Download Calicut University Latest 2020 Audit Courses Question Bank Environmental Studies Important Questions

Download UOC (University of Calicut) Audit Courses Question Bank Environmental Studies (Important Questions) Question Bank

???????????? 12 ???? ????World Environment Day (Answer : A)
???????? ???????? ???????????? a) 5th June ????b) 5th July ????c) 5th August ????d)5th September
???????????? 13 ???? ????The biggest award f or environmental activities in India is given in the name of an individual. In whose
name is it constituted? (Answer : C)
???????? ???????? ???????????? a) Lal Bahadur Shasthri ????b) Mor ar ji Desai ????c) Indir a Gandhi ????d)Kamar a j.
???????????? 14 ???? ????All f orms of water that comes down on Earth, including r ain, snow, hail etc. is known as _____________
(Answer : C)
???????? ???????? ???????????? a) Calcification ????b) Fixation ????c) Precipitation ????d)Accumulation
???????????? 15 ???? ????The ocean covers ________ percentage of Earth?s surf ace. (Answer : C)
???????? ???????? ???????????? a) 515 ????b) 0.61 ????c) 0.71 ????d)0.91
???????????? 16 ???? ????The portion of the earth and its environment which can support lif e is known as _________ (Answer : B)
???????? ???????? ???????????? a) Crust ????b) Biosphere ????c) Exosphere ????d)Atmosphere
???????????? 17 ???? ????What is troposphere? (Answer : C)
???????? ???????? ???????????? a) Portion of air ????b) Portion of water ????c) Lowest layer of atmosphere where we survive
????d)Portion of sky
???????????? 18 ???? ????The main energy source f or the environment is ________ (Answer : A)
???????? ???????? ???????????? a) Solar energy ????b) Chemical energy ????c) Bioelectric energy ????d)Electrical energy
???????????? 19 ???? ????What is UNCED? (Answer : C)
???????? ???????? ???????????? a) United Nations Conf erence on Education ????b) United Nations Conf erence on Environmental Day
????c) United Nations Conf erence on Environment and Development ????d)None of these.
???????????? 20 ???? ????Atmospheric humidity is measured by (Answer : C)
???????? ???????? ???????????? a) Auxanometer ????b) Photometer ????c) Hygrometer ????d)None
???????????? 21 ???? ????The area to which a species is biologically adapted to live is known (Answer : B)
???????? ???????? ???????????? a) Niche ????b) Habitat ????c) Succession ????d)Community
???????????? 22 ???? ????Study of inter-relationship between organisms and their environment is called (Answer : A)
???????? ???????? ???????????? a) Ecology ????b) Ecosystem ????c) Phytogeogr aphy ????d)Ethology
???????????? 23 ???? ????The term Ecology was coined by (Answer : B)
???????? ???????? ???????????? a) A.G.Tansley ????b) Earnst Haeckel ????c) Aristotle ????d)Linnaeus
???????????? 24 ???? ????An example of an abiotic component (Answer : B)
???????? ???????? ???????????? a) Plants ????b) Soil ????c) Animals ????d)Bacteria
???????????? 25 ???? ????The area to which a species is biologically adapted to live is known (Answer : B)
???????? ???????? ???????????? a) Niche ????b) Habitat ????c) Succession ????d)Community
???????????? 26 ???? ????The objective of environmental education is (Answer : D)
???????? ???????? ???????????? a) Raise consciousness about environmental education ????b) T o teach environmentally appropriate
behaviour ????c) Create an environmental ethic that f osters awareness about ecological inter-dependence of economics,
social and political ????d)All of the above
???????????? 27 ???? ????Which of the f ollowing is not influenced by human activities? (Answer : A)
???????? ???????? ???????????? a) Depletion of ground water ????b) Destruction of mangroves and wetlands ????c) Increased extinction
r ate of species ????d)None of the above
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???????????? 12 ???? ????World Environment Day (Answer : A)
???????? ???????? ???????????? a) 5th June ????b) 5th July ????c) 5th August ????d)5th September
???????????? 13 ???? ????The biggest award f or environmental activities in India is given in the name of an individual. In whose
name is it constituted? (Answer : C)
???????? ???????? ???????????? a) Lal Bahadur Shasthri ????b) Mor ar ji Desai ????c) Indir a Gandhi ????d)Kamar a j.
???????????? 14 ???? ????All f orms of water that comes down on Earth, including r ain, snow, hail etc. is known as _____________
(Answer : C)
???????? ???????? ???????????? a) Calcification ????b) Fixation ????c) Precipitation ????d)Accumulation
???????????? 15 ???? ????The ocean covers ________ percentage of Earth?s surf ace. (Answer : C)
???????? ???????? ???????????? a) 515 ????b) 0.61 ????c) 0.71 ????d)0.91
???????????? 16 ???? ????The portion of the earth and its environment which can support lif e is known as _________ (Answer : B)
???????? ???????? ???????????? a) Crust ????b) Biosphere ????c) Exosphere ????d)Atmosphere
???????????? 17 ???? ????What is troposphere? (Answer : C)
???????? ???????? ???????????? a) Portion of air ????b) Portion of water ????c) Lowest layer of atmosphere where we survive
????d)Portion of sky
???????????? 18 ???? ????The main energy source f or the environment is ________ (Answer : A)
???????? ???????? ???????????? a) Solar energy ????b) Chemical energy ????c) Bioelectric energy ????d)Electrical energy
???????????? 19 ???? ????What is UNCED? (Answer : C)
???????? ???????? ???????????? a) United Nations Conf erence on Education ????b) United Nations Conf erence on Environmental Day
????c) United Nations Conf erence on Environment and Development ????d)None of these.
???????????? 20 ???? ????Atmospheric humidity is measured by (Answer : C)
???????? ???????? ???????????? a) Auxanometer ????b) Photometer ????c) Hygrometer ????d)None
???????????? 21 ???? ????The area to which a species is biologically adapted to live is known (Answer : B)
???????? ???????? ???????????? a) Niche ????b) Habitat ????c) Succession ????d)Community
???????????? 22 ???? ????Study of inter-relationship between organisms and their environment is called (Answer : A)
???????? ???????? ???????????? a) Ecology ????b) Ecosystem ????c) Phytogeogr aphy ????d)Ethology
???????????? 23 ???? ????The term Ecology was coined by (Answer : B)
???????? ???????? ???????????? a) A.G.Tansley ????b) Earnst Haeckel ????c) Aristotle ????d)Linnaeus
???????????? 24 ???? ????An example of an abiotic component (Answer : B)
???????? ???????? ???????????? a) Plants ????b) Soil ????c) Animals ????d)Bacteria
???????????? 25 ???? ????The area to which a species is biologically adapted to live is known (Answer : B)
???????? ???????? ???????????? a) Niche ????b) Habitat ????c) Succession ????d)Community
???????????? 26 ???? ????The objective of environmental education is (Answer : D)
???????? ???????? ???????????? a) Raise consciousness about environmental education ????b) T o teach environmentally appropriate
behaviour ????c) Create an environmental ethic that f osters awareness about ecological inter-dependence of economics,
social and political ????d)All of the above
???????????? 27 ???? ????Which of the f ollowing is not influenced by human activities? (Answer : A)
???????? ???????? ???????????? a) Depletion of ground water ????b) Destruction of mangroves and wetlands ????c) Increased extinction
r ate of species ????d)None of the above
???????????? 28 ???? ????Environmental education is important only at (Answer : D)
???????? ???????? ???????????? a) Primary school stage ????b) Secondary school stage ????c) Collage stage ????d)All stages
???????????? 29 ???? ????Which of the f ollowing conceptual components of the environment are ef f ective tr ansporters of
matter? (Answer : A)
???????? ???????? ???????????? a) Atmosphere and hydrosphere ????b) (b) Atmosphere and lithosphere ????c) (c) Hydrosphere and
lithosphere ????d)(d) Lithosphere and biosphere
???????????? 30 ???? ????Biosphere is (Answer : B)
???????? ???????? ???????????? a) (a) The solid shell of inorganic materials on the surf ace of the Earth ????b) (b) The thin shell of
organic matter on the surf ace of earth comprising of all the living things ????c) (c) The sphere which occupies the
maximum volume of all the spheres ????d)(d) All of the above
???????????? 31 ???? ????Which of the f ollowing conceptual sphere of the environment is having the least stor age capacity f or
matter? (Answer : A)
???????? ???????? ???????????? a) (a) Atmosphere ????b) (b) Lithosphere ????c) (c) Hydrosphere ????d)(d) Biosphere
???????????? 32 ???? ????Which of the f ollowing is an example of impact of development activities on the Hydrosphere? (Answer
: D)
???????? ???????? ???????????? a) (a) Air pollution ????b) (b) Soil pollution ????c) (c) Soil erosion ????d)(d) Water pollution
???????????? 33 ???? ????Weather occurs in the Earths: (Answer : A)
???????? ???????? ???????????? a) (a) Troposhere ????b) (b) Mesophere ????c) (c) Ionosphere ????d)(d) Thermosphere
???????????? 34 ???? ????Biosphere is a term used to represent the: (Answer : C)
???????? ???????? ???????????? a) (a) Entire atmosphere consisting of troposphere, str atosphere, mesosphere, and thermosphere
????b) (b) Entire hydrosphere-representing the entire collection of water over the Earth as well as inside the Earth ????c) (c)
A small zone of Earth, where the lithosphere, hydrosphere, and atmosphere come in contact with one another ????d)(d)
Entire lithosphere-representing the solid Earth and its interior
???????????? 35 ???? ????The term ecology was introduced by: (Answer : A)
???????? ???????? ???????????? a) (a) Haeckel ????b) (b) Odum ????c) (c) Tansely ????d)(d) Ramdeo Mishr a
???????????? 36 ???? ????The study of inter actions between living and non-living organisms and environment is called (Answer :
B)
???????? ???????? ???????????? a) (a) Ecosystem ????b) (b) Ecology ????c) (c) Phyto-geogr aphy ????d)(d) Phytosociology
???????????? 37 ???? ????An ecosystem consist of (Answer : D)
???????? ???????? ???????????? a) (a) Green plants and animals ????b) (b) Green plants and decomposers ????c) (c) Producers and
consumers ????d)(d) Green plants, animals, decomposers and abiotic environment
???????????? 38 ???? ????The environment which has been modified by human activities is called (Answer : B)
???????? ???????? ???????????? a) (a) Natur al environment ????b) (b) Anthropogenic environment ????c) (c) Modem environment ????d)(d)
Urban environment
???????????? 39 ???? ????Which of the f ollowing statements is not true? (Answer : C)
???????? ???????? ???????????? a) (a) Inorganic nutrients are recycled in an ecosystem ????b) (b) Energy flows through the ecosystem
in the f orm of C-C bonds ????c) (c) Energy is recycled in an ecosystem ????d)(d) Respir ation process releases energy
???????????? 40 ???? ????Driving f orce in an ecosystem is (Answer : C)
???????? ???????? ???????????? a) (a) Plants ????b) (b) Producers ????c) (c) Solar energy ????d)(d) Biomass energy
???????????? 41 ???? ????Physical and chemical components of an ecosystem constitute (Answer : C)
???????? ???????? ???????????? a) (a) Biotic structure ????b) (b) Abioltic structure ????c) (c) Both of these ????d)(d) None of these
???????????? 42 ???? ????Which one of the f ollowing is an abiotic component of the ecosystem? (Answer : C)
???????? ???????? ???????????? a) (a) Bacteria ????b) (b) Plants ????c) (c) Humus ????d)(d) Fungi
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???????????? 12 ???? ????World Environment Day (Answer : A)
???????? ???????? ???????????? a) 5th June ????b) 5th July ????c) 5th August ????d)5th September
???????????? 13 ???? ????The biggest award f or environmental activities in India is given in the name of an individual. In whose
name is it constituted? (Answer : C)
???????? ???????? ???????????? a) Lal Bahadur Shasthri ????b) Mor ar ji Desai ????c) Indir a Gandhi ????d)Kamar a j.
???????????? 14 ???? ????All f orms of water that comes down on Earth, including r ain, snow, hail etc. is known as _____________
(Answer : C)
???????? ???????? ???????????? a) Calcification ????b) Fixation ????c) Precipitation ????d)Accumulation
???????????? 15 ???? ????The ocean covers ________ percentage of Earth?s surf ace. (Answer : C)
???????? ???????? ???????????? a) 515 ????b) 0.61 ????c) 0.71 ????d)0.91
???????????? 16 ???? ????The portion of the earth and its environment which can support lif e is known as _________ (Answer : B)
???????? ???????? ???????????? a) Crust ????b) Biosphere ????c) Exosphere ????d)Atmosphere
???????????? 17 ???? ????What is troposphere? (Answer : C)
???????? ???????? ???????????? a) Portion of air ????b) Portion of water ????c) Lowest layer of atmosphere where we survive
????d)Portion of sky
???????????? 18 ???? ????The main energy source f or the environment is ________ (Answer : A)
???????? ???????? ???????????? a) Solar energy ????b) Chemical energy ????c) Bioelectric energy ????d)Electrical energy
???????????? 19 ???? ????What is UNCED? (Answer : C)
???????? ???????? ???????????? a) United Nations Conf erence on Education ????b) United Nations Conf erence on Environmental Day
????c) United Nations Conf erence on Environment and Development ????d)None of these.
???????????? 20 ???? ????Atmospheric humidity is measured by (Answer : C)
???????? ???????? ???????????? a) Auxanometer ????b) Photometer ????c) Hygrometer ????d)None
???????????? 21 ???? ????The area to which a species is biologically adapted to live is known (Answer : B)
???????? ???????? ???????????? a) Niche ????b) Habitat ????c) Succession ????d)Community
???????????? 22 ???? ????Study of inter-relationship between organisms and their environment is called (Answer : A)
???????? ???????? ???????????? a) Ecology ????b) Ecosystem ????c) Phytogeogr aphy ????d)Ethology
???????????? 23 ???? ????The term Ecology was coined by (Answer : B)
???????? ???????? ???????????? a) A.G.Tansley ????b) Earnst Haeckel ????c) Aristotle ????d)Linnaeus
???????????? 24 ???? ????An example of an abiotic component (Answer : B)
???????? ???????? ???????????? a) Plants ????b) Soil ????c) Animals ????d)Bacteria
???????????? 25 ???? ????The area to which a species is biologically adapted to live is known (Answer : B)
???????? ???????? ???????????? a) Niche ????b) Habitat ????c) Succession ????d)Community
???????????? 26 ???? ????The objective of environmental education is (Answer : D)
???????? ???????? ???????????? a) Raise consciousness about environmental education ????b) T o teach environmentally appropriate
behaviour ????c) Create an environmental ethic that f osters awareness about ecological inter-dependence of economics,
social and political ????d)All of the above
???????????? 27 ???? ????Which of the f ollowing is not influenced by human activities? (Answer : A)
???????? ???????? ???????????? a) Depletion of ground water ????b) Destruction of mangroves and wetlands ????c) Increased extinction
r ate of species ????d)None of the above
???????????? 28 ???? ????Environmental education is important only at (Answer : D)
???????? ???????? ???????????? a) Primary school stage ????b) Secondary school stage ????c) Collage stage ????d)All stages
???????????? 29 ???? ????Which of the f ollowing conceptual components of the environment are ef f ective tr ansporters of
matter? (Answer : A)
???????? ???????? ???????????? a) Atmosphere and hydrosphere ????b) (b) Atmosphere and lithosphere ????c) (c) Hydrosphere and
lithosphere ????d)(d) Lithosphere and biosphere
???????????? 30 ???? ????Biosphere is (Answer : B)
???????? ???????? ???????????? a) (a) The solid shell of inorganic materials on the surf ace of the Earth ????b) (b) The thin shell of
organic matter on the surf ace of earth comprising of all the living things ????c) (c) The sphere which occupies the
maximum volume of all the spheres ????d)(d) All of the above
???????????? 31 ???? ????Which of the f ollowing conceptual sphere of the environment is having the least stor age capacity f or
matter? (Answer : A)
???????? ???????? ???????????? a) (a) Atmosphere ????b) (b) Lithosphere ????c) (c) Hydrosphere ????d)(d) Biosphere
???????????? 32 ???? ????Which of the f ollowing is an example of impact of development activities on the Hydrosphere? (Answer
: D)
???????? ???????? ???????????? a) (a) Air pollution ????b) (b) Soil pollution ????c) (c) Soil erosion ????d)(d) Water pollution
???????????? 33 ???? ????Weather occurs in the Earths: (Answer : A)
???????? ???????? ???????????? a) (a) Troposhere ????b) (b) Mesophere ????c) (c) Ionosphere ????d)(d) Thermosphere
???????????? 34 ???? ????Biosphere is a term used to represent the: (Answer : C)
???????? ???????? ???????????? a) (a) Entire atmosphere consisting of troposphere, str atosphere, mesosphere, and thermosphere
????b) (b) Entire hydrosphere-representing the entire collection of water over the Earth as well as inside the Earth ????c) (c)
A small zone of Earth, where the lithosphere, hydrosphere, and atmosphere come in contact with one another ????d)(d)
Entire lithosphere-representing the solid Earth and its interior
???????????? 35 ???? ????The term ecology was introduced by: (Answer : A)
???????? ???????? ???????????? a) (a) Haeckel ????b) (b) Odum ????c) (c) Tansely ????d)(d) Ramdeo Mishr a
???????????? 36 ???? ????The study of inter actions between living and non-living organisms and environment is called (Answer :
B)
???????? ???????? ???????????? a) (a) Ecosystem ????b) (b) Ecology ????c) (c) Phyto-geogr aphy ????d)(d) Phytosociology
???????????? 37 ???? ????An ecosystem consist of (Answer : D)
???????? ???????? ???????????? a) (a) Green plants and animals ????b) (b) Green plants and decomposers ????c) (c) Producers and
consumers ????d)(d) Green plants, animals, decomposers and abiotic environment
???????????? 38 ???? ????The environment which has been modified by human activities is called (Answer : B)
???????? ???????? ???????????? a) (a) Natur al environment ????b) (b) Anthropogenic environment ????c) (c) Modem environment ????d)(d)
Urban environment
???????????? 39 ???? ????Which of the f ollowing statements is not true? (Answer : C)
???????? ???????? ???????????? a) (a) Inorganic nutrients are recycled in an ecosystem ????b) (b) Energy flows through the ecosystem
in the f orm of C-C bonds ????c) (c) Energy is recycled in an ecosystem ????d)(d) Respir ation process releases energy
???????????? 40 ???? ????Driving f orce in an ecosystem is (Answer : C)
???????? ???????? ???????????? a) (a) Plants ????b) (b) Producers ????c) (c) Solar energy ????d)(d) Biomass energy
???????????? 41 ???? ????Physical and chemical components of an ecosystem constitute (Answer : C)
???????? ???????? ???????????? a) (a) Biotic structure ????b) (b) Abioltic structure ????c) (c) Both of these ????d)(d) None of these
???????????? 42 ???? ????Which one of the f ollowing is an abiotic component of the ecosystem? (Answer : C)
???????? ???????? ???????????? a) (a) Bacteria ????b) (b) Plants ????c) (c) Humus ????d)(d) Fungi
???????????? 43 ???? ????Which of the f ollowing is a possible producer in an ecosystem? (Answer : A)
???????? ???????? ???????????? a) (a) Plants ????b) (b) Animals ????c) (c) Human beings ????d)(d) Fish
???????????? 44 ???? ????The organisms which f eed on dead organisms and excreta of living organisms are known (Answer : A)
???????? ???????? ???????????? a) (a) Decomposers ????b) (b) Consumers ????c) (c) Producers ????d)(d) Carnivores
???????????? 45 ???? ????A trophic level ref ers to: (Answer : C)
???????? ???????? ???????????? a) (a) Area in the tropics ????b) (b) An organism?s portion in a f ood chain ????c) (c) An organism?s
position in an ecosystem ????d)(d) An organism?s position in a biome
???????????? 46 ???? ????In a f ood chain animals constitute the: (Answer : C)
???????? ???????? ???????????? a) (a) First trophic level ????b) (b) Second trophic level ????c) (c) Intermediate trophic level ????d)(d)
Ultimate trophic level
???????????? 47 ???? ????The f ood chain in which microorganisms breakdown dead producers is called: (Answer : D)
???????? ???????? ???????????? a) (a) Consumer f ood chain ????b) (b) Predator f ood chain ????c) (c) Par asitic f ood chain ????d)(d) Detritus
f ood chain
???????????? 48 ???? ????Food chain starts with (Answer : A)
???????? ???????? ???????????? a) (a) Producer ????b) (b) Herbivores ????c) (c) Carnivores ????d)(d) Omnivores
???????????? 49 ???? ????In a f ood chain, humans are (Answer : D)
???????? ???????? ???????????? a) (a) Secondary consumers ????b) (b) Primary consumer ????c) (c) Producers ????d)(d) Primary and
secondary consumers both
???????????? 50 ???? ????Which one is the correct f ood chain? (Answer : A)
???????? ???????? ???????????? a) (a) Phytoplankton ?? Zooplankton ?? Fish ????b) (b) Zooplankton ?? Phytoplankton ?? Fish ????c)
(c) Zooplankton ?? Protozoans ?? Fish ????d)(d) Gr ass ?? Fish ?? Zooplankton
???????????? 51 ???? ????A f ood web consists of (Answer : A)
???????? ???????? ???????????? a) (a) Interlocking f ood chains ????b) (b) Producers, consumers and decomposers ????c) (c) A portion of
a f ood chain ????d)(d) A set of similar consumers
???????????? 52 ???? ????Food webs are (Answer : C)
???????? ???????? ???????????? a) (a) One kind of f ood ????b) (b) Not related to f ood chains at all ????c) (c) Inter-connected arr angement
of f ood chains ????d)(d) Linear arr angement of f ood chains
???????????? 53 ???? ????Pyr amid of number is given by (Answer : C)
???????? ???????? ???????????? a) (a) Haeckel ????b) (b) Odum ????c) (c) Elton ????d)(d) Tansely
???????????? 54 ???? ????Which ecological pyr amid is always upright? (Answer : C)
???????? ???????? ???????????? a) (a) Pyr amid of number ????b) (b) Pyr amid of biomass ????c) (c) Pyr amid of energy ????d)(d) Pyr amid of
number and biomass
???????????? 55 ???? ????An ecological pyr amid ref ers to the (Answer : D)
???????? ???????? ???????????? a) (a) Pyr amid of energy ????b) (b) Pyr amid of number ????c) (c) Pyr amid of biomass ????d)(d) All of the
above
???????????? 56 ???? ????An ecosystem may not undergo changes because: (Answer : A)
???????? ???????? ???????????? a) (a) It is in a state of homeostasis ????b) (b) It has plants and animals both ????c) (c) It gets solar
energy continuously ????d)(d) The decomposers are present in it
???????????? 57 ???? ????Energy flow in an ecosystem is always: (Answer : A)
???????? ???????? ???????????? a) (a) Unidirectional ????b) (b) Cyclic ????c) (c) Reversible ????d)(d) Multi-directional
???????????? 58 ???? ????The primary producers in a f orest ecosystem are: (Answer : A)
???????? ???????? ???????????? a) (a) Chlorophyll containing trees and plants ????b) (b) Herbivores ????c) (c) Carnivores ????d)(d) Bacteria
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???????????? 12 ???? ????World Environment Day (Answer : A)
???????? ???????? ???????????? a) 5th June ????b) 5th July ????c) 5th August ????d)5th September
???????????? 13 ???? ????The biggest award f or environmental activities in India is given in the name of an individual. In whose
name is it constituted? (Answer : C)
???????? ???????? ???????????? a) Lal Bahadur Shasthri ????b) Mor ar ji Desai ????c) Indir a Gandhi ????d)Kamar a j.
???????????? 14 ???? ????All f orms of water that comes down on Earth, including r ain, snow, hail etc. is known as _____________
(Answer : C)
???????? ???????? ???????????? a) Calcification ????b) Fixation ????c) Precipitation ????d)Accumulation
???????????? 15 ???? ????The ocean covers ________ percentage of Earth?s surf ace. (Answer : C)
???????? ???????? ???????????? a) 515 ????b) 0.61 ????c) 0.71 ????d)0.91
???????????? 16 ???? ????The portion of the earth and its environment which can support lif e is known as _________ (Answer : B)
???????? ???????? ???????????? a) Crust ????b) Biosphere ????c) Exosphere ????d)Atmosphere
???????????? 17 ???? ????What is troposphere? (Answer : C)
???????? ???????? ???????????? a) Portion of air ????b) Portion of water ????c) Lowest layer of atmosphere where we survive
????d)Portion of sky
???????????? 18 ???? ????The main energy source f or the environment is ________ (Answer : A)
???????? ???????? ???????????? a) Solar energy ????b) Chemical energy ????c) Bioelectric energy ????d)Electrical energy
???????????? 19 ???? ????What is UNCED? (Answer : C)
???????? ???????? ???????????? a) United Nations Conf erence on Education ????b) United Nations Conf erence on Environmental Day
????c) United Nations Conf erence on Environment and Development ????d)None of these.
???????????? 20 ???? ????Atmospheric humidity is measured by (Answer : C)
???????? ???????? ???????????? a) Auxanometer ????b) Photometer ????c) Hygrometer ????d)None
???????????? 21 ???? ????The area to which a species is biologically adapted to live is known (Answer : B)
???????? ???????? ???????????? a) Niche ????b) Habitat ????c) Succession ????d)Community
???????????? 22 ???? ????Study of inter-relationship between organisms and their environment is called (Answer : A)
???????? ???????? ???????????? a) Ecology ????b) Ecosystem ????c) Phytogeogr aphy ????d)Ethology
???????????? 23 ???? ????The term Ecology was coined by (Answer : B)
???????? ???????? ???????????? a) A.G.Tansley ????b) Earnst Haeckel ????c) Aristotle ????d)Linnaeus
???????????? 24 ???? ????An example of an abiotic component (Answer : B)
???????? ???????? ???????????? a) Plants ????b) Soil ????c) Animals ????d)Bacteria
???????????? 25 ???? ????The area to which a species is biologically adapted to live is known (Answer : B)
???????? ???????? ???????????? a) Niche ????b) Habitat ????c) Succession ????d)Community
???????????? 26 ???? ????The objective of environmental education is (Answer : D)
???????? ???????? ???????????? a) Raise consciousness about environmental education ????b) T o teach environmentally appropriate
behaviour ????c) Create an environmental ethic that f osters awareness about ecological inter-dependence of economics,
social and political ????d)All of the above
???????????? 27 ???? ????Which of the f ollowing is not influenced by human activities? (Answer : A)
???????? ???????? ???????????? a) Depletion of ground water ????b) Destruction of mangroves and wetlands ????c) Increased extinction
r ate of species ????d)None of the above
???????????? 28 ???? ????Environmental education is important only at (Answer : D)
???????? ???????? ???????????? a) Primary school stage ????b) Secondary school stage ????c) Collage stage ????d)All stages
???????????? 29 ???? ????Which of the f ollowing conceptual components of the environment are ef f ective tr ansporters of
matter? (Answer : A)
???????? ???????? ???????????? a) Atmosphere and hydrosphere ????b) (b) Atmosphere and lithosphere ????c) (c) Hydrosphere and
lithosphere ????d)(d) Lithosphere and biosphere
???????????? 30 ???? ????Biosphere is (Answer : B)
???????? ???????? ???????????? a) (a) The solid shell of inorganic materials on the surf ace of the Earth ????b) (b) The thin shell of
organic matter on the surf ace of earth comprising of all the living things ????c) (c) The sphere which occupies the
maximum volume of all the spheres ????d)(d) All of the above
???????????? 31 ???? ????Which of the f ollowing conceptual sphere of the environment is having the least stor age capacity f or
matter? (Answer : A)
???????? ???????? ???????????? a) (a) Atmosphere ????b) (b) Lithosphere ????c) (c) Hydrosphere ????d)(d) Biosphere
???????????? 32 ???? ????Which of the f ollowing is an example of impact of development activities on the Hydrosphere? (Answer
: D)
???????? ???????? ???????????? a) (a) Air pollution ????b) (b) Soil pollution ????c) (c) Soil erosion ????d)(d) Water pollution
???????????? 33 ???? ????Weather occurs in the Earths: (Answer : A)
???????? ???????? ???????????? a) (a) Troposhere ????b) (b) Mesophere ????c) (c) Ionosphere ????d)(d) Thermosphere
???????????? 34 ???? ????Biosphere is a term used to represent the: (Answer : C)
???????? ???????? ???????????? a) (a) Entire atmosphere consisting of troposphere, str atosphere, mesosphere, and thermosphere
????b) (b) Entire hydrosphere-representing the entire collection of water over the Earth as well as inside the Earth ????c) (c)
A small zone of Earth, where the lithosphere, hydrosphere, and atmosphere come in contact with one another ????d)(d)
Entire lithosphere-representing the solid Earth and its interior
???????????? 35 ???? ????The term ecology was introduced by: (Answer : A)
???????? ???????? ???????????? a) (a) Haeckel ????b) (b) Odum ????c) (c) Tansely ????d)(d) Ramdeo Mishr a
???????????? 36 ???? ????The study of inter actions between living and non-living organisms and environment is called (Answer :
B)
???????? ???????? ???????????? a) (a) Ecosystem ????b) (b) Ecology ????c) (c) Phyto-geogr aphy ????d)(d) Phytosociology
???????????? 37 ???? ????An ecosystem consist of (Answer : D)
???????? ???????? ???????????? a) (a) Green plants and animals ????b) (b) Green plants and decomposers ????c) (c) Producers and
consumers ????d)(d) Green plants, animals, decomposers and abiotic environment
???????????? 38 ???? ????The environment which has been modified by human activities is called (Answer : B)
???????? ???????? ???????????? a) (a) Natur al environment ????b) (b) Anthropogenic environment ????c) (c) Modem environment ????d)(d)
Urban environment
???????????? 39 ???? ????Which of the f ollowing statements is not true? (Answer : C)
???????? ???????? ???????????? a) (a) Inorganic nutrients are recycled in an ecosystem ????b) (b) Energy flows through the ecosystem
in the f orm of C-C bonds ????c) (c) Energy is recycled in an ecosystem ????d)(d) Respir ation process releases energy
???????????? 40 ???? ????Driving f orce in an ecosystem is (Answer : C)
???????? ???????? ???????????? a) (a) Plants ????b) (b) Producers ????c) (c) Solar energy ????d)(d) Biomass energy
???????????? 41 ???? ????Physical and chemical components of an ecosystem constitute (Answer : C)
???????? ???????? ???????????? a) (a) Biotic structure ????b) (b) Abioltic structure ????c) (c) Both of these ????d)(d) None of these
???????????? 42 ???? ????Which one of the f ollowing is an abiotic component of the ecosystem? (Answer : C)
???????? ???????? ???????????? a) (a) Bacteria ????b) (b) Plants ????c) (c) Humus ????d)(d) Fungi
???????????? 43 ???? ????Which of the f ollowing is a possible producer in an ecosystem? (Answer : A)
???????? ???????? ???????????? a) (a) Plants ????b) (b) Animals ????c) (c) Human beings ????d)(d) Fish
???????????? 44 ???? ????The organisms which f eed on dead organisms and excreta of living organisms are known (Answer : A)
???????? ???????? ???????????? a) (a) Decomposers ????b) (b) Consumers ????c) (c) Producers ????d)(d) Carnivores
???????????? 45 ???? ????A trophic level ref ers to: (Answer : C)
???????? ???????? ???????????? a) (a) Area in the tropics ????b) (b) An organism?s portion in a f ood chain ????c) (c) An organism?s
position in an ecosystem ????d)(d) An organism?s position in a biome
???????????? 46 ???? ????In a f ood chain animals constitute the: (Answer : C)
???????? ???????? ???????????? a) (a) First trophic level ????b) (b) Second trophic level ????c) (c) Intermediate trophic level ????d)(d)
Ultimate trophic level
???????????? 47 ???? ????The f ood chain in which microorganisms breakdown dead producers is called: (Answer : D)
???????? ???????? ???????????? a) (a) Consumer f ood chain ????b) (b) Predator f ood chain ????c) (c) Par asitic f ood chain ????d)(d) Detritus
f ood chain
???????????? 48 ???? ????Food chain starts with (Answer : A)
???????? ???????? ???????????? a) (a) Producer ????b) (b) Herbivores ????c) (c) Carnivores ????d)(d) Omnivores
???????????? 49 ???? ????In a f ood chain, humans are (Answer : D)
???????? ???????? ???????????? a) (a) Secondary consumers ????b) (b) Primary consumer ????c) (c) Producers ????d)(d) Primary and
secondary consumers both
???????????? 50 ???? ????Which one is the correct f ood chain? (Answer : A)
???????? ???????? ???????????? a) (a) Phytoplankton ?? Zooplankton ?? Fish ????b) (b) Zooplankton ?? Phytoplankton ?? Fish ????c)
(c) Zooplankton ?? Protozoans ?? Fish ????d)(d) Gr ass ?? Fish ?? Zooplankton
???????????? 51 ???? ????A f ood web consists of (Answer : A)
???????? ???????? ???????????? a) (a) Interlocking f ood chains ????b) (b) Producers, consumers and decomposers ????c) (c) A portion of
a f ood chain ????d)(d) A set of similar consumers
???????????? 52 ???? ????Food webs are (Answer : C)
???????? ???????? ???????????? a) (a) One kind of f ood ????b) (b) Not related to f ood chains at all ????c) (c) Inter-connected arr angement
of f ood chains ????d)(d) Linear arr angement of f ood chains
???????????? 53 ???? ????Pyr amid of number is given by (Answer : C)
???????? ???????? ???????????? a) (a) Haeckel ????b) (b) Odum ????c) (c) Elton ????d)(d) Tansely
???????????? 54 ???? ????Which ecological pyr amid is always upright? (Answer : C)
???????? ???????? ???????????? a) (a) Pyr amid of number ????b) (b) Pyr amid of biomass ????c) (c) Pyr amid of energy ????d)(d) Pyr amid of
number and biomass
???????????? 55 ???? ????An ecological pyr amid ref ers to the (Answer : D)
???????? ???????? ???????????? a) (a) Pyr amid of energy ????b) (b) Pyr amid of number ????c) (c) Pyr amid of biomass ????d)(d) All of the
above
???????????? 56 ???? ????An ecosystem may not undergo changes because: (Answer : A)
???????? ???????? ???????????? a) (a) It is in a state of homeostasis ????b) (b) It has plants and animals both ????c) (c) It gets solar
energy continuously ????d)(d) The decomposers are present in it
???????????? 57 ???? ????Energy flow in an ecosystem is always: (Answer : A)
???????? ???????? ???????????? a) (a) Unidirectional ????b) (b) Cyclic ????c) (c) Reversible ????d)(d) Multi-directional
???????????? 58 ???? ????The primary producers in a f orest ecosystem are: (Answer : A)
???????? ???????? ???????????? a) (a) Chlorophyll containing trees and plants ????b) (b) Herbivores ????c) (c) Carnivores ????d)(d) Bacteria
and other micro-organism
???????????? 59 ???? ????The desert among the f ollowing which is not a cold desert is: (Answer : D)
???????? ???????? ???????????? a) (a) Golbi desert ????b) (b) Patagonian desert ????c) (c) Atacama desert ????d)(d) Ma java desert
???????????? 60 ???? ????The darker zone in lakes where light penetr ation is negligible is called the: (Answer : D)
???????? ???????? ???????????? a) (a) Euphotic zone ????b) (b) Littor al zone ????c) (c) Limnetic zone ????d)(d) Benthic zone
???????????? 61 ???? ????The zone of a sea lying over the continental shelf is known as the: (Answer : B)
???????? ???????? ???????????? a) (a) Bathyl zone ????b) (b) Neritic zone ????c) (c) Abyssal zone ????d)(d) Littor al zone
???????????? 62 ???? ????Which one of the f ollowing is not a fresh water biome? (Answer : A)
???????? ???????? ???????????? a) (a) Lotic ????b) (b) Lentic ????c) (c) Spings ????d)(d) Deep sea
???????????? 63 ???? ????Tendency of pollutants to become concentr ated in successive trophic levels is known as: (Answer : A)
???????? ???????? ???????????? a) (a) Biomagnification ????b) (b) Biorhythm ????c) (c) Bioremediation ????d)(d) Biopir acy
???????????? 64 ???? ????Eutrophication is: (Answer : B)
???????? ???????? ???????????? a) (a) An improved water quality status of lakes ????b) (b) The result of accumulation of plant nutrients
in water bodies ????c) (c) A process in the carbon cycle ????d)(d) A water purification technique
???????????? 65 ???? ????Increase in f auna and decrease in flor a would be harmf ul due to increase in: (Answer : B)
???????? ???????? ???????????? a) (a) Diseases ????b) (b) CO ????c) (c) O2 ????d)(d) Radioactive pollution
???????????? 66 ???? ????The largest reservoir of nitrogen an our planet is: (Answer : B)
???????? ???????? ???????????? a) (a) Ocean ????b) (b) Atmosphere ????c) (c) Biosphere ????d)(d) Fossil f uels
???????????? 67 ???? ????Overgr azing results in: (Answer : A)
???????? ???????? ???????????? a) (a) Soil erosion ????b) (b) Retention of usef ul species ????c) (c) Productive soils ????d)(d) All of the
above
???????????? 68 ???? ????In the world, the economy of the India is: (Answer : D)
???????? ???????? ???????????? a) (a) Largest ????b) (b) Third largest ????c) (c) Second largest ????d)(d) Fourth largest
???????????? 69 ???? ????In services output, India is: (Answer : C)
???????? ???????? ???????????? a) 10 ????b) 12 ????c) 15 ????d)4
???????????? 70 ???? ?????Smog? is a mixture of (Answer : A)
???????? ???????? ???????????? a) a) Smoke and Fog ????b) (b) Snow and Fog ????c) ( c) Snow and Dust ????d)(d) Sulphur Dioxide and
Fog
???????????? 71 ???? ????A liquid f uel that was f ormed from the ancient remains of sea plants and animals is (Answer : B)
???????? ???????? ???????????? a) Natur al gasb ????b) Petroleumc ????c) Geothermal energyd ????d)Coal
???????????? 72 ???? ????A poisonous gas given out of vehicles exhaust is (Answer : A)
a) Carbon monoxideb ????b) Ethanec ????c) Methaned ????d)Carbon dioxide
???????????? 73 ???? ????A product of photosynthesis is (Answer : C)
???????? ???????? ???????????? a) Carbon dioxideb ????b) Waterc ????c) Oxygend ????d)Chlorophyll
???????????? 74 ???? ????Atmosphere consists of 79 percent Nitrogen and 21 percent Oxygen by (Answer : B)
???????? ???????? ???????????? a) Volumeb ????b) Weightc ????c) Densityd ????d)All of these
???????????? 75 ???? ????Biogas contains mainly (Answer : B)
???????? ???????? ???????????? a) Carbon dioxideb ????b) Methanec ????c) Butaned ????d)Propane
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???????????? 12 ???? ????World Environment Day (Answer : A)
???????? ???????? ???????????? a) 5th June ????b) 5th July ????c) 5th August ????d)5th September
???????????? 13 ???? ????The biggest award f or environmental activities in India is given in the name of an individual. In whose
name is it constituted? (Answer : C)
???????? ???????? ???????????? a) Lal Bahadur Shasthri ????b) Mor ar ji Desai ????c) Indir a Gandhi ????d)Kamar a j.
???????????? 14 ???? ????All f orms of water that comes down on Earth, including r ain, snow, hail etc. is known as _____________
(Answer : C)
???????? ???????? ???????????? a) Calcification ????b) Fixation ????c) Precipitation ????d)Accumulation
???????????? 15 ???? ????The ocean covers ________ percentage of Earth?s surf ace. (Answer : C)
???????? ???????? ???????????? a) 515 ????b) 0.61 ????c) 0.71 ????d)0.91
???????????? 16 ???? ????The portion of the earth and its environment which can support lif e is known as _________ (Answer : B)
???????? ???????? ???????????? a) Crust ????b) Biosphere ????c) Exosphere ????d)Atmosphere
???????????? 17 ???? ????What is troposphere? (Answer : C)
???????? ???????? ???????????? a) Portion of air ????b) Portion of water ????c) Lowest layer of atmosphere where we survive
????d)Portion of sky
???????????? 18 ???? ????The main energy source f or the environment is ________ (Answer : A)
???????? ???????? ???????????? a) Solar energy ????b) Chemical energy ????c) Bioelectric energy ????d)Electrical energy
???????????? 19 ???? ????What is UNCED? (Answer : C)
???????? ???????? ???????????? a) United Nations Conf erence on Education ????b) United Nations Conf erence on Environmental Day
????c) United Nations Conf erence on Environment and Development ????d)None of these.
???????????? 20 ???? ????Atmospheric humidity is measured by (Answer : C)
???????? ???????? ???????????? a) Auxanometer ????b) Photometer ????c) Hygrometer ????d)None
???????????? 21 ???? ????The area to which a species is biologically adapted to live is known (Answer : B)
???????? ???????? ???????????? a) Niche ????b) Habitat ????c) Succession ????d)Community
???????????? 22 ???? ????Study of inter-relationship between organisms and their environment is called (Answer : A)
???????? ???????? ???????????? a) Ecology ????b) Ecosystem ????c) Phytogeogr aphy ????d)Ethology
???????????? 23 ???? ????The term Ecology was coined by (Answer : B)
???????? ???????? ???????????? a) A.G.Tansley ????b) Earnst Haeckel ????c) Aristotle ????d)Linnaeus
???????????? 24 ???? ????An example of an abiotic component (Answer : B)
???????? ???????? ???????????? a) Plants ????b) Soil ????c) Animals ????d)Bacteria
???????????? 25 ???? ????The area to which a species is biologically adapted to live is known (Answer : B)
???????? ???????? ???????????? a) Niche ????b) Habitat ????c) Succession ????d)Community
???????????? 26 ???? ????The objective of environmental education is (Answer : D)
???????? ???????? ???????????? a) Raise consciousness about environmental education ????b) T o teach environmentally appropriate
behaviour ????c) Create an environmental ethic that f osters awareness about ecological inter-dependence of economics,
social and political ????d)All of the above
???????????? 27 ???? ????Which of the f ollowing is not influenced by human activities? (Answer : A)
???????? ???????? ???????????? a) Depletion of ground water ????b) Destruction of mangroves and wetlands ????c) Increased extinction
r ate of species ????d)None of the above
???????????? 28 ???? ????Environmental education is important only at (Answer : D)
???????? ???????? ???????????? a) Primary school stage ????b) Secondary school stage ????c) Collage stage ????d)All stages
???????????? 29 ???? ????Which of the f ollowing conceptual components of the environment are ef f ective tr ansporters of
matter? (Answer : A)
???????? ???????? ???????????? a) Atmosphere and hydrosphere ????b) (b) Atmosphere and lithosphere ????c) (c) Hydrosphere and
lithosphere ????d)(d) Lithosphere and biosphere
???????????? 30 ???? ????Biosphere is (Answer : B)
???????? ???????? ???????????? a) (a) The solid shell of inorganic materials on the surf ace of the Earth ????b) (b) The thin shell of
organic matter on the surf ace of earth comprising of all the living things ????c) (c) The sphere which occupies the
maximum volume of all the spheres ????d)(d) All of the above
???????????? 31 ???? ????Which of the f ollowing conceptual sphere of the environment is having the least stor age capacity f or
matter? (Answer : A)
???????? ???????? ???????????? a) (a) Atmosphere ????b) (b) Lithosphere ????c) (c) Hydrosphere ????d)(d) Biosphere
???????????? 32 ???? ????Which of the f ollowing is an example of impact of development activities on the Hydrosphere? (Answer
: D)
???????? ???????? ???????????? a) (a) Air pollution ????b) (b) Soil pollution ????c) (c) Soil erosion ????d)(d) Water pollution
???????????? 33 ???? ????Weather occurs in the Earths: (Answer : A)
???????? ???????? ???????????? a) (a) Troposhere ????b) (b) Mesophere ????c) (c) Ionosphere ????d)(d) Thermosphere
???????????? 34 ???? ????Biosphere is a term used to represent the: (Answer : C)
???????? ???????? ???????????? a) (a) Entire atmosphere consisting of troposphere, str atosphere, mesosphere, and thermosphere
????b) (b) Entire hydrosphere-representing the entire collection of water over the Earth as well as inside the Earth ????c) (c)
A small zone of Earth, where the lithosphere, hydrosphere, and atmosphere come in contact with one another ????d)(d)
Entire lithosphere-representing the solid Earth and its interior
???????????? 35 ???? ????The term ecology was introduced by: (Answer : A)
???????? ???????? ???????????? a) (a) Haeckel ????b) (b) Odum ????c) (c) Tansely ????d)(d) Ramdeo Mishr a
???????????? 36 ???? ????The study of inter actions between living and non-living organisms and environment is called (Answer :
B)
???????? ???????? ???????????? a) (a) Ecosystem ????b) (b) Ecology ????c) (c) Phyto-geogr aphy ????d)(d) Phytosociology
???????????? 37 ???? ????An ecosystem consist of (Answer : D)
???????? ???????? ???????????? a) (a) Green plants and animals ????b) (b) Green plants and decomposers ????c) (c) Producers and
consumers ????d)(d) Green plants, animals, decomposers and abiotic environment
???????????? 38 ???? ????The environment which has been modified by human activities is called (Answer : B)
???????? ???????? ???????????? a) (a) Natur al environment ????b) (b) Anthropogenic environment ????c) (c) Modem environment ????d)(d)
Urban environment
???????????? 39 ???? ????Which of the f ollowing statements is not true? (Answer : C)
???????? ???????? ???????????? a) (a) Inorganic nutrients are recycled in an ecosystem ????b) (b) Energy flows through the ecosystem
in the f orm of C-C bonds ????c) (c) Energy is recycled in an ecosystem ????d)(d) Respir ation process releases energy
???????????? 40 ???? ????Driving f orce in an ecosystem is (Answer : C)
???????? ???????? ???????????? a) (a) Plants ????b) (b) Producers ????c) (c) Solar energy ????d)(d) Biomass energy
???????????? 41 ???? ????Physical and chemical components of an ecosystem constitute (Answer : C)
???????? ???????? ???????????? a) (a) Biotic structure ????b) (b) Abioltic structure ????c) (c) Both of these ????d)(d) None of these
???????????? 42 ???? ????Which one of the f ollowing is an abiotic component of the ecosystem? (Answer : C)
???????? ???????? ???????????? a) (a) Bacteria ????b) (b) Plants ????c) (c) Humus ????d)(d) Fungi
???????????? 43 ???? ????Which of the f ollowing is a possible producer in an ecosystem? (Answer : A)
???????? ???????? ???????????? a) (a) Plants ????b) (b) Animals ????c) (c) Human beings ????d)(d) Fish
???????????? 44 ???? ????The organisms which f eed on dead organisms and excreta of living organisms are known (Answer : A)
???????? ???????? ???????????? a) (a) Decomposers ????b) (b) Consumers ????c) (c) Producers ????d)(d) Carnivores
???????????? 45 ???? ????A trophic level ref ers to: (Answer : C)
???????? ???????? ???????????? a) (a) Area in the tropics ????b) (b) An organism?s portion in a f ood chain ????c) (c) An organism?s
position in an ecosystem ????d)(d) An organism?s position in a biome
???????????? 46 ???? ????In a f ood chain animals constitute the: (Answer : C)
???????? ???????? ???????????? a) (a) First trophic level ????b) (b) Second trophic level ????c) (c) Intermediate trophic level ????d)(d)
Ultimate trophic level
???????????? 47 ???? ????The f ood chain in which microorganisms breakdown dead producers is called: (Answer : D)
???????? ???????? ???????????? a) (a) Consumer f ood chain ????b) (b) Predator f ood chain ????c) (c) Par asitic f ood chain ????d)(d) Detritus
f ood chain
???????????? 48 ???? ????Food chain starts with (Answer : A)
???????? ???????? ???????????? a) (a) Producer ????b) (b) Herbivores ????c) (c) Carnivores ????d)(d) Omnivores
???????????? 49 ???? ????In a f ood chain, humans are (Answer : D)
???????? ???????? ???????????? a) (a) Secondary consumers ????b) (b) Primary consumer ????c) (c) Producers ????d)(d) Primary and
secondary consumers both
???????????? 50 ???? ????Which one is the correct f ood chain? (Answer : A)
???????? ???????? ???????????? a) (a) Phytoplankton ?? Zooplankton ?? Fish ????b) (b) Zooplankton ?? Phytoplankton ?? Fish ????c)
(c) Zooplankton ?? Protozoans ?? Fish ????d)(d) Gr ass ?? Fish ?? Zooplankton
???????????? 51 ???? ????A f ood web consists of (Answer : A)
???????? ???????? ???????????? a) (a) Interlocking f ood chains ????b) (b) Producers, consumers and decomposers ????c) (c) A portion of
a f ood chain ????d)(d) A set of similar consumers
???????????? 52 ???? ????Food webs are (Answer : C)
???????? ???????? ???????????? a) (a) One kind of f ood ????b) (b) Not related to f ood chains at all ????c) (c) Inter-connected arr angement
of f ood chains ????d)(d) Linear arr angement of f ood chains
???????????? 53 ???? ????Pyr amid of number is given by (Answer : C)
???????? ???????? ???????????? a) (a) Haeckel ????b) (b) Odum ????c) (c) Elton ????d)(d) Tansely
???????????? 54 ???? ????Which ecological pyr amid is always upright? (Answer : C)
???????? ???????? ???????????? a) (a) Pyr amid of number ????b) (b) Pyr amid of biomass ????c) (c) Pyr amid of energy ????d)(d) Pyr amid of
number and biomass
???????????? 55 ???? ????An ecological pyr amid ref ers to the (Answer : D)
???????? ???????? ???????????? a) (a) Pyr amid of energy ????b) (b) Pyr amid of number ????c) (c) Pyr amid of biomass ????d)(d) All of the
above
???????????? 56 ???? ????An ecosystem may not undergo changes because: (Answer : A)
???????? ???????? ???????????? a) (a) It is in a state of homeostasis ????b) (b) It has plants and animals both ????c) (c) It gets solar
energy continuously ????d)(d) The decomposers are present in it
???????????? 57 ???? ????Energy flow in an ecosystem is always: (Answer : A)
???????? ???????? ???????????? a) (a) Unidirectional ????b) (b) Cyclic ????c) (c) Reversible ????d)(d) Multi-directional
???????????? 58 ???? ????The primary producers in a f orest ecosystem are: (Answer : A)
???????? ???????? ???????????? a) (a) Chlorophyll containing trees and plants ????b) (b) Herbivores ????c) (c) Carnivores ????d)(d) Bacteria
and other micro-organism
???????????? 59 ???? ????The desert among the f ollowing which is not a cold desert is: (Answer : D)
???????? ???????? ???????????? a) (a) Golbi desert ????b) (b) Patagonian desert ????c) (c) Atacama desert ????d)(d) Ma java desert
???????????? 60 ???? ????The darker zone in lakes where light penetr ation is negligible is called the: (Answer : D)
???????? ???????? ???????????? a) (a) Euphotic zone ????b) (b) Littor al zone ????c) (c) Limnetic zone ????d)(d) Benthic zone
???????????? 61 ???? ????The zone of a sea lying over the continental shelf is known as the: (Answer : B)
???????? ???????? ???????????? a) (a) Bathyl zone ????b) (b) Neritic zone ????c) (c) Abyssal zone ????d)(d) Littor al zone
???????????? 62 ???? ????Which one of the f ollowing is not a fresh water biome? (Answer : A)
???????? ???????? ???????????? a) (a) Lotic ????b) (b) Lentic ????c) (c) Spings ????d)(d) Deep sea
???????????? 63 ???? ????Tendency of pollutants to become concentr ated in successive trophic levels is known as: (Answer : A)
???????? ???????? ???????????? a) (a) Biomagnification ????b) (b) Biorhythm ????c) (c) Bioremediation ????d)(d) Biopir acy
???????????? 64 ???? ????Eutrophication is: (Answer : B)
???????? ???????? ???????????? a) (a) An improved water quality status of lakes ????b) (b) The result of accumulation of plant nutrients
in water bodies ????c) (c) A process in the carbon cycle ????d)(d) A water purification technique
???????????? 65 ???? ????Increase in f auna and decrease in flor a would be harmf ul due to increase in: (Answer : B)
???????? ???????? ???????????? a) (a) Diseases ????b) (b) CO ????c) (c) O2 ????d)(d) Radioactive pollution
???????????? 66 ???? ????The largest reservoir of nitrogen an our planet is: (Answer : B)
???????? ???????? ???????????? a) (a) Ocean ????b) (b) Atmosphere ????c) (c) Biosphere ????d)(d) Fossil f uels
???????????? 67 ???? ????Overgr azing results in: (Answer : A)
???????? ???????? ???????????? a) (a) Soil erosion ????b) (b) Retention of usef ul species ????c) (c) Productive soils ????d)(d) All of the
above
???????????? 68 ???? ????In the world, the economy of the India is: (Answer : D)
???????? ???????? ???????????? a) (a) Largest ????b) (b) Third largest ????c) (c) Second largest ????d)(d) Fourth largest
???????????? 69 ???? ????In services output, India is: (Answer : C)
???????? ???????? ???????????? a) 10 ????b) 12 ????c) 15 ????d)4
???????????? 70 ???? ?????Smog? is a mixture of (Answer : A)
???????? ???????? ???????????? a) a) Smoke and Fog ????b) (b) Snow and Fog ????c) ( c) Snow and Dust ????d)(d) Sulphur Dioxide and
Fog
???????????? 71 ???? ????A liquid f uel that was f ormed from the ancient remains of sea plants and animals is (Answer : B)
???????? ???????? ???????????? a) Natur al gasb ????b) Petroleumc ????c) Geothermal energyd ????d)Coal
???????????? 72 ???? ????A poisonous gas given out of vehicles exhaust is (Answer : A)
a) Carbon monoxideb ????b) Ethanec ????c) Methaned ????d)Carbon dioxide
???????????? 73 ???? ????A product of photosynthesis is (Answer : C)
???????? ???????? ???????????? a) Carbon dioxideb ????b) Waterc ????c) Oxygend ????d)Chlorophyll
???????????? 74 ???? ????Atmosphere consists of 79 percent Nitrogen and 21 percent Oxygen by (Answer : B)
???????? ???????? ???????????? a) Volumeb ????b) Weightc ????c) Densityd ????d)All of these
???????????? 75 ???? ????Biogas contains mainly (Answer : B)
???????? ???????? ???????????? a) Carbon dioxideb ????b) Methanec ????c) Butaned ????d)Propane
???????????? 76 ???? ????Carbon dioxide constitutes about 0.03% of the atmosphere (Answer : A)
???????? ???????? ???????????? a) By volume(b ????b) By weight(c ????c) By mass(d ????d)None of these
???????????? 77 ???? ????Development activities on the hydrosphere cause (Answer : C)
???????? ???????? ???????????? a) Air pollutionb ????b) Soil pollutionc ????c) Water pollutiond ????d)Soil erosion
???????????? 78 ???? ????Energy flow in an ecosystem is (Answer : C)
???????? ???????? ???????????? a) Bidirectionalb ????b) Unidirectionalc ????c) Multidirectionald ????d)All rounds
???????????? 79 ???? ????Energy from the heat inside the earth is (Answer : B)
???????? ???????? ???????????? a) a Natur al gas ????b) Geothermalc ????c) Petroleumd ????d)Terr athermal
???????????? 80 ???? ????Energy in the r ays from the sun is called (Answer : A)
???????? ???????? ???????????? a) Solar energyb ????b) Wind energyc ????c) Tidal energyd ????d)Water energy
???????????? 81 ???? ????Environment is the lif e support system that includes (Answer : D)
???????? ???????? ???????????? a) Airb ????b) Waterc ????c) Landd ????d)All of the above
???????????? 82 ???? ????Extensive planting of trees to increase cover is called (Answer : A)
???????? ???????? ???????????? a) Af f orestation(b ????b) Agrof orestation(c ????c) Def orestation(d ????d)Social f orestry
???????????? 83 ???? ????Extensive planting of trees to increase f orest cover is called (Answer : A)
???????? ???????? ???????????? a) Af f orestation, b ????b) Agrof orestry, c ????c) Def orestation, d ????d)Social f orestry
???????????? 84 ???? ????Forest and wild lif e are (Answer : A)
???????? ???????? ???????????? a) Renewable resource(b ????b) Non-renewable resources (c ????c) Inexhaustible resources (d ????d)None
of these
???????????? 85 ???? ????Forests prevent soil erosion by binding soil particles in their (Answer : B)
???????? ???????? ???????????? a) Leaves(b ????b) Roots(c ????c) Buds(d ????d)Stems
???????????? 86 ???? ????Formation of hole in Ozone is maximum over (Answer : C)
???????? ???????? ???????????? a) Indiab ????b) Europec ????c) Antarcticad ????d)Africa
???????????? 87 ???? ????Fossil f uel and metallic miner als are: (Answer : C)
???????? ???????? ???????????? a) Renewable resource (b ????b) Inexhaustible resources (c ????c) Non-renewable resources (d ????d)None
of these
???????????? 88 ???? ????Green house ef f ect is linked to (Answer : C)
???????? ???????? ???????????? a) Nitrogen oxidesb ????b) Sulphur dioxidesc ????c) Carbon dioxidesd ????d)Carbon monoxides
???????????? 89 ???? ????In our country the percentage of land under f orest is about: (Answer : B)
???????? ???????? ???????????? a) 20%(b ????b) 19%(c ????c) 25%(d ????d)30%
???????????? 90 ???? ????In respect of water crisis, there have been conflicts/disputes between two countries, or states of the
same country. Which of the f ollowing has never been the case of water conflict? (Answer : D)
???????? ???????? ???????????? a) Cauvery water dispute between Tamil Nadu and Karnataka (b ????b) Yamuna-Betwa dispute between
U.P. and M.P. (c ????c) Sutlej Yamuna Link (SYL ????d)canal dispute between Pun jab and Haryana (d
???????????? 91 ???? ????Instrumentation technology used to locate suitable places f or mining (Answer : C)
???????? ???????? ???????????? a) a) Microscope ????b) b) Salinometer ????c) c) GIS ????d)d) camer a tr ap
???????????? 92 ???? ????Kaveri water dispute is in between: (Answer : D)
???????? ???????? ???????????? a) India and Pakistan (b ????b) Pun jab and Haryana (c ????c) Uttar Pr adesh and Madhya Pr adesh (d
????d)Karnataka and Tamil Nadu
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???????????? 12 ???? ????World Environment Day (Answer : A)
???????? ???????? ???????????? a) 5th June ????b) 5th July ????c) 5th August ????d)5th September
???????????? 13 ???? ????The biggest award f or environmental activities in India is given in the name of an individual. In whose
name is it constituted? (Answer : C)
???????? ???????? ???????????? a) Lal Bahadur Shasthri ????b) Mor ar ji Desai ????c) Indir a Gandhi ????d)Kamar a j.
???????????? 14 ???? ????All f orms of water that comes down on Earth, including r ain, snow, hail etc. is known as _____________
(Answer : C)
???????? ???????? ???????????? a) Calcification ????b) Fixation ????c) Precipitation ????d)Accumulation
???????????? 15 ???? ????The ocean covers ________ percentage of Earth?s surf ace. (Answer : C)
???????? ???????? ???????????? a) 515 ????b) 0.61 ????c) 0.71 ????d)0.91
???????????? 16 ???? ????The portion of the earth and its environment which can support lif e is known as _________ (Answer : B)
???????? ???????? ???????????? a) Crust ????b) Biosphere ????c) Exosphere ????d)Atmosphere
???????????? 17 ???? ????What is troposphere? (Answer : C)
???????? ???????? ???????????? a) Portion of air ????b) Portion of water ????c) Lowest layer of atmosphere where we survive
????d)Portion of sky
???????????? 18 ???? ????The main energy source f or the environment is ________ (Answer : A)
???????? ???????? ???????????? a) Solar energy ????b) Chemical energy ????c) Bioelectric energy ????d)Electrical energy
???????????? 19 ???? ????What is UNCED? (Answer : C)
???????? ???????? ???????????? a) United Nations Conf erence on Education ????b) United Nations Conf erence on Environmental Day
????c) United Nations Conf erence on Environment and Development ????d)None of these.
???????????? 20 ???? ????Atmospheric humidity is measured by (Answer : C)
???????? ???????? ???????????? a) Auxanometer ????b) Photometer ????c) Hygrometer ????d)None
???????????? 21 ???? ????The area to which a species is biologically adapted to live is known (Answer : B)
???????? ???????? ???????????? a) Niche ????b) Habitat ????c) Succession ????d)Community
???????????? 22 ???? ????Study of inter-relationship between organisms and their environment is called (Answer : A)
???????? ???????? ???????????? a) Ecology ????b) Ecosystem ????c) Phytogeogr aphy ????d)Ethology
???????????? 23 ???? ????The term Ecology was coined by (Answer : B)
???????? ???????? ???????????? a) A.G.Tansley ????b) Earnst Haeckel ????c) Aristotle ????d)Linnaeus
???????????? 24 ???? ????An example of an abiotic component (Answer : B)
???????? ???????? ???????????? a) Plants ????b) Soil ????c) Animals ????d)Bacteria
???????????? 25 ???? ????The area to which a species is biologically adapted to live is known (Answer : B)
???????? ???????? ???????????? a) Niche ????b) Habitat ????c) Succession ????d)Community
???????????? 26 ???? ????The objective of environmental education is (Answer : D)
???????? ???????? ???????????? a) Raise consciousness about environmental education ????b) T o teach environmentally appropriate
behaviour ????c) Create an environmental ethic that f osters awareness about ecological inter-dependence of economics,
social and political ????d)All of the above
???????????? 27 ???? ????Which of the f ollowing is not influenced by human activities? (Answer : A)
???????? ???????? ???????????? a) Depletion of ground water ????b) Destruction of mangroves and wetlands ????c) Increased extinction
r ate of species ????d)None of the above
???????????? 28 ???? ????Environmental education is important only at (Answer : D)
???????? ???????? ???????????? a) Primary school stage ????b) Secondary school stage ????c) Collage stage ????d)All stages
???????????? 29 ???? ????Which of the f ollowing conceptual components of the environment are ef f ective tr ansporters of
matter? (Answer : A)
???????? ???????? ???????????? a) Atmosphere and hydrosphere ????b) (b) Atmosphere and lithosphere ????c) (c) Hydrosphere and
lithosphere ????d)(d) Lithosphere and biosphere
???????????? 30 ???? ????Biosphere is (Answer : B)
???????? ???????? ???????????? a) (a) The solid shell of inorganic materials on the surf ace of the Earth ????b) (b) The thin shell of
organic matter on the surf ace of earth comprising of all the living things ????c) (c) The sphere which occupies the
maximum volume of all the spheres ????d)(d) All of the above
???????????? 31 ???? ????Which of the f ollowing conceptual sphere of the environment is having the least stor age capacity f or
matter? (Answer : A)
???????? ???????? ???????????? a) (a) Atmosphere ????b) (b) Lithosphere ????c) (c) Hydrosphere ????d)(d) Biosphere
???????????? 32 ???? ????Which of the f ollowing is an example of impact of development activities on the Hydrosphere? (Answer
: D)
???????? ???????? ???????????? a) (a) Air pollution ????b) (b) Soil pollution ????c) (c) Soil erosion ????d)(d) Water pollution
???????????? 33 ???? ????Weather occurs in the Earths: (Answer : A)
???????? ???????? ???????????? a) (a) Troposhere ????b) (b) Mesophere ????c) (c) Ionosphere ????d)(d) Thermosphere
???????????? 34 ???? ????Biosphere is a term used to represent the: (Answer : C)
???????? ???????? ???????????? a) (a) Entire atmosphere consisting of troposphere, str atosphere, mesosphere, and thermosphere
????b) (b) Entire hydrosphere-representing the entire collection of water over the Earth as well as inside the Earth ????c) (c)
A small zone of Earth, where the lithosphere, hydrosphere, and atmosphere come in contact with one another ????d)(d)
Entire lithosphere-representing the solid Earth and its interior
???????????? 35 ???? ????The term ecology was introduced by: (Answer : A)
???????? ???????? ???????????? a) (a) Haeckel ????b) (b) Odum ????c) (c) Tansely ????d)(d) Ramdeo Mishr a
???????????? 36 ???? ????The study of inter actions between living and non-living organisms and environment is called (Answer :
B)
???????? ???????? ???????????? a) (a) Ecosystem ????b) (b) Ecology ????c) (c) Phyto-geogr aphy ????d)(d) Phytosociology
???????????? 37 ???? ????An ecosystem consist of (Answer : D)
???????? ???????? ???????????? a) (a) Green plants and animals ????b) (b) Green plants and decomposers ????c) (c) Producers and
consumers ????d)(d) Green plants, animals, decomposers and abiotic environment
???????????? 38 ???? ????The environment which has been modified by human activities is called (Answer : B)
???????? ???????? ???????????? a) (a) Natur al environment ????b) (b) Anthropogenic environment ????c) (c) Modem environment ????d)(d)
Urban environment
???????????? 39 ???? ????Which of the f ollowing statements is not true? (Answer : C)
???????? ???????? ???????????? a) (a) Inorganic nutrients are recycled in an ecosystem ????b) (b) Energy flows through the ecosystem
in the f orm of C-C bonds ????c) (c) Energy is recycled in an ecosystem ????d)(d) Respir ation process releases energy
???????????? 40 ???? ????Driving f orce in an ecosystem is (Answer : C)
???????? ???????? ???????????? a) (a) Plants ????b) (b) Producers ????c) (c) Solar energy ????d)(d) Biomass energy
???????????? 41 ???? ????Physical and chemical components of an ecosystem constitute (Answer : C)
???????? ???????? ???????????? a) (a) Biotic structure ????b) (b) Abioltic structure ????c) (c) Both of these ????d)(d) None of these
???????????? 42 ???? ????Which one of the f ollowing is an abiotic component of the ecosystem? (Answer : C)
???????? ???????? ???????????? a) (a) Bacteria ????b) (b) Plants ????c) (c) Humus ????d)(d) Fungi
???????????? 43 ???? ????Which of the f ollowing is a possible producer in an ecosystem? (Answer : A)
???????? ???????? ???????????? a) (a) Plants ????b) (b) Animals ????c) (c) Human beings ????d)(d) Fish
???????????? 44 ???? ????The organisms which f eed on dead organisms and excreta of living organisms are known (Answer : A)
???????? ???????? ???????????? a) (a) Decomposers ????b) (b) Consumers ????c) (c) Producers ????d)(d) Carnivores
???????????? 45 ???? ????A trophic level ref ers to: (Answer : C)
???????? ???????? ???????????? a) (a) Area in the tropics ????b) (b) An organism?s portion in a f ood chain ????c) (c) An organism?s
position in an ecosystem ????d)(d) An organism?s position in a biome
???????????? 46 ???? ????In a f ood chain animals constitute the: (Answer : C)
???????? ???????? ???????????? a) (a) First trophic level ????b) (b) Second trophic level ????c) (c) Intermediate trophic level ????d)(d)
Ultimate trophic level
???????????? 47 ???? ????The f ood chain in which microorganisms breakdown dead producers is called: (Answer : D)
???????? ???????? ???????????? a) (a) Consumer f ood chain ????b) (b) Predator f ood chain ????c) (c) Par asitic f ood chain ????d)(d) Detritus
f ood chain
???????????? 48 ???? ????Food chain starts with (Answer : A)
???????? ???????? ???????????? a) (a) Producer ????b) (b) Herbivores ????c) (c) Carnivores ????d)(d) Omnivores
???????????? 49 ???? ????In a f ood chain, humans are (Answer : D)
???????? ???????? ???????????? a) (a) Secondary consumers ????b) (b) Primary consumer ????c) (c) Producers ????d)(d) Primary and
secondary consumers both
???????????? 50 ???? ????Which one is the correct f ood chain? (Answer : A)
???????? ???????? ???????????? a) (a) Phytoplankton ?? Zooplankton ?? Fish ????b) (b) Zooplankton ?? Phytoplankton ?? Fish ????c)
(c) Zooplankton ?? Protozoans ?? Fish ????d)(d) Gr ass ?? Fish ?? Zooplankton
???????????? 51 ???? ????A f ood web consists of (Answer : A)
???????? ???????? ???????????? a) (a) Interlocking f ood chains ????b) (b) Producers, consumers and decomposers ????c) (c) A portion of
a f ood chain ????d)(d) A set of similar consumers
???????????? 52 ???? ????Food webs are (Answer : C)
???????? ???????? ???????????? a) (a) One kind of f ood ????b) (b) Not related to f ood chains at all ????c) (c) Inter-connected arr angement
of f ood chains ????d)(d) Linear arr angement of f ood chains
???????????? 53 ???? ????Pyr amid of number is given by (Answer : C)
???????? ???????? ???????????? a) (a) Haeckel ????b) (b) Odum ????c) (c) Elton ????d)(d) Tansely
???????????? 54 ???? ????Which ecological pyr amid is always upright? (Answer : C)
???????? ???????? ???????????? a) (a) Pyr amid of number ????b) (b) Pyr amid of biomass ????c) (c) Pyr amid of energy ????d)(d) Pyr amid of
number and biomass
???????????? 55 ???? ????An ecological pyr amid ref ers to the (Answer : D)
???????? ???????? ???????????? a) (a) Pyr amid of energy ????b) (b) Pyr amid of number ????c) (c) Pyr amid of biomass ????d)(d) All of the
above
???????????? 56 ???? ????An ecosystem may not undergo changes because: (Answer : A)
???????? ???????? ???????????? a) (a) It is in a state of homeostasis ????b) (b) It has plants and animals both ????c) (c) It gets solar
energy continuously ????d)(d) The decomposers are present in it
???????????? 57 ???? ????Energy flow in an ecosystem is always: (Answer : A)
???????? ???????? ???????????? a) (a) Unidirectional ????b) (b) Cyclic ????c) (c) Reversible ????d)(d) Multi-directional
???????????? 58 ???? ????The primary producers in a f orest ecosystem are: (Answer : A)
???????? ???????? ???????????? a) (a) Chlorophyll containing trees and plants ????b) (b) Herbivores ????c) (c) Carnivores ????d)(d) Bacteria
and other micro-organism
???????????? 59 ???? ????The desert among the f ollowing which is not a cold desert is: (Answer : D)
???????? ???????? ???????????? a) (a) Golbi desert ????b) (b) Patagonian desert ????c) (c) Atacama desert ????d)(d) Ma java desert
???????????? 60 ???? ????The darker zone in lakes where light penetr ation is negligible is called the: (Answer : D)
???????? ???????? ???????????? a) (a) Euphotic zone ????b) (b) Littor al zone ????c) (c) Limnetic zone ????d)(d) Benthic zone
???????????? 61 ???? ????The zone of a sea lying over the continental shelf is known as the: (Answer : B)
???????? ???????? ???????????? a) (a) Bathyl zone ????b) (b) Neritic zone ????c) (c) Abyssal zone ????d)(d) Littor al zone
???????????? 62 ???? ????Which one of the f ollowing is not a fresh water biome? (Answer : A)
???????? ???????? ???????????? a) (a) Lotic ????b) (b) Lentic ????c) (c) Spings ????d)(d) Deep sea
???????????? 63 ???? ????Tendency of pollutants to become concentr ated in successive trophic levels is known as: (Answer : A)
???????? ???????? ???????????? a) (a) Biomagnification ????b) (b) Biorhythm ????c) (c) Bioremediation ????d)(d) Biopir acy
???????????? 64 ???? ????Eutrophication is: (Answer : B)
???????? ???????? ???????????? a) (a) An improved water quality status of lakes ????b) (b) The result of accumulation of plant nutrients
in water bodies ????c) (c) A process in the carbon cycle ????d)(d) A water purification technique
???????????? 65 ???? ????Increase in f auna and decrease in flor a would be harmf ul due to increase in: (Answer : B)
???????? ???????? ???????????? a) (a) Diseases ????b) (b) CO ????c) (c) O2 ????d)(d) Radioactive pollution
???????????? 66 ???? ????The largest reservoir of nitrogen an our planet is: (Answer : B)
???????? ???????? ???????????? a) (a) Ocean ????b) (b) Atmosphere ????c) (c) Biosphere ????d)(d) Fossil f uels
???????????? 67 ???? ????Overgr azing results in: (Answer : A)
???????? ???????? ???????????? a) (a) Soil erosion ????b) (b) Retention of usef ul species ????c) (c) Productive soils ????d)(d) All of the
above
???????????? 68 ???? ????In the world, the economy of the India is: (Answer : D)
???????? ???????? ???????????? a) (a) Largest ????b) (b) Third largest ????c) (c) Second largest ????d)(d) Fourth largest
???????????? 69 ???? ????In services output, India is: (Answer : C)
???????? ???????? ???????????? a) 10 ????b) 12 ????c) 15 ????d)4
???????????? 70 ???? ?????Smog? is a mixture of (Answer : A)
???????? ???????? ???????????? a) a) Smoke and Fog ????b) (b) Snow and Fog ????c) ( c) Snow and Dust ????d)(d) Sulphur Dioxide and
Fog
???????????? 71 ???? ????A liquid f uel that was f ormed from the ancient remains of sea plants and animals is (Answer : B)
???????? ???????? ???????????? a) Natur al gasb ????b) Petroleumc ????c) Geothermal energyd ????d)Coal
???????????? 72 ???? ????A poisonous gas given out of vehicles exhaust is (Answer : A)
a) Carbon monoxideb ????b) Ethanec ????c) Methaned ????d)Carbon dioxide
???????????? 73 ???? ????A product of photosynthesis is (Answer : C)
???????? ???????? ???????????? a) Carbon dioxideb ????b) Waterc ????c) Oxygend ????d)Chlorophyll
???????????? 74 ???? ????Atmosphere consists of 79 percent Nitrogen and 21 percent Oxygen by (Answer : B)
???????? ???????? ???????????? a) Volumeb ????b) Weightc ????c) Densityd ????d)All of these
???????????? 75 ???? ????Biogas contains mainly (Answer : B)
???????? ???????? ???????????? a) Carbon dioxideb ????b) Methanec ????c) Butaned ????d)Propane
???????????? 76 ???? ????Carbon dioxide constitutes about 0.03% of the atmosphere (Answer : A)
???????? ???????? ???????????? a) By volume(b ????b) By weight(c ????c) By mass(d ????d)None of these
???????????? 77 ???? ????Development activities on the hydrosphere cause (Answer : C)
???????? ???????? ???????????? a) Air pollutionb ????b) Soil pollutionc ????c) Water pollutiond ????d)Soil erosion
???????????? 78 ???? ????Energy flow in an ecosystem is (Answer : C)
???????? ???????? ???????????? a) Bidirectionalb ????b) Unidirectionalc ????c) Multidirectionald ????d)All rounds
???????????? 79 ???? ????Energy from the heat inside the earth is (Answer : B)
???????? ???????? ???????????? a) a Natur al gas ????b) Geothermalc ????c) Petroleumd ????d)Terr athermal
???????????? 80 ???? ????Energy in the r ays from the sun is called (Answer : A)
???????? ???????? ???????????? a) Solar energyb ????b) Wind energyc ????c) Tidal energyd ????d)Water energy
???????????? 81 ???? ????Environment is the lif e support system that includes (Answer : D)
???????? ???????? ???????????? a) Airb ????b) Waterc ????c) Landd ????d)All of the above
???????????? 82 ???? ????Extensive planting of trees to increase cover is called (Answer : A)
???????? ???????? ???????????? a) Af f orestation(b ????b) Agrof orestation(c ????c) Def orestation(d ????d)Social f orestry
???????????? 83 ???? ????Extensive planting of trees to increase f orest cover is called (Answer : A)
???????? ???????? ???????????? a) Af f orestation, b ????b) Agrof orestry, c ????c) Def orestation, d ????d)Social f orestry
???????????? 84 ???? ????Forest and wild lif e are (Answer : A)
???????? ???????? ???????????? a) Renewable resource(b ????b) Non-renewable resources (c ????c) Inexhaustible resources (d ????d)None
of these
???????????? 85 ???? ????Forests prevent soil erosion by binding soil particles in their (Answer : B)
???????? ???????? ???????????? a) Leaves(b ????b) Roots(c ????c) Buds(d ????d)Stems
???????????? 86 ???? ????Formation of hole in Ozone is maximum over (Answer : C)
???????? ???????? ???????????? a) Indiab ????b) Europec ????c) Antarcticad ????d)Africa
???????????? 87 ???? ????Fossil f uel and metallic miner als are: (Answer : C)
???????? ???????? ???????????? a) Renewable resource (b ????b) Inexhaustible resources (c ????c) Non-renewable resources (d ????d)None
of these
???????????? 88 ???? ????Green house ef f ect is linked to (Answer : C)
???????? ???????? ???????????? a) Nitrogen oxidesb ????b) Sulphur dioxidesc ????c) Carbon dioxidesd ????d)Carbon monoxides
???????????? 89 ???? ????In our country the percentage of land under f orest is about: (Answer : B)
???????? ???????? ???????????? a) 20%(b ????b) 19%(c ????c) 25%(d ????d)30%
???????????? 90 ???? ????In respect of water crisis, there have been conflicts/disputes between two countries, or states of the
same country. Which of the f ollowing has never been the case of water conflict? (Answer : D)
???????? ???????? ???????????? a) Cauvery water dispute between Tamil Nadu and Karnataka (b ????b) Yamuna-Betwa dispute between
U.P. and M.P. (c ????c) Sutlej Yamuna Link (SYL ????d)canal dispute between Pun jab and Haryana (d
???????????? 91 ???? ????Instrumentation technology used to locate suitable places f or mining (Answer : C)
???????? ???????? ???????????? a) a) Microscope ????b) b) Salinometer ????c) c) GIS ????d)d) camer a tr ap
???????????? 92 ???? ????Kaveri water dispute is in between: (Answer : D)
???????? ???????? ???????????? a) India and Pakistan (b ????b) Pun jab and Haryana (c ????c) Uttar Pr adesh and Madhya Pr adesh (d
????d)Karnataka and Tamil Nadu
???????????? 93 ???? ????Khetri (Ra jasthan) is f amous f or: (Answer : B)
???????? ???????? ???????????? a) Coal mines(b ????b) Copper mines(c ????c) Gr anite stone(d ????d)Marble stone
???????????? 94 ???? ????Main source of acid r ain is (Answer : A)
???????? ???????? ???????????? a) Sulphur dioxideb ????b) Nitrogenc ????c) Carbon dioxided ????d)Carbon monoxide
???????????? 95 ???? ????Ma jor consumer of wood from f orest is ___________ (Answer : B)
???????? ???????? ???????????? a) Thermal Power Plant ????b) Paper Industry ????c) Chemistry Industry ????d)none
???????????? 96 ???? ????Moisture in the air is known as (Answer : D)
???????? ???????? ???????????? a) a) Water ????b) (b) Fog ????c) ( c) Snow ????d)(d) Humidity
???????????? 97 ???? ????Name the country which virtually closed cod fishery in the 1990?s due to depletion of fish reserves
(Answer : A)
???????? ???????? ???????????? a) a) Canada ????b) b) Argentina ????c) c) Italy ????d)d) India
???????????? 98 ???? ????Name the financial agency which hesistate to support the Sardar Sarovar Pro ject in India in 1993 a result
of the demands of local people threatened with the loss of their livelihoods and homes in the submergence area.
(Answer : B)
???????? ???????? ???????????? a) a) Swiss bank ????b) b) World Bank ????c) c) Bank of India ????d)d) International Monetary Fund
???????????? 99 ???? ????Nitrogen constitutes about 78% of the atmosphere (Answer : C)
???????? ???????? ???????????? a) By weight(b ????b) By mass(c ????c) By volume(d ????d)None of these
???????????? 100 ???? ????Noise is measured by sound meter and the unit is (Answer : C)
???????? ???????? ???????????? a) Hertzb ????b) Joulec ????c) Decibeld ????d)Seconds
???????????? 101 ???? ????One of India?s serious environmental problems is f orest degr adation. What is the main cause of f orest
degr adation? (Answer : A)
???????? ???????? ???????????? a) timber extr action ????b) honey extr action ????c) high altitude ????d)Low Rainf all
???????????? 102 ???? ????Ozone day is observed on (Answer : B)
???????? ???????? ???????????? a) 3rd Januaryb ????b) 16th Septemberc ????c) 10th Novemberd ????d)26th March
???????????? 103 ???? ????Ozone Umbrella is located in which layer of atmosphere (Answer : B)
???????? ???????? ???????????? a) a) Troposphere ????b) (b) Str atosphere ????c) (c) Mesosphere ????d)(d) Ionosphere
???????????? 104 ???? ????Peeling of Ozone umbrella, which protects us from UV r ays, is caused by (Answer : B)
???????? ???????? ???????????? a) Carbon monoxideb ????b) CFCsc ????c) Coal burningd ????d)Methane
???????????? 105 ???? ????Soil erosion removes surf ace soil which contains (Answer : A)
???????? ???????? ???????????? a) Organic matterb ????b) Plant nutrientsc ????c) Both a and bd ????d)none of the above
???????????? 106 ???? ????Sustainable development means (Answer : C)
???????? ???????? ???????????? a) a. meeting present needs without compromising on f uture needs ????b) b. progress of human beings
????c) c. balance between human needs and the ability of earth to provide the resources ????d)d. all of the above
???????????? 107 ???? ????The adverse ef f ect of modern agriculture is (Answer : B)
???????? ???????? ???????????? a) Water pollutionb ????b) Soil degr adationc ????c) Water loggingd ????d)All of the above
???????????? 108 ???? ????The f ossil f uel that is derived from the dead remains of plants that grew some 250 million years ago is
(Answer : C)
???????? ???????? ???????????? a) Petroleumb ????b) Natur al gasc ????c) Coald ????d)LPG
???????????? 109 ???? ????The impact of construction of dams (Answer : D)
???????? ???????? ???????????? a) Submerged f orest b ????b) Loss of wild lif e habitat c ????c) Damages downstream ecosystem d ????d)All
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???????????? 12 ???? ????World Environment Day (Answer : A)
???????? ???????? ???????????? a) 5th June ????b) 5th July ????c) 5th August ????d)5th September
???????????? 13 ???? ????The biggest award f or environmental activities in India is given in the name of an individual. In whose
name is it constituted? (Answer : C)
???????? ???????? ???????????? a) Lal Bahadur Shasthri ????b) Mor ar ji Desai ????c) Indir a Gandhi ????d)Kamar a j.
???????????? 14 ???? ????All f orms of water that comes down on Earth, including r ain, snow, hail etc. is known as _____________
(Answer : C)
???????? ???????? ???????????? a) Calcification ????b) Fixation ????c) Precipitation ????d)Accumulation
???????????? 15 ???? ????The ocean covers ________ percentage of Earth?s surf ace. (Answer : C)
???????? ???????? ???????????? a) 515 ????b) 0.61 ????c) 0.71 ????d)0.91
???????????? 16 ???? ????The portion of the earth and its environment which can support lif e is known as _________ (Answer : B)
???????? ???????? ???????????? a) Crust ????b) Biosphere ????c) Exosphere ????d)Atmosphere
???????????? 17 ???? ????What is troposphere? (Answer : C)
???????? ???????? ???????????? a) Portion of air ????b) Portion of water ????c) Lowest layer of atmosphere where we survive
????d)Portion of sky
???????????? 18 ???? ????The main energy source f or the environment is ________ (Answer : A)
???????? ???????? ???????????? a) Solar energy ????b) Chemical energy ????c) Bioelectric energy ????d)Electrical energy
???????????? 19 ???? ????What is UNCED? (Answer : C)
???????? ???????? ???????????? a) United Nations Conf erence on Education ????b) United Nations Conf erence on Environmental Day
????c) United Nations Conf erence on Environment and Development ????d)None of these.
???????????? 20 ???? ????Atmospheric humidity is measured by (Answer : C)
???????? ???????? ???????????? a) Auxanometer ????b) Photometer ????c) Hygrometer ????d)None
???????????? 21 ???? ????The area to which a species is biologically adapted to live is known (Answer : B)
???????? ???????? ???????????? a) Niche ????b) Habitat ????c) Succession ????d)Community
???????????? 22 ???? ????Study of inter-relationship between organisms and their environment is called (Answer : A)
???????? ???????? ???????????? a) Ecology ????b) Ecosystem ????c) Phytogeogr aphy ????d)Ethology
???????????? 23 ???? ????The term Ecology was coined by (Answer : B)
???????? ???????? ???????????? a) A.G.Tansley ????b) Earnst Haeckel ????c) Aristotle ????d)Linnaeus
???????????? 24 ???? ????An example of an abiotic component (Answer : B)
???????? ???????? ???????????? a) Plants ????b) Soil ????c) Animals ????d)Bacteria
???????????? 25 ???? ????The area to which a species is biologically adapted to live is known (Answer : B)
???????? ???????? ???????????? a) Niche ????b) Habitat ????c) Succession ????d)Community
???????????? 26 ???? ????The objective of environmental education is (Answer : D)
???????? ???????? ???????????? a) Raise consciousness about environmental education ????b) T o teach environmentally appropriate
behaviour ????c) Create an environmental ethic that f osters awareness about ecological inter-dependence of economics,
social and political ????d)All of the above
???????????? 27 ???? ????Which of the f ollowing is not influenced by human activities? (Answer : A)
???????? ???????? ???????????? a) Depletion of ground water ????b) Destruction of mangroves and wetlands ????c) Increased extinction
r ate of species ????d)None of the above
???????????? 28 ???? ????Environmental education is important only at (Answer : D)
???????? ???????? ???????????? a) Primary school stage ????b) Secondary school stage ????c) Collage stage ????d)All stages
???????????? 29 ???? ????Which of the f ollowing conceptual components of the environment are ef f ective tr ansporters of
matter? (Answer : A)
???????? ???????? ???????????? a) Atmosphere and hydrosphere ????b) (b) Atmosphere and lithosphere ????c) (c) Hydrosphere and
lithosphere ????d)(d) Lithosphere and biosphere
???????????? 30 ???? ????Biosphere is (Answer : B)
???????? ???????? ???????????? a) (a) The solid shell of inorganic materials on the surf ace of the Earth ????b) (b) The thin shell of
organic matter on the surf ace of earth comprising of all the living things ????c) (c) The sphere which occupies the
maximum volume of all the spheres ????d)(d) All of the above
???????????? 31 ???? ????Which of the f ollowing conceptual sphere of the environment is having the least stor age capacity f or
matter? (Answer : A)
???????? ???????? ???????????? a) (a) Atmosphere ????b) (b) Lithosphere ????c) (c) Hydrosphere ????d)(d) Biosphere
???????????? 32 ???? ????Which of the f ollowing is an example of impact of development activities on the Hydrosphere? (Answer
: D)
???????? ???????? ???????????? a) (a) Air pollution ????b) (b) Soil pollution ????c) (c) Soil erosion ????d)(d) Water pollution
???????????? 33 ???? ????Weather occurs in the Earths: (Answer : A)
???????? ???????? ???????????? a) (a) Troposhere ????b) (b) Mesophere ????c) (c) Ionosphere ????d)(d) Thermosphere
???????????? 34 ???? ????Biosphere is a term used to represent the: (Answer : C)
???????? ???????? ???????????? a) (a) Entire atmosphere consisting of troposphere, str atosphere, mesosphere, and thermosphere
????b) (b) Entire hydrosphere-representing the entire collection of water over the Earth as well as inside the Earth ????c) (c)
A small zone of Earth, where the lithosphere, hydrosphere, and atmosphere come in contact with one another ????d)(d)
Entire lithosphere-representing the solid Earth and its interior
???????????? 35 ???? ????The term ecology was introduced by: (Answer : A)
???????? ???????? ???????????? a) (a) Haeckel ????b) (b) Odum ????c) (c) Tansely ????d)(d) Ramdeo Mishr a
???????????? 36 ???? ????The study of inter actions between living and non-living organisms and environment is called (Answer :
B)
???????? ???????? ???????????? a) (a) Ecosystem ????b) (b) Ecology ????c) (c) Phyto-geogr aphy ????d)(d) Phytosociology
???????????? 37 ???? ????An ecosystem consist of (Answer : D)
???????? ???????? ???????????? a) (a) Green plants and animals ????b) (b) Green plants and decomposers ????c) (c) Producers and
consumers ????d)(d) Green plants, animals, decomposers and abiotic environment
???????????? 38 ???? ????The environment which has been modified by human activities is called (Answer : B)
???????? ???????? ???????????? a) (a) Natur al environment ????b) (b) Anthropogenic environment ????c) (c) Modem environment ????d)(d)
Urban environment
???????????? 39 ???? ????Which of the f ollowing statements is not true? (Answer : C)
???????? ???????? ???????????? a) (a) Inorganic nutrients are recycled in an ecosystem ????b) (b) Energy flows through the ecosystem
in the f orm of C-C bonds ????c) (c) Energy is recycled in an ecosystem ????d)(d) Respir ation process releases energy
???????????? 40 ???? ????Driving f orce in an ecosystem is (Answer : C)
???????? ???????? ???????????? a) (a) Plants ????b) (b) Producers ????c) (c) Solar energy ????d)(d) Biomass energy
???????????? 41 ???? ????Physical and chemical components of an ecosystem constitute (Answer : C)
???????? ???????? ???????????? a) (a) Biotic structure ????b) (b) Abioltic structure ????c) (c) Both of these ????d)(d) None of these
???????????? 42 ???? ????Which one of the f ollowing is an abiotic component of the ecosystem? (Answer : C)
???????? ???????? ???????????? a) (a) Bacteria ????b) (b) Plants ????c) (c) Humus ????d)(d) Fungi
???????????? 43 ???? ????Which of the f ollowing is a possible producer in an ecosystem? (Answer : A)
???????? ???????? ???????????? a) (a) Plants ????b) (b) Animals ????c) (c) Human beings ????d)(d) Fish
???????????? 44 ???? ????The organisms which f eed on dead organisms and excreta of living organisms are known (Answer : A)
???????? ???????? ???????????? a) (a) Decomposers ????b) (b) Consumers ????c) (c) Producers ????d)(d) Carnivores
???????????? 45 ???? ????A trophic level ref ers to: (Answer : C)
???????? ???????? ???????????? a) (a) Area in the tropics ????b) (b) An organism?s portion in a f ood chain ????c) (c) An organism?s
position in an ecosystem ????d)(d) An organism?s position in a biome
???????????? 46 ???? ????In a f ood chain animals constitute the: (Answer : C)
???????? ???????? ???????????? a) (a) First trophic level ????b) (b) Second trophic level ????c) (c) Intermediate trophic level ????d)(d)
Ultimate trophic level
???????????? 47 ???? ????The f ood chain in which microorganisms breakdown dead producers is called: (Answer : D)
???????? ???????? ???????????? a) (a) Consumer f ood chain ????b) (b) Predator f ood chain ????c) (c) Par asitic f ood chain ????d)(d) Detritus
f ood chain
???????????? 48 ???? ????Food chain starts with (Answer : A)
???????? ???????? ???????????? a) (a) Producer ????b) (b) Herbivores ????c) (c) Carnivores ????d)(d) Omnivores
???????????? 49 ???? ????In a f ood chain, humans are (Answer : D)
???????? ???????? ???????????? a) (a) Secondary consumers ????b) (b) Primary consumer ????c) (c) Producers ????d)(d) Primary and
secondary consumers both
???????????? 50 ???? ????Which one is the correct f ood chain? (Answer : A)
???????? ???????? ???????????? a) (a) Phytoplankton ?? Zooplankton ?? Fish ????b) (b) Zooplankton ?? Phytoplankton ?? Fish ????c)
(c) Zooplankton ?? Protozoans ?? Fish ????d)(d) Gr ass ?? Fish ?? Zooplankton
???????????? 51 ???? ????A f ood web consists of (Answer : A)
???????? ???????? ???????????? a) (a) Interlocking f ood chains ????b) (b) Producers, consumers and decomposers ????c) (c) A portion of
a f ood chain ????d)(d) A set of similar consumers
???????????? 52 ???? ????Food webs are (Answer : C)
???????? ???????? ???????????? a) (a) One kind of f ood ????b) (b) Not related to f ood chains at all ????c) (c) Inter-connected arr angement
of f ood chains ????d)(d) Linear arr angement of f ood chains
???????????? 53 ???? ????Pyr amid of number is given by (Answer : C)
???????? ???????? ???????????? a) (a) Haeckel ????b) (b) Odum ????c) (c) Elton ????d)(d) Tansely
???????????? 54 ???? ????Which ecological pyr amid is always upright? (Answer : C)
???????? ???????? ???????????? a) (a) Pyr amid of number ????b) (b) Pyr amid of biomass ????c) (c) Pyr amid of energy ????d)(d) Pyr amid of
number and biomass
???????????? 55 ???? ????An ecological pyr amid ref ers to the (Answer : D)
???????? ???????? ???????????? a) (a) Pyr amid of energy ????b) (b) Pyr amid of number ????c) (c) Pyr amid of biomass ????d)(d) All of the
above
???????????? 56 ???? ????An ecosystem may not undergo changes because: (Answer : A)
???????? ???????? ???????????? a) (a) It is in a state of homeostasis ????b) (b) It has plants and animals both ????c) (c) It gets solar
energy continuously ????d)(d) The decomposers are present in it
???????????? 57 ???? ????Energy flow in an ecosystem is always: (Answer : A)
???????? ???????? ???????????? a) (a) Unidirectional ????b) (b) Cyclic ????c) (c) Reversible ????d)(d) Multi-directional
???????????? 58 ???? ????The primary producers in a f orest ecosystem are: (Answer : A)
???????? ???????? ???????????? a) (a) Chlorophyll containing trees and plants ????b) (b) Herbivores ????c) (c) Carnivores ????d)(d) Bacteria
and other micro-organism
???????????? 59 ???? ????The desert among the f ollowing which is not a cold desert is: (Answer : D)
???????? ???????? ???????????? a) (a) Golbi desert ????b) (b) Patagonian desert ????c) (c) Atacama desert ????d)(d) Ma java desert
???????????? 60 ???? ????The darker zone in lakes where light penetr ation is negligible is called the: (Answer : D)
???????? ???????? ???????????? a) (a) Euphotic zone ????b) (b) Littor al zone ????c) (c) Limnetic zone ????d)(d) Benthic zone
???????????? 61 ???? ????The zone of a sea lying over the continental shelf is known as the: (Answer : B)
???????? ???????? ???????????? a) (a) Bathyl zone ????b) (b) Neritic zone ????c) (c) Abyssal zone ????d)(d) Littor al zone
???????????? 62 ???? ????Which one of the f ollowing is not a fresh water biome? (Answer : A)
???????? ???????? ???????????? a) (a) Lotic ????b) (b) Lentic ????c) (c) Spings ????d)(d) Deep sea
???????????? 63 ???? ????Tendency of pollutants to become concentr ated in successive trophic levels is known as: (Answer : A)
???????? ???????? ???????????? a) (a) Biomagnification ????b) (b) Biorhythm ????c) (c) Bioremediation ????d)(d) Biopir acy
???????????? 64 ???? ????Eutrophication is: (Answer : B)
???????? ???????? ???????????? a) (a) An improved water quality status of lakes ????b) (b) The result of accumulation of plant nutrients
in water bodies ????c) (c) A process in the carbon cycle ????d)(d) A water purification technique
???????????? 65 ???? ????Increase in f auna and decrease in flor a would be harmf ul due to increase in: (Answer : B)
???????? ???????? ???????????? a) (a) Diseases ????b) (b) CO ????c) (c) O2 ????d)(d) Radioactive pollution
???????????? 66 ???? ????The largest reservoir of nitrogen an our planet is: (Answer : B)
???????? ???????? ???????????? a) (a) Ocean ????b) (b) Atmosphere ????c) (c) Biosphere ????d)(d) Fossil f uels
???????????? 67 ???? ????Overgr azing results in: (Answer : A)
???????? ???????? ???????????? a) (a) Soil erosion ????b) (b) Retention of usef ul species ????c) (c) Productive soils ????d)(d) All of the
above
???????????? 68 ???? ????In the world, the economy of the India is: (Answer : D)
???????? ???????? ???????????? a) (a) Largest ????b) (b) Third largest ????c) (c) Second largest ????d)(d) Fourth largest
???????????? 69 ???? ????In services output, India is: (Answer : C)
???????? ???????? ???????????? a) 10 ????b) 12 ????c) 15 ????d)4
???????????? 70 ???? ?????Smog? is a mixture of (Answer : A)
???????? ???????? ???????????? a) a) Smoke and Fog ????b) (b) Snow and Fog ????c) ( c) Snow and Dust ????d)(d) Sulphur Dioxide and
Fog
???????????? 71 ???? ????A liquid f uel that was f ormed from the ancient remains of sea plants and animals is (Answer : B)
???????? ???????? ???????????? a) Natur al gasb ????b) Petroleumc ????c) Geothermal energyd ????d)Coal
???????????? 72 ???? ????A poisonous gas given out of vehicles exhaust is (Answer : A)
a) Carbon monoxideb ????b) Ethanec ????c) Methaned ????d)Carbon dioxide
???????????? 73 ???? ????A product of photosynthesis is (Answer : C)
???????? ???????? ???????????? a) Carbon dioxideb ????b) Waterc ????c) Oxygend ????d)Chlorophyll
???????????? 74 ???? ????Atmosphere consists of 79 percent Nitrogen and 21 percent Oxygen by (Answer : B)
???????? ???????? ???????????? a) Volumeb ????b) Weightc ????c) Densityd ????d)All of these
???????????? 75 ???? ????Biogas contains mainly (Answer : B)
???????? ???????? ???????????? a) Carbon dioxideb ????b) Methanec ????c) Butaned ????d)Propane
???????????? 76 ???? ????Carbon dioxide constitutes about 0.03% of the atmosphere (Answer : A)
???????? ???????? ???????????? a) By volume(b ????b) By weight(c ????c) By mass(d ????d)None of these
???????????? 77 ???? ????Development activities on the hydrosphere cause (Answer : C)
???????? ???????? ???????????? a) Air pollutionb ????b) Soil pollutionc ????c) Water pollutiond ????d)Soil erosion
???????????? 78 ???? ????Energy flow in an ecosystem is (Answer : C)
???????? ???????? ???????????? a) Bidirectionalb ????b) Unidirectionalc ????c) Multidirectionald ????d)All rounds
???????????? 79 ???? ????Energy from the heat inside the earth is (Answer : B)
???????? ???????? ???????????? a) a Natur al gas ????b) Geothermalc ????c) Petroleumd ????d)Terr athermal
???????????? 80 ???? ????Energy in the r ays from the sun is called (Answer : A)
???????? ???????? ???????????? a) Solar energyb ????b) Wind energyc ????c) Tidal energyd ????d)Water energy
???????????? 81 ???? ????Environment is the lif e support system that includes (Answer : D)
???????? ???????? ???????????? a) Airb ????b) Waterc ????c) Landd ????d)All of the above
???????????? 82 ???? ????Extensive planting of trees to increase cover is called (Answer : A)
???????? ???????? ???????????? a) Af f orestation(b ????b) Agrof orestation(c ????c) Def orestation(d ????d)Social f orestry
???????????? 83 ???? ????Extensive planting of trees to increase f orest cover is called (Answer : A)
???????? ???????? ???????????? a) Af f orestation, b ????b) Agrof orestry, c ????c) Def orestation, d ????d)Social f orestry
???????????? 84 ???? ????Forest and wild lif e are (Answer : A)
???????? ???????? ???????????? a) Renewable resource(b ????b) Non-renewable resources (c ????c) Inexhaustible resources (d ????d)None
of these
???????????? 85 ???? ????Forests prevent soil erosion by binding soil particles in their (Answer : B)
???????? ???????? ???????????? a) Leaves(b ????b) Roots(c ????c) Buds(d ????d)Stems
???????????? 86 ???? ????Formation of hole in Ozone is maximum over (Answer : C)
???????? ???????? ???????????? a) Indiab ????b) Europec ????c) Antarcticad ????d)Africa
???????????? 87 ???? ????Fossil f uel and metallic miner als are: (Answer : C)
???????? ???????? ???????????? a) Renewable resource (b ????b) Inexhaustible resources (c ????c) Non-renewable resources (d ????d)None
of these
???????????? 88 ???? ????Green house ef f ect is linked to (Answer : C)
???????? ???????? ???????????? a) Nitrogen oxidesb ????b) Sulphur dioxidesc ????c) Carbon dioxidesd ????d)Carbon monoxides
???????????? 89 ???? ????In our country the percentage of land under f orest is about: (Answer : B)
???????? ???????? ???????????? a) 20%(b ????b) 19%(c ????c) 25%(d ????d)30%
???????????? 90 ???? ????In respect of water crisis, there have been conflicts/disputes between two countries, or states of the
same country. Which of the f ollowing has never been the case of water conflict? (Answer : D)
???????? ???????? ???????????? a) Cauvery water dispute between Tamil Nadu and Karnataka (b ????b) Yamuna-Betwa dispute between
U.P. and M.P. (c ????c) Sutlej Yamuna Link (SYL ????d)canal dispute between Pun jab and Haryana (d
???????????? 91 ???? ????Instrumentation technology used to locate suitable places f or mining (Answer : C)
???????? ???????? ???????????? a) a) Microscope ????b) b) Salinometer ????c) c) GIS ????d)d) camer a tr ap
???????????? 92 ???? ????Kaveri water dispute is in between: (Answer : D)
???????? ???????? ???????????? a) India and Pakistan (b ????b) Pun jab and Haryana (c ????c) Uttar Pr adesh and Madhya Pr adesh (d
????d)Karnataka and Tamil Nadu
???????????? 93 ???? ????Khetri (Ra jasthan) is f amous f or: (Answer : B)
???????? ???????? ???????????? a) Coal mines(b ????b) Copper mines(c ????c) Gr anite stone(d ????d)Marble stone
???????????? 94 ???? ????Main source of acid r ain is (Answer : A)
???????? ???????? ???????????? a) Sulphur dioxideb ????b) Nitrogenc ????c) Carbon dioxided ????d)Carbon monoxide
???????????? 95 ???? ????Ma jor consumer of wood from f orest is ___________ (Answer : B)
???????? ???????? ???????????? a) Thermal Power Plant ????b) Paper Industry ????c) Chemistry Industry ????d)none
???????????? 96 ???? ????Moisture in the air is known as (Answer : D)
???????? ???????? ???????????? a) a) Water ????b) (b) Fog ????c) ( c) Snow ????d)(d) Humidity
???????????? 97 ???? ????Name the country which virtually closed cod fishery in the 1990?s due to depletion of fish reserves
(Answer : A)
???????? ???????? ???????????? a) a) Canada ????b) b) Argentina ????c) c) Italy ????d)d) India
???????????? 98 ???? ????Name the financial agency which hesistate to support the Sardar Sarovar Pro ject in India in 1993 a result
of the demands of local people threatened with the loss of their livelihoods and homes in the submergence area.
(Answer : B)
???????? ???????? ???????????? a) a) Swiss bank ????b) b) World Bank ????c) c) Bank of India ????d)d) International Monetary Fund
???????????? 99 ???? ????Nitrogen constitutes about 78% of the atmosphere (Answer : C)
???????? ???????? ???????????? a) By weight(b ????b) By mass(c ????c) By volume(d ????d)None of these
???????????? 100 ???? ????Noise is measured by sound meter and the unit is (Answer : C)
???????? ???????? ???????????? a) Hertzb ????b) Joulec ????c) Decibeld ????d)Seconds
???????????? 101 ???? ????One of India?s serious environmental problems is f orest degr adation. What is the main cause of f orest
degr adation? (Answer : A)
???????? ???????? ???????????? a) timber extr action ????b) honey extr action ????c) high altitude ????d)Low Rainf all
???????????? 102 ???? ????Ozone day is observed on (Answer : B)
???????? ???????? ???????????? a) 3rd Januaryb ????b) 16th Septemberc ????c) 10th Novemberd ????d)26th March
???????????? 103 ???? ????Ozone Umbrella is located in which layer of atmosphere (Answer : B)
???????? ???????? ???????????? a) a) Troposphere ????b) (b) Str atosphere ????c) (c) Mesosphere ????d)(d) Ionosphere
???????????? 104 ???? ????Peeling of Ozone umbrella, which protects us from UV r ays, is caused by (Answer : B)
???????? ???????? ???????????? a) Carbon monoxideb ????b) CFCsc ????c) Coal burningd ????d)Methane
???????????? 105 ???? ????Soil erosion removes surf ace soil which contains (Answer : A)
???????? ???????? ???????????? a) Organic matterb ????b) Plant nutrientsc ????c) Both a and bd ????d)none of the above
???????????? 106 ???? ????Sustainable development means (Answer : C)
???????? ???????? ???????????? a) a. meeting present needs without compromising on f uture needs ????b) b. progress of human beings
????c) c. balance between human needs and the ability of earth to provide the resources ????d)d. all of the above
???????????? 107 ???? ????The adverse ef f ect of modern agriculture is (Answer : B)
???????? ???????? ???????????? a) Water pollutionb ????b) Soil degr adationc ????c) Water loggingd ????d)All of the above
???????????? 108 ???? ????The f ossil f uel that is derived from the dead remains of plants that grew some 250 million years ago is
(Answer : C)
???????? ???????? ???????????? a) Petroleumb ????b) Natur al gasc ????c) Coald ????d)LPG
???????????? 109 ???? ????The impact of construction of dams (Answer : D)
???????? ???????? ???????????? a) Submerged f orest b ????b) Loss of wild lif e habitat c ????c) Damages downstream ecosystem d ????d)All
of the above
???????????? 110 ???? ????The ma jor cause f or land degr adation in our country is (Answer : A)
???????? ???????? ???????????? a) Soil erosion(b ????b) Pollution of soil(c ????c) Water-logging(d ????d)None of the above
???????????? 111 ???? ????The ma jor reason f or floods in the rivers Ganges and Br ahmaputr a is ________ (Answer : B)
???????? ???????? ???????????? a) a) Dams in Himalayas ????b) b) Def orestation in Himalayas ????c) c) Heavy r ains ????d)d) Melting of ice
???????????? 112 ???? ????The method of r ainwater harvesting which can be adopted by individual house owners is (Answer : D)
???????? ???????? ???????????? a) Construction of recharge trenches (b ????b) On channel stor age of water (c ????c) Creation of new
water bodies (d ????d)Roof-top r ainwater harvesting
???????????? 113 ???? ????The percentage of total world?s precipitation, which is lost to the atmosphere through evapor ation,
approximates to: (Answer : A)
???????? ???????? ???????????? a) 57%(b ????b) 7%(c ????c) 37%(d ????d)43%
???????????? 114 ???? ????The process of restoring f orests that once existed but was removed at some time in the past is known
as (Answer : B)
???????? ???????? ???????????? a) Af f orestationb ????b) Ref orestationc ????c) Def orestationd ????d)None of these
???????????? 115 ???? ????The share of Hydropower (Hydel pro jects) in worlds commercial electricity production is less than ________
(Answer : D)
???????? ???????? ???????????? a) 2.00% ????b) 4.00% ????c) 12.00% ????d)20.00%
???????????? 116 ???? ????The species restricted to be present in one region are called (Answer : B)
???????? ???????? ???????????? a) Edge speciesb ????b) Endemic species c ????c) Endangered species d ????d)Keystone species
???????????? 117 ???? ????The teeth are likely to be pitted, more susceptible to cavities and wear, when the fluoride concentr ation
is: (Answer : D)
???????? ???????? ???????????? a) More than 2 mg/1 (b ????b) More than 40 mg/1 (c ????c) More than 20 mg/1 (d ????d)More than 4 mg/1
???????????? 118 ???? ????The term ?Environment? has been derived from the French word which means to encircle or surround
(Answer : A)
???????? ???????? ???????????? a) Environb ????b) Oikosc ????c) Geod ????d)Aqua
???????????? 119 ???? ????Wetlands in the flood plains of rivers are also considered as nature?s ________ (Answer : C)
???????? ???????? ???????????? a) a) Heat sink ????b) b) carbon sink ????c) c) flood control systems ????d)d) swimming pool
???????????? 120 ???? ????What are rodenticides? (Answer : C)
???????? ???????? ???????????? a) that kill fishes ????b) that kill insects ????c) that kill r ats ????d)that kill crocos
???????????? 121 ???? ????What is Kyoto Protocol? (Answer : A)
???????? ???????? ???????????? a) a. It is an agreement among countries to take steps f or reducing global warming. ????b) b. It is an
agreement among countries to take steps f or reducing acid r ain. ????c) c. It is an agreement among countries to take steps
f or planting trees to control pollution. ????d)d. It is an agreement among countries to start using nuclear energy.
???????????? 122 ???? ????What is the ma jor limiting f actor in the arid areas of our country? (Answer : C)
???????? ???????? ???????????? a) a) Money ????b) b) f orests ????c) c) water ????d)d) soil
???????????? 123 ???? ????What kind of people are the most ill-af f ected by the construction of dams? (Answer : D)
???????? ???????? ???????????? a) a) Urban dwellers ????b) b) beach dwellers ????c) c) tourists ????d)d) tribal people
???????????? 124 ???? ????When fluoride concentr ation in H2O exceeds about 1.5 mg/1, the disease that may be caused, is
(Answer : B)
???????? ???????? ???????????? a) Dental caries in children(b ????b) Fluorosis(c ????c) Polymyelitis(d ????d)Methemoglobinemia
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???????????? 12 ???? ????World Environment Day (Answer : A)
???????? ???????? ???????????? a) 5th June ????b) 5th July ????c) 5th August ????d)5th September
???????????? 13 ???? ????The biggest award f or environmental activities in India is given in the name of an individual. In whose
name is it constituted? (Answer : C)
???????? ???????? ???????????? a) Lal Bahadur Shasthri ????b) Mor ar ji Desai ????c) Indir a Gandhi ????d)Kamar a j.
???????????? 14 ???? ????All f orms of water that comes down on Earth, including r ain, snow, hail etc. is known as _____________
(Answer : C)
???????? ???????? ???????????? a) Calcification ????b) Fixation ????c) Precipitation ????d)Accumulation
???????????? 15 ???? ????The ocean covers ________ percentage of Earth?s surf ace. (Answer : C)
???????? ???????? ???????????? a) 515 ????b) 0.61 ????c) 0.71 ????d)0.91
???????????? 16 ???? ????The portion of the earth and its environment which can support lif e is known as _________ (Answer : B)
???????? ???????? ???????????? a) Crust ????b) Biosphere ????c) Exosphere ????d)Atmosphere
???????????? 17 ???? ????What is troposphere? (Answer : C)
???????? ???????? ???????????? a) Portion of air ????b) Portion of water ????c) Lowest layer of atmosphere where we survive
????d)Portion of sky
???????????? 18 ???? ????The main energy source f or the environment is ________ (Answer : A)
???????? ???????? ???????????? a) Solar energy ????b) Chemical energy ????c) Bioelectric energy ????d)Electrical energy
???????????? 19 ???? ????What is UNCED? (Answer : C)
???????? ???????? ???????????? a) United Nations Conf erence on Education ????b) United Nations Conf erence on Environmental Day
????c) United Nations Conf erence on Environment and Development ????d)None of these.
???????????? 20 ???? ????Atmospheric humidity is measured by (Answer : C)
???????? ???????? ???????????? a) Auxanometer ????b) Photometer ????c) Hygrometer ????d)None
???????????? 21 ???? ????The area to which a species is biologically adapted to live is known (Answer : B)
???????? ???????? ???????????? a) Niche ????b) Habitat ????c) Succession ????d)Community
???????????? 22 ???? ????Study of inter-relationship between organisms and their environment is called (Answer : A)
???????? ???????? ???????????? a) Ecology ????b) Ecosystem ????c) Phytogeogr aphy ????d)Ethology
???????????? 23 ???? ????The term Ecology was coined by (Answer : B)
???????? ???????? ???????????? a) A.G.Tansley ????b) Earnst Haeckel ????c) Aristotle ????d)Linnaeus
???????????? 24 ???? ????An example of an abiotic component (Answer : B)
???????? ???????? ???????????? a) Plants ????b) Soil ????c) Animals ????d)Bacteria
???????????? 25 ???? ????The area to which a species is biologically adapted to live is known (Answer : B)
???????? ???????? ???????????? a) Niche ????b) Habitat ????c) Succession ????d)Community
???????????? 26 ???? ????The objective of environmental education is (Answer : D)
???????? ???????? ???????????? a) Raise consciousness about environmental education ????b) T o teach environmentally appropriate
behaviour ????c) Create an environmental ethic that f osters awareness about ecological inter-dependence of economics,
social and political ????d)All of the above
???????????? 27 ???? ????Which of the f ollowing is not influenced by human activities? (Answer : A)
???????? ???????? ???????????? a) Depletion of ground water ????b) Destruction of mangroves and wetlands ????c) Increased extinction
r ate of species ????d)None of the above
???????????? 28 ???? ????Environmental education is important only at (Answer : D)
???????? ???????? ???????????? a) Primary school stage ????b) Secondary school stage ????c) Collage stage ????d)All stages
???????????? 29 ???? ????Which of the f ollowing conceptual components of the environment are ef f ective tr ansporters of
matter? (Answer : A)
???????? ???????? ???????????? a) Atmosphere and hydrosphere ????b) (b) Atmosphere and lithosphere ????c) (c) Hydrosphere and
lithosphere ????d)(d) Lithosphere and biosphere
???????????? 30 ???? ????Biosphere is (Answer : B)
???????? ???????? ???????????? a) (a) The solid shell of inorganic materials on the surf ace of the Earth ????b) (b) The thin shell of
organic matter on the surf ace of earth comprising of all the living things ????c) (c) The sphere which occupies the
maximum volume of all the spheres ????d)(d) All of the above
???????????? 31 ???? ????Which of the f ollowing conceptual sphere of the environment is having the least stor age capacity f or
matter? (Answer : A)
???????? ???????? ???????????? a) (a) Atmosphere ????b) (b) Lithosphere ????c) (c) Hydrosphere ????d)(d) Biosphere
???????????? 32 ???? ????Which of the f ollowing is an example of impact of development activities on the Hydrosphere? (Answer
: D)
???????? ???????? ???????????? a) (a) Air pollution ????b) (b) Soil pollution ????c) (c) Soil erosion ????d)(d) Water pollution
???????????? 33 ???? ????Weather occurs in the Earths: (Answer : A)
???????? ???????? ???????????? a) (a) Troposhere ????b) (b) Mesophere ????c) (c) Ionosphere ????d)(d) Thermosphere
???????????? 34 ???? ????Biosphere is a term used to represent the: (Answer : C)
???????? ???????? ???????????? a) (a) Entire atmosphere consisting of troposphere, str atosphere, mesosphere, and thermosphere
????b) (b) Entire hydrosphere-representing the entire collection of water over the Earth as well as inside the Earth ????c) (c)
A small zone of Earth, where the lithosphere, hydrosphere, and atmosphere come in contact with one another ????d)(d)
Entire lithosphere-representing the solid Earth and its interior
???????????? 35 ???? ????The term ecology was introduced by: (Answer : A)
???????? ???????? ???????????? a) (a) Haeckel ????b) (b) Odum ????c) (c) Tansely ????d)(d) Ramdeo Mishr a
???????????? 36 ???? ????The study of inter actions between living and non-living organisms and environment is called (Answer :
B)
???????? ???????? ???????????? a) (a) Ecosystem ????b) (b) Ecology ????c) (c) Phyto-geogr aphy ????d)(d) Phytosociology
???????????? 37 ???? ????An ecosystem consist of (Answer : D)
???????? ???????? ???????????? a) (a) Green plants and animals ????b) (b) Green plants and decomposers ????c) (c) Producers and
consumers ????d)(d) Green plants, animals, decomposers and abiotic environment
???????????? 38 ???? ????The environment which has been modified by human activities is called (Answer : B)
???????? ???????? ???????????? a) (a) Natur al environment ????b) (b) Anthropogenic environment ????c) (c) Modem environment ????d)(d)
Urban environment
???????????? 39 ???? ????Which of the f ollowing statements is not true? (Answer : C)
???????? ???????? ???????????? a) (a) Inorganic nutrients are recycled in an ecosystem ????b) (b) Energy flows through the ecosystem
in the f orm of C-C bonds ????c) (c) Energy is recycled in an ecosystem ????d)(d) Respir ation process releases energy
???????????? 40 ???? ????Driving f orce in an ecosystem is (Answer : C)
???????? ???????? ???????????? a) (a) Plants ????b) (b) Producers ????c) (c) Solar energy ????d)(d) Biomass energy
???????????? 41 ???? ????Physical and chemical components of an ecosystem constitute (Answer : C)
???????? ???????? ???????????? a) (a) Biotic structure ????b) (b) Abioltic structure ????c) (c) Both of these ????d)(d) None of these
???????????? 42 ???? ????Which one of the f ollowing is an abiotic component of the ecosystem? (Answer : C)
???????? ???????? ???????????? a) (a) Bacteria ????b) (b) Plants ????c) (c) Humus ????d)(d) Fungi
???????????? 43 ???? ????Which of the f ollowing is a possible producer in an ecosystem? (Answer : A)
???????? ???????? ???????????? a) (a) Plants ????b) (b) Animals ????c) (c) Human beings ????d)(d) Fish
???????????? 44 ???? ????The organisms which f eed on dead organisms and excreta of living organisms are known (Answer : A)
???????? ???????? ???????????? a) (a) Decomposers ????b) (b) Consumers ????c) (c) Producers ????d)(d) Carnivores
???????????? 45 ???? ????A trophic level ref ers to: (Answer : C)
???????? ???????? ???????????? a) (a) Area in the tropics ????b) (b) An organism?s portion in a f ood chain ????c) (c) An organism?s
position in an ecosystem ????d)(d) An organism?s position in a biome
???????????? 46 ???? ????In a f ood chain animals constitute the: (Answer : C)
???????? ???????? ???????????? a) (a) First trophic level ????b) (b) Second trophic level ????c) (c) Intermediate trophic level ????d)(d)
Ultimate trophic level
???????????? 47 ???? ????The f ood chain in which microorganisms breakdown dead producers is called: (Answer : D)
???????? ???????? ???????????? a) (a) Consumer f ood chain ????b) (b) Predator f ood chain ????c) (c) Par asitic f ood chain ????d)(d) Detritus
f ood chain
???????????? 48 ???? ????Food chain starts with (Answer : A)
???????? ???????? ???????????? a) (a) Producer ????b) (b) Herbivores ????c) (c) Carnivores ????d)(d) Omnivores
???????????? 49 ???? ????In a f ood chain, humans are (Answer : D)
???????? ???????? ???????????? a) (a) Secondary consumers ????b) (b) Primary consumer ????c) (c) Producers ????d)(d) Primary and
secondary consumers both
???????????? 50 ???? ????Which one is the correct f ood chain? (Answer : A)
???????? ???????? ???????????? a) (a) Phytoplankton ?? Zooplankton ?? Fish ????b) (b) Zooplankton ?? Phytoplankton ?? Fish ????c)
(c) Zooplankton ?? Protozoans ?? Fish ????d)(d) Gr ass ?? Fish ?? Zooplankton
???????????? 51 ???? ????A f ood web consists of (Answer : A)
???????? ???????? ???????????? a) (a) Interlocking f ood chains ????b) (b) Producers, consumers and decomposers ????c) (c) A portion of
a f ood chain ????d)(d) A set of similar consumers
???????????? 52 ???? ????Food webs are (Answer : C)
???????? ???????? ???????????? a) (a) One kind of f ood ????b) (b) Not related to f ood chains at all ????c) (c) Inter-connected arr angement
of f ood chains ????d)(d) Linear arr angement of f ood chains
???????????? 53 ???? ????Pyr amid of number is given by (Answer : C)
???????? ???????? ???????????? a) (a) Haeckel ????b) (b) Odum ????c) (c) Elton ????d)(d) Tansely
???????????? 54 ???? ????Which ecological pyr amid is always upright? (Answer : C)
???????? ???????? ???????????? a) (a) Pyr amid of number ????b) (b) Pyr amid of biomass ????c) (c) Pyr amid of energy ????d)(d) Pyr amid of
number and biomass
???????????? 55 ???? ????An ecological pyr amid ref ers to the (Answer : D)
???????? ???????? ???????????? a) (a) Pyr amid of energy ????b) (b) Pyr amid of number ????c) (c) Pyr amid of biomass ????d)(d) All of the
above
???????????? 56 ???? ????An ecosystem may not undergo changes because: (Answer : A)
???????? ???????? ???????????? a) (a) It is in a state of homeostasis ????b) (b) It has plants and animals both ????c) (c) It gets solar
energy continuously ????d)(d) The decomposers are present in it
???????????? 57 ???? ????Energy flow in an ecosystem is always: (Answer : A)
???????? ???????? ???????????? a) (a) Unidirectional ????b) (b) Cyclic ????c) (c) Reversible ????d)(d) Multi-directional
???????????? 58 ???? ????The primary producers in a f orest ecosystem are: (Answer : A)
???????? ???????? ???????????? a) (a) Chlorophyll containing trees and plants ????b) (b) Herbivores ????c) (c) Carnivores ????d)(d) Bacteria
and other micro-organism
???????????? 59 ???? ????The desert among the f ollowing which is not a cold desert is: (Answer : D)
???????? ???????? ???????????? a) (a) Golbi desert ????b) (b) Patagonian desert ????c) (c) Atacama desert ????d)(d) Ma java desert
???????????? 60 ???? ????The darker zone in lakes where light penetr ation is negligible is called the: (Answer : D)
???????? ???????? ???????????? a) (a) Euphotic zone ????b) (b) Littor al zone ????c) (c) Limnetic zone ????d)(d) Benthic zone
???????????? 61 ???? ????The zone of a sea lying over the continental shelf is known as the: (Answer : B)
???????? ???????? ???????????? a) (a) Bathyl zone ????b) (b) Neritic zone ????c) (c) Abyssal zone ????d)(d) Littor al zone
???????????? 62 ???? ????Which one of the f ollowing is not a fresh water biome? (Answer : A)
???????? ???????? ???????????? a) (a) Lotic ????b) (b) Lentic ????c) (c) Spings ????d)(d) Deep sea
???????????? 63 ???? ????Tendency of pollutants to become concentr ated in successive trophic levels is known as: (Answer : A)
???????? ???????? ???????????? a) (a) Biomagnification ????b) (b) Biorhythm ????c) (c) Bioremediation ????d)(d) Biopir acy
???????????? 64 ???? ????Eutrophication is: (Answer : B)
???????? ???????? ???????????? a) (a) An improved water quality status of lakes ????b) (b) The result of accumulation of plant nutrients
in water bodies ????c) (c) A process in the carbon cycle ????d)(d) A water purification technique
???????????? 65 ???? ????Increase in f auna and decrease in flor a would be harmf ul due to increase in: (Answer : B)
???????? ???????? ???????????? a) (a) Diseases ????b) (b) CO ????c) (c) O2 ????d)(d) Radioactive pollution
???????????? 66 ???? ????The largest reservoir of nitrogen an our planet is: (Answer : B)
???????? ???????? ???????????? a) (a) Ocean ????b) (b) Atmosphere ????c) (c) Biosphere ????d)(d) Fossil f uels
???????????? 67 ???? ????Overgr azing results in: (Answer : A)
???????? ???????? ???????????? a) (a) Soil erosion ????b) (b) Retention of usef ul species ????c) (c) Productive soils ????d)(d) All of the
above
???????????? 68 ???? ????In the world, the economy of the India is: (Answer : D)
???????? ???????? ???????????? a) (a) Largest ????b) (b) Third largest ????c) (c) Second largest ????d)(d) Fourth largest
???????????? 69 ???? ????In services output, India is: (Answer : C)
???????? ???????? ???????????? a) 10 ????b) 12 ????c) 15 ????d)4
???????????? 70 ???? ?????Smog? is a mixture of (Answer : A)
???????? ???????? ???????????? a) a) Smoke and Fog ????b) (b) Snow and Fog ????c) ( c) Snow and Dust ????d)(d) Sulphur Dioxide and
Fog
???????????? 71 ???? ????A liquid f uel that was f ormed from the ancient remains of sea plants and animals is (Answer : B)
???????? ???????? ???????????? a) Natur al gasb ????b) Petroleumc ????c) Geothermal energyd ????d)Coal
???????????? 72 ???? ????A poisonous gas given out of vehicles exhaust is (Answer : A)
a) Carbon monoxideb ????b) Ethanec ????c) Methaned ????d)Carbon dioxide
???????????? 73 ???? ????A product of photosynthesis is (Answer : C)
???????? ???????? ???????????? a) Carbon dioxideb ????b) Waterc ????c) Oxygend ????d)Chlorophyll
???????????? 74 ???? ????Atmosphere consists of 79 percent Nitrogen and 21 percent Oxygen by (Answer : B)
???????? ???????? ???????????? a) Volumeb ????b) Weightc ????c) Densityd ????d)All of these
???????????? 75 ???? ????Biogas contains mainly (Answer : B)
???????? ???????? ???????????? a) Carbon dioxideb ????b) Methanec ????c) Butaned ????d)Propane
???????????? 76 ???? ????Carbon dioxide constitutes about 0.03% of the atmosphere (Answer : A)
???????? ???????? ???????????? a) By volume(b ????b) By weight(c ????c) By mass(d ????d)None of these
???????????? 77 ???? ????Development activities on the hydrosphere cause (Answer : C)
???????? ???????? ???????????? a) Air pollutionb ????b) Soil pollutionc ????c) Water pollutiond ????d)Soil erosion
???????????? 78 ???? ????Energy flow in an ecosystem is (Answer : C)
???????? ???????? ???????????? a) Bidirectionalb ????b) Unidirectionalc ????c) Multidirectionald ????d)All rounds
???????????? 79 ???? ????Energy from the heat inside the earth is (Answer : B)
???????? ???????? ???????????? a) a Natur al gas ????b) Geothermalc ????c) Petroleumd ????d)Terr athermal
???????????? 80 ???? ????Energy in the r ays from the sun is called (Answer : A)
???????? ???????? ???????????? a) Solar energyb ????b) Wind energyc ????c) Tidal energyd ????d)Water energy
???????????? 81 ???? ????Environment is the lif e support system that includes (Answer : D)
???????? ???????? ???????????? a) Airb ????b) Waterc ????c) Landd ????d)All of the above
???????????? 82 ???? ????Extensive planting of trees to increase cover is called (Answer : A)
???????? ???????? ???????????? a) Af f orestation(b ????b) Agrof orestation(c ????c) Def orestation(d ????d)Social f orestry
???????????? 83 ???? ????Extensive planting of trees to increase f orest cover is called (Answer : A)
???????? ???????? ???????????? a) Af f orestation, b ????b) Agrof orestry, c ????c) Def orestation, d ????d)Social f orestry
???????????? 84 ???? ????Forest and wild lif e are (Answer : A)
???????? ???????? ???????????? a) Renewable resource(b ????b) Non-renewable resources (c ????c) Inexhaustible resources (d ????d)None
of these
???????????? 85 ???? ????Forests prevent soil erosion by binding soil particles in their (Answer : B)
???????? ???????? ???????????? a) Leaves(b ????b) Roots(c ????c) Buds(d ????d)Stems
???????????? 86 ???? ????Formation of hole in Ozone is maximum over (Answer : C)
???????? ???????? ???????????? a) Indiab ????b) Europec ????c) Antarcticad ????d)Africa
???????????? 87 ???? ????Fossil f uel and metallic miner als are: (Answer : C)
???????? ???????? ???????????? a) Renewable resource (b ????b) Inexhaustible resources (c ????c) Non-renewable resources (d ????d)None
of these
???????????? 88 ???? ????Green house ef f ect is linked to (Answer : C)
???????? ???????? ???????????? a) Nitrogen oxidesb ????b) Sulphur dioxidesc ????c) Carbon dioxidesd ????d)Carbon monoxides
???????????? 89 ???? ????In our country the percentage of land under f orest is about: (Answer : B)
???????? ???????? ???????????? a) 20%(b ????b) 19%(c ????c) 25%(d ????d)30%
???????????? 90 ???? ????In respect of water crisis, there have been conflicts/disputes between two countries, or states of the
same country. Which of the f ollowing has never been the case of water conflict? (Answer : D)
???????? ???????? ???????????? a) Cauvery water dispute between Tamil Nadu and Karnataka (b ????b) Yamuna-Betwa dispute between
U.P. and M.P. (c ????c) Sutlej Yamuna Link (SYL ????d)canal dispute between Pun jab and Haryana (d
???????????? 91 ???? ????Instrumentation technology used to locate suitable places f or mining (Answer : C)
???????? ???????? ???????????? a) a) Microscope ????b) b) Salinometer ????c) c) GIS ????d)d) camer a tr ap
???????????? 92 ???? ????Kaveri water dispute is in between: (Answer : D)
???????? ???????? ???????????? a) India and Pakistan (b ????b) Pun jab and Haryana (c ????c) Uttar Pr adesh and Madhya Pr adesh (d
????d)Karnataka and Tamil Nadu
???????????? 93 ???? ????Khetri (Ra jasthan) is f amous f or: (Answer : B)
???????? ???????? ???????????? a) Coal mines(b ????b) Copper mines(c ????c) Gr anite stone(d ????d)Marble stone
???????????? 94 ???? ????Main source of acid r ain is (Answer : A)
???????? ???????? ???????????? a) Sulphur dioxideb ????b) Nitrogenc ????c) Carbon dioxided ????d)Carbon monoxide
???????????? 95 ???? ????Ma jor consumer of wood from f orest is ___________ (Answer : B)
???????? ???????? ???????????? a) Thermal Power Plant ????b) Paper Industry ????c) Chemistry Industry ????d)none
???????????? 96 ???? ????Moisture in the air is known as (Answer : D)
???????? ???????? ???????????? a) a) Water ????b) (b) Fog ????c) ( c) Snow ????d)(d) Humidity
???????????? 97 ???? ????Name the country which virtually closed cod fishery in the 1990?s due to depletion of fish reserves
(Answer : A)
???????? ???????? ???????????? a) a) Canada ????b) b) Argentina ????c) c) Italy ????d)d) India
???????????? 98 ???? ????Name the financial agency which hesistate to support the Sardar Sarovar Pro ject in India in 1993 a result
of the demands of local people threatened with the loss of their livelihoods and homes in the submergence area.
(Answer : B)
???????? ???????? ???????????? a) a) Swiss bank ????b) b) World Bank ????c) c) Bank of India ????d)d) International Monetary Fund
???????????? 99 ???? ????Nitrogen constitutes about 78% of the atmosphere (Answer : C)
???????? ???????? ???????????? a) By weight(b ????b) By mass(c ????c) By volume(d ????d)None of these
???????????? 100 ???? ????Noise is measured by sound meter and the unit is (Answer : C)
???????? ???????? ???????????? a) Hertzb ????b) Joulec ????c) Decibeld ????d)Seconds
???????????? 101 ???? ????One of India?s serious environmental problems is f orest degr adation. What is the main cause of f orest
degr adation? (Answer : A)
???????? ???????? ???????????? a) timber extr action ????b) honey extr action ????c) high altitude ????d)Low Rainf all
???????????? 102 ???? ????Ozone day is observed on (Answer : B)
???????? ???????? ???????????? a) 3rd Januaryb ????b) 16th Septemberc ????c) 10th Novemberd ????d)26th March
???????????? 103 ???? ????Ozone Umbrella is located in which layer of atmosphere (Answer : B)
???????? ???????? ???????????? a) a) Troposphere ????b) (b) Str atosphere ????c) (c) Mesosphere ????d)(d) Ionosphere
???????????? 104 ???? ????Peeling of Ozone umbrella, which protects us from UV r ays, is caused by (Answer : B)
???????? ???????? ???????????? a) Carbon monoxideb ????b) CFCsc ????c) Coal burningd ????d)Methane
???????????? 105 ???? ????Soil erosion removes surf ace soil which contains (Answer : A)
???????? ???????? ???????????? a) Organic matterb ????b) Plant nutrientsc ????c) Both a and bd ????d)none of the above
???????????? 106 ???? ????Sustainable development means (Answer : C)
???????? ???????? ???????????? a) a. meeting present needs without compromising on f uture needs ????b) b. progress of human beings
????c) c. balance between human needs and the ability of earth to provide the resources ????d)d. all of the above
???????????? 107 ???? ????The adverse ef f ect of modern agriculture is (Answer : B)
???????? ???????? ???????????? a) Water pollutionb ????b) Soil degr adationc ????c) Water loggingd ????d)All of the above
???????????? 108 ???? ????The f ossil f uel that is derived from the dead remains of plants that grew some 250 million years ago is
(Answer : C)
???????? ???????? ???????????? a) Petroleumb ????b) Natur al gasc ????c) Coald ????d)LPG
???????????? 109 ???? ????The impact of construction of dams (Answer : D)
???????? ???????? ???????????? a) Submerged f orest b ????b) Loss of wild lif e habitat c ????c) Damages downstream ecosystem d ????d)All
of the above
???????????? 110 ???? ????The ma jor cause f or land degr adation in our country is (Answer : A)
???????? ???????? ???????????? a) Soil erosion(b ????b) Pollution of soil(c ????c) Water-logging(d ????d)None of the above
???????????? 111 ???? ????The ma jor reason f or floods in the rivers Ganges and Br ahmaputr a is ________ (Answer : B)
???????? ???????? ???????????? a) a) Dams in Himalayas ????b) b) Def orestation in Himalayas ????c) c) Heavy r ains ????d)d) Melting of ice
???????????? 112 ???? ????The method of r ainwater harvesting which can be adopted by individual house owners is (Answer : D)
???????? ???????? ???????????? a) Construction of recharge trenches (b ????b) On channel stor age of water (c ????c) Creation of new
water bodies (d ????d)Roof-top r ainwater harvesting
???????????? 113 ???? ????The percentage of total world?s precipitation, which is lost to the atmosphere through evapor ation,
approximates to: (Answer : A)
???????? ???????? ???????????? a) 57%(b ????b) 7%(c ????c) 37%(d ????d)43%
???????????? 114 ???? ????The process of restoring f orests that once existed but was removed at some time in the past is known
as (Answer : B)
???????? ???????? ???????????? a) Af f orestationb ????b) Ref orestationc ????c) Def orestationd ????d)None of these
???????????? 115 ???? ????The share of Hydropower (Hydel pro jects) in worlds commercial electricity production is less than ________
(Answer : D)
???????? ???????? ???????????? a) 2.00% ????b) 4.00% ????c) 12.00% ????d)20.00%
???????????? 116 ???? ????The species restricted to be present in one region are called (Answer : B)
???????? ???????? ???????????? a) Edge speciesb ????b) Endemic species c ????c) Endangered species d ????d)Keystone species
???????????? 117 ???? ????The teeth are likely to be pitted, more susceptible to cavities and wear, when the fluoride concentr ation
is: (Answer : D)
???????? ???????? ???????????? a) More than 2 mg/1 (b ????b) More than 40 mg/1 (c ????c) More than 20 mg/1 (d ????d)More than 4 mg/1
???????????? 118 ???? ????The term ?Environment? has been derived from the French word which means to encircle or surround
(Answer : A)
???????? ???????? ???????????? a) Environb ????b) Oikosc ????c) Geod ????d)Aqua
???????????? 119 ???? ????Wetlands in the flood plains of rivers are also considered as nature?s ________ (Answer : C)
???????? ???????? ???????????? a) a) Heat sink ????b) b) carbon sink ????c) c) flood control systems ????d)d) swimming pool
???????????? 120 ???? ????What are rodenticides? (Answer : C)
???????? ???????? ???????????? a) that kill fishes ????b) that kill insects ????c) that kill r ats ????d)that kill crocos
???????????? 121 ???? ????What is Kyoto Protocol? (Answer : A)
???????? ???????? ???????????? a) a. It is an agreement among countries to take steps f or reducing global warming. ????b) b. It is an
agreement among countries to take steps f or reducing acid r ain. ????c) c. It is an agreement among countries to take steps
f or planting trees to control pollution. ????d)d. It is an agreement among countries to start using nuclear energy.
???????????? 122 ???? ????What is the ma jor limiting f actor in the arid areas of our country? (Answer : C)
???????? ???????? ???????????? a) a) Money ????b) b) f orests ????c) c) water ????d)d) soil
???????????? 123 ???? ????What kind of people are the most ill-af f ected by the construction of dams? (Answer : D)
???????? ???????? ???????????? a) a) Urban dwellers ????b) b) beach dwellers ????c) c) tourists ????d)d) tribal people
???????????? 124 ???? ????When fluoride concentr ation in H2O exceeds about 1.5 mg/1, the disease that may be caused, is
(Answer : B)
???????? ???????? ???????????? a) Dental caries in children(b ????b) Fluorosis(c ????c) Polymyelitis(d ????d)Methemoglobinemia
???????????? 125 ???? ????Which among the f ollowing is a sedimentary type of cycle? (Answer : A)
???????? ???????? ???????????? a) Sulphur cycle(b ????b) Nitrogen cycle(c ????c) Oxygen cycle(d ????d)Carbon cycle
???????????? 126 ???? ????Which gas is responsible f or ozone layer depletion around earth? (Answer : B)
???????? ???????? ???????????? a) Carbon dioxideb ????b) Chlorofluorocarbonsc ????c) Oxygend ????d)Nitrogen oxide
???????????? 127 ???? ????Which gas is responsible f or the global warming? (Answer : B)
???????? ???????? ???????????? a) Nitrogenb ????b) Carbon dioxidec ????c) Noble gasesd ????d)Hydrogen
???????????? 128 ???? ????Which is a list of renewable resources? (Answer : D)
???????? ???????? ???????????? a) Petroleum, geothermal, wind b ????b) Biomass, geothermal, hydropower c ????c) Natur al gas, wind,
biomass d ????d)Hydropower, solar, wind energy
???????????? 129 ???? ????Which is the only country who has not r atified the Kyoto Protocol yet? (Answer : A)
???????? ???????? ???????????? a) United States ????b) Austr alia ????c) Japan ????d)India
???????????? 130 ???? ????Which of below items is the ma jor sector which extr acts most of fresh water available f or utilization?
(Answer : D)
???????? ???????? ???????????? a) domestic use ????b) drinking water ????c) bever age industry ????d)agriculture
???????????? 131 ???? ????Which of the f ollowing are consequences of ozone depletion (Answer : A)
???????? ???????? ???????????? a) Skin cancer and catar actb ????b) Reduced growth in plants c ????c) Shortening of zooplanktons and
their breeding period d ????d)All of the above
???????????? 132 ???? ????Which of the f ollowing are ma jor environmental issues involved in mining? (Answer : D)
???????? ???????? ???????????? a) air pollutionb ????b) water pollutionc ????c) soil degr adationd ????d)all of the above
???????????? 133 ???? ????Which of the f ollowing ef f ect is responsible f or Global Warming? (Answer : A)
???????? ???????? ???????????? a) Green house ef f ectb ????b) Radioactive ef f ectc ????c) Solar ef f ectd ????d)Nuclear ef f ect
???????????? 134 ???? ????Which of the f ollowing is management option f or air pollution? (Answer : D)
???????? ???????? ???????????? a) Regulations and standardsb ????b) Tr ansport planningc ????c) Using CNG as f ueld ????d)All of these
???????????? 135 ???? ????Which of the f ollowing is not a method f or water conservation? (Answer : B)
???????? ???????? ???????????? a) Rainwater harvesting(b ????b) Groundwater extr action (c ????c) Improving irrigation ef ficiency (d
????d)Avoiding water wastage
???????????? 136 ???? ????Which of the f ollowing is not a viable protection against def orestation? (Answer : C)
???????? ???????? ???????????? a) Reduce the consumption of f orest and related products (b ????b) Boycott products of companies
involve in def orestation (c ????c) Privatisation of f orest land (d ????d)Environmental education
???????????? 137 ???? ????Which of the f ollowing is not influenced by human activities? (Answer : D)
???????? ???????? ???????????? a) Destruction of mangroves and wetlands b ????b) Depletion of ground water c ????c) Increased
extinction r ate of species d ????d)None of the above
???????????? 138 ???? ????Which of the f ollowing is not true about def orestation? (Answer : C)
???????? ???????? ???????????? a) Population explosion is one of the reasons f or def orestation (b ????b) Cleaning of f orest f or
agriculture causes def orestation. (c ????c) Def orestation is taking place only in developing courtiers. (d ????d)Cash crop
economy of third world is a cause of def orestation.
???????????? 139 ???? ????Which of the f ollowing is responsible f or desertification? (Answer : D)
???????? ???????? ???????????? a) Def orestation(b ????b) Mining(c ????c) Overgr azing(d ????d)All of the above
???????????? 140 ???? ????Which of the f ollowing statements about the f orest is not correct? (Answer : D)
???????? ???????? ???????????? a) Forest reduces soil erosion (b ????b) Provides recreational opportunities (c ????c) Provides economic
development (d ????d)None of the above
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???????????? 12 ???? ????World Environment Day (Answer : A)
???????? ???????? ???????????? a) 5th June ????b) 5th July ????c) 5th August ????d)5th September
???????????? 13 ???? ????The biggest award f or environmental activities in India is given in the name of an individual. In whose
name is it constituted? (Answer : C)
???????? ???????? ???????????? a) Lal Bahadur Shasthri ????b) Mor ar ji Desai ????c) Indir a Gandhi ????d)Kamar a j.
???????????? 14 ???? ????All f orms of water that comes down on Earth, including r ain, snow, hail etc. is known as _____________
(Answer : C)
???????? ???????? ???????????? a) Calcification ????b) Fixation ????c) Precipitation ????d)Accumulation
???????????? 15 ???? ????The ocean covers ________ percentage of Earth?s surf ace. (Answer : C)
???????? ???????? ???????????? a) 515 ????b) 0.61 ????c) 0.71 ????d)0.91
???????????? 16 ???? ????The portion of the earth and its environment which can support lif e is known as _________ (Answer : B)
???????? ???????? ???????????? a) Crust ????b) Biosphere ????c) Exosphere ????d)Atmosphere
???????????? 17 ???? ????What is troposphere? (Answer : C)
???????? ???????? ???????????? a) Portion of air ????b) Portion of water ????c) Lowest layer of atmosphere where we survive
????d)Portion of sky
???????????? 18 ???? ????The main energy source f or the environment is ________ (Answer : A)
???????? ???????? ???????????? a) Solar energy ????b) Chemical energy ????c) Bioelectric energy ????d)Electrical energy
???????????? 19 ???? ????What is UNCED? (Answer : C)
???????? ???????? ???????????? a) United Nations Conf erence on Education ????b) United Nations Conf erence on Environmental Day
????c) United Nations Conf erence on Environment and Development ????d)None of these.
???????????? 20 ???? ????Atmospheric humidity is measured by (Answer : C)
???????? ???????? ???????????? a) Auxanometer ????b) Photometer ????c) Hygrometer ????d)None
???????????? 21 ???? ????The area to which a species is biologically adapted to live is known (Answer : B)
???????? ???????? ???????????? a) Niche ????b) Habitat ????c) Succession ????d)Community
???????????? 22 ???? ????Study of inter-relationship between organisms and their environment is called (Answer : A)
???????? ???????? ???????????? a) Ecology ????b) Ecosystem ????c) Phytogeogr aphy ????d)Ethology
???????????? 23 ???? ????The term Ecology was coined by (Answer : B)
???????? ???????? ???????????? a) A.G.Tansley ????b) Earnst Haeckel ????c) Aristotle ????d)Linnaeus
???????????? 24 ???? ????An example of an abiotic component (Answer : B)
???????? ???????? ???????????? a) Plants ????b) Soil ????c) Animals ????d)Bacteria
???????????? 25 ???? ????The area to which a species is biologically adapted to live is known (Answer : B)
???????? ???????? ???????????? a) Niche ????b) Habitat ????c) Succession ????d)Community
???????????? 26 ???? ????The objective of environmental education is (Answer : D)
???????? ???????? ???????????? a) Raise consciousness about environmental education ????b) T o teach environmentally appropriate
behaviour ????c) Create an environmental ethic that f osters awareness about ecological inter-dependence of economics,
social and political ????d)All of the above
???????????? 27 ???? ????Which of the f ollowing is not influenced by human activities? (Answer : A)
???????? ???????? ???????????? a) Depletion of ground water ????b) Destruction of mangroves and wetlands ????c) Increased extinction
r ate of species ????d)None of the above
???????????? 28 ???? ????Environmental education is important only at (Answer : D)
???????? ???????? ???????????? a) Primary school stage ????b) Secondary school stage ????c) Collage stage ????d)All stages
???????????? 29 ???? ????Which of the f ollowing conceptual components of the environment are ef f ective tr ansporters of
matter? (Answer : A)
???????? ???????? ???????????? a) Atmosphere and hydrosphere ????b) (b) Atmosphere and lithosphere ????c) (c) Hydrosphere and
lithosphere ????d)(d) Lithosphere and biosphere
???????????? 30 ???? ????Biosphere is (Answer : B)
???????? ???????? ???????????? a) (a) The solid shell of inorganic materials on the surf ace of the Earth ????b) (b) The thin shell of
organic matter on the surf ace of earth comprising of all the living things ????c) (c) The sphere which occupies the
maximum volume of all the spheres ????d)(d) All of the above
???????????? 31 ???? ????Which of the f ollowing conceptual sphere of the environment is having the least stor age capacity f or
matter? (Answer : A)
???????? ???????? ???????????? a) (a) Atmosphere ????b) (b) Lithosphere ????c) (c) Hydrosphere ????d)(d) Biosphere
???????????? 32 ???? ????Which of the f ollowing is an example of impact of development activities on the Hydrosphere? (Answer
: D)
???????? ???????? ???????????? a) (a) Air pollution ????b) (b) Soil pollution ????c) (c) Soil erosion ????d)(d) Water pollution
???????????? 33 ???? ????Weather occurs in the Earths: (Answer : A)
???????? ???????? ???????????? a) (a) Troposhere ????b) (b) Mesophere ????c) (c) Ionosphere ????d)(d) Thermosphere
???????????? 34 ???? ????Biosphere is a term used to represent the: (Answer : C)
???????? ???????? ???????????? a) (a) Entire atmosphere consisting of troposphere, str atosphere, mesosphere, and thermosphere
????b) (b) Entire hydrosphere-representing the entire collection of water over the Earth as well as inside the Earth ????c) (c)
A small zone of Earth, where the lithosphere, hydrosphere, and atmosphere come in contact with one another ????d)(d)
Entire lithosphere-representing the solid Earth and its interior
???????????? 35 ???? ????The term ecology was introduced by: (Answer : A)
???????? ???????? ???????????? a) (a) Haeckel ????b) (b) Odum ????c) (c) Tansely ????d)(d) Ramdeo Mishr a
???????????? 36 ???? ????The study of inter actions between living and non-living organisms and environment is called (Answer :
B)
???????? ???????? ???????????? a) (a) Ecosystem ????b) (b) Ecology ????c) (c) Phyto-geogr aphy ????d)(d) Phytosociology
???????????? 37 ???? ????An ecosystem consist of (Answer : D)
???????? ???????? ???????????? a) (a) Green plants and animals ????b) (b) Green plants and decomposers ????c) (c) Producers and
consumers ????d)(d) Green plants, animals, decomposers and abiotic environment
???????????? 38 ???? ????The environment which has been modified by human activities is called (Answer : B)
???????? ???????? ???????????? a) (a) Natur al environment ????b) (b) Anthropogenic environment ????c) (c) Modem environment ????d)(d)
Urban environment
???????????? 39 ???? ????Which of the f ollowing statements is not true? (Answer : C)
???????? ???????? ???????????? a) (a) Inorganic nutrients are recycled in an ecosystem ????b) (b) Energy flows through the ecosystem
in the f orm of C-C bonds ????c) (c) Energy is recycled in an ecosystem ????d)(d) Respir ation process releases energy
???????????? 40 ???? ????Driving f orce in an ecosystem is (Answer : C)
???????? ???????? ???????????? a) (a) Plants ????b) (b) Producers ????c) (c) Solar energy ????d)(d) Biomass energy
???????????? 41 ???? ????Physical and chemical components of an ecosystem constitute (Answer : C)
???????? ???????? ???????????? a) (a) Biotic structure ????b) (b) Abioltic structure ????c) (c) Both of these ????d)(d) None of these
???????????? 42 ???? ????Which one of the f ollowing is an abiotic component of the ecosystem? (Answer : C)
???????? ???????? ???????????? a) (a) Bacteria ????b) (b) Plants ????c) (c) Humus ????d)(d) Fungi
???????????? 43 ???? ????Which of the f ollowing is a possible producer in an ecosystem? (Answer : A)
???????? ???????? ???????????? a) (a) Plants ????b) (b) Animals ????c) (c) Human beings ????d)(d) Fish
???????????? 44 ???? ????The organisms which f eed on dead organisms and excreta of living organisms are known (Answer : A)
???????? ???????? ???????????? a) (a) Decomposers ????b) (b) Consumers ????c) (c) Producers ????d)(d) Carnivores
???????????? 45 ???? ????A trophic level ref ers to: (Answer : C)
???????? ???????? ???????????? a) (a) Area in the tropics ????b) (b) An organism?s portion in a f ood chain ????c) (c) An organism?s
position in an ecosystem ????d)(d) An organism?s position in a biome
???????????? 46 ???? ????In a f ood chain animals constitute the: (Answer : C)
???????? ???????? ???????????? a) (a) First trophic level ????b) (b) Second trophic level ????c) (c) Intermediate trophic level ????d)(d)
Ultimate trophic level
???????????? 47 ???? ????The f ood chain in which microorganisms breakdown dead producers is called: (Answer : D)
???????? ???????? ???????????? a) (a) Consumer f ood chain ????b) (b) Predator f ood chain ????c) (c) Par asitic f ood chain ????d)(d) Detritus
f ood chain
???????????? 48 ???? ????Food chain starts with (Answer : A)
???????? ???????? ???????????? a) (a) Producer ????b) (b) Herbivores ????c) (c) Carnivores ????d)(d) Omnivores
???????????? 49 ???? ????In a f ood chain, humans are (Answer : D)
???????? ???????? ???????????? a) (a) Secondary consumers ????b) (b) Primary consumer ????c) (c) Producers ????d)(d) Primary and
secondary consumers both
???????????? 50 ???? ????Which one is the correct f ood chain? (Answer : A)
???????? ???????? ???????????? a) (a) Phytoplankton ?? Zooplankton ?? Fish ????b) (b) Zooplankton ?? Phytoplankton ?? Fish ????c)
(c) Zooplankton ?? Protozoans ?? Fish ????d)(d) Gr ass ?? Fish ?? Zooplankton
???????????? 51 ???? ????A f ood web consists of (Answer : A)
???????? ???????? ???????????? a) (a) Interlocking f ood chains ????b) (b) Producers, consumers and decomposers ????c) (c) A portion of
a f ood chain ????d)(d) A set of similar consumers
???????????? 52 ???? ????Food webs are (Answer : C)
???????? ???????? ???????????? a) (a) One kind of f ood ????b) (b) Not related to f ood chains at all ????c) (c) Inter-connected arr angement
of f ood chains ????d)(d) Linear arr angement of f ood chains
???????????? 53 ???? ????Pyr amid of number is given by (Answer : C)
???????? ???????? ???????????? a) (a) Haeckel ????b) (b) Odum ????c) (c) Elton ????d)(d) Tansely
???????????? 54 ???? ????Which ecological pyr amid is always upright? (Answer : C)
???????? ???????? ???????????? a) (a) Pyr amid of number ????b) (b) Pyr amid of biomass ????c) (c) Pyr amid of energy ????d)(d) Pyr amid of
number and biomass
???????????? 55 ???? ????An ecological pyr amid ref ers to the (Answer : D)
???????? ???????? ???????????? a) (a) Pyr amid of energy ????b) (b) Pyr amid of number ????c) (c) Pyr amid of biomass ????d)(d) All of the
above
???????????? 56 ???? ????An ecosystem may not undergo changes because: (Answer : A)
???????? ???????? ???????????? a) (a) It is in a state of homeostasis ????b) (b) It has plants and animals both ????c) (c) It gets solar
energy continuously ????d)(d) The decomposers are present in it
???????????? 57 ???? ????Energy flow in an ecosystem is always: (Answer : A)
???????? ???????? ???????????? a) (a) Unidirectional ????b) (b) Cyclic ????c) (c) Reversible ????d)(d) Multi-directional
???????????? 58 ???? ????The primary producers in a f orest ecosystem are: (Answer : A)
???????? ???????? ???????????? a) (a) Chlorophyll containing trees and plants ????b) (b) Herbivores ????c) (c) Carnivores ????d)(d) Bacteria
and other micro-organism
???????????? 59 ???? ????The desert among the f ollowing which is not a cold desert is: (Answer : D)
???????? ???????? ???????????? a) (a) Golbi desert ????b) (b) Patagonian desert ????c) (c) Atacama desert ????d)(d) Ma java desert
???????????? 60 ???? ????The darker zone in lakes where light penetr ation is negligible is called the: (Answer : D)
???????? ???????? ???????????? a) (a) Euphotic zone ????b) (b) Littor al zone ????c) (c) Limnetic zone ????d)(d) Benthic zone
???????????? 61 ???? ????The zone of a sea lying over the continental shelf is known as the: (Answer : B)
???????? ???????? ???????????? a) (a) Bathyl zone ????b) (b) Neritic zone ????c) (c) Abyssal zone ????d)(d) Littor al zone
???????????? 62 ???? ????Which one of the f ollowing is not a fresh water biome? (Answer : A)
???????? ???????? ???????????? a) (a) Lotic ????b) (b) Lentic ????c) (c) Spings ????d)(d) Deep sea
???????????? 63 ???? ????Tendency of pollutants to become concentr ated in successive trophic levels is known as: (Answer : A)
???????? ???????? ???????????? a) (a) Biomagnification ????b) (b) Biorhythm ????c) (c) Bioremediation ????d)(d) Biopir acy
???????????? 64 ???? ????Eutrophication is: (Answer : B)
???????? ???????? ???????????? a) (a) An improved water quality status of lakes ????b) (b) The result of accumulation of plant nutrients
in water bodies ????c) (c) A process in the carbon cycle ????d)(d) A water purification technique
???????????? 65 ???? ????Increase in f auna and decrease in flor a would be harmf ul due to increase in: (Answer : B)
???????? ???????? ???????????? a) (a) Diseases ????b) (b) CO ????c) (c) O2 ????d)(d) Radioactive pollution
???????????? 66 ???? ????The largest reservoir of nitrogen an our planet is: (Answer : B)
???????? ???????? ???????????? a) (a) Ocean ????b) (b) Atmosphere ????c) (c) Biosphere ????d)(d) Fossil f uels
???????????? 67 ???? ????Overgr azing results in: (Answer : A)
???????? ???????? ???????????? a) (a) Soil erosion ????b) (b) Retention of usef ul species ????c) (c) Productive soils ????d)(d) All of the
above
???????????? 68 ???? ????In the world, the economy of the India is: (Answer : D)
???????? ???????? ???????????? a) (a) Largest ????b) (b) Third largest ????c) (c) Second largest ????d)(d) Fourth largest
???????????? 69 ???? ????In services output, India is: (Answer : C)
???????? ???????? ???????????? a) 10 ????b) 12 ????c) 15 ????d)4
???????????? 70 ???? ?????Smog? is a mixture of (Answer : A)
???????? ???????? ???????????? a) a) Smoke and Fog ????b) (b) Snow and Fog ????c) ( c) Snow and Dust ????d)(d) Sulphur Dioxide and
Fog
???????????? 71 ???? ????A liquid f uel that was f ormed from the ancient remains of sea plants and animals is (Answer : B)
???????? ???????? ???????????? a) Natur al gasb ????b) Petroleumc ????c) Geothermal energyd ????d)Coal
???????????? 72 ???? ????A poisonous gas given out of vehicles exhaust is (Answer : A)
a) Carbon monoxideb ????b) Ethanec ????c) Methaned ????d)Carbon dioxide
???????????? 73 ???? ????A product of photosynthesis is (Answer : C)
???????? ???????? ???????????? a) Carbon dioxideb ????b) Waterc ????c) Oxygend ????d)Chlorophyll
???????????? 74 ???? ????Atmosphere consists of 79 percent Nitrogen and 21 percent Oxygen by (Answer : B)
???????? ???????? ???????????? a) Volumeb ????b) Weightc ????c) Densityd ????d)All of these
???????????? 75 ???? ????Biogas contains mainly (Answer : B)
???????? ???????? ???????????? a) Carbon dioxideb ????b) Methanec ????c) Butaned ????d)Propane
???????????? 76 ???? ????Carbon dioxide constitutes about 0.03% of the atmosphere (Answer : A)
???????? ???????? ???????????? a) By volume(b ????b) By weight(c ????c) By mass(d ????d)None of these
???????????? 77 ???? ????Development activities on the hydrosphere cause (Answer : C)
???????? ???????? ???????????? a) Air pollutionb ????b) Soil pollutionc ????c) Water pollutiond ????d)Soil erosion
???????????? 78 ???? ????Energy flow in an ecosystem is (Answer : C)
???????? ???????? ???????????? a) Bidirectionalb ????b) Unidirectionalc ????c) Multidirectionald ????d)All rounds
???????????? 79 ???? ????Energy from the heat inside the earth is (Answer : B)
???????? ???????? ???????????? a) a Natur al gas ????b) Geothermalc ????c) Petroleumd ????d)Terr athermal
???????????? 80 ???? ????Energy in the r ays from the sun is called (Answer : A)
???????? ???????? ???????????? a) Solar energyb ????b) Wind energyc ????c) Tidal energyd ????d)Water energy
???????????? 81 ???? ????Environment is the lif e support system that includes (Answer : D)
???????? ???????? ???????????? a) Airb ????b) Waterc ????c) Landd ????d)All of the above
???????????? 82 ???? ????Extensive planting of trees to increase cover is called (Answer : A)
???????? ???????? ???????????? a) Af f orestation(b ????b) Agrof orestation(c ????c) Def orestation(d ????d)Social f orestry
???????????? 83 ???? ????Extensive planting of trees to increase f orest cover is called (Answer : A)
???????? ???????? ???????????? a) Af f orestation, b ????b) Agrof orestry, c ????c) Def orestation, d ????d)Social f orestry
???????????? 84 ???? ????Forest and wild lif e are (Answer : A)
???????? ???????? ???????????? a) Renewable resource(b ????b) Non-renewable resources (c ????c) Inexhaustible resources (d ????d)None
of these
???????????? 85 ???? ????Forests prevent soil erosion by binding soil particles in their (Answer : B)
???????? ???????? ???????????? a) Leaves(b ????b) Roots(c ????c) Buds(d ????d)Stems
???????????? 86 ???? ????Formation of hole in Ozone is maximum over (Answer : C)
???????? ???????? ???????????? a) Indiab ????b) Europec ????c) Antarcticad ????d)Africa
???????????? 87 ???? ????Fossil f uel and metallic miner als are: (Answer : C)
???????? ???????? ???????????? a) Renewable resource (b ????b) Inexhaustible resources (c ????c) Non-renewable resources (d ????d)None
of these
???????????? 88 ???? ????Green house ef f ect is linked to (Answer : C)
???????? ???????? ???????????? a) Nitrogen oxidesb ????b) Sulphur dioxidesc ????c) Carbon dioxidesd ????d)Carbon monoxides
???????????? 89 ???? ????In our country the percentage of land under f orest is about: (Answer : B)
???????? ???????? ???????????? a) 20%(b ????b) 19%(c ????c) 25%(d ????d)30%
???????????? 90 ???? ????In respect of water crisis, there have been conflicts/disputes between two countries, or states of the
same country. Which of the f ollowing has never been the case of water conflict? (Answer : D)
???????? ???????? ???????????? a) Cauvery water dispute between Tamil Nadu and Karnataka (b ????b) Yamuna-Betwa dispute between
U.P. and M.P. (c ????c) Sutlej Yamuna Link (SYL ????d)canal dispute between Pun jab and Haryana (d
???????????? 91 ???? ????Instrumentation technology used to locate suitable places f or mining (Answer : C)
???????? ???????? ???????????? a) a) Microscope ????b) b) Salinometer ????c) c) GIS ????d)d) camer a tr ap
???????????? 92 ???? ????Kaveri water dispute is in between: (Answer : D)
???????? ???????? ???????????? a) India and Pakistan (b ????b) Pun jab and Haryana (c ????c) Uttar Pr adesh and Madhya Pr adesh (d
????d)Karnataka and Tamil Nadu
???????????? 93 ???? ????Khetri (Ra jasthan) is f amous f or: (Answer : B)
???????? ???????? ???????????? a) Coal mines(b ????b) Copper mines(c ????c) Gr anite stone(d ????d)Marble stone
???????????? 94 ???? ????Main source of acid r ain is (Answer : A)
???????? ???????? ???????????? a) Sulphur dioxideb ????b) Nitrogenc ????c) Carbon dioxided ????d)Carbon monoxide
???????????? 95 ???? ????Ma jor consumer of wood from f orest is ___________ (Answer : B)
???????? ???????? ???????????? a) Thermal Power Plant ????b) Paper Industry ????c) Chemistry Industry ????d)none
???????????? 96 ???? ????Moisture in the air is known as (Answer : D)
???????? ???????? ???????????? a) a) Water ????b) (b) Fog ????c) ( c) Snow ????d)(d) Humidity
???????????? 97 ???? ????Name the country which virtually closed cod fishery in the 1990?s due to depletion of fish reserves
(Answer : A)
???????? ???????? ???????????? a) a) Canada ????b) b) Argentina ????c) c) Italy ????d)d) India
???????????? 98 ???? ????Name the financial agency which hesistate to support the Sardar Sarovar Pro ject in India in 1993 a result
of the demands of local people threatened with the loss of their livelihoods and homes in the submergence area.
(Answer : B)
???????? ???????? ???????????? a) a) Swiss bank ????b) b) World Bank ????c) c) Bank of India ????d)d) International Monetary Fund
???????????? 99 ???? ????Nitrogen constitutes about 78% of the atmosphere (Answer : C)
???????? ???????? ???????????? a) By weight(b ????b) By mass(c ????c) By volume(d ????d)None of these
???????????? 100 ???? ????Noise is measured by sound meter and the unit is (Answer : C)
???????? ???????? ???????????? a) Hertzb ????b) Joulec ????c) Decibeld ????d)Seconds
???????????? 101 ???? ????One of India?s serious environmental problems is f orest degr adation. What is the main cause of f orest
degr adation? (Answer : A)
???????? ???????? ???????????? a) timber extr action ????b) honey extr action ????c) high altitude ????d)Low Rainf all
???????????? 102 ???? ????Ozone day is observed on (Answer : B)
???????? ???????? ???????????? a) 3rd Januaryb ????b) 16th Septemberc ????c) 10th Novemberd ????d)26th March
???????????? 103 ???? ????Ozone Umbrella is located in which layer of atmosphere (Answer : B)
???????? ???????? ???????????? a) a) Troposphere ????b) (b) Str atosphere ????c) (c) Mesosphere ????d)(d) Ionosphere
???????????? 104 ???? ????Peeling of Ozone umbrella, which protects us from UV r ays, is caused by (Answer : B)
???????? ???????? ???????????? a) Carbon monoxideb ????b) CFCsc ????c) Coal burningd ????d)Methane
???????????? 105 ???? ????Soil erosion removes surf ace soil which contains (Answer : A)
???????? ???????? ???????????? a) Organic matterb ????b) Plant nutrientsc ????c) Both a and bd ????d)none of the above
???????????? 106 ???? ????Sustainable development means (Answer : C)
???????? ???????? ???????????? a) a. meeting present needs without compromising on f uture needs ????b) b. progress of human beings
????c) c. balance between human needs and the ability of earth to provide the resources ????d)d. all of the above
???????????? 107 ???? ????The adverse ef f ect of modern agriculture is (Answer : B)
???????? ???????? ???????????? a) Water pollutionb ????b) Soil degr adationc ????c) Water loggingd ????d)All of the above
???????????? 108 ???? ????The f ossil f uel that is derived from the dead remains of plants that grew some 250 million years ago is
(Answer : C)
???????? ???????? ???????????? a) Petroleumb ????b) Natur al gasc ????c) Coald ????d)LPG
???????????? 109 ???? ????The impact of construction of dams (Answer : D)
???????? ???????? ???????????? a) Submerged f orest b ????b) Loss of wild lif e habitat c ????c) Damages downstream ecosystem d ????d)All
of the above
???????????? 110 ???? ????The ma jor cause f or land degr adation in our country is (Answer : A)
???????? ???????? ???????????? a) Soil erosion(b ????b) Pollution of soil(c ????c) Water-logging(d ????d)None of the above
???????????? 111 ???? ????The ma jor reason f or floods in the rivers Ganges and Br ahmaputr a is ________ (Answer : B)
???????? ???????? ???????????? a) a) Dams in Himalayas ????b) b) Def orestation in Himalayas ????c) c) Heavy r ains ????d)d) Melting of ice
???????????? 112 ???? ????The method of r ainwater harvesting which can be adopted by individual house owners is (Answer : D)
???????? ???????? ???????????? a) Construction of recharge trenches (b ????b) On channel stor age of water (c ????c) Creation of new
water bodies (d ????d)Roof-top r ainwater harvesting
???????????? 113 ???? ????The percentage of total world?s precipitation, which is lost to the atmosphere through evapor ation,
approximates to: (Answer : A)
???????? ???????? ???????????? a) 57%(b ????b) 7%(c ????c) 37%(d ????d)43%
???????????? 114 ???? ????The process of restoring f orests that once existed but was removed at some time in the past is known
as (Answer : B)
???????? ???????? ???????????? a) Af f orestationb ????b) Ref orestationc ????c) Def orestationd ????d)None of these
???????????? 115 ???? ????The share of Hydropower (Hydel pro jects) in worlds commercial electricity production is less than ________
(Answer : D)
???????? ???????? ???????????? a) 2.00% ????b) 4.00% ????c) 12.00% ????d)20.00%
???????????? 116 ???? ????The species restricted to be present in one region are called (Answer : B)
???????? ???????? ???????????? a) Edge speciesb ????b) Endemic species c ????c) Endangered species d ????d)Keystone species
???????????? 117 ???? ????The teeth are likely to be pitted, more susceptible to cavities and wear, when the fluoride concentr ation
is: (Answer : D)
???????? ???????? ???????????? a) More than 2 mg/1 (b ????b) More than 40 mg/1 (c ????c) More than 20 mg/1 (d ????d)More than 4 mg/1
???????????? 118 ???? ????The term ?Environment? has been derived from the French word which means to encircle or surround
(Answer : A)
???????? ???????? ???????????? a) Environb ????b) Oikosc ????c) Geod ????d)Aqua
???????????? 119 ???? ????Wetlands in the flood plains of rivers are also considered as nature?s ________ (Answer : C)
???????? ???????? ???????????? a) a) Heat sink ????b) b) carbon sink ????c) c) flood control systems ????d)d) swimming pool
???????????? 120 ???? ????What are rodenticides? (Answer : C)
???????? ???????? ???????????? a) that kill fishes ????b) that kill insects ????c) that kill r ats ????d)that kill crocos
???????????? 121 ???? ????What is Kyoto Protocol? (Answer : A)
???????? ???????? ???????????? a) a. It is an agreement among countries to take steps f or reducing global warming. ????b) b. It is an
agreement among countries to take steps f or reducing acid r ain. ????c) c. It is an agreement among countries to take steps
f or planting trees to control pollution. ????d)d. It is an agreement among countries to start using nuclear energy.
???????????? 122 ???? ????What is the ma jor limiting f actor in the arid areas of our country? (Answer : C)
???????? ???????? ???????????? a) a) Money ????b) b) f orests ????c) c) water ????d)d) soil
???????????? 123 ???? ????What kind of people are the most ill-af f ected by the construction of dams? (Answer : D)
???????? ???????? ???????????? a) a) Urban dwellers ????b) b) beach dwellers ????c) c) tourists ????d)d) tribal people
???????????? 124 ???? ????When fluoride concentr ation in H2O exceeds about 1.5 mg/1, the disease that may be caused, is
(Answer : B)
???????? ???????? ???????????? a) Dental caries in children(b ????b) Fluorosis(c ????c) Polymyelitis(d ????d)Methemoglobinemia
???????????? 125 ???? ????Which among the f ollowing is a sedimentary type of cycle? (Answer : A)
???????? ???????? ???????????? a) Sulphur cycle(b ????b) Nitrogen cycle(c ????c) Oxygen cycle(d ????d)Carbon cycle
???????????? 126 ???? ????Which gas is responsible f or ozone layer depletion around earth? (Answer : B)
???????? ???????? ???????????? a) Carbon dioxideb ????b) Chlorofluorocarbonsc ????c) Oxygend ????d)Nitrogen oxide
???????????? 127 ???? ????Which gas is responsible f or the global warming? (Answer : B)
???????? ???????? ???????????? a) Nitrogenb ????b) Carbon dioxidec ????c) Noble gasesd ????d)Hydrogen
???????????? 128 ???? ????Which is a list of renewable resources? (Answer : D)
???????? ???????? ???????????? a) Petroleum, geothermal, wind b ????b) Biomass, geothermal, hydropower c ????c) Natur al gas, wind,
biomass d ????d)Hydropower, solar, wind energy
???????????? 129 ???? ????Which is the only country who has not r atified the Kyoto Protocol yet? (Answer : A)
???????? ???????? ???????????? a) United States ????b) Austr alia ????c) Japan ????d)India
???????????? 130 ???? ????Which of below items is the ma jor sector which extr acts most of fresh water available f or utilization?
(Answer : D)
???????? ???????? ???????????? a) domestic use ????b) drinking water ????c) bever age industry ????d)agriculture
???????????? 131 ???? ????Which of the f ollowing are consequences of ozone depletion (Answer : A)
???????? ???????? ???????????? a) Skin cancer and catar actb ????b) Reduced growth in plants c ????c) Shortening of zooplanktons and
their breeding period d ????d)All of the above
???????????? 132 ???? ????Which of the f ollowing are ma jor environmental issues involved in mining? (Answer : D)
???????? ???????? ???????????? a) air pollutionb ????b) water pollutionc ????c) soil degr adationd ????d)all of the above
???????????? 133 ???? ????Which of the f ollowing ef f ect is responsible f or Global Warming? (Answer : A)
???????? ???????? ???????????? a) Green house ef f ectb ????b) Radioactive ef f ectc ????c) Solar ef f ectd ????d)Nuclear ef f ect
???????????? 134 ???? ????Which of the f ollowing is management option f or air pollution? (Answer : D)
???????? ???????? ???????????? a) Regulations and standardsb ????b) Tr ansport planningc ????c) Using CNG as f ueld ????d)All of these
???????????? 135 ???? ????Which of the f ollowing is not a method f or water conservation? (Answer : B)
???????? ???????? ???????????? a) Rainwater harvesting(b ????b) Groundwater extr action (c ????c) Improving irrigation ef ficiency (d
????d)Avoiding water wastage
???????????? 136 ???? ????Which of the f ollowing is not a viable protection against def orestation? (Answer : C)
???????? ???????? ???????????? a) Reduce the consumption of f orest and related products (b ????b) Boycott products of companies
involve in def orestation (c ????c) Privatisation of f orest land (d ????d)Environmental education
???????????? 137 ???? ????Which of the f ollowing is not influenced by human activities? (Answer : D)
???????? ???????? ???????????? a) Destruction of mangroves and wetlands b ????b) Depletion of ground water c ????c) Increased
extinction r ate of species d ????d)None of the above
???????????? 138 ???? ????Which of the f ollowing is not true about def orestation? (Answer : C)
???????? ???????? ???????????? a) Population explosion is one of the reasons f or def orestation (b ????b) Cleaning of f orest f or
agriculture causes def orestation. (c ????c) Def orestation is taking place only in developing courtiers. (d ????d)Cash crop
economy of third world is a cause of def orestation.
???????????? 139 ???? ????Which of the f ollowing is responsible f or desertification? (Answer : D)
???????? ???????? ???????????? a) Def orestation(b ????b) Mining(c ????c) Overgr azing(d ????d)All of the above
???????????? 140 ???? ????Which of the f ollowing statements about the f orest is not correct? (Answer : D)
???????? ???????? ???????????? a) Forest reduces soil erosion (b ????b) Provides recreational opportunities (c ????c) Provides economic
development (d ????d)None of the above
???????????? 141 ???? ????Which of these is not a f ossil f uel? (Answer : D)
???????? ???????? ???????????? a) Coalb ????b) Oilc ????c) Natur al gasd ????d)Ur anium
???????????? 142 ???? ????Which one of the f ollowing is not an ideal solution f or tackling water shortages? (Answer : D)
???????? ???????? ???????????? a) Controlling population growth (b ????b) Conserving water in irrigation (c ????c) Controlling water
pollution (d ????d)Drilling large number of deep bore wells
???????????? 143 ???? ????Which one of the f ollowing regions in India is a hotspot of biodiversity? (Answer : B)
???????? ???????? ???????????? a) Sundarbansb ????b) Western Ghatsc ????c) Eastern Ghatsd ????d)Gangetic plains
???????????? 144 ???? ????World environment day is on: (Answer : B)
???????? ???????? ???????????? a) 5th Mayb ????b) 5th Junec ????c) 18th Julyd ????d)16th August
???????????? 145 ???? ????World Forest day is celebr ated on (Answer : A)
???????? ???????? ???????????? a) 21st March b ????b) 5th June c ????c) 1st Dec d ????d)7th June
???????????? 146 ???? ????Yellowing of Ta j Mahal is an ef f ect of (Answer : A)
???????? ???????? ???????????? a) Acid r ainb ????b) Global warmingc ????c) Ozone depletiond ????d)All of the above
???????????? 147 ???? ????Green Revolution in India was initiated by __________ (Answer : A)
???????? ???????? ???????????? a) M.S. Swaminathan ????b) Sunderlal Bahuguna ????c) Kurien ????d)Medha Patkar
???????????? 148 ???? ????Who wrote the book Violence of Green Revolution (Answer : A)
???????? ???????? ???????????? a) Vandana Siva ????b) Sheela Dikshit ????c) Menaka Gandhi ????d)Arundhathi Roy.
???????????? 149 ???? ????World Forest day is celebr ated on (Answer : A)
???????? ???????? ???????????? a) 21st March ????b) 5th June ????c) 1st Dec ????d)7th June
???????????? 150 ???? ????The Chipko movement is started by (Answer : B)
???????? ???????? ???????????? a) Engler ????b) Sunderlal Bahuguna ????c) Medha Padkar ????d)None of these
???????????? 151 ???? ????Green revolution is associated with _________ (Answer : B)
???????? ???????? ???????????? a) sericulture ????b) Agriculture ????c) Fish culture ????d)silviculture
???????????? 152 ???? ????Which gas is likely to be reduced in the atmosphere by def orestation? (Answer : C)
???????? ???????? ???????????? a) Carbon dioxide ????b) Nitrogen ????c) Oxygen ????d)Sulphur dioxide
???????????? 153 ???? ????Extensive planting of trees to increase f orest cover is called (Answer : A)
???????? ???????? ???????????? a) Af f orestation ????b) Agrof orestry ????c) Def orestation ????d)Social f orestry
???????????? 154 ???? ????Soil erosion can be prevented by (Answer : B)
???????? ???????? ???????????? a) Def orestation ????b) Af f orestation ????c) Overgr azing ????d)Removal of vegetation
???????????? 155 ???? ????The components of LPG are _____________ (Answer : B)
???????? ???????? ???????????? a) Methane & Hexane ????b) Propane & Butane ????c) Ethane & Methane ????d)Propane & Ethane
???????????? 156 ???? ????Which of the f ollowing is the most responsible f or world water crisis? (Answer : C)
???????? ???????? ???????????? a) Dams ????b) Floods ????c) Drought ????d)Population growth
???????????? 157 ???? ????The resources that can be replaced by natur al ecological cycle is called (Answer : A)
???????? ???????? ???????????? a) Renewable ????b) Non-renewable ????c) exhaustible ????d)natur al
???????????? 158 ???? ????The amount of solar r adiation reaching the surf ace of the earth is called (Answer : A)
???????? ???????? ???????????? a) Solar flux ????b) reflected light ????c) miner als ????d)solvents
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???????????? 12 ???? ????World Environment Day (Answer : A)
???????? ???????? ???????????? a) 5th June ????b) 5th July ????c) 5th August ????d)5th September
???????????? 13 ???? ????The biggest award f or environmental activities in India is given in the name of an individual. In whose
name is it constituted? (Answer : C)
???????? ???????? ???????????? a) Lal Bahadur Shasthri ????b) Mor ar ji Desai ????c) Indir a Gandhi ????d)Kamar a j.
???????????? 14 ???? ????All f orms of water that comes down on Earth, including r ain, snow, hail etc. is known as _____________
(Answer : C)
???????? ???????? ???????????? a) Calcification ????b) Fixation ????c) Precipitation ????d)Accumulation
???????????? 15 ???? ????The ocean covers ________ percentage of Earth?s surf ace. (Answer : C)
???????? ???????? ???????????? a) 515 ????b) 0.61 ????c) 0.71 ????d)0.91
???????????? 16 ???? ????The portion of the earth and its environment which can support lif e is known as _________ (Answer : B)
???????? ???????? ???????????? a) Crust ????b) Biosphere ????c) Exosphere ????d)Atmosphere
???????????? 17 ???? ????What is troposphere? (Answer : C)
???????? ???????? ???????????? a) Portion of air ????b) Portion of water ????c) Lowest layer of atmosphere where we survive
????d)Portion of sky
???????????? 18 ???? ????The main energy source f or the environment is ________ (Answer : A)
???????? ???????? ???????????? a) Solar energy ????b) Chemical energy ????c) Bioelectric energy ????d)Electrical energy
???????????? 19 ???? ????What is UNCED? (Answer : C)
???????? ???????? ???????????? a) United Nations Conf erence on Education ????b) United Nations Conf erence on Environmental Day
????c) United Nations Conf erence on Environment and Development ????d)None of these.
???????????? 20 ???? ????Atmospheric humidity is measured by (Answer : C)
???????? ???????? ???????????? a) Auxanometer ????b) Photometer ????c) Hygrometer ????d)None
???????????? 21 ???? ????The area to which a species is biologically adapted to live is known (Answer : B)
???????? ???????? ???????????? a) Niche ????b) Habitat ????c) Succession ????d)Community
???????????? 22 ???? ????Study of inter-relationship between organisms and their environment is called (Answer : A)
???????? ???????? ???????????? a) Ecology ????b) Ecosystem ????c) Phytogeogr aphy ????d)Ethology
???????????? 23 ???? ????The term Ecology was coined by (Answer : B)
???????? ???????? ???????????? a) A.G.Tansley ????b) Earnst Haeckel ????c) Aristotle ????d)Linnaeus
???????????? 24 ???? ????An example of an abiotic component (Answer : B)
???????? ???????? ???????????? a) Plants ????b) Soil ????c) Animals ????d)Bacteria
???????????? 25 ???? ????The area to which a species is biologically adapted to live is known (Answer : B)
???????? ???????? ???????????? a) Niche ????b) Habitat ????c) Succession ????d)Community
???????????? 26 ???? ????The objective of environmental education is (Answer : D)
???????? ???????? ???????????? a) Raise consciousness about environmental education ????b) T o teach environmentally appropriate
behaviour ????c) Create an environmental ethic that f osters awareness about ecological inter-dependence of economics,
social and political ????d)All of the above
???????????? 27 ???? ????Which of the f ollowing is not influenced by human activities? (Answer : A)
???????? ???????? ???????????? a) Depletion of ground water ????b) Destruction of mangroves and wetlands ????c) Increased extinction
r ate of species ????d)None of the above
???????????? 28 ???? ????Environmental education is important only at (Answer : D)
???????? ???????? ???????????? a) Primary school stage ????b) Secondary school stage ????c) Collage stage ????d)All stages
???????????? 29 ???? ????Which of the f ollowing conceptual components of the environment are ef f ective tr ansporters of
matter? (Answer : A)
???????? ???????? ???????????? a) Atmosphere and hydrosphere ????b) (b) Atmosphere and lithosphere ????c) (c) Hydrosphere and
lithosphere ????d)(d) Lithosphere and biosphere
???????????? 30 ???? ????Biosphere is (Answer : B)
???????? ???????? ???????????? a) (a) The solid shell of inorganic materials on the surf ace of the Earth ????b) (b) The thin shell of
organic matter on the surf ace of earth comprising of all the living things ????c) (c) The sphere which occupies the
maximum volume of all the spheres ????d)(d) All of the above
???????????? 31 ???? ????Which of the f ollowing conceptual sphere of the environment is having the least stor age capacity f or
matter? (Answer : A)
???????? ???????? ???????????? a) (a) Atmosphere ????b) (b) Lithosphere ????c) (c) Hydrosphere ????d)(d) Biosphere
???????????? 32 ???? ????Which of the f ollowing is an example of impact of development activities on the Hydrosphere? (Answer
: D)
???????? ???????? ???????????? a) (a) Air pollution ????b) (b) Soil pollution ????c) (c) Soil erosion ????d)(d) Water pollution
???????????? 33 ???? ????Weather occurs in the Earths: (Answer : A)
???????? ???????? ???????????? a) (a) Troposhere ????b) (b) Mesophere ????c) (c) Ionosphere ????d)(d) Thermosphere
???????????? 34 ???? ????Biosphere is a term used to represent the: (Answer : C)
???????? ???????? ???????????? a) (a) Entire atmosphere consisting of troposphere, str atosphere, mesosphere, and thermosphere
????b) (b) Entire hydrosphere-representing the entire collection of water over the Earth as well as inside the Earth ????c) (c)
A small zone of Earth, where the lithosphere, hydrosphere, and atmosphere come in contact with one another ????d)(d)
Entire lithosphere-representing the solid Earth and its interior
???????????? 35 ???? ????The term ecology was introduced by: (Answer : A)
???????? ???????? ???????????? a) (a) Haeckel ????b) (b) Odum ????c) (c) Tansely ????d)(d) Ramdeo Mishr a
???????????? 36 ???? ????The study of inter actions between living and non-living organisms and environment is called (Answer :
B)
???????? ???????? ???????????? a) (a) Ecosystem ????b) (b) Ecology ????c) (c) Phyto-geogr aphy ????d)(d) Phytosociology
???????????? 37 ???? ????An ecosystem consist of (Answer : D)
???????? ???????? ???????????? a) (a) Green plants and animals ????b) (b) Green plants and decomposers ????c) (c) Producers and
consumers ????d)(d) Green plants, animals, decomposers and abiotic environment
???????????? 38 ???? ????The environment which has been modified by human activities is called (Answer : B)
???????? ???????? ???????????? a) (a) Natur al environment ????b) (b) Anthropogenic environment ????c) (c) Modem environment ????d)(d)
Urban environment
???????????? 39 ???? ????Which of the f ollowing statements is not true? (Answer : C)
???????? ???????? ???????????? a) (a) Inorganic nutrients are recycled in an ecosystem ????b) (b) Energy flows through the ecosystem
in the f orm of C-C bonds ????c) (c) Energy is recycled in an ecosystem ????d)(d) Respir ation process releases energy
???????????? 40 ???? ????Driving f orce in an ecosystem is (Answer : C)
???????? ???????? ???????????? a) (a) Plants ????b) (b) Producers ????c) (c) Solar energy ????d)(d) Biomass energy
???????????? 41 ???? ????Physical and chemical components of an ecosystem constitute (Answer : C)
???????? ???????? ???????????? a) (a) Biotic structure ????b) (b) Abioltic structure ????c) (c) Both of these ????d)(d) None of these
???????????? 42 ???? ????Which one of the f ollowing is an abiotic component of the ecosystem? (Answer : C)
???????? ???????? ???????????? a) (a) Bacteria ????b) (b) Plants ????c) (c) Humus ????d)(d) Fungi
???????????? 43 ???? ????Which of the f ollowing is a possible producer in an ecosystem? (Answer : A)
???????? ???????? ???????????? a) (a) Plants ????b) (b) Animals ????c) (c) Human beings ????d)(d) Fish
???????????? 44 ???? ????The organisms which f eed on dead organisms and excreta of living organisms are known (Answer : A)
???????? ???????? ???????????? a) (a) Decomposers ????b) (b) Consumers ????c) (c) Producers ????d)(d) Carnivores
???????????? 45 ???? ????A trophic level ref ers to: (Answer : C)
???????? ???????? ???????????? a) (a) Area in the tropics ????b) (b) An organism?s portion in a f ood chain ????c) (c) An organism?s
position in an ecosystem ????d)(d) An organism?s position in a biome
???????????? 46 ???? ????In a f ood chain animals constitute the: (Answer : C)
???????? ???????? ???????????? a) (a) First trophic level ????b) (b) Second trophic level ????c) (c) Intermediate trophic level ????d)(d)
Ultimate trophic level
???????????? 47 ???? ????The f ood chain in which microorganisms breakdown dead producers is called: (Answer : D)
???????? ???????? ???????????? a) (a) Consumer f ood chain ????b) (b) Predator f ood chain ????c) (c) Par asitic f ood chain ????d)(d) Detritus
f ood chain
???????????? 48 ???? ????Food chain starts with (Answer : A)
???????? ???????? ???????????? a) (a) Producer ????b) (b) Herbivores ????c) (c) Carnivores ????d)(d) Omnivores
???????????? 49 ???? ????In a f ood chain, humans are (Answer : D)
???????? ???????? ???????????? a) (a) Secondary consumers ????b) (b) Primary consumer ????c) (c) Producers ????d)(d) Primary and
secondary consumers both
???????????? 50 ???? ????Which one is the correct f ood chain? (Answer : A)
???????? ???????? ???????????? a) (a) Phytoplankton ?? Zooplankton ?? Fish ????b) (b) Zooplankton ?? Phytoplankton ?? Fish ????c)
(c) Zooplankton ?? Protozoans ?? Fish ????d)(d) Gr ass ?? Fish ?? Zooplankton
???????????? 51 ???? ????A f ood web consists of (Answer : A)
???????? ???????? ???????????? a) (a) Interlocking f ood chains ????b) (b) Producers, consumers and decomposers ????c) (c) A portion of
a f ood chain ????d)(d) A set of similar consumers
???????????? 52 ???? ????Food webs are (Answer : C)
???????? ???????? ???????????? a) (a) One kind of f ood ????b) (b) Not related to f ood chains at all ????c) (c) Inter-connected arr angement
of f ood chains ????d)(d) Linear arr angement of f ood chains
???????????? 53 ???? ????Pyr amid of number is given by (Answer : C)
???????? ???????? ???????????? a) (a) Haeckel ????b) (b) Odum ????c) (c) Elton ????d)(d) Tansely
???????????? 54 ???? ????Which ecological pyr amid is always upright? (Answer : C)
???????? ???????? ???????????? a) (a) Pyr amid of number ????b) (b) Pyr amid of biomass ????c) (c) Pyr amid of energy ????d)(d) Pyr amid of
number and biomass
???????????? 55 ???? ????An ecological pyr amid ref ers to the (Answer : D)
???????? ???????? ???????????? a) (a) Pyr amid of energy ????b) (b) Pyr amid of number ????c) (c) Pyr amid of biomass ????d)(d) All of the
above
???????????? 56 ???? ????An ecosystem may not undergo changes because: (Answer : A)
???????? ???????? ???????????? a) (a) It is in a state of homeostasis ????b) (b) It has plants and animals both ????c) (c) It gets solar
energy continuously ????d)(d) The decomposers are present in it
???????????? 57 ???? ????Energy flow in an ecosystem is always: (Answer : A)
???????? ???????? ???????????? a) (a) Unidirectional ????b) (b) Cyclic ????c) (c) Reversible ????d)(d) Multi-directional
???????????? 58 ???? ????The primary producers in a f orest ecosystem are: (Answer : A)
???????? ???????? ???????????? a) (a) Chlorophyll containing trees and plants ????b) (b) Herbivores ????c) (c) Carnivores ????d)(d) Bacteria
and other micro-organism
???????????? 59 ???? ????The desert among the f ollowing which is not a cold desert is: (Answer : D)
???????? ???????? ???????????? a) (a) Golbi desert ????b) (b) Patagonian desert ????c) (c) Atacama desert ????d)(d) Ma java desert
???????????? 60 ???? ????The darker zone in lakes where light penetr ation is negligible is called the: (Answer : D)
???????? ???????? ???????????? a) (a) Euphotic zone ????b) (b) Littor al zone ????c) (c) Limnetic zone ????d)(d) Benthic zone
???????????? 61 ???? ????The zone of a sea lying over the continental shelf is known as the: (Answer : B)
???????? ???????? ???????????? a) (a) Bathyl zone ????b) (b) Neritic zone ????c) (c) Abyssal zone ????d)(d) Littor al zone
???????????? 62 ???? ????Which one of the f ollowing is not a fresh water biome? (Answer : A)
???????? ???????? ???????????? a) (a) Lotic ????b) (b) Lentic ????c) (c) Spings ????d)(d) Deep sea
???????????? 63 ???? ????Tendency of pollutants to become concentr ated in successive trophic levels is known as: (Answer : A)
???????? ???????? ???????????? a) (a) Biomagnification ????b) (b) Biorhythm ????c) (c) Bioremediation ????d)(d) Biopir acy
???????????? 64 ???? ????Eutrophication is: (Answer : B)
???????? ???????? ???????????? a) (a) An improved water quality status of lakes ????b) (b) The result of accumulation of plant nutrients
in water bodies ????c) (c) A process in the carbon cycle ????d)(d) A water purification technique
???????????? 65 ???? ????Increase in f auna and decrease in flor a would be harmf ul due to increase in: (Answer : B)
???????? ???????? ???????????? a) (a) Diseases ????b) (b) CO ????c) (c) O2 ????d)(d) Radioactive pollution
???????????? 66 ???? ????The largest reservoir of nitrogen an our planet is: (Answer : B)
???????? ???????? ???????????? a) (a) Ocean ????b) (b) Atmosphere ????c) (c) Biosphere ????d)(d) Fossil f uels
???????????? 67 ???? ????Overgr azing results in: (Answer : A)
???????? ???????? ???????????? a) (a) Soil erosion ????b) (b) Retention of usef ul species ????c) (c) Productive soils ????d)(d) All of the
above
???????????? 68 ???? ????In the world, the economy of the India is: (Answer : D)
???????? ???????? ???????????? a) (a) Largest ????b) (b) Third largest ????c) (c) Second largest ????d)(d) Fourth largest
???????????? 69 ???? ????In services output, India is: (Answer : C)
???????? ???????? ???????????? a) 10 ????b) 12 ????c) 15 ????d)4
???????????? 70 ???? ?????Smog? is a mixture of (Answer : A)
???????? ???????? ???????????? a) a) Smoke and Fog ????b) (b) Snow and Fog ????c) ( c) Snow and Dust ????d)(d) Sulphur Dioxide and
Fog
???????????? 71 ???? ????A liquid f uel that was f ormed from the ancient remains of sea plants and animals is (Answer : B)
???????? ???????? ???????????? a) Natur al gasb ????b) Petroleumc ????c) Geothermal energyd ????d)Coal
???????????? 72 ???? ????A poisonous gas given out of vehicles exhaust is (Answer : A)
a) Carbon monoxideb ????b) Ethanec ????c) Methaned ????d)Carbon dioxide
???????????? 73 ???? ????A product of photosynthesis is (Answer : C)
???????? ???????? ???????????? a) Carbon dioxideb ????b) Waterc ????c) Oxygend ????d)Chlorophyll
???????????? 74 ???? ????Atmosphere consists of 79 percent Nitrogen and 21 percent Oxygen by (Answer : B)
???????? ???????? ???????????? a) Volumeb ????b) Weightc ????c) Densityd ????d)All of these
???????????? 75 ???? ????Biogas contains mainly (Answer : B)
???????? ???????? ???????????? a) Carbon dioxideb ????b) Methanec ????c) Butaned ????d)Propane
???????????? 76 ???? ????Carbon dioxide constitutes about 0.03% of the atmosphere (Answer : A)
???????? ???????? ???????????? a) By volume(b ????b) By weight(c ????c) By mass(d ????d)None of these
???????????? 77 ???? ????Development activities on the hydrosphere cause (Answer : C)
???????? ???????? ???????????? a) Air pollutionb ????b) Soil pollutionc ????c) Water pollutiond ????d)Soil erosion
???????????? 78 ???? ????Energy flow in an ecosystem is (Answer : C)
???????? ???????? ???????????? a) Bidirectionalb ????b) Unidirectionalc ????c) Multidirectionald ????d)All rounds
???????????? 79 ???? ????Energy from the heat inside the earth is (Answer : B)
???????? ???????? ???????????? a) a Natur al gas ????b) Geothermalc ????c) Petroleumd ????d)Terr athermal
???????????? 80 ???? ????Energy in the r ays from the sun is called (Answer : A)
???????? ???????? ???????????? a) Solar energyb ????b) Wind energyc ????c) Tidal energyd ????d)Water energy
???????????? 81 ???? ????Environment is the lif e support system that includes (Answer : D)
???????? ???????? ???????????? a) Airb ????b) Waterc ????c) Landd ????d)All of the above
???????????? 82 ???? ????Extensive planting of trees to increase cover is called (Answer : A)
???????? ???????? ???????????? a) Af f orestation(b ????b) Agrof orestation(c ????c) Def orestation(d ????d)Social f orestry
???????????? 83 ???? ????Extensive planting of trees to increase f orest cover is called (Answer : A)
???????? ???????? ???????????? a) Af f orestation, b ????b) Agrof orestry, c ????c) Def orestation, d ????d)Social f orestry
???????????? 84 ???? ????Forest and wild lif e are (Answer : A)
???????? ???????? ???????????? a) Renewable resource(b ????b) Non-renewable resources (c ????c) Inexhaustible resources (d ????d)None
of these
???????????? 85 ???? ????Forests prevent soil erosion by binding soil particles in their (Answer : B)
???????? ???????? ???????????? a) Leaves(b ????b) Roots(c ????c) Buds(d ????d)Stems
???????????? 86 ???? ????Formation of hole in Ozone is maximum over (Answer : C)
???????? ???????? ???????????? a) Indiab ????b) Europec ????c) Antarcticad ????d)Africa
???????????? 87 ???? ????Fossil f uel and metallic miner als are: (Answer : C)
???????? ???????? ???????????? a) Renewable resource (b ????b) Inexhaustible resources (c ????c) Non-renewable resources (d ????d)None
of these
???????????? 88 ???? ????Green house ef f ect is linked to (Answer : C)
???????? ???????? ???????????? a) Nitrogen oxidesb ????b) Sulphur dioxidesc ????c) Carbon dioxidesd ????d)Carbon monoxides
???????????? 89 ???? ????In our country the percentage of land under f orest is about: (Answer : B)
???????? ???????? ???????????? a) 20%(b ????b) 19%(c ????c) 25%(d ????d)30%
???????????? 90 ???? ????In respect of water crisis, there have been conflicts/disputes between two countries, or states of the
same country. Which of the f ollowing has never been the case of water conflict? (Answer : D)
???????? ???????? ???????????? a) Cauvery water dispute between Tamil Nadu and Karnataka (b ????b) Yamuna-Betwa dispute between
U.P. and M.P. (c ????c) Sutlej Yamuna Link (SYL ????d)canal dispute between Pun jab and Haryana (d
???????????? 91 ???? ????Instrumentation technology used to locate suitable places f or mining (Answer : C)
???????? ???????? ???????????? a) a) Microscope ????b) b) Salinometer ????c) c) GIS ????d)d) camer a tr ap
???????????? 92 ???? ????Kaveri water dispute is in between: (Answer : D)
???????? ???????? ???????????? a) India and Pakistan (b ????b) Pun jab and Haryana (c ????c) Uttar Pr adesh and Madhya Pr adesh (d
????d)Karnataka and Tamil Nadu
???????????? 93 ???? ????Khetri (Ra jasthan) is f amous f or: (Answer : B)
???????? ???????? ???????????? a) Coal mines(b ????b) Copper mines(c ????c) Gr anite stone(d ????d)Marble stone
???????????? 94 ???? ????Main source of acid r ain is (Answer : A)
???????? ???????? ???????????? a) Sulphur dioxideb ????b) Nitrogenc ????c) Carbon dioxided ????d)Carbon monoxide
???????????? 95 ???? ????Ma jor consumer of wood from f orest is ___________ (Answer : B)
???????? ???????? ???????????? a) Thermal Power Plant ????b) Paper Industry ????c) Chemistry Industry ????d)none
???????????? 96 ???? ????Moisture in the air is known as (Answer : D)
???????? ???????? ???????????? a) a) Water ????b) (b) Fog ????c) ( c) Snow ????d)(d) Humidity
???????????? 97 ???? ????Name the country which virtually closed cod fishery in the 1990?s due to depletion of fish reserves
(Answer : A)
???????? ???????? ???????????? a) a) Canada ????b) b) Argentina ????c) c) Italy ????d)d) India
???????????? 98 ???? ????Name the financial agency which hesistate to support the Sardar Sarovar Pro ject in India in 1993 a result
of the demands of local people threatened with the loss of their livelihoods and homes in the submergence area.
(Answer : B)
???????? ???????? ???????????? a) a) Swiss bank ????b) b) World Bank ????c) c) Bank of India ????d)d) International Monetary Fund
???????????? 99 ???? ????Nitrogen constitutes about 78% of the atmosphere (Answer : C)
???????? ???????? ???????????? a) By weight(b ????b) By mass(c ????c) By volume(d ????d)None of these
???????????? 100 ???? ????Noise is measured by sound meter and the unit is (Answer : C)
???????? ???????? ???????????? a) Hertzb ????b) Joulec ????c) Decibeld ????d)Seconds
???????????? 101 ???? ????One of India?s serious environmental problems is f orest degr adation. What is the main cause of f orest
degr adation? (Answer : A)
???????? ???????? ???????????? a) timber extr action ????b) honey extr action ????c) high altitude ????d)Low Rainf all
???????????? 102 ???? ????Ozone day is observed on (Answer : B)
???????? ???????? ???????????? a) 3rd Januaryb ????b) 16th Septemberc ????c) 10th Novemberd ????d)26th March
???????????? 103 ???? ????Ozone Umbrella is located in which layer of atmosphere (Answer : B)
???????? ???????? ???????????? a) a) Troposphere ????b) (b) Str atosphere ????c) (c) Mesosphere ????d)(d) Ionosphere
???????????? 104 ???? ????Peeling of Ozone umbrella, which protects us from UV r ays, is caused by (Answer : B)
???????? ???????? ???????????? a) Carbon monoxideb ????b) CFCsc ????c) Coal burningd ????d)Methane
???????????? 105 ???? ????Soil erosion removes surf ace soil which contains (Answer : A)
???????? ???????? ???????????? a) Organic matterb ????b) Plant nutrientsc ????c) Both a and bd ????d)none of the above
???????????? 106 ???? ????Sustainable development means (Answer : C)
???????? ???????? ???????????? a) a. meeting present needs without compromising on f uture needs ????b) b. progress of human beings
????c) c. balance between human needs and the ability of earth to provide the resources ????d)d. all of the above
???????????? 107 ???? ????The adverse ef f ect of modern agriculture is (Answer : B)
???????? ???????? ???????????? a) Water pollutionb ????b) Soil degr adationc ????c) Water loggingd ????d)All of the above
???????????? 108 ???? ????The f ossil f uel that is derived from the dead remains of plants that grew some 250 million years ago is
(Answer : C)
???????? ???????? ???????????? a) Petroleumb ????b) Natur al gasc ????c) Coald ????d)LPG
???????????? 109 ???? ????The impact of construction of dams (Answer : D)
???????? ???????? ???????????? a) Submerged f orest b ????b) Loss of wild lif e habitat c ????c) Damages downstream ecosystem d ????d)All
of the above
???????????? 110 ???? ????The ma jor cause f or land degr adation in our country is (Answer : A)
???????? ???????? ???????????? a) Soil erosion(b ????b) Pollution of soil(c ????c) Water-logging(d ????d)None of the above
???????????? 111 ???? ????The ma jor reason f or floods in the rivers Ganges and Br ahmaputr a is ________ (Answer : B)
???????? ???????? ???????????? a) a) Dams in Himalayas ????b) b) Def orestation in Himalayas ????c) c) Heavy r ains ????d)d) Melting of ice
???????????? 112 ???? ????The method of r ainwater harvesting which can be adopted by individual house owners is (Answer : D)
???????? ???????? ???????????? a) Construction of recharge trenches (b ????b) On channel stor age of water (c ????c) Creation of new
water bodies (d ????d)Roof-top r ainwater harvesting
???????????? 113 ???? ????The percentage of total world?s precipitation, which is lost to the atmosphere through evapor ation,
approximates to: (Answer : A)
???????? ???????? ???????????? a) 57%(b ????b) 7%(c ????c) 37%(d ????d)43%
???????????? 114 ???? ????The process of restoring f orests that once existed but was removed at some time in the past is known
as (Answer : B)
???????? ???????? ???????????? a) Af f orestationb ????b) Ref orestationc ????c) Def orestationd ????d)None of these
???????????? 115 ???? ????The share of Hydropower (Hydel pro jects) in worlds commercial electricity production is less than ________
(Answer : D)
???????? ???????? ???????????? a) 2.00% ????b) 4.00% ????c) 12.00% ????d)20.00%
???????????? 116 ???? ????The species restricted to be present in one region are called (Answer : B)
???????? ???????? ???????????? a) Edge speciesb ????b) Endemic species c ????c) Endangered species d ????d)Keystone species
???????????? 117 ???? ????The teeth are likely to be pitted, more susceptible to cavities and wear, when the fluoride concentr ation
is: (Answer : D)
???????? ???????? ???????????? a) More than 2 mg/1 (b ????b) More than 40 mg/1 (c ????c) More than 20 mg/1 (d ????d)More than 4 mg/1
???????????? 118 ???? ????The term ?Environment? has been derived from the French word which means to encircle or surround
(Answer : A)
???????? ???????? ???????????? a) Environb ????b) Oikosc ????c) Geod ????d)Aqua
???????????? 119 ???? ????Wetlands in the flood plains of rivers are also considered as nature?s ________ (Answer : C)
???????? ???????? ???????????? a) a) Heat sink ????b) b) carbon sink ????c) c) flood control systems ????d)d) swimming pool
???????????? 120 ???? ????What are rodenticides? (Answer : C)
???????? ???????? ???????????? a) that kill fishes ????b) that kill insects ????c) that kill r ats ????d)that kill crocos
???????????? 121 ???? ????What is Kyoto Protocol? (Answer : A)
???????? ???????? ???????????? a) a. It is an agreement among countries to take steps f or reducing global warming. ????b) b. It is an
agreement among countries to take steps f or reducing acid r ain. ????c) c. It is an agreement among countries to take steps
f or planting trees to control pollution. ????d)d. It is an agreement among countries to start using nuclear energy.
???????????? 122 ???? ????What is the ma jor limiting f actor in the arid areas of our country? (Answer : C)
???????? ???????? ???????????? a) a) Money ????b) b) f orests ????c) c) water ????d)d) soil
???????????? 123 ???? ????What kind of people are the most ill-af f ected by the construction of dams? (Answer : D)
???????? ???????? ???????????? a) a) Urban dwellers ????b) b) beach dwellers ????c) c) tourists ????d)d) tribal people
???????????? 124 ???? ????When fluoride concentr ation in H2O exceeds about 1.5 mg/1, the disease that may be caused, is
(Answer : B)
???????? ???????? ???????????? a) Dental caries in children(b ????b) Fluorosis(c ????c) Polymyelitis(d ????d)Methemoglobinemia
???????????? 125 ???? ????Which among the f ollowing is a sedimentary type of cycle? (Answer : A)
???????? ???????? ???????????? a) Sulphur cycle(b ????b) Nitrogen cycle(c ????c) Oxygen cycle(d ????d)Carbon cycle
???????????? 126 ???? ????Which gas is responsible f or ozone layer depletion around earth? (Answer : B)
???????? ???????? ???????????? a) Carbon dioxideb ????b) Chlorofluorocarbonsc ????c) Oxygend ????d)Nitrogen oxide
???????????? 127 ???? ????Which gas is responsible f or the global warming? (Answer : B)
???????? ???????? ???????????? a) Nitrogenb ????b) Carbon dioxidec ????c) Noble gasesd ????d)Hydrogen
???????????? 128 ???? ????Which is a list of renewable resources? (Answer : D)
???????? ???????? ???????????? a) Petroleum, geothermal, wind b ????b) Biomass, geothermal, hydropower c ????c) Natur al gas, wind,
biomass d ????d)Hydropower, solar, wind energy
???????????? 129 ???? ????Which is the only country who has not r atified the Kyoto Protocol yet? (Answer : A)
???????? ???????? ???????????? a) United States ????b) Austr alia ????c) Japan ????d)India
???????????? 130 ???? ????Which of below items is the ma jor sector which extr acts most of fresh water available f or utilization?
(Answer : D)
???????? ???????? ???????????? a) domestic use ????b) drinking water ????c) bever age industry ????d)agriculture
???????????? 131 ???? ????Which of the f ollowing are consequences of ozone depletion (Answer : A)
???????? ???????? ???????????? a) Skin cancer and catar actb ????b) Reduced growth in plants c ????c) Shortening of zooplanktons and
their breeding period d ????d)All of the above
???????????? 132 ???? ????Which of the f ollowing are ma jor environmental issues involved in mining? (Answer : D)
???????? ???????? ???????????? a) air pollutionb ????b) water pollutionc ????c) soil degr adationd ????d)all of the above
???????????? 133 ???? ????Which of the f ollowing ef f ect is responsible f or Global Warming? (Answer : A)
???????? ???????? ???????????? a) Green house ef f ectb ????b) Radioactive ef f ectc ????c) Solar ef f ectd ????d)Nuclear ef f ect
???????????? 134 ???? ????Which of the f ollowing is management option f or air pollution? (Answer : D)
???????? ???????? ???????????? a) Regulations and standardsb ????b) Tr ansport planningc ????c) Using CNG as f ueld ????d)All of these
???????????? 135 ???? ????Which of the f ollowing is not a method f or water conservation? (Answer : B)
???????? ???????? ???????????? a) Rainwater harvesting(b ????b) Groundwater extr action (c ????c) Improving irrigation ef ficiency (d
????d)Avoiding water wastage
???????????? 136 ???? ????Which of the f ollowing is not a viable protection against def orestation? (Answer : C)
???????? ???????? ???????????? a) Reduce the consumption of f orest and related products (b ????b) Boycott products of companies
involve in def orestation (c ????c) Privatisation of f orest land (d ????d)Environmental education
???????????? 137 ???? ????Which of the f ollowing is not influenced by human activities? (Answer : D)
???????? ???????? ???????????? a) Destruction of mangroves and wetlands b ????b) Depletion of ground water c ????c) Increased
extinction r ate of species d ????d)None of the above
???????????? 138 ???? ????Which of the f ollowing is not true about def orestation? (Answer : C)
???????? ???????? ???????????? a) Population explosion is one of the reasons f or def orestation (b ????b) Cleaning of f orest f or
agriculture causes def orestation. (c ????c) Def orestation is taking place only in developing courtiers. (d ????d)Cash crop
economy of third world is a cause of def orestation.
???????????? 139 ???? ????Which of the f ollowing is responsible f or desertification? (Answer : D)
???????? ???????? ???????????? a) Def orestation(b ????b) Mining(c ????c) Overgr azing(d ????d)All of the above
???????????? 140 ???? ????Which of the f ollowing statements about the f orest is not correct? (Answer : D)
???????? ???????? ???????????? a) Forest reduces soil erosion (b ????b) Provides recreational opportunities (c ????c) Provides economic
development (d ????d)None of the above
???????????? 141 ???? ????Which of these is not a f ossil f uel? (Answer : D)
???????? ???????? ???????????? a) Coalb ????b) Oilc ????c) Natur al gasd ????d)Ur anium
???????????? 142 ???? ????Which one of the f ollowing is not an ideal solution f or tackling water shortages? (Answer : D)
???????? ???????? ???????????? a) Controlling population growth (b ????b) Conserving water in irrigation (c ????c) Controlling water
pollution (d ????d)Drilling large number of deep bore wells
???????????? 143 ???? ????Which one of the f ollowing regions in India is a hotspot of biodiversity? (Answer : B)
???????? ???????? ???????????? a) Sundarbansb ????b) Western Ghatsc ????c) Eastern Ghatsd ????d)Gangetic plains
???????????? 144 ???? ????World environment day is on: (Answer : B)
???????? ???????? ???????????? a) 5th Mayb ????b) 5th Junec ????c) 18th Julyd ????d)16th August
???????????? 145 ???? ????World Forest day is celebr ated on (Answer : A)
???????? ???????? ???????????? a) 21st March b ????b) 5th June c ????c) 1st Dec d ????d)7th June
???????????? 146 ???? ????Yellowing of Ta j Mahal is an ef f ect of (Answer : A)
???????? ???????? ???????????? a) Acid r ainb ????b) Global warmingc ????c) Ozone depletiond ????d)All of the above
???????????? 147 ???? ????Green Revolution in India was initiated by __________ (Answer : A)
???????? ???????? ???????????? a) M.S. Swaminathan ????b) Sunderlal Bahuguna ????c) Kurien ????d)Medha Patkar
???????????? 148 ???? ????Who wrote the book Violence of Green Revolution (Answer : A)
???????? ???????? ???????????? a) Vandana Siva ????b) Sheela Dikshit ????c) Menaka Gandhi ????d)Arundhathi Roy.
???????????? 149 ???? ????World Forest day is celebr ated on (Answer : A)
???????? ???????? ???????????? a) 21st March ????b) 5th June ????c) 1st Dec ????d)7th June
???????????? 150 ???? ????The Chipko movement is started by (Answer : B)
???????? ???????? ???????????? a) Engler ????b) Sunderlal Bahuguna ????c) Medha Padkar ????d)None of these
???????????? 151 ???? ????Green revolution is associated with _________ (Answer : B)
???????? ???????? ???????????? a) sericulture ????b) Agriculture ????c) Fish culture ????d)silviculture
???????????? 152 ???? ????Which gas is likely to be reduced in the atmosphere by def orestation? (Answer : C)
???????? ???????? ???????????? a) Carbon dioxide ????b) Nitrogen ????c) Oxygen ????d)Sulphur dioxide
???????????? 153 ???? ????Extensive planting of trees to increase f orest cover is called (Answer : A)
???????? ???????? ???????????? a) Af f orestation ????b) Agrof orestry ????c) Def orestation ????d)Social f orestry
???????????? 154 ???? ????Soil erosion can be prevented by (Answer : B)
???????? ???????? ???????????? a) Def orestation ????b) Af f orestation ????c) Overgr azing ????d)Removal of vegetation
???????????? 155 ???? ????The components of LPG are _____________ (Answer : B)
???????? ???????? ???????????? a) Methane & Hexane ????b) Propane & Butane ????c) Ethane & Methane ????d)Propane & Ethane
???????????? 156 ???? ????Which of the f ollowing is the most responsible f or world water crisis? (Answer : C)
???????? ???????? ???????????? a) Dams ????b) Floods ????c) Drought ????d)Population growth
???????????? 157 ???? ????The resources that can be replaced by natur al ecological cycle is called (Answer : A)
???????? ???????? ???????????? a) Renewable ????b) Non-renewable ????c) exhaustible ????d)natur al
???????????? 158 ???? ????The amount of solar r adiation reaching the surf ace of the earth is called (Answer : A)
???????? ???????? ???????????? a) Solar flux ????b) reflected light ????c) miner als ????d)solvents
???????????? 159 ???? ????The most harmf ul of ultr aviolet r adiations are (Answer : A)
???????? ???????? ???????????? a) UV-C ????b) UV-B ????c) UV-A ????d)All the above
???????????? 160 ???? ????A renewable source of energy is (Answer : D)
???????? ???????? ???????????? a) Petroleum ????b) Coal ????c) Nuclear f uel ????d)Trees
???????????? 161 ???? ????The capacity to do work is termed as (Answer : D)
???????? ???????? ???????????? a) Power ????b) Force ????c) Strength ????d)Energy
???????????? 162 ???? ????The unit of total water content of the soil is known as (Answer : A)
???????? ???????? ???????????? a) Holard ????b) Chr aserd ????c) Echard ????d)All of the above
???????????? 163 ???? ????Pedology? (Answer : C)
???????? ???????? ???????????? a) Study of water ????b) Study of air ????c) Study of soil ????d)none
???????????? 164 ???? ????What is def orestation? (Answer : B)
???????? ???????? ???????????? a) Product of f orest ????b) Destruction of f orest ????c) Forest Protection ????d)none
???????????? 165 ???? ????Def orestation gener ally decreases (Answer : D)
???????? ???????? ???????????? a) Global Warming ????b) Drought ????c) Soil erosion ????d)Rainf all
???????????? 166 ???? ????Which among the f ollowing result in the f ormation of soil? (Answer : B)
???????? ???????? ???????????? a) Radiation ????b) Weathering ????c) Erosion ????d)Pollution
???????????? 167 ???? ????Mulching helps in (Answer : B)
???????? ???????? ???????????? a) soil f ertility ????b) moisture conservation ????c) improvements soil structure ????d)soil sterility
???????????? 168 ???? ????........................ is an example of ?bottom f eeders?. (Answer : A)
???????? ???????? ???????????? a) Cat fish ????b) Frog ????c) Snake ????d)Tadpole ????e)
???????????? 169 ???? ????..................... trees shed their leaves during winter and hot summer. (Answer : C)
???????? ???????? ???????????? a) (a) ever green ????b) b) conif erous ????c) c) deciduous ????d)d) Shola
???????????? 170 ???? ????...................... is a cold desert in India (Answer : B)
???????? ???????? ???????????? a) Thar ????b) Ladakh ????c) Ran of Kutch ????d)Bhopal
???????????? 171 ???? ????A lake ecosystem f unctions as a (Answer : A)
???????? ???????? ???????????? a) Ter ai ????b) Shola gr asslands ????c) Semi arid plains ????d)Himalayan pastures
???????????? 172 ???? ????An example of nitrogen fixing bacteria in the soil (Answer : C)
???????? ???????? ???????????? a) Rhizobium ????b) Nostoc ????c) Azotobacter ????d)Nitrobacter
???????????? 173 ???? ????An example of one way ecological cycle is (Answer : C)
???????? ???????? ???????????? a) carbon dioxide cycle ????b) water cycle ????c) energy cycle ????d)oxygen cycle
???????????? 174 ???? ????Br ackish water ecosystems in river deltas are among (Answer : B)
???????? ???????? ???????????? a) Least productive ecosystems ????b) Most productive in terms of biomass production ????c) c)
Unproductive d) Stagnant ecosystems ????d)
???????????? 175 ???? ????Ecology is (Answer : C)
???????? ???????? ???????????? a) The science that studies the evolution of lif e, ????b) b) Integr ates both social and natur al sciences to
help us understand how the earth works, ????c) c) The study of the relationships between organisms and their
environment ????d)d) The study of the environment in the absence of humans
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???????????? 12 ???? ????World Environment Day (Answer : A)
???????? ???????? ???????????? a) 5th June ????b) 5th July ????c) 5th August ????d)5th September
???????????? 13 ???? ????The biggest award f or environmental activities in India is given in the name of an individual. In whose
name is it constituted? (Answer : C)
???????? ???????? ???????????? a) Lal Bahadur Shasthri ????b) Mor ar ji Desai ????c) Indir a Gandhi ????d)Kamar a j.
???????????? 14 ???? ????All f orms of water that comes down on Earth, including r ain, snow, hail etc. is known as _____________
(Answer : C)
???????? ???????? ???????????? a) Calcification ????b) Fixation ????c) Precipitation ????d)Accumulation
???????????? 15 ???? ????The ocean covers ________ percentage of Earth?s surf ace. (Answer : C)
???????? ???????? ???????????? a) 515 ????b) 0.61 ????c) 0.71 ????d)0.91
???????????? 16 ???? ????The portion of the earth and its environment which can support lif e is known as _________ (Answer : B)
???????? ???????? ???????????? a) Crust ????b) Biosphere ????c) Exosphere ????d)Atmosphere
???????????? 17 ???? ????What is troposphere? (Answer : C)
???????? ???????? ???????????? a) Portion of air ????b) Portion of water ????c) Lowest layer of atmosphere where we survive
????d)Portion of sky
???????????? 18 ???? ????The main energy source f or the environment is ________ (Answer : A)
???????? ???????? ???????????? a) Solar energy ????b) Chemical energy ????c) Bioelectric energy ????d)Electrical energy
???????????? 19 ???? ????What is UNCED? (Answer : C)
???????? ???????? ???????????? a) United Nations Conf erence on Education ????b) United Nations Conf erence on Environmental Day
????c) United Nations Conf erence on Environment and Development ????d)None of these.
???????????? 20 ???? ????Atmospheric humidity is measured by (Answer : C)
???????? ???????? ???????????? a) Auxanometer ????b) Photometer ????c) Hygrometer ????d)None
???????????? 21 ???? ????The area to which a species is biologically adapted to live is known (Answer : B)
???????? ???????? ???????????? a) Niche ????b) Habitat ????c) Succession ????d)Community
???????????? 22 ???? ????Study of inter-relationship between organisms and their environment is called (Answer : A)
???????? ???????? ???????????? a) Ecology ????b) Ecosystem ????c) Phytogeogr aphy ????d)Ethology
???????????? 23 ???? ????The term Ecology was coined by (Answer : B)
???????? ???????? ???????????? a) A.G.Tansley ????b) Earnst Haeckel ????c) Aristotle ????d)Linnaeus
???????????? 24 ???? ????An example of an abiotic component (Answer : B)
???????? ???????? ???????????? a) Plants ????b) Soil ????c) Animals ????d)Bacteria
???????????? 25 ???? ????The area to which a species is biologically adapted to live is known (Answer : B)
???????? ???????? ???????????? a) Niche ????b) Habitat ????c) Succession ????d)Community
???????????? 26 ???? ????The objective of environmental education is (Answer : D)
???????? ???????? ???????????? a) Raise consciousness about environmental education ????b) T o teach environmentally appropriate
behaviour ????c) Create an environmental ethic that f osters awareness about ecological inter-dependence of economics,
social and political ????d)All of the above
???????????? 27 ???? ????Which of the f ollowing is not influenced by human activities? (Answer : A)
???????? ???????? ???????????? a) Depletion of ground water ????b) Destruction of mangroves and wetlands ????c) Increased extinction
r ate of species ????d)None of the above
???????????? 28 ???? ????Environmental education is important only at (Answer : D)
???????? ???????? ???????????? a) Primary school stage ????b) Secondary school stage ????c) Collage stage ????d)All stages
???????????? 29 ???? ????Which of the f ollowing conceptual components of the environment are ef f ective tr ansporters of
matter? (Answer : A)
???????? ???????? ???????????? a) Atmosphere and hydrosphere ????b) (b) Atmosphere and lithosphere ????c) (c) Hydrosphere and
lithosphere ????d)(d) Lithosphere and biosphere
???????????? 30 ???? ????Biosphere is (Answer : B)
???????? ???????? ???????????? a) (a) The solid shell of inorganic materials on the surf ace of the Earth ????b) (b) The thin shell of
organic matter on the surf ace of earth comprising of all the living things ????c) (c) The sphere which occupies the
maximum volume of all the spheres ????d)(d) All of the above
???????????? 31 ???? ????Which of the f ollowing conceptual sphere of the environment is having the least stor age capacity f or
matter? (Answer : A)
???????? ???????? ???????????? a) (a) Atmosphere ????b) (b) Lithosphere ????c) (c) Hydrosphere ????d)(d) Biosphere
???????????? 32 ???? ????Which of the f ollowing is an example of impact of development activities on the Hydrosphere? (Answer
: D)
???????? ???????? ???????????? a) (a) Air pollution ????b) (b) Soil pollution ????c) (c) Soil erosion ????d)(d) Water pollution
???????????? 33 ???? ????Weather occurs in the Earths: (Answer : A)
???????? ???????? ???????????? a) (a) Troposhere ????b) (b) Mesophere ????c) (c) Ionosphere ????d)(d) Thermosphere
???????????? 34 ???? ????Biosphere is a term used to represent the: (Answer : C)
???????? ???????? ???????????? a) (a) Entire atmosphere consisting of troposphere, str atosphere, mesosphere, and thermosphere
????b) (b) Entire hydrosphere-representing the entire collection of water over the Earth as well as inside the Earth ????c) (c)
A small zone of Earth, where the lithosphere, hydrosphere, and atmosphere come in contact with one another ????d)(d)
Entire lithosphere-representing the solid Earth and its interior
???????????? 35 ???? ????The term ecology was introduced by: (Answer : A)
???????? ???????? ???????????? a) (a) Haeckel ????b) (b) Odum ????c) (c) Tansely ????d)(d) Ramdeo Mishr a
???????????? 36 ???? ????The study of inter actions between living and non-living organisms and environment is called (Answer :
B)
???????? ???????? ???????????? a) (a) Ecosystem ????b) (b) Ecology ????c) (c) Phyto-geogr aphy ????d)(d) Phytosociology
???????????? 37 ???? ????An ecosystem consist of (Answer : D)
???????? ???????? ???????????? a) (a) Green plants and animals ????b) (b) Green plants and decomposers ????c) (c) Producers and
consumers ????d)(d) Green plants, animals, decomposers and abiotic environment
???????????? 38 ???? ????The environment which has been modified by human activities is called (Answer : B)
???????? ???????? ???????????? a) (a) Natur al environment ????b) (b) Anthropogenic environment ????c) (c) Modem environment ????d)(d)
Urban environment
???????????? 39 ???? ????Which of the f ollowing statements is not true? (Answer : C)
???????? ???????? ???????????? a) (a) Inorganic nutrients are recycled in an ecosystem ????b) (b) Energy flows through the ecosystem
in the f orm of C-C bonds ????c) (c) Energy is recycled in an ecosystem ????d)(d) Respir ation process releases energy
???????????? 40 ???? ????Driving f orce in an ecosystem is (Answer : C)
???????? ???????? ???????????? a) (a) Plants ????b) (b) Producers ????c) (c) Solar energy ????d)(d) Biomass energy
???????????? 41 ???? ????Physical and chemical components of an ecosystem constitute (Answer : C)
???????? ???????? ???????????? a) (a) Biotic structure ????b) (b) Abioltic structure ????c) (c) Both of these ????d)(d) None of these
???????????? 42 ???? ????Which one of the f ollowing is an abiotic component of the ecosystem? (Answer : C)
???????? ???????? ???????????? a) (a) Bacteria ????b) (b) Plants ????c) (c) Humus ????d)(d) Fungi
???????????? 43 ???? ????Which of the f ollowing is a possible producer in an ecosystem? (Answer : A)
???????? ???????? ???????????? a) (a) Plants ????b) (b) Animals ????c) (c) Human beings ????d)(d) Fish
???????????? 44 ???? ????The organisms which f eed on dead organisms and excreta of living organisms are known (Answer : A)
???????? ???????? ???????????? a) (a) Decomposers ????b) (b) Consumers ????c) (c) Producers ????d)(d) Carnivores
???????????? 45 ???? ????A trophic level ref ers to: (Answer : C)
???????? ???????? ???????????? a) (a) Area in the tropics ????b) (b) An organism?s portion in a f ood chain ????c) (c) An organism?s
position in an ecosystem ????d)(d) An organism?s position in a biome
???????????? 46 ???? ????In a f ood chain animals constitute the: (Answer : C)
???????? ???????? ???????????? a) (a) First trophic level ????b) (b) Second trophic level ????c) (c) Intermediate trophic level ????d)(d)
Ultimate trophic level
???????????? 47 ???? ????The f ood chain in which microorganisms breakdown dead producers is called: (Answer : D)
???????? ???????? ???????????? a) (a) Consumer f ood chain ????b) (b) Predator f ood chain ????c) (c) Par asitic f ood chain ????d)(d) Detritus
f ood chain
???????????? 48 ???? ????Food chain starts with (Answer : A)
???????? ???????? ???????????? a) (a) Producer ????b) (b) Herbivores ????c) (c) Carnivores ????d)(d) Omnivores
???????????? 49 ???? ????In a f ood chain, humans are (Answer : D)
???????? ???????? ???????????? a) (a) Secondary consumers ????b) (b) Primary consumer ????c) (c) Producers ????d)(d) Primary and
secondary consumers both
???????????? 50 ???? ????Which one is the correct f ood chain? (Answer : A)
???????? ???????? ???????????? a) (a) Phytoplankton ?? Zooplankton ?? Fish ????b) (b) Zooplankton ?? Phytoplankton ?? Fish ????c)
(c) Zooplankton ?? Protozoans ?? Fish ????d)(d) Gr ass ?? Fish ?? Zooplankton
???????????? 51 ???? ????A f ood web consists of (Answer : A)
???????? ???????? ???????????? a) (a) Interlocking f ood chains ????b) (b) Producers, consumers and decomposers ????c) (c) A portion of
a f ood chain ????d)(d) A set of similar consumers
???????????? 52 ???? ????Food webs are (Answer : C)
???????? ???????? ???????????? a) (a) One kind of f ood ????b) (b) Not related to f ood chains at all ????c) (c) Inter-connected arr angement
of f ood chains ????d)(d) Linear arr angement of f ood chains
???????????? 53 ???? ????Pyr amid of number is given by (Answer : C)
???????? ???????? ???????????? a) (a) Haeckel ????b) (b) Odum ????c) (c) Elton ????d)(d) Tansely
???????????? 54 ???? ????Which ecological pyr amid is always upright? (Answer : C)
???????? ???????? ???????????? a) (a) Pyr amid of number ????b) (b) Pyr amid of biomass ????c) (c) Pyr amid of energy ????d)(d) Pyr amid of
number and biomass
???????????? 55 ???? ????An ecological pyr amid ref ers to the (Answer : D)
???????? ???????? ???????????? a) (a) Pyr amid of energy ????b) (b) Pyr amid of number ????c) (c) Pyr amid of biomass ????d)(d) All of the
above
???????????? 56 ???? ????An ecosystem may not undergo changes because: (Answer : A)
???????? ???????? ???????????? a) (a) It is in a state of homeostasis ????b) (b) It has plants and animals both ????c) (c) It gets solar
energy continuously ????d)(d) The decomposers are present in it
???????????? 57 ???? ????Energy flow in an ecosystem is always: (Answer : A)
???????? ???????? ???????????? a) (a) Unidirectional ????b) (b) Cyclic ????c) (c) Reversible ????d)(d) Multi-directional
???????????? 58 ???? ????The primary producers in a f orest ecosystem are: (Answer : A)
???????? ???????? ???????????? a) (a) Chlorophyll containing trees and plants ????b) (b) Herbivores ????c) (c) Carnivores ????d)(d) Bacteria
and other micro-organism
???????????? 59 ???? ????The desert among the f ollowing which is not a cold desert is: (Answer : D)
???????? ???????? ???????????? a) (a) Golbi desert ????b) (b) Patagonian desert ????c) (c) Atacama desert ????d)(d) Ma java desert
???????????? 60 ???? ????The darker zone in lakes where light penetr ation is negligible is called the: (Answer : D)
???????? ???????? ???????????? a) (a) Euphotic zone ????b) (b) Littor al zone ????c) (c) Limnetic zone ????d)(d) Benthic zone
???????????? 61 ???? ????The zone of a sea lying over the continental shelf is known as the: (Answer : B)
???????? ???????? ???????????? a) (a) Bathyl zone ????b) (b) Neritic zone ????c) (c) Abyssal zone ????d)(d) Littor al zone
???????????? 62 ???? ????Which one of the f ollowing is not a fresh water biome? (Answer : A)
???????? ???????? ???????????? a) (a) Lotic ????b) (b) Lentic ????c) (c) Spings ????d)(d) Deep sea
???????????? 63 ???? ????Tendency of pollutants to become concentr ated in successive trophic levels is known as: (Answer : A)
???????? ???????? ???????????? a) (a) Biomagnification ????b) (b) Biorhythm ????c) (c) Bioremediation ????d)(d) Biopir acy
???????????? 64 ???? ????Eutrophication is: (Answer : B)
???????? ???????? ???????????? a) (a) An improved water quality status of lakes ????b) (b) The result of accumulation of plant nutrients
in water bodies ????c) (c) A process in the carbon cycle ????d)(d) A water purification technique
???????????? 65 ???? ????Increase in f auna and decrease in flor a would be harmf ul due to increase in: (Answer : B)
???????? ???????? ???????????? a) (a) Diseases ????b) (b) CO ????c) (c) O2 ????d)(d) Radioactive pollution
???????????? 66 ???? ????The largest reservoir of nitrogen an our planet is: (Answer : B)
???????? ???????? ???????????? a) (a) Ocean ????b) (b) Atmosphere ????c) (c) Biosphere ????d)(d) Fossil f uels
???????????? 67 ???? ????Overgr azing results in: (Answer : A)
???????? ???????? ???????????? a) (a) Soil erosion ????b) (b) Retention of usef ul species ????c) (c) Productive soils ????d)(d) All of the
above
???????????? 68 ???? ????In the world, the economy of the India is: (Answer : D)
???????? ???????? ???????????? a) (a) Largest ????b) (b) Third largest ????c) (c) Second largest ????d)(d) Fourth largest
???????????? 69 ???? ????In services output, India is: (Answer : C)
???????? ???????? ???????????? a) 10 ????b) 12 ????c) 15 ????d)4
???????????? 70 ???? ?????Smog? is a mixture of (Answer : A)
???????? ???????? ???????????? a) a) Smoke and Fog ????b) (b) Snow and Fog ????c) ( c) Snow and Dust ????d)(d) Sulphur Dioxide and
Fog
???????????? 71 ???? ????A liquid f uel that was f ormed from the ancient remains of sea plants and animals is (Answer : B)
???????? ???????? ???????????? a) Natur al gasb ????b) Petroleumc ????c) Geothermal energyd ????d)Coal
???????????? 72 ???? ????A poisonous gas given out of vehicles exhaust is (Answer : A)
a) Carbon monoxideb ????b) Ethanec ????c) Methaned ????d)Carbon dioxide
???????????? 73 ???? ????A product of photosynthesis is (Answer : C)
???????? ???????? ???????????? a) Carbon dioxideb ????b) Waterc ????c) Oxygend ????d)Chlorophyll
???????????? 74 ???? ????Atmosphere consists of 79 percent Nitrogen and 21 percent Oxygen by (Answer : B)
???????? ???????? ???????????? a) Volumeb ????b) Weightc ????c) Densityd ????d)All of these
???????????? 75 ???? ????Biogas contains mainly (Answer : B)
???????? ???????? ???????????? a) Carbon dioxideb ????b) Methanec ????c) Butaned ????d)Propane
???????????? 76 ???? ????Carbon dioxide constitutes about 0.03% of the atmosphere (Answer : A)
???????? ???????? ???????????? a) By volume(b ????b) By weight(c ????c) By mass(d ????d)None of these
???????????? 77 ???? ????Development activities on the hydrosphere cause (Answer : C)
???????? ???????? ???????????? a) Air pollutionb ????b) Soil pollutionc ????c) Water pollutiond ????d)Soil erosion
???????????? 78 ???? ????Energy flow in an ecosystem is (Answer : C)
???????? ???????? ???????????? a) Bidirectionalb ????b) Unidirectionalc ????c) Multidirectionald ????d)All rounds
???????????? 79 ???? ????Energy from the heat inside the earth is (Answer : B)
???????? ???????? ???????????? a) a Natur al gas ????b) Geothermalc ????c) Petroleumd ????d)Terr athermal
???????????? 80 ???? ????Energy in the r ays from the sun is called (Answer : A)
???????? ???????? ???????????? a) Solar energyb ????b) Wind energyc ????c) Tidal energyd ????d)Water energy
???????????? 81 ???? ????Environment is the lif e support system that includes (Answer : D)
???????? ???????? ???????????? a) Airb ????b) Waterc ????c) Landd ????d)All of the above
???????????? 82 ???? ????Extensive planting of trees to increase cover is called (Answer : A)
???????? ???????? ???????????? a) Af f orestation(b ????b) Agrof orestation(c ????c) Def orestation(d ????d)Social f orestry
???????????? 83 ???? ????Extensive planting of trees to increase f orest cover is called (Answer : A)
???????? ???????? ???????????? a) Af f orestation, b ????b) Agrof orestry, c ????c) Def orestation, d ????d)Social f orestry
???????????? 84 ???? ????Forest and wild lif e are (Answer : A)
???????? ???????? ???????????? a) Renewable resource(b ????b) Non-renewable resources (c ????c) Inexhaustible resources (d ????d)None
of these
???????????? 85 ???? ????Forests prevent soil erosion by binding soil particles in their (Answer : B)
???????? ???????? ???????????? a) Leaves(b ????b) Roots(c ????c) Buds(d ????d)Stems
???????????? 86 ???? ????Formation of hole in Ozone is maximum over (Answer : C)
???????? ???????? ???????????? a) Indiab ????b) Europec ????c) Antarcticad ????d)Africa
???????????? 87 ???? ????Fossil f uel and metallic miner als are: (Answer : C)
???????? ???????? ???????????? a) Renewable resource (b ????b) Inexhaustible resources (c ????c) Non-renewable resources (d ????d)None
of these
???????????? 88 ???? ????Green house ef f ect is linked to (Answer : C)
???????? ???????? ???????????? a) Nitrogen oxidesb ????b) Sulphur dioxidesc ????c) Carbon dioxidesd ????d)Carbon monoxides
???????????? 89 ???? ????In our country the percentage of land under f orest is about: (Answer : B)
???????? ???????? ???????????? a) 20%(b ????b) 19%(c ????c) 25%(d ????d)30%
???????????? 90 ???? ????In respect of water crisis, there have been conflicts/disputes between two countries, or states of the
same country. Which of the f ollowing has never been the case of water conflict? (Answer : D)
???????? ???????? ???????????? a) Cauvery water dispute between Tamil Nadu and Karnataka (b ????b) Yamuna-Betwa dispute between
U.P. and M.P. (c ????c) Sutlej Yamuna Link (SYL ????d)canal dispute between Pun jab and Haryana (d
???????????? 91 ???? ????Instrumentation technology used to locate suitable places f or mining (Answer : C)
???????? ???????? ???????????? a) a) Microscope ????b) b) Salinometer ????c) c) GIS ????d)d) camer a tr ap
???????????? 92 ???? ????Kaveri water dispute is in between: (Answer : D)
???????? ???????? ???????????? a) India and Pakistan (b ????b) Pun jab and Haryana (c ????c) Uttar Pr adesh and Madhya Pr adesh (d
????d)Karnataka and Tamil Nadu
???????????? 93 ???? ????Khetri (Ra jasthan) is f amous f or: (Answer : B)
???????? ???????? ???????????? a) Coal mines(b ????b) Copper mines(c ????c) Gr anite stone(d ????d)Marble stone
???????????? 94 ???? ????Main source of acid r ain is (Answer : A)
???????? ???????? ???????????? a) Sulphur dioxideb ????b) Nitrogenc ????c) Carbon dioxided ????d)Carbon monoxide
???????????? 95 ???? ????Ma jor consumer of wood from f orest is ___________ (Answer : B)
???????? ???????? ???????????? a) Thermal Power Plant ????b) Paper Industry ????c) Chemistry Industry ????d)none
???????????? 96 ???? ????Moisture in the air is known as (Answer : D)
???????? ???????? ???????????? a) a) Water ????b) (b) Fog ????c) ( c) Snow ????d)(d) Humidity
???????????? 97 ???? ????Name the country which virtually closed cod fishery in the 1990?s due to depletion of fish reserves
(Answer : A)
???????? ???????? ???????????? a) a) Canada ????b) b) Argentina ????c) c) Italy ????d)d) India
???????????? 98 ???? ????Name the financial agency which hesistate to support the Sardar Sarovar Pro ject in India in 1993 a result
of the demands of local people threatened with the loss of their livelihoods and homes in the submergence area.
(Answer : B)
???????? ???????? ???????????? a) a) Swiss bank ????b) b) World Bank ????c) c) Bank of India ????d)d) International Monetary Fund
???????????? 99 ???? ????Nitrogen constitutes about 78% of the atmosphere (Answer : C)
???????? ???????? ???????????? a) By weight(b ????b) By mass(c ????c) By volume(d ????d)None of these
???????????? 100 ???? ????Noise is measured by sound meter and the unit is (Answer : C)
???????? ???????? ???????????? a) Hertzb ????b) Joulec ????c) Decibeld ????d)Seconds
???????????? 101 ???? ????One of India?s serious environmental problems is f orest degr adation. What is the main cause of f orest
degr adation? (Answer : A)
???????? ???????? ???????????? a) timber extr action ????b) honey extr action ????c) high altitude ????d)Low Rainf all
???????????? 102 ???? ????Ozone day is observed on (Answer : B)
???????? ???????? ???????????? a) 3rd Januaryb ????b) 16th Septemberc ????c) 10th Novemberd ????d)26th March
???????????? 103 ???? ????Ozone Umbrella is located in which layer of atmosphere (Answer : B)
???????? ???????? ???????????? a) a) Troposphere ????b) (b) Str atosphere ????c) (c) Mesosphere ????d)(d) Ionosphere
???????????? 104 ???? ????Peeling of Ozone umbrella, which protects us from UV r ays, is caused by (Answer : B)
???????? ???????? ???????????? a) Carbon monoxideb ????b) CFCsc ????c) Coal burningd ????d)Methane
???????????? 105 ???? ????Soil erosion removes surf ace soil which contains (Answer : A)
???????? ???????? ???????????? a) Organic matterb ????b) Plant nutrientsc ????c) Both a and bd ????d)none of the above
???????????? 106 ???? ????Sustainable development means (Answer : C)
???????? ???????? ???????????? a) a. meeting present needs without compromising on f uture needs ????b) b. progress of human beings
????c) c. balance between human needs and the ability of earth to provide the resources ????d)d. all of the above
???????????? 107 ???? ????The adverse ef f ect of modern agriculture is (Answer : B)
???????? ???????? ???????????? a) Water pollutionb ????b) Soil degr adationc ????c) Water loggingd ????d)All of the above
???????????? 108 ???? ????The f ossil f uel that is derived from the dead remains of plants that grew some 250 million years ago is
(Answer : C)
???????? ???????? ???????????? a) Petroleumb ????b) Natur al gasc ????c) Coald ????d)LPG
???????????? 109 ???? ????The impact of construction of dams (Answer : D)
???????? ???????? ???????????? a) Submerged f orest b ????b) Loss of wild lif e habitat c ????c) Damages downstream ecosystem d ????d)All
of the above
???????????? 110 ???? ????The ma jor cause f or land degr adation in our country is (Answer : A)
???????? ???????? ???????????? a) Soil erosion(b ????b) Pollution of soil(c ????c) Water-logging(d ????d)None of the above
???????????? 111 ???? ????The ma jor reason f or floods in the rivers Ganges and Br ahmaputr a is ________ (Answer : B)
???????? ???????? ???????????? a) a) Dams in Himalayas ????b) b) Def orestation in Himalayas ????c) c) Heavy r ains ????d)d) Melting of ice
???????????? 112 ???? ????The method of r ainwater harvesting which can be adopted by individual house owners is (Answer : D)
???????? ???????? ???????????? a) Construction of recharge trenches (b ????b) On channel stor age of water (c ????c) Creation of new
water bodies (d ????d)Roof-top r ainwater harvesting
???????????? 113 ???? ????The percentage of total world?s precipitation, which is lost to the atmosphere through evapor ation,
approximates to: (Answer : A)
???????? ???????? ???????????? a) 57%(b ????b) 7%(c ????c) 37%(d ????d)43%
???????????? 114 ???? ????The process of restoring f orests that once existed but was removed at some time in the past is known
as (Answer : B)
???????? ???????? ???????????? a) Af f orestationb ????b) Ref orestationc ????c) Def orestationd ????d)None of these
???????????? 115 ???? ????The share of Hydropower (Hydel pro jects) in worlds commercial electricity production is less than ________
(Answer : D)
???????? ???????? ???????????? a) 2.00% ????b) 4.00% ????c) 12.00% ????d)20.00%
???????????? 116 ???? ????The species restricted to be present in one region are called (Answer : B)
???????? ???????? ???????????? a) Edge speciesb ????b) Endemic species c ????c) Endangered species d ????d)Keystone species
???????????? 117 ???? ????The teeth are likely to be pitted, more susceptible to cavities and wear, when the fluoride concentr ation
is: (Answer : D)
???????? ???????? ???????????? a) More than 2 mg/1 (b ????b) More than 40 mg/1 (c ????c) More than 20 mg/1 (d ????d)More than 4 mg/1
???????????? 118 ???? ????The term ?Environment? has been derived from the French word which means to encircle or surround
(Answer : A)
???????? ???????? ???????????? a) Environb ????b) Oikosc ????c) Geod ????d)Aqua
???????????? 119 ???? ????Wetlands in the flood plains of rivers are also considered as nature?s ________ (Answer : C)
???????? ???????? ???????????? a) a) Heat sink ????b) b) carbon sink ????c) c) flood control systems ????d)d) swimming pool
???????????? 120 ???? ????What are rodenticides? (Answer : C)
???????? ???????? ???????????? a) that kill fishes ????b) that kill insects ????c) that kill r ats ????d)that kill crocos
???????????? 121 ???? ????What is Kyoto Protocol? (Answer : A)
???????? ???????? ???????????? a) a. It is an agreement among countries to take steps f or reducing global warming. ????b) b. It is an
agreement among countries to take steps f or reducing acid r ain. ????c) c. It is an agreement among countries to take steps
f or planting trees to control pollution. ????d)d. It is an agreement among countries to start using nuclear energy.
???????????? 122 ???? ????What is the ma jor limiting f actor in the arid areas of our country? (Answer : C)
???????? ???????? ???????????? a) a) Money ????b) b) f orests ????c) c) water ????d)d) soil
???????????? 123 ???? ????What kind of people are the most ill-af f ected by the construction of dams? (Answer : D)
???????? ???????? ???????????? a) a) Urban dwellers ????b) b) beach dwellers ????c) c) tourists ????d)d) tribal people
???????????? 124 ???? ????When fluoride concentr ation in H2O exceeds about 1.5 mg/1, the disease that may be caused, is
(Answer : B)
???????? ???????? ???????????? a) Dental caries in children(b ????b) Fluorosis(c ????c) Polymyelitis(d ????d)Methemoglobinemia
???????????? 125 ???? ????Which among the f ollowing is a sedimentary type of cycle? (Answer : A)
???????? ???????? ???????????? a) Sulphur cycle(b ????b) Nitrogen cycle(c ????c) Oxygen cycle(d ????d)Carbon cycle
???????????? 126 ???? ????Which gas is responsible f or ozone layer depletion around earth? (Answer : B)
???????? ???????? ???????????? a) Carbon dioxideb ????b) Chlorofluorocarbonsc ????c) Oxygend ????d)Nitrogen oxide
???????????? 127 ???? ????Which gas is responsible f or the global warming? (Answer : B)
???????? ???????? ???????????? a) Nitrogenb ????b) Carbon dioxidec ????c) Noble gasesd ????d)Hydrogen
???????????? 128 ???? ????Which is a list of renewable resources? (Answer : D)
???????? ???????? ???????????? a) Petroleum, geothermal, wind b ????b) Biomass, geothermal, hydropower c ????c) Natur al gas, wind,
biomass d ????d)Hydropower, solar, wind energy
???????????? 129 ???? ????Which is the only country who has not r atified the Kyoto Protocol yet? (Answer : A)
???????? ???????? ???????????? a) United States ????b) Austr alia ????c) Japan ????d)India
???????????? 130 ???? ????Which of below items is the ma jor sector which extr acts most of fresh water available f or utilization?
(Answer : D)
???????? ???????? ???????????? a) domestic use ????b) drinking water ????c) bever age industry ????d)agriculture
???????????? 131 ???? ????Which of the f ollowing are consequences of ozone depletion (Answer : A)
???????? ???????? ???????????? a) Skin cancer and catar actb ????b) Reduced growth in plants c ????c) Shortening of zooplanktons and
their breeding period d ????d)All of the above
???????????? 132 ???? ????Which of the f ollowing are ma jor environmental issues involved in mining? (Answer : D)
???????? ???????? ???????????? a) air pollutionb ????b) water pollutionc ????c) soil degr adationd ????d)all of the above
???????????? 133 ???? ????Which of the f ollowing ef f ect is responsible f or Global Warming? (Answer : A)
???????? ???????? ???????????? a) Green house ef f ectb ????b) Radioactive ef f ectc ????c) Solar ef f ectd ????d)Nuclear ef f ect
???????????? 134 ???? ????Which of the f ollowing is management option f or air pollution? (Answer : D)
???????? ???????? ???????????? a) Regulations and standardsb ????b) Tr ansport planningc ????c) Using CNG as f ueld ????d)All of these
???????????? 135 ???? ????Which of the f ollowing is not a method f or water conservation? (Answer : B)
???????? ???????? ???????????? a) Rainwater harvesting(b ????b) Groundwater extr action (c ????c) Improving irrigation ef ficiency (d
????d)Avoiding water wastage
???????????? 136 ???? ????Which of the f ollowing is not a viable protection against def orestation? (Answer : C)
???????? ???????? ???????????? a) Reduce the consumption of f orest and related products (b ????b) Boycott products of companies
involve in def orestation (c ????c) Privatisation of f orest land (d ????d)Environmental education
???????????? 137 ???? ????Which of the f ollowing is not influenced by human activities? (Answer : D)
???????? ???????? ???????????? a) Destruction of mangroves and wetlands b ????b) Depletion of ground water c ????c) Increased
extinction r ate of species d ????d)None of the above
???????????? 138 ???? ????Which of the f ollowing is not true about def orestation? (Answer : C)
???????? ???????? ???????????? a) Population explosion is one of the reasons f or def orestation (b ????b) Cleaning of f orest f or
agriculture causes def orestation. (c ????c) Def orestation is taking place only in developing courtiers. (d ????d)Cash crop
economy of third world is a cause of def orestation.
???????????? 139 ???? ????Which of the f ollowing is responsible f or desertification? (Answer : D)
???????? ???????? ???????????? a) Def orestation(b ????b) Mining(c ????c) Overgr azing(d ????d)All of the above
???????????? 140 ???? ????Which of the f ollowing statements about the f orest is not correct? (Answer : D)
???????? ???????? ???????????? a) Forest reduces soil erosion (b ????b) Provides recreational opportunities (c ????c) Provides economic
development (d ????d)None of the above
???????????? 141 ???? ????Which of these is not a f ossil f uel? (Answer : D)
???????? ???????? ???????????? a) Coalb ????b) Oilc ????c) Natur al gasd ????d)Ur anium
???????????? 142 ???? ????Which one of the f ollowing is not an ideal solution f or tackling water shortages? (Answer : D)
???????? ???????? ???????????? a) Controlling population growth (b ????b) Conserving water in irrigation (c ????c) Controlling water
pollution (d ????d)Drilling large number of deep bore wells
???????????? 143 ???? ????Which one of the f ollowing regions in India is a hotspot of biodiversity? (Answer : B)
???????? ???????? ???????????? a) Sundarbansb ????b) Western Ghatsc ????c) Eastern Ghatsd ????d)Gangetic plains
???????????? 144 ???? ????World environment day is on: (Answer : B)
???????? ???????? ???????????? a) 5th Mayb ????b) 5th Junec ????c) 18th Julyd ????d)16th August
???????????? 145 ???? ????World Forest day is celebr ated on (Answer : A)
???????? ???????? ???????????? a) 21st March b ????b) 5th June c ????c) 1st Dec d ????d)7th June
???????????? 146 ???? ????Yellowing of Ta j Mahal is an ef f ect of (Answer : A)
???????? ???????? ???????????? a) Acid r ainb ????b) Global warmingc ????c) Ozone depletiond ????d)All of the above
???????????? 147 ???? ????Green Revolution in India was initiated by __________ (Answer : A)
???????? ???????? ???????????? a) M.S. Swaminathan ????b) Sunderlal Bahuguna ????c) Kurien ????d)Medha Patkar
???????????? 148 ???? ????Who wrote the book Violence of Green Revolution (Answer : A)
???????? ???????? ???????????? a) Vandana Siva ????b) Sheela Dikshit ????c) Menaka Gandhi ????d)Arundhathi Roy.
???????????? 149 ???? ????World Forest day is celebr ated on (Answer : A)
???????? ???????? ???????????? a) 21st March ????b) 5th June ????c) 1st Dec ????d)7th June
???????????? 150 ???? ????The Chipko movement is started by (Answer : B)
???????? ???????? ???????????? a) Engler ????b) Sunderlal Bahuguna ????c) Medha Padkar ????d)None of these
???????????? 151 ???? ????Green revolution is associated with _________ (Answer : B)
???????? ???????? ???????????? a) sericulture ????b) Agriculture ????c) Fish culture ????d)silviculture
???????????? 152 ???? ????Which gas is likely to be reduced in the atmosphere by def orestation? (Answer : C)
???????? ???????? ???????????? a) Carbon dioxide ????b) Nitrogen ????c) Oxygen ????d)Sulphur dioxide
???????????? 153 ???? ????Extensive planting of trees to increase f orest cover is called (Answer : A)
???????? ???????? ???????????? a) Af f orestation ????b) Agrof orestry ????c) Def orestation ????d)Social f orestry
???????????? 154 ???? ????Soil erosion can be prevented by (Answer : B)
???????? ???????? ???????????? a) Def orestation ????b) Af f orestation ????c) Overgr azing ????d)Removal of vegetation
???????????? 155 ???? ????The components of LPG are _____________ (Answer : B)
???????? ???????? ???????????? a) Methane & Hexane ????b) Propane & Butane ????c) Ethane & Methane ????d)Propane & Ethane
???????????? 156 ???? ????Which of the f ollowing is the most responsible f or world water crisis? (Answer : C)
???????? ???????? ???????????? a) Dams ????b) Floods ????c) Drought ????d)Population growth
???????????? 157 ???? ????The resources that can be replaced by natur al ecological cycle is called (Answer : A)
???????? ???????? ???????????? a) Renewable ????b) Non-renewable ????c) exhaustible ????d)natur al
???????????? 158 ???? ????The amount of solar r adiation reaching the surf ace of the earth is called (Answer : A)
???????? ???????? ???????????? a) Solar flux ????b) reflected light ????c) miner als ????d)solvents
???????????? 159 ???? ????The most harmf ul of ultr aviolet r adiations are (Answer : A)
???????? ???????? ???????????? a) UV-C ????b) UV-B ????c) UV-A ????d)All the above
???????????? 160 ???? ????A renewable source of energy is (Answer : D)
???????? ???????? ???????????? a) Petroleum ????b) Coal ????c) Nuclear f uel ????d)Trees
???????????? 161 ???? ????The capacity to do work is termed as (Answer : D)
???????? ???????? ???????????? a) Power ????b) Force ????c) Strength ????d)Energy
???????????? 162 ???? ????The unit of total water content of the soil is known as (Answer : A)
???????? ???????? ???????????? a) Holard ????b) Chr aserd ????c) Echard ????d)All of the above
???????????? 163 ???? ????Pedology? (Answer : C)
???????? ???????? ???????????? a) Study of water ????b) Study of air ????c) Study of soil ????d)none
???????????? 164 ???? ????What is def orestation? (Answer : B)
???????? ???????? ???????????? a) Product of f orest ????b) Destruction of f orest ????c) Forest Protection ????d)none
???????????? 165 ???? ????Def orestation gener ally decreases (Answer : D)
???????? ???????? ???????????? a) Global Warming ????b) Drought ????c) Soil erosion ????d)Rainf all
???????????? 166 ???? ????Which among the f ollowing result in the f ormation of soil? (Answer : B)
???????? ???????? ???????????? a) Radiation ????b) Weathering ????c) Erosion ????d)Pollution
???????????? 167 ???? ????Mulching helps in (Answer : B)
???????? ???????? ???????????? a) soil f ertility ????b) moisture conservation ????c) improvements soil structure ????d)soil sterility
???????????? 168 ???? ????........................ is an example of ?bottom f eeders?. (Answer : A)
???????? ???????? ???????????? a) Cat fish ????b) Frog ????c) Snake ????d)Tadpole ????e)
???????????? 169 ???? ????..................... trees shed their leaves during winter and hot summer. (Answer : C)
???????? ???????? ???????????? a) (a) ever green ????b) b) conif erous ????c) c) deciduous ????d)d) Shola
???????????? 170 ???? ????...................... is a cold desert in India (Answer : B)
???????? ???????? ???????????? a) Thar ????b) Ladakh ????c) Ran of Kutch ????d)Bhopal
???????????? 171 ???? ????A lake ecosystem f unctions as a (Answer : A)
???????? ???????? ???????????? a) Ter ai ????b) Shola gr asslands ????c) Semi arid plains ????d)Himalayan pastures
???????????? 172 ???? ????An example of nitrogen fixing bacteria in the soil (Answer : C)
???????? ???????? ???????????? a) Rhizobium ????b) Nostoc ????c) Azotobacter ????d)Nitrobacter
???????????? 173 ???? ????An example of one way ecological cycle is (Answer : C)
???????? ???????? ???????????? a) carbon dioxide cycle ????b) water cycle ????c) energy cycle ????d)oxygen cycle
???????????? 174 ???? ????Br ackish water ecosystems in river deltas are among (Answer : B)
???????? ???????? ???????????? a) Least productive ecosystems ????b) Most productive in terms of biomass production ????c) c)
Unproductive d) Stagnant ecosystems ????d)
???????????? 175 ???? ????Ecology is (Answer : C)
???????? ???????? ???????????? a) The science that studies the evolution of lif e, ????b) b) Integr ates both social and natur al sciences to
help us understand how the earth works, ????c) c) The study of the relationships between organisms and their
environment ????d)d) The study of the environment in the absence of humans
???????????? 176 ???? ????Forests grow in high r ain f all areas are (Answer : A)
???????? ???????? ???????????? a) (a) ever green f orests ????b) b) temper ate f orests ????c) c) conif ers ????d)d) Tundr a
???????????? 177 ???? ????Fungi is a (Answer : D)
???????? ???????? ???????????? a) Macroconsumer ????b) Producer ????c) Carnivore d ????d)Microconsumer
???????????? 178 ???? ????Nitrogen fixing blue green alga (Answer : C)
???????? ???????? ???????????? a) Clostridium ????b) Rhizobium ????c) Nostoc ????d)Nitrosomonas
???????????? 179 ???? ????Nitrogen gas returns to the atmosphere by the action of (Answer : B)
???????? ???????? ???????????? a) Nitrogen fixing bacteria ????b) Denitrif ying bacteria ????c) Nitrif ying bacteria ????d)Nitr ate f ertilizers
???????????? 180 ???? ????Patches of tall gr asslands interspersed with Sal f orest ecosystem is (Answer : A)
???????? ???????? ???????????? a) ????b) ????c) ????d)
???????????? 181 ???? ????Ramsar Convention ref ers to the conservation of ____________ (Answer : B)
???????? ???????? ???????????? a) (a) Deserts ????b) b) Wetlands ????c) c) Agriculture lands, ????d)d) Forest land
???????????? 182 ???? ????Some species whose removal can af f ect the survival of an ecosystem are called (Answer : B)
???????? ???????? ???????????? a) ????b) b) Keystone species ????c) c) Producers ????d)d) Carnivores
???????????? 183 ???? ????Sunderbans is home to (Answer : B)
???????? ???????? ???????????? a) Giant permanent pond ????b) Tempor ary aquatic system ????c) Simplest aquatic ecosystem ????d)Water
tank
???????????? 184 ???? ????The conversion of ammonia to nitr ate is known as ________ (Answer : B)
???????? ???????? ???????????? a) (a) ammonification ????b) b) nitrification ????c) c) denitrification ????d)d) all of these
???????????? 185 ???? ????The f orests which occur in law r ain f all area is (Answer : B)
???????? ???????? ???????????? a) (a) Evergreen f orests ????b) b) deciduous f orests ????c) c) Conif erous f orest ????d)d) All the above.
???????????? 186 ???? ????The inherent ability of organisms to reproduce and multiply is called, (Answer : B)
???????? ???????? ???????????? a) C value ????b) b) biotic potential ????c) c) carrying capacity ????d)d) K value
???????????? 187 ???? ????The largest br ackish water lake situated in Asia is in Orissa. Which is the lake? (Answer : A)
???????? ???????? ???????????? a) (a) Chilka lake ????b) b) Vembanad lake ????c) c) Woolar lake ????d)d) Dal lake
???????????? 188 ???? ????The Little Rann of Kutch is home to (Answer : D)
???????? ???????? ???????????? a) Horse ????b) b) Great Indian Bustard ????c) c) Lion ????d)d) Wild Ass
???????????? 189 ???? ????The presence of which is necessary f or photosynthesis (Answer : B)
???????? ???????? ???????????? a) (a) Chlorof orm ????b) b) Chlorophyll ????c) c) Phosphorus ????d)d) Polymer
???????????? 190 ???? ????The process through which ecosystems tend to change after a period of time is called (Answer : A)
???????? ???????? ???????????? a) ????b) ????c) ????d)
???????????? 191 ???? ????The species that flower are called (Answer : C)
???????? ???????? ???????????? a) (a) gymnosperms ????b) b) bryophytes ????c) c) angiosperms ????d)d) algae
???????????? 192 ???? ????The term ?Eco? implies (Answer : A)
???????? ???????? ???????????? a) Environment ????b) Ecotone ????c) Ecotourism ????d)Soil
???????????? 193 ???? ????The term ?Ecology? was coined by (Answer : B)
???????? ???????? ???????????? a) A.G.Tansley ????b) Earnst Haeckel ????c) Aristotle ????d)Linnaeus
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???????????? 12 ???? ????World Environment Day (Answer : A)
???????? ???????? ???????????? a) 5th June ????b) 5th July ????c) 5th August ????d)5th September
???????????? 13 ???? ????The biggest award f or environmental activities in India is given in the name of an individual. In whose
name is it constituted? (Answer : C)
???????? ???????? ???????????? a) Lal Bahadur Shasthri ????b) Mor ar ji Desai ????c) Indir a Gandhi ????d)Kamar a j.
???????????? 14 ???? ????All f orms of water that comes down on Earth, including r ain, snow, hail etc. is known as _____________
(Answer : C)
???????? ???????? ???????????? a) Calcification ????b) Fixation ????c) Precipitation ????d)Accumulation
???????????? 15 ???? ????The ocean covers ________ percentage of Earth?s surf ace. (Answer : C)
???????? ???????? ???????????? a) 515 ????b) 0.61 ????c) 0.71 ????d)0.91
???????????? 16 ???? ????The portion of the earth and its environment which can support lif e is known as _________ (Answer : B)
???????? ???????? ???????????? a) Crust ????b) Biosphere ????c) Exosphere ????d)Atmosphere
???????????? 17 ???? ????What is troposphere? (Answer : C)
???????? ???????? ???????????? a) Portion of air ????b) Portion of water ????c) Lowest layer of atmosphere where we survive
????d)Portion of sky
???????????? 18 ???? ????The main energy source f or the environment is ________ (Answer : A)
???????? ???????? ???????????? a) Solar energy ????b) Chemical energy ????c) Bioelectric energy ????d)Electrical energy
???????????? 19 ???? ????What is UNCED? (Answer : C)
???????? ???????? ???????????? a) United Nations Conf erence on Education ????b) United Nations Conf erence on Environmental Day
????c) United Nations Conf erence on Environment and Development ????d)None of these.
???????????? 20 ???? ????Atmospheric humidity is measured by (Answer : C)
???????? ???????? ???????????? a) Auxanometer ????b) Photometer ????c) Hygrometer ????d)None
???????????? 21 ???? ????The area to which a species is biologically adapted to live is known (Answer : B)
???????? ???????? ???????????? a) Niche ????b) Habitat ????c) Succession ????d)Community
???????????? 22 ???? ????Study of inter-relationship between organisms and their environment is called (Answer : A)
???????? ???????? ???????????? a) Ecology ????b) Ecosystem ????c) Phytogeogr aphy ????d)Ethology
???????????? 23 ???? ????The term Ecology was coined by (Answer : B)
???????? ???????? ???????????? a) A.G.Tansley ????b) Earnst Haeckel ????c) Aristotle ????d)Linnaeus
???????????? 24 ???? ????An example of an abiotic component (Answer : B)
???????? ???????? ???????????? a) Plants ????b) Soil ????c) Animals ????d)Bacteria
???????????? 25 ???? ????The area to which a species is biologically adapted to live is known (Answer : B)
???????? ???????? ???????????? a) Niche ????b) Habitat ????c) Succession ????d)Community
???????????? 26 ???? ????The objective of environmental education is (Answer : D)
???????? ???????? ???????????? a) Raise consciousness about environmental education ????b) T o teach environmentally appropriate
behaviour ????c) Create an environmental ethic that f osters awareness about ecological inter-dependence of economics,
social and political ????d)All of the above
???????????? 27 ???? ????Which of the f ollowing is not influenced by human activities? (Answer : A)
???????? ???????? ???????????? a) Depletion of ground water ????b) Destruction of mangroves and wetlands ????c) Increased extinction
r ate of species ????d)None of the above
???????????? 28 ???? ????Environmental education is important only at (Answer : D)
???????? ???????? ???????????? a) Primary school stage ????b) Secondary school stage ????c) Collage stage ????d)All stages
???????????? 29 ???? ????Which of the f ollowing conceptual components of the environment are ef f ective tr ansporters of
matter? (Answer : A)
???????? ???????? ???????????? a) Atmosphere and hydrosphere ????b) (b) Atmosphere and lithosphere ????c) (c) Hydrosphere and
lithosphere ????d)(d) Lithosphere and biosphere
???????????? 30 ???? ????Biosphere is (Answer : B)
???????? ???????? ???????????? a) (a) The solid shell of inorganic materials on the surf ace of the Earth ????b) (b) The thin shell of
organic matter on the surf ace of earth comprising of all the living things ????c) (c) The sphere which occupies the
maximum volume of all the spheres ????d)(d) All of the above
???????????? 31 ???? ????Which of the f ollowing conceptual sphere of the environment is having the least stor age capacity f or
matter? (Answer : A)
???????? ???????? ???????????? a) (a) Atmosphere ????b) (b) Lithosphere ????c) (c) Hydrosphere ????d)(d) Biosphere
???????????? 32 ???? ????Which of the f ollowing is an example of impact of development activities on the Hydrosphere? (Answer
: D)
???????? ???????? ???????????? a) (a) Air pollution ????b) (b) Soil pollution ????c) (c) Soil erosion ????d)(d) Water pollution
???????????? 33 ???? ????Weather occurs in the Earths: (Answer : A)
???????? ???????? ???????????? a) (a) Troposhere ????b) (b) Mesophere ????c) (c) Ionosphere ????d)(d) Thermosphere
???????????? 34 ???? ????Biosphere is a term used to represent the: (Answer : C)
???????? ???????? ???????????? a) (a) Entire atmosphere consisting of troposphere, str atosphere, mesosphere, and thermosphere
????b) (b) Entire hydrosphere-representing the entire collection of water over the Earth as well as inside the Earth ????c) (c)
A small zone of Earth, where the lithosphere, hydrosphere, and atmosphere come in contact with one another ????d)(d)
Entire lithosphere-representing the solid Earth and its interior
???????????? 35 ???? ????The term ecology was introduced by: (Answer : A)
???????? ???????? ???????????? a) (a) Haeckel ????b) (b) Odum ????c) (c) Tansely ????d)(d) Ramdeo Mishr a
???????????? 36 ???? ????The study of inter actions between living and non-living organisms and environment is called (Answer :
B)
???????? ???????? ???????????? a) (a) Ecosystem ????b) (b) Ecology ????c) (c) Phyto-geogr aphy ????d)(d) Phytosociology
???????????? 37 ???? ????An ecosystem consist of (Answer : D)
???????? ???????? ???????????? a) (a) Green plants and animals ????b) (b) Green plants and decomposers ????c) (c) Producers and
consumers ????d)(d) Green plants, animals, decomposers and abiotic environment
???????????? 38 ???? ????The environment which has been modified by human activities is called (Answer : B)
???????? ???????? ???????????? a) (a) Natur al environment ????b) (b) Anthropogenic environment ????c) (c) Modem environment ????d)(d)
Urban environment
???????????? 39 ???? ????Which of the f ollowing statements is not true? (Answer : C)
???????? ???????? ???????????? a) (a) Inorganic nutrients are recycled in an ecosystem ????b) (b) Energy flows through the ecosystem
in the f orm of C-C bonds ????c) (c) Energy is recycled in an ecosystem ????d)(d) Respir ation process releases energy
???????????? 40 ???? ????Driving f orce in an ecosystem is (Answer : C)
???????? ???????? ???????????? a) (a) Plants ????b) (b) Producers ????c) (c) Solar energy ????d)(d) Biomass energy
???????????? 41 ???? ????Physical and chemical components of an ecosystem constitute (Answer : C)
???????? ???????? ???????????? a) (a) Biotic structure ????b) (b) Abioltic structure ????c) (c) Both of these ????d)(d) None of these
???????????? 42 ???? ????Which one of the f ollowing is an abiotic component of the ecosystem? (Answer : C)
???????? ???????? ???????????? a) (a) Bacteria ????b) (b) Plants ????c) (c) Humus ????d)(d) Fungi
???????????? 43 ???? ????Which of the f ollowing is a possible producer in an ecosystem? (Answer : A)
???????? ???????? ???????????? a) (a) Plants ????b) (b) Animals ????c) (c) Human beings ????d)(d) Fish
???????????? 44 ???? ????The organisms which f eed on dead organisms and excreta of living organisms are known (Answer : A)
???????? ???????? ???????????? a) (a) Decomposers ????b) (b) Consumers ????c) (c) Producers ????d)(d) Carnivores
???????????? 45 ???? ????A trophic level ref ers to: (Answer : C)
???????? ???????? ???????????? a) (a) Area in the tropics ????b) (b) An organism?s portion in a f ood chain ????c) (c) An organism?s
position in an ecosystem ????d)(d) An organism?s position in a biome
???????????? 46 ???? ????In a f ood chain animals constitute the: (Answer : C)
???????? ???????? ???????????? a) (a) First trophic level ????b) (b) Second trophic level ????c) (c) Intermediate trophic level ????d)(d)
Ultimate trophic level
???????????? 47 ???? ????The f ood chain in which microorganisms breakdown dead producers is called: (Answer : D)
???????? ???????? ???????????? a) (a) Consumer f ood chain ????b) (b) Predator f ood chain ????c) (c) Par asitic f ood chain ????d)(d) Detritus
f ood chain
???????????? 48 ???? ????Food chain starts with (Answer : A)
???????? ???????? ???????????? a) (a) Producer ????b) (b) Herbivores ????c) (c) Carnivores ????d)(d) Omnivores
???????????? 49 ???? ????In a f ood chain, humans are (Answer : D)
???????? ???????? ???????????? a) (a) Secondary consumers ????b) (b) Primary consumer ????c) (c) Producers ????d)(d) Primary and
secondary consumers both
???????????? 50 ???? ????Which one is the correct f ood chain? (Answer : A)
???????? ???????? ???????????? a) (a) Phytoplankton ?? Zooplankton ?? Fish ????b) (b) Zooplankton ?? Phytoplankton ?? Fish ????c)
(c) Zooplankton ?? Protozoans ?? Fish ????d)(d) Gr ass ?? Fish ?? Zooplankton
???????????? 51 ???? ????A f ood web consists of (Answer : A)
???????? ???????? ???????????? a) (a) Interlocking f ood chains ????b) (b) Producers, consumers and decomposers ????c) (c) A portion of
a f ood chain ????d)(d) A set of similar consumers
???????????? 52 ???? ????Food webs are (Answer : C)
???????? ???????? ???????????? a) (a) One kind of f ood ????b) (b) Not related to f ood chains at all ????c) (c) Inter-connected arr angement
of f ood chains ????d)(d) Linear arr angement of f ood chains
???????????? 53 ???? ????Pyr amid of number is given by (Answer : C)
???????? ???????? ???????????? a) (a) Haeckel ????b) (b) Odum ????c) (c) Elton ????d)(d) Tansely
???????????? 54 ???? ????Which ecological pyr amid is always upright? (Answer : C)
???????? ???????? ???????????? a) (a) Pyr amid of number ????b) (b) Pyr amid of biomass ????c) (c) Pyr amid of energy ????d)(d) Pyr amid of
number and biomass
???????????? 55 ???? ????An ecological pyr amid ref ers to the (Answer : D)
???????? ???????? ???????????? a) (a) Pyr amid of energy ????b) (b) Pyr amid of number ????c) (c) Pyr amid of biomass ????d)(d) All of the
above
???????????? 56 ???? ????An ecosystem may not undergo changes because: (Answer : A)
???????? ???????? ???????????? a) (a) It is in a state of homeostasis ????b) (b) It has plants and animals both ????c) (c) It gets solar
energy continuously ????d)(d) The decomposers are present in it
???????????? 57 ???? ????Energy flow in an ecosystem is always: (Answer : A)
???????? ???????? ???????????? a) (a) Unidirectional ????b) (b) Cyclic ????c) (c) Reversible ????d)(d) Multi-directional
???????????? 58 ???? ????The primary producers in a f orest ecosystem are: (Answer : A)
???????? ???????? ???????????? a) (a) Chlorophyll containing trees and plants ????b) (b) Herbivores ????c) (c) Carnivores ????d)(d) Bacteria
and other micro-organism
???????????? 59 ???? ????The desert among the f ollowing which is not a cold desert is: (Answer : D)
???????? ???????? ???????????? a) (a) Golbi desert ????b) (b) Patagonian desert ????c) (c) Atacama desert ????d)(d) Ma java desert
???????????? 60 ???? ????The darker zone in lakes where light penetr ation is negligible is called the: (Answer : D)
???????? ???????? ???????????? a) (a) Euphotic zone ????b) (b) Littor al zone ????c) (c) Limnetic zone ????d)(d) Benthic zone
???????????? 61 ???? ????The zone of a sea lying over the continental shelf is known as the: (Answer : B)
???????? ???????? ???????????? a) (a) Bathyl zone ????b) (b) Neritic zone ????c) (c) Abyssal zone ????d)(d) Littor al zone
???????????? 62 ???? ????Which one of the f ollowing is not a fresh water biome? (Answer : A)
???????? ???????? ???????????? a) (a) Lotic ????b) (b) Lentic ????c) (c) Spings ????d)(d) Deep sea
???????????? 63 ???? ????Tendency of pollutants to become concentr ated in successive trophic levels is known as: (Answer : A)
???????? ???????? ???????????? a) (a) Biomagnification ????b) (b) Biorhythm ????c) (c) Bioremediation ????d)(d) Biopir acy
???????????? 64 ???? ????Eutrophication is: (Answer : B)
???????? ???????? ???????????? a) (a) An improved water quality status of lakes ????b) (b) The result of accumulation of plant nutrients
in water bodies ????c) (c) A process in the carbon cycle ????d)(d) A water purification technique
???????????? 65 ???? ????Increase in f auna and decrease in flor a would be harmf ul due to increase in: (Answer : B)
???????? ???????? ???????????? a) (a) Diseases ????b) (b) CO ????c) (c) O2 ????d)(d) Radioactive pollution
???????????? 66 ???? ????The largest reservoir of nitrogen an our planet is: (Answer : B)
???????? ???????? ???????????? a) (a) Ocean ????b) (b) Atmosphere ????c) (c) Biosphere ????d)(d) Fossil f uels
???????????? 67 ???? ????Overgr azing results in: (Answer : A)
???????? ???????? ???????????? a) (a) Soil erosion ????b) (b) Retention of usef ul species ????c) (c) Productive soils ????d)(d) All of the
above
???????????? 68 ???? ????In the world, the economy of the India is: (Answer : D)
???????? ???????? ???????????? a) (a) Largest ????b) (b) Third largest ????c) (c) Second largest ????d)(d) Fourth largest
???????????? 69 ???? ????In services output, India is: (Answer : C)
???????? ???????? ???????????? a) 10 ????b) 12 ????c) 15 ????d)4
???????????? 70 ???? ?????Smog? is a mixture of (Answer : A)
???????? ???????? ???????????? a) a) Smoke and Fog ????b) (b) Snow and Fog ????c) ( c) Snow and Dust ????d)(d) Sulphur Dioxide and
Fog
???????????? 71 ???? ????A liquid f uel that was f ormed from the ancient remains of sea plants and animals is (Answer : B)
???????? ???????? ???????????? a) Natur al gasb ????b) Petroleumc ????c) Geothermal energyd ????d)Coal
???????????? 72 ???? ????A poisonous gas given out of vehicles exhaust is (Answer : A)
a) Carbon monoxideb ????b) Ethanec ????c) Methaned ????d)Carbon dioxide
???????????? 73 ???? ????A product of photosynthesis is (Answer : C)
???????? ???????? ???????????? a) Carbon dioxideb ????b) Waterc ????c) Oxygend ????d)Chlorophyll
???????????? 74 ???? ????Atmosphere consists of 79 percent Nitrogen and 21 percent Oxygen by (Answer : B)
???????? ???????? ???????????? a) Volumeb ????b) Weightc ????c) Densityd ????d)All of these
???????????? 75 ???? ????Biogas contains mainly (Answer : B)
???????? ???????? ???????????? a) Carbon dioxideb ????b) Methanec ????c) Butaned ????d)Propane
???????????? 76 ???? ????Carbon dioxide constitutes about 0.03% of the atmosphere (Answer : A)
???????? ???????? ???????????? a) By volume(b ????b) By weight(c ????c) By mass(d ????d)None of these
???????????? 77 ???? ????Development activities on the hydrosphere cause (Answer : C)
???????? ???????? ???????????? a) Air pollutionb ????b) Soil pollutionc ????c) Water pollutiond ????d)Soil erosion
???????????? 78 ???? ????Energy flow in an ecosystem is (Answer : C)
???????? ???????? ???????????? a) Bidirectionalb ????b) Unidirectionalc ????c) Multidirectionald ????d)All rounds
???????????? 79 ???? ????Energy from the heat inside the earth is (Answer : B)
???????? ???????? ???????????? a) a Natur al gas ????b) Geothermalc ????c) Petroleumd ????d)Terr athermal
???????????? 80 ???? ????Energy in the r ays from the sun is called (Answer : A)
???????? ???????? ???????????? a) Solar energyb ????b) Wind energyc ????c) Tidal energyd ????d)Water energy
???????????? 81 ???? ????Environment is the lif e support system that includes (Answer : D)
???????? ???????? ???????????? a) Airb ????b) Waterc ????c) Landd ????d)All of the above
???????????? 82 ???? ????Extensive planting of trees to increase cover is called (Answer : A)
???????? ???????? ???????????? a) Af f orestation(b ????b) Agrof orestation(c ????c) Def orestation(d ????d)Social f orestry
???????????? 83 ???? ????Extensive planting of trees to increase f orest cover is called (Answer : A)
???????? ???????? ???????????? a) Af f orestation, b ????b) Agrof orestry, c ????c) Def orestation, d ????d)Social f orestry
???????????? 84 ???? ????Forest and wild lif e are (Answer : A)
???????? ???????? ???????????? a) Renewable resource(b ????b) Non-renewable resources (c ????c) Inexhaustible resources (d ????d)None
of these
???????????? 85 ???? ????Forests prevent soil erosion by binding soil particles in their (Answer : B)
???????? ???????? ???????????? a) Leaves(b ????b) Roots(c ????c) Buds(d ????d)Stems
???????????? 86 ???? ????Formation of hole in Ozone is maximum over (Answer : C)
???????? ???????? ???????????? a) Indiab ????b) Europec ????c) Antarcticad ????d)Africa
???????????? 87 ???? ????Fossil f uel and metallic miner als are: (Answer : C)
???????? ???????? ???????????? a) Renewable resource (b ????b) Inexhaustible resources (c ????c) Non-renewable resources (d ????d)None
of these
???????????? 88 ???? ????Green house ef f ect is linked to (Answer : C)
???????? ???????? ???????????? a) Nitrogen oxidesb ????b) Sulphur dioxidesc ????c) Carbon dioxidesd ????d)Carbon monoxides
???????????? 89 ???? ????In our country the percentage of land under f orest is about: (Answer : B)
???????? ???????? ???????????? a) 20%(b ????b) 19%(c ????c) 25%(d ????d)30%
???????????? 90 ???? ????In respect of water crisis, there have been conflicts/disputes between two countries, or states of the
same country. Which of the f ollowing has never been the case of water conflict? (Answer : D)
???????? ???????? ???????????? a) Cauvery water dispute between Tamil Nadu and Karnataka (b ????b) Yamuna-Betwa dispute between
U.P. and M.P. (c ????c) Sutlej Yamuna Link (SYL ????d)canal dispute between Pun jab and Haryana (d
???????????? 91 ???? ????Instrumentation technology used to locate suitable places f or mining (Answer : C)
???????? ???????? ???????????? a) a) Microscope ????b) b) Salinometer ????c) c) GIS ????d)d) camer a tr ap
???????????? 92 ???? ????Kaveri water dispute is in between: (Answer : D)
???????? ???????? ???????????? a) India and Pakistan (b ????b) Pun jab and Haryana (c ????c) Uttar Pr adesh and Madhya Pr adesh (d
????d)Karnataka and Tamil Nadu
???????????? 93 ???? ????Khetri (Ra jasthan) is f amous f or: (Answer : B)
???????? ???????? ???????????? a) Coal mines(b ????b) Copper mines(c ????c) Gr anite stone(d ????d)Marble stone
???????????? 94 ???? ????Main source of acid r ain is (Answer : A)
???????? ???????? ???????????? a) Sulphur dioxideb ????b) Nitrogenc ????c) Carbon dioxided ????d)Carbon monoxide
???????????? 95 ???? ????Ma jor consumer of wood from f orest is ___________ (Answer : B)
???????? ???????? ???????????? a) Thermal Power Plant ????b) Paper Industry ????c) Chemistry Industry ????d)none
???????????? 96 ???? ????Moisture in the air is known as (Answer : D)
???????? ???????? ???????????? a) a) Water ????b) (b) Fog ????c) ( c) Snow ????d)(d) Humidity
???????????? 97 ???? ????Name the country which virtually closed cod fishery in the 1990?s due to depletion of fish reserves
(Answer : A)
???????? ???????? ???????????? a) a) Canada ????b) b) Argentina ????c) c) Italy ????d)d) India
???????????? 98 ???? ????Name the financial agency which hesistate to support the Sardar Sarovar Pro ject in India in 1993 a result
of the demands of local people threatened with the loss of their livelihoods and homes in the submergence area.
(Answer : B)
???????? ???????? ???????????? a) a) Swiss bank ????b) b) World Bank ????c) c) Bank of India ????d)d) International Monetary Fund
???????????? 99 ???? ????Nitrogen constitutes about 78% of the atmosphere (Answer : C)
???????? ???????? ???????????? a) By weight(b ????b) By mass(c ????c) By volume(d ????d)None of these
???????????? 100 ???? ????Noise is measured by sound meter and the unit is (Answer : C)
???????? ???????? ???????????? a) Hertzb ????b) Joulec ????c) Decibeld ????d)Seconds
???????????? 101 ???? ????One of India?s serious environmental problems is f orest degr adation. What is the main cause of f orest
degr adation? (Answer : A)
???????? ???????? ???????????? a) timber extr action ????b) honey extr action ????c) high altitude ????d)Low Rainf all
???????????? 102 ???? ????Ozone day is observed on (Answer : B)
???????? ???????? ???????????? a) 3rd Januaryb ????b) 16th Septemberc ????c) 10th Novemberd ????d)26th March
???????????? 103 ???? ????Ozone Umbrella is located in which layer of atmosphere (Answer : B)
???????? ???????? ???????????? a) a) Troposphere ????b) (b) Str atosphere ????c) (c) Mesosphere ????d)(d) Ionosphere
???????????? 104 ???? ????Peeling of Ozone umbrella, which protects us from UV r ays, is caused by (Answer : B)
???????? ???????? ???????????? a) Carbon monoxideb ????b) CFCsc ????c) Coal burningd ????d)Methane
???????????? 105 ???? ????Soil erosion removes surf ace soil which contains (Answer : A)
???????? ???????? ???????????? a) Organic matterb ????b) Plant nutrientsc ????c) Both a and bd ????d)none of the above
???????????? 106 ???? ????Sustainable development means (Answer : C)
???????? ???????? ???????????? a) a. meeting present needs without compromising on f uture needs ????b) b. progress of human beings
????c) c. balance between human needs and the ability of earth to provide the resources ????d)d. all of the above
???????????? 107 ???? ????The adverse ef f ect of modern agriculture is (Answer : B)
???????? ???????? ???????????? a) Water pollutionb ????b) Soil degr adationc ????c) Water loggingd ????d)All of the above
???????????? 108 ???? ????The f ossil f uel that is derived from the dead remains of plants that grew some 250 million years ago is
(Answer : C)
???????? ???????? ???????????? a) Petroleumb ????b) Natur al gasc ????c) Coald ????d)LPG
???????????? 109 ???? ????The impact of construction of dams (Answer : D)
???????? ???????? ???????????? a) Submerged f orest b ????b) Loss of wild lif e habitat c ????c) Damages downstream ecosystem d ????d)All
of the above
???????????? 110 ???? ????The ma jor cause f or land degr adation in our country is (Answer : A)
???????? ???????? ???????????? a) Soil erosion(b ????b) Pollution of soil(c ????c) Water-logging(d ????d)None of the above
???????????? 111 ???? ????The ma jor reason f or floods in the rivers Ganges and Br ahmaputr a is ________ (Answer : B)
???????? ???????? ???????????? a) a) Dams in Himalayas ????b) b) Def orestation in Himalayas ????c) c) Heavy r ains ????d)d) Melting of ice
???????????? 112 ???? ????The method of r ainwater harvesting which can be adopted by individual house owners is (Answer : D)
???????? ???????? ???????????? a) Construction of recharge trenches (b ????b) On channel stor age of water (c ????c) Creation of new
water bodies (d ????d)Roof-top r ainwater harvesting
???????????? 113 ???? ????The percentage of total world?s precipitation, which is lost to the atmosphere through evapor ation,
approximates to: (Answer : A)
???????? ???????? ???????????? a) 57%(b ????b) 7%(c ????c) 37%(d ????d)43%
???????????? 114 ???? ????The process of restoring f orests that once existed but was removed at some time in the past is known
as (Answer : B)
???????? ???????? ???????????? a) Af f orestationb ????b) Ref orestationc ????c) Def orestationd ????d)None of these
???????????? 115 ???? ????The share of Hydropower (Hydel pro jects) in worlds commercial electricity production is less than ________
(Answer : D)
???????? ???????? ???????????? a) 2.00% ????b) 4.00% ????c) 12.00% ????d)20.00%
???????????? 116 ???? ????The species restricted to be present in one region are called (Answer : B)
???????? ???????? ???????????? a) Edge speciesb ????b) Endemic species c ????c) Endangered species d ????d)Keystone species
???????????? 117 ???? ????The teeth are likely to be pitted, more susceptible to cavities and wear, when the fluoride concentr ation
is: (Answer : D)
???????? ???????? ???????????? a) More than 2 mg/1 (b ????b) More than 40 mg/1 (c ????c) More than 20 mg/1 (d ????d)More than 4 mg/1
???????????? 118 ???? ????The term ?Environment? has been derived from the French word which means to encircle or surround
(Answer : A)
???????? ???????? ???????????? a) Environb ????b) Oikosc ????c) Geod ????d)Aqua
???????????? 119 ???? ????Wetlands in the flood plains of rivers are also considered as nature?s ________ (Answer : C)
???????? ???????? ???????????? a) a) Heat sink ????b) b) carbon sink ????c) c) flood control systems ????d)d) swimming pool
???????????? 120 ???? ????What are rodenticides? (Answer : C)
???????? ???????? ???????????? a) that kill fishes ????b) that kill insects ????c) that kill r ats ????d)that kill crocos
???????????? 121 ???? ????What is Kyoto Protocol? (Answer : A)
???????? ???????? ???????????? a) a. It is an agreement among countries to take steps f or reducing global warming. ????b) b. It is an
agreement among countries to take steps f or reducing acid r ain. ????c) c. It is an agreement among countries to take steps
f or planting trees to control pollution. ????d)d. It is an agreement among countries to start using nuclear energy.
???????????? 122 ???? ????What is the ma jor limiting f actor in the arid areas of our country? (Answer : C)
???????? ???????? ???????????? a) a) Money ????b) b) f orests ????c) c) water ????d)d) soil
???????????? 123 ???? ????What kind of people are the most ill-af f ected by the construction of dams? (Answer : D)
???????? ???????? ???????????? a) a) Urban dwellers ????b) b) beach dwellers ????c) c) tourists ????d)d) tribal people
???????????? 124 ???? ????When fluoride concentr ation in H2O exceeds about 1.5 mg/1, the disease that may be caused, is
(Answer : B)
???????? ???????? ???????????? a) Dental caries in children(b ????b) Fluorosis(c ????c) Polymyelitis(d ????d)Methemoglobinemia
???????????? 125 ???? ????Which among the f ollowing is a sedimentary type of cycle? (Answer : A)
???????? ???????? ???????????? a) Sulphur cycle(b ????b) Nitrogen cycle(c ????c) Oxygen cycle(d ????d)Carbon cycle
???????????? 126 ???? ????Which gas is responsible f or ozone layer depletion around earth? (Answer : B)
???????? ???????? ???????????? a) Carbon dioxideb ????b) Chlorofluorocarbonsc ????c) Oxygend ????d)Nitrogen oxide
???????????? 127 ???? ????Which gas is responsible f or the global warming? (Answer : B)
???????? ???????? ???????????? a) Nitrogenb ????b) Carbon dioxidec ????c) Noble gasesd ????d)Hydrogen
???????????? 128 ???? ????Which is a list of renewable resources? (Answer : D)
???????? ???????? ???????????? a) Petroleum, geothermal, wind b ????b) Biomass, geothermal, hydropower c ????c) Natur al gas, wind,
biomass d ????d)Hydropower, solar, wind energy
???????????? 129 ???? ????Which is the only country who has not r atified the Kyoto Protocol yet? (Answer : A)
???????? ???????? ???????????? a) United States ????b) Austr alia ????c) Japan ????d)India
???????????? 130 ???? ????Which of below items is the ma jor sector which extr acts most of fresh water available f or utilization?
(Answer : D)
???????? ???????? ???????????? a) domestic use ????b) drinking water ????c) bever age industry ????d)agriculture
???????????? 131 ???? ????Which of the f ollowing are consequences of ozone depletion (Answer : A)
???????? ???????? ???????????? a) Skin cancer and catar actb ????b) Reduced growth in plants c ????c) Shortening of zooplanktons and
their breeding period d ????d)All of the above
???????????? 132 ???? ????Which of the f ollowing are ma jor environmental issues involved in mining? (Answer : D)
???????? ???????? ???????????? a) air pollutionb ????b) water pollutionc ????c) soil degr adationd ????d)all of the above
???????????? 133 ???? ????Which of the f ollowing ef f ect is responsible f or Global Warming? (Answer : A)
???????? ???????? ???????????? a) Green house ef f ectb ????b) Radioactive ef f ectc ????c) Solar ef f ectd ????d)Nuclear ef f ect
???????????? 134 ???? ????Which of the f ollowing is management option f or air pollution? (Answer : D)
???????? ???????? ???????????? a) Regulations and standardsb ????b) Tr ansport planningc ????c) Using CNG as f ueld ????d)All of these
???????????? 135 ???? ????Which of the f ollowing is not a method f or water conservation? (Answer : B)
???????? ???????? ???????????? a) Rainwater harvesting(b ????b) Groundwater extr action (c ????c) Improving irrigation ef ficiency (d
????d)Avoiding water wastage
???????????? 136 ???? ????Which of the f ollowing is not a viable protection against def orestation? (Answer : C)
???????? ???????? ???????????? a) Reduce the consumption of f orest and related products (b ????b) Boycott products of companies
involve in def orestation (c ????c) Privatisation of f orest land (d ????d)Environmental education
???????????? 137 ???? ????Which of the f ollowing is not influenced by human activities? (Answer : D)
???????? ???????? ???????????? a) Destruction of mangroves and wetlands b ????b) Depletion of ground water c ????c) Increased
extinction r ate of species d ????d)None of the above
???????????? 138 ???? ????Which of the f ollowing is not true about def orestation? (Answer : C)
???????? ???????? ???????????? a) Population explosion is one of the reasons f or def orestation (b ????b) Cleaning of f orest f or
agriculture causes def orestation. (c ????c) Def orestation is taking place only in developing courtiers. (d ????d)Cash crop
economy of third world is a cause of def orestation.
???????????? 139 ???? ????Which of the f ollowing is responsible f or desertification? (Answer : D)
???????? ???????? ???????????? a) Def orestation(b ????b) Mining(c ????c) Overgr azing(d ????d)All of the above
???????????? 140 ???? ????Which of the f ollowing statements about the f orest is not correct? (Answer : D)
???????? ???????? ???????????? a) Forest reduces soil erosion (b ????b) Provides recreational opportunities (c ????c) Provides economic
development (d ????d)None of the above
???????????? 141 ???? ????Which of these is not a f ossil f uel? (Answer : D)
???????? ???????? ???????????? a) Coalb ????b) Oilc ????c) Natur al gasd ????d)Ur anium
???????????? 142 ???? ????Which one of the f ollowing is not an ideal solution f or tackling water shortages? (Answer : D)
???????? ???????? ???????????? a) Controlling population growth (b ????b) Conserving water in irrigation (c ????c) Controlling water
pollution (d ????d)Drilling large number of deep bore wells
???????????? 143 ???? ????Which one of the f ollowing regions in India is a hotspot of biodiversity? (Answer : B)
???????? ???????? ???????????? a) Sundarbansb ????b) Western Ghatsc ????c) Eastern Ghatsd ????d)Gangetic plains
???????????? 144 ???? ????World environment day is on: (Answer : B)
???????? ???????? ???????????? a) 5th Mayb ????b) 5th Junec ????c) 18th Julyd ????d)16th August
???????????? 145 ???? ????World Forest day is celebr ated on (Answer : A)
???????? ???????? ???????????? a) 21st March b ????b) 5th June c ????c) 1st Dec d ????d)7th June
???????????? 146 ???? ????Yellowing of Ta j Mahal is an ef f ect of (Answer : A)
???????? ???????? ???????????? a) Acid r ainb ????b) Global warmingc ????c) Ozone depletiond ????d)All of the above
???????????? 147 ???? ????Green Revolution in India was initiated by __________ (Answer : A)
???????? ???????? ???????????? a) M.S. Swaminathan ????b) Sunderlal Bahuguna ????c) Kurien ????d)Medha Patkar
???????????? 148 ???? ????Who wrote the book Violence of Green Revolution (Answer : A)
???????? ???????? ???????????? a) Vandana Siva ????b) Sheela Dikshit ????c) Menaka Gandhi ????d)Arundhathi Roy.
???????????? 149 ???? ????World Forest day is celebr ated on (Answer : A)
???????? ???????? ???????????? a) 21st March ????b) 5th June ????c) 1st Dec ????d)7th June
???????????? 150 ???? ????The Chipko movement is started by (Answer : B)
???????? ???????? ???????????? a) Engler ????b) Sunderlal Bahuguna ????c) Medha Padkar ????d)None of these
???????????? 151 ???? ????Green revolution is associated with _________ (Answer : B)
???????? ???????? ???????????? a) sericulture ????b) Agriculture ????c) Fish culture ????d)silviculture
???????????? 152 ???? ????Which gas is likely to be reduced in the atmosphere by def orestation? (Answer : C)
???????? ???????? ???????????? a) Carbon dioxide ????b) Nitrogen ????c) Oxygen ????d)Sulphur dioxide
???????????? 153 ???? ????Extensive planting of trees to increase f orest cover is called (Answer : A)
???????? ???????? ???????????? a) Af f orestation ????b) Agrof orestry ????c) Def orestation ????d)Social f orestry
???????????? 154 ???? ????Soil erosion can be prevented by (Answer : B)
???????? ???????? ???????????? a) Def orestation ????b) Af f orestation ????c) Overgr azing ????d)Removal of vegetation
???????????? 155 ???? ????The components of LPG are _____________ (Answer : B)
???????? ???????? ???????????? a) Methane & Hexane ????b) Propane & Butane ????c) Ethane & Methane ????d)Propane & Ethane
???????????? 156 ???? ????Which of the f ollowing is the most responsible f or world water crisis? (Answer : C)
???????? ???????? ???????????? a) Dams ????b) Floods ????c) Drought ????d)Population growth
???????????? 157 ???? ????The resources that can be replaced by natur al ecological cycle is called (Answer : A)
???????? ???????? ???????????? a) Renewable ????b) Non-renewable ????c) exhaustible ????d)natur al
???????????? 158 ???? ????The amount of solar r adiation reaching the surf ace of the earth is called (Answer : A)
???????? ???????? ???????????? a) Solar flux ????b) reflected light ????c) miner als ????d)solvents
???????????? 159 ???? ????The most harmf ul of ultr aviolet r adiations are (Answer : A)
???????? ???????? ???????????? a) UV-C ????b) UV-B ????c) UV-A ????d)All the above
???????????? 160 ???? ????A renewable source of energy is (Answer : D)
???????? ???????? ???????????? a) Petroleum ????b) Coal ????c) Nuclear f uel ????d)Trees
???????????? 161 ???? ????The capacity to do work is termed as (Answer : D)
???????? ???????? ???????????? a) Power ????b) Force ????c) Strength ????d)Energy
???????????? 162 ???? ????The unit of total water content of the soil is known as (Answer : A)
???????? ???????? ???????????? a) Holard ????b) Chr aserd ????c) Echard ????d)All of the above
???????????? 163 ???? ????Pedology? (Answer : C)
???????? ???????? ???????????? a) Study of water ????b) Study of air ????c) Study of soil ????d)none
???????????? 164 ???? ????What is def orestation? (Answer : B)
???????? ???????? ???????????? a) Product of f orest ????b) Destruction of f orest ????c) Forest Protection ????d)none
???????????? 165 ???? ????Def orestation gener ally decreases (Answer : D)
???????? ???????? ???????????? a) Global Warming ????b) Drought ????c) Soil erosion ????d)Rainf all
???????????? 166 ???? ????Which among the f ollowing result in the f ormation of soil? (Answer : B)
???????? ???????? ???????????? a) Radiation ????b) Weathering ????c) Erosion ????d)Pollution
???????????? 167 ???? ????Mulching helps in (Answer : B)
???????? ???????? ???????????? a) soil f ertility ????b) moisture conservation ????c) improvements soil structure ????d)soil sterility
???????????? 168 ???? ????........................ is an example of ?bottom f eeders?. (Answer : A)
???????? ???????? ???????????? a) Cat fish ????b) Frog ????c) Snake ????d)Tadpole ????e)
???????????? 169 ???? ????..................... trees shed their leaves during winter and hot summer. (Answer : C)
???????? ???????? ???????????? a) (a) ever green ????b) b) conif erous ????c) c) deciduous ????d)d) Shola
???????????? 170 ???? ????...................... is a cold desert in India (Answer : B)
???????? ???????? ???????????? a) Thar ????b) Ladakh ????c) Ran of Kutch ????d)Bhopal
???????????? 171 ???? ????A lake ecosystem f unctions as a (Answer : A)
???????? ???????? ???????????? a) Ter ai ????b) Shola gr asslands ????c) Semi arid plains ????d)Himalayan pastures
???????????? 172 ???? ????An example of nitrogen fixing bacteria in the soil (Answer : C)
???????? ???????? ???????????? a) Rhizobium ????b) Nostoc ????c) Azotobacter ????d)Nitrobacter
???????????? 173 ???? ????An example of one way ecological cycle is (Answer : C)
???????? ???????? ???????????? a) carbon dioxide cycle ????b) water cycle ????c) energy cycle ????d)oxygen cycle
???????????? 174 ???? ????Br ackish water ecosystems in river deltas are among (Answer : B)
???????? ???????? ???????????? a) Least productive ecosystems ????b) Most productive in terms of biomass production ????c) c)
Unproductive d) Stagnant ecosystems ????d)
???????????? 175 ???? ????Ecology is (Answer : C)
???????? ???????? ???????????? a) The science that studies the evolution of lif e, ????b) b) Integr ates both social and natur al sciences to
help us understand how the earth works, ????c) c) The study of the relationships between organisms and their
environment ????d)d) The study of the environment in the absence of humans
???????????? 176 ???? ????Forests grow in high r ain f all areas are (Answer : A)
???????? ???????? ???????????? a) (a) ever green f orests ????b) b) temper ate f orests ????c) c) conif ers ????d)d) Tundr a
???????????? 177 ???? ????Fungi is a (Answer : D)
???????? ???????? ???????????? a) Macroconsumer ????b) Producer ????c) Carnivore d ????d)Microconsumer
???????????? 178 ???? ????Nitrogen fixing blue green alga (Answer : C)
???????? ???????? ???????????? a) Clostridium ????b) Rhizobium ????c) Nostoc ????d)Nitrosomonas
???????????? 179 ???? ????Nitrogen gas returns to the atmosphere by the action of (Answer : B)
???????? ???????? ???????????? a) Nitrogen fixing bacteria ????b) Denitrif ying bacteria ????c) Nitrif ying bacteria ????d)Nitr ate f ertilizers
???????????? 180 ???? ????Patches of tall gr asslands interspersed with Sal f orest ecosystem is (Answer : A)
???????? ???????? ???????????? a) ????b) ????c) ????d)
???????????? 181 ???? ????Ramsar Convention ref ers to the conservation of ____________ (Answer : B)
???????? ???????? ???????????? a) (a) Deserts ????b) b) Wetlands ????c) c) Agriculture lands, ????d)d) Forest land
???????????? 182 ???? ????Some species whose removal can af f ect the survival of an ecosystem are called (Answer : B)
???????? ???????? ???????????? a) ????b) b) Keystone species ????c) c) Producers ????d)d) Carnivores
???????????? 183 ???? ????Sunderbans is home to (Answer : B)
???????? ???????? ???????????? a) Giant permanent pond ????b) Tempor ary aquatic system ????c) Simplest aquatic ecosystem ????d)Water
tank
???????????? 184 ???? ????The conversion of ammonia to nitr ate is known as ________ (Answer : B)
???????? ???????? ???????????? a) (a) ammonification ????b) b) nitrification ????c) c) denitrification ????d)d) all of these
???????????? 185 ???? ????The f orests which occur in law r ain f all area is (Answer : B)
???????? ???????? ???????????? a) (a) Evergreen f orests ????b) b) deciduous f orests ????c) c) Conif erous f orest ????d)d) All the above.
???????????? 186 ???? ????The inherent ability of organisms to reproduce and multiply is called, (Answer : B)
???????? ???????? ???????????? a) C value ????b) b) biotic potential ????c) c) carrying capacity ????d)d) K value
???????????? 187 ???? ????The largest br ackish water lake situated in Asia is in Orissa. Which is the lake? (Answer : A)
???????? ???????? ???????????? a) (a) Chilka lake ????b) b) Vembanad lake ????c) c) Woolar lake ????d)d) Dal lake
???????????? 188 ???? ????The Little Rann of Kutch is home to (Answer : D)
???????? ???????? ???????????? a) Horse ????b) b) Great Indian Bustard ????c) c) Lion ????d)d) Wild Ass
???????????? 189 ???? ????The presence of which is necessary f or photosynthesis (Answer : B)
???????? ???????? ???????????? a) (a) Chlorof orm ????b) b) Chlorophyll ????c) c) Phosphorus ????d)d) Polymer
???????????? 190 ???? ????The process through which ecosystems tend to change after a period of time is called (Answer : A)
???????? ???????? ???????????? a) ????b) ????c) ????d)
???????????? 191 ???? ????The species that flower are called (Answer : C)
???????? ???????? ???????????? a) (a) gymnosperms ????b) b) bryophytes ????c) c) angiosperms ????d)d) algae
???????????? 192 ???? ????The term ?Eco? implies (Answer : A)
???????? ???????? ???????????? a) Environment ????b) Ecotone ????c) Ecotourism ????d)Soil
???????????? 193 ???? ????The term ?Ecology? was coined by (Answer : B)
???????? ???????? ???????????? a) A.G.Tansley ????b) Earnst Haeckel ????c) Aristotle ????d)Linnaeus
???????????? 194 ???? ????The word Biophilia was coined by (Answer : D)
???????? ???????? ???????????? a) Dr. Hackel ????b) Dr.Johanssen ????c) Dr. Ben jamine ????d)E. O. Wilson
???????????? 195 ???? ????What is Dendrology? (Answer : C)
???????? ???????? ???????????? a) Study of Plants ????b) Study of Butterflies ????c) Study of Trees ????d)None of these
???????????? 196 ???? ????What is edge species? (Answer : A)
???????? ???????? ???????????? a) The species which occur abundantly in the ecotone ????b) b) Species on the verge of extinction ????c)
c) Rare species ????d)d) Endemic species
???????????? 197 ???? ????What is symbiosis? (Answer : C)
???????? ???????? ???????????? a) Study of distribution of related species ????b) b) Association between members of same species
????c) c) Association between members of two species ????d)d) None
???????????? 198 ???? ????When number of f ood chains is interlocked this is called (Answer : C)
???????? ???????? ???????????? a) f ood link ????b) f ood chain ????c) f ood web ????d)pyr amid
???????????? 199 ???? ????Which is an example f or sedimentary biogeochemical cycle (Answer : D)
???????? ???????? ???????????? a) Oxygen cycle ????b) Nitrogen cycle ????c) Water cycle ????d)Phosphorus cycle
???????????? 200 ???? ????Which is the second largest in species richness? (Answer : C)
???????? ???????? ???????????? a) Desert ????b) b) Tundr a ????c) c) Cor al reefs ????d)d) Flowing water
???????????? 201 ???? ????Gr assland of USA is ref erred to as (Answer : A)
???????? ???????? ???????????? a) Pr airies ????b) Steppes ????c) Pampas ????d)Veldts
???????????? 202 ???? ????The complex network of interconnected f ood chains is called ___________ (Answer : B)
???????? ???????? ???????????? a) Trophic level ????b) Food web ????c) Ecological pyr amid ????d)Ecology chain
???????????? 203 ???? ????The animal which consumes decaying organic matter is _________ (Answer : B)
???????? ???????? ???????????? a) Carnivore ????b) Detritivore ????c) Herbivore ????d)Producers
???????????? 204 ???? ????An ecosystem gr adually merges with an adjoining one through a tr ansitional zone is called the
______________ (Answer : C)
???????? ???????? ???????????? a) Ecological niche ????b) ecological f ootprint ????c) ecotone ????d)Shore ef f ect
???????????? 205 ???? ????The Primary Consumers are also called as (Answer : A)
???????? ???????? ???????????? a) Herbivores ????b) Carnivores ????c) Enzymes ????d)None of these
???????????? 206 ???? ????The f orests which occur in law r ain f all area is called (Answer : B)
???????? ???????? ???????????? a) Evergreen f orests ????b) deciduous f orests ????c) Conif erous f orest ????d)All the above
???????????? 207 ???? ????Favor able morphological and physiological response to a change in environment is called (Answer : D)
???????? ???????? ???????????? a) Preadaptation ????b) Ecotyping ????c) Formation of ecophenes ????d)Acclimatization
???????????? 208 ???? ????Plants adapted to open, sunny habitats are (Answer : B)
???????? ???????? ???????????? a) Sciophytes ????b) Heliophytes ????c) Mesophytes ????d)Epiphytes
???????????? 209 ???? ????Temper ate f orests occur in India in (Answer : B)
???????? ???????? ???????????? a) Indo-gangetic plains ????b) Himalayas ????c) Eastern India ????d)Southern peninsula
???????????? 210 ???? ????In India, tropical evergreen f orests occur in (Answer : C)
???????? ???????? ???????????? a) Himachal Pr adesh ????b) Madhya Pr adesh ????c) Assam ????d)Tamil Nadu
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???????????? 12 ???? ????World Environment Day (Answer : A)
???????? ???????? ???????????? a) 5th June ????b) 5th July ????c) 5th August ????d)5th September
???????????? 13 ???? ????The biggest award f or environmental activities in India is given in the name of an individual. In whose
name is it constituted? (Answer : C)
???????? ???????? ???????????? a) Lal Bahadur Shasthri ????b) Mor ar ji Desai ????c) Indir a Gandhi ????d)Kamar a j.
???????????? 14 ???? ????All f orms of water that comes down on Earth, including r ain, snow, hail etc. is known as _____________
(Answer : C)
???????? ???????? ???????????? a) Calcification ????b) Fixation ????c) Precipitation ????d)Accumulation
???????????? 15 ???? ????The ocean covers ________ percentage of Earth?s surf ace. (Answer : C)
???????? ???????? ???????????? a) 515 ????b) 0.61 ????c) 0.71 ????d)0.91
???????????? 16 ???? ????The portion of the earth and its environment which can support lif e is known as _________ (Answer : B)
???????? ???????? ???????????? a) Crust ????b) Biosphere ????c) Exosphere ????d)Atmosphere
???????????? 17 ???? ????What is troposphere? (Answer : C)
???????? ???????? ???????????? a) Portion of air ????b) Portion of water ????c) Lowest layer of atmosphere where we survive
????d)Portion of sky
???????????? 18 ???? ????The main energy source f or the environment is ________ (Answer : A)
???????? ???????? ???????????? a) Solar energy ????b) Chemical energy ????c) Bioelectric energy ????d)Electrical energy
???????????? 19 ???? ????What is UNCED? (Answer : C)
???????? ???????? ???????????? a) United Nations Conf erence on Education ????b) United Nations Conf erence on Environmental Day
????c) United Nations Conf erence on Environment and Development ????d)None of these.
???????????? 20 ???? ????Atmospheric humidity is measured by (Answer : C)
???????? ???????? ???????????? a) Auxanometer ????b) Photometer ????c) Hygrometer ????d)None
???????????? 21 ???? ????The area to which a species is biologically adapted to live is known (Answer : B)
???????? ???????? ???????????? a) Niche ????b) Habitat ????c) Succession ????d)Community
???????????? 22 ???? ????Study of inter-relationship between organisms and their environment is called (Answer : A)
???????? ???????? ???????????? a) Ecology ????b) Ecosystem ????c) Phytogeogr aphy ????d)Ethology
???????????? 23 ???? ????The term Ecology was coined by (Answer : B)
???????? ???????? ???????????? a) A.G.Tansley ????b) Earnst Haeckel ????c) Aristotle ????d)Linnaeus
???????????? 24 ???? ????An example of an abiotic component (Answer : B)
???????? ???????? ???????????? a) Plants ????b) Soil ????c) Animals ????d)Bacteria
???????????? 25 ???? ????The area to which a species is biologically adapted to live is known (Answer : B)
???????? ???????? ???????????? a) Niche ????b) Habitat ????c) Succession ????d)Community
???????????? 26 ???? ????The objective of environmental education is (Answer : D)
???????? ???????? ???????????? a) Raise consciousness about environmental education ????b) T o teach environmentally appropriate
behaviour ????c) Create an environmental ethic that f osters awareness about ecological inter-dependence of economics,
social and political ????d)All of the above
???????????? 27 ???? ????Which of the f ollowing is not influenced by human activities? (Answer : A)
???????? ???????? ???????????? a) Depletion of ground water ????b) Destruction of mangroves and wetlands ????c) Increased extinction
r ate of species ????d)None of the above
???????????? 28 ???? ????Environmental education is important only at (Answer : D)
???????? ???????? ???????????? a) Primary school stage ????b) Secondary school stage ????c) Collage stage ????d)All stages
???????????? 29 ???? ????Which of the f ollowing conceptual components of the environment are ef f ective tr ansporters of
matter? (Answer : A)
???????? ???????? ???????????? a) Atmosphere and hydrosphere ????b) (b) Atmosphere and lithosphere ????c) (c) Hydrosphere and
lithosphere ????d)(d) Lithosphere and biosphere
???????????? 30 ???? ????Biosphere is (Answer : B)
???????? ???????? ???????????? a) (a) The solid shell of inorganic materials on the surf ace of the Earth ????b) (b) The thin shell of
organic matter on the surf ace of earth comprising of all the living things ????c) (c) The sphere which occupies the
maximum volume of all the spheres ????d)(d) All of the above
???????????? 31 ???? ????Which of the f ollowing conceptual sphere of the environment is having the least stor age capacity f or
matter? (Answer : A)
???????? ???????? ???????????? a) (a) Atmosphere ????b) (b) Lithosphere ????c) (c) Hydrosphere ????d)(d) Biosphere
???????????? 32 ???? ????Which of the f ollowing is an example of impact of development activities on the Hydrosphere? (Answer
: D)
???????? ???????? ???????????? a) (a) Air pollution ????b) (b) Soil pollution ????c) (c) Soil erosion ????d)(d) Water pollution
???????????? 33 ???? ????Weather occurs in the Earths: (Answer : A)
???????? ???????? ???????????? a) (a) Troposhere ????b) (b) Mesophere ????c) (c) Ionosphere ????d)(d) Thermosphere
???????????? 34 ???? ????Biosphere is a term used to represent the: (Answer : C)
???????? ???????? ???????????? a) (a) Entire atmosphere consisting of troposphere, str atosphere, mesosphere, and thermosphere
????b) (b) Entire hydrosphere-representing the entire collection of water over the Earth as well as inside the Earth ????c) (c)
A small zone of Earth, where the lithosphere, hydrosphere, and atmosphere come in contact with one another ????d)(d)
Entire lithosphere-representing the solid Earth and its interior
???????????? 35 ???? ????The term ecology was introduced by: (Answer : A)
???????? ???????? ???????????? a) (a) Haeckel ????b) (b) Odum ????c) (c) Tansely ????d)(d) Ramdeo Mishr a
???????????? 36 ???? ????The study of inter actions between living and non-living organisms and environment is called (Answer :
B)
???????? ???????? ???????????? a) (a) Ecosystem ????b) (b) Ecology ????c) (c) Phyto-geogr aphy ????d)(d) Phytosociology
???????????? 37 ???? ????An ecosystem consist of (Answer : D)
???????? ???????? ???????????? a) (a) Green plants and animals ????b) (b) Green plants and decomposers ????c) (c) Producers and
consumers ????d)(d) Green plants, animals, decomposers and abiotic environment
???????????? 38 ???? ????The environment which has been modified by human activities is called (Answer : B)
???????? ???????? ???????????? a) (a) Natur al environment ????b) (b) Anthropogenic environment ????c) (c) Modem environment ????d)(d)
Urban environment
???????????? 39 ???? ????Which of the f ollowing statements is not true? (Answer : C)
???????? ???????? ???????????? a) (a) Inorganic nutrients are recycled in an ecosystem ????b) (b) Energy flows through the ecosystem
in the f orm of C-C bonds ????c) (c) Energy is recycled in an ecosystem ????d)(d) Respir ation process releases energy
???????????? 40 ???? ????Driving f orce in an ecosystem is (Answer : C)
???????? ???????? ???????????? a) (a) Plants ????b) (b) Producers ????c) (c) Solar energy ????d)(d) Biomass energy
???????????? 41 ???? ????Physical and chemical components of an ecosystem constitute (Answer : C)
???????? ???????? ???????????? a) (a) Biotic structure ????b) (b) Abioltic structure ????c) (c) Both of these ????d)(d) None of these
???????????? 42 ???? ????Which one of the f ollowing is an abiotic component of the ecosystem? (Answer : C)
???????? ???????? ???????????? a) (a) Bacteria ????b) (b) Plants ????c) (c) Humus ????d)(d) Fungi
???????????? 43 ???? ????Which of the f ollowing is a possible producer in an ecosystem? (Answer : A)
???????? ???????? ???????????? a) (a) Plants ????b) (b) Animals ????c) (c) Human beings ????d)(d) Fish
???????????? 44 ???? ????The organisms which f eed on dead organisms and excreta of living organisms are known (Answer : A)
???????? ???????? ???????????? a) (a) Decomposers ????b) (b) Consumers ????c) (c) Producers ????d)(d) Carnivores
???????????? 45 ???? ????A trophic level ref ers to: (Answer : C)
???????? ???????? ???????????? a) (a) Area in the tropics ????b) (b) An organism?s portion in a f ood chain ????c) (c) An organism?s
position in an ecosystem ????d)(d) An organism?s position in a biome
???????????? 46 ???? ????In a f ood chain animals constitute the: (Answer : C)
???????? ???????? ???????????? a) (a) First trophic level ????b) (b) Second trophic level ????c) (c) Intermediate trophic level ????d)(d)
Ultimate trophic level
???????????? 47 ???? ????The f ood chain in which microorganisms breakdown dead producers is called: (Answer : D)
???????? ???????? ???????????? a) (a) Consumer f ood chain ????b) (b) Predator f ood chain ????c) (c) Par asitic f ood chain ????d)(d) Detritus
f ood chain
???????????? 48 ???? ????Food chain starts with (Answer : A)
???????? ???????? ???????????? a) (a) Producer ????b) (b) Herbivores ????c) (c) Carnivores ????d)(d) Omnivores
???????????? 49 ???? ????In a f ood chain, humans are (Answer : D)
???????? ???????? ???????????? a) (a) Secondary consumers ????b) (b) Primary consumer ????c) (c) Producers ????d)(d) Primary and
secondary consumers both
???????????? 50 ???? ????Which one is the correct f ood chain? (Answer : A)
???????? ???????? ???????????? a) (a) Phytoplankton ?? Zooplankton ?? Fish ????b) (b) Zooplankton ?? Phytoplankton ?? Fish ????c)
(c) Zooplankton ?? Protozoans ?? Fish ????d)(d) Gr ass ?? Fish ?? Zooplankton
???????????? 51 ???? ????A f ood web consists of (Answer : A)
???????? ???????? ???????????? a) (a) Interlocking f ood chains ????b) (b) Producers, consumers and decomposers ????c) (c) A portion of
a f ood chain ????d)(d) A set of similar consumers
???????????? 52 ???? ????Food webs are (Answer : C)
???????? ???????? ???????????? a) (a) One kind of f ood ????b) (b) Not related to f ood chains at all ????c) (c) Inter-connected arr angement
of f ood chains ????d)(d) Linear arr angement of f ood chains
???????????? 53 ???? ????Pyr amid of number is given by (Answer : C)
???????? ???????? ???????????? a) (a) Haeckel ????b) (b) Odum ????c) (c) Elton ????d)(d) Tansely
???????????? 54 ???? ????Which ecological pyr amid is always upright? (Answer : C)
???????? ???????? ???????????? a) (a) Pyr amid of number ????b) (b) Pyr amid of biomass ????c) (c) Pyr amid of energy ????d)(d) Pyr amid of
number and biomass
???????????? 55 ???? ????An ecological pyr amid ref ers to the (Answer : D)
???????? ???????? ???????????? a) (a) Pyr amid of energy ????b) (b) Pyr amid of number ????c) (c) Pyr amid of biomass ????d)(d) All of the
above
???????????? 56 ???? ????An ecosystem may not undergo changes because: (Answer : A)
???????? ???????? ???????????? a) (a) It is in a state of homeostasis ????b) (b) It has plants and animals both ????c) (c) It gets solar
energy continuously ????d)(d) The decomposers are present in it
???????????? 57 ???? ????Energy flow in an ecosystem is always: (Answer : A)
???????? ???????? ???????????? a) (a) Unidirectional ????b) (b) Cyclic ????c) (c) Reversible ????d)(d) Multi-directional
???????????? 58 ???? ????The primary producers in a f orest ecosystem are: (Answer : A)
???????? ???????? ???????????? a) (a) Chlorophyll containing trees and plants ????b) (b) Herbivores ????c) (c) Carnivores ????d)(d) Bacteria
and other micro-organism
???????????? 59 ???? ????The desert among the f ollowing which is not a cold desert is: (Answer : D)
???????? ???????? ???????????? a) (a) Golbi desert ????b) (b) Patagonian desert ????c) (c) Atacama desert ????d)(d) Ma java desert
???????????? 60 ???? ????The darker zone in lakes where light penetr ation is negligible is called the: (Answer : D)
???????? ???????? ???????????? a) (a) Euphotic zone ????b) (b) Littor al zone ????c) (c) Limnetic zone ????d)(d) Benthic zone
???????????? 61 ???? ????The zone of a sea lying over the continental shelf is known as the: (Answer : B)
???????? ???????? ???????????? a) (a) Bathyl zone ????b) (b) Neritic zone ????c) (c) Abyssal zone ????d)(d) Littor al zone
???????????? 62 ???? ????Which one of the f ollowing is not a fresh water biome? (Answer : A)
???????? ???????? ???????????? a) (a) Lotic ????b) (b) Lentic ????c) (c) Spings ????d)(d) Deep sea
???????????? 63 ???? ????Tendency of pollutants to become concentr ated in successive trophic levels is known as: (Answer : A)
???????? ???????? ???????????? a) (a) Biomagnification ????b) (b) Biorhythm ????c) (c) Bioremediation ????d)(d) Biopir acy
???????????? 64 ???? ????Eutrophication is: (Answer : B)
???????? ???????? ???????????? a) (a) An improved water quality status of lakes ????b) (b) The result of accumulation of plant nutrients
in water bodies ????c) (c) A process in the carbon cycle ????d)(d) A water purification technique
???????????? 65 ???? ????Increase in f auna and decrease in flor a would be harmf ul due to increase in: (Answer : B)
???????? ???????? ???????????? a) (a) Diseases ????b) (b) CO ????c) (c) O2 ????d)(d) Radioactive pollution
???????????? 66 ???? ????The largest reservoir of nitrogen an our planet is: (Answer : B)
???????? ???????? ???????????? a) (a) Ocean ????b) (b) Atmosphere ????c) (c) Biosphere ????d)(d) Fossil f uels
???????????? 67 ???? ????Overgr azing results in: (Answer : A)
???????? ???????? ???????????? a) (a) Soil erosion ????b) (b) Retention of usef ul species ????c) (c) Productive soils ????d)(d) All of the
above
???????????? 68 ???? ????In the world, the economy of the India is: (Answer : D)
???????? ???????? ???????????? a) (a) Largest ????b) (b) Third largest ????c) (c) Second largest ????d)(d) Fourth largest
???????????? 69 ???? ????In services output, India is: (Answer : C)
???????? ???????? ???????????? a) 10 ????b) 12 ????c) 15 ????d)4
???????????? 70 ???? ?????Smog? is a mixture of (Answer : A)
???????? ???????? ???????????? a) a) Smoke and Fog ????b) (b) Snow and Fog ????c) ( c) Snow and Dust ????d)(d) Sulphur Dioxide and
Fog
???????????? 71 ???? ????A liquid f uel that was f ormed from the ancient remains of sea plants and animals is (Answer : B)
???????? ???????? ???????????? a) Natur al gasb ????b) Petroleumc ????c) Geothermal energyd ????d)Coal
???????????? 72 ???? ????A poisonous gas given out of vehicles exhaust is (Answer : A)
a) Carbon monoxideb ????b) Ethanec ????c) Methaned ????d)Carbon dioxide
???????????? 73 ???? ????A product of photosynthesis is (Answer : C)
???????? ???????? ???????????? a) Carbon dioxideb ????b) Waterc ????c) Oxygend ????d)Chlorophyll
???????????? 74 ???? ????Atmosphere consists of 79 percent Nitrogen and 21 percent Oxygen by (Answer : B)
???????? ???????? ???????????? a) Volumeb ????b) Weightc ????c) Densityd ????d)All of these
???????????? 75 ???? ????Biogas contains mainly (Answer : B)
???????? ???????? ???????????? a) Carbon dioxideb ????b) Methanec ????c) Butaned ????d)Propane
???????????? 76 ???? ????Carbon dioxide constitutes about 0.03% of the atmosphere (Answer : A)
???????? ???????? ???????????? a) By volume(b ????b) By weight(c ????c) By mass(d ????d)None of these
???????????? 77 ???? ????Development activities on the hydrosphere cause (Answer : C)
???????? ???????? ???????????? a) Air pollutionb ????b) Soil pollutionc ????c) Water pollutiond ????d)Soil erosion
???????????? 78 ???? ????Energy flow in an ecosystem is (Answer : C)
???????? ???????? ???????????? a) Bidirectionalb ????b) Unidirectionalc ????c) Multidirectionald ????d)All rounds
???????????? 79 ???? ????Energy from the heat inside the earth is (Answer : B)
???????? ???????? ???????????? a) a Natur al gas ????b) Geothermalc ????c) Petroleumd ????d)Terr athermal
???????????? 80 ???? ????Energy in the r ays from the sun is called (Answer : A)
???????? ???????? ???????????? a) Solar energyb ????b) Wind energyc ????c) Tidal energyd ????d)Water energy
???????????? 81 ???? ????Environment is the lif e support system that includes (Answer : D)
???????? ???????? ???????????? a) Airb ????b) Waterc ????c) Landd ????d)All of the above
???????????? 82 ???? ????Extensive planting of trees to increase cover is called (Answer : A)
???????? ???????? ???????????? a) Af f orestation(b ????b) Agrof orestation(c ????c) Def orestation(d ????d)Social f orestry
???????????? 83 ???? ????Extensive planting of trees to increase f orest cover is called (Answer : A)
???????? ???????? ???????????? a) Af f orestation, b ????b) Agrof orestry, c ????c) Def orestation, d ????d)Social f orestry
???????????? 84 ???? ????Forest and wild lif e are (Answer : A)
???????? ???????? ???????????? a) Renewable resource(b ????b) Non-renewable resources (c ????c) Inexhaustible resources (d ????d)None
of these
???????????? 85 ???? ????Forests prevent soil erosion by binding soil particles in their (Answer : B)
???????? ???????? ???????????? a) Leaves(b ????b) Roots(c ????c) Buds(d ????d)Stems
???????????? 86 ???? ????Formation of hole in Ozone is maximum over (Answer : C)
???????? ???????? ???????????? a) Indiab ????b) Europec ????c) Antarcticad ????d)Africa
???????????? 87 ???? ????Fossil f uel and metallic miner als are: (Answer : C)
???????? ???????? ???????????? a) Renewable resource (b ????b) Inexhaustible resources (c ????c) Non-renewable resources (d ????d)None
of these
???????????? 88 ???? ????Green house ef f ect is linked to (Answer : C)
???????? ???????? ???????????? a) Nitrogen oxidesb ????b) Sulphur dioxidesc ????c) Carbon dioxidesd ????d)Carbon monoxides
???????????? 89 ???? ????In our country the percentage of land under f orest is about: (Answer : B)
???????? ???????? ???????????? a) 20%(b ????b) 19%(c ????c) 25%(d ????d)30%
???????????? 90 ???? ????In respect of water crisis, there have been conflicts/disputes between two countries, or states of the
same country. Which of the f ollowing has never been the case of water conflict? (Answer : D)
???????? ???????? ???????????? a) Cauvery water dispute between Tamil Nadu and Karnataka (b ????b) Yamuna-Betwa dispute between
U.P. and M.P. (c ????c) Sutlej Yamuna Link (SYL ????d)canal dispute between Pun jab and Haryana (d
???????????? 91 ???? ????Instrumentation technology used to locate suitable places f or mining (Answer : C)
???????? ???????? ???????????? a) a) Microscope ????b) b) Salinometer ????c) c) GIS ????d)d) camer a tr ap
???????????? 92 ???? ????Kaveri water dispute is in between: (Answer : D)
???????? ???????? ???????????? a) India and Pakistan (b ????b) Pun jab and Haryana (c ????c) Uttar Pr adesh and Madhya Pr adesh (d
????d)Karnataka and Tamil Nadu
???????????? 93 ???? ????Khetri (Ra jasthan) is f amous f or: (Answer : B)
???????? ???????? ???????????? a) Coal mines(b ????b) Copper mines(c ????c) Gr anite stone(d ????d)Marble stone
???????????? 94 ???? ????Main source of acid r ain is (Answer : A)
???????? ???????? ???????????? a) Sulphur dioxideb ????b) Nitrogenc ????c) Carbon dioxided ????d)Carbon monoxide
???????????? 95 ???? ????Ma jor consumer of wood from f orest is ___________ (Answer : B)
???????? ???????? ???????????? a) Thermal Power Plant ????b) Paper Industry ????c) Chemistry Industry ????d)none
???????????? 96 ???? ????Moisture in the air is known as (Answer : D)
???????? ???????? ???????????? a) a) Water ????b) (b) Fog ????c) ( c) Snow ????d)(d) Humidity
???????????? 97 ???? ????Name the country which virtually closed cod fishery in the 1990?s due to depletion of fish reserves
(Answer : A)
???????? ???????? ???????????? a) a) Canada ????b) b) Argentina ????c) c) Italy ????d)d) India
???????????? 98 ???? ????Name the financial agency which hesistate to support the Sardar Sarovar Pro ject in India in 1993 a result
of the demands of local people threatened with the loss of their livelihoods and homes in the submergence area.
(Answer : B)
???????? ???????? ???????????? a) a) Swiss bank ????b) b) World Bank ????c) c) Bank of India ????d)d) International Monetary Fund
???????????? 99 ???? ????Nitrogen constitutes about 78% of the atmosphere (Answer : C)
???????? ???????? ???????????? a) By weight(b ????b) By mass(c ????c) By volume(d ????d)None of these
???????????? 100 ???? ????Noise is measured by sound meter and the unit is (Answer : C)
???????? ???????? ???????????? a) Hertzb ????b) Joulec ????c) Decibeld ????d)Seconds
???????????? 101 ???? ????One of India?s serious environmental problems is f orest degr adation. What is the main cause of f orest
degr adation? (Answer : A)
???????? ???????? ???????????? a) timber extr action ????b) honey extr action ????c) high altitude ????d)Low Rainf all
???????????? 102 ???? ????Ozone day is observed on (Answer : B)
???????? ???????? ???????????? a) 3rd Januaryb ????b) 16th Septemberc ????c) 10th Novemberd ????d)26th March
???????????? 103 ???? ????Ozone Umbrella is located in which layer of atmosphere (Answer : B)
???????? ???????? ???????????? a) a) Troposphere ????b) (b) Str atosphere ????c) (c) Mesosphere ????d)(d) Ionosphere
???????????? 104 ???? ????Peeling of Ozone umbrella, which protects us from UV r ays, is caused by (Answer : B)
???????? ???????? ???????????? a) Carbon monoxideb ????b) CFCsc ????c) Coal burningd ????d)Methane
???????????? 105 ???? ????Soil erosion removes surf ace soil which contains (Answer : A)
???????? ???????? ???????????? a) Organic matterb ????b) Plant nutrientsc ????c) Both a and bd ????d)none of the above
???????????? 106 ???? ????Sustainable development means (Answer : C)
???????? ???????? ???????????? a) a. meeting present needs without compromising on f uture needs ????b) b. progress of human beings
????c) c. balance between human needs and the ability of earth to provide the resources ????d)d. all of the above
???????????? 107 ???? ????The adverse ef f ect of modern agriculture is (Answer : B)
???????? ???????? ???????????? a) Water pollutionb ????b) Soil degr adationc ????c) Water loggingd ????d)All of the above
???????????? 108 ???? ????The f ossil f uel that is derived from the dead remains of plants that grew some 250 million years ago is
(Answer : C)
???????? ???????? ???????????? a) Petroleumb ????b) Natur al gasc ????c) Coald ????d)LPG
???????????? 109 ???? ????The impact of construction of dams (Answer : D)
???????? ???????? ???????????? a) Submerged f orest b ????b) Loss of wild lif e habitat c ????c) Damages downstream ecosystem d ????d)All
of the above
???????????? 110 ???? ????The ma jor cause f or land degr adation in our country is (Answer : A)
???????? ???????? ???????????? a) Soil erosion(b ????b) Pollution of soil(c ????c) Water-logging(d ????d)None of the above
???????????? 111 ???? ????The ma jor reason f or floods in the rivers Ganges and Br ahmaputr a is ________ (Answer : B)
???????? ???????? ???????????? a) a) Dams in Himalayas ????b) b) Def orestation in Himalayas ????c) c) Heavy r ains ????d)d) Melting of ice
???????????? 112 ???? ????The method of r ainwater harvesting which can be adopted by individual house owners is (Answer : D)
???????? ???????? ???????????? a) Construction of recharge trenches (b ????b) On channel stor age of water (c ????c) Creation of new
water bodies (d ????d)Roof-top r ainwater harvesting
???????????? 113 ???? ????The percentage of total world?s precipitation, which is lost to the atmosphere through evapor ation,
approximates to: (Answer : A)
???????? ???????? ???????????? a) 57%(b ????b) 7%(c ????c) 37%(d ????d)43%
???????????? 114 ???? ????The process of restoring f orests that once existed but was removed at some time in the past is known
as (Answer : B)
???????? ???????? ???????????? a) Af f orestationb ????b) Ref orestationc ????c) Def orestationd ????d)None of these
???????????? 115 ???? ????The share of Hydropower (Hydel pro jects) in worlds commercial electricity production is less than ________
(Answer : D)
???????? ???????? ???????????? a) 2.00% ????b) 4.00% ????c) 12.00% ????d)20.00%
???????????? 116 ???? ????The species restricted to be present in one region are called (Answer : B)
???????? ???????? ???????????? a) Edge speciesb ????b) Endemic species c ????c) Endangered species d ????d)Keystone species
???????????? 117 ???? ????The teeth are likely to be pitted, more susceptible to cavities and wear, when the fluoride concentr ation
is: (Answer : D)
???????? ???????? ???????????? a) More than 2 mg/1 (b ????b) More than 40 mg/1 (c ????c) More than 20 mg/1 (d ????d)More than 4 mg/1
???????????? 118 ???? ????The term ?Environment? has been derived from the French word which means to encircle or surround
(Answer : A)
???????? ???????? ???????????? a) Environb ????b) Oikosc ????c) Geod ????d)Aqua
???????????? 119 ???? ????Wetlands in the flood plains of rivers are also considered as nature?s ________ (Answer : C)
???????? ???????? ???????????? a) a) Heat sink ????b) b) carbon sink ????c) c) flood control systems ????d)d) swimming pool
???????????? 120 ???? ????What are rodenticides? (Answer : C)
???????? ???????? ???????????? a) that kill fishes ????b) that kill insects ????c) that kill r ats ????d)that kill crocos
???????????? 121 ???? ????What is Kyoto Protocol? (Answer : A)
???????? ???????? ???????????? a) a. It is an agreement among countries to take steps f or reducing global warming. ????b) b. It is an
agreement among countries to take steps f or reducing acid r ain. ????c) c. It is an agreement among countries to take steps
f or planting trees to control pollution. ????d)d. It is an agreement among countries to start using nuclear energy.
???????????? 122 ???? ????What is the ma jor limiting f actor in the arid areas of our country? (Answer : C)
???????? ???????? ???????????? a) a) Money ????b) b) f orests ????c) c) water ????d)d) soil
???????????? 123 ???? ????What kind of people are the most ill-af f ected by the construction of dams? (Answer : D)
???????? ???????? ???????????? a) a) Urban dwellers ????b) b) beach dwellers ????c) c) tourists ????d)d) tribal people
???????????? 124 ???? ????When fluoride concentr ation in H2O exceeds about 1.5 mg/1, the disease that may be caused, is
(Answer : B)
???????? ???????? ???????????? a) Dental caries in children(b ????b) Fluorosis(c ????c) Polymyelitis(d ????d)Methemoglobinemia
???????????? 125 ???? ????Which among the f ollowing is a sedimentary type of cycle? (Answer : A)
???????? ???????? ???????????? a) Sulphur cycle(b ????b) Nitrogen cycle(c ????c) Oxygen cycle(d ????d)Carbon cycle
???????????? 126 ???? ????Which gas is responsible f or ozone layer depletion around earth? (Answer : B)
???????? ???????? ???????????? a) Carbon dioxideb ????b) Chlorofluorocarbonsc ????c) Oxygend ????d)Nitrogen oxide
???????????? 127 ???? ????Which gas is responsible f or the global warming? (Answer : B)
???????? ???????? ???????????? a) Nitrogenb ????b) Carbon dioxidec ????c) Noble gasesd ????d)Hydrogen
???????????? 128 ???? ????Which is a list of renewable resources? (Answer : D)
???????? ???????? ???????????? a) Petroleum, geothermal, wind b ????b) Biomass, geothermal, hydropower c ????c) Natur al gas, wind,
biomass d ????d)Hydropower, solar, wind energy
???????????? 129 ???? ????Which is the only country who has not r atified the Kyoto Protocol yet? (Answer : A)
???????? ???????? ???????????? a) United States ????b) Austr alia ????c) Japan ????d)India
???????????? 130 ???? ????Which of below items is the ma jor sector which extr acts most of fresh water available f or utilization?
(Answer : D)
???????? ???????? ???????????? a) domestic use ????b) drinking water ????c) bever age industry ????d)agriculture
???????????? 131 ???? ????Which of the f ollowing are consequences of ozone depletion (Answer : A)
???????? ???????? ???????????? a) Skin cancer and catar actb ????b) Reduced growth in plants c ????c) Shortening of zooplanktons and
their breeding period d ????d)All of the above
???????????? 132 ???? ????Which of the f ollowing are ma jor environmental issues involved in mining? (Answer : D)
???????? ???????? ???????????? a) air pollutionb ????b) water pollutionc ????c) soil degr adationd ????d)all of the above
???????????? 133 ???? ????Which of the f ollowing ef f ect is responsible f or Global Warming? (Answer : A)
???????? ???????? ???????????? a) Green house ef f ectb ????b) Radioactive ef f ectc ????c) Solar ef f ectd ????d)Nuclear ef f ect
???????????? 134 ???? ????Which of the f ollowing is management option f or air pollution? (Answer : D)
???????? ???????? ???????????? a) Regulations and standardsb ????b) Tr ansport planningc ????c) Using CNG as f ueld ????d)All of these
???????????? 135 ???? ????Which of the f ollowing is not a method f or water conservation? (Answer : B)
???????? ???????? ???????????? a) Rainwater harvesting(b ????b) Groundwater extr action (c ????c) Improving irrigation ef ficiency (d
????d)Avoiding water wastage
???????????? 136 ???? ????Which of the f ollowing is not a viable protection against def orestation? (Answer : C)
???????? ???????? ???????????? a) Reduce the consumption of f orest and related products (b ????b) Boycott products of companies
involve in def orestation (c ????c) Privatisation of f orest land (d ????d)Environmental education
???????????? 137 ???? ????Which of the f ollowing is not influenced by human activities? (Answer : D)
???????? ???????? ???????????? a) Destruction of mangroves and wetlands b ????b) Depletion of ground water c ????c) Increased
extinction r ate of species d ????d)None of the above
???????????? 138 ???? ????Which of the f ollowing is not true about def orestation? (Answer : C)
???????? ???????? ???????????? a) Population explosion is one of the reasons f or def orestation (b ????b) Cleaning of f orest f or
agriculture causes def orestation. (c ????c) Def orestation is taking place only in developing courtiers. (d ????d)Cash crop
economy of third world is a cause of def orestation.
???????????? 139 ???? ????Which of the f ollowing is responsible f or desertification? (Answer : D)
???????? ???????? ???????????? a) Def orestation(b ????b) Mining(c ????c) Overgr azing(d ????d)All of the above
???????????? 140 ???? ????Which of the f ollowing statements about the f orest is not correct? (Answer : D)
???????? ???????? ???????????? a) Forest reduces soil erosion (b ????b) Provides recreational opportunities (c ????c) Provides economic
development (d ????d)None of the above
???????????? 141 ???? ????Which of these is not a f ossil f uel? (Answer : D)
???????? ???????? ???????????? a) Coalb ????b) Oilc ????c) Natur al gasd ????d)Ur anium
???????????? 142 ???? ????Which one of the f ollowing is not an ideal solution f or tackling water shortages? (Answer : D)
???????? ???????? ???????????? a) Controlling population growth (b ????b) Conserving water in irrigation (c ????c) Controlling water
pollution (d ????d)Drilling large number of deep bore wells
???????????? 143 ???? ????Which one of the f ollowing regions in India is a hotspot of biodiversity? (Answer : B)
???????? ???????? ???????????? a) Sundarbansb ????b) Western Ghatsc ????c) Eastern Ghatsd ????d)Gangetic plains
???????????? 144 ???? ????World environment day is on: (Answer : B)
???????? ???????? ???????????? a) 5th Mayb ????b) 5th Junec ????c) 18th Julyd ????d)16th August
???????????? 145 ???? ????World Forest day is celebr ated on (Answer : A)
???????? ???????? ???????????? a) 21st March b ????b) 5th June c ????c) 1st Dec d ????d)7th June
???????????? 146 ???? ????Yellowing of Ta j Mahal is an ef f ect of (Answer : A)
???????? ???????? ???????????? a) Acid r ainb ????b) Global warmingc ????c) Ozone depletiond ????d)All of the above
???????????? 147 ???? ????Green Revolution in India was initiated by __________ (Answer : A)
???????? ???????? ???????????? a) M.S. Swaminathan ????b) Sunderlal Bahuguna ????c) Kurien ????d)Medha Patkar
???????????? 148 ???? ????Who wrote the book Violence of Green Revolution (Answer : A)
???????? ???????? ???????????? a) Vandana Siva ????b) Sheela Dikshit ????c) Menaka Gandhi ????d)Arundhathi Roy.
???????????? 149 ???? ????World Forest day is celebr ated on (Answer : A)
???????? ???????? ???????????? a) 21st March ????b) 5th June ????c) 1st Dec ????d)7th June
???????????? 150 ???? ????The Chipko movement is started by (Answer : B)
???????? ???????? ???????????? a) Engler ????b) Sunderlal Bahuguna ????c) Medha Padkar ????d)None of these
???????????? 151 ???? ????Green revolution is associated with _________ (Answer : B)
???????? ???????? ???????????? a) sericulture ????b) Agriculture ????c) Fish culture ????d)silviculture
???????????? 152 ???? ????Which gas is likely to be reduced in the atmosphere by def orestation? (Answer : C)
???????? ???????? ???????????? a) Carbon dioxide ????b) Nitrogen ????c) Oxygen ????d)Sulphur dioxide
???????????? 153 ???? ????Extensive planting of trees to increase f orest cover is called (Answer : A)
???????? ???????? ???????????? a) Af f orestation ????b) Agrof orestry ????c) Def orestation ????d)Social f orestry
???????????? 154 ???? ????Soil erosion can be prevented by (Answer : B)
???????? ???????? ???????????? a) Def orestation ????b) Af f orestation ????c) Overgr azing ????d)Removal of vegetation
???????????? 155 ???? ????The components of LPG are _____________ (Answer : B)
???????? ???????? ???????????? a) Methane & Hexane ????b) Propane & Butane ????c) Ethane & Methane ????d)Propane & Ethane
???????????? 156 ???? ????Which of the f ollowing is the most responsible f or world water crisis? (Answer : C)
???????? ???????? ???????????? a) Dams ????b) Floods ????c) Drought ????d)Population growth
???????????? 157 ???? ????The resources that can be replaced by natur al ecological cycle is called (Answer : A)
???????? ???????? ???????????? a) Renewable ????b) Non-renewable ????c) exhaustible ????d)natur al
???????????? 158 ???? ????The amount of solar r adiation reaching the surf ace of the earth is called (Answer : A)
???????? ???????? ???????????? a) Solar flux ????b) reflected light ????c) miner als ????d)solvents
???????????? 159 ???? ????The most harmf ul of ultr aviolet r adiations are (Answer : A)
???????? ???????? ???????????? a) UV-C ????b) UV-B ????c) UV-A ????d)All the above
???????????? 160 ???? ????A renewable source of energy is (Answer : D)
???????? ???????? ???????????? a) Petroleum ????b) Coal ????c) Nuclear f uel ????d)Trees
???????????? 161 ???? ????The capacity to do work is termed as (Answer : D)
???????? ???????? ???????????? a) Power ????b) Force ????c) Strength ????d)Energy
???????????? 162 ???? ????The unit of total water content of the soil is known as (Answer : A)
???????? ???????? ???????????? a) Holard ????b) Chr aserd ????c) Echard ????d)All of the above
???????????? 163 ???? ????Pedology? (Answer : C)
???????? ???????? ???????????? a) Study of water ????b) Study of air ????c) Study of soil ????d)none
???????????? 164 ???? ????What is def orestation? (Answer : B)
???????? ???????? ???????????? a) Product of f orest ????b) Destruction of f orest ????c) Forest Protection ????d)none
???????????? 165 ???? ????Def orestation gener ally decreases (Answer : D)
???????? ???????? ???????????? a) Global Warming ????b) Drought ????c) Soil erosion ????d)Rainf all
???????????? 166 ???? ????Which among the f ollowing result in the f ormation of soil? (Answer : B)
???????? ???????? ???????????? a) Radiation ????b) Weathering ????c) Erosion ????d)Pollution
???????????? 167 ???? ????Mulching helps in (Answer : B)
???????? ???????? ???????????? a) soil f ertility ????b) moisture conservation ????c) improvements soil structure ????d)soil sterility
???????????? 168 ???? ????........................ is an example of ?bottom f eeders?. (Answer : A)
???????? ???????? ???????????? a) Cat fish ????b) Frog ????c) Snake ????d)Tadpole ????e)
???????????? 169 ???? ????..................... trees shed their leaves during winter and hot summer. (Answer : C)
???????? ???????? ???????????? a) (a) ever green ????b) b) conif erous ????c) c) deciduous ????d)d) Shola
???????????? 170 ???? ????...................... is a cold desert in India (Answer : B)
???????? ???????? ???????????? a) Thar ????b) Ladakh ????c) Ran of Kutch ????d)Bhopal
???????????? 171 ???? ????A lake ecosystem f unctions as a (Answer : A)
???????? ???????? ???????????? a) Ter ai ????b) Shola gr asslands ????c) Semi arid plains ????d)Himalayan pastures
???????????? 172 ???? ????An example of nitrogen fixing bacteria in the soil (Answer : C)
???????? ???????? ???????????? a) Rhizobium ????b) Nostoc ????c) Azotobacter ????d)Nitrobacter
???????????? 173 ???? ????An example of one way ecological cycle is (Answer : C)
???????? ???????? ???????????? a) carbon dioxide cycle ????b) water cycle ????c) energy cycle ????d)oxygen cycle
???????????? 174 ???? ????Br ackish water ecosystems in river deltas are among (Answer : B)
???????? ???????? ???????????? a) Least productive ecosystems ????b) Most productive in terms of biomass production ????c) c)
Unproductive d) Stagnant ecosystems ????d)
???????????? 175 ???? ????Ecology is (Answer : C)
???????? ???????? ???????????? a) The science that studies the evolution of lif e, ????b) b) Integr ates both social and natur al sciences to
help us understand how the earth works, ????c) c) The study of the relationships between organisms and their
environment ????d)d) The study of the environment in the absence of humans
???????????? 176 ???? ????Forests grow in high r ain f all areas are (Answer : A)
???????? ???????? ???????????? a) (a) ever green f orests ????b) b) temper ate f orests ????c) c) conif ers ????d)d) Tundr a
???????????? 177 ???? ????Fungi is a (Answer : D)
???????? ???????? ???????????? a) Macroconsumer ????b) Producer ????c) Carnivore d ????d)Microconsumer
???????????? 178 ???? ????Nitrogen fixing blue green alga (Answer : C)
???????? ???????? ???????????? a) Clostridium ????b) Rhizobium ????c) Nostoc ????d)Nitrosomonas
???????????? 179 ???? ????Nitrogen gas returns to the atmosphere by the action of (Answer : B)
???????? ???????? ???????????? a) Nitrogen fixing bacteria ????b) Denitrif ying bacteria ????c) Nitrif ying bacteria ????d)Nitr ate f ertilizers
???????????? 180 ???? ????Patches of tall gr asslands interspersed with Sal f orest ecosystem is (Answer : A)
???????? ???????? ???????????? a) ????b) ????c) ????d)
???????????? 181 ???? ????Ramsar Convention ref ers to the conservation of ____________ (Answer : B)
???????? ???????? ???????????? a) (a) Deserts ????b) b) Wetlands ????c) c) Agriculture lands, ????d)d) Forest land
???????????? 182 ???? ????Some species whose removal can af f ect the survival of an ecosystem are called (Answer : B)
???????? ???????? ???????????? a) ????b) b) Keystone species ????c) c) Producers ????d)d) Carnivores
???????????? 183 ???? ????Sunderbans is home to (Answer : B)
???????? ???????? ???????????? a) Giant permanent pond ????b) Tempor ary aquatic system ????c) Simplest aquatic ecosystem ????d)Water
tank
???????????? 184 ???? ????The conversion of ammonia to nitr ate is known as ________ (Answer : B)
???????? ???????? ???????????? a) (a) ammonification ????b) b) nitrification ????c) c) denitrification ????d)d) all of these
???????????? 185 ???? ????The f orests which occur in law r ain f all area is (Answer : B)
???????? ???????? ???????????? a) (a) Evergreen f orests ????b) b) deciduous f orests ????c) c) Conif erous f orest ????d)d) All the above.
???????????? 186 ???? ????The inherent ability of organisms to reproduce and multiply is called, (Answer : B)
???????? ???????? ???????????? a) C value ????b) b) biotic potential ????c) c) carrying capacity ????d)d) K value
???????????? 187 ???? ????The largest br ackish water lake situated in Asia is in Orissa. Which is the lake? (Answer : A)
???????? ???????? ???????????? a) (a) Chilka lake ????b) b) Vembanad lake ????c) c) Woolar lake ????d)d) Dal lake
???????????? 188 ???? ????The Little Rann of Kutch is home to (Answer : D)
???????? ???????? ???????????? a) Horse ????b) b) Great Indian Bustard ????c) c) Lion ????d)d) Wild Ass
???????????? 189 ???? ????The presence of which is necessary f or photosynthesis (Answer : B)
???????? ???????? ???????????? a) (a) Chlorof orm ????b) b) Chlorophyll ????c) c) Phosphorus ????d)d) Polymer
???????????? 190 ???? ????The process through which ecosystems tend to change after a period of time is called (Answer : A)
???????? ???????? ???????????? a) ????b) ????c) ????d)
???????????? 191 ???? ????The species that flower are called (Answer : C)
???????? ???????? ???????????? a) (a) gymnosperms ????b) b) bryophytes ????c) c) angiosperms ????d)d) algae
???????????? 192 ???? ????The term ?Eco? implies (Answer : A)
???????? ???????? ???????????? a) Environment ????b) Ecotone ????c) Ecotourism ????d)Soil
???????????? 193 ???? ????The term ?Ecology? was coined by (Answer : B)
???????? ???????? ???????????? a) A.G.Tansley ????b) Earnst Haeckel ????c) Aristotle ????d)Linnaeus
???????????? 194 ???? ????The word Biophilia was coined by (Answer : D)
???????? ???????? ???????????? a) Dr. Hackel ????b) Dr.Johanssen ????c) Dr. Ben jamine ????d)E. O. Wilson
???????????? 195 ???? ????What is Dendrology? (Answer : C)
???????? ???????? ???????????? a) Study of Plants ????b) Study of Butterflies ????c) Study of Trees ????d)None of these
???????????? 196 ???? ????What is edge species? (Answer : A)
???????? ???????? ???????????? a) The species which occur abundantly in the ecotone ????b) b) Species on the verge of extinction ????c)
c) Rare species ????d)d) Endemic species
???????????? 197 ???? ????What is symbiosis? (Answer : C)
???????? ???????? ???????????? a) Study of distribution of related species ????b) b) Association between members of same species
????c) c) Association between members of two species ????d)d) None
???????????? 198 ???? ????When number of f ood chains is interlocked this is called (Answer : C)
???????? ???????? ???????????? a) f ood link ????b) f ood chain ????c) f ood web ????d)pyr amid
???????????? 199 ???? ????Which is an example f or sedimentary biogeochemical cycle (Answer : D)
???????? ???????? ???????????? a) Oxygen cycle ????b) Nitrogen cycle ????c) Water cycle ????d)Phosphorus cycle
???????????? 200 ???? ????Which is the second largest in species richness? (Answer : C)
???????? ???????? ???????????? a) Desert ????b) b) Tundr a ????c) c) Cor al reefs ????d)d) Flowing water
???????????? 201 ???? ????Gr assland of USA is ref erred to as (Answer : A)
???????? ???????? ???????????? a) Pr airies ????b) Steppes ????c) Pampas ????d)Veldts
???????????? 202 ???? ????The complex network of interconnected f ood chains is called ___________ (Answer : B)
???????? ???????? ???????????? a) Trophic level ????b) Food web ????c) Ecological pyr amid ????d)Ecology chain
???????????? 203 ???? ????The animal which consumes decaying organic matter is _________ (Answer : B)
???????? ???????? ???????????? a) Carnivore ????b) Detritivore ????c) Herbivore ????d)Producers
???????????? 204 ???? ????An ecosystem gr adually merges with an adjoining one through a tr ansitional zone is called the
______________ (Answer : C)
???????? ???????? ???????????? a) Ecological niche ????b) ecological f ootprint ????c) ecotone ????d)Shore ef f ect
???????????? 205 ???? ????The Primary Consumers are also called as (Answer : A)
???????? ???????? ???????????? a) Herbivores ????b) Carnivores ????c) Enzymes ????d)None of these
???????????? 206 ???? ????The f orests which occur in law r ain f all area is called (Answer : B)
???????? ???????? ???????????? a) Evergreen f orests ????b) deciduous f orests ????c) Conif erous f orest ????d)All the above
???????????? 207 ???? ????Favor able morphological and physiological response to a change in environment is called (Answer : D)
???????? ???????? ???????????? a) Preadaptation ????b) Ecotyping ????c) Formation of ecophenes ????d)Acclimatization
???????????? 208 ???? ????Plants adapted to open, sunny habitats are (Answer : B)
???????? ???????? ???????????? a) Sciophytes ????b) Heliophytes ????c) Mesophytes ????d)Epiphytes
???????????? 209 ???? ????Temper ate f orests occur in India in (Answer : B)
???????? ???????? ???????????? a) Indo-gangetic plains ????b) Himalayas ????c) Eastern India ????d)Southern peninsula
???????????? 210 ???? ????In India, tropical evergreen f orests occur in (Answer : C)
???????? ???????? ???????????? a) Himachal Pr adesh ????b) Madhya Pr adesh ????c) Assam ????d)Tamil Nadu
???????????? 211 ???? ????Which one is natures cleaner? (Answer : C)
???????? ???????? ???????????? a) Consumers ????b) Producers ????c) Decomposers and Scavengers ????d)Symbionts
???????????? 212 ???? ????The relationship between nitrogen fixing bacteria and leguminous plants is an example f or (Answer : C)
???????? ???????? ???????????? a) Par asitism ????b) Predation ????c) Mutualism ????d)Symbiosis
???????????? 213 ???? ????______ trees shed their leaves during winter and hot summer. (Answer : C)
???????? ???????? ???????????? a) Ever green ????b) Conif erous ????c) Deciduous ????d)Shola
???????????? 214 ???? ????Thorn f orests are f ound in the_______ regions (Answer : A)
???????? ???????? ???????????? a) Semi-arid ????b) High r ain f all areas ????c) Low temper ature ????d)Frozen areas
???????????? 215 ???? ????________ is a cold desert in India (Answer : B)
???????? ???????? ???????????? a) Thar ????b) Ladakh ????c) Ran of Kutch ????d)Bhopal
???????????? 216 ???? ????______ is an example of bottom f eeders (Answer : A)
???????? ???????? ???????????? a) Cat fish ????b) Frog ????c) Snake ????d)Tadpole
???????????? 217 ???? ????A Hawk that eats a frog is a (Answer : D)
???????? ???????? ???????????? a) Producer ????b) Primary Consumer ????c) Secondary Consumer ????d)Tertiary Consumer
???????????? 218 ???? ????An example of lotic system (Answer : B)
???????? ???????? ???????????? a) Pond ????b) River ????c) Lake ????d)Reservoir
???????????? 219 ???? ????Complex interlinked f ood chains are called (Answer : A)
???????? ???????? ???????????? a) Food Web ????b) Food net work ????c) Trophic levels ????d)Food pyr amid
???????????? 220 ???? ????Lotic ecosystem ref ers to (Answer : B)
???????? ???????? ???????????? a) Static water system ????b) Ecosystem of flowing water ????c) Ecosystem of estuaries ????d)Deep
marine water system
???????????? 221 ???? ????Autotrophs are ______________ (Answer : D)
???????? ???????? ???????????? a) Consumers ????b) Herbivores ????c) Saprophytes ????d)Producers
???????????? 222 ???? ????Organisms which depened on Producers f or nutrition are called (Answer : C)
???????? ???????? ???????????? a) Autotrophs ????b) Saprophytes ????c) Consumers ????d)Xerophytes
???????????? 223 ???? ????The source of atmospheric oxygen is (Answer : B)
???????? ???????? ???????????? a) Nitrogen cycle ????b) Green Plants ????c) Water ????d)Carbon Cycle
???????????? 224 ???? ????Plants which grow in shade are called (Answer : A)
???????? ???????? ???????????? a) Sciophytes ????b) Heliophytes ????c) Oxylophytes ????d)Epiphytes
???????????? 225 ???? ????Photosynthesis is f ound in (Answer : A)
???????? ???????? ???????????? a) Producers ????b) Decomposers ????c) Consumers ????d)Scavengers
???????????? 226 ???? ????Phytoplankton are (Answer : B)
???????? ???????? ???????????? a) Producers of f orest ????b) Producers of lakes ????c) Consumers of Ocean ????d)Omnivores
???????????? 227 ???? ????Gas released during photosynthesis is (Answer : C)
???????? ???????? ???????????? a) Methane ????b) Nitrogen ????c) Oxygen ????d)Carbon dioxide
???????????? 228 ???? ????The ma jor reservoir of carbon is (Answer : B)
???????? ???????? ???????????? a) The atmosphere ????b) Ocean Bed ????c) Plant and animals ????d)Rock
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???????????? 12 ???? ????World Environment Day (Answer : A)
???????? ???????? ???????????? a) 5th June ????b) 5th July ????c) 5th August ????d)5th September
???????????? 13 ???? ????The biggest award f or environmental activities in India is given in the name of an individual. In whose
name is it constituted? (Answer : C)
???????? ???????? ???????????? a) Lal Bahadur Shasthri ????b) Mor ar ji Desai ????c) Indir a Gandhi ????d)Kamar a j.
???????????? 14 ???? ????All f orms of water that comes down on Earth, including r ain, snow, hail etc. is known as _____________
(Answer : C)
???????? ???????? ???????????? a) Calcification ????b) Fixation ????c) Precipitation ????d)Accumulation
???????????? 15 ???? ????The ocean covers ________ percentage of Earth?s surf ace. (Answer : C)
???????? ???????? ???????????? a) 515 ????b) 0.61 ????c) 0.71 ????d)0.91
???????????? 16 ???? ????The portion of the earth and its environment which can support lif e is known as _________ (Answer : B)
???????? ???????? ???????????? a) Crust ????b) Biosphere ????c) Exosphere ????d)Atmosphere
???????????? 17 ???? ????What is troposphere? (Answer : C)
???????? ???????? ???????????? a) Portion of air ????b) Portion of water ????c) Lowest layer of atmosphere where we survive
????d)Portion of sky
???????????? 18 ???? ????The main energy source f or the environment is ________ (Answer : A)
???????? ???????? ???????????? a) Solar energy ????b) Chemical energy ????c) Bioelectric energy ????d)Electrical energy
???????????? 19 ???? ????What is UNCED? (Answer : C)
???????? ???????? ???????????? a) United Nations Conf erence on Education ????b) United Nations Conf erence on Environmental Day
????c) United Nations Conf erence on Environment and Development ????d)None of these.
???????????? 20 ???? ????Atmospheric humidity is measured by (Answer : C)
???????? ???????? ???????????? a) Auxanometer ????b) Photometer ????c) Hygrometer ????d)None
???????????? 21 ???? ????The area to which a species is biologically adapted to live is known (Answer : B)
???????? ???????? ???????????? a) Niche ????b) Habitat ????c) Succession ????d)Community
???????????? 22 ???? ????Study of inter-relationship between organisms and their environment is called (Answer : A)
???????? ???????? ???????????? a) Ecology ????b) Ecosystem ????c) Phytogeogr aphy ????d)Ethology
???????????? 23 ???? ????The term Ecology was coined by (Answer : B)
???????? ???????? ???????????? a) A.G.Tansley ????b) Earnst Haeckel ????c) Aristotle ????d)Linnaeus
???????????? 24 ???? ????An example of an abiotic component (Answer : B)
???????? ???????? ???????????? a) Plants ????b) Soil ????c) Animals ????d)Bacteria
???????????? 25 ???? ????The area to which a species is biologically adapted to live is known (Answer : B)
???????? ???????? ???????????? a) Niche ????b) Habitat ????c) Succession ????d)Community
???????????? 26 ???? ????The objective of environmental education is (Answer : D)
???????? ???????? ???????????? a) Raise consciousness about environmental education ????b) T o teach environmentally appropriate
behaviour ????c) Create an environmental ethic that f osters awareness about ecological inter-dependence of economics,
social and political ????d)All of the above
???????????? 27 ???? ????Which of the f ollowing is not influenced by human activities? (Answer : A)
???????? ???????? ???????????? a) Depletion of ground water ????b) Destruction of mangroves and wetlands ????c) Increased extinction
r ate of species ????d)None of the above
???????????? 28 ???? ????Environmental education is important only at (Answer : D)
???????? ???????? ???????????? a) Primary school stage ????b) Secondary school stage ????c) Collage stage ????d)All stages
???????????? 29 ???? ????Which of the f ollowing conceptual components of the environment are ef f ective tr ansporters of
matter? (Answer : A)
???????? ???????? ???????????? a) Atmosphere and hydrosphere ????b) (b) Atmosphere and lithosphere ????c) (c) Hydrosphere and
lithosphere ????d)(d) Lithosphere and biosphere
???????????? 30 ???? ????Biosphere is (Answer : B)
???????? ???????? ???????????? a) (a) The solid shell of inorganic materials on the surf ace of the Earth ????b) (b) The thin shell of
organic matter on the surf ace of earth comprising of all the living things ????c) (c) The sphere which occupies the
maximum volume of all the spheres ????d)(d) All of the above
???????????? 31 ???? ????Which of the f ollowing conceptual sphere of the environment is having the least stor age capacity f or
matter? (Answer : A)
???????? ???????? ???????????? a) (a) Atmosphere ????b) (b) Lithosphere ????c) (c) Hydrosphere ????d)(d) Biosphere
???????????? 32 ???? ????Which of the f ollowing is an example of impact of development activities on the Hydrosphere? (Answer
: D)
???????? ???????? ???????????? a) (a) Air pollution ????b) (b) Soil pollution ????c) (c) Soil erosion ????d)(d) Water pollution
???????????? 33 ???? ????Weather occurs in the Earths: (Answer : A)
???????? ???????? ???????????? a) (a) Troposhere ????b) (b) Mesophere ????c) (c) Ionosphere ????d)(d) Thermosphere
???????????? 34 ???? ????Biosphere is a term used to represent the: (Answer : C)
???????? ???????? ???????????? a) (a) Entire atmosphere consisting of troposphere, str atosphere, mesosphere, and thermosphere
????b) (b) Entire hydrosphere-representing the entire collection of water over the Earth as well as inside the Earth ????c) (c)
A small zone of Earth, where the lithosphere, hydrosphere, and atmosphere come in contact with one another ????d)(d)
Entire lithosphere-representing the solid Earth and its interior
???????????? 35 ???? ????The term ecology was introduced by: (Answer : A)
???????? ???????? ???????????? a) (a) Haeckel ????b) (b) Odum ????c) (c) Tansely ????d)(d) Ramdeo Mishr a
???????????? 36 ???? ????The study of inter actions between living and non-living organisms and environment is called (Answer :
B)
???????? ???????? ???????????? a) (a) Ecosystem ????b) (b) Ecology ????c) (c) Phyto-geogr aphy ????d)(d) Phytosociology
???????????? 37 ???? ????An ecosystem consist of (Answer : D)
???????? ???????? ???????????? a) (a) Green plants and animals ????b) (b) Green plants and decomposers ????c) (c) Producers and
consumers ????d)(d) Green plants, animals, decomposers and abiotic environment
???????????? 38 ???? ????The environment which has been modified by human activities is called (Answer : B)
???????? ???????? ???????????? a) (a) Natur al environment ????b) (b) Anthropogenic environment ????c) (c) Modem environment ????d)(d)
Urban environment
???????????? 39 ???? ????Which of the f ollowing statements is not true? (Answer : C)
???????? ???????? ???????????? a) (a) Inorganic nutrients are recycled in an ecosystem ????b) (b) Energy flows through the ecosystem
in the f orm of C-C bonds ????c) (c) Energy is recycled in an ecosystem ????d)(d) Respir ation process releases energy
???????????? 40 ???? ????Driving f orce in an ecosystem is (Answer : C)
???????? ???????? ???????????? a) (a) Plants ????b) (b) Producers ????c) (c) Solar energy ????d)(d) Biomass energy
???????????? 41 ???? ????Physical and chemical components of an ecosystem constitute (Answer : C)
???????? ???????? ???????????? a) (a) Biotic structure ????b) (b) Abioltic structure ????c) (c) Both of these ????d)(d) None of these
???????????? 42 ???? ????Which one of the f ollowing is an abiotic component of the ecosystem? (Answer : C)
???????? ???????? ???????????? a) (a) Bacteria ????b) (b) Plants ????c) (c) Humus ????d)(d) Fungi
???????????? 43 ???? ????Which of the f ollowing is a possible producer in an ecosystem? (Answer : A)
???????? ???????? ???????????? a) (a) Plants ????b) (b) Animals ????c) (c) Human beings ????d)(d) Fish
???????????? 44 ???? ????The organisms which f eed on dead organisms and excreta of living organisms are known (Answer : A)
???????? ???????? ???????????? a) (a) Decomposers ????b) (b) Consumers ????c) (c) Producers ????d)(d) Carnivores
???????????? 45 ???? ????A trophic level ref ers to: (Answer : C)
???????? ???????? ???????????? a) (a) Area in the tropics ????b) (b) An organism?s portion in a f ood chain ????c) (c) An organism?s
position in an ecosystem ????d)(d) An organism?s position in a biome
???????????? 46 ???? ????In a f ood chain animals constitute the: (Answer : C)
???????? ???????? ???????????? a) (a) First trophic level ????b) (b) Second trophic level ????c) (c) Intermediate trophic level ????d)(d)
Ultimate trophic level
???????????? 47 ???? ????The f ood chain in which microorganisms breakdown dead producers is called: (Answer : D)
???????? ???????? ???????????? a) (a) Consumer f ood chain ????b) (b) Predator f ood chain ????c) (c) Par asitic f ood chain ????d)(d) Detritus
f ood chain
???????????? 48 ???? ????Food chain starts with (Answer : A)
???????? ???????? ???????????? a) (a) Producer ????b) (b) Herbivores ????c) (c) Carnivores ????d)(d) Omnivores
???????????? 49 ???? ????In a f ood chain, humans are (Answer : D)
???????? ???????? ???????????? a) (a) Secondary consumers ????b) (b) Primary consumer ????c) (c) Producers ????d)(d) Primary and
secondary consumers both
???????????? 50 ???? ????Which one is the correct f ood chain? (Answer : A)
???????? ???????? ???????????? a) (a) Phytoplankton ?? Zooplankton ?? Fish ????b) (b) Zooplankton ?? Phytoplankton ?? Fish ????c)
(c) Zooplankton ?? Protozoans ?? Fish ????d)(d) Gr ass ?? Fish ?? Zooplankton
???????????? 51 ???? ????A f ood web consists of (Answer : A)
???????? ???????? ???????????? a) (a) Interlocking f ood chains ????b) (b) Producers, consumers and decomposers ????c) (c) A portion of
a f ood chain ????d)(d) A set of similar consumers
???????????? 52 ???? ????Food webs are (Answer : C)
???????? ???????? ???????????? a) (a) One kind of f ood ????b) (b) Not related to f ood chains at all ????c) (c) Inter-connected arr angement
of f ood chains ????d)(d) Linear arr angement of f ood chains
???????????? 53 ???? ????Pyr amid of number is given by (Answer : C)
???????? ???????? ???????????? a) (a) Haeckel ????b) (b) Odum ????c) (c) Elton ????d)(d) Tansely
???????????? 54 ???? ????Which ecological pyr amid is always upright? (Answer : C)
???????? ???????? ???????????? a) (a) Pyr amid of number ????b) (b) Pyr amid of biomass ????c) (c) Pyr amid of energy ????d)(d) Pyr amid of
number and biomass
???????????? 55 ???? ????An ecological pyr amid ref ers to the (Answer : D)
???????? ???????? ???????????? a) (a) Pyr amid of energy ????b) (b) Pyr amid of number ????c) (c) Pyr amid of biomass ????d)(d) All of the
above
???????????? 56 ???? ????An ecosystem may not undergo changes because: (Answer : A)
???????? ???????? ???????????? a) (a) It is in a state of homeostasis ????b) (b) It has plants and animals both ????c) (c) It gets solar
energy continuously ????d)(d) The decomposers are present in it
???????????? 57 ???? ????Energy flow in an ecosystem is always: (Answer : A)
???????? ???????? ???????????? a) (a) Unidirectional ????b) (b) Cyclic ????c) (c) Reversible ????d)(d) Multi-directional
???????????? 58 ???? ????The primary producers in a f orest ecosystem are: (Answer : A)
???????? ???????? ???????????? a) (a) Chlorophyll containing trees and plants ????b) (b) Herbivores ????c) (c) Carnivores ????d)(d) Bacteria
and other micro-organism
???????????? 59 ???? ????The desert among the f ollowing which is not a cold desert is: (Answer : D)
???????? ???????? ???????????? a) (a) Golbi desert ????b) (b) Patagonian desert ????c) (c) Atacama desert ????d)(d) Ma java desert
???????????? 60 ???? ????The darker zone in lakes where light penetr ation is negligible is called the: (Answer : D)
???????? ???????? ???????????? a) (a) Euphotic zone ????b) (b) Littor al zone ????c) (c) Limnetic zone ????d)(d) Benthic zone
???????????? 61 ???? ????The zone of a sea lying over the continental shelf is known as the: (Answer : B)
???????? ???????? ???????????? a) (a) Bathyl zone ????b) (b) Neritic zone ????c) (c) Abyssal zone ????d)(d) Littor al zone
???????????? 62 ???? ????Which one of the f ollowing is not a fresh water biome? (Answer : A)
???????? ???????? ???????????? a) (a) Lotic ????b) (b) Lentic ????c) (c) Spings ????d)(d) Deep sea
???????????? 63 ???? ????Tendency of pollutants to become concentr ated in successive trophic levels is known as: (Answer : A)
???????? ???????? ???????????? a) (a) Biomagnification ????b) (b) Biorhythm ????c) (c) Bioremediation ????d)(d) Biopir acy
???????????? 64 ???? ????Eutrophication is: (Answer : B)
???????? ???????? ???????????? a) (a) An improved water quality status of lakes ????b) (b) The result of accumulation of plant nutrients
in water bodies ????c) (c) A process in the carbon cycle ????d)(d) A water purification technique
???????????? 65 ???? ????Increase in f auna and decrease in flor a would be harmf ul due to increase in: (Answer : B)
???????? ???????? ???????????? a) (a) Diseases ????b) (b) CO ????c) (c) O2 ????d)(d) Radioactive pollution
???????????? 66 ???? ????The largest reservoir of nitrogen an our planet is: (Answer : B)
???????? ???????? ???????????? a) (a) Ocean ????b) (b) Atmosphere ????c) (c) Biosphere ????d)(d) Fossil f uels
???????????? 67 ???? ????Overgr azing results in: (Answer : A)
???????? ???????? ???????????? a) (a) Soil erosion ????b) (b) Retention of usef ul species ????c) (c) Productive soils ????d)(d) All of the
above
???????????? 68 ???? ????In the world, the economy of the India is: (Answer : D)
???????? ???????? ???????????? a) (a) Largest ????b) (b) Third largest ????c) (c) Second largest ????d)(d) Fourth largest
???????????? 69 ???? ????In services output, India is: (Answer : C)
???????? ???????? ???????????? a) 10 ????b) 12 ????c) 15 ????d)4
???????????? 70 ???? ?????Smog? is a mixture of (Answer : A)
???????? ???????? ???????????? a) a) Smoke and Fog ????b) (b) Snow and Fog ????c) ( c) Snow and Dust ????d)(d) Sulphur Dioxide and
Fog
???????????? 71 ???? ????A liquid f uel that was f ormed from the ancient remains of sea plants and animals is (Answer : B)
???????? ???????? ???????????? a) Natur al gasb ????b) Petroleumc ????c) Geothermal energyd ????d)Coal
???????????? 72 ???? ????A poisonous gas given out of vehicles exhaust is (Answer : A)
a) Carbon monoxideb ????b) Ethanec ????c) Methaned ????d)Carbon dioxide
???????????? 73 ???? ????A product of photosynthesis is (Answer : C)
???????? ???????? ???????????? a) Carbon dioxideb ????b) Waterc ????c) Oxygend ????d)Chlorophyll
???????????? 74 ???? ????Atmosphere consists of 79 percent Nitrogen and 21 percent Oxygen by (Answer : B)
???????? ???????? ???????????? a) Volumeb ????b) Weightc ????c) Densityd ????d)All of these
???????????? 75 ???? ????Biogas contains mainly (Answer : B)
???????? ???????? ???????????? a) Carbon dioxideb ????b) Methanec ????c) Butaned ????d)Propane
???????????? 76 ???? ????Carbon dioxide constitutes about 0.03% of the atmosphere (Answer : A)
???????? ???????? ???????????? a) By volume(b ????b) By weight(c ????c) By mass(d ????d)None of these
???????????? 77 ???? ????Development activities on the hydrosphere cause (Answer : C)
???????? ???????? ???????????? a) Air pollutionb ????b) Soil pollutionc ????c) Water pollutiond ????d)Soil erosion
???????????? 78 ???? ????Energy flow in an ecosystem is (Answer : C)
???????? ???????? ???????????? a) Bidirectionalb ????b) Unidirectionalc ????c) Multidirectionald ????d)All rounds
???????????? 79 ???? ????Energy from the heat inside the earth is (Answer : B)
???????? ???????? ???????????? a) a Natur al gas ????b) Geothermalc ????c) Petroleumd ????d)Terr athermal
???????????? 80 ???? ????Energy in the r ays from the sun is called (Answer : A)
???????? ???????? ???????????? a) Solar energyb ????b) Wind energyc ????c) Tidal energyd ????d)Water energy
???????????? 81 ???? ????Environment is the lif e support system that includes (Answer : D)
???????? ???????? ???????????? a) Airb ????b) Waterc ????c) Landd ????d)All of the above
???????????? 82 ???? ????Extensive planting of trees to increase cover is called (Answer : A)
???????? ???????? ???????????? a) Af f orestation(b ????b) Agrof orestation(c ????c) Def orestation(d ????d)Social f orestry
???????????? 83 ???? ????Extensive planting of trees to increase f orest cover is called (Answer : A)
???????? ???????? ???????????? a) Af f orestation, b ????b) Agrof orestry, c ????c) Def orestation, d ????d)Social f orestry
???????????? 84 ???? ????Forest and wild lif e are (Answer : A)
???????? ???????? ???????????? a) Renewable resource(b ????b) Non-renewable resources (c ????c) Inexhaustible resources (d ????d)None
of these
???????????? 85 ???? ????Forests prevent soil erosion by binding soil particles in their (Answer : B)
???????? ???????? ???????????? a) Leaves(b ????b) Roots(c ????c) Buds(d ????d)Stems
???????????? 86 ???? ????Formation of hole in Ozone is maximum over (Answer : C)
???????? ???????? ???????????? a) Indiab ????b) Europec ????c) Antarcticad ????d)Africa
???????????? 87 ???? ????Fossil f uel and metallic miner als are: (Answer : C)
???????? ???????? ???????????? a) Renewable resource (b ????b) Inexhaustible resources (c ????c) Non-renewable resources (d ????d)None
of these
???????????? 88 ???? ????Green house ef f ect is linked to (Answer : C)
???????? ???????? ???????????? a) Nitrogen oxidesb ????b) Sulphur dioxidesc ????c) Carbon dioxidesd ????d)Carbon monoxides
???????????? 89 ???? ????In our country the percentage of land under f orest is about: (Answer : B)
???????? ???????? ???????????? a) 20%(b ????b) 19%(c ????c) 25%(d ????d)30%
???????????? 90 ???? ????In respect of water crisis, there have been conflicts/disputes between two countries, or states of the
same country. Which of the f ollowing has never been the case of water conflict? (Answer : D)
???????? ???????? ???????????? a) Cauvery water dispute between Tamil Nadu and Karnataka (b ????b) Yamuna-Betwa dispute between
U.P. and M.P. (c ????c) Sutlej Yamuna Link (SYL ????d)canal dispute between Pun jab and Haryana (d
???????????? 91 ???? ????Instrumentation technology used to locate suitable places f or mining (Answer : C)
???????? ???????? ???????????? a) a) Microscope ????b) b) Salinometer ????c) c) GIS ????d)d) camer a tr ap
???????????? 92 ???? ????Kaveri water dispute is in between: (Answer : D)
???????? ???????? ???????????? a) India and Pakistan (b ????b) Pun jab and Haryana (c ????c) Uttar Pr adesh and Madhya Pr adesh (d
????d)Karnataka and Tamil Nadu
???????????? 93 ???? ????Khetri (Ra jasthan) is f amous f or: (Answer : B)
???????? ???????? ???????????? a) Coal mines(b ????b) Copper mines(c ????c) Gr anite stone(d ????d)Marble stone
???????????? 94 ???? ????Main source of acid r ain is (Answer : A)
???????? ???????? ???????????? a) Sulphur dioxideb ????b) Nitrogenc ????c) Carbon dioxided ????d)Carbon monoxide
???????????? 95 ???? ????Ma jor consumer of wood from f orest is ___________ (Answer : B)
???????? ???????? ???????????? a) Thermal Power Plant ????b) Paper Industry ????c) Chemistry Industry ????d)none
???????????? 96 ???? ????Moisture in the air is known as (Answer : D)
???????? ???????? ???????????? a) a) Water ????b) (b) Fog ????c) ( c) Snow ????d)(d) Humidity
???????????? 97 ???? ????Name the country which virtually closed cod fishery in the 1990?s due to depletion of fish reserves
(Answer : A)
???????? ???????? ???????????? a) a) Canada ????b) b) Argentina ????c) c) Italy ????d)d) India
???????????? 98 ???? ????Name the financial agency which hesistate to support the Sardar Sarovar Pro ject in India in 1993 a result
of the demands of local people threatened with the loss of their livelihoods and homes in the submergence area.
(Answer : B)
???????? ???????? ???????????? a) a) Swiss bank ????b) b) World Bank ????c) c) Bank of India ????d)d) International Monetary Fund
???????????? 99 ???? ????Nitrogen constitutes about 78% of the atmosphere (Answer : C)
???????? ???????? ???????????? a) By weight(b ????b) By mass(c ????c) By volume(d ????d)None of these
???????????? 100 ???? ????Noise is measured by sound meter and the unit is (Answer : C)
???????? ???????? ???????????? a) Hertzb ????b) Joulec ????c) Decibeld ????d)Seconds
???????????? 101 ???? ????One of India?s serious environmental problems is f orest degr adation. What is the main cause of f orest
degr adation? (Answer : A)
???????? ???????? ???????????? a) timber extr action ????b) honey extr action ????c) high altitude ????d)Low Rainf all
???????????? 102 ???? ????Ozone day is observed on (Answer : B)
???????? ???????? ???????????? a) 3rd Januaryb ????b) 16th Septemberc ????c) 10th Novemberd ????d)26th March
???????????? 103 ???? ????Ozone Umbrella is located in which layer of atmosphere (Answer : B)
???????? ???????? ???????????? a) a) Troposphere ????b) (b) Str atosphere ????c) (c) Mesosphere ????d)(d) Ionosphere
???????????? 104 ???? ????Peeling of Ozone umbrella, which protects us from UV r ays, is caused by (Answer : B)
???????? ???????? ???????????? a) Carbon monoxideb ????b) CFCsc ????c) Coal burningd ????d)Methane
???????????? 105 ???? ????Soil erosion removes surf ace soil which contains (Answer : A)
???????? ???????? ???????????? a) Organic matterb ????b) Plant nutrientsc ????c) Both a and bd ????d)none of the above
???????????? 106 ???? ????Sustainable development means (Answer : C)
???????? ???????? ???????????? a) a. meeting present needs without compromising on f uture needs ????b) b. progress of human beings
????c) c. balance between human needs and the ability of earth to provide the resources ????d)d. all of the above
???????????? 107 ???? ????The adverse ef f ect of modern agriculture is (Answer : B)
???????? ???????? ???????????? a) Water pollutionb ????b) Soil degr adationc ????c) Water loggingd ????d)All of the above
???????????? 108 ???? ????The f ossil f uel that is derived from the dead remains of plants that grew some 250 million years ago is
(Answer : C)
???????? ???????? ???????????? a) Petroleumb ????b) Natur al gasc ????c) Coald ????d)LPG
???????????? 109 ???? ????The impact of construction of dams (Answer : D)
???????? ???????? ???????????? a) Submerged f orest b ????b) Loss of wild lif e habitat c ????c) Damages downstream ecosystem d ????d)All
of the above
???????????? 110 ???? ????The ma jor cause f or land degr adation in our country is (Answer : A)
???????? ???????? ???????????? a) Soil erosion(b ????b) Pollution of soil(c ????c) Water-logging(d ????d)None of the above
???????????? 111 ???? ????The ma jor reason f or floods in the rivers Ganges and Br ahmaputr a is ________ (Answer : B)
???????? ???????? ???????????? a) a) Dams in Himalayas ????b) b) Def orestation in Himalayas ????c) c) Heavy r ains ????d)d) Melting of ice
???????????? 112 ???? ????The method of r ainwater harvesting which can be adopted by individual house owners is (Answer : D)
???????? ???????? ???????????? a) Construction of recharge trenches (b ????b) On channel stor age of water (c ????c) Creation of new
water bodies (d ????d)Roof-top r ainwater harvesting
???????????? 113 ???? ????The percentage of total world?s precipitation, which is lost to the atmosphere through evapor ation,
approximates to: (Answer : A)
???????? ???????? ???????????? a) 57%(b ????b) 7%(c ????c) 37%(d ????d)43%
???????????? 114 ???? ????The process of restoring f orests that once existed but was removed at some time in the past is known
as (Answer : B)
???????? ???????? ???????????? a) Af f orestationb ????b) Ref orestationc ????c) Def orestationd ????d)None of these
???????????? 115 ???? ????The share of Hydropower (Hydel pro jects) in worlds commercial electricity production is less than ________
(Answer : D)
???????? ???????? ???????????? a) 2.00% ????b) 4.00% ????c) 12.00% ????d)20.00%
???????????? 116 ???? ????The species restricted to be present in one region are called (Answer : B)
???????? ???????? ???????????? a) Edge speciesb ????b) Endemic species c ????c) Endangered species d ????d)Keystone species
???????????? 117 ???? ????The teeth are likely to be pitted, more susceptible to cavities and wear, when the fluoride concentr ation
is: (Answer : D)
???????? ???????? ???????????? a) More than 2 mg/1 (b ????b) More than 40 mg/1 (c ????c) More than 20 mg/1 (d ????d)More than 4 mg/1
???????????? 118 ???? ????The term ?Environment? has been derived from the French word which means to encircle or surround
(Answer : A)
???????? ???????? ???????????? a) Environb ????b) Oikosc ????c) Geod ????d)Aqua
???????????? 119 ???? ????Wetlands in the flood plains of rivers are also considered as nature?s ________ (Answer : C)
???????? ???????? ???????????? a) a) Heat sink ????b) b) carbon sink ????c) c) flood control systems ????d)d) swimming pool
???????????? 120 ???? ????What are rodenticides? (Answer : C)
???????? ???????? ???????????? a) that kill fishes ????b) that kill insects ????c) that kill r ats ????d)that kill crocos
???????????? 121 ???? ????What is Kyoto Protocol? (Answer : A)
???????? ???????? ???????????? a) a. It is an agreement among countries to take steps f or reducing global warming. ????b) b. It is an
agreement among countries to take steps f or reducing acid r ain. ????c) c. It is an agreement among countries to take steps
f or planting trees to control pollution. ????d)d. It is an agreement among countries to start using nuclear energy.
???????????? 122 ???? ????What is the ma jor limiting f actor in the arid areas of our country? (Answer : C)
???????? ???????? ???????????? a) a) Money ????b) b) f orests ????c) c) water ????d)d) soil
???????????? 123 ???? ????What kind of people are the most ill-af f ected by the construction of dams? (Answer : D)
???????? ???????? ???????????? a) a) Urban dwellers ????b) b) beach dwellers ????c) c) tourists ????d)d) tribal people
???????????? 124 ???? ????When fluoride concentr ation in H2O exceeds about 1.5 mg/1, the disease that may be caused, is
(Answer : B)
???????? ???????? ???????????? a) Dental caries in children(b ????b) Fluorosis(c ????c) Polymyelitis(d ????d)Methemoglobinemia
???????????? 125 ???? ????Which among the f ollowing is a sedimentary type of cycle? (Answer : A)
???????? ???????? ???????????? a) Sulphur cycle(b ????b) Nitrogen cycle(c ????c) Oxygen cycle(d ????d)Carbon cycle
???????????? 126 ???? ????Which gas is responsible f or ozone layer depletion around earth? (Answer : B)
???????? ???????? ???????????? a) Carbon dioxideb ????b) Chlorofluorocarbonsc ????c) Oxygend ????d)Nitrogen oxide
???????????? 127 ???? ????Which gas is responsible f or the global warming? (Answer : B)
???????? ???????? ???????????? a) Nitrogenb ????b) Carbon dioxidec ????c) Noble gasesd ????d)Hydrogen
???????????? 128 ???? ????Which is a list of renewable resources? (Answer : D)
???????? ???????? ???????????? a) Petroleum, geothermal, wind b ????b) Biomass, geothermal, hydropower c ????c) Natur al gas, wind,
biomass d ????d)Hydropower, solar, wind energy
???????????? 129 ???? ????Which is the only country who has not r atified the Kyoto Protocol yet? (Answer : A)
???????? ???????? ???????????? a) United States ????b) Austr alia ????c) Japan ????d)India
???????????? 130 ???? ????Which of below items is the ma jor sector which extr acts most of fresh water available f or utilization?
(Answer : D)
???????? ???????? ???????????? a) domestic use ????b) drinking water ????c) bever age industry ????d)agriculture
???????????? 131 ???? ????Which of the f ollowing are consequences of ozone depletion (Answer : A)
???????? ???????? ???????????? a) Skin cancer and catar actb ????b) Reduced growth in plants c ????c) Shortening of zooplanktons and
their breeding period d ????d)All of the above
???????????? 132 ???? ????Which of the f ollowing are ma jor environmental issues involved in mining? (Answer : D)
???????? ???????? ???????????? a) air pollutionb ????b) water pollutionc ????c) soil degr adationd ????d)all of the above
???????????? 133 ???? ????Which of the f ollowing ef f ect is responsible f or Global Warming? (Answer : A)
???????? ???????? ???????????? a) Green house ef f ectb ????b) Radioactive ef f ectc ????c) Solar ef f ectd ????d)Nuclear ef f ect
???????????? 134 ???? ????Which of the f ollowing is management option f or air pollution? (Answer : D)
???????? ???????? ???????????? a) Regulations and standardsb ????b) Tr ansport planningc ????c) Using CNG as f ueld ????d)All of these
???????????? 135 ???? ????Which of the f ollowing is not a method f or water conservation? (Answer : B)
???????? ???????? ???????????? a) Rainwater harvesting(b ????b) Groundwater extr action (c ????c) Improving irrigation ef ficiency (d
????d)Avoiding water wastage
???????????? 136 ???? ????Which of the f ollowing is not a viable protection against def orestation? (Answer : C)
???????? ???????? ???????????? a) Reduce the consumption of f orest and related products (b ????b) Boycott products of companies
involve in def orestation (c ????c) Privatisation of f orest land (d ????d)Environmental education
???????????? 137 ???? ????Which of the f ollowing is not influenced by human activities? (Answer : D)
???????? ???????? ???????????? a) Destruction of mangroves and wetlands b ????b) Depletion of ground water c ????c) Increased
extinction r ate of species d ????d)None of the above
???????????? 138 ???? ????Which of the f ollowing is not true about def orestation? (Answer : C)
???????? ???????? ???????????? a) Population explosion is one of the reasons f or def orestation (b ????b) Cleaning of f orest f or
agriculture causes def orestation. (c ????c) Def orestation is taking place only in developing courtiers. (d ????d)Cash crop
economy of third world is a cause of def orestation.
???????????? 139 ???? ????Which of the f ollowing is responsible f or desertification? (Answer : D)
???????? ???????? ???????????? a) Def orestation(b ????b) Mining(c ????c) Overgr azing(d ????d)All of the above
???????????? 140 ???? ????Which of the f ollowing statements about the f orest is not correct? (Answer : D)
???????? ???????? ???????????? a) Forest reduces soil erosion (b ????b) Provides recreational opportunities (c ????c) Provides economic
development (d ????d)None of the above
???????????? 141 ???? ????Which of these is not a f ossil f uel? (Answer : D)
???????? ???????? ???????????? a) Coalb ????b) Oilc ????c) Natur al gasd ????d)Ur anium
???????????? 142 ???? ????Which one of the f ollowing is not an ideal solution f or tackling water shortages? (Answer : D)
???????? ???????? ???????????? a) Controlling population growth (b ????b) Conserving water in irrigation (c ????c) Controlling water
pollution (d ????d)Drilling large number of deep bore wells
???????????? 143 ???? ????Which one of the f ollowing regions in India is a hotspot of biodiversity? (Answer : B)
???????? ???????? ???????????? a) Sundarbansb ????b) Western Ghatsc ????c) Eastern Ghatsd ????d)Gangetic plains
???????????? 144 ???? ????World environment day is on: (Answer : B)
???????? ???????? ???????????? a) 5th Mayb ????b) 5th Junec ????c) 18th Julyd ????d)16th August
???????????? 145 ???? ????World Forest day is celebr ated on (Answer : A)
???????? ???????? ???????????? a) 21st March b ????b) 5th June c ????c) 1st Dec d ????d)7th June
???????????? 146 ???? ????Yellowing of Ta j Mahal is an ef f ect of (Answer : A)
???????? ???????? ???????????? a) Acid r ainb ????b) Global warmingc ????c) Ozone depletiond ????d)All of the above
???????????? 147 ???? ????Green Revolution in India was initiated by __________ (Answer : A)
???????? ???????? ???????????? a) M.S. Swaminathan ????b) Sunderlal Bahuguna ????c) Kurien ????d)Medha Patkar
???????????? 148 ???? ????Who wrote the book Violence of Green Revolution (Answer : A)
???????? ???????? ???????????? a) Vandana Siva ????b) Sheela Dikshit ????c) Menaka Gandhi ????d)Arundhathi Roy.
???????????? 149 ???? ????World Forest day is celebr ated on (Answer : A)
???????? ???????? ???????????? a) 21st March ????b) 5th June ????c) 1st Dec ????d)7th June
???????????? 150 ???? ????The Chipko movement is started by (Answer : B)
???????? ???????? ???????????? a) Engler ????b) Sunderlal Bahuguna ????c) Medha Padkar ????d)None of these
???????????? 151 ???? ????Green revolution is associated with _________ (Answer : B)
???????? ???????? ???????????? a) sericulture ????b) Agriculture ????c) Fish culture ????d)silviculture
???????????? 152 ???? ????Which gas is likely to be reduced in the atmosphere by def orestation? (Answer : C)
???????? ???????? ???????????? a) Carbon dioxide ????b) Nitrogen ????c) Oxygen ????d)Sulphur dioxide
???????????? 153 ???? ????Extensive planting of trees to increase f orest cover is called (Answer : A)
???????? ???????? ???????????? a) Af f orestation ????b) Agrof orestry ????c) Def orestation ????d)Social f orestry
???????????? 154 ???? ????Soil erosion can be prevented by (Answer : B)
???????? ???????? ???????????? a) Def orestation ????b) Af f orestation ????c) Overgr azing ????d)Removal of vegetation
???????????? 155 ???? ????The components of LPG are _____________ (Answer : B)
???????? ???????? ???????????? a) Methane & Hexane ????b) Propane & Butane ????c) Ethane & Methane ????d)Propane & Ethane
???????????? 156 ???? ????Which of the f ollowing is the most responsible f or world water crisis? (Answer : C)
???????? ???????? ???????????? a) Dams ????b) Floods ????c) Drought ????d)Population growth
???????????? 157 ???? ????The resources that can be replaced by natur al ecological cycle is called (Answer : A)
???????? ???????? ???????????? a) Renewable ????b) Non-renewable ????c) exhaustible ????d)natur al
???????????? 158 ???? ????The amount of solar r adiation reaching the surf ace of the earth is called (Answer : A)
???????? ???????? ???????????? a) Solar flux ????b) reflected light ????c) miner als ????d)solvents
???????????? 159 ???? ????The most harmf ul of ultr aviolet r adiations are (Answer : A)
???????? ???????? ???????????? a) UV-C ????b) UV-B ????c) UV-A ????d)All the above
???????????? 160 ???? ????A renewable source of energy is (Answer : D)
???????? ???????? ???????????? a) Petroleum ????b) Coal ????c) Nuclear f uel ????d)Trees
???????????? 161 ???? ????The capacity to do work is termed as (Answer : D)
???????? ???????? ???????????? a) Power ????b) Force ????c) Strength ????d)Energy
???????????? 162 ???? ????The unit of total water content of the soil is known as (Answer : A)
???????? ???????? ???????????? a) Holard ????b) Chr aserd ????c) Echard ????d)All of the above
???????????? 163 ???? ????Pedology? (Answer : C)
???????? ???????? ???????????? a) Study of water ????b) Study of air ????c) Study of soil ????d)none
???????????? 164 ???? ????What is def orestation? (Answer : B)
???????? ???????? ???????????? a) Product of f orest ????b) Destruction of f orest ????c) Forest Protection ????d)none
???????????? 165 ???? ????Def orestation gener ally decreases (Answer : D)
???????? ???????? ???????????? a) Global Warming ????b) Drought ????c) Soil erosion ????d)Rainf all
???????????? 166 ???? ????Which among the f ollowing result in the f ormation of soil? (Answer : B)
???????? ???????? ???????????? a) Radiation ????b) Weathering ????c) Erosion ????d)Pollution
???????????? 167 ???? ????Mulching helps in (Answer : B)
???????? ???????? ???????????? a) soil f ertility ????b) moisture conservation ????c) improvements soil structure ????d)soil sterility
???????????? 168 ???? ????........................ is an example of ?bottom f eeders?. (Answer : A)
???????? ???????? ???????????? a) Cat fish ????b) Frog ????c) Snake ????d)Tadpole ????e)
???????????? 169 ???? ????..................... trees shed their leaves during winter and hot summer. (Answer : C)
???????? ???????? ???????????? a) (a) ever green ????b) b) conif erous ????c) c) deciduous ????d)d) Shola
???????????? 170 ???? ????...................... is a cold desert in India (Answer : B)
???????? ???????? ???????????? a) Thar ????b) Ladakh ????c) Ran of Kutch ????d)Bhopal
???????????? 171 ???? ????A lake ecosystem f unctions as a (Answer : A)
???????? ???????? ???????????? a) Ter ai ????b) Shola gr asslands ????c) Semi arid plains ????d)Himalayan pastures
???????????? 172 ???? ????An example of nitrogen fixing bacteria in the soil (Answer : C)
???????? ???????? ???????????? a) Rhizobium ????b) Nostoc ????c) Azotobacter ????d)Nitrobacter
???????????? 173 ???? ????An example of one way ecological cycle is (Answer : C)
???????? ???????? ???????????? a) carbon dioxide cycle ????b) water cycle ????c) energy cycle ????d)oxygen cycle
???????????? 174 ???? ????Br ackish water ecosystems in river deltas are among (Answer : B)
???????? ???????? ???????????? a) Least productive ecosystems ????b) Most productive in terms of biomass production ????c) c)
Unproductive d) Stagnant ecosystems ????d)
???????????? 175 ???? ????Ecology is (Answer : C)
???????? ???????? ???????????? a) The science that studies the evolution of lif e, ????b) b) Integr ates both social and natur al sciences to
help us understand how the earth works, ????c) c) The study of the relationships between organisms and their
environment ????d)d) The study of the environment in the absence of humans
???????????? 176 ???? ????Forests grow in high r ain f all areas are (Answer : A)
???????? ???????? ???????????? a) (a) ever green f orests ????b) b) temper ate f orests ????c) c) conif ers ????d)d) Tundr a
???????????? 177 ???? ????Fungi is a (Answer : D)
???????? ???????? ???????????? a) Macroconsumer ????b) Producer ????c) Carnivore d ????d)Microconsumer
???????????? 178 ???? ????Nitrogen fixing blue green alga (Answer : C)
???????? ???????? ???????????? a) Clostridium ????b) Rhizobium ????c) Nostoc ????d)Nitrosomonas
???????????? 179 ???? ????Nitrogen gas returns to the atmosphere by the action of (Answer : B)
???????? ???????? ???????????? a) Nitrogen fixing bacteria ????b) Denitrif ying bacteria ????c) Nitrif ying bacteria ????d)Nitr ate f ertilizers
???????????? 180 ???? ????Patches of tall gr asslands interspersed with Sal f orest ecosystem is (Answer : A)
???????? ???????? ???????????? a) ????b) ????c) ????d)
???????????? 181 ???? ????Ramsar Convention ref ers to the conservation of ____________ (Answer : B)
???????? ???????? ???????????? a) (a) Deserts ????b) b) Wetlands ????c) c) Agriculture lands, ????d)d) Forest land
???????????? 182 ???? ????Some species whose removal can af f ect the survival of an ecosystem are called (Answer : B)
???????? ???????? ???????????? a) ????b) b) Keystone species ????c) c) Producers ????d)d) Carnivores
???????????? 183 ???? ????Sunderbans is home to (Answer : B)
???????? ???????? ???????????? a) Giant permanent pond ????b) Tempor ary aquatic system ????c) Simplest aquatic ecosystem ????d)Water
tank
???????????? 184 ???? ????The conversion of ammonia to nitr ate is known as ________ (Answer : B)
???????? ???????? ???????????? a) (a) ammonification ????b) b) nitrification ????c) c) denitrification ????d)d) all of these
???????????? 185 ???? ????The f orests which occur in law r ain f all area is (Answer : B)
???????? ???????? ???????????? a) (a) Evergreen f orests ????b) b) deciduous f orests ????c) c) Conif erous f orest ????d)d) All the above.
???????????? 186 ???? ????The inherent ability of organisms to reproduce and multiply is called, (Answer : B)
???????? ???????? ???????????? a) C value ????b) b) biotic potential ????c) c) carrying capacity ????d)d) K value
???????????? 187 ???? ????The largest br ackish water lake situated in Asia is in Orissa. Which is the lake? (Answer : A)
???????? ???????? ???????????? a) (a) Chilka lake ????b) b) Vembanad lake ????c) c) Woolar lake ????d)d) Dal lake
???????????? 188 ???? ????The Little Rann of Kutch is home to (Answer : D)
???????? ???????? ???????????? a) Horse ????b) b) Great Indian Bustard ????c) c) Lion ????d)d) Wild Ass
???????????? 189 ???? ????The presence of which is necessary f or photosynthesis (Answer : B)
???????? ???????? ???????????? a) (a) Chlorof orm ????b) b) Chlorophyll ????c) c) Phosphorus ????d)d) Polymer
???????????? 190 ???? ????The process through which ecosystems tend to change after a period of time is called (Answer : A)
???????? ???????? ???????????? a) ????b) ????c) ????d)
???????????? 191 ???? ????The species that flower are called (Answer : C)
???????? ???????? ???????????? a) (a) gymnosperms ????b) b) bryophytes ????c) c) angiosperms ????d)d) algae
???????????? 192 ???? ????The term ?Eco? implies (Answer : A)
???????? ???????? ???????????? a) Environment ????b) Ecotone ????c) Ecotourism ????d)Soil
???????????? 193 ???? ????The term ?Ecology? was coined by (Answer : B)
???????? ???????? ???????????? a) A.G.Tansley ????b) Earnst Haeckel ????c) Aristotle ????d)Linnaeus
???????????? 194 ???? ????The word Biophilia was coined by (Answer : D)
???????? ???????? ???????????? a) Dr. Hackel ????b) Dr.Johanssen ????c) Dr. Ben jamine ????d)E. O. Wilson
???????????? 195 ???? ????What is Dendrology? (Answer : C)
???????? ???????? ???????????? a) Study of Plants ????b) Study of Butterflies ????c) Study of Trees ????d)None of these
???????????? 196 ???? ????What is edge species? (Answer : A)
???????? ???????? ???????????? a) The species which occur abundantly in the ecotone ????b) b) Species on the verge of extinction ????c)
c) Rare species ????d)d) Endemic species
???????????? 197 ???? ????What is symbiosis? (Answer : C)
???????? ???????? ???????????? a) Study of distribution of related species ????b) b) Association between members of same species
????c) c) Association between members of two species ????d)d) None
???????????? 198 ???? ????When number of f ood chains is interlocked this is called (Answer : C)
???????? ???????? ???????????? a) f ood link ????b) f ood chain ????c) f ood web ????d)pyr amid
???????????? 199 ???? ????Which is an example f or sedimentary biogeochemical cycle (Answer : D)
???????? ???????? ???????????? a) Oxygen cycle ????b) Nitrogen cycle ????c) Water cycle ????d)Phosphorus cycle
???????????? 200 ???? ????Which is the second largest in species richness? (Answer : C)
???????? ???????? ???????????? a) Desert ????b) b) Tundr a ????c) c) Cor al reefs ????d)d) Flowing water
???????????? 201 ???? ????Gr assland of USA is ref erred to as (Answer : A)
???????? ???????? ???????????? a) Pr airies ????b) Steppes ????c) Pampas ????d)Veldts
???????????? 202 ???? ????The complex network of interconnected f ood chains is called ___________ (Answer : B)
???????? ???????? ???????????? a) Trophic level ????b) Food web ????c) Ecological pyr amid ????d)Ecology chain
???????????? 203 ???? ????The animal which consumes decaying organic matter is _________ (Answer : B)
???????? ???????? ???????????? a) Carnivore ????b) Detritivore ????c) Herbivore ????d)Producers
???????????? 204 ???? ????An ecosystem gr adually merges with an adjoining one through a tr ansitional zone is called the
______________ (Answer : C)
???????? ???????? ???????????? a) Ecological niche ????b) ecological f ootprint ????c) ecotone ????d)Shore ef f ect
???????????? 205 ???? ????The Primary Consumers are also called as (Answer : A)
???????? ???????? ???????????? a) Herbivores ????b) Carnivores ????c) Enzymes ????d)None of these
???????????? 206 ???? ????The f orests which occur in law r ain f all area is called (Answer : B)
???????? ???????? ???????????? a) Evergreen f orests ????b) deciduous f orests ????c) Conif erous f orest ????d)All the above
???????????? 207 ???? ????Favor able morphological and physiological response to a change in environment is called (Answer : D)
???????? ???????? ???????????? a) Preadaptation ????b) Ecotyping ????c) Formation of ecophenes ????d)Acclimatization
???????????? 208 ???? ????Plants adapted to open, sunny habitats are (Answer : B)
???????? ???????? ???????????? a) Sciophytes ????b) Heliophytes ????c) Mesophytes ????d)Epiphytes
???????????? 209 ???? ????Temper ate f orests occur in India in (Answer : B)
???????? ???????? ???????????? a) Indo-gangetic plains ????b) Himalayas ????c) Eastern India ????d)Southern peninsula
???????????? 210 ???? ????In India, tropical evergreen f orests occur in (Answer : C)
???????? ???????? ???????????? a) Himachal Pr adesh ????b) Madhya Pr adesh ????c) Assam ????d)Tamil Nadu
???????????? 211 ???? ????Which one is natures cleaner? (Answer : C)
???????? ???????? ???????????? a) Consumers ????b) Producers ????c) Decomposers and Scavengers ????d)Symbionts
???????????? 212 ???? ????The relationship between nitrogen fixing bacteria and leguminous plants is an example f or (Answer : C)
???????? ???????? ???????????? a) Par asitism ????b) Predation ????c) Mutualism ????d)Symbiosis
???????????? 213 ???? ????______ trees shed their leaves during winter and hot summer. (Answer : C)
???????? ???????? ???????????? a) Ever green ????b) Conif erous ????c) Deciduous ????d)Shola
???????????? 214 ???? ????Thorn f orests are f ound in the_______ regions (Answer : A)
???????? ???????? ???????????? a) Semi-arid ????b) High r ain f all areas ????c) Low temper ature ????d)Frozen areas
???????????? 215 ???? ????________ is a cold desert in India (Answer : B)
???????? ???????? ???????????? a) Thar ????b) Ladakh ????c) Ran of Kutch ????d)Bhopal
???????????? 216 ???? ????______ is an example of bottom f eeders (Answer : A)
???????? ???????? ???????????? a) Cat fish ????b) Frog ????c) Snake ????d)Tadpole
???????????? 217 ???? ????A Hawk that eats a frog is a (Answer : D)
???????? ???????? ???????????? a) Producer ????b) Primary Consumer ????c) Secondary Consumer ????d)Tertiary Consumer
???????????? 218 ???? ????An example of lotic system (Answer : B)
???????? ???????? ???????????? a) Pond ????b) River ????c) Lake ????d)Reservoir
???????????? 219 ???? ????Complex interlinked f ood chains are called (Answer : A)
???????? ???????? ???????????? a) Food Web ????b) Food net work ????c) Trophic levels ????d)Food pyr amid
???????????? 220 ???? ????Lotic ecosystem ref ers to (Answer : B)
???????? ???????? ???????????? a) Static water system ????b) Ecosystem of flowing water ????c) Ecosystem of estuaries ????d)Deep
marine water system
???????????? 221 ???? ????Autotrophs are ______________ (Answer : D)
???????? ???????? ???????????? a) Consumers ????b) Herbivores ????c) Saprophytes ????d)Producers
???????????? 222 ???? ????Organisms which depened on Producers f or nutrition are called (Answer : C)
???????? ???????? ???????????? a) Autotrophs ????b) Saprophytes ????c) Consumers ????d)Xerophytes
???????????? 223 ???? ????The source of atmospheric oxygen is (Answer : B)
???????? ???????? ???????????? a) Nitrogen cycle ????b) Green Plants ????c) Water ????d)Carbon Cycle
???????????? 224 ???? ????Plants which grow in shade are called (Answer : A)
???????? ???????? ???????????? a) Sciophytes ????b) Heliophytes ????c) Oxylophytes ????d)Epiphytes
???????????? 225 ???? ????Photosynthesis is f ound in (Answer : A)
???????? ???????? ???????????? a) Producers ????b) Decomposers ????c) Consumers ????d)Scavengers
???????????? 226 ???? ????Phytoplankton are (Answer : B)
???????? ???????? ???????????? a) Producers of f orest ????b) Producers of lakes ????c) Consumers of Ocean ????d)Omnivores
???????????? 227 ???? ????Gas released during photosynthesis is (Answer : C)
???????? ???????? ???????????? a) Methane ????b) Nitrogen ????c) Oxygen ????d)Carbon dioxide
???????????? 228 ???? ????The ma jor reservoir of carbon is (Answer : B)
???????? ???????? ???????????? a) The atmosphere ????b) Ocean Bed ????c) Plant and animals ????d)Rock
???????????? 229 ???? ????The simplest aquatic ecosystem can be seen in a (Answer : C)
???????? ???????? ???????????? a) River ????b) Lake ????c) Pond ????d)Water Tank
???????????? 230 ???? ????What is hibernation and aestivation? (Answer : A)
???????? ???????? ???????????? a) Thermal adaptation shown by animals ????b) wind adaptation shown by animals ????c) adaptation of
animals to escape from predators ????d)None
???????????? 231 ???? ????What is lentic habitat ? (Answer : B)
???????? ???????? ???????????? a) Running water habitat ????b) Standing or still water habitat ????c) Marine habitat ????d)None
???????????? 232 ???? ????What is lotic habitat? (Answer : C)
???????? ???????? ???????????? a) Standing or still water habitat ????b) Marine habitat ????c) Running water habitat ????d)Stagnant water
???????????? 233 ???? ????What is Plankton? (Answer : A)
???????? ???????? ???????????? a) Microscopic floating organisms ? Plants and animals. ????b) bottom dwelling aquatic organisms ????c)
Large plants in water ????d)None
???????????? 234 ???? ????What is Canopy? (Answer : A)
???????? ???????? ???????????? a) Uppermost level of the f orest ????b) Ground level of the f orest ????c) Soil in f orest ????d)Climbers on
trees
???????????? 235 ???? ????North American gr assland are called (Answer : B)
???????? ???????? ???????????? a) Pampas ????b) Pr airies ????c) Savannah ????d)None
???????????? 236 ???? ????African gr asslands are called (Answer : C)
???????? ???????? ???????????? a) Pr airies ????b) Pampas ????c) Savannah ????d)None
???????????? 237 ???? ????Green plants are absent in deep sea. Why? (Answer : A)
???????? ???????? ???????????? a) Light is absent ????b) High pressure ????c) low temper ature ????d)Great depth
???????????? 238 ???? ????What is desertification? (Answer : D)
???????? ???????? ???????????? a) Conversion of f orests into desert ????b) Conversion of croplands into desert ????c) Conversion of
gr assland into desert ????d)all of the above
???????????? 239 ???? ????The first trophic level in a f ood chain (Answer : A)
???????? ???????? ???????????? a) Green Plants ????b) Herbivores ????c) Carnivores ????d)Bacteria
???????????? 240 ???? ????Sulphur bacteria are examples of (Answer : D)
???????? ???????? ???????????? a) Carnivores ????b) Heterotrophs ????c) Saprophytes ????d)Autotrophs
???????????? 241 ???? ????Green Land biome (Answer : B)
???????? ???????? ???????????? a) Tundr a ????b) Pampas ????c) Taiga ????d)Thaar.
???????????? 242 ???? ????What is deep ecology? (Answer : A)
???????? ???????? ???????????? a) Protecting nature f or its own sake ????b) Ecology of deep sea ????c) Ecology of f orest ????d)Ecology of
caves
???????????? 243 ???? ????Cor al reefs in India can be seen in (Answer : B)
???????? ???????? ???????????? a) Himalayan region ????b) Andaman and Nicobar Islands ????c) Uttarpr adesh ????d)Mahar ashtr a
???????????? 244 ???? ????____________ is one of the most endangered species of Indian birds (Answer : D)
???????? ???????? ???????????? a) Bee eater ????b) Par adise fly catcher ????c) Owl ????d)The great Indian bustard
???????????? 245 ???? ????................. species is known as Azadir achta Indica (Answer : A)
???????? ???????? ???????????? a) Neem ????b) Mango ????c) Jackfruit ????d)Banana
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???????????? 12 ???? ????World Environment Day (Answer : A)
???????? ???????? ???????????? a) 5th June ????b) 5th July ????c) 5th August ????d)5th September
???????????? 13 ???? ????The biggest award f or environmental activities in India is given in the name of an individual. In whose
name is it constituted? (Answer : C)
???????? ???????? ???????????? a) Lal Bahadur Shasthri ????b) Mor ar ji Desai ????c) Indir a Gandhi ????d)Kamar a j.
???????????? 14 ???? ????All f orms of water that comes down on Earth, including r ain, snow, hail etc. is known as _____________
(Answer : C)
???????? ???????? ???????????? a) Calcification ????b) Fixation ????c) Precipitation ????d)Accumulation
???????????? 15 ???? ????The ocean covers ________ percentage of Earth?s surf ace. (Answer : C)
???????? ???????? ???????????? a) 515 ????b) 0.61 ????c) 0.71 ????d)0.91
???????????? 16 ???? ????The portion of the earth and its environment which can support lif e is known as _________ (Answer : B)
???????? ???????? ???????????? a) Crust ????b) Biosphere ????c) Exosphere ????d)Atmosphere
???????????? 17 ???? ????What is troposphere? (Answer : C)
???????? ???????? ???????????? a) Portion of air ????b) Portion of water ????c) Lowest layer of atmosphere where we survive
????d)Portion of sky
???????????? 18 ???? ????The main energy source f or the environment is ________ (Answer : A)
???????? ???????? ???????????? a) Solar energy ????b) Chemical energy ????c) Bioelectric energy ????d)Electrical energy
???????????? 19 ???? ????What is UNCED? (Answer : C)
???????? ???????? ???????????? a) United Nations Conf erence on Education ????b) United Nations Conf erence on Environmental Day
????c) United Nations Conf erence on Environment and Development ????d)None of these.
???????????? 20 ???? ????Atmospheric humidity is measured by (Answer : C)
???????? ???????? ???????????? a) Auxanometer ????b) Photometer ????c) Hygrometer ????d)None
???????????? 21 ???? ????The area to which a species is biologically adapted to live is known (Answer : B)
???????? ???????? ???????????? a) Niche ????b) Habitat ????c) Succession ????d)Community
???????????? 22 ???? ????Study of inter-relationship between organisms and their environment is called (Answer : A)
???????? ???????? ???????????? a) Ecology ????b) Ecosystem ????c) Phytogeogr aphy ????d)Ethology
???????????? 23 ???? ????The term Ecology was coined by (Answer : B)
???????? ???????? ???????????? a) A.G.Tansley ????b) Earnst Haeckel ????c) Aristotle ????d)Linnaeus
???????????? 24 ???? ????An example of an abiotic component (Answer : B)
???????? ???????? ???????????? a) Plants ????b) Soil ????c) Animals ????d)Bacteria
???????????? 25 ???? ????The area to which a species is biologically adapted to live is known (Answer : B)
???????? ???????? ???????????? a) Niche ????b) Habitat ????c) Succession ????d)Community
???????????? 26 ???? ????The objective of environmental education is (Answer : D)
???????? ???????? ???????????? a) Raise consciousness about environmental education ????b) T o teach environmentally appropriate
behaviour ????c) Create an environmental ethic that f osters awareness about ecological inter-dependence of economics,
social and political ????d)All of the above
???????????? 27 ???? ????Which of the f ollowing is not influenced by human activities? (Answer : A)
???????? ???????? ???????????? a) Depletion of ground water ????b) Destruction of mangroves and wetlands ????c) Increased extinction
r ate of species ????d)None of the above
???????????? 28 ???? ????Environmental education is important only at (Answer : D)
???????? ???????? ???????????? a) Primary school stage ????b) Secondary school stage ????c) Collage stage ????d)All stages
???????????? 29 ???? ????Which of the f ollowing conceptual components of the environment are ef f ective tr ansporters of
matter? (Answer : A)
???????? ???????? ???????????? a) Atmosphere and hydrosphere ????b) (b) Atmosphere and lithosphere ????c) (c) Hydrosphere and
lithosphere ????d)(d) Lithosphere and biosphere
???????????? 30 ???? ????Biosphere is (Answer : B)
???????? ???????? ???????????? a) (a) The solid shell of inorganic materials on the surf ace of the Earth ????b) (b) The thin shell of
organic matter on the surf ace of earth comprising of all the living things ????c) (c) The sphere which occupies the
maximum volume of all the spheres ????d)(d) All of the above
???????????? 31 ???? ????Which of the f ollowing conceptual sphere of the environment is having the least stor age capacity f or
matter? (Answer : A)
???????? ???????? ???????????? a) (a) Atmosphere ????b) (b) Lithosphere ????c) (c) Hydrosphere ????d)(d) Biosphere
???????????? 32 ???? ????Which of the f ollowing is an example of impact of development activities on the Hydrosphere? (Answer
: D)
???????? ???????? ???????????? a) (a) Air pollution ????b) (b) Soil pollution ????c) (c) Soil erosion ????d)(d) Water pollution
???????????? 33 ???? ????Weather occurs in the Earths: (Answer : A)
???????? ???????? ???????????? a) (a) Troposhere ????b) (b) Mesophere ????c) (c) Ionosphere ????d)(d) Thermosphere
???????????? 34 ???? ????Biosphere is a term used to represent the: (Answer : C)
???????? ???????? ???????????? a) (a) Entire atmosphere consisting of troposphere, str atosphere, mesosphere, and thermosphere
????b) (b) Entire hydrosphere-representing the entire collection of water over the Earth as well as inside the Earth ????c) (c)
A small zone of Earth, where the lithosphere, hydrosphere, and atmosphere come in contact with one another ????d)(d)
Entire lithosphere-representing the solid Earth and its interior
???????????? 35 ???? ????The term ecology was introduced by: (Answer : A)
???????? ???????? ???????????? a) (a) Haeckel ????b) (b) Odum ????c) (c) Tansely ????d)(d) Ramdeo Mishr a
???????????? 36 ???? ????The study of inter actions between living and non-living organisms and environment is called (Answer :
B)
???????? ???????? ???????????? a) (a) Ecosystem ????b) (b) Ecology ????c) (c) Phyto-geogr aphy ????d)(d) Phytosociology
???????????? 37 ???? ????An ecosystem consist of (Answer : D)
???????? ???????? ???????????? a) (a) Green plants and animals ????b) (b) Green plants and decomposers ????c) (c) Producers and
consumers ????d)(d) Green plants, animals, decomposers and abiotic environment
???????????? 38 ???? ????The environment which has been modified by human activities is called (Answer : B)
???????? ???????? ???????????? a) (a) Natur al environment ????b) (b) Anthropogenic environment ????c) (c) Modem environment ????d)(d)
Urban environment
???????????? 39 ???? ????Which of the f ollowing statements is not true? (Answer : C)
???????? ???????? ???????????? a) (a) Inorganic nutrients are recycled in an ecosystem ????b) (b) Energy flows through the ecosystem
in the f orm of C-C bonds ????c) (c) Energy is recycled in an ecosystem ????d)(d) Respir ation process releases energy
???????????? 40 ???? ????Driving f orce in an ecosystem is (Answer : C)
???????? ???????? ???????????? a) (a) Plants ????b) (b) Producers ????c) (c) Solar energy ????d)(d) Biomass energy
???????????? 41 ???? ????Physical and chemical components of an ecosystem constitute (Answer : C)
???????? ???????? ???????????? a) (a) Biotic structure ????b) (b) Abioltic structure ????c) (c) Both of these ????d)(d) None of these
???????????? 42 ???? ????Which one of the f ollowing is an abiotic component of the ecosystem? (Answer : C)
???????? ???????? ???????????? a) (a) Bacteria ????b) (b) Plants ????c) (c) Humus ????d)(d) Fungi
???????????? 43 ???? ????Which of the f ollowing is a possible producer in an ecosystem? (Answer : A)
???????? ???????? ???????????? a) (a) Plants ????b) (b) Animals ????c) (c) Human beings ????d)(d) Fish
???????????? 44 ???? ????The organisms which f eed on dead organisms and excreta of living organisms are known (Answer : A)
???????? ???????? ???????????? a) (a) Decomposers ????b) (b) Consumers ????c) (c) Producers ????d)(d) Carnivores
???????????? 45 ???? ????A trophic level ref ers to: (Answer : C)
???????? ???????? ???????????? a) (a) Area in the tropics ????b) (b) An organism?s portion in a f ood chain ????c) (c) An organism?s
position in an ecosystem ????d)(d) An organism?s position in a biome
???????????? 46 ???? ????In a f ood chain animals constitute the: (Answer : C)
???????? ???????? ???????????? a) (a) First trophic level ????b) (b) Second trophic level ????c) (c) Intermediate trophic level ????d)(d)
Ultimate trophic level
???????????? 47 ???? ????The f ood chain in which microorganisms breakdown dead producers is called: (Answer : D)
???????? ???????? ???????????? a) (a) Consumer f ood chain ????b) (b) Predator f ood chain ????c) (c) Par asitic f ood chain ????d)(d) Detritus
f ood chain
???????????? 48 ???? ????Food chain starts with (Answer : A)
???????? ???????? ???????????? a) (a) Producer ????b) (b) Herbivores ????c) (c) Carnivores ????d)(d) Omnivores
???????????? 49 ???? ????In a f ood chain, humans are (Answer : D)
???????? ???????? ???????????? a) (a) Secondary consumers ????b) (b) Primary consumer ????c) (c) Producers ????d)(d) Primary and
secondary consumers both
???????????? 50 ???? ????Which one is the correct f ood chain? (Answer : A)
???????? ???????? ???????????? a) (a) Phytoplankton ?? Zooplankton ?? Fish ????b) (b) Zooplankton ?? Phytoplankton ?? Fish ????c)
(c) Zooplankton ?? Protozoans ?? Fish ????d)(d) Gr ass ?? Fish ?? Zooplankton
???????????? 51 ???? ????A f ood web consists of (Answer : A)
???????? ???????? ???????????? a) (a) Interlocking f ood chains ????b) (b) Producers, consumers and decomposers ????c) (c) A portion of
a f ood chain ????d)(d) A set of similar consumers
???????????? 52 ???? ????Food webs are (Answer : C)
???????? ???????? ???????????? a) (a) One kind of f ood ????b) (b) Not related to f ood chains at all ????c) (c) Inter-connected arr angement
of f ood chains ????d)(d) Linear arr angement of f ood chains
???????????? 53 ???? ????Pyr amid of number is given by (Answer : C)
???????? ???????? ???????????? a) (a) Haeckel ????b) (b) Odum ????c) (c) Elton ????d)(d) Tansely
???????????? 54 ???? ????Which ecological pyr amid is always upright? (Answer : C)
???????? ???????? ???????????? a) (a) Pyr amid of number ????b) (b) Pyr amid of biomass ????c) (c) Pyr amid of energy ????d)(d) Pyr amid of
number and biomass
???????????? 55 ???? ????An ecological pyr amid ref ers to the (Answer : D)
???????? ???????? ???????????? a) (a) Pyr amid of energy ????b) (b) Pyr amid of number ????c) (c) Pyr amid of biomass ????d)(d) All of the
above
???????????? 56 ???? ????An ecosystem may not undergo changes because: (Answer : A)
???????? ???????? ???????????? a) (a) It is in a state of homeostasis ????b) (b) It has plants and animals both ????c) (c) It gets solar
energy continuously ????d)(d) The decomposers are present in it
???????????? 57 ???? ????Energy flow in an ecosystem is always: (Answer : A)
???????? ???????? ???????????? a) (a) Unidirectional ????b) (b) Cyclic ????c) (c) Reversible ????d)(d) Multi-directional
???????????? 58 ???? ????The primary producers in a f orest ecosystem are: (Answer : A)
???????? ???????? ???????????? a) (a) Chlorophyll containing trees and plants ????b) (b) Herbivores ????c) (c) Carnivores ????d)(d) Bacteria
and other micro-organism
???????????? 59 ???? ????The desert among the f ollowing which is not a cold desert is: (Answer : D)
???????? ???????? ???????????? a) (a) Golbi desert ????b) (b) Patagonian desert ????c) (c) Atacama desert ????d)(d) Ma java desert
???????????? 60 ???? ????The darker zone in lakes where light penetr ation is negligible is called the: (Answer : D)
???????? ???????? ???????????? a) (a) Euphotic zone ????b) (b) Littor al zone ????c) (c) Limnetic zone ????d)(d) Benthic zone
???????????? 61 ???? ????The zone of a sea lying over the continental shelf is known as the: (Answer : B)
???????? ???????? ???????????? a) (a) Bathyl zone ????b) (b) Neritic zone ????c) (c) Abyssal zone ????d)(d) Littor al zone
???????????? 62 ???? ????Which one of the f ollowing is not a fresh water biome? (Answer : A)
???????? ???????? ???????????? a) (a) Lotic ????b) (b) Lentic ????c) (c) Spings ????d)(d) Deep sea
???????????? 63 ???? ????Tendency of pollutants to become concentr ated in successive trophic levels is known as: (Answer : A)
???????? ???????? ???????????? a) (a) Biomagnification ????b) (b) Biorhythm ????c) (c) Bioremediation ????d)(d) Biopir acy
???????????? 64 ???? ????Eutrophication is: (Answer : B)
???????? ???????? ???????????? a) (a) An improved water quality status of lakes ????b) (b) The result of accumulation of plant nutrients
in water bodies ????c) (c) A process in the carbon cycle ????d)(d) A water purification technique
???????????? 65 ???? ????Increase in f auna and decrease in flor a would be harmf ul due to increase in: (Answer : B)
???????? ???????? ???????????? a) (a) Diseases ????b) (b) CO ????c) (c) O2 ????d)(d) Radioactive pollution
???????????? 66 ???? ????The largest reservoir of nitrogen an our planet is: (Answer : B)
???????? ???????? ???????????? a) (a) Ocean ????b) (b) Atmosphere ????c) (c) Biosphere ????d)(d) Fossil f uels
???????????? 67 ???? ????Overgr azing results in: (Answer : A)
???????? ???????? ???????????? a) (a) Soil erosion ????b) (b) Retention of usef ul species ????c) (c) Productive soils ????d)(d) All of the
above
???????????? 68 ???? ????In the world, the economy of the India is: (Answer : D)
???????? ???????? ???????????? a) (a) Largest ????b) (b) Third largest ????c) (c) Second largest ????d)(d) Fourth largest
???????????? 69 ???? ????In services output, India is: (Answer : C)
???????? ???????? ???????????? a) 10 ????b) 12 ????c) 15 ????d)4
???????????? 70 ???? ?????Smog? is a mixture of (Answer : A)
???????? ???????? ???????????? a) a) Smoke and Fog ????b) (b) Snow and Fog ????c) ( c) Snow and Dust ????d)(d) Sulphur Dioxide and
Fog
???????????? 71 ???? ????A liquid f uel that was f ormed from the ancient remains of sea plants and animals is (Answer : B)
???????? ???????? ???????????? a) Natur al gasb ????b) Petroleumc ????c) Geothermal energyd ????d)Coal
???????????? 72 ???? ????A poisonous gas given out of vehicles exhaust is (Answer : A)
a) Carbon monoxideb ????b) Ethanec ????c) Methaned ????d)Carbon dioxide
???????????? 73 ???? ????A product of photosynthesis is (Answer : C)
???????? ???????? ???????????? a) Carbon dioxideb ????b) Waterc ????c) Oxygend ????d)Chlorophyll
???????????? 74 ???? ????Atmosphere consists of 79 percent Nitrogen and 21 percent Oxygen by (Answer : B)
???????? ???????? ???????????? a) Volumeb ????b) Weightc ????c) Densityd ????d)All of these
???????????? 75 ???? ????Biogas contains mainly (Answer : B)
???????? ???????? ???????????? a) Carbon dioxideb ????b) Methanec ????c) Butaned ????d)Propane
???????????? 76 ???? ????Carbon dioxide constitutes about 0.03% of the atmosphere (Answer : A)
???????? ???????? ???????????? a) By volume(b ????b) By weight(c ????c) By mass(d ????d)None of these
???????????? 77 ???? ????Development activities on the hydrosphere cause (Answer : C)
???????? ???????? ???????????? a) Air pollutionb ????b) Soil pollutionc ????c) Water pollutiond ????d)Soil erosion
???????????? 78 ???? ????Energy flow in an ecosystem is (Answer : C)
???????? ???????? ???????????? a) Bidirectionalb ????b) Unidirectionalc ????c) Multidirectionald ????d)All rounds
???????????? 79 ???? ????Energy from the heat inside the earth is (Answer : B)
???????? ???????? ???????????? a) a Natur al gas ????b) Geothermalc ????c) Petroleumd ????d)Terr athermal
???????????? 80 ???? ????Energy in the r ays from the sun is called (Answer : A)
???????? ???????? ???????????? a) Solar energyb ????b) Wind energyc ????c) Tidal energyd ????d)Water energy
???????????? 81 ???? ????Environment is the lif e support system that includes (Answer : D)
???????? ???????? ???????????? a) Airb ????b) Waterc ????c) Landd ????d)All of the above
???????????? 82 ???? ????Extensive planting of trees to increase cover is called (Answer : A)
???????? ???????? ???????????? a) Af f orestation(b ????b) Agrof orestation(c ????c) Def orestation(d ????d)Social f orestry
???????????? 83 ???? ????Extensive planting of trees to increase f orest cover is called (Answer : A)
???????? ???????? ???????????? a) Af f orestation, b ????b) Agrof orestry, c ????c) Def orestation, d ????d)Social f orestry
???????????? 84 ???? ????Forest and wild lif e are (Answer : A)
???????? ???????? ???????????? a) Renewable resource(b ????b) Non-renewable resources (c ????c) Inexhaustible resources (d ????d)None
of these
???????????? 85 ???? ????Forests prevent soil erosion by binding soil particles in their (Answer : B)
???????? ???????? ???????????? a) Leaves(b ????b) Roots(c ????c) Buds(d ????d)Stems
???????????? 86 ???? ????Formation of hole in Ozone is maximum over (Answer : C)
???????? ???????? ???????????? a) Indiab ????b) Europec ????c) Antarcticad ????d)Africa
???????????? 87 ???? ????Fossil f uel and metallic miner als are: (Answer : C)
???????? ???????? ???????????? a) Renewable resource (b ????b) Inexhaustible resources (c ????c) Non-renewable resources (d ????d)None
of these
???????????? 88 ???? ????Green house ef f ect is linked to (Answer : C)
???????? ???????? ???????????? a) Nitrogen oxidesb ????b) Sulphur dioxidesc ????c) Carbon dioxidesd ????d)Carbon monoxides
???????????? 89 ???? ????In our country the percentage of land under f orest is about: (Answer : B)
???????? ???????? ???????????? a) 20%(b ????b) 19%(c ????c) 25%(d ????d)30%
???????????? 90 ???? ????In respect of water crisis, there have been conflicts/disputes between two countries, or states of the
same country. Which of the f ollowing has never been the case of water conflict? (Answer : D)
???????? ???????? ???????????? a) Cauvery water dispute between Tamil Nadu and Karnataka (b ????b) Yamuna-Betwa dispute between
U.P. and M.P. (c ????c) Sutlej Yamuna Link (SYL ????d)canal dispute between Pun jab and Haryana (d
???????????? 91 ???? ????Instrumentation technology used to locate suitable places f or mining (Answer : C)
???????? ???????? ???????????? a) a) Microscope ????b) b) Salinometer ????c) c) GIS ????d)d) camer a tr ap
???????????? 92 ???? ????Kaveri water dispute is in between: (Answer : D)
???????? ???????? ???????????? a) India and Pakistan (b ????b) Pun jab and Haryana (c ????c) Uttar Pr adesh and Madhya Pr adesh (d
????d)Karnataka and Tamil Nadu
???????????? 93 ???? ????Khetri (Ra jasthan) is f amous f or: (Answer : B)
???????? ???????? ???????????? a) Coal mines(b ????b) Copper mines(c ????c) Gr anite stone(d ????d)Marble stone
???????????? 94 ???? ????Main source of acid r ain is (Answer : A)
???????? ???????? ???????????? a) Sulphur dioxideb ????b) Nitrogenc ????c) Carbon dioxided ????d)Carbon monoxide
???????????? 95 ???? ????Ma jor consumer of wood from f orest is ___________ (Answer : B)
???????? ???????? ???????????? a) Thermal Power Plant ????b) Paper Industry ????c) Chemistry Industry ????d)none
???????????? 96 ???? ????Moisture in the air is known as (Answer : D)
???????? ???????? ???????????? a) a) Water ????b) (b) Fog ????c) ( c) Snow ????d)(d) Humidity
???????????? 97 ???? ????Name the country which virtually closed cod fishery in the 1990?s due to depletion of fish reserves
(Answer : A)
???????? ???????? ???????????? a) a) Canada ????b) b) Argentina ????c) c) Italy ????d)d) India
???????????? 98 ???? ????Name the financial agency which hesistate to support the Sardar Sarovar Pro ject in India in 1993 a result
of the demands of local people threatened with the loss of their livelihoods and homes in the submergence area.
(Answer : B)
???????? ???????? ???????????? a) a) Swiss bank ????b) b) World Bank ????c) c) Bank of India ????d)d) International Monetary Fund
???????????? 99 ???? ????Nitrogen constitutes about 78% of the atmosphere (Answer : C)
???????? ???????? ???????????? a) By weight(b ????b) By mass(c ????c) By volume(d ????d)None of these
???????????? 100 ???? ????Noise is measured by sound meter and the unit is (Answer : C)
???????? ???????? ???????????? a) Hertzb ????b) Joulec ????c) Decibeld ????d)Seconds
???????????? 101 ???? ????One of India?s serious environmental problems is f orest degr adation. What is the main cause of f orest
degr adation? (Answer : A)
???????? ???????? ???????????? a) timber extr action ????b) honey extr action ????c) high altitude ????d)Low Rainf all
???????????? 102 ???? ????Ozone day is observed on (Answer : B)
???????? ???????? ???????????? a) 3rd Januaryb ????b) 16th Septemberc ????c) 10th Novemberd ????d)26th March
???????????? 103 ???? ????Ozone Umbrella is located in which layer of atmosphere (Answer : B)
???????? ???????? ???????????? a) a) Troposphere ????b) (b) Str atosphere ????c) (c) Mesosphere ????d)(d) Ionosphere
???????????? 104 ???? ????Peeling of Ozone umbrella, which protects us from UV r ays, is caused by (Answer : B)
???????? ???????? ???????????? a) Carbon monoxideb ????b) CFCsc ????c) Coal burningd ????d)Methane
???????????? 105 ???? ????Soil erosion removes surf ace soil which contains (Answer : A)
???????? ???????? ???????????? a) Organic matterb ????b) Plant nutrientsc ????c) Both a and bd ????d)none of the above
???????????? 106 ???? ????Sustainable development means (Answer : C)
???????? ???????? ???????????? a) a. meeting present needs without compromising on f uture needs ????b) b. progress of human beings
????c) c. balance between human needs and the ability of earth to provide the resources ????d)d. all of the above
???????????? 107 ???? ????The adverse ef f ect of modern agriculture is (Answer : B)
???????? ???????? ???????????? a) Water pollutionb ????b) Soil degr adationc ????c) Water loggingd ????d)All of the above
???????????? 108 ???? ????The f ossil f uel that is derived from the dead remains of plants that grew some 250 million years ago is
(Answer : C)
???????? ???????? ???????????? a) Petroleumb ????b) Natur al gasc ????c) Coald ????d)LPG
???????????? 109 ???? ????The impact of construction of dams (Answer : D)
???????? ???????? ???????????? a) Submerged f orest b ????b) Loss of wild lif e habitat c ????c) Damages downstream ecosystem d ????d)All
of the above
???????????? 110 ???? ????The ma jor cause f or land degr adation in our country is (Answer : A)
???????? ???????? ???????????? a) Soil erosion(b ????b) Pollution of soil(c ????c) Water-logging(d ????d)None of the above
???????????? 111 ???? ????The ma jor reason f or floods in the rivers Ganges and Br ahmaputr a is ________ (Answer : B)
???????? ???????? ???????????? a) a) Dams in Himalayas ????b) b) Def orestation in Himalayas ????c) c) Heavy r ains ????d)d) Melting of ice
???????????? 112 ???? ????The method of r ainwater harvesting which can be adopted by individual house owners is (Answer : D)
???????? ???????? ???????????? a) Construction of recharge trenches (b ????b) On channel stor age of water (c ????c) Creation of new
water bodies (d ????d)Roof-top r ainwater harvesting
???????????? 113 ???? ????The percentage of total world?s precipitation, which is lost to the atmosphere through evapor ation,
approximates to: (Answer : A)
???????? ???????? ???????????? a) 57%(b ????b) 7%(c ????c) 37%(d ????d)43%
???????????? 114 ???? ????The process of restoring f orests that once existed but was removed at some time in the past is known
as (Answer : B)
???????? ???????? ???????????? a) Af f orestationb ????b) Ref orestationc ????c) Def orestationd ????d)None of these
???????????? 115 ???? ????The share of Hydropower (Hydel pro jects) in worlds commercial electricity production is less than ________
(Answer : D)
???????? ???????? ???????????? a) 2.00% ????b) 4.00% ????c) 12.00% ????d)20.00%
???????????? 116 ???? ????The species restricted to be present in one region are called (Answer : B)
???????? ???????? ???????????? a) Edge speciesb ????b) Endemic species c ????c) Endangered species d ????d)Keystone species
???????????? 117 ???? ????The teeth are likely to be pitted, more susceptible to cavities and wear, when the fluoride concentr ation
is: (Answer : D)
???????? ???????? ???????????? a) More than 2 mg/1 (b ????b) More than 40 mg/1 (c ????c) More than 20 mg/1 (d ????d)More than 4 mg/1
???????????? 118 ???? ????The term ?Environment? has been derived from the French word which means to encircle or surround
(Answer : A)
???????? ???????? ???????????? a) Environb ????b) Oikosc ????c) Geod ????d)Aqua
???????????? 119 ???? ????Wetlands in the flood plains of rivers are also considered as nature?s ________ (Answer : C)
???????? ???????? ???????????? a) a) Heat sink ????b) b) carbon sink ????c) c) flood control systems ????d)d) swimming pool
???????????? 120 ???? ????What are rodenticides? (Answer : C)
???????? ???????? ???????????? a) that kill fishes ????b) that kill insects ????c) that kill r ats ????d)that kill crocos
???????????? 121 ???? ????What is Kyoto Protocol? (Answer : A)
???????? ???????? ???????????? a) a. It is an agreement among countries to take steps f or reducing global warming. ????b) b. It is an
agreement among countries to take steps f or reducing acid r ain. ????c) c. It is an agreement among countries to take steps
f or planting trees to control pollution. ????d)d. It is an agreement among countries to start using nuclear energy.
???????????? 122 ???? ????What is the ma jor limiting f actor in the arid areas of our country? (Answer : C)
???????? ???????? ???????????? a) a) Money ????b) b) f orests ????c) c) water ????d)d) soil
???????????? 123 ???? ????What kind of people are the most ill-af f ected by the construction of dams? (Answer : D)
???????? ???????? ???????????? a) a) Urban dwellers ????b) b) beach dwellers ????c) c) tourists ????d)d) tribal people
???????????? 124 ???? ????When fluoride concentr ation in H2O exceeds about 1.5 mg/1, the disease that may be caused, is
(Answer : B)
???????? ???????? ???????????? a) Dental caries in children(b ????b) Fluorosis(c ????c) Polymyelitis(d ????d)Methemoglobinemia
???????????? 125 ???? ????Which among the f ollowing is a sedimentary type of cycle? (Answer : A)
???????? ???????? ???????????? a) Sulphur cycle(b ????b) Nitrogen cycle(c ????c) Oxygen cycle(d ????d)Carbon cycle
???????????? 126 ???? ????Which gas is responsible f or ozone layer depletion around earth? (Answer : B)
???????? ???????? ???????????? a) Carbon dioxideb ????b) Chlorofluorocarbonsc ????c) Oxygend ????d)Nitrogen oxide
???????????? 127 ???? ????Which gas is responsible f or the global warming? (Answer : B)
???????? ???????? ???????????? a) Nitrogenb ????b) Carbon dioxidec ????c) Noble gasesd ????d)Hydrogen
???????????? 128 ???? ????Which is a list of renewable resources? (Answer : D)
???????? ???????? ???????????? a) Petroleum, geothermal, wind b ????b) Biomass, geothermal, hydropower c ????c) Natur al gas, wind,
biomass d ????d)Hydropower, solar, wind energy
???????????? 129 ???? ????Which is the only country who has not r atified the Kyoto Protocol yet? (Answer : A)
???????? ???????? ???????????? a) United States ????b) Austr alia ????c) Japan ????d)India
???????????? 130 ???? ????Which of below items is the ma jor sector which extr acts most of fresh water available f or utilization?
(Answer : D)
???????? ???????? ???????????? a) domestic use ????b) drinking water ????c) bever age industry ????d)agriculture
???????????? 131 ???? ????Which of the f ollowing are consequences of ozone depletion (Answer : A)
???????? ???????? ???????????? a) Skin cancer and catar actb ????b) Reduced growth in plants c ????c) Shortening of zooplanktons and
their breeding period d ????d)All of the above
???????????? 132 ???? ????Which of the f ollowing are ma jor environmental issues involved in mining? (Answer : D)
???????? ???????? ???????????? a) air pollutionb ????b) water pollutionc ????c) soil degr adationd ????d)all of the above
???????????? 133 ???? ????Which of the f ollowing ef f ect is responsible f or Global Warming? (Answer : A)
???????? ???????? ???????????? a) Green house ef f ectb ????b) Radioactive ef f ectc ????c) Solar ef f ectd ????d)Nuclear ef f ect
???????????? 134 ???? ????Which of the f ollowing is management option f or air pollution? (Answer : D)
???????? ???????? ???????????? a) Regulations and standardsb ????b) Tr ansport planningc ????c) Using CNG as f ueld ????d)All of these
???????????? 135 ???? ????Which of the f ollowing is not a method f or water conservation? (Answer : B)
???????? ???????? ???????????? a) Rainwater harvesting(b ????b) Groundwater extr action (c ????c) Improving irrigation ef ficiency (d
????d)Avoiding water wastage
???????????? 136 ???? ????Which of the f ollowing is not a viable protection against def orestation? (Answer : C)
???????? ???????? ???????????? a) Reduce the consumption of f orest and related products (b ????b) Boycott products of companies
involve in def orestation (c ????c) Privatisation of f orest land (d ????d)Environmental education
???????????? 137 ???? ????Which of the f ollowing is not influenced by human activities? (Answer : D)
???????? ???????? ???????????? a) Destruction of mangroves and wetlands b ????b) Depletion of ground water c ????c) Increased
extinction r ate of species d ????d)None of the above
???????????? 138 ???? ????Which of the f ollowing is not true about def orestation? (Answer : C)
???????? ???????? ???????????? a) Population explosion is one of the reasons f or def orestation (b ????b) Cleaning of f orest f or
agriculture causes def orestation. (c ????c) Def orestation is taking place only in developing courtiers. (d ????d)Cash crop
economy of third world is a cause of def orestation.
???????????? 139 ???? ????Which of the f ollowing is responsible f or desertification? (Answer : D)
???????? ???????? ???????????? a) Def orestation(b ????b) Mining(c ????c) Overgr azing(d ????d)All of the above
???????????? 140 ???? ????Which of the f ollowing statements about the f orest is not correct? (Answer : D)
???????? ???????? ???????????? a) Forest reduces soil erosion (b ????b) Provides recreational opportunities (c ????c) Provides economic
development (d ????d)None of the above
???????????? 141 ???? ????Which of these is not a f ossil f uel? (Answer : D)
???????? ???????? ???????????? a) Coalb ????b) Oilc ????c) Natur al gasd ????d)Ur anium
???????????? 142 ???? ????Which one of the f ollowing is not an ideal solution f or tackling water shortages? (Answer : D)
???????? ???????? ???????????? a) Controlling population growth (b ????b) Conserving water in irrigation (c ????c) Controlling water
pollution (d ????d)Drilling large number of deep bore wells
???????????? 143 ???? ????Which one of the f ollowing regions in India is a hotspot of biodiversity? (Answer : B)
???????? ???????? ???????????? a) Sundarbansb ????b) Western Ghatsc ????c) Eastern Ghatsd ????d)Gangetic plains
???????????? 144 ???? ????World environment day is on: (Answer : B)
???????? ???????? ???????????? a) 5th Mayb ????b) 5th Junec ????c) 18th Julyd ????d)16th August
???????????? 145 ???? ????World Forest day is celebr ated on (Answer : A)
???????? ???????? ???????????? a) 21st March b ????b) 5th June c ????c) 1st Dec d ????d)7th June
???????????? 146 ???? ????Yellowing of Ta j Mahal is an ef f ect of (Answer : A)
???????? ???????? ???????????? a) Acid r ainb ????b) Global warmingc ????c) Ozone depletiond ????d)All of the above
???????????? 147 ???? ????Green Revolution in India was initiated by __________ (Answer : A)
???????? ???????? ???????????? a) M.S. Swaminathan ????b) Sunderlal Bahuguna ????c) Kurien ????d)Medha Patkar
???????????? 148 ???? ????Who wrote the book Violence of Green Revolution (Answer : A)
???????? ???????? ???????????? a) Vandana Siva ????b) Sheela Dikshit ????c) Menaka Gandhi ????d)Arundhathi Roy.
???????????? 149 ???? ????World Forest day is celebr ated on (Answer : A)
???????? ???????? ???????????? a) 21st March ????b) 5th June ????c) 1st Dec ????d)7th June
???????????? 150 ???? ????The Chipko movement is started by (Answer : B)
???????? ???????? ???????????? a) Engler ????b) Sunderlal Bahuguna ????c) Medha Padkar ????d)None of these
???????????? 151 ???? ????Green revolution is associated with _________ (Answer : B)
???????? ???????? ???????????? a) sericulture ????b) Agriculture ????c) Fish culture ????d)silviculture
???????????? 152 ???? ????Which gas is likely to be reduced in the atmosphere by def orestation? (Answer : C)
???????? ???????? ???????????? a) Carbon dioxide ????b) Nitrogen ????c) Oxygen ????d)Sulphur dioxide
???????????? 153 ???? ????Extensive planting of trees to increase f orest cover is called (Answer : A)
???????? ???????? ???????????? a) Af f orestation ????b) Agrof orestry ????c) Def orestation ????d)Social f orestry
???????????? 154 ???? ????Soil erosion can be prevented by (Answer : B)
???????? ???????? ???????????? a) Def orestation ????b) Af f orestation ????c) Overgr azing ????d)Removal of vegetation
???????????? 155 ???? ????The components of LPG are _____________ (Answer : B)
???????? ???????? ???????????? a) Methane & Hexane ????b) Propane & Butane ????c) Ethane & Methane ????d)Propane & Ethane
???????????? 156 ???? ????Which of the f ollowing is the most responsible f or world water crisis? (Answer : C)
???????? ???????? ???????????? a) Dams ????b) Floods ????c) Drought ????d)Population growth
???????????? 157 ???? ????The resources that can be replaced by natur al ecological cycle is called (Answer : A)
???????? ???????? ???????????? a) Renewable ????b) Non-renewable ????c) exhaustible ????d)natur al
???????????? 158 ???? ????The amount of solar r adiation reaching the surf ace of the earth is called (Answer : A)
???????? ???????? ???????????? a) Solar flux ????b) reflected light ????c) miner als ????d)solvents
???????????? 159 ???? ????The most harmf ul of ultr aviolet r adiations are (Answer : A)
???????? ???????? ???????????? a) UV-C ????b) UV-B ????c) UV-A ????d)All the above
???????????? 160 ???? ????A renewable source of energy is (Answer : D)
???????? ???????? ???????????? a) Petroleum ????b) Coal ????c) Nuclear f uel ????d)Trees
???????????? 161 ???? ????The capacity to do work is termed as (Answer : D)
???????? ???????? ???????????? a) Power ????b) Force ????c) Strength ????d)Energy
???????????? 162 ???? ????The unit of total water content of the soil is known as (Answer : A)
???????? ???????? ???????????? a) Holard ????b) Chr aserd ????c) Echard ????d)All of the above
???????????? 163 ???? ????Pedology? (Answer : C)
???????? ???????? ???????????? a) Study of water ????b) Study of air ????c) Study of soil ????d)none
???????????? 164 ???? ????What is def orestation? (Answer : B)
???????? ???????? ???????????? a) Product of f orest ????b) Destruction of f orest ????c) Forest Protection ????d)none
???????????? 165 ???? ????Def orestation gener ally decreases (Answer : D)
???????? ???????? ???????????? a) Global Warming ????b) Drought ????c) Soil erosion ????d)Rainf all
???????????? 166 ???? ????Which among the f ollowing result in the f ormation of soil? (Answer : B)
???????? ???????? ???????????? a) Radiation ????b) Weathering ????c) Erosion ????d)Pollution
???????????? 167 ???? ????Mulching helps in (Answer : B)
???????? ???????? ???????????? a) soil f ertility ????b) moisture conservation ????c) improvements soil structure ????d)soil sterility
???????????? 168 ???? ????........................ is an example of ?bottom f eeders?. (Answer : A)
???????? ???????? ???????????? a) Cat fish ????b) Frog ????c) Snake ????d)Tadpole ????e)
???????????? 169 ???? ????..................... trees shed their leaves during winter and hot summer. (Answer : C)
???????? ???????? ???????????? a) (a) ever green ????b) b) conif erous ????c) c) deciduous ????d)d) Shola
???????????? 170 ???? ????...................... is a cold desert in India (Answer : B)
???????? ???????? ???????????? a) Thar ????b) Ladakh ????c) Ran of Kutch ????d)Bhopal
???????????? 171 ???? ????A lake ecosystem f unctions as a (Answer : A)
???????? ???????? ???????????? a) Ter ai ????b) Shola gr asslands ????c) Semi arid plains ????d)Himalayan pastures
???????????? 172 ???? ????An example of nitrogen fixing bacteria in the soil (Answer : C)
???????? ???????? ???????????? a) Rhizobium ????b) Nostoc ????c) Azotobacter ????d)Nitrobacter
???????????? 173 ???? ????An example of one way ecological cycle is (Answer : C)
???????? ???????? ???????????? a) carbon dioxide cycle ????b) water cycle ????c) energy cycle ????d)oxygen cycle
???????????? 174 ???? ????Br ackish water ecosystems in river deltas are among (Answer : B)
???????? ???????? ???????????? a) Least productive ecosystems ????b) Most productive in terms of biomass production ????c) c)
Unproductive d) Stagnant ecosystems ????d)
???????????? 175 ???? ????Ecology is (Answer : C)
???????? ???????? ???????????? a) The science that studies the evolution of lif e, ????b) b) Integr ates both social and natur al sciences to
help us understand how the earth works, ????c) c) The study of the relationships between organisms and their
environment ????d)d) The study of the environment in the absence of humans
???????????? 176 ???? ????Forests grow in high r ain f all areas are (Answer : A)
???????? ???????? ???????????? a) (a) ever green f orests ????b) b) temper ate f orests ????c) c) conif ers ????d)d) Tundr a
???????????? 177 ???? ????Fungi is a (Answer : D)
???????? ???????? ???????????? a) Macroconsumer ????b) Producer ????c) Carnivore d ????d)Microconsumer
???????????? 178 ???? ????Nitrogen fixing blue green alga (Answer : C)
???????? ???????? ???????????? a) Clostridium ????b) Rhizobium ????c) Nostoc ????d)Nitrosomonas
???????????? 179 ???? ????Nitrogen gas returns to the atmosphere by the action of (Answer : B)
???????? ???????? ???????????? a) Nitrogen fixing bacteria ????b) Denitrif ying bacteria ????c) Nitrif ying bacteria ????d)Nitr ate f ertilizers
???????????? 180 ???? ????Patches of tall gr asslands interspersed with Sal f orest ecosystem is (Answer : A)
???????? ???????? ???????????? a) ????b) ????c) ????d)
???????????? 181 ???? ????Ramsar Convention ref ers to the conservation of ____________ (Answer : B)
???????? ???????? ???????????? a) (a) Deserts ????b) b) Wetlands ????c) c) Agriculture lands, ????d)d) Forest land
???????????? 182 ???? ????Some species whose removal can af f ect the survival of an ecosystem are called (Answer : B)
???????? ???????? ???????????? a) ????b) b) Keystone species ????c) c) Producers ????d)d) Carnivores
???????????? 183 ???? ????Sunderbans is home to (Answer : B)
???????? ???????? ???????????? a) Giant permanent pond ????b) Tempor ary aquatic system ????c) Simplest aquatic ecosystem ????d)Water
tank
???????????? 184 ???? ????The conversion of ammonia to nitr ate is known as ________ (Answer : B)
???????? ???????? ???????????? a) (a) ammonification ????b) b) nitrification ????c) c) denitrification ????d)d) all of these
???????????? 185 ???? ????The f orests which occur in law r ain f all area is (Answer : B)
???????? ???????? ???????????? a) (a) Evergreen f orests ????b) b) deciduous f orests ????c) c) Conif erous f orest ????d)d) All the above.
???????????? 186 ???? ????The inherent ability of organisms to reproduce and multiply is called, (Answer : B)
???????? ???????? ???????????? a) C value ????b) b) biotic potential ????c) c) carrying capacity ????d)d) K value
???????????? 187 ???? ????The largest br ackish water lake situated in Asia is in Orissa. Which is the lake? (Answer : A)
???????? ???????? ???????????? a) (a) Chilka lake ????b) b) Vembanad lake ????c) c) Woolar lake ????d)d) Dal lake
???????????? 188 ???? ????The Little Rann of Kutch is home to (Answer : D)
???????? ???????? ???????????? a) Horse ????b) b) Great Indian Bustard ????c) c) Lion ????d)d) Wild Ass
???????????? 189 ???? ????The presence of which is necessary f or photosynthesis (Answer : B)
???????? ???????? ???????????? a) (a) Chlorof orm ????b) b) Chlorophyll ????c) c) Phosphorus ????d)d) Polymer
???????????? 190 ???? ????The process through which ecosystems tend to change after a period of time is called (Answer : A)
???????? ???????? ???????????? a) ????b) ????c) ????d)
???????????? 191 ???? ????The species that flower are called (Answer : C)
???????? ???????? ???????????? a) (a) gymnosperms ????b) b) bryophytes ????c) c) angiosperms ????d)d) algae
???????????? 192 ???? ????The term ?Eco? implies (Answer : A)
???????? ???????? ???????????? a) Environment ????b) Ecotone ????c) Ecotourism ????d)Soil
???????????? 193 ???? ????The term ?Ecology? was coined by (Answer : B)
???????? ???????? ???????????? a) A.G.Tansley ????b) Earnst Haeckel ????c) Aristotle ????d)Linnaeus
???????????? 194 ???? ????The word Biophilia was coined by (Answer : D)
???????? ???????? ???????????? a) Dr. Hackel ????b) Dr.Johanssen ????c) Dr. Ben jamine ????d)E. O. Wilson
???????????? 195 ???? ????What is Dendrology? (Answer : C)
???????? ???????? ???????????? a) Study of Plants ????b) Study of Butterflies ????c) Study of Trees ????d)None of these
???????????? 196 ???? ????What is edge species? (Answer : A)
???????? ???????? ???????????? a) The species which occur abundantly in the ecotone ????b) b) Species on the verge of extinction ????c)
c) Rare species ????d)d) Endemic species
???????????? 197 ???? ????What is symbiosis? (Answer : C)
???????? ???????? ???????????? a) Study of distribution of related species ????b) b) Association between members of same species
????c) c) Association between members of two species ????d)d) None
???????????? 198 ???? ????When number of f ood chains is interlocked this is called (Answer : C)
???????? ???????? ???????????? a) f ood link ????b) f ood chain ????c) f ood web ????d)pyr amid
???????????? 199 ???? ????Which is an example f or sedimentary biogeochemical cycle (Answer : D)
???????? ???????? ???????????? a) Oxygen cycle ????b) Nitrogen cycle ????c) Water cycle ????d)Phosphorus cycle
???????????? 200 ???? ????Which is the second largest in species richness? (Answer : C)
???????? ???????? ???????????? a) Desert ????b) b) Tundr a ????c) c) Cor al reefs ????d)d) Flowing water
???????????? 201 ???? ????Gr assland of USA is ref erred to as (Answer : A)
???????? ???????? ???????????? a) Pr airies ????b) Steppes ????c) Pampas ????d)Veldts
???????????? 202 ???? ????The complex network of interconnected f ood chains is called ___________ (Answer : B)
???????? ???????? ???????????? a) Trophic level ????b) Food web ????c) Ecological pyr amid ????d)Ecology chain
???????????? 203 ???? ????The animal which consumes decaying organic matter is _________ (Answer : B)
???????? ???????? ???????????? a) Carnivore ????b) Detritivore ????c) Herbivore ????d)Producers
???????????? 204 ???? ????An ecosystem gr adually merges with an adjoining one through a tr ansitional zone is called the
______________ (Answer : C)
???????? ???????? ???????????? a) Ecological niche ????b) ecological f ootprint ????c) ecotone ????d)Shore ef f ect
???????????? 205 ???? ????The Primary Consumers are also called as (Answer : A)
???????? ???????? ???????????? a) Herbivores ????b) Carnivores ????c) Enzymes ????d)None of these
???????????? 206 ???? ????The f orests which occur in law r ain f all area is called (Answer : B)
???????? ???????? ???????????? a) Evergreen f orests ????b) deciduous f orests ????c) Conif erous f orest ????d)All the above
???????????? 207 ???? ????Favor able morphological and physiological response to a change in environment is called (Answer : D)
???????? ???????? ???????????? a) Preadaptation ????b) Ecotyping ????c) Formation of ecophenes ????d)Acclimatization
???????????? 208 ???? ????Plants adapted to open, sunny habitats are (Answer : B)
???????? ???????? ???????????? a) Sciophytes ????b) Heliophytes ????c) Mesophytes ????d)Epiphytes
???????????? 209 ???? ????Temper ate f orests occur in India in (Answer : B)
???????? ???????? ???????????? a) Indo-gangetic plains ????b) Himalayas ????c) Eastern India ????d)Southern peninsula
???????????? 210 ???? ????In India, tropical evergreen f orests occur in (Answer : C)
???????? ???????? ???????????? a) Himachal Pr adesh ????b) Madhya Pr adesh ????c) Assam ????d)Tamil Nadu
???????????? 211 ???? ????Which one is natures cleaner? (Answer : C)
???????? ???????? ???????????? a) Consumers ????b) Producers ????c) Decomposers and Scavengers ????d)Symbionts
???????????? 212 ???? ????The relationship between nitrogen fixing bacteria and leguminous plants is an example f or (Answer : C)
???????? ???????? ???????????? a) Par asitism ????b) Predation ????c) Mutualism ????d)Symbiosis
???????????? 213 ???? ????______ trees shed their leaves during winter and hot summer. (Answer : C)
???????? ???????? ???????????? a) Ever green ????b) Conif erous ????c) Deciduous ????d)Shola
???????????? 214 ???? ????Thorn f orests are f ound in the_______ regions (Answer : A)
???????? ???????? ???????????? a) Semi-arid ????b) High r ain f all areas ????c) Low temper ature ????d)Frozen areas
???????????? 215 ???? ????________ is a cold desert in India (Answer : B)
???????? ???????? ???????????? a) Thar ????b) Ladakh ????c) Ran of Kutch ????d)Bhopal
???????????? 216 ???? ????______ is an example of bottom f eeders (Answer : A)
???????? ???????? ???????????? a) Cat fish ????b) Frog ????c) Snake ????d)Tadpole
???????????? 217 ???? ????A Hawk that eats a frog is a (Answer : D)
???????? ???????? ???????????? a) Producer ????b) Primary Consumer ????c) Secondary Consumer ????d)Tertiary Consumer
???????????? 218 ???? ????An example of lotic system (Answer : B)
???????? ???????? ???????????? a) Pond ????b) River ????c) Lake ????d)Reservoir
???????????? 219 ???? ????Complex interlinked f ood chains are called (Answer : A)
???????? ???????? ???????????? a) Food Web ????b) Food net work ????c) Trophic levels ????d)Food pyr amid
???????????? 220 ???? ????Lotic ecosystem ref ers to (Answer : B)
???????? ???????? ???????????? a) Static water system ????b) Ecosystem of flowing water ????c) Ecosystem of estuaries ????d)Deep
marine water system
???????????? 221 ???? ????Autotrophs are ______________ (Answer : D)
???????? ???????? ???????????? a) Consumers ????b) Herbivores ????c) Saprophytes ????d)Producers
???????????? 222 ???? ????Organisms which depened on Producers f or nutrition are called (Answer : C)
???????? ???????? ???????????? a) Autotrophs ????b) Saprophytes ????c) Consumers ????d)Xerophytes
???????????? 223 ???? ????The source of atmospheric oxygen is (Answer : B)
???????? ???????? ???????????? a) Nitrogen cycle ????b) Green Plants ????c) Water ????d)Carbon Cycle
???????????? 224 ???? ????Plants which grow in shade are called (Answer : A)
???????? ???????? ???????????? a) Sciophytes ????b) Heliophytes ????c) Oxylophytes ????d)Epiphytes
???????????? 225 ???? ????Photosynthesis is f ound in (Answer : A)
???????? ???????? ???????????? a) Producers ????b) Decomposers ????c) Consumers ????d)Scavengers
???????????? 226 ???? ????Phytoplankton are (Answer : B)
???????? ???????? ???????????? a) Producers of f orest ????b) Producers of lakes ????c) Consumers of Ocean ????d)Omnivores
???????????? 227 ???? ????Gas released during photosynthesis is (Answer : C)
???????? ???????? ???????????? a) Methane ????b) Nitrogen ????c) Oxygen ????d)Carbon dioxide
???????????? 228 ???? ????The ma jor reservoir of carbon is (Answer : B)
???????? ???????? ???????????? a) The atmosphere ????b) Ocean Bed ????c) Plant and animals ????d)Rock
???????????? 229 ???? ????The simplest aquatic ecosystem can be seen in a (Answer : C)
???????? ???????? ???????????? a) River ????b) Lake ????c) Pond ????d)Water Tank
???????????? 230 ???? ????What is hibernation and aestivation? (Answer : A)
???????? ???????? ???????????? a) Thermal adaptation shown by animals ????b) wind adaptation shown by animals ????c) adaptation of
animals to escape from predators ????d)None
???????????? 231 ???? ????What is lentic habitat ? (Answer : B)
???????? ???????? ???????????? a) Running water habitat ????b) Standing or still water habitat ????c) Marine habitat ????d)None
???????????? 232 ???? ????What is lotic habitat? (Answer : C)
???????? ???????? ???????????? a) Standing or still water habitat ????b) Marine habitat ????c) Running water habitat ????d)Stagnant water
???????????? 233 ???? ????What is Plankton? (Answer : A)
???????? ???????? ???????????? a) Microscopic floating organisms ? Plants and animals. ????b) bottom dwelling aquatic organisms ????c)
Large plants in water ????d)None
???????????? 234 ???? ????What is Canopy? (Answer : A)
???????? ???????? ???????????? a) Uppermost level of the f orest ????b) Ground level of the f orest ????c) Soil in f orest ????d)Climbers on
trees
???????????? 235 ???? ????North American gr assland are called (Answer : B)
???????? ???????? ???????????? a) Pampas ????b) Pr airies ????c) Savannah ????d)None
???????????? 236 ???? ????African gr asslands are called (Answer : C)
???????? ???????? ???????????? a) Pr airies ????b) Pampas ????c) Savannah ????d)None
???????????? 237 ???? ????Green plants are absent in deep sea. Why? (Answer : A)
???????? ???????? ???????????? a) Light is absent ????b) High pressure ????c) low temper ature ????d)Great depth
???????????? 238 ???? ????What is desertification? (Answer : D)
???????? ???????? ???????????? a) Conversion of f orests into desert ????b) Conversion of croplands into desert ????c) Conversion of
gr assland into desert ????d)all of the above
???????????? 239 ???? ????The first trophic level in a f ood chain (Answer : A)
???????? ???????? ???????????? a) Green Plants ????b) Herbivores ????c) Carnivores ????d)Bacteria
???????????? 240 ???? ????Sulphur bacteria are examples of (Answer : D)
???????? ???????? ???????????? a) Carnivores ????b) Heterotrophs ????c) Saprophytes ????d)Autotrophs
???????????? 241 ???? ????Green Land biome (Answer : B)
???????? ???????? ???????????? a) Tundr a ????b) Pampas ????c) Taiga ????d)Thaar.
???????????? 242 ???? ????What is deep ecology? (Answer : A)
???????? ???????? ???????????? a) Protecting nature f or its own sake ????b) Ecology of deep sea ????c) Ecology of f orest ????d)Ecology of
caves
???????????? 243 ???? ????Cor al reefs in India can be seen in (Answer : B)
???????? ???????? ???????????? a) Himalayan region ????b) Andaman and Nicobar Islands ????c) Uttarpr adesh ????d)Mahar ashtr a
???????????? 244 ???? ????____________ is one of the most endangered species of Indian birds (Answer : D)
???????? ???????? ???????????? a) Bee eater ????b) Par adise fly catcher ????c) Owl ????d)The great Indian bustard
???????????? 245 ???? ????................. species is known as Azadir achta Indica (Answer : A)
???????? ???????? ???????????? a) Neem ????b) Mango ????c) Jackfruit ????d)Banana
???????????? 246 ???? ????.................... is a marine tortoise which shows the unique phenomenon ?arribada? (Answer : A)
???????? ???????? ???????????? a) Olive Ridley ????b) Star T ortoise ????c) Tr avancore T ortoise ????d)b & c
???????????? 247 ???? ????.................... tree is known as ?flame of the f orest?? (Answer : B)
???????? ???????? ???????????? a) Zizyphus ????b) Butea monosperma ????c) Jackfruit ????d)Pongamea
???????????? 248 ???? ????All are insitu conservation ef f orts except (Answer : C)
???????? ???????? ???????????? a) National parks ????b) Sanctuaries ????c) Zoo ????d)
???????????? 249 ???? ????Approximately, 50% of total world species are present on (Answer : A)
???????? ???????? ???????????? a) tropical r ain f orest ????b) temper ate r ain f orest ????c) temper ate deciduous f orest d ????d)cor al reefs
???????????? 250 ???? ????Bears are usually hunted and killed f or their (Answer : B)
???????? ???????? ???????????? a) Teeth ????b) Skin ????c) Gall bladder ????d)Nails
???????????? 251 ???? ????Biodiversity (Answer : A)
???????? ???????? ???????????? a) increases towards the equator ????b) decreases towards the equator ????c) remains same throughout
the planet d ????d)has no ef f ect on change in latitude
???????????? 252 ???? ????Black Buck is a (Answer : B)
???????? ???????? ???????????? a) Goat ????b) Deer ????c) Butterfly ????d)Bird
???????????? 253 ???? ????Blue whale is placed under (Answer : A)
???????? ???????? ???????????? a) endangered ????b) critically endangered ????c) r are ????d)d) extinct
???????????? 254 ???? ????Conservation within the natur al habitat is (Answer : A)
???????? ???????? ???????????? a) insitu conservation ????b) exsitu conservation ????c) invivo conservation ????d)d) exvivo conservation
???????????? 255 ???? ????Cor al reefs in India can be seen in (Answer : B)
???????? ???????? ???????????? a) Himalayan region ????b) Andaman and Nicobar Islands ????c) Uttarpr adesh ????d)Mahar ashtr a
???????????? 256 ???? ????Dodo is (Answer : D)
???????? ???????? ???????????? a) endangered ????b) b) critically endangered ????c) c) r are ????d)d) extinct
???????????? 257 ???? ????Endemic species are (Answer : B)
???????? ???????? ???????????? a) r are species ????b) b) species localised in a specific region ????c) c) cosmopolitan in distribution d)
critically endangered species ????d)
???????????? 258 ???? ????Ex situ conservation includes (Answer : D)
???????? ???????? ???????????? a) Zoo ????b) Botanic garden ????c) c) Germplasm bank ????d)d) all of the above
???????????? 259 ???? ????Gharial is a (Answer : A)
???????? ???????? ???????????? a) Crocodile ????b) b) Cobr a ????c) c) T ortoise ????d)d) Frog
???????????? 260 ???? ????Herpetology is a br anch of Science which deals with (Answer : C)
???????? ???????? ???????????? a) Aves ????b) Mammals ????c) Reptiles ????d)Fishes
???????????? 261 ???? ????Hot spots are regions of high (Answer : B)
???????? ???????? ???????????? a) r arity ????b) b) endemism ????c) c) critically endangered population d) diversity ????d)d) diversity
???????????? 262 ???? ????India is primary centre of domestication of (Answer : D)
???????? ???????? ???????????? a) Sheep ????b) Goat ????c) Water Buf f alo ????d)Elephants
???????????? 263 ???? ????IUCN (The International Union For Conservation Of Nature And Natur al Resources) headquarters is at
(Answer : A)
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???????????? 12 ???? ????World Environment Day (Answer : A)
???????? ???????? ???????????? a) 5th June ????b) 5th July ????c) 5th August ????d)5th September
???????????? 13 ???? ????The biggest award f or environmental activities in India is given in the name of an individual. In whose
name is it constituted? (Answer : C)
???????? ???????? ???????????? a) Lal Bahadur Shasthri ????b) Mor ar ji Desai ????c) Indir a Gandhi ????d)Kamar a j.
???????????? 14 ???? ????All f orms of water that comes down on Earth, including r ain, snow, hail etc. is known as _____________
(Answer : C)
???????? ???????? ???????????? a) Calcification ????b) Fixation ????c) Precipitation ????d)Accumulation
???????????? 15 ???? ????The ocean covers ________ percentage of Earth?s surf ace. (Answer : C)
???????? ???????? ???????????? a) 515 ????b) 0.61 ????c) 0.71 ????d)0.91
???????????? 16 ???? ????The portion of the earth and its environment which can support lif e is known as _________ (Answer : B)
???????? ???????? ???????????? a) Crust ????b) Biosphere ????c) Exosphere ????d)Atmosphere
???????????? 17 ???? ????What is troposphere? (Answer : C)
???????? ???????? ???????????? a) Portion of air ????b) Portion of water ????c) Lowest layer of atmosphere where we survive
????d)Portion of sky
???????????? 18 ???? ????The main energy source f or the environment is ________ (Answer : A)
???????? ???????? ???????????? a) Solar energy ????b) Chemical energy ????c) Bioelectric energy ????d)Electrical energy
???????????? 19 ???? ????What is UNCED? (Answer : C)
???????? ???????? ???????????? a) United Nations Conf erence on Education ????b) United Nations Conf erence on Environmental Day
????c) United Nations Conf erence on Environment and Development ????d)None of these.
???????????? 20 ???? ????Atmospheric humidity is measured by (Answer : C)
???????? ???????? ???????????? a) Auxanometer ????b) Photometer ????c) Hygrometer ????d)None
???????????? 21 ???? ????The area to which a species is biologically adapted to live is known (Answer : B)
???????? ???????? ???????????? a) Niche ????b) Habitat ????c) Succession ????d)Community
???????????? 22 ???? ????Study of inter-relationship between organisms and their environment is called (Answer : A)
???????? ???????? ???????????? a) Ecology ????b) Ecosystem ????c) Phytogeogr aphy ????d)Ethology
???????????? 23 ???? ????The term Ecology was coined by (Answer : B)
???????? ???????? ???????????? a) A.G.Tansley ????b) Earnst Haeckel ????c) Aristotle ????d)Linnaeus
???????????? 24 ???? ????An example of an abiotic component (Answer : B)
???????? ???????? ???????????? a) Plants ????b) Soil ????c) Animals ????d)Bacteria
???????????? 25 ???? ????The area to which a species is biologically adapted to live is known (Answer : B)
???????? ???????? ???????????? a) Niche ????b) Habitat ????c) Succession ????d)Community
???????????? 26 ???? ????The objective of environmental education is (Answer : D)
???????? ???????? ???????????? a) Raise consciousness about environmental education ????b) T o teach environmentally appropriate
behaviour ????c) Create an environmental ethic that f osters awareness about ecological inter-dependence of economics,
social and political ????d)All of the above
???????????? 27 ???? ????Which of the f ollowing is not influenced by human activities? (Answer : A)
???????? ???????? ???????????? a) Depletion of ground water ????b) Destruction of mangroves and wetlands ????c) Increased extinction
r ate of species ????d)None of the above
???????????? 28 ???? ????Environmental education is important only at (Answer : D)
???????? ???????? ???????????? a) Primary school stage ????b) Secondary school stage ????c) Collage stage ????d)All stages
???????????? 29 ???? ????Which of the f ollowing conceptual components of the environment are ef f ective tr ansporters of
matter? (Answer : A)
???????? ???????? ???????????? a) Atmosphere and hydrosphere ????b) (b) Atmosphere and lithosphere ????c) (c) Hydrosphere and
lithosphere ????d)(d) Lithosphere and biosphere
???????????? 30 ???? ????Biosphere is (Answer : B)
???????? ???????? ???????????? a) (a) The solid shell of inorganic materials on the surf ace of the Earth ????b) (b) The thin shell of
organic matter on the surf ace of earth comprising of all the living things ????c) (c) The sphere which occupies the
maximum volume of all the spheres ????d)(d) All of the above
???????????? 31 ???? ????Which of the f ollowing conceptual sphere of the environment is having the least stor age capacity f or
matter? (Answer : A)
???????? ???????? ???????????? a) (a) Atmosphere ????b) (b) Lithosphere ????c) (c) Hydrosphere ????d)(d) Biosphere
???????????? 32 ???? ????Which of the f ollowing is an example of impact of development activities on the Hydrosphere? (Answer
: D)
???????? ???????? ???????????? a) (a) Air pollution ????b) (b) Soil pollution ????c) (c) Soil erosion ????d)(d) Water pollution
???????????? 33 ???? ????Weather occurs in the Earths: (Answer : A)
???????? ???????? ???????????? a) (a) Troposhere ????b) (b) Mesophere ????c) (c) Ionosphere ????d)(d) Thermosphere
???????????? 34 ???? ????Biosphere is a term used to represent the: (Answer : C)
???????? ???????? ???????????? a) (a) Entire atmosphere consisting of troposphere, str atosphere, mesosphere, and thermosphere
????b) (b) Entire hydrosphere-representing the entire collection of water over the Earth as well as inside the Earth ????c) (c)
A small zone of Earth, where the lithosphere, hydrosphere, and atmosphere come in contact with one another ????d)(d)
Entire lithosphere-representing the solid Earth and its interior
???????????? 35 ???? ????The term ecology was introduced by: (Answer : A)
???????? ???????? ???????????? a) (a) Haeckel ????b) (b) Odum ????c) (c) Tansely ????d)(d) Ramdeo Mishr a
???????????? 36 ???? ????The study of inter actions between living and non-living organisms and environment is called (Answer :
B)
???????? ???????? ???????????? a) (a) Ecosystem ????b) (b) Ecology ????c) (c) Phyto-geogr aphy ????d)(d) Phytosociology
???????????? 37 ???? ????An ecosystem consist of (Answer : D)
???????? ???????? ???????????? a) (a) Green plants and animals ????b) (b) Green plants and decomposers ????c) (c) Producers and
consumers ????d)(d) Green plants, animals, decomposers and abiotic environment
???????????? 38 ???? ????The environment which has been modified by human activities is called (Answer : B)
???????? ???????? ???????????? a) (a) Natur al environment ????b) (b) Anthropogenic environment ????c) (c) Modem environment ????d)(d)
Urban environment
???????????? 39 ???? ????Which of the f ollowing statements is not true? (Answer : C)
???????? ???????? ???????????? a) (a) Inorganic nutrients are recycled in an ecosystem ????b) (b) Energy flows through the ecosystem
in the f orm of C-C bonds ????c) (c) Energy is recycled in an ecosystem ????d)(d) Respir ation process releases energy
???????????? 40 ???? ????Driving f orce in an ecosystem is (Answer : C)
???????? ???????? ???????????? a) (a) Plants ????b) (b) Producers ????c) (c) Solar energy ????d)(d) Biomass energy
???????????? 41 ???? ????Physical and chemical components of an ecosystem constitute (Answer : C)
???????? ???????? ???????????? a) (a) Biotic structure ????b) (b) Abioltic structure ????c) (c) Both of these ????d)(d) None of these
???????????? 42 ???? ????Which one of the f ollowing is an abiotic component of the ecosystem? (Answer : C)
???????? ???????? ???????????? a) (a) Bacteria ????b) (b) Plants ????c) (c) Humus ????d)(d) Fungi
???????????? 43 ???? ????Which of the f ollowing is a possible producer in an ecosystem? (Answer : A)
???????? ???????? ???????????? a) (a) Plants ????b) (b) Animals ????c) (c) Human beings ????d)(d) Fish
???????????? 44 ???? ????The organisms which f eed on dead organisms and excreta of living organisms are known (Answer : A)
???????? ???????? ???????????? a) (a) Decomposers ????b) (b) Consumers ????c) (c) Producers ????d)(d) Carnivores
???????????? 45 ???? ????A trophic level ref ers to: (Answer : C)
???????? ???????? ???????????? a) (a) Area in the tropics ????b) (b) An organism?s portion in a f ood chain ????c) (c) An organism?s
position in an ecosystem ????d)(d) An organism?s position in a biome
???????????? 46 ???? ????In a f ood chain animals constitute the: (Answer : C)
???????? ???????? ???????????? a) (a) First trophic level ????b) (b) Second trophic level ????c) (c) Intermediate trophic level ????d)(d)
Ultimate trophic level
???????????? 47 ???? ????The f ood chain in which microorganisms breakdown dead producers is called: (Answer : D)
???????? ???????? ???????????? a) (a) Consumer f ood chain ????b) (b) Predator f ood chain ????c) (c) Par asitic f ood chain ????d)(d) Detritus
f ood chain
???????????? 48 ???? ????Food chain starts with (Answer : A)
???????? ???????? ???????????? a) (a) Producer ????b) (b) Herbivores ????c) (c) Carnivores ????d)(d) Omnivores
???????????? 49 ???? ????In a f ood chain, humans are (Answer : D)
???????? ???????? ???????????? a) (a) Secondary consumers ????b) (b) Primary consumer ????c) (c) Producers ????d)(d) Primary and
secondary consumers both
???????????? 50 ???? ????Which one is the correct f ood chain? (Answer : A)
???????? ???????? ???????????? a) (a) Phytoplankton ?? Zooplankton ?? Fish ????b) (b) Zooplankton ?? Phytoplankton ?? Fish ????c)
(c) Zooplankton ?? Protozoans ?? Fish ????d)(d) Gr ass ?? Fish ?? Zooplankton
???????????? 51 ???? ????A f ood web consists of (Answer : A)
???????? ???????? ???????????? a) (a) Interlocking f ood chains ????b) (b) Producers, consumers and decomposers ????c) (c) A portion of
a f ood chain ????d)(d) A set of similar consumers
???????????? 52 ???? ????Food webs are (Answer : C)
???????? ???????? ???????????? a) (a) One kind of f ood ????b) (b) Not related to f ood chains at all ????c) (c) Inter-connected arr angement
of f ood chains ????d)(d) Linear arr angement of f ood chains
???????????? 53 ???? ????Pyr amid of number is given by (Answer : C)
???????? ???????? ???????????? a) (a) Haeckel ????b) (b) Odum ????c) (c) Elton ????d)(d) Tansely
???????????? 54 ???? ????Which ecological pyr amid is always upright? (Answer : C)
???????? ???????? ???????????? a) (a) Pyr amid of number ????b) (b) Pyr amid of biomass ????c) (c) Pyr amid of energy ????d)(d) Pyr amid of
number and biomass
???????????? 55 ???? ????An ecological pyr amid ref ers to the (Answer : D)
???????? ???????? ???????????? a) (a) Pyr amid of energy ????b) (b) Pyr amid of number ????c) (c) Pyr amid of biomass ????d)(d) All of the
above
???????????? 56 ???? ????An ecosystem may not undergo changes because: (Answer : A)
???????? ???????? ???????????? a) (a) It is in a state of homeostasis ????b) (b) It has plants and animals both ????c) (c) It gets solar
energy continuously ????d)(d) The decomposers are present in it
???????????? 57 ???? ????Energy flow in an ecosystem is always: (Answer : A)
???????? ???????? ???????????? a) (a) Unidirectional ????b) (b) Cyclic ????c) (c) Reversible ????d)(d) Multi-directional
???????????? 58 ???? ????The primary producers in a f orest ecosystem are: (Answer : A)
???????? ???????? ???????????? a) (a) Chlorophyll containing trees and plants ????b) (b) Herbivores ????c) (c) Carnivores ????d)(d) Bacteria
and other micro-organism
???????????? 59 ???? ????The desert among the f ollowing which is not a cold desert is: (Answer : D)
???????? ???????? ???????????? a) (a) Golbi desert ????b) (b) Patagonian desert ????c) (c) Atacama desert ????d)(d) Ma java desert
???????????? 60 ???? ????The darker zone in lakes where light penetr ation is negligible is called the: (Answer : D)
???????? ???????? ???????????? a) (a) Euphotic zone ????b) (b) Littor al zone ????c) (c) Limnetic zone ????d)(d) Benthic zone
???????????? 61 ???? ????The zone of a sea lying over the continental shelf is known as the: (Answer : B)
???????? ???????? ???????????? a) (a) Bathyl zone ????b) (b) Neritic zone ????c) (c) Abyssal zone ????d)(d) Littor al zone
???????????? 62 ???? ????Which one of the f ollowing is not a fresh water biome? (Answer : A)
???????? ???????? ???????????? a) (a) Lotic ????b) (b) Lentic ????c) (c) Spings ????d)(d) Deep sea
???????????? 63 ???? ????Tendency of pollutants to become concentr ated in successive trophic levels is known as: (Answer : A)
???????? ???????? ???????????? a) (a) Biomagnification ????b) (b) Biorhythm ????c) (c) Bioremediation ????d)(d) Biopir acy
???????????? 64 ???? ????Eutrophication is: (Answer : B)
???????? ???????? ???????????? a) (a) An improved water quality status of lakes ????b) (b) The result of accumulation of plant nutrients
in water bodies ????c) (c) A process in the carbon cycle ????d)(d) A water purification technique
???????????? 65 ???? ????Increase in f auna and decrease in flor a would be harmf ul due to increase in: (Answer : B)
???????? ???????? ???????????? a) (a) Diseases ????b) (b) CO ????c) (c) O2 ????d)(d) Radioactive pollution
???????????? 66 ???? ????The largest reservoir of nitrogen an our planet is: (Answer : B)
???????? ???????? ???????????? a) (a) Ocean ????b) (b) Atmosphere ????c) (c) Biosphere ????d)(d) Fossil f uels
???????????? 67 ???? ????Overgr azing results in: (Answer : A)
???????? ???????? ???????????? a) (a) Soil erosion ????b) (b) Retention of usef ul species ????c) (c) Productive soils ????d)(d) All of the
above
???????????? 68 ???? ????In the world, the economy of the India is: (Answer : D)
???????? ???????? ???????????? a) (a) Largest ????b) (b) Third largest ????c) (c) Second largest ????d)(d) Fourth largest
???????????? 69 ???? ????In services output, India is: (Answer : C)
???????? ???????? ???????????? a) 10 ????b) 12 ????c) 15 ????d)4
???????????? 70 ???? ?????Smog? is a mixture of (Answer : A)
???????? ???????? ???????????? a) a) Smoke and Fog ????b) (b) Snow and Fog ????c) ( c) Snow and Dust ????d)(d) Sulphur Dioxide and
Fog
???????????? 71 ???? ????A liquid f uel that was f ormed from the ancient remains of sea plants and animals is (Answer : B)
???????? ???????? ???????????? a) Natur al gasb ????b) Petroleumc ????c) Geothermal energyd ????d)Coal
???????????? 72 ???? ????A poisonous gas given out of vehicles exhaust is (Answer : A)
a) Carbon monoxideb ????b) Ethanec ????c) Methaned ????d)Carbon dioxide
???????????? 73 ???? ????A product of photosynthesis is (Answer : C)
???????? ???????? ???????????? a) Carbon dioxideb ????b) Waterc ????c) Oxygend ????d)Chlorophyll
???????????? 74 ???? ????Atmosphere consists of 79 percent Nitrogen and 21 percent Oxygen by (Answer : B)
???????? ???????? ???????????? a) Volumeb ????b) Weightc ????c) Densityd ????d)All of these
???????????? 75 ???? ????Biogas contains mainly (Answer : B)
???????? ???????? ???????????? a) Carbon dioxideb ????b) Methanec ????c) Butaned ????d)Propane
???????????? 76 ???? ????Carbon dioxide constitutes about 0.03% of the atmosphere (Answer : A)
???????? ???????? ???????????? a) By volume(b ????b) By weight(c ????c) By mass(d ????d)None of these
???????????? 77 ???? ????Development activities on the hydrosphere cause (Answer : C)
???????? ???????? ???????????? a) Air pollutionb ????b) Soil pollutionc ????c) Water pollutiond ????d)Soil erosion
???????????? 78 ???? ????Energy flow in an ecosystem is (Answer : C)
???????? ???????? ???????????? a) Bidirectionalb ????b) Unidirectionalc ????c) Multidirectionald ????d)All rounds
???????????? 79 ???? ????Energy from the heat inside the earth is (Answer : B)
???????? ???????? ???????????? a) a Natur al gas ????b) Geothermalc ????c) Petroleumd ????d)Terr athermal
???????????? 80 ???? ????Energy in the r ays from the sun is called (Answer : A)
???????? ???????? ???????????? a) Solar energyb ????b) Wind energyc ????c) Tidal energyd ????d)Water energy
???????????? 81 ???? ????Environment is the lif e support system that includes (Answer : D)
???????? ???????? ???????????? a) Airb ????b) Waterc ????c) Landd ????d)All of the above
???????????? 82 ???? ????Extensive planting of trees to increase cover is called (Answer : A)
???????? ???????? ???????????? a) Af f orestation(b ????b) Agrof orestation(c ????c) Def orestation(d ????d)Social f orestry
???????????? 83 ???? ????Extensive planting of trees to increase f orest cover is called (Answer : A)
???????? ???????? ???????????? a) Af f orestation, b ????b) Agrof orestry, c ????c) Def orestation, d ????d)Social f orestry
???????????? 84 ???? ????Forest and wild lif e are (Answer : A)
???????? ???????? ???????????? a) Renewable resource(b ????b) Non-renewable resources (c ????c) Inexhaustible resources (d ????d)None
of these
???????????? 85 ???? ????Forests prevent soil erosion by binding soil particles in their (Answer : B)
???????? ???????? ???????????? a) Leaves(b ????b) Roots(c ????c) Buds(d ????d)Stems
???????????? 86 ???? ????Formation of hole in Ozone is maximum over (Answer : C)
???????? ???????? ???????????? a) Indiab ????b) Europec ????c) Antarcticad ????d)Africa
???????????? 87 ???? ????Fossil f uel and metallic miner als are: (Answer : C)
???????? ???????? ???????????? a) Renewable resource (b ????b) Inexhaustible resources (c ????c) Non-renewable resources (d ????d)None
of these
???????????? 88 ???? ????Green house ef f ect is linked to (Answer : C)
???????? ???????? ???????????? a) Nitrogen oxidesb ????b) Sulphur dioxidesc ????c) Carbon dioxidesd ????d)Carbon monoxides
???????????? 89 ???? ????In our country the percentage of land under f orest is about: (Answer : B)
???????? ???????? ???????????? a) 20%(b ????b) 19%(c ????c) 25%(d ????d)30%
???????????? 90 ???? ????In respect of water crisis, there have been conflicts/disputes between two countries, or states of the
same country. Which of the f ollowing has never been the case of water conflict? (Answer : D)
???????? ???????? ???????????? a) Cauvery water dispute between Tamil Nadu and Karnataka (b ????b) Yamuna-Betwa dispute between
U.P. and M.P. (c ????c) Sutlej Yamuna Link (SYL ????d)canal dispute between Pun jab and Haryana (d
???????????? 91 ???? ????Instrumentation technology used to locate suitable places f or mining (Answer : C)
???????? ???????? ???????????? a) a) Microscope ????b) b) Salinometer ????c) c) GIS ????d)d) camer a tr ap
???????????? 92 ???? ????Kaveri water dispute is in between: (Answer : D)
???????? ???????? ???????????? a) India and Pakistan (b ????b) Pun jab and Haryana (c ????c) Uttar Pr adesh and Madhya Pr adesh (d
????d)Karnataka and Tamil Nadu
???????????? 93 ???? ????Khetri (Ra jasthan) is f amous f or: (Answer : B)
???????? ???????? ???????????? a) Coal mines(b ????b) Copper mines(c ????c) Gr anite stone(d ????d)Marble stone
???????????? 94 ???? ????Main source of acid r ain is (Answer : A)
???????? ???????? ???????????? a) Sulphur dioxideb ????b) Nitrogenc ????c) Carbon dioxided ????d)Carbon monoxide
???????????? 95 ???? ????Ma jor consumer of wood from f orest is ___________ (Answer : B)
???????? ???????? ???????????? a) Thermal Power Plant ????b) Paper Industry ????c) Chemistry Industry ????d)none
???????????? 96 ???? ????Moisture in the air is known as (Answer : D)
???????? ???????? ???????????? a) a) Water ????b) (b) Fog ????c) ( c) Snow ????d)(d) Humidity
???????????? 97 ???? ????Name the country which virtually closed cod fishery in the 1990?s due to depletion of fish reserves
(Answer : A)
???????? ???????? ???????????? a) a) Canada ????b) b) Argentina ????c) c) Italy ????d)d) India
???????????? 98 ???? ????Name the financial agency which hesistate to support the Sardar Sarovar Pro ject in India in 1993 a result
of the demands of local people threatened with the loss of their livelihoods and homes in the submergence area.
(Answer : B)
???????? ???????? ???????????? a) a) Swiss bank ????b) b) World Bank ????c) c) Bank of India ????d)d) International Monetary Fund
???????????? 99 ???? ????Nitrogen constitutes about 78% of the atmosphere (Answer : C)
???????? ???????? ???????????? a) By weight(b ????b) By mass(c ????c) By volume(d ????d)None of these
???????????? 100 ???? ????Noise is measured by sound meter and the unit is (Answer : C)
???????? ???????? ???????????? a) Hertzb ????b) Joulec ????c) Decibeld ????d)Seconds
???????????? 101 ???? ????One of India?s serious environmental problems is f orest degr adation. What is the main cause of f orest
degr adation? (Answer : A)
???????? ???????? ???????????? a) timber extr action ????b) honey extr action ????c) high altitude ????d)Low Rainf all
???????????? 102 ???? ????Ozone day is observed on (Answer : B)
???????? ???????? ???????????? a) 3rd Januaryb ????b) 16th Septemberc ????c) 10th Novemberd ????d)26th March
???????????? 103 ???? ????Ozone Umbrella is located in which layer of atmosphere (Answer : B)
???????? ???????? ???????????? a) a) Troposphere ????b) (b) Str atosphere ????c) (c) Mesosphere ????d)(d) Ionosphere
???????????? 104 ???? ????Peeling of Ozone umbrella, which protects us from UV r ays, is caused by (Answer : B)
???????? ???????? ???????????? a) Carbon monoxideb ????b) CFCsc ????c) Coal burningd ????d)Methane
???????????? 105 ???? ????Soil erosion removes surf ace soil which contains (Answer : A)
???????? ???????? ???????????? a) Organic matterb ????b) Plant nutrientsc ????c) Both a and bd ????d)none of the above
???????????? 106 ???? ????Sustainable development means (Answer : C)
???????? ???????? ???????????? a) a. meeting present needs without compromising on f uture needs ????b) b. progress of human beings
????c) c. balance between human needs and the ability of earth to provide the resources ????d)d. all of the above
???????????? 107 ???? ????The adverse ef f ect of modern agriculture is (Answer : B)
???????? ???????? ???????????? a) Water pollutionb ????b) Soil degr adationc ????c) Water loggingd ????d)All of the above
???????????? 108 ???? ????The f ossil f uel that is derived from the dead remains of plants that grew some 250 million years ago is
(Answer : C)
???????? ???????? ???????????? a) Petroleumb ????b) Natur al gasc ????c) Coald ????d)LPG
???????????? 109 ???? ????The impact of construction of dams (Answer : D)
???????? ???????? ???????????? a) Submerged f orest b ????b) Loss of wild lif e habitat c ????c) Damages downstream ecosystem d ????d)All
of the above
???????????? 110 ???? ????The ma jor cause f or land degr adation in our country is (Answer : A)
???????? ???????? ???????????? a) Soil erosion(b ????b) Pollution of soil(c ????c) Water-logging(d ????d)None of the above
???????????? 111 ???? ????The ma jor reason f or floods in the rivers Ganges and Br ahmaputr a is ________ (Answer : B)
???????? ???????? ???????????? a) a) Dams in Himalayas ????b) b) Def orestation in Himalayas ????c) c) Heavy r ains ????d)d) Melting of ice
???????????? 112 ???? ????The method of r ainwater harvesting which can be adopted by individual house owners is (Answer : D)
???????? ???????? ???????????? a) Construction of recharge trenches (b ????b) On channel stor age of water (c ????c) Creation of new
water bodies (d ????d)Roof-top r ainwater harvesting
???????????? 113 ???? ????The percentage of total world?s precipitation, which is lost to the atmosphere through evapor ation,
approximates to: (Answer : A)
???????? ???????? ???????????? a) 57%(b ????b) 7%(c ????c) 37%(d ????d)43%
???????????? 114 ???? ????The process of restoring f orests that once existed but was removed at some time in the past is known
as (Answer : B)
???????? ???????? ???????????? a) Af f orestationb ????b) Ref orestationc ????c) Def orestationd ????d)None of these
???????????? 115 ???? ????The share of Hydropower (Hydel pro jects) in worlds commercial electricity production is less than ________
(Answer : D)
???????? ???????? ???????????? a) 2.00% ????b) 4.00% ????c) 12.00% ????d)20.00%
???????????? 116 ???? ????The species restricted to be present in one region are called (Answer : B)
???????? ???????? ???????????? a) Edge speciesb ????b) Endemic species c ????c) Endangered species d ????d)Keystone species
???????????? 117 ???? ????The teeth are likely to be pitted, more susceptible to cavities and wear, when the fluoride concentr ation
is: (Answer : D)
???????? ???????? ???????????? a) More than 2 mg/1 (b ????b) More than 40 mg/1 (c ????c) More than 20 mg/1 (d ????d)More than 4 mg/1
???????????? 118 ???? ????The term ?Environment? has been derived from the French word which means to encircle or surround
(Answer : A)
???????? ???????? ???????????? a) Environb ????b) Oikosc ????c) Geod ????d)Aqua
???????????? 119 ???? ????Wetlands in the flood plains of rivers are also considered as nature?s ________ (Answer : C)
???????? ???????? ???????????? a) a) Heat sink ????b) b) carbon sink ????c) c) flood control systems ????d)d) swimming pool
???????????? 120 ???? ????What are rodenticides? (Answer : C)
???????? ???????? ???????????? a) that kill fishes ????b) that kill insects ????c) that kill r ats ????d)that kill crocos
???????????? 121 ???? ????What is Kyoto Protocol? (Answer : A)
???????? ???????? ???????????? a) a. It is an agreement among countries to take steps f or reducing global warming. ????b) b. It is an
agreement among countries to take steps f or reducing acid r ain. ????c) c. It is an agreement among countries to take steps
f or planting trees to control pollution. ????d)d. It is an agreement among countries to start using nuclear energy.
???????????? 122 ???? ????What is the ma jor limiting f actor in the arid areas of our country? (Answer : C)
???????? ???????? ???????????? a) a) Money ????b) b) f orests ????c) c) water ????d)d) soil
???????????? 123 ???? ????What kind of people are the most ill-af f ected by the construction of dams? (Answer : D)
???????? ???????? ???????????? a) a) Urban dwellers ????b) b) beach dwellers ????c) c) tourists ????d)d) tribal people
???????????? 124 ???? ????When fluoride concentr ation in H2O exceeds about 1.5 mg/1, the disease that may be caused, is
(Answer : B)
???????? ???????? ???????????? a) Dental caries in children(b ????b) Fluorosis(c ????c) Polymyelitis(d ????d)Methemoglobinemia
???????????? 125 ???? ????Which among the f ollowing is a sedimentary type of cycle? (Answer : A)
???????? ???????? ???????????? a) Sulphur cycle(b ????b) Nitrogen cycle(c ????c) Oxygen cycle(d ????d)Carbon cycle
???????????? 126 ???? ????Which gas is responsible f or ozone layer depletion around earth? (Answer : B)
???????? ???????? ???????????? a) Carbon dioxideb ????b) Chlorofluorocarbonsc ????c) Oxygend ????d)Nitrogen oxide
???????????? 127 ???? ????Which gas is responsible f or the global warming? (Answer : B)
???????? ???????? ???????????? a) Nitrogenb ????b) Carbon dioxidec ????c) Noble gasesd ????d)Hydrogen
???????????? 128 ???? ????Which is a list of renewable resources? (Answer : D)
???????? ???????? ???????????? a) Petroleum, geothermal, wind b ????b) Biomass, geothermal, hydropower c ????c) Natur al gas, wind,
biomass d ????d)Hydropower, solar, wind energy
???????????? 129 ???? ????Which is the only country who has not r atified the Kyoto Protocol yet? (Answer : A)
???????? ???????? ???????????? a) United States ????b) Austr alia ????c) Japan ????d)India
???????????? 130 ???? ????Which of below items is the ma jor sector which extr acts most of fresh water available f or utilization?
(Answer : D)
???????? ???????? ???????????? a) domestic use ????b) drinking water ????c) bever age industry ????d)agriculture
???????????? 131 ???? ????Which of the f ollowing are consequences of ozone depletion (Answer : A)
???????? ???????? ???????????? a) Skin cancer and catar actb ????b) Reduced growth in plants c ????c) Shortening of zooplanktons and
their breeding period d ????d)All of the above
???????????? 132 ???? ????Which of the f ollowing are ma jor environmental issues involved in mining? (Answer : D)
???????? ???????? ???????????? a) air pollutionb ????b) water pollutionc ????c) soil degr adationd ????d)all of the above
???????????? 133 ???? ????Which of the f ollowing ef f ect is responsible f or Global Warming? (Answer : A)
???????? ???????? ???????????? a) Green house ef f ectb ????b) Radioactive ef f ectc ????c) Solar ef f ectd ????d)Nuclear ef f ect
???????????? 134 ???? ????Which of the f ollowing is management option f or air pollution? (Answer : D)
???????? ???????? ???????????? a) Regulations and standardsb ????b) Tr ansport planningc ????c) Using CNG as f ueld ????d)All of these
???????????? 135 ???? ????Which of the f ollowing is not a method f or water conservation? (Answer : B)
???????? ???????? ???????????? a) Rainwater harvesting(b ????b) Groundwater extr action (c ????c) Improving irrigation ef ficiency (d
????d)Avoiding water wastage
???????????? 136 ???? ????Which of the f ollowing is not a viable protection against def orestation? (Answer : C)
???????? ???????? ???????????? a) Reduce the consumption of f orest and related products (b ????b) Boycott products of companies
involve in def orestation (c ????c) Privatisation of f orest land (d ????d)Environmental education
???????????? 137 ???? ????Which of the f ollowing is not influenced by human activities? (Answer : D)
???????? ???????? ???????????? a) Destruction of mangroves and wetlands b ????b) Depletion of ground water c ????c) Increased
extinction r ate of species d ????d)None of the above
???????????? 138 ???? ????Which of the f ollowing is not true about def orestation? (Answer : C)
???????? ???????? ???????????? a) Population explosion is one of the reasons f or def orestation (b ????b) Cleaning of f orest f or
agriculture causes def orestation. (c ????c) Def orestation is taking place only in developing courtiers. (d ????d)Cash crop
economy of third world is a cause of def orestation.
???????????? 139 ???? ????Which of the f ollowing is responsible f or desertification? (Answer : D)
???????? ???????? ???????????? a) Def orestation(b ????b) Mining(c ????c) Overgr azing(d ????d)All of the above
???????????? 140 ???? ????Which of the f ollowing statements about the f orest is not correct? (Answer : D)
???????? ???????? ???????????? a) Forest reduces soil erosion (b ????b) Provides recreational opportunities (c ????c) Provides economic
development (d ????d)None of the above
???????????? 141 ???? ????Which of these is not a f ossil f uel? (Answer : D)
???????? ???????? ???????????? a) Coalb ????b) Oilc ????c) Natur al gasd ????d)Ur anium
???????????? 142 ???? ????Which one of the f ollowing is not an ideal solution f or tackling water shortages? (Answer : D)
???????? ???????? ???????????? a) Controlling population growth (b ????b) Conserving water in irrigation (c ????c) Controlling water
pollution (d ????d)Drilling large number of deep bore wells
???????????? 143 ???? ????Which one of the f ollowing regions in India is a hotspot of biodiversity? (Answer : B)
???????? ???????? ???????????? a) Sundarbansb ????b) Western Ghatsc ????c) Eastern Ghatsd ????d)Gangetic plains
???????????? 144 ???? ????World environment day is on: (Answer : B)
???????? ???????? ???????????? a) 5th Mayb ????b) 5th Junec ????c) 18th Julyd ????d)16th August
???????????? 145 ???? ????World Forest day is celebr ated on (Answer : A)
???????? ???????? ???????????? a) 21st March b ????b) 5th June c ????c) 1st Dec d ????d)7th June
???????????? 146 ???? ????Yellowing of Ta j Mahal is an ef f ect of (Answer : A)
???????? ???????? ???????????? a) Acid r ainb ????b) Global warmingc ????c) Ozone depletiond ????d)All of the above
???????????? 147 ???? ????Green Revolution in India was initiated by __________ (Answer : A)
???????? ???????? ???????????? a) M.S. Swaminathan ????b) Sunderlal Bahuguna ????c) Kurien ????d)Medha Patkar
???????????? 148 ???? ????Who wrote the book Violence of Green Revolution (Answer : A)
???????? ???????? ???????????? a) Vandana Siva ????b) Sheela Dikshit ????c) Menaka Gandhi ????d)Arundhathi Roy.
???????????? 149 ???? ????World Forest day is celebr ated on (Answer : A)
???????? ???????? ???????????? a) 21st March ????b) 5th June ????c) 1st Dec ????d)7th June
???????????? 150 ???? ????The Chipko movement is started by (Answer : B)
???????? ???????? ???????????? a) Engler ????b) Sunderlal Bahuguna ????c) Medha Padkar ????d)None of these
???????????? 151 ???? ????Green revolution is associated with _________ (Answer : B)
???????? ???????? ???????????? a) sericulture ????b) Agriculture ????c) Fish culture ????d)silviculture
???????????? 152 ???? ????Which gas is likely to be reduced in the atmosphere by def orestation? (Answer : C)
???????? ???????? ???????????? a) Carbon dioxide ????b) Nitrogen ????c) Oxygen ????d)Sulphur dioxide
???????????? 153 ???? ????Extensive planting of trees to increase f orest cover is called (Answer : A)
???????? ???????? ???????????? a) Af f orestation ????b) Agrof orestry ????c) Def orestation ????d)Social f orestry
???????????? 154 ???? ????Soil erosion can be prevented by (Answer : B)
???????? ???????? ???????????? a) Def orestation ????b) Af f orestation ????c) Overgr azing ????d)Removal of vegetation
???????????? 155 ???? ????The components of LPG are _____________ (Answer : B)
???????? ???????? ???????????? a) Methane & Hexane ????b) Propane & Butane ????c) Ethane & Methane ????d)Propane & Ethane
???????????? 156 ???? ????Which of the f ollowing is the most responsible f or world water crisis? (Answer : C)
???????? ???????? ???????????? a) Dams ????b) Floods ????c) Drought ????d)Population growth
???????????? 157 ???? ????The resources that can be replaced by natur al ecological cycle is called (Answer : A)
???????? ???????? ???????????? a) Renewable ????b) Non-renewable ????c) exhaustible ????d)natur al
???????????? 158 ???? ????The amount of solar r adiation reaching the surf ace of the earth is called (Answer : A)
???????? ???????? ???????????? a) Solar flux ????b) reflected light ????c) miner als ????d)solvents
???????????? 159 ???? ????The most harmf ul of ultr aviolet r adiations are (Answer : A)
???????? ???????? ???????????? a) UV-C ????b) UV-B ????c) UV-A ????d)All the above
???????????? 160 ???? ????A renewable source of energy is (Answer : D)
???????? ???????? ???????????? a) Petroleum ????b) Coal ????c) Nuclear f uel ????d)Trees
???????????? 161 ???? ????The capacity to do work is termed as (Answer : D)
???????? ???????? ???????????? a) Power ????b) Force ????c) Strength ????d)Energy
???????????? 162 ???? ????The unit of total water content of the soil is known as (Answer : A)
???????? ???????? ???????????? a) Holard ????b) Chr aserd ????c) Echard ????d)All of the above
???????????? 163 ???? ????Pedology? (Answer : C)
???????? ???????? ???????????? a) Study of water ????b) Study of air ????c) Study of soil ????d)none
???????????? 164 ???? ????What is def orestation? (Answer : B)
???????? ???????? ???????????? a) Product of f orest ????b) Destruction of f orest ????c) Forest Protection ????d)none
???????????? 165 ???? ????Def orestation gener ally decreases (Answer : D)
???????? ???????? ???????????? a) Global Warming ????b) Drought ????c) Soil erosion ????d)Rainf all
???????????? 166 ???? ????Which among the f ollowing result in the f ormation of soil? (Answer : B)
???????? ???????? ???????????? a) Radiation ????b) Weathering ????c) Erosion ????d)Pollution
???????????? 167 ???? ????Mulching helps in (Answer : B)
???????? ???????? ???????????? a) soil f ertility ????b) moisture conservation ????c) improvements soil structure ????d)soil sterility
???????????? 168 ???? ????........................ is an example of ?bottom f eeders?. (Answer : A)
???????? ???????? ???????????? a) Cat fish ????b) Frog ????c) Snake ????d)Tadpole ????e)
???????????? 169 ???? ????..................... trees shed their leaves during winter and hot summer. (Answer : C)
???????? ???????? ???????????? a) (a) ever green ????b) b) conif erous ????c) c) deciduous ????d)d) Shola
???????????? 170 ???? ????...................... is a cold desert in India (Answer : B)
???????? ???????? ???????????? a) Thar ????b) Ladakh ????c) Ran of Kutch ????d)Bhopal
???????????? 171 ???? ????A lake ecosystem f unctions as a (Answer : A)
???????? ???????? ???????????? a) Ter ai ????b) Shola gr asslands ????c) Semi arid plains ????d)Himalayan pastures
???????????? 172 ???? ????An example of nitrogen fixing bacteria in the soil (Answer : C)
???????? ???????? ???????????? a) Rhizobium ????b) Nostoc ????c) Azotobacter ????d)Nitrobacter
???????????? 173 ???? ????An example of one way ecological cycle is (Answer : C)
???????? ???????? ???????????? a) carbon dioxide cycle ????b) water cycle ????c) energy cycle ????d)oxygen cycle
???????????? 174 ???? ????Br ackish water ecosystems in river deltas are among (Answer : B)
???????? ???????? ???????????? a) Least productive ecosystems ????b) Most productive in terms of biomass production ????c) c)
Unproductive d) Stagnant ecosystems ????d)
???????????? 175 ???? ????Ecology is (Answer : C)
???????? ???????? ???????????? a) The science that studies the evolution of lif e, ????b) b) Integr ates both social and natur al sciences to
help us understand how the earth works, ????c) c) The study of the relationships between organisms and their
environment ????d)d) The study of the environment in the absence of humans
???????????? 176 ???? ????Forests grow in high r ain f all areas are (Answer : A)
???????? ???????? ???????????? a) (a) ever green f orests ????b) b) temper ate f orests ????c) c) conif ers ????d)d) Tundr a
???????????? 177 ???? ????Fungi is a (Answer : D)
???????? ???????? ???????????? a) Macroconsumer ????b) Producer ????c) Carnivore d ????d)Microconsumer
???????????? 178 ???? ????Nitrogen fixing blue green alga (Answer : C)
???????? ???????? ???????????? a) Clostridium ????b) Rhizobium ????c) Nostoc ????d)Nitrosomonas
???????????? 179 ???? ????Nitrogen gas returns to the atmosphere by the action of (Answer : B)
???????? ???????? ???????????? a) Nitrogen fixing bacteria ????b) Denitrif ying bacteria ????c) Nitrif ying bacteria ????d)Nitr ate f ertilizers
???????????? 180 ???? ????Patches of tall gr asslands interspersed with Sal f orest ecosystem is (Answer : A)
???????? ???????? ???????????? a) ????b) ????c) ????d)
???????????? 181 ???? ????Ramsar Convention ref ers to the conservation of ____________ (Answer : B)
???????? ???????? ???????????? a) (a) Deserts ????b) b) Wetlands ????c) c) Agriculture lands, ????d)d) Forest land
???????????? 182 ???? ????Some species whose removal can af f ect the survival of an ecosystem are called (Answer : B)
???????? ???????? ???????????? a) ????b) b) Keystone species ????c) c) Producers ????d)d) Carnivores
???????????? 183 ???? ????Sunderbans is home to (Answer : B)
???????? ???????? ???????????? a) Giant permanent pond ????b) Tempor ary aquatic system ????c) Simplest aquatic ecosystem ????d)Water
tank
???????????? 184 ???? ????The conversion of ammonia to nitr ate is known as ________ (Answer : B)
???????? ???????? ???????????? a) (a) ammonification ????b) b) nitrification ????c) c) denitrification ????d)d) all of these
???????????? 185 ???? ????The f orests which occur in law r ain f all area is (Answer : B)
???????? ???????? ???????????? a) (a) Evergreen f orests ????b) b) deciduous f orests ????c) c) Conif erous f orest ????d)d) All the above.
???????????? 186 ???? ????The inherent ability of organisms to reproduce and multiply is called, (Answer : B)
???????? ???????? ???????????? a) C value ????b) b) biotic potential ????c) c) carrying capacity ????d)d) K value
???????????? 187 ???? ????The largest br ackish water lake situated in Asia is in Orissa. Which is the lake? (Answer : A)
???????? ???????? ???????????? a) (a) Chilka lake ????b) b) Vembanad lake ????c) c) Woolar lake ????d)d) Dal lake
???????????? 188 ???? ????The Little Rann of Kutch is home to (Answer : D)
???????? ???????? ???????????? a) Horse ????b) b) Great Indian Bustard ????c) c) Lion ????d)d) Wild Ass
???????????? 189 ???? ????The presence of which is necessary f or photosynthesis (Answer : B)
???????? ???????? ???????????? a) (a) Chlorof orm ????b) b) Chlorophyll ????c) c) Phosphorus ????d)d) Polymer
???????????? 190 ???? ????The process through which ecosystems tend to change after a period of time is called (Answer : A)
???????? ???????? ???????????? a) ????b) ????c) ????d)
???????????? 191 ???? ????The species that flower are called (Answer : C)
???????? ???????? ???????????? a) (a) gymnosperms ????b) b) bryophytes ????c) c) angiosperms ????d)d) algae
???????????? 192 ???? ????The term ?Eco? implies (Answer : A)
???????? ???????? ???????????? a) Environment ????b) Ecotone ????c) Ecotourism ????d)Soil
???????????? 193 ???? ????The term ?Ecology? was coined by (Answer : B)
???????? ???????? ???????????? a) A.G.Tansley ????b) Earnst Haeckel ????c) Aristotle ????d)Linnaeus
???????????? 194 ???? ????The word Biophilia was coined by (Answer : D)
???????? ???????? ???????????? a) Dr. Hackel ????b) Dr.Johanssen ????c) Dr. Ben jamine ????d)E. O. Wilson
???????????? 195 ???? ????What is Dendrology? (Answer : C)
???????? ???????? ???????????? a) Study of Plants ????b) Study of Butterflies ????c) Study of Trees ????d)None of these
???????????? 196 ???? ????What is edge species? (Answer : A)
???????? ???????? ???????????? a) The species which occur abundantly in the ecotone ????b) b) Species on the verge of extinction ????c)
c) Rare species ????d)d) Endemic species
???????????? 197 ???? ????What is symbiosis? (Answer : C)
???????? ???????? ???????????? a) Study of distribution of related species ????b) b) Association between members of same species
????c) c) Association between members of two species ????d)d) None
???????????? 198 ???? ????When number of f ood chains is interlocked this is called (Answer : C)
???????? ???????? ???????????? a) f ood link ????b) f ood chain ????c) f ood web ????d)pyr amid
???????????? 199 ???? ????Which is an example f or sedimentary biogeochemical cycle (Answer : D)
???????? ???????? ???????????? a) Oxygen cycle ????b) Nitrogen cycle ????c) Water cycle ????d)Phosphorus cycle
???????????? 200 ???? ????Which is the second largest in species richness? (Answer : C)
???????? ???????? ???????????? a) Desert ????b) b) Tundr a ????c) c) Cor al reefs ????d)d) Flowing water
???????????? 201 ???? ????Gr assland of USA is ref erred to as (Answer : A)
???????? ???????? ???????????? a) Pr airies ????b) Steppes ????c) Pampas ????d)Veldts
???????????? 202 ???? ????The complex network of interconnected f ood chains is called ___________ (Answer : B)
???????? ???????? ???????????? a) Trophic level ????b) Food web ????c) Ecological pyr amid ????d)Ecology chain
???????????? 203 ???? ????The animal which consumes decaying organic matter is _________ (Answer : B)
???????? ???????? ???????????? a) Carnivore ????b) Detritivore ????c) Herbivore ????d)Producers
???????????? 204 ???? ????An ecosystem gr adually merges with an adjoining one through a tr ansitional zone is called the
______________ (Answer : C)
???????? ???????? ???????????? a) Ecological niche ????b) ecological f ootprint ????c) ecotone ????d)Shore ef f ect
???????????? 205 ???? ????The Primary Consumers are also called as (Answer : A)
???????? ???????? ???????????? a) Herbivores ????b) Carnivores ????c) Enzymes ????d)None of these
???????????? 206 ???? ????The f orests which occur in law r ain f all area is called (Answer : B)
???????? ???????? ???????????? a) Evergreen f orests ????b) deciduous f orests ????c) Conif erous f orest ????d)All the above
???????????? 207 ???? ????Favor able morphological and physiological response to a change in environment is called (Answer : D)
???????? ???????? ???????????? a) Preadaptation ????b) Ecotyping ????c) Formation of ecophenes ????d)Acclimatization
???????????? 208 ???? ????Plants adapted to open, sunny habitats are (Answer : B)
???????? ???????? ???????????? a) Sciophytes ????b) Heliophytes ????c) Mesophytes ????d)Epiphytes
???????????? 209 ???? ????Temper ate f orests occur in India in (Answer : B)
???????? ???????? ???????????? a) Indo-gangetic plains ????b) Himalayas ????c) Eastern India ????d)Southern peninsula
???????????? 210 ???? ????In India, tropical evergreen f orests occur in (Answer : C)
???????? ???????? ???????????? a) Himachal Pr adesh ????b) Madhya Pr adesh ????c) Assam ????d)Tamil Nadu
???????????? 211 ???? ????Which one is natures cleaner? (Answer : C)
???????? ???????? ???????????? a) Consumers ????b) Producers ????c) Decomposers and Scavengers ????d)Symbionts
???????????? 212 ???? ????The relationship between nitrogen fixing bacteria and leguminous plants is an example f or (Answer : C)
???????? ???????? ???????????? a) Par asitism ????b) Predation ????c) Mutualism ????d)Symbiosis
???????????? 213 ???? ????______ trees shed their leaves during winter and hot summer. (Answer : C)
???????? ???????? ???????????? a) Ever green ????b) Conif erous ????c) Deciduous ????d)Shola
???????????? 214 ???? ????Thorn f orests are f ound in the_______ regions (Answer : A)
???????? ???????? ???????????? a) Semi-arid ????b) High r ain f all areas ????c) Low temper ature ????d)Frozen areas
???????????? 215 ???? ????________ is a cold desert in India (Answer : B)
???????? ???????? ???????????? a) Thar ????b) Ladakh ????c) Ran of Kutch ????d)Bhopal
???????????? 216 ???? ????______ is an example of bottom f eeders (Answer : A)
???????? ???????? ???????????? a) Cat fish ????b) Frog ????c) Snake ????d)Tadpole
???????????? 217 ???? ????A Hawk that eats a frog is a (Answer : D)
???????? ???????? ???????????? a) Producer ????b) Primary Consumer ????c) Secondary Consumer ????d)Tertiary Consumer
???????????? 218 ???? ????An example of lotic system (Answer : B)
???????? ???????? ???????????? a) Pond ????b) River ????c) Lake ????d)Reservoir
???????????? 219 ???? ????Complex interlinked f ood chains are called (Answer : A)
???????? ???????? ???????????? a) Food Web ????b) Food net work ????c) Trophic levels ????d)Food pyr amid
???????????? 220 ???? ????Lotic ecosystem ref ers to (Answer : B)
???????? ???????? ???????????? a) Static water system ????b) Ecosystem of flowing water ????c) Ecosystem of estuaries ????d)Deep
marine water system
???????????? 221 ???? ????Autotrophs are ______________ (Answer : D)
???????? ???????? ???????????? a) Consumers ????b) Herbivores ????c) Saprophytes ????d)Producers
???????????? 222 ???? ????Organisms which depened on Producers f or nutrition are called (Answer : C)
???????? ???????? ???????????? a) Autotrophs ????b) Saprophytes ????c) Consumers ????d)Xerophytes
???????????? 223 ???? ????The source of atmospheric oxygen is (Answer : B)
???????? ???????? ???????????? a) Nitrogen cycle ????b) Green Plants ????c) Water ????d)Carbon Cycle
???????????? 224 ???? ????Plants which grow in shade are called (Answer : A)
???????? ???????? ???????????? a) Sciophytes ????b) Heliophytes ????c) Oxylophytes ????d)Epiphytes
???????????? 225 ???? ????Photosynthesis is f ound in (Answer : A)
???????? ???????? ???????????? a) Producers ????b) Decomposers ????c) Consumers ????d)Scavengers
???????????? 226 ???? ????Phytoplankton are (Answer : B)
???????? ???????? ???????????? a) Producers of f orest ????b) Producers of lakes ????c) Consumers of Ocean ????d)Omnivores
???????????? 227 ???? ????Gas released during photosynthesis is (Answer : C)
???????? ???????? ???????????? a) Methane ????b) Nitrogen ????c) Oxygen ????d)Carbon dioxide
???????????? 228 ???? ????The ma jor reservoir of carbon is (Answer : B)
???????? ???????? ???????????? a) The atmosphere ????b) Ocean Bed ????c) Plant and animals ????d)Rock
???????????? 229 ???? ????The simplest aquatic ecosystem can be seen in a (Answer : C)
???????? ???????? ???????????? a) River ????b) Lake ????c) Pond ????d)Water Tank
???????????? 230 ???? ????What is hibernation and aestivation? (Answer : A)
???????? ???????? ???????????? a) Thermal adaptation shown by animals ????b) wind adaptation shown by animals ????c) adaptation of
animals to escape from predators ????d)None
???????????? 231 ???? ????What is lentic habitat ? (Answer : B)
???????? ???????? ???????????? a) Running water habitat ????b) Standing or still water habitat ????c) Marine habitat ????d)None
???????????? 232 ???? ????What is lotic habitat? (Answer : C)
???????? ???????? ???????????? a) Standing or still water habitat ????b) Marine habitat ????c) Running water habitat ????d)Stagnant water
???????????? 233 ???? ????What is Plankton? (Answer : A)
???????? ???????? ???????????? a) Microscopic floating organisms ? Plants and animals. ????b) bottom dwelling aquatic organisms ????c)
Large plants in water ????d)None
???????????? 234 ???? ????What is Canopy? (Answer : A)
???????? ???????? ???????????? a) Uppermost level of the f orest ????b) Ground level of the f orest ????c) Soil in f orest ????d)Climbers on
trees
???????????? 235 ???? ????North American gr assland are called (Answer : B)
???????? ???????? ???????????? a) Pampas ????b) Pr airies ????c) Savannah ????d)None
???????????? 236 ???? ????African gr asslands are called (Answer : C)
???????? ???????? ???????????? a) Pr airies ????b) Pampas ????c) Savannah ????d)None
???????????? 237 ???? ????Green plants are absent in deep sea. Why? (Answer : A)
???????? ???????? ???????????? a) Light is absent ????b) High pressure ????c) low temper ature ????d)Great depth
???????????? 238 ???? ????What is desertification? (Answer : D)
???????? ???????? ???????????? a) Conversion of f orests into desert ????b) Conversion of croplands into desert ????c) Conversion of
gr assland into desert ????d)all of the above
???????????? 239 ???? ????The first trophic level in a f ood chain (Answer : A)
???????? ???????? ???????????? a) Green Plants ????b) Herbivores ????c) Carnivores ????d)Bacteria
???????????? 240 ???? ????Sulphur bacteria are examples of (Answer : D)
???????? ???????? ???????????? a) Carnivores ????b) Heterotrophs ????c) Saprophytes ????d)Autotrophs
???????????? 241 ???? ????Green Land biome (Answer : B)
???????? ???????? ???????????? a) Tundr a ????b) Pampas ????c) Taiga ????d)Thaar.
???????????? 242 ???? ????What is deep ecology? (Answer : A)
???????? ???????? ???????????? a) Protecting nature f or its own sake ????b) Ecology of deep sea ????c) Ecology of f orest ????d)Ecology of
caves
???????????? 243 ???? ????Cor al reefs in India can be seen in (Answer : B)
???????? ???????? ???????????? a) Himalayan region ????b) Andaman and Nicobar Islands ????c) Uttarpr adesh ????d)Mahar ashtr a
???????????? 244 ???? ????____________ is one of the most endangered species of Indian birds (Answer : D)
???????? ???????? ???????????? a) Bee eater ????b) Par adise fly catcher ????c) Owl ????d)The great Indian bustard
???????????? 245 ???? ????................. species is known as Azadir achta Indica (Answer : A)
???????? ???????? ???????????? a) Neem ????b) Mango ????c) Jackfruit ????d)Banana
???????????? 246 ???? ????.................... is a marine tortoise which shows the unique phenomenon ?arribada? (Answer : A)
???????? ???????? ???????????? a) Olive Ridley ????b) Star T ortoise ????c) Tr avancore T ortoise ????d)b & c
???????????? 247 ???? ????.................... tree is known as ?flame of the f orest?? (Answer : B)
???????? ???????? ???????????? a) Zizyphus ????b) Butea monosperma ????c) Jackfruit ????d)Pongamea
???????????? 248 ???? ????All are insitu conservation ef f orts except (Answer : C)
???????? ???????? ???????????? a) National parks ????b) Sanctuaries ????c) Zoo ????d)
???????????? 249 ???? ????Approximately, 50% of total world species are present on (Answer : A)
???????? ???????? ???????????? a) tropical r ain f orest ????b) temper ate r ain f orest ????c) temper ate deciduous f orest d ????d)cor al reefs
???????????? 250 ???? ????Bears are usually hunted and killed f or their (Answer : B)
???????? ???????? ???????????? a) Teeth ????b) Skin ????c) Gall bladder ????d)Nails
???????????? 251 ???? ????Biodiversity (Answer : A)
???????? ???????? ???????????? a) increases towards the equator ????b) decreases towards the equator ????c) remains same throughout
the planet d ????d)has no ef f ect on change in latitude
???????????? 252 ???? ????Black Buck is a (Answer : B)
???????? ???????? ???????????? a) Goat ????b) Deer ????c) Butterfly ????d)Bird
???????????? 253 ???? ????Blue whale is placed under (Answer : A)
???????? ???????? ???????????? a) endangered ????b) critically endangered ????c) r are ????d)d) extinct
???????????? 254 ???? ????Conservation within the natur al habitat is (Answer : A)
???????? ???????? ???????????? a) insitu conservation ????b) exsitu conservation ????c) invivo conservation ????d)d) exvivo conservation
???????????? 255 ???? ????Cor al reefs in India can be seen in (Answer : B)
???????? ???????? ???????????? a) Himalayan region ????b) Andaman and Nicobar Islands ????c) Uttarpr adesh ????d)Mahar ashtr a
???????????? 256 ???? ????Dodo is (Answer : D)
???????? ???????? ???????????? a) endangered ????b) b) critically endangered ????c) c) r are ????d)d) extinct
???????????? 257 ???? ????Endemic species are (Answer : B)
???????? ???????? ???????????? a) r are species ????b) b) species localised in a specific region ????c) c) cosmopolitan in distribution d)
critically endangered species ????d)
???????????? 258 ???? ????Ex situ conservation includes (Answer : D)
???????? ???????? ???????????? a) Zoo ????b) Botanic garden ????c) c) Germplasm bank ????d)d) all of the above
???????????? 259 ???? ????Gharial is a (Answer : A)
???????? ???????? ???????????? a) Crocodile ????b) b) Cobr a ????c) c) T ortoise ????d)d) Frog
???????????? 260 ???? ????Herpetology is a br anch of Science which deals with (Answer : C)
???????? ???????? ???????????? a) Aves ????b) Mammals ????c) Reptiles ????d)Fishes
???????????? 261 ???? ????Hot spots are regions of high (Answer : B)
???????? ???????? ???????????? a) r arity ????b) b) endemism ????c) c) critically endangered population d) diversity ????d)d) diversity
???????????? 262 ???? ????India is primary centre of domestication of (Answer : D)
???????? ???????? ???????????? a) Sheep ????b) Goat ????c) Water Buf f alo ????d)Elephants
???????????? 263 ???? ????IUCN (The International Union For Conservation Of Nature And Natur al Resources) headquarters is at
(Answer : A)
???????? ???????? ???????????? a) Morges, Switzerland ????b) Paris, Fr ance ????c) Vienna, Austria d ????d)NewYork, USA
???????????? 264 ???? ????IUCN is also called as (Answer : B)
???????? ???????? ???????????? a) Man and Biosphere progr am ????b) World Conservation Union ????c) World Conservation Consortium
d ????d)World Wide Conservation Union
???????????? 265 ???? ????Killing of animals disturbs (Answer : C)
???????? ???????? ???????????? a) Good f or eco system ????b) Good f or man ????c) The balance of nature ????d)None
???????????? 266 ???? ????MAB progr am stands f or (Answer : D)
???????? ???????? ???????????? a) Man and biotechnology ????b) Material and biology ????c) Man and Biology ????d)Man and Biosphere
???????????? 267 ???? ????Pangolins f eed on (Answer : A)
???????? ???????? ???????????? a) ants ????b) b) fruits ????c) c) leaves ????d)d) roots
???????????? 268 ???? ????Red data book contains data of (Answer : D)
???????? ???????? ???????????? a) all plant species ????b) all animal species ????c) economically important species ????d)threatened
species
???????????? 269 ???? ????Silent Spring is a well known book written by (Answer : C)
???????? ???????? ???????????? a) John Miller ????b) Charles Darwin ????c) Rachel Carson ????d)Aldoleopold
???????????? 270 ???? ????The drug morphine is extr acted from ............... plant (Answer : C)
???????? ???????? ???????????? a) Cocoa ????b) Belladonna ????c) Opium Poppy ????d)Tannin
???????????? 271 ???? ????The first global environmental protection treaty The Montreal Protocol was signed on Sept. 26. (Answer
: D)
???????? ???????? ???????????? a) 1985 ????b) 1990 ????c) 1981 ????d)1987
???????????? 272 ???? ????The most important reason f or decrease in biodiversity is (Answer : D)
???????? ???????? ???????????? a) habitat pollution ????b) introduction of exotic species ????c) overexploitation ????d)habitat destruction
???????????? 273 ???? ????The only ape f ound in India (Answer : C)
???????? ???????? ???????????? a) Gorilla ????b) Chimpanzee ????c) Hoolock gibbon ????d)Or anguttan
???????????? 274 ???? ????Which of the f ollowing is a biodiversity hot sport in India? (Answer : A)
???????? ???????? ???????????? a) Western Ghats ????b) Nandadevi ????c) Eastern Ghats ????d)Ar avalli
???????????? 275 ???? ????Which of the f ollowing region has maximum diversity? (Answer : D)
???????? ???????? ???????????? a) mangroves ????b) temper ate r ainf orest ????c) taiga d ????d)cor al reefs
???????????? 276 ???? ????Which plants die after flowering? (Answer : B)
???????? ???????? ???????????? a) Lotus ????b) Bamboo ????c) Chrysanthemum ????d)Butea
???????????? 277 ???? ????Which tree is known as Cor al tree? (Answer : C)
???????? ???????? ???????????? a) Quercus ????b) Dipterocarps ????c) Erythrina ????d)Zizypus
???????????? 278 ???? ????Salim Ali Centre f or Ornithology and Natur al history is located at ______ (Answer : D)
???????? ???????? ???????????? a) Pune ????b) Hyder abad ????c) Ker ala ????d)Coimbatore
???????????? 279 ???? ????World wildlif e week is observed during (Answer : A)
???????? ???????? ???????????? a) First week of October ????b) Last week of October ????c) Third week of October ????d)First week of
September
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???????????? 12 ???? ????World Environment Day (Answer : A)
???????? ???????? ???????????? a) 5th June ????b) 5th July ????c) 5th August ????d)5th September
???????????? 13 ???? ????The biggest award f or environmental activities in India is given in the name of an individual. In whose
name is it constituted? (Answer : C)
???????? ???????? ???????????? a) Lal Bahadur Shasthri ????b) Mor ar ji Desai ????c) Indir a Gandhi ????d)Kamar a j.
???????????? 14 ???? ????All f orms of water that comes down on Earth, including r ain, snow, hail etc. is known as _____________
(Answer : C)
???????? ???????? ???????????? a) Calcification ????b) Fixation ????c) Precipitation ????d)Accumulation
???????????? 15 ???? ????The ocean covers ________ percentage of Earth?s surf ace. (Answer : C)
???????? ???????? ???????????? a) 515 ????b) 0.61 ????c) 0.71 ????d)0.91
???????????? 16 ???? ????The portion of the earth and its environment which can support lif e is known as _________ (Answer : B)
???????? ???????? ???????????? a) Crust ????b) Biosphere ????c) Exosphere ????d)Atmosphere
???????????? 17 ???? ????What is troposphere? (Answer : C)
???????? ???????? ???????????? a) Portion of air ????b) Portion of water ????c) Lowest layer of atmosphere where we survive
????d)Portion of sky
???????????? 18 ???? ????The main energy source f or the environment is ________ (Answer : A)
???????? ???????? ???????????? a) Solar energy ????b) Chemical energy ????c) Bioelectric energy ????d)Electrical energy
???????????? 19 ???? ????What is UNCED? (Answer : C)
???????? ???????? ???????????? a) United Nations Conf erence on Education ????b) United Nations Conf erence on Environmental Day
????c) United Nations Conf erence on Environment and Development ????d)None of these.
???????????? 20 ???? ????Atmospheric humidity is measured by (Answer : C)
???????? ???????? ???????????? a) Auxanometer ????b) Photometer ????c) Hygrometer ????d)None
???????????? 21 ???? ????The area to which a species is biologically adapted to live is known (Answer : B)
???????? ???????? ???????????? a) Niche ????b) Habitat ????c) Succession ????d)Community
???????????? 22 ???? ????Study of inter-relationship between organisms and their environment is called (Answer : A)
???????? ???????? ???????????? a) Ecology ????b) Ecosystem ????c) Phytogeogr aphy ????d)Ethology
???????????? 23 ???? ????The term Ecology was coined by (Answer : B)
???????? ???????? ???????????? a) A.G.Tansley ????b) Earnst Haeckel ????c) Aristotle ????d)Linnaeus
???????????? 24 ???? ????An example of an abiotic component (Answer : B)
???????? ???????? ???????????? a) Plants ????b) Soil ????c) Animals ????d)Bacteria
???????????? 25 ???? ????The area to which a species is biologically adapted to live is known (Answer : B)
???????? ???????? ???????????? a) Niche ????b) Habitat ????c) Succession ????d)Community
???????????? 26 ???? ????The objective of environmental education is (Answer : D)
???????? ???????? ???????????? a) Raise consciousness about environmental education ????b) T o teach environmentally appropriate
behaviour ????c) Create an environmental ethic that f osters awareness about ecological inter-dependence of economics,
social and political ????d)All of the above
???????????? 27 ???? ????Which of the f ollowing is not influenced by human activities? (Answer : A)
???????? ???????? ???????????? a) Depletion of ground water ????b) Destruction of mangroves and wetlands ????c) Increased extinction
r ate of species ????d)None of the above
???????????? 28 ???? ????Environmental education is important only at (Answer : D)
???????? ???????? ???????????? a) Primary school stage ????b) Secondary school stage ????c) Collage stage ????d)All stages
???????????? 29 ???? ????Which of the f ollowing conceptual components of the environment are ef f ective tr ansporters of
matter? (Answer : A)
???????? ???????? ???????????? a) Atmosphere and hydrosphere ????b) (b) Atmosphere and lithosphere ????c) (c) Hydrosphere and
lithosphere ????d)(d) Lithosphere and biosphere
???????????? 30 ???? ????Biosphere is (Answer : B)
???????? ???????? ???????????? a) (a) The solid shell of inorganic materials on the surf ace of the Earth ????b) (b) The thin shell of
organic matter on the surf ace of earth comprising of all the living things ????c) (c) The sphere which occupies the
maximum volume of all the spheres ????d)(d) All of the above
???????????? 31 ???? ????Which of the f ollowing conceptual sphere of the environment is having the least stor age capacity f or
matter? (Answer : A)
???????? ???????? ???????????? a) (a) Atmosphere ????b) (b) Lithosphere ????c) (c) Hydrosphere ????d)(d) Biosphere
???????????? 32 ???? ????Which of the f ollowing is an example of impact of development activities on the Hydrosphere? (Answer
: D)
???????? ???????? ???????????? a) (a) Air pollution ????b) (b) Soil pollution ????c) (c) Soil erosion ????d)(d) Water pollution
???????????? 33 ???? ????Weather occurs in the Earths: (Answer : A)
???????? ???????? ???????????? a) (a) Troposhere ????b) (b) Mesophere ????c) (c) Ionosphere ????d)(d) Thermosphere
???????????? 34 ???? ????Biosphere is a term used to represent the: (Answer : C)
???????? ???????? ???????????? a) (a) Entire atmosphere consisting of troposphere, str atosphere, mesosphere, and thermosphere
????b) (b) Entire hydrosphere-representing the entire collection of water over the Earth as well as inside the Earth ????c) (c)
A small zone of Earth, where the lithosphere, hydrosphere, and atmosphere come in contact with one another ????d)(d)
Entire lithosphere-representing the solid Earth and its interior
???????????? 35 ???? ????The term ecology was introduced by: (Answer : A)
???????? ???????? ???????????? a) (a) Haeckel ????b) (b) Odum ????c) (c) Tansely ????d)(d) Ramdeo Mishr a
???????????? 36 ???? ????The study of inter actions between living and non-living organisms and environment is called (Answer :
B)
???????? ???????? ???????????? a) (a) Ecosystem ????b) (b) Ecology ????c) (c) Phyto-geogr aphy ????d)(d) Phytosociology
???????????? 37 ???? ????An ecosystem consist of (Answer : D)
???????? ???????? ???????????? a) (a) Green plants and animals ????b) (b) Green plants and decomposers ????c) (c) Producers and
consumers ????d)(d) Green plants, animals, decomposers and abiotic environment
???????????? 38 ???? ????The environment which has been modified by human activities is called (Answer : B)
???????? ???????? ???????????? a) (a) Natur al environment ????b) (b) Anthropogenic environment ????c) (c) Modem environment ????d)(d)
Urban environment
???????????? 39 ???? ????Which of the f ollowing statements is not true? (Answer : C)
???????? ???????? ???????????? a) (a) Inorganic nutrients are recycled in an ecosystem ????b) (b) Energy flows through the ecosystem
in the f orm of C-C bonds ????c) (c) Energy is recycled in an ecosystem ????d)(d) Respir ation process releases energy
???????????? 40 ???? ????Driving f orce in an ecosystem is (Answer : C)
???????? ???????? ???????????? a) (a) Plants ????b) (b) Producers ????c) (c) Solar energy ????d)(d) Biomass energy
???????????? 41 ???? ????Physical and chemical components of an ecosystem constitute (Answer : C)
???????? ???????? ???????????? a) (a) Biotic structure ????b) (b) Abioltic structure ????c) (c) Both of these ????d)(d) None of these
???????????? 42 ???? ????Which one of the f ollowing is an abiotic component of the ecosystem? (Answer : C)
???????? ???????? ???????????? a) (a) Bacteria ????b) (b) Plants ????c) (c) Humus ????d)(d) Fungi
???????????? 43 ???? ????Which of the f ollowing is a possible producer in an ecosystem? (Answer : A)
???????? ???????? ???????????? a) (a) Plants ????b) (b) Animals ????c) (c) Human beings ????d)(d) Fish
???????????? 44 ???? ????The organisms which f eed on dead organisms and excreta of living organisms are known (Answer : A)
???????? ???????? ???????????? a) (a) Decomposers ????b) (b) Consumers ????c) (c) Producers ????d)(d) Carnivores
???????????? 45 ???? ????A trophic level ref ers to: (Answer : C)
???????? ???????? ???????????? a) (a) Area in the tropics ????b) (b) An organism?s portion in a f ood chain ????c) (c) An organism?s
position in an ecosystem ????d)(d) An organism?s position in a biome
???????????? 46 ???? ????In a f ood chain animals constitute the: (Answer : C)
???????? ???????? ???????????? a) (a) First trophic level ????b) (b) Second trophic level ????c) (c) Intermediate trophic level ????d)(d)
Ultimate trophic level
???????????? 47 ???? ????The f ood chain in which microorganisms breakdown dead producers is called: (Answer : D)
???????? ???????? ???????????? a) (a) Consumer f ood chain ????b) (b) Predator f ood chain ????c) (c) Par asitic f ood chain ????d)(d) Detritus
f ood chain
???????????? 48 ???? ????Food chain starts with (Answer : A)
???????? ???????? ???????????? a) (a) Producer ????b) (b) Herbivores ????c) (c) Carnivores ????d)(d) Omnivores
???????????? 49 ???? ????In a f ood chain, humans are (Answer : D)
???????? ???????? ???????????? a) (a) Secondary consumers ????b) (b) Primary consumer ????c) (c) Producers ????d)(d) Primary and
secondary consumers both
???????????? 50 ???? ????Which one is the correct f ood chain? (Answer : A)
???????? ???????? ???????????? a) (a) Phytoplankton ?? Zooplankton ?? Fish ????b) (b) Zooplankton ?? Phytoplankton ?? Fish ????c)
(c) Zooplankton ?? Protozoans ?? Fish ????d)(d) Gr ass ?? Fish ?? Zooplankton
???????????? 51 ???? ????A f ood web consists of (Answer : A)
???????? ???????? ???????????? a) (a) Interlocking f ood chains ????b) (b) Producers, consumers and decomposers ????c) (c) A portion of
a f ood chain ????d)(d) A set of similar consumers
???????????? 52 ???? ????Food webs are (Answer : C)
???????? ???????? ???????????? a) (a) One kind of f ood ????b) (b) Not related to f ood chains at all ????c) (c) Inter-connected arr angement
of f ood chains ????d)(d) Linear arr angement of f ood chains
???????????? 53 ???? ????Pyr amid of number is given by (Answer : C)
???????? ???????? ???????????? a) (a) Haeckel ????b) (b) Odum ????c) (c) Elton ????d)(d) Tansely
???????????? 54 ???? ????Which ecological pyr amid is always upright? (Answer : C)
???????? ???????? ???????????? a) (a) Pyr amid of number ????b) (b) Pyr amid of biomass ????c) (c) Pyr amid of energy ????d)(d) Pyr amid of
number and biomass
???????????? 55 ???? ????An ecological pyr amid ref ers to the (Answer : D)
???????? ???????? ???????????? a) (a) Pyr amid of energy ????b) (b) Pyr amid of number ????c) (c) Pyr amid of biomass ????d)(d) All of the
above
???????????? 56 ???? ????An ecosystem may not undergo changes because: (Answer : A)
???????? ???????? ???????????? a) (a) It is in a state of homeostasis ????b) (b) It has plants and animals both ????c) (c) It gets solar
energy continuously ????d)(d) The decomposers are present in it
???????????? 57 ???? ????Energy flow in an ecosystem is always: (Answer : A)
???????? ???????? ???????????? a) (a) Unidirectional ????b) (b) Cyclic ????c) (c) Reversible ????d)(d) Multi-directional
???????????? 58 ???? ????The primary producers in a f orest ecosystem are: (Answer : A)
???????? ???????? ???????????? a) (a) Chlorophyll containing trees and plants ????b) (b) Herbivores ????c) (c) Carnivores ????d)(d) Bacteria
and other micro-organism
???????????? 59 ???? ????The desert among the f ollowing which is not a cold desert is: (Answer : D)
???????? ???????? ???????????? a) (a) Golbi desert ????b) (b) Patagonian desert ????c) (c) Atacama desert ????d)(d) Ma java desert
???????????? 60 ???? ????The darker zone in lakes where light penetr ation is negligible is called the: (Answer : D)
???????? ???????? ???????????? a) (a) Euphotic zone ????b) (b) Littor al zone ????c) (c) Limnetic zone ????d)(d) Benthic zone
???????????? 61 ???? ????The zone of a sea lying over the continental shelf is known as the: (Answer : B)
???????? ???????? ???????????? a) (a) Bathyl zone ????b) (b) Neritic zone ????c) (c) Abyssal zone ????d)(d) Littor al zone
???????????? 62 ???? ????Which one of the f ollowing is not a fresh water biome? (Answer : A)
???????? ???????? ???????????? a) (a) Lotic ????b) (b) Lentic ????c) (c) Spings ????d)(d) Deep sea
???????????? 63 ???? ????Tendency of pollutants to become concentr ated in successive trophic levels is known as: (Answer : A)
???????? ???????? ???????????? a) (a) Biomagnification ????b) (b) Biorhythm ????c) (c) Bioremediation ????d)(d) Biopir acy
???????????? 64 ???? ????Eutrophication is: (Answer : B)
???????? ???????? ???????????? a) (a) An improved water quality status of lakes ????b) (b) The result of accumulation of plant nutrients
in water bodies ????c) (c) A process in the carbon cycle ????d)(d) A water purification technique
???????????? 65 ???? ????Increase in f auna and decrease in flor a would be harmf ul due to increase in: (Answer : B)
???????? ???????? ???????????? a) (a) Diseases ????b) (b) CO ????c) (c) O2 ????d)(d) Radioactive pollution
???????????? 66 ???? ????The largest reservoir of nitrogen an our planet is: (Answer : B)
???????? ???????? ???????????? a) (a) Ocean ????b) (b) Atmosphere ????c) (c) Biosphere ????d)(d) Fossil f uels
???????????? 67 ???? ????Overgr azing results in: (Answer : A)
???????? ???????? ???????????? a) (a) Soil erosion ????b) (b) Retention of usef ul species ????c) (c) Productive soils ????d)(d) All of the
above
???????????? 68 ???? ????In the world, the economy of the India is: (Answer : D)
???????? ???????? ???????????? a) (a) Largest ????b) (b) Third largest ????c) (c) Second largest ????d)(d) Fourth largest
???????????? 69 ???? ????In services output, India is: (Answer : C)
???????? ???????? ???????????? a) 10 ????b) 12 ????c) 15 ????d)4
???????????? 70 ???? ?????Smog? is a mixture of (Answer : A)
???????? ???????? ???????????? a) a) Smoke and Fog ????b) (b) Snow and Fog ????c) ( c) Snow and Dust ????d)(d) Sulphur Dioxide and
Fog
???????????? 71 ???? ????A liquid f uel that was f ormed from the ancient remains of sea plants and animals is (Answer : B)
???????? ???????? ???????????? a) Natur al gasb ????b) Petroleumc ????c) Geothermal energyd ????d)Coal
???????????? 72 ???? ????A poisonous gas given out of vehicles exhaust is (Answer : A)
a) Carbon monoxideb ????b) Ethanec ????c) Methaned ????d)Carbon dioxide
???????????? 73 ???? ????A product of photosynthesis is (Answer : C)
???????? ???????? ???????????? a) Carbon dioxideb ????b) Waterc ????c) Oxygend ????d)Chlorophyll
???????????? 74 ???? ????Atmosphere consists of 79 percent Nitrogen and 21 percent Oxygen by (Answer : B)
???????? ???????? ???????????? a) Volumeb ????b) Weightc ????c) Densityd ????d)All of these
???????????? 75 ???? ????Biogas contains mainly (Answer : B)
???????? ???????? ???????????? a) Carbon dioxideb ????b) Methanec ????c) Butaned ????d)Propane
???????????? 76 ???? ????Carbon dioxide constitutes about 0.03% of the atmosphere (Answer : A)
???????? ???????? ???????????? a) By volume(b ????b) By weight(c ????c) By mass(d ????d)None of these
???????????? 77 ???? ????Development activities on the hydrosphere cause (Answer : C)
???????? ???????? ???????????? a) Air pollutionb ????b) Soil pollutionc ????c) Water pollutiond ????d)Soil erosion
???????????? 78 ???? ????Energy flow in an ecosystem is (Answer : C)
???????? ???????? ???????????? a) Bidirectionalb ????b) Unidirectionalc ????c) Multidirectionald ????d)All rounds
???????????? 79 ???? ????Energy from the heat inside the earth is (Answer : B)
???????? ???????? ???????????? a) a Natur al gas ????b) Geothermalc ????c) Petroleumd ????d)Terr athermal
???????????? 80 ???? ????Energy in the r ays from the sun is called (Answer : A)
???????? ???????? ???????????? a) Solar energyb ????b) Wind energyc ????c) Tidal energyd ????d)Water energy
???????????? 81 ???? ????Environment is the lif e support system that includes (Answer : D)
???????? ???????? ???????????? a) Airb ????b) Waterc ????c) Landd ????d)All of the above
???????????? 82 ???? ????Extensive planting of trees to increase cover is called (Answer : A)
???????? ???????? ???????????? a) Af f orestation(b ????b) Agrof orestation(c ????c) Def orestation(d ????d)Social f orestry
???????????? 83 ???? ????Extensive planting of trees to increase f orest cover is called (Answer : A)
???????? ???????? ???????????? a) Af f orestation, b ????b) Agrof orestry, c ????c) Def orestation, d ????d)Social f orestry
???????????? 84 ???? ????Forest and wild lif e are (Answer : A)
???????? ???????? ???????????? a) Renewable resource(b ????b) Non-renewable resources (c ????c) Inexhaustible resources (d ????d)None
of these
???????????? 85 ???? ????Forests prevent soil erosion by binding soil particles in their (Answer : B)
???????? ???????? ???????????? a) Leaves(b ????b) Roots(c ????c) Buds(d ????d)Stems
???????????? 86 ???? ????Formation of hole in Ozone is maximum over (Answer : C)
???????? ???????? ???????????? a) Indiab ????b) Europec ????c) Antarcticad ????d)Africa
???????????? 87 ???? ????Fossil f uel and metallic miner als are: (Answer : C)
???????? ???????? ???????????? a) Renewable resource (b ????b) Inexhaustible resources (c ????c) Non-renewable resources (d ????d)None
of these
???????????? 88 ???? ????Green house ef f ect is linked to (Answer : C)
???????? ???????? ???????????? a) Nitrogen oxidesb ????b) Sulphur dioxidesc ????c) Carbon dioxidesd ????d)Carbon monoxides
???????????? 89 ???? ????In our country the percentage of land under f orest is about: (Answer : B)
???????? ???????? ???????????? a) 20%(b ????b) 19%(c ????c) 25%(d ????d)30%
???????????? 90 ???? ????In respect of water crisis, there have been conflicts/disputes between two countries, or states of the
same country. Which of the f ollowing has never been the case of water conflict? (Answer : D)
???????? ???????? ???????????? a) Cauvery water dispute between Tamil Nadu and Karnataka (b ????b) Yamuna-Betwa dispute between
U.P. and M.P. (c ????c) Sutlej Yamuna Link (SYL ????d)canal dispute between Pun jab and Haryana (d
???????????? 91 ???? ????Instrumentation technology used to locate suitable places f or mining (Answer : C)
???????? ???????? ???????????? a) a) Microscope ????b) b) Salinometer ????c) c) GIS ????d)d) camer a tr ap
???????????? 92 ???? ????Kaveri water dispute is in between: (Answer : D)
???????? ???????? ???????????? a) India and Pakistan (b ????b) Pun jab and Haryana (c ????c) Uttar Pr adesh and Madhya Pr adesh (d
????d)Karnataka and Tamil Nadu
???????????? 93 ???? ????Khetri (Ra jasthan) is f amous f or: (Answer : B)
???????? ???????? ???????????? a) Coal mines(b ????b) Copper mines(c ????c) Gr anite stone(d ????d)Marble stone
???????????? 94 ???? ????Main source of acid r ain is (Answer : A)
???????? ???????? ???????????? a) Sulphur dioxideb ????b) Nitrogenc ????c) Carbon dioxided ????d)Carbon monoxide
???????????? 95 ???? ????Ma jor consumer of wood from f orest is ___________ (Answer : B)
???????? ???????? ???????????? a) Thermal Power Plant ????b) Paper Industry ????c) Chemistry Industry ????d)none
???????????? 96 ???? ????Moisture in the air is known as (Answer : D)
???????? ???????? ???????????? a) a) Water ????b) (b) Fog ????c) ( c) Snow ????d)(d) Humidity
???????????? 97 ???? ????Name the country which virtually closed cod fishery in the 1990?s due to depletion of fish reserves
(Answer : A)
???????? ???????? ???????????? a) a) Canada ????b) b) Argentina ????c) c) Italy ????d)d) India
???????????? 98 ???? ????Name the financial agency which hesistate to support the Sardar Sarovar Pro ject in India in 1993 a result
of the demands of local people threatened with the loss of their livelihoods and homes in the submergence area.
(Answer : B)
???????? ???????? ???????????? a) a) Swiss bank ????b) b) World Bank ????c) c) Bank of India ????d)d) International Monetary Fund
???????????? 99 ???? ????Nitrogen constitutes about 78% of the atmosphere (Answer : C)
???????? ???????? ???????????? a) By weight(b ????b) By mass(c ????c) By volume(d ????d)None of these
???????????? 100 ???? ????Noise is measured by sound meter and the unit is (Answer : C)
???????? ???????? ???????????? a) Hertzb ????b) Joulec ????c) Decibeld ????d)Seconds
???????????? 101 ???? ????One of India?s serious environmental problems is f orest degr adation. What is the main cause of f orest
degr adation? (Answer : A)
???????? ???????? ???????????? a) timber extr action ????b) honey extr action ????c) high altitude ????d)Low Rainf all
???????????? 102 ???? ????Ozone day is observed on (Answer : B)
???????? ???????? ???????????? a) 3rd Januaryb ????b) 16th Septemberc ????c) 10th Novemberd ????d)26th March
???????????? 103 ???? ????Ozone Umbrella is located in which layer of atmosphere (Answer : B)
???????? ???????? ???????????? a) a) Troposphere ????b) (b) Str atosphere ????c) (c) Mesosphere ????d)(d) Ionosphere
???????????? 104 ???? ????Peeling of Ozone umbrella, which protects us from UV r ays, is caused by (Answer : B)
???????? ???????? ???????????? a) Carbon monoxideb ????b) CFCsc ????c) Coal burningd ????d)Methane
???????????? 105 ???? ????Soil erosion removes surf ace soil which contains (Answer : A)
???????? ???????? ???????????? a) Organic matterb ????b) Plant nutrientsc ????c) Both a and bd ????d)none of the above
???????????? 106 ???? ????Sustainable development means (Answer : C)
???????? ???????? ???????????? a) a. meeting present needs without compromising on f uture needs ????b) b. progress of human beings
????c) c. balance between human needs and the ability of earth to provide the resources ????d)d. all of the above
???????????? 107 ???? ????The adverse ef f ect of modern agriculture is (Answer : B)
???????? ???????? ???????????? a) Water pollutionb ????b) Soil degr adationc ????c) Water loggingd ????d)All of the above
???????????? 108 ???? ????The f ossil f uel that is derived from the dead remains of plants that grew some 250 million years ago is
(Answer : C)
???????? ???????? ???????????? a) Petroleumb ????b) Natur al gasc ????c) Coald ????d)LPG
???????????? 109 ???? ????The impact of construction of dams (Answer : D)
???????? ???????? ???????????? a) Submerged f orest b ????b) Loss of wild lif e habitat c ????c) Damages downstream ecosystem d ????d)All
of the above
???????????? 110 ???? ????The ma jor cause f or land degr adation in our country is (Answer : A)
???????? ???????? ???????????? a) Soil erosion(b ????b) Pollution of soil(c ????c) Water-logging(d ????d)None of the above
???????????? 111 ???? ????The ma jor reason f or floods in the rivers Ganges and Br ahmaputr a is ________ (Answer : B)
???????? ???????? ???????????? a) a) Dams in Himalayas ????b) b) Def orestation in Himalayas ????c) c) Heavy r ains ????d)d) Melting of ice
???????????? 112 ???? ????The method of r ainwater harvesting which can be adopted by individual house owners is (Answer : D)
???????? ???????? ???????????? a) Construction of recharge trenches (b ????b) On channel stor age of water (c ????c) Creation of new
water bodies (d ????d)Roof-top r ainwater harvesting
???????????? 113 ???? ????The percentage of total world?s precipitation, which is lost to the atmosphere through evapor ation,
approximates to: (Answer : A)
???????? ???????? ???????????? a) 57%(b ????b) 7%(c ????c) 37%(d ????d)43%
???????????? 114 ???? ????The process of restoring f orests that once existed but was removed at some time in the past is known
as (Answer : B)
???????? ???????? ???????????? a) Af f orestationb ????b) Ref orestationc ????c) Def orestationd ????d)None of these
???????????? 115 ???? ????The share of Hydropower (Hydel pro jects) in worlds commercial electricity production is less than ________
(Answer : D)
???????? ???????? ???????????? a) 2.00% ????b) 4.00% ????c) 12.00% ????d)20.00%
???????????? 116 ???? ????The species restricted to be present in one region are called (Answer : B)
???????? ???????? ???????????? a) Edge speciesb ????b) Endemic species c ????c) Endangered species d ????d)Keystone species
???????????? 117 ???? ????The teeth are likely to be pitted, more susceptible to cavities and wear, when the fluoride concentr ation
is: (Answer : D)
???????? ???????? ???????????? a) More than 2 mg/1 (b ????b) More than 40 mg/1 (c ????c) More than 20 mg/1 (d ????d)More than 4 mg/1
???????????? 118 ???? ????The term ?Environment? has been derived from the French word which means to encircle or surround
(Answer : A)
???????? ???????? ???????????? a) Environb ????b) Oikosc ????c) Geod ????d)Aqua
???????????? 119 ???? ????Wetlands in the flood plains of rivers are also considered as nature?s ________ (Answer : C)
???????? ???????? ???????????? a) a) Heat sink ????b) b) carbon sink ????c) c) flood control systems ????d)d) swimming pool
???????????? 120 ???? ????What are rodenticides? (Answer : C)
???????? ???????? ???????????? a) that kill fishes ????b) that kill insects ????c) that kill r ats ????d)that kill crocos
???????????? 121 ???? ????What is Kyoto Protocol? (Answer : A)
???????? ???????? ???????????? a) a. It is an agreement among countries to take steps f or reducing global warming. ????b) b. It is an
agreement among countries to take steps f or reducing acid r ain. ????c) c. It is an agreement among countries to take steps
f or planting trees to control pollution. ????d)d. It is an agreement among countries to start using nuclear energy.
???????????? 122 ???? ????What is the ma jor limiting f actor in the arid areas of our country? (Answer : C)
???????? ???????? ???????????? a) a) Money ????b) b) f orests ????c) c) water ????d)d) soil
???????????? 123 ???? ????What kind of people are the most ill-af f ected by the construction of dams? (Answer : D)
???????? ???????? ???????????? a) a) Urban dwellers ????b) b) beach dwellers ????c) c) tourists ????d)d) tribal people
???????????? 124 ???? ????When fluoride concentr ation in H2O exceeds about 1.5 mg/1, the disease that may be caused, is
(Answer : B)
???????? ???????? ???????????? a) Dental caries in children(b ????b) Fluorosis(c ????c) Polymyelitis(d ????d)Methemoglobinemia
???????????? 125 ???? ????Which among the f ollowing is a sedimentary type of cycle? (Answer : A)
???????? ???????? ???????????? a) Sulphur cycle(b ????b) Nitrogen cycle(c ????c) Oxygen cycle(d ????d)Carbon cycle
???????????? 126 ???? ????Which gas is responsible f or ozone layer depletion around earth? (Answer : B)
???????? ???????? ???????????? a) Carbon dioxideb ????b) Chlorofluorocarbonsc ????c) Oxygend ????d)Nitrogen oxide
???????????? 127 ???? ????Which gas is responsible f or the global warming? (Answer : B)
???????? ???????? ???????????? a) Nitrogenb ????b) Carbon dioxidec ????c) Noble gasesd ????d)Hydrogen
???????????? 128 ???? ????Which is a list of renewable resources? (Answer : D)
???????? ???????? ???????????? a) Petroleum, geothermal, wind b ????b) Biomass, geothermal, hydropower c ????c) Natur al gas, wind,
biomass d ????d)Hydropower, solar, wind energy
???????????? 129 ???? ????Which is the only country who has not r atified the Kyoto Protocol yet? (Answer : A)
???????? ???????? ???????????? a) United States ????b) Austr alia ????c) Japan ????d)India
???????????? 130 ???? ????Which of below items is the ma jor sector which extr acts most of fresh water available f or utilization?
(Answer : D)
???????? ???????? ???????????? a) domestic use ????b) drinking water ????c) bever age industry ????d)agriculture
???????????? 131 ???? ????Which of the f ollowing are consequences of ozone depletion (Answer : A)
???????? ???????? ???????????? a) Skin cancer and catar actb ????b) Reduced growth in plants c ????c) Shortening of zooplanktons and
their breeding period d ????d)All of the above
???????????? 132 ???? ????Which of the f ollowing are ma jor environmental issues involved in mining? (Answer : D)
???????? ???????? ???????????? a) air pollutionb ????b) water pollutionc ????c) soil degr adationd ????d)all of the above
???????????? 133 ???? ????Which of the f ollowing ef f ect is responsible f or Global Warming? (Answer : A)
???????? ???????? ???????????? a) Green house ef f ectb ????b) Radioactive ef f ectc ????c) Solar ef f ectd ????d)Nuclear ef f ect
???????????? 134 ???? ????Which of the f ollowing is management option f or air pollution? (Answer : D)
???????? ???????? ???????????? a) Regulations and standardsb ????b) Tr ansport planningc ????c) Using CNG as f ueld ????d)All of these
???????????? 135 ???? ????Which of the f ollowing is not a method f or water conservation? (Answer : B)
???????? ???????? ???????????? a) Rainwater harvesting(b ????b) Groundwater extr action (c ????c) Improving irrigation ef ficiency (d
????d)Avoiding water wastage
???????????? 136 ???? ????Which of the f ollowing is not a viable protection against def orestation? (Answer : C)
???????? ???????? ???????????? a) Reduce the consumption of f orest and related products (b ????b) Boycott products of companies
involve in def orestation (c ????c) Privatisation of f orest land (d ????d)Environmental education
???????????? 137 ???? ????Which of the f ollowing is not influenced by human activities? (Answer : D)
???????? ???????? ???????????? a) Destruction of mangroves and wetlands b ????b) Depletion of ground water c ????c) Increased
extinction r ate of species d ????d)None of the above
???????????? 138 ???? ????Which of the f ollowing is not true about def orestation? (Answer : C)
???????? ???????? ???????????? a) Population explosion is one of the reasons f or def orestation (b ????b) Cleaning of f orest f or
agriculture causes def orestation. (c ????c) Def orestation is taking place only in developing courtiers. (d ????d)Cash crop
economy of third world is a cause of def orestation.
???????????? 139 ???? ????Which of the f ollowing is responsible f or desertification? (Answer : D)
???????? ???????? ???????????? a) Def orestation(b ????b) Mining(c ????c) Overgr azing(d ????d)All of the above
???????????? 140 ???? ????Which of the f ollowing statements about the f orest is not correct? (Answer : D)
???????? ???????? ???????????? a) Forest reduces soil erosion (b ????b) Provides recreational opportunities (c ????c) Provides economic
development (d ????d)None of the above
???????????? 141 ???? ????Which of these is not a f ossil f uel? (Answer : D)
???????? ???????? ???????????? a) Coalb ????b) Oilc ????c) Natur al gasd ????d)Ur anium
???????????? 142 ???? ????Which one of the f ollowing is not an ideal solution f or tackling water shortages? (Answer : D)
???????? ???????? ???????????? a) Controlling population growth (b ????b) Conserving water in irrigation (c ????c) Controlling water
pollution (d ????d)Drilling large number of deep bore wells
???????????? 143 ???? ????Which one of the f ollowing regions in India is a hotspot of biodiversity? (Answer : B)
???????? ???????? ???????????? a) Sundarbansb ????b) Western Ghatsc ????c) Eastern Ghatsd ????d)Gangetic plains
???????????? 144 ???? ????World environment day is on: (Answer : B)
???????? ???????? ???????????? a) 5th Mayb ????b) 5th Junec ????c) 18th Julyd ????d)16th August
???????????? 145 ???? ????World Forest day is celebr ated on (Answer : A)
???????? ???????? ???????????? a) 21st March b ????b) 5th June c ????c) 1st Dec d ????d)7th June
???????????? 146 ???? ????Yellowing of Ta j Mahal is an ef f ect of (Answer : A)
???????? ???????? ???????????? a) Acid r ainb ????b) Global warmingc ????c) Ozone depletiond ????d)All of the above
???????????? 147 ???? ????Green Revolution in India was initiated by __________ (Answer : A)
???????? ???????? ???????????? a) M.S. Swaminathan ????b) Sunderlal Bahuguna ????c) Kurien ????d)Medha Patkar
???????????? 148 ???? ????Who wrote the book Violence of Green Revolution (Answer : A)
???????? ???????? ???????????? a) Vandana Siva ????b) Sheela Dikshit ????c) Menaka Gandhi ????d)Arundhathi Roy.
???????????? 149 ???? ????World Forest day is celebr ated on (Answer : A)
???????? ???????? ???????????? a) 21st March ????b) 5th June ????c) 1st Dec ????d)7th June
???????????? 150 ???? ????The Chipko movement is started by (Answer : B)
???????? ???????? ???????????? a) Engler ????b) Sunderlal Bahuguna ????c) Medha Padkar ????d)None of these
???????????? 151 ???? ????Green revolution is associated with _________ (Answer : B)
???????? ???????? ???????????? a) sericulture ????b) Agriculture ????c) Fish culture ????d)silviculture
???????????? 152 ???? ????Which gas is likely to be reduced in the atmosphere by def orestation? (Answer : C)
???????? ???????? ???????????? a) Carbon dioxide ????b) Nitrogen ????c) Oxygen ????d)Sulphur dioxide
???????????? 153 ???? ????Extensive planting of trees to increase f orest cover is called (Answer : A)
???????? ???????? ???????????? a) Af f orestation ????b) Agrof orestry ????c) Def orestation ????d)Social f orestry
???????????? 154 ???? ????Soil erosion can be prevented by (Answer : B)
???????? ???????? ???????????? a) Def orestation ????b) Af f orestation ????c) Overgr azing ????d)Removal of vegetation
???????????? 155 ???? ????The components of LPG are _____________ (Answer : B)
???????? ???????? ???????????? a) Methane & Hexane ????b) Propane & Butane ????c) Ethane & Methane ????d)Propane & Ethane
???????????? 156 ???? ????Which of the f ollowing is the most responsible f or world water crisis? (Answer : C)
???????? ???????? ???????????? a) Dams ????b) Floods ????c) Drought ????d)Population growth
???????????? 157 ???? ????The resources that can be replaced by natur al ecological cycle is called (Answer : A)
???????? ???????? ???????????? a) Renewable ????b) Non-renewable ????c) exhaustible ????d)natur al
???????????? 158 ???? ????The amount of solar r adiation reaching the surf ace of the earth is called (Answer : A)
???????? ???????? ???????????? a) Solar flux ????b) reflected light ????c) miner als ????d)solvents
???????????? 159 ???? ????The most harmf ul of ultr aviolet r adiations are (Answer : A)
???????? ???????? ???????????? a) UV-C ????b) UV-B ????c) UV-A ????d)All the above
???????????? 160 ???? ????A renewable source of energy is (Answer : D)
???????? ???????? ???????????? a) Petroleum ????b) Coal ????c) Nuclear f uel ????d)Trees
???????????? 161 ???? ????The capacity to do work is termed as (Answer : D)
???????? ???????? ???????????? a) Power ????b) Force ????c) Strength ????d)Energy
???????????? 162 ???? ????The unit of total water content of the soil is known as (Answer : A)
???????? ???????? ???????????? a) Holard ????b) Chr aserd ????c) Echard ????d)All of the above
???????????? 163 ???? ????Pedology? (Answer : C)
???????? ???????? ???????????? a) Study of water ????b) Study of air ????c) Study of soil ????d)none
???????????? 164 ???? ????What is def orestation? (Answer : B)
???????? ???????? ???????????? a) Product of f orest ????b) Destruction of f orest ????c) Forest Protection ????d)none
???????????? 165 ???? ????Def orestation gener ally decreases (Answer : D)
???????? ???????? ???????????? a) Global Warming ????b) Drought ????c) Soil erosion ????d)Rainf all
???????????? 166 ???? ????Which among the f ollowing result in the f ormation of soil? (Answer : B)
???????? ???????? ???????????? a) Radiation ????b) Weathering ????c) Erosion ????d)Pollution
???????????? 167 ???? ????Mulching helps in (Answer : B)
???????? ???????? ???????????? a) soil f ertility ????b) moisture conservation ????c) improvements soil structure ????d)soil sterility
???????????? 168 ???? ????........................ is an example of ?bottom f eeders?. (Answer : A)
???????? ???????? ???????????? a) Cat fish ????b) Frog ????c) Snake ????d)Tadpole ????e)
???????????? 169 ???? ????..................... trees shed their leaves during winter and hot summer. (Answer : C)
???????? ???????? ???????????? a) (a) ever green ????b) b) conif erous ????c) c) deciduous ????d)d) Shola
???????????? 170 ???? ????...................... is a cold desert in India (Answer : B)
???????? ???????? ???????????? a) Thar ????b) Ladakh ????c) Ran of Kutch ????d)Bhopal
???????????? 171 ???? ????A lake ecosystem f unctions as a (Answer : A)
???????? ???????? ???????????? a) Ter ai ????b) Shola gr asslands ????c) Semi arid plains ????d)Himalayan pastures
???????????? 172 ???? ????An example of nitrogen fixing bacteria in the soil (Answer : C)
???????? ???????? ???????????? a) Rhizobium ????b) Nostoc ????c) Azotobacter ????d)Nitrobacter
???????????? 173 ???? ????An example of one way ecological cycle is (Answer : C)
???????? ???????? ???????????? a) carbon dioxide cycle ????b) water cycle ????c) energy cycle ????d)oxygen cycle
???????????? 174 ???? ????Br ackish water ecosystems in river deltas are among (Answer : B)
???????? ???????? ???????????? a) Least productive ecosystems ????b) Most productive in terms of biomass production ????c) c)
Unproductive d) Stagnant ecosystems ????d)
???????????? 175 ???? ????Ecology is (Answer : C)
???????? ???????? ???????????? a) The science that studies the evolution of lif e, ????b) b) Integr ates both social and natur al sciences to
help us understand how the earth works, ????c) c) The study of the relationships between organisms and their
environment ????d)d) The study of the environment in the absence of humans
???????????? 176 ???? ????Forests grow in high r ain f all areas are (Answer : A)
???????? ???????? ???????????? a) (a) ever green f orests ????b) b) temper ate f orests ????c) c) conif ers ????d)d) Tundr a
???????????? 177 ???? ????Fungi is a (Answer : D)
???????? ???????? ???????????? a) Macroconsumer ????b) Producer ????c) Carnivore d ????d)Microconsumer
???????????? 178 ???? ????Nitrogen fixing blue green alga (Answer : C)
???????? ???????? ???????????? a) Clostridium ????b) Rhizobium ????c) Nostoc ????d)Nitrosomonas
???????????? 179 ???? ????Nitrogen gas returns to the atmosphere by the action of (Answer : B)
???????? ???????? ???????????? a) Nitrogen fixing bacteria ????b) Denitrif ying bacteria ????c) Nitrif ying bacteria ????d)Nitr ate f ertilizers
???????????? 180 ???? ????Patches of tall gr asslands interspersed with Sal f orest ecosystem is (Answer : A)
???????? ???????? ???????????? a) ????b) ????c) ????d)
???????????? 181 ???? ????Ramsar Convention ref ers to the conservation of ____________ (Answer : B)
???????? ???????? ???????????? a) (a) Deserts ????b) b) Wetlands ????c) c) Agriculture lands, ????d)d) Forest land
???????????? 182 ???? ????Some species whose removal can af f ect the survival of an ecosystem are called (Answer : B)
???????? ???????? ???????????? a) ????b) b) Keystone species ????c) c) Producers ????d)d) Carnivores
???????????? 183 ???? ????Sunderbans is home to (Answer : B)
???????? ???????? ???????????? a) Giant permanent pond ????b) Tempor ary aquatic system ????c) Simplest aquatic ecosystem ????d)Water
tank
???????????? 184 ???? ????The conversion of ammonia to nitr ate is known as ________ (Answer : B)
???????? ???????? ???????????? a) (a) ammonification ????b) b) nitrification ????c) c) denitrification ????d)d) all of these
???????????? 185 ???? ????The f orests which occur in law r ain f all area is (Answer : B)
???????? ???????? ???????????? a) (a) Evergreen f orests ????b) b) deciduous f orests ????c) c) Conif erous f orest ????d)d) All the above.
???????????? 186 ???? ????The inherent ability of organisms to reproduce and multiply is called, (Answer : B)
???????? ???????? ???????????? a) C value ????b) b) biotic potential ????c) c) carrying capacity ????d)d) K value
???????????? 187 ???? ????The largest br ackish water lake situated in Asia is in Orissa. Which is the lake? (Answer : A)
???????? ???????? ???????????? a) (a) Chilka lake ????b) b) Vembanad lake ????c) c) Woolar lake ????d)d) Dal lake
???????????? 188 ???? ????The Little Rann of Kutch is home to (Answer : D)
???????? ???????? ???????????? a) Horse ????b) b) Great Indian Bustard ????c) c) Lion ????d)d) Wild Ass
???????????? 189 ???? ????The presence of which is necessary f or photosynthesis (Answer : B)
???????? ???????? ???????????? a) (a) Chlorof orm ????b) b) Chlorophyll ????c) c) Phosphorus ????d)d) Polymer
???????????? 190 ???? ????The process through which ecosystems tend to change after a period of time is called (Answer : A)
???????? ???????? ???????????? a) ????b) ????c) ????d)
???????????? 191 ???? ????The species that flower are called (Answer : C)
???????? ???????? ???????????? a) (a) gymnosperms ????b) b) bryophytes ????c) c) angiosperms ????d)d) algae
???????????? 192 ???? ????The term ?Eco? implies (Answer : A)
???????? ???????? ???????????? a) Environment ????b) Ecotone ????c) Ecotourism ????d)Soil
???????????? 193 ???? ????The term ?Ecology? was coined by (Answer : B)
???????? ???????? ???????????? a) A.G.Tansley ????b) Earnst Haeckel ????c) Aristotle ????d)Linnaeus
???????????? 194 ???? ????The word Biophilia was coined by (Answer : D)
???????? ???????? ???????????? a) Dr. Hackel ????b) Dr.Johanssen ????c) Dr. Ben jamine ????d)E. O. Wilson
???????????? 195 ???? ????What is Dendrology? (Answer : C)
???????? ???????? ???????????? a) Study of Plants ????b) Study of Butterflies ????c) Study of Trees ????d)None of these
???????????? 196 ???? ????What is edge species? (Answer : A)
???????? ???????? ???????????? a) The species which occur abundantly in the ecotone ????b) b) Species on the verge of extinction ????c)
c) Rare species ????d)d) Endemic species
???????????? 197 ???? ????What is symbiosis? (Answer : C)
???????? ???????? ???????????? a) Study of distribution of related species ????b) b) Association between members of same species
????c) c) Association between members of two species ????d)d) None
???????????? 198 ???? ????When number of f ood chains is interlocked this is called (Answer : C)
???????? ???????? ???????????? a) f ood link ????b) f ood chain ????c) f ood web ????d)pyr amid
???????????? 199 ???? ????Which is an example f or sedimentary biogeochemical cycle (Answer : D)
???????? ???????? ???????????? a) Oxygen cycle ????b) Nitrogen cycle ????c) Water cycle ????d)Phosphorus cycle
???????????? 200 ???? ????Which is the second largest in species richness? (Answer : C)
???????? ???????? ???????????? a) Desert ????b) b) Tundr a ????c) c) Cor al reefs ????d)d) Flowing water
???????????? 201 ???? ????Gr assland of USA is ref erred to as (Answer : A)
???????? ???????? ???????????? a) Pr airies ????b) Steppes ????c) Pampas ????d)Veldts
???????????? 202 ???? ????The complex network of interconnected f ood chains is called ___________ (Answer : B)
???????? ???????? ???????????? a) Trophic level ????b) Food web ????c) Ecological pyr amid ????d)Ecology chain
???????????? 203 ???? ????The animal which consumes decaying organic matter is _________ (Answer : B)
???????? ???????? ???????????? a) Carnivore ????b) Detritivore ????c) Herbivore ????d)Producers
???????????? 204 ???? ????An ecosystem gr adually merges with an adjoining one through a tr ansitional zone is called the
______________ (Answer : C)
???????? ???????? ???????????? a) Ecological niche ????b) ecological f ootprint ????c) ecotone ????d)Shore ef f ect
???????????? 205 ???? ????The Primary Consumers are also called as (Answer : A)
???????? ???????? ???????????? a) Herbivores ????b) Carnivores ????c) Enzymes ????d)None of these
???????????? 206 ???? ????The f orests which occur in law r ain f all area is called (Answer : B)
???????? ???????? ???????????? a) Evergreen f orests ????b) deciduous f orests ????c) Conif erous f orest ????d)All the above
???????????? 207 ???? ????Favor able morphological and physiological response to a change in environment is called (Answer : D)
???????? ???????? ???????????? a) Preadaptation ????b) Ecotyping ????c) Formation of ecophenes ????d)Acclimatization
???????????? 208 ???? ????Plants adapted to open, sunny habitats are (Answer : B)
???????? ???????? ???????????? a) Sciophytes ????b) Heliophytes ????c) Mesophytes ????d)Epiphytes
???????????? 209 ???? ????Temper ate f orests occur in India in (Answer : B)
???????? ???????? ???????????? a) Indo-gangetic plains ????b) Himalayas ????c) Eastern India ????d)Southern peninsula
???????????? 210 ???? ????In India, tropical evergreen f orests occur in (Answer : C)
???????? ???????? ???????????? a) Himachal Pr adesh ????b) Madhya Pr adesh ????c) Assam ????d)Tamil Nadu
???????????? 211 ???? ????Which one is natures cleaner? (Answer : C)
???????? ???????? ???????????? a) Consumers ????b) Producers ????c) Decomposers and Scavengers ????d)Symbionts
???????????? 212 ???? ????The relationship between nitrogen fixing bacteria and leguminous plants is an example f or (Answer : C)
???????? ???????? ???????????? a) Par asitism ????b) Predation ????c) Mutualism ????d)Symbiosis
???????????? 213 ???? ????______ trees shed their leaves during winter and hot summer. (Answer : C)
???????? ???????? ???????????? a) Ever green ????b) Conif erous ????c) Deciduous ????d)Shola
???????????? 214 ???? ????Thorn f orests are f ound in the_______ regions (Answer : A)
???????? ???????? ???????????? a) Semi-arid ????b) High r ain f all areas ????c) Low temper ature ????d)Frozen areas
???????????? 215 ???? ????________ is a cold desert in India (Answer : B)
???????? ???????? ???????????? a) Thar ????b) Ladakh ????c) Ran of Kutch ????d)Bhopal
???????????? 216 ???? ????______ is an example of bottom f eeders (Answer : A)
???????? ???????? ???????????? a) Cat fish ????b) Frog ????c) Snake ????d)Tadpole
???????????? 217 ???? ????A Hawk that eats a frog is a (Answer : D)
???????? ???????? ???????????? a) Producer ????b) Primary Consumer ????c) Secondary Consumer ????d)Tertiary Consumer
???????????? 218 ???? ????An example of lotic system (Answer : B)
???????? ???????? ???????????? a) Pond ????b) River ????c) Lake ????d)Reservoir
???????????? 219 ???? ????Complex interlinked f ood chains are called (Answer : A)
???????? ???????? ???????????? a) Food Web ????b) Food net work ????c) Trophic levels ????d)Food pyr amid
???????????? 220 ???? ????Lotic ecosystem ref ers to (Answer : B)
???????? ???????? ???????????? a) Static water system ????b) Ecosystem of flowing water ????c) Ecosystem of estuaries ????d)Deep
marine water system
???????????? 221 ???? ????Autotrophs are ______________ (Answer : D)
???????? ???????? ???????????? a) Consumers ????b) Herbivores ????c) Saprophytes ????d)Producers
???????????? 222 ???? ????Organisms which depened on Producers f or nutrition are called (Answer : C)
???????? ???????? ???????????? a) Autotrophs ????b) Saprophytes ????c) Consumers ????d)Xerophytes
???????????? 223 ???? ????The source of atmospheric oxygen is (Answer : B)
???????? ???????? ???????????? a) Nitrogen cycle ????b) Green Plants ????c) Water ????d)Carbon Cycle
???????????? 224 ???? ????Plants which grow in shade are called (Answer : A)
???????? ???????? ???????????? a) Sciophytes ????b) Heliophytes ????c) Oxylophytes ????d)Epiphytes
???????????? 225 ???? ????Photosynthesis is f ound in (Answer : A)
???????? ???????? ???????????? a) Producers ????b) Decomposers ????c) Consumers ????d)Scavengers
???????????? 226 ???? ????Phytoplankton are (Answer : B)
???????? ???????? ???????????? a) Producers of f orest ????b) Producers of lakes ????c) Consumers of Ocean ????d)Omnivores
???????????? 227 ???? ????Gas released during photosynthesis is (Answer : C)
???????? ???????? ???????????? a) Methane ????b) Nitrogen ????c) Oxygen ????d)Carbon dioxide
???????????? 228 ???? ????The ma jor reservoir of carbon is (Answer : B)
???????? ???????? ???????????? a) The atmosphere ????b) Ocean Bed ????c) Plant and animals ????d)Rock
???????????? 229 ???? ????The simplest aquatic ecosystem can be seen in a (Answer : C)
???????? ???????? ???????????? a) River ????b) Lake ????c) Pond ????d)Water Tank
???????????? 230 ???? ????What is hibernation and aestivation? (Answer : A)
???????? ???????? ???????????? a) Thermal adaptation shown by animals ????b) wind adaptation shown by animals ????c) adaptation of
animals to escape from predators ????d)None
???????????? 231 ???? ????What is lentic habitat ? (Answer : B)
???????? ???????? ???????????? a) Running water habitat ????b) Standing or still water habitat ????c) Marine habitat ????d)None
???????????? 232 ???? ????What is lotic habitat? (Answer : C)
???????? ???????? ???????????? a) Standing or still water habitat ????b) Marine habitat ????c) Running water habitat ????d)Stagnant water
???????????? 233 ???? ????What is Plankton? (Answer : A)
???????? ???????? ???????????? a) Microscopic floating organisms ? Plants and animals. ????b) bottom dwelling aquatic organisms ????c)
Large plants in water ????d)None
???????????? 234 ???? ????What is Canopy? (Answer : A)
???????? ???????? ???????????? a) Uppermost level of the f orest ????b) Ground level of the f orest ????c) Soil in f orest ????d)Climbers on
trees
???????????? 235 ???? ????North American gr assland are called (Answer : B)
???????? ???????? ???????????? a) Pampas ????b) Pr airies ????c) Savannah ????d)None
???????????? 236 ???? ????African gr asslands are called (Answer : C)
???????? ???????? ???????????? a) Pr airies ????b) Pampas ????c) Savannah ????d)None
???????????? 237 ???? ????Green plants are absent in deep sea. Why? (Answer : A)
???????? ???????? ???????????? a) Light is absent ????b) High pressure ????c) low temper ature ????d)Great depth
???????????? 238 ???? ????What is desertification? (Answer : D)
???????? ???????? ???????????? a) Conversion of f orests into desert ????b) Conversion of croplands into desert ????c) Conversion of
gr assland into desert ????d)all of the above
???????????? 239 ???? ????The first trophic level in a f ood chain (Answer : A)
???????? ???????? ???????????? a) Green Plants ????b) Herbivores ????c) Carnivores ????d)Bacteria
???????????? 240 ???? ????Sulphur bacteria are examples of (Answer : D)
???????? ???????? ???????????? a) Carnivores ????b) Heterotrophs ????c) Saprophytes ????d)Autotrophs
???????????? 241 ???? ????Green Land biome (Answer : B)
???????? ???????? ???????????? a) Tundr a ????b) Pampas ????c) Taiga ????d)Thaar.
???????????? 242 ???? ????What is deep ecology? (Answer : A)
???????? ???????? ???????????? a) Protecting nature f or its own sake ????b) Ecology of deep sea ????c) Ecology of f orest ????d)Ecology of
caves
???????????? 243 ???? ????Cor al reefs in India can be seen in (Answer : B)
???????? ???????? ???????????? a) Himalayan region ????b) Andaman and Nicobar Islands ????c) Uttarpr adesh ????d)Mahar ashtr a
???????????? 244 ???? ????____________ is one of the most endangered species of Indian birds (Answer : D)
???????? ???????? ???????????? a) Bee eater ????b) Par adise fly catcher ????c) Owl ????d)The great Indian bustard
???????????? 245 ???? ????................. species is known as Azadir achta Indica (Answer : A)
???????? ???????? ???????????? a) Neem ????b) Mango ????c) Jackfruit ????d)Banana
???????????? 246 ???? ????.................... is a marine tortoise which shows the unique phenomenon ?arribada? (Answer : A)
???????? ???????? ???????????? a) Olive Ridley ????b) Star T ortoise ????c) Tr avancore T ortoise ????d)b & c
???????????? 247 ???? ????.................... tree is known as ?flame of the f orest?? (Answer : B)
???????? ???????? ???????????? a) Zizyphus ????b) Butea monosperma ????c) Jackfruit ????d)Pongamea
???????????? 248 ???? ????All are insitu conservation ef f orts except (Answer : C)
???????? ???????? ???????????? a) National parks ????b) Sanctuaries ????c) Zoo ????d)
???????????? 249 ???? ????Approximately, 50% of total world species are present on (Answer : A)
???????? ???????? ???????????? a) tropical r ain f orest ????b) temper ate r ain f orest ????c) temper ate deciduous f orest d ????d)cor al reefs
???????????? 250 ???? ????Bears are usually hunted and killed f or their (Answer : B)
???????? ???????? ???????????? a) Teeth ????b) Skin ????c) Gall bladder ????d)Nails
???????????? 251 ???? ????Biodiversity (Answer : A)
???????? ???????? ???????????? a) increases towards the equator ????b) decreases towards the equator ????c) remains same throughout
the planet d ????d)has no ef f ect on change in latitude
???????????? 252 ???? ????Black Buck is a (Answer : B)
???????? ???????? ???????????? a) Goat ????b) Deer ????c) Butterfly ????d)Bird
???????????? 253 ???? ????Blue whale is placed under (Answer : A)
???????? ???????? ???????????? a) endangered ????b) critically endangered ????c) r are ????d)d) extinct
???????????? 254 ???? ????Conservation within the natur al habitat is (Answer : A)
???????? ???????? ???????????? a) insitu conservation ????b) exsitu conservation ????c) invivo conservation ????d)d) exvivo conservation
???????????? 255 ???? ????Cor al reefs in India can be seen in (Answer : B)
???????? ???????? ???????????? a) Himalayan region ????b) Andaman and Nicobar Islands ????c) Uttarpr adesh ????d)Mahar ashtr a
???????????? 256 ???? ????Dodo is (Answer : D)
???????? ???????? ???????????? a) endangered ????b) b) critically endangered ????c) c) r are ????d)d) extinct
???????????? 257 ???? ????Endemic species are (Answer : B)
???????? ???????? ???????????? a) r are species ????b) b) species localised in a specific region ????c) c) cosmopolitan in distribution d)
critically endangered species ????d)
???????????? 258 ???? ????Ex situ conservation includes (Answer : D)
???????? ???????? ???????????? a) Zoo ????b) Botanic garden ????c) c) Germplasm bank ????d)d) all of the above
???????????? 259 ???? ????Gharial is a (Answer : A)
???????? ???????? ???????????? a) Crocodile ????b) b) Cobr a ????c) c) T ortoise ????d)d) Frog
???????????? 260 ???? ????Herpetology is a br anch of Science which deals with (Answer : C)
???????? ???????? ???????????? a) Aves ????b) Mammals ????c) Reptiles ????d)Fishes
???????????? 261 ???? ????Hot spots are regions of high (Answer : B)
???????? ???????? ???????????? a) r arity ????b) b) endemism ????c) c) critically endangered population d) diversity ????d)d) diversity
???????????? 262 ???? ????India is primary centre of domestication of (Answer : D)
???????? ???????? ???????????? a) Sheep ????b) Goat ????c) Water Buf f alo ????d)Elephants
???????????? 263 ???? ????IUCN (The International Union For Conservation Of Nature And Natur al Resources) headquarters is at
(Answer : A)
???????? ???????? ???????????? a) Morges, Switzerland ????b) Paris, Fr ance ????c) Vienna, Austria d ????d)NewYork, USA
???????????? 264 ???? ????IUCN is also called as (Answer : B)
???????? ???????? ???????????? a) Man and Biosphere progr am ????b) World Conservation Union ????c) World Conservation Consortium
d ????d)World Wide Conservation Union
???????????? 265 ???? ????Killing of animals disturbs (Answer : C)
???????? ???????? ???????????? a) Good f or eco system ????b) Good f or man ????c) The balance of nature ????d)None
???????????? 266 ???? ????MAB progr am stands f or (Answer : D)
???????? ???????? ???????????? a) Man and biotechnology ????b) Material and biology ????c) Man and Biology ????d)Man and Biosphere
???????????? 267 ???? ????Pangolins f eed on (Answer : A)
???????? ???????? ???????????? a) ants ????b) b) fruits ????c) c) leaves ????d)d) roots
???????????? 268 ???? ????Red data book contains data of (Answer : D)
???????? ???????? ???????????? a) all plant species ????b) all animal species ????c) economically important species ????d)threatened
species
???????????? 269 ???? ????Silent Spring is a well known book written by (Answer : C)
???????? ???????? ???????????? a) John Miller ????b) Charles Darwin ????c) Rachel Carson ????d)Aldoleopold
???????????? 270 ???? ????The drug morphine is extr acted from ............... plant (Answer : C)
???????? ???????? ???????????? a) Cocoa ????b) Belladonna ????c) Opium Poppy ????d)Tannin
???????????? 271 ???? ????The first global environmental protection treaty The Montreal Protocol was signed on Sept. 26. (Answer
: D)
???????? ???????? ???????????? a) 1985 ????b) 1990 ????c) 1981 ????d)1987
???????????? 272 ???? ????The most important reason f or decrease in biodiversity is (Answer : D)
???????? ???????? ???????????? a) habitat pollution ????b) introduction of exotic species ????c) overexploitation ????d)habitat destruction
???????????? 273 ???? ????The only ape f ound in India (Answer : C)
???????? ???????? ???????????? a) Gorilla ????b) Chimpanzee ????c) Hoolock gibbon ????d)Or anguttan
???????????? 274 ???? ????Which of the f ollowing is a biodiversity hot sport in India? (Answer : A)
???????? ???????? ???????????? a) Western Ghats ????b) Nandadevi ????c) Eastern Ghats ????d)Ar avalli
???????????? 275 ???? ????Which of the f ollowing region has maximum diversity? (Answer : D)
???????? ???????? ???????????? a) mangroves ????b) temper ate r ainf orest ????c) taiga d ????d)cor al reefs
???????????? 276 ???? ????Which plants die after flowering? (Answer : B)
???????? ???????? ???????????? a) Lotus ????b) Bamboo ????c) Chrysanthemum ????d)Butea
???????????? 277 ???? ????Which tree is known as Cor al tree? (Answer : C)
???????? ???????? ???????????? a) Quercus ????b) Dipterocarps ????c) Erythrina ????d)Zizypus
???????????? 278 ???? ????Salim Ali Centre f or Ornithology and Natur al history is located at ______ (Answer : D)
???????? ???????? ???????????? a) Pune ????b) Hyder abad ????c) Ker ala ????d)Coimbatore
???????????? 279 ???? ????World wildlif e week is observed during (Answer : A)
???????? ???????? ???????????? a) First week of October ????b) Last week of October ????c) Third week of October ????d)First week of
September
???????????? 280 ???? ????Zoological Survey of India is at (Answer : C)
???????? ???????? ???????????? a) Delhi ????b) Mumbai ????c) Kolkata ????d)Chennai
???????????? 281 ???? ????The Salim Ali Bird sanctuary is located at (Answer : B)
???????? ???????? ???????????? a) Pondicherry ????b) Thattekad ????c) Anakkatti ????d)Kalakkadj
???????????? 282 ???? ????Who among the f ollowing is commonly called ?Bird Man of India?? (Answer : A)
???????? ???????? ???????????? a) Salim Ali ????b) M.S. Swaminathan ????c) M.C. Mehta ????d)Raphel Emerson
???????????? 283 ???? ????The phenomenon of occurrence of additional species f ound in the ecotone or tr ansitional zone
between adjoining ecosystems is known as _________ (Answer : A)
???????? ???????? ???????????? a) Edge ef f ect ????b) Root ef f ect ????c) Raman ef f ect ????d)Coolidge ef f ect
???????????? 284 ???? ????A set of organisms that resemble one another in appear ance and behaviour is called a _____________
(Answer : C)
???????? ???????? ???????????? a) Exons ????b) Prions ????c) Species ????d)guilds
???????????? 285 ???? ????All the genes of a population is called (Answer : A)
???????? ???????? ???????????? a) gene pool ????b) Genome ????c) Gene bunch ????d)Gene population
???????????? 286 ???? ????The first protected area in India is ____________ (Answer : B)
???????? ???????? ???????????? a) Silent valley ????b) Corbett National Park ????c) Bandipur sanctuary ????d)Nagar-Hole
???????????? 287 ???? ????The Indian Parliament passed the Biodiversity Bill in the year_________ (Answer : C)
???????? ???????? ???????????? a) 2000 ????b) 2005 ????c) 2002 ????d)2007
???????????? 288 ???? ????The destruction of habitat of plants and animals is called (Answer : C)
???????? ???????? ???????????? a) Endemism ????b) Endangered species ????c) Habitat loss ????d)Flood
???????????? 289 ???? ????Zoos are examples f or (Answer : C)
???????? ???????? ???????????? a) In-situ conservation ????b) In-vivo conservation ????c) Ex-situ conservation ????d)Ex-vivo conservation
???????????? 290 ???? ????In which Indian state is Corbet National park located (Answer : B)
???????? ???????? ???????????? a) Madya Pr adesh ????b) Uttar akhand ????c) Ker ala ????d)Tamilnadu
???????????? 291 ???? ????The first national park of Ker ala (Answer : D)
???????? ???????? ???????????? a) Ar alam ????b) Kottayam ????c) Idukki ????d)Ir avikulam
???????????? 292 ???? ????In which year was Pro ject Tiger launched? (Answer : A)
???????? ???????? ???????????? a) 1973 ????b) 1964 ????c) 1998 ????d)1970
???????????? 293 ???? ????Earth summit of Rio de Janeiro (1992) resulted in (Answer : C)
???????? ???????? ???????????? a) Compilation of Red list ????b) Establishment of biosphere reserves ????c) Conservation of biodiversity
????d)IUCN
???????????? 294 ???? ????Lions are f ound in (Answer : D)
???????? ???????? ???????????? a) Western Ghats ????b) Corbett National Park ????c) Forests of Madhya Pr adesh ????d)Gir f orests
???????????? 295 ???? ????National Park associated with rhinoceros is (Answer : A)
???????? ???????? ???????????? a) Kazir anga ????b) Ranthambore ????c) Corbett ????d)Valley of flowers
???????????? 296 ???? ????Some species of plants and animals are extremely r are and may occur only at a f ew locations are called
(Answer : B)
???????? ???????? ???????????? a) Endemic ????b) Endangered ????c) Vulner able ????d)Threatened
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???????????? 12 ???? ????World Environment Day (Answer : A)
???????? ???????? ???????????? a) 5th June ????b) 5th July ????c) 5th August ????d)5th September
???????????? 13 ???? ????The biggest award f or environmental activities in India is given in the name of an individual. In whose
name is it constituted? (Answer : C)
???????? ???????? ???????????? a) Lal Bahadur Shasthri ????b) Mor ar ji Desai ????c) Indir a Gandhi ????d)Kamar a j.
???????????? 14 ???? ????All f orms of water that comes down on Earth, including r ain, snow, hail etc. is known as _____________
(Answer : C)
???????? ???????? ???????????? a) Calcification ????b) Fixation ????c) Precipitation ????d)Accumulation
???????????? 15 ???? ????The ocean covers ________ percentage of Earth?s surf ace. (Answer : C)
???????? ???????? ???????????? a) 515 ????b) 0.61 ????c) 0.71 ????d)0.91
???????????? 16 ???? ????The portion of the earth and its environment which can support lif e is known as _________ (Answer : B)
???????? ???????? ???????????? a) Crust ????b) Biosphere ????c) Exosphere ????d)Atmosphere
???????????? 17 ???? ????What is troposphere? (Answer : C)
???????? ???????? ???????????? a) Portion of air ????b) Portion of water ????c) Lowest layer of atmosphere where we survive
????d)Portion of sky
???????????? 18 ???? ????The main energy source f or the environment is ________ (Answer : A)
???????? ???????? ???????????? a) Solar energy ????b) Chemical energy ????c) Bioelectric energy ????d)Electrical energy
???????????? 19 ???? ????What is UNCED? (Answer : C)
???????? ???????? ???????????? a) United Nations Conf erence on Education ????b) United Nations Conf erence on Environmental Day
????c) United Nations Conf erence on Environment and Development ????d)None of these.
???????????? 20 ???? ????Atmospheric humidity is measured by (Answer : C)
???????? ???????? ???????????? a) Auxanometer ????b) Photometer ????c) Hygrometer ????d)None
???????????? 21 ???? ????The area to which a species is biologically adapted to live is known (Answer : B)
???????? ???????? ???????????? a) Niche ????b) Habitat ????c) Succession ????d)Community
???????????? 22 ???? ????Study of inter-relationship between organisms and their environment is called (Answer : A)
???????? ???????? ???????????? a) Ecology ????b) Ecosystem ????c) Phytogeogr aphy ????d)Ethology
???????????? 23 ???? ????The term Ecology was coined by (Answer : B)
???????? ???????? ???????????? a) A.G.Tansley ????b) Earnst Haeckel ????c) Aristotle ????d)Linnaeus
???????????? 24 ???? ????An example of an abiotic component (Answer : B)
???????? ???????? ???????????? a) Plants ????b) Soil ????c) Animals ????d)Bacteria
???????????? 25 ???? ????The area to which a species is biologically adapted to live is known (Answer : B)
???????? ???????? ???????????? a) Niche ????b) Habitat ????c) Succession ????d)Community
???????????? 26 ???? ????The objective of environmental education is (Answer : D)
???????? ???????? ???????????? a) Raise consciousness about environmental education ????b) T o teach environmentally appropriate
behaviour ????c) Create an environmental ethic that f osters awareness about ecological inter-dependence of economics,
social and political ????d)All of the above
???????????? 27 ???? ????Which of the f ollowing is not influenced by human activities? (Answer : A)
???????? ???????? ???????????? a) Depletion of ground water ????b) Destruction of mangroves and wetlands ????c) Increased extinction
r ate of species ????d)None of the above
???????????? 28 ???? ????Environmental education is important only at (Answer : D)
???????? ???????? ???????????? a) Primary school stage ????b) Secondary school stage ????c) Collage stage ????d)All stages
???????????? 29 ???? ????Which of the f ollowing conceptual components of the environment are ef f ective tr ansporters of
matter? (Answer : A)
???????? ???????? ???????????? a) Atmosphere and hydrosphere ????b) (b) Atmosphere and lithosphere ????c) (c) Hydrosphere and
lithosphere ????d)(d) Lithosphere and biosphere
???????????? 30 ???? ????Biosphere is (Answer : B)
???????? ???????? ???????????? a) (a) The solid shell of inorganic materials on the surf ace of the Earth ????b) (b) The thin shell of
organic matter on the surf ace of earth comprising of all the living things ????c) (c) The sphere which occupies the
maximum volume of all the spheres ????d)(d) All of the above
???????????? 31 ???? ????Which of the f ollowing conceptual sphere of the environment is having the least stor age capacity f or
matter? (Answer : A)
???????? ???????? ???????????? a) (a) Atmosphere ????b) (b) Lithosphere ????c) (c) Hydrosphere ????d)(d) Biosphere
???????????? 32 ???? ????Which of the f ollowing is an example of impact of development activities on the Hydrosphere? (Answer
: D)
???????? ???????? ???????????? a) (a) Air pollution ????b) (b) Soil pollution ????c) (c) Soil erosion ????d)(d) Water pollution
???????????? 33 ???? ????Weather occurs in the Earths: (Answer : A)
???????? ???????? ???????????? a) (a) Troposhere ????b) (b) Mesophere ????c) (c) Ionosphere ????d)(d) Thermosphere
???????????? 34 ???? ????Biosphere is a term used to represent the: (Answer : C)
???????? ???????? ???????????? a) (a) Entire atmosphere consisting of troposphere, str atosphere, mesosphere, and thermosphere
????b) (b) Entire hydrosphere-representing the entire collection of water over the Earth as well as inside the Earth ????c) (c)
A small zone of Earth, where the lithosphere, hydrosphere, and atmosphere come in contact with one another ????d)(d)
Entire lithosphere-representing the solid Earth and its interior
???????????? 35 ???? ????The term ecology was introduced by: (Answer : A)
???????? ???????? ???????????? a) (a) Haeckel ????b) (b) Odum ????c) (c) Tansely ????d)(d) Ramdeo Mishr a
???????????? 36 ???? ????The study of inter actions between living and non-living organisms and environment is called (Answer :
B)
???????? ???????? ???????????? a) (a) Ecosystem ????b) (b) Ecology ????c) (c) Phyto-geogr aphy ????d)(d) Phytosociology
???????????? 37 ???? ????An ecosystem consist of (Answer : D)
???????? ???????? ???????????? a) (a) Green plants and animals ????b) (b) Green plants and decomposers ????c) (c) Producers and
consumers ????d)(d) Green plants, animals, decomposers and abiotic environment
???????????? 38 ???? ????The environment which has been modified by human activities is called (Answer : B)
???????? ???????? ???????????? a) (a) Natur al environment ????b) (b) Anthropogenic environment ????c) (c) Modem environment ????d)(d)
Urban environment
???????????? 39 ???? ????Which of the f ollowing statements is not true? (Answer : C)
???????? ???????? ???????????? a) (a) Inorganic nutrients are recycled in an ecosystem ????b) (b) Energy flows through the ecosystem
in the f orm of C-C bonds ????c) (c) Energy is recycled in an ecosystem ????d)(d) Respir ation process releases energy
???????????? 40 ???? ????Driving f orce in an ecosystem is (Answer : C)
???????? ???????? ???????????? a) (a) Plants ????b) (b) Producers ????c) (c) Solar energy ????d)(d) Biomass energy
???????????? 41 ???? ????Physical and chemical components of an ecosystem constitute (Answer : C)
???????? ???????? ???????????? a) (a) Biotic structure ????b) (b) Abioltic structure ????c) (c) Both of these ????d)(d) None of these
???????????? 42 ???? ????Which one of the f ollowing is an abiotic component of the ecosystem? (Answer : C)
???????? ???????? ???????????? a) (a) Bacteria ????b) (b) Plants ????c) (c) Humus ????d)(d) Fungi
???????????? 43 ???? ????Which of the f ollowing is a possible producer in an ecosystem? (Answer : A)
???????? ???????? ???????????? a) (a) Plants ????b) (b) Animals ????c) (c) Human beings ????d)(d) Fish
???????????? 44 ???? ????The organisms which f eed on dead organisms and excreta of living organisms are known (Answer : A)
???????? ???????? ???????????? a) (a) Decomposers ????b) (b) Consumers ????c) (c) Producers ????d)(d) Carnivores
???????????? 45 ???? ????A trophic level ref ers to: (Answer : C)
???????? ???????? ???????????? a) (a) Area in the tropics ????b) (b) An organism?s portion in a f ood chain ????c) (c) An organism?s
position in an ecosystem ????d)(d) An organism?s position in a biome
???????????? 46 ???? ????In a f ood chain animals constitute the: (Answer : C)
???????? ???????? ???????????? a) (a) First trophic level ????b) (b) Second trophic level ????c) (c) Intermediate trophic level ????d)(d)
Ultimate trophic level
???????????? 47 ???? ????The f ood chain in which microorganisms breakdown dead producers is called: (Answer : D)
???????? ???????? ???????????? a) (a) Consumer f ood chain ????b) (b) Predator f ood chain ????c) (c) Par asitic f ood chain ????d)(d) Detritus
f ood chain
???????????? 48 ???? ????Food chain starts with (Answer : A)
???????? ???????? ???????????? a) (a) Producer ????b) (b) Herbivores ????c) (c) Carnivores ????d)(d) Omnivores
???????????? 49 ???? ????In a f ood chain, humans are (Answer : D)
???????? ???????? ???????????? a) (a) Secondary consumers ????b) (b) Primary consumer ????c) (c) Producers ????d)(d) Primary and
secondary consumers both
???????????? 50 ???? ????Which one is the correct f ood chain? (Answer : A)
???????? ???????? ???????????? a) (a) Phytoplankton ?? Zooplankton ?? Fish ????b) (b) Zooplankton ?? Phytoplankton ?? Fish ????c)
(c) Zooplankton ?? Protozoans ?? Fish ????d)(d) Gr ass ?? Fish ?? Zooplankton
???????????? 51 ???? ????A f ood web consists of (Answer : A)
???????? ???????? ???????????? a) (a) Interlocking f ood chains ????b) (b) Producers, consumers and decomposers ????c) (c) A portion of
a f ood chain ????d)(d) A set of similar consumers
???????????? 52 ???? ????Food webs are (Answer : C)
???????? ???????? ???????????? a) (a) One kind of f ood ????b) (b) Not related to f ood chains at all ????c) (c) Inter-connected arr angement
of f ood chains ????d)(d) Linear arr angement of f ood chains
???????????? 53 ???? ????Pyr amid of number is given by (Answer : C)
???????? ???????? ???????????? a) (a) Haeckel ????b) (b) Odum ????c) (c) Elton ????d)(d) Tansely
???????????? 54 ???? ????Which ecological pyr amid is always upright? (Answer : C)
???????? ???????? ???????????? a) (a) Pyr amid of number ????b) (b) Pyr amid of biomass ????c) (c) Pyr amid of energy ????d)(d) Pyr amid of
number and biomass
???????????? 55 ???? ????An ecological pyr amid ref ers to the (Answer : D)
???????? ???????? ???????????? a) (a) Pyr amid of energy ????b) (b) Pyr amid of number ????c) (c) Pyr amid of biomass ????d)(d) All of the
above
???????????? 56 ???? ????An ecosystem may not undergo changes because: (Answer : A)
???????? ???????? ???????????? a) (a) It is in a state of homeostasis ????b) (b) It has plants and animals both ????c) (c) It gets solar
energy continuously ????d)(d) The decomposers are present in it
???????????? 57 ???? ????Energy flow in an ecosystem is always: (Answer : A)
???????? ???????? ???????????? a) (a) Unidirectional ????b) (b) Cyclic ????c) (c) Reversible ????d)(d) Multi-directional
???????????? 58 ???? ????The primary producers in a f orest ecosystem are: (Answer : A)
???????? ???????? ???????????? a) (a) Chlorophyll containing trees and plants ????b) (b) Herbivores ????c) (c) Carnivores ????d)(d) Bacteria
and other micro-organism
???????????? 59 ???? ????The desert among the f ollowing which is not a cold desert is: (Answer : D)
???????? ???????? ???????????? a) (a) Golbi desert ????b) (b) Patagonian desert ????c) (c) Atacama desert ????d)(d) Ma java desert
???????????? 60 ???? ????The darker zone in lakes where light penetr ation is negligible is called the: (Answer : D)
???????? ???????? ???????????? a) (a) Euphotic zone ????b) (b) Littor al zone ????c) (c) Limnetic zone ????d)(d) Benthic zone
???????????? 61 ???? ????The zone of a sea lying over the continental shelf is known as the: (Answer : B)
???????? ???????? ???????????? a) (a) Bathyl zone ????b) (b) Neritic zone ????c) (c) Abyssal zone ????d)(d) Littor al zone
???????????? 62 ???? ????Which one of the f ollowing is not a fresh water biome? (Answer : A)
???????? ???????? ???????????? a) (a) Lotic ????b) (b) Lentic ????c) (c) Spings ????d)(d) Deep sea
???????????? 63 ???? ????Tendency of pollutants to become concentr ated in successive trophic levels is known as: (Answer : A)
???????? ???????? ???????????? a) (a) Biomagnification ????b) (b) Biorhythm ????c) (c) Bioremediation ????d)(d) Biopir acy
???????????? 64 ???? ????Eutrophication is: (Answer : B)
???????? ???????? ???????????? a) (a) An improved water quality status of lakes ????b) (b) The result of accumulation of plant nutrients
in water bodies ????c) (c) A process in the carbon cycle ????d)(d) A water purification technique
???????????? 65 ???? ????Increase in f auna and decrease in flor a would be harmf ul due to increase in: (Answer : B)
???????? ???????? ???????????? a) (a) Diseases ????b) (b) CO ????c) (c) O2 ????d)(d) Radioactive pollution
???????????? 66 ???? ????The largest reservoir of nitrogen an our planet is: (Answer : B)
???????? ???????? ???????????? a) (a) Ocean ????b) (b) Atmosphere ????c) (c) Biosphere ????d)(d) Fossil f uels
???????????? 67 ???? ????Overgr azing results in: (Answer : A)
???????? ???????? ???????????? a) (a) Soil erosion ????b) (b) Retention of usef ul species ????c) (c) Productive soils ????d)(d) All of the
above
???????????? 68 ???? ????In the world, the economy of the India is: (Answer : D)
???????? ???????? ???????????? a) (a) Largest ????b) (b) Third largest ????c) (c) Second largest ????d)(d) Fourth largest
???????????? 69 ???? ????In services output, India is: (Answer : C)
???????? ???????? ???????????? a) 10 ????b) 12 ????c) 15 ????d)4
???????????? 70 ???? ?????Smog? is a mixture of (Answer : A)
???????? ???????? ???????????? a) a) Smoke and Fog ????b) (b) Snow and Fog ????c) ( c) Snow and Dust ????d)(d) Sulphur Dioxide and
Fog
???????????? 71 ???? ????A liquid f uel that was f ormed from the ancient remains of sea plants and animals is (Answer : B)
???????? ???????? ???????????? a) Natur al gasb ????b) Petroleumc ????c) Geothermal energyd ????d)Coal
???????????? 72 ???? ????A poisonous gas given out of vehicles exhaust is (Answer : A)
a) Carbon monoxideb ????b) Ethanec ????c) Methaned ????d)Carbon dioxide
???????????? 73 ???? ????A product of photosynthesis is (Answer : C)
???????? ???????? ???????????? a) Carbon dioxideb ????b) Waterc ????c) Oxygend ????d)Chlorophyll
???????????? 74 ???? ????Atmosphere consists of 79 percent Nitrogen and 21 percent Oxygen by (Answer : B)
???????? ???????? ???????????? a) Volumeb ????b) Weightc ????c) Densityd ????d)All of these
???????????? 75 ???? ????Biogas contains mainly (Answer : B)
???????? ???????? ???????????? a) Carbon dioxideb ????b) Methanec ????c) Butaned ????d)Propane
???????????? 76 ???? ????Carbon dioxide constitutes about 0.03% of the atmosphere (Answer : A)
???????? ???????? ???????????? a) By volume(b ????b) By weight(c ????c) By mass(d ????d)None of these
???????????? 77 ???? ????Development activities on the hydrosphere cause (Answer : C)
???????? ???????? ???????????? a) Air pollutionb ????b) Soil pollutionc ????c) Water pollutiond ????d)Soil erosion
???????????? 78 ???? ????Energy flow in an ecosystem is (Answer : C)
???????? ???????? ???????????? a) Bidirectionalb ????b) Unidirectionalc ????c) Multidirectionald ????d)All rounds
???????????? 79 ???? ????Energy from the heat inside the earth is (Answer : B)
???????? ???????? ???????????? a) a Natur al gas ????b) Geothermalc ????c) Petroleumd ????d)Terr athermal
???????????? 80 ???? ????Energy in the r ays from the sun is called (Answer : A)
???????? ???????? ???????????? a) Solar energyb ????b) Wind energyc ????c) Tidal energyd ????d)Water energy
???????????? 81 ???? ????Environment is the lif e support system that includes (Answer : D)
???????? ???????? ???????????? a) Airb ????b) Waterc ????c) Landd ????d)All of the above
???????????? 82 ???? ????Extensive planting of trees to increase cover is called (Answer : A)
???????? ???????? ???????????? a) Af f orestation(b ????b) Agrof orestation(c ????c) Def orestation(d ????d)Social f orestry
???????????? 83 ???? ????Extensive planting of trees to increase f orest cover is called (Answer : A)
???????? ???????? ???????????? a) Af f orestation, b ????b) Agrof orestry, c ????c) Def orestation, d ????d)Social f orestry
???????????? 84 ???? ????Forest and wild lif e are (Answer : A)
???????? ???????? ???????????? a) Renewable resource(b ????b) Non-renewable resources (c ????c) Inexhaustible resources (d ????d)None
of these
???????????? 85 ???? ????Forests prevent soil erosion by binding soil particles in their (Answer : B)
???????? ???????? ???????????? a) Leaves(b ????b) Roots(c ????c) Buds(d ????d)Stems
???????????? 86 ???? ????Formation of hole in Ozone is maximum over (Answer : C)
???????? ???????? ???????????? a) Indiab ????b) Europec ????c) Antarcticad ????d)Africa
???????????? 87 ???? ????Fossil f uel and metallic miner als are: (Answer : C)
???????? ???????? ???????????? a) Renewable resource (b ????b) Inexhaustible resources (c ????c) Non-renewable resources (d ????d)None
of these
???????????? 88 ???? ????Green house ef f ect is linked to (Answer : C)
???????? ???????? ???????????? a) Nitrogen oxidesb ????b) Sulphur dioxidesc ????c) Carbon dioxidesd ????d)Carbon monoxides
???????????? 89 ???? ????In our country the percentage of land under f orest is about: (Answer : B)
???????? ???????? ???????????? a) 20%(b ????b) 19%(c ????c) 25%(d ????d)30%
???????????? 90 ???? ????In respect of water crisis, there have been conflicts/disputes between two countries, or states of the
same country. Which of the f ollowing has never been the case of water conflict? (Answer : D)
???????? ???????? ???????????? a) Cauvery water dispute between Tamil Nadu and Karnataka (b ????b) Yamuna-Betwa dispute between
U.P. and M.P. (c ????c) Sutlej Yamuna Link (SYL ????d)canal dispute between Pun jab and Haryana (d
???????????? 91 ???? ????Instrumentation technology used to locate suitable places f or mining (Answer : C)
???????? ???????? ???????????? a) a) Microscope ????b) b) Salinometer ????c) c) GIS ????d)d) camer a tr ap
???????????? 92 ???? ????Kaveri water dispute is in between: (Answer : D)
???????? ???????? ???????????? a) India and Pakistan (b ????b) Pun jab and Haryana (c ????c) Uttar Pr adesh and Madhya Pr adesh (d
????d)Karnataka and Tamil Nadu
???????????? 93 ???? ????Khetri (Ra jasthan) is f amous f or: (Answer : B)
???????? ???????? ???????????? a) Coal mines(b ????b) Copper mines(c ????c) Gr anite stone(d ????d)Marble stone
???????????? 94 ???? ????Main source of acid r ain is (Answer : A)
???????? ???????? ???????????? a) Sulphur dioxideb ????b) Nitrogenc ????c) Carbon dioxided ????d)Carbon monoxide
???????????? 95 ???? ????Ma jor consumer of wood from f orest is ___________ (Answer : B)
???????? ???????? ???????????? a) Thermal Power Plant ????b) Paper Industry ????c) Chemistry Industry ????d)none
???????????? 96 ???? ????Moisture in the air is known as (Answer : D)
???????? ???????? ???????????? a) a) Water ????b) (b) Fog ????c) ( c) Snow ????d)(d) Humidity
???????????? 97 ???? ????Name the country which virtually closed cod fishery in the 1990?s due to depletion of fish reserves
(Answer : A)
???????? ???????? ???????????? a) a) Canada ????b) b) Argentina ????c) c) Italy ????d)d) India
???????????? 98 ???? ????Name the financial agency which hesistate to support the Sardar Sarovar Pro ject in India in 1993 a result
of the demands of local people threatened with the loss of their livelihoods and homes in the submergence area.
(Answer : B)
???????? ???????? ???????????? a) a) Swiss bank ????b) b) World Bank ????c) c) Bank of India ????d)d) International Monetary Fund
???????????? 99 ???? ????Nitrogen constitutes about 78% of the atmosphere (Answer : C)
???????? ???????? ???????????? a) By weight(b ????b) By mass(c ????c) By volume(d ????d)None of these
???????????? 100 ???? ????Noise is measured by sound meter and the unit is (Answer : C)
???????? ???????? ???????????? a) Hertzb ????b) Joulec ????c) Decibeld ????d)Seconds
???????????? 101 ???? ????One of India?s serious environmental problems is f orest degr adation. What is the main cause of f orest
degr adation? (Answer : A)
???????? ???????? ???????????? a) timber extr action ????b) honey extr action ????c) high altitude ????d)Low Rainf all
???????????? 102 ???? ????Ozone day is observed on (Answer : B)
???????? ???????? ???????????? a) 3rd Januaryb ????b) 16th Septemberc ????c) 10th Novemberd ????d)26th March
???????????? 103 ???? ????Ozone Umbrella is located in which layer of atmosphere (Answer : B)
???????? ???????? ???????????? a) a) Troposphere ????b) (b) Str atosphere ????c) (c) Mesosphere ????d)(d) Ionosphere
???????????? 104 ???? ????Peeling of Ozone umbrella, which protects us from UV r ays, is caused by (Answer : B)
???????? ???????? ???????????? a) Carbon monoxideb ????b) CFCsc ????c) Coal burningd ????d)Methane
???????????? 105 ???? ????Soil erosion removes surf ace soil which contains (Answer : A)
???????? ???????? ???????????? a) Organic matterb ????b) Plant nutrientsc ????c) Both a and bd ????d)none of the above
???????????? 106 ???? ????Sustainable development means (Answer : C)
???????? ???????? ???????????? a) a. meeting present needs without compromising on f uture needs ????b) b. progress of human beings
????c) c. balance between human needs and the ability of earth to provide the resources ????d)d. all of the above
???????????? 107 ???? ????The adverse ef f ect of modern agriculture is (Answer : B)
???????? ???????? ???????????? a) Water pollutionb ????b) Soil degr adationc ????c) Water loggingd ????d)All of the above
???????????? 108 ???? ????The f ossil f uel that is derived from the dead remains of plants that grew some 250 million years ago is
(Answer : C)
???????? ???????? ???????????? a) Petroleumb ????b) Natur al gasc ????c) Coald ????d)LPG
???????????? 109 ???? ????The impact of construction of dams (Answer : D)
???????? ???????? ???????????? a) Submerged f orest b ????b) Loss of wild lif e habitat c ????c) Damages downstream ecosystem d ????d)All
of the above
???????????? 110 ???? ????The ma jor cause f or land degr adation in our country is (Answer : A)
???????? ???????? ???????????? a) Soil erosion(b ????b) Pollution of soil(c ????c) Water-logging(d ????d)None of the above
???????????? 111 ???? ????The ma jor reason f or floods in the rivers Ganges and Br ahmaputr a is ________ (Answer : B)
???????? ???????? ???????????? a) a) Dams in Himalayas ????b) b) Def orestation in Himalayas ????c) c) Heavy r ains ????d)d) Melting of ice
???????????? 112 ???? ????The method of r ainwater harvesting which can be adopted by individual house owners is (Answer : D)
???????? ???????? ???????????? a) Construction of recharge trenches (b ????b) On channel stor age of water (c ????c) Creation of new
water bodies (d ????d)Roof-top r ainwater harvesting
???????????? 113 ???? ????The percentage of total world?s precipitation, which is lost to the atmosphere through evapor ation,
approximates to: (Answer : A)
???????? ???????? ???????????? a) 57%(b ????b) 7%(c ????c) 37%(d ????d)43%
???????????? 114 ???? ????The process of restoring f orests that once existed but was removed at some time in the past is known
as (Answer : B)
???????? ???????? ???????????? a) Af f orestationb ????b) Ref orestationc ????c) Def orestationd ????d)None of these
???????????? 115 ???? ????The share of Hydropower (Hydel pro jects) in worlds commercial electricity production is less than ________
(Answer : D)
???????? ???????? ???????????? a) 2.00% ????b) 4.00% ????c) 12.00% ????d)20.00%
???????????? 116 ???? ????The species restricted to be present in one region are called (Answer : B)
???????? ???????? ???????????? a) Edge speciesb ????b) Endemic species c ????c) Endangered species d ????d)Keystone species
???????????? 117 ???? ????The teeth are likely to be pitted, more susceptible to cavities and wear, when the fluoride concentr ation
is: (Answer : D)
???????? ???????? ???????????? a) More than 2 mg/1 (b ????b) More than 40 mg/1 (c ????c) More than 20 mg/1 (d ????d)More than 4 mg/1
???????????? 118 ???? ????The term ?Environment? has been derived from the French word which means to encircle or surround
(Answer : A)
???????? ???????? ???????????? a) Environb ????b) Oikosc ????c) Geod ????d)Aqua
???????????? 119 ???? ????Wetlands in the flood plains of rivers are also considered as nature?s ________ (Answer : C)
???????? ???????? ???????????? a) a) Heat sink ????b) b) carbon sink ????c) c) flood control systems ????d)d) swimming pool
???????????? 120 ???? ????What are rodenticides? (Answer : C)
???????? ???????? ???????????? a) that kill fishes ????b) that kill insects ????c) that kill r ats ????d)that kill crocos
???????????? 121 ???? ????What is Kyoto Protocol? (Answer : A)
???????? ???????? ???????????? a) a. It is an agreement among countries to take steps f or reducing global warming. ????b) b. It is an
agreement among countries to take steps f or reducing acid r ain. ????c) c. It is an agreement among countries to take steps
f or planting trees to control pollution. ????d)d. It is an agreement among countries to start using nuclear energy.
???????????? 122 ???? ????What is the ma jor limiting f actor in the arid areas of our country? (Answer : C)
???????? ???????? ???????????? a) a) Money ????b) b) f orests ????c) c) water ????d)d) soil
???????????? 123 ???? ????What kind of people are the most ill-af f ected by the construction of dams? (Answer : D)
???????? ???????? ???????????? a) a) Urban dwellers ????b) b) beach dwellers ????c) c) tourists ????d)d) tribal people
???????????? 124 ???? ????When fluoride concentr ation in H2O exceeds about 1.5 mg/1, the disease that may be caused, is
(Answer : B)
???????? ???????? ???????????? a) Dental caries in children(b ????b) Fluorosis(c ????c) Polymyelitis(d ????d)Methemoglobinemia
???????????? 125 ???? ????Which among the f ollowing is a sedimentary type of cycle? (Answer : A)
???????? ???????? ???????????? a) Sulphur cycle(b ????b) Nitrogen cycle(c ????c) Oxygen cycle(d ????d)Carbon cycle
???????????? 126 ???? ????Which gas is responsible f or ozone layer depletion around earth? (Answer : B)
???????? ???????? ???????????? a) Carbon dioxideb ????b) Chlorofluorocarbonsc ????c) Oxygend ????d)Nitrogen oxide
???????????? 127 ???? ????Which gas is responsible f or the global warming? (Answer : B)
???????? ???????? ???????????? a) Nitrogenb ????b) Carbon dioxidec ????c) Noble gasesd ????d)Hydrogen
???????????? 128 ???? ????Which is a list of renewable resources? (Answer : D)
???????? ???????? ???????????? a) Petroleum, geothermal, wind b ????b) Biomass, geothermal, hydropower c ????c) Natur al gas, wind,
biomass d ????d)Hydropower, solar, wind energy
???????????? 129 ???? ????Which is the only country who has not r atified the Kyoto Protocol yet? (Answer : A)
???????? ???????? ???????????? a) United States ????b) Austr alia ????c) Japan ????d)India
???????????? 130 ???? ????Which of below items is the ma jor sector which extr acts most of fresh water available f or utilization?
(Answer : D)
???????? ???????? ???????????? a) domestic use ????b) drinking water ????c) bever age industry ????d)agriculture
???????????? 131 ???? ????Which of the f ollowing are consequences of ozone depletion (Answer : A)
???????? ???????? ???????????? a) Skin cancer and catar actb ????b) Reduced growth in plants c ????c) Shortening of zooplanktons and
their breeding period d ????d)All of the above
???????????? 132 ???? ????Which of the f ollowing are ma jor environmental issues involved in mining? (Answer : D)
???????? ???????? ???????????? a) air pollutionb ????b) water pollutionc ????c) soil degr adationd ????d)all of the above
???????????? 133 ???? ????Which of the f ollowing ef f ect is responsible f or Global Warming? (Answer : A)
???????? ???????? ???????????? a) Green house ef f ectb ????b) Radioactive ef f ectc ????c) Solar ef f ectd ????d)Nuclear ef f ect
???????????? 134 ???? ????Which of the f ollowing is management option f or air pollution? (Answer : D)
???????? ???????? ???????????? a) Regulations and standardsb ????b) Tr ansport planningc ????c) Using CNG as f ueld ????d)All of these
???????????? 135 ???? ????Which of the f ollowing is not a method f or water conservation? (Answer : B)
???????? ???????? ???????????? a) Rainwater harvesting(b ????b) Groundwater extr action (c ????c) Improving irrigation ef ficiency (d
????d)Avoiding water wastage
???????????? 136 ???? ????Which of the f ollowing is not a viable protection against def orestation? (Answer : C)
???????? ???????? ???????????? a) Reduce the consumption of f orest and related products (b ????b) Boycott products of companies
involve in def orestation (c ????c) Privatisation of f orest land (d ????d)Environmental education
???????????? 137 ???? ????Which of the f ollowing is not influenced by human activities? (Answer : D)
???????? ???????? ???????????? a) Destruction of mangroves and wetlands b ????b) Depletion of ground water c ????c) Increased
extinction r ate of species d ????d)None of the above
???????????? 138 ???? ????Which of the f ollowing is not true about def orestation? (Answer : C)
???????? ???????? ???????????? a) Population explosion is one of the reasons f or def orestation (b ????b) Cleaning of f orest f or
agriculture causes def orestation. (c ????c) Def orestation is taking place only in developing courtiers. (d ????d)Cash crop
economy of third world is a cause of def orestation.
???????????? 139 ???? ????Which of the f ollowing is responsible f or desertification? (Answer : D)
???????? ???????? ???????????? a) Def orestation(b ????b) Mining(c ????c) Overgr azing(d ????d)All of the above
???????????? 140 ???? ????Which of the f ollowing statements about the f orest is not correct? (Answer : D)
???????? ???????? ???????????? a) Forest reduces soil erosion (b ????b) Provides recreational opportunities (c ????c) Provides economic
development (d ????d)None of the above
???????????? 141 ???? ????Which of these is not a f ossil f uel? (Answer : D)
???????? ???????? ???????????? a) Coalb ????b) Oilc ????c) Natur al gasd ????d)Ur anium
???????????? 142 ???? ????Which one of the f ollowing is not an ideal solution f or tackling water shortages? (Answer : D)
???????? ???????? ???????????? a) Controlling population growth (b ????b) Conserving water in irrigation (c ????c) Controlling water
pollution (d ????d)Drilling large number of deep bore wells
???????????? 143 ???? ????Which one of the f ollowing regions in India is a hotspot of biodiversity? (Answer : B)
???????? ???????? ???????????? a) Sundarbansb ????b) Western Ghatsc ????c) Eastern Ghatsd ????d)Gangetic plains
???????????? 144 ???? ????World environment day is on: (Answer : B)
???????? ???????? ???????????? a) 5th Mayb ????b) 5th Junec ????c) 18th Julyd ????d)16th August
???????????? 145 ???? ????World Forest day is celebr ated on (Answer : A)
???????? ???????? ???????????? a) 21st March b ????b) 5th June c ????c) 1st Dec d ????d)7th June
???????????? 146 ???? ????Yellowing of Ta j Mahal is an ef f ect of (Answer : A)
???????? ???????? ???????????? a) Acid r ainb ????b) Global warmingc ????c) Ozone depletiond ????d)All of the above
???????????? 147 ???? ????Green Revolution in India was initiated by __________ (Answer : A)
???????? ???????? ???????????? a) M.S. Swaminathan ????b) Sunderlal Bahuguna ????c) Kurien ????d)Medha Patkar
???????????? 148 ???? ????Who wrote the book Violence of Green Revolution (Answer : A)
???????? ???????? ???????????? a) Vandana Siva ????b) Sheela Dikshit ????c) Menaka Gandhi ????d)Arundhathi Roy.
???????????? 149 ???? ????World Forest day is celebr ated on (Answer : A)
???????? ???????? ???????????? a) 21st March ????b) 5th June ????c) 1st Dec ????d)7th June
???????????? 150 ???? ????The Chipko movement is started by (Answer : B)
???????? ???????? ???????????? a) Engler ????b) Sunderlal Bahuguna ????c) Medha Padkar ????d)None of these
???????????? 151 ???? ????Green revolution is associated with _________ (Answer : B)
???????? ???????? ???????????? a) sericulture ????b) Agriculture ????c) Fish culture ????d)silviculture
???????????? 152 ???? ????Which gas is likely to be reduced in the atmosphere by def orestation? (Answer : C)
???????? ???????? ???????????? a) Carbon dioxide ????b) Nitrogen ????c) Oxygen ????d)Sulphur dioxide
???????????? 153 ???? ????Extensive planting of trees to increase f orest cover is called (Answer : A)
???????? ???????? ???????????? a) Af f orestation ????b) Agrof orestry ????c) Def orestation ????d)Social f orestry
???????????? 154 ???? ????Soil erosion can be prevented by (Answer : B)
???????? ???????? ???????????? a) Def orestation ????b) Af f orestation ????c) Overgr azing ????d)Removal of vegetation
???????????? 155 ???? ????The components of LPG are _____________ (Answer : B)
???????? ???????? ???????????? a) Methane & Hexane ????b) Propane & Butane ????c) Ethane & Methane ????d)Propane & Ethane
???????????? 156 ???? ????Which of the f ollowing is the most responsible f or world water crisis? (Answer : C)
???????? ???????? ???????????? a) Dams ????b) Floods ????c) Drought ????d)Population growth
???????????? 157 ???? ????The resources that can be replaced by natur al ecological cycle is called (Answer : A)
???????? ???????? ???????????? a) Renewable ????b) Non-renewable ????c) exhaustible ????d)natur al
???????????? 158 ???? ????The amount of solar r adiation reaching the surf ace of the earth is called (Answer : A)
???????? ???????? ???????????? a) Solar flux ????b) reflected light ????c) miner als ????d)solvents
???????????? 159 ???? ????The most harmf ul of ultr aviolet r adiations are (Answer : A)
???????? ???????? ???????????? a) UV-C ????b) UV-B ????c) UV-A ????d)All the above
???????????? 160 ???? ????A renewable source of energy is (Answer : D)
???????? ???????? ???????????? a) Petroleum ????b) Coal ????c) Nuclear f uel ????d)Trees
???????????? 161 ???? ????The capacity to do work is termed as (Answer : D)
???????? ???????? ???????????? a) Power ????b) Force ????c) Strength ????d)Energy
???????????? 162 ???? ????The unit of total water content of the soil is known as (Answer : A)
???????? ???????? ???????????? a) Holard ????b) Chr aserd ????c) Echard ????d)All of the above
???????????? 163 ???? ????Pedology? (Answer : C)
???????? ???????? ???????????? a) Study of water ????b) Study of air ????c) Study of soil ????d)none
???????????? 164 ???? ????What is def orestation? (Answer : B)
???????? ???????? ???????????? a) Product of f orest ????b) Destruction of f orest ????c) Forest Protection ????d)none
???????????? 165 ???? ????Def orestation gener ally decreases (Answer : D)
???????? ???????? ???????????? a) Global Warming ????b) Drought ????c) Soil erosion ????d)Rainf all
???????????? 166 ???? ????Which among the f ollowing result in the f ormation of soil? (Answer : B)
???????? ???????? ???????????? a) Radiation ????b) Weathering ????c) Erosion ????d)Pollution
???????????? 167 ???? ????Mulching helps in (Answer : B)
???????? ???????? ???????????? a) soil f ertility ????b) moisture conservation ????c) improvements soil structure ????d)soil sterility
???????????? 168 ???? ????........................ is an example of ?bottom f eeders?. (Answer : A)
???????? ???????? ???????????? a) Cat fish ????b) Frog ????c) Snake ????d)Tadpole ????e)
???????????? 169 ???? ????..................... trees shed their leaves during winter and hot summer. (Answer : C)
???????? ???????? ???????????? a) (a) ever green ????b) b) conif erous ????c) c) deciduous ????d)d) Shola
???????????? 170 ???? ????...................... is a cold desert in India (Answer : B)
???????? ???????? ???????????? a) Thar ????b) Ladakh ????c) Ran of Kutch ????d)Bhopal
???????????? 171 ???? ????A lake ecosystem f unctions as a (Answer : A)
???????? ???????? ???????????? a) Ter ai ????b) Shola gr asslands ????c) Semi arid plains ????d)Himalayan pastures
???????????? 172 ???? ????An example of nitrogen fixing bacteria in the soil (Answer : C)
???????? ???????? ???????????? a) Rhizobium ????b) Nostoc ????c) Azotobacter ????d)Nitrobacter
???????????? 173 ???? ????An example of one way ecological cycle is (Answer : C)
???????? ???????? ???????????? a) carbon dioxide cycle ????b) water cycle ????c) energy cycle ????d)oxygen cycle
???????????? 174 ???? ????Br ackish water ecosystems in river deltas are among (Answer : B)
???????? ???????? ???????????? a) Least productive ecosystems ????b) Most productive in terms of biomass production ????c) c)
Unproductive d) Stagnant ecosystems ????d)
???????????? 175 ???? ????Ecology is (Answer : C)
???????? ???????? ???????????? a) The science that studies the evolution of lif e, ????b) b) Integr ates both social and natur al sciences to
help us understand how the earth works, ????c) c) The study of the relationships between organisms and their
environment ????d)d) The study of the environment in the absence of humans
???????????? 176 ???? ????Forests grow in high r ain f all areas are (Answer : A)
???????? ???????? ???????????? a) (a) ever green f orests ????b) b) temper ate f orests ????c) c) conif ers ????d)d) Tundr a
???????????? 177 ???? ????Fungi is a (Answer : D)
???????? ???????? ???????????? a) Macroconsumer ????b) Producer ????c) Carnivore d ????d)Microconsumer
???????????? 178 ???? ????Nitrogen fixing blue green alga (Answer : C)
???????? ???????? ???????????? a) Clostridium ????b) Rhizobium ????c) Nostoc ????d)Nitrosomonas
???????????? 179 ???? ????Nitrogen gas returns to the atmosphere by the action of (Answer : B)
???????? ???????? ???????????? a) Nitrogen fixing bacteria ????b) Denitrif ying bacteria ????c) Nitrif ying bacteria ????d)Nitr ate f ertilizers
???????????? 180 ???? ????Patches of tall gr asslands interspersed with Sal f orest ecosystem is (Answer : A)
???????? ???????? ???????????? a) ????b) ????c) ????d)
???????????? 181 ???? ????Ramsar Convention ref ers to the conservation of ____________ (Answer : B)
???????? ???????? ???????????? a) (a) Deserts ????b) b) Wetlands ????c) c) Agriculture lands, ????d)d) Forest land
???????????? 182 ???? ????Some species whose removal can af f ect the survival of an ecosystem are called (Answer : B)
???????? ???????? ???????????? a) ????b) b) Keystone species ????c) c) Producers ????d)d) Carnivores
???????????? 183 ???? ????Sunderbans is home to (Answer : B)
???????? ???????? ???????????? a) Giant permanent pond ????b) Tempor ary aquatic system ????c) Simplest aquatic ecosystem ????d)Water
tank
???????????? 184 ???? ????The conversion of ammonia to nitr ate is known as ________ (Answer : B)
???????? ???????? ???????????? a) (a) ammonification ????b) b) nitrification ????c) c) denitrification ????d)d) all of these
???????????? 185 ???? ????The f orests which occur in law r ain f all area is (Answer : B)
???????? ???????? ???????????? a) (a) Evergreen f orests ????b) b) deciduous f orests ????c) c) Conif erous f orest ????d)d) All the above.
???????????? 186 ???? ????The inherent ability of organisms to reproduce and multiply is called, (Answer : B)
???????? ???????? ???????????? a) C value ????b) b) biotic potential ????c) c) carrying capacity ????d)d) K value
???????????? 187 ???? ????The largest br ackish water lake situated in Asia is in Orissa. Which is the lake? (Answer : A)
???????? ???????? ???????????? a) (a) Chilka lake ????b) b) Vembanad lake ????c) c) Woolar lake ????d)d) Dal lake
???????????? 188 ???? ????The Little Rann of Kutch is home to (Answer : D)
???????? ???????? ???????????? a) Horse ????b) b) Great Indian Bustard ????c) c) Lion ????d)d) Wild Ass
???????????? 189 ???? ????The presence of which is necessary f or photosynthesis (Answer : B)
???????? ???????? ???????????? a) (a) Chlorof orm ????b) b) Chlorophyll ????c) c) Phosphorus ????d)d) Polymer
???????????? 190 ???? ????The process through which ecosystems tend to change after a period of time is called (Answer : A)
???????? ???????? ???????????? a) ????b) ????c) ????d)
???????????? 191 ???? ????The species that flower are called (Answer : C)
???????? ???????? ???????????? a) (a) gymnosperms ????b) b) bryophytes ????c) c) angiosperms ????d)d) algae
???????????? 192 ???? ????The term ?Eco? implies (Answer : A)
???????? ???????? ???????????? a) Environment ????b) Ecotone ????c) Ecotourism ????d)Soil
???????????? 193 ???? ????The term ?Ecology? was coined by (Answer : B)
???????? ???????? ???????????? a) A.G.Tansley ????b) Earnst Haeckel ????c) Aristotle ????d)Linnaeus
???????????? 194 ???? ????The word Biophilia was coined by (Answer : D)
???????? ???????? ???????????? a) Dr. Hackel ????b) Dr.Johanssen ????c) Dr. Ben jamine ????d)E. O. Wilson
???????????? 195 ???? ????What is Dendrology? (Answer : C)
???????? ???????? ???????????? a) Study of Plants ????b) Study of Butterflies ????c) Study of Trees ????d)None of these
???????????? 196 ???? ????What is edge species? (Answer : A)
???????? ???????? ???????????? a) The species which occur abundantly in the ecotone ????b) b) Species on the verge of extinction ????c)
c) Rare species ????d)d) Endemic species
???????????? 197 ???? ????What is symbiosis? (Answer : C)
???????? ???????? ???????????? a) Study of distribution of related species ????b) b) Association between members of same species
????c) c) Association between members of two species ????d)d) None
???????????? 198 ???? ????When number of f ood chains is interlocked this is called (Answer : C)
???????? ???????? ???????????? a) f ood link ????b) f ood chain ????c) f ood web ????d)pyr amid
???????????? 199 ???? ????Which is an example f or sedimentary biogeochemical cycle (Answer : D)
???????? ???????? ???????????? a) Oxygen cycle ????b) Nitrogen cycle ????c) Water cycle ????d)Phosphorus cycle
???????????? 200 ???? ????Which is the second largest in species richness? (Answer : C)
???????? ???????? ???????????? a) Desert ????b) b) Tundr a ????c) c) Cor al reefs ????d)d) Flowing water
???????????? 201 ???? ????Gr assland of USA is ref erred to as (Answer : A)
???????? ???????? ???????????? a) Pr airies ????b) Steppes ????c) Pampas ????d)Veldts
???????????? 202 ???? ????The complex network of interconnected f ood chains is called ___________ (Answer : B)
???????? ???????? ???????????? a) Trophic level ????b) Food web ????c) Ecological pyr amid ????d)Ecology chain
???????????? 203 ???? ????The animal which consumes decaying organic matter is _________ (Answer : B)
???????? ???????? ???????????? a) Carnivore ????b) Detritivore ????c) Herbivore ????d)Producers
???????????? 204 ???? ????An ecosystem gr adually merges with an adjoining one through a tr ansitional zone is called the
______________ (Answer : C)
???????? ???????? ???????????? a) Ecological niche ????b) ecological f ootprint ????c) ecotone ????d)Shore ef f ect
???????????? 205 ???? ????The Primary Consumers are also called as (Answer : A)
???????? ???????? ???????????? a) Herbivores ????b) Carnivores ????c) Enzymes ????d)None of these
???????????? 206 ???? ????The f orests which occur in law r ain f all area is called (Answer : B)
???????? ???????? ???????????? a) Evergreen f orests ????b) deciduous f orests ????c) Conif erous f orest ????d)All the above
???????????? 207 ???? ????Favor able morphological and physiological response to a change in environment is called (Answer : D)
???????? ???????? ???????????? a) Preadaptation ????b) Ecotyping ????c) Formation of ecophenes ????d)Acclimatization
???????????? 208 ???? ????Plants adapted to open, sunny habitats are (Answer : B)
???????? ???????? ???????????? a) Sciophytes ????b) Heliophytes ????c) Mesophytes ????d)Epiphytes
???????????? 209 ???? ????Temper ate f orests occur in India in (Answer : B)
???????? ???????? ???????????? a) Indo-gangetic plains ????b) Himalayas ????c) Eastern India ????d)Southern peninsula
???????????? 210 ???? ????In India, tropical evergreen f orests occur in (Answer : C)
???????? ???????? ???????????? a) Himachal Pr adesh ????b) Madhya Pr adesh ????c) Assam ????d)Tamil Nadu
???????????? 211 ???? ????Which one is natures cleaner? (Answer : C)
???????? ???????? ???????????? a) Consumers ????b) Producers ????c) Decomposers and Scavengers ????d)Symbionts
???????????? 212 ???? ????The relationship between nitrogen fixing bacteria and leguminous plants is an example f or (Answer : C)
???????? ???????? ???????????? a) Par asitism ????b) Predation ????c) Mutualism ????d)Symbiosis
???????????? 213 ???? ????______ trees shed their leaves during winter and hot summer. (Answer : C)
???????? ???????? ???????????? a) Ever green ????b) Conif erous ????c) Deciduous ????d)Shola
???????????? 214 ???? ????Thorn f orests are f ound in the_______ regions (Answer : A)
???????? ???????? ???????????? a) Semi-arid ????b) High r ain f all areas ????c) Low temper ature ????d)Frozen areas
???????????? 215 ???? ????________ is a cold desert in India (Answer : B)
???????? ???????? ???????????? a) Thar ????b) Ladakh ????c) Ran of Kutch ????d)Bhopal
???????????? 216 ???? ????______ is an example of bottom f eeders (Answer : A)
???????? ???????? ???????????? a) Cat fish ????b) Frog ????c) Snake ????d)Tadpole
???????????? 217 ???? ????A Hawk that eats a frog is a (Answer : D)
???????? ???????? ???????????? a) Producer ????b) Primary Consumer ????c) Secondary Consumer ????d)Tertiary Consumer
???????????? 218 ???? ????An example of lotic system (Answer : B)
???????? ???????? ???????????? a) Pond ????b) River ????c) Lake ????d)Reservoir
???????????? 219 ???? ????Complex interlinked f ood chains are called (Answer : A)
???????? ???????? ???????????? a) Food Web ????b) Food net work ????c) Trophic levels ????d)Food pyr amid
???????????? 220 ???? ????Lotic ecosystem ref ers to (Answer : B)
???????? ???????? ???????????? a) Static water system ????b) Ecosystem of flowing water ????c) Ecosystem of estuaries ????d)Deep
marine water system
???????????? 221 ???? ????Autotrophs are ______________ (Answer : D)
???????? ???????? ???????????? a) Consumers ????b) Herbivores ????c) Saprophytes ????d)Producers
???????????? 222 ???? ????Organisms which depened on Producers f or nutrition are called (Answer : C)
???????? ???????? ???????????? a) Autotrophs ????b) Saprophytes ????c) Consumers ????d)Xerophytes
???????????? 223 ???? ????The source of atmospheric oxygen is (Answer : B)
???????? ???????? ???????????? a) Nitrogen cycle ????b) Green Plants ????c) Water ????d)Carbon Cycle
???????????? 224 ???? ????Plants which grow in shade are called (Answer : A)
???????? ???????? ???????????? a) Sciophytes ????b) Heliophytes ????c) Oxylophytes ????d)Epiphytes
???????????? 225 ???? ????Photosynthesis is f ound in (Answer : A)
???????? ???????? ???????????? a) Producers ????b) Decomposers ????c) Consumers ????d)Scavengers
???????????? 226 ???? ????Phytoplankton are (Answer : B)
???????? ???????? ???????????? a) Producers of f orest ????b) Producers of lakes ????c) Consumers of Ocean ????d)Omnivores
???????????? 227 ???? ????Gas released during photosynthesis is (Answer : C)
???????? ???????? ???????????? a) Methane ????b) Nitrogen ????c) Oxygen ????d)Carbon dioxide
???????????? 228 ???? ????The ma jor reservoir of carbon is (Answer : B)
???????? ???????? ???????????? a) The atmosphere ????b) Ocean Bed ????c) Plant and animals ????d)Rock
???????????? 229 ???? ????The simplest aquatic ecosystem can be seen in a (Answer : C)
???????? ???????? ???????????? a) River ????b) Lake ????c) Pond ????d)Water Tank
???????????? 230 ???? ????What is hibernation and aestivation? (Answer : A)
???????? ???????? ???????????? a) Thermal adaptation shown by animals ????b) wind adaptation shown by animals ????c) adaptation of
animals to escape from predators ????d)None
???????????? 231 ???? ????What is lentic habitat ? (Answer : B)
???????? ???????? ???????????? a) Running water habitat ????b) Standing or still water habitat ????c) Marine habitat ????d)None
???????????? 232 ???? ????What is lotic habitat? (Answer : C)
???????? ???????? ???????????? a) Standing or still water habitat ????b) Marine habitat ????c) Running water habitat ????d)Stagnant water
???????????? 233 ???? ????What is Plankton? (Answer : A)
???????? ???????? ???????????? a) Microscopic floating organisms ? Plants and animals. ????b) bottom dwelling aquatic organisms ????c)
Large plants in water ????d)None
???????????? 234 ???? ????What is Canopy? (Answer : A)
???????? ???????? ???????????? a) Uppermost level of the f orest ????b) Ground level of the f orest ????c) Soil in f orest ????d)Climbers on
trees
???????????? 235 ???? ????North American gr assland are called (Answer : B)
???????? ???????? ???????????? a) Pampas ????b) Pr airies ????c) Savannah ????d)None
???????????? 236 ???? ????African gr asslands are called (Answer : C)
???????? ???????? ???????????? a) Pr airies ????b) Pampas ????c) Savannah ????d)None
???????????? 237 ???? ????Green plants are absent in deep sea. Why? (Answer : A)
???????? ???????? ???????????? a) Light is absent ????b) High pressure ????c) low temper ature ????d)Great depth
???????????? 238 ???? ????What is desertification? (Answer : D)
???????? ???????? ???????????? a) Conversion of f orests into desert ????b) Conversion of croplands into desert ????c) Conversion of
gr assland into desert ????d)all of the above
???????????? 239 ???? ????The first trophic level in a f ood chain (Answer : A)
???????? ???????? ???????????? a) Green Plants ????b) Herbivores ????c) Carnivores ????d)Bacteria
???????????? 240 ???? ????Sulphur bacteria are examples of (Answer : D)
???????? ???????? ???????????? a) Carnivores ????b) Heterotrophs ????c) Saprophytes ????d)Autotrophs
???????????? 241 ???? ????Green Land biome (Answer : B)
???????? ???????? ???????????? a) Tundr a ????b) Pampas ????c) Taiga ????d)Thaar.
???????????? 242 ???? ????What is deep ecology? (Answer : A)
???????? ???????? ???????????? a) Protecting nature f or its own sake ????b) Ecology of deep sea ????c) Ecology of f orest ????d)Ecology of
caves
???????????? 243 ???? ????Cor al reefs in India can be seen in (Answer : B)
???????? ???????? ???????????? a) Himalayan region ????b) Andaman and Nicobar Islands ????c) Uttarpr adesh ????d)Mahar ashtr a
???????????? 244 ???? ????____________ is one of the most endangered species of Indian birds (Answer : D)
???????? ???????? ???????????? a) Bee eater ????b) Par adise fly catcher ????c) Owl ????d)The great Indian bustard
???????????? 245 ???? ????................. species is known as Azadir achta Indica (Answer : A)
???????? ???????? ???????????? a) Neem ????b) Mango ????c) Jackfruit ????d)Banana
???????????? 246 ???? ????.................... is a marine tortoise which shows the unique phenomenon ?arribada? (Answer : A)
???????? ???????? ???????????? a) Olive Ridley ????b) Star T ortoise ????c) Tr avancore T ortoise ????d)b & c
???????????? 247 ???? ????.................... tree is known as ?flame of the f orest?? (Answer : B)
???????? ???????? ???????????? a) Zizyphus ????b) Butea monosperma ????c) Jackfruit ????d)Pongamea
???????????? 248 ???? ????All are insitu conservation ef f orts except (Answer : C)
???????? ???????? ???????????? a) National parks ????b) Sanctuaries ????c) Zoo ????d)
???????????? 249 ???? ????Approximately, 50% of total world species are present on (Answer : A)
???????? ???????? ???????????? a) tropical r ain f orest ????b) temper ate r ain f orest ????c) temper ate deciduous f orest d ????d)cor al reefs
???????????? 250 ???? ????Bears are usually hunted and killed f or their (Answer : B)
???????? ???????? ???????????? a) Teeth ????b) Skin ????c) Gall bladder ????d)Nails
???????????? 251 ???? ????Biodiversity (Answer : A)
???????? ???????? ???????????? a) increases towards the equator ????b) decreases towards the equator ????c) remains same throughout
the planet d ????d)has no ef f ect on change in latitude
???????????? 252 ???? ????Black Buck is a (Answer : B)
???????? ???????? ???????????? a) Goat ????b) Deer ????c) Butterfly ????d)Bird
???????????? 253 ???? ????Blue whale is placed under (Answer : A)
???????? ???????? ???????????? a) endangered ????b) critically endangered ????c) r are ????d)d) extinct
???????????? 254 ???? ????Conservation within the natur al habitat is (Answer : A)
???????? ???????? ???????????? a) insitu conservation ????b) exsitu conservation ????c) invivo conservation ????d)d) exvivo conservation
???????????? 255 ???? ????Cor al reefs in India can be seen in (Answer : B)
???????? ???????? ???????????? a) Himalayan region ????b) Andaman and Nicobar Islands ????c) Uttarpr adesh ????d)Mahar ashtr a
???????????? 256 ???? ????Dodo is (Answer : D)
???????? ???????? ???????????? a) endangered ????b) b) critically endangered ????c) c) r are ????d)d) extinct
???????????? 257 ???? ????Endemic species are (Answer : B)
???????? ???????? ???????????? a) r are species ????b) b) species localised in a specific region ????c) c) cosmopolitan in distribution d)
critically endangered species ????d)
???????????? 258 ???? ????Ex situ conservation includes (Answer : D)
???????? ???????? ???????????? a) Zoo ????b) Botanic garden ????c) c) Germplasm bank ????d)d) all of the above
???????????? 259 ???? ????Gharial is a (Answer : A)
???????? ???????? ???????????? a) Crocodile ????b) b) Cobr a ????c) c) T ortoise ????d)d) Frog
???????????? 260 ???? ????Herpetology is a br anch of Science which deals with (Answer : C)
???????? ???????? ???????????? a) Aves ????b) Mammals ????c) Reptiles ????d)Fishes
???????????? 261 ???? ????Hot spots are regions of high (Answer : B)
???????? ???????? ???????????? a) r arity ????b) b) endemism ????c) c) critically endangered population d) diversity ????d)d) diversity
???????????? 262 ???? ????India is primary centre of domestication of (Answer : D)
???????? ???????? ???????????? a) Sheep ????b) Goat ????c) Water Buf f alo ????d)Elephants
???????????? 263 ???? ????IUCN (The International Union For Conservation Of Nature And Natur al Resources) headquarters is at
(Answer : A)
???????? ???????? ???????????? a) Morges, Switzerland ????b) Paris, Fr ance ????c) Vienna, Austria d ????d)NewYork, USA
???????????? 264 ???? ????IUCN is also called as (Answer : B)
???????? ???????? ???????????? a) Man and Biosphere progr am ????b) World Conservation Union ????c) World Conservation Consortium
d ????d)World Wide Conservation Union
???????????? 265 ???? ????Killing of animals disturbs (Answer : C)
???????? ???????? ???????????? a) Good f or eco system ????b) Good f or man ????c) The balance of nature ????d)None
???????????? 266 ???? ????MAB progr am stands f or (Answer : D)
???????? ???????? ???????????? a) Man and biotechnology ????b) Material and biology ????c) Man and Biology ????d)Man and Biosphere
???????????? 267 ???? ????Pangolins f eed on (Answer : A)
???????? ???????? ???????????? a) ants ????b) b) fruits ????c) c) leaves ????d)d) roots
???????????? 268 ???? ????Red data book contains data of (Answer : D)
???????? ???????? ???????????? a) all plant species ????b) all animal species ????c) economically important species ????d)threatened
species
???????????? 269 ???? ????Silent Spring is a well known book written by (Answer : C)
???????? ???????? ???????????? a) John Miller ????b) Charles Darwin ????c) Rachel Carson ????d)Aldoleopold
???????????? 270 ???? ????The drug morphine is extr acted from ............... plant (Answer : C)
???????? ???????? ???????????? a) Cocoa ????b) Belladonna ????c) Opium Poppy ????d)Tannin
???????????? 271 ???? ????The first global environmental protection treaty The Montreal Protocol was signed on Sept. 26. (Answer
: D)
???????? ???????? ???????????? a) 1985 ????b) 1990 ????c) 1981 ????d)1987
???????????? 272 ???? ????The most important reason f or decrease in biodiversity is (Answer : D)
???????? ???????? ???????????? a) habitat pollution ????b) introduction of exotic species ????c) overexploitation ????d)habitat destruction
???????????? 273 ???? ????The only ape f ound in India (Answer : C)
???????? ???????? ???????????? a) Gorilla ????b) Chimpanzee ????c) Hoolock gibbon ????d)Or anguttan
???????????? 274 ???? ????Which of the f ollowing is a biodiversity hot sport in India? (Answer : A)
???????? ???????? ???????????? a) Western Ghats ????b) Nandadevi ????c) Eastern Ghats ????d)Ar avalli
???????????? 275 ???? ????Which of the f ollowing region has maximum diversity? (Answer : D)
???????? ???????? ???????????? a) mangroves ????b) temper ate r ainf orest ????c) taiga d ????d)cor al reefs
???????????? 276 ???? ????Which plants die after flowering? (Answer : B)
???????? ???????? ???????????? a) Lotus ????b) Bamboo ????c) Chrysanthemum ????d)Butea
???????????? 277 ???? ????Which tree is known as Cor al tree? (Answer : C)
???????? ???????? ???????????? a) Quercus ????b) Dipterocarps ????c) Erythrina ????d)Zizypus
???????????? 278 ???? ????Salim Ali Centre f or Ornithology and Natur al history is located at ______ (Answer : D)
???????? ???????? ???????????? a) Pune ????b) Hyder abad ????c) Ker ala ????d)Coimbatore
???????????? 279 ???? ????World wildlif e week is observed during (Answer : A)
???????? ???????? ???????????? a) First week of October ????b) Last week of October ????c) Third week of October ????d)First week of
September
???????????? 280 ???? ????Zoological Survey of India is at (Answer : C)
???????? ???????? ???????????? a) Delhi ????b) Mumbai ????c) Kolkata ????d)Chennai
???????????? 281 ???? ????The Salim Ali Bird sanctuary is located at (Answer : B)
???????? ???????? ???????????? a) Pondicherry ????b) Thattekad ????c) Anakkatti ????d)Kalakkadj
???????????? 282 ???? ????Who among the f ollowing is commonly called ?Bird Man of India?? (Answer : A)
???????? ???????? ???????????? a) Salim Ali ????b) M.S. Swaminathan ????c) M.C. Mehta ????d)Raphel Emerson
???????????? 283 ???? ????The phenomenon of occurrence of additional species f ound in the ecotone or tr ansitional zone
between adjoining ecosystems is known as _________ (Answer : A)
???????? ???????? ???????????? a) Edge ef f ect ????b) Root ef f ect ????c) Raman ef f ect ????d)Coolidge ef f ect
???????????? 284 ???? ????A set of organisms that resemble one another in appear ance and behaviour is called a _____________
(Answer : C)
???????? ???????? ???????????? a) Exons ????b) Prions ????c) Species ????d)guilds
???????????? 285 ???? ????All the genes of a population is called (Answer : A)
???????? ???????? ???????????? a) gene pool ????b) Genome ????c) Gene bunch ????d)Gene population
???????????? 286 ???? ????The first protected area in India is ____________ (Answer : B)
???????? ???????? ???????????? a) Silent valley ????b) Corbett National Park ????c) Bandipur sanctuary ????d)Nagar-Hole
???????????? 287 ???? ????The Indian Parliament passed the Biodiversity Bill in the year_________ (Answer : C)
???????? ???????? ???????????? a) 2000 ????b) 2005 ????c) 2002 ????d)2007
???????????? 288 ???? ????The destruction of habitat of plants and animals is called (Answer : C)
???????? ???????? ???????????? a) Endemism ????b) Endangered species ????c) Habitat loss ????d)Flood
???????????? 289 ???? ????Zoos are examples f or (Answer : C)
???????? ???????? ???????????? a) In-situ conservation ????b) In-vivo conservation ????c) Ex-situ conservation ????d)Ex-vivo conservation
???????????? 290 ???? ????In which Indian state is Corbet National park located (Answer : B)
???????? ???????? ???????????? a) Madya Pr adesh ????b) Uttar akhand ????c) Ker ala ????d)Tamilnadu
???????????? 291 ???? ????The first national park of Ker ala (Answer : D)
???????? ???????? ???????????? a) Ar alam ????b) Kottayam ????c) Idukki ????d)Ir avikulam
???????????? 292 ???? ????In which year was Pro ject Tiger launched? (Answer : A)
???????? ???????? ???????????? a) 1973 ????b) 1964 ????c) 1998 ????d)1970
???????????? 293 ???? ????Earth summit of Rio de Janeiro (1992) resulted in (Answer : C)
???????? ???????? ???????????? a) Compilation of Red list ????b) Establishment of biosphere reserves ????c) Conservation of biodiversity
????d)IUCN
???????????? 294 ???? ????Lions are f ound in (Answer : D)
???????? ???????? ???????????? a) Western Ghats ????b) Corbett National Park ????c) Forests of Madhya Pr adesh ????d)Gir f orests
???????????? 295 ???? ????National Park associated with rhinoceros is (Answer : A)
???????? ???????? ???????????? a) Kazir anga ????b) Ranthambore ????c) Corbett ????d)Valley of flowers
???????????? 296 ???? ????Some species of plants and animals are extremely r are and may occur only at a f ew locations are called
(Answer : B)
???????? ???????? ???????????? a) Endemic ????b) Endangered ????c) Vulner able ????d)Threatened
???????????? 297 ???? ????The only known breeding colony of the greater and lesser Flamingos in our country is seen in
???????.. desert. (Answer : A)
???????? ???????? ???????????? a) The Great Rann of Kutch ????b) The Thar ????c) Ladakh ????d)Atacama
???????????? 298 ???? ????The one-horned Rhinoceros is now restricted to which state? (Answer : C)
???????? ???????? ???????????? a) Mahar ashtr a ????b) Gujar at ????c) Assam ????d)Uttar Pr adesh
???????????? 299 ???? ????Asiatic lion is f ound only in _____ (Answer : A)
???????? ???????? ???????????? a) Gir Forest ????b) Manas ????c) Kasir anga ????d)Sundarbans
???????????? 300 ???? ????________ is a marine tortoise which shows the unique phenomenon ???arribada??? (Answer : A)
???????? ???????? ???????????? a) Olive Ridley ????b) Star T ortoise ????c) Tr avancore T ortoise ????d)b & c
???????????? 301 ???? ????Largest reptile in the world (Answer : B)
???????? ???????? ???????????? a) Dr agon ????b) Anaconda ????c) Crocodile ????d)Python
???????????? 302 ???? ????Snow leopard is f ound in which National Park? (Answer : B)
???????? ???????? ???????????? a) Kazir anga ????b) The Great Himalayan ????c) Bhar atpur ????d)Nagarhole
???????????? 303 ???? ????Point Calimere sanctuary is situated in which state? (Answer : A)
???????? ???????? ???????????? a) Tamilnadu ????b) Ker ala ????c) Karnataka ????d)Gujar at
???????????? 304 ???? ????The movement Beej Bachao Andolan was aimed f or the conservation of ________ (Answer : C)
???????? ???????? ???????????? a) Trees ????b) Shrubs ????c) Crops ????d)Coconut
???????????? 305 ???? ????In which year Silent Valley was declared as National Park? (Answer : C)
???????? ???????? ???????????? a) 1988 ????b) 1982 ????c) 1984 ????d)1981
???????????? 306 ???? ????The Red Data book which lists endangered species is maintained by (Answer : C)
???????? ???????? ???????????? a) UNO ????b) WHO ????c) IUCN ????d)WWF
???????????? 307 ???? ????First Biosphere reserve in India (Answer : A)
???????? ???????? ???????????? a) Nilgiri ????b) Agastyamala ????c) Er avikulam ????d)Chinnar
???????????? 308 ???? ????Flag ship species of Choolannur sanctuary (Answer : B)
???????? ???????? ???????????? a) Tiger ????b) Peacock ????c) Elephant ????d)Rhino
???????????? 309 ???? ????Which of the f ollowing is an extinct species? (Answer : C)
???????? ???????? ???????????? a) Tiger ????b) Lion ????c) Dodo ????d)Ostrich
???????????? 310 ???? ????________ is one of the most endangered species of Indian birds (Answer : D)
???????? ???????? ???????????? a) Bee eater ????b) Par adise fly catcher ????c) Owl ????d)The great Indian bustard
???????????? 311 ???? ????Many wild plant and animals are on the verge of extinction due to (Answer : A)
???????? ???????? ???????????? a) Habitat destruction ????b) Climatic changes ????c) Non availability of f ood ????d)None of the above
???????????? 312 ???? ????The most endangered ecosystem in India (Answer : B)
???????? ???????? ???????????? a) Shola f orest ecosystem ????b) Evergreen f orest ecosystem ????c) Pond ecosystem ????d)Tundr a
Ecosystem
???????????? 313 ???? ????Er avikulam National Park conserves (Answer : D)
???????? ???????? ???????????? a) Lion tailed macaque ????b) Tiger ????c) Elephant ????d)Nilgiri Tahr
???????????? 314 ???? ????First National Park in India (Answer : A)
???????? ???????? ???????????? a) Jim Corbert National Park ????b) Bandipur National Park ????c) Gir National Park ????d)Sunderbans
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???????????? 12 ???? ????World Environment Day (Answer : A)
???????? ???????? ???????????? a) 5th June ????b) 5th July ????c) 5th August ????d)5th September
???????????? 13 ???? ????The biggest award f or environmental activities in India is given in the name of an individual. In whose
name is it constituted? (Answer : C)
???????? ???????? ???????????? a) Lal Bahadur Shasthri ????b) Mor ar ji Desai ????c) Indir a Gandhi ????d)Kamar a j.
???????????? 14 ???? ????All f orms of water that comes down on Earth, including r ain, snow, hail etc. is known as _____________
(Answer : C)
???????? ???????? ???????????? a) Calcification ????b) Fixation ????c) Precipitation ????d)Accumulation
???????????? 15 ???? ????The ocean covers ________ percentage of Earth?s surf ace. (Answer : C)
???????? ???????? ???????????? a) 515 ????b) 0.61 ????c) 0.71 ????d)0.91
???????????? 16 ???? ????The portion of the earth and its environment which can support lif e is known as _________ (Answer : B)
???????? ???????? ???????????? a) Crust ????b) Biosphere ????c) Exosphere ????d)Atmosphere
???????????? 17 ???? ????What is troposphere? (Answer : C)
???????? ???????? ???????????? a) Portion of air ????b) Portion of water ????c) Lowest layer of atmosphere where we survive
????d)Portion of sky
???????????? 18 ???? ????The main energy source f or the environment is ________ (Answer : A)
???????? ???????? ???????????? a) Solar energy ????b) Chemical energy ????c) Bioelectric energy ????d)Electrical energy
???????????? 19 ???? ????What is UNCED? (Answer : C)
???????? ???????? ???????????? a) United Nations Conf erence on Education ????b) United Nations Conf erence on Environmental Day
????c) United Nations Conf erence on Environment and Development ????d)None of these.
???????????? 20 ???? ????Atmospheric humidity is measured by (Answer : C)
???????? ???????? ???????????? a) Auxanometer ????b) Photometer ????c) Hygrometer ????d)None
???????????? 21 ???? ????The area to which a species is biologically adapted to live is known (Answer : B)
???????? ???????? ???????????? a) Niche ????b) Habitat ????c) Succession ????d)Community
???????????? 22 ???? ????Study of inter-relationship between organisms and their environment is called (Answer : A)
???????? ???????? ???????????? a) Ecology ????b) Ecosystem ????c) Phytogeogr aphy ????d)Ethology
???????????? 23 ???? ????The term Ecology was coined by (Answer : B)
???????? ???????? ???????????? a) A.G.Tansley ????b) Earnst Haeckel ????c) Aristotle ????d)Linnaeus
???????????? 24 ???? ????An example of an abiotic component (Answer : B)
???????? ???????? ???????????? a) Plants ????b) Soil ????c) Animals ????d)Bacteria
???????????? 25 ???? ????The area to which a species is biologically adapted to live is known (Answer : B)
???????? ???????? ???????????? a) Niche ????b) Habitat ????c) Succession ????d)Community
???????????? 26 ???? ????The objective of environmental education is (Answer : D)
???????? ???????? ???????????? a) Raise consciousness about environmental education ????b) T o teach environmentally appropriate
behaviour ????c) Create an environmental ethic that f osters awareness about ecological inter-dependence of economics,
social and political ????d)All of the above
???????????? 27 ???? ????Which of the f ollowing is not influenced by human activities? (Answer : A)
???????? ???????? ???????????? a) Depletion of ground water ????b) Destruction of mangroves and wetlands ????c) Increased extinction
r ate of species ????d)None of the above
???????????? 28 ???? ????Environmental education is important only at (Answer : D)
???????? ???????? ???????????? a) Primary school stage ????b) Secondary school stage ????c) Collage stage ????d)All stages
???????????? 29 ???? ????Which of the f ollowing conceptual components of the environment are ef f ective tr ansporters of
matter? (Answer : A)
???????? ???????? ???????????? a) Atmosphere and hydrosphere ????b) (b) Atmosphere and lithosphere ????c) (c) Hydrosphere and
lithosphere ????d)(d) Lithosphere and biosphere
???????????? 30 ???? ????Biosphere is (Answer : B)
???????? ???????? ???????????? a) (a) The solid shell of inorganic materials on the surf ace of the Earth ????b) (b) The thin shell of
organic matter on the surf ace of earth comprising of all the living things ????c) (c) The sphere which occupies the
maximum volume of all the spheres ????d)(d) All of the above
???????????? 31 ???? ????Which of the f ollowing conceptual sphere of the environment is having the least stor age capacity f or
matter? (Answer : A)
???????? ???????? ???????????? a) (a) Atmosphere ????b) (b) Lithosphere ????c) (c) Hydrosphere ????d)(d) Biosphere
???????????? 32 ???? ????Which of the f ollowing is an example of impact of development activities on the Hydrosphere? (Answer
: D)
???????? ???????? ???????????? a) (a) Air pollution ????b) (b) Soil pollution ????c) (c) Soil erosion ????d)(d) Water pollution
???????????? 33 ???? ????Weather occurs in the Earths: (Answer : A)
???????? ???????? ???????????? a) (a) Troposhere ????b) (b) Mesophere ????c) (c) Ionosphere ????d)(d) Thermosphere
???????????? 34 ???? ????Biosphere is a term used to represent the: (Answer : C)
???????? ???????? ???????????? a) (a) Entire atmosphere consisting of troposphere, str atosphere, mesosphere, and thermosphere
????b) (b) Entire hydrosphere-representing the entire collection of water over the Earth as well as inside the Earth ????c) (c)
A small zone of Earth, where the lithosphere, hydrosphere, and atmosphere come in contact with one another ????d)(d)
Entire lithosphere-representing the solid Earth and its interior
???????????? 35 ???? ????The term ecology was introduced by: (Answer : A)
???????? ???????? ???????????? a) (a) Haeckel ????b) (b) Odum ????c) (c) Tansely ????d)(d) Ramdeo Mishr a
???????????? 36 ???? ????The study of inter actions between living and non-living organisms and environment is called (Answer :
B)
???????? ???????? ???????????? a) (a) Ecosystem ????b) (b) Ecology ????c) (c) Phyto-geogr aphy ????d)(d) Phytosociology
???????????? 37 ???? ????An ecosystem consist of (Answer : D)
???????? ???????? ???????????? a) (a) Green plants and animals ????b) (b) Green plants and decomposers ????c) (c) Producers and
consumers ????d)(d) Green plants, animals, decomposers and abiotic environment
???????????? 38 ???? ????The environment which has been modified by human activities is called (Answer : B)
???????? ???????? ???????????? a) (a) Natur al environment ????b) (b) Anthropogenic environment ????c) (c) Modem environment ????d)(d)
Urban environment
???????????? 39 ???? ????Which of the f ollowing statements is not true? (Answer : C)
???????? ???????? ???????????? a) (a) Inorganic nutrients are recycled in an ecosystem ????b) (b) Energy flows through the ecosystem
in the f orm of C-C bonds ????c) (c) Energy is recycled in an ecosystem ????d)(d) Respir ation process releases energy
???????????? 40 ???? ????Driving f orce in an ecosystem is (Answer : C)
???????? ???????? ???????????? a) (a) Plants ????b) (b) Producers ????c) (c) Solar energy ????d)(d) Biomass energy
???????????? 41 ???? ????Physical and chemical components of an ecosystem constitute (Answer : C)
???????? ???????? ???????????? a) (a) Biotic structure ????b) (b) Abioltic structure ????c) (c) Both of these ????d)(d) None of these
???????????? 42 ???? ????Which one of the f ollowing is an abiotic component of the ecosystem? (Answer : C)
???????? ???????? ???????????? a) (a) Bacteria ????b) (b) Plants ????c) (c) Humus ????d)(d) Fungi
???????????? 43 ???? ????Which of the f ollowing is a possible producer in an ecosystem? (Answer : A)
???????? ???????? ???????????? a) (a) Plants ????b) (b) Animals ????c) (c) Human beings ????d)(d) Fish
???????????? 44 ???? ????The organisms which f eed on dead organisms and excreta of living organisms are known (Answer : A)
???????? ???????? ???????????? a) (a) Decomposers ????b) (b) Consumers ????c) (c) Producers ????d)(d) Carnivores
???????????? 45 ???? ????A trophic level ref ers to: (Answer : C)
???????? ???????? ???????????? a) (a) Area in the tropics ????b) (b) An organism?s portion in a f ood chain ????c) (c) An organism?s
position in an ecosystem ????d)(d) An organism?s position in a biome
???????????? 46 ???? ????In a f ood chain animals constitute the: (Answer : C)
???????? ???????? ???????????? a) (a) First trophic level ????b) (b) Second trophic level ????c) (c) Intermediate trophic level ????d)(d)
Ultimate trophic level
???????????? 47 ???? ????The f ood chain in which microorganisms breakdown dead producers is called: (Answer : D)
???????? ???????? ???????????? a) (a) Consumer f ood chain ????b) (b) Predator f ood chain ????c) (c) Par asitic f ood chain ????d)(d) Detritus
f ood chain
???????????? 48 ???? ????Food chain starts with (Answer : A)
???????? ???????? ???????????? a) (a) Producer ????b) (b) Herbivores ????c) (c) Carnivores ????d)(d) Omnivores
???????????? 49 ???? ????In a f ood chain, humans are (Answer : D)
???????? ???????? ???????????? a) (a) Secondary consumers ????b) (b) Primary consumer ????c) (c) Producers ????d)(d) Primary and
secondary consumers both
???????????? 50 ???? ????Which one is the correct f ood chain? (Answer : A)
???????? ???????? ???????????? a) (a) Phytoplankton ?? Zooplankton ?? Fish ????b) (b) Zooplankton ?? Phytoplankton ?? Fish ????c)
(c) Zooplankton ?? Protozoans ?? Fish ????d)(d) Gr ass ?? Fish ?? Zooplankton
???????????? 51 ???? ????A f ood web consists of (Answer : A)
???????? ???????? ???????????? a) (a) Interlocking f ood chains ????b) (b) Producers, consumers and decomposers ????c) (c) A portion of
a f ood chain ????d)(d) A set of similar consumers
???????????? 52 ???? ????Food webs are (Answer : C)
???????? ???????? ???????????? a) (a) One kind of f ood ????b) (b) Not related to f ood chains at all ????c) (c) Inter-connected arr angement
of f ood chains ????d)(d) Linear arr angement of f ood chains
???????????? 53 ???? ????Pyr amid of number is given by (Answer : C)
???????? ???????? ???????????? a) (a) Haeckel ????b) (b) Odum ????c) (c) Elton ????d)(d) Tansely
???????????? 54 ???? ????Which ecological pyr amid is always upright? (Answer : C)
???????? ???????? ???????????? a) (a) Pyr amid of number ????b) (b) Pyr amid of biomass ????c) (c) Pyr amid of energy ????d)(d) Pyr amid of
number and biomass
???????????? 55 ???? ????An ecological pyr amid ref ers to the (Answer : D)
???????? ???????? ???????????? a) (a) Pyr amid of energy ????b) (b) Pyr amid of number ????c) (c) Pyr amid of biomass ????d)(d) All of the
above
???????????? 56 ???? ????An ecosystem may not undergo changes because: (Answer : A)
???????? ???????? ???????????? a) (a) It is in a state of homeostasis ????b) (b) It has plants and animals both ????c) (c) It gets solar
energy continuously ????d)(d) The decomposers are present in it
???????????? 57 ???? ????Energy flow in an ecosystem is always: (Answer : A)
???????? ???????? ???????????? a) (a) Unidirectional ????b) (b) Cyclic ????c) (c) Reversible ????d)(d) Multi-directional
???????????? 58 ???? ????The primary producers in a f orest ecosystem are: (Answer : A)
???????? ???????? ???????????? a) (a) Chlorophyll containing trees and plants ????b) (b) Herbivores ????c) (c) Carnivores ????d)(d) Bacteria
and other micro-organism
???????????? 59 ???? ????The desert among the f ollowing which is not a cold desert is: (Answer : D)
???????? ???????? ???????????? a) (a) Golbi desert ????b) (b) Patagonian desert ????c) (c) Atacama desert ????d)(d) Ma java desert
???????????? 60 ???? ????The darker zone in lakes where light penetr ation is negligible is called the: (Answer : D)
???????? ???????? ???????????? a) (a) Euphotic zone ????b) (b) Littor al zone ????c) (c) Limnetic zone ????d)(d) Benthic zone
???????????? 61 ???? ????The zone of a sea lying over the continental shelf is known as the: (Answer : B)
???????? ???????? ???????????? a) (a) Bathyl zone ????b) (b) Neritic zone ????c) (c) Abyssal zone ????d)(d) Littor al zone
???????????? 62 ???? ????Which one of the f ollowing is not a fresh water biome? (Answer : A)
???????? ???????? ???????????? a) (a) Lotic ????b) (b) Lentic ????c) (c) Spings ????d)(d) Deep sea
???????????? 63 ???? ????Tendency of pollutants to become concentr ated in successive trophic levels is known as: (Answer : A)
???????? ???????? ???????????? a) (a) Biomagnification ????b) (b) Biorhythm ????c) (c) Bioremediation ????d)(d) Biopir acy
???????????? 64 ???? ????Eutrophication is: (Answer : B)
???????? ???????? ???????????? a) (a) An improved water quality status of lakes ????b) (b) The result of accumulation of plant nutrients
in water bodies ????c) (c) A process in the carbon cycle ????d)(d) A water purification technique
???????????? 65 ???? ????Increase in f auna and decrease in flor a would be harmf ul due to increase in: (Answer : B)
???????? ???????? ???????????? a) (a) Diseases ????b) (b) CO ????c) (c) O2 ????d)(d) Radioactive pollution
???????????? 66 ???? ????The largest reservoir of nitrogen an our planet is: (Answer : B)
???????? ???????? ???????????? a) (a) Ocean ????b) (b) Atmosphere ????c) (c) Biosphere ????d)(d) Fossil f uels
???????????? 67 ???? ????Overgr azing results in: (Answer : A)
???????? ???????? ???????????? a) (a) Soil erosion ????b) (b) Retention of usef ul species ????c) (c) Productive soils ????d)(d) All of the
above
???????????? 68 ???? ????In the world, the economy of the India is: (Answer : D)
???????? ???????? ???????????? a) (a) Largest ????b) (b) Third largest ????c) (c) Second largest ????d)(d) Fourth largest
???????????? 69 ???? ????In services output, India is: (Answer : C)
???????? ???????? ???????????? a) 10 ????b) 12 ????c) 15 ????d)4
???????????? 70 ???? ?????Smog? is a mixture of (Answer : A)
???????? ???????? ???????????? a) a) Smoke and Fog ????b) (b) Snow and Fog ????c) ( c) Snow and Dust ????d)(d) Sulphur Dioxide and
Fog
???????????? 71 ???? ????A liquid f uel that was f ormed from the ancient remains of sea plants and animals is (Answer : B)
???????? ???????? ???????????? a) Natur al gasb ????b) Petroleumc ????c) Geothermal energyd ????d)Coal
???????????? 72 ???? ????A poisonous gas given out of vehicles exhaust is (Answer : A)
a) Carbon monoxideb ????b) Ethanec ????c) Methaned ????d)Carbon dioxide
???????????? 73 ???? ????A product of photosynthesis is (Answer : C)
???????? ???????? ???????????? a) Carbon dioxideb ????b) Waterc ????c) Oxygend ????d)Chlorophyll
???????????? 74 ???? ????Atmosphere consists of 79 percent Nitrogen and 21 percent Oxygen by (Answer : B)
???????? ???????? ???????????? a) Volumeb ????b) Weightc ????c) Densityd ????d)All of these
???????????? 75 ???? ????Biogas contains mainly (Answer : B)
???????? ???????? ???????????? a) Carbon dioxideb ????b) Methanec ????c) Butaned ????d)Propane
???????????? 76 ???? ????Carbon dioxide constitutes about 0.03% of the atmosphere (Answer : A)
???????? ???????? ???????????? a) By volume(b ????b) By weight(c ????c) By mass(d ????d)None of these
???????????? 77 ???? ????Development activities on the hydrosphere cause (Answer : C)
???????? ???????? ???????????? a) Air pollutionb ????b) Soil pollutionc ????c) Water pollutiond ????d)Soil erosion
???????????? 78 ???? ????Energy flow in an ecosystem is (Answer : C)
???????? ???????? ???????????? a) Bidirectionalb ????b) Unidirectionalc ????c) Multidirectionald ????d)All rounds
???????????? 79 ???? ????Energy from the heat inside the earth is (Answer : B)
???????? ???????? ???????????? a) a Natur al gas ????b) Geothermalc ????c) Petroleumd ????d)Terr athermal
???????????? 80 ???? ????Energy in the r ays from the sun is called (Answer : A)
???????? ???????? ???????????? a) Solar energyb ????b) Wind energyc ????c) Tidal energyd ????d)Water energy
???????????? 81 ???? ????Environment is the lif e support system that includes (Answer : D)
???????? ???????? ???????????? a) Airb ????b) Waterc ????c) Landd ????d)All of the above
???????????? 82 ???? ????Extensive planting of trees to increase cover is called (Answer : A)
???????? ???????? ???????????? a) Af f orestation(b ????b) Agrof orestation(c ????c) Def orestation(d ????d)Social f orestry
???????????? 83 ???? ????Extensive planting of trees to increase f orest cover is called (Answer : A)
???????? ???????? ???????????? a) Af f orestation, b ????b) Agrof orestry, c ????c) Def orestation, d ????d)Social f orestry
???????????? 84 ???? ????Forest and wild lif e are (Answer : A)
???????? ???????? ???????????? a) Renewable resource(b ????b) Non-renewable resources (c ????c) Inexhaustible resources (d ????d)None
of these
???????????? 85 ???? ????Forests prevent soil erosion by binding soil particles in their (Answer : B)
???????? ???????? ???????????? a) Leaves(b ????b) Roots(c ????c) Buds(d ????d)Stems
???????????? 86 ???? ????Formation of hole in Ozone is maximum over (Answer : C)
???????? ???????? ???????????? a) Indiab ????b) Europec ????c) Antarcticad ????d)Africa
???????????? 87 ???? ????Fossil f uel and metallic miner als are: (Answer : C)
???????? ???????? ???????????? a) Renewable resource (b ????b) Inexhaustible resources (c ????c) Non-renewable resources (d ????d)None
of these
???????????? 88 ???? ????Green house ef f ect is linked to (Answer : C)
???????? ???????? ???????????? a) Nitrogen oxidesb ????b) Sulphur dioxidesc ????c) Carbon dioxidesd ????d)Carbon monoxides
???????????? 89 ???? ????In our country the percentage of land under f orest is about: (Answer : B)
???????? ???????? ???????????? a) 20%(b ????b) 19%(c ????c) 25%(d ????d)30%
???????????? 90 ???? ????In respect of water crisis, there have been conflicts/disputes between two countries, or states of the
same country. Which of the f ollowing has never been the case of water conflict? (Answer : D)
???????? ???????? ???????????? a) Cauvery water dispute between Tamil Nadu and Karnataka (b ????b) Yamuna-Betwa dispute between
U.P. and M.P. (c ????c) Sutlej Yamuna Link (SYL ????d)canal dispute between Pun jab and Haryana (d
???????????? 91 ???? ????Instrumentation technology used to locate suitable places f or mining (Answer : C)
???????? ???????? ???????????? a) a) Microscope ????b) b) Salinometer ????c) c) GIS ????d)d) camer a tr ap
???????????? 92 ???? ????Kaveri water dispute is in between: (Answer : D)
???????? ???????? ???????????? a) India and Pakistan (b ????b) Pun jab and Haryana (c ????c) Uttar Pr adesh and Madhya Pr adesh (d
????d)Karnataka and Tamil Nadu
???????????? 93 ???? ????Khetri (Ra jasthan) is f amous f or: (Answer : B)
???????? ???????? ???????????? a) Coal mines(b ????b) Copper mines(c ????c) Gr anite stone(d ????d)Marble stone
???????????? 94 ???? ????Main source of acid r ain is (Answer : A)
???????? ???????? ???????????? a) Sulphur dioxideb ????b) Nitrogenc ????c) Carbon dioxided ????d)Carbon monoxide
???????????? 95 ???? ????Ma jor consumer of wood from f orest is ___________ (Answer : B)
???????? ???????? ???????????? a) Thermal Power Plant ????b) Paper Industry ????c) Chemistry Industry ????d)none
???????????? 96 ???? ????Moisture in the air is known as (Answer : D)
???????? ???????? ???????????? a) a) Water ????b) (b) Fog ????c) ( c) Snow ????d)(d) Humidity
???????????? 97 ???? ????Name the country which virtually closed cod fishery in the 1990?s due to depletion of fish reserves
(Answer : A)
???????? ???????? ???????????? a) a) Canada ????b) b) Argentina ????c) c) Italy ????d)d) India
???????????? 98 ???? ????Name the financial agency which hesistate to support the Sardar Sarovar Pro ject in India in 1993 a result
of the demands of local people threatened with the loss of their livelihoods and homes in the submergence area.
(Answer : B)
???????? ???????? ???????????? a) a) Swiss bank ????b) b) World Bank ????c) c) Bank of India ????d)d) International Monetary Fund
???????????? 99 ???? ????Nitrogen constitutes about 78% of the atmosphere (Answer : C)
???????? ???????? ???????????? a) By weight(b ????b) By mass(c ????c) By volume(d ????d)None of these
???????????? 100 ???? ????Noise is measured by sound meter and the unit is (Answer : C)
???????? ???????? ???????????? a) Hertzb ????b) Joulec ????c) Decibeld ????d)Seconds
???????????? 101 ???? ????One of India?s serious environmental problems is f orest degr adation. What is the main cause of f orest
degr adation? (Answer : A)
???????? ???????? ???????????? a) timber extr action ????b) honey extr action ????c) high altitude ????d)Low Rainf all
???????????? 102 ???? ????Ozone day is observed on (Answer : B)
???????? ???????? ???????????? a) 3rd Januaryb ????b) 16th Septemberc ????c) 10th Novemberd ????d)26th March
???????????? 103 ???? ????Ozone Umbrella is located in which layer of atmosphere (Answer : B)
???????? ???????? ???????????? a) a) Troposphere ????b) (b) Str atosphere ????c) (c) Mesosphere ????d)(d) Ionosphere
???????????? 104 ???? ????Peeling of Ozone umbrella, which protects us from UV r ays, is caused by (Answer : B)
???????? ???????? ???????????? a) Carbon monoxideb ????b) CFCsc ????c) Coal burningd ????d)Methane
???????????? 105 ???? ????Soil erosion removes surf ace soil which contains (Answer : A)
???????? ???????? ???????????? a) Organic matterb ????b) Plant nutrientsc ????c) Both a and bd ????d)none of the above
???????????? 106 ???? ????Sustainable development means (Answer : C)
???????? ???????? ???????????? a) a. meeting present needs without compromising on f uture needs ????b) b. progress of human beings
????c) c. balance between human needs and the ability of earth to provide the resources ????d)d. all of the above
???????????? 107 ???? ????The adverse ef f ect of modern agriculture is (Answer : B)
???????? ???????? ???????????? a) Water pollutionb ????b) Soil degr adationc ????c) Water loggingd ????d)All of the above
???????????? 108 ???? ????The f ossil f uel that is derived from the dead remains of plants that grew some 250 million years ago is
(Answer : C)
???????? ???????? ???????????? a) Petroleumb ????b) Natur al gasc ????c) Coald ????d)LPG
???????????? 109 ???? ????The impact of construction of dams (Answer : D)
???????? ???????? ???????????? a) Submerged f orest b ????b) Loss of wild lif e habitat c ????c) Damages downstream ecosystem d ????d)All
of the above
???????????? 110 ???? ????The ma jor cause f or land degr adation in our country is (Answer : A)
???????? ???????? ???????????? a) Soil erosion(b ????b) Pollution of soil(c ????c) Water-logging(d ????d)None of the above
???????????? 111 ???? ????The ma jor reason f or floods in the rivers Ganges and Br ahmaputr a is ________ (Answer : B)
???????? ???????? ???????????? a) a) Dams in Himalayas ????b) b) Def orestation in Himalayas ????c) c) Heavy r ains ????d)d) Melting of ice
???????????? 112 ???? ????The method of r ainwater harvesting which can be adopted by individual house owners is (Answer : D)
???????? ???????? ???????????? a) Construction of recharge trenches (b ????b) On channel stor age of water (c ????c) Creation of new
water bodies (d ????d)Roof-top r ainwater harvesting
???????????? 113 ???? ????The percentage of total world?s precipitation, which is lost to the atmosphere through evapor ation,
approximates to: (Answer : A)
???????? ???????? ???????????? a) 57%(b ????b) 7%(c ????c) 37%(d ????d)43%
???????????? 114 ???? ????The process of restoring f orests that once existed but was removed at some time in the past is known
as (Answer : B)
???????? ???????? ???????????? a) Af f orestationb ????b) Ref orestationc ????c) Def orestationd ????d)None of these
???????????? 115 ???? ????The share of Hydropower (Hydel pro jects) in worlds commercial electricity production is less than ________
(Answer : D)
???????? ???????? ???????????? a) 2.00% ????b) 4.00% ????c) 12.00% ????d)20.00%
???????????? 116 ???? ????The species restricted to be present in one region are called (Answer : B)
???????? ???????? ???????????? a) Edge speciesb ????b) Endemic species c ????c) Endangered species d ????d)Keystone species
???????????? 117 ???? ????The teeth are likely to be pitted, more susceptible to cavities and wear, when the fluoride concentr ation
is: (Answer : D)
???????? ???????? ???????????? a) More than 2 mg/1 (b ????b) More than 40 mg/1 (c ????c) More than 20 mg/1 (d ????d)More than 4 mg/1
???????????? 118 ???? ????The term ?Environment? has been derived from the French word which means to encircle or surround
(Answer : A)
???????? ???????? ???????????? a) Environb ????b) Oikosc ????c) Geod ????d)Aqua
???????????? 119 ???? ????Wetlands in the flood plains of rivers are also considered as nature?s ________ (Answer : C)
???????? ???????? ???????????? a) a) Heat sink ????b) b) carbon sink ????c) c) flood control systems ????d)d) swimming pool
???????????? 120 ???? ????What are rodenticides? (Answer : C)
???????? ???????? ???????????? a) that kill fishes ????b) that kill insects ????c) that kill r ats ????d)that kill crocos
???????????? 121 ???? ????What is Kyoto Protocol? (Answer : A)
???????? ???????? ???????????? a) a. It is an agreement among countries to take steps f or reducing global warming. ????b) b. It is an
agreement among countries to take steps f or reducing acid r ain. ????c) c. It is an agreement among countries to take steps
f or planting trees to control pollution. ????d)d. It is an agreement among countries to start using nuclear energy.
???????????? 122 ???? ????What is the ma jor limiting f actor in the arid areas of our country? (Answer : C)
???????? ???????? ???????????? a) a) Money ????b) b) f orests ????c) c) water ????d)d) soil
???????????? 123 ???? ????What kind of people are the most ill-af f ected by the construction of dams? (Answer : D)
???????? ???????? ???????????? a) a) Urban dwellers ????b) b) beach dwellers ????c) c) tourists ????d)d) tribal people
???????????? 124 ???? ????When fluoride concentr ation in H2O exceeds about 1.5 mg/1, the disease that may be caused, is
(Answer : B)
???????? ???????? ???????????? a) Dental caries in children(b ????b) Fluorosis(c ????c) Polymyelitis(d ????d)Methemoglobinemia
???????????? 125 ???? ????Which among the f ollowing is a sedimentary type of cycle? (Answer : A)
???????? ???????? ???????????? a) Sulphur cycle(b ????b) Nitrogen cycle(c ????c) Oxygen cycle(d ????d)Carbon cycle
???????????? 126 ???? ????Which gas is responsible f or ozone layer depletion around earth? (Answer : B)
???????? ???????? ???????????? a) Carbon dioxideb ????b) Chlorofluorocarbonsc ????c) Oxygend ????d)Nitrogen oxide
???????????? 127 ???? ????Which gas is responsible f or the global warming? (Answer : B)
???????? ???????? ???????????? a) Nitrogenb ????b) Carbon dioxidec ????c) Noble gasesd ????d)Hydrogen
???????????? 128 ???? ????Which is a list of renewable resources? (Answer : D)
???????? ???????? ???????????? a) Petroleum, geothermal, wind b ????b) Biomass, geothermal, hydropower c ????c) Natur al gas, wind,
biomass d ????d)Hydropower, solar, wind energy
???????????? 129 ???? ????Which is the only country who has not r atified the Kyoto Protocol yet? (Answer : A)
???????? ???????? ???????????? a) United States ????b) Austr alia ????c) Japan ????d)India
???????????? 130 ???? ????Which of below items is the ma jor sector which extr acts most of fresh water available f or utilization?
(Answer : D)
???????? ???????? ???????????? a) domestic use ????b) drinking water ????c) bever age industry ????d)agriculture
???????????? 131 ???? ????Which of the f ollowing are consequences of ozone depletion (Answer : A)
???????? ???????? ???????????? a) Skin cancer and catar actb ????b) Reduced growth in plants c ????c) Shortening of zooplanktons and
their breeding period d ????d)All of the above
???????????? 132 ???? ????Which of the f ollowing are ma jor environmental issues involved in mining? (Answer : D)
???????? ???????? ???????????? a) air pollutionb ????b) water pollutionc ????c) soil degr adationd ????d)all of the above
???????????? 133 ???? ????Which of the f ollowing ef f ect is responsible f or Global Warming? (Answer : A)
???????? ???????? ???????????? a) Green house ef f ectb ????b) Radioactive ef f ectc ????c) Solar ef f ectd ????d)Nuclear ef f ect
???????????? 134 ???? ????Which of the f ollowing is management option f or air pollution? (Answer : D)
???????? ???????? ???????????? a) Regulations and standardsb ????b) Tr ansport planningc ????c) Using CNG as f ueld ????d)All of these
???????????? 135 ???? ????Which of the f ollowing is not a method f or water conservation? (Answer : B)
???????? ???????? ???????????? a) Rainwater harvesting(b ????b) Groundwater extr action (c ????c) Improving irrigation ef ficiency (d
????d)Avoiding water wastage
???????????? 136 ???? ????Which of the f ollowing is not a viable protection against def orestation? (Answer : C)
???????? ???????? ???????????? a) Reduce the consumption of f orest and related products (b ????b) Boycott products of companies
involve in def orestation (c ????c) Privatisation of f orest land (d ????d)Environmental education
???????????? 137 ???? ????Which of the f ollowing is not influenced by human activities? (Answer : D)
???????? ???????? ???????????? a) Destruction of mangroves and wetlands b ????b) Depletion of ground water c ????c) Increased
extinction r ate of species d ????d)None of the above
???????????? 138 ???? ????Which of the f ollowing is not true about def orestation? (Answer : C)
???????? ???????? ???????????? a) Population explosion is one of the reasons f or def orestation (b ????b) Cleaning of f orest f or
agriculture causes def orestation. (c ????c) Def orestation is taking place only in developing courtiers. (d ????d)Cash crop
economy of third world is a cause of def orestation.
???????????? 139 ???? ????Which of the f ollowing is responsible f or desertification? (Answer : D)
???????? ???????? ???????????? a) Def orestation(b ????b) Mining(c ????c) Overgr azing(d ????d)All of the above
???????????? 140 ???? ????Which of the f ollowing statements about the f orest is not correct? (Answer : D)
???????? ???????? ???????????? a) Forest reduces soil erosion (b ????b) Provides recreational opportunities (c ????c) Provides economic
development (d ????d)None of the above
???????????? 141 ???? ????Which of these is not a f ossil f uel? (Answer : D)
???????? ???????? ???????????? a) Coalb ????b) Oilc ????c) Natur al gasd ????d)Ur anium
???????????? 142 ???? ????Which one of the f ollowing is not an ideal solution f or tackling water shortages? (Answer : D)
???????? ???????? ???????????? a) Controlling population growth (b ????b) Conserving water in irrigation (c ????c) Controlling water
pollution (d ????d)Drilling large number of deep bore wells
???????????? 143 ???? ????Which one of the f ollowing regions in India is a hotspot of biodiversity? (Answer : B)
???????? ???????? ???????????? a) Sundarbansb ????b) Western Ghatsc ????c) Eastern Ghatsd ????d)Gangetic plains
???????????? 144 ???? ????World environment day is on: (Answer : B)
???????? ???????? ???????????? a) 5th Mayb ????b) 5th Junec ????c) 18th Julyd ????d)16th August
???????????? 145 ???? ????World Forest day is celebr ated on (Answer : A)
???????? ???????? ???????????? a) 21st March b ????b) 5th June c ????c) 1st Dec d ????d)7th June
???????????? 146 ???? ????Yellowing of Ta j Mahal is an ef f ect of (Answer : A)
???????? ???????? ???????????? a) Acid r ainb ????b) Global warmingc ????c) Ozone depletiond ????d)All of the above
???????????? 147 ???? ????Green Revolution in India was initiated by __________ (Answer : A)
???????? ???????? ???????????? a) M.S. Swaminathan ????b) Sunderlal Bahuguna ????c) Kurien ????d)Medha Patkar
???????????? 148 ???? ????Who wrote the book Violence of Green Revolution (Answer : A)
???????? ???????? ???????????? a) Vandana Siva ????b) Sheela Dikshit ????c) Menaka Gandhi ????d)Arundhathi Roy.
???????????? 149 ???? ????World Forest day is celebr ated on (Answer : A)
???????? ???????? ???????????? a) 21st March ????b) 5th June ????c) 1st Dec ????d)7th June
???????????? 150 ???? ????The Chipko movement is started by (Answer : B)
???????? ???????? ???????????? a) Engler ????b) Sunderlal Bahuguna ????c) Medha Padkar ????d)None of these
???????????? 151 ???? ????Green revolution is associated with _________ (Answer : B)
???????? ???????? ???????????? a) sericulture ????b) Agriculture ????c) Fish culture ????d)silviculture
???????????? 152 ???? ????Which gas is likely to be reduced in the atmosphere by def orestation? (Answer : C)
???????? ???????? ???????????? a) Carbon dioxide ????b) Nitrogen ????c) Oxygen ????d)Sulphur dioxide
???????????? 153 ???? ????Extensive planting of trees to increase f orest cover is called (Answer : A)
???????? ???????? ???????????? a) Af f orestation ????b) Agrof orestry ????c) Def orestation ????d)Social f orestry
???????????? 154 ???? ????Soil erosion can be prevented by (Answer : B)
???????? ???????? ???????????? a) Def orestation ????b) Af f orestation ????c) Overgr azing ????d)Removal of vegetation
???????????? 155 ???? ????The components of LPG are _____________ (Answer : B)
???????? ???????? ???????????? a) Methane & Hexane ????b) Propane & Butane ????c) Ethane & Methane ????d)Propane & Ethane
???????????? 156 ???? ????Which of the f ollowing is the most responsible f or world water crisis? (Answer : C)
???????? ???????? ???????????? a) Dams ????b) Floods ????c) Drought ????d)Population growth
???????????? 157 ???? ????The resources that can be replaced by natur al ecological cycle is called (Answer : A)
???????? ???????? ???????????? a) Renewable ????b) Non-renewable ????c) exhaustible ????d)natur al
???????????? 158 ???? ????The amount of solar r adiation reaching the surf ace of the earth is called (Answer : A)
???????? ???????? ???????????? a) Solar flux ????b) reflected light ????c) miner als ????d)solvents
???????????? 159 ???? ????The most harmf ul of ultr aviolet r adiations are (Answer : A)
???????? ???????? ???????????? a) UV-C ????b) UV-B ????c) UV-A ????d)All the above
???????????? 160 ???? ????A renewable source of energy is (Answer : D)
???????? ???????? ???????????? a) Petroleum ????b) Coal ????c) Nuclear f uel ????d)Trees
???????????? 161 ???? ????The capacity to do work is termed as (Answer : D)
???????? ???????? ???????????? a) Power ????b) Force ????c) Strength ????d)Energy
???????????? 162 ???? ????The unit of total water content of the soil is known as (Answer : A)
???????? ???????? ???????????? a) Holard ????b) Chr aserd ????c) Echard ????d)All of the above
???????????? 163 ???? ????Pedology? (Answer : C)
???????? ???????? ???????????? a) Study of water ????b) Study of air ????c) Study of soil ????d)none
???????????? 164 ???? ????What is def orestation? (Answer : B)
???????? ???????? ???????????? a) Product of f orest ????b) Destruction of f orest ????c) Forest Protection ????d)none
???????????? 165 ???? ????Def orestation gener ally decreases (Answer : D)
???????? ???????? ???????????? a) Global Warming ????b) Drought ????c) Soil erosion ????d)Rainf all
???????????? 166 ???? ????Which among the f ollowing result in the f ormation of soil? (Answer : B)
???????? ???????? ???????????? a) Radiation ????b) Weathering ????c) Erosion ????d)Pollution
???????????? 167 ???? ????Mulching helps in (Answer : B)
???????? ???????? ???????????? a) soil f ertility ????b) moisture conservation ????c) improvements soil structure ????d)soil sterility
???????????? 168 ???? ????........................ is an example of ?bottom f eeders?. (Answer : A)
???????? ???????? ???????????? a) Cat fish ????b) Frog ????c) Snake ????d)Tadpole ????e)
???????????? 169 ???? ????..................... trees shed their leaves during winter and hot summer. (Answer : C)
???????? ???????? ???????????? a) (a) ever green ????b) b) conif erous ????c) c) deciduous ????d)d) Shola
???????????? 170 ???? ????...................... is a cold desert in India (Answer : B)
???????? ???????? ???????????? a) Thar ????b) Ladakh ????c) Ran of Kutch ????d)Bhopal
???????????? 171 ???? ????A lake ecosystem f unctions as a (Answer : A)
???????? ???????? ???????????? a) Ter ai ????b) Shola gr asslands ????c) Semi arid plains ????d)Himalayan pastures
???????????? 172 ???? ????An example of nitrogen fixing bacteria in the soil (Answer : C)
???????? ???????? ???????????? a) Rhizobium ????b) Nostoc ????c) Azotobacter ????d)Nitrobacter
???????????? 173 ???? ????An example of one way ecological cycle is (Answer : C)
???????? ???????? ???????????? a) carbon dioxide cycle ????b) water cycle ????c) energy cycle ????d)oxygen cycle
???????????? 174 ???? ????Br ackish water ecosystems in river deltas are among (Answer : B)
???????? ???????? ???????????? a) Least productive ecosystems ????b) Most productive in terms of biomass production ????c) c)
Unproductive d) Stagnant ecosystems ????d)
???????????? 175 ???? ????Ecology is (Answer : C)
???????? ???????? ???????????? a) The science that studies the evolution of lif e, ????b) b) Integr ates both social and natur al sciences to
help us understand how the earth works, ????c) c) The study of the relationships between organisms and their
environment ????d)d) The study of the environment in the absence of humans
???????????? 176 ???? ????Forests grow in high r ain f all areas are (Answer : A)
???????? ???????? ???????????? a) (a) ever green f orests ????b) b) temper ate f orests ????c) c) conif ers ????d)d) Tundr a
???????????? 177 ???? ????Fungi is a (Answer : D)
???????? ???????? ???????????? a) Macroconsumer ????b) Producer ????c) Carnivore d ????d)Microconsumer
???????????? 178 ???? ????Nitrogen fixing blue green alga (Answer : C)
???????? ???????? ???????????? a) Clostridium ????b) Rhizobium ????c) Nostoc ????d)Nitrosomonas
???????????? 179 ???? ????Nitrogen gas returns to the atmosphere by the action of (Answer : B)
???????? ???????? ???????????? a) Nitrogen fixing bacteria ????b) Denitrif ying bacteria ????c) Nitrif ying bacteria ????d)Nitr ate f ertilizers
???????????? 180 ???? ????Patches of tall gr asslands interspersed with Sal f orest ecosystem is (Answer : A)
???????? ???????? ???????????? a) ????b) ????c) ????d)
???????????? 181 ???? ????Ramsar Convention ref ers to the conservation of ____________ (Answer : B)
???????? ???????? ???????????? a) (a) Deserts ????b) b) Wetlands ????c) c) Agriculture lands, ????d)d) Forest land
???????????? 182 ???? ????Some species whose removal can af f ect the survival of an ecosystem are called (Answer : B)
???????? ???????? ???????????? a) ????b) b) Keystone species ????c) c) Producers ????d)d) Carnivores
???????????? 183 ???? ????Sunderbans is home to (Answer : B)
???????? ???????? ???????????? a) Giant permanent pond ????b) Tempor ary aquatic system ????c) Simplest aquatic ecosystem ????d)Water
tank
???????????? 184 ???? ????The conversion of ammonia to nitr ate is known as ________ (Answer : B)
???????? ???????? ???????????? a) (a) ammonification ????b) b) nitrification ????c) c) denitrification ????d)d) all of these
???????????? 185 ???? ????The f orests which occur in law r ain f all area is (Answer : B)
???????? ???????? ???????????? a) (a) Evergreen f orests ????b) b) deciduous f orests ????c) c) Conif erous f orest ????d)d) All the above.
???????????? 186 ???? ????The inherent ability of organisms to reproduce and multiply is called, (Answer : B)
???????? ???????? ???????????? a) C value ????b) b) biotic potential ????c) c) carrying capacity ????d)d) K value
???????????? 187 ???? ????The largest br ackish water lake situated in Asia is in Orissa. Which is the lake? (Answer : A)
???????? ???????? ???????????? a) (a) Chilka lake ????b) b) Vembanad lake ????c) c) Woolar lake ????d)d) Dal lake
???????????? 188 ???? ????The Little Rann of Kutch is home to (Answer : D)
???????? ???????? ???????????? a) Horse ????b) b) Great Indian Bustard ????c) c) Lion ????d)d) Wild Ass
???????????? 189 ???? ????The presence of which is necessary f or photosynthesis (Answer : B)
???????? ???????? ???????????? a) (a) Chlorof orm ????b) b) Chlorophyll ????c) c) Phosphorus ????d)d) Polymer
???????????? 190 ???? ????The process through which ecosystems tend to change after a period of time is called (Answer : A)
???????? ???????? ???????????? a) ????b) ????c) ????d)
???????????? 191 ???? ????The species that flower are called (Answer : C)
???????? ???????? ???????????? a) (a) gymnosperms ????b) b) bryophytes ????c) c) angiosperms ????d)d) algae
???????????? 192 ???? ????The term ?Eco? implies (Answer : A)
???????? ???????? ???????????? a) Environment ????b) Ecotone ????c) Ecotourism ????d)Soil
???????????? 193 ???? ????The term ?Ecology? was coined by (Answer : B)
???????? ???????? ???????????? a) A.G.Tansley ????b) Earnst Haeckel ????c) Aristotle ????d)Linnaeus
???????????? 194 ???? ????The word Biophilia was coined by (Answer : D)
???????? ???????? ???????????? a) Dr. Hackel ????b) Dr.Johanssen ????c) Dr. Ben jamine ????d)E. O. Wilson
???????????? 195 ???? ????What is Dendrology? (Answer : C)
???????? ???????? ???????????? a) Study of Plants ????b) Study of Butterflies ????c) Study of Trees ????d)None of these
???????????? 196 ???? ????What is edge species? (Answer : A)
???????? ???????? ???????????? a) The species which occur abundantly in the ecotone ????b) b) Species on the verge of extinction ????c)
c) Rare species ????d)d) Endemic species
???????????? 197 ???? ????What is symbiosis? (Answer : C)
???????? ???????? ???????????? a) Study of distribution of related species ????b) b) Association between members of same species
????c) c) Association between members of two species ????d)d) None
???????????? 198 ???? ????When number of f ood chains is interlocked this is called (Answer : C)
???????? ???????? ???????????? a) f ood link ????b) f ood chain ????c) f ood web ????d)pyr amid
???????????? 199 ???? ????Which is an example f or sedimentary biogeochemical cycle (Answer : D)
???????? ???????? ???????????? a) Oxygen cycle ????b) Nitrogen cycle ????c) Water cycle ????d)Phosphorus cycle
???????????? 200 ???? ????Which is the second largest in species richness? (Answer : C)
???????? ???????? ???????????? a) Desert ????b) b) Tundr a ????c) c) Cor al reefs ????d)d) Flowing water
???????????? 201 ???? ????Gr assland of USA is ref erred to as (Answer : A)
???????? ???????? ???????????? a) Pr airies ????b) Steppes ????c) Pampas ????d)Veldts
???????????? 202 ???? ????The complex network of interconnected f ood chains is called ___________ (Answer : B)
???????? ???????? ???????????? a) Trophic level ????b) Food web ????c) Ecological pyr amid ????d)Ecology chain
???????????? 203 ???? ????The animal which consumes decaying organic matter is _________ (Answer : B)
???????? ???????? ???????????? a) Carnivore ????b) Detritivore ????c) Herbivore ????d)Producers
???????????? 204 ???? ????An ecosystem gr adually merges with an adjoining one through a tr ansitional zone is called the
______________ (Answer : C)
???????? ???????? ???????????? a) Ecological niche ????b) ecological f ootprint ????c) ecotone ????d)Shore ef f ect
???????????? 205 ???? ????The Primary Consumers are also called as (Answer : A)
???????? ???????? ???????????? a) Herbivores ????b) Carnivores ????c) Enzymes ????d)None of these
???????????? 206 ???? ????The f orests which occur in law r ain f all area is called (Answer : B)
???????? ???????? ???????????? a) Evergreen f orests ????b) deciduous f orests ????c) Conif erous f orest ????d)All the above
???????????? 207 ???? ????Favor able morphological and physiological response to a change in environment is called (Answer : D)
???????? ???????? ???????????? a) Preadaptation ????b) Ecotyping ????c) Formation of ecophenes ????d)Acclimatization
???????????? 208 ???? ????Plants adapted to open, sunny habitats are (Answer : B)
???????? ???????? ???????????? a) Sciophytes ????b) Heliophytes ????c) Mesophytes ????d)Epiphytes
???????????? 209 ???? ????Temper ate f orests occur in India in (Answer : B)
???????? ???????? ???????????? a) Indo-gangetic plains ????b) Himalayas ????c) Eastern India ????d)Southern peninsula
???????????? 210 ???? ????In India, tropical evergreen f orests occur in (Answer : C)
???????? ???????? ???????????? a) Himachal Pr adesh ????b) Madhya Pr adesh ????c) Assam ????d)Tamil Nadu
???????????? 211 ???? ????Which one is natures cleaner? (Answer : C)
???????? ???????? ???????????? a) Consumers ????b) Producers ????c) Decomposers and Scavengers ????d)Symbionts
???????????? 212 ???? ????The relationship between nitrogen fixing bacteria and leguminous plants is an example f or (Answer : C)
???????? ???????? ???????????? a) Par asitism ????b) Predation ????c) Mutualism ????d)Symbiosis
???????????? 213 ???? ????______ trees shed their leaves during winter and hot summer. (Answer : C)
???????? ???????? ???????????? a) Ever green ????b) Conif erous ????c) Deciduous ????d)Shola
???????????? 214 ???? ????Thorn f orests are f ound in the_______ regions (Answer : A)
???????? ???????? ???????????? a) Semi-arid ????b) High r ain f all areas ????c) Low temper ature ????d)Frozen areas
???????????? 215 ???? ????________ is a cold desert in India (Answer : B)
???????? ???????? ???????????? a) Thar ????b) Ladakh ????c) Ran of Kutch ????d)Bhopal
???????????? 216 ???? ????______ is an example of bottom f eeders (Answer : A)
???????? ???????? ???????????? a) Cat fish ????b) Frog ????c) Snake ????d)Tadpole
???????????? 217 ???? ????A Hawk that eats a frog is a (Answer : D)
???????? ???????? ???????????? a) Producer ????b) Primary Consumer ????c) Secondary Consumer ????d)Tertiary Consumer
???????????? 218 ???? ????An example of lotic system (Answer : B)
???????? ???????? ???????????? a) Pond ????b) River ????c) Lake ????d)Reservoir
???????????? 219 ???? ????Complex interlinked f ood chains are called (Answer : A)
???????? ???????? ???????????? a) Food Web ????b) Food net work ????c) Trophic levels ????d)Food pyr amid
???????????? 220 ???? ????Lotic ecosystem ref ers to (Answer : B)
???????? ???????? ???????????? a) Static water system ????b) Ecosystem of flowing water ????c) Ecosystem of estuaries ????d)Deep
marine water system
???????????? 221 ???? ????Autotrophs are ______________ (Answer : D)
???????? ???????? ???????????? a) Consumers ????b) Herbivores ????c) Saprophytes ????d)Producers
???????????? 222 ???? ????Organisms which depened on Producers f or nutrition are called (Answer : C)
???????? ???????? ???????????? a) Autotrophs ????b) Saprophytes ????c) Consumers ????d)Xerophytes
???????????? 223 ???? ????The source of atmospheric oxygen is (Answer : B)
???????? ???????? ???????????? a) Nitrogen cycle ????b) Green Plants ????c) Water ????d)Carbon Cycle
???????????? 224 ???? ????Plants which grow in shade are called (Answer : A)
???????? ???????? ???????????? a) Sciophytes ????b) Heliophytes ????c) Oxylophytes ????d)Epiphytes
???????????? 225 ???? ????Photosynthesis is f ound in (Answer : A)
???????? ???????? ???????????? a) Producers ????b) Decomposers ????c) Consumers ????d)Scavengers
???????????? 226 ???? ????Phytoplankton are (Answer : B)
???????? ???????? ???????????? a) Producers of f orest ????b) Producers of lakes ????c) Consumers of Ocean ????d)Omnivores
???????????? 227 ???? ????Gas released during photosynthesis is (Answer : C)
???????? ???????? ???????????? a) Methane ????b) Nitrogen ????c) Oxygen ????d)Carbon dioxide
???????????? 228 ???? ????The ma jor reservoir of carbon is (Answer : B)
???????? ???????? ???????????? a) The atmosphere ????b) Ocean Bed ????c) Plant and animals ????d)Rock
???????????? 229 ???? ????The simplest aquatic ecosystem can be seen in a (Answer : C)
???????? ???????? ???????????? a) River ????b) Lake ????c) Pond ????d)Water Tank
???????????? 230 ???? ????What is hibernation and aestivation? (Answer : A)
???????? ???????? ???????????? a) Thermal adaptation shown by animals ????b) wind adaptation shown by animals ????c) adaptation of
animals to escape from predators ????d)None
???????????? 231 ???? ????What is lentic habitat ? (Answer : B)
???????? ???????? ???????????? a) Running water habitat ????b) Standing or still water habitat ????c) Marine habitat ????d)None
???????????? 232 ???? ????What is lotic habitat? (Answer : C)
???????? ???????? ???????????? a) Standing or still water habitat ????b) Marine habitat ????c) Running water habitat ????d)Stagnant water
???????????? 233 ???? ????What is Plankton? (Answer : A)
???????? ???????? ???????????? a) Microscopic floating organisms ? Plants and animals. ????b) bottom dwelling aquatic organisms ????c)
Large plants in water ????d)None
???????????? 234 ???? ????What is Canopy? (Answer : A)
???????? ???????? ???????????? a) Uppermost level of the f orest ????b) Ground level of the f orest ????c) Soil in f orest ????d)Climbers on
trees
???????????? 235 ???? ????North American gr assland are called (Answer : B)
???????? ???????? ???????????? a) Pampas ????b) Pr airies ????c) Savannah ????d)None
???????????? 236 ???? ????African gr asslands are called (Answer : C)
???????? ???????? ???????????? a) Pr airies ????b) Pampas ????c) Savannah ????d)None
???????????? 237 ???? ????Green plants are absent in deep sea. Why? (Answer : A)
???????? ???????? ???????????? a) Light is absent ????b) High pressure ????c) low temper ature ????d)Great depth
???????????? 238 ???? ????What is desertification? (Answer : D)
???????? ???????? ???????????? a) Conversion of f orests into desert ????b) Conversion of croplands into desert ????c) Conversion of
gr assland into desert ????d)all of the above
???????????? 239 ???? ????The first trophic level in a f ood chain (Answer : A)
???????? ???????? ???????????? a) Green Plants ????b) Herbivores ????c) Carnivores ????d)Bacteria
???????????? 240 ???? ????Sulphur bacteria are examples of (Answer : D)
???????? ???????? ???????????? a) Carnivores ????b) Heterotrophs ????c) Saprophytes ????d)Autotrophs
???????????? 241 ???? ????Green Land biome (Answer : B)
???????? ???????? ???????????? a) Tundr a ????b) Pampas ????c) Taiga ????d)Thaar.
???????????? 242 ???? ????What is deep ecology? (Answer : A)
???????? ???????? ???????????? a) Protecting nature f or its own sake ????b) Ecology of deep sea ????c) Ecology of f orest ????d)Ecology of
caves
???????????? 243 ???? ????Cor al reefs in India can be seen in (Answer : B)
???????? ???????? ???????????? a) Himalayan region ????b) Andaman and Nicobar Islands ????c) Uttarpr adesh ????d)Mahar ashtr a
???????????? 244 ???? ????____________ is one of the most endangered species of Indian birds (Answer : D)
???????? ???????? ???????????? a) Bee eater ????b) Par adise fly catcher ????c) Owl ????d)The great Indian bustard
???????????? 245 ???? ????................. species is known as Azadir achta Indica (Answer : A)
???????? ???????? ???????????? a) Neem ????b) Mango ????c) Jackfruit ????d)Banana
???????????? 246 ???? ????.................... is a marine tortoise which shows the unique phenomenon ?arribada? (Answer : A)
???????? ???????? ???????????? a) Olive Ridley ????b) Star T ortoise ????c) Tr avancore T ortoise ????d)b & c
???????????? 247 ???? ????.................... tree is known as ?flame of the f orest?? (Answer : B)
???????? ???????? ???????????? a) Zizyphus ????b) Butea monosperma ????c) Jackfruit ????d)Pongamea
???????????? 248 ???? ????All are insitu conservation ef f orts except (Answer : C)
???????? ???????? ???????????? a) National parks ????b) Sanctuaries ????c) Zoo ????d)
???????????? 249 ???? ????Approximately, 50% of total world species are present on (Answer : A)
???????? ???????? ???????????? a) tropical r ain f orest ????b) temper ate r ain f orest ????c) temper ate deciduous f orest d ????d)cor al reefs
???????????? 250 ???? ????Bears are usually hunted and killed f or their (Answer : B)
???????? ???????? ???????????? a) Teeth ????b) Skin ????c) Gall bladder ????d)Nails
???????????? 251 ???? ????Biodiversity (Answer : A)
???????? ???????? ???????????? a) increases towards the equator ????b) decreases towards the equator ????c) remains same throughout
the planet d ????d)has no ef f ect on change in latitude
???????????? 252 ???? ????Black Buck is a (Answer : B)
???????? ???????? ???????????? a) Goat ????b) Deer ????c) Butterfly ????d)Bird
???????????? 253 ???? ????Blue whale is placed under (Answer : A)
???????? ???????? ???????????? a) endangered ????b) critically endangered ????c) r are ????d)d) extinct
???????????? 254 ???? ????Conservation within the natur al habitat is (Answer : A)
???????? ???????? ???????????? a) insitu conservation ????b) exsitu conservation ????c) invivo conservation ????d)d) exvivo conservation
???????????? 255 ???? ????Cor al reefs in India can be seen in (Answer : B)
???????? ???????? ???????????? a) Himalayan region ????b) Andaman and Nicobar Islands ????c) Uttarpr adesh ????d)Mahar ashtr a
???????????? 256 ???? ????Dodo is (Answer : D)
???????? ???????? ???????????? a) endangered ????b) b) critically endangered ????c) c) r are ????d)d) extinct
???????????? 257 ???? ????Endemic species are (Answer : B)
???????? ???????? ???????????? a) r are species ????b) b) species localised in a specific region ????c) c) cosmopolitan in distribution d)
critically endangered species ????d)
???????????? 258 ???? ????Ex situ conservation includes (Answer : D)
???????? ???????? ???????????? a) Zoo ????b) Botanic garden ????c) c) Germplasm bank ????d)d) all of the above
???????????? 259 ???? ????Gharial is a (Answer : A)
???????? ???????? ???????????? a) Crocodile ????b) b) Cobr a ????c) c) T ortoise ????d)d) Frog
???????????? 260 ???? ????Herpetology is a br anch of Science which deals with (Answer : C)
???????? ???????? ???????????? a) Aves ????b) Mammals ????c) Reptiles ????d)Fishes
???????????? 261 ???? ????Hot spots are regions of high (Answer : B)
???????? ???????? ???????????? a) r arity ????b) b) endemism ????c) c) critically endangered population d) diversity ????d)d) diversity
???????????? 262 ???? ????India is primary centre of domestication of (Answer : D)
???????? ???????? ???????????? a) Sheep ????b) Goat ????c) Water Buf f alo ????d)Elephants
???????????? 263 ???? ????IUCN (The International Union For Conservation Of Nature And Natur al Resources) headquarters is at
(Answer : A)
???????? ???????? ???????????? a) Morges, Switzerland ????b) Paris, Fr ance ????c) Vienna, Austria d ????d)NewYork, USA
???????????? 264 ???? ????IUCN is also called as (Answer : B)
???????? ???????? ???????????? a) Man and Biosphere progr am ????b) World Conservation Union ????c) World Conservation Consortium
d ????d)World Wide Conservation Union
???????????? 265 ???? ????Killing of animals disturbs (Answer : C)
???????? ???????? ???????????? a) Good f or eco system ????b) Good f or man ????c) The balance of nature ????d)None
???????????? 266 ???? ????MAB progr am stands f or (Answer : D)
???????? ???????? ???????????? a) Man and biotechnology ????b) Material and biology ????c) Man and Biology ????d)Man and Biosphere
???????????? 267 ???? ????Pangolins f eed on (Answer : A)
???????? ???????? ???????????? a) ants ????b) b) fruits ????c) c) leaves ????d)d) roots
???????????? 268 ???? ????Red data book contains data of (Answer : D)
???????? ???????? ???????????? a) all plant species ????b) all animal species ????c) economically important species ????d)threatened
species
???????????? 269 ???? ????Silent Spring is a well known book written by (Answer : C)
???????? ???????? ???????????? a) John Miller ????b) Charles Darwin ????c) Rachel Carson ????d)Aldoleopold
???????????? 270 ???? ????The drug morphine is extr acted from ............... plant (Answer : C)
???????? ???????? ???????????? a) Cocoa ????b) Belladonna ????c) Opium Poppy ????d)Tannin
???????????? 271 ???? ????The first global environmental protection treaty The Montreal Protocol was signed on Sept. 26. (Answer
: D)
???????? ???????? ???????????? a) 1985 ????b) 1990 ????c) 1981 ????d)1987
???????????? 272 ???? ????The most important reason f or decrease in biodiversity is (Answer : D)
???????? ???????? ???????????? a) habitat pollution ????b) introduction of exotic species ????c) overexploitation ????d)habitat destruction
???????????? 273 ???? ????The only ape f ound in India (Answer : C)
???????? ???????? ???????????? a) Gorilla ????b) Chimpanzee ????c) Hoolock gibbon ????d)Or anguttan
???????????? 274 ???? ????Which of the f ollowing is a biodiversity hot sport in India? (Answer : A)
???????? ???????? ???????????? a) Western Ghats ????b) Nandadevi ????c) Eastern Ghats ????d)Ar avalli
???????????? 275 ???? ????Which of the f ollowing region has maximum diversity? (Answer : D)
???????? ???????? ???????????? a) mangroves ????b) temper ate r ainf orest ????c) taiga d ????d)cor al reefs
???????????? 276 ???? ????Which plants die after flowering? (Answer : B)
???????? ???????? ???????????? a) Lotus ????b) Bamboo ????c) Chrysanthemum ????d)Butea
???????????? 277 ???? ????Which tree is known as Cor al tree? (Answer : C)
???????? ???????? ???????????? a) Quercus ????b) Dipterocarps ????c) Erythrina ????d)Zizypus
???????????? 278 ???? ????Salim Ali Centre f or Ornithology and Natur al history is located at ______ (Answer : D)
???????? ???????? ???????????? a) Pune ????b) Hyder abad ????c) Ker ala ????d)Coimbatore
???????????? 279 ???? ????World wildlif e week is observed during (Answer : A)
???????? ???????? ???????????? a) First week of October ????b) Last week of October ????c) Third week of October ????d)First week of
September
???????????? 280 ???? ????Zoological Survey of India is at (Answer : C)
???????? ???????? ???????????? a) Delhi ????b) Mumbai ????c) Kolkata ????d)Chennai
???????????? 281 ???? ????The Salim Ali Bird sanctuary is located at (Answer : B)
???????? ???????? ???????????? a) Pondicherry ????b) Thattekad ????c) Anakkatti ????d)Kalakkadj
???????????? 282 ???? ????Who among the f ollowing is commonly called ?Bird Man of India?? (Answer : A)
???????? ???????? ???????????? a) Salim Ali ????b) M.S. Swaminathan ????c) M.C. Mehta ????d)Raphel Emerson
???????????? 283 ???? ????The phenomenon of occurrence of additional species f ound in the ecotone or tr ansitional zone
between adjoining ecosystems is known as _________ (Answer : A)
???????? ???????? ???????????? a) Edge ef f ect ????b) Root ef f ect ????c) Raman ef f ect ????d)Coolidge ef f ect
???????????? 284 ???? ????A set of organisms that resemble one another in appear ance and behaviour is called a _____________
(Answer : C)
???????? ???????? ???????????? a) Exons ????b) Prions ????c) Species ????d)guilds
???????????? 285 ???? ????All the genes of a population is called (Answer : A)
???????? ???????? ???????????? a) gene pool ????b) Genome ????c) Gene bunch ????d)Gene population
???????????? 286 ???? ????The first protected area in India is ____________ (Answer : B)
???????? ???????? ???????????? a) Silent valley ????b) Corbett National Park ????c) Bandipur sanctuary ????d)Nagar-Hole
???????????? 287 ???? ????The Indian Parliament passed the Biodiversity Bill in the year_________ (Answer : C)
???????? ???????? ???????????? a) 2000 ????b) 2005 ????c) 2002 ????d)2007
???????????? 288 ???? ????The destruction of habitat of plants and animals is called (Answer : C)
???????? ???????? ???????????? a) Endemism ????b) Endangered species ????c) Habitat loss ????d)Flood
???????????? 289 ???? ????Zoos are examples f or (Answer : C)
???????? ???????? ???????????? a) In-situ conservation ????b) In-vivo conservation ????c) Ex-situ conservation ????d)Ex-vivo conservation
???????????? 290 ???? ????In which Indian state is Corbet National park located (Answer : B)
???????? ???????? ???????????? a) Madya Pr adesh ????b) Uttar akhand ????c) Ker ala ????d)Tamilnadu
???????????? 291 ???? ????The first national park of Ker ala (Answer : D)
???????? ???????? ???????????? a) Ar alam ????b) Kottayam ????c) Idukki ????d)Ir avikulam
???????????? 292 ???? ????In which year was Pro ject Tiger launched? (Answer : A)
???????? ???????? ???????????? a) 1973 ????b) 1964 ????c) 1998 ????d)1970
???????????? 293 ???? ????Earth summit of Rio de Janeiro (1992) resulted in (Answer : C)
???????? ???????? ???????????? a) Compilation of Red list ????b) Establishment of biosphere reserves ????c) Conservation of biodiversity
????d)IUCN
???????????? 294 ???? ????Lions are f ound in (Answer : D)
???????? ???????? ???????????? a) Western Ghats ????b) Corbett National Park ????c) Forests of Madhya Pr adesh ????d)Gir f orests
???????????? 295 ???? ????National Park associated with rhinoceros is (Answer : A)
???????? ???????? ???????????? a) Kazir anga ????b) Ranthambore ????c) Corbett ????d)Valley of flowers
???????????? 296 ???? ????Some species of plants and animals are extremely r are and may occur only at a f ew locations are called
(Answer : B)
???????? ???????? ???????????? a) Endemic ????b) Endangered ????c) Vulner able ????d)Threatened
???????????? 297 ???? ????The only known breeding colony of the greater and lesser Flamingos in our country is seen in
???????.. desert. (Answer : A)
???????? ???????? ???????????? a) The Great Rann of Kutch ????b) The Thar ????c) Ladakh ????d)Atacama
???????????? 298 ???? ????The one-horned Rhinoceros is now restricted to which state? (Answer : C)
???????? ???????? ???????????? a) Mahar ashtr a ????b) Gujar at ????c) Assam ????d)Uttar Pr adesh
???????????? 299 ???? ????Asiatic lion is f ound only in _____ (Answer : A)
???????? ???????? ???????????? a) Gir Forest ????b) Manas ????c) Kasir anga ????d)Sundarbans
???????????? 300 ???? ????________ is a marine tortoise which shows the unique phenomenon ???arribada??? (Answer : A)
???????? ???????? ???????????? a) Olive Ridley ????b) Star T ortoise ????c) Tr avancore T ortoise ????d)b & c
???????????? 301 ???? ????Largest reptile in the world (Answer : B)
???????? ???????? ???????????? a) Dr agon ????b) Anaconda ????c) Crocodile ????d)Python
???????????? 302 ???? ????Snow leopard is f ound in which National Park? (Answer : B)
???????? ???????? ???????????? a) Kazir anga ????b) The Great Himalayan ????c) Bhar atpur ????d)Nagarhole
???????????? 303 ???? ????Point Calimere sanctuary is situated in which state? (Answer : A)
???????? ???????? ???????????? a) Tamilnadu ????b) Ker ala ????c) Karnataka ????d)Gujar at
???????????? 304 ???? ????The movement Beej Bachao Andolan was aimed f or the conservation of ________ (Answer : C)
???????? ???????? ???????????? a) Trees ????b) Shrubs ????c) Crops ????d)Coconut
???????????? 305 ???? ????In which year Silent Valley was declared as National Park? (Answer : C)
???????? ???????? ???????????? a) 1988 ????b) 1982 ????c) 1984 ????d)1981
???????????? 306 ???? ????The Red Data book which lists endangered species is maintained by (Answer : C)
???????? ???????? ???????????? a) UNO ????b) WHO ????c) IUCN ????d)WWF
???????????? 307 ???? ????First Biosphere reserve in India (Answer : A)
???????? ???????? ???????????? a) Nilgiri ????b) Agastyamala ????c) Er avikulam ????d)Chinnar
???????????? 308 ???? ????Flag ship species of Choolannur sanctuary (Answer : B)
???????? ???????? ???????????? a) Tiger ????b) Peacock ????c) Elephant ????d)Rhino
???????????? 309 ???? ????Which of the f ollowing is an extinct species? (Answer : C)
???????? ???????? ???????????? a) Tiger ????b) Lion ????c) Dodo ????d)Ostrich
???????????? 310 ???? ????________ is one of the most endangered species of Indian birds (Answer : D)
???????? ???????? ???????????? a) Bee eater ????b) Par adise fly catcher ????c) Owl ????d)The great Indian bustard
???????????? 311 ???? ????Many wild plant and animals are on the verge of extinction due to (Answer : A)
???????? ???????? ???????????? a) Habitat destruction ????b) Climatic changes ????c) Non availability of f ood ????d)None of the above
???????????? 312 ???? ????The most endangered ecosystem in India (Answer : B)
???????? ???????? ???????????? a) Shola f orest ecosystem ????b) Evergreen f orest ecosystem ????c) Pond ecosystem ????d)Tundr a
Ecosystem
???????????? 313 ???? ????Er avikulam National Park conserves (Answer : D)
???????? ???????? ???????????? a) Lion tailed macaque ????b) Tiger ????c) Elephant ????d)Nilgiri Tahr
???????????? 314 ???? ????First National Park in India (Answer : A)
???????? ???????? ???????????? a) Jim Corbert National Park ????b) Bandipur National Park ????c) Gir National Park ????d)Sunderbans
National Park
???????????? 315 ???? ????Agastyamalai Biosphere reserve is in (Answer : B)
???????? ???????? ???????????? a) Pathanamthitta ????b) Thiruvananthapur am ????c) Idukki ????d)Wayanad
???????????? 316 ???? ????What is meant by ex-situ conservation? (Answer : C)
???????? ???????? ???????????? a) Conservation of a species by protecting its habitat along with all other species living there. ????b)
Conservation of f orest eco system ????c) Conservation of a species outside its natur al habitat ????d)Conservation of
plants
???????????? 317 ???? ????The state which constituted green bench (Answer : B)
???????? ???????? ???????????? a) Ker ala ????b) Tamilnadu ????c) Assam ????d)Madhya Pr adesh
???????????? 318 ???? ????Name the endangered animal which is protected in Ra jamalai National park (Answer : C)
???????? ???????? ???????????? a) Chital ????b) Black buck ????c) Nilgiri Tahr ????d)None
???????????? 319 ???? ????Animals and plants are best protected in (Answer : C)
???????? ???????? ???????????? a) Zoos ????b) Botanical Gardens ????c) National Parks ????d)Sanctuaries
???????????? 320 ???? ????Worlds first Teak Forest was planted in 1842 in Ker ala. Identif y the place. (Answer : B)
???????? ???????? ???????????? a) Wayanad ????b) Nilambur ????c) Silent Valley ????d)Nelliyampathy
???????????? 321 ???? ????The Native Place of Redwood trees? (Answer : C)
???????? ???????? ???????????? a) Austr alia ????b) Amazon ????c) Calif ornia ????d)Thailand
???????????? 322 ???? ????Centre of Modern nuclear technology in India (Answer : C)
???????? ???????? ???????????? a) CRAS ????b) SARC ????c) BARC ????d)None of these
???????????? 323 ???? ????What is an Inciner ator? (Answer : A)
???????? ???????? ???????????? a) Furnace used f or burning solid waste ????b) Furnace used f or treating liquid waste ????c) Both a & b
????d)None of these
???????????? 324 ???? ????Photochemical smog is called (Answer : B)
???????? ???????? ???????????? a) T okyo smog ????b) London smog ????c) Los Angeles smog ????d)None
???????????? 325 ???? ????The combustion of waste in the absence of Oxygen is called (Answer : B)
???????? ???????? ???????????? a) Haemolysis ????b) Pyrolysis ????c) Hydrolysis ????d)None
???????????? 326 ???? ????The heating of earths atmosphere due to tr apped r adiation is known as (Answer : D)
???????? ???????? ???????????? a) Global warming ????b) Glass-House ef f ect ????c) Thermal ef f ect ????d)Green House Ef f ect
???????????? 327 ???? ????Thickness of plastic cover permissible to use (Answer : C)
???????? ???????? ???????????? a) 50 Microns ????b) 20 Microns ????c) 100 Microns ????d)10 Microns
???????????? 328 ???? ????A biodegr adable plastic developed by Biopak Corpor ation Austr alia (Answer : A)
a) Biopol ????b) Pet ????c) Polyester ????d)PVC
???????????? 329 ???? ????The Residential and Commercial wastes mainly consist of: (Answer : A)
???????? ???????? ???????????? a) Food wastes ????b) Card board ????c) Packaging materials ????d)None of these
???????????? 330 ???? ????Lead in water can cause (Answer : C)
???????? ???????? ???????????? a) Eye disease ????b) Arthritis ????c) Kidney damage ????d)Hair f alling
???????????? 331 ???? ????Colorless odorless and non corrosive air pollutant is (Answer : C)
???????? ???????? ???????????? a) Sulphur dioxide ????b) Carbon monoxide ????c) Carbon dioxide ????d)Ozone
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???????????? 12 ???? ????World Environment Day (Answer : A)
???????? ???????? ???????????? a) 5th June ????b) 5th July ????c) 5th August ????d)5th September
???????????? 13 ???? ????The biggest award f or environmental activities in India is given in the name of an individual. In whose
name is it constituted? (Answer : C)
???????? ???????? ???????????? a) Lal Bahadur Shasthri ????b) Mor ar ji Desai ????c) Indir a Gandhi ????d)Kamar a j.
???????????? 14 ???? ????All f orms of water that comes down on Earth, including r ain, snow, hail etc. is known as _____________
(Answer : C)
???????? ???????? ???????????? a) Calcification ????b) Fixation ????c) Precipitation ????d)Accumulation
???????????? 15 ???? ????The ocean covers ________ percentage of Earth?s surf ace. (Answer : C)
???????? ???????? ???????????? a) 515 ????b) 0.61 ????c) 0.71 ????d)0.91
???????????? 16 ???? ????The portion of the earth and its environment which can support lif e is known as _________ (Answer : B)
???????? ???????? ???????????? a) Crust ????b) Biosphere ????c) Exosphere ????d)Atmosphere
???????????? 17 ???? ????What is troposphere? (Answer : C)
???????? ???????? ???????????? a) Portion of air ????b) Portion of water ????c) Lowest layer of atmosphere where we survive
????d)Portion of sky
???????????? 18 ???? ????The main energy source f or the environment is ________ (Answer : A)
???????? ???????? ???????????? a) Solar energy ????b) Chemical energy ????c) Bioelectric energy ????d)Electrical energy
???????????? 19 ???? ????What is UNCED? (Answer : C)
???????? ???????? ???????????? a) United Nations Conf erence on Education ????b) United Nations Conf erence on Environmental Day
????c) United Nations Conf erence on Environment and Development ????d)None of these.
???????????? 20 ???? ????Atmospheric humidity is measured by (Answer : C)
???????? ???????? ???????????? a) Auxanometer ????b) Photometer ????c) Hygrometer ????d)None
???????????? 21 ???? ????The area to which a species is biologically adapted to live is known (Answer : B)
???????? ???????? ???????????? a) Niche ????b) Habitat ????c) Succession ????d)Community
???????????? 22 ???? ????Study of inter-relationship between organisms and their environment is called (Answer : A)
???????? ???????? ???????????? a) Ecology ????b) Ecosystem ????c) Phytogeogr aphy ????d)Ethology
???????????? 23 ???? ????The term Ecology was coined by (Answer : B)
???????? ???????? ???????????? a) A.G.Tansley ????b) Earnst Haeckel ????c) Aristotle ????d)Linnaeus
???????????? 24 ???? ????An example of an abiotic component (Answer : B)
???????? ???????? ???????????? a) Plants ????b) Soil ????c) Animals ????d)Bacteria
???????????? 25 ???? ????The area to which a species is biologically adapted to live is known (Answer : B)
???????? ???????? ???????????? a) Niche ????b) Habitat ????c) Succession ????d)Community
???????????? 26 ???? ????The objective of environmental education is (Answer : D)
???????? ???????? ???????????? a) Raise consciousness about environmental education ????b) T o teach environmentally appropriate
behaviour ????c) Create an environmental ethic that f osters awareness about ecological inter-dependence of economics,
social and political ????d)All of the above
???????????? 27 ???? ????Which of the f ollowing is not influenced by human activities? (Answer : A)
???????? ???????? ???????????? a) Depletion of ground water ????b) Destruction of mangroves and wetlands ????c) Increased extinction
r ate of species ????d)None of the above
???????????? 28 ???? ????Environmental education is important only at (Answer : D)
???????? ???????? ???????????? a) Primary school stage ????b) Secondary school stage ????c) Collage stage ????d)All stages
???????????? 29 ???? ????Which of the f ollowing conceptual components of the environment are ef f ective tr ansporters of
matter? (Answer : A)
???????? ???????? ???????????? a) Atmosphere and hydrosphere ????b) (b) Atmosphere and lithosphere ????c) (c) Hydrosphere and
lithosphere ????d)(d) Lithosphere and biosphere
???????????? 30 ???? ????Biosphere is (Answer : B)
???????? ???????? ???????????? a) (a) The solid shell of inorganic materials on the surf ace of the Earth ????b) (b) The thin shell of
organic matter on the surf ace of earth comprising of all the living things ????c) (c) The sphere which occupies the
maximum volume of all the spheres ????d)(d) All of the above
???????????? 31 ???? ????Which of the f ollowing conceptual sphere of the environment is having the least stor age capacity f or
matter? (Answer : A)
???????? ???????? ???????????? a) (a) Atmosphere ????b) (b) Lithosphere ????c) (c) Hydrosphere ????d)(d) Biosphere
???????????? 32 ???? ????Which of the f ollowing is an example of impact of development activities on the Hydrosphere? (Answer
: D)
???????? ???????? ???????????? a) (a) Air pollution ????b) (b) Soil pollution ????c) (c) Soil erosion ????d)(d) Water pollution
???????????? 33 ???? ????Weather occurs in the Earths: (Answer : A)
???????? ???????? ???????????? a) (a) Troposhere ????b) (b) Mesophere ????c) (c) Ionosphere ????d)(d) Thermosphere
???????????? 34 ???? ????Biosphere is a term used to represent the: (Answer : C)
???????? ???????? ???????????? a) (a) Entire atmosphere consisting of troposphere, str atosphere, mesosphere, and thermosphere
????b) (b) Entire hydrosphere-representing the entire collection of water over the Earth as well as inside the Earth ????c) (c)
A small zone of Earth, where the lithosphere, hydrosphere, and atmosphere come in contact with one another ????d)(d)
Entire lithosphere-representing the solid Earth and its interior
???????????? 35 ???? ????The term ecology was introduced by: (Answer : A)
???????? ???????? ???????????? a) (a) Haeckel ????b) (b) Odum ????c) (c) Tansely ????d)(d) Ramdeo Mishr a
???????????? 36 ???? ????The study of inter actions between living and non-living organisms and environment is called (Answer :
B)
???????? ???????? ???????????? a) (a) Ecosystem ????b) (b) Ecology ????c) (c) Phyto-geogr aphy ????d)(d) Phytosociology
???????????? 37 ???? ????An ecosystem consist of (Answer : D)
???????? ???????? ???????????? a) (a) Green plants and animals ????b) (b) Green plants and decomposers ????c) (c) Producers and
consumers ????d)(d) Green plants, animals, decomposers and abiotic environment
???????????? 38 ???? ????The environment which has been modified by human activities is called (Answer : B)
???????? ???????? ???????????? a) (a) Natur al environment ????b) (b) Anthropogenic environment ????c) (c) Modem environment ????d)(d)
Urban environment
???????????? 39 ???? ????Which of the f ollowing statements is not true? (Answer : C)
???????? ???????? ???????????? a) (a) Inorganic nutrients are recycled in an ecosystem ????b) (b) Energy flows through the ecosystem
in the f orm of C-C bonds ????c) (c) Energy is recycled in an ecosystem ????d)(d) Respir ation process releases energy
???????????? 40 ???? ????Driving f orce in an ecosystem is (Answer : C)
???????? ???????? ???????????? a) (a) Plants ????b) (b) Producers ????c) (c) Solar energy ????d)(d) Biomass energy
???????????? 41 ???? ????Physical and chemical components of an ecosystem constitute (Answer : C)
???????? ???????? ???????????? a) (a) Biotic structure ????b) (b) Abioltic structure ????c) (c) Both of these ????d)(d) None of these
???????????? 42 ???? ????Which one of the f ollowing is an abiotic component of the ecosystem? (Answer : C)
???????? ???????? ???????????? a) (a) Bacteria ????b) (b) Plants ????c) (c) Humus ????d)(d) Fungi
???????????? 43 ???? ????Which of the f ollowing is a possible producer in an ecosystem? (Answer : A)
???????? ???????? ???????????? a) (a) Plants ????b) (b) Animals ????c) (c) Human beings ????d)(d) Fish
???????????? 44 ???? ????The organisms which f eed on dead organisms and excreta of living organisms are known (Answer : A)
???????? ???????? ???????????? a) (a) Decomposers ????b) (b) Consumers ????c) (c) Producers ????d)(d) Carnivores
???????????? 45 ???? ????A trophic level ref ers to: (Answer : C)
???????? ???????? ???????????? a) (a) Area in the tropics ????b) (b) An organism?s portion in a f ood chain ????c) (c) An organism?s
position in an ecosystem ????d)(d) An organism?s position in a biome
???????????? 46 ???? ????In a f ood chain animals constitute the: (Answer : C)
???????? ???????? ???????????? a) (a) First trophic level ????b) (b) Second trophic level ????c) (c) Intermediate trophic level ????d)(d)
Ultimate trophic level
???????????? 47 ???? ????The f ood chain in which microorganisms breakdown dead producers is called: (Answer : D)
???????? ???????? ???????????? a) (a) Consumer f ood chain ????b) (b) Predator f ood chain ????c) (c) Par asitic f ood chain ????d)(d) Detritus
f ood chain
???????????? 48 ???? ????Food chain starts with (Answer : A)
???????? ???????? ???????????? a) (a) Producer ????b) (b) Herbivores ????c) (c) Carnivores ????d)(d) Omnivores
???????????? 49 ???? ????In a f ood chain, humans are (Answer : D)
???????? ???????? ???????????? a) (a) Secondary consumers ????b) (b) Primary consumer ????c) (c) Producers ????d)(d) Primary and
secondary consumers both
???????????? 50 ???? ????Which one is the correct f ood chain? (Answer : A)
???????? ???????? ???????????? a) (a) Phytoplankton ?? Zooplankton ?? Fish ????b) (b) Zooplankton ?? Phytoplankton ?? Fish ????c)
(c) Zooplankton ?? Protozoans ?? Fish ????d)(d) Gr ass ?? Fish ?? Zooplankton
???????????? 51 ???? ????A f ood web consists of (Answer : A)
???????? ???????? ???????????? a) (a) Interlocking f ood chains ????b) (b) Producers, consumers and decomposers ????c) (c) A portion of
a f ood chain ????d)(d) A set of similar consumers
???????????? 52 ???? ????Food webs are (Answer : C)
???????? ???????? ???????????? a) (a) One kind of f ood ????b) (b) Not related to f ood chains at all ????c) (c) Inter-connected arr angement
of f ood chains ????d)(d) Linear arr angement of f ood chains
???????????? 53 ???? ????Pyr amid of number is given by (Answer : C)
???????? ???????? ???????????? a) (a) Haeckel ????b) (b) Odum ????c) (c) Elton ????d)(d) Tansely
???????????? 54 ???? ????Which ecological pyr amid is always upright? (Answer : C)
???????? ???????? ???????????? a) (a) Pyr amid of number ????b) (b) Pyr amid of biomass ????c) (c) Pyr amid of energy ????d)(d) Pyr amid of
number and biomass
???????????? 55 ???? ????An ecological pyr amid ref ers to the (Answer : D)
???????? ???????? ???????????? a) (a) Pyr amid of energy ????b) (b) Pyr amid of number ????c) (c) Pyr amid of biomass ????d)(d) All of the
above
???????????? 56 ???? ????An ecosystem may not undergo changes because: (Answer : A)
???????? ???????? ???????????? a) (a) It is in a state of homeostasis ????b) (b) It has plants and animals both ????c) (c) It gets solar
energy continuously ????d)(d) The decomposers are present in it
???????????? 57 ???? ????Energy flow in an ecosystem is always: (Answer : A)
???????? ???????? ???????????? a) (a) Unidirectional ????b) (b) Cyclic ????c) (c) Reversible ????d)(d) Multi-directional
???????????? 58 ???? ????The primary producers in a f orest ecosystem are: (Answer : A)
???????? ???????? ???????????? a) (a) Chlorophyll containing trees and plants ????b) (b) Herbivores ????c) (c) Carnivores ????d)(d) Bacteria
and other micro-organism
???????????? 59 ???? ????The desert among the f ollowing which is not a cold desert is: (Answer : D)
???????? ???????? ???????????? a) (a) Golbi desert ????b) (b) Patagonian desert ????c) (c) Atacama desert ????d)(d) Ma java desert
???????????? 60 ???? ????The darker zone in lakes where light penetr ation is negligible is called the: (Answer : D)
???????? ???????? ???????????? a) (a) Euphotic zone ????b) (b) Littor al zone ????c) (c) Limnetic zone ????d)(d) Benthic zone
???????????? 61 ???? ????The zone of a sea lying over the continental shelf is known as the: (Answer : B)
???????? ???????? ???????????? a) (a) Bathyl zone ????b) (b) Neritic zone ????c) (c) Abyssal zone ????d)(d) Littor al zone
???????????? 62 ???? ????Which one of the f ollowing is not a fresh water biome? (Answer : A)
???????? ???????? ???????????? a) (a) Lotic ????b) (b) Lentic ????c) (c) Spings ????d)(d) Deep sea
???????????? 63 ???? ????Tendency of pollutants to become concentr ated in successive trophic levels is known as: (Answer : A)
???????? ???????? ???????????? a) (a) Biomagnification ????b) (b) Biorhythm ????c) (c) Bioremediation ????d)(d) Biopir acy
???????????? 64 ???? ????Eutrophication is: (Answer : B)
???????? ???????? ???????????? a) (a) An improved water quality status of lakes ????b) (b) The result of accumulation of plant nutrients
in water bodies ????c) (c) A process in the carbon cycle ????d)(d) A water purification technique
???????????? 65 ???? ????Increase in f auna and decrease in flor a would be harmf ul due to increase in: (Answer : B)
???????? ???????? ???????????? a) (a) Diseases ????b) (b) CO ????c) (c) O2 ????d)(d) Radioactive pollution
???????????? 66 ???? ????The largest reservoir of nitrogen an our planet is: (Answer : B)
???????? ???????? ???????????? a) (a) Ocean ????b) (b) Atmosphere ????c) (c) Biosphere ????d)(d) Fossil f uels
???????????? 67 ???? ????Overgr azing results in: (Answer : A)
???????? ???????? ???????????? a) (a) Soil erosion ????b) (b) Retention of usef ul species ????c) (c) Productive soils ????d)(d) All of the
above
???????????? 68 ???? ????In the world, the economy of the India is: (Answer : D)
???????? ???????? ???????????? a) (a) Largest ????b) (b) Third largest ????c) (c) Second largest ????d)(d) Fourth largest
???????????? 69 ???? ????In services output, India is: (Answer : C)
???????? ???????? ???????????? a) 10 ????b) 12 ????c) 15 ????d)4
???????????? 70 ???? ?????Smog? is a mixture of (Answer : A)
???????? ???????? ???????????? a) a) Smoke and Fog ????b) (b) Snow and Fog ????c) ( c) Snow and Dust ????d)(d) Sulphur Dioxide and
Fog
???????????? 71 ???? ????A liquid f uel that was f ormed from the ancient remains of sea plants and animals is (Answer : B)
???????? ???????? ???????????? a) Natur al gasb ????b) Petroleumc ????c) Geothermal energyd ????d)Coal
???????????? 72 ???? ????A poisonous gas given out of vehicles exhaust is (Answer : A)
a) Carbon monoxideb ????b) Ethanec ????c) Methaned ????d)Carbon dioxide
???????????? 73 ???? ????A product of photosynthesis is (Answer : C)
???????? ???????? ???????????? a) Carbon dioxideb ????b) Waterc ????c) Oxygend ????d)Chlorophyll
???????????? 74 ???? ????Atmosphere consists of 79 percent Nitrogen and 21 percent Oxygen by (Answer : B)
???????? ???????? ???????????? a) Volumeb ????b) Weightc ????c) Densityd ????d)All of these
???????????? 75 ???? ????Biogas contains mainly (Answer : B)
???????? ???????? ???????????? a) Carbon dioxideb ????b) Methanec ????c) Butaned ????d)Propane
???????????? 76 ???? ????Carbon dioxide constitutes about 0.03% of the atmosphere (Answer : A)
???????? ???????? ???????????? a) By volume(b ????b) By weight(c ????c) By mass(d ????d)None of these
???????????? 77 ???? ????Development activities on the hydrosphere cause (Answer : C)
???????? ???????? ???????????? a) Air pollutionb ????b) Soil pollutionc ????c) Water pollutiond ????d)Soil erosion
???????????? 78 ???? ????Energy flow in an ecosystem is (Answer : C)
???????? ???????? ???????????? a) Bidirectionalb ????b) Unidirectionalc ????c) Multidirectionald ????d)All rounds
???????????? 79 ???? ????Energy from the heat inside the earth is (Answer : B)
???????? ???????? ???????????? a) a Natur al gas ????b) Geothermalc ????c) Petroleumd ????d)Terr athermal
???????????? 80 ???? ????Energy in the r ays from the sun is called (Answer : A)
???????? ???????? ???????????? a) Solar energyb ????b) Wind energyc ????c) Tidal energyd ????d)Water energy
???????????? 81 ???? ????Environment is the lif e support system that includes (Answer : D)
???????? ???????? ???????????? a) Airb ????b) Waterc ????c) Landd ????d)All of the above
???????????? 82 ???? ????Extensive planting of trees to increase cover is called (Answer : A)
???????? ???????? ???????????? a) Af f orestation(b ????b) Agrof orestation(c ????c) Def orestation(d ????d)Social f orestry
???????????? 83 ???? ????Extensive planting of trees to increase f orest cover is called (Answer : A)
???????? ???????? ???????????? a) Af f orestation, b ????b) Agrof orestry, c ????c) Def orestation, d ????d)Social f orestry
???????????? 84 ???? ????Forest and wild lif e are (Answer : A)
???????? ???????? ???????????? a) Renewable resource(b ????b) Non-renewable resources (c ????c) Inexhaustible resources (d ????d)None
of these
???????????? 85 ???? ????Forests prevent soil erosion by binding soil particles in their (Answer : B)
???????? ???????? ???????????? a) Leaves(b ????b) Roots(c ????c) Buds(d ????d)Stems
???????????? 86 ???? ????Formation of hole in Ozone is maximum over (Answer : C)
???????? ???????? ???????????? a) Indiab ????b) Europec ????c) Antarcticad ????d)Africa
???????????? 87 ???? ????Fossil f uel and metallic miner als are: (Answer : C)
???????? ???????? ???????????? a) Renewable resource (b ????b) Inexhaustible resources (c ????c) Non-renewable resources (d ????d)None
of these
???????????? 88 ???? ????Green house ef f ect is linked to (Answer : C)
???????? ???????? ???????????? a) Nitrogen oxidesb ????b) Sulphur dioxidesc ????c) Carbon dioxidesd ????d)Carbon monoxides
???????????? 89 ???? ????In our country the percentage of land under f orest is about: (Answer : B)
???????? ???????? ???????????? a) 20%(b ????b) 19%(c ????c) 25%(d ????d)30%
???????????? 90 ???? ????In respect of water crisis, there have been conflicts/disputes between two countries, or states of the
same country. Which of the f ollowing has never been the case of water conflict? (Answer : D)
???????? ???????? ???????????? a) Cauvery water dispute between Tamil Nadu and Karnataka (b ????b) Yamuna-Betwa dispute between
U.P. and M.P. (c ????c) Sutlej Yamuna Link (SYL ????d)canal dispute between Pun jab and Haryana (d
???????????? 91 ???? ????Instrumentation technology used to locate suitable places f or mining (Answer : C)
???????? ???????? ???????????? a) a) Microscope ????b) b) Salinometer ????c) c) GIS ????d)d) camer a tr ap
???????????? 92 ???? ????Kaveri water dispute is in between: (Answer : D)
???????? ???????? ???????????? a) India and Pakistan (b ????b) Pun jab and Haryana (c ????c) Uttar Pr adesh and Madhya Pr adesh (d
????d)Karnataka and Tamil Nadu
???????????? 93 ???? ????Khetri (Ra jasthan) is f amous f or: (Answer : B)
???????? ???????? ???????????? a) Coal mines(b ????b) Copper mines(c ????c) Gr anite stone(d ????d)Marble stone
???????????? 94 ???? ????Main source of acid r ain is (Answer : A)
???????? ???????? ???????????? a) Sulphur dioxideb ????b) Nitrogenc ????c) Carbon dioxided ????d)Carbon monoxide
???????????? 95 ???? ????Ma jor consumer of wood from f orest is ___________ (Answer : B)
???????? ???????? ???????????? a) Thermal Power Plant ????b) Paper Industry ????c) Chemistry Industry ????d)none
???????????? 96 ???? ????Moisture in the air is known as (Answer : D)
???????? ???????? ???????????? a) a) Water ????b) (b) Fog ????c) ( c) Snow ????d)(d) Humidity
???????????? 97 ???? ????Name the country which virtually closed cod fishery in the 1990?s due to depletion of fish reserves
(Answer : A)
???????? ???????? ???????????? a) a) Canada ????b) b) Argentina ????c) c) Italy ????d)d) India
???????????? 98 ???? ????Name the financial agency which hesistate to support the Sardar Sarovar Pro ject in India in 1993 a result
of the demands of local people threatened with the loss of their livelihoods and homes in the submergence area.
(Answer : B)
???????? ???????? ???????????? a) a) Swiss bank ????b) b) World Bank ????c) c) Bank of India ????d)d) International Monetary Fund
???????????? 99 ???? ????Nitrogen constitutes about 78% of the atmosphere (Answer : C)
???????? ???????? ???????????? a) By weight(b ????b) By mass(c ????c) By volume(d ????d)None of these
???????????? 100 ???? ????Noise is measured by sound meter and the unit is (Answer : C)
???????? ???????? ???????????? a) Hertzb ????b) Joulec ????c) Decibeld ????d)Seconds
???????????? 101 ???? ????One of India?s serious environmental problems is f orest degr adation. What is the main cause of f orest
degr adation? (Answer : A)
???????? ???????? ???????????? a) timber extr action ????b) honey extr action ????c) high altitude ????d)Low Rainf all
???????????? 102 ???? ????Ozone day is observed on (Answer : B)
???????? ???????? ???????????? a) 3rd Januaryb ????b) 16th Septemberc ????c) 10th Novemberd ????d)26th March
???????????? 103 ???? ????Ozone Umbrella is located in which layer of atmosphere (Answer : B)
???????? ???????? ???????????? a) a) Troposphere ????b) (b) Str atosphere ????c) (c) Mesosphere ????d)(d) Ionosphere
???????????? 104 ???? ????Peeling of Ozone umbrella, which protects us from UV r ays, is caused by (Answer : B)
???????? ???????? ???????????? a) Carbon monoxideb ????b) CFCsc ????c) Coal burningd ????d)Methane
???????????? 105 ???? ????Soil erosion removes surf ace soil which contains (Answer : A)
???????? ???????? ???????????? a) Organic matterb ????b) Plant nutrientsc ????c) Both a and bd ????d)none of the above
???????????? 106 ???? ????Sustainable development means (Answer : C)
???????? ???????? ???????????? a) a. meeting present needs without compromising on f uture needs ????b) b. progress of human beings
????c) c. balance between human needs and the ability of earth to provide the resources ????d)d. all of the above
???????????? 107 ???? ????The adverse ef f ect of modern agriculture is (Answer : B)
???????? ???????? ???????????? a) Water pollutionb ????b) Soil degr adationc ????c) Water loggingd ????d)All of the above
???????????? 108 ???? ????The f ossil f uel that is derived from the dead remains of plants that grew some 250 million years ago is
(Answer : C)
???????? ???????? ???????????? a) Petroleumb ????b) Natur al gasc ????c) Coald ????d)LPG
???????????? 109 ???? ????The impact of construction of dams (Answer : D)
???????? ???????? ???????????? a) Submerged f orest b ????b) Loss of wild lif e habitat c ????c) Damages downstream ecosystem d ????d)All
of the above
???????????? 110 ???? ????The ma jor cause f or land degr adation in our country is (Answer : A)
???????? ???????? ???????????? a) Soil erosion(b ????b) Pollution of soil(c ????c) Water-logging(d ????d)None of the above
???????????? 111 ???? ????The ma jor reason f or floods in the rivers Ganges and Br ahmaputr a is ________ (Answer : B)
???????? ???????? ???????????? a) a) Dams in Himalayas ????b) b) Def orestation in Himalayas ????c) c) Heavy r ains ????d)d) Melting of ice
???????????? 112 ???? ????The method of r ainwater harvesting which can be adopted by individual house owners is (Answer : D)
???????? ???????? ???????????? a) Construction of recharge trenches (b ????b) On channel stor age of water (c ????c) Creation of new
water bodies (d ????d)Roof-top r ainwater harvesting
???????????? 113 ???? ????The percentage of total world?s precipitation, which is lost to the atmosphere through evapor ation,
approximates to: (Answer : A)
???????? ???????? ???????????? a) 57%(b ????b) 7%(c ????c) 37%(d ????d)43%
???????????? 114 ???? ????The process of restoring f orests that once existed but was removed at some time in the past is known
as (Answer : B)
???????? ???????? ???????????? a) Af f orestationb ????b) Ref orestationc ????c) Def orestationd ????d)None of these
???????????? 115 ???? ????The share of Hydropower (Hydel pro jects) in worlds commercial electricity production is less than ________
(Answer : D)
???????? ???????? ???????????? a) 2.00% ????b) 4.00% ????c) 12.00% ????d)20.00%
???????????? 116 ???? ????The species restricted to be present in one region are called (Answer : B)
???????? ???????? ???????????? a) Edge speciesb ????b) Endemic species c ????c) Endangered species d ????d)Keystone species
???????????? 117 ???? ????The teeth are likely to be pitted, more susceptible to cavities and wear, when the fluoride concentr ation
is: (Answer : D)
???????? ???????? ???????????? a) More than 2 mg/1 (b ????b) More than 40 mg/1 (c ????c) More than 20 mg/1 (d ????d)More than 4 mg/1
???????????? 118 ???? ????The term ?Environment? has been derived from the French word which means to encircle or surround
(Answer : A)
???????? ???????? ???????????? a) Environb ????b) Oikosc ????c) Geod ????d)Aqua
???????????? 119 ???? ????Wetlands in the flood plains of rivers are also considered as nature?s ________ (Answer : C)
???????? ???????? ???????????? a) a) Heat sink ????b) b) carbon sink ????c) c) flood control systems ????d)d) swimming pool
???????????? 120 ???? ????What are rodenticides? (Answer : C)
???????? ???????? ???????????? a) that kill fishes ????b) that kill insects ????c) that kill r ats ????d)that kill crocos
???????????? 121 ???? ????What is Kyoto Protocol? (Answer : A)
???????? ???????? ???????????? a) a. It is an agreement among countries to take steps f or reducing global warming. ????b) b. It is an
agreement among countries to take steps f or reducing acid r ain. ????c) c. It is an agreement among countries to take steps
f or planting trees to control pollution. ????d)d. It is an agreement among countries to start using nuclear energy.
???????????? 122 ???? ????What is the ma jor limiting f actor in the arid areas of our country? (Answer : C)
???????? ???????? ???????????? a) a) Money ????b) b) f orests ????c) c) water ????d)d) soil
???????????? 123 ???? ????What kind of people are the most ill-af f ected by the construction of dams? (Answer : D)
???????? ???????? ???????????? a) a) Urban dwellers ????b) b) beach dwellers ????c) c) tourists ????d)d) tribal people
???????????? 124 ???? ????When fluoride concentr ation in H2O exceeds about 1.5 mg/1, the disease that may be caused, is
(Answer : B)
???????? ???????? ???????????? a) Dental caries in children(b ????b) Fluorosis(c ????c) Polymyelitis(d ????d)Methemoglobinemia
???????????? 125 ???? ????Which among the f ollowing is a sedimentary type of cycle? (Answer : A)
???????? ???????? ???????????? a) Sulphur cycle(b ????b) Nitrogen cycle(c ????c) Oxygen cycle(d ????d)Carbon cycle
???????????? 126 ???? ????Which gas is responsible f or ozone layer depletion around earth? (Answer : B)
???????? ???????? ???????????? a) Carbon dioxideb ????b) Chlorofluorocarbonsc ????c) Oxygend ????d)Nitrogen oxide
???????????? 127 ???? ????Which gas is responsible f or the global warming? (Answer : B)
???????? ???????? ???????????? a) Nitrogenb ????b) Carbon dioxidec ????c) Noble gasesd ????d)Hydrogen
???????????? 128 ???? ????Which is a list of renewable resources? (Answer : D)
???????? ???????? ???????????? a) Petroleum, geothermal, wind b ????b) Biomass, geothermal, hydropower c ????c) Natur al gas, wind,
biomass d ????d)Hydropower, solar, wind energy
???????????? 129 ???? ????Which is the only country who has not r atified the Kyoto Protocol yet? (Answer : A)
???????? ???????? ???????????? a) United States ????b) Austr alia ????c) Japan ????d)India
???????????? 130 ???? ????Which of below items is the ma jor sector which extr acts most of fresh water available f or utilization?
(Answer : D)
???????? ???????? ???????????? a) domestic use ????b) drinking water ????c) bever age industry ????d)agriculture
???????????? 131 ???? ????Which of the f ollowing are consequences of ozone depletion (Answer : A)
???????? ???????? ???????????? a) Skin cancer and catar actb ????b) Reduced growth in plants c ????c) Shortening of zooplanktons and
their breeding period d ????d)All of the above
???????????? 132 ???? ????Which of the f ollowing are ma jor environmental issues involved in mining? (Answer : D)
???????? ???????? ???????????? a) air pollutionb ????b) water pollutionc ????c) soil degr adationd ????d)all of the above
???????????? 133 ???? ????Which of the f ollowing ef f ect is responsible f or Global Warming? (Answer : A)
???????? ???????? ???????????? a) Green house ef f ectb ????b) Radioactive ef f ectc ????c) Solar ef f ectd ????d)Nuclear ef f ect
???????????? 134 ???? ????Which of the f ollowing is management option f or air pollution? (Answer : D)
???????? ???????? ???????????? a) Regulations and standardsb ????b) Tr ansport planningc ????c) Using CNG as f ueld ????d)All of these
???????????? 135 ???? ????Which of the f ollowing is not a method f or water conservation? (Answer : B)
???????? ???????? ???????????? a) Rainwater harvesting(b ????b) Groundwater extr action (c ????c) Improving irrigation ef ficiency (d
????d)Avoiding water wastage
???????????? 136 ???? ????Which of the f ollowing is not a viable protection against def orestation? (Answer : C)
???????? ???????? ???????????? a) Reduce the consumption of f orest and related products (b ????b) Boycott products of companies
involve in def orestation (c ????c) Privatisation of f orest land (d ????d)Environmental education
???????????? 137 ???? ????Which of the f ollowing is not influenced by human activities? (Answer : D)
???????? ???????? ???????????? a) Destruction of mangroves and wetlands b ????b) Depletion of ground water c ????c) Increased
extinction r ate of species d ????d)None of the above
???????????? 138 ???? ????Which of the f ollowing is not true about def orestation? (Answer : C)
???????? ???????? ???????????? a) Population explosion is one of the reasons f or def orestation (b ????b) Cleaning of f orest f or
agriculture causes def orestation. (c ????c) Def orestation is taking place only in developing courtiers. (d ????d)Cash crop
economy of third world is a cause of def orestation.
???????????? 139 ???? ????Which of the f ollowing is responsible f or desertification? (Answer : D)
???????? ???????? ???????????? a) Def orestation(b ????b) Mining(c ????c) Overgr azing(d ????d)All of the above
???????????? 140 ???? ????Which of the f ollowing statements about the f orest is not correct? (Answer : D)
???????? ???????? ???????????? a) Forest reduces soil erosion (b ????b) Provides recreational opportunities (c ????c) Provides economic
development (d ????d)None of the above
???????????? 141 ???? ????Which of these is not a f ossil f uel? (Answer : D)
???????? ???????? ???????????? a) Coalb ????b) Oilc ????c) Natur al gasd ????d)Ur anium
???????????? 142 ???? ????Which one of the f ollowing is not an ideal solution f or tackling water shortages? (Answer : D)
???????? ???????? ???????????? a) Controlling population growth (b ????b) Conserving water in irrigation (c ????c) Controlling water
pollution (d ????d)Drilling large number of deep bore wells
???????????? 143 ???? ????Which one of the f ollowing regions in India is a hotspot of biodiversity? (Answer : B)
???????? ???????? ???????????? a) Sundarbansb ????b) Western Ghatsc ????c) Eastern Ghatsd ????d)Gangetic plains
???????????? 144 ???? ????World environment day is on: (Answer : B)
???????? ???????? ???????????? a) 5th Mayb ????b) 5th Junec ????c) 18th Julyd ????d)16th August
???????????? 145 ???? ????World Forest day is celebr ated on (Answer : A)
???????? ???????? ???????????? a) 21st March b ????b) 5th June c ????c) 1st Dec d ????d)7th June
???????????? 146 ???? ????Yellowing of Ta j Mahal is an ef f ect of (Answer : A)
???????? ???????? ???????????? a) Acid r ainb ????b) Global warmingc ????c) Ozone depletiond ????d)All of the above
???????????? 147 ???? ????Green Revolution in India was initiated by __________ (Answer : A)
???????? ???????? ???????????? a) M.S. Swaminathan ????b) Sunderlal Bahuguna ????c) Kurien ????d)Medha Patkar
???????????? 148 ???? ????Who wrote the book Violence of Green Revolution (Answer : A)
???????? ???????? ???????????? a) Vandana Siva ????b) Sheela Dikshit ????c) Menaka Gandhi ????d)Arundhathi Roy.
???????????? 149 ???? ????World Forest day is celebr ated on (Answer : A)
???????? ???????? ???????????? a) 21st March ????b) 5th June ????c) 1st Dec ????d)7th June
???????????? 150 ???? ????The Chipko movement is started by (Answer : B)
???????? ???????? ???????????? a) Engler ????b) Sunderlal Bahuguna ????c) Medha Padkar ????d)None of these
???????????? 151 ???? ????Green revolution is associated with _________ (Answer : B)
???????? ???????? ???????????? a) sericulture ????b) Agriculture ????c) Fish culture ????d)silviculture
???????????? 152 ???? ????Which gas is likely to be reduced in the atmosphere by def orestation? (Answer : C)
???????? ???????? ???????????? a) Carbon dioxide ????b) Nitrogen ????c) Oxygen ????d)Sulphur dioxide
???????????? 153 ???? ????Extensive planting of trees to increase f orest cover is called (Answer : A)
???????? ???????? ???????????? a) Af f orestation ????b) Agrof orestry ????c) Def orestation ????d)Social f orestry
???????????? 154 ???? ????Soil erosion can be prevented by (Answer : B)
???????? ???????? ???????????? a) Def orestation ????b) Af f orestation ????c) Overgr azing ????d)Removal of vegetation
???????????? 155 ???? ????The components of LPG are _____________ (Answer : B)
???????? ???????? ???????????? a) Methane & Hexane ????b) Propane & Butane ????c) Ethane & Methane ????d)Propane & Ethane
???????????? 156 ???? ????Which of the f ollowing is the most responsible f or world water crisis? (Answer : C)
???????? ???????? ???????????? a) Dams ????b) Floods ????c) Drought ????d)Population growth
???????????? 157 ???? ????The resources that can be replaced by natur al ecological cycle is called (Answer : A)
???????? ???????? ???????????? a) Renewable ????b) Non-renewable ????c) exhaustible ????d)natur al
???????????? 158 ???? ????The amount of solar r adiation reaching the surf ace of the earth is called (Answer : A)
???????? ???????? ???????????? a) Solar flux ????b) reflected light ????c) miner als ????d)solvents
???????????? 159 ???? ????The most harmf ul of ultr aviolet r adiations are (Answer : A)
???????? ???????? ???????????? a) UV-C ????b) UV-B ????c) UV-A ????d)All the above
???????????? 160 ???? ????A renewable source of energy is (Answer : D)
???????? ???????? ???????????? a) Petroleum ????b) Coal ????c) Nuclear f uel ????d)Trees
???????????? 161 ???? ????The capacity to do work is termed as (Answer : D)
???????? ???????? ???????????? a) Power ????b) Force ????c) Strength ????d)Energy
???????????? 162 ???? ????The unit of total water content of the soil is known as (Answer : A)
???????? ???????? ???????????? a) Holard ????b) Chr aserd ????c) Echard ????d)All of the above
???????????? 163 ???? ????Pedology? (Answer : C)
???????? ???????? ???????????? a) Study of water ????b) Study of air ????c) Study of soil ????d)none
???????????? 164 ???? ????What is def orestation? (Answer : B)
???????? ???????? ???????????? a) Product of f orest ????b) Destruction of f orest ????c) Forest Protection ????d)none
???????????? 165 ???? ????Def orestation gener ally decreases (Answer : D)
???????? ???????? ???????????? a) Global Warming ????b) Drought ????c) Soil erosion ????d)Rainf all
???????????? 166 ???? ????Which among the f ollowing result in the f ormation of soil? (Answer : B)
???????? ???????? ???????????? a) Radiation ????b) Weathering ????c) Erosion ????d)Pollution
???????????? 167 ???? ????Mulching helps in (Answer : B)
???????? ???????? ???????????? a) soil f ertility ????b) moisture conservation ????c) improvements soil structure ????d)soil sterility
???????????? 168 ???? ????........................ is an example of ?bottom f eeders?. (Answer : A)
???????? ???????? ???????????? a) Cat fish ????b) Frog ????c) Snake ????d)Tadpole ????e)
???????????? 169 ???? ????..................... trees shed their leaves during winter and hot summer. (Answer : C)
???????? ???????? ???????????? a) (a) ever green ????b) b) conif erous ????c) c) deciduous ????d)d) Shola
???????????? 170 ???? ????...................... is a cold desert in India (Answer : B)
???????? ???????? ???????????? a) Thar ????b) Ladakh ????c) Ran of Kutch ????d)Bhopal
???????????? 171 ???? ????A lake ecosystem f unctions as a (Answer : A)
???????? ???????? ???????????? a) Ter ai ????b) Shola gr asslands ????c) Semi arid plains ????d)Himalayan pastures
???????????? 172 ???? ????An example of nitrogen fixing bacteria in the soil (Answer : C)
???????? ???????? ???????????? a) Rhizobium ????b) Nostoc ????c) Azotobacter ????d)Nitrobacter
???????????? 173 ???? ????An example of one way ecological cycle is (Answer : C)
???????? ???????? ???????????? a) carbon dioxide cycle ????b) water cycle ????c) energy cycle ????d)oxygen cycle
???????????? 174 ???? ????Br ackish water ecosystems in river deltas are among (Answer : B)
???????? ???????? ???????????? a) Least productive ecosystems ????b) Most productive in terms of biomass production ????c) c)
Unproductive d) Stagnant ecosystems ????d)
???????????? 175 ???? ????Ecology is (Answer : C)
???????? ???????? ???????????? a) The science that studies the evolution of lif e, ????b) b) Integr ates both social and natur al sciences to
help us understand how the earth works, ????c) c) The study of the relationships between organisms and their
environment ????d)d) The study of the environment in the absence of humans
???????????? 176 ???? ????Forests grow in high r ain f all areas are (Answer : A)
???????? ???????? ???????????? a) (a) ever green f orests ????b) b) temper ate f orests ????c) c) conif ers ????d)d) Tundr a
???????????? 177 ???? ????Fungi is a (Answer : D)
???????? ???????? ???????????? a) Macroconsumer ????b) Producer ????c) Carnivore d ????d)Microconsumer
???????????? 178 ???? ????Nitrogen fixing blue green alga (Answer : C)
???????? ???????? ???????????? a) Clostridium ????b) Rhizobium ????c) Nostoc ????d)Nitrosomonas
???????????? 179 ???? ????Nitrogen gas returns to the atmosphere by the action of (Answer : B)
???????? ???????? ???????????? a) Nitrogen fixing bacteria ????b) Denitrif ying bacteria ????c) Nitrif ying bacteria ????d)Nitr ate f ertilizers
???????????? 180 ???? ????Patches of tall gr asslands interspersed with Sal f orest ecosystem is (Answer : A)
???????? ???????? ???????????? a) ????b) ????c) ????d)
???????????? 181 ???? ????Ramsar Convention ref ers to the conservation of ____________ (Answer : B)
???????? ???????? ???????????? a) (a) Deserts ????b) b) Wetlands ????c) c) Agriculture lands, ????d)d) Forest land
???????????? 182 ???? ????Some species whose removal can af f ect the survival of an ecosystem are called (Answer : B)
???????? ???????? ???????????? a) ????b) b) Keystone species ????c) c) Producers ????d)d) Carnivores
???????????? 183 ???? ????Sunderbans is home to (Answer : B)
???????? ???????? ???????????? a) Giant permanent pond ????b) Tempor ary aquatic system ????c) Simplest aquatic ecosystem ????d)Water
tank
???????????? 184 ???? ????The conversion of ammonia to nitr ate is known as ________ (Answer : B)
???????? ???????? ???????????? a) (a) ammonification ????b) b) nitrification ????c) c) denitrification ????d)d) all of these
???????????? 185 ???? ????The f orests which occur in law r ain f all area is (Answer : B)
???????? ???????? ???????????? a) (a) Evergreen f orests ????b) b) deciduous f orests ????c) c) Conif erous f orest ????d)d) All the above.
???????????? 186 ???? ????The inherent ability of organisms to reproduce and multiply is called, (Answer : B)
???????? ???????? ???????????? a) C value ????b) b) biotic potential ????c) c) carrying capacity ????d)d) K value
???????????? 187 ???? ????The largest br ackish water lake situated in Asia is in Orissa. Which is the lake? (Answer : A)
???????? ???????? ???????????? a) (a) Chilka lake ????b) b) Vembanad lake ????c) c) Woolar lake ????d)d) Dal lake
???????????? 188 ???? ????The Little Rann of Kutch is home to (Answer : D)
???????? ???????? ???????????? a) Horse ????b) b) Great Indian Bustard ????c) c) Lion ????d)d) Wild Ass
???????????? 189 ???? ????The presence of which is necessary f or photosynthesis (Answer : B)
???????? ???????? ???????????? a) (a) Chlorof orm ????b) b) Chlorophyll ????c) c) Phosphorus ????d)d) Polymer
???????????? 190 ???? ????The process through which ecosystems tend to change after a period of time is called (Answer : A)
???????? ???????? ???????????? a) ????b) ????c) ????d)
???????????? 191 ???? ????The species that flower are called (Answer : C)
???????? ???????? ???????????? a) (a) gymnosperms ????b) b) bryophytes ????c) c) angiosperms ????d)d) algae
???????????? 192 ???? ????The term ?Eco? implies (Answer : A)
???????? ???????? ???????????? a) Environment ????b) Ecotone ????c) Ecotourism ????d)Soil
???????????? 193 ???? ????The term ?Ecology? was coined by (Answer : B)
???????? ???????? ???????????? a) A.G.Tansley ????b) Earnst Haeckel ????c) Aristotle ????d)Linnaeus
???????????? 194 ???? ????The word Biophilia was coined by (Answer : D)
???????? ???????? ???????????? a) Dr. Hackel ????b) Dr.Johanssen ????c) Dr. Ben jamine ????d)E. O. Wilson
???????????? 195 ???? ????What is Dendrology? (Answer : C)
???????? ???????? ???????????? a) Study of Plants ????b) Study of Butterflies ????c) Study of Trees ????d)None of these
???????????? 196 ???? ????What is edge species? (Answer : A)
???????? ???????? ???????????? a) The species which occur abundantly in the ecotone ????b) b) Species on the verge of extinction ????c)
c) Rare species ????d)d) Endemic species
???????????? 197 ???? ????What is symbiosis? (Answer : C)
???????? ???????? ???????????? a) Study of distribution of related species ????b) b) Association between members of same species
????c) c) Association between members of two species ????d)d) None
???????????? 198 ???? ????When number of f ood chains is interlocked this is called (Answer : C)
???????? ???????? ???????????? a) f ood link ????b) f ood chain ????c) f ood web ????d)pyr amid
???????????? 199 ???? ????Which is an example f or sedimentary biogeochemical cycle (Answer : D)
???????? ???????? ???????????? a) Oxygen cycle ????b) Nitrogen cycle ????c) Water cycle ????d)Phosphorus cycle
???????????? 200 ???? ????Which is the second largest in species richness? (Answer : C)
???????? ???????? ???????????? a) Desert ????b) b) Tundr a ????c) c) Cor al reefs ????d)d) Flowing water
???????????? 201 ???? ????Gr assland of USA is ref erred to as (Answer : A)
???????? ???????? ???????????? a) Pr airies ????b) Steppes ????c) Pampas ????d)Veldts
???????????? 202 ???? ????The complex network of interconnected f ood chains is called ___________ (Answer : B)
???????? ???????? ???????????? a) Trophic level ????b) Food web ????c) Ecological pyr amid ????d)Ecology chain
???????????? 203 ???? ????The animal which consumes decaying organic matter is _________ (Answer : B)
???????? ???????? ???????????? a) Carnivore ????b) Detritivore ????c) Herbivore ????d)Producers
???????????? 204 ???? ????An ecosystem gr adually merges with an adjoining one through a tr ansitional zone is called the
______________ (Answer : C)
???????? ???????? ???????????? a) Ecological niche ????b) ecological f ootprint ????c) ecotone ????d)Shore ef f ect
???????????? 205 ???? ????The Primary Consumers are also called as (Answer : A)
???????? ???????? ???????????? a) Herbivores ????b) Carnivores ????c) Enzymes ????d)None of these
???????????? 206 ???? ????The f orests which occur in law r ain f all area is called (Answer : B)
???????? ???????? ???????????? a) Evergreen f orests ????b) deciduous f orests ????c) Conif erous f orest ????d)All the above
???????????? 207 ???? ????Favor able morphological and physiological response to a change in environment is called (Answer : D)
???????? ???????? ???????????? a) Preadaptation ????b) Ecotyping ????c) Formation of ecophenes ????d)Acclimatization
???????????? 208 ???? ????Plants adapted to open, sunny habitats are (Answer : B)
???????? ???????? ???????????? a) Sciophytes ????b) Heliophytes ????c) Mesophytes ????d)Epiphytes
???????????? 209 ???? ????Temper ate f orests occur in India in (Answer : B)
???????? ???????? ???????????? a) Indo-gangetic plains ????b) Himalayas ????c) Eastern India ????d)Southern peninsula
???????????? 210 ???? ????In India, tropical evergreen f orests occur in (Answer : C)
???????? ???????? ???????????? a) Himachal Pr adesh ????b) Madhya Pr adesh ????c) Assam ????d)Tamil Nadu
???????????? 211 ???? ????Which one is natures cleaner? (Answer : C)
???????? ???????? ???????????? a) Consumers ????b) Producers ????c) Decomposers and Scavengers ????d)Symbionts
???????????? 212 ???? ????The relationship between nitrogen fixing bacteria and leguminous plants is an example f or (Answer : C)
???????? ???????? ???????????? a) Par asitism ????b) Predation ????c) Mutualism ????d)Symbiosis
???????????? 213 ???? ????______ trees shed their leaves during winter and hot summer. (Answer : C)
???????? ???????? ???????????? a) Ever green ????b) Conif erous ????c) Deciduous ????d)Shola
???????????? 214 ???? ????Thorn f orests are f ound in the_______ regions (Answer : A)
???????? ???????? ???????????? a) Semi-arid ????b) High r ain f all areas ????c) Low temper ature ????d)Frozen areas
???????????? 215 ???? ????________ is a cold desert in India (Answer : B)
???????? ???????? ???????????? a) Thar ????b) Ladakh ????c) Ran of Kutch ????d)Bhopal
???????????? 216 ???? ????______ is an example of bottom f eeders (Answer : A)
???????? ???????? ???????????? a) Cat fish ????b) Frog ????c) Snake ????d)Tadpole
???????????? 217 ???? ????A Hawk that eats a frog is a (Answer : D)
???????? ???????? ???????????? a) Producer ????b) Primary Consumer ????c) Secondary Consumer ????d)Tertiary Consumer
???????????? 218 ???? ????An example of lotic system (Answer : B)
???????? ???????? ???????????? a) Pond ????b) River ????c) Lake ????d)Reservoir
???????????? 219 ???? ????Complex interlinked f ood chains are called (Answer : A)
???????? ???????? ???????????? a) Food Web ????b) Food net work ????c) Trophic levels ????d)Food pyr amid
???????????? 220 ???? ????Lotic ecosystem ref ers to (Answer : B)
???????? ???????? ???????????? a) Static water system ????b) Ecosystem of flowing water ????c) Ecosystem of estuaries ????d)Deep
marine water system
???????????? 221 ???? ????Autotrophs are ______________ (Answer : D)
???????? ???????? ???????????? a) Consumers ????b) Herbivores ????c) Saprophytes ????d)Producers
???????????? 222 ???? ????Organisms which depened on Producers f or nutrition are called (Answer : C)
???????? ???????? ???????????? a) Autotrophs ????b) Saprophytes ????c) Consumers ????d)Xerophytes
???????????? 223 ???? ????The source of atmospheric oxygen is (Answer : B)
???????? ???????? ???????????? a) Nitrogen cycle ????b) Green Plants ????c) Water ????d)Carbon Cycle
???????????? 224 ???? ????Plants which grow in shade are called (Answer : A)
???????? ???????? ???????????? a) Sciophytes ????b) Heliophytes ????c) Oxylophytes ????d)Epiphytes
???????????? 225 ???? ????Photosynthesis is f ound in (Answer : A)
???????? ???????? ???????????? a) Producers ????b) Decomposers ????c) Consumers ????d)Scavengers
???????????? 226 ???? ????Phytoplankton are (Answer : B)
???????? ???????? ???????????? a) Producers of f orest ????b) Producers of lakes ????c) Consumers of Ocean ????d)Omnivores
???????????? 227 ???? ????Gas released during photosynthesis is (Answer : C)
???????? ???????? ???????????? a) Methane ????b) Nitrogen ????c) Oxygen ????d)Carbon dioxide
???????????? 228 ???? ????The ma jor reservoir of carbon is (Answer : B)
???????? ???????? ???????????? a) The atmosphere ????b) Ocean Bed ????c) Plant and animals ????d)Rock
???????????? 229 ???? ????The simplest aquatic ecosystem can be seen in a (Answer : C)
???????? ???????? ???????????? a) River ????b) Lake ????c) Pond ????d)Water Tank
???????????? 230 ???? ????What is hibernation and aestivation? (Answer : A)
???????? ???????? ???????????? a) Thermal adaptation shown by animals ????b) wind adaptation shown by animals ????c) adaptation of
animals to escape from predators ????d)None
???????????? 231 ???? ????What is lentic habitat ? (Answer : B)
???????? ???????? ???????????? a) Running water habitat ????b) Standing or still water habitat ????c) Marine habitat ????d)None
???????????? 232 ???? ????What is lotic habitat? (Answer : C)
???????? ???????? ???????????? a) Standing or still water habitat ????b) Marine habitat ????c) Running water habitat ????d)Stagnant water
???????????? 233 ???? ????What is Plankton? (Answer : A)
???????? ???????? ???????????? a) Microscopic floating organisms ? Plants and animals. ????b) bottom dwelling aquatic organisms ????c)
Large plants in water ????d)None
???????????? 234 ???? ????What is Canopy? (Answer : A)
???????? ???????? ???????????? a) Uppermost level of the f orest ????b) Ground level of the f orest ????c) Soil in f orest ????d)Climbers on
trees
???????????? 235 ???? ????North American gr assland are called (Answer : B)
???????? ???????? ???????????? a) Pampas ????b) Pr airies ????c) Savannah ????d)None
???????????? 236 ???? ????African gr asslands are called (Answer : C)
???????? ???????? ???????????? a) Pr airies ????b) Pampas ????c) Savannah ????d)None
???????????? 237 ???? ????Green plants are absent in deep sea. Why? (Answer : A)
???????? ???????? ???????????? a) Light is absent ????b) High pressure ????c) low temper ature ????d)Great depth
???????????? 238 ???? ????What is desertification? (Answer : D)
???????? ???????? ???????????? a) Conversion of f orests into desert ????b) Conversion of croplands into desert ????c) Conversion of
gr assland into desert ????d)all of the above
???????????? 239 ???? ????The first trophic level in a f ood chain (Answer : A)
???????? ???????? ???????????? a) Green Plants ????b) Herbivores ????c) Carnivores ????d)Bacteria
???????????? 240 ???? ????Sulphur bacteria are examples of (Answer : D)
???????? ???????? ???????????? a) Carnivores ????b) Heterotrophs ????c) Saprophytes ????d)Autotrophs
???????????? 241 ???? ????Green Land biome (Answer : B)
???????? ???????? ???????????? a) Tundr a ????b) Pampas ????c) Taiga ????d)Thaar.
???????????? 242 ???? ????What is deep ecology? (Answer : A)
???????? ???????? ???????????? a) Protecting nature f or its own sake ????b) Ecology of deep sea ????c) Ecology of f orest ????d)Ecology of
caves
???????????? 243 ???? ????Cor al reefs in India can be seen in (Answer : B)
???????? ???????? ???????????? a) Himalayan region ????b) Andaman and Nicobar Islands ????c) Uttarpr adesh ????d)Mahar ashtr a
???????????? 244 ???? ????____________ is one of the most endangered species of Indian birds (Answer : D)
???????? ???????? ???????????? a) Bee eater ????b) Par adise fly catcher ????c) Owl ????d)The great Indian bustard
???????????? 245 ???? ????................. species is known as Azadir achta Indica (Answer : A)
???????? ???????? ???????????? a) Neem ????b) Mango ????c) Jackfruit ????d)Banana
???????????? 246 ???? ????.................... is a marine tortoise which shows the unique phenomenon ?arribada? (Answer : A)
???????? ???????? ???????????? a) Olive Ridley ????b) Star T ortoise ????c) Tr avancore T ortoise ????d)b & c
???????????? 247 ???? ????.................... tree is known as ?flame of the f orest?? (Answer : B)
???????? ???????? ???????????? a) Zizyphus ????b) Butea monosperma ????c) Jackfruit ????d)Pongamea
???????????? 248 ???? ????All are insitu conservation ef f orts except (Answer : C)
???????? ???????? ???????????? a) National parks ????b) Sanctuaries ????c) Zoo ????d)
???????????? 249 ???? ????Approximately, 50% of total world species are present on (Answer : A)
???????? ???????? ???????????? a) tropical r ain f orest ????b) temper ate r ain f orest ????c) temper ate deciduous f orest d ????d)cor al reefs
???????????? 250 ???? ????Bears are usually hunted and killed f or their (Answer : B)
???????? ???????? ???????????? a) Teeth ????b) Skin ????c) Gall bladder ????d)Nails
???????????? 251 ???? ????Biodiversity (Answer : A)
???????? ???????? ???????????? a) increases towards the equator ????b) decreases towards the equator ????c) remains same throughout
the planet d ????d)has no ef f ect on change in latitude
???????????? 252 ???? ????Black Buck is a (Answer : B)
???????? ???????? ???????????? a) Goat ????b) Deer ????c) Butterfly ????d)Bird
???????????? 253 ???? ????Blue whale is placed under (Answer : A)
???????? ???????? ???????????? a) endangered ????b) critically endangered ????c) r are ????d)d) extinct
???????????? 254 ???? ????Conservation within the natur al habitat is (Answer : A)
???????? ???????? ???????????? a) insitu conservation ????b) exsitu conservation ????c) invivo conservation ????d)d) exvivo conservation
???????????? 255 ???? ????Cor al reefs in India can be seen in (Answer : B)
???????? ???????? ???????????? a) Himalayan region ????b) Andaman and Nicobar Islands ????c) Uttarpr adesh ????d)Mahar ashtr a
???????????? 256 ???? ????Dodo is (Answer : D)
???????? ???????? ???????????? a) endangered ????b) b) critically endangered ????c) c) r are ????d)d) extinct
???????????? 257 ???? ????Endemic species are (Answer : B)
???????? ???????? ???????????? a) r are species ????b) b) species localised in a specific region ????c) c) cosmopolitan in distribution d)
critically endangered species ????d)
???????????? 258 ???? ????Ex situ conservation includes (Answer : D)
???????? ???????? ???????????? a) Zoo ????b) Botanic garden ????c) c) Germplasm bank ????d)d) all of the above
???????????? 259 ???? ????Gharial is a (Answer : A)
???????? ???????? ???????????? a) Crocodile ????b) b) Cobr a ????c) c) T ortoise ????d)d) Frog
???????????? 260 ???? ????Herpetology is a br anch of Science which deals with (Answer : C)
???????? ???????? ???????????? a) Aves ????b) Mammals ????c) Reptiles ????d)Fishes
???????????? 261 ???? ????Hot spots are regions of high (Answer : B)
???????? ???????? ???????????? a) r arity ????b) b) endemism ????c) c) critically endangered population d) diversity ????d)d) diversity
???????????? 262 ???? ????India is primary centre of domestication of (Answer : D)
???????? ???????? ???????????? a) Sheep ????b) Goat ????c) Water Buf f alo ????d)Elephants
???????????? 263 ???? ????IUCN (The International Union For Conservation Of Nature And Natur al Resources) headquarters is at
(Answer : A)
???????? ???????? ???????????? a) Morges, Switzerland ????b) Paris, Fr ance ????c) Vienna, Austria d ????d)NewYork, USA
???????????? 264 ???? ????IUCN is also called as (Answer : B)
???????? ???????? ???????????? a) Man and Biosphere progr am ????b) World Conservation Union ????c) World Conservation Consortium
d ????d)World Wide Conservation Union
???????????? 265 ???? ????Killing of animals disturbs (Answer : C)
???????? ???????? ???????????? a) Good f or eco system ????b) Good f or man ????c) The balance of nature ????d)None
???????????? 266 ???? ????MAB progr am stands f or (Answer : D)
???????? ???????? ???????????? a) Man and biotechnology ????b) Material and biology ????c) Man and Biology ????d)Man and Biosphere
???????????? 267 ???? ????Pangolins f eed on (Answer : A)
???????? ???????? ???????????? a) ants ????b) b) fruits ????c) c) leaves ????d)d) roots
???????????? 268 ???? ????Red data book contains data of (Answer : D)
???????? ???????? ???????????? a) all plant species ????b) all animal species ????c) economically important species ????d)threatened
species
???????????? 269 ???? ????Silent Spring is a well known book written by (Answer : C)
???????? ???????? ???????????? a) John Miller ????b) Charles Darwin ????c) Rachel Carson ????d)Aldoleopold
???????????? 270 ???? ????The drug morphine is extr acted from ............... plant (Answer : C)
???????? ???????? ???????????? a) Cocoa ????b) Belladonna ????c) Opium Poppy ????d)Tannin
???????????? 271 ???? ????The first global environmental protection treaty The Montreal Protocol was signed on Sept. 26. (Answer
: D)
???????? ???????? ???????????? a) 1985 ????b) 1990 ????c) 1981 ????d)1987
???????????? 272 ???? ????The most important reason f or decrease in biodiversity is (Answer : D)
???????? ???????? ???????????? a) habitat pollution ????b) introduction of exotic species ????c) overexploitation ????d)habitat destruction
???????????? 273 ???? ????The only ape f ound in India (Answer : C)
???????? ???????? ???????????? a) Gorilla ????b) Chimpanzee ????c) Hoolock gibbon ????d)Or anguttan
???????????? 274 ???? ????Which of the f ollowing is a biodiversity hot sport in India? (Answer : A)
???????? ???????? ???????????? a) Western Ghats ????b) Nandadevi ????c) Eastern Ghats ????d)Ar avalli
???????????? 275 ???? ????Which of the f ollowing region has maximum diversity? (Answer : D)
???????? ???????? ???????????? a) mangroves ????b) temper ate r ainf orest ????c) taiga d ????d)cor al reefs
???????????? 276 ???? ????Which plants die after flowering? (Answer : B)
???????? ???????? ???????????? a) Lotus ????b) Bamboo ????c) Chrysanthemum ????d)Butea
???????????? 277 ???? ????Which tree is known as Cor al tree? (Answer : C)
???????? ???????? ???????????? a) Quercus ????b) Dipterocarps ????c) Erythrina ????d)Zizypus
???????????? 278 ???? ????Salim Ali Centre f or Ornithology and Natur al history is located at ______ (Answer : D)
???????? ???????? ???????????? a) Pune ????b) Hyder abad ????c) Ker ala ????d)Coimbatore
???????????? 279 ???? ????World wildlif e week is observed during (Answer : A)
???????? ???????? ???????????? a) First week of October ????b) Last week of October ????c) Third week of October ????d)First week of
September
???????????? 280 ???? ????Zoological Survey of India is at (Answer : C)
???????? ???????? ???????????? a) Delhi ????b) Mumbai ????c) Kolkata ????d)Chennai
???????????? 281 ???? ????The Salim Ali Bird sanctuary is located at (Answer : B)
???????? ???????? ???????????? a) Pondicherry ????b) Thattekad ????c) Anakkatti ????d)Kalakkadj
???????????? 282 ???? ????Who among the f ollowing is commonly called ?Bird Man of India?? (Answer : A)
???????? ???????? ???????????? a) Salim Ali ????b) M.S. Swaminathan ????c) M.C. Mehta ????d)Raphel Emerson
???????????? 283 ???? ????The phenomenon of occurrence of additional species f ound in the ecotone or tr ansitional zone
between adjoining ecosystems is known as _________ (Answer : A)
???????? ???????? ???????????? a) Edge ef f ect ????b) Root ef f ect ????c) Raman ef f ect ????d)Coolidge ef f ect
???????????? 284 ???? ????A set of organisms that resemble one another in appear ance and behaviour is called a _____________
(Answer : C)
???????? ???????? ???????????? a) Exons ????b) Prions ????c) Species ????d)guilds
???????????? 285 ???? ????All the genes of a population is called (Answer : A)
???????? ???????? ???????????? a) gene pool ????b) Genome ????c) Gene bunch ????d)Gene population
???????????? 286 ???? ????The first protected area in India is ____________ (Answer : B)
???????? ???????? ???????????? a) Silent valley ????b) Corbett National Park ????c) Bandipur sanctuary ????d)Nagar-Hole
???????????? 287 ???? ????The Indian Parliament passed the Biodiversity Bill in the year_________ (Answer : C)
???????? ???????? ???????????? a) 2000 ????b) 2005 ????c) 2002 ????d)2007
???????????? 288 ???? ????The destruction of habitat of plants and animals is called (Answer : C)
???????? ???????? ???????????? a) Endemism ????b) Endangered species ????c) Habitat loss ????d)Flood
???????????? 289 ???? ????Zoos are examples f or (Answer : C)
???????? ???????? ???????????? a) In-situ conservation ????b) In-vivo conservation ????c) Ex-situ conservation ????d)Ex-vivo conservation
???????????? 290 ???? ????In which Indian state is Corbet National park located (Answer : B)
???????? ???????? ???????????? a) Madya Pr adesh ????b) Uttar akhand ????c) Ker ala ????d)Tamilnadu
???????????? 291 ???? ????The first national park of Ker ala (Answer : D)
???????? ???????? ???????????? a) Ar alam ????b) Kottayam ????c) Idukki ????d)Ir avikulam
???????????? 292 ???? ????In which year was Pro ject Tiger launched? (Answer : A)
???????? ???????? ???????????? a) 1973 ????b) 1964 ????c) 1998 ????d)1970
???????????? 293 ???? ????Earth summit of Rio de Janeiro (1992) resulted in (Answer : C)
???????? ???????? ???????????? a) Compilation of Red list ????b) Establishment of biosphere reserves ????c) Conservation of biodiversity
????d)IUCN
???????????? 294 ???? ????Lions are f ound in (Answer : D)
???????? ???????? ???????????? a) Western Ghats ????b) Corbett National Park ????c) Forests of Madhya Pr adesh ????d)Gir f orests
???????????? 295 ???? ????National Park associated with rhinoceros is (Answer : A)
???????? ???????? ???????????? a) Kazir anga ????b) Ranthambore ????c) Corbett ????d)Valley of flowers
???????????? 296 ???? ????Some species of plants and animals are extremely r are and may occur only at a f ew locations are called
(Answer : B)
???????? ???????? ???????????? a) Endemic ????b) Endangered ????c) Vulner able ????d)Threatened
???????????? 297 ???? ????The only known breeding colony of the greater and lesser Flamingos in our country is seen in
???????.. desert. (Answer : A)
???????? ???????? ???????????? a) The Great Rann of Kutch ????b) The Thar ????c) Ladakh ????d)Atacama
???????????? 298 ???? ????The one-horned Rhinoceros is now restricted to which state? (Answer : C)
???????? ???????? ???????????? a) Mahar ashtr a ????b) Gujar at ????c) Assam ????d)Uttar Pr adesh
???????????? 299 ???? ????Asiatic lion is f ound only in _____ (Answer : A)
???????? ???????? ???????????? a) Gir Forest ????b) Manas ????c) Kasir anga ????d)Sundarbans
???????????? 300 ???? ????________ is a marine tortoise which shows the unique phenomenon ???arribada??? (Answer : A)
???????? ???????? ???????????? a) Olive Ridley ????b) Star T ortoise ????c) Tr avancore T ortoise ????d)b & c
???????????? 301 ???? ????Largest reptile in the world (Answer : B)
???????? ???????? ???????????? a) Dr agon ????b) Anaconda ????c) Crocodile ????d)Python
???????????? 302 ???? ????Snow leopard is f ound in which National Park? (Answer : B)
???????? ???????? ???????????? a) Kazir anga ????b) The Great Himalayan ????c) Bhar atpur ????d)Nagarhole
???????????? 303 ???? ????Point Calimere sanctuary is situated in which state? (Answer : A)
???????? ???????? ???????????? a) Tamilnadu ????b) Ker ala ????c) Karnataka ????d)Gujar at
???????????? 304 ???? ????The movement Beej Bachao Andolan was aimed f or the conservation of ________ (Answer : C)
???????? ???????? ???????????? a) Trees ????b) Shrubs ????c) Crops ????d)Coconut
???????????? 305 ???? ????In which year Silent Valley was declared as National Park? (Answer : C)
???????? ???????? ???????????? a) 1988 ????b) 1982 ????c) 1984 ????d)1981
???????????? 306 ???? ????The Red Data book which lists endangered species is maintained by (Answer : C)
???????? ???????? ???????????? a) UNO ????b) WHO ????c) IUCN ????d)WWF
???????????? 307 ???? ????First Biosphere reserve in India (Answer : A)
???????? ???????? ???????????? a) Nilgiri ????b) Agastyamala ????c) Er avikulam ????d)Chinnar
???????????? 308 ???? ????Flag ship species of Choolannur sanctuary (Answer : B)
???????? ???????? ???????????? a) Tiger ????b) Peacock ????c) Elephant ????d)Rhino
???????????? 309 ???? ????Which of the f ollowing is an extinct species? (Answer : C)
???????? ???????? ???????????? a) Tiger ????b) Lion ????c) Dodo ????d)Ostrich
???????????? 310 ???? ????________ is one of the most endangered species of Indian birds (Answer : D)
???????? ???????? ???????????? a) Bee eater ????b) Par adise fly catcher ????c) Owl ????d)The great Indian bustard
???????????? 311 ???? ????Many wild plant and animals are on the verge of extinction due to (Answer : A)
???????? ???????? ???????????? a) Habitat destruction ????b) Climatic changes ????c) Non availability of f ood ????d)None of the above
???????????? 312 ???? ????The most endangered ecosystem in India (Answer : B)
???????? ???????? ???????????? a) Shola f orest ecosystem ????b) Evergreen f orest ecosystem ????c) Pond ecosystem ????d)Tundr a
Ecosystem
???????????? 313 ???? ????Er avikulam National Park conserves (Answer : D)
???????? ???????? ???????????? a) Lion tailed macaque ????b) Tiger ????c) Elephant ????d)Nilgiri Tahr
???????????? 314 ???? ????First National Park in India (Answer : A)
???????? ???????? ???????????? a) Jim Corbert National Park ????b) Bandipur National Park ????c) Gir National Park ????d)Sunderbans
National Park
???????????? 315 ???? ????Agastyamalai Biosphere reserve is in (Answer : B)
???????? ???????? ???????????? a) Pathanamthitta ????b) Thiruvananthapur am ????c) Idukki ????d)Wayanad
???????????? 316 ???? ????What is meant by ex-situ conservation? (Answer : C)
???????? ???????? ???????????? a) Conservation of a species by protecting its habitat along with all other species living there. ????b)
Conservation of f orest eco system ????c) Conservation of a species outside its natur al habitat ????d)Conservation of
plants
???????????? 317 ???? ????The state which constituted green bench (Answer : B)
???????? ???????? ???????????? a) Ker ala ????b) Tamilnadu ????c) Assam ????d)Madhya Pr adesh
???????????? 318 ???? ????Name the endangered animal which is protected in Ra jamalai National park (Answer : C)
???????? ???????? ???????????? a) Chital ????b) Black buck ????c) Nilgiri Tahr ????d)None
???????????? 319 ???? ????Animals and plants are best protected in (Answer : C)
???????? ???????? ???????????? a) Zoos ????b) Botanical Gardens ????c) National Parks ????d)Sanctuaries
???????????? 320 ???? ????Worlds first Teak Forest was planted in 1842 in Ker ala. Identif y the place. (Answer : B)
???????? ???????? ???????????? a) Wayanad ????b) Nilambur ????c) Silent Valley ????d)Nelliyampathy
???????????? 321 ???? ????The Native Place of Redwood trees? (Answer : C)
???????? ???????? ???????????? a) Austr alia ????b) Amazon ????c) Calif ornia ????d)Thailand
???????????? 322 ???? ????Centre of Modern nuclear technology in India (Answer : C)
???????? ???????? ???????????? a) CRAS ????b) SARC ????c) BARC ????d)None of these
???????????? 323 ???? ????What is an Inciner ator? (Answer : A)
???????? ???????? ???????????? a) Furnace used f or burning solid waste ????b) Furnace used f or treating liquid waste ????c) Both a & b
????d)None of these
???????????? 324 ???? ????Photochemical smog is called (Answer : B)
???????? ???????? ???????????? a) T okyo smog ????b) London smog ????c) Los Angeles smog ????d)None
???????????? 325 ???? ????The combustion of waste in the absence of Oxygen is called (Answer : B)
???????? ???????? ???????????? a) Haemolysis ????b) Pyrolysis ????c) Hydrolysis ????d)None
???????????? 326 ???? ????The heating of earths atmosphere due to tr apped r adiation is known as (Answer : D)
???????? ???????? ???????????? a) Global warming ????b) Glass-House ef f ect ????c) Thermal ef f ect ????d)Green House Ef f ect
???????????? 327 ???? ????Thickness of plastic cover permissible to use (Answer : C)
???????? ???????? ???????????? a) 50 Microns ????b) 20 Microns ????c) 100 Microns ????d)10 Microns
???????????? 328 ???? ????A biodegr adable plastic developed by Biopak Corpor ation Austr alia (Answer : A)
a) Biopol ????b) Pet ????c) Polyester ????d)PVC
???????????? 329 ???? ????The Residential and Commercial wastes mainly consist of: (Answer : A)
???????? ???????? ???????????? a) Food wastes ????b) Card board ????c) Packaging materials ????d)None of these
???????????? 330 ???? ????Lead in water can cause (Answer : C)
???????? ???????? ???????????? a) Eye disease ????b) Arthritis ????c) Kidney damage ????d)Hair f alling
???????????? 331 ???? ????Colorless odorless and non corrosive air pollutant is (Answer : C)
???????? ???????? ???????????? a) Sulphur dioxide ????b) Carbon monoxide ????c) Carbon dioxide ????d)Ozone
???????????? 332 ???? ????Disease aggr avated by air pollution is (Answer : C)
???????? ???????? ???????????? a) Choler a ????b) Rheumatism ????c) Bronchitis ????d)Haemophilia
???????????? 333 ???? ????Which of the f ollowing type of pollution can cause the outbreak of Jaundice (Answer : C)
???????? ???????? ???????????? a) Air ????b) Thermal ????c) Water ????d)Land
???????????? 334 ???? ?????Ozone Hole? is a _____________ (Answer : B)
???????? ???????? ???????????? a) Hole in the atmosphere b ????b) Destruction of ozone layer c ????c) Hole in the hydrosphere d ????d)Hole
in the troposphere
???????????? 335 ???? ?????Plumbism? is the disorder develops in man when exposed to..... (Answer : A)
???????? ???????? ???????????? a) a) Lead ????b) b) Mercury ????c) c) Arsenic ????d)d) CO
???????????? 336 ???? ????A pollutant not released by exhaust of automobiles is.... (Answer : C)
???????? ???????? ???????????? a) a) SO 2 ????b) b) CO ????c) c) Fly Ash ????d)d) Hydrocarbon gases
???????????? 337 ???? ????Acid r ain contains (Answer : A)
???????? ???????? ???????????? a) Sulphuric acid b ????b) Hydrochloric acid c ????c) Oxalic acid d ????d)Acetic acid
???????????? 338 ???? ????An example of natur al pollutant is (Answer : D)
???????? ???????? ???????????? a) a) Forest fire ????b) b) Natur al Organic Decay ????c) c) Volcanic eruptions ????d)d) All of the above
???????????? 339 ???? ????An example of non-biodegr adable pollutant is (Answer : B)
???????? ???????? ???????????? a) a) Sewage ????b) b) Plastic ????c) c) Litter ????d)d) Vegetable waste
???????????? 340 ???? ????Birth r ate is called (Answer : C)
???????? ???????? ???????????? a) mortality b ????b) vital index c ????c) natality d ????d)viability
???????????? 341 ???? ????Bishnoi women is connected to (Answer : B)
???????? ???????? ???????????? a) Hindi Film ????b) b) Chipko movement ????c) c) Climate change ????d)d) Women rights
???????????? 342 ???? ????BOD is used f or the measurement of .... (Answer : C)
???????? ???????? ???????????? a) a) Atmospheric pollution ????b) b) Soil pollution ????c) c) Water pollution ????d)d) Nuclear pollution
???????????? 343 ???? ????Causative organisms of Malaria (Answer : C)
???????? ???????? ???????????? a) Bacteria b ????b) Fungus c ????c) Plasmodium d ????d)Virus
???????????? 344 ???? ????Component not released in the burning coal is... (Answer : D)
???????? ???????? ???????????? a) a) NO 2 ????b) b) SO 2 ????c) c) Fly Ash ????d)d) O 2
???????????? 345 ???? ????Death r ate of the population (Answer : A)
???????? ???????? ???????????? a) Mortality b ????b) Viability c ????c) Natality d ????d)Vitality
???????????? 346 ???? ????Ear muf fs or Cotton plugs are used to reduce pollution of..... (Answer : B)
???????? ???????? ???????????? a) a) Air ????b) b) Noise ????c) c) Thermal ????d)d) Nuclear
???????????? 347 ???? ????EIA is the (Answer : C)
???????? ???????? ???????????? a) a) Economic Inf ormation Awareness ????b) b) Environmental Inf ormation Awareness ????c) c)
Environmental Impact Assessment ????d)d) Environmental Impact Avoidance
???????????? 348 ???? ????El Nino (Answer : A)
???????? ???????? ???????????? a) a) a climate cycle in the Pacific Ocean impacting global weather patterns ????b) b) Cold current in the
Atlantic influencing South American weather ????c) c) An annual underwater phenomenon af f ecting global weather
????d)d) A sub-sahar an hot wind af f ecting global climate.
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???????????? 12 ???? ????World Environment Day (Answer : A)
???????? ???????? ???????????? a) 5th June ????b) 5th July ????c) 5th August ????d)5th September
???????????? 13 ???? ????The biggest award f or environmental activities in India is given in the name of an individual. In whose
name is it constituted? (Answer : C)
???????? ???????? ???????????? a) Lal Bahadur Shasthri ????b) Mor ar ji Desai ????c) Indir a Gandhi ????d)Kamar a j.
???????????? 14 ???? ????All f orms of water that comes down on Earth, including r ain, snow, hail etc. is known as _____________
(Answer : C)
???????? ???????? ???????????? a) Calcification ????b) Fixation ????c) Precipitation ????d)Accumulation
???????????? 15 ???? ????The ocean covers ________ percentage of Earth?s surf ace. (Answer : C)
???????? ???????? ???????????? a) 515 ????b) 0.61 ????c) 0.71 ????d)0.91
???????????? 16 ???? ????The portion of the earth and its environment which can support lif e is known as _________ (Answer : B)
???????? ???????? ???????????? a) Crust ????b) Biosphere ????c) Exosphere ????d)Atmosphere
???????????? 17 ???? ????What is troposphere? (Answer : C)
???????? ???????? ???????????? a) Portion of air ????b) Portion of water ????c) Lowest layer of atmosphere where we survive
????d)Portion of sky
???????????? 18 ???? ????The main energy source f or the environment is ________ (Answer : A)
???????? ???????? ???????????? a) Solar energy ????b) Chemical energy ????c) Bioelectric energy ????d)Electrical energy
???????????? 19 ???? ????What is UNCED? (Answer : C)
???????? ???????? ???????????? a) United Nations Conf erence on Education ????b) United Nations Conf erence on Environmental Day
????c) United Nations Conf erence on Environment and Development ????d)None of these.
???????????? 20 ???? ????Atmospheric humidity is measured by (Answer : C)
???????? ???????? ???????????? a) Auxanometer ????b) Photometer ????c) Hygrometer ????d)None
???????????? 21 ???? ????The area to which a species is biologically adapted to live is known (Answer : B)
???????? ???????? ???????????? a) Niche ????b) Habitat ????c) Succession ????d)Community
???????????? 22 ???? ????Study of inter-relationship between organisms and their environment is called (Answer : A)
???????? ???????? ???????????? a) Ecology ????b) Ecosystem ????c) Phytogeogr aphy ????d)Ethology
???????????? 23 ???? ????The term Ecology was coined by (Answer : B)
???????? ???????? ???????????? a) A.G.Tansley ????b) Earnst Haeckel ????c) Aristotle ????d)Linnaeus
???????????? 24 ???? ????An example of an abiotic component (Answer : B)
???????? ???????? ???????????? a) Plants ????b) Soil ????c) Animals ????d)Bacteria
???????????? 25 ???? ????The area to which a species is biologically adapted to live is known (Answer : B)
???????? ???????? ???????????? a) Niche ????b) Habitat ????c) Succession ????d)Community
???????????? 26 ???? ????The objective of environmental education is (Answer : D)
???????? ???????? ???????????? a) Raise consciousness about environmental education ????b) T o teach environmentally appropriate
behaviour ????c) Create an environmental ethic that f osters awareness about ecological inter-dependence of economics,
social and political ????d)All of the above
???????????? 27 ???? ????Which of the f ollowing is not influenced by human activities? (Answer : A)
???????? ???????? ???????????? a) Depletion of ground water ????b) Destruction of mangroves and wetlands ????c) Increased extinction
r ate of species ????d)None of the above
???????????? 28 ???? ????Environmental education is important only at (Answer : D)
???????? ???????? ???????????? a) Primary school stage ????b) Secondary school stage ????c) Collage stage ????d)All stages
???????????? 29 ???? ????Which of the f ollowing conceptual components of the environment are ef f ective tr ansporters of
matter? (Answer : A)
???????? ???????? ???????????? a) Atmosphere and hydrosphere ????b) (b) Atmosphere and lithosphere ????c) (c) Hydrosphere and
lithosphere ????d)(d) Lithosphere and biosphere
???????????? 30 ???? ????Biosphere is (Answer : B)
???????? ???????? ???????????? a) (a) The solid shell of inorganic materials on the surf ace of the Earth ????b) (b) The thin shell of
organic matter on the surf ace of earth comprising of all the living things ????c) (c) The sphere which occupies the
maximum volume of all the spheres ????d)(d) All of the above
???????????? 31 ???? ????Which of the f ollowing conceptual sphere of the environment is having the least stor age capacity f or
matter? (Answer : A)
???????? ???????? ???????????? a) (a) Atmosphere ????b) (b) Lithosphere ????c) (c) Hydrosphere ????d)(d) Biosphere
???????????? 32 ???? ????Which of the f ollowing is an example of impact of development activities on the Hydrosphere? (Answer
: D)
???????? ???????? ???????????? a) (a) Air pollution ????b) (b) Soil pollution ????c) (c) Soil erosion ????d)(d) Water pollution
???????????? 33 ???? ????Weather occurs in the Earths: (Answer : A)
???????? ???????? ???????????? a) (a) Troposhere ????b) (b) Mesophere ????c) (c) Ionosphere ????d)(d) Thermosphere
???????????? 34 ???? ????Biosphere is a term used to represent the: (Answer : C)
???????? ???????? ???????????? a) (a) Entire atmosphere consisting of troposphere, str atosphere, mesosphere, and thermosphere
????b) (b) Entire hydrosphere-representing the entire collection of water over the Earth as well as inside the Earth ????c) (c)
A small zone of Earth, where the lithosphere, hydrosphere, and atmosphere come in contact with one another ????d)(d)
Entire lithosphere-representing the solid Earth and its interior
???????????? 35 ???? ????The term ecology was introduced by: (Answer : A)
???????? ???????? ???????????? a) (a) Haeckel ????b) (b) Odum ????c) (c) Tansely ????d)(d) Ramdeo Mishr a
???????????? 36 ???? ????The study of inter actions between living and non-living organisms and environment is called (Answer :
B)
???????? ???????? ???????????? a) (a) Ecosystem ????b) (b) Ecology ????c) (c) Phyto-geogr aphy ????d)(d) Phytosociology
???????????? 37 ???? ????An ecosystem consist of (Answer : D)
???????? ???????? ???????????? a) (a) Green plants and animals ????b) (b) Green plants and decomposers ????c) (c) Producers and
consumers ????d)(d) Green plants, animals, decomposers and abiotic environment
???????????? 38 ???? ????The environment which has been modified by human activities is called (Answer : B)
???????? ???????? ???????????? a) (a) Natur al environment ????b) (b) Anthropogenic environment ????c) (c) Modem environment ????d)(d)
Urban environment
???????????? 39 ???? ????Which of the f ollowing statements is not true? (Answer : C)
???????? ???????? ???????????? a) (a) Inorganic nutrients are recycled in an ecosystem ????b) (b) Energy flows through the ecosystem
in the f orm of C-C bonds ????c) (c) Energy is recycled in an ecosystem ????d)(d) Respir ation process releases energy
???????????? 40 ???? ????Driving f orce in an ecosystem is (Answer : C)
???????? ???????? ???????????? a) (a) Plants ????b) (b) Producers ????c) (c) Solar energy ????d)(d) Biomass energy
???????????? 41 ???? ????Physical and chemical components of an ecosystem constitute (Answer : C)
???????? ???????? ???????????? a) (a) Biotic structure ????b) (b) Abioltic structure ????c) (c) Both of these ????d)(d) None of these
???????????? 42 ???? ????Which one of the f ollowing is an abiotic component of the ecosystem? (Answer : C)
???????? ???????? ???????????? a) (a) Bacteria ????b) (b) Plants ????c) (c) Humus ????d)(d) Fungi
???????????? 43 ???? ????Which of the f ollowing is a possible producer in an ecosystem? (Answer : A)
???????? ???????? ???????????? a) (a) Plants ????b) (b) Animals ????c) (c) Human beings ????d)(d) Fish
???????????? 44 ???? ????The organisms which f eed on dead organisms and excreta of living organisms are known (Answer : A)
???????? ???????? ???????????? a) (a) Decomposers ????b) (b) Consumers ????c) (c) Producers ????d)(d) Carnivores
???????????? 45 ???? ????A trophic level ref ers to: (Answer : C)
???????? ???????? ???????????? a) (a) Area in the tropics ????b) (b) An organism?s portion in a f ood chain ????c) (c) An organism?s
position in an ecosystem ????d)(d) An organism?s position in a biome
???????????? 46 ???? ????In a f ood chain animals constitute the: (Answer : C)
???????? ???????? ???????????? a) (a) First trophic level ????b) (b) Second trophic level ????c) (c) Intermediate trophic level ????d)(d)
Ultimate trophic level
???????????? 47 ???? ????The f ood chain in which microorganisms breakdown dead producers is called: (Answer : D)
???????? ???????? ???????????? a) (a) Consumer f ood chain ????b) (b) Predator f ood chain ????c) (c) Par asitic f ood chain ????d)(d) Detritus
f ood chain
???????????? 48 ???? ????Food chain starts with (Answer : A)
???????? ???????? ???????????? a) (a) Producer ????b) (b) Herbivores ????c) (c) Carnivores ????d)(d) Omnivores
???????????? 49 ???? ????In a f ood chain, humans are (Answer : D)
???????? ???????? ???????????? a) (a) Secondary consumers ????b) (b) Primary consumer ????c) (c) Producers ????d)(d) Primary and
secondary consumers both
???????????? 50 ???? ????Which one is the correct f ood chain? (Answer : A)
???????? ???????? ???????????? a) (a) Phytoplankton ?? Zooplankton ?? Fish ????b) (b) Zooplankton ?? Phytoplankton ?? Fish ????c)
(c) Zooplankton ?? Protozoans ?? Fish ????d)(d) Gr ass ?? Fish ?? Zooplankton
???????????? 51 ???? ????A f ood web consists of (Answer : A)
???????? ???????? ???????????? a) (a) Interlocking f ood chains ????b) (b) Producers, consumers and decomposers ????c) (c) A portion of
a f ood chain ????d)(d) A set of similar consumers
???????????? 52 ???? ????Food webs are (Answer : C)
???????? ???????? ???????????? a) (a) One kind of f ood ????b) (b) Not related to f ood chains at all ????c) (c) Inter-connected arr angement
of f ood chains ????d)(d) Linear arr angement of f ood chains
???????????? 53 ???? ????Pyr amid of number is given by (Answer : C)
???????? ???????? ???????????? a) (a) Haeckel ????b) (b) Odum ????c) (c) Elton ????d)(d) Tansely
???????????? 54 ???? ????Which ecological pyr amid is always upright? (Answer : C)
???????? ???????? ???????????? a) (a) Pyr amid of number ????b) (b) Pyr amid of biomass ????c) (c) Pyr amid of energy ????d)(d) Pyr amid of
number and biomass
???????????? 55 ???? ????An ecological pyr amid ref ers to the (Answer : D)
???????? ???????? ???????????? a) (a) Pyr amid of energy ????b) (b) Pyr amid of number ????c) (c) Pyr amid of biomass ????d)(d) All of the
above
???????????? 56 ???? ????An ecosystem may not undergo changes because: (Answer : A)
???????? ???????? ???????????? a) (a) It is in a state of homeostasis ????b) (b) It has plants and animals both ????c) (c) It gets solar
energy continuously ????d)(d) The decomposers are present in it
???????????? 57 ???? ????Energy flow in an ecosystem is always: (Answer : A)
???????? ???????? ???????????? a) (a) Unidirectional ????b) (b) Cyclic ????c) (c) Reversible ????d)(d) Multi-directional
???????????? 58 ???? ????The primary producers in a f orest ecosystem are: (Answer : A)
???????? ???????? ???????????? a) (a) Chlorophyll containing trees and plants ????b) (b) Herbivores ????c) (c) Carnivores ????d)(d) Bacteria
and other micro-organism
???????????? 59 ???? ????The desert among the f ollowing which is not a cold desert is: (Answer : D)
???????? ???????? ???????????? a) (a) Golbi desert ????b) (b) Patagonian desert ????c) (c) Atacama desert ????d)(d) Ma java desert
???????????? 60 ???? ????The darker zone in lakes where light penetr ation is negligible is called the: (Answer : D)
???????? ???????? ???????????? a) (a) Euphotic zone ????b) (b) Littor al zone ????c) (c) Limnetic zone ????d)(d) Benthic zone
???????????? 61 ???? ????The zone of a sea lying over the continental shelf is known as the: (Answer : B)
???????? ???????? ???????????? a) (a) Bathyl zone ????b) (b) Neritic zone ????c) (c) Abyssal zone ????d)(d) Littor al zone
???????????? 62 ???? ????Which one of the f ollowing is not a fresh water biome? (Answer : A)
???????? ???????? ???????????? a) (a) Lotic ????b) (b) Lentic ????c) (c) Spings ????d)(d) Deep sea
???????????? 63 ???? ????Tendency of pollutants to become concentr ated in successive trophic levels is known as: (Answer : A)
???????? ???????? ???????????? a) (a) Biomagnification ????b) (b) Biorhythm ????c) (c) Bioremediation ????d)(d) Biopir acy
???????????? 64 ???? ????Eutrophication is: (Answer : B)
???????? ???????? ???????????? a) (a) An improved water quality status of lakes ????b) (b) The result of accumulation of plant nutrients
in water bodies ????c) (c) A process in the carbon cycle ????d)(d) A water purification technique
???????????? 65 ???? ????Increase in f auna and decrease in flor a would be harmf ul due to increase in: (Answer : B)
???????? ???????? ???????????? a) (a) Diseases ????b) (b) CO ????c) (c) O2 ????d)(d) Radioactive pollution
???????????? 66 ???? ????The largest reservoir of nitrogen an our planet is: (Answer : B)
???????? ???????? ???????????? a) (a) Ocean ????b) (b) Atmosphere ????c) (c) Biosphere ????d)(d) Fossil f uels
???????????? 67 ???? ????Overgr azing results in: (Answer : A)
???????? ???????? ???????????? a) (a) Soil erosion ????b) (b) Retention of usef ul species ????c) (c) Productive soils ????d)(d) All of the
above
???????????? 68 ???? ????In the world, the economy of the India is: (Answer : D)
???????? ???????? ???????????? a) (a) Largest ????b) (b) Third largest ????c) (c) Second largest ????d)(d) Fourth largest
???????????? 69 ???? ????In services output, India is: (Answer : C)
???????? ???????? ???????????? a) 10 ????b) 12 ????c) 15 ????d)4
???????????? 70 ???? ?????Smog? is a mixture of (Answer : A)
???????? ???????? ???????????? a) a) Smoke and Fog ????b) (b) Snow and Fog ????c) ( c) Snow and Dust ????d)(d) Sulphur Dioxide and
Fog
???????????? 71 ???? ????A liquid f uel that was f ormed from the ancient remains of sea plants and animals is (Answer : B)
???????? ???????? ???????????? a) Natur al gasb ????b) Petroleumc ????c) Geothermal energyd ????d)Coal
???????????? 72 ???? ????A poisonous gas given out of vehicles exhaust is (Answer : A)
a) Carbon monoxideb ????b) Ethanec ????c) Methaned ????d)Carbon dioxide
???????????? 73 ???? ????A product of photosynthesis is (Answer : C)
???????? ???????? ???????????? a) Carbon dioxideb ????b) Waterc ????c) Oxygend ????d)Chlorophyll
???????????? 74 ???? ????Atmosphere consists of 79 percent Nitrogen and 21 percent Oxygen by (Answer : B)
???????? ???????? ???????????? a) Volumeb ????b) Weightc ????c) Densityd ????d)All of these
???????????? 75 ???? ????Biogas contains mainly (Answer : B)
???????? ???????? ???????????? a) Carbon dioxideb ????b) Methanec ????c) Butaned ????d)Propane
???????????? 76 ???? ????Carbon dioxide constitutes about 0.03% of the atmosphere (Answer : A)
???????? ???????? ???????????? a) By volume(b ????b) By weight(c ????c) By mass(d ????d)None of these
???????????? 77 ???? ????Development activities on the hydrosphere cause (Answer : C)
???????? ???????? ???????????? a) Air pollutionb ????b) Soil pollutionc ????c) Water pollutiond ????d)Soil erosion
???????????? 78 ???? ????Energy flow in an ecosystem is (Answer : C)
???????? ???????? ???????????? a) Bidirectionalb ????b) Unidirectionalc ????c) Multidirectionald ????d)All rounds
???????????? 79 ???? ????Energy from the heat inside the earth is (Answer : B)
???????? ???????? ???????????? a) a Natur al gas ????b) Geothermalc ????c) Petroleumd ????d)Terr athermal
???????????? 80 ???? ????Energy in the r ays from the sun is called (Answer : A)
???????? ???????? ???????????? a) Solar energyb ????b) Wind energyc ????c) Tidal energyd ????d)Water energy
???????????? 81 ???? ????Environment is the lif e support system that includes (Answer : D)
???????? ???????? ???????????? a) Airb ????b) Waterc ????c) Landd ????d)All of the above
???????????? 82 ???? ????Extensive planting of trees to increase cover is called (Answer : A)
???????? ???????? ???????????? a) Af f orestation(b ????b) Agrof orestation(c ????c) Def orestation(d ????d)Social f orestry
???????????? 83 ???? ????Extensive planting of trees to increase f orest cover is called (Answer : A)
???????? ???????? ???????????? a) Af f orestation, b ????b) Agrof orestry, c ????c) Def orestation, d ????d)Social f orestry
???????????? 84 ???? ????Forest and wild lif e are (Answer : A)
???????? ???????? ???????????? a) Renewable resource(b ????b) Non-renewable resources (c ????c) Inexhaustible resources (d ????d)None
of these
???????????? 85 ???? ????Forests prevent soil erosion by binding soil particles in their (Answer : B)
???????? ???????? ???????????? a) Leaves(b ????b) Roots(c ????c) Buds(d ????d)Stems
???????????? 86 ???? ????Formation of hole in Ozone is maximum over (Answer : C)
???????? ???????? ???????????? a) Indiab ????b) Europec ????c) Antarcticad ????d)Africa
???????????? 87 ???? ????Fossil f uel and metallic miner als are: (Answer : C)
???????? ???????? ???????????? a) Renewable resource (b ????b) Inexhaustible resources (c ????c) Non-renewable resources (d ????d)None
of these
???????????? 88 ???? ????Green house ef f ect is linked to (Answer : C)
???????? ???????? ???????????? a) Nitrogen oxidesb ????b) Sulphur dioxidesc ????c) Carbon dioxidesd ????d)Carbon monoxides
???????????? 89 ???? ????In our country the percentage of land under f orest is about: (Answer : B)
???????? ???????? ???????????? a) 20%(b ????b) 19%(c ????c) 25%(d ????d)30%
???????????? 90 ???? ????In respect of water crisis, there have been conflicts/disputes between two countries, or states of the
same country. Which of the f ollowing has never been the case of water conflict? (Answer : D)
???????? ???????? ???????????? a) Cauvery water dispute between Tamil Nadu and Karnataka (b ????b) Yamuna-Betwa dispute between
U.P. and M.P. (c ????c) Sutlej Yamuna Link (SYL ????d)canal dispute between Pun jab and Haryana (d
???????????? 91 ???? ????Instrumentation technology used to locate suitable places f or mining (Answer : C)
???????? ???????? ???????????? a) a) Microscope ????b) b) Salinometer ????c) c) GIS ????d)d) camer a tr ap
???????????? 92 ???? ????Kaveri water dispute is in between: (Answer : D)
???????? ???????? ???????????? a) India and Pakistan (b ????b) Pun jab and Haryana (c ????c) Uttar Pr adesh and Madhya Pr adesh (d
????d)Karnataka and Tamil Nadu
???????????? 93 ???? ????Khetri (Ra jasthan) is f amous f or: (Answer : B)
???????? ???????? ???????????? a) Coal mines(b ????b) Copper mines(c ????c) Gr anite stone(d ????d)Marble stone
???????????? 94 ???? ????Main source of acid r ain is (Answer : A)
???????? ???????? ???????????? a) Sulphur dioxideb ????b) Nitrogenc ????c) Carbon dioxided ????d)Carbon monoxide
???????????? 95 ???? ????Ma jor consumer of wood from f orest is ___________ (Answer : B)
???????? ???????? ???????????? a) Thermal Power Plant ????b) Paper Industry ????c) Chemistry Industry ????d)none
???????????? 96 ???? ????Moisture in the air is known as (Answer : D)
???????? ???????? ???????????? a) a) Water ????b) (b) Fog ????c) ( c) Snow ????d)(d) Humidity
???????????? 97 ???? ????Name the country which virtually closed cod fishery in the 1990?s due to depletion of fish reserves
(Answer : A)
???????? ???????? ???????????? a) a) Canada ????b) b) Argentina ????c) c) Italy ????d)d) India
???????????? 98 ???? ????Name the financial agency which hesistate to support the Sardar Sarovar Pro ject in India in 1993 a result
of the demands of local people threatened with the loss of their livelihoods and homes in the submergence area.
(Answer : B)
???????? ???????? ???????????? a) a) Swiss bank ????b) b) World Bank ????c) c) Bank of India ????d)d) International Monetary Fund
???????????? 99 ???? ????Nitrogen constitutes about 78% of the atmosphere (Answer : C)
???????? ???????? ???????????? a) By weight(b ????b) By mass(c ????c) By volume(d ????d)None of these
???????????? 100 ???? ????Noise is measured by sound meter and the unit is (Answer : C)
???????? ???????? ???????????? a) Hertzb ????b) Joulec ????c) Decibeld ????d)Seconds
???????????? 101 ???? ????One of India?s serious environmental problems is f orest degr adation. What is the main cause of f orest
degr adation? (Answer : A)
???????? ???????? ???????????? a) timber extr action ????b) honey extr action ????c) high altitude ????d)Low Rainf all
???????????? 102 ???? ????Ozone day is observed on (Answer : B)
???????? ???????? ???????????? a) 3rd Januaryb ????b) 16th Septemberc ????c) 10th Novemberd ????d)26th March
???????????? 103 ???? ????Ozone Umbrella is located in which layer of atmosphere (Answer : B)
???????? ???????? ???????????? a) a) Troposphere ????b) (b) Str atosphere ????c) (c) Mesosphere ????d)(d) Ionosphere
???????????? 104 ???? ????Peeling of Ozone umbrella, which protects us from UV r ays, is caused by (Answer : B)
???????? ???????? ???????????? a) Carbon monoxideb ????b) CFCsc ????c) Coal burningd ????d)Methane
???????????? 105 ???? ????Soil erosion removes surf ace soil which contains (Answer : A)
???????? ???????? ???????????? a) Organic matterb ????b) Plant nutrientsc ????c) Both a and bd ????d)none of the above
???????????? 106 ???? ????Sustainable development means (Answer : C)
???????? ???????? ???????????? a) a. meeting present needs without compromising on f uture needs ????b) b. progress of human beings
????c) c. balance between human needs and the ability of earth to provide the resources ????d)d. all of the above
???????????? 107 ???? ????The adverse ef f ect of modern agriculture is (Answer : B)
???????? ???????? ???????????? a) Water pollutionb ????b) Soil degr adationc ????c) Water loggingd ????d)All of the above
???????????? 108 ???? ????The f ossil f uel that is derived from the dead remains of plants that grew some 250 million years ago is
(Answer : C)
???????? ???????? ???????????? a) Petroleumb ????b) Natur al gasc ????c) Coald ????d)LPG
???????????? 109 ???? ????The impact of construction of dams (Answer : D)
???????? ???????? ???????????? a) Submerged f orest b ????b) Loss of wild lif e habitat c ????c) Damages downstream ecosystem d ????d)All
of the above
???????????? 110 ???? ????The ma jor cause f or land degr adation in our country is (Answer : A)
???????? ???????? ???????????? a) Soil erosion(b ????b) Pollution of soil(c ????c) Water-logging(d ????d)None of the above
???????????? 111 ???? ????The ma jor reason f or floods in the rivers Ganges and Br ahmaputr a is ________ (Answer : B)
???????? ???????? ???????????? a) a) Dams in Himalayas ????b) b) Def orestation in Himalayas ????c) c) Heavy r ains ????d)d) Melting of ice
???????????? 112 ???? ????The method of r ainwater harvesting which can be adopted by individual house owners is (Answer : D)
???????? ???????? ???????????? a) Construction of recharge trenches (b ????b) On channel stor age of water (c ????c) Creation of new
water bodies (d ????d)Roof-top r ainwater harvesting
???????????? 113 ???? ????The percentage of total world?s precipitation, which is lost to the atmosphere through evapor ation,
approximates to: (Answer : A)
???????? ???????? ???????????? a) 57%(b ????b) 7%(c ????c) 37%(d ????d)43%
???????????? 114 ???? ????The process of restoring f orests that once existed but was removed at some time in the past is known
as (Answer : B)
???????? ???????? ???????????? a) Af f orestationb ????b) Ref orestationc ????c) Def orestationd ????d)None of these
???????????? 115 ???? ????The share of Hydropower (Hydel pro jects) in worlds commercial electricity production is less than ________
(Answer : D)
???????? ???????? ???????????? a) 2.00% ????b) 4.00% ????c) 12.00% ????d)20.00%
???????????? 116 ???? ????The species restricted to be present in one region are called (Answer : B)
???????? ???????? ???????????? a) Edge speciesb ????b) Endemic species c ????c) Endangered species d ????d)Keystone species
???????????? 117 ???? ????The teeth are likely to be pitted, more susceptible to cavities and wear, when the fluoride concentr ation
is: (Answer : D)
???????? ???????? ???????????? a) More than 2 mg/1 (b ????b) More than 40 mg/1 (c ????c) More than 20 mg/1 (d ????d)More than 4 mg/1
???????????? 118 ???? ????The term ?Environment? has been derived from the French word which means to encircle or surround
(Answer : A)
???????? ???????? ???????????? a) Environb ????b) Oikosc ????c) Geod ????d)Aqua
???????????? 119 ???? ????Wetlands in the flood plains of rivers are also considered as nature?s ________ (Answer : C)
???????? ???????? ???????????? a) a) Heat sink ????b) b) carbon sink ????c) c) flood control systems ????d)d) swimming pool
???????????? 120 ???? ????What are rodenticides? (Answer : C)
???????? ???????? ???????????? a) that kill fishes ????b) that kill insects ????c) that kill r ats ????d)that kill crocos
???????????? 121 ???? ????What is Kyoto Protocol? (Answer : A)
???????? ???????? ???????????? a) a. It is an agreement among countries to take steps f or reducing global warming. ????b) b. It is an
agreement among countries to take steps f or reducing acid r ain. ????c) c. It is an agreement among countries to take steps
f or planting trees to control pollution. ????d)d. It is an agreement among countries to start using nuclear energy.
???????????? 122 ???? ????What is the ma jor limiting f actor in the arid areas of our country? (Answer : C)
???????? ???????? ???????????? a) a) Money ????b) b) f orests ????c) c) water ????d)d) soil
???????????? 123 ???? ????What kind of people are the most ill-af f ected by the construction of dams? (Answer : D)
???????? ???????? ???????????? a) a) Urban dwellers ????b) b) beach dwellers ????c) c) tourists ????d)d) tribal people
???????????? 124 ???? ????When fluoride concentr ation in H2O exceeds about 1.5 mg/1, the disease that may be caused, is
(Answer : B)
???????? ???????? ???????????? a) Dental caries in children(b ????b) Fluorosis(c ????c) Polymyelitis(d ????d)Methemoglobinemia
???????????? 125 ???? ????Which among the f ollowing is a sedimentary type of cycle? (Answer : A)
???????? ???????? ???????????? a) Sulphur cycle(b ????b) Nitrogen cycle(c ????c) Oxygen cycle(d ????d)Carbon cycle
???????????? 126 ???? ????Which gas is responsible f or ozone layer depletion around earth? (Answer : B)
???????? ???????? ???????????? a) Carbon dioxideb ????b) Chlorofluorocarbonsc ????c) Oxygend ????d)Nitrogen oxide
???????????? 127 ???? ????Which gas is responsible f or the global warming? (Answer : B)
???????? ???????? ???????????? a) Nitrogenb ????b) Carbon dioxidec ????c) Noble gasesd ????d)Hydrogen
???????????? 128 ???? ????Which is a list of renewable resources? (Answer : D)
???????? ???????? ???????????? a) Petroleum, geothermal, wind b ????b) Biomass, geothermal, hydropower c ????c) Natur al gas, wind,
biomass d ????d)Hydropower, solar, wind energy
???????????? 129 ???? ????Which is the only country who has not r atified the Kyoto Protocol yet? (Answer : A)
???????? ???????? ???????????? a) United States ????b) Austr alia ????c) Japan ????d)India
???????????? 130 ???? ????Which of below items is the ma jor sector which extr acts most of fresh water available f or utilization?
(Answer : D)
???????? ???????? ???????????? a) domestic use ????b) drinking water ????c) bever age industry ????d)agriculture
???????????? 131 ???? ????Which of the f ollowing are consequences of ozone depletion (Answer : A)
???????? ???????? ???????????? a) Skin cancer and catar actb ????b) Reduced growth in plants c ????c) Shortening of zooplanktons and
their breeding period d ????d)All of the above
???????????? 132 ???? ????Which of the f ollowing are ma jor environmental issues involved in mining? (Answer : D)
???????? ???????? ???????????? a) air pollutionb ????b) water pollutionc ????c) soil degr adationd ????d)all of the above
???????????? 133 ???? ????Which of the f ollowing ef f ect is responsible f or Global Warming? (Answer : A)
???????? ???????? ???????????? a) Green house ef f ectb ????b) Radioactive ef f ectc ????c) Solar ef f ectd ????d)Nuclear ef f ect
???????????? 134 ???? ????Which of the f ollowing is management option f or air pollution? (Answer : D)
???????? ???????? ???????????? a) Regulations and standardsb ????b) Tr ansport planningc ????c) Using CNG as f ueld ????d)All of these
???????????? 135 ???? ????Which of the f ollowing is not a method f or water conservation? (Answer : B)
???????? ???????? ???????????? a) Rainwater harvesting(b ????b) Groundwater extr action (c ????c) Improving irrigation ef ficiency (d
????d)Avoiding water wastage
???????????? 136 ???? ????Which of the f ollowing is not a viable protection against def orestation? (Answer : C)
???????? ???????? ???????????? a) Reduce the consumption of f orest and related products (b ????b) Boycott products of companies
involve in def orestation (c ????c) Privatisation of f orest land (d ????d)Environmental education
???????????? 137 ???? ????Which of the f ollowing is not influenced by human activities? (Answer : D)
???????? ???????? ???????????? a) Destruction of mangroves and wetlands b ????b) Depletion of ground water c ????c) Increased
extinction r ate of species d ????d)None of the above
???????????? 138 ???? ????Which of the f ollowing is not true about def orestation? (Answer : C)
???????? ???????? ???????????? a) Population explosion is one of the reasons f or def orestation (b ????b) Cleaning of f orest f or
agriculture causes def orestation. (c ????c) Def orestation is taking place only in developing courtiers. (d ????d)Cash crop
economy of third world is a cause of def orestation.
???????????? 139 ???? ????Which of the f ollowing is responsible f or desertification? (Answer : D)
???????? ???????? ???????????? a) Def orestation(b ????b) Mining(c ????c) Overgr azing(d ????d)All of the above
???????????? 140 ???? ????Which of the f ollowing statements about the f orest is not correct? (Answer : D)
???????? ???????? ???????????? a) Forest reduces soil erosion (b ????b) Provides recreational opportunities (c ????c) Provides economic
development (d ????d)None of the above
???????????? 141 ???? ????Which of these is not a f ossil f uel? (Answer : D)
???????? ???????? ???????????? a) Coalb ????b) Oilc ????c) Natur al gasd ????d)Ur anium
???????????? 142 ???? ????Which one of the f ollowing is not an ideal solution f or tackling water shortages? (Answer : D)
???????? ???????? ???????????? a) Controlling population growth (b ????b) Conserving water in irrigation (c ????c) Controlling water
pollution (d ????d)Drilling large number of deep bore wells
???????????? 143 ???? ????Which one of the f ollowing regions in India is a hotspot of biodiversity? (Answer : B)
???????? ???????? ???????????? a) Sundarbansb ????b) Western Ghatsc ????c) Eastern Ghatsd ????d)Gangetic plains
???????????? 144 ???? ????World environment day is on: (Answer : B)
???????? ???????? ???????????? a) 5th Mayb ????b) 5th Junec ????c) 18th Julyd ????d)16th August
???????????? 145 ???? ????World Forest day is celebr ated on (Answer : A)
???????? ???????? ???????????? a) 21st March b ????b) 5th June c ????c) 1st Dec d ????d)7th June
???????????? 146 ???? ????Yellowing of Ta j Mahal is an ef f ect of (Answer : A)
???????? ???????? ???????????? a) Acid r ainb ????b) Global warmingc ????c) Ozone depletiond ????d)All of the above
???????????? 147 ???? ????Green Revolution in India was initiated by __________ (Answer : A)
???????? ???????? ???????????? a) M.S. Swaminathan ????b) Sunderlal Bahuguna ????c) Kurien ????d)Medha Patkar
???????????? 148 ???? ????Who wrote the book Violence of Green Revolution (Answer : A)
???????? ???????? ???????????? a) Vandana Siva ????b) Sheela Dikshit ????c) Menaka Gandhi ????d)Arundhathi Roy.
???????????? 149 ???? ????World Forest day is celebr ated on (Answer : A)
???????? ???????? ???????????? a) 21st March ????b) 5th June ????c) 1st Dec ????d)7th June
???????????? 150 ???? ????The Chipko movement is started by (Answer : B)
???????? ???????? ???????????? a) Engler ????b) Sunderlal Bahuguna ????c) Medha Padkar ????d)None of these
???????????? 151 ???? ????Green revolution is associated with _________ (Answer : B)
???????? ???????? ???????????? a) sericulture ????b) Agriculture ????c) Fish culture ????d)silviculture
???????????? 152 ???? ????Which gas is likely to be reduced in the atmosphere by def orestation? (Answer : C)
???????? ???????? ???????????? a) Carbon dioxide ????b) Nitrogen ????c) Oxygen ????d)Sulphur dioxide
???????????? 153 ???? ????Extensive planting of trees to increase f orest cover is called (Answer : A)
???????? ???????? ???????????? a) Af f orestation ????b) Agrof orestry ????c) Def orestation ????d)Social f orestry
???????????? 154 ???? ????Soil erosion can be prevented by (Answer : B)
???????? ???????? ???????????? a) Def orestation ????b) Af f orestation ????c) Overgr azing ????d)Removal of vegetation
???????????? 155 ???? ????The components of LPG are _____________ (Answer : B)
???????? ???????? ???????????? a) Methane & Hexane ????b) Propane & Butane ????c) Ethane & Methane ????d)Propane & Ethane
???????????? 156 ???? ????Which of the f ollowing is the most responsible f or world water crisis? (Answer : C)
???????? ???????? ???????????? a) Dams ????b) Floods ????c) Drought ????d)Population growth
???????????? 157 ???? ????The resources that can be replaced by natur al ecological cycle is called (Answer : A)
???????? ???????? ???????????? a) Renewable ????b) Non-renewable ????c) exhaustible ????d)natur al
???????????? 158 ???? ????The amount of solar r adiation reaching the surf ace of the earth is called (Answer : A)
???????? ???????? ???????????? a) Solar flux ????b) reflected light ????c) miner als ????d)solvents
???????????? 159 ???? ????The most harmf ul of ultr aviolet r adiations are (Answer : A)
???????? ???????? ???????????? a) UV-C ????b) UV-B ????c) UV-A ????d)All the above
???????????? 160 ???? ????A renewable source of energy is (Answer : D)
???????? ???????? ???????????? a) Petroleum ????b) Coal ????c) Nuclear f uel ????d)Trees
???????????? 161 ???? ????The capacity to do work is termed as (Answer : D)
???????? ???????? ???????????? a) Power ????b) Force ????c) Strength ????d)Energy
???????????? 162 ???? ????The unit of total water content of the soil is known as (Answer : A)
???????? ???????? ???????????? a) Holard ????b) Chr aserd ????c) Echard ????d)All of the above
???????????? 163 ???? ????Pedology? (Answer : C)
???????? ???????? ???????????? a) Study of water ????b) Study of air ????c) Study of soil ????d)none
???????????? 164 ???? ????What is def orestation? (Answer : B)
???????? ???????? ???????????? a) Product of f orest ????b) Destruction of f orest ????c) Forest Protection ????d)none
???????????? 165 ???? ????Def orestation gener ally decreases (Answer : D)
???????? ???????? ???????????? a) Global Warming ????b) Drought ????c) Soil erosion ????d)Rainf all
???????????? 166 ???? ????Which among the f ollowing result in the f ormation of soil? (Answer : B)
???????? ???????? ???????????? a) Radiation ????b) Weathering ????c) Erosion ????d)Pollution
???????????? 167 ???? ????Mulching helps in (Answer : B)
???????? ???????? ???????????? a) soil f ertility ????b) moisture conservation ????c) improvements soil structure ????d)soil sterility
???????????? 168 ???? ????........................ is an example of ?bottom f eeders?. (Answer : A)
???????? ???????? ???????????? a) Cat fish ????b) Frog ????c) Snake ????d)Tadpole ????e)
???????????? 169 ???? ????..................... trees shed their leaves during winter and hot summer. (Answer : C)
???????? ???????? ???????????? a) (a) ever green ????b) b) conif erous ????c) c) deciduous ????d)d) Shola
???????????? 170 ???? ????...................... is a cold desert in India (Answer : B)
???????? ???????? ???????????? a) Thar ????b) Ladakh ????c) Ran of Kutch ????d)Bhopal
???????????? 171 ???? ????A lake ecosystem f unctions as a (Answer : A)
???????? ???????? ???????????? a) Ter ai ????b) Shola gr asslands ????c) Semi arid plains ????d)Himalayan pastures
???????????? 172 ???? ????An example of nitrogen fixing bacteria in the soil (Answer : C)
???????? ???????? ???????????? a) Rhizobium ????b) Nostoc ????c) Azotobacter ????d)Nitrobacter
???????????? 173 ???? ????An example of one way ecological cycle is (Answer : C)
???????? ???????? ???????????? a) carbon dioxide cycle ????b) water cycle ????c) energy cycle ????d)oxygen cycle
???????????? 174 ???? ????Br ackish water ecosystems in river deltas are among (Answer : B)
???????? ???????? ???????????? a) Least productive ecosystems ????b) Most productive in terms of biomass production ????c) c)
Unproductive d) Stagnant ecosystems ????d)
???????????? 175 ???? ????Ecology is (Answer : C)
???????? ???????? ???????????? a) The science that studies the evolution of lif e, ????b) b) Integr ates both social and natur al sciences to
help us understand how the earth works, ????c) c) The study of the relationships between organisms and their
environment ????d)d) The study of the environment in the absence of humans
???????????? 176 ???? ????Forests grow in high r ain f all areas are (Answer : A)
???????? ???????? ???????????? a) (a) ever green f orests ????b) b) temper ate f orests ????c) c) conif ers ????d)d) Tundr a
???????????? 177 ???? ????Fungi is a (Answer : D)
???????? ???????? ???????????? a) Macroconsumer ????b) Producer ????c) Carnivore d ????d)Microconsumer
???????????? 178 ???? ????Nitrogen fixing blue green alga (Answer : C)
???????? ???????? ???????????? a) Clostridium ????b) Rhizobium ????c) Nostoc ????d)Nitrosomonas
???????????? 179 ???? ????Nitrogen gas returns to the atmosphere by the action of (Answer : B)
???????? ???????? ???????????? a) Nitrogen fixing bacteria ????b) Denitrif ying bacteria ????c) Nitrif ying bacteria ????d)Nitr ate f ertilizers
???????????? 180 ???? ????Patches of tall gr asslands interspersed with Sal f orest ecosystem is (Answer : A)
???????? ???????? ???????????? a) ????b) ????c) ????d)
???????????? 181 ???? ????Ramsar Convention ref ers to the conservation of ____________ (Answer : B)
???????? ???????? ???????????? a) (a) Deserts ????b) b) Wetlands ????c) c) Agriculture lands, ????d)d) Forest land
???????????? 182 ???? ????Some species whose removal can af f ect the survival of an ecosystem are called (Answer : B)
???????? ???????? ???????????? a) ????b) b) Keystone species ????c) c) Producers ????d)d) Carnivores
???????????? 183 ???? ????Sunderbans is home to (Answer : B)
???????? ???????? ???????????? a) Giant permanent pond ????b) Tempor ary aquatic system ????c) Simplest aquatic ecosystem ????d)Water
tank
???????????? 184 ???? ????The conversion of ammonia to nitr ate is known as ________ (Answer : B)
???????? ???????? ???????????? a) (a) ammonification ????b) b) nitrification ????c) c) denitrification ????d)d) all of these
???????????? 185 ???? ????The f orests which occur in law r ain f all area is (Answer : B)
???????? ???????? ???????????? a) (a) Evergreen f orests ????b) b) deciduous f orests ????c) c) Conif erous f orest ????d)d) All the above.
???????????? 186 ???? ????The inherent ability of organisms to reproduce and multiply is called, (Answer : B)
???????? ???????? ???????????? a) C value ????b) b) biotic potential ????c) c) carrying capacity ????d)d) K value
???????????? 187 ???? ????The largest br ackish water lake situated in Asia is in Orissa. Which is the lake? (Answer : A)
???????? ???????? ???????????? a) (a) Chilka lake ????b) b) Vembanad lake ????c) c) Woolar lake ????d)d) Dal lake
???????????? 188 ???? ????The Little Rann of Kutch is home to (Answer : D)
???????? ???????? ???????????? a) Horse ????b) b) Great Indian Bustard ????c) c) Lion ????d)d) Wild Ass
???????????? 189 ???? ????The presence of which is necessary f or photosynthesis (Answer : B)
???????? ???????? ???????????? a) (a) Chlorof orm ????b) b) Chlorophyll ????c) c) Phosphorus ????d)d) Polymer
???????????? 190 ???? ????The process through which ecosystems tend to change after a period of time is called (Answer : A)
???????? ???????? ???????????? a) ????b) ????c) ????d)
???????????? 191 ???? ????The species that flower are called (Answer : C)
???????? ???????? ???????????? a) (a) gymnosperms ????b) b) bryophytes ????c) c) angiosperms ????d)d) algae
???????????? 192 ???? ????The term ?Eco? implies (Answer : A)
???????? ???????? ???????????? a) Environment ????b) Ecotone ????c) Ecotourism ????d)Soil
???????????? 193 ???? ????The term ?Ecology? was coined by (Answer : B)
???????? ???????? ???????????? a) A.G.Tansley ????b) Earnst Haeckel ????c) Aristotle ????d)Linnaeus
???????????? 194 ???? ????The word Biophilia was coined by (Answer : D)
???????? ???????? ???????????? a) Dr. Hackel ????b) Dr.Johanssen ????c) Dr. Ben jamine ????d)E. O. Wilson
???????????? 195 ???? ????What is Dendrology? (Answer : C)
???????? ???????? ???????????? a) Study of Plants ????b) Study of Butterflies ????c) Study of Trees ????d)None of these
???????????? 196 ???? ????What is edge species? (Answer : A)
???????? ???????? ???????????? a) The species which occur abundantly in the ecotone ????b) b) Species on the verge of extinction ????c)
c) Rare species ????d)d) Endemic species
???????????? 197 ???? ????What is symbiosis? (Answer : C)
???????? ???????? ???????????? a) Study of distribution of related species ????b) b) Association between members of same species
????c) c) Association between members of two species ????d)d) None
???????????? 198 ???? ????When number of f ood chains is interlocked this is called (Answer : C)
???????? ???????? ???????????? a) f ood link ????b) f ood chain ????c) f ood web ????d)pyr amid
???????????? 199 ???? ????Which is an example f or sedimentary biogeochemical cycle (Answer : D)
???????? ???????? ???????????? a) Oxygen cycle ????b) Nitrogen cycle ????c) Water cycle ????d)Phosphorus cycle
???????????? 200 ???? ????Which is the second largest in species richness? (Answer : C)
???????? ???????? ???????????? a) Desert ????b) b) Tundr a ????c) c) Cor al reefs ????d)d) Flowing water
???????????? 201 ???? ????Gr assland of USA is ref erred to as (Answer : A)
???????? ???????? ???????????? a) Pr airies ????b) Steppes ????c) Pampas ????d)Veldts
???????????? 202 ???? ????The complex network of interconnected f ood chains is called ___________ (Answer : B)
???????? ???????? ???????????? a) Trophic level ????b) Food web ????c) Ecological pyr amid ????d)Ecology chain
???????????? 203 ???? ????The animal which consumes decaying organic matter is _________ (Answer : B)
???????? ???????? ???????????? a) Carnivore ????b) Detritivore ????c) Herbivore ????d)Producers
???????????? 204 ???? ????An ecosystem gr adually merges with an adjoining one through a tr ansitional zone is called the
______________ (Answer : C)
???????? ???????? ???????????? a) Ecological niche ????b) ecological f ootprint ????c) ecotone ????d)Shore ef f ect
???????????? 205 ???? ????The Primary Consumers are also called as (Answer : A)
???????? ???????? ???????????? a) Herbivores ????b) Carnivores ????c) Enzymes ????d)None of these
???????????? 206 ???? ????The f orests which occur in law r ain f all area is called (Answer : B)
???????? ???????? ???????????? a) Evergreen f orests ????b) deciduous f orests ????c) Conif erous f orest ????d)All the above
???????????? 207 ???? ????Favor able morphological and physiological response to a change in environment is called (Answer : D)
???????? ???????? ???????????? a) Preadaptation ????b) Ecotyping ????c) Formation of ecophenes ????d)Acclimatization
???????????? 208 ???? ????Plants adapted to open, sunny habitats are (Answer : B)
???????? ???????? ???????????? a) Sciophytes ????b) Heliophytes ????c) Mesophytes ????d)Epiphytes
???????????? 209 ???? ????Temper ate f orests occur in India in (Answer : B)
???????? ???????? ???????????? a) Indo-gangetic plains ????b) Himalayas ????c) Eastern India ????d)Southern peninsula
???????????? 210 ???? ????In India, tropical evergreen f orests occur in (Answer : C)
???????? ???????? ???????????? a) Himachal Pr adesh ????b) Madhya Pr adesh ????c) Assam ????d)Tamil Nadu
???????????? 211 ???? ????Which one is natures cleaner? (Answer : C)
???????? ???????? ???????????? a) Consumers ????b) Producers ????c) Decomposers and Scavengers ????d)Symbionts
???????????? 212 ???? ????The relationship between nitrogen fixing bacteria and leguminous plants is an example f or (Answer : C)
???????? ???????? ???????????? a) Par asitism ????b) Predation ????c) Mutualism ????d)Symbiosis
???????????? 213 ???? ????______ trees shed their leaves during winter and hot summer. (Answer : C)
???????? ???????? ???????????? a) Ever green ????b) Conif erous ????c) Deciduous ????d)Shola
???????????? 214 ???? ????Thorn f orests are f ound in the_______ regions (Answer : A)
???????? ???????? ???????????? a) Semi-arid ????b) High r ain f all areas ????c) Low temper ature ????d)Frozen areas
???????????? 215 ???? ????________ is a cold desert in India (Answer : B)
???????? ???????? ???????????? a) Thar ????b) Ladakh ????c) Ran of Kutch ????d)Bhopal
???????????? 216 ???? ????______ is an example of bottom f eeders (Answer : A)
???????? ???????? ???????????? a) Cat fish ????b) Frog ????c) Snake ????d)Tadpole
???????????? 217 ???? ????A Hawk that eats a frog is a (Answer : D)
???????? ???????? ???????????? a) Producer ????b) Primary Consumer ????c) Secondary Consumer ????d)Tertiary Consumer
???????????? 218 ???? ????An example of lotic system (Answer : B)
???????? ???????? ???????????? a) Pond ????b) River ????c) Lake ????d)Reservoir
???????????? 219 ???? ????Complex interlinked f ood chains are called (Answer : A)
???????? ???????? ???????????? a) Food Web ????b) Food net work ????c) Trophic levels ????d)Food pyr amid
???????????? 220 ???? ????Lotic ecosystem ref ers to (Answer : B)
???????? ???????? ???????????? a) Static water system ????b) Ecosystem of flowing water ????c) Ecosystem of estuaries ????d)Deep
marine water system
???????????? 221 ???? ????Autotrophs are ______________ (Answer : D)
???????? ???????? ???????????? a) Consumers ????b) Herbivores ????c) Saprophytes ????d)Producers
???????????? 222 ???? ????Organisms which depened on Producers f or nutrition are called (Answer : C)
???????? ???????? ???????????? a) Autotrophs ????b) Saprophytes ????c) Consumers ????d)Xerophytes
???????????? 223 ???? ????The source of atmospheric oxygen is (Answer : B)
???????? ???????? ???????????? a) Nitrogen cycle ????b) Green Plants ????c) Water ????d)Carbon Cycle
???????????? 224 ???? ????Plants which grow in shade are called (Answer : A)
???????? ???????? ???????????? a) Sciophytes ????b) Heliophytes ????c) Oxylophytes ????d)Epiphytes
???????????? 225 ???? ????Photosynthesis is f ound in (Answer : A)
???????? ???????? ???????????? a) Producers ????b) Decomposers ????c) Consumers ????d)Scavengers
???????????? 226 ???? ????Phytoplankton are (Answer : B)
???????? ???????? ???????????? a) Producers of f orest ????b) Producers of lakes ????c) Consumers of Ocean ????d)Omnivores
???????????? 227 ???? ????Gas released during photosynthesis is (Answer : C)
???????? ???????? ???????????? a) Methane ????b) Nitrogen ????c) Oxygen ????d)Carbon dioxide
???????????? 228 ???? ????The ma jor reservoir of carbon is (Answer : B)
???????? ???????? ???????????? a) The atmosphere ????b) Ocean Bed ????c) Plant and animals ????d)Rock
???????????? 229 ???? ????The simplest aquatic ecosystem can be seen in a (Answer : C)
???????? ???????? ???????????? a) River ????b) Lake ????c) Pond ????d)Water Tank
???????????? 230 ???? ????What is hibernation and aestivation? (Answer : A)
???????? ???????? ???????????? a) Thermal adaptation shown by animals ????b) wind adaptation shown by animals ????c) adaptation of
animals to escape from predators ????d)None
???????????? 231 ???? ????What is lentic habitat ? (Answer : B)
???????? ???????? ???????????? a) Running water habitat ????b) Standing or still water habitat ????c) Marine habitat ????d)None
???????????? 232 ???? ????What is lotic habitat? (Answer : C)
???????? ???????? ???????????? a) Standing or still water habitat ????b) Marine habitat ????c) Running water habitat ????d)Stagnant water
???????????? 233 ???? ????What is Plankton? (Answer : A)
???????? ???????? ???????????? a) Microscopic floating organisms ? Plants and animals. ????b) bottom dwelling aquatic organisms ????c)
Large plants in water ????d)None
???????????? 234 ???? ????What is Canopy? (Answer : A)
???????? ???????? ???????????? a) Uppermost level of the f orest ????b) Ground level of the f orest ????c) Soil in f orest ????d)Climbers on
trees
???????????? 235 ???? ????North American gr assland are called (Answer : B)
???????? ???????? ???????????? a) Pampas ????b) Pr airies ????c) Savannah ????d)None
???????????? 236 ???? ????African gr asslands are called (Answer : C)
???????? ???????? ???????????? a) Pr airies ????b) Pampas ????c) Savannah ????d)None
???????????? 237 ???? ????Green plants are absent in deep sea. Why? (Answer : A)
???????? ???????? ???????????? a) Light is absent ????b) High pressure ????c) low temper ature ????d)Great depth
???????????? 238 ???? ????What is desertification? (Answer : D)
???????? ???????? ???????????? a) Conversion of f orests into desert ????b) Conversion of croplands into desert ????c) Conversion of
gr assland into desert ????d)all of the above
???????????? 239 ???? ????The first trophic level in a f ood chain (Answer : A)
???????? ???????? ???????????? a) Green Plants ????b) Herbivores ????c) Carnivores ????d)Bacteria
???????????? 240 ???? ????Sulphur bacteria are examples of (Answer : D)
???????? ???????? ???????????? a) Carnivores ????b) Heterotrophs ????c) Saprophytes ????d)Autotrophs
???????????? 241 ???? ????Green Land biome (Answer : B)
???????? ???????? ???????????? a) Tundr a ????b) Pampas ????c) Taiga ????d)Thaar.
???????????? 242 ???? ????What is deep ecology? (Answer : A)
???????? ???????? ???????????? a) Protecting nature f or its own sake ????b) Ecology of deep sea ????c) Ecology of f orest ????d)Ecology of
caves
???????????? 243 ???? ????Cor al reefs in India can be seen in (Answer : B)
???????? ???????? ???????????? a) Himalayan region ????b) Andaman and Nicobar Islands ????c) Uttarpr adesh ????d)Mahar ashtr a
???????????? 244 ???? ????____________ is one of the most endangered species of Indian birds (Answer : D)
???????? ???????? ???????????? a) Bee eater ????b) Par adise fly catcher ????c) Owl ????d)The great Indian bustard
???????????? 245 ???? ????................. species is known as Azadir achta Indica (Answer : A)
???????? ???????? ???????????? a) Neem ????b) Mango ????c) Jackfruit ????d)Banana
???????????? 246 ???? ????.................... is a marine tortoise which shows the unique phenomenon ?arribada? (Answer : A)
???????? ???????? ???????????? a) Olive Ridley ????b) Star T ortoise ????c) Tr avancore T ortoise ????d)b & c
???????????? 247 ???? ????.................... tree is known as ?flame of the f orest?? (Answer : B)
???????? ???????? ???????????? a) Zizyphus ????b) Butea monosperma ????c) Jackfruit ????d)Pongamea
???????????? 248 ???? ????All are insitu conservation ef f orts except (Answer : C)
???????? ???????? ???????????? a) National parks ????b) Sanctuaries ????c) Zoo ????d)
???????????? 249 ???? ????Approximately, 50% of total world species are present on (Answer : A)
???????? ???????? ???????????? a) tropical r ain f orest ????b) temper ate r ain f orest ????c) temper ate deciduous f orest d ????d)cor al reefs
???????????? 250 ???? ????Bears are usually hunted and killed f or their (Answer : B)
???????? ???????? ???????????? a) Teeth ????b) Skin ????c) Gall bladder ????d)Nails
???????????? 251 ???? ????Biodiversity (Answer : A)
???????? ???????? ???????????? a) increases towards the equator ????b) decreases towards the equator ????c) remains same throughout
the planet d ????d)has no ef f ect on change in latitude
???????????? 252 ???? ????Black Buck is a (Answer : B)
???????? ???????? ???????????? a) Goat ????b) Deer ????c) Butterfly ????d)Bird
???????????? 253 ???? ????Blue whale is placed under (Answer : A)
???????? ???????? ???????????? a) endangered ????b) critically endangered ????c) r are ????d)d) extinct
???????????? 254 ???? ????Conservation within the natur al habitat is (Answer : A)
???????? ???????? ???????????? a) insitu conservation ????b) exsitu conservation ????c) invivo conservation ????d)d) exvivo conservation
???????????? 255 ???? ????Cor al reefs in India can be seen in (Answer : B)
???????? ???????? ???????????? a) Himalayan region ????b) Andaman and Nicobar Islands ????c) Uttarpr adesh ????d)Mahar ashtr a
???????????? 256 ???? ????Dodo is (Answer : D)
???????? ???????? ???????????? a) endangered ????b) b) critically endangered ????c) c) r are ????d)d) extinct
???????????? 257 ???? ????Endemic species are (Answer : B)
???????? ???????? ???????????? a) r are species ????b) b) species localised in a specific region ????c) c) cosmopolitan in distribution d)
critically endangered species ????d)
???????????? 258 ???? ????Ex situ conservation includes (Answer : D)
???????? ???????? ???????????? a) Zoo ????b) Botanic garden ????c) c) Germplasm bank ????d)d) all of the above
???????????? 259 ???? ????Gharial is a (Answer : A)
???????? ???????? ???????????? a) Crocodile ????b) b) Cobr a ????c) c) T ortoise ????d)d) Frog
???????????? 260 ???? ????Herpetology is a br anch of Science which deals with (Answer : C)
???????? ???????? ???????????? a) Aves ????b) Mammals ????c) Reptiles ????d)Fishes
???????????? 261 ???? ????Hot spots are regions of high (Answer : B)
???????? ???????? ???????????? a) r arity ????b) b) endemism ????c) c) critically endangered population d) diversity ????d)d) diversity
???????????? 262 ???? ????India is primary centre of domestication of (Answer : D)
???????? ???????? ???????????? a) Sheep ????b) Goat ????c) Water Buf f alo ????d)Elephants
???????????? 263 ???? ????IUCN (The International Union For Conservation Of Nature And Natur al Resources) headquarters is at
(Answer : A)
???????? ???????? ???????????? a) Morges, Switzerland ????b) Paris, Fr ance ????c) Vienna, Austria d ????d)NewYork, USA
???????????? 264 ???? ????IUCN is also called as (Answer : B)
???????? ???????? ???????????? a) Man and Biosphere progr am ????b) World Conservation Union ????c) World Conservation Consortium
d ????d)World Wide Conservation Union
???????????? 265 ???? ????Killing of animals disturbs (Answer : C)
???????? ???????? ???????????? a) Good f or eco system ????b) Good f or man ????c) The balance of nature ????d)None
???????????? 266 ???? ????MAB progr am stands f or (Answer : D)
???????? ???????? ???????????? a) Man and biotechnology ????b) Material and biology ????c) Man and Biology ????d)Man and Biosphere
???????????? 267 ???? ????Pangolins f eed on (Answer : A)
???????? ???????? ???????????? a) ants ????b) b) fruits ????c) c) leaves ????d)d) roots
???????????? 268 ???? ????Red data book contains data of (Answer : D)
???????? ???????? ???????????? a) all plant species ????b) all animal species ????c) economically important species ????d)threatened
species
???????????? 269 ???? ????Silent Spring is a well known book written by (Answer : C)
???????? ???????? ???????????? a) John Miller ????b) Charles Darwin ????c) Rachel Carson ????d)Aldoleopold
???????????? 270 ???? ????The drug morphine is extr acted from ............... plant (Answer : C)
???????? ???????? ???????????? a) Cocoa ????b) Belladonna ????c) Opium Poppy ????d)Tannin
???????????? 271 ???? ????The first global environmental protection treaty The Montreal Protocol was signed on Sept. 26. (Answer
: D)
???????? ???????? ???????????? a) 1985 ????b) 1990 ????c) 1981 ????d)1987
???????????? 272 ???? ????The most important reason f or decrease in biodiversity is (Answer : D)
???????? ???????? ???????????? a) habitat pollution ????b) introduction of exotic species ????c) overexploitation ????d)habitat destruction
???????????? 273 ???? ????The only ape f ound in India (Answer : C)
???????? ???????? ???????????? a) Gorilla ????b) Chimpanzee ????c) Hoolock gibbon ????d)Or anguttan
???????????? 274 ???? ????Which of the f ollowing is a biodiversity hot sport in India? (Answer : A)
???????? ???????? ???????????? a) Western Ghats ????b) Nandadevi ????c) Eastern Ghats ????d)Ar avalli
???????????? 275 ???? ????Which of the f ollowing region has maximum diversity? (Answer : D)
???????? ???????? ???????????? a) mangroves ????b) temper ate r ainf orest ????c) taiga d ????d)cor al reefs
???????????? 276 ???? ????Which plants die after flowering? (Answer : B)
???????? ???????? ???????????? a) Lotus ????b) Bamboo ????c) Chrysanthemum ????d)Butea
???????????? 277 ???? ????Which tree is known as Cor al tree? (Answer : C)
???????? ???????? ???????????? a) Quercus ????b) Dipterocarps ????c) Erythrina ????d)Zizypus
???????????? 278 ???? ????Salim Ali Centre f or Ornithology and Natur al history is located at ______ (Answer : D)
???????? ???????? ???????????? a) Pune ????b) Hyder abad ????c) Ker ala ????d)Coimbatore
???????????? 279 ???? ????World wildlif e week is observed during (Answer : A)
???????? ???????? ???????????? a) First week of October ????b) Last week of October ????c) Third week of October ????d)First week of
September
???????????? 280 ???? ????Zoological Survey of India is at (Answer : C)
???????? ???????? ???????????? a) Delhi ????b) Mumbai ????c) Kolkata ????d)Chennai
???????????? 281 ???? ????The Salim Ali Bird sanctuary is located at (Answer : B)
???????? ???????? ???????????? a) Pondicherry ????b) Thattekad ????c) Anakkatti ????d)Kalakkadj
???????????? 282 ???? ????Who among the f ollowing is commonly called ?Bird Man of India?? (Answer : A)
???????? ???????? ???????????? a) Salim Ali ????b) M.S. Swaminathan ????c) M.C. Mehta ????d)Raphel Emerson
???????????? 283 ???? ????The phenomenon of occurrence of additional species f ound in the ecotone or tr ansitional zone
between adjoining ecosystems is known as _________ (Answer : A)
???????? ???????? ???????????? a) Edge ef f ect ????b) Root ef f ect ????c) Raman ef f ect ????d)Coolidge ef f ect
???????????? 284 ???? ????A set of organisms that resemble one another in appear ance and behaviour is called a _____________
(Answer : C)
???????? ???????? ???????????? a) Exons ????b) Prions ????c) Species ????d)guilds
???????????? 285 ???? ????All the genes of a population is called (Answer : A)
???????? ???????? ???????????? a) gene pool ????b) Genome ????c) Gene bunch ????d)Gene population
???????????? 286 ???? ????The first protected area in India is ____________ (Answer : B)
???????? ???????? ???????????? a) Silent valley ????b) Corbett National Park ????c) Bandipur sanctuary ????d)Nagar-Hole
???????????? 287 ???? ????The Indian Parliament passed the Biodiversity Bill in the year_________ (Answer : C)
???????? ???????? ???????????? a) 2000 ????b) 2005 ????c) 2002 ????d)2007
???????????? 288 ???? ????The destruction of habitat of plants and animals is called (Answer : C)
???????? ???????? ???????????? a) Endemism ????b) Endangered species ????c) Habitat loss ????d)Flood
???????????? 289 ???? ????Zoos are examples f or (Answer : C)
???????? ???????? ???????????? a) In-situ conservation ????b) In-vivo conservation ????c) Ex-situ conservation ????d)Ex-vivo conservation
???????????? 290 ???? ????In which Indian state is Corbet National park located (Answer : B)
???????? ???????? ???????????? a) Madya Pr adesh ????b) Uttar akhand ????c) Ker ala ????d)Tamilnadu
???????????? 291 ???? ????The first national park of Ker ala (Answer : D)
???????? ???????? ???????????? a) Ar alam ????b) Kottayam ????c) Idukki ????d)Ir avikulam
???????????? 292 ???? ????In which year was Pro ject Tiger launched? (Answer : A)
???????? ???????? ???????????? a) 1973 ????b) 1964 ????c) 1998 ????d)1970
???????????? 293 ???? ????Earth summit of Rio de Janeiro (1992) resulted in (Answer : C)
???????? ???????? ???????????? a) Compilation of Red list ????b) Establishment of biosphere reserves ????c) Conservation of biodiversity
????d)IUCN
???????????? 294 ???? ????Lions are f ound in (Answer : D)
???????? ???????? ???????????? a) Western Ghats ????b) Corbett National Park ????c) Forests of Madhya Pr adesh ????d)Gir f orests
???????????? 295 ???? ????National Park associated with rhinoceros is (Answer : A)
???????? ???????? ???????????? a) Kazir anga ????b) Ranthambore ????c) Corbett ????d)Valley of flowers
???????????? 296 ???? ????Some species of plants and animals are extremely r are and may occur only at a f ew locations are called
(Answer : B)
???????? ???????? ???????????? a) Endemic ????b) Endangered ????c) Vulner able ????d)Threatened
???????????? 297 ???? ????The only known breeding colony of the greater and lesser Flamingos in our country is seen in
???????.. desert. (Answer : A)
???????? ???????? ???????????? a) The Great Rann of Kutch ????b) The Thar ????c) Ladakh ????d)Atacama
???????????? 298 ???? ????The one-horned Rhinoceros is now restricted to which state? (Answer : C)
???????? ???????? ???????????? a) Mahar ashtr a ????b) Gujar at ????c) Assam ????d)Uttar Pr adesh
???????????? 299 ???? ????Asiatic lion is f ound only in _____ (Answer : A)
???????? ???????? ???????????? a) Gir Forest ????b) Manas ????c) Kasir anga ????d)Sundarbans
???????????? 300 ???? ????________ is a marine tortoise which shows the unique phenomenon ???arribada??? (Answer : A)
???????? ???????? ???????????? a) Olive Ridley ????b) Star T ortoise ????c) Tr avancore T ortoise ????d)b & c
???????????? 301 ???? ????Largest reptile in the world (Answer : B)
???????? ???????? ???????????? a) Dr agon ????b) Anaconda ????c) Crocodile ????d)Python
???????????? 302 ???? ????Snow leopard is f ound in which National Park? (Answer : B)
???????? ???????? ???????????? a) Kazir anga ????b) The Great Himalayan ????c) Bhar atpur ????d)Nagarhole
???????????? 303 ???? ????Point Calimere sanctuary is situated in which state? (Answer : A)
???????? ???????? ???????????? a) Tamilnadu ????b) Ker ala ????c) Karnataka ????d)Gujar at
???????????? 304 ???? ????The movement Beej Bachao Andolan was aimed f or the conservation of ________ (Answer : C)
???????? ???????? ???????????? a) Trees ????b) Shrubs ????c) Crops ????d)Coconut
???????????? 305 ???? ????In which year Silent Valley was declared as National Park? (Answer : C)
???????? ???????? ???????????? a) 1988 ????b) 1982 ????c) 1984 ????d)1981
???????????? 306 ???? ????The Red Data book which lists endangered species is maintained by (Answer : C)
???????? ???????? ???????????? a) UNO ????b) WHO ????c) IUCN ????d)WWF
???????????? 307 ???? ????First Biosphere reserve in India (Answer : A)
???????? ???????? ???????????? a) Nilgiri ????b) Agastyamala ????c) Er avikulam ????d)Chinnar
???????????? 308 ???? ????Flag ship species of Choolannur sanctuary (Answer : B)
???????? ???????? ???????????? a) Tiger ????b) Peacock ????c) Elephant ????d)Rhino
???????????? 309 ???? ????Which of the f ollowing is an extinct species? (Answer : C)
???????? ???????? ???????????? a) Tiger ????b) Lion ????c) Dodo ????d)Ostrich
???????????? 310 ???? ????________ is one of the most endangered species of Indian birds (Answer : D)
???????? ???????? ???????????? a) Bee eater ????b) Par adise fly catcher ????c) Owl ????d)The great Indian bustard
???????????? 311 ???? ????Many wild plant and animals are on the verge of extinction due to (Answer : A)
???????? ???????? ???????????? a) Habitat destruction ????b) Climatic changes ????c) Non availability of f ood ????d)None of the above
???????????? 312 ???? ????The most endangered ecosystem in India (Answer : B)
???????? ???????? ???????????? a) Shola f orest ecosystem ????b) Evergreen f orest ecosystem ????c) Pond ecosystem ????d)Tundr a
Ecosystem
???????????? 313 ???? ????Er avikulam National Park conserves (Answer : D)
???????? ???????? ???????????? a) Lion tailed macaque ????b) Tiger ????c) Elephant ????d)Nilgiri Tahr
???????????? 314 ???? ????First National Park in India (Answer : A)
???????? ???????? ???????????? a) Jim Corbert National Park ????b) Bandipur National Park ????c) Gir National Park ????d)Sunderbans
National Park
???????????? 315 ???? ????Agastyamalai Biosphere reserve is in (Answer : B)
???????? ???????? ???????????? a) Pathanamthitta ????b) Thiruvananthapur am ????c) Idukki ????d)Wayanad
???????????? 316 ???? ????What is meant by ex-situ conservation? (Answer : C)
???????? ???????? ???????????? a) Conservation of a species by protecting its habitat along with all other species living there. ????b)
Conservation of f orest eco system ????c) Conservation of a species outside its natur al habitat ????d)Conservation of
plants
???????????? 317 ???? ????The state which constituted green bench (Answer : B)
???????? ???????? ???????????? a) Ker ala ????b) Tamilnadu ????c) Assam ????d)Madhya Pr adesh
???????????? 318 ???? ????Name the endangered animal which is protected in Ra jamalai National park (Answer : C)
???????? ???????? ???????????? a) Chital ????b) Black buck ????c) Nilgiri Tahr ????d)None
???????????? 319 ???? ????Animals and plants are best protected in (Answer : C)
???????? ???????? ???????????? a) Zoos ????b) Botanical Gardens ????c) National Parks ????d)Sanctuaries
???????????? 320 ???? ????Worlds first Teak Forest was planted in 1842 in Ker ala. Identif y the place. (Answer : B)
???????? ???????? ???????????? a) Wayanad ????b) Nilambur ????c) Silent Valley ????d)Nelliyampathy
???????????? 321 ???? ????The Native Place of Redwood trees? (Answer : C)
???????? ???????? ???????????? a) Austr alia ????b) Amazon ????c) Calif ornia ????d)Thailand
???????????? 322 ???? ????Centre of Modern nuclear technology in India (Answer : C)
???????? ???????? ???????????? a) CRAS ????b) SARC ????c) BARC ????d)None of these
???????????? 323 ???? ????What is an Inciner ator? (Answer : A)
???????? ???????? ???????????? a) Furnace used f or burning solid waste ????b) Furnace used f or treating liquid waste ????c) Both a & b
????d)None of these
???????????? 324 ???? ????Photochemical smog is called (Answer : B)
???????? ???????? ???????????? a) T okyo smog ????b) London smog ????c) Los Angeles smog ????d)None
???????????? 325 ???? ????The combustion of waste in the absence of Oxygen is called (Answer : B)
???????? ???????? ???????????? a) Haemolysis ????b) Pyrolysis ????c) Hydrolysis ????d)None
???????????? 326 ???? ????The heating of earths atmosphere due to tr apped r adiation is known as (Answer : D)
???????? ???????? ???????????? a) Global warming ????b) Glass-House ef f ect ????c) Thermal ef f ect ????d)Green House Ef f ect
???????????? 327 ???? ????Thickness of plastic cover permissible to use (Answer : C)
???????? ???????? ???????????? a) 50 Microns ????b) 20 Microns ????c) 100 Microns ????d)10 Microns
???????????? 328 ???? ????A biodegr adable plastic developed by Biopak Corpor ation Austr alia (Answer : A)
a) Biopol ????b) Pet ????c) Polyester ????d)PVC
???????????? 329 ???? ????The Residential and Commercial wastes mainly consist of: (Answer : A)
???????? ???????? ???????????? a) Food wastes ????b) Card board ????c) Packaging materials ????d)None of these
???????????? 330 ???? ????Lead in water can cause (Answer : C)
???????? ???????? ???????????? a) Eye disease ????b) Arthritis ????c) Kidney damage ????d)Hair f alling
???????????? 331 ???? ????Colorless odorless and non corrosive air pollutant is (Answer : C)
???????? ???????? ???????????? a) Sulphur dioxide ????b) Carbon monoxide ????c) Carbon dioxide ????d)Ozone
???????????? 332 ???? ????Disease aggr avated by air pollution is (Answer : C)
???????? ???????? ???????????? a) Choler a ????b) Rheumatism ????c) Bronchitis ????d)Haemophilia
???????????? 333 ???? ????Which of the f ollowing type of pollution can cause the outbreak of Jaundice (Answer : C)
???????? ???????? ???????????? a) Air ????b) Thermal ????c) Water ????d)Land
???????????? 334 ???? ?????Ozone Hole? is a _____________ (Answer : B)
???????? ???????? ???????????? a) Hole in the atmosphere b ????b) Destruction of ozone layer c ????c) Hole in the hydrosphere d ????d)Hole
in the troposphere
???????????? 335 ???? ?????Plumbism? is the disorder develops in man when exposed to..... (Answer : A)
???????? ???????? ???????????? a) a) Lead ????b) b) Mercury ????c) c) Arsenic ????d)d) CO
???????????? 336 ???? ????A pollutant not released by exhaust of automobiles is.... (Answer : C)
???????? ???????? ???????????? a) a) SO 2 ????b) b) CO ????c) c) Fly Ash ????d)d) Hydrocarbon gases
???????????? 337 ???? ????Acid r ain contains (Answer : A)
???????? ???????? ???????????? a) Sulphuric acid b ????b) Hydrochloric acid c ????c) Oxalic acid d ????d)Acetic acid
???????????? 338 ???? ????An example of natur al pollutant is (Answer : D)
???????? ???????? ???????????? a) a) Forest fire ????b) b) Natur al Organic Decay ????c) c) Volcanic eruptions ????d)d) All of the above
???????????? 339 ???? ????An example of non-biodegr adable pollutant is (Answer : B)
???????? ???????? ???????????? a) a) Sewage ????b) b) Plastic ????c) c) Litter ????d)d) Vegetable waste
???????????? 340 ???? ????Birth r ate is called (Answer : C)
???????? ???????? ???????????? a) mortality b ????b) vital index c ????c) natality d ????d)viability
???????????? 341 ???? ????Bishnoi women is connected to (Answer : B)
???????? ???????? ???????????? a) Hindi Film ????b) b) Chipko movement ????c) c) Climate change ????d)d) Women rights
???????????? 342 ???? ????BOD is used f or the measurement of .... (Answer : C)
???????? ???????? ???????????? a) a) Atmospheric pollution ????b) b) Soil pollution ????c) c) Water pollution ????d)d) Nuclear pollution
???????????? 343 ???? ????Causative organisms of Malaria (Answer : C)
???????? ???????? ???????????? a) Bacteria b ????b) Fungus c ????c) Plasmodium d ????d)Virus
???????????? 344 ???? ????Component not released in the burning coal is... (Answer : D)
???????? ???????? ???????????? a) a) NO 2 ????b) b) SO 2 ????c) c) Fly Ash ????d)d) O 2
???????????? 345 ???? ????Death r ate of the population (Answer : A)
???????? ???????? ???????????? a) Mortality b ????b) Viability c ????c) Natality d ????d)Vitality
???????????? 346 ???? ????Ear muf fs or Cotton plugs are used to reduce pollution of..... (Answer : B)
???????? ???????? ???????????? a) a) Air ????b) b) Noise ????c) c) Thermal ????d)d) Nuclear
???????????? 347 ???? ????EIA is the (Answer : C)
???????? ???????? ???????????? a) a) Economic Inf ormation Awareness ????b) b) Environmental Inf ormation Awareness ????c) c)
Environmental Impact Assessment ????d)d) Environmental Impact Avoidance
???????????? 348 ???? ????El Nino (Answer : A)
???????? ???????? ???????????? a) a) a climate cycle in the Pacific Ocean impacting global weather patterns ????b) b) Cold current in the
Atlantic influencing South American weather ????c) c) An annual underwater phenomenon af f ecting global weather
????d)d) A sub-sahar an hot wind af f ecting global climate.
???????????? 349 ???? ????Environmental Protection Act was introduced in the year (Answer : A)
???????? ???????? ???????????? a) 1986 b ????b) 1988 c ????c) 1972 d ????d)1989
???????????? 350 ???? ????Example f or a bio-degr adable polymer is (Answer : C)
???????? ???????? ???????????? a) Polyethylene b ????b) Polypropylene c ????c) Poly lactic acid d ????d)Polyester
???????????? 351 ???? ????Exposure of human body to r adiation may cause... (Answer : D)
???????? ???????? ???????????? a) a) Polio ????b) b) Gastroenteritis ????c) c) Haemophilia ????d)d) Leukemia
???????????? 352 ???? ????Increased heart beat, constriction of blood vessels and dilation of pupil are symptoms of.... (Answer :
A)
???????? ???????? ???????????? a) a) Sound pollution ????b) b) Thermal pollution ????c) c) Air pollution ????d)d) Nuclear pollution
???????????? 353 ???? ????India Government passed the Air act in the year (Answer : B)
???????? ???????? ???????????? a) a) 1991 ????b) b) 1981 ????c) c) 1982 ????d)d) 2001
???????????? 354 ???? ????Inf ection of HIV is usually detected by which test (Answer : A)
???????? ???????? ???????????? a) Elisa test b ????b) Hybridization c ????c) Gr am staining d ????d)None
???????????? 355 ???? ????IPCC (Answer : C)
???????? ???????? ???????????? a) a) International Panel on Climate Change ????b) b) International Peace Conf erence f or Climate ????c) c)
Intergovernmental Panel on Climate Change ????d)d) Intercontinental Plans f or Continuous
???????????? 356 ???? ????Largest source of air pollution in cities are .... (Answer : C)
???????? ???????? ???????????? a) a) Industries ????b) b) Sewage ????c) c) Automobiles ????d)d) Tanneries
???????????? 357 ???? ????Leader of ?Narmada Bachao Andolan? (Answer : B)
???????? ???????? ???????????? a) Vandana Siva b ????b) Medha Patkar c ????c) Menaka Gandhi d ????d)Mayilamma
???????????? 358 ???? ????Minamata disease is due to... (Answer : A)
???????? ???????? ???????????? a) a) Mercury poisoning ????b) b) Lead poisoning ????c) c) Arsenic poisoning ????d)d) Cadmium poisoning
???????????? 359 ???? ????Mullaperiyar dam is in the district? (Answer : C)
???????? ???????? ???????????? a) Thrissur b ????b) Pathanamthitta c ????c) Idukki d ????d)Alappuzha.
???????????? 360 ???? ????National Maritime Day of India is celebr ated on ______________ (Answer : B)
???????? ???????? ???????????? a) October 16 b ????b) April 05 c ????c) March 21 d ????d)May 22
???????????? 361 ???? ????Natur al earthquakes are caused by __________ (Answer : A)
???????? ???????? ???????????? a) Earth?s crust b ????b) deep seas c ????c) peak mountains d ????d)f orests
???????????? 362 ???? ????Noise is _______________ (Answer : C)
???????? ???????? ???????????? a) Huge sound b ????b) Sound of vehicles c ????c) Undesir able and unwanted sound d ????d)Sound of
cr ackers
???????????? 363 ???? ????Of ficial date of Earth Day is on _________ (Answer : A)
???????? ???????? ???????????? a) April 22 b ????b) March 21 c ????c) May 22 d ????d)June 05
???????????? 364 ???? ????On which date was the Stockholm Conf erence on Human Environment held? (Answer : C)
???????? ???????? ???????????? a) July 6th 1974 b ????b) Aug 8th 1976 c ????c) June 5th 1972 d ????d)Dec 12th 1990
???????????? 365 ???? ????One third of the global cases of Tuberculosis is in (Answer : C)
???????? ???????? ???????????? a) Britain b ????b) Sweden c ????c) India d ????d)China
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???????????? 12 ???? ????World Environment Day (Answer : A)
???????? ???????? ???????????? a) 5th June ????b) 5th July ????c) 5th August ????d)5th September
???????????? 13 ???? ????The biggest award f or environmental activities in India is given in the name of an individual. In whose
name is it constituted? (Answer : C)
???????? ???????? ???????????? a) Lal Bahadur Shasthri ????b) Mor ar ji Desai ????c) Indir a Gandhi ????d)Kamar a j.
???????????? 14 ???? ????All f orms of water that comes down on Earth, including r ain, snow, hail etc. is known as _____________
(Answer : C)
???????? ???????? ???????????? a) Calcification ????b) Fixation ????c) Precipitation ????d)Accumulation
???????????? 15 ???? ????The ocean covers ________ percentage of Earth?s surf ace. (Answer : C)
???????? ???????? ???????????? a) 515 ????b) 0.61 ????c) 0.71 ????d)0.91
???????????? 16 ???? ????The portion of the earth and its environment which can support lif e is known as _________ (Answer : B)
???????? ???????? ???????????? a) Crust ????b) Biosphere ????c) Exosphere ????d)Atmosphere
???????????? 17 ???? ????What is troposphere? (Answer : C)
???????? ???????? ???????????? a) Portion of air ????b) Portion of water ????c) Lowest layer of atmosphere where we survive
????d)Portion of sky
???????????? 18 ???? ????The main energy source f or the environment is ________ (Answer : A)
???????? ???????? ???????????? a) Solar energy ????b) Chemical energy ????c) Bioelectric energy ????d)Electrical energy
???????????? 19 ???? ????What is UNCED? (Answer : C)
???????? ???????? ???????????? a) United Nations Conf erence on Education ????b) United Nations Conf erence on Environmental Day
????c) United Nations Conf erence on Environment and Development ????d)None of these.
???????????? 20 ???? ????Atmospheric humidity is measured by (Answer : C)
???????? ???????? ???????????? a) Auxanometer ????b) Photometer ????c) Hygrometer ????d)None
???????????? 21 ???? ????The area to which a species is biologically adapted to live is known (Answer : B)
???????? ???????? ???????????? a) Niche ????b) Habitat ????c) Succession ????d)Community
???????????? 22 ???? ????Study of inter-relationship between organisms and their environment is called (Answer : A)
???????? ???????? ???????????? a) Ecology ????b) Ecosystem ????c) Phytogeogr aphy ????d)Ethology
???????????? 23 ???? ????The term Ecology was coined by (Answer : B)
???????? ???????? ???????????? a) A.G.Tansley ????b) Earnst Haeckel ????c) Aristotle ????d)Linnaeus
???????????? 24 ???? ????An example of an abiotic component (Answer : B)
???????? ???????? ???????????? a) Plants ????b) Soil ????c) Animals ????d)Bacteria
???????????? 25 ???? ????The area to which a species is biologically adapted to live is known (Answer : B)
???????? ???????? ???????????? a) Niche ????b) Habitat ????c) Succession ????d)Community
???????????? 26 ???? ????The objective of environmental education is (Answer : D)
???????? ???????? ???????????? a) Raise consciousness about environmental education ????b) T o teach environmentally appropriate
behaviour ????c) Create an environmental ethic that f osters awareness about ecological inter-dependence of economics,
social and political ????d)All of the above
???????????? 27 ???? ????Which of the f ollowing is not influenced by human activities? (Answer : A)
???????? ???????? ???????????? a) Depletion of ground water ????b) Destruction of mangroves and wetlands ????c) Increased extinction
r ate of species ????d)None of the above
???????????? 28 ???? ????Environmental education is important only at (Answer : D)
???????? ???????? ???????????? a) Primary school stage ????b) Secondary school stage ????c) Collage stage ????d)All stages
???????????? 29 ???? ????Which of the f ollowing conceptual components of the environment are ef f ective tr ansporters of
matter? (Answer : A)
???????? ???????? ???????????? a) Atmosphere and hydrosphere ????b) (b) Atmosphere and lithosphere ????c) (c) Hydrosphere and
lithosphere ????d)(d) Lithosphere and biosphere
???????????? 30 ???? ????Biosphere is (Answer : B)
???????? ???????? ???????????? a) (a) The solid shell of inorganic materials on the surf ace of the Earth ????b) (b) The thin shell of
organic matter on the surf ace of earth comprising of all the living things ????c) (c) The sphere which occupies the
maximum volume of all the spheres ????d)(d) All of the above
???????????? 31 ???? ????Which of the f ollowing conceptual sphere of the environment is having the least stor age capacity f or
matter? (Answer : A)
???????? ???????? ???????????? a) (a) Atmosphere ????b) (b) Lithosphere ????c) (c) Hydrosphere ????d)(d) Biosphere
???????????? 32 ???? ????Which of the f ollowing is an example of impact of development activities on the Hydrosphere? (Answer
: D)
???????? ???????? ???????????? a) (a) Air pollution ????b) (b) Soil pollution ????c) (c) Soil erosion ????d)(d) Water pollution
???????????? 33 ???? ????Weather occurs in the Earths: (Answer : A)
???????? ???????? ???????????? a) (a) Troposhere ????b) (b) Mesophere ????c) (c) Ionosphere ????d)(d) Thermosphere
???????????? 34 ???? ????Biosphere is a term used to represent the: (Answer : C)
???????? ???????? ???????????? a) (a) Entire atmosphere consisting of troposphere, str atosphere, mesosphere, and thermosphere
????b) (b) Entire hydrosphere-representing the entire collection of water over the Earth as well as inside the Earth ????c) (c)
A small zone of Earth, where the lithosphere, hydrosphere, and atmosphere come in contact with one another ????d)(d)
Entire lithosphere-representing the solid Earth and its interior
???????????? 35 ???? ????The term ecology was introduced by: (Answer : A)
???????? ???????? ???????????? a) (a) Haeckel ????b) (b) Odum ????c) (c) Tansely ????d)(d) Ramdeo Mishr a
???????????? 36 ???? ????The study of inter actions between living and non-living organisms and environment is called (Answer :
B)
???????? ???????? ???????????? a) (a) Ecosystem ????b) (b) Ecology ????c) (c) Phyto-geogr aphy ????d)(d) Phytosociology
???????????? 37 ???? ????An ecosystem consist of (Answer : D)
???????? ???????? ???????????? a) (a) Green plants and animals ????b) (b) Green plants and decomposers ????c) (c) Producers and
consumers ????d)(d) Green plants, animals, decomposers and abiotic environment
???????????? 38 ???? ????The environment which has been modified by human activities is called (Answer : B)
???????? ???????? ???????????? a) (a) Natur al environment ????b) (b) Anthropogenic environment ????c) (c) Modem environment ????d)(d)
Urban environment
???????????? 39 ???? ????Which of the f ollowing statements is not true? (Answer : C)
???????? ???????? ???????????? a) (a) Inorganic nutrients are recycled in an ecosystem ????b) (b) Energy flows through the ecosystem
in the f orm of C-C bonds ????c) (c) Energy is recycled in an ecosystem ????d)(d) Respir ation process releases energy
???????????? 40 ???? ????Driving f orce in an ecosystem is (Answer : C)
???????? ???????? ???????????? a) (a) Plants ????b) (b) Producers ????c) (c) Solar energy ????d)(d) Biomass energy
???????????? 41 ???? ????Physical and chemical components of an ecosystem constitute (Answer : C)
???????? ???????? ???????????? a) (a) Biotic structure ????b) (b) Abioltic structure ????c) (c) Both of these ????d)(d) None of these
???????????? 42 ???? ????Which one of the f ollowing is an abiotic component of the ecosystem? (Answer : C)
???????? ???????? ???????????? a) (a) Bacteria ????b) (b) Plants ????c) (c) Humus ????d)(d) Fungi
???????????? 43 ???? ????Which of the f ollowing is a possible producer in an ecosystem? (Answer : A)
???????? ???????? ???????????? a) (a) Plants ????b) (b) Animals ????c) (c) Human beings ????d)(d) Fish
???????????? 44 ???? ????The organisms which f eed on dead organisms and excreta of living organisms are known (Answer : A)
???????? ???????? ???????????? a) (a) Decomposers ????b) (b) Consumers ????c) (c) Producers ????d)(d) Carnivores
???????????? 45 ???? ????A trophic level ref ers to: (Answer : C)
???????? ???????? ???????????? a) (a) Area in the tropics ????b) (b) An organism?s portion in a f ood chain ????c) (c) An organism?s
position in an ecosystem ????d)(d) An organism?s position in a biome
???????????? 46 ???? ????In a f ood chain animals constitute the: (Answer : C)
???????? ???????? ???????????? a) (a) First trophic level ????b) (b) Second trophic level ????c) (c) Intermediate trophic level ????d)(d)
Ultimate trophic level
???????????? 47 ???? ????The f ood chain in which microorganisms breakdown dead producers is called: (Answer : D)
???????? ???????? ???????????? a) (a) Consumer f ood chain ????b) (b) Predator f ood chain ????c) (c) Par asitic f ood chain ????d)(d) Detritus
f ood chain
???????????? 48 ???? ????Food chain starts with (Answer : A)
???????? ???????? ???????????? a) (a) Producer ????b) (b) Herbivores ????c) (c) Carnivores ????d)(d) Omnivores
???????????? 49 ???? ????In a f ood chain, humans are (Answer : D)
???????? ???????? ???????????? a) (a) Secondary consumers ????b) (b) Primary consumer ????c) (c) Producers ????d)(d) Primary and
secondary consumers both
???????????? 50 ???? ????Which one is the correct f ood chain? (Answer : A)
???????? ???????? ???????????? a) (a) Phytoplankton ?? Zooplankton ?? Fish ????b) (b) Zooplankton ?? Phytoplankton ?? Fish ????c)
(c) Zooplankton ?? Protozoans ?? Fish ????d)(d) Gr ass ?? Fish ?? Zooplankton
???????????? 51 ???? ????A f ood web consists of (Answer : A)
???????? ???????? ???????????? a) (a) Interlocking f ood chains ????b) (b) Producers, consumers and decomposers ????c) (c) A portion of
a f ood chain ????d)(d) A set of similar consumers
???????????? 52 ???? ????Food webs are (Answer : C)
???????? ???????? ???????????? a) (a) One kind of f ood ????b) (b) Not related to f ood chains at all ????c) (c) Inter-connected arr angement
of f ood chains ????d)(d) Linear arr angement of f ood chains
???????????? 53 ???? ????Pyr amid of number is given by (Answer : C)
???????? ???????? ???????????? a) (a) Haeckel ????b) (b) Odum ????c) (c) Elton ????d)(d) Tansely
???????????? 54 ???? ????Which ecological pyr amid is always upright? (Answer : C)
???????? ???????? ???????????? a) (a) Pyr amid of number ????b) (b) Pyr amid of biomass ????c) (c) Pyr amid of energy ????d)(d) Pyr amid of
number and biomass
???????????? 55 ???? ????An ecological pyr amid ref ers to the (Answer : D)
???????? ???????? ???????????? a) (a) Pyr amid of energy ????b) (b) Pyr amid of number ????c) (c) Pyr amid of biomass ????d)(d) All of the
above
???????????? 56 ???? ????An ecosystem may not undergo changes because: (Answer : A)
???????? ???????? ???????????? a) (a) It is in a state of homeostasis ????b) (b) It has plants and animals both ????c) (c) It gets solar
energy continuously ????d)(d) The decomposers are present in it
???????????? 57 ???? ????Energy flow in an ecosystem is always: (Answer : A)
???????? ???????? ???????????? a) (a) Unidirectional ????b) (b) Cyclic ????c) (c) Reversible ????d)(d) Multi-directional
???????????? 58 ???? ????The primary producers in a f orest ecosystem are: (Answer : A)
???????? ???????? ???????????? a) (a) Chlorophyll containing trees and plants ????b) (b) Herbivores ????c) (c) Carnivores ????d)(d) Bacteria
and other micro-organism
???????????? 59 ???? ????The desert among the f ollowing which is not a cold desert is: (Answer : D)
???????? ???????? ???????????? a) (a) Golbi desert ????b) (b) Patagonian desert ????c) (c) Atacama desert ????d)(d) Ma java desert
???????????? 60 ???? ????The darker zone in lakes where light penetr ation is negligible is called the: (Answer : D)
???????? ???????? ???????????? a) (a) Euphotic zone ????b) (b) Littor al zone ????c) (c) Limnetic zone ????d)(d) Benthic zone
???????????? 61 ???? ????The zone of a sea lying over the continental shelf is known as the: (Answer : B)
???????? ???????? ???????????? a) (a) Bathyl zone ????b) (b) Neritic zone ????c) (c) Abyssal zone ????d)(d) Littor al zone
???????????? 62 ???? ????Which one of the f ollowing is not a fresh water biome? (Answer : A)
???????? ???????? ???????????? a) (a) Lotic ????b) (b) Lentic ????c) (c) Spings ????d)(d) Deep sea
???????????? 63 ???? ????Tendency of pollutants to become concentr ated in successive trophic levels is known as: (Answer : A)
???????? ???????? ???????????? a) (a) Biomagnification ????b) (b) Biorhythm ????c) (c) Bioremediation ????d)(d) Biopir acy
???????????? 64 ???? ????Eutrophication is: (Answer : B)
???????? ???????? ???????????? a) (a) An improved water quality status of lakes ????b) (b) The result of accumulation of plant nutrients
in water bodies ????c) (c) A process in the carbon cycle ????d)(d) A water purification technique
???????????? 65 ???? ????Increase in f auna and decrease in flor a would be harmf ul due to increase in: (Answer : B)
???????? ???????? ???????????? a) (a) Diseases ????b) (b) CO ????c) (c) O2 ????d)(d) Radioactive pollution
???????????? 66 ???? ????The largest reservoir of nitrogen an our planet is: (Answer : B)
???????? ???????? ???????????? a) (a) Ocean ????b) (b) Atmosphere ????c) (c) Biosphere ????d)(d) Fossil f uels
???????????? 67 ???? ????Overgr azing results in: (Answer : A)
???????? ???????? ???????????? a) (a) Soil erosion ????b) (b) Retention of usef ul species ????c) (c) Productive soils ????d)(d) All of the
above
???????????? 68 ???? ????In the world, the economy of the India is: (Answer : D)
???????? ???????? ???????????? a) (a) Largest ????b) (b) Third largest ????c) (c) Second largest ????d)(d) Fourth largest
???????????? 69 ???? ????In services output, India is: (Answer : C)
???????? ???????? ???????????? a) 10 ????b) 12 ????c) 15 ????d)4
???????????? 70 ???? ?????Smog? is a mixture of (Answer : A)
???????? ???????? ???????????? a) a) Smoke and Fog ????b) (b) Snow and Fog ????c) ( c) Snow and Dust ????d)(d) Sulphur Dioxide and
Fog
???????????? 71 ???? ????A liquid f uel that was f ormed from the ancient remains of sea plants and animals is (Answer : B)
???????? ???????? ???????????? a) Natur al gasb ????b) Petroleumc ????c) Geothermal energyd ????d)Coal
???????????? 72 ???? ????A poisonous gas given out of vehicles exhaust is (Answer : A)
a) Carbon monoxideb ????b) Ethanec ????c) Methaned ????d)Carbon dioxide
???????????? 73 ???? ????A product of photosynthesis is (Answer : C)
???????? ???????? ???????????? a) Carbon dioxideb ????b) Waterc ????c) Oxygend ????d)Chlorophyll
???????????? 74 ???? ????Atmosphere consists of 79 percent Nitrogen and 21 percent Oxygen by (Answer : B)
???????? ???????? ???????????? a) Volumeb ????b) Weightc ????c) Densityd ????d)All of these
???????????? 75 ???? ????Biogas contains mainly (Answer : B)
???????? ???????? ???????????? a) Carbon dioxideb ????b) Methanec ????c) Butaned ????d)Propane
???????????? 76 ???? ????Carbon dioxide constitutes about 0.03% of the atmosphere (Answer : A)
???????? ???????? ???????????? a) By volume(b ????b) By weight(c ????c) By mass(d ????d)None of these
???????????? 77 ???? ????Development activities on the hydrosphere cause (Answer : C)
???????? ???????? ???????????? a) Air pollutionb ????b) Soil pollutionc ????c) Water pollutiond ????d)Soil erosion
???????????? 78 ???? ????Energy flow in an ecosystem is (Answer : C)
???????? ???????? ???????????? a) Bidirectionalb ????b) Unidirectionalc ????c) Multidirectionald ????d)All rounds
???????????? 79 ???? ????Energy from the heat inside the earth is (Answer : B)
???????? ???????? ???????????? a) a Natur al gas ????b) Geothermalc ????c) Petroleumd ????d)Terr athermal
???????????? 80 ???? ????Energy in the r ays from the sun is called (Answer : A)
???????? ???????? ???????????? a) Solar energyb ????b) Wind energyc ????c) Tidal energyd ????d)Water energy
???????????? 81 ???? ????Environment is the lif e support system that includes (Answer : D)
???????? ???????? ???????????? a) Airb ????b) Waterc ????c) Landd ????d)All of the above
???????????? 82 ???? ????Extensive planting of trees to increase cover is called (Answer : A)
???????? ???????? ???????????? a) Af f orestation(b ????b) Agrof orestation(c ????c) Def orestation(d ????d)Social f orestry
???????????? 83 ???? ????Extensive planting of trees to increase f orest cover is called (Answer : A)
???????? ???????? ???????????? a) Af f orestation, b ????b) Agrof orestry, c ????c) Def orestation, d ????d)Social f orestry
???????????? 84 ???? ????Forest and wild lif e are (Answer : A)
???????? ???????? ???????????? a) Renewable resource(b ????b) Non-renewable resources (c ????c) Inexhaustible resources (d ????d)None
of these
???????????? 85 ???? ????Forests prevent soil erosion by binding soil particles in their (Answer : B)
???????? ???????? ???????????? a) Leaves(b ????b) Roots(c ????c) Buds(d ????d)Stems
???????????? 86 ???? ????Formation of hole in Ozone is maximum over (Answer : C)
???????? ???????? ???????????? a) Indiab ????b) Europec ????c) Antarcticad ????d)Africa
???????????? 87 ???? ????Fossil f uel and metallic miner als are: (Answer : C)
???????? ???????? ???????????? a) Renewable resource (b ????b) Inexhaustible resources (c ????c) Non-renewable resources (d ????d)None
of these
???????????? 88 ???? ????Green house ef f ect is linked to (Answer : C)
???????? ???????? ???????????? a) Nitrogen oxidesb ????b) Sulphur dioxidesc ????c) Carbon dioxidesd ????d)Carbon monoxides
???????????? 89 ???? ????In our country the percentage of land under f orest is about: (Answer : B)
???????? ???????? ???????????? a) 20%(b ????b) 19%(c ????c) 25%(d ????d)30%
???????????? 90 ???? ????In respect of water crisis, there have been conflicts/disputes between two countries, or states of the
same country. Which of the f ollowing has never been the case of water conflict? (Answer : D)
???????? ???????? ???????????? a) Cauvery water dispute between Tamil Nadu and Karnataka (b ????b) Yamuna-Betwa dispute between
U.P. and M.P. (c ????c) Sutlej Yamuna Link (SYL ????d)canal dispute between Pun jab and Haryana (d
???????????? 91 ???? ????Instrumentation technology used to locate suitable places f or mining (Answer : C)
???????? ???????? ???????????? a) a) Microscope ????b) b) Salinometer ????c) c) GIS ????d)d) camer a tr ap
???????????? 92 ???? ????Kaveri water dispute is in between: (Answer : D)
???????? ???????? ???????????? a) India and Pakistan (b ????b) Pun jab and Haryana (c ????c) Uttar Pr adesh and Madhya Pr adesh (d
????d)Karnataka and Tamil Nadu
???????????? 93 ???? ????Khetri (Ra jasthan) is f amous f or: (Answer : B)
???????? ???????? ???????????? a) Coal mines(b ????b) Copper mines(c ????c) Gr anite stone(d ????d)Marble stone
???????????? 94 ???? ????Main source of acid r ain is (Answer : A)
???????? ???????? ???????????? a) Sulphur dioxideb ????b) Nitrogenc ????c) Carbon dioxided ????d)Carbon monoxide
???????????? 95 ???? ????Ma jor consumer of wood from f orest is ___________ (Answer : B)
???????? ???????? ???????????? a) Thermal Power Plant ????b) Paper Industry ????c) Chemistry Industry ????d)none
???????????? 96 ???? ????Moisture in the air is known as (Answer : D)
???????? ???????? ???????????? a) a) Water ????b) (b) Fog ????c) ( c) Snow ????d)(d) Humidity
???????????? 97 ???? ????Name the country which virtually closed cod fishery in the 1990?s due to depletion of fish reserves
(Answer : A)
???????? ???????? ???????????? a) a) Canada ????b) b) Argentina ????c) c) Italy ????d)d) India
???????????? 98 ???? ????Name the financial agency which hesistate to support the Sardar Sarovar Pro ject in India in 1993 a result
of the demands of local people threatened with the loss of their livelihoods and homes in the submergence area.
(Answer : B)
???????? ???????? ???????????? a) a) Swiss bank ????b) b) World Bank ????c) c) Bank of India ????d)d) International Monetary Fund
???????????? 99 ???? ????Nitrogen constitutes about 78% of the atmosphere (Answer : C)
???????? ???????? ???????????? a) By weight(b ????b) By mass(c ????c) By volume(d ????d)None of these
???????????? 100 ???? ????Noise is measured by sound meter and the unit is (Answer : C)
???????? ???????? ???????????? a) Hertzb ????b) Joulec ????c) Decibeld ????d)Seconds
???????????? 101 ???? ????One of India?s serious environmental problems is f orest degr adation. What is the main cause of f orest
degr adation? (Answer : A)
???????? ???????? ???????????? a) timber extr action ????b) honey extr action ????c) high altitude ????d)Low Rainf all
???????????? 102 ???? ????Ozone day is observed on (Answer : B)
???????? ???????? ???????????? a) 3rd Januaryb ????b) 16th Septemberc ????c) 10th Novemberd ????d)26th March
???????????? 103 ???? ????Ozone Umbrella is located in which layer of atmosphere (Answer : B)
???????? ???????? ???????????? a) a) Troposphere ????b) (b) Str atosphere ????c) (c) Mesosphere ????d)(d) Ionosphere
???????????? 104 ???? ????Peeling of Ozone umbrella, which protects us from UV r ays, is caused by (Answer : B)
???????? ???????? ???????????? a) Carbon monoxideb ????b) CFCsc ????c) Coal burningd ????d)Methane
???????????? 105 ???? ????Soil erosion removes surf ace soil which contains (Answer : A)
???????? ???????? ???????????? a) Organic matterb ????b) Plant nutrientsc ????c) Both a and bd ????d)none of the above
???????????? 106 ???? ????Sustainable development means (Answer : C)
???????? ???????? ???????????? a) a. meeting present needs without compromising on f uture needs ????b) b. progress of human beings
????c) c. balance between human needs and the ability of earth to provide the resources ????d)d. all of the above
???????????? 107 ???? ????The adverse ef f ect of modern agriculture is (Answer : B)
???????? ???????? ???????????? a) Water pollutionb ????b) Soil degr adationc ????c) Water loggingd ????d)All of the above
???????????? 108 ???? ????The f ossil f uel that is derived from the dead remains of plants that grew some 250 million years ago is
(Answer : C)
???????? ???????? ???????????? a) Petroleumb ????b) Natur al gasc ????c) Coald ????d)LPG
???????????? 109 ???? ????The impact of construction of dams (Answer : D)
???????? ???????? ???????????? a) Submerged f orest b ????b) Loss of wild lif e habitat c ????c) Damages downstream ecosystem d ????d)All
of the above
???????????? 110 ???? ????The ma jor cause f or land degr adation in our country is (Answer : A)
???????? ???????? ???????????? a) Soil erosion(b ????b) Pollution of soil(c ????c) Water-logging(d ????d)None of the above
???????????? 111 ???? ????The ma jor reason f or floods in the rivers Ganges and Br ahmaputr a is ________ (Answer : B)
???????? ???????? ???????????? a) a) Dams in Himalayas ????b) b) Def orestation in Himalayas ????c) c) Heavy r ains ????d)d) Melting of ice
???????????? 112 ???? ????The method of r ainwater harvesting which can be adopted by individual house owners is (Answer : D)
???????? ???????? ???????????? a) Construction of recharge trenches (b ????b) On channel stor age of water (c ????c) Creation of new
water bodies (d ????d)Roof-top r ainwater harvesting
???????????? 113 ???? ????The percentage of total world?s precipitation, which is lost to the atmosphere through evapor ation,
approximates to: (Answer : A)
???????? ???????? ???????????? a) 57%(b ????b) 7%(c ????c) 37%(d ????d)43%
???????????? 114 ???? ????The process of restoring f orests that once existed but was removed at some time in the past is known
as (Answer : B)
???????? ???????? ???????????? a) Af f orestationb ????b) Ref orestationc ????c) Def orestationd ????d)None of these
???????????? 115 ???? ????The share of Hydropower (Hydel pro jects) in worlds commercial electricity production is less than ________
(Answer : D)
???????? ???????? ???????????? a) 2.00% ????b) 4.00% ????c) 12.00% ????d)20.00%
???????????? 116 ???? ????The species restricted to be present in one region are called (Answer : B)
???????? ???????? ???????????? a) Edge speciesb ????b) Endemic species c ????c) Endangered species d ????d)Keystone species
???????????? 117 ???? ????The teeth are likely to be pitted, more susceptible to cavities and wear, when the fluoride concentr ation
is: (Answer : D)
???????? ???????? ???????????? a) More than 2 mg/1 (b ????b) More than 40 mg/1 (c ????c) More than 20 mg/1 (d ????d)More than 4 mg/1
???????????? 118 ???? ????The term ?Environment? has been derived from the French word which means to encircle or surround
(Answer : A)
???????? ???????? ???????????? a) Environb ????b) Oikosc ????c) Geod ????d)Aqua
???????????? 119 ???? ????Wetlands in the flood plains of rivers are also considered as nature?s ________ (Answer : C)
???????? ???????? ???????????? a) a) Heat sink ????b) b) carbon sink ????c) c) flood control systems ????d)d) swimming pool
???????????? 120 ???? ????What are rodenticides? (Answer : C)
???????? ???????? ???????????? a) that kill fishes ????b) that kill insects ????c) that kill r ats ????d)that kill crocos
???????????? 121 ???? ????What is Kyoto Protocol? (Answer : A)
???????? ???????? ???????????? a) a. It is an agreement among countries to take steps f or reducing global warming. ????b) b. It is an
agreement among countries to take steps f or reducing acid r ain. ????c) c. It is an agreement among countries to take steps
f or planting trees to control pollution. ????d)d. It is an agreement among countries to start using nuclear energy.
???????????? 122 ???? ????What is the ma jor limiting f actor in the arid areas of our country? (Answer : C)
???????? ???????? ???????????? a) a) Money ????b) b) f orests ????c) c) water ????d)d) soil
???????????? 123 ???? ????What kind of people are the most ill-af f ected by the construction of dams? (Answer : D)
???????? ???????? ???????????? a) a) Urban dwellers ????b) b) beach dwellers ????c) c) tourists ????d)d) tribal people
???????????? 124 ???? ????When fluoride concentr ation in H2O exceeds about 1.5 mg/1, the disease that may be caused, is
(Answer : B)
???????? ???????? ???????????? a) Dental caries in children(b ????b) Fluorosis(c ????c) Polymyelitis(d ????d)Methemoglobinemia
???????????? 125 ???? ????Which among the f ollowing is a sedimentary type of cycle? (Answer : A)
???????? ???????? ???????????? a) Sulphur cycle(b ????b) Nitrogen cycle(c ????c) Oxygen cycle(d ????d)Carbon cycle
???????????? 126 ???? ????Which gas is responsible f or ozone layer depletion around earth? (Answer : B)
???????? ???????? ???????????? a) Carbon dioxideb ????b) Chlorofluorocarbonsc ????c) Oxygend ????d)Nitrogen oxide
???????????? 127 ???? ????Which gas is responsible f or the global warming? (Answer : B)
???????? ???????? ???????????? a) Nitrogenb ????b) Carbon dioxidec ????c) Noble gasesd ????d)Hydrogen
???????????? 128 ???? ????Which is a list of renewable resources? (Answer : D)
???????? ???????? ???????????? a) Petroleum, geothermal, wind b ????b) Biomass, geothermal, hydropower c ????c) Natur al gas, wind,
biomass d ????d)Hydropower, solar, wind energy
???????????? 129 ???? ????Which is the only country who has not r atified the Kyoto Protocol yet? (Answer : A)
???????? ???????? ???????????? a) United States ????b) Austr alia ????c) Japan ????d)India
???????????? 130 ???? ????Which of below items is the ma jor sector which extr acts most of fresh water available f or utilization?
(Answer : D)
???????? ???????? ???????????? a) domestic use ????b) drinking water ????c) bever age industry ????d)agriculture
???????????? 131 ???? ????Which of the f ollowing are consequences of ozone depletion (Answer : A)
???????? ???????? ???????????? a) Skin cancer and catar actb ????b) Reduced growth in plants c ????c) Shortening of zooplanktons and
their breeding period d ????d)All of the above
???????????? 132 ???? ????Which of the f ollowing are ma jor environmental issues involved in mining? (Answer : D)
???????? ???????? ???????????? a) air pollutionb ????b) water pollutionc ????c) soil degr adationd ????d)all of the above
???????????? 133 ???? ????Which of the f ollowing ef f ect is responsible f or Global Warming? (Answer : A)
???????? ???????? ???????????? a) Green house ef f ectb ????b) Radioactive ef f ectc ????c) Solar ef f ectd ????d)Nuclear ef f ect
???????????? 134 ???? ????Which of the f ollowing is management option f or air pollution? (Answer : D)
???????? ???????? ???????????? a) Regulations and standardsb ????b) Tr ansport planningc ????c) Using CNG as f ueld ????d)All of these
???????????? 135 ???? ????Which of the f ollowing is not a method f or water conservation? (Answer : B)
???????? ???????? ???????????? a) Rainwater harvesting(b ????b) Groundwater extr action (c ????c) Improving irrigation ef ficiency (d
????d)Avoiding water wastage
???????????? 136 ???? ????Which of the f ollowing is not a viable protection against def orestation? (Answer : C)
???????? ???????? ???????????? a) Reduce the consumption of f orest and related products (b ????b) Boycott products of companies
involve in def orestation (c ????c) Privatisation of f orest land (d ????d)Environmental education
???????????? 137 ???? ????Which of the f ollowing is not influenced by human activities? (Answer : D)
???????? ???????? ???????????? a) Destruction of mangroves and wetlands b ????b) Depletion of ground water c ????c) Increased
extinction r ate of species d ????d)None of the above
???????????? 138 ???? ????Which of the f ollowing is not true about def orestation? (Answer : C)
???????? ???????? ???????????? a) Population explosion is one of the reasons f or def orestation (b ????b) Cleaning of f orest f or
agriculture causes def orestation. (c ????c) Def orestation is taking place only in developing courtiers. (d ????d)Cash crop
economy of third world is a cause of def orestation.
???????????? 139 ???? ????Which of the f ollowing is responsible f or desertification? (Answer : D)
???????? ???????? ???????????? a) Def orestation(b ????b) Mining(c ????c) Overgr azing(d ????d)All of the above
???????????? 140 ???? ????Which of the f ollowing statements about the f orest is not correct? (Answer : D)
???????? ???????? ???????????? a) Forest reduces soil erosion (b ????b) Provides recreational opportunities (c ????c) Provides economic
development (d ????d)None of the above
???????????? 141 ???? ????Which of these is not a f ossil f uel? (Answer : D)
???????? ???????? ???????????? a) Coalb ????b) Oilc ????c) Natur al gasd ????d)Ur anium
???????????? 142 ???? ????Which one of the f ollowing is not an ideal solution f or tackling water shortages? (Answer : D)
???????? ???????? ???????????? a) Controlling population growth (b ????b) Conserving water in irrigation (c ????c) Controlling water
pollution (d ????d)Drilling large number of deep bore wells
???????????? 143 ???? ????Which one of the f ollowing regions in India is a hotspot of biodiversity? (Answer : B)
???????? ???????? ???????????? a) Sundarbansb ????b) Western Ghatsc ????c) Eastern Ghatsd ????d)Gangetic plains
???????????? 144 ???? ????World environment day is on: (Answer : B)
???????? ???????? ???????????? a) 5th Mayb ????b) 5th Junec ????c) 18th Julyd ????d)16th August
???????????? 145 ???? ????World Forest day is celebr ated on (Answer : A)
???????? ???????? ???????????? a) 21st March b ????b) 5th June c ????c) 1st Dec d ????d)7th June
???????????? 146 ???? ????Yellowing of Ta j Mahal is an ef f ect of (Answer : A)
???????? ???????? ???????????? a) Acid r ainb ????b) Global warmingc ????c) Ozone depletiond ????d)All of the above
???????????? 147 ???? ????Green Revolution in India was initiated by __________ (Answer : A)
???????? ???????? ???????????? a) M.S. Swaminathan ????b) Sunderlal Bahuguna ????c) Kurien ????d)Medha Patkar
???????????? 148 ???? ????Who wrote the book Violence of Green Revolution (Answer : A)
???????? ???????? ???????????? a) Vandana Siva ????b) Sheela Dikshit ????c) Menaka Gandhi ????d)Arundhathi Roy.
???????????? 149 ???? ????World Forest day is celebr ated on (Answer : A)
???????? ???????? ???????????? a) 21st March ????b) 5th June ????c) 1st Dec ????d)7th June
???????????? 150 ???? ????The Chipko movement is started by (Answer : B)
???????? ???????? ???????????? a) Engler ????b) Sunderlal Bahuguna ????c) Medha Padkar ????d)None of these
???????????? 151 ???? ????Green revolution is associated with _________ (Answer : B)
???????? ???????? ???????????? a) sericulture ????b) Agriculture ????c) Fish culture ????d)silviculture
???????????? 152 ???? ????Which gas is likely to be reduced in the atmosphere by def orestation? (Answer : C)
???????? ???????? ???????????? a) Carbon dioxide ????b) Nitrogen ????c) Oxygen ????d)Sulphur dioxide
???????????? 153 ???? ????Extensive planting of trees to increase f orest cover is called (Answer : A)
???????? ???????? ???????????? a) Af f orestation ????b) Agrof orestry ????c) Def orestation ????d)Social f orestry
???????????? 154 ???? ????Soil erosion can be prevented by (Answer : B)
???????? ???????? ???????????? a) Def orestation ????b) Af f orestation ????c) Overgr azing ????d)Removal of vegetation
???????????? 155 ???? ????The components of LPG are _____________ (Answer : B)
???????? ???????? ???????????? a) Methane & Hexane ????b) Propane & Butane ????c) Ethane & Methane ????d)Propane & Ethane
???????????? 156 ???? ????Which of the f ollowing is the most responsible f or world water crisis? (Answer : C)
???????? ???????? ???????????? a) Dams ????b) Floods ????c) Drought ????d)Population growth
???????????? 157 ???? ????The resources that can be replaced by natur al ecological cycle is called (Answer : A)
???????? ???????? ???????????? a) Renewable ????b) Non-renewable ????c) exhaustible ????d)natur al
???????????? 158 ???? ????The amount of solar r adiation reaching the surf ace of the earth is called (Answer : A)
???????? ???????? ???????????? a) Solar flux ????b) reflected light ????c) miner als ????d)solvents
???????????? 159 ???? ????The most harmf ul of ultr aviolet r adiations are (Answer : A)
???????? ???????? ???????????? a) UV-C ????b) UV-B ????c) UV-A ????d)All the above
???????????? 160 ???? ????A renewable source of energy is (Answer : D)
???????? ???????? ???????????? a) Petroleum ????b) Coal ????c) Nuclear f uel ????d)Trees
???????????? 161 ???? ????The capacity to do work is termed as (Answer : D)
???????? ???????? ???????????? a) Power ????b) Force ????c) Strength ????d)Energy
???????????? 162 ???? ????The unit of total water content of the soil is known as (Answer : A)
???????? ???????? ???????????? a) Holard ????b) Chr aserd ????c) Echard ????d)All of the above
???????????? 163 ???? ????Pedology? (Answer : C)
???????? ???????? ???????????? a) Study of water ????b) Study of air ????c) Study of soil ????d)none
???????????? 164 ???? ????What is def orestation? (Answer : B)
???????? ???????? ???????????? a) Product of f orest ????b) Destruction of f orest ????c) Forest Protection ????d)none
???????????? 165 ???? ????Def orestation gener ally decreases (Answer : D)
???????? ???????? ???????????? a) Global Warming ????b) Drought ????c) Soil erosion ????d)Rainf all
???????????? 166 ???? ????Which among the f ollowing result in the f ormation of soil? (Answer : B)
???????? ???????? ???????????? a) Radiation ????b) Weathering ????c) Erosion ????d)Pollution
???????????? 167 ???? ????Mulching helps in (Answer : B)
???????? ???????? ???????????? a) soil f ertility ????b) moisture conservation ????c) improvements soil structure ????d)soil sterility
???????????? 168 ???? ????........................ is an example of ?bottom f eeders?. (Answer : A)
???????? ???????? ???????????? a) Cat fish ????b) Frog ????c) Snake ????d)Tadpole ????e)
???????????? 169 ???? ????..................... trees shed their leaves during winter and hot summer. (Answer : C)
???????? ???????? ???????????? a) (a) ever green ????b) b) conif erous ????c) c) deciduous ????d)d) Shola
???????????? 170 ???? ????...................... is a cold desert in India (Answer : B)
???????? ???????? ???????????? a) Thar ????b) Ladakh ????c) Ran of Kutch ????d)Bhopal
???????????? 171 ???? ????A lake ecosystem f unctions as a (Answer : A)
???????? ???????? ???????????? a) Ter ai ????b) Shola gr asslands ????c) Semi arid plains ????d)Himalayan pastures
???????????? 172 ???? ????An example of nitrogen fixing bacteria in the soil (Answer : C)
???????? ???????? ???????????? a) Rhizobium ????b) Nostoc ????c) Azotobacter ????d)Nitrobacter
???????????? 173 ???? ????An example of one way ecological cycle is (Answer : C)
???????? ???????? ???????????? a) carbon dioxide cycle ????b) water cycle ????c) energy cycle ????d)oxygen cycle
???????????? 174 ???? ????Br ackish water ecosystems in river deltas are among (Answer : B)
???????? ???????? ???????????? a) Least productive ecosystems ????b) Most productive in terms of biomass production ????c) c)
Unproductive d) Stagnant ecosystems ????d)
???????????? 175 ???? ????Ecology is (Answer : C)
???????? ???????? ???????????? a) The science that studies the evolution of lif e, ????b) b) Integr ates both social and natur al sciences to
help us understand how the earth works, ????c) c) The study of the relationships between organisms and their
environment ????d)d) The study of the environment in the absence of humans
???????????? 176 ???? ????Forests grow in high r ain f all areas are (Answer : A)
???????? ???????? ???????????? a) (a) ever green f orests ????b) b) temper ate f orests ????c) c) conif ers ????d)d) Tundr a
???????????? 177 ???? ????Fungi is a (Answer : D)
???????? ???????? ???????????? a) Macroconsumer ????b) Producer ????c) Carnivore d ????d)Microconsumer
???????????? 178 ???? ????Nitrogen fixing blue green alga (Answer : C)
???????? ???????? ???????????? a) Clostridium ????b) Rhizobium ????c) Nostoc ????d)Nitrosomonas
???????????? 179 ???? ????Nitrogen gas returns to the atmosphere by the action of (Answer : B)
???????? ???????? ???????????? a) Nitrogen fixing bacteria ????b) Denitrif ying bacteria ????c) Nitrif ying bacteria ????d)Nitr ate f ertilizers
???????????? 180 ???? ????Patches of tall gr asslands interspersed with Sal f orest ecosystem is (Answer : A)
???????? ???????? ???????????? a) ????b) ????c) ????d)
???????????? 181 ???? ????Ramsar Convention ref ers to the conservation of ____________ (Answer : B)
???????? ???????? ???????????? a) (a) Deserts ????b) b) Wetlands ????c) c) Agriculture lands, ????d)d) Forest land
???????????? 182 ???? ????Some species whose removal can af f ect the survival of an ecosystem are called (Answer : B)
???????? ???????? ???????????? a) ????b) b) Keystone species ????c) c) Producers ????d)d) Carnivores
???????????? 183 ???? ????Sunderbans is home to (Answer : B)
???????? ???????? ???????????? a) Giant permanent pond ????b) Tempor ary aquatic system ????c) Simplest aquatic ecosystem ????d)Water
tank
???????????? 184 ???? ????The conversion of ammonia to nitr ate is known as ________ (Answer : B)
???????? ???????? ???????????? a) (a) ammonification ????b) b) nitrification ????c) c) denitrification ????d)d) all of these
???????????? 185 ???? ????The f orests which occur in law r ain f all area is (Answer : B)
???????? ???????? ???????????? a) (a) Evergreen f orests ????b) b) deciduous f orests ????c) c) Conif erous f orest ????d)d) All the above.
???????????? 186 ???? ????The inherent ability of organisms to reproduce and multiply is called, (Answer : B)
???????? ???????? ???????????? a) C value ????b) b) biotic potential ????c) c) carrying capacity ????d)d) K value
???????????? 187 ???? ????The largest br ackish water lake situated in Asia is in Orissa. Which is the lake? (Answer : A)
???????? ???????? ???????????? a) (a) Chilka lake ????b) b) Vembanad lake ????c) c) Woolar lake ????d)d) Dal lake
???????????? 188 ???? ????The Little Rann of Kutch is home to (Answer : D)
???????? ???????? ???????????? a) Horse ????b) b) Great Indian Bustard ????c) c) Lion ????d)d) Wild Ass
???????????? 189 ???? ????The presence of which is necessary f or photosynthesis (Answer : B)
???????? ???????? ???????????? a) (a) Chlorof orm ????b) b) Chlorophyll ????c) c) Phosphorus ????d)d) Polymer
???????????? 190 ???? ????The process through which ecosystems tend to change after a period of time is called (Answer : A)
???????? ???????? ???????????? a) ????b) ????c) ????d)
???????????? 191 ???? ????The species that flower are called (Answer : C)
???????? ???????? ???????????? a) (a) gymnosperms ????b) b) bryophytes ????c) c) angiosperms ????d)d) algae
???????????? 192 ???? ????The term ?Eco? implies (Answer : A)
???????? ???????? ???????????? a) Environment ????b) Ecotone ????c) Ecotourism ????d)Soil
???????????? 193 ???? ????The term ?Ecology? was coined by (Answer : B)
???????? ???????? ???????????? a) A.G.Tansley ????b) Earnst Haeckel ????c) Aristotle ????d)Linnaeus
???????????? 194 ???? ????The word Biophilia was coined by (Answer : D)
???????? ???????? ???????????? a) Dr. Hackel ????b) Dr.Johanssen ????c) Dr. Ben jamine ????d)E. O. Wilson
???????????? 195 ???? ????What is Dendrology? (Answer : C)
???????? ???????? ???????????? a) Study of Plants ????b) Study of Butterflies ????c) Study of Trees ????d)None of these
???????????? 196 ???? ????What is edge species? (Answer : A)
???????? ???????? ???????????? a) The species which occur abundantly in the ecotone ????b) b) Species on the verge of extinction ????c)
c) Rare species ????d)d) Endemic species
???????????? 197 ???? ????What is symbiosis? (Answer : C)
???????? ???????? ???????????? a) Study of distribution of related species ????b) b) Association between members of same species
????c) c) Association between members of two species ????d)d) None
???????????? 198 ???? ????When number of f ood chains is interlocked this is called (Answer : C)
???????? ???????? ???????????? a) f ood link ????b) f ood chain ????c) f ood web ????d)pyr amid
???????????? 199 ???? ????Which is an example f or sedimentary biogeochemical cycle (Answer : D)
???????? ???????? ???????????? a) Oxygen cycle ????b) Nitrogen cycle ????c) Water cycle ????d)Phosphorus cycle
???????????? 200 ???? ????Which is the second largest in species richness? (Answer : C)
???????? ???????? ???????????? a) Desert ????b) b) Tundr a ????c) c) Cor al reefs ????d)d) Flowing water
???????????? 201 ???? ????Gr assland of USA is ref erred to as (Answer : A)
???????? ???????? ???????????? a) Pr airies ????b) Steppes ????c) Pampas ????d)Veldts
???????????? 202 ???? ????The complex network of interconnected f ood chains is called ___________ (Answer : B)
???????? ???????? ???????????? a) Trophic level ????b) Food web ????c) Ecological pyr amid ????d)Ecology chain
???????????? 203 ???? ????The animal which consumes decaying organic matter is _________ (Answer : B)
???????? ???????? ???????????? a) Carnivore ????b) Detritivore ????c) Herbivore ????d)Producers
???????????? 204 ???? ????An ecosystem gr adually merges with an adjoining one through a tr ansitional zone is called the
______________ (Answer : C)
???????? ???????? ???????????? a) Ecological niche ????b) ecological f ootprint ????c) ecotone ????d)Shore ef f ect
???????????? 205 ???? ????The Primary Consumers are also called as (Answer : A)
???????? ???????? ???????????? a) Herbivores ????b) Carnivores ????c) Enzymes ????d)None of these
???????????? 206 ???? ????The f orests which occur in law r ain f all area is called (Answer : B)
???????? ???????? ???????????? a) Evergreen f orests ????b) deciduous f orests ????c) Conif erous f orest ????d)All the above
???????????? 207 ???? ????Favor able morphological and physiological response to a change in environment is called (Answer : D)
???????? ???????? ???????????? a) Preadaptation ????b) Ecotyping ????c) Formation of ecophenes ????d)Acclimatization
???????????? 208 ???? ????Plants adapted to open, sunny habitats are (Answer : B)
???????? ???????? ???????????? a) Sciophytes ????b) Heliophytes ????c) Mesophytes ????d)Epiphytes
???????????? 209 ???? ????Temper ate f orests occur in India in (Answer : B)
???????? ???????? ???????????? a) Indo-gangetic plains ????b) Himalayas ????c) Eastern India ????d)Southern peninsula
???????????? 210 ???? ????In India, tropical evergreen f orests occur in (Answer : C)
???????? ???????? ???????????? a) Himachal Pr adesh ????b) Madhya Pr adesh ????c) Assam ????d)Tamil Nadu
???????????? 211 ???? ????Which one is natures cleaner? (Answer : C)
???????? ???????? ???????????? a) Consumers ????b) Producers ????c) Decomposers and Scavengers ????d)Symbionts
???????????? 212 ???? ????The relationship between nitrogen fixing bacteria and leguminous plants is an example f or (Answer : C)
???????? ???????? ???????????? a) Par asitism ????b) Predation ????c) Mutualism ????d)Symbiosis
???????????? 213 ???? ????______ trees shed their leaves during winter and hot summer. (Answer : C)
???????? ???????? ???????????? a) Ever green ????b) Conif erous ????c) Deciduous ????d)Shola
???????????? 214 ???? ????Thorn f orests are f ound in the_______ regions (Answer : A)
???????? ???????? ???????????? a) Semi-arid ????b) High r ain f all areas ????c) Low temper ature ????d)Frozen areas
???????????? 215 ???? ????________ is a cold desert in India (Answer : B)
???????? ???????? ???????????? a) Thar ????b) Ladakh ????c) Ran of Kutch ????d)Bhopal
???????????? 216 ???? ????______ is an example of bottom f eeders (Answer : A)
???????? ???????? ???????????? a) Cat fish ????b) Frog ????c) Snake ????d)Tadpole
???????????? 217 ???? ????A Hawk that eats a frog is a (Answer : D)
???????? ???????? ???????????? a) Producer ????b) Primary Consumer ????c) Secondary Consumer ????d)Tertiary Consumer
???????????? 218 ???? ????An example of lotic system (Answer : B)
???????? ???????? ???????????? a) Pond ????b) River ????c) Lake ????d)Reservoir
???????????? 219 ???? ????Complex interlinked f ood chains are called (Answer : A)
???????? ???????? ???????????? a) Food Web ????b) Food net work ????c) Trophic levels ????d)Food pyr amid
???????????? 220 ???? ????Lotic ecosystem ref ers to (Answer : B)
???????? ???????? ???????????? a) Static water system ????b) Ecosystem of flowing water ????c) Ecosystem of estuaries ????d)Deep
marine water system
???????????? 221 ???? ????Autotrophs are ______________ (Answer : D)
???????? ???????? ???????????? a) Consumers ????b) Herbivores ????c) Saprophytes ????d)Producers
???????????? 222 ???? ????Organisms which depened on Producers f or nutrition are called (Answer : C)
???????? ???????? ???????????? a) Autotrophs ????b) Saprophytes ????c) Consumers ????d)Xerophytes
???????????? 223 ???? ????The source of atmospheric oxygen is (Answer : B)
???????? ???????? ???????????? a) Nitrogen cycle ????b) Green Plants ????c) Water ????d)Carbon Cycle
???????????? 224 ???? ????Plants which grow in shade are called (Answer : A)
???????? ???????? ???????????? a) Sciophytes ????b) Heliophytes ????c) Oxylophytes ????d)Epiphytes
???????????? 225 ???? ????Photosynthesis is f ound in (Answer : A)
???????? ???????? ???????????? a) Producers ????b) Decomposers ????c) Consumers ????d)Scavengers
???????????? 226 ???? ????Phytoplankton are (Answer : B)
???????? ???????? ???????????? a) Producers of f orest ????b) Producers of lakes ????c) Consumers of Ocean ????d)Omnivores
???????????? 227 ???? ????Gas released during photosynthesis is (Answer : C)
???????? ???????? ???????????? a) Methane ????b) Nitrogen ????c) Oxygen ????d)Carbon dioxide
???????????? 228 ???? ????The ma jor reservoir of carbon is (Answer : B)
???????? ???????? ???????????? a) The atmosphere ????b) Ocean Bed ????c) Plant and animals ????d)Rock
???????????? 229 ???? ????The simplest aquatic ecosystem can be seen in a (Answer : C)
???????? ???????? ???????????? a) River ????b) Lake ????c) Pond ????d)Water Tank
???????????? 230 ???? ????What is hibernation and aestivation? (Answer : A)
???????? ???????? ???????????? a) Thermal adaptation shown by animals ????b) wind adaptation shown by animals ????c) adaptation of
animals to escape from predators ????d)None
???????????? 231 ???? ????What is lentic habitat ? (Answer : B)
???????? ???????? ???????????? a) Running water habitat ????b) Standing or still water habitat ????c) Marine habitat ????d)None
???????????? 232 ???? ????What is lotic habitat? (Answer : C)
???????? ???????? ???????????? a) Standing or still water habitat ????b) Marine habitat ????c) Running water habitat ????d)Stagnant water
???????????? 233 ???? ????What is Plankton? (Answer : A)
???????? ???????? ???????????? a) Microscopic floating organisms ? Plants and animals. ????b) bottom dwelling aquatic organisms ????c)
Large plants in water ????d)None
???????????? 234 ???? ????What is Canopy? (Answer : A)
???????? ???????? ???????????? a) Uppermost level of the f orest ????b) Ground level of the f orest ????c) Soil in f orest ????d)Climbers on
trees
???????????? 235 ???? ????North American gr assland are called (Answer : B)
???????? ???????? ???????????? a) Pampas ????b) Pr airies ????c) Savannah ????d)None
???????????? 236 ???? ????African gr asslands are called (Answer : C)
???????? ???????? ???????????? a) Pr airies ????b) Pampas ????c) Savannah ????d)None
???????????? 237 ???? ????Green plants are absent in deep sea. Why? (Answer : A)
???????? ???????? ???????????? a) Light is absent ????b) High pressure ????c) low temper ature ????d)Great depth
???????????? 238 ???? ????What is desertification? (Answer : D)
???????? ???????? ???????????? a) Conversion of f orests into desert ????b) Conversion of croplands into desert ????c) Conversion of
gr assland into desert ????d)all of the above
???????????? 239 ???? ????The first trophic level in a f ood chain (Answer : A)
???????? ???????? ???????????? a) Green Plants ????b) Herbivores ????c) Carnivores ????d)Bacteria
???????????? 240 ???? ????Sulphur bacteria are examples of (Answer : D)
???????? ???????? ???????????? a) Carnivores ????b) Heterotrophs ????c) Saprophytes ????d)Autotrophs
???????????? 241 ???? ????Green Land biome (Answer : B)
???????? ???????? ???????????? a) Tundr a ????b) Pampas ????c) Taiga ????d)Thaar.
???????????? 242 ???? ????What is deep ecology? (Answer : A)
???????? ???????? ???????????? a) Protecting nature f or its own sake ????b) Ecology of deep sea ????c) Ecology of f orest ????d)Ecology of
caves
???????????? 243 ???? ????Cor al reefs in India can be seen in (Answer : B)
???????? ???????? ???????????? a) Himalayan region ????b) Andaman and Nicobar Islands ????c) Uttarpr adesh ????d)Mahar ashtr a
???????????? 244 ???? ????____________ is one of the most endangered species of Indian birds (Answer : D)
???????? ???????? ???????????? a) Bee eater ????b) Par adise fly catcher ????c) Owl ????d)The great Indian bustard
???????????? 245 ???? ????................. species is known as Azadir achta Indica (Answer : A)
???????? ???????? ???????????? a) Neem ????b) Mango ????c) Jackfruit ????d)Banana
???????????? 246 ???? ????.................... is a marine tortoise which shows the unique phenomenon ?arribada? (Answer : A)
???????? ???????? ???????????? a) Olive Ridley ????b) Star T ortoise ????c) Tr avancore T ortoise ????d)b & c
???????????? 247 ???? ????.................... tree is known as ?flame of the f orest?? (Answer : B)
???????? ???????? ???????????? a) Zizyphus ????b) Butea monosperma ????c) Jackfruit ????d)Pongamea
???????????? 248 ???? ????All are insitu conservation ef f orts except (Answer : C)
???????? ???????? ???????????? a) National parks ????b) Sanctuaries ????c) Zoo ????d)
???????????? 249 ???? ????Approximately, 50% of total world species are present on (Answer : A)
???????? ???????? ???????????? a) tropical r ain f orest ????b) temper ate r ain f orest ????c) temper ate deciduous f orest d ????d)cor al reefs
???????????? 250 ???? ????Bears are usually hunted and killed f or their (Answer : B)
???????? ???????? ???????????? a) Teeth ????b) Skin ????c) Gall bladder ????d)Nails
???????????? 251 ???? ????Biodiversity (Answer : A)
???????? ???????? ???????????? a) increases towards the equator ????b) decreases towards the equator ????c) remains same throughout
the planet d ????d)has no ef f ect on change in latitude
???????????? 252 ???? ????Black Buck is a (Answer : B)
???????? ???????? ???????????? a) Goat ????b) Deer ????c) Butterfly ????d)Bird
???????????? 253 ???? ????Blue whale is placed under (Answer : A)
???????? ???????? ???????????? a) endangered ????b) critically endangered ????c) r are ????d)d) extinct
???????????? 254 ???? ????Conservation within the natur al habitat is (Answer : A)
???????? ???????? ???????????? a) insitu conservation ????b) exsitu conservation ????c) invivo conservation ????d)d) exvivo conservation
???????????? 255 ???? ????Cor al reefs in India can be seen in (Answer : B)
???????? ???????? ???????????? a) Himalayan region ????b) Andaman and Nicobar Islands ????c) Uttarpr adesh ????d)Mahar ashtr a
???????????? 256 ???? ????Dodo is (Answer : D)
???????? ???????? ???????????? a) endangered ????b) b) critically endangered ????c) c) r are ????d)d) extinct
???????????? 257 ???? ????Endemic species are (Answer : B)
???????? ???????? ???????????? a) r are species ????b) b) species localised in a specific region ????c) c) cosmopolitan in distribution d)
critically endangered species ????d)
???????????? 258 ???? ????Ex situ conservation includes (Answer : D)
???????? ???????? ???????????? a) Zoo ????b) Botanic garden ????c) c) Germplasm bank ????d)d) all of the above
???????????? 259 ???? ????Gharial is a (Answer : A)
???????? ???????? ???????????? a) Crocodile ????b) b) Cobr a ????c) c) T ortoise ????d)d) Frog
???????????? 260 ???? ????Herpetology is a br anch of Science which deals with (Answer : C)
???????? ???????? ???????????? a) Aves ????b) Mammals ????c) Reptiles ????d)Fishes
???????????? 261 ???? ????Hot spots are regions of high (Answer : B)
???????? ???????? ???????????? a) r arity ????b) b) endemism ????c) c) critically endangered population d) diversity ????d)d) diversity
???????????? 262 ???? ????India is primary centre of domestication of (Answer : D)
???????? ???????? ???????????? a) Sheep ????b) Goat ????c) Water Buf f alo ????d)Elephants
???????????? 263 ???? ????IUCN (The International Union For Conservation Of Nature And Natur al Resources) headquarters is at
(Answer : A)
???????? ???????? ???????????? a) Morges, Switzerland ????b) Paris, Fr ance ????c) Vienna, Austria d ????d)NewYork, USA
???????????? 264 ???? ????IUCN is also called as (Answer : B)
???????? ???????? ???????????? a) Man and Biosphere progr am ????b) World Conservation Union ????c) World Conservation Consortium
d ????d)World Wide Conservation Union
???????????? 265 ???? ????Killing of animals disturbs (Answer : C)
???????? ???????? ???????????? a) Good f or eco system ????b) Good f or man ????c) The balance of nature ????d)None
???????????? 266 ???? ????MAB progr am stands f or (Answer : D)
???????? ???????? ???????????? a) Man and biotechnology ????b) Material and biology ????c) Man and Biology ????d)Man and Biosphere
???????????? 267 ???? ????Pangolins f eed on (Answer : A)
???????? ???????? ???????????? a) ants ????b) b) fruits ????c) c) leaves ????d)d) roots
???????????? 268 ???? ????Red data book contains data of (Answer : D)
???????? ???????? ???????????? a) all plant species ????b) all animal species ????c) economically important species ????d)threatened
species
???????????? 269 ???? ????Silent Spring is a well known book written by (Answer : C)
???????? ???????? ???????????? a) John Miller ????b) Charles Darwin ????c) Rachel Carson ????d)Aldoleopold
???????????? 270 ???? ????The drug morphine is extr acted from ............... plant (Answer : C)
???????? ???????? ???????????? a) Cocoa ????b) Belladonna ????c) Opium Poppy ????d)Tannin
???????????? 271 ???? ????The first global environmental protection treaty The Montreal Protocol was signed on Sept. 26. (Answer
: D)
???????? ???????? ???????????? a) 1985 ????b) 1990 ????c) 1981 ????d)1987
???????????? 272 ???? ????The most important reason f or decrease in biodiversity is (Answer : D)
???????? ???????? ???????????? a) habitat pollution ????b) introduction of exotic species ????c) overexploitation ????d)habitat destruction
???????????? 273 ???? ????The only ape f ound in India (Answer : C)
???????? ???????? ???????????? a) Gorilla ????b) Chimpanzee ????c) Hoolock gibbon ????d)Or anguttan
???????????? 274 ???? ????Which of the f ollowing is a biodiversity hot sport in India? (Answer : A)
???????? ???????? ???????????? a) Western Ghats ????b) Nandadevi ????c) Eastern Ghats ????d)Ar avalli
???????????? 275 ???? ????Which of the f ollowing region has maximum diversity? (Answer : D)
???????? ???????? ???????????? a) mangroves ????b) temper ate r ainf orest ????c) taiga d ????d)cor al reefs
???????????? 276 ???? ????Which plants die after flowering? (Answer : B)
???????? ???????? ???????????? a) Lotus ????b) Bamboo ????c) Chrysanthemum ????d)Butea
???????????? 277 ???? ????Which tree is known as Cor al tree? (Answer : C)
???????? ???????? ???????????? a) Quercus ????b) Dipterocarps ????c) Erythrina ????d)Zizypus
???????????? 278 ???? ????Salim Ali Centre f or Ornithology and Natur al history is located at ______ (Answer : D)
???????? ???????? ???????????? a) Pune ????b) Hyder abad ????c) Ker ala ????d)Coimbatore
???????????? 279 ???? ????World wildlif e week is observed during (Answer : A)
???????? ???????? ???????????? a) First week of October ????b) Last week of October ????c) Third week of October ????d)First week of
September
???????????? 280 ???? ????Zoological Survey of India is at (Answer : C)
???????? ???????? ???????????? a) Delhi ????b) Mumbai ????c) Kolkata ????d)Chennai
???????????? 281 ???? ????The Salim Ali Bird sanctuary is located at (Answer : B)
???????? ???????? ???????????? a) Pondicherry ????b) Thattekad ????c) Anakkatti ????d)Kalakkadj
???????????? 282 ???? ????Who among the f ollowing is commonly called ?Bird Man of India?? (Answer : A)
???????? ???????? ???????????? a) Salim Ali ????b) M.S. Swaminathan ????c) M.C. Mehta ????d)Raphel Emerson
???????????? 283 ???? ????The phenomenon of occurrence of additional species f ound in the ecotone or tr ansitional zone
between adjoining ecosystems is known as _________ (Answer : A)
???????? ???????? ???????????? a) Edge ef f ect ????b) Root ef f ect ????c) Raman ef f ect ????d)Coolidge ef f ect
???????????? 284 ???? ????A set of organisms that resemble one another in appear ance and behaviour is called a _____________
(Answer : C)
???????? ???????? ???????????? a) Exons ????b) Prions ????c) Species ????d)guilds
???????????? 285 ???? ????All the genes of a population is called (Answer : A)
???????? ???????? ???????????? a) gene pool ????b) Genome ????c) Gene bunch ????d)Gene population
???????????? 286 ???? ????The first protected area in India is ____________ (Answer : B)
???????? ???????? ???????????? a) Silent valley ????b) Corbett National Park ????c) Bandipur sanctuary ????d)Nagar-Hole
???????????? 287 ???? ????The Indian Parliament passed the Biodiversity Bill in the year_________ (Answer : C)
???????? ???????? ???????????? a) 2000 ????b) 2005 ????c) 2002 ????d)2007
???????????? 288 ???? ????The destruction of habitat of plants and animals is called (Answer : C)
???????? ???????? ???????????? a) Endemism ????b) Endangered species ????c) Habitat loss ????d)Flood
???????????? 289 ???? ????Zoos are examples f or (Answer : C)
???????? ???????? ???????????? a) In-situ conservation ????b) In-vivo conservation ????c) Ex-situ conservation ????d)Ex-vivo conservation
???????????? 290 ???? ????In which Indian state is Corbet National park located (Answer : B)
???????? ???????? ???????????? a) Madya Pr adesh ????b) Uttar akhand ????c) Ker ala ????d)Tamilnadu
???????????? 291 ???? ????The first national park of Ker ala (Answer : D)
???????? ???????? ???????????? a) Ar alam ????b) Kottayam ????c) Idukki ????d)Ir avikulam
???????????? 292 ???? ????In which year was Pro ject Tiger launched? (Answer : A)
???????? ???????? ???????????? a) 1973 ????b) 1964 ????c) 1998 ????d)1970
???????????? 293 ???? ????Earth summit of Rio de Janeiro (1992) resulted in (Answer : C)
???????? ???????? ???????????? a) Compilation of Red list ????b) Establishment of biosphere reserves ????c) Conservation of biodiversity
????d)IUCN
???????????? 294 ???? ????Lions are f ound in (Answer : D)
???????? ???????? ???????????? a) Western Ghats ????b) Corbett National Park ????c) Forests of Madhya Pr adesh ????d)Gir f orests
???????????? 295 ???? ????National Park associated with rhinoceros is (Answer : A)
???????? ???????? ???????????? a) Kazir anga ????b) Ranthambore ????c) Corbett ????d)Valley of flowers
???????????? 296 ???? ????Some species of plants and animals are extremely r are and may occur only at a f ew locations are called
(Answer : B)
???????? ???????? ???????????? a) Endemic ????b) Endangered ????c) Vulner able ????d)Threatened
???????????? 297 ???? ????The only known breeding colony of the greater and lesser Flamingos in our country is seen in
???????.. desert. (Answer : A)
???????? ???????? ???????????? a) The Great Rann of Kutch ????b) The Thar ????c) Ladakh ????d)Atacama
???????????? 298 ???? ????The one-horned Rhinoceros is now restricted to which state? (Answer : C)
???????? ???????? ???????????? a) Mahar ashtr a ????b) Gujar at ????c) Assam ????d)Uttar Pr adesh
???????????? 299 ???? ????Asiatic lion is f ound only in _____ (Answer : A)
???????? ???????? ???????????? a) Gir Forest ????b) Manas ????c) Kasir anga ????d)Sundarbans
???????????? 300 ???? ????________ is a marine tortoise which shows the unique phenomenon ???arribada??? (Answer : A)
???????? ???????? ???????????? a) Olive Ridley ????b) Star T ortoise ????c) Tr avancore T ortoise ????d)b & c
???????????? 301 ???? ????Largest reptile in the world (Answer : B)
???????? ???????? ???????????? a) Dr agon ????b) Anaconda ????c) Crocodile ????d)Python
???????????? 302 ???? ????Snow leopard is f ound in which National Park? (Answer : B)
???????? ???????? ???????????? a) Kazir anga ????b) The Great Himalayan ????c) Bhar atpur ????d)Nagarhole
???????????? 303 ???? ????Point Calimere sanctuary is situated in which state? (Answer : A)
???????? ???????? ???????????? a) Tamilnadu ????b) Ker ala ????c) Karnataka ????d)Gujar at
???????????? 304 ???? ????The movement Beej Bachao Andolan was aimed f or the conservation of ________ (Answer : C)
???????? ???????? ???????????? a) Trees ????b) Shrubs ????c) Crops ????d)Coconut
???????????? 305 ???? ????In which year Silent Valley was declared as National Park? (Answer : C)
???????? ???????? ???????????? a) 1988 ????b) 1982 ????c) 1984 ????d)1981
???????????? 306 ???? ????The Red Data book which lists endangered species is maintained by (Answer : C)
???????? ???????? ???????????? a) UNO ????b) WHO ????c) IUCN ????d)WWF
???????????? 307 ???? ????First Biosphere reserve in India (Answer : A)
???????? ???????? ???????????? a) Nilgiri ????b) Agastyamala ????c) Er avikulam ????d)Chinnar
???????????? 308 ???? ????Flag ship species of Choolannur sanctuary (Answer : B)
???????? ???????? ???????????? a) Tiger ????b) Peacock ????c) Elephant ????d)Rhino
???????????? 309 ???? ????Which of the f ollowing is an extinct species? (Answer : C)
???????? ???????? ???????????? a) Tiger ????b) Lion ????c) Dodo ????d)Ostrich
???????????? 310 ???? ????________ is one of the most endangered species of Indian birds (Answer : D)
???????? ???????? ???????????? a) Bee eater ????b) Par adise fly catcher ????c) Owl ????d)The great Indian bustard
???????????? 311 ???? ????Many wild plant and animals are on the verge of extinction due to (Answer : A)
???????? ???????? ???????????? a) Habitat destruction ????b) Climatic changes ????c) Non availability of f ood ????d)None of the above
???????????? 312 ???? ????The most endangered ecosystem in India (Answer : B)
???????? ???????? ???????????? a) Shola f orest ecosystem ????b) Evergreen f orest ecosystem ????c) Pond ecosystem ????d)Tundr a
Ecosystem
???????????? 313 ???? ????Er avikulam National Park conserves (Answer : D)
???????? ???????? ???????????? a) Lion tailed macaque ????b) Tiger ????c) Elephant ????d)Nilgiri Tahr
???????????? 314 ???? ????First National Park in India (Answer : A)
???????? ???????? ???????????? a) Jim Corbert National Park ????b) Bandipur National Park ????c) Gir National Park ????d)Sunderbans
National Park
???????????? 315 ???? ????Agastyamalai Biosphere reserve is in (Answer : B)
???????? ???????? ???????????? a) Pathanamthitta ????b) Thiruvananthapur am ????c) Idukki ????d)Wayanad
???????????? 316 ???? ????What is meant by ex-situ conservation? (Answer : C)
???????? ???????? ???????????? a) Conservation of a species by protecting its habitat along with all other species living there. ????b)
Conservation of f orest eco system ????c) Conservation of a species outside its natur al habitat ????d)Conservation of
plants
???????????? 317 ???? ????The state which constituted green bench (Answer : B)
???????? ???????? ???????????? a) Ker ala ????b) Tamilnadu ????c) Assam ????d)Madhya Pr adesh
???????????? 318 ???? ????Name the endangered animal which is protected in Ra jamalai National park (Answer : C)
???????? ???????? ???????????? a) Chital ????b) Black buck ????c) Nilgiri Tahr ????d)None
???????????? 319 ???? ????Animals and plants are best protected in (Answer : C)
???????? ???????? ???????????? a) Zoos ????b) Botanical Gardens ????c) National Parks ????d)Sanctuaries
???????????? 320 ???? ????Worlds first Teak Forest was planted in 1842 in Ker ala. Identif y the place. (Answer : B)
???????? ???????? ???????????? a) Wayanad ????b) Nilambur ????c) Silent Valley ????d)Nelliyampathy
???????????? 321 ???? ????The Native Place of Redwood trees? (Answer : C)
???????? ???????? ???????????? a) Austr alia ????b) Amazon ????c) Calif ornia ????d)Thailand
???????????? 322 ???? ????Centre of Modern nuclear technology in India (Answer : C)
???????? ???????? ???????????? a) CRAS ????b) SARC ????c) BARC ????d)None of these
???????????? 323 ???? ????What is an Inciner ator? (Answer : A)
???????? ???????? ???????????? a) Furnace used f or burning solid waste ????b) Furnace used f or treating liquid waste ????c) Both a & b
????d)None of these
???????????? 324 ???? ????Photochemical smog is called (Answer : B)
???????? ???????? ???????????? a) T okyo smog ????b) London smog ????c) Los Angeles smog ????d)None
???????????? 325 ???? ????The combustion of waste in the absence of Oxygen is called (Answer : B)
???????? ???????? ???????????? a) Haemolysis ????b) Pyrolysis ????c) Hydrolysis ????d)None
???????????? 326 ???? ????The heating of earths atmosphere due to tr apped r adiation is known as (Answer : D)
???????? ???????? ???????????? a) Global warming ????b) Glass-House ef f ect ????c) Thermal ef f ect ????d)Green House Ef f ect
???????????? 327 ???? ????Thickness of plastic cover permissible to use (Answer : C)
???????? ???????? ???????????? a) 50 Microns ????b) 20 Microns ????c) 100 Microns ????d)10 Microns
???????????? 328 ???? ????A biodegr adable plastic developed by Biopak Corpor ation Austr alia (Answer : A)
a) Biopol ????b) Pet ????c) Polyester ????d)PVC
???????????? 329 ???? ????The Residential and Commercial wastes mainly consist of: (Answer : A)
???????? ???????? ???????????? a) Food wastes ????b) Card board ????c) Packaging materials ????d)None of these
???????????? 330 ???? ????Lead in water can cause (Answer : C)
???????? ???????? ???????????? a) Eye disease ????b) Arthritis ????c) Kidney damage ????d)Hair f alling
???????????? 331 ???? ????Colorless odorless and non corrosive air pollutant is (Answer : C)
???????? ???????? ???????????? a) Sulphur dioxide ????b) Carbon monoxide ????c) Carbon dioxide ????d)Ozone
???????????? 332 ???? ????Disease aggr avated by air pollution is (Answer : C)
???????? ???????? ???????????? a) Choler a ????b) Rheumatism ????c) Bronchitis ????d)Haemophilia
???????????? 333 ???? ????Which of the f ollowing type of pollution can cause the outbreak of Jaundice (Answer : C)
???????? ???????? ???????????? a) Air ????b) Thermal ????c) Water ????d)Land
???????????? 334 ???? ?????Ozone Hole? is a _____________ (Answer : B)
???????? ???????? ???????????? a) Hole in the atmosphere b ????b) Destruction of ozone layer c ????c) Hole in the hydrosphere d ????d)Hole
in the troposphere
???????????? 335 ???? ?????Plumbism? is the disorder develops in man when exposed to..... (Answer : A)
???????? ???????? ???????????? a) a) Lead ????b) b) Mercury ????c) c) Arsenic ????d)d) CO
???????????? 336 ???? ????A pollutant not released by exhaust of automobiles is.... (Answer : C)
???????? ???????? ???????????? a) a) SO 2 ????b) b) CO ????c) c) Fly Ash ????d)d) Hydrocarbon gases
???????????? 337 ???? ????Acid r ain contains (Answer : A)
???????? ???????? ???????????? a) Sulphuric acid b ????b) Hydrochloric acid c ????c) Oxalic acid d ????d)Acetic acid
???????????? 338 ???? ????An example of natur al pollutant is (Answer : D)
???????? ???????? ???????????? a) a) Forest fire ????b) b) Natur al Organic Decay ????c) c) Volcanic eruptions ????d)d) All of the above
???????????? 339 ???? ????An example of non-biodegr adable pollutant is (Answer : B)
???????? ???????? ???????????? a) a) Sewage ????b) b) Plastic ????c) c) Litter ????d)d) Vegetable waste
???????????? 340 ???? ????Birth r ate is called (Answer : C)
???????? ???????? ???????????? a) mortality b ????b) vital index c ????c) natality d ????d)viability
???????????? 341 ???? ????Bishnoi women is connected to (Answer : B)
???????? ???????? ???????????? a) Hindi Film ????b) b) Chipko movement ????c) c) Climate change ????d)d) Women rights
???????????? 342 ???? ????BOD is used f or the measurement of .... (Answer : C)
???????? ???????? ???????????? a) a) Atmospheric pollution ????b) b) Soil pollution ????c) c) Water pollution ????d)d) Nuclear pollution
???????????? 343 ???? ????Causative organisms of Malaria (Answer : C)
???????? ???????? ???????????? a) Bacteria b ????b) Fungus c ????c) Plasmodium d ????d)Virus
???????????? 344 ???? ????Component not released in the burning coal is... (Answer : D)
???????? ???????? ???????????? a) a) NO 2 ????b) b) SO 2 ????c) c) Fly Ash ????d)d) O 2
???????????? 345 ???? ????Death r ate of the population (Answer : A)
???????? ???????? ???????????? a) Mortality b ????b) Viability c ????c) Natality d ????d)Vitality
???????????? 346 ???? ????Ear muf fs or Cotton plugs are used to reduce pollution of..... (Answer : B)
???????? ???????? ???????????? a) a) Air ????b) b) Noise ????c) c) Thermal ????d)d) Nuclear
???????????? 347 ???? ????EIA is the (Answer : C)
???????? ???????? ???????????? a) a) Economic Inf ormation Awareness ????b) b) Environmental Inf ormation Awareness ????c) c)
Environmental Impact Assessment ????d)d) Environmental Impact Avoidance
???????????? 348 ???? ????El Nino (Answer : A)
???????? ???????? ???????????? a) a) a climate cycle in the Pacific Ocean impacting global weather patterns ????b) b) Cold current in the
Atlantic influencing South American weather ????c) c) An annual underwater phenomenon af f ecting global weather
????d)d) A sub-sahar an hot wind af f ecting global climate.
???????????? 349 ???? ????Environmental Protection Act was introduced in the year (Answer : A)
???????? ???????? ???????????? a) 1986 b ????b) 1988 c ????c) 1972 d ????d)1989
???????????? 350 ???? ????Example f or a bio-degr adable polymer is (Answer : C)
???????? ???????? ???????????? a) Polyethylene b ????b) Polypropylene c ????c) Poly lactic acid d ????d)Polyester
???????????? 351 ???? ????Exposure of human body to r adiation may cause... (Answer : D)
???????? ???????? ???????????? a) a) Polio ????b) b) Gastroenteritis ????c) c) Haemophilia ????d)d) Leukemia
???????????? 352 ???? ????Increased heart beat, constriction of blood vessels and dilation of pupil are symptoms of.... (Answer :
A)
???????? ???????? ???????????? a) a) Sound pollution ????b) b) Thermal pollution ????c) c) Air pollution ????d)d) Nuclear pollution
???????????? 353 ???? ????India Government passed the Air act in the year (Answer : B)
???????? ???????? ???????????? a) a) 1991 ????b) b) 1981 ????c) c) 1982 ????d)d) 2001
???????????? 354 ???? ????Inf ection of HIV is usually detected by which test (Answer : A)
???????? ???????? ???????????? a) Elisa test b ????b) Hybridization c ????c) Gr am staining d ????d)None
???????????? 355 ???? ????IPCC (Answer : C)
???????? ???????? ???????????? a) a) International Panel on Climate Change ????b) b) International Peace Conf erence f or Climate ????c) c)
Intergovernmental Panel on Climate Change ????d)d) Intercontinental Plans f or Continuous
???????????? 356 ???? ????Largest source of air pollution in cities are .... (Answer : C)
???????? ???????? ???????????? a) a) Industries ????b) b) Sewage ????c) c) Automobiles ????d)d) Tanneries
???????????? 357 ???? ????Leader of ?Narmada Bachao Andolan? (Answer : B)
???????? ???????? ???????????? a) Vandana Siva b ????b) Medha Patkar c ????c) Menaka Gandhi d ????d)Mayilamma
???????????? 358 ???? ????Minamata disease is due to... (Answer : A)
???????? ???????? ???????????? a) a) Mercury poisoning ????b) b) Lead poisoning ????c) c) Arsenic poisoning ????d)d) Cadmium poisoning
???????????? 359 ???? ????Mullaperiyar dam is in the district? (Answer : C)
???????? ???????? ???????????? a) Thrissur b ????b) Pathanamthitta c ????c) Idukki d ????d)Alappuzha.
???????????? 360 ???? ????National Maritime Day of India is celebr ated on ______________ (Answer : B)
???????? ???????? ???????????? a) October 16 b ????b) April 05 c ????c) March 21 d ????d)May 22
???????????? 361 ???? ????Natur al earthquakes are caused by __________ (Answer : A)
???????? ???????? ???????????? a) Earth?s crust b ????b) deep seas c ????c) peak mountains d ????d)f orests
???????????? 362 ???? ????Noise is _______________ (Answer : C)
???????? ???????? ???????????? a) Huge sound b ????b) Sound of vehicles c ????c) Undesir able and unwanted sound d ????d)Sound of
cr ackers
???????????? 363 ???? ????Of ficial date of Earth Day is on _________ (Answer : A)
???????? ???????? ???????????? a) April 22 b ????b) March 21 c ????c) May 22 d ????d)June 05
???????????? 364 ???? ????On which date was the Stockholm Conf erence on Human Environment held? (Answer : C)
???????? ???????? ???????????? a) July 6th 1974 b ????b) Aug 8th 1976 c ????c) June 5th 1972 d ????d)Dec 12th 1990
???????????? 365 ???? ????One third of the global cases of Tuberculosis is in (Answer : C)
???????? ???????? ???????????? a) Britain b ????b) Sweden c ????c) India d ????d)China
???????????? 366 ???? ????Organ af f ected by pneumonia (Answer : D)
???????? ???????? ???????????? a) Liver b ????b) Kidney c ????c) Heart d ????d)Lungs.
???????????? 367 ???? ????Ozone (Answer : A)
???????? ???????? ???????????? a) a) strong poisonous f orm of Oxygen with 3 atoms in a molecule ????b) b) A mix of various gases
f orming a protective cover ????c) c) Purest f orm of Oxygen which increases its supply on earth ????d)d) a strong and
protective compound from Oxygen and Hydrogen
???????????? 368 ???? ????Ozone in lower atmosphere is an example of ... (Answer : B)
???????? ???????? ???????????? a) a) Primary pollutant ????b) b) Secondary pollutant ????c) c) Tertiary pollutant ????d)d) Not a pollutant
???????????? 369 ???? ????Ozone layer is (Answer : A)
???????? ???????? ???????????? a) A) 20 ? 50 km above the surf ace of the earth ????b) B) 70 to 90 kms above the earth ????c) C) 30 ? 40
kms below the earth ????d)D) 20 ? 50 kms below the sea level.
???????????? 370 ???? ????Ozone layer is situated in which str ata of artmosphere? (Answer : B)
???????? ???????? ???????????? a) Thermosphere ????b) (b) str atosphere ????c) (c) ionosphere ????d)(d) mesosphere
???????????? 371 ???? ????Poisonous gas caused Bhopal gas tr agedy (Answer : A)
???????? ???????? ???????????? a) Methyl isocyanate ????b) (b) Ethyl isocyante ????c) (c) Methyl isocyanide ????d)(d) Ethyl isocyamide
???????????? 372 ???? ????Presence of E. coli in water is an indication of (Answer : A)
???????? ???????? ???????????? a) Fecal contamination (b ????b) Lead contamination (c ????c) Vir al contamination (d ????d)Mercury
contamination
???????????? 373 ???? ????Public awareness of environment creates ___________ (Answer : A)
???????? ???????? ???????????? a) Environment protection b ????b) Environment degr adation c ????c) Environmental improvement d
????d)Environmental cultivation
???????????? 374 ???? ????Public Health is not dependent on (Answer : C)
???????? ???????? ???????????? a) a) saf e drinking water ????b) b) suf ficient f ood ????c) c) competitive market conditions ????d)d) good
social conditions
???????????? 375 ???? ????Rain water harvesting is a ma jor method implemented f or_____________ (Answer : A)
???????? ???????? ???????????? a) Water Conservation b ????b) Soil Conservation c ????c) Forest conservation d ????d)Ecological
conservation
???????????? 376 ???? ????Salmonellosis is a disease related to consumption of (Answer : D)
???????? ???????? ???????????? a) Chicken b ????b) Eggs c ????c) Mutton d ????d)Fish
???????????? 377 ???? ????Soil pollution is caused by.... (Answer : D)
???????? ???????? ???????????? a) a) Industrial wastes ????b) b) Detergents ????c) c) Agrochemicals ????d)d) All of these
???????????? 378 ???? ????Some pollutants combine with hemoglobin and impede oxygen tr ansport. Such pollutants are...
(Answer : C)
???????? ???????? ???????????? a) a) SO 3 ????b) b) N2 O ????c) c) CO ????d)d) All of these
???????????? 379 ???? ????Spr aying of DDT to kill insects causes pollution of..... (Answer : D)
???????? ???????? ???????????? a) a) Air ????b) b) Water ????c) c) Soil ????d)d) All of these
???????????? 380 ???? ????Superbugs are (Answer : B)
???????? ???????? ???????????? a) Synthetic bug b ????b) Bacteria c ????c) Radio nucleotide d ????d)Industries
???????????? 381 ???? ????The 3 R principle in waste management involves (Answer : B)
???????? ???????? ???????????? a) Reduce, Regain, Reuse b ????b) Reduce, Reuse, Recycle c ????c) Reduce, Ref orm, Reset d ????d)Reduce,
Retain, Regain
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???????????? 12 ???? ????World Environment Day (Answer : A)
???????? ???????? ???????????? a) 5th June ????b) 5th July ????c) 5th August ????d)5th September
???????????? 13 ???? ????The biggest award f or environmental activities in India is given in the name of an individual. In whose
name is it constituted? (Answer : C)
???????? ???????? ???????????? a) Lal Bahadur Shasthri ????b) Mor ar ji Desai ????c) Indir a Gandhi ????d)Kamar a j.
???????????? 14 ???? ????All f orms of water that comes down on Earth, including r ain, snow, hail etc. is known as _____________
(Answer : C)
???????? ???????? ???????????? a) Calcification ????b) Fixation ????c) Precipitation ????d)Accumulation
???????????? 15 ???? ????The ocean covers ________ percentage of Earth?s surf ace. (Answer : C)
???????? ???????? ???????????? a) 515 ????b) 0.61 ????c) 0.71 ????d)0.91
???????????? 16 ???? ????The portion of the earth and its environment which can support lif e is known as _________ (Answer : B)
???????? ???????? ???????????? a) Crust ????b) Biosphere ????c) Exosphere ????d)Atmosphere
???????????? 17 ???? ????What is troposphere? (Answer : C)
???????? ???????? ???????????? a) Portion of air ????b) Portion of water ????c) Lowest layer of atmosphere where we survive
????d)Portion of sky
???????????? 18 ???? ????The main energy source f or the environment is ________ (Answer : A)
???????? ???????? ???????????? a) Solar energy ????b) Chemical energy ????c) Bioelectric energy ????d)Electrical energy
???????????? 19 ???? ????What is UNCED? (Answer : C)
???????? ???????? ???????????? a) United Nations Conf erence on Education ????b) United Nations Conf erence on Environmental Day
????c) United Nations Conf erence on Environment and Development ????d)None of these.
???????????? 20 ???? ????Atmospheric humidity is measured by (Answer : C)
???????? ???????? ???????????? a) Auxanometer ????b) Photometer ????c) Hygrometer ????d)None
???????????? 21 ???? ????The area to which a species is biologically adapted to live is known (Answer : B)
???????? ???????? ???????????? a) Niche ????b) Habitat ????c) Succession ????d)Community
???????????? 22 ???? ????Study of inter-relationship between organisms and their environment is called (Answer : A)
???????? ???????? ???????????? a) Ecology ????b) Ecosystem ????c) Phytogeogr aphy ????d)Ethology
???????????? 23 ???? ????The term Ecology was coined by (Answer : B)
???????? ???????? ???????????? a) A.G.Tansley ????b) Earnst Haeckel ????c) Aristotle ????d)Linnaeus
???????????? 24 ???? ????An example of an abiotic component (Answer : B)
???????? ???????? ???????????? a) Plants ????b) Soil ????c) Animals ????d)Bacteria
???????????? 25 ???? ????The area to which a species is biologically adapted to live is known (Answer : B)
???????? ???????? ???????????? a) Niche ????b) Habitat ????c) Succession ????d)Community
???????????? 26 ???? ????The objective of environmental education is (Answer : D)
???????? ???????? ???????????? a) Raise consciousness about environmental education ????b) T o teach environmentally appropriate
behaviour ????c) Create an environmental ethic that f osters awareness about ecological inter-dependence of economics,
social and political ????d)All of the above
???????????? 27 ???? ????Which of the f ollowing is not influenced by human activities? (Answer : A)
???????? ???????? ???????????? a) Depletion of ground water ????b) Destruction of mangroves and wetlands ????c) Increased extinction
r ate of species ????d)None of the above
???????????? 28 ???? ????Environmental education is important only at (Answer : D)
???????? ???????? ???????????? a) Primary school stage ????b) Secondary school stage ????c) Collage stage ????d)All stages
???????????? 29 ???? ????Which of the f ollowing conceptual components of the environment are ef f ective tr ansporters of
matter? (Answer : A)
???????? ???????? ???????????? a) Atmosphere and hydrosphere ????b) (b) Atmosphere and lithosphere ????c) (c) Hydrosphere and
lithosphere ????d)(d) Lithosphere and biosphere
???????????? 30 ???? ????Biosphere is (Answer : B)
???????? ???????? ???????????? a) (a) The solid shell of inorganic materials on the surf ace of the Earth ????b) (b) The thin shell of
organic matter on the surf ace of earth comprising of all the living things ????c) (c) The sphere which occupies the
maximum volume of all the spheres ????d)(d) All of the above
???????????? 31 ???? ????Which of the f ollowing conceptual sphere of the environment is having the least stor age capacity f or
matter? (Answer : A)
???????? ???????? ???????????? a) (a) Atmosphere ????b) (b) Lithosphere ????c) (c) Hydrosphere ????d)(d) Biosphere
???????????? 32 ???? ????Which of the f ollowing is an example of impact of development activities on the Hydrosphere? (Answer
: D)
???????? ???????? ???????????? a) (a) Air pollution ????b) (b) Soil pollution ????c) (c) Soil erosion ????d)(d) Water pollution
???????????? 33 ???? ????Weather occurs in the Earths: (Answer : A)
???????? ???????? ???????????? a) (a) Troposhere ????b) (b) Mesophere ????c) (c) Ionosphere ????d)(d) Thermosphere
???????????? 34 ???? ????Biosphere is a term used to represent the: (Answer : C)
???????? ???????? ???????????? a) (a) Entire atmosphere consisting of troposphere, str atosphere, mesosphere, and thermosphere
????b) (b) Entire hydrosphere-representing the entire collection of water over the Earth as well as inside the Earth ????c) (c)
A small zone of Earth, where the lithosphere, hydrosphere, and atmosphere come in contact with one another ????d)(d)
Entire lithosphere-representing the solid Earth and its interior
???????????? 35 ???? ????The term ecology was introduced by: (Answer : A)
???????? ???????? ???????????? a) (a) Haeckel ????b) (b) Odum ????c) (c) Tansely ????d)(d) Ramdeo Mishr a
???????????? 36 ???? ????The study of inter actions between living and non-living organisms and environment is called (Answer :
B)
???????? ???????? ???????????? a) (a) Ecosystem ????b) (b) Ecology ????c) (c) Phyto-geogr aphy ????d)(d) Phytosociology
???????????? 37 ???? ????An ecosystem consist of (Answer : D)
???????? ???????? ???????????? a) (a) Green plants and animals ????b) (b) Green plants and decomposers ????c) (c) Producers and
consumers ????d)(d) Green plants, animals, decomposers and abiotic environment
???????????? 38 ???? ????The environment which has been modified by human activities is called (Answer : B)
???????? ???????? ???????????? a) (a) Natur al environment ????b) (b) Anthropogenic environment ????c) (c) Modem environment ????d)(d)
Urban environment
???????????? 39 ???? ????Which of the f ollowing statements is not true? (Answer : C)
???????? ???????? ???????????? a) (a) Inorganic nutrients are recycled in an ecosystem ????b) (b) Energy flows through the ecosystem
in the f orm of C-C bonds ????c) (c) Energy is recycled in an ecosystem ????d)(d) Respir ation process releases energy
???????????? 40 ???? ????Driving f orce in an ecosystem is (Answer : C)
???????? ???????? ???????????? a) (a) Plants ????b) (b) Producers ????c) (c) Solar energy ????d)(d) Biomass energy
???????????? 41 ???? ????Physical and chemical components of an ecosystem constitute (Answer : C)
???????? ???????? ???????????? a) (a) Biotic structure ????b) (b) Abioltic structure ????c) (c) Both of these ????d)(d) None of these
???????????? 42 ???? ????Which one of the f ollowing is an abiotic component of the ecosystem? (Answer : C)
???????? ???????? ???????????? a) (a) Bacteria ????b) (b) Plants ????c) (c) Humus ????d)(d) Fungi
???????????? 43 ???? ????Which of the f ollowing is a possible producer in an ecosystem? (Answer : A)
???????? ???????? ???????????? a) (a) Plants ????b) (b) Animals ????c) (c) Human beings ????d)(d) Fish
???????????? 44 ???? ????The organisms which f eed on dead organisms and excreta of living organisms are known (Answer : A)
???????? ???????? ???????????? a) (a) Decomposers ????b) (b) Consumers ????c) (c) Producers ????d)(d) Carnivores
???????????? 45 ???? ????A trophic level ref ers to: (Answer : C)
???????? ???????? ???????????? a) (a) Area in the tropics ????b) (b) An organism?s portion in a f ood chain ????c) (c) An organism?s
position in an ecosystem ????d)(d) An organism?s position in a biome
???????????? 46 ???? ????In a f ood chain animals constitute the: (Answer : C)
???????? ???????? ???????????? a) (a) First trophic level ????b) (b) Second trophic level ????c) (c) Intermediate trophic level ????d)(d)
Ultimate trophic level
???????????? 47 ???? ????The f ood chain in which microorganisms breakdown dead producers is called: (Answer : D)
???????? ???????? ???????????? a) (a) Consumer f ood chain ????b) (b) Predator f ood chain ????c) (c) Par asitic f ood chain ????d)(d) Detritus
f ood chain
???????????? 48 ???? ????Food chain starts with (Answer : A)
???????? ???????? ???????????? a) (a) Producer ????b) (b) Herbivores ????c) (c) Carnivores ????d)(d) Omnivores
???????????? 49 ???? ????In a f ood chain, humans are (Answer : D)
???????? ???????? ???????????? a) (a) Secondary consumers ????b) (b) Primary consumer ????c) (c) Producers ????d)(d) Primary and
secondary consumers both
???????????? 50 ???? ????Which one is the correct f ood chain? (Answer : A)
???????? ???????? ???????????? a) (a) Phytoplankton ?? Zooplankton ?? Fish ????b) (b) Zooplankton ?? Phytoplankton ?? Fish ????c)
(c) Zooplankton ?? Protozoans ?? Fish ????d)(d) Gr ass ?? Fish ?? Zooplankton
???????????? 51 ???? ????A f ood web consists of (Answer : A)
???????? ???????? ???????????? a) (a) Interlocking f ood chains ????b) (b) Producers, consumers and decomposers ????c) (c) A portion of
a f ood chain ????d)(d) A set of similar consumers
???????????? 52 ???? ????Food webs are (Answer : C)
???????? ???????? ???????????? a) (a) One kind of f ood ????b) (b) Not related to f ood chains at all ????c) (c) Inter-connected arr angement
of f ood chains ????d)(d) Linear arr angement of f ood chains
???????????? 53 ???? ????Pyr amid of number is given by (Answer : C)
???????? ???????? ???????????? a) (a) Haeckel ????b) (b) Odum ????c) (c) Elton ????d)(d) Tansely
???????????? 54 ???? ????Which ecological pyr amid is always upright? (Answer : C)
???????? ???????? ???????????? a) (a) Pyr amid of number ????b) (b) Pyr amid of biomass ????c) (c) Pyr amid of energy ????d)(d) Pyr amid of
number and biomass
???????????? 55 ???? ????An ecological pyr amid ref ers to the (Answer : D)
???????? ???????? ???????????? a) (a) Pyr amid of energy ????b) (b) Pyr amid of number ????c) (c) Pyr amid of biomass ????d)(d) All of the
above
???????????? 56 ???? ????An ecosystem may not undergo changes because: (Answer : A)
???????? ???????? ???????????? a) (a) It is in a state of homeostasis ????b) (b) It has plants and animals both ????c) (c) It gets solar
energy continuously ????d)(d) The decomposers are present in it
???????????? 57 ???? ????Energy flow in an ecosystem is always: (Answer : A)
???????? ???????? ???????????? a) (a) Unidirectional ????b) (b) Cyclic ????c) (c) Reversible ????d)(d) Multi-directional
???????????? 58 ???? ????The primary producers in a f orest ecosystem are: (Answer : A)
???????? ???????? ???????????? a) (a) Chlorophyll containing trees and plants ????b) (b) Herbivores ????c) (c) Carnivores ????d)(d) Bacteria
and other micro-organism
???????????? 59 ???? ????The desert among the f ollowing which is not a cold desert is: (Answer : D)
???????? ???????? ???????????? a) (a) Golbi desert ????b) (b) Patagonian desert ????c) (c) Atacama desert ????d)(d) Ma java desert
???????????? 60 ???? ????The darker zone in lakes where light penetr ation is negligible is called the: (Answer : D)
???????? ???????? ???????????? a) (a) Euphotic zone ????b) (b) Littor al zone ????c) (c) Limnetic zone ????d)(d) Benthic zone
???????????? 61 ???? ????The zone of a sea lying over the continental shelf is known as the: (Answer : B)
???????? ???????? ???????????? a) (a) Bathyl zone ????b) (b) Neritic zone ????c) (c) Abyssal zone ????d)(d) Littor al zone
???????????? 62 ???? ????Which one of the f ollowing is not a fresh water biome? (Answer : A)
???????? ???????? ???????????? a) (a) Lotic ????b) (b) Lentic ????c) (c) Spings ????d)(d) Deep sea
???????????? 63 ???? ????Tendency of pollutants to become concentr ated in successive trophic levels is known as: (Answer : A)
???????? ???????? ???????????? a) (a) Biomagnification ????b) (b) Biorhythm ????c) (c) Bioremediation ????d)(d) Biopir acy
???????????? 64 ???? ????Eutrophication is: (Answer : B)
???????? ???????? ???????????? a) (a) An improved water quality status of lakes ????b) (b) The result of accumulation of plant nutrients
in water bodies ????c) (c) A process in the carbon cycle ????d)(d) A water purification technique
???????????? 65 ???? ????Increase in f auna and decrease in flor a would be harmf ul due to increase in: (Answer : B)
???????? ???????? ???????????? a) (a) Diseases ????b) (b) CO ????c) (c) O2 ????d)(d) Radioactive pollution
???????????? 66 ???? ????The largest reservoir of nitrogen an our planet is: (Answer : B)
???????? ???????? ???????????? a) (a) Ocean ????b) (b) Atmosphere ????c) (c) Biosphere ????d)(d) Fossil f uels
???????????? 67 ???? ????Overgr azing results in: (Answer : A)
???????? ???????? ???????????? a) (a) Soil erosion ????b) (b) Retention of usef ul species ????c) (c) Productive soils ????d)(d) All of the
above
???????????? 68 ???? ????In the world, the economy of the India is: (Answer : D)
???????? ???????? ???????????? a) (a) Largest ????b) (b) Third largest ????c) (c) Second largest ????d)(d) Fourth largest
???????????? 69 ???? ????In services output, India is: (Answer : C)
???????? ???????? ???????????? a) 10 ????b) 12 ????c) 15 ????d)4
???????????? 70 ???? ?????Smog? is a mixture of (Answer : A)
???????? ???????? ???????????? a) a) Smoke and Fog ????b) (b) Snow and Fog ????c) ( c) Snow and Dust ????d)(d) Sulphur Dioxide and
Fog
???????????? 71 ???? ????A liquid f uel that was f ormed from the ancient remains of sea plants and animals is (Answer : B)
???????? ???????? ???????????? a) Natur al gasb ????b) Petroleumc ????c) Geothermal energyd ????d)Coal
???????????? 72 ???? ????A poisonous gas given out of vehicles exhaust is (Answer : A)
a) Carbon monoxideb ????b) Ethanec ????c) Methaned ????d)Carbon dioxide
???????????? 73 ???? ????A product of photosynthesis is (Answer : C)
???????? ???????? ???????????? a) Carbon dioxideb ????b) Waterc ????c) Oxygend ????d)Chlorophyll
???????????? 74 ???? ????Atmosphere consists of 79 percent Nitrogen and 21 percent Oxygen by (Answer : B)
???????? ???????? ???????????? a) Volumeb ????b) Weightc ????c) Densityd ????d)All of these
???????????? 75 ???? ????Biogas contains mainly (Answer : B)
???????? ???????? ???????????? a) Carbon dioxideb ????b) Methanec ????c) Butaned ????d)Propane
???????????? 76 ???? ????Carbon dioxide constitutes about 0.03% of the atmosphere (Answer : A)
???????? ???????? ???????????? a) By volume(b ????b) By weight(c ????c) By mass(d ????d)None of these
???????????? 77 ???? ????Development activities on the hydrosphere cause (Answer : C)
???????? ???????? ???????????? a) Air pollutionb ????b) Soil pollutionc ????c) Water pollutiond ????d)Soil erosion
???????????? 78 ???? ????Energy flow in an ecosystem is (Answer : C)
???????? ???????? ???????????? a) Bidirectionalb ????b) Unidirectionalc ????c) Multidirectionald ????d)All rounds
???????????? 79 ???? ????Energy from the heat inside the earth is (Answer : B)
???????? ???????? ???????????? a) a Natur al gas ????b) Geothermalc ????c) Petroleumd ????d)Terr athermal
???????????? 80 ???? ????Energy in the r ays from the sun is called (Answer : A)
???????? ???????? ???????????? a) Solar energyb ????b) Wind energyc ????c) Tidal energyd ????d)Water energy
???????????? 81 ???? ????Environment is the lif e support system that includes (Answer : D)
???????? ???????? ???????????? a) Airb ????b) Waterc ????c) Landd ????d)All of the above
???????????? 82 ???? ????Extensive planting of trees to increase cover is called (Answer : A)
???????? ???????? ???????????? a) Af f orestation(b ????b) Agrof orestation(c ????c) Def orestation(d ????d)Social f orestry
???????????? 83 ???? ????Extensive planting of trees to increase f orest cover is called (Answer : A)
???????? ???????? ???????????? a) Af f orestation, b ????b) Agrof orestry, c ????c) Def orestation, d ????d)Social f orestry
???????????? 84 ???? ????Forest and wild lif e are (Answer : A)
???????? ???????? ???????????? a) Renewable resource(b ????b) Non-renewable resources (c ????c) Inexhaustible resources (d ????d)None
of these
???????????? 85 ???? ????Forests prevent soil erosion by binding soil particles in their (Answer : B)
???????? ???????? ???????????? a) Leaves(b ????b) Roots(c ????c) Buds(d ????d)Stems
???????????? 86 ???? ????Formation of hole in Ozone is maximum over (Answer : C)
???????? ???????? ???????????? a) Indiab ????b) Europec ????c) Antarcticad ????d)Africa
???????????? 87 ???? ????Fossil f uel and metallic miner als are: (Answer : C)
???????? ???????? ???????????? a) Renewable resource (b ????b) Inexhaustible resources (c ????c) Non-renewable resources (d ????d)None
of these
???????????? 88 ???? ????Green house ef f ect is linked to (Answer : C)
???????? ???????? ???????????? a) Nitrogen oxidesb ????b) Sulphur dioxidesc ????c) Carbon dioxidesd ????d)Carbon monoxides
???????????? 89 ???? ????In our country the percentage of land under f orest is about: (Answer : B)
???????? ???????? ???????????? a) 20%(b ????b) 19%(c ????c) 25%(d ????d)30%
???????????? 90 ???? ????In respect of water crisis, there have been conflicts/disputes between two countries, or states of the
same country. Which of the f ollowing has never been the case of water conflict? (Answer : D)
???????? ???????? ???????????? a) Cauvery water dispute between Tamil Nadu and Karnataka (b ????b) Yamuna-Betwa dispute between
U.P. and M.P. (c ????c) Sutlej Yamuna Link (SYL ????d)canal dispute between Pun jab and Haryana (d
???????????? 91 ???? ????Instrumentation technology used to locate suitable places f or mining (Answer : C)
???????? ???????? ???????????? a) a) Microscope ????b) b) Salinometer ????c) c) GIS ????d)d) camer a tr ap
???????????? 92 ???? ????Kaveri water dispute is in between: (Answer : D)
???????? ???????? ???????????? a) India and Pakistan (b ????b) Pun jab and Haryana (c ????c) Uttar Pr adesh and Madhya Pr adesh (d
????d)Karnataka and Tamil Nadu
???????????? 93 ???? ????Khetri (Ra jasthan) is f amous f or: (Answer : B)
???????? ???????? ???????????? a) Coal mines(b ????b) Copper mines(c ????c) Gr anite stone(d ????d)Marble stone
???????????? 94 ???? ????Main source of acid r ain is (Answer : A)
???????? ???????? ???????????? a) Sulphur dioxideb ????b) Nitrogenc ????c) Carbon dioxided ????d)Carbon monoxide
???????????? 95 ???? ????Ma jor consumer of wood from f orest is ___________ (Answer : B)
???????? ???????? ???????????? a) Thermal Power Plant ????b) Paper Industry ????c) Chemistry Industry ????d)none
???????????? 96 ???? ????Moisture in the air is known as (Answer : D)
???????? ???????? ???????????? a) a) Water ????b) (b) Fog ????c) ( c) Snow ????d)(d) Humidity
???????????? 97 ???? ????Name the country which virtually closed cod fishery in the 1990?s due to depletion of fish reserves
(Answer : A)
???????? ???????? ???????????? a) a) Canada ????b) b) Argentina ????c) c) Italy ????d)d) India
???????????? 98 ???? ????Name the financial agency which hesistate to support the Sardar Sarovar Pro ject in India in 1993 a result
of the demands of local people threatened with the loss of their livelihoods and homes in the submergence area.
(Answer : B)
???????? ???????? ???????????? a) a) Swiss bank ????b) b) World Bank ????c) c) Bank of India ????d)d) International Monetary Fund
???????????? 99 ???? ????Nitrogen constitutes about 78% of the atmosphere (Answer : C)
???????? ???????? ???????????? a) By weight(b ????b) By mass(c ????c) By volume(d ????d)None of these
???????????? 100 ???? ????Noise is measured by sound meter and the unit is (Answer : C)
???????? ???????? ???????????? a) Hertzb ????b) Joulec ????c) Decibeld ????d)Seconds
???????????? 101 ???? ????One of India?s serious environmental problems is f orest degr adation. What is the main cause of f orest
degr adation? (Answer : A)
???????? ???????? ???????????? a) timber extr action ????b) honey extr action ????c) high altitude ????d)Low Rainf all
???????????? 102 ???? ????Ozone day is observed on (Answer : B)
???????? ???????? ???????????? a) 3rd Januaryb ????b) 16th Septemberc ????c) 10th Novemberd ????d)26th March
???????????? 103 ???? ????Ozone Umbrella is located in which layer of atmosphere (Answer : B)
???????? ???????? ???????????? a) a) Troposphere ????b) (b) Str atosphere ????c) (c) Mesosphere ????d)(d) Ionosphere
???????????? 104 ???? ????Peeling of Ozone umbrella, which protects us from UV r ays, is caused by (Answer : B)
???????? ???????? ???????????? a) Carbon monoxideb ????b) CFCsc ????c) Coal burningd ????d)Methane
???????????? 105 ???? ????Soil erosion removes surf ace soil which contains (Answer : A)
???????? ???????? ???????????? a) Organic matterb ????b) Plant nutrientsc ????c) Both a and bd ????d)none of the above
???????????? 106 ???? ????Sustainable development means (Answer : C)
???????? ???????? ???????????? a) a. meeting present needs without compromising on f uture needs ????b) b. progress of human beings
????c) c. balance between human needs and the ability of earth to provide the resources ????d)d. all of the above
???????????? 107 ???? ????The adverse ef f ect of modern agriculture is (Answer : B)
???????? ???????? ???????????? a) Water pollutionb ????b) Soil degr adationc ????c) Water loggingd ????d)All of the above
???????????? 108 ???? ????The f ossil f uel that is derived from the dead remains of plants that grew some 250 million years ago is
(Answer : C)
???????? ???????? ???????????? a) Petroleumb ????b) Natur al gasc ????c) Coald ????d)LPG
???????????? 109 ???? ????The impact of construction of dams (Answer : D)
???????? ???????? ???????????? a) Submerged f orest b ????b) Loss of wild lif e habitat c ????c) Damages downstream ecosystem d ????d)All
of the above
???????????? 110 ???? ????The ma jor cause f or land degr adation in our country is (Answer : A)
???????? ???????? ???????????? a) Soil erosion(b ????b) Pollution of soil(c ????c) Water-logging(d ????d)None of the above
???????????? 111 ???? ????The ma jor reason f or floods in the rivers Ganges and Br ahmaputr a is ________ (Answer : B)
???????? ???????? ???????????? a) a) Dams in Himalayas ????b) b) Def orestation in Himalayas ????c) c) Heavy r ains ????d)d) Melting of ice
???????????? 112 ???? ????The method of r ainwater harvesting which can be adopted by individual house owners is (Answer : D)
???????? ???????? ???????????? a) Construction of recharge trenches (b ????b) On channel stor age of water (c ????c) Creation of new
water bodies (d ????d)Roof-top r ainwater harvesting
???????????? 113 ???? ????The percentage of total world?s precipitation, which is lost to the atmosphere through evapor ation,
approximates to: (Answer : A)
???????? ???????? ???????????? a) 57%(b ????b) 7%(c ????c) 37%(d ????d)43%
???????????? 114 ???? ????The process of restoring f orests that once existed but was removed at some time in the past is known
as (Answer : B)
???????? ???????? ???????????? a) Af f orestationb ????b) Ref orestationc ????c) Def orestationd ????d)None of these
???????????? 115 ???? ????The share of Hydropower (Hydel pro jects) in worlds commercial electricity production is less than ________
(Answer : D)
???????? ???????? ???????????? a) 2.00% ????b) 4.00% ????c) 12.00% ????d)20.00%
???????????? 116 ???? ????The species restricted to be present in one region are called (Answer : B)
???????? ???????? ???????????? a) Edge speciesb ????b) Endemic species c ????c) Endangered species d ????d)Keystone species
???????????? 117 ???? ????The teeth are likely to be pitted, more susceptible to cavities and wear, when the fluoride concentr ation
is: (Answer : D)
???????? ???????? ???????????? a) More than 2 mg/1 (b ????b) More than 40 mg/1 (c ????c) More than 20 mg/1 (d ????d)More than 4 mg/1
???????????? 118 ???? ????The term ?Environment? has been derived from the French word which means to encircle or surround
(Answer : A)
???????? ???????? ???????????? a) Environb ????b) Oikosc ????c) Geod ????d)Aqua
???????????? 119 ???? ????Wetlands in the flood plains of rivers are also considered as nature?s ________ (Answer : C)
???????? ???????? ???????????? a) a) Heat sink ????b) b) carbon sink ????c) c) flood control systems ????d)d) swimming pool
???????????? 120 ???? ????What are rodenticides? (Answer : C)
???????? ???????? ???????????? a) that kill fishes ????b) that kill insects ????c) that kill r ats ????d)that kill crocos
???????????? 121 ???? ????What is Kyoto Protocol? (Answer : A)
???????? ???????? ???????????? a) a. It is an agreement among countries to take steps f or reducing global warming. ????b) b. It is an
agreement among countries to take steps f or reducing acid r ain. ????c) c. It is an agreement among countries to take steps
f or planting trees to control pollution. ????d)d. It is an agreement among countries to start using nuclear energy.
???????????? 122 ???? ????What is the ma jor limiting f actor in the arid areas of our country? (Answer : C)
???????? ???????? ???????????? a) a) Money ????b) b) f orests ????c) c) water ????d)d) soil
???????????? 123 ???? ????What kind of people are the most ill-af f ected by the construction of dams? (Answer : D)
???????? ???????? ???????????? a) a) Urban dwellers ????b) b) beach dwellers ????c) c) tourists ????d)d) tribal people
???????????? 124 ???? ????When fluoride concentr ation in H2O exceeds about 1.5 mg/1, the disease that may be caused, is
(Answer : B)
???????? ???????? ???????????? a) Dental caries in children(b ????b) Fluorosis(c ????c) Polymyelitis(d ????d)Methemoglobinemia
???????????? 125 ???? ????Which among the f ollowing is a sedimentary type of cycle? (Answer : A)
???????? ???????? ???????????? a) Sulphur cycle(b ????b) Nitrogen cycle(c ????c) Oxygen cycle(d ????d)Carbon cycle
???????????? 126 ???? ????Which gas is responsible f or ozone layer depletion around earth? (Answer : B)
???????? ???????? ???????????? a) Carbon dioxideb ????b) Chlorofluorocarbonsc ????c) Oxygend ????d)Nitrogen oxide
???????????? 127 ???? ????Which gas is responsible f or the global warming? (Answer : B)
???????? ???????? ???????????? a) Nitrogenb ????b) Carbon dioxidec ????c) Noble gasesd ????d)Hydrogen
???????????? 128 ???? ????Which is a list of renewable resources? (Answer : D)
???????? ???????? ???????????? a) Petroleum, geothermal, wind b ????b) Biomass, geothermal, hydropower c ????c) Natur al gas, wind,
biomass d ????d)Hydropower, solar, wind energy
???????????? 129 ???? ????Which is the only country who has not r atified the Kyoto Protocol yet? (Answer : A)
???????? ???????? ???????????? a) United States ????b) Austr alia ????c) Japan ????d)India
???????????? 130 ???? ????Which of below items is the ma jor sector which extr acts most of fresh water available f or utilization?
(Answer : D)
???????? ???????? ???????????? a) domestic use ????b) drinking water ????c) bever age industry ????d)agriculture
???????????? 131 ???? ????Which of the f ollowing are consequences of ozone depletion (Answer : A)
???????? ???????? ???????????? a) Skin cancer and catar actb ????b) Reduced growth in plants c ????c) Shortening of zooplanktons and
their breeding period d ????d)All of the above
???????????? 132 ???? ????Which of the f ollowing are ma jor environmental issues involved in mining? (Answer : D)
???????? ???????? ???????????? a) air pollutionb ????b) water pollutionc ????c) soil degr adationd ????d)all of the above
???????????? 133 ???? ????Which of the f ollowing ef f ect is responsible f or Global Warming? (Answer : A)
???????? ???????? ???????????? a) Green house ef f ectb ????b) Radioactive ef f ectc ????c) Solar ef f ectd ????d)Nuclear ef f ect
???????????? 134 ???? ????Which of the f ollowing is management option f or air pollution? (Answer : D)
???????? ???????? ???????????? a) Regulations and standardsb ????b) Tr ansport planningc ????c) Using CNG as f ueld ????d)All of these
???????????? 135 ???? ????Which of the f ollowing is not a method f or water conservation? (Answer : B)
???????? ???????? ???????????? a) Rainwater harvesting(b ????b) Groundwater extr action (c ????c) Improving irrigation ef ficiency (d
????d)Avoiding water wastage
???????????? 136 ???? ????Which of the f ollowing is not a viable protection against def orestation? (Answer : C)
???????? ???????? ???????????? a) Reduce the consumption of f orest and related products (b ????b) Boycott products of companies
involve in def orestation (c ????c) Privatisation of f orest land (d ????d)Environmental education
???????????? 137 ???? ????Which of the f ollowing is not influenced by human activities? (Answer : D)
???????? ???????? ???????????? a) Destruction of mangroves and wetlands b ????b) Depletion of ground water c ????c) Increased
extinction r ate of species d ????d)None of the above
???????????? 138 ???? ????Which of the f ollowing is not true about def orestation? (Answer : C)
???????? ???????? ???????????? a) Population explosion is one of the reasons f or def orestation (b ????b) Cleaning of f orest f or
agriculture causes def orestation. (c ????c) Def orestation is taking place only in developing courtiers. (d ????d)Cash crop
economy of third world is a cause of def orestation.
???????????? 139 ???? ????Which of the f ollowing is responsible f or desertification? (Answer : D)
???????? ???????? ???????????? a) Def orestation(b ????b) Mining(c ????c) Overgr azing(d ????d)All of the above
???????????? 140 ???? ????Which of the f ollowing statements about the f orest is not correct? (Answer : D)
???????? ???????? ???????????? a) Forest reduces soil erosion (b ????b) Provides recreational opportunities (c ????c) Provides economic
development (d ????d)None of the above
???????????? 141 ???? ????Which of these is not a f ossil f uel? (Answer : D)
???????? ???????? ???????????? a) Coalb ????b) Oilc ????c) Natur al gasd ????d)Ur anium
???????????? 142 ???? ????Which one of the f ollowing is not an ideal solution f or tackling water shortages? (Answer : D)
???????? ???????? ???????????? a) Controlling population growth (b ????b) Conserving water in irrigation (c ????c) Controlling water
pollution (d ????d)Drilling large number of deep bore wells
???????????? 143 ???? ????Which one of the f ollowing regions in India is a hotspot of biodiversity? (Answer : B)
???????? ???????? ???????????? a) Sundarbansb ????b) Western Ghatsc ????c) Eastern Ghatsd ????d)Gangetic plains
???????????? 144 ???? ????World environment day is on: (Answer : B)
???????? ???????? ???????????? a) 5th Mayb ????b) 5th Junec ????c) 18th Julyd ????d)16th August
???????????? 145 ???? ????World Forest day is celebr ated on (Answer : A)
???????? ???????? ???????????? a) 21st March b ????b) 5th June c ????c) 1st Dec d ????d)7th June
???????????? 146 ???? ????Yellowing of Ta j Mahal is an ef f ect of (Answer : A)
???????? ???????? ???????????? a) Acid r ainb ????b) Global warmingc ????c) Ozone depletiond ????d)All of the above
???????????? 147 ???? ????Green Revolution in India was initiated by __________ (Answer : A)
???????? ???????? ???????????? a) M.S. Swaminathan ????b) Sunderlal Bahuguna ????c) Kurien ????d)Medha Patkar
???????????? 148 ???? ????Who wrote the book Violence of Green Revolution (Answer : A)
???????? ???????? ???????????? a) Vandana Siva ????b) Sheela Dikshit ????c) Menaka Gandhi ????d)Arundhathi Roy.
???????????? 149 ???? ????World Forest day is celebr ated on (Answer : A)
???????? ???????? ???????????? a) 21st March ????b) 5th June ????c) 1st Dec ????d)7th June
???????????? 150 ???? ????The Chipko movement is started by (Answer : B)
???????? ???????? ???????????? a) Engler ????b) Sunderlal Bahuguna ????c) Medha Padkar ????d)None of these
???????????? 151 ???? ????Green revolution is associated with _________ (Answer : B)
???????? ???????? ???????????? a) sericulture ????b) Agriculture ????c) Fish culture ????d)silviculture
???????????? 152 ???? ????Which gas is likely to be reduced in the atmosphere by def orestation? (Answer : C)
???????? ???????? ???????????? a) Carbon dioxide ????b) Nitrogen ????c) Oxygen ????d)Sulphur dioxide
???????????? 153 ???? ????Extensive planting of trees to increase f orest cover is called (Answer : A)
???????? ???????? ???????????? a) Af f orestation ????b) Agrof orestry ????c) Def orestation ????d)Social f orestry
???????????? 154 ???? ????Soil erosion can be prevented by (Answer : B)
???????? ???????? ???????????? a) Def orestation ????b) Af f orestation ????c) Overgr azing ????d)Removal of vegetation
???????????? 155 ???? ????The components of LPG are _____________ (Answer : B)
???????? ???????? ???????????? a) Methane & Hexane ????b) Propane & Butane ????c) Ethane & Methane ????d)Propane & Ethane
???????????? 156 ???? ????Which of the f ollowing is the most responsible f or world water crisis? (Answer : C)
???????? ???????? ???????????? a) Dams ????b) Floods ????c) Drought ????d)Population growth
???????????? 157 ???? ????The resources that can be replaced by natur al ecological cycle is called (Answer : A)
???????? ???????? ???????????? a) Renewable ????b) Non-renewable ????c) exhaustible ????d)natur al
???????????? 158 ???? ????The amount of solar r adiation reaching the surf ace of the earth is called (Answer : A)
???????? ???????? ???????????? a) Solar flux ????b) reflected light ????c) miner als ????d)solvents
???????????? 159 ???? ????The most harmf ul of ultr aviolet r adiations are (Answer : A)
???????? ???????? ???????????? a) UV-C ????b) UV-B ????c) UV-A ????d)All the above
???????????? 160 ???? ????A renewable source of energy is (Answer : D)
???????? ???????? ???????????? a) Petroleum ????b) Coal ????c) Nuclear f uel ????d)Trees
???????????? 161 ???? ????The capacity to do work is termed as (Answer : D)
???????? ???????? ???????????? a) Power ????b) Force ????c) Strength ????d)Energy
???????????? 162 ???? ????The unit of total water content of the soil is known as (Answer : A)
???????? ???????? ???????????? a) Holard ????b) Chr aserd ????c) Echard ????d)All of the above
???????????? 163 ???? ????Pedology? (Answer : C)
???????? ???????? ???????????? a) Study of water ????b) Study of air ????c) Study of soil ????d)none
???????????? 164 ???? ????What is def orestation? (Answer : B)
???????? ???????? ???????????? a) Product of f orest ????b) Destruction of f orest ????c) Forest Protection ????d)none
???????????? 165 ???? ????Def orestation gener ally decreases (Answer : D)
???????? ???????? ???????????? a) Global Warming ????b) Drought ????c) Soil erosion ????d)Rainf all
???????????? 166 ???? ????Which among the f ollowing result in the f ormation of soil? (Answer : B)
???????? ???????? ???????????? a) Radiation ????b) Weathering ????c) Erosion ????d)Pollution
???????????? 167 ???? ????Mulching helps in (Answer : B)
???????? ???????? ???????????? a) soil f ertility ????b) moisture conservation ????c) improvements soil structure ????d)soil sterility
???????????? 168 ???? ????........................ is an example of ?bottom f eeders?. (Answer : A)
???????? ???????? ???????????? a) Cat fish ????b) Frog ????c) Snake ????d)Tadpole ????e)
???????????? 169 ???? ????..................... trees shed their leaves during winter and hot summer. (Answer : C)
???????? ???????? ???????????? a) (a) ever green ????b) b) conif erous ????c) c) deciduous ????d)d) Shola
???????????? 170 ???? ????...................... is a cold desert in India (Answer : B)
???????? ???????? ???????????? a) Thar ????b) Ladakh ????c) Ran of Kutch ????d)Bhopal
???????????? 171 ???? ????A lake ecosystem f unctions as a (Answer : A)
???????? ???????? ???????????? a) Ter ai ????b) Shola gr asslands ????c) Semi arid plains ????d)Himalayan pastures
???????????? 172 ???? ????An example of nitrogen fixing bacteria in the soil (Answer : C)
???????? ???????? ???????????? a) Rhizobium ????b) Nostoc ????c) Azotobacter ????d)Nitrobacter
???????????? 173 ???? ????An example of one way ecological cycle is (Answer : C)
???????? ???????? ???????????? a) carbon dioxide cycle ????b) water cycle ????c) energy cycle ????d)oxygen cycle
???????????? 174 ???? ????Br ackish water ecosystems in river deltas are among (Answer : B)
???????? ???????? ???????????? a) Least productive ecosystems ????b) Most productive in terms of biomass production ????c) c)
Unproductive d) Stagnant ecosystems ????d)
???????????? 175 ???? ????Ecology is (Answer : C)
???????? ???????? ???????????? a) The science that studies the evolution of lif e, ????b) b) Integr ates both social and natur al sciences to
help us understand how the earth works, ????c) c) The study of the relationships between organisms and their
environment ????d)d) The study of the environment in the absence of humans
???????????? 176 ???? ????Forests grow in high r ain f all areas are (Answer : A)
???????? ???????? ???????????? a) (a) ever green f orests ????b) b) temper ate f orests ????c) c) conif ers ????d)d) Tundr a
???????????? 177 ???? ????Fungi is a (Answer : D)
???????? ???????? ???????????? a) Macroconsumer ????b) Producer ????c) Carnivore d ????d)Microconsumer
???????????? 178 ???? ????Nitrogen fixing blue green alga (Answer : C)
???????? ???????? ???????????? a) Clostridium ????b) Rhizobium ????c) Nostoc ????d)Nitrosomonas
???????????? 179 ???? ????Nitrogen gas returns to the atmosphere by the action of (Answer : B)
???????? ???????? ???????????? a) Nitrogen fixing bacteria ????b) Denitrif ying bacteria ????c) Nitrif ying bacteria ????d)Nitr ate f ertilizers
???????????? 180 ???? ????Patches of tall gr asslands interspersed with Sal f orest ecosystem is (Answer : A)
???????? ???????? ???????????? a) ????b) ????c) ????d)
???????????? 181 ???? ????Ramsar Convention ref ers to the conservation of ____________ (Answer : B)
???????? ???????? ???????????? a) (a) Deserts ????b) b) Wetlands ????c) c) Agriculture lands, ????d)d) Forest land
???????????? 182 ???? ????Some species whose removal can af f ect the survival of an ecosystem are called (Answer : B)
???????? ???????? ???????????? a) ????b) b) Keystone species ????c) c) Producers ????d)d) Carnivores
???????????? 183 ???? ????Sunderbans is home to (Answer : B)
???????? ???????? ???????????? a) Giant permanent pond ????b) Tempor ary aquatic system ????c) Simplest aquatic ecosystem ????d)Water
tank
???????????? 184 ???? ????The conversion of ammonia to nitr ate is known as ________ (Answer : B)
???????? ???????? ???????????? a) (a) ammonification ????b) b) nitrification ????c) c) denitrification ????d)d) all of these
???????????? 185 ???? ????The f orests which occur in law r ain f all area is (Answer : B)
???????? ???????? ???????????? a) (a) Evergreen f orests ????b) b) deciduous f orests ????c) c) Conif erous f orest ????d)d) All the above.
???????????? 186 ???? ????The inherent ability of organisms to reproduce and multiply is called, (Answer : B)
???????? ???????? ???????????? a) C value ????b) b) biotic potential ????c) c) carrying capacity ????d)d) K value
???????????? 187 ???? ????The largest br ackish water lake situated in Asia is in Orissa. Which is the lake? (Answer : A)
???????? ???????? ???????????? a) (a) Chilka lake ????b) b) Vembanad lake ????c) c) Woolar lake ????d)d) Dal lake
???????????? 188 ???? ????The Little Rann of Kutch is home to (Answer : D)
???????? ???????? ???????????? a) Horse ????b) b) Great Indian Bustard ????c) c) Lion ????d)d) Wild Ass
???????????? 189 ???? ????The presence of which is necessary f or photosynthesis (Answer : B)
???????? ???????? ???????????? a) (a) Chlorof orm ????b) b) Chlorophyll ????c) c) Phosphorus ????d)d) Polymer
???????????? 190 ???? ????The process through which ecosystems tend to change after a period of time is called (Answer : A)
???????? ???????? ???????????? a) ????b) ????c) ????d)
???????????? 191 ???? ????The species that flower are called (Answer : C)
???????? ???????? ???????????? a) (a) gymnosperms ????b) b) bryophytes ????c) c) angiosperms ????d)d) algae
???????????? 192 ???? ????The term ?Eco? implies (Answer : A)
???????? ???????? ???????????? a) Environment ????b) Ecotone ????c) Ecotourism ????d)Soil
???????????? 193 ???? ????The term ?Ecology? was coined by (Answer : B)
???????? ???????? ???????????? a) A.G.Tansley ????b) Earnst Haeckel ????c) Aristotle ????d)Linnaeus
???????????? 194 ???? ????The word Biophilia was coined by (Answer : D)
???????? ???????? ???????????? a) Dr. Hackel ????b) Dr.Johanssen ????c) Dr. Ben jamine ????d)E. O. Wilson
???????????? 195 ???? ????What is Dendrology? (Answer : C)
???????? ???????? ???????????? a) Study of Plants ????b) Study of Butterflies ????c) Study of Trees ????d)None of these
???????????? 196 ???? ????What is edge species? (Answer : A)
???????? ???????? ???????????? a) The species which occur abundantly in the ecotone ????b) b) Species on the verge of extinction ????c)
c) Rare species ????d)d) Endemic species
???????????? 197 ???? ????What is symbiosis? (Answer : C)
???????? ???????? ???????????? a) Study of distribution of related species ????b) b) Association between members of same species
????c) c) Association between members of two species ????d)d) None
???????????? 198 ???? ????When number of f ood chains is interlocked this is called (Answer : C)
???????? ???????? ???????????? a) f ood link ????b) f ood chain ????c) f ood web ????d)pyr amid
???????????? 199 ???? ????Which is an example f or sedimentary biogeochemical cycle (Answer : D)
???????? ???????? ???????????? a) Oxygen cycle ????b) Nitrogen cycle ????c) Water cycle ????d)Phosphorus cycle
???????????? 200 ???? ????Which is the second largest in species richness? (Answer : C)
???????? ???????? ???????????? a) Desert ????b) b) Tundr a ????c) c) Cor al reefs ????d)d) Flowing water
???????????? 201 ???? ????Gr assland of USA is ref erred to as (Answer : A)
???????? ???????? ???????????? a) Pr airies ????b) Steppes ????c) Pampas ????d)Veldts
???????????? 202 ???? ????The complex network of interconnected f ood chains is called ___________ (Answer : B)
???????? ???????? ???????????? a) Trophic level ????b) Food web ????c) Ecological pyr amid ????d)Ecology chain
???????????? 203 ???? ????The animal which consumes decaying organic matter is _________ (Answer : B)
???????? ???????? ???????????? a) Carnivore ????b) Detritivore ????c) Herbivore ????d)Producers
???????????? 204 ???? ????An ecosystem gr adually merges with an adjoining one through a tr ansitional zone is called the
______________ (Answer : C)
???????? ???????? ???????????? a) Ecological niche ????b) ecological f ootprint ????c) ecotone ????d)Shore ef f ect
???????????? 205 ???? ????The Primary Consumers are also called as (Answer : A)
???????? ???????? ???????????? a) Herbivores ????b) Carnivores ????c) Enzymes ????d)None of these
???????????? 206 ???? ????The f orests which occur in law r ain f all area is called (Answer : B)
???????? ???????? ???????????? a) Evergreen f orests ????b) deciduous f orests ????c) Conif erous f orest ????d)All the above
???????????? 207 ???? ????Favor able morphological and physiological response to a change in environment is called (Answer : D)
???????? ???????? ???????????? a) Preadaptation ????b) Ecotyping ????c) Formation of ecophenes ????d)Acclimatization
???????????? 208 ???? ????Plants adapted to open, sunny habitats are (Answer : B)
???????? ???????? ???????????? a) Sciophytes ????b) Heliophytes ????c) Mesophytes ????d)Epiphytes
???????????? 209 ???? ????Temper ate f orests occur in India in (Answer : B)
???????? ???????? ???????????? a) Indo-gangetic plains ????b) Himalayas ????c) Eastern India ????d)Southern peninsula
???????????? 210 ???? ????In India, tropical evergreen f orests occur in (Answer : C)
???????? ???????? ???????????? a) Himachal Pr adesh ????b) Madhya Pr adesh ????c) Assam ????d)Tamil Nadu
???????????? 211 ???? ????Which one is natures cleaner? (Answer : C)
???????? ???????? ???????????? a) Consumers ????b) Producers ????c) Decomposers and Scavengers ????d)Symbionts
???????????? 212 ???? ????The relationship between nitrogen fixing bacteria and leguminous plants is an example f or (Answer : C)
???????? ???????? ???????????? a) Par asitism ????b) Predation ????c) Mutualism ????d)Symbiosis
???????????? 213 ???? ????______ trees shed their leaves during winter and hot summer. (Answer : C)
???????? ???????? ???????????? a) Ever green ????b) Conif erous ????c) Deciduous ????d)Shola
???????????? 214 ???? ????Thorn f orests are f ound in the_______ regions (Answer : A)
???????? ???????? ???????????? a) Semi-arid ????b) High r ain f all areas ????c) Low temper ature ????d)Frozen areas
???????????? 215 ???? ????________ is a cold desert in India (Answer : B)
???????? ???????? ???????????? a) Thar ????b) Ladakh ????c) Ran of Kutch ????d)Bhopal
???????????? 216 ???? ????______ is an example of bottom f eeders (Answer : A)
???????? ???????? ???????????? a) Cat fish ????b) Frog ????c) Snake ????d)Tadpole
???????????? 217 ???? ????A Hawk that eats a frog is a (Answer : D)
???????? ???????? ???????????? a) Producer ????b) Primary Consumer ????c) Secondary Consumer ????d)Tertiary Consumer
???????????? 218 ???? ????An example of lotic system (Answer : B)
???????? ???????? ???????????? a) Pond ????b) River ????c) Lake ????d)Reservoir
???????????? 219 ???? ????Complex interlinked f ood chains are called (Answer : A)
???????? ???????? ???????????? a) Food Web ????b) Food net work ????c) Trophic levels ????d)Food pyr amid
???????????? 220 ???? ????Lotic ecosystem ref ers to (Answer : B)
???????? ???????? ???????????? a) Static water system ????b) Ecosystem of flowing water ????c) Ecosystem of estuaries ????d)Deep
marine water system
???????????? 221 ???? ????Autotrophs are ______________ (Answer : D)
???????? ???????? ???????????? a) Consumers ????b) Herbivores ????c) Saprophytes ????d)Producers
???????????? 222 ???? ????Organisms which depened on Producers f or nutrition are called (Answer : C)
???????? ???????? ???????????? a) Autotrophs ????b) Saprophytes ????c) Consumers ????d)Xerophytes
???????????? 223 ???? ????The source of atmospheric oxygen is (Answer : B)
???????? ???????? ???????????? a) Nitrogen cycle ????b) Green Plants ????c) Water ????d)Carbon Cycle
???????????? 224 ???? ????Plants which grow in shade are called (Answer : A)
???????? ???????? ???????????? a) Sciophytes ????b) Heliophytes ????c) Oxylophytes ????d)Epiphytes
???????????? 225 ???? ????Photosynthesis is f ound in (Answer : A)
???????? ???????? ???????????? a) Producers ????b) Decomposers ????c) Consumers ????d)Scavengers
???????????? 226 ???? ????Phytoplankton are (Answer : B)
???????? ???????? ???????????? a) Producers of f orest ????b) Producers of lakes ????c) Consumers of Ocean ????d)Omnivores
???????????? 227 ???? ????Gas released during photosynthesis is (Answer : C)
???????? ???????? ???????????? a) Methane ????b) Nitrogen ????c) Oxygen ????d)Carbon dioxide
???????????? 228 ???? ????The ma jor reservoir of carbon is (Answer : B)
???????? ???????? ???????????? a) The atmosphere ????b) Ocean Bed ????c) Plant and animals ????d)Rock
???????????? 229 ???? ????The simplest aquatic ecosystem can be seen in a (Answer : C)
???????? ???????? ???????????? a) River ????b) Lake ????c) Pond ????d)Water Tank
???????????? 230 ???? ????What is hibernation and aestivation? (Answer : A)
???????? ???????? ???????????? a) Thermal adaptation shown by animals ????b) wind adaptation shown by animals ????c) adaptation of
animals to escape from predators ????d)None
???????????? 231 ???? ????What is lentic habitat ? (Answer : B)
???????? ???????? ???????????? a) Running water habitat ????b) Standing or still water habitat ????c) Marine habitat ????d)None
???????????? 232 ???? ????What is lotic habitat? (Answer : C)
???????? ???????? ???????????? a) Standing or still water habitat ????b) Marine habitat ????c) Running water habitat ????d)Stagnant water
???????????? 233 ???? ????What is Plankton? (Answer : A)
???????? ???????? ???????????? a) Microscopic floating organisms ? Plants and animals. ????b) bottom dwelling aquatic organisms ????c)
Large plants in water ????d)None
???????????? 234 ???? ????What is Canopy? (Answer : A)
???????? ???????? ???????????? a) Uppermost level of the f orest ????b) Ground level of the f orest ????c) Soil in f orest ????d)Climbers on
trees
???????????? 235 ???? ????North American gr assland are called (Answer : B)
???????? ???????? ???????????? a) Pampas ????b) Pr airies ????c) Savannah ????d)None
???????????? 236 ???? ????African gr asslands are called (Answer : C)
???????? ???????? ???????????? a) Pr airies ????b) Pampas ????c) Savannah ????d)None
???????????? 237 ???? ????Green plants are absent in deep sea. Why? (Answer : A)
???????? ???????? ???????????? a) Light is absent ????b) High pressure ????c) low temper ature ????d)Great depth
???????????? 238 ???? ????What is desertification? (Answer : D)
???????? ???????? ???????????? a) Conversion of f orests into desert ????b) Conversion of croplands into desert ????c) Conversion of
gr assland into desert ????d)all of the above
???????????? 239 ???? ????The first trophic level in a f ood chain (Answer : A)
???????? ???????? ???????????? a) Green Plants ????b) Herbivores ????c) Carnivores ????d)Bacteria
???????????? 240 ???? ????Sulphur bacteria are examples of (Answer : D)
???????? ???????? ???????????? a) Carnivores ????b) Heterotrophs ????c) Saprophytes ????d)Autotrophs
???????????? 241 ???? ????Green Land biome (Answer : B)
???????? ???????? ???????????? a) Tundr a ????b) Pampas ????c) Taiga ????d)Thaar.
???????????? 242 ???? ????What is deep ecology? (Answer : A)
???????? ???????? ???????????? a) Protecting nature f or its own sake ????b) Ecology of deep sea ????c) Ecology of f orest ????d)Ecology of
caves
???????????? 243 ???? ????Cor al reefs in India can be seen in (Answer : B)
???????? ???????? ???????????? a) Himalayan region ????b) Andaman and Nicobar Islands ????c) Uttarpr adesh ????d)Mahar ashtr a
???????????? 244 ???? ????____________ is one of the most endangered species of Indian birds (Answer : D)
???????? ???????? ???????????? a) Bee eater ????b) Par adise fly catcher ????c) Owl ????d)The great Indian bustard
???????????? 245 ???? ????................. species is known as Azadir achta Indica (Answer : A)
???????? ???????? ???????????? a) Neem ????b) Mango ????c) Jackfruit ????d)Banana
???????????? 246 ???? ????.................... is a marine tortoise which shows the unique phenomenon ?arribada? (Answer : A)
???????? ???????? ???????????? a) Olive Ridley ????b) Star T ortoise ????c) Tr avancore T ortoise ????d)b & c
???????????? 247 ???? ????.................... tree is known as ?flame of the f orest?? (Answer : B)
???????? ???????? ???????????? a) Zizyphus ????b) Butea monosperma ????c) Jackfruit ????d)Pongamea
???????????? 248 ???? ????All are insitu conservation ef f orts except (Answer : C)
???????? ???????? ???????????? a) National parks ????b) Sanctuaries ????c) Zoo ????d)
???????????? 249 ???? ????Approximately, 50% of total world species are present on (Answer : A)
???????? ???????? ???????????? a) tropical r ain f orest ????b) temper ate r ain f orest ????c) temper ate deciduous f orest d ????d)cor al reefs
???????????? 250 ???? ????Bears are usually hunted and killed f or their (Answer : B)
???????? ???????? ???????????? a) Teeth ????b) Skin ????c) Gall bladder ????d)Nails
???????????? 251 ???? ????Biodiversity (Answer : A)
???????? ???????? ???????????? a) increases towards the equator ????b) decreases towards the equator ????c) remains same throughout
the planet d ????d)has no ef f ect on change in latitude
???????????? 252 ???? ????Black Buck is a (Answer : B)
???????? ???????? ???????????? a) Goat ????b) Deer ????c) Butterfly ????d)Bird
???????????? 253 ???? ????Blue whale is placed under (Answer : A)
???????? ???????? ???????????? a) endangered ????b) critically endangered ????c) r are ????d)d) extinct
???????????? 254 ???? ????Conservation within the natur al habitat is (Answer : A)
???????? ???????? ???????????? a) insitu conservation ????b) exsitu conservation ????c) invivo conservation ????d)d) exvivo conservation
???????????? 255 ???? ????Cor al reefs in India can be seen in (Answer : B)
???????? ???????? ???????????? a) Himalayan region ????b) Andaman and Nicobar Islands ????c) Uttarpr adesh ????d)Mahar ashtr a
???????????? 256 ???? ????Dodo is (Answer : D)
???????? ???????? ???????????? a) endangered ????b) b) critically endangered ????c) c) r are ????d)d) extinct
???????????? 257 ???? ????Endemic species are (Answer : B)
???????? ???????? ???????????? a) r are species ????b) b) species localised in a specific region ????c) c) cosmopolitan in distribution d)
critically endangered species ????d)
???????????? 258 ???? ????Ex situ conservation includes (Answer : D)
???????? ???????? ???????????? a) Zoo ????b) Botanic garden ????c) c) Germplasm bank ????d)d) all of the above
???????????? 259 ???? ????Gharial is a (Answer : A)
???????? ???????? ???????????? a) Crocodile ????b) b) Cobr a ????c) c) T ortoise ????d)d) Frog
???????????? 260 ???? ????Herpetology is a br anch of Science which deals with (Answer : C)
???????? ???????? ???????????? a) Aves ????b) Mammals ????c) Reptiles ????d)Fishes
???????????? 261 ???? ????Hot spots are regions of high (Answer : B)
???????? ???????? ???????????? a) r arity ????b) b) endemism ????c) c) critically endangered population d) diversity ????d)d) diversity
???????????? 262 ???? ????India is primary centre of domestication of (Answer : D)
???????? ???????? ???????????? a) Sheep ????b) Goat ????c) Water Buf f alo ????d)Elephants
???????????? 263 ???? ????IUCN (The International Union For Conservation Of Nature And Natur al Resources) headquarters is at
(Answer : A)
???????? ???????? ???????????? a) Morges, Switzerland ????b) Paris, Fr ance ????c) Vienna, Austria d ????d)NewYork, USA
???????????? 264 ???? ????IUCN is also called as (Answer : B)
???????? ???????? ???????????? a) Man and Biosphere progr am ????b) World Conservation Union ????c) World Conservation Consortium
d ????d)World Wide Conservation Union
???????????? 265 ???? ????Killing of animals disturbs (Answer : C)
???????? ???????? ???????????? a) Good f or eco system ????b) Good f or man ????c) The balance of nature ????d)None
???????????? 266 ???? ????MAB progr am stands f or (Answer : D)
???????? ???????? ???????????? a) Man and biotechnology ????b) Material and biology ????c) Man and Biology ????d)Man and Biosphere
???????????? 267 ???? ????Pangolins f eed on (Answer : A)
???????? ???????? ???????????? a) ants ????b) b) fruits ????c) c) leaves ????d)d) roots
???????????? 268 ???? ????Red data book contains data of (Answer : D)
???????? ???????? ???????????? a) all plant species ????b) all animal species ????c) economically important species ????d)threatened
species
???????????? 269 ???? ????Silent Spring is a well known book written by (Answer : C)
???????? ???????? ???????????? a) John Miller ????b) Charles Darwin ????c) Rachel Carson ????d)Aldoleopold
???????????? 270 ???? ????The drug morphine is extr acted from ............... plant (Answer : C)
???????? ???????? ???????????? a) Cocoa ????b) Belladonna ????c) Opium Poppy ????d)Tannin
???????????? 271 ???? ????The first global environmental protection treaty The Montreal Protocol was signed on Sept. 26. (Answer
: D)
???????? ???????? ???????????? a) 1985 ????b) 1990 ????c) 1981 ????d)1987
???????????? 272 ???? ????The most important reason f or decrease in biodiversity is (Answer : D)
???????? ???????? ???????????? a) habitat pollution ????b) introduction of exotic species ????c) overexploitation ????d)habitat destruction
???????????? 273 ???? ????The only ape f ound in India (Answer : C)
???????? ???????? ???????????? a) Gorilla ????b) Chimpanzee ????c) Hoolock gibbon ????d)Or anguttan
???????????? 274 ???? ????Which of the f ollowing is a biodiversity hot sport in India? (Answer : A)
???????? ???????? ???????????? a) Western Ghats ????b) Nandadevi ????c) Eastern Ghats ????d)Ar avalli
???????????? 275 ???? ????Which of the f ollowing region has maximum diversity? (Answer : D)
???????? ???????? ???????????? a) mangroves ????b) temper ate r ainf orest ????c) taiga d ????d)cor al reefs
???????????? 276 ???? ????Which plants die after flowering? (Answer : B)
???????? ???????? ???????????? a) Lotus ????b) Bamboo ????c) Chrysanthemum ????d)Butea
???????????? 277 ???? ????Which tree is known as Cor al tree? (Answer : C)
???????? ???????? ???????????? a) Quercus ????b) Dipterocarps ????c) Erythrina ????d)Zizypus
???????????? 278 ???? ????Salim Ali Centre f or Ornithology and Natur al history is located at ______ (Answer : D)
???????? ???????? ???????????? a) Pune ????b) Hyder abad ????c) Ker ala ????d)Coimbatore
???????????? 279 ???? ????World wildlif e week is observed during (Answer : A)
???????? ???????? ???????????? a) First week of October ????b) Last week of October ????c) Third week of October ????d)First week of
September
???????????? 280 ???? ????Zoological Survey of India is at (Answer : C)
???????? ???????? ???????????? a) Delhi ????b) Mumbai ????c) Kolkata ????d)Chennai
???????????? 281 ???? ????The Salim Ali Bird sanctuary is located at (Answer : B)
???????? ???????? ???????????? a) Pondicherry ????b) Thattekad ????c) Anakkatti ????d)Kalakkadj
???????????? 282 ???? ????Who among the f ollowing is commonly called ?Bird Man of India?? (Answer : A)
???????? ???????? ???????????? a) Salim Ali ????b) M.S. Swaminathan ????c) M.C. Mehta ????d)Raphel Emerson
???????????? 283 ???? ????The phenomenon of occurrence of additional species f ound in the ecotone or tr ansitional zone
between adjoining ecosystems is known as _________ (Answer : A)
???????? ???????? ???????????? a) Edge ef f ect ????b) Root ef f ect ????c) Raman ef f ect ????d)Coolidge ef f ect
???????????? 284 ???? ????A set of organisms that resemble one another in appear ance and behaviour is called a _____________
(Answer : C)
???????? ???????? ???????????? a) Exons ????b) Prions ????c) Species ????d)guilds
???????????? 285 ???? ????All the genes of a population is called (Answer : A)
???????? ???????? ???????????? a) gene pool ????b) Genome ????c) Gene bunch ????d)Gene population
???????????? 286 ???? ????The first protected area in India is ____________ (Answer : B)
???????? ???????? ???????????? a) Silent valley ????b) Corbett National Park ????c) Bandipur sanctuary ????d)Nagar-Hole
???????????? 287 ???? ????The Indian Parliament passed the Biodiversity Bill in the year_________ (Answer : C)
???????? ???????? ???????????? a) 2000 ????b) 2005 ????c) 2002 ????d)2007
???????????? 288 ???? ????The destruction of habitat of plants and animals is called (Answer : C)
???????? ???????? ???????????? a) Endemism ????b) Endangered species ????c) Habitat loss ????d)Flood
???????????? 289 ???? ????Zoos are examples f or (Answer : C)
???????? ???????? ???????????? a) In-situ conservation ????b) In-vivo conservation ????c) Ex-situ conservation ????d)Ex-vivo conservation
???????????? 290 ???? ????In which Indian state is Corbet National park located (Answer : B)
???????? ???????? ???????????? a) Madya Pr adesh ????b) Uttar akhand ????c) Ker ala ????d)Tamilnadu
???????????? 291 ???? ????The first national park of Ker ala (Answer : D)
???????? ???????? ???????????? a) Ar alam ????b) Kottayam ????c) Idukki ????d)Ir avikulam
???????????? 292 ???? ????In which year was Pro ject Tiger launched? (Answer : A)
???????? ???????? ???????????? a) 1973 ????b) 1964 ????c) 1998 ????d)1970
???????????? 293 ???? ????Earth summit of Rio de Janeiro (1992) resulted in (Answer : C)
???????? ???????? ???????????? a) Compilation of Red list ????b) Establishment of biosphere reserves ????c) Conservation of biodiversity
????d)IUCN
???????????? 294 ???? ????Lions are f ound in (Answer : D)
???????? ???????? ???????????? a) Western Ghats ????b) Corbett National Park ????c) Forests of Madhya Pr adesh ????d)Gir f orests
???????????? 295 ???? ????National Park associated with rhinoceros is (Answer : A)
???????? ???????? ???????????? a) Kazir anga ????b) Ranthambore ????c) Corbett ????d)Valley of flowers
???????????? 296 ???? ????Some species of plants and animals are extremely r are and may occur only at a f ew locations are called
(Answer : B)
???????? ???????? ???????????? a) Endemic ????b) Endangered ????c) Vulner able ????d)Threatened
???????????? 297 ???? ????The only known breeding colony of the greater and lesser Flamingos in our country is seen in
???????.. desert. (Answer : A)
???????? ???????? ???????????? a) The Great Rann of Kutch ????b) The Thar ????c) Ladakh ????d)Atacama
???????????? 298 ???? ????The one-horned Rhinoceros is now restricted to which state? (Answer : C)
???????? ???????? ???????????? a) Mahar ashtr a ????b) Gujar at ????c) Assam ????d)Uttar Pr adesh
???????????? 299 ???? ????Asiatic lion is f ound only in _____ (Answer : A)
???????? ???????? ???????????? a) Gir Forest ????b) Manas ????c) Kasir anga ????d)Sundarbans
???????????? 300 ???? ????________ is a marine tortoise which shows the unique phenomenon ???arribada??? (Answer : A)
???????? ???????? ???????????? a) Olive Ridley ????b) Star T ortoise ????c) Tr avancore T ortoise ????d)b & c
???????????? 301 ???? ????Largest reptile in the world (Answer : B)
???????? ???????? ???????????? a) Dr agon ????b) Anaconda ????c) Crocodile ????d)Python
???????????? 302 ???? ????Snow leopard is f ound in which National Park? (Answer : B)
???????? ???????? ???????????? a) Kazir anga ????b) The Great Himalayan ????c) Bhar atpur ????d)Nagarhole
???????????? 303 ???? ????Point Calimere sanctuary is situated in which state? (Answer : A)
???????? ???????? ???????????? a) Tamilnadu ????b) Ker ala ????c) Karnataka ????d)Gujar at
???????????? 304 ???? ????The movement Beej Bachao Andolan was aimed f or the conservation of ________ (Answer : C)
???????? ???????? ???????????? a) Trees ????b) Shrubs ????c) Crops ????d)Coconut
???????????? 305 ???? ????In which year Silent Valley was declared as National Park? (Answer : C)
???????? ???????? ???????????? a) 1988 ????b) 1982 ????c) 1984 ????d)1981
???????????? 306 ???? ????The Red Data book which lists endangered species is maintained by (Answer : C)
???????? ???????? ???????????? a) UNO ????b) WHO ????c) IUCN ????d)WWF
???????????? 307 ???? ????First Biosphere reserve in India (Answer : A)
???????? ???????? ???????????? a) Nilgiri ????b) Agastyamala ????c) Er avikulam ????d)Chinnar
???????????? 308 ???? ????Flag ship species of Choolannur sanctuary (Answer : B)
???????? ???????? ???????????? a) Tiger ????b) Peacock ????c) Elephant ????d)Rhino
???????????? 309 ???? ????Which of the f ollowing is an extinct species? (Answer : C)
???????? ???????? ???????????? a) Tiger ????b) Lion ????c) Dodo ????d)Ostrich
???????????? 310 ???? ????________ is one of the most endangered species of Indian birds (Answer : D)
???????? ???????? ???????????? a) Bee eater ????b) Par adise fly catcher ????c) Owl ????d)The great Indian bustard
???????????? 311 ???? ????Many wild plant and animals are on the verge of extinction due to (Answer : A)
???????? ???????? ???????????? a) Habitat destruction ????b) Climatic changes ????c) Non availability of f ood ????d)None of the above
???????????? 312 ???? ????The most endangered ecosystem in India (Answer : B)
???????? ???????? ???????????? a) Shola f orest ecosystem ????b) Evergreen f orest ecosystem ????c) Pond ecosystem ????d)Tundr a
Ecosystem
???????????? 313 ???? ????Er avikulam National Park conserves (Answer : D)
???????? ???????? ???????????? a) Lion tailed macaque ????b) Tiger ????c) Elephant ????d)Nilgiri Tahr
???????????? 314 ???? ????First National Park in India (Answer : A)
???????? ???????? ???????????? a) Jim Corbert National Park ????b) Bandipur National Park ????c) Gir National Park ????d)Sunderbans
National Park
???????????? 315 ???? ????Agastyamalai Biosphere reserve is in (Answer : B)
???????? ???????? ???????????? a) Pathanamthitta ????b) Thiruvananthapur am ????c) Idukki ????d)Wayanad
???????????? 316 ???? ????What is meant by ex-situ conservation? (Answer : C)
???????? ???????? ???????????? a) Conservation of a species by protecting its habitat along with all other species living there. ????b)
Conservation of f orest eco system ????c) Conservation of a species outside its natur al habitat ????d)Conservation of
plants
???????????? 317 ???? ????The state which constituted green bench (Answer : B)
???????? ???????? ???????????? a) Ker ala ????b) Tamilnadu ????c) Assam ????d)Madhya Pr adesh
???????????? 318 ???? ????Name the endangered animal which is protected in Ra jamalai National park (Answer : C)
???????? ???????? ???????????? a) Chital ????b) Black buck ????c) Nilgiri Tahr ????d)None
???????????? 319 ???? ????Animals and plants are best protected in (Answer : C)
???????? ???????? ???????????? a) Zoos ????b) Botanical Gardens ????c) National Parks ????d)Sanctuaries
???????????? 320 ???? ????Worlds first Teak Forest was planted in 1842 in Ker ala. Identif y the place. (Answer : B)
???????? ???????? ???????????? a) Wayanad ????b) Nilambur ????c) Silent Valley ????d)Nelliyampathy
???????????? 321 ???? ????The Native Place of Redwood trees? (Answer : C)
???????? ???????? ???????????? a) Austr alia ????b) Amazon ????c) Calif ornia ????d)Thailand
???????????? 322 ???? ????Centre of Modern nuclear technology in India (Answer : C)
???????? ???????? ???????????? a) CRAS ????b) SARC ????c) BARC ????d)None of these
???????????? 323 ???? ????What is an Inciner ator? (Answer : A)
???????? ???????? ???????????? a) Furnace used f or burning solid waste ????b) Furnace used f or treating liquid waste ????c) Both a & b
????d)None of these
???????????? 324 ???? ????Photochemical smog is called (Answer : B)
???????? ???????? ???????????? a) T okyo smog ????b) London smog ????c) Los Angeles smog ????d)None
???????????? 325 ???? ????The combustion of waste in the absence of Oxygen is called (Answer : B)
???????? ???????? ???????????? a) Haemolysis ????b) Pyrolysis ????c) Hydrolysis ????d)None
???????????? 326 ???? ????The heating of earths atmosphere due to tr apped r adiation is known as (Answer : D)
???????? ???????? ???????????? a) Global warming ????b) Glass-House ef f ect ????c) Thermal ef f ect ????d)Green House Ef f ect
???????????? 327 ???? ????Thickness of plastic cover permissible to use (Answer : C)
???????? ???????? ???????????? a) 50 Microns ????b) 20 Microns ????c) 100 Microns ????d)10 Microns
???????????? 328 ???? ????A biodegr adable plastic developed by Biopak Corpor ation Austr alia (Answer : A)
a) Biopol ????b) Pet ????c) Polyester ????d)PVC
???????????? 329 ???? ????The Residential and Commercial wastes mainly consist of: (Answer : A)
???????? ???????? ???????????? a) Food wastes ????b) Card board ????c) Packaging materials ????d)None of these
???????????? 330 ???? ????Lead in water can cause (Answer : C)
???????? ???????? ???????????? a) Eye disease ????b) Arthritis ????c) Kidney damage ????d)Hair f alling
???????????? 331 ???? ????Colorless odorless and non corrosive air pollutant is (Answer : C)
???????? ???????? ???????????? a) Sulphur dioxide ????b) Carbon monoxide ????c) Carbon dioxide ????d)Ozone
???????????? 332 ???? ????Disease aggr avated by air pollution is (Answer : C)
???????? ???????? ???????????? a) Choler a ????b) Rheumatism ????c) Bronchitis ????d)Haemophilia
???????????? 333 ???? ????Which of the f ollowing type of pollution can cause the outbreak of Jaundice (Answer : C)
???????? ???????? ???????????? a) Air ????b) Thermal ????c) Water ????d)Land
???????????? 334 ???? ?????Ozone Hole? is a _____________ (Answer : B)
???????? ???????? ???????????? a) Hole in the atmosphere b ????b) Destruction of ozone layer c ????c) Hole in the hydrosphere d ????d)Hole
in the troposphere
???????????? 335 ???? ?????Plumbism? is the disorder develops in man when exposed to..... (Answer : A)
???????? ???????? ???????????? a) a) Lead ????b) b) Mercury ????c) c) Arsenic ????d)d) CO
???????????? 336 ???? ????A pollutant not released by exhaust of automobiles is.... (Answer : C)
???????? ???????? ???????????? a) a) SO 2 ????b) b) CO ????c) c) Fly Ash ????d)d) Hydrocarbon gases
???????????? 337 ???? ????Acid r ain contains (Answer : A)
???????? ???????? ???????????? a) Sulphuric acid b ????b) Hydrochloric acid c ????c) Oxalic acid d ????d)Acetic acid
???????????? 338 ???? ????An example of natur al pollutant is (Answer : D)
???????? ???????? ???????????? a) a) Forest fire ????b) b) Natur al Organic Decay ????c) c) Volcanic eruptions ????d)d) All of the above
???????????? 339 ???? ????An example of non-biodegr adable pollutant is (Answer : B)
???????? ???????? ???????????? a) a) Sewage ????b) b) Plastic ????c) c) Litter ????d)d) Vegetable waste
???????????? 340 ???? ????Birth r ate is called (Answer : C)
???????? ???????? ???????????? a) mortality b ????b) vital index c ????c) natality d ????d)viability
???????????? 341 ???? ????Bishnoi women is connected to (Answer : B)
???????? ???????? ???????????? a) Hindi Film ????b) b) Chipko movement ????c) c) Climate change ????d)d) Women rights
???????????? 342 ???? ????BOD is used f or the measurement of .... (Answer : C)
???????? ???????? ???????????? a) a) Atmospheric pollution ????b) b) Soil pollution ????c) c) Water pollution ????d)d) Nuclear pollution
???????????? 343 ???? ????Causative organisms of Malaria (Answer : C)
???????? ???????? ???????????? a) Bacteria b ????b) Fungus c ????c) Plasmodium d ????d)Virus
???????????? 344 ???? ????Component not released in the burning coal is... (Answer : D)
???????? ???????? ???????????? a) a) NO 2 ????b) b) SO 2 ????c) c) Fly Ash ????d)d) O 2
???????????? 345 ???? ????Death r ate of the population (Answer : A)
???????? ???????? ???????????? a) Mortality b ????b) Viability c ????c) Natality d ????d)Vitality
???????????? 346 ???? ????Ear muf fs or Cotton plugs are used to reduce pollution of..... (Answer : B)
???????? ???????? ???????????? a) a) Air ????b) b) Noise ????c) c) Thermal ????d)d) Nuclear
???????????? 347 ???? ????EIA is the (Answer : C)
???????? ???????? ???????????? a) a) Economic Inf ormation Awareness ????b) b) Environmental Inf ormation Awareness ????c) c)
Environmental Impact Assessment ????d)d) Environmental Impact Avoidance
???????????? 348 ???? ????El Nino (Answer : A)
???????? ???????? ???????????? a) a) a climate cycle in the Pacific Ocean impacting global weather patterns ????b) b) Cold current in the
Atlantic influencing South American weather ????c) c) An annual underwater phenomenon af f ecting global weather
????d)d) A sub-sahar an hot wind af f ecting global climate.
???????????? 349 ???? ????Environmental Protection Act was introduced in the year (Answer : A)
???????? ???????? ???????????? a) 1986 b ????b) 1988 c ????c) 1972 d ????d)1989
???????????? 350 ???? ????Example f or a bio-degr adable polymer is (Answer : C)
???????? ???????? ???????????? a) Polyethylene b ????b) Polypropylene c ????c) Poly lactic acid d ????d)Polyester
???????????? 351 ???? ????Exposure of human body to r adiation may cause... (Answer : D)
???????? ???????? ???????????? a) a) Polio ????b) b) Gastroenteritis ????c) c) Haemophilia ????d)d) Leukemia
???????????? 352 ???? ????Increased heart beat, constriction of blood vessels and dilation of pupil are symptoms of.... (Answer :
A)
???????? ???????? ???????????? a) a) Sound pollution ????b) b) Thermal pollution ????c) c) Air pollution ????d)d) Nuclear pollution
???????????? 353 ???? ????India Government passed the Air act in the year (Answer : B)
???????? ???????? ???????????? a) a) 1991 ????b) b) 1981 ????c) c) 1982 ????d)d) 2001
???????????? 354 ???? ????Inf ection of HIV is usually detected by which test (Answer : A)
???????? ???????? ???????????? a) Elisa test b ????b) Hybridization c ????c) Gr am staining d ????d)None
???????????? 355 ???? ????IPCC (Answer : C)
???????? ???????? ???????????? a) a) International Panel on Climate Change ????b) b) International Peace Conf erence f or Climate ????c) c)
Intergovernmental Panel on Climate Change ????d)d) Intercontinental Plans f or Continuous
???????????? 356 ???? ????Largest source of air pollution in cities are .... (Answer : C)
???????? ???????? ???????????? a) a) Industries ????b) b) Sewage ????c) c) Automobiles ????d)d) Tanneries
???????????? 357 ???? ????Leader of ?Narmada Bachao Andolan? (Answer : B)
???????? ???????? ???????????? a) Vandana Siva b ????b) Medha Patkar c ????c) Menaka Gandhi d ????d)Mayilamma
???????????? 358 ???? ????Minamata disease is due to... (Answer : A)
???????? ???????? ???????????? a) a) Mercury poisoning ????b) b) Lead poisoning ????c) c) Arsenic poisoning ????d)d) Cadmium poisoning
???????????? 359 ???? ????Mullaperiyar dam is in the district? (Answer : C)
???????? ???????? ???????????? a) Thrissur b ????b) Pathanamthitta c ????c) Idukki d ????d)Alappuzha.
???????????? 360 ???? ????National Maritime Day of India is celebr ated on ______________ (Answer : B)
???????? ???????? ???????????? a) October 16 b ????b) April 05 c ????c) March 21 d ????d)May 22
???????????? 361 ???? ????Natur al earthquakes are caused by __________ (Answer : A)
???????? ???????? ???????????? a) Earth?s crust b ????b) deep seas c ????c) peak mountains d ????d)f orests
???????????? 362 ???? ????Noise is _______________ (Answer : C)
???????? ???????? ???????????? a) Huge sound b ????b) Sound of vehicles c ????c) Undesir able and unwanted sound d ????d)Sound of
cr ackers
???????????? 363 ???? ????Of ficial date of Earth Day is on _________ (Answer : A)
???????? ???????? ???????????? a) April 22 b ????b) March 21 c ????c) May 22 d ????d)June 05
???????????? 364 ???? ????On which date was the Stockholm Conf erence on Human Environment held? (Answer : C)
???????? ???????? ???????????? a) July 6th 1974 b ????b) Aug 8th 1976 c ????c) June 5th 1972 d ????d)Dec 12th 1990
???????????? 365 ???? ????One third of the global cases of Tuberculosis is in (Answer : C)
???????? ???????? ???????????? a) Britain b ????b) Sweden c ????c) India d ????d)China
???????????? 366 ???? ????Organ af f ected by pneumonia (Answer : D)
???????? ???????? ???????????? a) Liver b ????b) Kidney c ????c) Heart d ????d)Lungs.
???????????? 367 ???? ????Ozone (Answer : A)
???????? ???????? ???????????? a) a) strong poisonous f orm of Oxygen with 3 atoms in a molecule ????b) b) A mix of various gases
f orming a protective cover ????c) c) Purest f orm of Oxygen which increases its supply on earth ????d)d) a strong and
protective compound from Oxygen and Hydrogen
???????????? 368 ???? ????Ozone in lower atmosphere is an example of ... (Answer : B)
???????? ???????? ???????????? a) a) Primary pollutant ????b) b) Secondary pollutant ????c) c) Tertiary pollutant ????d)d) Not a pollutant
???????????? 369 ???? ????Ozone layer is (Answer : A)
???????? ???????? ???????????? a) A) 20 ? 50 km above the surf ace of the earth ????b) B) 70 to 90 kms above the earth ????c) C) 30 ? 40
kms below the earth ????d)D) 20 ? 50 kms below the sea level.
???????????? 370 ???? ????Ozone layer is situated in which str ata of artmosphere? (Answer : B)
???????? ???????? ???????????? a) Thermosphere ????b) (b) str atosphere ????c) (c) ionosphere ????d)(d) mesosphere
???????????? 371 ???? ????Poisonous gas caused Bhopal gas tr agedy (Answer : A)
???????? ???????? ???????????? a) Methyl isocyanate ????b) (b) Ethyl isocyante ????c) (c) Methyl isocyanide ????d)(d) Ethyl isocyamide
???????????? 372 ???? ????Presence of E. coli in water is an indication of (Answer : A)
???????? ???????? ???????????? a) Fecal contamination (b ????b) Lead contamination (c ????c) Vir al contamination (d ????d)Mercury
contamination
???????????? 373 ???? ????Public awareness of environment creates ___________ (Answer : A)
???????? ???????? ???????????? a) Environment protection b ????b) Environment degr adation c ????c) Environmental improvement d
????d)Environmental cultivation
???????????? 374 ???? ????Public Health is not dependent on (Answer : C)
???????? ???????? ???????????? a) a) saf e drinking water ????b) b) suf ficient f ood ????c) c) competitive market conditions ????d)d) good
social conditions
???????????? 375 ???? ????Rain water harvesting is a ma jor method implemented f or_____________ (Answer : A)
???????? ???????? ???????????? a) Water Conservation b ????b) Soil Conservation c ????c) Forest conservation d ????d)Ecological
conservation
???????????? 376 ???? ????Salmonellosis is a disease related to consumption of (Answer : D)
???????? ???????? ???????????? a) Chicken b ????b) Eggs c ????c) Mutton d ????d)Fish
???????????? 377 ???? ????Soil pollution is caused by.... (Answer : D)
???????? ???????? ???????????? a) a) Industrial wastes ????b) b) Detergents ????c) c) Agrochemicals ????d)d) All of these
???????????? 378 ???? ????Some pollutants combine with hemoglobin and impede oxygen tr ansport. Such pollutants are...
(Answer : C)
???????? ???????? ???????????? a) a) SO 3 ????b) b) N2 O ????c) c) CO ????d)d) All of these
???????????? 379 ???? ????Spr aying of DDT to kill insects causes pollution of..... (Answer : D)
???????? ???????? ???????????? a) a) Air ????b) b) Water ????c) c) Soil ????d)d) All of these
???????????? 380 ???? ????Superbugs are (Answer : B)
???????? ???????? ???????????? a) Synthetic bug b ????b) Bacteria c ????c) Radio nucleotide d ????d)Industries
???????????? 381 ???? ????The 3 R principle in waste management involves (Answer : B)
???????? ???????? ???????????? a) Reduce, Regain, Reuse b ????b) Reduce, Reuse, Recycle c ????c) Reduce, Ref orm, Reset d ????d)Reduce,
Retain, Regain
???????????? 382 ???? ????The Anthr ax disease is caused by (Answer : B)
???????? ???????? ???????????? a) Virus b ????b) Bacteria c ????c) Protozoa d ????d)Helminthes
???????????? 383 ???? ????The chemical structure of Ozone is (Answer : B)
???????? ???????? ???????????? a) O 2 ????b) O3 ????c) O4 ????d)OZ3
???????????? 384 ???? ????The controversial dam across the river Narmada? (Answer : A)
???????? ???????? ???????????? a) Sardar Sarovar b ????b) Hir akud c ????c) Bhakr anangal d ????d)Sutlej.
???????????? 385 ???? ????The deadliest Tsunami in recorded history took place on (Answer : A)
???????? ???????? ???????????? a) 26-Dec-2004 b ????b) 26-Dec-2000 c ????c) 15-Nov-1990 d ????d)15-Dec-1999
???????????? 386 ???? ????The environmental stresses caused by urban individuals are expressed by (Answer : B)
???????? ???????? ???????????? a) Ecological pyr amid ????b) (b) Ecological f ootprint ????c) (c) Ecological indicators ????d)(d) Ecological index
???????????? 387 ???? ????The Expansion of SPCA (Answer : B)
???????? ???????? ???????????? a) Society f or the Protection of Common Animals b ????b) Society f or the Prevention of Cruelty to
Animals c ????c) Society f or the Prohibition of Cruelty to Animals d ????d)none
???????????? 388 ???? ????The expansion on PQLI is (Answer : A)
???????? ???????? ???????????? a) physical quality of lif e index b ????b) population quotient of lif e in India c ????c) poor quality of lif e in
India d ????d)poverty, quality of lif e in India
???????????? 389 ???? ????The f unction of ozone layer (Answer : C)
???????? ???????? ???????????? a) a) to prevent strong wind and r ains ????b) b) to f acilitate precipitation at lower levels ????c) c) to protect
earth from sun?s harmf ul ultr a-violet r adiation ????d)d) to increase the supply of oxygen
???????????? 390 ???? ????The historical monument that is af f ected by acid r ain is (Answer : A)
???????? ???????? ???????????? a) Ta j Mahal b ????b) Pyr amid of Egypt c ????c) Pisa T ower d ????d)Golden Temple
???????????? 391 ???? ????The intensity of earthquake is measured in ____________ (Answer : B)
???????? ???????? ???????????? a) Beauf ort scale b ????b) Richter scale c ????c) Mohs scale d ????d)Joules
???????????? 392 ???? ????The ma jor cause of depletion of ozone layer in the atmosphere is... (Answer : B)
???????? ???????? ???????????? a) a) Freon Gases ????b) b) CFC ????c) c) N 2 O ????d)d) CO 2
???????????? 393 ???? ????The ma jor reason why earth?s surf ace increases its temper ature is due to (Answer : C)
???????? ???????? ???????????? a) a) The earth?s surf ace is getting exposed ????b) b) The increase in the use of plastics ????c) c) About
75% of the solar energy reaching the earth surf ace is getting absorbed by earth ????d)The depleation of ozone
???????????? 394 ???? ????The method of simultaneous integr ation of trees with agricultur al crops is called (Answer : A)
???????? ???????? ???????????? a) Agro f orestry b ????b) Def orestation c ????c) Ref orestation d ????d)combined culture
???????????? 395 ???? ????The most widely f ound pollutant in the air is..... (Answer : A)
???????? ???????? ???????????? a) a) CO 2 ????b) b) CFC ????c) c) CO ????d)d) SO 2
???????????? 396 ???? ????The movement ?Pani Pan jayath? was initiated to conserve waters in the drought prone areas of
...................state. (Answer : C)
???????? ???????? ???????????? a) Tamilnadu b ????b) Ra jasthan c ????c) Mahar ashtr a d ????d)Karnataka
???????????? 397 ???? ????The nations threatened by submergence on account of global warming (Answer : D)
???????? ???????? ???????????? a) a) Pakistan and Afghanistan ????b) b) Ir an and Bangladesh ????c) c) Peru and West Indies ????d)d)
Bangladesh and Maldives
???????????? 398 ???? ????The pro jected rise in sea level in the near f uture (Answer : C)
???????? ???????? ???????????? a) a) 1.5 m ????b) b) 1.2 cm to 2.2 cm ????c) c) 9 cm to 88 cm ????d)d) 10 cm to 20 cm
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???????????? 12 ???? ????World Environment Day (Answer : A)
???????? ???????? ???????????? a) 5th June ????b) 5th July ????c) 5th August ????d)5th September
???????????? 13 ???? ????The biggest award f or environmental activities in India is given in the name of an individual. In whose
name is it constituted? (Answer : C)
???????? ???????? ???????????? a) Lal Bahadur Shasthri ????b) Mor ar ji Desai ????c) Indir a Gandhi ????d)Kamar a j.
???????????? 14 ???? ????All f orms of water that comes down on Earth, including r ain, snow, hail etc. is known as _____________
(Answer : C)
???????? ???????? ???????????? a) Calcification ????b) Fixation ????c) Precipitation ????d)Accumulation
???????????? 15 ???? ????The ocean covers ________ percentage of Earth?s surf ace. (Answer : C)
???????? ???????? ???????????? a) 515 ????b) 0.61 ????c) 0.71 ????d)0.91
???????????? 16 ???? ????The portion of the earth and its environment which can support lif e is known as _________ (Answer : B)
???????? ???????? ???????????? a) Crust ????b) Biosphere ????c) Exosphere ????d)Atmosphere
???????????? 17 ???? ????What is troposphere? (Answer : C)
???????? ???????? ???????????? a) Portion of air ????b) Portion of water ????c) Lowest layer of atmosphere where we survive
????d)Portion of sky
???????????? 18 ???? ????The main energy source f or the environment is ________ (Answer : A)
???????? ???????? ???????????? a) Solar energy ????b) Chemical energy ????c) Bioelectric energy ????d)Electrical energy
???????????? 19 ???? ????What is UNCED? (Answer : C)
???????? ???????? ???????????? a) United Nations Conf erence on Education ????b) United Nations Conf erence on Environmental Day
????c) United Nations Conf erence on Environment and Development ????d)None of these.
???????????? 20 ???? ????Atmospheric humidity is measured by (Answer : C)
???????? ???????? ???????????? a) Auxanometer ????b) Photometer ????c) Hygrometer ????d)None
???????????? 21 ???? ????The area to which a species is biologically adapted to live is known (Answer : B)
???????? ???????? ???????????? a) Niche ????b) Habitat ????c) Succession ????d)Community
???????????? 22 ???? ????Study of inter-relationship between organisms and their environment is called (Answer : A)
???????? ???????? ???????????? a) Ecology ????b) Ecosystem ????c) Phytogeogr aphy ????d)Ethology
???????????? 23 ???? ????The term Ecology was coined by (Answer : B)
???????? ???????? ???????????? a) A.G.Tansley ????b) Earnst Haeckel ????c) Aristotle ????d)Linnaeus
???????????? 24 ???? ????An example of an abiotic component (Answer : B)
???????? ???????? ???????????? a) Plants ????b) Soil ????c) Animals ????d)Bacteria
???????????? 25 ???? ????The area to which a species is biologically adapted to live is known (Answer : B)
???????? ???????? ???????????? a) Niche ????b) Habitat ????c) Succession ????d)Community
???????????? 26 ???? ????The objective of environmental education is (Answer : D)
???????? ???????? ???????????? a) Raise consciousness about environmental education ????b) T o teach environmentally appropriate
behaviour ????c) Create an environmental ethic that f osters awareness about ecological inter-dependence of economics,
social and political ????d)All of the above
???????????? 27 ???? ????Which of the f ollowing is not influenced by human activities? (Answer : A)
???????? ???????? ???????????? a) Depletion of ground water ????b) Destruction of mangroves and wetlands ????c) Increased extinction
r ate of species ????d)None of the above
???????????? 28 ???? ????Environmental education is important only at (Answer : D)
???????? ???????? ???????????? a) Primary school stage ????b) Secondary school stage ????c) Collage stage ????d)All stages
???????????? 29 ???? ????Which of the f ollowing conceptual components of the environment are ef f ective tr ansporters of
matter? (Answer : A)
???????? ???????? ???????????? a) Atmosphere and hydrosphere ????b) (b) Atmosphere and lithosphere ????c) (c) Hydrosphere and
lithosphere ????d)(d) Lithosphere and biosphere
???????????? 30 ???? ????Biosphere is (Answer : B)
???????? ???????? ???????????? a) (a) The solid shell of inorganic materials on the surf ace of the Earth ????b) (b) The thin shell of
organic matter on the surf ace of earth comprising of all the living things ????c) (c) The sphere which occupies the
maximum volume of all the spheres ????d)(d) All of the above
???????????? 31 ???? ????Which of the f ollowing conceptual sphere of the environment is having the least stor age capacity f or
matter? (Answer : A)
???????? ???????? ???????????? a) (a) Atmosphere ????b) (b) Lithosphere ????c) (c) Hydrosphere ????d)(d) Biosphere
???????????? 32 ???? ????Which of the f ollowing is an example of impact of development activities on the Hydrosphere? (Answer
: D)
???????? ???????? ???????????? a) (a) Air pollution ????b) (b) Soil pollution ????c) (c) Soil erosion ????d)(d) Water pollution
???????????? 33 ???? ????Weather occurs in the Earths: (Answer : A)
???????? ???????? ???????????? a) (a) Troposhere ????b) (b) Mesophere ????c) (c) Ionosphere ????d)(d) Thermosphere
???????????? 34 ???? ????Biosphere is a term used to represent the: (Answer : C)
???????? ???????? ???????????? a) (a) Entire atmosphere consisting of troposphere, str atosphere, mesosphere, and thermosphere
????b) (b) Entire hydrosphere-representing the entire collection of water over the Earth as well as inside the Earth ????c) (c)
A small zone of Earth, where the lithosphere, hydrosphere, and atmosphere come in contact with one another ????d)(d)
Entire lithosphere-representing the solid Earth and its interior
???????????? 35 ???? ????The term ecology was introduced by: (Answer : A)
???????? ???????? ???????????? a) (a) Haeckel ????b) (b) Odum ????c) (c) Tansely ????d)(d) Ramdeo Mishr a
???????????? 36 ???? ????The study of inter actions between living and non-living organisms and environment is called (Answer :
B)
???????? ???????? ???????????? a) (a) Ecosystem ????b) (b) Ecology ????c) (c) Phyto-geogr aphy ????d)(d) Phytosociology
???????????? 37 ???? ????An ecosystem consist of (Answer : D)
???????? ???????? ???????????? a) (a) Green plants and animals ????b) (b) Green plants and decomposers ????c) (c) Producers and
consumers ????d)(d) Green plants, animals, decomposers and abiotic environment
???????????? 38 ???? ????The environment which has been modified by human activities is called (Answer : B)
???????? ???????? ???????????? a) (a) Natur al environment ????b) (b) Anthropogenic environment ????c) (c) Modem environment ????d)(d)
Urban environment
???????????? 39 ???? ????Which of the f ollowing statements is not true? (Answer : C)
???????? ???????? ???????????? a) (a) Inorganic nutrients are recycled in an ecosystem ????b) (b) Energy flows through the ecosystem
in the f orm of C-C bonds ????c) (c) Energy is recycled in an ecosystem ????d)(d) Respir ation process releases energy
???????????? 40 ???? ????Driving f orce in an ecosystem is (Answer : C)
???????? ???????? ???????????? a) (a) Plants ????b) (b) Producers ????c) (c) Solar energy ????d)(d) Biomass energy
???????????? 41 ???? ????Physical and chemical components of an ecosystem constitute (Answer : C)
???????? ???????? ???????????? a) (a) Biotic structure ????b) (b) Abioltic structure ????c) (c) Both of these ????d)(d) None of these
???????????? 42 ???? ????Which one of the f ollowing is an abiotic component of the ecosystem? (Answer : C)
???????? ???????? ???????????? a) (a) Bacteria ????b) (b) Plants ????c) (c) Humus ????d)(d) Fungi
???????????? 43 ???? ????Which of the f ollowing is a possible producer in an ecosystem? (Answer : A)
???????? ???????? ???????????? a) (a) Plants ????b) (b) Animals ????c) (c) Human beings ????d)(d) Fish
???????????? 44 ???? ????The organisms which f eed on dead organisms and excreta of living organisms are known (Answer : A)
???????? ???????? ???????????? a) (a) Decomposers ????b) (b) Consumers ????c) (c) Producers ????d)(d) Carnivores
???????????? 45 ???? ????A trophic level ref ers to: (Answer : C)
???????? ???????? ???????????? a) (a) Area in the tropics ????b) (b) An organism?s portion in a f ood chain ????c) (c) An organism?s
position in an ecosystem ????d)(d) An organism?s position in a biome
???????????? 46 ???? ????In a f ood chain animals constitute the: (Answer : C)
???????? ???????? ???????????? a) (a) First trophic level ????b) (b) Second trophic level ????c) (c) Intermediate trophic level ????d)(d)
Ultimate trophic level
???????????? 47 ???? ????The f ood chain in which microorganisms breakdown dead producers is called: (Answer : D)
???????? ???????? ???????????? a) (a) Consumer f ood chain ????b) (b) Predator f ood chain ????c) (c) Par asitic f ood chain ????d)(d) Detritus
f ood chain
???????????? 48 ???? ????Food chain starts with (Answer : A)
???????? ???????? ???????????? a) (a) Producer ????b) (b) Herbivores ????c) (c) Carnivores ????d)(d) Omnivores
???????????? 49 ???? ????In a f ood chain, humans are (Answer : D)
???????? ???????? ???????????? a) (a) Secondary consumers ????b) (b) Primary consumer ????c) (c) Producers ????d)(d) Primary and
secondary consumers both
???????????? 50 ???? ????Which one is the correct f ood chain? (Answer : A)
???????? ???????? ???????????? a) (a) Phytoplankton ?? Zooplankton ?? Fish ????b) (b) Zooplankton ?? Phytoplankton ?? Fish ????c)
(c) Zooplankton ?? Protozoans ?? Fish ????d)(d) Gr ass ?? Fish ?? Zooplankton
???????????? 51 ???? ????A f ood web consists of (Answer : A)
???????? ???????? ???????????? a) (a) Interlocking f ood chains ????b) (b) Producers, consumers and decomposers ????c) (c) A portion of
a f ood chain ????d)(d) A set of similar consumers
???????????? 52 ???? ????Food webs are (Answer : C)
???????? ???????? ???????????? a) (a) One kind of f ood ????b) (b) Not related to f ood chains at all ????c) (c) Inter-connected arr angement
of f ood chains ????d)(d) Linear arr angement of f ood chains
???????????? 53 ???? ????Pyr amid of number is given by (Answer : C)
???????? ???????? ???????????? a) (a) Haeckel ????b) (b) Odum ????c) (c) Elton ????d)(d) Tansely
???????????? 54 ???? ????Which ecological pyr amid is always upright? (Answer : C)
???????? ???????? ???????????? a) (a) Pyr amid of number ????b) (b) Pyr amid of biomass ????c) (c) Pyr amid of energy ????d)(d) Pyr amid of
number and biomass
???????????? 55 ???? ????An ecological pyr amid ref ers to the (Answer : D)
???????? ???????? ???????????? a) (a) Pyr amid of energy ????b) (b) Pyr amid of number ????c) (c) Pyr amid of biomass ????d)(d) All of the
above
???????????? 56 ???? ????An ecosystem may not undergo changes because: (Answer : A)
???????? ???????? ???????????? a) (a) It is in a state of homeostasis ????b) (b) It has plants and animals both ????c) (c) It gets solar
energy continuously ????d)(d) The decomposers are present in it
???????????? 57 ???? ????Energy flow in an ecosystem is always: (Answer : A)
???????? ???????? ???????????? a) (a) Unidirectional ????b) (b) Cyclic ????c) (c) Reversible ????d)(d) Multi-directional
???????????? 58 ???? ????The primary producers in a f orest ecosystem are: (Answer : A)
???????? ???????? ???????????? a) (a) Chlorophyll containing trees and plants ????b) (b) Herbivores ????c) (c) Carnivores ????d)(d) Bacteria
and other micro-organism
???????????? 59 ???? ????The desert among the f ollowing which is not a cold desert is: (Answer : D)
???????? ???????? ???????????? a) (a) Golbi desert ????b) (b) Patagonian desert ????c) (c) Atacama desert ????d)(d) Ma java desert
???????????? 60 ???? ????The darker zone in lakes where light penetr ation is negligible is called the: (Answer : D)
???????? ???????? ???????????? a) (a) Euphotic zone ????b) (b) Littor al zone ????c) (c) Limnetic zone ????d)(d) Benthic zone
???????????? 61 ???? ????The zone of a sea lying over the continental shelf is known as the: (Answer : B)
???????? ???????? ???????????? a) (a) Bathyl zone ????b) (b) Neritic zone ????c) (c) Abyssal zone ????d)(d) Littor al zone
???????????? 62 ???? ????Which one of the f ollowing is not a fresh water biome? (Answer : A)
???????? ???????? ???????????? a) (a) Lotic ????b) (b) Lentic ????c) (c) Spings ????d)(d) Deep sea
???????????? 63 ???? ????Tendency of pollutants to become concentr ated in successive trophic levels is known as: (Answer : A)
???????? ???????? ???????????? a) (a) Biomagnification ????b) (b) Biorhythm ????c) (c) Bioremediation ????d)(d) Biopir acy
???????????? 64 ???? ????Eutrophication is: (Answer : B)
???????? ???????? ???????????? a) (a) An improved water quality status of lakes ????b) (b) The result of accumulation of plant nutrients
in water bodies ????c) (c) A process in the carbon cycle ????d)(d) A water purification technique
???????????? 65 ???? ????Increase in f auna and decrease in flor a would be harmf ul due to increase in: (Answer : B)
???????? ???????? ???????????? a) (a) Diseases ????b) (b) CO ????c) (c) O2 ????d)(d) Radioactive pollution
???????????? 66 ???? ????The largest reservoir of nitrogen an our planet is: (Answer : B)
???????? ???????? ???????????? a) (a) Ocean ????b) (b) Atmosphere ????c) (c) Biosphere ????d)(d) Fossil f uels
???????????? 67 ???? ????Overgr azing results in: (Answer : A)
???????? ???????? ???????????? a) (a) Soil erosion ????b) (b) Retention of usef ul species ????c) (c) Productive soils ????d)(d) All of the
above
???????????? 68 ???? ????In the world, the economy of the India is: (Answer : D)
???????? ???????? ???????????? a) (a) Largest ????b) (b) Third largest ????c) (c) Second largest ????d)(d) Fourth largest
???????????? 69 ???? ????In services output, India is: (Answer : C)
???????? ???????? ???????????? a) 10 ????b) 12 ????c) 15 ????d)4
???????????? 70 ???? ?????Smog? is a mixture of (Answer : A)
???????? ???????? ???????????? a) a) Smoke and Fog ????b) (b) Snow and Fog ????c) ( c) Snow and Dust ????d)(d) Sulphur Dioxide and
Fog
???????????? 71 ???? ????A liquid f uel that was f ormed from the ancient remains of sea plants and animals is (Answer : B)
???????? ???????? ???????????? a) Natur al gasb ????b) Petroleumc ????c) Geothermal energyd ????d)Coal
???????????? 72 ???? ????A poisonous gas given out of vehicles exhaust is (Answer : A)
a) Carbon monoxideb ????b) Ethanec ????c) Methaned ????d)Carbon dioxide
???????????? 73 ???? ????A product of photosynthesis is (Answer : C)
???????? ???????? ???????????? a) Carbon dioxideb ????b) Waterc ????c) Oxygend ????d)Chlorophyll
???????????? 74 ???? ????Atmosphere consists of 79 percent Nitrogen and 21 percent Oxygen by (Answer : B)
???????? ???????? ???????????? a) Volumeb ????b) Weightc ????c) Densityd ????d)All of these
???????????? 75 ???? ????Biogas contains mainly (Answer : B)
???????? ???????? ???????????? a) Carbon dioxideb ????b) Methanec ????c) Butaned ????d)Propane
???????????? 76 ???? ????Carbon dioxide constitutes about 0.03% of the atmosphere (Answer : A)
???????? ???????? ???????????? a) By volume(b ????b) By weight(c ????c) By mass(d ????d)None of these
???????????? 77 ???? ????Development activities on the hydrosphere cause (Answer : C)
???????? ???????? ???????????? a) Air pollutionb ????b) Soil pollutionc ????c) Water pollutiond ????d)Soil erosion
???????????? 78 ???? ????Energy flow in an ecosystem is (Answer : C)
???????? ???????? ???????????? a) Bidirectionalb ????b) Unidirectionalc ????c) Multidirectionald ????d)All rounds
???????????? 79 ???? ????Energy from the heat inside the earth is (Answer : B)
???????? ???????? ???????????? a) a Natur al gas ????b) Geothermalc ????c) Petroleumd ????d)Terr athermal
???????????? 80 ???? ????Energy in the r ays from the sun is called (Answer : A)
???????? ???????? ???????????? a) Solar energyb ????b) Wind energyc ????c) Tidal energyd ????d)Water energy
???????????? 81 ???? ????Environment is the lif e support system that includes (Answer : D)
???????? ???????? ???????????? a) Airb ????b) Waterc ????c) Landd ????d)All of the above
???????????? 82 ???? ????Extensive planting of trees to increase cover is called (Answer : A)
???????? ???????? ???????????? a) Af f orestation(b ????b) Agrof orestation(c ????c) Def orestation(d ????d)Social f orestry
???????????? 83 ???? ????Extensive planting of trees to increase f orest cover is called (Answer : A)
???????? ???????? ???????????? a) Af f orestation, b ????b) Agrof orestry, c ????c) Def orestation, d ????d)Social f orestry
???????????? 84 ???? ????Forest and wild lif e are (Answer : A)
???????? ???????? ???????????? a) Renewable resource(b ????b) Non-renewable resources (c ????c) Inexhaustible resources (d ????d)None
of these
???????????? 85 ???? ????Forests prevent soil erosion by binding soil particles in their (Answer : B)
???????? ???????? ???????????? a) Leaves(b ????b) Roots(c ????c) Buds(d ????d)Stems
???????????? 86 ???? ????Formation of hole in Ozone is maximum over (Answer : C)
???????? ???????? ???????????? a) Indiab ????b) Europec ????c) Antarcticad ????d)Africa
???????????? 87 ???? ????Fossil f uel and metallic miner als are: (Answer : C)
???????? ???????? ???????????? a) Renewable resource (b ????b) Inexhaustible resources (c ????c) Non-renewable resources (d ????d)None
of these
???????????? 88 ???? ????Green house ef f ect is linked to (Answer : C)
???????? ???????? ???????????? a) Nitrogen oxidesb ????b) Sulphur dioxidesc ????c) Carbon dioxidesd ????d)Carbon monoxides
???????????? 89 ???? ????In our country the percentage of land under f orest is about: (Answer : B)
???????? ???????? ???????????? a) 20%(b ????b) 19%(c ????c) 25%(d ????d)30%
???????????? 90 ???? ????In respect of water crisis, there have been conflicts/disputes between two countries, or states of the
same country. Which of the f ollowing has never been the case of water conflict? (Answer : D)
???????? ???????? ???????????? a) Cauvery water dispute between Tamil Nadu and Karnataka (b ????b) Yamuna-Betwa dispute between
U.P. and M.P. (c ????c) Sutlej Yamuna Link (SYL ????d)canal dispute between Pun jab and Haryana (d
???????????? 91 ???? ????Instrumentation technology used to locate suitable places f or mining (Answer : C)
???????? ???????? ???????????? a) a) Microscope ????b) b) Salinometer ????c) c) GIS ????d)d) camer a tr ap
???????????? 92 ???? ????Kaveri water dispute is in between: (Answer : D)
???????? ???????? ???????????? a) India and Pakistan (b ????b) Pun jab and Haryana (c ????c) Uttar Pr adesh and Madhya Pr adesh (d
????d)Karnataka and Tamil Nadu
???????????? 93 ???? ????Khetri (Ra jasthan) is f amous f or: (Answer : B)
???????? ???????? ???????????? a) Coal mines(b ????b) Copper mines(c ????c) Gr anite stone(d ????d)Marble stone
???????????? 94 ???? ????Main source of acid r ain is (Answer : A)
???????? ???????? ???????????? a) Sulphur dioxideb ????b) Nitrogenc ????c) Carbon dioxided ????d)Carbon monoxide
???????????? 95 ???? ????Ma jor consumer of wood from f orest is ___________ (Answer : B)
???????? ???????? ???????????? a) Thermal Power Plant ????b) Paper Industry ????c) Chemistry Industry ????d)none
???????????? 96 ???? ????Moisture in the air is known as (Answer : D)
???????? ???????? ???????????? a) a) Water ????b) (b) Fog ????c) ( c) Snow ????d)(d) Humidity
???????????? 97 ???? ????Name the country which virtually closed cod fishery in the 1990?s due to depletion of fish reserves
(Answer : A)
???????? ???????? ???????????? a) a) Canada ????b) b) Argentina ????c) c) Italy ????d)d) India
???????????? 98 ???? ????Name the financial agency which hesistate to support the Sardar Sarovar Pro ject in India in 1993 a result
of the demands of local people threatened with the loss of their livelihoods and homes in the submergence area.
(Answer : B)
???????? ???????? ???????????? a) a) Swiss bank ????b) b) World Bank ????c) c) Bank of India ????d)d) International Monetary Fund
???????????? 99 ???? ????Nitrogen constitutes about 78% of the atmosphere (Answer : C)
???????? ???????? ???????????? a) By weight(b ????b) By mass(c ????c) By volume(d ????d)None of these
???????????? 100 ???? ????Noise is measured by sound meter and the unit is (Answer : C)
???????? ???????? ???????????? a) Hertzb ????b) Joulec ????c) Decibeld ????d)Seconds
???????????? 101 ???? ????One of India?s serious environmental problems is f orest degr adation. What is the main cause of f orest
degr adation? (Answer : A)
???????? ???????? ???????????? a) timber extr action ????b) honey extr action ????c) high altitude ????d)Low Rainf all
???????????? 102 ???? ????Ozone day is observed on (Answer : B)
???????? ???????? ???????????? a) 3rd Januaryb ????b) 16th Septemberc ????c) 10th Novemberd ????d)26th March
???????????? 103 ???? ????Ozone Umbrella is located in which layer of atmosphere (Answer : B)
???????? ???????? ???????????? a) a) Troposphere ????b) (b) Str atosphere ????c) (c) Mesosphere ????d)(d) Ionosphere
???????????? 104 ???? ????Peeling of Ozone umbrella, which protects us from UV r ays, is caused by (Answer : B)
???????? ???????? ???????????? a) Carbon monoxideb ????b) CFCsc ????c) Coal burningd ????d)Methane
???????????? 105 ???? ????Soil erosion removes surf ace soil which contains (Answer : A)
???????? ???????? ???????????? a) Organic matterb ????b) Plant nutrientsc ????c) Both a and bd ????d)none of the above
???????????? 106 ???? ????Sustainable development means (Answer : C)
???????? ???????? ???????????? a) a. meeting present needs without compromising on f uture needs ????b) b. progress of human beings
????c) c. balance between human needs and the ability of earth to provide the resources ????d)d. all of the above
???????????? 107 ???? ????The adverse ef f ect of modern agriculture is (Answer : B)
???????? ???????? ???????????? a) Water pollutionb ????b) Soil degr adationc ????c) Water loggingd ????d)All of the above
???????????? 108 ???? ????The f ossil f uel that is derived from the dead remains of plants that grew some 250 million years ago is
(Answer : C)
???????? ???????? ???????????? a) Petroleumb ????b) Natur al gasc ????c) Coald ????d)LPG
???????????? 109 ???? ????The impact of construction of dams (Answer : D)
???????? ???????? ???????????? a) Submerged f orest b ????b) Loss of wild lif e habitat c ????c) Damages downstream ecosystem d ????d)All
of the above
???????????? 110 ???? ????The ma jor cause f or land degr adation in our country is (Answer : A)
???????? ???????? ???????????? a) Soil erosion(b ????b) Pollution of soil(c ????c) Water-logging(d ????d)None of the above
???????????? 111 ???? ????The ma jor reason f or floods in the rivers Ganges and Br ahmaputr a is ________ (Answer : B)
???????? ???????? ???????????? a) a) Dams in Himalayas ????b) b) Def orestation in Himalayas ????c) c) Heavy r ains ????d)d) Melting of ice
???????????? 112 ???? ????The method of r ainwater harvesting which can be adopted by individual house owners is (Answer : D)
???????? ???????? ???????????? a) Construction of recharge trenches (b ????b) On channel stor age of water (c ????c) Creation of new
water bodies (d ????d)Roof-top r ainwater harvesting
???????????? 113 ???? ????The percentage of total world?s precipitation, which is lost to the atmosphere through evapor ation,
approximates to: (Answer : A)
???????? ???????? ???????????? a) 57%(b ????b) 7%(c ????c) 37%(d ????d)43%
???????????? 114 ???? ????The process of restoring f orests that once existed but was removed at some time in the past is known
as (Answer : B)
???????? ???????? ???????????? a) Af f orestationb ????b) Ref orestationc ????c) Def orestationd ????d)None of these
???????????? 115 ???? ????The share of Hydropower (Hydel pro jects) in worlds commercial electricity production is less than ________
(Answer : D)
???????? ???????? ???????????? a) 2.00% ????b) 4.00% ????c) 12.00% ????d)20.00%
???????????? 116 ???? ????The species restricted to be present in one region are called (Answer : B)
???????? ???????? ???????????? a) Edge speciesb ????b) Endemic species c ????c) Endangered species d ????d)Keystone species
???????????? 117 ???? ????The teeth are likely to be pitted, more susceptible to cavities and wear, when the fluoride concentr ation
is: (Answer : D)
???????? ???????? ???????????? a) More than 2 mg/1 (b ????b) More than 40 mg/1 (c ????c) More than 20 mg/1 (d ????d)More than 4 mg/1
???????????? 118 ???? ????The term ?Environment? has been derived from the French word which means to encircle or surround
(Answer : A)
???????? ???????? ???????????? a) Environb ????b) Oikosc ????c) Geod ????d)Aqua
???????????? 119 ???? ????Wetlands in the flood plains of rivers are also considered as nature?s ________ (Answer : C)
???????? ???????? ???????????? a) a) Heat sink ????b) b) carbon sink ????c) c) flood control systems ????d)d) swimming pool
???????????? 120 ???? ????What are rodenticides? (Answer : C)
???????? ???????? ???????????? a) that kill fishes ????b) that kill insects ????c) that kill r ats ????d)that kill crocos
???????????? 121 ???? ????What is Kyoto Protocol? (Answer : A)
???????? ???????? ???????????? a) a. It is an agreement among countries to take steps f or reducing global warming. ????b) b. It is an
agreement among countries to take steps f or reducing acid r ain. ????c) c. It is an agreement among countries to take steps
f or planting trees to control pollution. ????d)d. It is an agreement among countries to start using nuclear energy.
???????????? 122 ???? ????What is the ma jor limiting f actor in the arid areas of our country? (Answer : C)
???????? ???????? ???????????? a) a) Money ????b) b) f orests ????c) c) water ????d)d) soil
???????????? 123 ???? ????What kind of people are the most ill-af f ected by the construction of dams? (Answer : D)
???????? ???????? ???????????? a) a) Urban dwellers ????b) b) beach dwellers ????c) c) tourists ????d)d) tribal people
???????????? 124 ???? ????When fluoride concentr ation in H2O exceeds about 1.5 mg/1, the disease that may be caused, is
(Answer : B)
???????? ???????? ???????????? a) Dental caries in children(b ????b) Fluorosis(c ????c) Polymyelitis(d ????d)Methemoglobinemia
???????????? 125 ???? ????Which among the f ollowing is a sedimentary type of cycle? (Answer : A)
???????? ???????? ???????????? a) Sulphur cycle(b ????b) Nitrogen cycle(c ????c) Oxygen cycle(d ????d)Carbon cycle
???????????? 126 ???? ????Which gas is responsible f or ozone layer depletion around earth? (Answer : B)
???????? ???????? ???????????? a) Carbon dioxideb ????b) Chlorofluorocarbonsc ????c) Oxygend ????d)Nitrogen oxide
???????????? 127 ???? ????Which gas is responsible f or the global warming? (Answer : B)
???????? ???????? ???????????? a) Nitrogenb ????b) Carbon dioxidec ????c) Noble gasesd ????d)Hydrogen
???????????? 128 ???? ????Which is a list of renewable resources? (Answer : D)
???????? ???????? ???????????? a) Petroleum, geothermal, wind b ????b) Biomass, geothermal, hydropower c ????c) Natur al gas, wind,
biomass d ????d)Hydropower, solar, wind energy
???????????? 129 ???? ????Which is the only country who has not r atified the Kyoto Protocol yet? (Answer : A)
???????? ???????? ???????????? a) United States ????b) Austr alia ????c) Japan ????d)India
???????????? 130 ???? ????Which of below items is the ma jor sector which extr acts most of fresh water available f or utilization?
(Answer : D)
???????? ???????? ???????????? a) domestic use ????b) drinking water ????c) bever age industry ????d)agriculture
???????????? 131 ???? ????Which of the f ollowing are consequences of ozone depletion (Answer : A)
???????? ???????? ???????????? a) Skin cancer and catar actb ????b) Reduced growth in plants c ????c) Shortening of zooplanktons and
their breeding period d ????d)All of the above
???????????? 132 ???? ????Which of the f ollowing are ma jor environmental issues involved in mining? (Answer : D)
???????? ???????? ???????????? a) air pollutionb ????b) water pollutionc ????c) soil degr adationd ????d)all of the above
???????????? 133 ???? ????Which of the f ollowing ef f ect is responsible f or Global Warming? (Answer : A)
???????? ???????? ???????????? a) Green house ef f ectb ????b) Radioactive ef f ectc ????c) Solar ef f ectd ????d)Nuclear ef f ect
???????????? 134 ???? ????Which of the f ollowing is management option f or air pollution? (Answer : D)
???????? ???????? ???????????? a) Regulations and standardsb ????b) Tr ansport planningc ????c) Using CNG as f ueld ????d)All of these
???????????? 135 ???? ????Which of the f ollowing is not a method f or water conservation? (Answer : B)
???????? ???????? ???????????? a) Rainwater harvesting(b ????b) Groundwater extr action (c ????c) Improving irrigation ef ficiency (d
????d)Avoiding water wastage
???????????? 136 ???? ????Which of the f ollowing is not a viable protection against def orestation? (Answer : C)
???????? ???????? ???????????? a) Reduce the consumption of f orest and related products (b ????b) Boycott products of companies
involve in def orestation (c ????c) Privatisation of f orest land (d ????d)Environmental education
???????????? 137 ???? ????Which of the f ollowing is not influenced by human activities? (Answer : D)
???????? ???????? ???????????? a) Destruction of mangroves and wetlands b ????b) Depletion of ground water c ????c) Increased
extinction r ate of species d ????d)None of the above
???????????? 138 ???? ????Which of the f ollowing is not true about def orestation? (Answer : C)
???????? ???????? ???????????? a) Population explosion is one of the reasons f or def orestation (b ????b) Cleaning of f orest f or
agriculture causes def orestation. (c ????c) Def orestation is taking place only in developing courtiers. (d ????d)Cash crop
economy of third world is a cause of def orestation.
???????????? 139 ???? ????Which of the f ollowing is responsible f or desertification? (Answer : D)
???????? ???????? ???????????? a) Def orestation(b ????b) Mining(c ????c) Overgr azing(d ????d)All of the above
???????????? 140 ???? ????Which of the f ollowing statements about the f orest is not correct? (Answer : D)
???????? ???????? ???????????? a) Forest reduces soil erosion (b ????b) Provides recreational opportunities (c ????c) Provides economic
development (d ????d)None of the above
???????????? 141 ???? ????Which of these is not a f ossil f uel? (Answer : D)
???????? ???????? ???????????? a) Coalb ????b) Oilc ????c) Natur al gasd ????d)Ur anium
???????????? 142 ???? ????Which one of the f ollowing is not an ideal solution f or tackling water shortages? (Answer : D)
???????? ???????? ???????????? a) Controlling population growth (b ????b) Conserving water in irrigation (c ????c) Controlling water
pollution (d ????d)Drilling large number of deep bore wells
???????????? 143 ???? ????Which one of the f ollowing regions in India is a hotspot of biodiversity? (Answer : B)
???????? ???????? ???????????? a) Sundarbansb ????b) Western Ghatsc ????c) Eastern Ghatsd ????d)Gangetic plains
???????????? 144 ???? ????World environment day is on: (Answer : B)
???????? ???????? ???????????? a) 5th Mayb ????b) 5th Junec ????c) 18th Julyd ????d)16th August
???????????? 145 ???? ????World Forest day is celebr ated on (Answer : A)
???????? ???????? ???????????? a) 21st March b ????b) 5th June c ????c) 1st Dec d ????d)7th June
???????????? 146 ???? ????Yellowing of Ta j Mahal is an ef f ect of (Answer : A)
???????? ???????? ???????????? a) Acid r ainb ????b) Global warmingc ????c) Ozone depletiond ????d)All of the above
???????????? 147 ???? ????Green Revolution in India was initiated by __________ (Answer : A)
???????? ???????? ???????????? a) M.S. Swaminathan ????b) Sunderlal Bahuguna ????c) Kurien ????d)Medha Patkar
???????????? 148 ???? ????Who wrote the book Violence of Green Revolution (Answer : A)
???????? ???????? ???????????? a) Vandana Siva ????b) Sheela Dikshit ????c) Menaka Gandhi ????d)Arundhathi Roy.
???????????? 149 ???? ????World Forest day is celebr ated on (Answer : A)
???????? ???????? ???????????? a) 21st March ????b) 5th June ????c) 1st Dec ????d)7th June
???????????? 150 ???? ????The Chipko movement is started by (Answer : B)
???????? ???????? ???????????? a) Engler ????b) Sunderlal Bahuguna ????c) Medha Padkar ????d)None of these
???????????? 151 ???? ????Green revolution is associated with _________ (Answer : B)
???????? ???????? ???????????? a) sericulture ????b) Agriculture ????c) Fish culture ????d)silviculture
???????????? 152 ???? ????Which gas is likely to be reduced in the atmosphere by def orestation? (Answer : C)
???????? ???????? ???????????? a) Carbon dioxide ????b) Nitrogen ????c) Oxygen ????d)Sulphur dioxide
???????????? 153 ???? ????Extensive planting of trees to increase f orest cover is called (Answer : A)
???????? ???????? ???????????? a) Af f orestation ????b) Agrof orestry ????c) Def orestation ????d)Social f orestry
???????????? 154 ???? ????Soil erosion can be prevented by (Answer : B)
???????? ???????? ???????????? a) Def orestation ????b) Af f orestation ????c) Overgr azing ????d)Removal of vegetation
???????????? 155 ???? ????The components of LPG are _____________ (Answer : B)
???????? ???????? ???????????? a) Methane & Hexane ????b) Propane & Butane ????c) Ethane & Methane ????d)Propane & Ethane
???????????? 156 ???? ????Which of the f ollowing is the most responsible f or world water crisis? (Answer : C)
???????? ???????? ???????????? a) Dams ????b) Floods ????c) Drought ????d)Population growth
???????????? 157 ???? ????The resources that can be replaced by natur al ecological cycle is called (Answer : A)
???????? ???????? ???????????? a) Renewable ????b) Non-renewable ????c) exhaustible ????d)natur al
???????????? 158 ???? ????The amount of solar r adiation reaching the surf ace of the earth is called (Answer : A)
???????? ???????? ???????????? a) Solar flux ????b) reflected light ????c) miner als ????d)solvents
???????????? 159 ???? ????The most harmf ul of ultr aviolet r adiations are (Answer : A)
???????? ???????? ???????????? a) UV-C ????b) UV-B ????c) UV-A ????d)All the above
???????????? 160 ???? ????A renewable source of energy is (Answer : D)
???????? ???????? ???????????? a) Petroleum ????b) Coal ????c) Nuclear f uel ????d)Trees
???????????? 161 ???? ????The capacity to do work is termed as (Answer : D)
???????? ???????? ???????????? a) Power ????b) Force ????c) Strength ????d)Energy
???????????? 162 ???? ????The unit of total water content of the soil is known as (Answer : A)
???????? ???????? ???????????? a) Holard ????b) Chr aserd ????c) Echard ????d)All of the above
???????????? 163 ???? ????Pedology? (Answer : C)
???????? ???????? ???????????? a) Study of water ????b) Study of air ????c) Study of soil ????d)none
???????????? 164 ???? ????What is def orestation? (Answer : B)
???????? ???????? ???????????? a) Product of f orest ????b) Destruction of f orest ????c) Forest Protection ????d)none
???????????? 165 ???? ????Def orestation gener ally decreases (Answer : D)
???????? ???????? ???????????? a) Global Warming ????b) Drought ????c) Soil erosion ????d)Rainf all
???????????? 166 ???? ????Which among the f ollowing result in the f ormation of soil? (Answer : B)
???????? ???????? ???????????? a) Radiation ????b) Weathering ????c) Erosion ????d)Pollution
???????????? 167 ???? ????Mulching helps in (Answer : B)
???????? ???????? ???????????? a) soil f ertility ????b) moisture conservation ????c) improvements soil structure ????d)soil sterility
???????????? 168 ???? ????........................ is an example of ?bottom f eeders?. (Answer : A)
???????? ???????? ???????????? a) Cat fish ????b) Frog ????c) Snake ????d)Tadpole ????e)
???????????? 169 ???? ????..................... trees shed their leaves during winter and hot summer. (Answer : C)
???????? ???????? ???????????? a) (a) ever green ????b) b) conif erous ????c) c) deciduous ????d)d) Shola
???????????? 170 ???? ????...................... is a cold desert in India (Answer : B)
???????? ???????? ???????????? a) Thar ????b) Ladakh ????c) Ran of Kutch ????d)Bhopal
???????????? 171 ???? ????A lake ecosystem f unctions as a (Answer : A)
???????? ???????? ???????????? a) Ter ai ????b) Shola gr asslands ????c) Semi arid plains ????d)Himalayan pastures
???????????? 172 ???? ????An example of nitrogen fixing bacteria in the soil (Answer : C)
???????? ???????? ???????????? a) Rhizobium ????b) Nostoc ????c) Azotobacter ????d)Nitrobacter
???????????? 173 ???? ????An example of one way ecological cycle is (Answer : C)
???????? ???????? ???????????? a) carbon dioxide cycle ????b) water cycle ????c) energy cycle ????d)oxygen cycle
???????????? 174 ???? ????Br ackish water ecosystems in river deltas are among (Answer : B)
???????? ???????? ???????????? a) Least productive ecosystems ????b) Most productive in terms of biomass production ????c) c)
Unproductive d) Stagnant ecosystems ????d)
???????????? 175 ???? ????Ecology is (Answer : C)
???????? ???????? ???????????? a) The science that studies the evolution of lif e, ????b) b) Integr ates both social and natur al sciences to
help us understand how the earth works, ????c) c) The study of the relationships between organisms and their
environment ????d)d) The study of the environment in the absence of humans
???????????? 176 ???? ????Forests grow in high r ain f all areas are (Answer : A)
???????? ???????? ???????????? a) (a) ever green f orests ????b) b) temper ate f orests ????c) c) conif ers ????d)d) Tundr a
???????????? 177 ???? ????Fungi is a (Answer : D)
???????? ???????? ???????????? a) Macroconsumer ????b) Producer ????c) Carnivore d ????d)Microconsumer
???????????? 178 ???? ????Nitrogen fixing blue green alga (Answer : C)
???????? ???????? ???????????? a) Clostridium ????b) Rhizobium ????c) Nostoc ????d)Nitrosomonas
???????????? 179 ???? ????Nitrogen gas returns to the atmosphere by the action of (Answer : B)
???????? ???????? ???????????? a) Nitrogen fixing bacteria ????b) Denitrif ying bacteria ????c) Nitrif ying bacteria ????d)Nitr ate f ertilizers
???????????? 180 ???? ????Patches of tall gr asslands interspersed with Sal f orest ecosystem is (Answer : A)
???????? ???????? ???????????? a) ????b) ????c) ????d)
???????????? 181 ???? ????Ramsar Convention ref ers to the conservation of ____________ (Answer : B)
???????? ???????? ???????????? a) (a) Deserts ????b) b) Wetlands ????c) c) Agriculture lands, ????d)d) Forest land
???????????? 182 ???? ????Some species whose removal can af f ect the survival of an ecosystem are called (Answer : B)
???????? ???????? ???????????? a) ????b) b) Keystone species ????c) c) Producers ????d)d) Carnivores
???????????? 183 ???? ????Sunderbans is home to (Answer : B)
???????? ???????? ???????????? a) Giant permanent pond ????b) Tempor ary aquatic system ????c) Simplest aquatic ecosystem ????d)Water
tank
???????????? 184 ???? ????The conversion of ammonia to nitr ate is known as ________ (Answer : B)
???????? ???????? ???????????? a) (a) ammonification ????b) b) nitrification ????c) c) denitrification ????d)d) all of these
???????????? 185 ???? ????The f orests which occur in law r ain f all area is (Answer : B)
???????? ???????? ???????????? a) (a) Evergreen f orests ????b) b) deciduous f orests ????c) c) Conif erous f orest ????d)d) All the above.
???????????? 186 ???? ????The inherent ability of organisms to reproduce and multiply is called, (Answer : B)
???????? ???????? ???????????? a) C value ????b) b) biotic potential ????c) c) carrying capacity ????d)d) K value
???????????? 187 ???? ????The largest br ackish water lake situated in Asia is in Orissa. Which is the lake? (Answer : A)
???????? ???????? ???????????? a) (a) Chilka lake ????b) b) Vembanad lake ????c) c) Woolar lake ????d)d) Dal lake
???????????? 188 ???? ????The Little Rann of Kutch is home to (Answer : D)
???????? ???????? ???????????? a) Horse ????b) b) Great Indian Bustard ????c) c) Lion ????d)d) Wild Ass
???????????? 189 ???? ????The presence of which is necessary f or photosynthesis (Answer : B)
???????? ???????? ???????????? a) (a) Chlorof orm ????b) b) Chlorophyll ????c) c) Phosphorus ????d)d) Polymer
???????????? 190 ???? ????The process through which ecosystems tend to change after a period of time is called (Answer : A)
???????? ???????? ???????????? a) ????b) ????c) ????d)
???????????? 191 ???? ????The species that flower are called (Answer : C)
???????? ???????? ???????????? a) (a) gymnosperms ????b) b) bryophytes ????c) c) angiosperms ????d)d) algae
???????????? 192 ???? ????The term ?Eco? implies (Answer : A)
???????? ???????? ???????????? a) Environment ????b) Ecotone ????c) Ecotourism ????d)Soil
???????????? 193 ???? ????The term ?Ecology? was coined by (Answer : B)
???????? ???????? ???????????? a) A.G.Tansley ????b) Earnst Haeckel ????c) Aristotle ????d)Linnaeus
???????????? 194 ???? ????The word Biophilia was coined by (Answer : D)
???????? ???????? ???????????? a) Dr. Hackel ????b) Dr.Johanssen ????c) Dr. Ben jamine ????d)E. O. Wilson
???????????? 195 ???? ????What is Dendrology? (Answer : C)
???????? ???????? ???????????? a) Study of Plants ????b) Study of Butterflies ????c) Study of Trees ????d)None of these
???????????? 196 ???? ????What is edge species? (Answer : A)
???????? ???????? ???????????? a) The species which occur abundantly in the ecotone ????b) b) Species on the verge of extinction ????c)
c) Rare species ????d)d) Endemic species
???????????? 197 ???? ????What is symbiosis? (Answer : C)
???????? ???????? ???????????? a) Study of distribution of related species ????b) b) Association between members of same species
????c) c) Association between members of two species ????d)d) None
???????????? 198 ???? ????When number of f ood chains is interlocked this is called (Answer : C)
???????? ???????? ???????????? a) f ood link ????b) f ood chain ????c) f ood web ????d)pyr amid
???????????? 199 ???? ????Which is an example f or sedimentary biogeochemical cycle (Answer : D)
???????? ???????? ???????????? a) Oxygen cycle ????b) Nitrogen cycle ????c) Water cycle ????d)Phosphorus cycle
???????????? 200 ???? ????Which is the second largest in species richness? (Answer : C)
???????? ???????? ???????????? a) Desert ????b) b) Tundr a ????c) c) Cor al reefs ????d)d) Flowing water
???????????? 201 ???? ????Gr assland of USA is ref erred to as (Answer : A)
???????? ???????? ???????????? a) Pr airies ????b) Steppes ????c) Pampas ????d)Veldts
???????????? 202 ???? ????The complex network of interconnected f ood chains is called ___________ (Answer : B)
???????? ???????? ???????????? a) Trophic level ????b) Food web ????c) Ecological pyr amid ????d)Ecology chain
???????????? 203 ???? ????The animal which consumes decaying organic matter is _________ (Answer : B)
???????? ???????? ???????????? a) Carnivore ????b) Detritivore ????c) Herbivore ????d)Producers
???????????? 204 ???? ????An ecosystem gr adually merges with an adjoining one through a tr ansitional zone is called the
______________ (Answer : C)
???????? ???????? ???????????? a) Ecological niche ????b) ecological f ootprint ????c) ecotone ????d)Shore ef f ect
???????????? 205 ???? ????The Primary Consumers are also called as (Answer : A)
???????? ???????? ???????????? a) Herbivores ????b) Carnivores ????c) Enzymes ????d)None of these
???????????? 206 ???? ????The f orests which occur in law r ain f all area is called (Answer : B)
???????? ???????? ???????????? a) Evergreen f orests ????b) deciduous f orests ????c) Conif erous f orest ????d)All the above
???????????? 207 ???? ????Favor able morphological and physiological response to a change in environment is called (Answer : D)
???????? ???????? ???????????? a) Preadaptation ????b) Ecotyping ????c) Formation of ecophenes ????d)Acclimatization
???????????? 208 ???? ????Plants adapted to open, sunny habitats are (Answer : B)
???????? ???????? ???????????? a) Sciophytes ????b) Heliophytes ????c) Mesophytes ????d)Epiphytes
???????????? 209 ???? ????Temper ate f orests occur in India in (Answer : B)
???????? ???????? ???????????? a) Indo-gangetic plains ????b) Himalayas ????c) Eastern India ????d)Southern peninsula
???????????? 210 ???? ????In India, tropical evergreen f orests occur in (Answer : C)
???????? ???????? ???????????? a) Himachal Pr adesh ????b) Madhya Pr adesh ????c) Assam ????d)Tamil Nadu
???????????? 211 ???? ????Which one is natures cleaner? (Answer : C)
???????? ???????? ???????????? a) Consumers ????b) Producers ????c) Decomposers and Scavengers ????d)Symbionts
???????????? 212 ???? ????The relationship between nitrogen fixing bacteria and leguminous plants is an example f or (Answer : C)
???????? ???????? ???????????? a) Par asitism ????b) Predation ????c) Mutualism ????d)Symbiosis
???????????? 213 ???? ????______ trees shed their leaves during winter and hot summer. (Answer : C)
???????? ???????? ???????????? a) Ever green ????b) Conif erous ????c) Deciduous ????d)Shola
???????????? 214 ???? ????Thorn f orests are f ound in the_______ regions (Answer : A)
???????? ???????? ???????????? a) Semi-arid ????b) High r ain f all areas ????c) Low temper ature ????d)Frozen areas
???????????? 215 ???? ????________ is a cold desert in India (Answer : B)
???????? ???????? ???????????? a) Thar ????b) Ladakh ????c) Ran of Kutch ????d)Bhopal
???????????? 216 ???? ????______ is an example of bottom f eeders (Answer : A)
???????? ???????? ???????????? a) Cat fish ????b) Frog ????c) Snake ????d)Tadpole
???????????? 217 ???? ????A Hawk that eats a frog is a (Answer : D)
???????? ???????? ???????????? a) Producer ????b) Primary Consumer ????c) Secondary Consumer ????d)Tertiary Consumer
???????????? 218 ???? ????An example of lotic system (Answer : B)
???????? ???????? ???????????? a) Pond ????b) River ????c) Lake ????d)Reservoir
???????????? 219 ???? ????Complex interlinked f ood chains are called (Answer : A)
???????? ???????? ???????????? a) Food Web ????b) Food net work ????c) Trophic levels ????d)Food pyr amid
???????????? 220 ???? ????Lotic ecosystem ref ers to (Answer : B)
???????? ???????? ???????????? a) Static water system ????b) Ecosystem of flowing water ????c) Ecosystem of estuaries ????d)Deep
marine water system
???????????? 221 ???? ????Autotrophs are ______________ (Answer : D)
???????? ???????? ???????????? a) Consumers ????b) Herbivores ????c) Saprophytes ????d)Producers
???????????? 222 ???? ????Organisms which depened on Producers f or nutrition are called (Answer : C)
???????? ???????? ???????????? a) Autotrophs ????b) Saprophytes ????c) Consumers ????d)Xerophytes
???????????? 223 ???? ????The source of atmospheric oxygen is (Answer : B)
???????? ???????? ???????????? a) Nitrogen cycle ????b) Green Plants ????c) Water ????d)Carbon Cycle
???????????? 224 ???? ????Plants which grow in shade are called (Answer : A)
???????? ???????? ???????????? a) Sciophytes ????b) Heliophytes ????c) Oxylophytes ????d)Epiphytes
???????????? 225 ???? ????Photosynthesis is f ound in (Answer : A)
???????? ???????? ???????????? a) Producers ????b) Decomposers ????c) Consumers ????d)Scavengers
???????????? 226 ???? ????Phytoplankton are (Answer : B)
???????? ???????? ???????????? a) Producers of f orest ????b) Producers of lakes ????c) Consumers of Ocean ????d)Omnivores
???????????? 227 ???? ????Gas released during photosynthesis is (Answer : C)
???????? ???????? ???????????? a) Methane ????b) Nitrogen ????c) Oxygen ????d)Carbon dioxide
???????????? 228 ???? ????The ma jor reservoir of carbon is (Answer : B)
???????? ???????? ???????????? a) The atmosphere ????b) Ocean Bed ????c) Plant and animals ????d)Rock
???????????? 229 ???? ????The simplest aquatic ecosystem can be seen in a (Answer : C)
???????? ???????? ???????????? a) River ????b) Lake ????c) Pond ????d)Water Tank
???????????? 230 ???? ????What is hibernation and aestivation? (Answer : A)
???????? ???????? ???????????? a) Thermal adaptation shown by animals ????b) wind adaptation shown by animals ????c) adaptation of
animals to escape from predators ????d)None
???????????? 231 ???? ????What is lentic habitat ? (Answer : B)
???????? ???????? ???????????? a) Running water habitat ????b) Standing or still water habitat ????c) Marine habitat ????d)None
???????????? 232 ???? ????What is lotic habitat? (Answer : C)
???????? ???????? ???????????? a) Standing or still water habitat ????b) Marine habitat ????c) Running water habitat ????d)Stagnant water
???????????? 233 ???? ????What is Plankton? (Answer : A)
???????? ???????? ???????????? a) Microscopic floating organisms ? Plants and animals. ????b) bottom dwelling aquatic organisms ????c)
Large plants in water ????d)None
???????????? 234 ???? ????What is Canopy? (Answer : A)
???????? ???????? ???????????? a) Uppermost level of the f orest ????b) Ground level of the f orest ????c) Soil in f orest ????d)Climbers on
trees
???????????? 235 ???? ????North American gr assland are called (Answer : B)
???????? ???????? ???????????? a) Pampas ????b) Pr airies ????c) Savannah ????d)None
???????????? 236 ???? ????African gr asslands are called (Answer : C)
???????? ???????? ???????????? a) Pr airies ????b) Pampas ????c) Savannah ????d)None
???????????? 237 ???? ????Green plants are absent in deep sea. Why? (Answer : A)
???????? ???????? ???????????? a) Light is absent ????b) High pressure ????c) low temper ature ????d)Great depth
???????????? 238 ???? ????What is desertification? (Answer : D)
???????? ???????? ???????????? a) Conversion of f orests into desert ????b) Conversion of croplands into desert ????c) Conversion of
gr assland into desert ????d)all of the above
???????????? 239 ???? ????The first trophic level in a f ood chain (Answer : A)
???????? ???????? ???????????? a) Green Plants ????b) Herbivores ????c) Carnivores ????d)Bacteria
???????????? 240 ???? ????Sulphur bacteria are examples of (Answer : D)
???????? ???????? ???????????? a) Carnivores ????b) Heterotrophs ????c) Saprophytes ????d)Autotrophs
???????????? 241 ???? ????Green Land biome (Answer : B)
???????? ???????? ???????????? a) Tundr a ????b) Pampas ????c) Taiga ????d)Thaar.
???????????? 242 ???? ????What is deep ecology? (Answer : A)
???????? ???????? ???????????? a) Protecting nature f or its own sake ????b) Ecology of deep sea ????c) Ecology of f orest ????d)Ecology of
caves
???????????? 243 ???? ????Cor al reefs in India can be seen in (Answer : B)
???????? ???????? ???????????? a) Himalayan region ????b) Andaman and Nicobar Islands ????c) Uttarpr adesh ????d)Mahar ashtr a
???????????? 244 ???? ????____________ is one of the most endangered species of Indian birds (Answer : D)
???????? ???????? ???????????? a) Bee eater ????b) Par adise fly catcher ????c) Owl ????d)The great Indian bustard
???????????? 245 ???? ????................. species is known as Azadir achta Indica (Answer : A)
???????? ???????? ???????????? a) Neem ????b) Mango ????c) Jackfruit ????d)Banana
???????????? 246 ???? ????.................... is a marine tortoise which shows the unique phenomenon ?arribada? (Answer : A)
???????? ???????? ???????????? a) Olive Ridley ????b) Star T ortoise ????c) Tr avancore T ortoise ????d)b & c
???????????? 247 ???? ????.................... tree is known as ?flame of the f orest?? (Answer : B)
???????? ???????? ???????????? a) Zizyphus ????b) Butea monosperma ????c) Jackfruit ????d)Pongamea
???????????? 248 ???? ????All are insitu conservation ef f orts except (Answer : C)
???????? ???????? ???????????? a) National parks ????b) Sanctuaries ????c) Zoo ????d)
???????????? 249 ???? ????Approximately, 50% of total world species are present on (Answer : A)
???????? ???????? ???????????? a) tropical r ain f orest ????b) temper ate r ain f orest ????c) temper ate deciduous f orest d ????d)cor al reefs
???????????? 250 ???? ????Bears are usually hunted and killed f or their (Answer : B)
???????? ???????? ???????????? a) Teeth ????b) Skin ????c) Gall bladder ????d)Nails
???????????? 251 ???? ????Biodiversity (Answer : A)
???????? ???????? ???????????? a) increases towards the equator ????b) decreases towards the equator ????c) remains same throughout
the planet d ????d)has no ef f ect on change in latitude
???????????? 252 ???? ????Black Buck is a (Answer : B)
???????? ???????? ???????????? a) Goat ????b) Deer ????c) Butterfly ????d)Bird
???????????? 253 ???? ????Blue whale is placed under (Answer : A)
???????? ???????? ???????????? a) endangered ????b) critically endangered ????c) r are ????d)d) extinct
???????????? 254 ???? ????Conservation within the natur al habitat is (Answer : A)
???????? ???????? ???????????? a) insitu conservation ????b) exsitu conservation ????c) invivo conservation ????d)d) exvivo conservation
???????????? 255 ???? ????Cor al reefs in India can be seen in (Answer : B)
???????? ???????? ???????????? a) Himalayan region ????b) Andaman and Nicobar Islands ????c) Uttarpr adesh ????d)Mahar ashtr a
???????????? 256 ???? ????Dodo is (Answer : D)
???????? ???????? ???????????? a) endangered ????b) b) critically endangered ????c) c) r are ????d)d) extinct
???????????? 257 ???? ????Endemic species are (Answer : B)
???????? ???????? ???????????? a) r are species ????b) b) species localised in a specific region ????c) c) cosmopolitan in distribution d)
critically endangered species ????d)
???????????? 258 ???? ????Ex situ conservation includes (Answer : D)
???????? ???????? ???????????? a) Zoo ????b) Botanic garden ????c) c) Germplasm bank ????d)d) all of the above
???????????? 259 ???? ????Gharial is a (Answer : A)
???????? ???????? ???????????? a) Crocodile ????b) b) Cobr a ????c) c) T ortoise ????d)d) Frog
???????????? 260 ???? ????Herpetology is a br anch of Science which deals with (Answer : C)
???????? ???????? ???????????? a) Aves ????b) Mammals ????c) Reptiles ????d)Fishes
???????????? 261 ???? ????Hot spots are regions of high (Answer : B)
???????? ???????? ???????????? a) r arity ????b) b) endemism ????c) c) critically endangered population d) diversity ????d)d) diversity
???????????? 262 ???? ????India is primary centre of domestication of (Answer : D)
???????? ???????? ???????????? a) Sheep ????b) Goat ????c) Water Buf f alo ????d)Elephants
???????????? 263 ???? ????IUCN (The International Union For Conservation Of Nature And Natur al Resources) headquarters is at
(Answer : A)
???????? ???????? ???????????? a) Morges, Switzerland ????b) Paris, Fr ance ????c) Vienna, Austria d ????d)NewYork, USA
???????????? 264 ???? ????IUCN is also called as (Answer : B)
???????? ???????? ???????????? a) Man and Biosphere progr am ????b) World Conservation Union ????c) World Conservation Consortium
d ????d)World Wide Conservation Union
???????????? 265 ???? ????Killing of animals disturbs (Answer : C)
???????? ???????? ???????????? a) Good f or eco system ????b) Good f or man ????c) The balance of nature ????d)None
???????????? 266 ???? ????MAB progr am stands f or (Answer : D)
???????? ???????? ???????????? a) Man and biotechnology ????b) Material and biology ????c) Man and Biology ????d)Man and Biosphere
???????????? 267 ???? ????Pangolins f eed on (Answer : A)
???????? ???????? ???????????? a) ants ????b) b) fruits ????c) c) leaves ????d)d) roots
???????????? 268 ???? ????Red data book contains data of (Answer : D)
???????? ???????? ???????????? a) all plant species ????b) all animal species ????c) economically important species ????d)threatened
species
???????????? 269 ???? ????Silent Spring is a well known book written by (Answer : C)
???????? ???????? ???????????? a) John Miller ????b) Charles Darwin ????c) Rachel Carson ????d)Aldoleopold
???????????? 270 ???? ????The drug morphine is extr acted from ............... plant (Answer : C)
???????? ???????? ???????????? a) Cocoa ????b) Belladonna ????c) Opium Poppy ????d)Tannin
???????????? 271 ???? ????The first global environmental protection treaty The Montreal Protocol was signed on Sept. 26. (Answer
: D)
???????? ???????? ???????????? a) 1985 ????b) 1990 ????c) 1981 ????d)1987
???????????? 272 ???? ????The most important reason f or decrease in biodiversity is (Answer : D)
???????? ???????? ???????????? a) habitat pollution ????b) introduction of exotic species ????c) overexploitation ????d)habitat destruction
???????????? 273 ???? ????The only ape f ound in India (Answer : C)
???????? ???????? ???????????? a) Gorilla ????b) Chimpanzee ????c) Hoolock gibbon ????d)Or anguttan
???????????? 274 ???? ????Which of the f ollowing is a biodiversity hot sport in India? (Answer : A)
???????? ???????? ???????????? a) Western Ghats ????b) Nandadevi ????c) Eastern Ghats ????d)Ar avalli
???????????? 275 ???? ????Which of the f ollowing region has maximum diversity? (Answer : D)
???????? ???????? ???????????? a) mangroves ????b) temper ate r ainf orest ????c) taiga d ????d)cor al reefs
???????????? 276 ???? ????Which plants die after flowering? (Answer : B)
???????? ???????? ???????????? a) Lotus ????b) Bamboo ????c) Chrysanthemum ????d)Butea
???????????? 277 ???? ????Which tree is known as Cor al tree? (Answer : C)
???????? ???????? ???????????? a) Quercus ????b) Dipterocarps ????c) Erythrina ????d)Zizypus
???????????? 278 ???? ????Salim Ali Centre f or Ornithology and Natur al history is located at ______ (Answer : D)
???????? ???????? ???????????? a) Pune ????b) Hyder abad ????c) Ker ala ????d)Coimbatore
???????????? 279 ???? ????World wildlif e week is observed during (Answer : A)
???????? ???????? ???????????? a) First week of October ????b) Last week of October ????c) Third week of October ????d)First week of
September
???????????? 280 ???? ????Zoological Survey of India is at (Answer : C)
???????? ???????? ???????????? a) Delhi ????b) Mumbai ????c) Kolkata ????d)Chennai
???????????? 281 ???? ????The Salim Ali Bird sanctuary is located at (Answer : B)
???????? ???????? ???????????? a) Pondicherry ????b) Thattekad ????c) Anakkatti ????d)Kalakkadj
???????????? 282 ???? ????Who among the f ollowing is commonly called ?Bird Man of India?? (Answer : A)
???????? ???????? ???????????? a) Salim Ali ????b) M.S. Swaminathan ????c) M.C. Mehta ????d)Raphel Emerson
???????????? 283 ???? ????The phenomenon of occurrence of additional species f ound in the ecotone or tr ansitional zone
between adjoining ecosystems is known as _________ (Answer : A)
???????? ???????? ???????????? a) Edge ef f ect ????b) Root ef f ect ????c) Raman ef f ect ????d)Coolidge ef f ect
???????????? 284 ???? ????A set of organisms that resemble one another in appear ance and behaviour is called a _____________
(Answer : C)
???????? ???????? ???????????? a) Exons ????b) Prions ????c) Species ????d)guilds
???????????? 285 ???? ????All the genes of a population is called (Answer : A)
???????? ???????? ???????????? a) gene pool ????b) Genome ????c) Gene bunch ????d)Gene population
???????????? 286 ???? ????The first protected area in India is ____________ (Answer : B)
???????? ???????? ???????????? a) Silent valley ????b) Corbett National Park ????c) Bandipur sanctuary ????d)Nagar-Hole
???????????? 287 ???? ????The Indian Parliament passed the Biodiversity Bill in the year_________ (Answer : C)
???????? ???????? ???????????? a) 2000 ????b) 2005 ????c) 2002 ????d)2007
???????????? 288 ???? ????The destruction of habitat of plants and animals is called (Answer : C)
???????? ???????? ???????????? a) Endemism ????b) Endangered species ????c) Habitat loss ????d)Flood
???????????? 289 ???? ????Zoos are examples f or (Answer : C)
???????? ???????? ???????????? a) In-situ conservation ????b) In-vivo conservation ????c) Ex-situ conservation ????d)Ex-vivo conservation
???????????? 290 ???? ????In which Indian state is Corbet National park located (Answer : B)
???????? ???????? ???????????? a) Madya Pr adesh ????b) Uttar akhand ????c) Ker ala ????d)Tamilnadu
???????????? 291 ???? ????The first national park of Ker ala (Answer : D)
???????? ???????? ???????????? a) Ar alam ????b) Kottayam ????c) Idukki ????d)Ir avikulam
???????????? 292 ???? ????In which year was Pro ject Tiger launched? (Answer : A)
???????? ???????? ???????????? a) 1973 ????b) 1964 ????c) 1998 ????d)1970
???????????? 293 ???? ????Earth summit of Rio de Janeiro (1992) resulted in (Answer : C)
???????? ???????? ???????????? a) Compilation of Red list ????b) Establishment of biosphere reserves ????c) Conservation of biodiversity
????d)IUCN
???????????? 294 ???? ????Lions are f ound in (Answer : D)
???????? ???????? ???????????? a) Western Ghats ????b) Corbett National Park ????c) Forests of Madhya Pr adesh ????d)Gir f orests
???????????? 295 ???? ????National Park associated with rhinoceros is (Answer : A)
???????? ???????? ???????????? a) Kazir anga ????b) Ranthambore ????c) Corbett ????d)Valley of flowers
???????????? 296 ???? ????Some species of plants and animals are extremely r are and may occur only at a f ew locations are called
(Answer : B)
???????? ???????? ???????????? a) Endemic ????b) Endangered ????c) Vulner able ????d)Threatened
???????????? 297 ???? ????The only known breeding colony of the greater and lesser Flamingos in our country is seen in
???????.. desert. (Answer : A)
???????? ???????? ???????????? a) The Great Rann of Kutch ????b) The Thar ????c) Ladakh ????d)Atacama
???????????? 298 ???? ????The one-horned Rhinoceros is now restricted to which state? (Answer : C)
???????? ???????? ???????????? a) Mahar ashtr a ????b) Gujar at ????c) Assam ????d)Uttar Pr adesh
???????????? 299 ???? ????Asiatic lion is f ound only in _____ (Answer : A)
???????? ???????? ???????????? a) Gir Forest ????b) Manas ????c) Kasir anga ????d)Sundarbans
???????????? 300 ???? ????________ is a marine tortoise which shows the unique phenomenon ???arribada??? (Answer : A)
???????? ???????? ???????????? a) Olive Ridley ????b) Star T ortoise ????c) Tr avancore T ortoise ????d)b & c
???????????? 301 ???? ????Largest reptile in the world (Answer : B)
???????? ???????? ???????????? a) Dr agon ????b) Anaconda ????c) Crocodile ????d)Python
???????????? 302 ???? ????Snow leopard is f ound in which National Park? (Answer : B)
???????? ???????? ???????????? a) Kazir anga ????b) The Great Himalayan ????c) Bhar atpur ????d)Nagarhole
???????????? 303 ???? ????Point Calimere sanctuary is situated in which state? (Answer : A)
???????? ???????? ???????????? a) Tamilnadu ????b) Ker ala ????c) Karnataka ????d)Gujar at
???????????? 304 ???? ????The movement Beej Bachao Andolan was aimed f or the conservation of ________ (Answer : C)
???????? ???????? ???????????? a) Trees ????b) Shrubs ????c) Crops ????d)Coconut
???????????? 305 ???? ????In which year Silent Valley was declared as National Park? (Answer : C)
???????? ???????? ???????????? a) 1988 ????b) 1982 ????c) 1984 ????d)1981
???????????? 306 ???? ????The Red Data book which lists endangered species is maintained by (Answer : C)
???????? ???????? ???????????? a) UNO ????b) WHO ????c) IUCN ????d)WWF
???????????? 307 ???? ????First Biosphere reserve in India (Answer : A)
???????? ???????? ???????????? a) Nilgiri ????b) Agastyamala ????c) Er avikulam ????d)Chinnar
???????????? 308 ???? ????Flag ship species of Choolannur sanctuary (Answer : B)
???????? ???????? ???????????? a) Tiger ????b) Peacock ????c) Elephant ????d)Rhino
???????????? 309 ???? ????Which of the f ollowing is an extinct species? (Answer : C)
???????? ???????? ???????????? a) Tiger ????b) Lion ????c) Dodo ????d)Ostrich
???????????? 310 ???? ????________ is one of the most endangered species of Indian birds (Answer : D)
???????? ???????? ???????????? a) Bee eater ????b) Par adise fly catcher ????c) Owl ????d)The great Indian bustard
???????????? 311 ???? ????Many wild plant and animals are on the verge of extinction due to (Answer : A)
???????? ???????? ???????????? a) Habitat destruction ????b) Climatic changes ????c) Non availability of f ood ????d)None of the above
???????????? 312 ???? ????The most endangered ecosystem in India (Answer : B)
???????? ???????? ???????????? a) Shola f orest ecosystem ????b) Evergreen f orest ecosystem ????c) Pond ecosystem ????d)Tundr a
Ecosystem
???????????? 313 ???? ????Er avikulam National Park conserves (Answer : D)
???????? ???????? ???????????? a) Lion tailed macaque ????b) Tiger ????c) Elephant ????d)Nilgiri Tahr
???????????? 314 ???? ????First National Park in India (Answer : A)
???????? ???????? ???????????? a) Jim Corbert National Park ????b) Bandipur National Park ????c) Gir National Park ????d)Sunderbans
National Park
???????????? 315 ???? ????Agastyamalai Biosphere reserve is in (Answer : B)
???????? ???????? ???????????? a) Pathanamthitta ????b) Thiruvananthapur am ????c) Idukki ????d)Wayanad
???????????? 316 ???? ????What is meant by ex-situ conservation? (Answer : C)
???????? ???????? ???????????? a) Conservation of a species by protecting its habitat along with all other species living there. ????b)
Conservation of f orest eco system ????c) Conservation of a species outside its natur al habitat ????d)Conservation of
plants
???????????? 317 ???? ????The state which constituted green bench (Answer : B)
???????? ???????? ???????????? a) Ker ala ????b) Tamilnadu ????c) Assam ????d)Madhya Pr adesh
???????????? 318 ???? ????Name the endangered animal which is protected in Ra jamalai National park (Answer : C)
???????? ???????? ???????????? a) Chital ????b) Black buck ????c) Nilgiri Tahr ????d)None
???????????? 319 ???? ????Animals and plants are best protected in (Answer : C)
???????? ???????? ???????????? a) Zoos ????b) Botanical Gardens ????c) National Parks ????d)Sanctuaries
???????????? 320 ???? ????Worlds first Teak Forest was planted in 1842 in Ker ala. Identif y the place. (Answer : B)
???????? ???????? ???????????? a) Wayanad ????b) Nilambur ????c) Silent Valley ????d)Nelliyampathy
???????????? 321 ???? ????The Native Place of Redwood trees? (Answer : C)
???????? ???????? ???????????? a) Austr alia ????b) Amazon ????c) Calif ornia ????d)Thailand
???????????? 322 ???? ????Centre of Modern nuclear technology in India (Answer : C)
???????? ???????? ???????????? a) CRAS ????b) SARC ????c) BARC ????d)None of these
???????????? 323 ???? ????What is an Inciner ator? (Answer : A)
???????? ???????? ???????????? a) Furnace used f or burning solid waste ????b) Furnace used f or treating liquid waste ????c) Both a & b
????d)None of these
???????????? 324 ???? ????Photochemical smog is called (Answer : B)
???????? ???????? ???????????? a) T okyo smog ????b) London smog ????c) Los Angeles smog ????d)None
???????????? 325 ???? ????The combustion of waste in the absence of Oxygen is called (Answer : B)
???????? ???????? ???????????? a) Haemolysis ????b) Pyrolysis ????c) Hydrolysis ????d)None
???????????? 326 ???? ????The heating of earths atmosphere due to tr apped r adiation is known as (Answer : D)
???????? ???????? ???????????? a) Global warming ????b) Glass-House ef f ect ????c) Thermal ef f ect ????d)Green House Ef f ect
???????????? 327 ???? ????Thickness of plastic cover permissible to use (Answer : C)
???????? ???????? ???????????? a) 50 Microns ????b) 20 Microns ????c) 100 Microns ????d)10 Microns
???????????? 328 ???? ????A biodegr adable plastic developed by Biopak Corpor ation Austr alia (Answer : A)
a) Biopol ????b) Pet ????c) Polyester ????d)PVC
???????????? 329 ???? ????The Residential and Commercial wastes mainly consist of: (Answer : A)
???????? ???????? ???????????? a) Food wastes ????b) Card board ????c) Packaging materials ????d)None of these
???????????? 330 ???? ????Lead in water can cause (Answer : C)
???????? ???????? ???????????? a) Eye disease ????b) Arthritis ????c) Kidney damage ????d)Hair f alling
???????????? 331 ???? ????Colorless odorless and non corrosive air pollutant is (Answer : C)
???????? ???????? ???????????? a) Sulphur dioxide ????b) Carbon monoxide ????c) Carbon dioxide ????d)Ozone
???????????? 332 ???? ????Disease aggr avated by air pollution is (Answer : C)
???????? ???????? ???????????? a) Choler a ????b) Rheumatism ????c) Bronchitis ????d)Haemophilia
???????????? 333 ???? ????Which of the f ollowing type of pollution can cause the outbreak of Jaundice (Answer : C)
???????? ???????? ???????????? a) Air ????b) Thermal ????c) Water ????d)Land
???????????? 334 ???? ?????Ozone Hole? is a _____________ (Answer : B)
???????? ???????? ???????????? a) Hole in the atmosphere b ????b) Destruction of ozone layer c ????c) Hole in the hydrosphere d ????d)Hole
in the troposphere
???????????? 335 ???? ?????Plumbism? is the disorder develops in man when exposed to..... (Answer : A)
???????? ???????? ???????????? a) a) Lead ????b) b) Mercury ????c) c) Arsenic ????d)d) CO
???????????? 336 ???? ????A pollutant not released by exhaust of automobiles is.... (Answer : C)
???????? ???????? ???????????? a) a) SO 2 ????b) b) CO ????c) c) Fly Ash ????d)d) Hydrocarbon gases
???????????? 337 ???? ????Acid r ain contains (Answer : A)
???????? ???????? ???????????? a) Sulphuric acid b ????b) Hydrochloric acid c ????c) Oxalic acid d ????d)Acetic acid
???????????? 338 ???? ????An example of natur al pollutant is (Answer : D)
???????? ???????? ???????????? a) a) Forest fire ????b) b) Natur al Organic Decay ????c) c) Volcanic eruptions ????d)d) All of the above
???????????? 339 ???? ????An example of non-biodegr adable pollutant is (Answer : B)
???????? ???????? ???????????? a) a) Sewage ????b) b) Plastic ????c) c) Litter ????d)d) Vegetable waste
???????????? 340 ???? ????Birth r ate is called (Answer : C)
???????? ???????? ???????????? a) mortality b ????b) vital index c ????c) natality d ????d)viability
???????????? 341 ???? ????Bishnoi women is connected to (Answer : B)
???????? ???????? ???????????? a) Hindi Film ????b) b) Chipko movement ????c) c) Climate change ????d)d) Women rights
???????????? 342 ???? ????BOD is used f or the measurement of .... (Answer : C)
???????? ???????? ???????????? a) a) Atmospheric pollution ????b) b) Soil pollution ????c) c) Water pollution ????d)d) Nuclear pollution
???????????? 343 ???? ????Causative organisms of Malaria (Answer : C)
???????? ???????? ???????????? a) Bacteria b ????b) Fungus c ????c) Plasmodium d ????d)Virus
???????????? 344 ???? ????Component not released in the burning coal is... (Answer : D)
???????? ???????? ???????????? a) a) NO 2 ????b) b) SO 2 ????c) c) Fly Ash ????d)d) O 2
???????????? 345 ???? ????Death r ate of the population (Answer : A)
???????? ???????? ???????????? a) Mortality b ????b) Viability c ????c) Natality d ????d)Vitality
???????????? 346 ???? ????Ear muf fs or Cotton plugs are used to reduce pollution of..... (Answer : B)
???????? ???????? ???????????? a) a) Air ????b) b) Noise ????c) c) Thermal ????d)d) Nuclear
???????????? 347 ???? ????EIA is the (Answer : C)
???????? ???????? ???????????? a) a) Economic Inf ormation Awareness ????b) b) Environmental Inf ormation Awareness ????c) c)
Environmental Impact Assessment ????d)d) Environmental Impact Avoidance
???????????? 348 ???? ????El Nino (Answer : A)
???????? ???????? ???????????? a) a) a climate cycle in the Pacific Ocean impacting global weather patterns ????b) b) Cold current in the
Atlantic influencing South American weather ????c) c) An annual underwater phenomenon af f ecting global weather
????d)d) A sub-sahar an hot wind af f ecting global climate.
???????????? 349 ???? ????Environmental Protection Act was introduced in the year (Answer : A)
???????? ???????? ???????????? a) 1986 b ????b) 1988 c ????c) 1972 d ????d)1989
???????????? 350 ???? ????Example f or a bio-degr adable polymer is (Answer : C)
???????? ???????? ???????????? a) Polyethylene b ????b) Polypropylene c ????c) Poly lactic acid d ????d)Polyester
???????????? 351 ???? ????Exposure of human body to r adiation may cause... (Answer : D)
???????? ???????? ???????????? a) a) Polio ????b) b) Gastroenteritis ????c) c) Haemophilia ????d)d) Leukemia
???????????? 352 ???? ????Increased heart beat, constriction of blood vessels and dilation of pupil are symptoms of.... (Answer :
A)
???????? ???????? ???????????? a) a) Sound pollution ????b) b) Thermal pollution ????c) c) Air pollution ????d)d) Nuclear pollution
???????????? 353 ???? ????India Government passed the Air act in the year (Answer : B)
???????? ???????? ???????????? a) a) 1991 ????b) b) 1981 ????c) c) 1982 ????d)d) 2001
???????????? 354 ???? ????Inf ection of HIV is usually detected by which test (Answer : A)
???????? ???????? ???????????? a) Elisa test b ????b) Hybridization c ????c) Gr am staining d ????d)None
???????????? 355 ???? ????IPCC (Answer : C)
???????? ???????? ???????????? a) a) International Panel on Climate Change ????b) b) International Peace Conf erence f or Climate ????c) c)
Intergovernmental Panel on Climate Change ????d)d) Intercontinental Plans f or Continuous
???????????? 356 ???? ????Largest source of air pollution in cities are .... (Answer : C)
???????? ???????? ???????????? a) a) Industries ????b) b) Sewage ????c) c) Automobiles ????d)d) Tanneries
???????????? 357 ???? ????Leader of ?Narmada Bachao Andolan? (Answer : B)
???????? ???????? ???????????? a) Vandana Siva b ????b) Medha Patkar c ????c) Menaka Gandhi d ????d)Mayilamma
???????????? 358 ???? ????Minamata disease is due to... (Answer : A)
???????? ???????? ???????????? a) a) Mercury poisoning ????b) b) Lead poisoning ????c) c) Arsenic poisoning ????d)d) Cadmium poisoning
???????????? 359 ???? ????Mullaperiyar dam is in the district? (Answer : C)
???????? ???????? ???????????? a) Thrissur b ????b) Pathanamthitta c ????c) Idukki d ????d)Alappuzha.
???????????? 360 ???? ????National Maritime Day of India is celebr ated on ______________ (Answer : B)
???????? ???????? ???????????? a) October 16 b ????b) April 05 c ????c) March 21 d ????d)May 22
???????????? 361 ???? ????Natur al earthquakes are caused by __________ (Answer : A)
???????? ???????? ???????????? a) Earth?s crust b ????b) deep seas c ????c) peak mountains d ????d)f orests
???????????? 362 ???? ????Noise is _______________ (Answer : C)
???????? ???????? ???????????? a) Huge sound b ????b) Sound of vehicles c ????c) Undesir able and unwanted sound d ????d)Sound of
cr ackers
???????????? 363 ???? ????Of ficial date of Earth Day is on _________ (Answer : A)
???????? ???????? ???????????? a) April 22 b ????b) March 21 c ????c) May 22 d ????d)June 05
???????????? 364 ???? ????On which date was the Stockholm Conf erence on Human Environment held? (Answer : C)
???????? ???????? ???????????? a) July 6th 1974 b ????b) Aug 8th 1976 c ????c) June 5th 1972 d ????d)Dec 12th 1990
???????????? 365 ???? ????One third of the global cases of Tuberculosis is in (Answer : C)
???????? ???????? ???????????? a) Britain b ????b) Sweden c ????c) India d ????d)China
???????????? 366 ???? ????Organ af f ected by pneumonia (Answer : D)
???????? ???????? ???????????? a) Liver b ????b) Kidney c ????c) Heart d ????d)Lungs.
???????????? 367 ???? ????Ozone (Answer : A)
???????? ???????? ???????????? a) a) strong poisonous f orm of Oxygen with 3 atoms in a molecule ????b) b) A mix of various gases
f orming a protective cover ????c) c) Purest f orm of Oxygen which increases its supply on earth ????d)d) a strong and
protective compound from Oxygen and Hydrogen
???????????? 368 ???? ????Ozone in lower atmosphere is an example of ... (Answer : B)
???????? ???????? ???????????? a) a) Primary pollutant ????b) b) Secondary pollutant ????c) c) Tertiary pollutant ????d)d) Not a pollutant
???????????? 369 ???? ????Ozone layer is (Answer : A)
???????? ???????? ???????????? a) A) 20 ? 50 km above the surf ace of the earth ????b) B) 70 to 90 kms above the earth ????c) C) 30 ? 40
kms below the earth ????d)D) 20 ? 50 kms below the sea level.
???????????? 370 ???? ????Ozone layer is situated in which str ata of artmosphere? (Answer : B)
???????? ???????? ???????????? a) Thermosphere ????b) (b) str atosphere ????c) (c) ionosphere ????d)(d) mesosphere
???????????? 371 ???? ????Poisonous gas caused Bhopal gas tr agedy (Answer : A)
???????? ???????? ???????????? a) Methyl isocyanate ????b) (b) Ethyl isocyante ????c) (c) Methyl isocyanide ????d)(d) Ethyl isocyamide
???????????? 372 ???? ????Presence of E. coli in water is an indication of (Answer : A)
???????? ???????? ???????????? a) Fecal contamination (b ????b) Lead contamination (c ????c) Vir al contamination (d ????d)Mercury
contamination
???????????? 373 ???? ????Public awareness of environment creates ___________ (Answer : A)
???????? ???????? ???????????? a) Environment protection b ????b) Environment degr adation c ????c) Environmental improvement d
????d)Environmental cultivation
???????????? 374 ???? ????Public Health is not dependent on (Answer : C)
???????? ???????? ???????????? a) a) saf e drinking water ????b) b) suf ficient f ood ????c) c) competitive market conditions ????d)d) good
social conditions
???????????? 375 ???? ????Rain water harvesting is a ma jor method implemented f or_____________ (Answer : A)
???????? ???????? ???????????? a) Water Conservation b ????b) Soil Conservation c ????c) Forest conservation d ????d)Ecological
conservation
???????????? 376 ???? ????Salmonellosis is a disease related to consumption of (Answer : D)
???????? ???????? ???????????? a) Chicken b ????b) Eggs c ????c) Mutton d ????d)Fish
???????????? 377 ???? ????Soil pollution is caused by.... (Answer : D)
???????? ???????? ???????????? a) a) Industrial wastes ????b) b) Detergents ????c) c) Agrochemicals ????d)d) All of these
???????????? 378 ???? ????Some pollutants combine with hemoglobin and impede oxygen tr ansport. Such pollutants are...
(Answer : C)
???????? ???????? ???????????? a) a) SO 3 ????b) b) N2 O ????c) c) CO ????d)d) All of these
???????????? 379 ???? ????Spr aying of DDT to kill insects causes pollution of..... (Answer : D)
???????? ???????? ???????????? a) a) Air ????b) b) Water ????c) c) Soil ????d)d) All of these
???????????? 380 ???? ????Superbugs are (Answer : B)
???????? ???????? ???????????? a) Synthetic bug b ????b) Bacteria c ????c) Radio nucleotide d ????d)Industries
???????????? 381 ???? ????The 3 R principle in waste management involves (Answer : B)
???????? ???????? ???????????? a) Reduce, Regain, Reuse b ????b) Reduce, Reuse, Recycle c ????c) Reduce, Ref orm, Reset d ????d)Reduce,
Retain, Regain
???????????? 382 ???? ????The Anthr ax disease is caused by (Answer : B)
???????? ???????? ???????????? a) Virus b ????b) Bacteria c ????c) Protozoa d ????d)Helminthes
???????????? 383 ???? ????The chemical structure of Ozone is (Answer : B)
???????? ???????? ???????????? a) O 2 ????b) O3 ????c) O4 ????d)OZ3
???????????? 384 ???? ????The controversial dam across the river Narmada? (Answer : A)
???????? ???????? ???????????? a) Sardar Sarovar b ????b) Hir akud c ????c) Bhakr anangal d ????d)Sutlej.
???????????? 385 ???? ????The deadliest Tsunami in recorded history took place on (Answer : A)
???????? ???????? ???????????? a) 26-Dec-2004 b ????b) 26-Dec-2000 c ????c) 15-Nov-1990 d ????d)15-Dec-1999
???????????? 386 ???? ????The environmental stresses caused by urban individuals are expressed by (Answer : B)
???????? ???????? ???????????? a) Ecological pyr amid ????b) (b) Ecological f ootprint ????c) (c) Ecological indicators ????d)(d) Ecological index
???????????? 387 ???? ????The Expansion of SPCA (Answer : B)
???????? ???????? ???????????? a) Society f or the Protection of Common Animals b ????b) Society f or the Prevention of Cruelty to
Animals c ????c) Society f or the Prohibition of Cruelty to Animals d ????d)none
???????????? 388 ???? ????The expansion on PQLI is (Answer : A)
???????? ???????? ???????????? a) physical quality of lif e index b ????b) population quotient of lif e in India c ????c) poor quality of lif e in
India d ????d)poverty, quality of lif e in India
???????????? 389 ???? ????The f unction of ozone layer (Answer : C)
???????? ???????? ???????????? a) a) to prevent strong wind and r ains ????b) b) to f acilitate precipitation at lower levels ????c) c) to protect
earth from sun?s harmf ul ultr a-violet r adiation ????d)d) to increase the supply of oxygen
???????????? 390 ???? ????The historical monument that is af f ected by acid r ain is (Answer : A)
???????? ???????? ???????????? a) Ta j Mahal b ????b) Pyr amid of Egypt c ????c) Pisa T ower d ????d)Golden Temple
???????????? 391 ???? ????The intensity of earthquake is measured in ____________ (Answer : B)
???????? ???????? ???????????? a) Beauf ort scale b ????b) Richter scale c ????c) Mohs scale d ????d)Joules
???????????? 392 ???? ????The ma jor cause of depletion of ozone layer in the atmosphere is... (Answer : B)
???????? ???????? ???????????? a) a) Freon Gases ????b) b) CFC ????c) c) N 2 O ????d)d) CO 2
???????????? 393 ???? ????The ma jor reason why earth?s surf ace increases its temper ature is due to (Answer : C)
???????? ???????? ???????????? a) a) The earth?s surf ace is getting exposed ????b) b) The increase in the use of plastics ????c) c) About
75% of the solar energy reaching the earth surf ace is getting absorbed by earth ????d)The depleation of ozone
???????????? 394 ???? ????The method of simultaneous integr ation of trees with agricultur al crops is called (Answer : A)
???????? ???????? ???????????? a) Agro f orestry b ????b) Def orestation c ????c) Ref orestation d ????d)combined culture
???????????? 395 ???? ????The most widely f ound pollutant in the air is..... (Answer : A)
???????? ???????? ???????????? a) a) CO 2 ????b) b) CFC ????c) c) CO ????d)d) SO 2
???????????? 396 ???? ????The movement ?Pani Pan jayath? was initiated to conserve waters in the drought prone areas of
...................state. (Answer : C)
???????? ???????? ???????????? a) Tamilnadu b ????b) Ra jasthan c ????c) Mahar ashtr a d ????d)Karnataka
???????????? 397 ???? ????The nations threatened by submergence on account of global warming (Answer : D)
???????? ???????? ???????????? a) a) Pakistan and Afghanistan ????b) b) Ir an and Bangladesh ????c) c) Peru and West Indies ????d)d)
Bangladesh and Maldives
???????????? 398 ???? ????The pro jected rise in sea level in the near f uture (Answer : C)
???????? ???????? ???????????? a) a) 1.5 m ????b) b) 1.2 cm to 2.2 cm ????c) c) 9 cm to 88 cm ????d)d) 10 cm to 20 cm
???????????? 399 ???? ????The pro jected rise in temper ature in the next f ew decades (Answer : B)
???????? ???????? ???????????? a) a) 1.5 to 2 O C ????b) b) 1.4 to 5.8 O C ????c) c) 2.5 to 3.9 O C ????d)d) 1.5 to 9.2 O C
???????????? 400 ???? ????The R?s in 3Rs Principle stand f or; (Answer : B)
???????? ???????? ???????????? a) a) Reduce, Readiness, Redo ????b) b) Reduce, Reuse, Recycle ????c) c) Reclaim, Remedy,
Remembr ance ????d)d) Reduce, Register, Redo
???????????? 401 ???? ????The term ?Nuclear winter? is associated with (Answer : D)
???????? ???????? ???????????? a) Nuclear War b ????b) Nuclear disarmament c ????c) Nuclear weapon testing d ????d)After ef f ect of a
nuclear explosion
???????????? 402 ???? ????The word Tsunami is derived from two Japanese words (Answer : B)
???????? ???????? ???????????? a) tsu(big) and nami(flow) ????b) tsu(harbour) and nami(wave) ????c) tsu(big wave) and nami(wave)
????d)None of these
???????????? 403 ???? ????The World Wetlands Day is celebr ated on ________ (Answer : A)
???????? ???????? ???????????? a) February 02 b ????b) February 28 c ????c) June 05 d ????d)March 21
???????????? 404 ???? ????T orrey Canyon is f amous f or (Answer : D)
???????? ???????? ???????????? a) Gulf of War b ????b) Industries c ????c) Electric Potential d ????d)Oil spillage
???????????? 405 ???? ????Utilisation of natur al resources in moder ate manner to remaining something f or the next gener ation is
termed as (Answer : B)
???????? ???????? ???????????? a) a) Resettlement ????b) b) Sustainable development ????c) c) Rehabilitation ????d)d) Mutual development
???????????? 406 ???? ????Vermi-composting is a natur al method of (Answer : A)
???????? ???????? ???????????? a) Producing compost manure b ????b) Producing worms c ????c) Managing waste it creates d
????d)Destroying worms
???????????? 407 ???? ????Water pollution is caused by.... (Answer : B)
???????? ???????? ???????????? a) a) CO ????b) b) Fertilizers ????c) c) PAN ????d)d) Fossil f uels
???????????? 408 ???? ????What are the chemicals that lead to acid r ain? (Answer : B)
???????? ???????? ???????????? a) A) hydrogen peroxide ????b) B) sulf ur dioxide & nitrogen oxide ????c) C) Carbon dioxide ????d)D)
Ammonium phosphate & various silicates.
???????????? 409 ???? ????What causes acid r ain? (Answer : B)
???????? ???????? ???????????? a) A) open def ecation ????b) B) burning of f ossil f uels ????c) C) increase spread of paddy fields ????d)D)
the use of cowdung.
???????????? 410 ???? ????What is ?Black Lung?? (Answer : A)
???????? ???????? ???????????? a) Occupational Hazard to the miners b ????b) Occupational Hazard to navigators c ????c) Occupational
Hazard to pesticide applicators. d ????d)None of these
???????????? 411 ???? ????What is ?tempor ary threshold shift?? (Answer : A)
???????? ???????? ???????????? a) Hearing loss due to excessive noise b ????b) Noise that is untoler able c ????c) T oler able noise d
????d)inaudible noise
???????????? 412 ???? ????What is Bagasse? What is it used f or? (Answer : A)
???????? ???????? ???????????? a) Sugar cane waste ? to make paper b ????b) Biogas ? used as f uel c ????c) Liquid waste ? as f ertilizer d
????d)Vermi compost ? as f ertilizer
???????????? 413 ???? ????What is Carcinogen? (Answer : C)
???????? ???????? ???????????? a) Drugs f or curing inf ectious disease b ????b) Drugs used f or curing cancer c ????c) Cancer causing
agent d ????d)Food colour ants
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???????????? 12 ???? ????World Environment Day (Answer : A)
???????? ???????? ???????????? a) 5th June ????b) 5th July ????c) 5th August ????d)5th September
???????????? 13 ???? ????The biggest award f or environmental activities in India is given in the name of an individual. In whose
name is it constituted? (Answer : C)
???????? ???????? ???????????? a) Lal Bahadur Shasthri ????b) Mor ar ji Desai ????c) Indir a Gandhi ????d)Kamar a j.
???????????? 14 ???? ????All f orms of water that comes down on Earth, including r ain, snow, hail etc. is known as _____________
(Answer : C)
???????? ???????? ???????????? a) Calcification ????b) Fixation ????c) Precipitation ????d)Accumulation
???????????? 15 ???? ????The ocean covers ________ percentage of Earth?s surf ace. (Answer : C)
???????? ???????? ???????????? a) 515 ????b) 0.61 ????c) 0.71 ????d)0.91
???????????? 16 ???? ????The portion of the earth and its environment which can support lif e is known as _________ (Answer : B)
???????? ???????? ???????????? a) Crust ????b) Biosphere ????c) Exosphere ????d)Atmosphere
???????????? 17 ???? ????What is troposphere? (Answer : C)
???????? ???????? ???????????? a) Portion of air ????b) Portion of water ????c) Lowest layer of atmosphere where we survive
????d)Portion of sky
???????????? 18 ???? ????The main energy source f or the environment is ________ (Answer : A)
???????? ???????? ???????????? a) Solar energy ????b) Chemical energy ????c) Bioelectric energy ????d)Electrical energy
???????????? 19 ???? ????What is UNCED? (Answer : C)
???????? ???????? ???????????? a) United Nations Conf erence on Education ????b) United Nations Conf erence on Environmental Day
????c) United Nations Conf erence on Environment and Development ????d)None of these.
???????????? 20 ???? ????Atmospheric humidity is measured by (Answer : C)
???????? ???????? ???????????? a) Auxanometer ????b) Photometer ????c) Hygrometer ????d)None
???????????? 21 ???? ????The area to which a species is biologically adapted to live is known (Answer : B)
???????? ???????? ???????????? a) Niche ????b) Habitat ????c) Succession ????d)Community
???????????? 22 ???? ????Study of inter-relationship between organisms and their environment is called (Answer : A)
???????? ???????? ???????????? a) Ecology ????b) Ecosystem ????c) Phytogeogr aphy ????d)Ethology
???????????? 23 ???? ????The term Ecology was coined by (Answer : B)
???????? ???????? ???????????? a) A.G.Tansley ????b) Earnst Haeckel ????c) Aristotle ????d)Linnaeus
???????????? 24 ???? ????An example of an abiotic component (Answer : B)
???????? ???????? ???????????? a) Plants ????b) Soil ????c) Animals ????d)Bacteria
???????????? 25 ???? ????The area to which a species is biologically adapted to live is known (Answer : B)
???????? ???????? ???????????? a) Niche ????b) Habitat ????c) Succession ????d)Community
???????????? 26 ???? ????The objective of environmental education is (Answer : D)
???????? ???????? ???????????? a) Raise consciousness about environmental education ????b) T o teach environmentally appropriate
behaviour ????c) Create an environmental ethic that f osters awareness about ecological inter-dependence of economics,
social and political ????d)All of the above
???????????? 27 ???? ????Which of the f ollowing is not influenced by human activities? (Answer : A)
???????? ???????? ???????????? a) Depletion of ground water ????b) Destruction of mangroves and wetlands ????c) Increased extinction
r ate of species ????d)None of the above
???????????? 28 ???? ????Environmental education is important only at (Answer : D)
???????? ???????? ???????????? a) Primary school stage ????b) Secondary school stage ????c) Collage stage ????d)All stages
???????????? 29 ???? ????Which of the f ollowing conceptual components of the environment are ef f ective tr ansporters of
matter? (Answer : A)
???????? ???????? ???????????? a) Atmosphere and hydrosphere ????b) (b) Atmosphere and lithosphere ????c) (c) Hydrosphere and
lithosphere ????d)(d) Lithosphere and biosphere
???????????? 30 ???? ????Biosphere is (Answer : B)
???????? ???????? ???????????? a) (a) The solid shell of inorganic materials on the surf ace of the Earth ????b) (b) The thin shell of
organic matter on the surf ace of earth comprising of all the living things ????c) (c) The sphere which occupies the
maximum volume of all the spheres ????d)(d) All of the above
???????????? 31 ???? ????Which of the f ollowing conceptual sphere of the environment is having the least stor age capacity f or
matter? (Answer : A)
???????? ???????? ???????????? a) (a) Atmosphere ????b) (b) Lithosphere ????c) (c) Hydrosphere ????d)(d) Biosphere
???????????? 32 ???? ????Which of the f ollowing is an example of impact of development activities on the Hydrosphere? (Answer
: D)
???????? ???????? ???????????? a) (a) Air pollution ????b) (b) Soil pollution ????c) (c) Soil erosion ????d)(d) Water pollution
???????????? 33 ???? ????Weather occurs in the Earths: (Answer : A)
???????? ???????? ???????????? a) (a) Troposhere ????b) (b) Mesophere ????c) (c) Ionosphere ????d)(d) Thermosphere
???????????? 34 ???? ????Biosphere is a term used to represent the: (Answer : C)
???????? ???????? ???????????? a) (a) Entire atmosphere consisting of troposphere, str atosphere, mesosphere, and thermosphere
????b) (b) Entire hydrosphere-representing the entire collection of water over the Earth as well as inside the Earth ????c) (c)
A small zone of Earth, where the lithosphere, hydrosphere, and atmosphere come in contact with one another ????d)(d)
Entire lithosphere-representing the solid Earth and its interior
???????????? 35 ???? ????The term ecology was introduced by: (Answer : A)
???????? ???????? ???????????? a) (a) Haeckel ????b) (b) Odum ????c) (c) Tansely ????d)(d) Ramdeo Mishr a
???????????? 36 ???? ????The study of inter actions between living and non-living organisms and environment is called (Answer :
B)
???????? ???????? ???????????? a) (a) Ecosystem ????b) (b) Ecology ????c) (c) Phyto-geogr aphy ????d)(d) Phytosociology
???????????? 37 ???? ????An ecosystem consist of (Answer : D)
???????? ???????? ???????????? a) (a) Green plants and animals ????b) (b) Green plants and decomposers ????c) (c) Producers and
consumers ????d)(d) Green plants, animals, decomposers and abiotic environment
???????????? 38 ???? ????The environment which has been modified by human activities is called (Answer : B)
???????? ???????? ???????????? a) (a) Natur al environment ????b) (b) Anthropogenic environment ????c) (c) Modem environment ????d)(d)
Urban environment
???????????? 39 ???? ????Which of the f ollowing statements is not true? (Answer : C)
???????? ???????? ???????????? a) (a) Inorganic nutrients are recycled in an ecosystem ????b) (b) Energy flows through the ecosystem
in the f orm of C-C bonds ????c) (c) Energy is recycled in an ecosystem ????d)(d) Respir ation process releases energy
???????????? 40 ???? ????Driving f orce in an ecosystem is (Answer : C)
???????? ???????? ???????????? a) (a) Plants ????b) (b) Producers ????c) (c) Solar energy ????d)(d) Biomass energy
???????????? 41 ???? ????Physical and chemical components of an ecosystem constitute (Answer : C)
???????? ???????? ???????????? a) (a) Biotic structure ????b) (b) Abioltic structure ????c) (c) Both of these ????d)(d) None of these
???????????? 42 ???? ????Which one of the f ollowing is an abiotic component of the ecosystem? (Answer : C)
???????? ???????? ???????????? a) (a) Bacteria ????b) (b) Plants ????c) (c) Humus ????d)(d) Fungi
???????????? 43 ???? ????Which of the f ollowing is a possible producer in an ecosystem? (Answer : A)
???????? ???????? ???????????? a) (a) Plants ????b) (b) Animals ????c) (c) Human beings ????d)(d) Fish
???????????? 44 ???? ????The organisms which f eed on dead organisms and excreta of living organisms are known (Answer : A)
???????? ???????? ???????????? a) (a) Decomposers ????b) (b) Consumers ????c) (c) Producers ????d)(d) Carnivores
???????????? 45 ???? ????A trophic level ref ers to: (Answer : C)
???????? ???????? ???????????? a) (a) Area in the tropics ????b) (b) An organism?s portion in a f ood chain ????c) (c) An organism?s
position in an ecosystem ????d)(d) An organism?s position in a biome
???????????? 46 ???? ????In a f ood chain animals constitute the: (Answer : C)
???????? ???????? ???????????? a) (a) First trophic level ????b) (b) Second trophic level ????c) (c) Intermediate trophic level ????d)(d)
Ultimate trophic level
???????????? 47 ???? ????The f ood chain in which microorganisms breakdown dead producers is called: (Answer : D)
???????? ???????? ???????????? a) (a) Consumer f ood chain ????b) (b) Predator f ood chain ????c) (c) Par asitic f ood chain ????d)(d) Detritus
f ood chain
???????????? 48 ???? ????Food chain starts with (Answer : A)
???????? ???????? ???????????? a) (a) Producer ????b) (b) Herbivores ????c) (c) Carnivores ????d)(d) Omnivores
???????????? 49 ???? ????In a f ood chain, humans are (Answer : D)
???????? ???????? ???????????? a) (a) Secondary consumers ????b) (b) Primary consumer ????c) (c) Producers ????d)(d) Primary and
secondary consumers both
???????????? 50 ???? ????Which one is the correct f ood chain? (Answer : A)
???????? ???????? ???????????? a) (a) Phytoplankton ?? Zooplankton ?? Fish ????b) (b) Zooplankton ?? Phytoplankton ?? Fish ????c)
(c) Zooplankton ?? Protozoans ?? Fish ????d)(d) Gr ass ?? Fish ?? Zooplankton
???????????? 51 ???? ????A f ood web consists of (Answer : A)
???????? ???????? ???????????? a) (a) Interlocking f ood chains ????b) (b) Producers, consumers and decomposers ????c) (c) A portion of
a f ood chain ????d)(d) A set of similar consumers
???????????? 52 ???? ????Food webs are (Answer : C)
???????? ???????? ???????????? a) (a) One kind of f ood ????b) (b) Not related to f ood chains at all ????c) (c) Inter-connected arr angement
of f ood chains ????d)(d) Linear arr angement of f ood chains
???????????? 53 ???? ????Pyr amid of number is given by (Answer : C)
???????? ???????? ???????????? a) (a) Haeckel ????b) (b) Odum ????c) (c) Elton ????d)(d) Tansely
???????????? 54 ???? ????Which ecological pyr amid is always upright? (Answer : C)
???????? ???????? ???????????? a) (a) Pyr amid of number ????b) (b) Pyr amid of biomass ????c) (c) Pyr amid of energy ????d)(d) Pyr amid of
number and biomass
???????????? 55 ???? ????An ecological pyr amid ref ers to the (Answer : D)
???????? ???????? ???????????? a) (a) Pyr amid of energy ????b) (b) Pyr amid of number ????c) (c) Pyr amid of biomass ????d)(d) All of the
above
???????????? 56 ???? ????An ecosystem may not undergo changes because: (Answer : A)
???????? ???????? ???????????? a) (a) It is in a state of homeostasis ????b) (b) It has plants and animals both ????c) (c) It gets solar
energy continuously ????d)(d) The decomposers are present in it
???????????? 57 ???? ????Energy flow in an ecosystem is always: (Answer : A)
???????? ???????? ???????????? a) (a) Unidirectional ????b) (b) Cyclic ????c) (c) Reversible ????d)(d) Multi-directional
???????????? 58 ???? ????The primary producers in a f orest ecosystem are: (Answer : A)
???????? ???????? ???????????? a) (a) Chlorophyll containing trees and plants ????b) (b) Herbivores ????c) (c) Carnivores ????d)(d) Bacteria
and other micro-organism
???????????? 59 ???? ????The desert among the f ollowing which is not a cold desert is: (Answer : D)
???????? ???????? ???????????? a) (a) Golbi desert ????b) (b) Patagonian desert ????c) (c) Atacama desert ????d)(d) Ma java desert
???????????? 60 ???? ????The darker zone in lakes where light penetr ation is negligible is called the: (Answer : D)
???????? ???????? ???????????? a) (a) Euphotic zone ????b) (b) Littor al zone ????c) (c) Limnetic zone ????d)(d) Benthic zone
???????????? 61 ???? ????The zone of a sea lying over the continental shelf is known as the: (Answer : B)
???????? ???????? ???????????? a) (a) Bathyl zone ????b) (b) Neritic zone ????c) (c) Abyssal zone ????d)(d) Littor al zone
???????????? 62 ???? ????Which one of the f ollowing is not a fresh water biome? (Answer : A)
???????? ???????? ???????????? a) (a) Lotic ????b) (b) Lentic ????c) (c) Spings ????d)(d) Deep sea
???????????? 63 ???? ????Tendency of pollutants to become concentr ated in successive trophic levels is known as: (Answer : A)
???????? ???????? ???????????? a) (a) Biomagnification ????b) (b) Biorhythm ????c) (c) Bioremediation ????d)(d) Biopir acy
???????????? 64 ???? ????Eutrophication is: (Answer : B)
???????? ???????? ???????????? a) (a) An improved water quality status of lakes ????b) (b) The result of accumulation of plant nutrients
in water bodies ????c) (c) A process in the carbon cycle ????d)(d) A water purification technique
???????????? 65 ???? ????Increase in f auna and decrease in flor a would be harmf ul due to increase in: (Answer : B)
???????? ???????? ???????????? a) (a) Diseases ????b) (b) CO ????c) (c) O2 ????d)(d) Radioactive pollution
???????????? 66 ???? ????The largest reservoir of nitrogen an our planet is: (Answer : B)
???????? ???????? ???????????? a) (a) Ocean ????b) (b) Atmosphere ????c) (c) Biosphere ????d)(d) Fossil f uels
???????????? 67 ???? ????Overgr azing results in: (Answer : A)
???????? ???????? ???????????? a) (a) Soil erosion ????b) (b) Retention of usef ul species ????c) (c) Productive soils ????d)(d) All of the
above
???????????? 68 ???? ????In the world, the economy of the India is: (Answer : D)
???????? ???????? ???????????? a) (a) Largest ????b) (b) Third largest ????c) (c) Second largest ????d)(d) Fourth largest
???????????? 69 ???? ????In services output, India is: (Answer : C)
???????? ???????? ???????????? a) 10 ????b) 12 ????c) 15 ????d)4
???????????? 70 ???? ?????Smog? is a mixture of (Answer : A)
???????? ???????? ???????????? a) a) Smoke and Fog ????b) (b) Snow and Fog ????c) ( c) Snow and Dust ????d)(d) Sulphur Dioxide and
Fog
???????????? 71 ???? ????A liquid f uel that was f ormed from the ancient remains of sea plants and animals is (Answer : B)
???????? ???????? ???????????? a) Natur al gasb ????b) Petroleumc ????c) Geothermal energyd ????d)Coal
???????????? 72 ???? ????A poisonous gas given out of vehicles exhaust is (Answer : A)
a) Carbon monoxideb ????b) Ethanec ????c) Methaned ????d)Carbon dioxide
???????????? 73 ???? ????A product of photosynthesis is (Answer : C)
???????? ???????? ???????????? a) Carbon dioxideb ????b) Waterc ????c) Oxygend ????d)Chlorophyll
???????????? 74 ???? ????Atmosphere consists of 79 percent Nitrogen and 21 percent Oxygen by (Answer : B)
???????? ???????? ???????????? a) Volumeb ????b) Weightc ????c) Densityd ????d)All of these
???????????? 75 ???? ????Biogas contains mainly (Answer : B)
???????? ???????? ???????????? a) Carbon dioxideb ????b) Methanec ????c) Butaned ????d)Propane
???????????? 76 ???? ????Carbon dioxide constitutes about 0.03% of the atmosphere (Answer : A)
???????? ???????? ???????????? a) By volume(b ????b) By weight(c ????c) By mass(d ????d)None of these
???????????? 77 ???? ????Development activities on the hydrosphere cause (Answer : C)
???????? ???????? ???????????? a) Air pollutionb ????b) Soil pollutionc ????c) Water pollutiond ????d)Soil erosion
???????????? 78 ???? ????Energy flow in an ecosystem is (Answer : C)
???????? ???????? ???????????? a) Bidirectionalb ????b) Unidirectionalc ????c) Multidirectionald ????d)All rounds
???????????? 79 ???? ????Energy from the heat inside the earth is (Answer : B)
???????? ???????? ???????????? a) a Natur al gas ????b) Geothermalc ????c) Petroleumd ????d)Terr athermal
???????????? 80 ???? ????Energy in the r ays from the sun is called (Answer : A)
???????? ???????? ???????????? a) Solar energyb ????b) Wind energyc ????c) Tidal energyd ????d)Water energy
???????????? 81 ???? ????Environment is the lif e support system that includes (Answer : D)
???????? ???????? ???????????? a) Airb ????b) Waterc ????c) Landd ????d)All of the above
???????????? 82 ???? ????Extensive planting of trees to increase cover is called (Answer : A)
???????? ???????? ???????????? a) Af f orestation(b ????b) Agrof orestation(c ????c) Def orestation(d ????d)Social f orestry
???????????? 83 ???? ????Extensive planting of trees to increase f orest cover is called (Answer : A)
???????? ???????? ???????????? a) Af f orestation, b ????b) Agrof orestry, c ????c) Def orestation, d ????d)Social f orestry
???????????? 84 ???? ????Forest and wild lif e are (Answer : A)
???????? ???????? ???????????? a) Renewable resource(b ????b) Non-renewable resources (c ????c) Inexhaustible resources (d ????d)None
of these
???????????? 85 ???? ????Forests prevent soil erosion by binding soil particles in their (Answer : B)
???????? ???????? ???????????? a) Leaves(b ????b) Roots(c ????c) Buds(d ????d)Stems
???????????? 86 ???? ????Formation of hole in Ozone is maximum over (Answer : C)
???????? ???????? ???????????? a) Indiab ????b) Europec ????c) Antarcticad ????d)Africa
???????????? 87 ???? ????Fossil f uel and metallic miner als are: (Answer : C)
???????? ???????? ???????????? a) Renewable resource (b ????b) Inexhaustible resources (c ????c) Non-renewable resources (d ????d)None
of these
???????????? 88 ???? ????Green house ef f ect is linked to (Answer : C)
???????? ???????? ???????????? a) Nitrogen oxidesb ????b) Sulphur dioxidesc ????c) Carbon dioxidesd ????d)Carbon monoxides
???????????? 89 ???? ????In our country the percentage of land under f orest is about: (Answer : B)
???????? ???????? ???????????? a) 20%(b ????b) 19%(c ????c) 25%(d ????d)30%
???????????? 90 ???? ????In respect of water crisis, there have been conflicts/disputes between two countries, or states of the
same country. Which of the f ollowing has never been the case of water conflict? (Answer : D)
???????? ???????? ???????????? a) Cauvery water dispute between Tamil Nadu and Karnataka (b ????b) Yamuna-Betwa dispute between
U.P. and M.P. (c ????c) Sutlej Yamuna Link (SYL ????d)canal dispute between Pun jab and Haryana (d
???????????? 91 ???? ????Instrumentation technology used to locate suitable places f or mining (Answer : C)
???????? ???????? ???????????? a) a) Microscope ????b) b) Salinometer ????c) c) GIS ????d)d) camer a tr ap
???????????? 92 ???? ????Kaveri water dispute is in between: (Answer : D)
???????? ???????? ???????????? a) India and Pakistan (b ????b) Pun jab and Haryana (c ????c) Uttar Pr adesh and Madhya Pr adesh (d
????d)Karnataka and Tamil Nadu
???????????? 93 ???? ????Khetri (Ra jasthan) is f amous f or: (Answer : B)
???????? ???????? ???????????? a) Coal mines(b ????b) Copper mines(c ????c) Gr anite stone(d ????d)Marble stone
???????????? 94 ???? ????Main source of acid r ain is (Answer : A)
???????? ???????? ???????????? a) Sulphur dioxideb ????b) Nitrogenc ????c) Carbon dioxided ????d)Carbon monoxide
???????????? 95 ???? ????Ma jor consumer of wood from f orest is ___________ (Answer : B)
???????? ???????? ???????????? a) Thermal Power Plant ????b) Paper Industry ????c) Chemistry Industry ????d)none
???????????? 96 ???? ????Moisture in the air is known as (Answer : D)
???????? ???????? ???????????? a) a) Water ????b) (b) Fog ????c) ( c) Snow ????d)(d) Humidity
???????????? 97 ???? ????Name the country which virtually closed cod fishery in the 1990?s due to depletion of fish reserves
(Answer : A)
???????? ???????? ???????????? a) a) Canada ????b) b) Argentina ????c) c) Italy ????d)d) India
???????????? 98 ???? ????Name the financial agency which hesistate to support the Sardar Sarovar Pro ject in India in 1993 a result
of the demands of local people threatened with the loss of their livelihoods and homes in the submergence area.
(Answer : B)
???????? ???????? ???????????? a) a) Swiss bank ????b) b) World Bank ????c) c) Bank of India ????d)d) International Monetary Fund
???????????? 99 ???? ????Nitrogen constitutes about 78% of the atmosphere (Answer : C)
???????? ???????? ???????????? a) By weight(b ????b) By mass(c ????c) By volume(d ????d)None of these
???????????? 100 ???? ????Noise is measured by sound meter and the unit is (Answer : C)
???????? ???????? ???????????? a) Hertzb ????b) Joulec ????c) Decibeld ????d)Seconds
???????????? 101 ???? ????One of India?s serious environmental problems is f orest degr adation. What is the main cause of f orest
degr adation? (Answer : A)
???????? ???????? ???????????? a) timber extr action ????b) honey extr action ????c) high altitude ????d)Low Rainf all
???????????? 102 ???? ????Ozone day is observed on (Answer : B)
???????? ???????? ???????????? a) 3rd Januaryb ????b) 16th Septemberc ????c) 10th Novemberd ????d)26th March
???????????? 103 ???? ????Ozone Umbrella is located in which layer of atmosphere (Answer : B)
???????? ???????? ???????????? a) a) Troposphere ????b) (b) Str atosphere ????c) (c) Mesosphere ????d)(d) Ionosphere
???????????? 104 ???? ????Peeling of Ozone umbrella, which protects us from UV r ays, is caused by (Answer : B)
???????? ???????? ???????????? a) Carbon monoxideb ????b) CFCsc ????c) Coal burningd ????d)Methane
???????????? 105 ???? ????Soil erosion removes surf ace soil which contains (Answer : A)
???????? ???????? ???????????? a) Organic matterb ????b) Plant nutrientsc ????c) Both a and bd ????d)none of the above
???????????? 106 ???? ????Sustainable development means (Answer : C)
???????? ???????? ???????????? a) a. meeting present needs without compromising on f uture needs ????b) b. progress of human beings
????c) c. balance between human needs and the ability of earth to provide the resources ????d)d. all of the above
???????????? 107 ???? ????The adverse ef f ect of modern agriculture is (Answer : B)
???????? ???????? ???????????? a) Water pollutionb ????b) Soil degr adationc ????c) Water loggingd ????d)All of the above
???????????? 108 ???? ????The f ossil f uel that is derived from the dead remains of plants that grew some 250 million years ago is
(Answer : C)
???????? ???????? ???????????? a) Petroleumb ????b) Natur al gasc ????c) Coald ????d)LPG
???????????? 109 ???? ????The impact of construction of dams (Answer : D)
???????? ???????? ???????????? a) Submerged f orest b ????b) Loss of wild lif e habitat c ????c) Damages downstream ecosystem d ????d)All
of the above
???????????? 110 ???? ????The ma jor cause f or land degr adation in our country is (Answer : A)
???????? ???????? ???????????? a) Soil erosion(b ????b) Pollution of soil(c ????c) Water-logging(d ????d)None of the above
???????????? 111 ???? ????The ma jor reason f or floods in the rivers Ganges and Br ahmaputr a is ________ (Answer : B)
???????? ???????? ???????????? a) a) Dams in Himalayas ????b) b) Def orestation in Himalayas ????c) c) Heavy r ains ????d)d) Melting of ice
???????????? 112 ???? ????The method of r ainwater harvesting which can be adopted by individual house owners is (Answer : D)
???????? ???????? ???????????? a) Construction of recharge trenches (b ????b) On channel stor age of water (c ????c) Creation of new
water bodies (d ????d)Roof-top r ainwater harvesting
???????????? 113 ???? ????The percentage of total world?s precipitation, which is lost to the atmosphere through evapor ation,
approximates to: (Answer : A)
???????? ???????? ???????????? a) 57%(b ????b) 7%(c ????c) 37%(d ????d)43%
???????????? 114 ???? ????The process of restoring f orests that once existed but was removed at some time in the past is known
as (Answer : B)
???????? ???????? ???????????? a) Af f orestationb ????b) Ref orestationc ????c) Def orestationd ????d)None of these
???????????? 115 ???? ????The share of Hydropower (Hydel pro jects) in worlds commercial electricity production is less than ________
(Answer : D)
???????? ???????? ???????????? a) 2.00% ????b) 4.00% ????c) 12.00% ????d)20.00%
???????????? 116 ???? ????The species restricted to be present in one region are called (Answer : B)
???????? ???????? ???????????? a) Edge speciesb ????b) Endemic species c ????c) Endangered species d ????d)Keystone species
???????????? 117 ???? ????The teeth are likely to be pitted, more susceptible to cavities and wear, when the fluoride concentr ation
is: (Answer : D)
???????? ???????? ???????????? a) More than 2 mg/1 (b ????b) More than 40 mg/1 (c ????c) More than 20 mg/1 (d ????d)More than 4 mg/1
???????????? 118 ???? ????The term ?Environment? has been derived from the French word which means to encircle or surround
(Answer : A)
???????? ???????? ???????????? a) Environb ????b) Oikosc ????c) Geod ????d)Aqua
???????????? 119 ???? ????Wetlands in the flood plains of rivers are also considered as nature?s ________ (Answer : C)
???????? ???????? ???????????? a) a) Heat sink ????b) b) carbon sink ????c) c) flood control systems ????d)d) swimming pool
???????????? 120 ???? ????What are rodenticides? (Answer : C)
???????? ???????? ???????????? a) that kill fishes ????b) that kill insects ????c) that kill r ats ????d)that kill crocos
???????????? 121 ???? ????What is Kyoto Protocol? (Answer : A)
???????? ???????? ???????????? a) a. It is an agreement among countries to take steps f or reducing global warming. ????b) b. It is an
agreement among countries to take steps f or reducing acid r ain. ????c) c. It is an agreement among countries to take steps
f or planting trees to control pollution. ????d)d. It is an agreement among countries to start using nuclear energy.
???????????? 122 ???? ????What is the ma jor limiting f actor in the arid areas of our country? (Answer : C)
???????? ???????? ???????????? a) a) Money ????b) b) f orests ????c) c) water ????d)d) soil
???????????? 123 ???? ????What kind of people are the most ill-af f ected by the construction of dams? (Answer : D)
???????? ???????? ???????????? a) a) Urban dwellers ????b) b) beach dwellers ????c) c) tourists ????d)d) tribal people
???????????? 124 ???? ????When fluoride concentr ation in H2O exceeds about 1.5 mg/1, the disease that may be caused, is
(Answer : B)
???????? ???????? ???????????? a) Dental caries in children(b ????b) Fluorosis(c ????c) Polymyelitis(d ????d)Methemoglobinemia
???????????? 125 ???? ????Which among the f ollowing is a sedimentary type of cycle? (Answer : A)
???????? ???????? ???????????? a) Sulphur cycle(b ????b) Nitrogen cycle(c ????c) Oxygen cycle(d ????d)Carbon cycle
???????????? 126 ???? ????Which gas is responsible f or ozone layer depletion around earth? (Answer : B)
???????? ???????? ???????????? a) Carbon dioxideb ????b) Chlorofluorocarbonsc ????c) Oxygend ????d)Nitrogen oxide
???????????? 127 ???? ????Which gas is responsible f or the global warming? (Answer : B)
???????? ???????? ???????????? a) Nitrogenb ????b) Carbon dioxidec ????c) Noble gasesd ????d)Hydrogen
???????????? 128 ???? ????Which is a list of renewable resources? (Answer : D)
???????? ???????? ???????????? a) Petroleum, geothermal, wind b ????b) Biomass, geothermal, hydropower c ????c) Natur al gas, wind,
biomass d ????d)Hydropower, solar, wind energy
???????????? 129 ???? ????Which is the only country who has not r atified the Kyoto Protocol yet? (Answer : A)
???????? ???????? ???????????? a) United States ????b) Austr alia ????c) Japan ????d)India
???????????? 130 ???? ????Which of below items is the ma jor sector which extr acts most of fresh water available f or utilization?
(Answer : D)
???????? ???????? ???????????? a) domestic use ????b) drinking water ????c) bever age industry ????d)agriculture
???????????? 131 ???? ????Which of the f ollowing are consequences of ozone depletion (Answer : A)
???????? ???????? ???????????? a) Skin cancer and catar actb ????b) Reduced growth in plants c ????c) Shortening of zooplanktons and
their breeding period d ????d)All of the above
???????????? 132 ???? ????Which of the f ollowing are ma jor environmental issues involved in mining? (Answer : D)
???????? ???????? ???????????? a) air pollutionb ????b) water pollutionc ????c) soil degr adationd ????d)all of the above
???????????? 133 ???? ????Which of the f ollowing ef f ect is responsible f or Global Warming? (Answer : A)
???????? ???????? ???????????? a) Green house ef f ectb ????b) Radioactive ef f ectc ????c) Solar ef f ectd ????d)Nuclear ef f ect
???????????? 134 ???? ????Which of the f ollowing is management option f or air pollution? (Answer : D)
???????? ???????? ???????????? a) Regulations and standardsb ????b) Tr ansport planningc ????c) Using CNG as f ueld ????d)All of these
???????????? 135 ???? ????Which of the f ollowing is not a method f or water conservation? (Answer : B)
???????? ???????? ???????????? a) Rainwater harvesting(b ????b) Groundwater extr action (c ????c) Improving irrigation ef ficiency (d
????d)Avoiding water wastage
???????????? 136 ???? ????Which of the f ollowing is not a viable protection against def orestation? (Answer : C)
???????? ???????? ???????????? a) Reduce the consumption of f orest and related products (b ????b) Boycott products of companies
involve in def orestation (c ????c) Privatisation of f orest land (d ????d)Environmental education
???????????? 137 ???? ????Which of the f ollowing is not influenced by human activities? (Answer : D)
???????? ???????? ???????????? a) Destruction of mangroves and wetlands b ????b) Depletion of ground water c ????c) Increased
extinction r ate of species d ????d)None of the above
???????????? 138 ???? ????Which of the f ollowing is not true about def orestation? (Answer : C)
???????? ???????? ???????????? a) Population explosion is one of the reasons f or def orestation (b ????b) Cleaning of f orest f or
agriculture causes def orestation. (c ????c) Def orestation is taking place only in developing courtiers. (d ????d)Cash crop
economy of third world is a cause of def orestation.
???????????? 139 ???? ????Which of the f ollowing is responsible f or desertification? (Answer : D)
???????? ???????? ???????????? a) Def orestation(b ????b) Mining(c ????c) Overgr azing(d ????d)All of the above
???????????? 140 ???? ????Which of the f ollowing statements about the f orest is not correct? (Answer : D)
???????? ???????? ???????????? a) Forest reduces soil erosion (b ????b) Provides recreational opportunities (c ????c) Provides economic
development (d ????d)None of the above
???????????? 141 ???? ????Which of these is not a f ossil f uel? (Answer : D)
???????? ???????? ???????????? a) Coalb ????b) Oilc ????c) Natur al gasd ????d)Ur anium
???????????? 142 ???? ????Which one of the f ollowing is not an ideal solution f or tackling water shortages? (Answer : D)
???????? ???????? ???????????? a) Controlling population growth (b ????b) Conserving water in irrigation (c ????c) Controlling water
pollution (d ????d)Drilling large number of deep bore wells
???????????? 143 ???? ????Which one of the f ollowing regions in India is a hotspot of biodiversity? (Answer : B)
???????? ???????? ???????????? a) Sundarbansb ????b) Western Ghatsc ????c) Eastern Ghatsd ????d)Gangetic plains
???????????? 144 ???? ????World environment day is on: (Answer : B)
???????? ???????? ???????????? a) 5th Mayb ????b) 5th Junec ????c) 18th Julyd ????d)16th August
???????????? 145 ???? ????World Forest day is celebr ated on (Answer : A)
???????? ???????? ???????????? a) 21st March b ????b) 5th June c ????c) 1st Dec d ????d)7th June
???????????? 146 ???? ????Yellowing of Ta j Mahal is an ef f ect of (Answer : A)
???????? ???????? ???????????? a) Acid r ainb ????b) Global warmingc ????c) Ozone depletiond ????d)All of the above
???????????? 147 ???? ????Green Revolution in India was initiated by __________ (Answer : A)
???????? ???????? ???????????? a) M.S. Swaminathan ????b) Sunderlal Bahuguna ????c) Kurien ????d)Medha Patkar
???????????? 148 ???? ????Who wrote the book Violence of Green Revolution (Answer : A)
???????? ???????? ???????????? a) Vandana Siva ????b) Sheela Dikshit ????c) Menaka Gandhi ????d)Arundhathi Roy.
???????????? 149 ???? ????World Forest day is celebr ated on (Answer : A)
???????? ???????? ???????????? a) 21st March ????b) 5th June ????c) 1st Dec ????d)7th June
???????????? 150 ???? ????The Chipko movement is started by (Answer : B)
???????? ???????? ???????????? a) Engler ????b) Sunderlal Bahuguna ????c) Medha Padkar ????d)None of these
???????????? 151 ???? ????Green revolution is associated with _________ (Answer : B)
???????? ???????? ???????????? a) sericulture ????b) Agriculture ????c) Fish culture ????d)silviculture
???????????? 152 ???? ????Which gas is likely to be reduced in the atmosphere by def orestation? (Answer : C)
???????? ???????? ???????????? a) Carbon dioxide ????b) Nitrogen ????c) Oxygen ????d)Sulphur dioxide
???????????? 153 ???? ????Extensive planting of trees to increase f orest cover is called (Answer : A)
???????? ???????? ???????????? a) Af f orestation ????b) Agrof orestry ????c) Def orestation ????d)Social f orestry
???????????? 154 ???? ????Soil erosion can be prevented by (Answer : B)
???????? ???????? ???????????? a) Def orestation ????b) Af f orestation ????c) Overgr azing ????d)Removal of vegetation
???????????? 155 ???? ????The components of LPG are _____________ (Answer : B)
???????? ???????? ???????????? a) Methane & Hexane ????b) Propane & Butane ????c) Ethane & Methane ????d)Propane & Ethane
???????????? 156 ???? ????Which of the f ollowing is the most responsible f or world water crisis? (Answer : C)
???????? ???????? ???????????? a) Dams ????b) Floods ????c) Drought ????d)Population growth
???????????? 157 ???? ????The resources that can be replaced by natur al ecological cycle is called (Answer : A)
???????? ???????? ???????????? a) Renewable ????b) Non-renewable ????c) exhaustible ????d)natur al
???????????? 158 ???? ????The amount of solar r adiation reaching the surf ace of the earth is called (Answer : A)
???????? ???????? ???????????? a) Solar flux ????b) reflected light ????c) miner als ????d)solvents
???????????? 159 ???? ????The most harmf ul of ultr aviolet r adiations are (Answer : A)
???????? ???????? ???????????? a) UV-C ????b) UV-B ????c) UV-A ????d)All the above
???????????? 160 ???? ????A renewable source of energy is (Answer : D)
???????? ???????? ???????????? a) Petroleum ????b) Coal ????c) Nuclear f uel ????d)Trees
???????????? 161 ???? ????The capacity to do work is termed as (Answer : D)
???????? ???????? ???????????? a) Power ????b) Force ????c) Strength ????d)Energy
???????????? 162 ???? ????The unit of total water content of the soil is known as (Answer : A)
???????? ???????? ???????????? a) Holard ????b) Chr aserd ????c) Echard ????d)All of the above
???????????? 163 ???? ????Pedology? (Answer : C)
???????? ???????? ???????????? a) Study of water ????b) Study of air ????c) Study of soil ????d)none
???????????? 164 ???? ????What is def orestation? (Answer : B)
???????? ???????? ???????????? a) Product of f orest ????b) Destruction of f orest ????c) Forest Protection ????d)none
???????????? 165 ???? ????Def orestation gener ally decreases (Answer : D)
???????? ???????? ???????????? a) Global Warming ????b) Drought ????c) Soil erosion ????d)Rainf all
???????????? 166 ???? ????Which among the f ollowing result in the f ormation of soil? (Answer : B)
???????? ???????? ???????????? a) Radiation ????b) Weathering ????c) Erosion ????d)Pollution
???????????? 167 ???? ????Mulching helps in (Answer : B)
???????? ???????? ???????????? a) soil f ertility ????b) moisture conservation ????c) improvements soil structure ????d)soil sterility
???????????? 168 ???? ????........................ is an example of ?bottom f eeders?. (Answer : A)
???????? ???????? ???????????? a) Cat fish ????b) Frog ????c) Snake ????d)Tadpole ????e)
???????????? 169 ???? ????..................... trees shed their leaves during winter and hot summer. (Answer : C)
???????? ???????? ???????????? a) (a) ever green ????b) b) conif erous ????c) c) deciduous ????d)d) Shola
???????????? 170 ???? ????...................... is a cold desert in India (Answer : B)
???????? ???????? ???????????? a) Thar ????b) Ladakh ????c) Ran of Kutch ????d)Bhopal
???????????? 171 ???? ????A lake ecosystem f unctions as a (Answer : A)
???????? ???????? ???????????? a) Ter ai ????b) Shola gr asslands ????c) Semi arid plains ????d)Himalayan pastures
???????????? 172 ???? ????An example of nitrogen fixing bacteria in the soil (Answer : C)
???????? ???????? ???????????? a) Rhizobium ????b) Nostoc ????c) Azotobacter ????d)Nitrobacter
???????????? 173 ???? ????An example of one way ecological cycle is (Answer : C)
???????? ???????? ???????????? a) carbon dioxide cycle ????b) water cycle ????c) energy cycle ????d)oxygen cycle
???????????? 174 ???? ????Br ackish water ecosystems in river deltas are among (Answer : B)
???????? ???????? ???????????? a) Least productive ecosystems ????b) Most productive in terms of biomass production ????c) c)
Unproductive d) Stagnant ecosystems ????d)
???????????? 175 ???? ????Ecology is (Answer : C)
???????? ???????? ???????????? a) The science that studies the evolution of lif e, ????b) b) Integr ates both social and natur al sciences to
help us understand how the earth works, ????c) c) The study of the relationships between organisms and their
environment ????d)d) The study of the environment in the absence of humans
???????????? 176 ???? ????Forests grow in high r ain f all areas are (Answer : A)
???????? ???????? ???????????? a) (a) ever green f orests ????b) b) temper ate f orests ????c) c) conif ers ????d)d) Tundr a
???????????? 177 ???? ????Fungi is a (Answer : D)
???????? ???????? ???????????? a) Macroconsumer ????b) Producer ????c) Carnivore d ????d)Microconsumer
???????????? 178 ???? ????Nitrogen fixing blue green alga (Answer : C)
???????? ???????? ???????????? a) Clostridium ????b) Rhizobium ????c) Nostoc ????d)Nitrosomonas
???????????? 179 ???? ????Nitrogen gas returns to the atmosphere by the action of (Answer : B)
???????? ???????? ???????????? a) Nitrogen fixing bacteria ????b) Denitrif ying bacteria ????c) Nitrif ying bacteria ????d)Nitr ate f ertilizers
???????????? 180 ???? ????Patches of tall gr asslands interspersed with Sal f orest ecosystem is (Answer : A)
???????? ???????? ???????????? a) ????b) ????c) ????d)
???????????? 181 ???? ????Ramsar Convention ref ers to the conservation of ____________ (Answer : B)
???????? ???????? ???????????? a) (a) Deserts ????b) b) Wetlands ????c) c) Agriculture lands, ????d)d) Forest land
???????????? 182 ???? ????Some species whose removal can af f ect the survival of an ecosystem are called (Answer : B)
???????? ???????? ???????????? a) ????b) b) Keystone species ????c) c) Producers ????d)d) Carnivores
???????????? 183 ???? ????Sunderbans is home to (Answer : B)
???????? ???????? ???????????? a) Giant permanent pond ????b) Tempor ary aquatic system ????c) Simplest aquatic ecosystem ????d)Water
tank
???????????? 184 ???? ????The conversion of ammonia to nitr ate is known as ________ (Answer : B)
???????? ???????? ???????????? a) (a) ammonification ????b) b) nitrification ????c) c) denitrification ????d)d) all of these
???????????? 185 ???? ????The f orests which occur in law r ain f all area is (Answer : B)
???????? ???????? ???????????? a) (a) Evergreen f orests ????b) b) deciduous f orests ????c) c) Conif erous f orest ????d)d) All the above.
???????????? 186 ???? ????The inherent ability of organisms to reproduce and multiply is called, (Answer : B)
???????? ???????? ???????????? a) C value ????b) b) biotic potential ????c) c) carrying capacity ????d)d) K value
???????????? 187 ???? ????The largest br ackish water lake situated in Asia is in Orissa. Which is the lake? (Answer : A)
???????? ???????? ???????????? a) (a) Chilka lake ????b) b) Vembanad lake ????c) c) Woolar lake ????d)d) Dal lake
???????????? 188 ???? ????The Little Rann of Kutch is home to (Answer : D)
???????? ???????? ???????????? a) Horse ????b) b) Great Indian Bustard ????c) c) Lion ????d)d) Wild Ass
???????????? 189 ???? ????The presence of which is necessary f or photosynthesis (Answer : B)
???????? ???????? ???????????? a) (a) Chlorof orm ????b) b) Chlorophyll ????c) c) Phosphorus ????d)d) Polymer
???????????? 190 ???? ????The process through which ecosystems tend to change after a period of time is called (Answer : A)
???????? ???????? ???????????? a) ????b) ????c) ????d)
???????????? 191 ???? ????The species that flower are called (Answer : C)
???????? ???????? ???????????? a) (a) gymnosperms ????b) b) bryophytes ????c) c) angiosperms ????d)d) algae
???????????? 192 ???? ????The term ?Eco? implies (Answer : A)
???????? ???????? ???????????? a) Environment ????b) Ecotone ????c) Ecotourism ????d)Soil
???????????? 193 ???? ????The term ?Ecology? was coined by (Answer : B)
???????? ???????? ???????????? a) A.G.Tansley ????b) Earnst Haeckel ????c) Aristotle ????d)Linnaeus
???????????? 194 ???? ????The word Biophilia was coined by (Answer : D)
???????? ???????? ???????????? a) Dr. Hackel ????b) Dr.Johanssen ????c) Dr. Ben jamine ????d)E. O. Wilson
???????????? 195 ???? ????What is Dendrology? (Answer : C)
???????? ???????? ???????????? a) Study of Plants ????b) Study of Butterflies ????c) Study of Trees ????d)None of these
???????????? 196 ???? ????What is edge species? (Answer : A)
???????? ???????? ???????????? a) The species which occur abundantly in the ecotone ????b) b) Species on the verge of extinction ????c)
c) Rare species ????d)d) Endemic species
???????????? 197 ???? ????What is symbiosis? (Answer : C)
???????? ???????? ???????????? a) Study of distribution of related species ????b) b) Association between members of same species
????c) c) Association between members of two species ????d)d) None
???????????? 198 ???? ????When number of f ood chains is interlocked this is called (Answer : C)
???????? ???????? ???????????? a) f ood link ????b) f ood chain ????c) f ood web ????d)pyr amid
???????????? 199 ???? ????Which is an example f or sedimentary biogeochemical cycle (Answer : D)
???????? ???????? ???????????? a) Oxygen cycle ????b) Nitrogen cycle ????c) Water cycle ????d)Phosphorus cycle
???????????? 200 ???? ????Which is the second largest in species richness? (Answer : C)
???????? ???????? ???????????? a) Desert ????b) b) Tundr a ????c) c) Cor al reefs ????d)d) Flowing water
???????????? 201 ???? ????Gr assland of USA is ref erred to as (Answer : A)
???????? ???????? ???????????? a) Pr airies ????b) Steppes ????c) Pampas ????d)Veldts
???????????? 202 ???? ????The complex network of interconnected f ood chains is called ___________ (Answer : B)
???????? ???????? ???????????? a) Trophic level ????b) Food web ????c) Ecological pyr amid ????d)Ecology chain
???????????? 203 ???? ????The animal which consumes decaying organic matter is _________ (Answer : B)
???????? ???????? ???????????? a) Carnivore ????b) Detritivore ????c) Herbivore ????d)Producers
???????????? 204 ???? ????An ecosystem gr adually merges with an adjoining one through a tr ansitional zone is called the
______________ (Answer : C)
???????? ???????? ???????????? a) Ecological niche ????b) ecological f ootprint ????c) ecotone ????d)Shore ef f ect
???????????? 205 ???? ????The Primary Consumers are also called as (Answer : A)
???????? ???????? ???????????? a) Herbivores ????b) Carnivores ????c) Enzymes ????d)None of these
???????????? 206 ???? ????The f orests which occur in law r ain f all area is called (Answer : B)
???????? ???????? ???????????? a) Evergreen f orests ????b) deciduous f orests ????c) Conif erous f orest ????d)All the above
???????????? 207 ???? ????Favor able morphological and physiological response to a change in environment is called (Answer : D)
???????? ???????? ???????????? a) Preadaptation ????b) Ecotyping ????c) Formation of ecophenes ????d)Acclimatization
???????????? 208 ???? ????Plants adapted to open, sunny habitats are (Answer : B)
???????? ???????? ???????????? a) Sciophytes ????b) Heliophytes ????c) Mesophytes ????d)Epiphytes
???????????? 209 ???? ????Temper ate f orests occur in India in (Answer : B)
???????? ???????? ???????????? a) Indo-gangetic plains ????b) Himalayas ????c) Eastern India ????d)Southern peninsula
???????????? 210 ???? ????In India, tropical evergreen f orests occur in (Answer : C)
???????? ???????? ???????????? a) Himachal Pr adesh ????b) Madhya Pr adesh ????c) Assam ????d)Tamil Nadu
???????????? 211 ???? ????Which one is natures cleaner? (Answer : C)
???????? ???????? ???????????? a) Consumers ????b) Producers ????c) Decomposers and Scavengers ????d)Symbionts
???????????? 212 ???? ????The relationship between nitrogen fixing bacteria and leguminous plants is an example f or (Answer : C)
???????? ???????? ???????????? a) Par asitism ????b) Predation ????c) Mutualism ????d)Symbiosis
???????????? 213 ???? ????______ trees shed their leaves during winter and hot summer. (Answer : C)
???????? ???????? ???????????? a) Ever green ????b) Conif erous ????c) Deciduous ????d)Shola
???????????? 214 ???? ????Thorn f orests are f ound in the_______ regions (Answer : A)
???????? ???????? ???????????? a) Semi-arid ????b) High r ain f all areas ????c) Low temper ature ????d)Frozen areas
???????????? 215 ???? ????________ is a cold desert in India (Answer : B)
???????? ???????? ???????????? a) Thar ????b) Ladakh ????c) Ran of Kutch ????d)Bhopal
???????????? 216 ???? ????______ is an example of bottom f eeders (Answer : A)
???????? ???????? ???????????? a) Cat fish ????b) Frog ????c) Snake ????d)Tadpole
???????????? 217 ???? ????A Hawk that eats a frog is a (Answer : D)
???????? ???????? ???????????? a) Producer ????b) Primary Consumer ????c) Secondary Consumer ????d)Tertiary Consumer
???????????? 218 ???? ????An example of lotic system (Answer : B)
???????? ???????? ???????????? a) Pond ????b) River ????c) Lake ????d)Reservoir
???????????? 219 ???? ????Complex interlinked f ood chains are called (Answer : A)
???????? ???????? ???????????? a) Food Web ????b) Food net work ????c) Trophic levels ????d)Food pyr amid
???????????? 220 ???? ????Lotic ecosystem ref ers to (Answer : B)
???????? ???????? ???????????? a) Static water system ????b) Ecosystem of flowing water ????c) Ecosystem of estuaries ????d)Deep
marine water system
???????????? 221 ???? ????Autotrophs are ______________ (Answer : D)
???????? ???????? ???????????? a) Consumers ????b) Herbivores ????c) Saprophytes ????d)Producers
???????????? 222 ???? ????Organisms which depened on Producers f or nutrition are called (Answer : C)
???????? ???????? ???????????? a) Autotrophs ????b) Saprophytes ????c) Consumers ????d)Xerophytes
???????????? 223 ???? ????The source of atmospheric oxygen is (Answer : B)
???????? ???????? ???????????? a) Nitrogen cycle ????b) Green Plants ????c) Water ????d)Carbon Cycle
???????????? 224 ???? ????Plants which grow in shade are called (Answer : A)
???????? ???????? ???????????? a) Sciophytes ????b) Heliophytes ????c) Oxylophytes ????d)Epiphytes
???????????? 225 ???? ????Photosynthesis is f ound in (Answer : A)
???????? ???????? ???????????? a) Producers ????b) Decomposers ????c) Consumers ????d)Scavengers
???????????? 226 ???? ????Phytoplankton are (Answer : B)
???????? ???????? ???????????? a) Producers of f orest ????b) Producers of lakes ????c) Consumers of Ocean ????d)Omnivores
???????????? 227 ???? ????Gas released during photosynthesis is (Answer : C)
???????? ???????? ???????????? a) Methane ????b) Nitrogen ????c) Oxygen ????d)Carbon dioxide
???????????? 228 ???? ????The ma jor reservoir of carbon is (Answer : B)
???????? ???????? ???????????? a) The atmosphere ????b) Ocean Bed ????c) Plant and animals ????d)Rock
???????????? 229 ???? ????The simplest aquatic ecosystem can be seen in a (Answer : C)
???????? ???????? ???????????? a) River ????b) Lake ????c) Pond ????d)Water Tank
???????????? 230 ???? ????What is hibernation and aestivation? (Answer : A)
???????? ???????? ???????????? a) Thermal adaptation shown by animals ????b) wind adaptation shown by animals ????c) adaptation of
animals to escape from predators ????d)None
???????????? 231 ???? ????What is lentic habitat ? (Answer : B)
???????? ???????? ???????????? a) Running water habitat ????b) Standing or still water habitat ????c) Marine habitat ????d)None
???????????? 232 ???? ????What is lotic habitat? (Answer : C)
???????? ???????? ???????????? a) Standing or still water habitat ????b) Marine habitat ????c) Running water habitat ????d)Stagnant water
???????????? 233 ???? ????What is Plankton? (Answer : A)
???????? ???????? ???????????? a) Microscopic floating organisms ? Plants and animals. ????b) bottom dwelling aquatic organisms ????c)
Large plants in water ????d)None
???????????? 234 ???? ????What is Canopy? (Answer : A)
???????? ???????? ???????????? a) Uppermost level of the f orest ????b) Ground level of the f orest ????c) Soil in f orest ????d)Climbers on
trees
???????????? 235 ???? ????North American gr assland are called (Answer : B)
???????? ???????? ???????????? a) Pampas ????b) Pr airies ????c) Savannah ????d)None
???????????? 236 ???? ????African gr asslands are called (Answer : C)
???????? ???????? ???????????? a) Pr airies ????b) Pampas ????c) Savannah ????d)None
???????????? 237 ???? ????Green plants are absent in deep sea. Why? (Answer : A)
???????? ???????? ???????????? a) Light is absent ????b) High pressure ????c) low temper ature ????d)Great depth
???????????? 238 ???? ????What is desertification? (Answer : D)
???????? ???????? ???????????? a) Conversion of f orests into desert ????b) Conversion of croplands into desert ????c) Conversion of
gr assland into desert ????d)all of the above
???????????? 239 ???? ????The first trophic level in a f ood chain (Answer : A)
???????? ???????? ???????????? a) Green Plants ????b) Herbivores ????c) Carnivores ????d)Bacteria
???????????? 240 ???? ????Sulphur bacteria are examples of (Answer : D)
???????? ???????? ???????????? a) Carnivores ????b) Heterotrophs ????c) Saprophytes ????d)Autotrophs
???????????? 241 ???? ????Green Land biome (Answer : B)
???????? ???????? ???????????? a) Tundr a ????b) Pampas ????c) Taiga ????d)Thaar.
???????????? 242 ???? ????What is deep ecology? (Answer : A)
???????? ???????? ???????????? a) Protecting nature f or its own sake ????b) Ecology of deep sea ????c) Ecology of f orest ????d)Ecology of
caves
???????????? 243 ???? ????Cor al reefs in India can be seen in (Answer : B)
???????? ???????? ???????????? a) Himalayan region ????b) Andaman and Nicobar Islands ????c) Uttarpr adesh ????d)Mahar ashtr a
???????????? 244 ???? ????____________ is one of the most endangered species of Indian birds (Answer : D)
???????? ???????? ???????????? a) Bee eater ????b) Par adise fly catcher ????c) Owl ????d)The great Indian bustard
???????????? 245 ???? ????................. species is known as Azadir achta Indica (Answer : A)
???????? ???????? ???????????? a) Neem ????b) Mango ????c) Jackfruit ????d)Banana
???????????? 246 ???? ????.................... is a marine tortoise which shows the unique phenomenon ?arribada? (Answer : A)
???????? ???????? ???????????? a) Olive Ridley ????b) Star T ortoise ????c) Tr avancore T ortoise ????d)b & c
???????????? 247 ???? ????.................... tree is known as ?flame of the f orest?? (Answer : B)
???????? ???????? ???????????? a) Zizyphus ????b) Butea monosperma ????c) Jackfruit ????d)Pongamea
???????????? 248 ???? ????All are insitu conservation ef f orts except (Answer : C)
???????? ???????? ???????????? a) National parks ????b) Sanctuaries ????c) Zoo ????d)
???????????? 249 ???? ????Approximately, 50% of total world species are present on (Answer : A)
???????? ???????? ???????????? a) tropical r ain f orest ????b) temper ate r ain f orest ????c) temper ate deciduous f orest d ????d)cor al reefs
???????????? 250 ???? ????Bears are usually hunted and killed f or their (Answer : B)
???????? ???????? ???????????? a) Teeth ????b) Skin ????c) Gall bladder ????d)Nails
???????????? 251 ???? ????Biodiversity (Answer : A)
???????? ???????? ???????????? a) increases towards the equator ????b) decreases towards the equator ????c) remains same throughout
the planet d ????d)has no ef f ect on change in latitude
???????????? 252 ???? ????Black Buck is a (Answer : B)
???????? ???????? ???????????? a) Goat ????b) Deer ????c) Butterfly ????d)Bird
???????????? 253 ???? ????Blue whale is placed under (Answer : A)
???????? ???????? ???????????? a) endangered ????b) critically endangered ????c) r are ????d)d) extinct
???????????? 254 ???? ????Conservation within the natur al habitat is (Answer : A)
???????? ???????? ???????????? a) insitu conservation ????b) exsitu conservation ????c) invivo conservation ????d)d) exvivo conservation
???????????? 255 ???? ????Cor al reefs in India can be seen in (Answer : B)
???????? ???????? ???????????? a) Himalayan region ????b) Andaman and Nicobar Islands ????c) Uttarpr adesh ????d)Mahar ashtr a
???????????? 256 ???? ????Dodo is (Answer : D)
???????? ???????? ???????????? a) endangered ????b) b) critically endangered ????c) c) r are ????d)d) extinct
???????????? 257 ???? ????Endemic species are (Answer : B)
???????? ???????? ???????????? a) r are species ????b) b) species localised in a specific region ????c) c) cosmopolitan in distribution d)
critically endangered species ????d)
???????????? 258 ???? ????Ex situ conservation includes (Answer : D)
???????? ???????? ???????????? a) Zoo ????b) Botanic garden ????c) c) Germplasm bank ????d)d) all of the above
???????????? 259 ???? ????Gharial is a (Answer : A)
???????? ???????? ???????????? a) Crocodile ????b) b) Cobr a ????c) c) T ortoise ????d)d) Frog
???????????? 260 ???? ????Herpetology is a br anch of Science which deals with (Answer : C)
???????? ???????? ???????????? a) Aves ????b) Mammals ????c) Reptiles ????d)Fishes
???????????? 261 ???? ????Hot spots are regions of high (Answer : B)
???????? ???????? ???????????? a) r arity ????b) b) endemism ????c) c) critically endangered population d) diversity ????d)d) diversity
???????????? 262 ???? ????India is primary centre of domestication of (Answer : D)
???????? ???????? ???????????? a) Sheep ????b) Goat ????c) Water Buf f alo ????d)Elephants
???????????? 263 ???? ????IUCN (The International Union For Conservation Of Nature And Natur al Resources) headquarters is at
(Answer : A)
???????? ???????? ???????????? a) Morges, Switzerland ????b) Paris, Fr ance ????c) Vienna, Austria d ????d)NewYork, USA
???????????? 264 ???? ????IUCN is also called as (Answer : B)
???????? ???????? ???????????? a) Man and Biosphere progr am ????b) World Conservation Union ????c) World Conservation Consortium
d ????d)World Wide Conservation Union
???????????? 265 ???? ????Killing of animals disturbs (Answer : C)
???????? ???????? ???????????? a) Good f or eco system ????b) Good f or man ????c) The balance of nature ????d)None
???????????? 266 ???? ????MAB progr am stands f or (Answer : D)
???????? ???????? ???????????? a) Man and biotechnology ????b) Material and biology ????c) Man and Biology ????d)Man and Biosphere
???????????? 267 ???? ????Pangolins f eed on (Answer : A)
???????? ???????? ???????????? a) ants ????b) b) fruits ????c) c) leaves ????d)d) roots
???????????? 268 ???? ????Red data book contains data of (Answer : D)
???????? ???????? ???????????? a) all plant species ????b) all animal species ????c) economically important species ????d)threatened
species
???????????? 269 ???? ????Silent Spring is a well known book written by (Answer : C)
???????? ???????? ???????????? a) John Miller ????b) Charles Darwin ????c) Rachel Carson ????d)Aldoleopold
???????????? 270 ???? ????The drug morphine is extr acted from ............... plant (Answer : C)
???????? ???????? ???????????? a) Cocoa ????b) Belladonna ????c) Opium Poppy ????d)Tannin
???????????? 271 ???? ????The first global environmental protection treaty The Montreal Protocol was signed on Sept. 26. (Answer
: D)
???????? ???????? ???????????? a) 1985 ????b) 1990 ????c) 1981 ????d)1987
???????????? 272 ???? ????The most important reason f or decrease in biodiversity is (Answer : D)
???????? ???????? ???????????? a) habitat pollution ????b) introduction of exotic species ????c) overexploitation ????d)habitat destruction
???????????? 273 ???? ????The only ape f ound in India (Answer : C)
???????? ???????? ???????????? a) Gorilla ????b) Chimpanzee ????c) Hoolock gibbon ????d)Or anguttan
???????????? 274 ???? ????Which of the f ollowing is a biodiversity hot sport in India? (Answer : A)
???????? ???????? ???????????? a) Western Ghats ????b) Nandadevi ????c) Eastern Ghats ????d)Ar avalli
???????????? 275 ???? ????Which of the f ollowing region has maximum diversity? (Answer : D)
???????? ???????? ???????????? a) mangroves ????b) temper ate r ainf orest ????c) taiga d ????d)cor al reefs
???????????? 276 ???? ????Which plants die after flowering? (Answer : B)
???????? ???????? ???????????? a) Lotus ????b) Bamboo ????c) Chrysanthemum ????d)Butea
???????????? 277 ???? ????Which tree is known as Cor al tree? (Answer : C)
???????? ???????? ???????????? a) Quercus ????b) Dipterocarps ????c) Erythrina ????d)Zizypus
???????????? 278 ???? ????Salim Ali Centre f or Ornithology and Natur al history is located at ______ (Answer : D)
???????? ???????? ???????????? a) Pune ????b) Hyder abad ????c) Ker ala ????d)Coimbatore
???????????? 279 ???? ????World wildlif e week is observed during (Answer : A)
???????? ???????? ???????????? a) First week of October ????b) Last week of October ????c) Third week of October ????d)First week of
September
???????????? 280 ???? ????Zoological Survey of India is at (Answer : C)
???????? ???????? ???????????? a) Delhi ????b) Mumbai ????c) Kolkata ????d)Chennai
???????????? 281 ???? ????The Salim Ali Bird sanctuary is located at (Answer : B)
???????? ???????? ???????????? a) Pondicherry ????b) Thattekad ????c) Anakkatti ????d)Kalakkadj
???????????? 282 ???? ????Who among the f ollowing is commonly called ?Bird Man of India?? (Answer : A)
???????? ???????? ???????????? a) Salim Ali ????b) M.S. Swaminathan ????c) M.C. Mehta ????d)Raphel Emerson
???????????? 283 ???? ????The phenomenon of occurrence of additional species f ound in the ecotone or tr ansitional zone
between adjoining ecosystems is known as _________ (Answer : A)
???????? ???????? ???????????? a) Edge ef f ect ????b) Root ef f ect ????c) Raman ef f ect ????d)Coolidge ef f ect
???????????? 284 ???? ????A set of organisms that resemble one another in appear ance and behaviour is called a _____________
(Answer : C)
???????? ???????? ???????????? a) Exons ????b) Prions ????c) Species ????d)guilds
???????????? 285 ???? ????All the genes of a population is called (Answer : A)
???????? ???????? ???????????? a) gene pool ????b) Genome ????c) Gene bunch ????d)Gene population
???????????? 286 ???? ????The first protected area in India is ____________ (Answer : B)
???????? ???????? ???????????? a) Silent valley ????b) Corbett National Park ????c) Bandipur sanctuary ????d)Nagar-Hole
???????????? 287 ???? ????The Indian Parliament passed the Biodiversity Bill in the year_________ (Answer : C)
???????? ???????? ???????????? a) 2000 ????b) 2005 ????c) 2002 ????d)2007
???????????? 288 ???? ????The destruction of habitat of plants and animals is called (Answer : C)
???????? ???????? ???????????? a) Endemism ????b) Endangered species ????c) Habitat loss ????d)Flood
???????????? 289 ???? ????Zoos are examples f or (Answer : C)
???????? ???????? ???????????? a) In-situ conservation ????b) In-vivo conservation ????c) Ex-situ conservation ????d)Ex-vivo conservation
???????????? 290 ???? ????In which Indian state is Corbet National park located (Answer : B)
???????? ???????? ???????????? a) Madya Pr adesh ????b) Uttar akhand ????c) Ker ala ????d)Tamilnadu
???????????? 291 ???? ????The first national park of Ker ala (Answer : D)
???????? ???????? ???????????? a) Ar alam ????b) Kottayam ????c) Idukki ????d)Ir avikulam
???????????? 292 ???? ????In which year was Pro ject Tiger launched? (Answer : A)
???????? ???????? ???????????? a) 1973 ????b) 1964 ????c) 1998 ????d)1970
???????????? 293 ???? ????Earth summit of Rio de Janeiro (1992) resulted in (Answer : C)
???????? ???????? ???????????? a) Compilation of Red list ????b) Establishment of biosphere reserves ????c) Conservation of biodiversity
????d)IUCN
???????????? 294 ???? ????Lions are f ound in (Answer : D)
???????? ???????? ???????????? a) Western Ghats ????b) Corbett National Park ????c) Forests of Madhya Pr adesh ????d)Gir f orests
???????????? 295 ???? ????National Park associated with rhinoceros is (Answer : A)
???????? ???????? ???????????? a) Kazir anga ????b) Ranthambore ????c) Corbett ????d)Valley of flowers
???????????? 296 ???? ????Some species of plants and animals are extremely r are and may occur only at a f ew locations are called
(Answer : B)
???????? ???????? ???????????? a) Endemic ????b) Endangered ????c) Vulner able ????d)Threatened
???????????? 297 ???? ????The only known breeding colony of the greater and lesser Flamingos in our country is seen in
???????.. desert. (Answer : A)
???????? ???????? ???????????? a) The Great Rann of Kutch ????b) The Thar ????c) Ladakh ????d)Atacama
???????????? 298 ???? ????The one-horned Rhinoceros is now restricted to which state? (Answer : C)
???????? ???????? ???????????? a) Mahar ashtr a ????b) Gujar at ????c) Assam ????d)Uttar Pr adesh
???????????? 299 ???? ????Asiatic lion is f ound only in _____ (Answer : A)
???????? ???????? ???????????? a) Gir Forest ????b) Manas ????c) Kasir anga ????d)Sundarbans
???????????? 300 ???? ????________ is a marine tortoise which shows the unique phenomenon ???arribada??? (Answer : A)
???????? ???????? ???????????? a) Olive Ridley ????b) Star T ortoise ????c) Tr avancore T ortoise ????d)b & c
???????????? 301 ???? ????Largest reptile in the world (Answer : B)
???????? ???????? ???????????? a) Dr agon ????b) Anaconda ????c) Crocodile ????d)Python
???????????? 302 ???? ????Snow leopard is f ound in which National Park? (Answer : B)
???????? ???????? ???????????? a) Kazir anga ????b) The Great Himalayan ????c) Bhar atpur ????d)Nagarhole
???????????? 303 ???? ????Point Calimere sanctuary is situated in which state? (Answer : A)
???????? ???????? ???????????? a) Tamilnadu ????b) Ker ala ????c) Karnataka ????d)Gujar at
???????????? 304 ???? ????The movement Beej Bachao Andolan was aimed f or the conservation of ________ (Answer : C)
???????? ???????? ???????????? a) Trees ????b) Shrubs ????c) Crops ????d)Coconut
???????????? 305 ???? ????In which year Silent Valley was declared as National Park? (Answer : C)
???????? ???????? ???????????? a) 1988 ????b) 1982 ????c) 1984 ????d)1981
???????????? 306 ???? ????The Red Data book which lists endangered species is maintained by (Answer : C)
???????? ???????? ???????????? a) UNO ????b) WHO ????c) IUCN ????d)WWF
???????????? 307 ???? ????First Biosphere reserve in India (Answer : A)
???????? ???????? ???????????? a) Nilgiri ????b) Agastyamala ????c) Er avikulam ????d)Chinnar
???????????? 308 ???? ????Flag ship species of Choolannur sanctuary (Answer : B)
???????? ???????? ???????????? a) Tiger ????b) Peacock ????c) Elephant ????d)Rhino
???????????? 309 ???? ????Which of the f ollowing is an extinct species? (Answer : C)
???????? ???????? ???????????? a) Tiger ????b) Lion ????c) Dodo ????d)Ostrich
???????????? 310 ???? ????________ is one of the most endangered species of Indian birds (Answer : D)
???????? ???????? ???????????? a) Bee eater ????b) Par adise fly catcher ????c) Owl ????d)The great Indian bustard
???????????? 311 ???? ????Many wild plant and animals are on the verge of extinction due to (Answer : A)
???????? ???????? ???????????? a) Habitat destruction ????b) Climatic changes ????c) Non availability of f ood ????d)None of the above
???????????? 312 ???? ????The most endangered ecosystem in India (Answer : B)
???????? ???????? ???????????? a) Shola f orest ecosystem ????b) Evergreen f orest ecosystem ????c) Pond ecosystem ????d)Tundr a
Ecosystem
???????????? 313 ???? ????Er avikulam National Park conserves (Answer : D)
???????? ???????? ???????????? a) Lion tailed macaque ????b) Tiger ????c) Elephant ????d)Nilgiri Tahr
???????????? 314 ???? ????First National Park in India (Answer : A)
???????? ???????? ???????????? a) Jim Corbert National Park ????b) Bandipur National Park ????c) Gir National Park ????d)Sunderbans
National Park
???????????? 315 ???? ????Agastyamalai Biosphere reserve is in (Answer : B)
???????? ???????? ???????????? a) Pathanamthitta ????b) Thiruvananthapur am ????c) Idukki ????d)Wayanad
???????????? 316 ???? ????What is meant by ex-situ conservation? (Answer : C)
???????? ???????? ???????????? a) Conservation of a species by protecting its habitat along with all other species living there. ????b)
Conservation of f orest eco system ????c) Conservation of a species outside its natur al habitat ????d)Conservation of
plants
???????????? 317 ???? ????The state which constituted green bench (Answer : B)
???????? ???????? ???????????? a) Ker ala ????b) Tamilnadu ????c) Assam ????d)Madhya Pr adesh
???????????? 318 ???? ????Name the endangered animal which is protected in Ra jamalai National park (Answer : C)
???????? ???????? ???????????? a) Chital ????b) Black buck ????c) Nilgiri Tahr ????d)None
???????????? 319 ???? ????Animals and plants are best protected in (Answer : C)
???????? ???????? ???????????? a) Zoos ????b) Botanical Gardens ????c) National Parks ????d)Sanctuaries
???????????? 320 ???? ????Worlds first Teak Forest was planted in 1842 in Ker ala. Identif y the place. (Answer : B)
???????? ???????? ???????????? a) Wayanad ????b) Nilambur ????c) Silent Valley ????d)Nelliyampathy
???????????? 321 ???? ????The Native Place of Redwood trees? (Answer : C)
???????? ???????? ???????????? a) Austr alia ????b) Amazon ????c) Calif ornia ????d)Thailand
???????????? 322 ???? ????Centre of Modern nuclear technology in India (Answer : C)
???????? ???????? ???????????? a) CRAS ????b) SARC ????c) BARC ????d)None of these
???????????? 323 ???? ????What is an Inciner ator? (Answer : A)
???????? ???????? ???????????? a) Furnace used f or burning solid waste ????b) Furnace used f or treating liquid waste ????c) Both a & b
????d)None of these
???????????? 324 ???? ????Photochemical smog is called (Answer : B)
???????? ???????? ???????????? a) T okyo smog ????b) London smog ????c) Los Angeles smog ????d)None
???????????? 325 ???? ????The combustion of waste in the absence of Oxygen is called (Answer : B)
???????? ???????? ???????????? a) Haemolysis ????b) Pyrolysis ????c) Hydrolysis ????d)None
???????????? 326 ???? ????The heating of earths atmosphere due to tr apped r adiation is known as (Answer : D)
???????? ???????? ???????????? a) Global warming ????b) Glass-House ef f ect ????c) Thermal ef f ect ????d)Green House Ef f ect
???????????? 327 ???? ????Thickness of plastic cover permissible to use (Answer : C)
???????? ???????? ???????????? a) 50 Microns ????b) 20 Microns ????c) 100 Microns ????d)10 Microns
???????????? 328 ???? ????A biodegr adable plastic developed by Biopak Corpor ation Austr alia (Answer : A)
a) Biopol ????b) Pet ????c) Polyester ????d)PVC
???????????? 329 ???? ????The Residential and Commercial wastes mainly consist of: (Answer : A)
???????? ???????? ???????????? a) Food wastes ????b) Card board ????c) Packaging materials ????d)None of these
???????????? 330 ???? ????Lead in water can cause (Answer : C)
???????? ???????? ???????????? a) Eye disease ????b) Arthritis ????c) Kidney damage ????d)Hair f alling
???????????? 331 ???? ????Colorless odorless and non corrosive air pollutant is (Answer : C)
???????? ???????? ???????????? a) Sulphur dioxide ????b) Carbon monoxide ????c) Carbon dioxide ????d)Ozone
???????????? 332 ???? ????Disease aggr avated by air pollution is (Answer : C)
???????? ???????? ???????????? a) Choler a ????b) Rheumatism ????c) Bronchitis ????d)Haemophilia
???????????? 333 ???? ????Which of the f ollowing type of pollution can cause the outbreak of Jaundice (Answer : C)
???????? ???????? ???????????? a) Air ????b) Thermal ????c) Water ????d)Land
???????????? 334 ???? ?????Ozone Hole? is a _____________ (Answer : B)
???????? ???????? ???????????? a) Hole in the atmosphere b ????b) Destruction of ozone layer c ????c) Hole in the hydrosphere d ????d)Hole
in the troposphere
???????????? 335 ???? ?????Plumbism? is the disorder develops in man when exposed to..... (Answer : A)
???????? ???????? ???????????? a) a) Lead ????b) b) Mercury ????c) c) Arsenic ????d)d) CO
???????????? 336 ???? ????A pollutant not released by exhaust of automobiles is.... (Answer : C)
???????? ???????? ???????????? a) a) SO 2 ????b) b) CO ????c) c) Fly Ash ????d)d) Hydrocarbon gases
???????????? 337 ???? ????Acid r ain contains (Answer : A)
???????? ???????? ???????????? a) Sulphuric acid b ????b) Hydrochloric acid c ????c) Oxalic acid d ????d)Acetic acid
???????????? 338 ???? ????An example of natur al pollutant is (Answer : D)
???????? ???????? ???????????? a) a) Forest fire ????b) b) Natur al Organic Decay ????c) c) Volcanic eruptions ????d)d) All of the above
???????????? 339 ???? ????An example of non-biodegr adable pollutant is (Answer : B)
???????? ???????? ???????????? a) a) Sewage ????b) b) Plastic ????c) c) Litter ????d)d) Vegetable waste
???????????? 340 ???? ????Birth r ate is called (Answer : C)
???????? ???????? ???????????? a) mortality b ????b) vital index c ????c) natality d ????d)viability
???????????? 341 ???? ????Bishnoi women is connected to (Answer : B)
???????? ???????? ???????????? a) Hindi Film ????b) b) Chipko movement ????c) c) Climate change ????d)d) Women rights
???????????? 342 ???? ????BOD is used f or the measurement of .... (Answer : C)
???????? ???????? ???????????? a) a) Atmospheric pollution ????b) b) Soil pollution ????c) c) Water pollution ????d)d) Nuclear pollution
???????????? 343 ???? ????Causative organisms of Malaria (Answer : C)
???????? ???????? ???????????? a) Bacteria b ????b) Fungus c ????c) Plasmodium d ????d)Virus
???????????? 344 ???? ????Component not released in the burning coal is... (Answer : D)
???????? ???????? ???????????? a) a) NO 2 ????b) b) SO 2 ????c) c) Fly Ash ????d)d) O 2
???????????? 345 ???? ????Death r ate of the population (Answer : A)
???????? ???????? ???????????? a) Mortality b ????b) Viability c ????c) Natality d ????d)Vitality
???????????? 346 ???? ????Ear muf fs or Cotton plugs are used to reduce pollution of..... (Answer : B)
???????? ???????? ???????????? a) a) Air ????b) b) Noise ????c) c) Thermal ????d)d) Nuclear
???????????? 347 ???? ????EIA is the (Answer : C)
???????? ???????? ???????????? a) a) Economic Inf ormation Awareness ????b) b) Environmental Inf ormation Awareness ????c) c)
Environmental Impact Assessment ????d)d) Environmental Impact Avoidance
???????????? 348 ???? ????El Nino (Answer : A)
???????? ???????? ???????????? a) a) a climate cycle in the Pacific Ocean impacting global weather patterns ????b) b) Cold current in the
Atlantic influencing South American weather ????c) c) An annual underwater phenomenon af f ecting global weather
????d)d) A sub-sahar an hot wind af f ecting global climate.
???????????? 349 ???? ????Environmental Protection Act was introduced in the year (Answer : A)
???????? ???????? ???????????? a) 1986 b ????b) 1988 c ????c) 1972 d ????d)1989
???????????? 350 ???? ????Example f or a bio-degr adable polymer is (Answer : C)
???????? ???????? ???????????? a) Polyethylene b ????b) Polypropylene c ????c) Poly lactic acid d ????d)Polyester
???????????? 351 ???? ????Exposure of human body to r adiation may cause... (Answer : D)
???????? ???????? ???????????? a) a) Polio ????b) b) Gastroenteritis ????c) c) Haemophilia ????d)d) Leukemia
???????????? 352 ???? ????Increased heart beat, constriction of blood vessels and dilation of pupil are symptoms of.... (Answer :
A)
???????? ???????? ???????????? a) a) Sound pollution ????b) b) Thermal pollution ????c) c) Air pollution ????d)d) Nuclear pollution
???????????? 353 ???? ????India Government passed the Air act in the year (Answer : B)
???????? ???????? ???????????? a) a) 1991 ????b) b) 1981 ????c) c) 1982 ????d)d) 2001
???????????? 354 ???? ????Inf ection of HIV is usually detected by which test (Answer : A)
???????? ???????? ???????????? a) Elisa test b ????b) Hybridization c ????c) Gr am staining d ????d)None
???????????? 355 ???? ????IPCC (Answer : C)
???????? ???????? ???????????? a) a) International Panel on Climate Change ????b) b) International Peace Conf erence f or Climate ????c) c)
Intergovernmental Panel on Climate Change ????d)d) Intercontinental Plans f or Continuous
???????????? 356 ???? ????Largest source of air pollution in cities are .... (Answer : C)
???????? ???????? ???????????? a) a) Industries ????b) b) Sewage ????c) c) Automobiles ????d)d) Tanneries
???????????? 357 ???? ????Leader of ?Narmada Bachao Andolan? (Answer : B)
???????? ???????? ???????????? a) Vandana Siva b ????b) Medha Patkar c ????c) Menaka Gandhi d ????d)Mayilamma
???????????? 358 ???? ????Minamata disease is due to... (Answer : A)
???????? ???????? ???????????? a) a) Mercury poisoning ????b) b) Lead poisoning ????c) c) Arsenic poisoning ????d)d) Cadmium poisoning
???????????? 359 ???? ????Mullaperiyar dam is in the district? (Answer : C)
???????? ???????? ???????????? a) Thrissur b ????b) Pathanamthitta c ????c) Idukki d ????d)Alappuzha.
???????????? 360 ???? ????National Maritime Day of India is celebr ated on ______________ (Answer : B)
???????? ???????? ???????????? a) October 16 b ????b) April 05 c ????c) March 21 d ????d)May 22
???????????? 361 ???? ????Natur al earthquakes are caused by __________ (Answer : A)
???????? ???????? ???????????? a) Earth?s crust b ????b) deep seas c ????c) peak mountains d ????d)f orests
???????????? 362 ???? ????Noise is _______________ (Answer : C)
???????? ???????? ???????????? a) Huge sound b ????b) Sound of vehicles c ????c) Undesir able and unwanted sound d ????d)Sound of
cr ackers
???????????? 363 ???? ????Of ficial date of Earth Day is on _________ (Answer : A)
???????? ???????? ???????????? a) April 22 b ????b) March 21 c ????c) May 22 d ????d)June 05
???????????? 364 ???? ????On which date was the Stockholm Conf erence on Human Environment held? (Answer : C)
???????? ???????? ???????????? a) July 6th 1974 b ????b) Aug 8th 1976 c ????c) June 5th 1972 d ????d)Dec 12th 1990
???????????? 365 ???? ????One third of the global cases of Tuberculosis is in (Answer : C)
???????? ???????? ???????????? a) Britain b ????b) Sweden c ????c) India d ????d)China
???????????? 366 ???? ????Organ af f ected by pneumonia (Answer : D)
???????? ???????? ???????????? a) Liver b ????b) Kidney c ????c) Heart d ????d)Lungs.
???????????? 367 ???? ????Ozone (Answer : A)
???????? ???????? ???????????? a) a) strong poisonous f orm of Oxygen with 3 atoms in a molecule ????b) b) A mix of various gases
f orming a protective cover ????c) c) Purest f orm of Oxygen which increases its supply on earth ????d)d) a strong and
protective compound from Oxygen and Hydrogen
???????????? 368 ???? ????Ozone in lower atmosphere is an example of ... (Answer : B)
???????? ???????? ???????????? a) a) Primary pollutant ????b) b) Secondary pollutant ????c) c) Tertiary pollutant ????d)d) Not a pollutant
???????????? 369 ???? ????Ozone layer is (Answer : A)
???????? ???????? ???????????? a) A) 20 ? 50 km above the surf ace of the earth ????b) B) 70 to 90 kms above the earth ????c) C) 30 ? 40
kms below the earth ????d)D) 20 ? 50 kms below the sea level.
???????????? 370 ???? ????Ozone layer is situated in which str ata of artmosphere? (Answer : B)
???????? ???????? ???????????? a) Thermosphere ????b) (b) str atosphere ????c) (c) ionosphere ????d)(d) mesosphere
???????????? 371 ???? ????Poisonous gas caused Bhopal gas tr agedy (Answer : A)
???????? ???????? ???????????? a) Methyl isocyanate ????b) (b) Ethyl isocyante ????c) (c) Methyl isocyanide ????d)(d) Ethyl isocyamide
???????????? 372 ???? ????Presence of E. coli in water is an indication of (Answer : A)
???????? ???????? ???????????? a) Fecal contamination (b ????b) Lead contamination (c ????c) Vir al contamination (d ????d)Mercury
contamination
???????????? 373 ???? ????Public awareness of environment creates ___________ (Answer : A)
???????? ???????? ???????????? a) Environment protection b ????b) Environment degr adation c ????c) Environmental improvement d
????d)Environmental cultivation
???????????? 374 ???? ????Public Health is not dependent on (Answer : C)
???????? ???????? ???????????? a) a) saf e drinking water ????b) b) suf ficient f ood ????c) c) competitive market conditions ????d)d) good
social conditions
???????????? 375 ???? ????Rain water harvesting is a ma jor method implemented f or_____________ (Answer : A)
???????? ???????? ???????????? a) Water Conservation b ????b) Soil Conservation c ????c) Forest conservation d ????d)Ecological
conservation
???????????? 376 ???? ????Salmonellosis is a disease related to consumption of (Answer : D)
???????? ???????? ???????????? a) Chicken b ????b) Eggs c ????c) Mutton d ????d)Fish
???????????? 377 ???? ????Soil pollution is caused by.... (Answer : D)
???????? ???????? ???????????? a) a) Industrial wastes ????b) b) Detergents ????c) c) Agrochemicals ????d)d) All of these
???????????? 378 ???? ????Some pollutants combine with hemoglobin and impede oxygen tr ansport. Such pollutants are...
(Answer : C)
???????? ???????? ???????????? a) a) SO 3 ????b) b) N2 O ????c) c) CO ????d)d) All of these
???????????? 379 ???? ????Spr aying of DDT to kill insects causes pollution of..... (Answer : D)
???????? ???????? ???????????? a) a) Air ????b) b) Water ????c) c) Soil ????d)d) All of these
???????????? 380 ???? ????Superbugs are (Answer : B)
???????? ???????? ???????????? a) Synthetic bug b ????b) Bacteria c ????c) Radio nucleotide d ????d)Industries
???????????? 381 ???? ????The 3 R principle in waste management involves (Answer : B)
???????? ???????? ???????????? a) Reduce, Regain, Reuse b ????b) Reduce, Reuse, Recycle c ????c) Reduce, Ref orm, Reset d ????d)Reduce,
Retain, Regain
???????????? 382 ???? ????The Anthr ax disease is caused by (Answer : B)
???????? ???????? ???????????? a) Virus b ????b) Bacteria c ????c) Protozoa d ????d)Helminthes
???????????? 383 ???? ????The chemical structure of Ozone is (Answer : B)
???????? ???????? ???????????? a) O 2 ????b) O3 ????c) O4 ????d)OZ3
???????????? 384 ???? ????The controversial dam across the river Narmada? (Answer : A)
???????? ???????? ???????????? a) Sardar Sarovar b ????b) Hir akud c ????c) Bhakr anangal d ????d)Sutlej.
???????????? 385 ???? ????The deadliest Tsunami in recorded history took place on (Answer : A)
???????? ???????? ???????????? a) 26-Dec-2004 b ????b) 26-Dec-2000 c ????c) 15-Nov-1990 d ????d)15-Dec-1999
???????????? 386 ???? ????The environmental stresses caused by urban individuals are expressed by (Answer : B)
???????? ???????? ???????????? a) Ecological pyr amid ????b) (b) Ecological f ootprint ????c) (c) Ecological indicators ????d)(d) Ecological index
???????????? 387 ???? ????The Expansion of SPCA (Answer : B)
???????? ???????? ???????????? a) Society f or the Protection of Common Animals b ????b) Society f or the Prevention of Cruelty to
Animals c ????c) Society f or the Prohibition of Cruelty to Animals d ????d)none
???????????? 388 ???? ????The expansion on PQLI is (Answer : A)
???????? ???????? ???????????? a) physical quality of lif e index b ????b) population quotient of lif e in India c ????c) poor quality of lif e in
India d ????d)poverty, quality of lif e in India
???????????? 389 ???? ????The f unction of ozone layer (Answer : C)
???????? ???????? ???????????? a) a) to prevent strong wind and r ains ????b) b) to f acilitate precipitation at lower levels ????c) c) to protect
earth from sun?s harmf ul ultr a-violet r adiation ????d)d) to increase the supply of oxygen
???????????? 390 ???? ????The historical monument that is af f ected by acid r ain is (Answer : A)
???????? ???????? ???????????? a) Ta j Mahal b ????b) Pyr amid of Egypt c ????c) Pisa T ower d ????d)Golden Temple
???????????? 391 ???? ????The intensity of earthquake is measured in ____________ (Answer : B)
???????? ???????? ???????????? a) Beauf ort scale b ????b) Richter scale c ????c) Mohs scale d ????d)Joules
???????????? 392 ???? ????The ma jor cause of depletion of ozone layer in the atmosphere is... (Answer : B)
???????? ???????? ???????????? a) a) Freon Gases ????b) b) CFC ????c) c) N 2 O ????d)d) CO 2
???????????? 393 ???? ????The ma jor reason why earth?s surf ace increases its temper ature is due to (Answer : C)
???????? ???????? ???????????? a) a) The earth?s surf ace is getting exposed ????b) b) The increase in the use of plastics ????c) c) About
75% of the solar energy reaching the earth surf ace is getting absorbed by earth ????d)The depleation of ozone
???????????? 394 ???? ????The method of simultaneous integr ation of trees with agricultur al crops is called (Answer : A)
???????? ???????? ???????????? a) Agro f orestry b ????b) Def orestation c ????c) Ref orestation d ????d)combined culture
???????????? 395 ???? ????The most widely f ound pollutant in the air is..... (Answer : A)
???????? ???????? ???????????? a) a) CO 2 ????b) b) CFC ????c) c) CO ????d)d) SO 2
???????????? 396 ???? ????The movement ?Pani Pan jayath? was initiated to conserve waters in the drought prone areas of
...................state. (Answer : C)
???????? ???????? ???????????? a) Tamilnadu b ????b) Ra jasthan c ????c) Mahar ashtr a d ????d)Karnataka
???????????? 397 ???? ????The nations threatened by submergence on account of global warming (Answer : D)
???????? ???????? ???????????? a) a) Pakistan and Afghanistan ????b) b) Ir an and Bangladesh ????c) c) Peru and West Indies ????d)d)
Bangladesh and Maldives
???????????? 398 ???? ????The pro jected rise in sea level in the near f uture (Answer : C)
???????? ???????? ???????????? a) a) 1.5 m ????b) b) 1.2 cm to 2.2 cm ????c) c) 9 cm to 88 cm ????d)d) 10 cm to 20 cm
???????????? 399 ???? ????The pro jected rise in temper ature in the next f ew decades (Answer : B)
???????? ???????? ???????????? a) a) 1.5 to 2 O C ????b) b) 1.4 to 5.8 O C ????c) c) 2.5 to 3.9 O C ????d)d) 1.5 to 9.2 O C
???????????? 400 ???? ????The R?s in 3Rs Principle stand f or; (Answer : B)
???????? ???????? ???????????? a) a) Reduce, Readiness, Redo ????b) b) Reduce, Reuse, Recycle ????c) c) Reclaim, Remedy,
Remembr ance ????d)d) Reduce, Register, Redo
???????????? 401 ???? ????The term ?Nuclear winter? is associated with (Answer : D)
???????? ???????? ???????????? a) Nuclear War b ????b) Nuclear disarmament c ????c) Nuclear weapon testing d ????d)After ef f ect of a
nuclear explosion
???????????? 402 ???? ????The word Tsunami is derived from two Japanese words (Answer : B)
???????? ???????? ???????????? a) tsu(big) and nami(flow) ????b) tsu(harbour) and nami(wave) ????c) tsu(big wave) and nami(wave)
????d)None of these
???????????? 403 ???? ????The World Wetlands Day is celebr ated on ________ (Answer : A)
???????? ???????? ???????????? a) February 02 b ????b) February 28 c ????c) June 05 d ????d)March 21
???????????? 404 ???? ????T orrey Canyon is f amous f or (Answer : D)
???????? ???????? ???????????? a) Gulf of War b ????b) Industries c ????c) Electric Potential d ????d)Oil spillage
???????????? 405 ???? ????Utilisation of natur al resources in moder ate manner to remaining something f or the next gener ation is
termed as (Answer : B)
???????? ???????? ???????????? a) a) Resettlement ????b) b) Sustainable development ????c) c) Rehabilitation ????d)d) Mutual development
???????????? 406 ???? ????Vermi-composting is a natur al method of (Answer : A)
???????? ???????? ???????????? a) Producing compost manure b ????b) Producing worms c ????c) Managing waste it creates d
????d)Destroying worms
???????????? 407 ???? ????Water pollution is caused by.... (Answer : B)
???????? ???????? ???????????? a) a) CO ????b) b) Fertilizers ????c) c) PAN ????d)d) Fossil f uels
???????????? 408 ???? ????What are the chemicals that lead to acid r ain? (Answer : B)
???????? ???????? ???????????? a) A) hydrogen peroxide ????b) B) sulf ur dioxide & nitrogen oxide ????c) C) Carbon dioxide ????d)D)
Ammonium phosphate & various silicates.
???????????? 409 ???? ????What causes acid r ain? (Answer : B)
???????? ???????? ???????????? a) A) open def ecation ????b) B) burning of f ossil f uels ????c) C) increase spread of paddy fields ????d)D)
the use of cowdung.
???????????? 410 ???? ????What is ?Black Lung?? (Answer : A)
???????? ???????? ???????????? a) Occupational Hazard to the miners b ????b) Occupational Hazard to navigators c ????c) Occupational
Hazard to pesticide applicators. d ????d)None of these
???????????? 411 ???? ????What is ?tempor ary threshold shift?? (Answer : A)
???????? ???????? ???????????? a) Hearing loss due to excessive noise b ????b) Noise that is untoler able c ????c) T oler able noise d
????d)inaudible noise
???????????? 412 ???? ????What is Bagasse? What is it used f or? (Answer : A)
???????? ???????? ???????????? a) Sugar cane waste ? to make paper b ????b) Biogas ? used as f uel c ????c) Liquid waste ? as f ertilizer d
????d)Vermi compost ? as f ertilizer
???????????? 413 ???? ????What is Carcinogen? (Answer : C)
???????? ???????? ???????????? a) Drugs f or curing inf ectious disease b ????b) Drugs used f or curing cancer c ????c) Cancer causing
agent d ????d)Food colour ants
???????????? 414 ???? ????What is GIS? (Answer : A)
???????? ???????? ???????????? a) Geogr aphical Inf ormation System (b ????b) Geological Inf ormation System (c ????c) Geogr aphical Index
System (d ????d)Geogr aphical Inf ormation Status
???????????? 415 ???? ????What is meant by GM f oods? (Answer : B)
???????? ???????? ???????????? a) Growth modified f oods b ????b) Genetically modified f ood c ????c) Growth marked f oods d ????d)Good
mobility f ood
???????????? 416 ???? ????What is the aver age increase in temper ature over last century? (Answer : D)
???????? ???????? ???????????? a) a) 0.6 ????b) b) 0.2 ????c) c) 0.7 ????d)d) 0.8
???????????? 417 ???? ????Where was the Stockholm conf erence on Human Environment held? (Answer : A)
???????? ???????? ???????????? a) Sweden b ????b) Austria c ????c) India d ????d)Greece
???????????? 418 ???? ????Which among the f ollowing is a water borne disease? (Answer : A)
???????? ???????? ???????????? a) Choler a ????b) (b) Tuberculosis ????c) (c) AIDS ????d)(d) Dermatitis
???????????? 419 ???? ????Which blood cells get af f ected by HIV? (Answer : B)
???????? ???????? ???????????? a) RBC ????b) (b) Lymphocytes ????c) (c) Monocytes ????d)(d) Basophil
???????????? 420 ???? ????Which group of mosquitoes are the vectors of malaria? (Answer : C)
???????? ???????? ???????????? a) Culex ????b) (b) Aedes ????c) (c) Anopheles ????d)(d)Mansonia
???????????? 421 ???? ????Which heavy metal is the cause f or black f oot disease? (Answer : B)
???????? ???????? ???????????? a) Cadmium ????b) (b) Arsenic ????c) (c) Mercury ????d)(d) Lead
???????????? 422 ???? ????Which is the first state in India that enf orced a ban to the manuf acture and use of plastics (Answer :
C)
???????? ???????? ???????????? a) Ker ala ????b) West Bangal ????c) Uttarpr adesh ????d)Delhi
???????????? 423 ???? ????Which is the warmest year on record? (Answer : D)
???????? ???????? ???????????? a) a) 1998 ????b) b) 2010 ????c) c) 2015 ????d)d) 2016
???????????? 424 ???? ????Which of the f ollowing is considered a nuclear disaster ? (Answer : D)
???????? ???????? ???????????? a) a) Bhopal Tr agedy of 1984 ????b) b) Chernobyl USSR ????c) c) Three mile incident ????d)d) both b & c
???????????? 425 ???? ????Which one is an example f or megacity in India? (Answer : B)
???????? ???????? ???????????? a) Kochi ????b) (b) Mumbai ????c) (c) Bangalore ????d)(d) Madr as359.
???????????? 426 ???? ????Which one is the permanent sterilization method used f or f emales? (Answer : A)
???????? ???????? ???????????? a) Tubectomy ????b) (b) Vasectomy ????c) (c) Microtomy ????d)(d) Contr aceptive pills
???????????? 427 ???? ????Which state proposed a ban on all types of polythene packing f or the first time in India? (Answer : A)
???????? ???????? ???????????? a) Himachal Pr adesh b ????b) Madhya Pr adesh c ????c) Ker ala d ????d)Karnataka
???????????? 428 ???? ????Which year was declared as the ?Water Year? by Indian government (Answer : C)
???????? ???????? ???????????? a) 2010 b ????b) 2004 c ????c) 2007 d ????d)2000
???????????? 429 ???? ????Who coined the slogan of ?Chipko Movement ? Ecology is Permanent economy (Answer : C)
???????? ???????? ???????????? a) Jawaharlal Nehru b ????b) Salim Ali c ????c) Sunderlal Bahuguna d ????d)Rachel Carson
???????????? 430 ???? ????Who had stated in the Stockholm Conf erence in 1972 that poverty was the greatest polluter? (Answer :
A)
???????? ???????? ???????????? a) Indir a Gandhi b ????b) Mahatma Gandhi c ????c) Ra jiv Gandhi d ????d)Jawaharlal Nehru
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???????????? 12 ???? ????World Environment Day (Answer : A)
???????? ???????? ???????????? a) 5th June ????b) 5th July ????c) 5th August ????d)5th September
???????????? 13 ???? ????The biggest award f or environmental activities in India is given in the name of an individual. In whose
name is it constituted? (Answer : C)
???????? ???????? ???????????? a) Lal Bahadur Shasthri ????b) Mor ar ji Desai ????c) Indir a Gandhi ????d)Kamar a j.
???????????? 14 ???? ????All f orms of water that comes down on Earth, including r ain, snow, hail etc. is known as _____________
(Answer : C)
???????? ???????? ???????????? a) Calcification ????b) Fixation ????c) Precipitation ????d)Accumulation
???????????? 15 ???? ????The ocean covers ________ percentage of Earth?s surf ace. (Answer : C)
???????? ???????? ???????????? a) 515 ????b) 0.61 ????c) 0.71 ????d)0.91
???????????? 16 ???? ????The portion of the earth and its environment which can support lif e is known as _________ (Answer : B)
???????? ???????? ???????????? a) Crust ????b) Biosphere ????c) Exosphere ????d)Atmosphere
???????????? 17 ???? ????What is troposphere? (Answer : C)
???????? ???????? ???????????? a) Portion of air ????b) Portion of water ????c) Lowest layer of atmosphere where we survive
????d)Portion of sky
???????????? 18 ???? ????The main energy source f or the environment is ________ (Answer : A)
???????? ???????? ???????????? a) Solar energy ????b) Chemical energy ????c) Bioelectric energy ????d)Electrical energy
???????????? 19 ???? ????What is UNCED? (Answer : C)
???????? ???????? ???????????? a) United Nations Conf erence on Education ????b) United Nations Conf erence on Environmental Day
????c) United Nations Conf erence on Environment and Development ????d)None of these.
???????????? 20 ???? ????Atmospheric humidity is measured by (Answer : C)
???????? ???????? ???????????? a) Auxanometer ????b) Photometer ????c) Hygrometer ????d)None
???????????? 21 ???? ????The area to which a species is biologically adapted to live is known (Answer : B)
???????? ???????? ???????????? a) Niche ????b) Habitat ????c) Succession ????d)Community
???????????? 22 ???? ????Study of inter-relationship between organisms and their environment is called (Answer : A)
???????? ???????? ???????????? a) Ecology ????b) Ecosystem ????c) Phytogeogr aphy ????d)Ethology
???????????? 23 ???? ????The term Ecology was coined by (Answer : B)
???????? ???????? ???????????? a) A.G.Tansley ????b) Earnst Haeckel ????c) Aristotle ????d)Linnaeus
???????????? 24 ???? ????An example of an abiotic component (Answer : B)
???????? ???????? ???????????? a) Plants ????b) Soil ????c) Animals ????d)Bacteria
???????????? 25 ???? ????The area to which a species is biologically adapted to live is known (Answer : B)
???????? ???????? ???????????? a) Niche ????b) Habitat ????c) Succession ????d)Community
???????????? 26 ???? ????The objective of environmental education is (Answer : D)
???????? ???????? ???????????? a) Raise consciousness about environmental education ????b) T o teach environmentally appropriate
behaviour ????c) Create an environmental ethic that f osters awareness about ecological inter-dependence of economics,
social and political ????d)All of the above
???????????? 27 ???? ????Which of the f ollowing is not influenced by human activities? (Answer : A)
???????? ???????? ???????????? a) Depletion of ground water ????b) Destruction of mangroves and wetlands ????c) Increased extinction
r ate of species ????d)None of the above
???????????? 28 ???? ????Environmental education is important only at (Answer : D)
???????? ???????? ???????????? a) Primary school stage ????b) Secondary school stage ????c) Collage stage ????d)All stages
???????????? 29 ???? ????Which of the f ollowing conceptual components of the environment are ef f ective tr ansporters of
matter? (Answer : A)
???????? ???????? ???????????? a) Atmosphere and hydrosphere ????b) (b) Atmosphere and lithosphere ????c) (c) Hydrosphere and
lithosphere ????d)(d) Lithosphere and biosphere
???????????? 30 ???? ????Biosphere is (Answer : B)
???????? ???????? ???????????? a) (a) The solid shell of inorganic materials on the surf ace of the Earth ????b) (b) The thin shell of
organic matter on the surf ace of earth comprising of all the living things ????c) (c) The sphere which occupies the
maximum volume of all the spheres ????d)(d) All of the above
???????????? 31 ???? ????Which of the f ollowing conceptual sphere of the environment is having the least stor age capacity f or
matter? (Answer : A)
???????? ???????? ???????????? a) (a) Atmosphere ????b) (b) Lithosphere ????c) (c) Hydrosphere ????d)(d) Biosphere
???????????? 32 ???? ????Which of the f ollowing is an example of impact of development activities on the Hydrosphere? (Answer
: D)
???????? ???????? ???????????? a) (a) Air pollution ????b) (b) Soil pollution ????c) (c) Soil erosion ????d)(d) Water pollution
???????????? 33 ???? ????Weather occurs in the Earths: (Answer : A)
???????? ???????? ???????????? a) (a) Troposhere ????b) (b) Mesophere ????c) (c) Ionosphere ????d)(d) Thermosphere
???????????? 34 ???? ????Biosphere is a term used to represent the: (Answer : C)
???????? ???????? ???????????? a) (a) Entire atmosphere consisting of troposphere, str atosphere, mesosphere, and thermosphere
????b) (b) Entire hydrosphere-representing the entire collection of water over the Earth as well as inside the Earth ????c) (c)
A small zone of Earth, where the lithosphere, hydrosphere, and atmosphere come in contact with one another ????d)(d)
Entire lithosphere-representing the solid Earth and its interior
???????????? 35 ???? ????The term ecology was introduced by: (Answer : A)
???????? ???????? ???????????? a) (a) Haeckel ????b) (b) Odum ????c) (c) Tansely ????d)(d) Ramdeo Mishr a
???????????? 36 ???? ????The study of inter actions between living and non-living organisms and environment is called (Answer :
B)
???????? ???????? ???????????? a) (a) Ecosystem ????b) (b) Ecology ????c) (c) Phyto-geogr aphy ????d)(d) Phytosociology
???????????? 37 ???? ????An ecosystem consist of (Answer : D)
???????? ???????? ???????????? a) (a) Green plants and animals ????b) (b) Green plants and decomposers ????c) (c) Producers and
consumers ????d)(d) Green plants, animals, decomposers and abiotic environment
???????????? 38 ???? ????The environment which has been modified by human activities is called (Answer : B)
???????? ???????? ???????????? a) (a) Natur al environment ????b) (b) Anthropogenic environment ????c) (c) Modem environment ????d)(d)
Urban environment
???????????? 39 ???? ????Which of the f ollowing statements is not true? (Answer : C)
???????? ???????? ???????????? a) (a) Inorganic nutrients are recycled in an ecosystem ????b) (b) Energy flows through the ecosystem
in the f orm of C-C bonds ????c) (c) Energy is recycled in an ecosystem ????d)(d) Respir ation process releases energy
???????????? 40 ???? ????Driving f orce in an ecosystem is (Answer : C)
???????? ???????? ???????????? a) (a) Plants ????b) (b) Producers ????c) (c) Solar energy ????d)(d) Biomass energy
???????????? 41 ???? ????Physical and chemical components of an ecosystem constitute (Answer : C)
???????? ???????? ???????????? a) (a) Biotic structure ????b) (b) Abioltic structure ????c) (c) Both of these ????d)(d) None of these
???????????? 42 ???? ????Which one of the f ollowing is an abiotic component of the ecosystem? (Answer : C)
???????? ???????? ???????????? a) (a) Bacteria ????b) (b) Plants ????c) (c) Humus ????d)(d) Fungi
???????????? 43 ???? ????Which of the f ollowing is a possible producer in an ecosystem? (Answer : A)
???????? ???????? ???????????? a) (a) Plants ????b) (b) Animals ????c) (c) Human beings ????d)(d) Fish
???????????? 44 ???? ????The organisms which f eed on dead organisms and excreta of living organisms are known (Answer : A)
???????? ???????? ???????????? a) (a) Decomposers ????b) (b) Consumers ????c) (c) Producers ????d)(d) Carnivores
???????????? 45 ???? ????A trophic level ref ers to: (Answer : C)
???????? ???????? ???????????? a) (a) Area in the tropics ????b) (b) An organism?s portion in a f ood chain ????c) (c) An organism?s
position in an ecosystem ????d)(d) An organism?s position in a biome
???????????? 46 ???? ????In a f ood chain animals constitute the: (Answer : C)
???????? ???????? ???????????? a) (a) First trophic level ????b) (b) Second trophic level ????c) (c) Intermediate trophic level ????d)(d)
Ultimate trophic level
???????????? 47 ???? ????The f ood chain in which microorganisms breakdown dead producers is called: (Answer : D)
???????? ???????? ???????????? a) (a) Consumer f ood chain ????b) (b) Predator f ood chain ????c) (c) Par asitic f ood chain ????d)(d) Detritus
f ood chain
???????????? 48 ???? ????Food chain starts with (Answer : A)
???????? ???????? ???????????? a) (a) Producer ????b) (b) Herbivores ????c) (c) Carnivores ????d)(d) Omnivores
???????????? 49 ???? ????In a f ood chain, humans are (Answer : D)
???????? ???????? ???????????? a) (a) Secondary consumers ????b) (b) Primary consumer ????c) (c) Producers ????d)(d) Primary and
secondary consumers both
???????????? 50 ???? ????Which one is the correct f ood chain? (Answer : A)
???????? ???????? ???????????? a) (a) Phytoplankton ?? Zooplankton ?? Fish ????b) (b) Zooplankton ?? Phytoplankton ?? Fish ????c)
(c) Zooplankton ?? Protozoans ?? Fish ????d)(d) Gr ass ?? Fish ?? Zooplankton
???????????? 51 ???? ????A f ood web consists of (Answer : A)
???????? ???????? ???????????? a) (a) Interlocking f ood chains ????b) (b) Producers, consumers and decomposers ????c) (c) A portion of
a f ood chain ????d)(d) A set of similar consumers
???????????? 52 ???? ????Food webs are (Answer : C)
???????? ???????? ???????????? a) (a) One kind of f ood ????b) (b) Not related to f ood chains at all ????c) (c) Inter-connected arr angement
of f ood chains ????d)(d) Linear arr angement of f ood chains
???????????? 53 ???? ????Pyr amid of number is given by (Answer : C)
???????? ???????? ???????????? a) (a) Haeckel ????b) (b) Odum ????c) (c) Elton ????d)(d) Tansely
???????????? 54 ???? ????Which ecological pyr amid is always upright? (Answer : C)
???????? ???????? ???????????? a) (a) Pyr amid of number ????b) (b) Pyr amid of biomass ????c) (c) Pyr amid of energy ????d)(d) Pyr amid of
number and biomass
???????????? 55 ???? ????An ecological pyr amid ref ers to the (Answer : D)
???????? ???????? ???????????? a) (a) Pyr amid of energy ????b) (b) Pyr amid of number ????c) (c) Pyr amid of biomass ????d)(d) All of the
above
???????????? 56 ???? ????An ecosystem may not undergo changes because: (Answer : A)
???????? ???????? ???????????? a) (a) It is in a state of homeostasis ????b) (b) It has plants and animals both ????c) (c) It gets solar
energy continuously ????d)(d) The decomposers are present in it
???????????? 57 ???? ????Energy flow in an ecosystem is always: (Answer : A)
???????? ???????? ???????????? a) (a) Unidirectional ????b) (b) Cyclic ????c) (c) Reversible ????d)(d) Multi-directional
???????????? 58 ???? ????The primary producers in a f orest ecosystem are: (Answer : A)
???????? ???????? ???????????? a) (a) Chlorophyll containing trees and plants ????b) (b) Herbivores ????c) (c) Carnivores ????d)(d) Bacteria
and other micro-organism
???????????? 59 ???? ????The desert among the f ollowing which is not a cold desert is: (Answer : D)
???????? ???????? ???????????? a) (a) Golbi desert ????b) (b) Patagonian desert ????c) (c) Atacama desert ????d)(d) Ma java desert
???????????? 60 ???? ????The darker zone in lakes where light penetr ation is negligible is called the: (Answer : D)
???????? ???????? ???????????? a) (a) Euphotic zone ????b) (b) Littor al zone ????c) (c) Limnetic zone ????d)(d) Benthic zone
???????????? 61 ???? ????The zone of a sea lying over the continental shelf is known as the: (Answer : B)
???????? ???????? ???????????? a) (a) Bathyl zone ????b) (b) Neritic zone ????c) (c) Abyssal zone ????d)(d) Littor al zone
???????????? 62 ???? ????Which one of the f ollowing is not a fresh water biome? (Answer : A)
???????? ???????? ???????????? a) (a) Lotic ????b) (b) Lentic ????c) (c) Spings ????d)(d) Deep sea
???????????? 63 ???? ????Tendency of pollutants to become concentr ated in successive trophic levels is known as: (Answer : A)
???????? ???????? ???????????? a) (a) Biomagnification ????b) (b) Biorhythm ????c) (c) Bioremediation ????d)(d) Biopir acy
???????????? 64 ???? ????Eutrophication is: (Answer : B)
???????? ???????? ???????????? a) (a) An improved water quality status of lakes ????b) (b) The result of accumulation of plant nutrients
in water bodies ????c) (c) A process in the carbon cycle ????d)(d) A water purification technique
???????????? 65 ???? ????Increase in f auna and decrease in flor a would be harmf ul due to increase in: (Answer : B)
???????? ???????? ???????????? a) (a) Diseases ????b) (b) CO ????c) (c) O2 ????d)(d) Radioactive pollution
???????????? 66 ???? ????The largest reservoir of nitrogen an our planet is: (Answer : B)
???????? ???????? ???????????? a) (a) Ocean ????b) (b) Atmosphere ????c) (c) Biosphere ????d)(d) Fossil f uels
???????????? 67 ???? ????Overgr azing results in: (Answer : A)
???????? ???????? ???????????? a) (a) Soil erosion ????b) (b) Retention of usef ul species ????c) (c) Productive soils ????d)(d) All of the
above
???????????? 68 ???? ????In the world, the economy of the India is: (Answer : D)
???????? ???????? ???????????? a) (a) Largest ????b) (b) Third largest ????c) (c) Second largest ????d)(d) Fourth largest
???????????? 69 ???? ????In services output, India is: (Answer : C)
???????? ???????? ???????????? a) 10 ????b) 12 ????c) 15 ????d)4
???????????? 70 ???? ?????Smog? is a mixture of (Answer : A)
???????? ???????? ???????????? a) a) Smoke and Fog ????b) (b) Snow and Fog ????c) ( c) Snow and Dust ????d)(d) Sulphur Dioxide and
Fog
???????????? 71 ???? ????A liquid f uel that was f ormed from the ancient remains of sea plants and animals is (Answer : B)
???????? ???????? ???????????? a) Natur al gasb ????b) Petroleumc ????c) Geothermal energyd ????d)Coal
???????????? 72 ???? ????A poisonous gas given out of vehicles exhaust is (Answer : A)
a) Carbon monoxideb ????b) Ethanec ????c) Methaned ????d)Carbon dioxide
???????????? 73 ???? ????A product of photosynthesis is (Answer : C)
???????? ???????? ???????????? a) Carbon dioxideb ????b) Waterc ????c) Oxygend ????d)Chlorophyll
???????????? 74 ???? ????Atmosphere consists of 79 percent Nitrogen and 21 percent Oxygen by (Answer : B)
???????? ???????? ???????????? a) Volumeb ????b) Weightc ????c) Densityd ????d)All of these
???????????? 75 ???? ????Biogas contains mainly (Answer : B)
???????? ???????? ???????????? a) Carbon dioxideb ????b) Methanec ????c) Butaned ????d)Propane
???????????? 76 ???? ????Carbon dioxide constitutes about 0.03% of the atmosphere (Answer : A)
???????? ???????? ???????????? a) By volume(b ????b) By weight(c ????c) By mass(d ????d)None of these
???????????? 77 ???? ????Development activities on the hydrosphere cause (Answer : C)
???????? ???????? ???????????? a) Air pollutionb ????b) Soil pollutionc ????c) Water pollutiond ????d)Soil erosion
???????????? 78 ???? ????Energy flow in an ecosystem is (Answer : C)
???????? ???????? ???????????? a) Bidirectionalb ????b) Unidirectionalc ????c) Multidirectionald ????d)All rounds
???????????? 79 ???? ????Energy from the heat inside the earth is (Answer : B)
???????? ???????? ???????????? a) a Natur al gas ????b) Geothermalc ????c) Petroleumd ????d)Terr athermal
???????????? 80 ???? ????Energy in the r ays from the sun is called (Answer : A)
???????? ???????? ???????????? a) Solar energyb ????b) Wind energyc ????c) Tidal energyd ????d)Water energy
???????????? 81 ???? ????Environment is the lif e support system that includes (Answer : D)
???????? ???????? ???????????? a) Airb ????b) Waterc ????c) Landd ????d)All of the above
???????????? 82 ???? ????Extensive planting of trees to increase cover is called (Answer : A)
???????? ???????? ???????????? a) Af f orestation(b ????b) Agrof orestation(c ????c) Def orestation(d ????d)Social f orestry
???????????? 83 ???? ????Extensive planting of trees to increase f orest cover is called (Answer : A)
???????? ???????? ???????????? a) Af f orestation, b ????b) Agrof orestry, c ????c) Def orestation, d ????d)Social f orestry
???????????? 84 ???? ????Forest and wild lif e are (Answer : A)
???????? ???????? ???????????? a) Renewable resource(b ????b) Non-renewable resources (c ????c) Inexhaustible resources (d ????d)None
of these
???????????? 85 ???? ????Forests prevent soil erosion by binding soil particles in their (Answer : B)
???????? ???????? ???????????? a) Leaves(b ????b) Roots(c ????c) Buds(d ????d)Stems
???????????? 86 ???? ????Formation of hole in Ozone is maximum over (Answer : C)
???????? ???????? ???????????? a) Indiab ????b) Europec ????c) Antarcticad ????d)Africa
???????????? 87 ???? ????Fossil f uel and metallic miner als are: (Answer : C)
???????? ???????? ???????????? a) Renewable resource (b ????b) Inexhaustible resources (c ????c) Non-renewable resources (d ????d)None
of these
???????????? 88 ???? ????Green house ef f ect is linked to (Answer : C)
???????? ???????? ???????????? a) Nitrogen oxidesb ????b) Sulphur dioxidesc ????c) Carbon dioxidesd ????d)Carbon monoxides
???????????? 89 ???? ????In our country the percentage of land under f orest is about: (Answer : B)
???????? ???????? ???????????? a) 20%(b ????b) 19%(c ????c) 25%(d ????d)30%
???????????? 90 ???? ????In respect of water crisis, there have been conflicts/disputes between two countries, or states of the
same country. Which of the f ollowing has never been the case of water conflict? (Answer : D)
???????? ???????? ???????????? a) Cauvery water dispute between Tamil Nadu and Karnataka (b ????b) Yamuna-Betwa dispute between
U.P. and M.P. (c ????c) Sutlej Yamuna Link (SYL ????d)canal dispute between Pun jab and Haryana (d
???????????? 91 ???? ????Instrumentation technology used to locate suitable places f or mining (Answer : C)
???????? ???????? ???????????? a) a) Microscope ????b) b) Salinometer ????c) c) GIS ????d)d) camer a tr ap
???????????? 92 ???? ????Kaveri water dispute is in between: (Answer : D)
???????? ???????? ???????????? a) India and Pakistan (b ????b) Pun jab and Haryana (c ????c) Uttar Pr adesh and Madhya Pr adesh (d
????d)Karnataka and Tamil Nadu
???????????? 93 ???? ????Khetri (Ra jasthan) is f amous f or: (Answer : B)
???????? ???????? ???????????? a) Coal mines(b ????b) Copper mines(c ????c) Gr anite stone(d ????d)Marble stone
???????????? 94 ???? ????Main source of acid r ain is (Answer : A)
???????? ???????? ???????????? a) Sulphur dioxideb ????b) Nitrogenc ????c) Carbon dioxided ????d)Carbon monoxide
???????????? 95 ???? ????Ma jor consumer of wood from f orest is ___________ (Answer : B)
???????? ???????? ???????????? a) Thermal Power Plant ????b) Paper Industry ????c) Chemistry Industry ????d)none
???????????? 96 ???? ????Moisture in the air is known as (Answer : D)
???????? ???????? ???????????? a) a) Water ????b) (b) Fog ????c) ( c) Snow ????d)(d) Humidity
???????????? 97 ???? ????Name the country which virtually closed cod fishery in the 1990?s due to depletion of fish reserves
(Answer : A)
???????? ???????? ???????????? a) a) Canada ????b) b) Argentina ????c) c) Italy ????d)d) India
???????????? 98 ???? ????Name the financial agency which hesistate to support the Sardar Sarovar Pro ject in India in 1993 a result
of the demands of local people threatened with the loss of their livelihoods and homes in the submergence area.
(Answer : B)
???????? ???????? ???????????? a) a) Swiss bank ????b) b) World Bank ????c) c) Bank of India ????d)d) International Monetary Fund
???????????? 99 ???? ????Nitrogen constitutes about 78% of the atmosphere (Answer : C)
???????? ???????? ???????????? a) By weight(b ????b) By mass(c ????c) By volume(d ????d)None of these
???????????? 100 ???? ????Noise is measured by sound meter and the unit is (Answer : C)
???????? ???????? ???????????? a) Hertzb ????b) Joulec ????c) Decibeld ????d)Seconds
???????????? 101 ???? ????One of India?s serious environmental problems is f orest degr adation. What is the main cause of f orest
degr adation? (Answer : A)
???????? ???????? ???????????? a) timber extr action ????b) honey extr action ????c) high altitude ????d)Low Rainf all
???????????? 102 ???? ????Ozone day is observed on (Answer : B)
???????? ???????? ???????????? a) 3rd Januaryb ????b) 16th Septemberc ????c) 10th Novemberd ????d)26th March
???????????? 103 ???? ????Ozone Umbrella is located in which layer of atmosphere (Answer : B)
???????? ???????? ???????????? a) a) Troposphere ????b) (b) Str atosphere ????c) (c) Mesosphere ????d)(d) Ionosphere
???????????? 104 ???? ????Peeling of Ozone umbrella, which protects us from UV r ays, is caused by (Answer : B)
???????? ???????? ???????????? a) Carbon monoxideb ????b) CFCsc ????c) Coal burningd ????d)Methane
???????????? 105 ???? ????Soil erosion removes surf ace soil which contains (Answer : A)
???????? ???????? ???????????? a) Organic matterb ????b) Plant nutrientsc ????c) Both a and bd ????d)none of the above
???????????? 106 ???? ????Sustainable development means (Answer : C)
???????? ???????? ???????????? a) a. meeting present needs without compromising on f uture needs ????b) b. progress of human beings
????c) c. balance between human needs and the ability of earth to provide the resources ????d)d. all of the above
???????????? 107 ???? ????The adverse ef f ect of modern agriculture is (Answer : B)
???????? ???????? ???????????? a) Water pollutionb ????b) Soil degr adationc ????c) Water loggingd ????d)All of the above
???????????? 108 ???? ????The f ossil f uel that is derived from the dead remains of plants that grew some 250 million years ago is
(Answer : C)
???????? ???????? ???????????? a) Petroleumb ????b) Natur al gasc ????c) Coald ????d)LPG
???????????? 109 ???? ????The impact of construction of dams (Answer : D)
???????? ???????? ???????????? a) Submerged f orest b ????b) Loss of wild lif e habitat c ????c) Damages downstream ecosystem d ????d)All
of the above
???????????? 110 ???? ????The ma jor cause f or land degr adation in our country is (Answer : A)
???????? ???????? ???????????? a) Soil erosion(b ????b) Pollution of soil(c ????c) Water-logging(d ????d)None of the above
???????????? 111 ???? ????The ma jor reason f or floods in the rivers Ganges and Br ahmaputr a is ________ (Answer : B)
???????? ???????? ???????????? a) a) Dams in Himalayas ????b) b) Def orestation in Himalayas ????c) c) Heavy r ains ????d)d) Melting of ice
???????????? 112 ???? ????The method of r ainwater harvesting which can be adopted by individual house owners is (Answer : D)
???????? ???????? ???????????? a) Construction of recharge trenches (b ????b) On channel stor age of water (c ????c) Creation of new
water bodies (d ????d)Roof-top r ainwater harvesting
???????????? 113 ???? ????The percentage of total world?s precipitation, which is lost to the atmosphere through evapor ation,
approximates to: (Answer : A)
???????? ???????? ???????????? a) 57%(b ????b) 7%(c ????c) 37%(d ????d)43%
???????????? 114 ???? ????The process of restoring f orests that once existed but was removed at some time in the past is known
as (Answer : B)
???????? ???????? ???????????? a) Af f orestationb ????b) Ref orestationc ????c) Def orestationd ????d)None of these
???????????? 115 ???? ????The share of Hydropower (Hydel pro jects) in worlds commercial electricity production is less than ________
(Answer : D)
???????? ???????? ???????????? a) 2.00% ????b) 4.00% ????c) 12.00% ????d)20.00%
???????????? 116 ???? ????The species restricted to be present in one region are called (Answer : B)
???????? ???????? ???????????? a) Edge speciesb ????b) Endemic species c ????c) Endangered species d ????d)Keystone species
???????????? 117 ???? ????The teeth are likely to be pitted, more susceptible to cavities and wear, when the fluoride concentr ation
is: (Answer : D)
???????? ???????? ???????????? a) More than 2 mg/1 (b ????b) More than 40 mg/1 (c ????c) More than 20 mg/1 (d ????d)More than 4 mg/1
???????????? 118 ???? ????The term ?Environment? has been derived from the French word which means to encircle or surround
(Answer : A)
???????? ???????? ???????????? a) Environb ????b) Oikosc ????c) Geod ????d)Aqua
???????????? 119 ???? ????Wetlands in the flood plains of rivers are also considered as nature?s ________ (Answer : C)
???????? ???????? ???????????? a) a) Heat sink ????b) b) carbon sink ????c) c) flood control systems ????d)d) swimming pool
???????????? 120 ???? ????What are rodenticides? (Answer : C)
???????? ???????? ???????????? a) that kill fishes ????b) that kill insects ????c) that kill r ats ????d)that kill crocos
???????????? 121 ???? ????What is Kyoto Protocol? (Answer : A)
???????? ???????? ???????????? a) a. It is an agreement among countries to take steps f or reducing global warming. ????b) b. It is an
agreement among countries to take steps f or reducing acid r ain. ????c) c. It is an agreement among countries to take steps
f or planting trees to control pollution. ????d)d. It is an agreement among countries to start using nuclear energy.
???????????? 122 ???? ????What is the ma jor limiting f actor in the arid areas of our country? (Answer : C)
???????? ???????? ???????????? a) a) Money ????b) b) f orests ????c) c) water ????d)d) soil
???????????? 123 ???? ????What kind of people are the most ill-af f ected by the construction of dams? (Answer : D)
???????? ???????? ???????????? a) a) Urban dwellers ????b) b) beach dwellers ????c) c) tourists ????d)d) tribal people
???????????? 124 ???? ????When fluoride concentr ation in H2O exceeds about 1.5 mg/1, the disease that may be caused, is
(Answer : B)
???????? ???????? ???????????? a) Dental caries in children(b ????b) Fluorosis(c ????c) Polymyelitis(d ????d)Methemoglobinemia
???????????? 125 ???? ????Which among the f ollowing is a sedimentary type of cycle? (Answer : A)
???????? ???????? ???????????? a) Sulphur cycle(b ????b) Nitrogen cycle(c ????c) Oxygen cycle(d ????d)Carbon cycle
???????????? 126 ???? ????Which gas is responsible f or ozone layer depletion around earth? (Answer : B)
???????? ???????? ???????????? a) Carbon dioxideb ????b) Chlorofluorocarbonsc ????c) Oxygend ????d)Nitrogen oxide
???????????? 127 ???? ????Which gas is responsible f or the global warming? (Answer : B)
???????? ???????? ???????????? a) Nitrogenb ????b) Carbon dioxidec ????c) Noble gasesd ????d)Hydrogen
???????????? 128 ???? ????Which is a list of renewable resources? (Answer : D)
???????? ???????? ???????????? a) Petroleum, geothermal, wind b ????b) Biomass, geothermal, hydropower c ????c) Natur al gas, wind,
biomass d ????d)Hydropower, solar, wind energy
???????????? 129 ???? ????Which is the only country who has not r atified the Kyoto Protocol yet? (Answer : A)
???????? ???????? ???????????? a) United States ????b) Austr alia ????c) Japan ????d)India
???????????? 130 ???? ????Which of below items is the ma jor sector which extr acts most of fresh water available f or utilization?
(Answer : D)
???????? ???????? ???????????? a) domestic use ????b) drinking water ????c) bever age industry ????d)agriculture
???????????? 131 ???? ????Which of the f ollowing are consequences of ozone depletion (Answer : A)
???????? ???????? ???????????? a) Skin cancer and catar actb ????b) Reduced growth in plants c ????c) Shortening of zooplanktons and
their breeding period d ????d)All of the above
???????????? 132 ???? ????Which of the f ollowing are ma jor environmental issues involved in mining? (Answer : D)
???????? ???????? ???????????? a) air pollutionb ????b) water pollutionc ????c) soil degr adationd ????d)all of the above
???????????? 133 ???? ????Which of the f ollowing ef f ect is responsible f or Global Warming? (Answer : A)
???????? ???????? ???????????? a) Green house ef f ectb ????b) Radioactive ef f ectc ????c) Solar ef f ectd ????d)Nuclear ef f ect
???????????? 134 ???? ????Which of the f ollowing is management option f or air pollution? (Answer : D)
???????? ???????? ???????????? a) Regulations and standardsb ????b) Tr ansport planningc ????c) Using CNG as f ueld ????d)All of these
???????????? 135 ???? ????Which of the f ollowing is not a method f or water conservation? (Answer : B)
???????? ???????? ???????????? a) Rainwater harvesting(b ????b) Groundwater extr action (c ????c) Improving irrigation ef ficiency (d
????d)Avoiding water wastage
???????????? 136 ???? ????Which of the f ollowing is not a viable protection against def orestation? (Answer : C)
???????? ???????? ???????????? a) Reduce the consumption of f orest and related products (b ????b) Boycott products of companies
involve in def orestation (c ????c) Privatisation of f orest land (d ????d)Environmental education
???????????? 137 ???? ????Which of the f ollowing is not influenced by human activities? (Answer : D)
???????? ???????? ???????????? a) Destruction of mangroves and wetlands b ????b) Depletion of ground water c ????c) Increased
extinction r ate of species d ????d)None of the above
???????????? 138 ???? ????Which of the f ollowing is not true about def orestation? (Answer : C)
???????? ???????? ???????????? a) Population explosion is one of the reasons f or def orestation (b ????b) Cleaning of f orest f or
agriculture causes def orestation. (c ????c) Def orestation is taking place only in developing courtiers. (d ????d)Cash crop
economy of third world is a cause of def orestation.
???????????? 139 ???? ????Which of the f ollowing is responsible f or desertification? (Answer : D)
???????? ???????? ???????????? a) Def orestation(b ????b) Mining(c ????c) Overgr azing(d ????d)All of the above
???????????? 140 ???? ????Which of the f ollowing statements about the f orest is not correct? (Answer : D)
???????? ???????? ???????????? a) Forest reduces soil erosion (b ????b) Provides recreational opportunities (c ????c) Provides economic
development (d ????d)None of the above
???????????? 141 ???? ????Which of these is not a f ossil f uel? (Answer : D)
???????? ???????? ???????????? a) Coalb ????b) Oilc ????c) Natur al gasd ????d)Ur anium
???????????? 142 ???? ????Which one of the f ollowing is not an ideal solution f or tackling water shortages? (Answer : D)
???????? ???????? ???????????? a) Controlling population growth (b ????b) Conserving water in irrigation (c ????c) Controlling water
pollution (d ????d)Drilling large number of deep bore wells
???????????? 143 ???? ????Which one of the f ollowing regions in India is a hotspot of biodiversity? (Answer : B)
???????? ???????? ???????????? a) Sundarbansb ????b) Western Ghatsc ????c) Eastern Ghatsd ????d)Gangetic plains
???????????? 144 ???? ????World environment day is on: (Answer : B)
???????? ???????? ???????????? a) 5th Mayb ????b) 5th Junec ????c) 18th Julyd ????d)16th August
???????????? 145 ???? ????World Forest day is celebr ated on (Answer : A)
???????? ???????? ???????????? a) 21st March b ????b) 5th June c ????c) 1st Dec d ????d)7th June
???????????? 146 ???? ????Yellowing of Ta j Mahal is an ef f ect of (Answer : A)
???????? ???????? ???????????? a) Acid r ainb ????b) Global warmingc ????c) Ozone depletiond ????d)All of the above
???????????? 147 ???? ????Green Revolution in India was initiated by __________ (Answer : A)
???????? ???????? ???????????? a) M.S. Swaminathan ????b) Sunderlal Bahuguna ????c) Kurien ????d)Medha Patkar
???????????? 148 ???? ????Who wrote the book Violence of Green Revolution (Answer : A)
???????? ???????? ???????????? a) Vandana Siva ????b) Sheela Dikshit ????c) Menaka Gandhi ????d)Arundhathi Roy.
???????????? 149 ???? ????World Forest day is celebr ated on (Answer : A)
???????? ???????? ???????????? a) 21st March ????b) 5th June ????c) 1st Dec ????d)7th June
???????????? 150 ???? ????The Chipko movement is started by (Answer : B)
???????? ???????? ???????????? a) Engler ????b) Sunderlal Bahuguna ????c) Medha Padkar ????d)None of these
???????????? 151 ???? ????Green revolution is associated with _________ (Answer : B)
???????? ???????? ???????????? a) sericulture ????b) Agriculture ????c) Fish culture ????d)silviculture
???????????? 152 ???? ????Which gas is likely to be reduced in the atmosphere by def orestation? (Answer : C)
???????? ???????? ???????????? a) Carbon dioxide ????b) Nitrogen ????c) Oxygen ????d)Sulphur dioxide
???????????? 153 ???? ????Extensive planting of trees to increase f orest cover is called (Answer : A)
???????? ???????? ???????????? a) Af f orestation ????b) Agrof orestry ????c) Def orestation ????d)Social f orestry
???????????? 154 ???? ????Soil erosion can be prevented by (Answer : B)
???????? ???????? ???????????? a) Def orestation ????b) Af f orestation ????c) Overgr azing ????d)Removal of vegetation
???????????? 155 ???? ????The components of LPG are _____________ (Answer : B)
???????? ???????? ???????????? a) Methane & Hexane ????b) Propane & Butane ????c) Ethane & Methane ????d)Propane & Ethane
???????????? 156 ???? ????Which of the f ollowing is the most responsible f or world water crisis? (Answer : C)
???????? ???????? ???????????? a) Dams ????b) Floods ????c) Drought ????d)Population growth
???????????? 157 ???? ????The resources that can be replaced by natur al ecological cycle is called (Answer : A)
???????? ???????? ???????????? a) Renewable ????b) Non-renewable ????c) exhaustible ????d)natur al
???????????? 158 ???? ????The amount of solar r adiation reaching the surf ace of the earth is called (Answer : A)
???????? ???????? ???????????? a) Solar flux ????b) reflected light ????c) miner als ????d)solvents
???????????? 159 ???? ????The most harmf ul of ultr aviolet r adiations are (Answer : A)
???????? ???????? ???????????? a) UV-C ????b) UV-B ????c) UV-A ????d)All the above
???????????? 160 ???? ????A renewable source of energy is (Answer : D)
???????? ???????? ???????????? a) Petroleum ????b) Coal ????c) Nuclear f uel ????d)Trees
???????????? 161 ???? ????The capacity to do work is termed as (Answer : D)
???????? ???????? ???????????? a) Power ????b) Force ????c) Strength ????d)Energy
???????????? 162 ???? ????The unit of total water content of the soil is known as (Answer : A)
???????? ???????? ???????????? a) Holard ????b) Chr aserd ????c) Echard ????d)All of the above
???????????? 163 ???? ????Pedology? (Answer : C)
???????? ???????? ???????????? a) Study of water ????b) Study of air ????c) Study of soil ????d)none
???????????? 164 ???? ????What is def orestation? (Answer : B)
???????? ???????? ???????????? a) Product of f orest ????b) Destruction of f orest ????c) Forest Protection ????d)none
???????????? 165 ???? ????Def orestation gener ally decreases (Answer : D)
???????? ???????? ???????????? a) Global Warming ????b) Drought ????c) Soil erosion ????d)Rainf all
???????????? 166 ???? ????Which among the f ollowing result in the f ormation of soil? (Answer : B)
???????? ???????? ???????????? a) Radiation ????b) Weathering ????c) Erosion ????d)Pollution
???????????? 167 ???? ????Mulching helps in (Answer : B)
???????? ???????? ???????????? a) soil f ertility ????b) moisture conservation ????c) improvements soil structure ????d)soil sterility
???????????? 168 ???? ????........................ is an example of ?bottom f eeders?. (Answer : A)
???????? ???????? ???????????? a) Cat fish ????b) Frog ????c) Snake ????d)Tadpole ????e)
???????????? 169 ???? ????..................... trees shed their leaves during winter and hot summer. (Answer : C)
???????? ???????? ???????????? a) (a) ever green ????b) b) conif erous ????c) c) deciduous ????d)d) Shola
???????????? 170 ???? ????...................... is a cold desert in India (Answer : B)
???????? ???????? ???????????? a) Thar ????b) Ladakh ????c) Ran of Kutch ????d)Bhopal
???????????? 171 ???? ????A lake ecosystem f unctions as a (Answer : A)
???????? ???????? ???????????? a) Ter ai ????b) Shola gr asslands ????c) Semi arid plains ????d)Himalayan pastures
???????????? 172 ???? ????An example of nitrogen fixing bacteria in the soil (Answer : C)
???????? ???????? ???????????? a) Rhizobium ????b) Nostoc ????c) Azotobacter ????d)Nitrobacter
???????????? 173 ???? ????An example of one way ecological cycle is (Answer : C)
???????? ???????? ???????????? a) carbon dioxide cycle ????b) water cycle ????c) energy cycle ????d)oxygen cycle
???????????? 174 ???? ????Br ackish water ecosystems in river deltas are among (Answer : B)
???????? ???????? ???????????? a) Least productive ecosystems ????b) Most productive in terms of biomass production ????c) c)
Unproductive d) Stagnant ecosystems ????d)
???????????? 175 ???? ????Ecology is (Answer : C)
???????? ???????? ???????????? a) The science that studies the evolution of lif e, ????b) b) Integr ates both social and natur al sciences to
help us understand how the earth works, ????c) c) The study of the relationships between organisms and their
environment ????d)d) The study of the environment in the absence of humans
???????????? 176 ???? ????Forests grow in high r ain f all areas are (Answer : A)
???????? ???????? ???????????? a) (a) ever green f orests ????b) b) temper ate f orests ????c) c) conif ers ????d)d) Tundr a
???????????? 177 ???? ????Fungi is a (Answer : D)
???????? ???????? ???????????? a) Macroconsumer ????b) Producer ????c) Carnivore d ????d)Microconsumer
???????????? 178 ???? ????Nitrogen fixing blue green alga (Answer : C)
???????? ???????? ???????????? a) Clostridium ????b) Rhizobium ????c) Nostoc ????d)Nitrosomonas
???????????? 179 ???? ????Nitrogen gas returns to the atmosphere by the action of (Answer : B)
???????? ???????? ???????????? a) Nitrogen fixing bacteria ????b) Denitrif ying bacteria ????c) Nitrif ying bacteria ????d)Nitr ate f ertilizers
???????????? 180 ???? ????Patches of tall gr asslands interspersed with Sal f orest ecosystem is (Answer : A)
???????? ???????? ???????????? a) ????b) ????c) ????d)
???????????? 181 ???? ????Ramsar Convention ref ers to the conservation of ____________ (Answer : B)
???????? ???????? ???????????? a) (a) Deserts ????b) b) Wetlands ????c) c) Agriculture lands, ????d)d) Forest land
???????????? 182 ???? ????Some species whose removal can af f ect the survival of an ecosystem are called (Answer : B)
???????? ???????? ???????????? a) ????b) b) Keystone species ????c) c) Producers ????d)d) Carnivores
???????????? 183 ???? ????Sunderbans is home to (Answer : B)
???????? ???????? ???????????? a) Giant permanent pond ????b) Tempor ary aquatic system ????c) Simplest aquatic ecosystem ????d)Water
tank
???????????? 184 ???? ????The conversion of ammonia to nitr ate is known as ________ (Answer : B)
???????? ???????? ???????????? a) (a) ammonification ????b) b) nitrification ????c) c) denitrification ????d)d) all of these
???????????? 185 ???? ????The f orests which occur in law r ain f all area is (Answer : B)
???????? ???????? ???????????? a) (a) Evergreen f orests ????b) b) deciduous f orests ????c) c) Conif erous f orest ????d)d) All the above.
???????????? 186 ???? ????The inherent ability of organisms to reproduce and multiply is called, (Answer : B)
???????? ???????? ???????????? a) C value ????b) b) biotic potential ????c) c) carrying capacity ????d)d) K value
???????????? 187 ???? ????The largest br ackish water lake situated in Asia is in Orissa. Which is the lake? (Answer : A)
???????? ???????? ???????????? a) (a) Chilka lake ????b) b) Vembanad lake ????c) c) Woolar lake ????d)d) Dal lake
???????????? 188 ???? ????The Little Rann of Kutch is home to (Answer : D)
???????? ???????? ???????????? a) Horse ????b) b) Great Indian Bustard ????c) c) Lion ????d)d) Wild Ass
???????????? 189 ???? ????The presence of which is necessary f or photosynthesis (Answer : B)
???????? ???????? ???????????? a) (a) Chlorof orm ????b) b) Chlorophyll ????c) c) Phosphorus ????d)d) Polymer
???????????? 190 ???? ????The process through which ecosystems tend to change after a period of time is called (Answer : A)
???????? ???????? ???????????? a) ????b) ????c) ????d)
???????????? 191 ???? ????The species that flower are called (Answer : C)
???????? ???????? ???????????? a) (a) gymnosperms ????b) b) bryophytes ????c) c) angiosperms ????d)d) algae
???????????? 192 ???? ????The term ?Eco? implies (Answer : A)
???????? ???????? ???????????? a) Environment ????b) Ecotone ????c) Ecotourism ????d)Soil
???????????? 193 ???? ????The term ?Ecology? was coined by (Answer : B)
???????? ???????? ???????????? a) A.G.Tansley ????b) Earnst Haeckel ????c) Aristotle ????d)Linnaeus
???????????? 194 ???? ????The word Biophilia was coined by (Answer : D)
???????? ???????? ???????????? a) Dr. Hackel ????b) Dr.Johanssen ????c) Dr. Ben jamine ????d)E. O. Wilson
???????????? 195 ???? ????What is Dendrology? (Answer : C)
???????? ???????? ???????????? a) Study of Plants ????b) Study of Butterflies ????c) Study of Trees ????d)None of these
???????????? 196 ???? ????What is edge species? (Answer : A)
???????? ???????? ???????????? a) The species which occur abundantly in the ecotone ????b) b) Species on the verge of extinction ????c)
c) Rare species ????d)d) Endemic species
???????????? 197 ???? ????What is symbiosis? (Answer : C)
???????? ???????? ???????????? a) Study of distribution of related species ????b) b) Association between members of same species
????c) c) Association between members of two species ????d)d) None
???????????? 198 ???? ????When number of f ood chains is interlocked this is called (Answer : C)
???????? ???????? ???????????? a) f ood link ????b) f ood chain ????c) f ood web ????d)pyr amid
???????????? 199 ???? ????Which is an example f or sedimentary biogeochemical cycle (Answer : D)
???????? ???????? ???????????? a) Oxygen cycle ????b) Nitrogen cycle ????c) Water cycle ????d)Phosphorus cycle
???????????? 200 ???? ????Which is the second largest in species richness? (Answer : C)
???????? ???????? ???????????? a) Desert ????b) b) Tundr a ????c) c) Cor al reefs ????d)d) Flowing water
???????????? 201 ???? ????Gr assland of USA is ref erred to as (Answer : A)
???????? ???????? ???????????? a) Pr airies ????b) Steppes ????c) Pampas ????d)Veldts
???????????? 202 ???? ????The complex network of interconnected f ood chains is called ___________ (Answer : B)
???????? ???????? ???????????? a) Trophic level ????b) Food web ????c) Ecological pyr amid ????d)Ecology chain
???????????? 203 ???? ????The animal which consumes decaying organic matter is _________ (Answer : B)
???????? ???????? ???????????? a) Carnivore ????b) Detritivore ????c) Herbivore ????d)Producers
???????????? 204 ???? ????An ecosystem gr adually merges with an adjoining one through a tr ansitional zone is called the
______________ (Answer : C)
???????? ???????? ???????????? a) Ecological niche ????b) ecological f ootprint ????c) ecotone ????d)Shore ef f ect
???????????? 205 ???? ????The Primary Consumers are also called as (Answer : A)
???????? ???????? ???????????? a) Herbivores ????b) Carnivores ????c) Enzymes ????d)None of these
???????????? 206 ???? ????The f orests which occur in law r ain f all area is called (Answer : B)
???????? ???????? ???????????? a) Evergreen f orests ????b) deciduous f orests ????c) Conif erous f orest ????d)All the above
???????????? 207 ???? ????Favor able morphological and physiological response to a change in environment is called (Answer : D)
???????? ???????? ???????????? a) Preadaptation ????b) Ecotyping ????c) Formation of ecophenes ????d)Acclimatization
???????????? 208 ???? ????Plants adapted to open, sunny habitats are (Answer : B)
???????? ???????? ???????????? a) Sciophytes ????b) Heliophytes ????c) Mesophytes ????d)Epiphytes
???????????? 209 ???? ????Temper ate f orests occur in India in (Answer : B)
???????? ???????? ???????????? a) Indo-gangetic plains ????b) Himalayas ????c) Eastern India ????d)Southern peninsula
???????????? 210 ???? ????In India, tropical evergreen f orests occur in (Answer : C)
???????? ???????? ???????????? a) Himachal Pr adesh ????b) Madhya Pr adesh ????c) Assam ????d)Tamil Nadu
???????????? 211 ???? ????Which one is natures cleaner? (Answer : C)
???????? ???????? ???????????? a) Consumers ????b) Producers ????c) Decomposers and Scavengers ????d)Symbionts
???????????? 212 ???? ????The relationship between nitrogen fixing bacteria and leguminous plants is an example f or (Answer : C)
???????? ???????? ???????????? a) Par asitism ????b) Predation ????c) Mutualism ????d)Symbiosis
???????????? 213 ???? ????______ trees shed their leaves during winter and hot summer. (Answer : C)
???????? ???????? ???????????? a) Ever green ????b) Conif erous ????c) Deciduous ????d)Shola
???????????? 214 ???? ????Thorn f orests are f ound in the_______ regions (Answer : A)
???????? ???????? ???????????? a) Semi-arid ????b) High r ain f all areas ????c) Low temper ature ????d)Frozen areas
???????????? 215 ???? ????________ is a cold desert in India (Answer : B)
???????? ???????? ???????????? a) Thar ????b) Ladakh ????c) Ran of Kutch ????d)Bhopal
???????????? 216 ???? ????______ is an example of bottom f eeders (Answer : A)
???????? ???????? ???????????? a) Cat fish ????b) Frog ????c) Snake ????d)Tadpole
???????????? 217 ???? ????A Hawk that eats a frog is a (Answer : D)
???????? ???????? ???????????? a) Producer ????b) Primary Consumer ????c) Secondary Consumer ????d)Tertiary Consumer
???????????? 218 ???? ????An example of lotic system (Answer : B)
???????? ???????? ???????????? a) Pond ????b) River ????c) Lake ????d)Reservoir
???????????? 219 ???? ????Complex interlinked f ood chains are called (Answer : A)
???????? ???????? ???????????? a) Food Web ????b) Food net work ????c) Trophic levels ????d)Food pyr amid
???????????? 220 ???? ????Lotic ecosystem ref ers to (Answer : B)
???????? ???????? ???????????? a) Static water system ????b) Ecosystem of flowing water ????c) Ecosystem of estuaries ????d)Deep
marine water system
???????????? 221 ???? ????Autotrophs are ______________ (Answer : D)
???????? ???????? ???????????? a) Consumers ????b) Herbivores ????c) Saprophytes ????d)Producers
???????????? 222 ???? ????Organisms which depened on Producers f or nutrition are called (Answer : C)
???????? ???????? ???????????? a) Autotrophs ????b) Saprophytes ????c) Consumers ????d)Xerophytes
???????????? 223 ???? ????The source of atmospheric oxygen is (Answer : B)
???????? ???????? ???????????? a) Nitrogen cycle ????b) Green Plants ????c) Water ????d)Carbon Cycle
???????????? 224 ???? ????Plants which grow in shade are called (Answer : A)
???????? ???????? ???????????? a) Sciophytes ????b) Heliophytes ????c) Oxylophytes ????d)Epiphytes
???????????? 225 ???? ????Photosynthesis is f ound in (Answer : A)
???????? ???????? ???????????? a) Producers ????b) Decomposers ????c) Consumers ????d)Scavengers
???????????? 226 ???? ????Phytoplankton are (Answer : B)
???????? ???????? ???????????? a) Producers of f orest ????b) Producers of lakes ????c) Consumers of Ocean ????d)Omnivores
???????????? 227 ???? ????Gas released during photosynthesis is (Answer : C)
???????? ???????? ???????????? a) Methane ????b) Nitrogen ????c) Oxygen ????d)Carbon dioxide
???????????? 228 ???? ????The ma jor reservoir of carbon is (Answer : B)
???????? ???????? ???????????? a) The atmosphere ????b) Ocean Bed ????c) Plant and animals ????d)Rock
???????????? 229 ???? ????The simplest aquatic ecosystem can be seen in a (Answer : C)
???????? ???????? ???????????? a) River ????b) Lake ????c) Pond ????d)Water Tank
???????????? 230 ???? ????What is hibernation and aestivation? (Answer : A)
???????? ???????? ???????????? a) Thermal adaptation shown by animals ????b) wind adaptation shown by animals ????c) adaptation of
animals to escape from predators ????d)None
???????????? 231 ???? ????What is lentic habitat ? (Answer : B)
???????? ???????? ???????????? a) Running water habitat ????b) Standing or still water habitat ????c) Marine habitat ????d)None
???????????? 232 ???? ????What is lotic habitat? (Answer : C)
???????? ???????? ???????????? a) Standing or still water habitat ????b) Marine habitat ????c) Running water habitat ????d)Stagnant water
???????????? 233 ???? ????What is Plankton? (Answer : A)
???????? ???????? ???????????? a) Microscopic floating organisms ? Plants and animals. ????b) bottom dwelling aquatic organisms ????c)
Large plants in water ????d)None
???????????? 234 ???? ????What is Canopy? (Answer : A)
???????? ???????? ???????????? a) Uppermost level of the f orest ????b) Ground level of the f orest ????c) Soil in f orest ????d)Climbers on
trees
???????????? 235 ???? ????North American gr assland are called (Answer : B)
???????? ???????? ???????????? a) Pampas ????b) Pr airies ????c) Savannah ????d)None
???????????? 236 ???? ????African gr asslands are called (Answer : C)
???????? ???????? ???????????? a) Pr airies ????b) Pampas ????c) Savannah ????d)None
???????????? 237 ???? ????Green plants are absent in deep sea. Why? (Answer : A)
???????? ???????? ???????????? a) Light is absent ????b) High pressure ????c) low temper ature ????d)Great depth
???????????? 238 ???? ????What is desertification? (Answer : D)
???????? ???????? ???????????? a) Conversion of f orests into desert ????b) Conversion of croplands into desert ????c) Conversion of
gr assland into desert ????d)all of the above
???????????? 239 ???? ????The first trophic level in a f ood chain (Answer : A)
???????? ???????? ???????????? a) Green Plants ????b) Herbivores ????c) Carnivores ????d)Bacteria
???????????? 240 ???? ????Sulphur bacteria are examples of (Answer : D)
???????? ???????? ???????????? a) Carnivores ????b) Heterotrophs ????c) Saprophytes ????d)Autotrophs
???????????? 241 ???? ????Green Land biome (Answer : B)
???????? ???????? ???????????? a) Tundr a ????b) Pampas ????c) Taiga ????d)Thaar.
???????????? 242 ???? ????What is deep ecology? (Answer : A)
???????? ???????? ???????????? a) Protecting nature f or its own sake ????b) Ecology of deep sea ????c) Ecology of f orest ????d)Ecology of
caves
???????????? 243 ???? ????Cor al reefs in India can be seen in (Answer : B)
???????? ???????? ???????????? a) Himalayan region ????b) Andaman and Nicobar Islands ????c) Uttarpr adesh ????d)Mahar ashtr a
???????????? 244 ???? ????____________ is one of the most endangered species of Indian birds (Answer : D)
???????? ???????? ???????????? a) Bee eater ????b) Par adise fly catcher ????c) Owl ????d)The great Indian bustard
???????????? 245 ???? ????................. species is known as Azadir achta Indica (Answer : A)
???????? ???????? ???????????? a) Neem ????b) Mango ????c) Jackfruit ????d)Banana
???????????? 246 ???? ????.................... is a marine tortoise which shows the unique phenomenon ?arribada? (Answer : A)
???????? ???????? ???????????? a) Olive Ridley ????b) Star T ortoise ????c) Tr avancore T ortoise ????d)b & c
???????????? 247 ???? ????.................... tree is known as ?flame of the f orest?? (Answer : B)
???????? ???????? ???????????? a) Zizyphus ????b) Butea monosperma ????c) Jackfruit ????d)Pongamea
???????????? 248 ???? ????All are insitu conservation ef f orts except (Answer : C)
???????? ???????? ???????????? a) National parks ????b) Sanctuaries ????c) Zoo ????d)
???????????? 249 ???? ????Approximately, 50% of total world species are present on (Answer : A)
???????? ???????? ???????????? a) tropical r ain f orest ????b) temper ate r ain f orest ????c) temper ate deciduous f orest d ????d)cor al reefs
???????????? 250 ???? ????Bears are usually hunted and killed f or their (Answer : B)
???????? ???????? ???????????? a) Teeth ????b) Skin ????c) Gall bladder ????d)Nails
???????????? 251 ???? ????Biodiversity (Answer : A)
???????? ???????? ???????????? a) increases towards the equator ????b) decreases towards the equator ????c) remains same throughout
the planet d ????d)has no ef f ect on change in latitude
???????????? 252 ???? ????Black Buck is a (Answer : B)
???????? ???????? ???????????? a) Goat ????b) Deer ????c) Butterfly ????d)Bird
???????????? 253 ???? ????Blue whale is placed under (Answer : A)
???????? ???????? ???????????? a) endangered ????b) critically endangered ????c) r are ????d)d) extinct
???????????? 254 ???? ????Conservation within the natur al habitat is (Answer : A)
???????? ???????? ???????????? a) insitu conservation ????b) exsitu conservation ????c) invivo conservation ????d)d) exvivo conservation
???????????? 255 ???? ????Cor al reefs in India can be seen in (Answer : B)
???????? ???????? ???????????? a) Himalayan region ????b) Andaman and Nicobar Islands ????c) Uttarpr adesh ????d)Mahar ashtr a
???????????? 256 ???? ????Dodo is (Answer : D)
???????? ???????? ???????????? a) endangered ????b) b) critically endangered ????c) c) r are ????d)d) extinct
???????????? 257 ???? ????Endemic species are (Answer : B)
???????? ???????? ???????????? a) r are species ????b) b) species localised in a specific region ????c) c) cosmopolitan in distribution d)
critically endangered species ????d)
???????????? 258 ???? ????Ex situ conservation includes (Answer : D)
???????? ???????? ???????????? a) Zoo ????b) Botanic garden ????c) c) Germplasm bank ????d)d) all of the above
???????????? 259 ???? ????Gharial is a (Answer : A)
???????? ???????? ???????????? a) Crocodile ????b) b) Cobr a ????c) c) T ortoise ????d)d) Frog
???????????? 260 ???? ????Herpetology is a br anch of Science which deals with (Answer : C)
???????? ???????? ???????????? a) Aves ????b) Mammals ????c) Reptiles ????d)Fishes
???????????? 261 ???? ????Hot spots are regions of high (Answer : B)
???????? ???????? ???????????? a) r arity ????b) b) endemism ????c) c) critically endangered population d) diversity ????d)d) diversity
???????????? 262 ???? ????India is primary centre of domestication of (Answer : D)
???????? ???????? ???????????? a) Sheep ????b) Goat ????c) Water Buf f alo ????d)Elephants
???????????? 263 ???? ????IUCN (The International Union For Conservation Of Nature And Natur al Resources) headquarters is at
(Answer : A)
???????? ???????? ???????????? a) Morges, Switzerland ????b) Paris, Fr ance ????c) Vienna, Austria d ????d)NewYork, USA
???????????? 264 ???? ????IUCN is also called as (Answer : B)
???????? ???????? ???????????? a) Man and Biosphere progr am ????b) World Conservation Union ????c) World Conservation Consortium
d ????d)World Wide Conservation Union
???????????? 265 ???? ????Killing of animals disturbs (Answer : C)
???????? ???????? ???????????? a) Good f or eco system ????b) Good f or man ????c) The balance of nature ????d)None
???????????? 266 ???? ????MAB progr am stands f or (Answer : D)
???????? ???????? ???????????? a) Man and biotechnology ????b) Material and biology ????c) Man and Biology ????d)Man and Biosphere
???????????? 267 ???? ????Pangolins f eed on (Answer : A)
???????? ???????? ???????????? a) ants ????b) b) fruits ????c) c) leaves ????d)d) roots
???????????? 268 ???? ????Red data book contains data of (Answer : D)
???????? ???????? ???????????? a) all plant species ????b) all animal species ????c) economically important species ????d)threatened
species
???????????? 269 ???? ????Silent Spring is a well known book written by (Answer : C)
???????? ???????? ???????????? a) John Miller ????b) Charles Darwin ????c) Rachel Carson ????d)Aldoleopold
???????????? 270 ???? ????The drug morphine is extr acted from ............... plant (Answer : C)
???????? ???????? ???????????? a) Cocoa ????b) Belladonna ????c) Opium Poppy ????d)Tannin
???????????? 271 ???? ????The first global environmental protection treaty The Montreal Protocol was signed on Sept. 26. (Answer
: D)
???????? ???????? ???????????? a) 1985 ????b) 1990 ????c) 1981 ????d)1987
???????????? 272 ???? ????The most important reason f or decrease in biodiversity is (Answer : D)
???????? ???????? ???????????? a) habitat pollution ????b) introduction of exotic species ????c) overexploitation ????d)habitat destruction
???????????? 273 ???? ????The only ape f ound in India (Answer : C)
???????? ???????? ???????????? a) Gorilla ????b) Chimpanzee ????c) Hoolock gibbon ????d)Or anguttan
???????????? 274 ???? ????Which of the f ollowing is a biodiversity hot sport in India? (Answer : A)
???????? ???????? ???????????? a) Western Ghats ????b) Nandadevi ????c) Eastern Ghats ????d)Ar avalli
???????????? 275 ???? ????Which of the f ollowing region has maximum diversity? (Answer : D)
???????? ???????? ???????????? a) mangroves ????b) temper ate r ainf orest ????c) taiga d ????d)cor al reefs
???????????? 276 ???? ????Which plants die after flowering? (Answer : B)
???????? ???????? ???????????? a) Lotus ????b) Bamboo ????c) Chrysanthemum ????d)Butea
???????????? 277 ???? ????Which tree is known as Cor al tree? (Answer : C)
???????? ???????? ???????????? a) Quercus ????b) Dipterocarps ????c) Erythrina ????d)Zizypus
???????????? 278 ???? ????Salim Ali Centre f or Ornithology and Natur al history is located at ______ (Answer : D)
???????? ???????? ???????????? a) Pune ????b) Hyder abad ????c) Ker ala ????d)Coimbatore
???????????? 279 ???? ????World wildlif e week is observed during (Answer : A)
???????? ???????? ???????????? a) First week of October ????b) Last week of October ????c) Third week of October ????d)First week of
September
???????????? 280 ???? ????Zoological Survey of India is at (Answer : C)
???????? ???????? ???????????? a) Delhi ????b) Mumbai ????c) Kolkata ????d)Chennai
???????????? 281 ???? ????The Salim Ali Bird sanctuary is located at (Answer : B)
???????? ???????? ???????????? a) Pondicherry ????b) Thattekad ????c) Anakkatti ????d)Kalakkadj
???????????? 282 ???? ????Who among the f ollowing is commonly called ?Bird Man of India?? (Answer : A)
???????? ???????? ???????????? a) Salim Ali ????b) M.S. Swaminathan ????c) M.C. Mehta ????d)Raphel Emerson
???????????? 283 ???? ????The phenomenon of occurrence of additional species f ound in the ecotone or tr ansitional zone
between adjoining ecosystems is known as _________ (Answer : A)
???????? ???????? ???????????? a) Edge ef f ect ????b) Root ef f ect ????c) Raman ef f ect ????d)Coolidge ef f ect
???????????? 284 ???? ????A set of organisms that resemble one another in appear ance and behaviour is called a _____________
(Answer : C)
???????? ???????? ???????????? a) Exons ????b) Prions ????c) Species ????d)guilds
???????????? 285 ???? ????All the genes of a population is called (Answer : A)
???????? ???????? ???????????? a) gene pool ????b) Genome ????c) Gene bunch ????d)Gene population
???????????? 286 ???? ????The first protected area in India is ____________ (Answer : B)
???????? ???????? ???????????? a) Silent valley ????b) Corbett National Park ????c) Bandipur sanctuary ????d)Nagar-Hole
???????????? 287 ???? ????The Indian Parliament passed the Biodiversity Bill in the year_________ (Answer : C)
???????? ???????? ???????????? a) 2000 ????b) 2005 ????c) 2002 ????d)2007
???????????? 288 ???? ????The destruction of habitat of plants and animals is called (Answer : C)
???????? ???????? ???????????? a) Endemism ????b) Endangered species ????c) Habitat loss ????d)Flood
???????????? 289 ???? ????Zoos are examples f or (Answer : C)
???????? ???????? ???????????? a) In-situ conservation ????b) In-vivo conservation ????c) Ex-situ conservation ????d)Ex-vivo conservation
???????????? 290 ???? ????In which Indian state is Corbet National park located (Answer : B)
???????? ???????? ???????????? a) Madya Pr adesh ????b) Uttar akhand ????c) Ker ala ????d)Tamilnadu
???????????? 291 ???? ????The first national park of Ker ala (Answer : D)
???????? ???????? ???????????? a) Ar alam ????b) Kottayam ????c) Idukki ????d)Ir avikulam
???????????? 292 ???? ????In which year was Pro ject Tiger launched? (Answer : A)
???????? ???????? ???????????? a) 1973 ????b) 1964 ????c) 1998 ????d)1970
???????????? 293 ???? ????Earth summit of Rio de Janeiro (1992) resulted in (Answer : C)
???????? ???????? ???????????? a) Compilation of Red list ????b) Establishment of biosphere reserves ????c) Conservation of biodiversity
????d)IUCN
???????????? 294 ???? ????Lions are f ound in (Answer : D)
???????? ???????? ???????????? a) Western Ghats ????b) Corbett National Park ????c) Forests of Madhya Pr adesh ????d)Gir f orests
???????????? 295 ???? ????National Park associated with rhinoceros is (Answer : A)
???????? ???????? ???????????? a) Kazir anga ????b) Ranthambore ????c) Corbett ????d)Valley of flowers
???????????? 296 ???? ????Some species of plants and animals are extremely r are and may occur only at a f ew locations are called
(Answer : B)
???????? ???????? ???????????? a) Endemic ????b) Endangered ????c) Vulner able ????d)Threatened
???????????? 297 ???? ????The only known breeding colony of the greater and lesser Flamingos in our country is seen in
???????.. desert. (Answer : A)
???????? ???????? ???????????? a) The Great Rann of Kutch ????b) The Thar ????c) Ladakh ????d)Atacama
???????????? 298 ???? ????The one-horned Rhinoceros is now restricted to which state? (Answer : C)
???????? ???????? ???????????? a) Mahar ashtr a ????b) Gujar at ????c) Assam ????d)Uttar Pr adesh
???????????? 299 ???? ????Asiatic lion is f ound only in _____ (Answer : A)
???????? ???????? ???????????? a) Gir Forest ????b) Manas ????c) Kasir anga ????d)Sundarbans
???????????? 300 ???? ????________ is a marine tortoise which shows the unique phenomenon ???arribada??? (Answer : A)
???????? ???????? ???????????? a) Olive Ridley ????b) Star T ortoise ????c) Tr avancore T ortoise ????d)b & c
???????????? 301 ???? ????Largest reptile in the world (Answer : B)
???????? ???????? ???????????? a) Dr agon ????b) Anaconda ????c) Crocodile ????d)Python
???????????? 302 ???? ????Snow leopard is f ound in which National Park? (Answer : B)
???????? ???????? ???????????? a) Kazir anga ????b) The Great Himalayan ????c) Bhar atpur ????d)Nagarhole
???????????? 303 ???? ????Point Calimere sanctuary is situated in which state? (Answer : A)
???????? ???????? ???????????? a) Tamilnadu ????b) Ker ala ????c) Karnataka ????d)Gujar at
???????????? 304 ???? ????The movement Beej Bachao Andolan was aimed f or the conservation of ________ (Answer : C)
???????? ???????? ???????????? a) Trees ????b) Shrubs ????c) Crops ????d)Coconut
???????????? 305 ???? ????In which year Silent Valley was declared as National Park? (Answer : C)
???????? ???????? ???????????? a) 1988 ????b) 1982 ????c) 1984 ????d)1981
???????????? 306 ???? ????The Red Data book which lists endangered species is maintained by (Answer : C)
???????? ???????? ???????????? a) UNO ????b) WHO ????c) IUCN ????d)WWF
???????????? 307 ???? ????First Biosphere reserve in India (Answer : A)
???????? ???????? ???????????? a) Nilgiri ????b) Agastyamala ????c) Er avikulam ????d)Chinnar
???????????? 308 ???? ????Flag ship species of Choolannur sanctuary (Answer : B)
???????? ???????? ???????????? a) Tiger ????b) Peacock ????c) Elephant ????d)Rhino
???????????? 309 ???? ????Which of the f ollowing is an extinct species? (Answer : C)
???????? ???????? ???????????? a) Tiger ????b) Lion ????c) Dodo ????d)Ostrich
???????????? 310 ???? ????________ is one of the most endangered species of Indian birds (Answer : D)
???????? ???????? ???????????? a) Bee eater ????b) Par adise fly catcher ????c) Owl ????d)The great Indian bustard
???????????? 311 ???? ????Many wild plant and animals are on the verge of extinction due to (Answer : A)
???????? ???????? ???????????? a) Habitat destruction ????b) Climatic changes ????c) Non availability of f ood ????d)None of the above
???????????? 312 ???? ????The most endangered ecosystem in India (Answer : B)
???????? ???????? ???????????? a) Shola f orest ecosystem ????b) Evergreen f orest ecosystem ????c) Pond ecosystem ????d)Tundr a
Ecosystem
???????????? 313 ???? ????Er avikulam National Park conserves (Answer : D)
???????? ???????? ???????????? a) Lion tailed macaque ????b) Tiger ????c) Elephant ????d)Nilgiri Tahr
???????????? 314 ???? ????First National Park in India (Answer : A)
???????? ???????? ???????????? a) Jim Corbert National Park ????b) Bandipur National Park ????c) Gir National Park ????d)Sunderbans
National Park
???????????? 315 ???? ????Agastyamalai Biosphere reserve is in (Answer : B)
???????? ???????? ???????????? a) Pathanamthitta ????b) Thiruvananthapur am ????c) Idukki ????d)Wayanad
???????????? 316 ???? ????What is meant by ex-situ conservation? (Answer : C)
???????? ???????? ???????????? a) Conservation of a species by protecting its habitat along with all other species living there. ????b)
Conservation of f orest eco system ????c) Conservation of a species outside its natur al habitat ????d)Conservation of
plants
???????????? 317 ???? ????The state which constituted green bench (Answer : B)
???????? ???????? ???????????? a) Ker ala ????b) Tamilnadu ????c) Assam ????d)Madhya Pr adesh
???????????? 318 ???? ????Name the endangered animal which is protected in Ra jamalai National park (Answer : C)
???????? ???????? ???????????? a) Chital ????b) Black buck ????c) Nilgiri Tahr ????d)None
???????????? 319 ???? ????Animals and plants are best protected in (Answer : C)
???????? ???????? ???????????? a) Zoos ????b) Botanical Gardens ????c) National Parks ????d)Sanctuaries
???????????? 320 ???? ????Worlds first Teak Forest was planted in 1842 in Ker ala. Identif y the place. (Answer : B)
???????? ???????? ???????????? a) Wayanad ????b) Nilambur ????c) Silent Valley ????d)Nelliyampathy
???????????? 321 ???? ????The Native Place of Redwood trees? (Answer : C)
???????? ???????? ???????????? a) Austr alia ????b) Amazon ????c) Calif ornia ????d)Thailand
???????????? 322 ???? ????Centre of Modern nuclear technology in India (Answer : C)
???????? ???????? ???????????? a) CRAS ????b) SARC ????c) BARC ????d)None of these
???????????? 323 ???? ????What is an Inciner ator? (Answer : A)
???????? ???????? ???????????? a) Furnace used f or burning solid waste ????b) Furnace used f or treating liquid waste ????c) Both a & b
????d)None of these
???????????? 324 ???? ????Photochemical smog is called (Answer : B)
???????? ???????? ???????????? a) T okyo smog ????b) London smog ????c) Los Angeles smog ????d)None
???????????? 325 ???? ????The combustion of waste in the absence of Oxygen is called (Answer : B)
???????? ???????? ???????????? a) Haemolysis ????b) Pyrolysis ????c) Hydrolysis ????d)None
???????????? 326 ???? ????The heating of earths atmosphere due to tr apped r adiation is known as (Answer : D)
???????? ???????? ???????????? a) Global warming ????b) Glass-House ef f ect ????c) Thermal ef f ect ????d)Green House Ef f ect
???????????? 327 ???? ????Thickness of plastic cover permissible to use (Answer : C)
???????? ???????? ???????????? a) 50 Microns ????b) 20 Microns ????c) 100 Microns ????d)10 Microns
???????????? 328 ???? ????A biodegr adable plastic developed by Biopak Corpor ation Austr alia (Answer : A)
a) Biopol ????b) Pet ????c) Polyester ????d)PVC
???????????? 329 ???? ????The Residential and Commercial wastes mainly consist of: (Answer : A)
???????? ???????? ???????????? a) Food wastes ????b) Card board ????c) Packaging materials ????d)None of these
???????????? 330 ???? ????Lead in water can cause (Answer : C)
???????? ???????? ???????????? a) Eye disease ????b) Arthritis ????c) Kidney damage ????d)Hair f alling
???????????? 331 ???? ????Colorless odorless and non corrosive air pollutant is (Answer : C)
???????? ???????? ???????????? a) Sulphur dioxide ????b) Carbon monoxide ????c) Carbon dioxide ????d)Ozone
???????????? 332 ???? ????Disease aggr avated by air pollution is (Answer : C)
???????? ???????? ???????????? a) Choler a ????b) Rheumatism ????c) Bronchitis ????d)Haemophilia
???????????? 333 ???? ????Which of the f ollowing type of pollution can cause the outbreak of Jaundice (Answer : C)
???????? ???????? ???????????? a) Air ????b) Thermal ????c) Water ????d)Land
???????????? 334 ???? ?????Ozone Hole? is a _____________ (Answer : B)
???????? ???????? ???????????? a) Hole in the atmosphere b ????b) Destruction of ozone layer c ????c) Hole in the hydrosphere d ????d)Hole
in the troposphere
???????????? 335 ???? ?????Plumbism? is the disorder develops in man when exposed to..... (Answer : A)
???????? ???????? ???????????? a) a) Lead ????b) b) Mercury ????c) c) Arsenic ????d)d) CO
???????????? 336 ???? ????A pollutant not released by exhaust of automobiles is.... (Answer : C)
???????? ???????? ???????????? a) a) SO 2 ????b) b) CO ????c) c) Fly Ash ????d)d) Hydrocarbon gases
???????????? 337 ???? ????Acid r ain contains (Answer : A)
???????? ???????? ???????????? a) Sulphuric acid b ????b) Hydrochloric acid c ????c) Oxalic acid d ????d)Acetic acid
???????????? 338 ???? ????An example of natur al pollutant is (Answer : D)
???????? ???????? ???????????? a) a) Forest fire ????b) b) Natur al Organic Decay ????c) c) Volcanic eruptions ????d)d) All of the above
???????????? 339 ???? ????An example of non-biodegr adable pollutant is (Answer : B)
???????? ???????? ???????????? a) a) Sewage ????b) b) Plastic ????c) c) Litter ????d)d) Vegetable waste
???????????? 340 ???? ????Birth r ate is called (Answer : C)
???????? ???????? ???????????? a) mortality b ????b) vital index c ????c) natality d ????d)viability
???????????? 341 ???? ????Bishnoi women is connected to (Answer : B)
???????? ???????? ???????????? a) Hindi Film ????b) b) Chipko movement ????c) c) Climate change ????d)d) Women rights
???????????? 342 ???? ????BOD is used f or the measurement of .... (Answer : C)
???????? ???????? ???????????? a) a) Atmospheric pollution ????b) b) Soil pollution ????c) c) Water pollution ????d)d) Nuclear pollution
???????????? 343 ???? ????Causative organisms of Malaria (Answer : C)
???????? ???????? ???????????? a) Bacteria b ????b) Fungus c ????c) Plasmodium d ????d)Virus
???????????? 344 ???? ????Component not released in the burning coal is... (Answer : D)
???????? ???????? ???????????? a) a) NO 2 ????b) b) SO 2 ????c) c) Fly Ash ????d)d) O 2
???????????? 345 ???? ????Death r ate of the population (Answer : A)
???????? ???????? ???????????? a) Mortality b ????b) Viability c ????c) Natality d ????d)Vitality
???????????? 346 ???? ????Ear muf fs or Cotton plugs are used to reduce pollution of..... (Answer : B)
???????? ???????? ???????????? a) a) Air ????b) b) Noise ????c) c) Thermal ????d)d) Nuclear
???????????? 347 ???? ????EIA is the (Answer : C)
???????? ???????? ???????????? a) a) Economic Inf ormation Awareness ????b) b) Environmental Inf ormation Awareness ????c) c)
Environmental Impact Assessment ????d)d) Environmental Impact Avoidance
???????????? 348 ???? ????El Nino (Answer : A)
???????? ???????? ???????????? a) a) a climate cycle in the Pacific Ocean impacting global weather patterns ????b) b) Cold current in the
Atlantic influencing South American weather ????c) c) An annual underwater phenomenon af f ecting global weather
????d)d) A sub-sahar an hot wind af f ecting global climate.
???????????? 349 ???? ????Environmental Protection Act was introduced in the year (Answer : A)
???????? ???????? ???????????? a) 1986 b ????b) 1988 c ????c) 1972 d ????d)1989
???????????? 350 ???? ????Example f or a bio-degr adable polymer is (Answer : C)
???????? ???????? ???????????? a) Polyethylene b ????b) Polypropylene c ????c) Poly lactic acid d ????d)Polyester
???????????? 351 ???? ????Exposure of human body to r adiation may cause... (Answer : D)
???????? ???????? ???????????? a) a) Polio ????b) b) Gastroenteritis ????c) c) Haemophilia ????d)d) Leukemia
???????????? 352 ???? ????Increased heart beat, constriction of blood vessels and dilation of pupil are symptoms of.... (Answer :
A)
???????? ???????? ???????????? a) a) Sound pollution ????b) b) Thermal pollution ????c) c) Air pollution ????d)d) Nuclear pollution
???????????? 353 ???? ????India Government passed the Air act in the year (Answer : B)
???????? ???????? ???????????? a) a) 1991 ????b) b) 1981 ????c) c) 1982 ????d)d) 2001
???????????? 354 ???? ????Inf ection of HIV is usually detected by which test (Answer : A)
???????? ???????? ???????????? a) Elisa test b ????b) Hybridization c ????c) Gr am staining d ????d)None
???????????? 355 ???? ????IPCC (Answer : C)
???????? ???????? ???????????? a) a) International Panel on Climate Change ????b) b) International Peace Conf erence f or Climate ????c) c)
Intergovernmental Panel on Climate Change ????d)d) Intercontinental Plans f or Continuous
???????????? 356 ???? ????Largest source of air pollution in cities are .... (Answer : C)
???????? ???????? ???????????? a) a) Industries ????b) b) Sewage ????c) c) Automobiles ????d)d) Tanneries
???????????? 357 ???? ????Leader of ?Narmada Bachao Andolan? (Answer : B)
???????? ???????? ???????????? a) Vandana Siva b ????b) Medha Patkar c ????c) Menaka Gandhi d ????d)Mayilamma
???????????? 358 ???? ????Minamata disease is due to... (Answer : A)
???????? ???????? ???????????? a) a) Mercury poisoning ????b) b) Lead poisoning ????c) c) Arsenic poisoning ????d)d) Cadmium poisoning
???????????? 359 ???? ????Mullaperiyar dam is in the district? (Answer : C)
???????? ???????? ???????????? a) Thrissur b ????b) Pathanamthitta c ????c) Idukki d ????d)Alappuzha.
???????????? 360 ???? ????National Maritime Day of India is celebr ated on ______________ (Answer : B)
???????? ???????? ???????????? a) October 16 b ????b) April 05 c ????c) March 21 d ????d)May 22
???????????? 361 ???? ????Natur al earthquakes are caused by __________ (Answer : A)
???????? ???????? ???????????? a) Earth?s crust b ????b) deep seas c ????c) peak mountains d ????d)f orests
???????????? 362 ???? ????Noise is _______________ (Answer : C)
???????? ???????? ???????????? a) Huge sound b ????b) Sound of vehicles c ????c) Undesir able and unwanted sound d ????d)Sound of
cr ackers
???????????? 363 ???? ????Of ficial date of Earth Day is on _________ (Answer : A)
???????? ???????? ???????????? a) April 22 b ????b) March 21 c ????c) May 22 d ????d)June 05
???????????? 364 ???? ????On which date was the Stockholm Conf erence on Human Environment held? (Answer : C)
???????? ???????? ???????????? a) July 6th 1974 b ????b) Aug 8th 1976 c ????c) June 5th 1972 d ????d)Dec 12th 1990
???????????? 365 ???? ????One third of the global cases of Tuberculosis is in (Answer : C)
???????? ???????? ???????????? a) Britain b ????b) Sweden c ????c) India d ????d)China
???????????? 366 ???? ????Organ af f ected by pneumonia (Answer : D)
???????? ???????? ???????????? a) Liver b ????b) Kidney c ????c) Heart d ????d)Lungs.
???????????? 367 ???? ????Ozone (Answer : A)
???????? ???????? ???????????? a) a) strong poisonous f orm of Oxygen with 3 atoms in a molecule ????b) b) A mix of various gases
f orming a protective cover ????c) c) Purest f orm of Oxygen which increases its supply on earth ????d)d) a strong and
protective compound from Oxygen and Hydrogen
???????????? 368 ???? ????Ozone in lower atmosphere is an example of ... (Answer : B)
???????? ???????? ???????????? a) a) Primary pollutant ????b) b) Secondary pollutant ????c) c) Tertiary pollutant ????d)d) Not a pollutant
???????????? 369 ???? ????Ozone layer is (Answer : A)
???????? ???????? ???????????? a) A) 20 ? 50 km above the surf ace of the earth ????b) B) 70 to 90 kms above the earth ????c) C) 30 ? 40
kms below the earth ????d)D) 20 ? 50 kms below the sea level.
???????????? 370 ???? ????Ozone layer is situated in which str ata of artmosphere? (Answer : B)
???????? ???????? ???????????? a) Thermosphere ????b) (b) str atosphere ????c) (c) ionosphere ????d)(d) mesosphere
???????????? 371 ???? ????Poisonous gas caused Bhopal gas tr agedy (Answer : A)
???????? ???????? ???????????? a) Methyl isocyanate ????b) (b) Ethyl isocyante ????c) (c) Methyl isocyanide ????d)(d) Ethyl isocyamide
???????????? 372 ???? ????Presence of E. coli in water is an indication of (Answer : A)
???????? ???????? ???????????? a) Fecal contamination (b ????b) Lead contamination (c ????c) Vir al contamination (d ????d)Mercury
contamination
???????????? 373 ???? ????Public awareness of environment creates ___________ (Answer : A)
???????? ???????? ???????????? a) Environment protection b ????b) Environment degr adation c ????c) Environmental improvement d
????d)Environmental cultivation
???????????? 374 ???? ????Public Health is not dependent on (Answer : C)
???????? ???????? ???????????? a) a) saf e drinking water ????b) b) suf ficient f ood ????c) c) competitive market conditions ????d)d) good
social conditions
???????????? 375 ???? ????Rain water harvesting is a ma jor method implemented f or_____________ (Answer : A)
???????? ???????? ???????????? a) Water Conservation b ????b) Soil Conservation c ????c) Forest conservation d ????d)Ecological
conservation
???????????? 376 ???? ????Salmonellosis is a disease related to consumption of (Answer : D)
???????? ???????? ???????????? a) Chicken b ????b) Eggs c ????c) Mutton d ????d)Fish
???????????? 377 ???? ????Soil pollution is caused by.... (Answer : D)
???????? ???????? ???????????? a) a) Industrial wastes ????b) b) Detergents ????c) c) Agrochemicals ????d)d) All of these
???????????? 378 ???? ????Some pollutants combine with hemoglobin and impede oxygen tr ansport. Such pollutants are...
(Answer : C)
???????? ???????? ???????????? a) a) SO 3 ????b) b) N2 O ????c) c) CO ????d)d) All of these
???????????? 379 ???? ????Spr aying of DDT to kill insects causes pollution of..... (Answer : D)
???????? ???????? ???????????? a) a) Air ????b) b) Water ????c) c) Soil ????d)d) All of these
???????????? 380 ???? ????Superbugs are (Answer : B)
???????? ???????? ???????????? a) Synthetic bug b ????b) Bacteria c ????c) Radio nucleotide d ????d)Industries
???????????? 381 ???? ????The 3 R principle in waste management involves (Answer : B)
???????? ???????? ???????????? a) Reduce, Regain, Reuse b ????b) Reduce, Reuse, Recycle c ????c) Reduce, Ref orm, Reset d ????d)Reduce,
Retain, Regain
???????????? 382 ???? ????The Anthr ax disease is caused by (Answer : B)
???????? ???????? ???????????? a) Virus b ????b) Bacteria c ????c) Protozoa d ????d)Helminthes
???????????? 383 ???? ????The chemical structure of Ozone is (Answer : B)
???????? ???????? ???????????? a) O 2 ????b) O3 ????c) O4 ????d)OZ3
???????????? 384 ???? ????The controversial dam across the river Narmada? (Answer : A)
???????? ???????? ???????????? a) Sardar Sarovar b ????b) Hir akud c ????c) Bhakr anangal d ????d)Sutlej.
???????????? 385 ???? ????The deadliest Tsunami in recorded history took place on (Answer : A)
???????? ???????? ???????????? a) 26-Dec-2004 b ????b) 26-Dec-2000 c ????c) 15-Nov-1990 d ????d)15-Dec-1999
???????????? 386 ???? ????The environmental stresses caused by urban individuals are expressed by (Answer : B)
???????? ???????? ???????????? a) Ecological pyr amid ????b) (b) Ecological f ootprint ????c) (c) Ecological indicators ????d)(d) Ecological index
???????????? 387 ???? ????The Expansion of SPCA (Answer : B)
???????? ???????? ???????????? a) Society f or the Protection of Common Animals b ????b) Society f or the Prevention of Cruelty to
Animals c ????c) Society f or the Prohibition of Cruelty to Animals d ????d)none
???????????? 388 ???? ????The expansion on PQLI is (Answer : A)
???????? ???????? ???????????? a) physical quality of lif e index b ????b) population quotient of lif e in India c ????c) poor quality of lif e in
India d ????d)poverty, quality of lif e in India
???????????? 389 ???? ????The f unction of ozone layer (Answer : C)
???????? ???????? ???????????? a) a) to prevent strong wind and r ains ????b) b) to f acilitate precipitation at lower levels ????c) c) to protect
earth from sun?s harmf ul ultr a-violet r adiation ????d)d) to increase the supply of oxygen
???????????? 390 ???? ????The historical monument that is af f ected by acid r ain is (Answer : A)
???????? ???????? ???????????? a) Ta j Mahal b ????b) Pyr amid of Egypt c ????c) Pisa T ower d ????d)Golden Temple
???????????? 391 ???? ????The intensity of earthquake is measured in ____________ (Answer : B)
???????? ???????? ???????????? a) Beauf ort scale b ????b) Richter scale c ????c) Mohs scale d ????d)Joules
???????????? 392 ???? ????The ma jor cause of depletion of ozone layer in the atmosphere is... (Answer : B)
???????? ???????? ???????????? a) a) Freon Gases ????b) b) CFC ????c) c) N 2 O ????d)d) CO 2
???????????? 393 ???? ????The ma jor reason why earth?s surf ace increases its temper ature is due to (Answer : C)
???????? ???????? ???????????? a) a) The earth?s surf ace is getting exposed ????b) b) The increase in the use of plastics ????c) c) About
75% of the solar energy reaching the earth surf ace is getting absorbed by earth ????d)The depleation of ozone
???????????? 394 ???? ????The method of simultaneous integr ation of trees with agricultur al crops is called (Answer : A)
???????? ???????? ???????????? a) Agro f orestry b ????b) Def orestation c ????c) Ref orestation d ????d)combined culture
???????????? 395 ???? ????The most widely f ound pollutant in the air is..... (Answer : A)
???????? ???????? ???????????? a) a) CO 2 ????b) b) CFC ????c) c) CO ????d)d) SO 2
???????????? 396 ???? ????The movement ?Pani Pan jayath? was initiated to conserve waters in the drought prone areas of
...................state. (Answer : C)
???????? ???????? ???????????? a) Tamilnadu b ????b) Ra jasthan c ????c) Mahar ashtr a d ????d)Karnataka
???????????? 397 ???? ????The nations threatened by submergence on account of global warming (Answer : D)
???????? ???????? ???????????? a) a) Pakistan and Afghanistan ????b) b) Ir an and Bangladesh ????c) c) Peru and West Indies ????d)d)
Bangladesh and Maldives
???????????? 398 ???? ????The pro jected rise in sea level in the near f uture (Answer : C)
???????? ???????? ???????????? a) a) 1.5 m ????b) b) 1.2 cm to 2.2 cm ????c) c) 9 cm to 88 cm ????d)d) 10 cm to 20 cm
???????????? 399 ???? ????The pro jected rise in temper ature in the next f ew decades (Answer : B)
???????? ???????? ???????????? a) a) 1.5 to 2 O C ????b) b) 1.4 to 5.8 O C ????c) c) 2.5 to 3.9 O C ????d)d) 1.5 to 9.2 O C
???????????? 400 ???? ????The R?s in 3Rs Principle stand f or; (Answer : B)
???????? ???????? ???????????? a) a) Reduce, Readiness, Redo ????b) b) Reduce, Reuse, Recycle ????c) c) Reclaim, Remedy,
Remembr ance ????d)d) Reduce, Register, Redo
???????????? 401 ???? ????The term ?Nuclear winter? is associated with (Answer : D)
???????? ???????? ???????????? a) Nuclear War b ????b) Nuclear disarmament c ????c) Nuclear weapon testing d ????d)After ef f ect of a
nuclear explosion
???????????? 402 ???? ????The word Tsunami is derived from two Japanese words (Answer : B)
???????? ???????? ???????????? a) tsu(big) and nami(flow) ????b) tsu(harbour) and nami(wave) ????c) tsu(big wave) and nami(wave)
????d)None of these
???????????? 403 ???? ????The World Wetlands Day is celebr ated on ________ (Answer : A)
???????? ???????? ???????????? a) February 02 b ????b) February 28 c ????c) June 05 d ????d)March 21
???????????? 404 ???? ????T orrey Canyon is f amous f or (Answer : D)
???????? ???????? ???????????? a) Gulf of War b ????b) Industries c ????c) Electric Potential d ????d)Oil spillage
???????????? 405 ???? ????Utilisation of natur al resources in moder ate manner to remaining something f or the next gener ation is
termed as (Answer : B)
???????? ???????? ???????????? a) a) Resettlement ????b) b) Sustainable development ????c) c) Rehabilitation ????d)d) Mutual development
???????????? 406 ???? ????Vermi-composting is a natur al method of (Answer : A)
???????? ???????? ???????????? a) Producing compost manure b ????b) Producing worms c ????c) Managing waste it creates d
????d)Destroying worms
???????????? 407 ???? ????Water pollution is caused by.... (Answer : B)
???????? ???????? ???????????? a) a) CO ????b) b) Fertilizers ????c) c) PAN ????d)d) Fossil f uels
???????????? 408 ???? ????What are the chemicals that lead to acid r ain? (Answer : B)
???????? ???????? ???????????? a) A) hydrogen peroxide ????b) B) sulf ur dioxide & nitrogen oxide ????c) C) Carbon dioxide ????d)D)
Ammonium phosphate & various silicates.
???????????? 409 ???? ????What causes acid r ain? (Answer : B)
???????? ???????? ???????????? a) A) open def ecation ????b) B) burning of f ossil f uels ????c) C) increase spread of paddy fields ????d)D)
the use of cowdung.
???????????? 410 ???? ????What is ?Black Lung?? (Answer : A)
???????? ???????? ???????????? a) Occupational Hazard to the miners b ????b) Occupational Hazard to navigators c ????c) Occupational
Hazard to pesticide applicators. d ????d)None of these
???????????? 411 ???? ????What is ?tempor ary threshold shift?? (Answer : A)
???????? ???????? ???????????? a) Hearing loss due to excessive noise b ????b) Noise that is untoler able c ????c) T oler able noise d
????d)inaudible noise
???????????? 412 ???? ????What is Bagasse? What is it used f or? (Answer : A)
???????? ???????? ???????????? a) Sugar cane waste ? to make paper b ????b) Biogas ? used as f uel c ????c) Liquid waste ? as f ertilizer d
????d)Vermi compost ? as f ertilizer
???????????? 413 ???? ????What is Carcinogen? (Answer : C)
???????? ???????? ???????????? a) Drugs f or curing inf ectious disease b ????b) Drugs used f or curing cancer c ????c) Cancer causing
agent d ????d)Food colour ants
???????????? 414 ???? ????What is GIS? (Answer : A)
???????? ???????? ???????????? a) Geogr aphical Inf ormation System (b ????b) Geological Inf ormation System (c ????c) Geogr aphical Index
System (d ????d)Geogr aphical Inf ormation Status
???????????? 415 ???? ????What is meant by GM f oods? (Answer : B)
???????? ???????? ???????????? a) Growth modified f oods b ????b) Genetically modified f ood c ????c) Growth marked f oods d ????d)Good
mobility f ood
???????????? 416 ???? ????What is the aver age increase in temper ature over last century? (Answer : D)
???????? ???????? ???????????? a) a) 0.6 ????b) b) 0.2 ????c) c) 0.7 ????d)d) 0.8
???????????? 417 ???? ????Where was the Stockholm conf erence on Human Environment held? (Answer : A)
???????? ???????? ???????????? a) Sweden b ????b) Austria c ????c) India d ????d)Greece
???????????? 418 ???? ????Which among the f ollowing is a water borne disease? (Answer : A)
???????? ???????? ???????????? a) Choler a ????b) (b) Tuberculosis ????c) (c) AIDS ????d)(d) Dermatitis
???????????? 419 ???? ????Which blood cells get af f ected by HIV? (Answer : B)
???????? ???????? ???????????? a) RBC ????b) (b) Lymphocytes ????c) (c) Monocytes ????d)(d) Basophil
???????????? 420 ???? ????Which group of mosquitoes are the vectors of malaria? (Answer : C)
???????? ???????? ???????????? a) Culex ????b) (b) Aedes ????c) (c) Anopheles ????d)(d)Mansonia
???????????? 421 ???? ????Which heavy metal is the cause f or black f oot disease? (Answer : B)
???????? ???????? ???????????? a) Cadmium ????b) (b) Arsenic ????c) (c) Mercury ????d)(d) Lead
???????????? 422 ???? ????Which is the first state in India that enf orced a ban to the manuf acture and use of plastics (Answer :
C)
???????? ???????? ???????????? a) Ker ala ????b) West Bangal ????c) Uttarpr adesh ????d)Delhi
???????????? 423 ???? ????Which is the warmest year on record? (Answer : D)
???????? ???????? ???????????? a) a) 1998 ????b) b) 2010 ????c) c) 2015 ????d)d) 2016
???????????? 424 ???? ????Which of the f ollowing is considered a nuclear disaster ? (Answer : D)
???????? ???????? ???????????? a) a) Bhopal Tr agedy of 1984 ????b) b) Chernobyl USSR ????c) c) Three mile incident ????d)d) both b & c
???????????? 425 ???? ????Which one is an example f or megacity in India? (Answer : B)
???????? ???????? ???????????? a) Kochi ????b) (b) Mumbai ????c) (c) Bangalore ????d)(d) Madr as359.
???????????? 426 ???? ????Which one is the permanent sterilization method used f or f emales? (Answer : A)
???????? ???????? ???????????? a) Tubectomy ????b) (b) Vasectomy ????c) (c) Microtomy ????d)(d) Contr aceptive pills
???????????? 427 ???? ????Which state proposed a ban on all types of polythene packing f or the first time in India? (Answer : A)
???????? ???????? ???????????? a) Himachal Pr adesh b ????b) Madhya Pr adesh c ????c) Ker ala d ????d)Karnataka
???????????? 428 ???? ????Which year was declared as the ?Water Year? by Indian government (Answer : C)
???????? ???????? ???????????? a) 2010 b ????b) 2004 c ????c) 2007 d ????d)2000
???????????? 429 ???? ????Who coined the slogan of ?Chipko Movement ? Ecology is Permanent economy (Answer : C)
???????? ???????? ???????????? a) Jawaharlal Nehru b ????b) Salim Ali c ????c) Sunderlal Bahuguna d ????d)Rachel Carson
???????????? 430 ???? ????Who had stated in the Stockholm Conf erence in 1972 that poverty was the greatest polluter? (Answer :
A)
???????? ???????? ???????????? a) Indir a Gandhi b ????b) Mahatma Gandhi c ????c) Ra jiv Gandhi d ????d)Jawaharlal Nehru
???????????? 431 ???? ????Wild lif e protection act was f ormulated during the period of ______ (Answer : A)
???????? ???????? ???????????? a) Mrs. Indir a Gandhi b ????b) Lal Bahadur Shasthri c ????c) Ra jiv Gandhi d ????d)Mor ar ji Desai
???????????? 432 ???? ????With the signing of ---------------------- in 1987, a treaty f or the protection (Answer : D)
???????? ???????? ???????????? a) of ozone layer, the use of -------------- was to be banned by the year ............. ????b) a) Kyoto Protocol,
f ossil f uels, 2010 b) GATT, opium, 2000 ????c) c) BOLT, Ammonia, 2000 ????d)d) Montreal Protocol, CFCs, 2000
???????????? 433 ???? ????World Earth Day is observed on (Answer : D)
???????? ???????? ???????????? a) May 24 b ????b) July 5 c ????c) Aug 2 d ????d)April 22
???????????? 434 ???? ????World environment day is observed every year marks the anniversary of (Answer : B)
???????? ???????? ???????????? a) a) Ramsar Convention-1971 ????b) b) Stockholm conf erence-1972 ????c) c) Rio de Janerio Earth
Summit-1992 ????d)d) Indian Forest Conservation Act -1982
???????????? 435 ???? ????World Water Day is celebr ated on ___________ (Answer : C)
???????? ???????? ???????????? a) May 22 b ????b) June 05 c ????c) March 22 d ????d)May 11
???????????? 436 ???? ????Expand GIS (Answer : A)
???????? ???????? ???????????? a) Geogr aphical Inf ormation System ????b) Geogr aphical Inf ormation Source ????c) Geological
Inf ormation System ????d)Geological Index System
???????????? 437 ???? ????MoEF means (Answer : B)
???????? ???????? ???????????? a) Ministry of Forest and Energy ????b) Ministry of Environment and Forests ????c) Ministry of Fuel and
Energy ????d)Management of Environment and Forestry
???????????? 438 ???? ????Ozone layer is present in (Answer : B)
???????? ???????? ???????????? a) Troposphere ????b) Str atosphere ????c) Mesosphere ????d)Ionosphere
???????????? 439 ???? ????Sedimentation is a (Answer : A)
???????? ???????? ???????????? a) Primary water treatment ????b) Secondary water treatment ????c) Tertiary water treatment ????d)None
of these
???????????? 440 ???? ????Rain during November is more acidic than monsoon r ain due to (Answer : B)
???????? ???????? ???????????? a) Dissolved CO2 ????b) Dissolved SO2 ????c) Dissolved NO2 ????d)None of the above.
???????????? 441 ???? ????Which chemical was responsible f or Bhopal gas tr agedy? (Answer : A)
???????? ???????? ???????????? a) Methyl iso Cyanate ????b) Benzene Hexa Chloride ????c) Tri Nitro T oluene ????d)B & C
???????????? 442 ???? ????Ganga Action Plan in India was launched in the year _________ (Answer : B)
???????? ???????? ???????????? a) 1988 ????b) 1985 ????c) 1980 ????d)1978
???????????? 443 ???? ????What is the name of the action plan f or sustainable development in the Twenty first century fr amed
in the Rio Declar ation on Environment & Development (1992)? (Answer : B)
???????? ???????? ???????????? a) Action 21 ????b) Agenda 21 ????c) Rio 21 ????d)Declar ation 21
???????????? 444 ???? ????The unit of measurement of intensity of sound is in _________ (Answer : A)
???????? ???????? ???????????? a) Decibels ????b) Lux ????c) Parsec ????d)Candela
???????????? 445 ???? ????Enrichment of water body by nutrients like phosphorus and nitrogen called ____________________
(Answer : B)
???????? ???????? ???????????? a) Succession ????b) Eutrophication ????c) Str atification ????d)Climax Vegetation
???????????? 446 ???? ????The worst nuclear accident happened to date is occurred at ___________ (Answer : A)
???????? ???????? ???????????? a) Chernobyl in 1986 ????b) Three Mile Power Plant in 1979 ????c) Sellafield in 1957 ????d)Fukushima in 2011
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???????????? 12 ???? ????World Environment Day (Answer : A)
???????? ???????? ???????????? a) 5th June ????b) 5th July ????c) 5th August ????d)5th September
???????????? 13 ???? ????The biggest award f or environmental activities in India is given in the name of an individual. In whose
name is it constituted? (Answer : C)
???????? ???????? ???????????? a) Lal Bahadur Shasthri ????b) Mor ar ji Desai ????c) Indir a Gandhi ????d)Kamar a j.
???????????? 14 ???? ????All f orms of water that comes down on Earth, including r ain, snow, hail etc. is known as _____________
(Answer : C)
???????? ???????? ???????????? a) Calcification ????b) Fixation ????c) Precipitation ????d)Accumulation
???????????? 15 ???? ????The ocean covers ________ percentage of Earth?s surf ace. (Answer : C)
???????? ???????? ???????????? a) 515 ????b) 0.61 ????c) 0.71 ????d)0.91
???????????? 16 ???? ????The portion of the earth and its environment which can support lif e is known as _________ (Answer : B)
???????? ???????? ???????????? a) Crust ????b) Biosphere ????c) Exosphere ????d)Atmosphere
???????????? 17 ???? ????What is troposphere? (Answer : C)
???????? ???????? ???????????? a) Portion of air ????b) Portion of water ????c) Lowest layer of atmosphere where we survive
????d)Portion of sky
???????????? 18 ???? ????The main energy source f or the environment is ________ (Answer : A)
???????? ???????? ???????????? a) Solar energy ????b) Chemical energy ????c) Bioelectric energy ????d)Electrical energy
???????????? 19 ???? ????What is UNCED? (Answer : C)
???????? ???????? ???????????? a) United Nations Conf erence on Education ????b) United Nations Conf erence on Environmental Day
????c) United Nations Conf erence on Environment and Development ????d)None of these.
???????????? 20 ???? ????Atmospheric humidity is measured by (Answer : C)
???????? ???????? ???????????? a) Auxanometer ????b) Photometer ????c) Hygrometer ????d)None
???????????? 21 ???? ????The area to which a species is biologically adapted to live is known (Answer : B)
???????? ???????? ???????????? a) Niche ????b) Habitat ????c) Succession ????d)Community
???????????? 22 ???? ????Study of inter-relationship between organisms and their environment is called (Answer : A)
???????? ???????? ???????????? a) Ecology ????b) Ecosystem ????c) Phytogeogr aphy ????d)Ethology
???????????? 23 ???? ????The term Ecology was coined by (Answer : B)
???????? ???????? ???????????? a) A.G.Tansley ????b) Earnst Haeckel ????c) Aristotle ????d)Linnaeus
???????????? 24 ???? ????An example of an abiotic component (Answer : B)
???????? ???????? ???????????? a) Plants ????b) Soil ????c) Animals ????d)Bacteria
???????????? 25 ???? ????The area to which a species is biologically adapted to live is known (Answer : B)
???????? ???????? ???????????? a) Niche ????b) Habitat ????c) Succession ????d)Community
???????????? 26 ???? ????The objective of environmental education is (Answer : D)
???????? ???????? ???????????? a) Raise consciousness about environmental education ????b) T o teach environmentally appropriate
behaviour ????c) Create an environmental ethic that f osters awareness about ecological inter-dependence of economics,
social and political ????d)All of the above
???????????? 27 ???? ????Which of the f ollowing is not influenced by human activities? (Answer : A)
???????? ???????? ???????????? a) Depletion of ground water ????b) Destruction of mangroves and wetlands ????c) Increased extinction
r ate of species ????d)None of the above
???????????? 28 ???? ????Environmental education is important only at (Answer : D)
???????? ???????? ???????????? a) Primary school stage ????b) Secondary school stage ????c) Collage stage ????d)All stages
???????????? 29 ???? ????Which of the f ollowing conceptual components of the environment are ef f ective tr ansporters of
matter? (Answer : A)
???????? ???????? ???????????? a) Atmosphere and hydrosphere ????b) (b) Atmosphere and lithosphere ????c) (c) Hydrosphere and
lithosphere ????d)(d) Lithosphere and biosphere
???????????? 30 ???? ????Biosphere is (Answer : B)
???????? ???????? ???????????? a) (a) The solid shell of inorganic materials on the surf ace of the Earth ????b) (b) The thin shell of
organic matter on the surf ace of earth comprising of all the living things ????c) (c) The sphere which occupies the
maximum volume of all the spheres ????d)(d) All of the above
???????????? 31 ???? ????Which of the f ollowing conceptual sphere of the environment is having the least stor age capacity f or
matter? (Answer : A)
???????? ???????? ???????????? a) (a) Atmosphere ????b) (b) Lithosphere ????c) (c) Hydrosphere ????d)(d) Biosphere
???????????? 32 ???? ????Which of the f ollowing is an example of impact of development activities on the Hydrosphere? (Answer
: D)
???????? ???????? ???????????? a) (a) Air pollution ????b) (b) Soil pollution ????c) (c) Soil erosion ????d)(d) Water pollution
???????????? 33 ???? ????Weather occurs in the Earths: (Answer : A)
???????? ???????? ???????????? a) (a) Troposhere ????b) (b) Mesophere ????c) (c) Ionosphere ????d)(d) Thermosphere
???????????? 34 ???? ????Biosphere is a term used to represent the: (Answer : C)
???????? ???????? ???????????? a) (a) Entire atmosphere consisting of troposphere, str atosphere, mesosphere, and thermosphere
????b) (b) Entire hydrosphere-representing the entire collection of water over the Earth as well as inside the Earth ????c) (c)
A small zone of Earth, where the lithosphere, hydrosphere, and atmosphere come in contact with one another ????d)(d)
Entire lithosphere-representing the solid Earth and its interior
???????????? 35 ???? ????The term ecology was introduced by: (Answer : A)
???????? ???????? ???????????? a) (a) Haeckel ????b) (b) Odum ????c) (c) Tansely ????d)(d) Ramdeo Mishr a
???????????? 36 ???? ????The study of inter actions between living and non-living organisms and environment is called (Answer :
B)
???????? ???????? ???????????? a) (a) Ecosystem ????b) (b) Ecology ????c) (c) Phyto-geogr aphy ????d)(d) Phytosociology
???????????? 37 ???? ????An ecosystem consist of (Answer : D)
???????? ???????? ???????????? a) (a) Green plants and animals ????b) (b) Green plants and decomposers ????c) (c) Producers and
consumers ????d)(d) Green plants, animals, decomposers and abiotic environment
???????????? 38 ???? ????The environment which has been modified by human activities is called (Answer : B)
???????? ???????? ???????????? a) (a) Natur al environment ????b) (b) Anthropogenic environment ????c) (c) Modem environment ????d)(d)
Urban environment
???????????? 39 ???? ????Which of the f ollowing statements is not true? (Answer : C)
???????? ???????? ???????????? a) (a) Inorganic nutrients are recycled in an ecosystem ????b) (b) Energy flows through the ecosystem
in the f orm of C-C bonds ????c) (c) Energy is recycled in an ecosystem ????d)(d) Respir ation process releases energy
???????????? 40 ???? ????Driving f orce in an ecosystem is (Answer : C)
???????? ???????? ???????????? a) (a) Plants ????b) (b) Producers ????c) (c) Solar energy ????d)(d) Biomass energy
???????????? 41 ???? ????Physical and chemical components of an ecosystem constitute (Answer : C)
???????? ???????? ???????????? a) (a) Biotic structure ????b) (b) Abioltic structure ????c) (c) Both of these ????d)(d) None of these
???????????? 42 ???? ????Which one of the f ollowing is an abiotic component of the ecosystem? (Answer : C)
???????? ???????? ???????????? a) (a) Bacteria ????b) (b) Plants ????c) (c) Humus ????d)(d) Fungi
???????????? 43 ???? ????Which of the f ollowing is a possible producer in an ecosystem? (Answer : A)
???????? ???????? ???????????? a) (a) Plants ????b) (b) Animals ????c) (c) Human beings ????d)(d) Fish
???????????? 44 ???? ????The organisms which f eed on dead organisms and excreta of living organisms are known (Answer : A)
???????? ???????? ???????????? a) (a) Decomposers ????b) (b) Consumers ????c) (c) Producers ????d)(d) Carnivores
???????????? 45 ???? ????A trophic level ref ers to: (Answer : C)
???????? ???????? ???????????? a) (a) Area in the tropics ????b) (b) An organism?s portion in a f ood chain ????c) (c) An organism?s
position in an ecosystem ????d)(d) An organism?s position in a biome
???????????? 46 ???? ????In a f ood chain animals constitute the: (Answer : C)
???????? ???????? ???????????? a) (a) First trophic level ????b) (b) Second trophic level ????c) (c) Intermediate trophic level ????d)(d)
Ultimate trophic level
???????????? 47 ???? ????The f ood chain in which microorganisms breakdown dead producers is called: (Answer : D)
???????? ???????? ???????????? a) (a) Consumer f ood chain ????b) (b) Predator f ood chain ????c) (c) Par asitic f ood chain ????d)(d) Detritus
f ood chain
???????????? 48 ???? ????Food chain starts with (Answer : A)
???????? ???????? ???????????? a) (a) Producer ????b) (b) Herbivores ????c) (c) Carnivores ????d)(d) Omnivores
???????????? 49 ???? ????In a f ood chain, humans are (Answer : D)
???????? ???????? ???????????? a) (a) Secondary consumers ????b) (b) Primary consumer ????c) (c) Producers ????d)(d) Primary and
secondary consumers both
???????????? 50 ???? ????Which one is the correct f ood chain? (Answer : A)
???????? ???????? ???????????? a) (a) Phytoplankton ?? Zooplankton ?? Fish ????b) (b) Zooplankton ?? Phytoplankton ?? Fish ????c)
(c) Zooplankton ?? Protozoans ?? Fish ????d)(d) Gr ass ?? Fish ?? Zooplankton
???????????? 51 ???? ????A f ood web consists of (Answer : A)
???????? ???????? ???????????? a) (a) Interlocking f ood chains ????b) (b) Producers, consumers and decomposers ????c) (c) A portion of
a f ood chain ????d)(d) A set of similar consumers
???????????? 52 ???? ????Food webs are (Answer : C)
???????? ???????? ???????????? a) (a) One kind of f ood ????b) (b) Not related to f ood chains at all ????c) (c) Inter-connected arr angement
of f ood chains ????d)(d) Linear arr angement of f ood chains
???????????? 53 ???? ????Pyr amid of number is given by (Answer : C)
???????? ???????? ???????????? a) (a) Haeckel ????b) (b) Odum ????c) (c) Elton ????d)(d) Tansely
???????????? 54 ???? ????Which ecological pyr amid is always upright? (Answer : C)
???????? ???????? ???????????? a) (a) Pyr amid of number ????b) (b) Pyr amid of biomass ????c) (c) Pyr amid of energy ????d)(d) Pyr amid of
number and biomass
???????????? 55 ???? ????An ecological pyr amid ref ers to the (Answer : D)
???????? ???????? ???????????? a) (a) Pyr amid of energy ????b) (b) Pyr amid of number ????c) (c) Pyr amid of biomass ????d)(d) All of the
above
???????????? 56 ???? ????An ecosystem may not undergo changes because: (Answer : A)
???????? ???????? ???????????? a) (a) It is in a state of homeostasis ????b) (b) It has plants and animals both ????c) (c) It gets solar
energy continuously ????d)(d) The decomposers are present in it
???????????? 57 ???? ????Energy flow in an ecosystem is always: (Answer : A)
???????? ???????? ???????????? a) (a) Unidirectional ????b) (b) Cyclic ????c) (c) Reversible ????d)(d) Multi-directional
???????????? 58 ???? ????The primary producers in a f orest ecosystem are: (Answer : A)
???????? ???????? ???????????? a) (a) Chlorophyll containing trees and plants ????b) (b) Herbivores ????c) (c) Carnivores ????d)(d) Bacteria
and other micro-organism
???????????? 59 ???? ????The desert among the f ollowing which is not a cold desert is: (Answer : D)
???????? ???????? ???????????? a) (a) Golbi desert ????b) (b) Patagonian desert ????c) (c) Atacama desert ????d)(d) Ma java desert
???????????? 60 ???? ????The darker zone in lakes where light penetr ation is negligible is called the: (Answer : D)
???????? ???????? ???????????? a) (a) Euphotic zone ????b) (b) Littor al zone ????c) (c) Limnetic zone ????d)(d) Benthic zone
???????????? 61 ???? ????The zone of a sea lying over the continental shelf is known as the: (Answer : B)
???????? ???????? ???????????? a) (a) Bathyl zone ????b) (b) Neritic zone ????c) (c) Abyssal zone ????d)(d) Littor al zone
???????????? 62 ???? ????Which one of the f ollowing is not a fresh water biome? (Answer : A)
???????? ???????? ???????????? a) (a) Lotic ????b) (b) Lentic ????c) (c) Spings ????d)(d) Deep sea
???????????? 63 ???? ????Tendency of pollutants to become concentr ated in successive trophic levels is known as: (Answer : A)
???????? ???????? ???????????? a) (a) Biomagnification ????b) (b) Biorhythm ????c) (c) Bioremediation ????d)(d) Biopir acy
???????????? 64 ???? ????Eutrophication is: (Answer : B)
???????? ???????? ???????????? a) (a) An improved water quality status of lakes ????b) (b) The result of accumulation of plant nutrients
in water bodies ????c) (c) A process in the carbon cycle ????d)(d) A water purification technique
???????????? 65 ???? ????Increase in f auna and decrease in flor a would be harmf ul due to increase in: (Answer : B)
???????? ???????? ???????????? a) (a) Diseases ????b) (b) CO ????c) (c) O2 ????d)(d) Radioactive pollution
???????????? 66 ???? ????The largest reservoir of nitrogen an our planet is: (Answer : B)
???????? ???????? ???????????? a) (a) Ocean ????b) (b) Atmosphere ????c) (c) Biosphere ????d)(d) Fossil f uels
???????????? 67 ???? ????Overgr azing results in: (Answer : A)
???????? ???????? ???????????? a) (a) Soil erosion ????b) (b) Retention of usef ul species ????c) (c) Productive soils ????d)(d) All of the
above
???????????? 68 ???? ????In the world, the economy of the India is: (Answer : D)
???????? ???????? ???????????? a) (a) Largest ????b) (b) Third largest ????c) (c) Second largest ????d)(d) Fourth largest
???????????? 69 ???? ????In services output, India is: (Answer : C)
???????? ???????? ???????????? a) 10 ????b) 12 ????c) 15 ????d)4
???????????? 70 ???? ?????Smog? is a mixture of (Answer : A)
???????? ???????? ???????????? a) a) Smoke and Fog ????b) (b) Snow and Fog ????c) ( c) Snow and Dust ????d)(d) Sulphur Dioxide and
Fog
???????????? 71 ???? ????A liquid f uel that was f ormed from the ancient remains of sea plants and animals is (Answer : B)
???????? ???????? ???????????? a) Natur al gasb ????b) Petroleumc ????c) Geothermal energyd ????d)Coal
???????????? 72 ???? ????A poisonous gas given out of vehicles exhaust is (Answer : A)
a) Carbon monoxideb ????b) Ethanec ????c) Methaned ????d)Carbon dioxide
???????????? 73 ???? ????A product of photosynthesis is (Answer : C)
???????? ???????? ???????????? a) Carbon dioxideb ????b) Waterc ????c) Oxygend ????d)Chlorophyll
???????????? 74 ???? ????Atmosphere consists of 79 percent Nitrogen and 21 percent Oxygen by (Answer : B)
???????? ???????? ???????????? a) Volumeb ????b) Weightc ????c) Densityd ????d)All of these
???????????? 75 ???? ????Biogas contains mainly (Answer : B)
???????? ???????? ???????????? a) Carbon dioxideb ????b) Methanec ????c) Butaned ????d)Propane
???????????? 76 ???? ????Carbon dioxide constitutes about 0.03% of the atmosphere (Answer : A)
???????? ???????? ???????????? a) By volume(b ????b) By weight(c ????c) By mass(d ????d)None of these
???????????? 77 ???? ????Development activities on the hydrosphere cause (Answer : C)
???????? ???????? ???????????? a) Air pollutionb ????b) Soil pollutionc ????c) Water pollutiond ????d)Soil erosion
???????????? 78 ???? ????Energy flow in an ecosystem is (Answer : C)
???????? ???????? ???????????? a) Bidirectionalb ????b) Unidirectionalc ????c) Multidirectionald ????d)All rounds
???????????? 79 ???? ????Energy from the heat inside the earth is (Answer : B)
???????? ???????? ???????????? a) a Natur al gas ????b) Geothermalc ????c) Petroleumd ????d)Terr athermal
???????????? 80 ???? ????Energy in the r ays from the sun is called (Answer : A)
???????? ???????? ???????????? a) Solar energyb ????b) Wind energyc ????c) Tidal energyd ????d)Water energy
???????????? 81 ???? ????Environment is the lif e support system that includes (Answer : D)
???????? ???????? ???????????? a) Airb ????b) Waterc ????c) Landd ????d)All of the above
???????????? 82 ???? ????Extensive planting of trees to increase cover is called (Answer : A)
???????? ???????? ???????????? a) Af f orestation(b ????b) Agrof orestation(c ????c) Def orestation(d ????d)Social f orestry
???????????? 83 ???? ????Extensive planting of trees to increase f orest cover is called (Answer : A)
???????? ???????? ???????????? a) Af f orestation, b ????b) Agrof orestry, c ????c) Def orestation, d ????d)Social f orestry
???????????? 84 ???? ????Forest and wild lif e are (Answer : A)
???????? ???????? ???????????? a) Renewable resource(b ????b) Non-renewable resources (c ????c) Inexhaustible resources (d ????d)None
of these
???????????? 85 ???? ????Forests prevent soil erosion by binding soil particles in their (Answer : B)
???????? ???????? ???????????? a) Leaves(b ????b) Roots(c ????c) Buds(d ????d)Stems
???????????? 86 ???? ????Formation of hole in Ozone is maximum over (Answer : C)
???????? ???????? ???????????? a) Indiab ????b) Europec ????c) Antarcticad ????d)Africa
???????????? 87 ???? ????Fossil f uel and metallic miner als are: (Answer : C)
???????? ???????? ???????????? a) Renewable resource (b ????b) Inexhaustible resources (c ????c) Non-renewable resources (d ????d)None
of these
???????????? 88 ???? ????Green house ef f ect is linked to (Answer : C)
???????? ???????? ???????????? a) Nitrogen oxidesb ????b) Sulphur dioxidesc ????c) Carbon dioxidesd ????d)Carbon monoxides
???????????? 89 ???? ????In our country the percentage of land under f orest is about: (Answer : B)
???????? ???????? ???????????? a) 20%(b ????b) 19%(c ????c) 25%(d ????d)30%
???????????? 90 ???? ????In respect of water crisis, there have been conflicts/disputes between two countries, or states of the
same country. Which of the f ollowing has never been the case of water conflict? (Answer : D)
???????? ???????? ???????????? a) Cauvery water dispute between Tamil Nadu and Karnataka (b ????b) Yamuna-Betwa dispute between
U.P. and M.P. (c ????c) Sutlej Yamuna Link (SYL ????d)canal dispute between Pun jab and Haryana (d
???????????? 91 ???? ????Instrumentation technology used to locate suitable places f or mining (Answer : C)
???????? ???????? ???????????? a) a) Microscope ????b) b) Salinometer ????c) c) GIS ????d)d) camer a tr ap
???????????? 92 ???? ????Kaveri water dispute is in between: (Answer : D)
???????? ???????? ???????????? a) India and Pakistan (b ????b) Pun jab and Haryana (c ????c) Uttar Pr adesh and Madhya Pr adesh (d
????d)Karnataka and Tamil Nadu
???????????? 93 ???? ????Khetri (Ra jasthan) is f amous f or: (Answer : B)
???????? ???????? ???????????? a) Coal mines(b ????b) Copper mines(c ????c) Gr anite stone(d ????d)Marble stone
???????????? 94 ???? ????Main source of acid r ain is (Answer : A)
???????? ???????? ???????????? a) Sulphur dioxideb ????b) Nitrogenc ????c) Carbon dioxided ????d)Carbon monoxide
???????????? 95 ???? ????Ma jor consumer of wood from f orest is ___________ (Answer : B)
???????? ???????? ???????????? a) Thermal Power Plant ????b) Paper Industry ????c) Chemistry Industry ????d)none
???????????? 96 ???? ????Moisture in the air is known as (Answer : D)
???????? ???????? ???????????? a) a) Water ????b) (b) Fog ????c) ( c) Snow ????d)(d) Humidity
???????????? 97 ???? ????Name the country which virtually closed cod fishery in the 1990?s due to depletion of fish reserves
(Answer : A)
???????? ???????? ???????????? a) a) Canada ????b) b) Argentina ????c) c) Italy ????d)d) India
???????????? 98 ???? ????Name the financial agency which hesistate to support the Sardar Sarovar Pro ject in India in 1993 a result
of the demands of local people threatened with the loss of their livelihoods and homes in the submergence area.
(Answer : B)
???????? ???????? ???????????? a) a) Swiss bank ????b) b) World Bank ????c) c) Bank of India ????d)d) International Monetary Fund
???????????? 99 ???? ????Nitrogen constitutes about 78% of the atmosphere (Answer : C)
???????? ???????? ???????????? a) By weight(b ????b) By mass(c ????c) By volume(d ????d)None of these
???????????? 100 ???? ????Noise is measured by sound meter and the unit is (Answer : C)
???????? ???????? ???????????? a) Hertzb ????b) Joulec ????c) Decibeld ????d)Seconds
???????????? 101 ???? ????One of India?s serious environmental problems is f orest degr adation. What is the main cause of f orest
degr adation? (Answer : A)
???????? ???????? ???????????? a) timber extr action ????b) honey extr action ????c) high altitude ????d)Low Rainf all
???????????? 102 ???? ????Ozone day is observed on (Answer : B)
???????? ???????? ???????????? a) 3rd Januaryb ????b) 16th Septemberc ????c) 10th Novemberd ????d)26th March
???????????? 103 ???? ????Ozone Umbrella is located in which layer of atmosphere (Answer : B)
???????? ???????? ???????????? a) a) Troposphere ????b) (b) Str atosphere ????c) (c) Mesosphere ????d)(d) Ionosphere
???????????? 104 ???? ????Peeling of Ozone umbrella, which protects us from UV r ays, is caused by (Answer : B)
???????? ???????? ???????????? a) Carbon monoxideb ????b) CFCsc ????c) Coal burningd ????d)Methane
???????????? 105 ???? ????Soil erosion removes surf ace soil which contains (Answer : A)
???????? ???????? ???????????? a) Organic matterb ????b) Plant nutrientsc ????c) Both a and bd ????d)none of the above
???????????? 106 ???? ????Sustainable development means (Answer : C)
???????? ???????? ???????????? a) a. meeting present needs without compromising on f uture needs ????b) b. progress of human beings
????c) c. balance between human needs and the ability of earth to provide the resources ????d)d. all of the above
???????????? 107 ???? ????The adverse ef f ect of modern agriculture is (Answer : B)
???????? ???????? ???????????? a) Water pollutionb ????b) Soil degr adationc ????c) Water loggingd ????d)All of the above
???????????? 108 ???? ????The f ossil f uel that is derived from the dead remains of plants that grew some 250 million years ago is
(Answer : C)
???????? ???????? ???????????? a) Petroleumb ????b) Natur al gasc ????c) Coald ????d)LPG
???????????? 109 ???? ????The impact of construction of dams (Answer : D)
???????? ???????? ???????????? a) Submerged f orest b ????b) Loss of wild lif e habitat c ????c) Damages downstream ecosystem d ????d)All
of the above
???????????? 110 ???? ????The ma jor cause f or land degr adation in our country is (Answer : A)
???????? ???????? ???????????? a) Soil erosion(b ????b) Pollution of soil(c ????c) Water-logging(d ????d)None of the above
???????????? 111 ???? ????The ma jor reason f or floods in the rivers Ganges and Br ahmaputr a is ________ (Answer : B)
???????? ???????? ???????????? a) a) Dams in Himalayas ????b) b) Def orestation in Himalayas ????c) c) Heavy r ains ????d)d) Melting of ice
???????????? 112 ???? ????The method of r ainwater harvesting which can be adopted by individual house owners is (Answer : D)
???????? ???????? ???????????? a) Construction of recharge trenches (b ????b) On channel stor age of water (c ????c) Creation of new
water bodies (d ????d)Roof-top r ainwater harvesting
???????????? 113 ???? ????The percentage of total world?s precipitation, which is lost to the atmosphere through evapor ation,
approximates to: (Answer : A)
???????? ???????? ???????????? a) 57%(b ????b) 7%(c ????c) 37%(d ????d)43%
???????????? 114 ???? ????The process of restoring f orests that once existed but was removed at some time in the past is known
as (Answer : B)
???????? ???????? ???????????? a) Af f orestationb ????b) Ref orestationc ????c) Def orestationd ????d)None of these
???????????? 115 ???? ????The share of Hydropower (Hydel pro jects) in worlds commercial electricity production is less than ________
(Answer : D)
???????? ???????? ???????????? a) 2.00% ????b) 4.00% ????c) 12.00% ????d)20.00%
???????????? 116 ???? ????The species restricted to be present in one region are called (Answer : B)
???????? ???????? ???????????? a) Edge speciesb ????b) Endemic species c ????c) Endangered species d ????d)Keystone species
???????????? 117 ???? ????The teeth are likely to be pitted, more susceptible to cavities and wear, when the fluoride concentr ation
is: (Answer : D)
???????? ???????? ???????????? a) More than 2 mg/1 (b ????b) More than 40 mg/1 (c ????c) More than 20 mg/1 (d ????d)More than 4 mg/1
???????????? 118 ???? ????The term ?Environment? has been derived from the French word which means to encircle or surround
(Answer : A)
???????? ???????? ???????????? a) Environb ????b) Oikosc ????c) Geod ????d)Aqua
???????????? 119 ???? ????Wetlands in the flood plains of rivers are also considered as nature?s ________ (Answer : C)
???????? ???????? ???????????? a) a) Heat sink ????b) b) carbon sink ????c) c) flood control systems ????d)d) swimming pool
???????????? 120 ???? ????What are rodenticides? (Answer : C)
???????? ???????? ???????????? a) that kill fishes ????b) that kill insects ????c) that kill r ats ????d)that kill crocos
???????????? 121 ???? ????What is Kyoto Protocol? (Answer : A)
???????? ???????? ???????????? a) a. It is an agreement among countries to take steps f or reducing global warming. ????b) b. It is an
agreement among countries to take steps f or reducing acid r ain. ????c) c. It is an agreement among countries to take steps
f or planting trees to control pollution. ????d)d. It is an agreement among countries to start using nuclear energy.
???????????? 122 ???? ????What is the ma jor limiting f actor in the arid areas of our country? (Answer : C)
???????? ???????? ???????????? a) a) Money ????b) b) f orests ????c) c) water ????d)d) soil
???????????? 123 ???? ????What kind of people are the most ill-af f ected by the construction of dams? (Answer : D)
???????? ???????? ???????????? a) a) Urban dwellers ????b) b) beach dwellers ????c) c) tourists ????d)d) tribal people
???????????? 124 ???? ????When fluoride concentr ation in H2O exceeds about 1.5 mg/1, the disease that may be caused, is
(Answer : B)
???????? ???????? ???????????? a) Dental caries in children(b ????b) Fluorosis(c ????c) Polymyelitis(d ????d)Methemoglobinemia
???????????? 125 ???? ????Which among the f ollowing is a sedimentary type of cycle? (Answer : A)
???????? ???????? ???????????? a) Sulphur cycle(b ????b) Nitrogen cycle(c ????c) Oxygen cycle(d ????d)Carbon cycle
???????????? 126 ???? ????Which gas is responsible f or ozone layer depletion around earth? (Answer : B)
???????? ???????? ???????????? a) Carbon dioxideb ????b) Chlorofluorocarbonsc ????c) Oxygend ????d)Nitrogen oxide
???????????? 127 ???? ????Which gas is responsible f or the global warming? (Answer : B)
???????? ???????? ???????????? a) Nitrogenb ????b) Carbon dioxidec ????c) Noble gasesd ????d)Hydrogen
???????????? 128 ???? ????Which is a list of renewable resources? (Answer : D)
???????? ???????? ???????????? a) Petroleum, geothermal, wind b ????b) Biomass, geothermal, hydropower c ????c) Natur al gas, wind,
biomass d ????d)Hydropower, solar, wind energy
???????????? 129 ???? ????Which is the only country who has not r atified the Kyoto Protocol yet? (Answer : A)
???????? ???????? ???????????? a) United States ????b) Austr alia ????c) Japan ????d)India
???????????? 130 ???? ????Which of below items is the ma jor sector which extr acts most of fresh water available f or utilization?
(Answer : D)
???????? ???????? ???????????? a) domestic use ????b) drinking water ????c) bever age industry ????d)agriculture
???????????? 131 ???? ????Which of the f ollowing are consequences of ozone depletion (Answer : A)
???????? ???????? ???????????? a) Skin cancer and catar actb ????b) Reduced growth in plants c ????c) Shortening of zooplanktons and
their breeding period d ????d)All of the above
???????????? 132 ???? ????Which of the f ollowing are ma jor environmental issues involved in mining? (Answer : D)
???????? ???????? ???????????? a) air pollutionb ????b) water pollutionc ????c) soil degr adationd ????d)all of the above
???????????? 133 ???? ????Which of the f ollowing ef f ect is responsible f or Global Warming? (Answer : A)
???????? ???????? ???????????? a) Green house ef f ectb ????b) Radioactive ef f ectc ????c) Solar ef f ectd ????d)Nuclear ef f ect
???????????? 134 ???? ????Which of the f ollowing is management option f or air pollution? (Answer : D)
???????? ???????? ???????????? a) Regulations and standardsb ????b) Tr ansport planningc ????c) Using CNG as f ueld ????d)All of these
???????????? 135 ???? ????Which of the f ollowing is not a method f or water conservation? (Answer : B)
???????? ???????? ???????????? a) Rainwater harvesting(b ????b) Groundwater extr action (c ????c) Improving irrigation ef ficiency (d
????d)Avoiding water wastage
???????????? 136 ???? ????Which of the f ollowing is not a viable protection against def orestation? (Answer : C)
???????? ???????? ???????????? a) Reduce the consumption of f orest and related products (b ????b) Boycott products of companies
involve in def orestation (c ????c) Privatisation of f orest land (d ????d)Environmental education
???????????? 137 ???? ????Which of the f ollowing is not influenced by human activities? (Answer : D)
???????? ???????? ???????????? a) Destruction of mangroves and wetlands b ????b) Depletion of ground water c ????c) Increased
extinction r ate of species d ????d)None of the above
???????????? 138 ???? ????Which of the f ollowing is not true about def orestation? (Answer : C)
???????? ???????? ???????????? a) Population explosion is one of the reasons f or def orestation (b ????b) Cleaning of f orest f or
agriculture causes def orestation. (c ????c) Def orestation is taking place only in developing courtiers. (d ????d)Cash crop
economy of third world is a cause of def orestation.
???????????? 139 ???? ????Which of the f ollowing is responsible f or desertification? (Answer : D)
???????? ???????? ???????????? a) Def orestation(b ????b) Mining(c ????c) Overgr azing(d ????d)All of the above
???????????? 140 ???? ????Which of the f ollowing statements about the f orest is not correct? (Answer : D)
???????? ???????? ???????????? a) Forest reduces soil erosion (b ????b) Provides recreational opportunities (c ????c) Provides economic
development (d ????d)None of the above
???????????? 141 ???? ????Which of these is not a f ossil f uel? (Answer : D)
???????? ???????? ???????????? a) Coalb ????b) Oilc ????c) Natur al gasd ????d)Ur anium
???????????? 142 ???? ????Which one of the f ollowing is not an ideal solution f or tackling water shortages? (Answer : D)
???????? ???????? ???????????? a) Controlling population growth (b ????b) Conserving water in irrigation (c ????c) Controlling water
pollution (d ????d)Drilling large number of deep bore wells
???????????? 143 ???? ????Which one of the f ollowing regions in India is a hotspot of biodiversity? (Answer : B)
???????? ???????? ???????????? a) Sundarbansb ????b) Western Ghatsc ????c) Eastern Ghatsd ????d)Gangetic plains
???????????? 144 ???? ????World environment day is on: (Answer : B)
???????? ???????? ???????????? a) 5th Mayb ????b) 5th Junec ????c) 18th Julyd ????d)16th August
???????????? 145 ???? ????World Forest day is celebr ated on (Answer : A)
???????? ???????? ???????????? a) 21st March b ????b) 5th June c ????c) 1st Dec d ????d)7th June
???????????? 146 ???? ????Yellowing of Ta j Mahal is an ef f ect of (Answer : A)
???????? ???????? ???????????? a) Acid r ainb ????b) Global warmingc ????c) Ozone depletiond ????d)All of the above
???????????? 147 ???? ????Green Revolution in India was initiated by __________ (Answer : A)
???????? ???????? ???????????? a) M.S. Swaminathan ????b) Sunderlal Bahuguna ????c) Kurien ????d)Medha Patkar
???????????? 148 ???? ????Who wrote the book Violence of Green Revolution (Answer : A)
???????? ???????? ???????????? a) Vandana Siva ????b) Sheela Dikshit ????c) Menaka Gandhi ????d)Arundhathi Roy.
???????????? 149 ???? ????World Forest day is celebr ated on (Answer : A)
???????? ???????? ???????????? a) 21st March ????b) 5th June ????c) 1st Dec ????d)7th June
???????????? 150 ???? ????The Chipko movement is started by (Answer : B)
???????? ???????? ???????????? a) Engler ????b) Sunderlal Bahuguna ????c) Medha Padkar ????d)None of these
???????????? 151 ???? ????Green revolution is associated with _________ (Answer : B)
???????? ???????? ???????????? a) sericulture ????b) Agriculture ????c) Fish culture ????d)silviculture
???????????? 152 ???? ????Which gas is likely to be reduced in the atmosphere by def orestation? (Answer : C)
???????? ???????? ???????????? a) Carbon dioxide ????b) Nitrogen ????c) Oxygen ????d)Sulphur dioxide
???????????? 153 ???? ????Extensive planting of trees to increase f orest cover is called (Answer : A)
???????? ???????? ???????????? a) Af f orestation ????b) Agrof orestry ????c) Def orestation ????d)Social f orestry
???????????? 154 ???? ????Soil erosion can be prevented by (Answer : B)
???????? ???????? ???????????? a) Def orestation ????b) Af f orestation ????c) Overgr azing ????d)Removal of vegetation
???????????? 155 ???? ????The components of LPG are _____________ (Answer : B)
???????? ???????? ???????????? a) Methane & Hexane ????b) Propane & Butane ????c) Ethane & Methane ????d)Propane & Ethane
???????????? 156 ???? ????Which of the f ollowing is the most responsible f or world water crisis? (Answer : C)
???????? ???????? ???????????? a) Dams ????b) Floods ????c) Drought ????d)Population growth
???????????? 157 ???? ????The resources that can be replaced by natur al ecological cycle is called (Answer : A)
???????? ???????? ???????????? a) Renewable ????b) Non-renewable ????c) exhaustible ????d)natur al
???????????? 158 ???? ????The amount of solar r adiation reaching the surf ace of the earth is called (Answer : A)
???????? ???????? ???????????? a) Solar flux ????b) reflected light ????c) miner als ????d)solvents
???????????? 159 ???? ????The most harmf ul of ultr aviolet r adiations are (Answer : A)
???????? ???????? ???????????? a) UV-C ????b) UV-B ????c) UV-A ????d)All the above
???????????? 160 ???? ????A renewable source of energy is (Answer : D)
???????? ???????? ???????????? a) Petroleum ????b) Coal ????c) Nuclear f uel ????d)Trees
???????????? 161 ???? ????The capacity to do work is termed as (Answer : D)
???????? ???????? ???????????? a) Power ????b) Force ????c) Strength ????d)Energy
???????????? 162 ???? ????The unit of total water content of the soil is known as (Answer : A)
???????? ???????? ???????????? a) Holard ????b) Chr aserd ????c) Echard ????d)All of the above
???????????? 163 ???? ????Pedology? (Answer : C)
???????? ???????? ???????????? a) Study of water ????b) Study of air ????c) Study of soil ????d)none
???????????? 164 ???? ????What is def orestation? (Answer : B)
???????? ???????? ???????????? a) Product of f orest ????b) Destruction of f orest ????c) Forest Protection ????d)none
???????????? 165 ???? ????Def orestation gener ally decreases (Answer : D)
???????? ???????? ???????????? a) Global Warming ????b) Drought ????c) Soil erosion ????d)Rainf all
???????????? 166 ???? ????Which among the f ollowing result in the f ormation of soil? (Answer : B)
???????? ???????? ???????????? a) Radiation ????b) Weathering ????c) Erosion ????d)Pollution
???????????? 167 ???? ????Mulching helps in (Answer : B)
???????? ???????? ???????????? a) soil f ertility ????b) moisture conservation ????c) improvements soil structure ????d)soil sterility
???????????? 168 ???? ????........................ is an example of ?bottom f eeders?. (Answer : A)
???????? ???????? ???????????? a) Cat fish ????b) Frog ????c) Snake ????d)Tadpole ????e)
???????????? 169 ???? ????..................... trees shed their leaves during winter and hot summer. (Answer : C)
???????? ???????? ???????????? a) (a) ever green ????b) b) conif erous ????c) c) deciduous ????d)d) Shola
???????????? 170 ???? ????...................... is a cold desert in India (Answer : B)
???????? ???????? ???????????? a) Thar ????b) Ladakh ????c) Ran of Kutch ????d)Bhopal
???????????? 171 ???? ????A lake ecosystem f unctions as a (Answer : A)
???????? ???????? ???????????? a) Ter ai ????b) Shola gr asslands ????c) Semi arid plains ????d)Himalayan pastures
???????????? 172 ???? ????An example of nitrogen fixing bacteria in the soil (Answer : C)
???????? ???????? ???????????? a) Rhizobium ????b) Nostoc ????c) Azotobacter ????d)Nitrobacter
???????????? 173 ???? ????An example of one way ecological cycle is (Answer : C)
???????? ???????? ???????????? a) carbon dioxide cycle ????b) water cycle ????c) energy cycle ????d)oxygen cycle
???????????? 174 ???? ????Br ackish water ecosystems in river deltas are among (Answer : B)
???????? ???????? ???????????? a) Least productive ecosystems ????b) Most productive in terms of biomass production ????c) c)
Unproductive d) Stagnant ecosystems ????d)
???????????? 175 ???? ????Ecology is (Answer : C)
???????? ???????? ???????????? a) The science that studies the evolution of lif e, ????b) b) Integr ates both social and natur al sciences to
help us understand how the earth works, ????c) c) The study of the relationships between organisms and their
environment ????d)d) The study of the environment in the absence of humans
???????????? 176 ???? ????Forests grow in high r ain f all areas are (Answer : A)
???????? ???????? ???????????? a) (a) ever green f orests ????b) b) temper ate f orests ????c) c) conif ers ????d)d) Tundr a
???????????? 177 ???? ????Fungi is a (Answer : D)
???????? ???????? ???????????? a) Macroconsumer ????b) Producer ????c) Carnivore d ????d)Microconsumer
???????????? 178 ???? ????Nitrogen fixing blue green alga (Answer : C)
???????? ???????? ???????????? a) Clostridium ????b) Rhizobium ????c) Nostoc ????d)Nitrosomonas
???????????? 179 ???? ????Nitrogen gas returns to the atmosphere by the action of (Answer : B)
???????? ???????? ???????????? a) Nitrogen fixing bacteria ????b) Denitrif ying bacteria ????c) Nitrif ying bacteria ????d)Nitr ate f ertilizers
???????????? 180 ???? ????Patches of tall gr asslands interspersed with Sal f orest ecosystem is (Answer : A)
???????? ???????? ???????????? a) ????b) ????c) ????d)
???????????? 181 ???? ????Ramsar Convention ref ers to the conservation of ____________ (Answer : B)
???????? ???????? ???????????? a) (a) Deserts ????b) b) Wetlands ????c) c) Agriculture lands, ????d)d) Forest land
???????????? 182 ???? ????Some species whose removal can af f ect the survival of an ecosystem are called (Answer : B)
???????? ???????? ???????????? a) ????b) b) Keystone species ????c) c) Producers ????d)d) Carnivores
???????????? 183 ???? ????Sunderbans is home to (Answer : B)
???????? ???????? ???????????? a) Giant permanent pond ????b) Tempor ary aquatic system ????c) Simplest aquatic ecosystem ????d)Water
tank
???????????? 184 ???? ????The conversion of ammonia to nitr ate is known as ________ (Answer : B)
???????? ???????? ???????????? a) (a) ammonification ????b) b) nitrification ????c) c) denitrification ????d)d) all of these
???????????? 185 ???? ????The f orests which occur in law r ain f all area is (Answer : B)
???????? ???????? ???????????? a) (a) Evergreen f orests ????b) b) deciduous f orests ????c) c) Conif erous f orest ????d)d) All the above.
???????????? 186 ???? ????The inherent ability of organisms to reproduce and multiply is called, (Answer : B)
???????? ???????? ???????????? a) C value ????b) b) biotic potential ????c) c) carrying capacity ????d)d) K value
???????????? 187 ???? ????The largest br ackish water lake situated in Asia is in Orissa. Which is the lake? (Answer : A)
???????? ???????? ???????????? a) (a) Chilka lake ????b) b) Vembanad lake ????c) c) Woolar lake ????d)d) Dal lake
???????????? 188 ???? ????The Little Rann of Kutch is home to (Answer : D)
???????? ???????? ???????????? a) Horse ????b) b) Great Indian Bustard ????c) c) Lion ????d)d) Wild Ass
???????????? 189 ???? ????The presence of which is necessary f or photosynthesis (Answer : B)
???????? ???????? ???????????? a) (a) Chlorof orm ????b) b) Chlorophyll ????c) c) Phosphorus ????d)d) Polymer
???????????? 190 ???? ????The process through which ecosystems tend to change after a period of time is called (Answer : A)
???????? ???????? ???????????? a) ????b) ????c) ????d)
???????????? 191 ???? ????The species that flower are called (Answer : C)
???????? ???????? ???????????? a) (a) gymnosperms ????b) b) bryophytes ????c) c) angiosperms ????d)d) algae
???????????? 192 ???? ????The term ?Eco? implies (Answer : A)
???????? ???????? ???????????? a) Environment ????b) Ecotone ????c) Ecotourism ????d)Soil
???????????? 193 ???? ????The term ?Ecology? was coined by (Answer : B)
???????? ???????? ???????????? a) A.G.Tansley ????b) Earnst Haeckel ????c) Aristotle ????d)Linnaeus
???????????? 194 ???? ????The word Biophilia was coined by (Answer : D)
???????? ???????? ???????????? a) Dr. Hackel ????b) Dr.Johanssen ????c) Dr. Ben jamine ????d)E. O. Wilson
???????????? 195 ???? ????What is Dendrology? (Answer : C)
???????? ???????? ???????????? a) Study of Plants ????b) Study of Butterflies ????c) Study of Trees ????d)None of these
???????????? 196 ???? ????What is edge species? (Answer : A)
???????? ???????? ???????????? a) The species which occur abundantly in the ecotone ????b) b) Species on the verge of extinction ????c)
c) Rare species ????d)d) Endemic species
???????????? 197 ???? ????What is symbiosis? (Answer : C)
???????? ???????? ???????????? a) Study of distribution of related species ????b) b) Association between members of same species
????c) c) Association between members of two species ????d)d) None
???????????? 198 ???? ????When number of f ood chains is interlocked this is called (Answer : C)
???????? ???????? ???????????? a) f ood link ????b) f ood chain ????c) f ood web ????d)pyr amid
???????????? 199 ???? ????Which is an example f or sedimentary biogeochemical cycle (Answer : D)
???????? ???????? ???????????? a) Oxygen cycle ????b) Nitrogen cycle ????c) Water cycle ????d)Phosphorus cycle
???????????? 200 ???? ????Which is the second largest in species richness? (Answer : C)
???????? ???????? ???????????? a) Desert ????b) b) Tundr a ????c) c) Cor al reefs ????d)d) Flowing water
???????????? 201 ???? ????Gr assland of USA is ref erred to as (Answer : A)
???????? ???????? ???????????? a) Pr airies ????b) Steppes ????c) Pampas ????d)Veldts
???????????? 202 ???? ????The complex network of interconnected f ood chains is called ___________ (Answer : B)
???????? ???????? ???????????? a) Trophic level ????b) Food web ????c) Ecological pyr amid ????d)Ecology chain
???????????? 203 ???? ????The animal which consumes decaying organic matter is _________ (Answer : B)
???????? ???????? ???????????? a) Carnivore ????b) Detritivore ????c) Herbivore ????d)Producers
???????????? 204 ???? ????An ecosystem gr adually merges with an adjoining one through a tr ansitional zone is called the
______________ (Answer : C)
???????? ???????? ???????????? a) Ecological niche ????b) ecological f ootprint ????c) ecotone ????d)Shore ef f ect
???????????? 205 ???? ????The Primary Consumers are also called as (Answer : A)
???????? ???????? ???????????? a) Herbivores ????b) Carnivores ????c) Enzymes ????d)None of these
???????????? 206 ???? ????The f orests which occur in law r ain f all area is called (Answer : B)
???????? ???????? ???????????? a) Evergreen f orests ????b) deciduous f orests ????c) Conif erous f orest ????d)All the above
???????????? 207 ???? ????Favor able morphological and physiological response to a change in environment is called (Answer : D)
???????? ???????? ???????????? a) Preadaptation ????b) Ecotyping ????c) Formation of ecophenes ????d)Acclimatization
???????????? 208 ???? ????Plants adapted to open, sunny habitats are (Answer : B)
???????? ???????? ???????????? a) Sciophytes ????b) Heliophytes ????c) Mesophytes ????d)Epiphytes
???????????? 209 ???? ????Temper ate f orests occur in India in (Answer : B)
???????? ???????? ???????????? a) Indo-gangetic plains ????b) Himalayas ????c) Eastern India ????d)Southern peninsula
???????????? 210 ???? ????In India, tropical evergreen f orests occur in (Answer : C)
???????? ???????? ???????????? a) Himachal Pr adesh ????b) Madhya Pr adesh ????c) Assam ????d)Tamil Nadu
???????????? 211 ???? ????Which one is natures cleaner? (Answer : C)
???????? ???????? ???????????? a) Consumers ????b) Producers ????c) Decomposers and Scavengers ????d)Symbionts
???????????? 212 ???? ????The relationship between nitrogen fixing bacteria and leguminous plants is an example f or (Answer : C)
???????? ???????? ???????????? a) Par asitism ????b) Predation ????c) Mutualism ????d)Symbiosis
???????????? 213 ???? ????______ trees shed their leaves during winter and hot summer. (Answer : C)
???????? ???????? ???????????? a) Ever green ????b) Conif erous ????c) Deciduous ????d)Shola
???????????? 214 ???? ????Thorn f orests are f ound in the_______ regions (Answer : A)
???????? ???????? ???????????? a) Semi-arid ????b) High r ain f all areas ????c) Low temper ature ????d)Frozen areas
???????????? 215 ???? ????________ is a cold desert in India (Answer : B)
???????? ???????? ???????????? a) Thar ????b) Ladakh ????c) Ran of Kutch ????d)Bhopal
???????????? 216 ???? ????______ is an example of bottom f eeders (Answer : A)
???????? ???????? ???????????? a) Cat fish ????b) Frog ????c) Snake ????d)Tadpole
???????????? 217 ???? ????A Hawk that eats a frog is a (Answer : D)
???????? ???????? ???????????? a) Producer ????b) Primary Consumer ????c) Secondary Consumer ????d)Tertiary Consumer
???????????? 218 ???? ????An example of lotic system (Answer : B)
???????? ???????? ???????????? a) Pond ????b) River ????c) Lake ????d)Reservoir
???????????? 219 ???? ????Complex interlinked f ood chains are called (Answer : A)
???????? ???????? ???????????? a) Food Web ????b) Food net work ????c) Trophic levels ????d)Food pyr amid
???????????? 220 ???? ????Lotic ecosystem ref ers to (Answer : B)
???????? ???????? ???????????? a) Static water system ????b) Ecosystem of flowing water ????c) Ecosystem of estuaries ????d)Deep
marine water system
???????????? 221 ???? ????Autotrophs are ______________ (Answer : D)
???????? ???????? ???????????? a) Consumers ????b) Herbivores ????c) Saprophytes ????d)Producers
???????????? 222 ???? ????Organisms which depened on Producers f or nutrition are called (Answer : C)
???????? ???????? ???????????? a) Autotrophs ????b) Saprophytes ????c) Consumers ????d)Xerophytes
???????????? 223 ???? ????The source of atmospheric oxygen is (Answer : B)
???????? ???????? ???????????? a) Nitrogen cycle ????b) Green Plants ????c) Water ????d)Carbon Cycle
???????????? 224 ???? ????Plants which grow in shade are called (Answer : A)
???????? ???????? ???????????? a) Sciophytes ????b) Heliophytes ????c) Oxylophytes ????d)Epiphytes
???????????? 225 ???? ????Photosynthesis is f ound in (Answer : A)
???????? ???????? ???????????? a) Producers ????b) Decomposers ????c) Consumers ????d)Scavengers
???????????? 226 ???? ????Phytoplankton are (Answer : B)
???????? ???????? ???????????? a) Producers of f orest ????b) Producers of lakes ????c) Consumers of Ocean ????d)Omnivores
???????????? 227 ???? ????Gas released during photosynthesis is (Answer : C)
???????? ???????? ???????????? a) Methane ????b) Nitrogen ????c) Oxygen ????d)Carbon dioxide
???????????? 228 ???? ????The ma jor reservoir of carbon is (Answer : B)
???????? ???????? ???????????? a) The atmosphere ????b) Ocean Bed ????c) Plant and animals ????d)Rock
???????????? 229 ???? ????The simplest aquatic ecosystem can be seen in a (Answer : C)
???????? ???????? ???????????? a) River ????b) Lake ????c) Pond ????d)Water Tank
???????????? 230 ???? ????What is hibernation and aestivation? (Answer : A)
???????? ???????? ???????????? a) Thermal adaptation shown by animals ????b) wind adaptation shown by animals ????c) adaptation of
animals to escape from predators ????d)None
???????????? 231 ???? ????What is lentic habitat ? (Answer : B)
???????? ???????? ???????????? a) Running water habitat ????b) Standing or still water habitat ????c) Marine habitat ????d)None
???????????? 232 ???? ????What is lotic habitat? (Answer : C)
???????? ???????? ???????????? a) Standing or still water habitat ????b) Marine habitat ????c) Running water habitat ????d)Stagnant water
???????????? 233 ???? ????What is Plankton? (Answer : A)
???????? ???????? ???????????? a) Microscopic floating organisms ? Plants and animals. ????b) bottom dwelling aquatic organisms ????c)
Large plants in water ????d)None
???????????? 234 ???? ????What is Canopy? (Answer : A)
???????? ???????? ???????????? a) Uppermost level of the f orest ????b) Ground level of the f orest ????c) Soil in f orest ????d)Climbers on
trees
???????????? 235 ???? ????North American gr assland are called (Answer : B)
???????? ???????? ???????????? a) Pampas ????b) Pr airies ????c) Savannah ????d)None
???????????? 236 ???? ????African gr asslands are called (Answer : C)
???????? ???????? ???????????? a) Pr airies ????b) Pampas ????c) Savannah ????d)None
???????????? 237 ???? ????Green plants are absent in deep sea. Why? (Answer : A)
???????? ???????? ???????????? a) Light is absent ????b) High pressure ????c) low temper ature ????d)Great depth
???????????? 238 ???? ????What is desertification? (Answer : D)
???????? ???????? ???????????? a) Conversion of f orests into desert ????b) Conversion of croplands into desert ????c) Conversion of
gr assland into desert ????d)all of the above
???????????? 239 ???? ????The first trophic level in a f ood chain (Answer : A)
???????? ???????? ???????????? a) Green Plants ????b) Herbivores ????c) Carnivores ????d)Bacteria
???????????? 240 ???? ????Sulphur bacteria are examples of (Answer : D)
???????? ???????? ???????????? a) Carnivores ????b) Heterotrophs ????c) Saprophytes ????d)Autotrophs
???????????? 241 ???? ????Green Land biome (Answer : B)
???????? ???????? ???????????? a) Tundr a ????b) Pampas ????c) Taiga ????d)Thaar.
???????????? 242 ???? ????What is deep ecology? (Answer : A)
???????? ???????? ???????????? a) Protecting nature f or its own sake ????b) Ecology of deep sea ????c) Ecology of f orest ????d)Ecology of
caves
???????????? 243 ???? ????Cor al reefs in India can be seen in (Answer : B)
???????? ???????? ???????????? a) Himalayan region ????b) Andaman and Nicobar Islands ????c) Uttarpr adesh ????d)Mahar ashtr a
???????????? 244 ???? ????____________ is one of the most endangered species of Indian birds (Answer : D)
???????? ???????? ???????????? a) Bee eater ????b) Par adise fly catcher ????c) Owl ????d)The great Indian bustard
???????????? 245 ???? ????................. species is known as Azadir achta Indica (Answer : A)
???????? ???????? ???????????? a) Neem ????b) Mango ????c) Jackfruit ????d)Banana
???????????? 246 ???? ????.................... is a marine tortoise which shows the unique phenomenon ?arribada? (Answer : A)
???????? ???????? ???????????? a) Olive Ridley ????b) Star T ortoise ????c) Tr avancore T ortoise ????d)b & c
???????????? 247 ???? ????.................... tree is known as ?flame of the f orest?? (Answer : B)
???????? ???????? ???????????? a) Zizyphus ????b) Butea monosperma ????c) Jackfruit ????d)Pongamea
???????????? 248 ???? ????All are insitu conservation ef f orts except (Answer : C)
???????? ???????? ???????????? a) National parks ????b) Sanctuaries ????c) Zoo ????d)
???????????? 249 ???? ????Approximately, 50% of total world species are present on (Answer : A)
???????? ???????? ???????????? a) tropical r ain f orest ????b) temper ate r ain f orest ????c) temper ate deciduous f orest d ????d)cor al reefs
???????????? 250 ???? ????Bears are usually hunted and killed f or their (Answer : B)
???????? ???????? ???????????? a) Teeth ????b) Skin ????c) Gall bladder ????d)Nails
???????????? 251 ???? ????Biodiversity (Answer : A)
???????? ???????? ???????????? a) increases towards the equator ????b) decreases towards the equator ????c) remains same throughout
the planet d ????d)has no ef f ect on change in latitude
???????????? 252 ???? ????Black Buck is a (Answer : B)
???????? ???????? ???????????? a) Goat ????b) Deer ????c) Butterfly ????d)Bird
???????????? 253 ???? ????Blue whale is placed under (Answer : A)
???????? ???????? ???????????? a) endangered ????b) critically endangered ????c) r are ????d)d) extinct
???????????? 254 ???? ????Conservation within the natur al habitat is (Answer : A)
???????? ???????? ???????????? a) insitu conservation ????b) exsitu conservation ????c) invivo conservation ????d)d) exvivo conservation
???????????? 255 ???? ????Cor al reefs in India can be seen in (Answer : B)
???????? ???????? ???????????? a) Himalayan region ????b) Andaman and Nicobar Islands ????c) Uttarpr adesh ????d)Mahar ashtr a
???????????? 256 ???? ????Dodo is (Answer : D)
???????? ???????? ???????????? a) endangered ????b) b) critically endangered ????c) c) r are ????d)d) extinct
???????????? 257 ???? ????Endemic species are (Answer : B)
???????? ???????? ???????????? a) r are species ????b) b) species localised in a specific region ????c) c) cosmopolitan in distribution d)
critically endangered species ????d)
???????????? 258 ???? ????Ex situ conservation includes (Answer : D)
???????? ???????? ???????????? a) Zoo ????b) Botanic garden ????c) c) Germplasm bank ????d)d) all of the above
???????????? 259 ???? ????Gharial is a (Answer : A)
???????? ???????? ???????????? a) Crocodile ????b) b) Cobr a ????c) c) T ortoise ????d)d) Frog
???????????? 260 ???? ????Herpetology is a br anch of Science which deals with (Answer : C)
???????? ???????? ???????????? a) Aves ????b) Mammals ????c) Reptiles ????d)Fishes
???????????? 261 ???? ????Hot spots are regions of high (Answer : B)
???????? ???????? ???????????? a) r arity ????b) b) endemism ????c) c) critically endangered population d) diversity ????d)d) diversity
???????????? 262 ???? ????India is primary centre of domestication of (Answer : D)
???????? ???????? ???????????? a) Sheep ????b) Goat ????c) Water Buf f alo ????d)Elephants
???????????? 263 ???? ????IUCN (The International Union For Conservation Of Nature And Natur al Resources) headquarters is at
(Answer : A)
???????? ???????? ???????????? a) Morges, Switzerland ????b) Paris, Fr ance ????c) Vienna, Austria d ????d)NewYork, USA
???????????? 264 ???? ????IUCN is also called as (Answer : B)
???????? ???????? ???????????? a) Man and Biosphere progr am ????b) World Conservation Union ????c) World Conservation Consortium
d ????d)World Wide Conservation Union
???????????? 265 ???? ????Killing of animals disturbs (Answer : C)
???????? ???????? ???????????? a) Good f or eco system ????b) Good f or man ????c) The balance of nature ????d)None
???????????? 266 ???? ????MAB progr am stands f or (Answer : D)
???????? ???????? ???????????? a) Man and biotechnology ????b) Material and biology ????c) Man and Biology ????d)Man and Biosphere
???????????? 267 ???? ????Pangolins f eed on (Answer : A)
???????? ???????? ???????????? a) ants ????b) b) fruits ????c) c) leaves ????d)d) roots
???????????? 268 ???? ????Red data book contains data of (Answer : D)
???????? ???????? ???????????? a) all plant species ????b) all animal species ????c) economically important species ????d)threatened
species
???????????? 269 ???? ????Silent Spring is a well known book written by (Answer : C)
???????? ???????? ???????????? a) John Miller ????b) Charles Darwin ????c) Rachel Carson ????d)Aldoleopold
???????????? 270 ???? ????The drug morphine is extr acted from ............... plant (Answer : C)
???????? ???????? ???????????? a) Cocoa ????b) Belladonna ????c) Opium Poppy ????d)Tannin
???????????? 271 ???? ????The first global environmental protection treaty The Montreal Protocol was signed on Sept. 26. (Answer
: D)
???????? ???????? ???????????? a) 1985 ????b) 1990 ????c) 1981 ????d)1987
???????????? 272 ???? ????The most important reason f or decrease in biodiversity is (Answer : D)
???????? ???????? ???????????? a) habitat pollution ????b) introduction of exotic species ????c) overexploitation ????d)habitat destruction
???????????? 273 ???? ????The only ape f ound in India (Answer : C)
???????? ???????? ???????????? a) Gorilla ????b) Chimpanzee ????c) Hoolock gibbon ????d)Or anguttan
???????????? 274 ???? ????Which of the f ollowing is a biodiversity hot sport in India? (Answer : A)
???????? ???????? ???????????? a) Western Ghats ????b) Nandadevi ????c) Eastern Ghats ????d)Ar avalli
???????????? 275 ???? ????Which of the f ollowing region has maximum diversity? (Answer : D)
???????? ???????? ???????????? a) mangroves ????b) temper ate r ainf orest ????c) taiga d ????d)cor al reefs
???????????? 276 ???? ????Which plants die after flowering? (Answer : B)
???????? ???????? ???????????? a) Lotus ????b) Bamboo ????c) Chrysanthemum ????d)Butea
???????????? 277 ???? ????Which tree is known as Cor al tree? (Answer : C)
???????? ???????? ???????????? a) Quercus ????b) Dipterocarps ????c) Erythrina ????d)Zizypus
???????????? 278 ???? ????Salim Ali Centre f or Ornithology and Natur al history is located at ______ (Answer : D)
???????? ???????? ???????????? a) Pune ????b) Hyder abad ????c) Ker ala ????d)Coimbatore
???????????? 279 ???? ????World wildlif e week is observed during (Answer : A)
???????? ???????? ???????????? a) First week of October ????b) Last week of October ????c) Third week of October ????d)First week of
September
???????????? 280 ???? ????Zoological Survey of India is at (Answer : C)
???????? ???????? ???????????? a) Delhi ????b) Mumbai ????c) Kolkata ????d)Chennai
???????????? 281 ???? ????The Salim Ali Bird sanctuary is located at (Answer : B)
???????? ???????? ???????????? a) Pondicherry ????b) Thattekad ????c) Anakkatti ????d)Kalakkadj
???????????? 282 ???? ????Who among the f ollowing is commonly called ?Bird Man of India?? (Answer : A)
???????? ???????? ???????????? a) Salim Ali ????b) M.S. Swaminathan ????c) M.C. Mehta ????d)Raphel Emerson
???????????? 283 ???? ????The phenomenon of occurrence of additional species f ound in the ecotone or tr ansitional zone
between adjoining ecosystems is known as _________ (Answer : A)
???????? ???????? ???????????? a) Edge ef f ect ????b) Root ef f ect ????c) Raman ef f ect ????d)Coolidge ef f ect
???????????? 284 ???? ????A set of organisms that resemble one another in appear ance and behaviour is called a _____________
(Answer : C)
???????? ???????? ???????????? a) Exons ????b) Prions ????c) Species ????d)guilds
???????????? 285 ???? ????All the genes of a population is called (Answer : A)
???????? ???????? ???????????? a) gene pool ????b) Genome ????c) Gene bunch ????d)Gene population
???????????? 286 ???? ????The first protected area in India is ____________ (Answer : B)
???????? ???????? ???????????? a) Silent valley ????b) Corbett National Park ????c) Bandipur sanctuary ????d)Nagar-Hole
???????????? 287 ???? ????The Indian Parliament passed the Biodiversity Bill in the year_________ (Answer : C)
???????? ???????? ???????????? a) 2000 ????b) 2005 ????c) 2002 ????d)2007
???????????? 288 ???? ????The destruction of habitat of plants and animals is called (Answer : C)
???????? ???????? ???????????? a) Endemism ????b) Endangered species ????c) Habitat loss ????d)Flood
???????????? 289 ???? ????Zoos are examples f or (Answer : C)
???????? ???????? ???????????? a) In-situ conservation ????b) In-vivo conservation ????c) Ex-situ conservation ????d)Ex-vivo conservation
???????????? 290 ???? ????In which Indian state is Corbet National park located (Answer : B)
???????? ???????? ???????????? a) Madya Pr adesh ????b) Uttar akhand ????c) Ker ala ????d)Tamilnadu
???????????? 291 ???? ????The first national park of Ker ala (Answer : D)
???????? ???????? ???????????? a) Ar alam ????b) Kottayam ????c) Idukki ????d)Ir avikulam
???????????? 292 ???? ????In which year was Pro ject Tiger launched? (Answer : A)
???????? ???????? ???????????? a) 1973 ????b) 1964 ????c) 1998 ????d)1970
???????????? 293 ???? ????Earth summit of Rio de Janeiro (1992) resulted in (Answer : C)
???????? ???????? ???????????? a) Compilation of Red list ????b) Establishment of biosphere reserves ????c) Conservation of biodiversity
????d)IUCN
???????????? 294 ???? ????Lions are f ound in (Answer : D)
???????? ???????? ???????????? a) Western Ghats ????b) Corbett National Park ????c) Forests of Madhya Pr adesh ????d)Gir f orests
???????????? 295 ???? ????National Park associated with rhinoceros is (Answer : A)
???????? ???????? ???????????? a) Kazir anga ????b) Ranthambore ????c) Corbett ????d)Valley of flowers
???????????? 296 ???? ????Some species of plants and animals are extremely r are and may occur only at a f ew locations are called
(Answer : B)
???????? ???????? ???????????? a) Endemic ????b) Endangered ????c) Vulner able ????d)Threatened
???????????? 297 ???? ????The only known breeding colony of the greater and lesser Flamingos in our country is seen in
???????.. desert. (Answer : A)
???????? ???????? ???????????? a) The Great Rann of Kutch ????b) The Thar ????c) Ladakh ????d)Atacama
???????????? 298 ???? ????The one-horned Rhinoceros is now restricted to which state? (Answer : C)
???????? ???????? ???????????? a) Mahar ashtr a ????b) Gujar at ????c) Assam ????d)Uttar Pr adesh
???????????? 299 ???? ????Asiatic lion is f ound only in _____ (Answer : A)
???????? ???????? ???????????? a) Gir Forest ????b) Manas ????c) Kasir anga ????d)Sundarbans
???????????? 300 ???? ????________ is a marine tortoise which shows the unique phenomenon ???arribada??? (Answer : A)
???????? ???????? ???????????? a) Olive Ridley ????b) Star T ortoise ????c) Tr avancore T ortoise ????d)b & c
???????????? 301 ???? ????Largest reptile in the world (Answer : B)
???????? ???????? ???????????? a) Dr agon ????b) Anaconda ????c) Crocodile ????d)Python
???????????? 302 ???? ????Snow leopard is f ound in which National Park? (Answer : B)
???????? ???????? ???????????? a) Kazir anga ????b) The Great Himalayan ????c) Bhar atpur ????d)Nagarhole
???????????? 303 ???? ????Point Calimere sanctuary is situated in which state? (Answer : A)
???????? ???????? ???????????? a) Tamilnadu ????b) Ker ala ????c) Karnataka ????d)Gujar at
???????????? 304 ???? ????The movement Beej Bachao Andolan was aimed f or the conservation of ________ (Answer : C)
???????? ???????? ???????????? a) Trees ????b) Shrubs ????c) Crops ????d)Coconut
???????????? 305 ???? ????In which year Silent Valley was declared as National Park? (Answer : C)
???????? ???????? ???????????? a) 1988 ????b) 1982 ????c) 1984 ????d)1981
???????????? 306 ???? ????The Red Data book which lists endangered species is maintained by (Answer : C)
???????? ???????? ???????????? a) UNO ????b) WHO ????c) IUCN ????d)WWF
???????????? 307 ???? ????First Biosphere reserve in India (Answer : A)
???????? ???????? ???????????? a) Nilgiri ????b) Agastyamala ????c) Er avikulam ????d)Chinnar
???????????? 308 ???? ????Flag ship species of Choolannur sanctuary (Answer : B)
???????? ???????? ???????????? a) Tiger ????b) Peacock ????c) Elephant ????d)Rhino
???????????? 309 ???? ????Which of the f ollowing is an extinct species? (Answer : C)
???????? ???????? ???????????? a) Tiger ????b) Lion ????c) Dodo ????d)Ostrich
???????????? 310 ???? ????________ is one of the most endangered species of Indian birds (Answer : D)
???????? ???????? ???????????? a) Bee eater ????b) Par adise fly catcher ????c) Owl ????d)The great Indian bustard
???????????? 311 ???? ????Many wild plant and animals are on the verge of extinction due to (Answer : A)
???????? ???????? ???????????? a) Habitat destruction ????b) Climatic changes ????c) Non availability of f ood ????d)None of the above
???????????? 312 ???? ????The most endangered ecosystem in India (Answer : B)
???????? ???????? ???????????? a) Shola f orest ecosystem ????b) Evergreen f orest ecosystem ????c) Pond ecosystem ????d)Tundr a
Ecosystem
???????????? 313 ???? ????Er avikulam National Park conserves (Answer : D)
???????? ???????? ???????????? a) Lion tailed macaque ????b) Tiger ????c) Elephant ????d)Nilgiri Tahr
???????????? 314 ???? ????First National Park in India (Answer : A)
???????? ???????? ???????????? a) Jim Corbert National Park ????b) Bandipur National Park ????c) Gir National Park ????d)Sunderbans
National Park
???????????? 315 ???? ????Agastyamalai Biosphere reserve is in (Answer : B)
???????? ???????? ???????????? a) Pathanamthitta ????b) Thiruvananthapur am ????c) Idukki ????d)Wayanad
???????????? 316 ???? ????What is meant by ex-situ conservation? (Answer : C)
???????? ???????? ???????????? a) Conservation of a species by protecting its habitat along with all other species living there. ????b)
Conservation of f orest eco system ????c) Conservation of a species outside its natur al habitat ????d)Conservation of
plants
???????????? 317 ???? ????The state which constituted green bench (Answer : B)
???????? ???????? ???????????? a) Ker ala ????b) Tamilnadu ????c) Assam ????d)Madhya Pr adesh
???????????? 318 ???? ????Name the endangered animal which is protected in Ra jamalai National park (Answer : C)
???????? ???????? ???????????? a) Chital ????b) Black buck ????c) Nilgiri Tahr ????d)None
???????????? 319 ???? ????Animals and plants are best protected in (Answer : C)
???????? ???????? ???????????? a) Zoos ????b) Botanical Gardens ????c) National Parks ????d)Sanctuaries
???????????? 320 ???? ????Worlds first Teak Forest was planted in 1842 in Ker ala. Identif y the place. (Answer : B)
???????? ???????? ???????????? a) Wayanad ????b) Nilambur ????c) Silent Valley ????d)Nelliyampathy
???????????? 321 ???? ????The Native Place of Redwood trees? (Answer : C)
???????? ???????? ???????????? a) Austr alia ????b) Amazon ????c) Calif ornia ????d)Thailand
???????????? 322 ???? ????Centre of Modern nuclear technology in India (Answer : C)
???????? ???????? ???????????? a) CRAS ????b) SARC ????c) BARC ????d)None of these
???????????? 323 ???? ????What is an Inciner ator? (Answer : A)
???????? ???????? ???????????? a) Furnace used f or burning solid waste ????b) Furnace used f or treating liquid waste ????c) Both a & b
????d)None of these
???????????? 324 ???? ????Photochemical smog is called (Answer : B)
???????? ???????? ???????????? a) T okyo smog ????b) London smog ????c) Los Angeles smog ????d)None
???????????? 325 ???? ????The combustion of waste in the absence of Oxygen is called (Answer : B)
???????? ???????? ???????????? a) Haemolysis ????b) Pyrolysis ????c) Hydrolysis ????d)None
???????????? 326 ???? ????The heating of earths atmosphere due to tr apped r adiation is known as (Answer : D)
???????? ???????? ???????????? a) Global warming ????b) Glass-House ef f ect ????c) Thermal ef f ect ????d)Green House Ef f ect
???????????? 327 ???? ????Thickness of plastic cover permissible to use (Answer : C)
???????? ???????? ???????????? a) 50 Microns ????b) 20 Microns ????c) 100 Microns ????d)10 Microns
???????????? 328 ???? ????A biodegr adable plastic developed by Biopak Corpor ation Austr alia (Answer : A)
a) Biopol ????b) Pet ????c) Polyester ????d)PVC
???????????? 329 ???? ????The Residential and Commercial wastes mainly consist of: (Answer : A)
???????? ???????? ???????????? a) Food wastes ????b) Card board ????c) Packaging materials ????d)None of these
???????????? 330 ???? ????Lead in water can cause (Answer : C)
???????? ???????? ???????????? a) Eye disease ????b) Arthritis ????c) Kidney damage ????d)Hair f alling
???????????? 331 ???? ????Colorless odorless and non corrosive air pollutant is (Answer : C)
???????? ???????? ???????????? a) Sulphur dioxide ????b) Carbon monoxide ????c) Carbon dioxide ????d)Ozone
???????????? 332 ???? ????Disease aggr avated by air pollution is (Answer : C)
???????? ???????? ???????????? a) Choler a ????b) Rheumatism ????c) Bronchitis ????d)Haemophilia
???????????? 333 ???? ????Which of the f ollowing type of pollution can cause the outbreak of Jaundice (Answer : C)
???????? ???????? ???????????? a) Air ????b) Thermal ????c) Water ????d)Land
???????????? 334 ???? ?????Ozone Hole? is a _____________ (Answer : B)
???????? ???????? ???????????? a) Hole in the atmosphere b ????b) Destruction of ozone layer c ????c) Hole in the hydrosphere d ????d)Hole
in the troposphere
???????????? 335 ???? ?????Plumbism? is the disorder develops in man when exposed to..... (Answer : A)
???????? ???????? ???????????? a) a) Lead ????b) b) Mercury ????c) c) Arsenic ????d)d) CO
???????????? 336 ???? ????A pollutant not released by exhaust of automobiles is.... (Answer : C)
???????? ???????? ???????????? a) a) SO 2 ????b) b) CO ????c) c) Fly Ash ????d)d) Hydrocarbon gases
???????????? 337 ???? ????Acid r ain contains (Answer : A)
???????? ???????? ???????????? a) Sulphuric acid b ????b) Hydrochloric acid c ????c) Oxalic acid d ????d)Acetic acid
???????????? 338 ???? ????An example of natur al pollutant is (Answer : D)
???????? ???????? ???????????? a) a) Forest fire ????b) b) Natur al Organic Decay ????c) c) Volcanic eruptions ????d)d) All of the above
???????????? 339 ???? ????An example of non-biodegr adable pollutant is (Answer : B)
???????? ???????? ???????????? a) a) Sewage ????b) b) Plastic ????c) c) Litter ????d)d) Vegetable waste
???????????? 340 ???? ????Birth r ate is called (Answer : C)
???????? ???????? ???????????? a) mortality b ????b) vital index c ????c) natality d ????d)viability
???????????? 341 ???? ????Bishnoi women is connected to (Answer : B)
???????? ???????? ???????????? a) Hindi Film ????b) b) Chipko movement ????c) c) Climate change ????d)d) Women rights
???????????? 342 ???? ????BOD is used f or the measurement of .... (Answer : C)
???????? ???????? ???????????? a) a) Atmospheric pollution ????b) b) Soil pollution ????c) c) Water pollution ????d)d) Nuclear pollution
???????????? 343 ???? ????Causative organisms of Malaria (Answer : C)
???????? ???????? ???????????? a) Bacteria b ????b) Fungus c ????c) Plasmodium d ????d)Virus
???????????? 344 ???? ????Component not released in the burning coal is... (Answer : D)
???????? ???????? ???????????? a) a) NO 2 ????b) b) SO 2 ????c) c) Fly Ash ????d)d) O 2
???????????? 345 ???? ????Death r ate of the population (Answer : A)
???????? ???????? ???????????? a) Mortality b ????b) Viability c ????c) Natality d ????d)Vitality
???????????? 346 ???? ????Ear muf fs or Cotton plugs are used to reduce pollution of..... (Answer : B)
???????? ???????? ???????????? a) a) Air ????b) b) Noise ????c) c) Thermal ????d)d) Nuclear
???????????? 347 ???? ????EIA is the (Answer : C)
???????? ???????? ???????????? a) a) Economic Inf ormation Awareness ????b) b) Environmental Inf ormation Awareness ????c) c)
Environmental Impact Assessment ????d)d) Environmental Impact Avoidance
???????????? 348 ???? ????El Nino (Answer : A)
???????? ???????? ???????????? a) a) a climate cycle in the Pacific Ocean impacting global weather patterns ????b) b) Cold current in the
Atlantic influencing South American weather ????c) c) An annual underwater phenomenon af f ecting global weather
????d)d) A sub-sahar an hot wind af f ecting global climate.
???????????? 349 ???? ????Environmental Protection Act was introduced in the year (Answer : A)
???????? ???????? ???????????? a) 1986 b ????b) 1988 c ????c) 1972 d ????d)1989
???????????? 350 ???? ????Example f or a bio-degr adable polymer is (Answer : C)
???????? ???????? ???????????? a) Polyethylene b ????b) Polypropylene c ????c) Poly lactic acid d ????d)Polyester
???????????? 351 ???? ????Exposure of human body to r adiation may cause... (Answer : D)
???????? ???????? ???????????? a) a) Polio ????b) b) Gastroenteritis ????c) c) Haemophilia ????d)d) Leukemia
???????????? 352 ???? ????Increased heart beat, constriction of blood vessels and dilation of pupil are symptoms of.... (Answer :
A)
???????? ???????? ???????????? a) a) Sound pollution ????b) b) Thermal pollution ????c) c) Air pollution ????d)d) Nuclear pollution
???????????? 353 ???? ????India Government passed the Air act in the year (Answer : B)
???????? ???????? ???????????? a) a) 1991 ????b) b) 1981 ????c) c) 1982 ????d)d) 2001
???????????? 354 ???? ????Inf ection of HIV is usually detected by which test (Answer : A)
???????? ???????? ???????????? a) Elisa test b ????b) Hybridization c ????c) Gr am staining d ????d)None
???????????? 355 ???? ????IPCC (Answer : C)
???????? ???????? ???????????? a) a) International Panel on Climate Change ????b) b) International Peace Conf erence f or Climate ????c) c)
Intergovernmental Panel on Climate Change ????d)d) Intercontinental Plans f or Continuous
???????????? 356 ???? ????Largest source of air pollution in cities are .... (Answer : C)
???????? ???????? ???????????? a) a) Industries ????b) b) Sewage ????c) c) Automobiles ????d)d) Tanneries
???????????? 357 ???? ????Leader of ?Narmada Bachao Andolan? (Answer : B)
???????? ???????? ???????????? a) Vandana Siva b ????b) Medha Patkar c ????c) Menaka Gandhi d ????d)Mayilamma
???????????? 358 ???? ????Minamata disease is due to... (Answer : A)
???????? ???????? ???????????? a) a) Mercury poisoning ????b) b) Lead poisoning ????c) c) Arsenic poisoning ????d)d) Cadmium poisoning
???????????? 359 ???? ????Mullaperiyar dam is in the district? (Answer : C)
???????? ???????? ???????????? a) Thrissur b ????b) Pathanamthitta c ????c) Idukki d ????d)Alappuzha.
???????????? 360 ???? ????National Maritime Day of India is celebr ated on ______________ (Answer : B)
???????? ???????? ???????????? a) October 16 b ????b) April 05 c ????c) March 21 d ????d)May 22
???????????? 361 ???? ????Natur al earthquakes are caused by __________ (Answer : A)
???????? ???????? ???????????? a) Earth?s crust b ????b) deep seas c ????c) peak mountains d ????d)f orests
???????????? 362 ???? ????Noise is _______________ (Answer : C)
???????? ???????? ???????????? a) Huge sound b ????b) Sound of vehicles c ????c) Undesir able and unwanted sound d ????d)Sound of
cr ackers
???????????? 363 ???? ????Of ficial date of Earth Day is on _________ (Answer : A)
???????? ???????? ???????????? a) April 22 b ????b) March 21 c ????c) May 22 d ????d)June 05
???????????? 364 ???? ????On which date was the Stockholm Conf erence on Human Environment held? (Answer : C)
???????? ???????? ???????????? a) July 6th 1974 b ????b) Aug 8th 1976 c ????c) June 5th 1972 d ????d)Dec 12th 1990
???????????? 365 ???? ????One third of the global cases of Tuberculosis is in (Answer : C)
???????? ???????? ???????????? a) Britain b ????b) Sweden c ????c) India d ????d)China
???????????? 366 ???? ????Organ af f ected by pneumonia (Answer : D)
???????? ???????? ???????????? a) Liver b ????b) Kidney c ????c) Heart d ????d)Lungs.
???????????? 367 ???? ????Ozone (Answer : A)
???????? ???????? ???????????? a) a) strong poisonous f orm of Oxygen with 3 atoms in a molecule ????b) b) A mix of various gases
f orming a protective cover ????c) c) Purest f orm of Oxygen which increases its supply on earth ????d)d) a strong and
protective compound from Oxygen and Hydrogen
???????????? 368 ???? ????Ozone in lower atmosphere is an example of ... (Answer : B)
???????? ???????? ???????????? a) a) Primary pollutant ????b) b) Secondary pollutant ????c) c) Tertiary pollutant ????d)d) Not a pollutant
???????????? 369 ???? ????Ozone layer is (Answer : A)
???????? ???????? ???????????? a) A) 20 ? 50 km above the surf ace of the earth ????b) B) 70 to 90 kms above the earth ????c) C) 30 ? 40
kms below the earth ????d)D) 20 ? 50 kms below the sea level.
???????????? 370 ???? ????Ozone layer is situated in which str ata of artmosphere? (Answer : B)
???????? ???????? ???????????? a) Thermosphere ????b) (b) str atosphere ????c) (c) ionosphere ????d)(d) mesosphere
???????????? 371 ???? ????Poisonous gas caused Bhopal gas tr agedy (Answer : A)
???????? ???????? ???????????? a) Methyl isocyanate ????b) (b) Ethyl isocyante ????c) (c) Methyl isocyanide ????d)(d) Ethyl isocyamide
???????????? 372 ???? ????Presence of E. coli in water is an indication of (Answer : A)
???????? ???????? ???????????? a) Fecal contamination (b ????b) Lead contamination (c ????c) Vir al contamination (d ????d)Mercury
contamination
???????????? 373 ???? ????Public awareness of environment creates ___________ (Answer : A)
???????? ???????? ???????????? a) Environment protection b ????b) Environment degr adation c ????c) Environmental improvement d
????d)Environmental cultivation
???????????? 374 ???? ????Public Health is not dependent on (Answer : C)
???????? ???????? ???????????? a) a) saf e drinking water ????b) b) suf ficient f ood ????c) c) competitive market conditions ????d)d) good
social conditions
???????????? 375 ???? ????Rain water harvesting is a ma jor method implemented f or_____________ (Answer : A)
???????? ???????? ???????????? a) Water Conservation b ????b) Soil Conservation c ????c) Forest conservation d ????d)Ecological
conservation
???????????? 376 ???? ????Salmonellosis is a disease related to consumption of (Answer : D)
???????? ???????? ???????????? a) Chicken b ????b) Eggs c ????c) Mutton d ????d)Fish
???????????? 377 ???? ????Soil pollution is caused by.... (Answer : D)
???????? ???????? ???????????? a) a) Industrial wastes ????b) b) Detergents ????c) c) Agrochemicals ????d)d) All of these
???????????? 378 ???? ????Some pollutants combine with hemoglobin and impede oxygen tr ansport. Such pollutants are...
(Answer : C)
???????? ???????? ???????????? a) a) SO 3 ????b) b) N2 O ????c) c) CO ????d)d) All of these
???????????? 379 ???? ????Spr aying of DDT to kill insects causes pollution of..... (Answer : D)
???????? ???????? ???????????? a) a) Air ????b) b) Water ????c) c) Soil ????d)d) All of these
???????????? 380 ???? ????Superbugs are (Answer : B)
???????? ???????? ???????????? a) Synthetic bug b ????b) Bacteria c ????c) Radio nucleotide d ????d)Industries
???????????? 381 ???? ????The 3 R principle in waste management involves (Answer : B)
???????? ???????? ???????????? a) Reduce, Regain, Reuse b ????b) Reduce, Reuse, Recycle c ????c) Reduce, Ref orm, Reset d ????d)Reduce,
Retain, Regain
???????????? 382 ???? ????The Anthr ax disease is caused by (Answer : B)
???????? ???????? ???????????? a) Virus b ????b) Bacteria c ????c) Protozoa d ????d)Helminthes
???????????? 383 ???? ????The chemical structure of Ozone is (Answer : B)
???????? ???????? ???????????? a) O 2 ????b) O3 ????c) O4 ????d)OZ3
???????????? 384 ???? ????The controversial dam across the river Narmada? (Answer : A)
???????? ???????? ???????????? a) Sardar Sarovar b ????b) Hir akud c ????c) Bhakr anangal d ????d)Sutlej.
???????????? 385 ???? ????The deadliest Tsunami in recorded history took place on (Answer : A)
???????? ???????? ???????????? a) 26-Dec-2004 b ????b) 26-Dec-2000 c ????c) 15-Nov-1990 d ????d)15-Dec-1999
???????????? 386 ???? ????The environmental stresses caused by urban individuals are expressed by (Answer : B)
???????? ???????? ???????????? a) Ecological pyr amid ????b) (b) Ecological f ootprint ????c) (c) Ecological indicators ????d)(d) Ecological index
???????????? 387 ???? ????The Expansion of SPCA (Answer : B)
???????? ???????? ???????????? a) Society f or the Protection of Common Animals b ????b) Society f or the Prevention of Cruelty to
Animals c ????c) Society f or the Prohibition of Cruelty to Animals d ????d)none
???????????? 388 ???? ????The expansion on PQLI is (Answer : A)
???????? ???????? ???????????? a) physical quality of lif e index b ????b) population quotient of lif e in India c ????c) poor quality of lif e in
India d ????d)poverty, quality of lif e in India
???????????? 389 ???? ????The f unction of ozone layer (Answer : C)
???????? ???????? ???????????? a) a) to prevent strong wind and r ains ????b) b) to f acilitate precipitation at lower levels ????c) c) to protect
earth from sun?s harmf ul ultr a-violet r adiation ????d)d) to increase the supply of oxygen
???????????? 390 ???? ????The historical monument that is af f ected by acid r ain is (Answer : A)
???????? ???????? ???????????? a) Ta j Mahal b ????b) Pyr amid of Egypt c ????c) Pisa T ower d ????d)Golden Temple
???????????? 391 ???? ????The intensity of earthquake is measured in ____________ (Answer : B)
???????? ???????? ???????????? a) Beauf ort scale b ????b) Richter scale c ????c) Mohs scale d ????d)Joules
???????????? 392 ???? ????The ma jor cause of depletion of ozone layer in the atmosphere is... (Answer : B)
???????? ???????? ???????????? a) a) Freon Gases ????b) b) CFC ????c) c) N 2 O ????d)d) CO 2
???????????? 393 ???? ????The ma jor reason why earth?s surf ace increases its temper ature is due to (Answer : C)
???????? ???????? ???????????? a) a) The earth?s surf ace is getting exposed ????b) b) The increase in the use of plastics ????c) c) About
75% of the solar energy reaching the earth surf ace is getting absorbed by earth ????d)The depleation of ozone
???????????? 394 ???? ????The method of simultaneous integr ation of trees with agricultur al crops is called (Answer : A)
???????? ???????? ???????????? a) Agro f orestry b ????b) Def orestation c ????c) Ref orestation d ????d)combined culture
???????????? 395 ???? ????The most widely f ound pollutant in the air is..... (Answer : A)
???????? ???????? ???????????? a) a) CO 2 ????b) b) CFC ????c) c) CO ????d)d) SO 2
???????????? 396 ???? ????The movement ?Pani Pan jayath? was initiated to conserve waters in the drought prone areas of
...................state. (Answer : C)
???????? ???????? ???????????? a) Tamilnadu b ????b) Ra jasthan c ????c) Mahar ashtr a d ????d)Karnataka
???????????? 397 ???? ????The nations threatened by submergence on account of global warming (Answer : D)
???????? ???????? ???????????? a) a) Pakistan and Afghanistan ????b) b) Ir an and Bangladesh ????c) c) Peru and West Indies ????d)d)
Bangladesh and Maldives
???????????? 398 ???? ????The pro jected rise in sea level in the near f uture (Answer : C)
???????? ???????? ???????????? a) a) 1.5 m ????b) b) 1.2 cm to 2.2 cm ????c) c) 9 cm to 88 cm ????d)d) 10 cm to 20 cm
???????????? 399 ???? ????The pro jected rise in temper ature in the next f ew decades (Answer : B)
???????? ???????? ???????????? a) a) 1.5 to 2 O C ????b) b) 1.4 to 5.8 O C ????c) c) 2.5 to 3.9 O C ????d)d) 1.5 to 9.2 O C
???????????? 400 ???? ????The R?s in 3Rs Principle stand f or; (Answer : B)
???????? ???????? ???????????? a) a) Reduce, Readiness, Redo ????b) b) Reduce, Reuse, Recycle ????c) c) Reclaim, Remedy,
Remembr ance ????d)d) Reduce, Register, Redo
???????????? 401 ???? ????The term ?Nuclear winter? is associated with (Answer : D)
???????? ???????? ???????????? a) Nuclear War b ????b) Nuclear disarmament c ????c) Nuclear weapon testing d ????d)After ef f ect of a
nuclear explosion
???????????? 402 ???? ????The word Tsunami is derived from two Japanese words (Answer : B)
???????? ???????? ???????????? a) tsu(big) and nami(flow) ????b) tsu(harbour) and nami(wave) ????c) tsu(big wave) and nami(wave)
????d)None of these
???????????? 403 ???? ????The World Wetlands Day is celebr ated on ________ (Answer : A)
???????? ???????? ???????????? a) February 02 b ????b) February 28 c ????c) June 05 d ????d)March 21
???????????? 404 ???? ????T orrey Canyon is f amous f or (Answer : D)
???????? ???????? ???????????? a) Gulf of War b ????b) Industries c ????c) Electric Potential d ????d)Oil spillage
???????????? 405 ???? ????Utilisation of natur al resources in moder ate manner to remaining something f or the next gener ation is
termed as (Answer : B)
???????? ???????? ???????????? a) a) Resettlement ????b) b) Sustainable development ????c) c) Rehabilitation ????d)d) Mutual development
???????????? 406 ???? ????Vermi-composting is a natur al method of (Answer : A)
???????? ???????? ???????????? a) Producing compost manure b ????b) Producing worms c ????c) Managing waste it creates d
????d)Destroying worms
???????????? 407 ???? ????Water pollution is caused by.... (Answer : B)
???????? ???????? ???????????? a) a) CO ????b) b) Fertilizers ????c) c) PAN ????d)d) Fossil f uels
???????????? 408 ???? ????What are the chemicals that lead to acid r ain? (Answer : B)
???????? ???????? ???????????? a) A) hydrogen peroxide ????b) B) sulf ur dioxide & nitrogen oxide ????c) C) Carbon dioxide ????d)D)
Ammonium phosphate & various silicates.
???????????? 409 ???? ????What causes acid r ain? (Answer : B)
???????? ???????? ???????????? a) A) open def ecation ????b) B) burning of f ossil f uels ????c) C) increase spread of paddy fields ????d)D)
the use of cowdung.
???????????? 410 ???? ????What is ?Black Lung?? (Answer : A)
???????? ???????? ???????????? a) Occupational Hazard to the miners b ????b) Occupational Hazard to navigators c ????c) Occupational
Hazard to pesticide applicators. d ????d)None of these
???????????? 411 ???? ????What is ?tempor ary threshold shift?? (Answer : A)
???????? ???????? ???????????? a) Hearing loss due to excessive noise b ????b) Noise that is untoler able c ????c) T oler able noise d
????d)inaudible noise
???????????? 412 ???? ????What is Bagasse? What is it used f or? (Answer : A)
???????? ???????? ???????????? a) Sugar cane waste ? to make paper b ????b) Biogas ? used as f uel c ????c) Liquid waste ? as f ertilizer d
????d)Vermi compost ? as f ertilizer
???????????? 413 ???? ????What is Carcinogen? (Answer : C)
???????? ???????? ???????????? a) Drugs f or curing inf ectious disease b ????b) Drugs used f or curing cancer c ????c) Cancer causing
agent d ????d)Food colour ants
???????????? 414 ???? ????What is GIS? (Answer : A)
???????? ???????? ???????????? a) Geogr aphical Inf ormation System (b ????b) Geological Inf ormation System (c ????c) Geogr aphical Index
System (d ????d)Geogr aphical Inf ormation Status
???????????? 415 ???? ????What is meant by GM f oods? (Answer : B)
???????? ???????? ???????????? a) Growth modified f oods b ????b) Genetically modified f ood c ????c) Growth marked f oods d ????d)Good
mobility f ood
???????????? 416 ???? ????What is the aver age increase in temper ature over last century? (Answer : D)
???????? ???????? ???????????? a) a) 0.6 ????b) b) 0.2 ????c) c) 0.7 ????d)d) 0.8
???????????? 417 ???? ????Where was the Stockholm conf erence on Human Environment held? (Answer : A)
???????? ???????? ???????????? a) Sweden b ????b) Austria c ????c) India d ????d)Greece
???????????? 418 ???? ????Which among the f ollowing is a water borne disease? (Answer : A)
???????? ???????? ???????????? a) Choler a ????b) (b) Tuberculosis ????c) (c) AIDS ????d)(d) Dermatitis
???????????? 419 ???? ????Which blood cells get af f ected by HIV? (Answer : B)
???????? ???????? ???????????? a) RBC ????b) (b) Lymphocytes ????c) (c) Monocytes ????d)(d) Basophil
???????????? 420 ???? ????Which group of mosquitoes are the vectors of malaria? (Answer : C)
???????? ???????? ???????????? a) Culex ????b) (b) Aedes ????c) (c) Anopheles ????d)(d)Mansonia
???????????? 421 ???? ????Which heavy metal is the cause f or black f oot disease? (Answer : B)
???????? ???????? ???????????? a) Cadmium ????b) (b) Arsenic ????c) (c) Mercury ????d)(d) Lead
???????????? 422 ???? ????Which is the first state in India that enf orced a ban to the manuf acture and use of plastics (Answer :
C)
???????? ???????? ???????????? a) Ker ala ????b) West Bangal ????c) Uttarpr adesh ????d)Delhi
???????????? 423 ???? ????Which is the warmest year on record? (Answer : D)
???????? ???????? ???????????? a) a) 1998 ????b) b) 2010 ????c) c) 2015 ????d)d) 2016
???????????? 424 ???? ????Which of the f ollowing is considered a nuclear disaster ? (Answer : D)
???????? ???????? ???????????? a) a) Bhopal Tr agedy of 1984 ????b) b) Chernobyl USSR ????c) c) Three mile incident ????d)d) both b & c
???????????? 425 ???? ????Which one is an example f or megacity in India? (Answer : B)
???????? ???????? ???????????? a) Kochi ????b) (b) Mumbai ????c) (c) Bangalore ????d)(d) Madr as359.
???????????? 426 ???? ????Which one is the permanent sterilization method used f or f emales? (Answer : A)
???????? ???????? ???????????? a) Tubectomy ????b) (b) Vasectomy ????c) (c) Microtomy ????d)(d) Contr aceptive pills
???????????? 427 ???? ????Which state proposed a ban on all types of polythene packing f or the first time in India? (Answer : A)
???????? ???????? ???????????? a) Himachal Pr adesh b ????b) Madhya Pr adesh c ????c) Ker ala d ????d)Karnataka
???????????? 428 ???? ????Which year was declared as the ?Water Year? by Indian government (Answer : C)
???????? ???????? ???????????? a) 2010 b ????b) 2004 c ????c) 2007 d ????d)2000
???????????? 429 ???? ????Who coined the slogan of ?Chipko Movement ? Ecology is Permanent economy (Answer : C)
???????? ???????? ???????????? a) Jawaharlal Nehru b ????b) Salim Ali c ????c) Sunderlal Bahuguna d ????d)Rachel Carson
???????????? 430 ???? ????Who had stated in the Stockholm Conf erence in 1972 that poverty was the greatest polluter? (Answer :
A)
???????? ???????? ???????????? a) Indir a Gandhi b ????b) Mahatma Gandhi c ????c) Ra jiv Gandhi d ????d)Jawaharlal Nehru
???????????? 431 ???? ????Wild lif e protection act was f ormulated during the period of ______ (Answer : A)
???????? ???????? ???????????? a) Mrs. Indir a Gandhi b ????b) Lal Bahadur Shasthri c ????c) Ra jiv Gandhi d ????d)Mor ar ji Desai
???????????? 432 ???? ????With the signing of ---------------------- in 1987, a treaty f or the protection (Answer : D)
???????? ???????? ???????????? a) of ozone layer, the use of -------------- was to be banned by the year ............. ????b) a) Kyoto Protocol,
f ossil f uels, 2010 b) GATT, opium, 2000 ????c) c) BOLT, Ammonia, 2000 ????d)d) Montreal Protocol, CFCs, 2000
???????????? 433 ???? ????World Earth Day is observed on (Answer : D)
???????? ???????? ???????????? a) May 24 b ????b) July 5 c ????c) Aug 2 d ????d)April 22
???????????? 434 ???? ????World environment day is observed every year marks the anniversary of (Answer : B)
???????? ???????? ???????????? a) a) Ramsar Convention-1971 ????b) b) Stockholm conf erence-1972 ????c) c) Rio de Janerio Earth
Summit-1992 ????d)d) Indian Forest Conservation Act -1982
???????????? 435 ???? ????World Water Day is celebr ated on ___________ (Answer : C)
???????? ???????? ???????????? a) May 22 b ????b) June 05 c ????c) March 22 d ????d)May 11
???????????? 436 ???? ????Expand GIS (Answer : A)
???????? ???????? ???????????? a) Geogr aphical Inf ormation System ????b) Geogr aphical Inf ormation Source ????c) Geological
Inf ormation System ????d)Geological Index System
???????????? 437 ???? ????MoEF means (Answer : B)
???????? ???????? ???????????? a) Ministry of Forest and Energy ????b) Ministry of Environment and Forests ????c) Ministry of Fuel and
Energy ????d)Management of Environment and Forestry
???????????? 438 ???? ????Ozone layer is present in (Answer : B)
???????? ???????? ???????????? a) Troposphere ????b) Str atosphere ????c) Mesosphere ????d)Ionosphere
???????????? 439 ???? ????Sedimentation is a (Answer : A)
???????? ???????? ???????????? a) Primary water treatment ????b) Secondary water treatment ????c) Tertiary water treatment ????d)None
of these
???????????? 440 ???? ????Rain during November is more acidic than monsoon r ain due to (Answer : B)
???????? ???????? ???????????? a) Dissolved CO2 ????b) Dissolved SO2 ????c) Dissolved NO2 ????d)None of the above.
???????????? 441 ???? ????Which chemical was responsible f or Bhopal gas tr agedy? (Answer : A)
???????? ???????? ???????????? a) Methyl iso Cyanate ????b) Benzene Hexa Chloride ????c) Tri Nitro T oluene ????d)B & C
???????????? 442 ???? ????Ganga Action Plan in India was launched in the year _________ (Answer : B)
???????? ???????? ???????????? a) 1988 ????b) 1985 ????c) 1980 ????d)1978
???????????? 443 ???? ????What is the name of the action plan f or sustainable development in the Twenty first century fr amed
in the Rio Declar ation on Environment & Development (1992)? (Answer : B)
???????? ???????? ???????????? a) Action 21 ????b) Agenda 21 ????c) Rio 21 ????d)Declar ation 21
???????????? 444 ???? ????The unit of measurement of intensity of sound is in _________ (Answer : A)
???????? ???????? ???????????? a) Decibels ????b) Lux ????c) Parsec ????d)Candela
???????????? 445 ???? ????Enrichment of water body by nutrients like phosphorus and nitrogen called ____________________
(Answer : B)
???????? ???????? ???????????? a) Succession ????b) Eutrophication ????c) Str atification ????d)Climax Vegetation
???????????? 446 ???? ????The worst nuclear accident happened to date is occurred at ___________ (Answer : A)
???????? ???????? ???????????? a) Chernobyl in 1986 ????b) Three Mile Power Plant in 1979 ????c) Sellafield in 1957 ????d)Fukushima in 2011
???????????? 447 ???? ????Ma jor cause of Ozone depletion is due to which chemical? (Answer : A)
???????? ???????? ???????????? a) ChloroFluoroCarbons ????b) Polyphenols ????c) Dioxins ????d)Rayon
???????????? 448 ???? ????The legally binding international agreement to reduce Greenhouse gases by 5% 2012 is _________
(Answer : C)
???????? ???????? ???????????? a) Vienna convention ????b) Montreal Protocol ????c) Kyoto Protocol ????d)None of the above
???????????? 449 ???? ????Which of the f ollowing enhances soil f ertility? (Answer : A)
???????? ???????? ???????????? a) Crop rotation ????b) Improved methods of agriculture ????c) Using new seed varieties ????d)Irrigation
???????????? 450 ???? ????Salinization is ______________________ (Answer : B)
???????? ???????? ???????????? a) Accumulation of salts in water ????b) Accumulation of salts in soil ????c) Accumulation of salts in body
????d)Accumulation of salts in animals
???????????? 451 ???? ????What is oil slick? (Answer : C)
???????? ???????? ???????????? a) Boiled oil ????b) Cooled oil ????c) Thin film of oil in sea water ????d)Oil in deep sea
???????????? 452 ???? ????Cigarette smoking exposes one to __________ (Answer : D)
???????? ???????? ???????????? a) Sulphur dioxide ????b) Carbon dioxide ????c) Nitrogen peroxide ????d)Carbon monoxide
???????????? 453 ???? ????Ozone Hole is a _____________ (Answer : B)
???????? ???????? ???????????? a) Hole in the atmosphere ????b) Destruction of ozone layer ????c) Hole in the hydrosphere ????d)Hole in
the troposphere
???????????? 454 ???? ????Euro II standard ref ers to _________ (Answer : C)
???????? ???????? ???????????? a) Lowering sulf ur content in f uel ????b) Increasing sulf ur content in f uel ????c) Lowering carbon content
in f uel ????d)increasing carbon content in f uel
???????????? 455 ???? ????What is tempor ary threshold shift? (Answer : A)
???????? ???????? ???????????? a) Hearing loss due to excessive noise ????b) Noise that is untoler able ????c) T oler able noise ????d)Inaudible
noise
???????????? 456 ???? ????Acid is an example of _____________ (Answer : A)
???????? ???????? ???????????? a) Corrosive waste ????b) Inf ectious waste ????c) Radioactive waste ????d)Ignitable waste
???????????? 457 ???? ????Any unf avor able alter ation of the environment may be called as (Answer : B)
???????? ???????? ???????????? a) Eutrophication ????b) Environmental pollution ????c) Biomagnification ????d)Bioaccumulation
???????????? 458 ???? ????The presence of solid, liquid or gaseous compounds, which may not be normally present, or in excess
concentr ation in the atmosphere is called (Answer : A)
???????? ???????? ???????????? a) Air pollution ????b) Water pollution ????c) Soil pollution ????d)Radioactive pollution
???????????? 459 ???? ????The depletion of trees is causing accumulation of (Answer : C)
???????? ???????? ???????????? a) NO2 ????b) SO2 ????c) CO2 ????d)O2
???????????? 460 ???? ????Smog is a (Answer : A)
???????? ???????? ???????????? a) Natur al phenomenon ????b) colourless gas ????c) combination of smoke and f og ????d)None of the
above
???????????? 461 ???? ????Air pollution from automobiles can be controlled by fitting (Answer : C)
???????? ???????? ???????????? a) Electrostatic precipitator ????b) wet scrubber ????c) Catalytic converter ????d)All the above.
???????????? 462 ???? ????Minamata disease is caused by (Answer : B)
???????? ???????? ???????????? a) Lead ????b) Mercurry ????c) Cadmium ????d)Arsenic
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???????????? 12 ???? ????World Environment Day (Answer : A)
???????? ???????? ???????????? a) 5th June ????b) 5th July ????c) 5th August ????d)5th September
???????????? 13 ???? ????The biggest award f or environmental activities in India is given in the name of an individual. In whose
name is it constituted? (Answer : C)
???????? ???????? ???????????? a) Lal Bahadur Shasthri ????b) Mor ar ji Desai ????c) Indir a Gandhi ????d)Kamar a j.
???????????? 14 ???? ????All f orms of water that comes down on Earth, including r ain, snow, hail etc. is known as _____________
(Answer : C)
???????? ???????? ???????????? a) Calcification ????b) Fixation ????c) Precipitation ????d)Accumulation
???????????? 15 ???? ????The ocean covers ________ percentage of Earth?s surf ace. (Answer : C)
???????? ???????? ???????????? a) 515 ????b) 0.61 ????c) 0.71 ????d)0.91
???????????? 16 ???? ????The portion of the earth and its environment which can support lif e is known as _________ (Answer : B)
???????? ???????? ???????????? a) Crust ????b) Biosphere ????c) Exosphere ????d)Atmosphere
???????????? 17 ???? ????What is troposphere? (Answer : C)
???????? ???????? ???????????? a) Portion of air ????b) Portion of water ????c) Lowest layer of atmosphere where we survive
????d)Portion of sky
???????????? 18 ???? ????The main energy source f or the environment is ________ (Answer : A)
???????? ???????? ???????????? a) Solar energy ????b) Chemical energy ????c) Bioelectric energy ????d)Electrical energy
???????????? 19 ???? ????What is UNCED? (Answer : C)
???????? ???????? ???????????? a) United Nations Conf erence on Education ????b) United Nations Conf erence on Environmental Day
????c) United Nations Conf erence on Environment and Development ????d)None of these.
???????????? 20 ???? ????Atmospheric humidity is measured by (Answer : C)
???????? ???????? ???????????? a) Auxanometer ????b) Photometer ????c) Hygrometer ????d)None
???????????? 21 ???? ????The area to which a species is biologically adapted to live is known (Answer : B)
???????? ???????? ???????????? a) Niche ????b) Habitat ????c) Succession ????d)Community
???????????? 22 ???? ????Study of inter-relationship between organisms and their environment is called (Answer : A)
???????? ???????? ???????????? a) Ecology ????b) Ecosystem ????c) Phytogeogr aphy ????d)Ethology
???????????? 23 ???? ????The term Ecology was coined by (Answer : B)
???????? ???????? ???????????? a) A.G.Tansley ????b) Earnst Haeckel ????c) Aristotle ????d)Linnaeus
???????????? 24 ???? ????An example of an abiotic component (Answer : B)
???????? ???????? ???????????? a) Plants ????b) Soil ????c) Animals ????d)Bacteria
???????????? 25 ???? ????The area to which a species is biologically adapted to live is known (Answer : B)
???????? ???????? ???????????? a) Niche ????b) Habitat ????c) Succession ????d)Community
???????????? 26 ???? ????The objective of environmental education is (Answer : D)
???????? ???????? ???????????? a) Raise consciousness about environmental education ????b) T o teach environmentally appropriate
behaviour ????c) Create an environmental ethic that f osters awareness about ecological inter-dependence of economics,
social and political ????d)All of the above
???????????? 27 ???? ????Which of the f ollowing is not influenced by human activities? (Answer : A)
???????? ???????? ???????????? a) Depletion of ground water ????b) Destruction of mangroves and wetlands ????c) Increased extinction
r ate of species ????d)None of the above
???????????? 28 ???? ????Environmental education is important only at (Answer : D)
???????? ???????? ???????????? a) Primary school stage ????b) Secondary school stage ????c) Collage stage ????d)All stages
???????????? 29 ???? ????Which of the f ollowing conceptual components of the environment are ef f ective tr ansporters of
matter? (Answer : A)
???????? ???????? ???????????? a) Atmosphere and hydrosphere ????b) (b) Atmosphere and lithosphere ????c) (c) Hydrosphere and
lithosphere ????d)(d) Lithosphere and biosphere
???????????? 30 ???? ????Biosphere is (Answer : B)
???????? ???????? ???????????? a) (a) The solid shell of inorganic materials on the surf ace of the Earth ????b) (b) The thin shell of
organic matter on the surf ace of earth comprising of all the living things ????c) (c) The sphere which occupies the
maximum volume of all the spheres ????d)(d) All of the above
???????????? 31 ???? ????Which of the f ollowing conceptual sphere of the environment is having the least stor age capacity f or
matter? (Answer : A)
???????? ???????? ???????????? a) (a) Atmosphere ????b) (b) Lithosphere ????c) (c) Hydrosphere ????d)(d) Biosphere
???????????? 32 ???? ????Which of the f ollowing is an example of impact of development activities on the Hydrosphere? (Answer
: D)
???????? ???????? ???????????? a) (a) Air pollution ????b) (b) Soil pollution ????c) (c) Soil erosion ????d)(d) Water pollution
???????????? 33 ???? ????Weather occurs in the Earths: (Answer : A)
???????? ???????? ???????????? a) (a) Troposhere ????b) (b) Mesophere ????c) (c) Ionosphere ????d)(d) Thermosphere
???????????? 34 ???? ????Biosphere is a term used to represent the: (Answer : C)
???????? ???????? ???????????? a) (a) Entire atmosphere consisting of troposphere, str atosphere, mesosphere, and thermosphere
????b) (b) Entire hydrosphere-representing the entire collection of water over the Earth as well as inside the Earth ????c) (c)
A small zone of Earth, where the lithosphere, hydrosphere, and atmosphere come in contact with one another ????d)(d)
Entire lithosphere-representing the solid Earth and its interior
???????????? 35 ???? ????The term ecology was introduced by: (Answer : A)
???????? ???????? ???????????? a) (a) Haeckel ????b) (b) Odum ????c) (c) Tansely ????d)(d) Ramdeo Mishr a
???????????? 36 ???? ????The study of inter actions between living and non-living organisms and environment is called (Answer :
B)
???????? ???????? ???????????? a) (a) Ecosystem ????b) (b) Ecology ????c) (c) Phyto-geogr aphy ????d)(d) Phytosociology
???????????? 37 ???? ????An ecosystem consist of (Answer : D)
???????? ???????? ???????????? a) (a) Green plants and animals ????b) (b) Green plants and decomposers ????c) (c) Producers and
consumers ????d)(d) Green plants, animals, decomposers and abiotic environment
???????????? 38 ???? ????The environment which has been modified by human activities is called (Answer : B)
???????? ???????? ???????????? a) (a) Natur al environment ????b) (b) Anthropogenic environment ????c) (c) Modem environment ????d)(d)
Urban environment
???????????? 39 ???? ????Which of the f ollowing statements is not true? (Answer : C)
???????? ???????? ???????????? a) (a) Inorganic nutrients are recycled in an ecosystem ????b) (b) Energy flows through the ecosystem
in the f orm of C-C bonds ????c) (c) Energy is recycled in an ecosystem ????d)(d) Respir ation process releases energy
???????????? 40 ???? ????Driving f orce in an ecosystem is (Answer : C)
???????? ???????? ???????????? a) (a) Plants ????b) (b) Producers ????c) (c) Solar energy ????d)(d) Biomass energy
???????????? 41 ???? ????Physical and chemical components of an ecosystem constitute (Answer : C)
???????? ???????? ???????????? a) (a) Biotic structure ????b) (b) Abioltic structure ????c) (c) Both of these ????d)(d) None of these
???????????? 42 ???? ????Which one of the f ollowing is an abiotic component of the ecosystem? (Answer : C)
???????? ???????? ???????????? a) (a) Bacteria ????b) (b) Plants ????c) (c) Humus ????d)(d) Fungi
???????????? 43 ???? ????Which of the f ollowing is a possible producer in an ecosystem? (Answer : A)
???????? ???????? ???????????? a) (a) Plants ????b) (b) Animals ????c) (c) Human beings ????d)(d) Fish
???????????? 44 ???? ????The organisms which f eed on dead organisms and excreta of living organisms are known (Answer : A)
???????? ???????? ???????????? a) (a) Decomposers ????b) (b) Consumers ????c) (c) Producers ????d)(d) Carnivores
???????????? 45 ???? ????A trophic level ref ers to: (Answer : C)
???????? ???????? ???????????? a) (a) Area in the tropics ????b) (b) An organism?s portion in a f ood chain ????c) (c) An organism?s
position in an ecosystem ????d)(d) An organism?s position in a biome
???????????? 46 ???? ????In a f ood chain animals constitute the: (Answer : C)
???????? ???????? ???????????? a) (a) First trophic level ????b) (b) Second trophic level ????c) (c) Intermediate trophic level ????d)(d)
Ultimate trophic level
???????????? 47 ???? ????The f ood chain in which microorganisms breakdown dead producers is called: (Answer : D)
???????? ???????? ???????????? a) (a) Consumer f ood chain ????b) (b) Predator f ood chain ????c) (c) Par asitic f ood chain ????d)(d) Detritus
f ood chain
???????????? 48 ???? ????Food chain starts with (Answer : A)
???????? ???????? ???????????? a) (a) Producer ????b) (b) Herbivores ????c) (c) Carnivores ????d)(d) Omnivores
???????????? 49 ???? ????In a f ood chain, humans are (Answer : D)
???????? ???????? ???????????? a) (a) Secondary consumers ????b) (b) Primary consumer ????c) (c) Producers ????d)(d) Primary and
secondary consumers both
???????????? 50 ???? ????Which one is the correct f ood chain? (Answer : A)
???????? ???????? ???????????? a) (a) Phytoplankton ?? Zooplankton ?? Fish ????b) (b) Zooplankton ?? Phytoplankton ?? Fish ????c)
(c) Zooplankton ?? Protozoans ?? Fish ????d)(d) Gr ass ?? Fish ?? Zooplankton
???????????? 51 ???? ????A f ood web consists of (Answer : A)
???????? ???????? ???????????? a) (a) Interlocking f ood chains ????b) (b) Producers, consumers and decomposers ????c) (c) A portion of
a f ood chain ????d)(d) A set of similar consumers
???????????? 52 ???? ????Food webs are (Answer : C)
???????? ???????? ???????????? a) (a) One kind of f ood ????b) (b) Not related to f ood chains at all ????c) (c) Inter-connected arr angement
of f ood chains ????d)(d) Linear arr angement of f ood chains
???????????? 53 ???? ????Pyr amid of number is given by (Answer : C)
???????? ???????? ???????????? a) (a) Haeckel ????b) (b) Odum ????c) (c) Elton ????d)(d) Tansely
???????????? 54 ???? ????Which ecological pyr amid is always upright? (Answer : C)
???????? ???????? ???????????? a) (a) Pyr amid of number ????b) (b) Pyr amid of biomass ????c) (c) Pyr amid of energy ????d)(d) Pyr amid of
number and biomass
???????????? 55 ???? ????An ecological pyr amid ref ers to the (Answer : D)
???????? ???????? ???????????? a) (a) Pyr amid of energy ????b) (b) Pyr amid of number ????c) (c) Pyr amid of biomass ????d)(d) All of the
above
???????????? 56 ???? ????An ecosystem may not undergo changes because: (Answer : A)
???????? ???????? ???????????? a) (a) It is in a state of homeostasis ????b) (b) It has plants and animals both ????c) (c) It gets solar
energy continuously ????d)(d) The decomposers are present in it
???????????? 57 ???? ????Energy flow in an ecosystem is always: (Answer : A)
???????? ???????? ???????????? a) (a) Unidirectional ????b) (b) Cyclic ????c) (c) Reversible ????d)(d) Multi-directional
???????????? 58 ???? ????The primary producers in a f orest ecosystem are: (Answer : A)
???????? ???????? ???????????? a) (a) Chlorophyll containing trees and plants ????b) (b) Herbivores ????c) (c) Carnivores ????d)(d) Bacteria
and other micro-organism
???????????? 59 ???? ????The desert among the f ollowing which is not a cold desert is: (Answer : D)
???????? ???????? ???????????? a) (a) Golbi desert ????b) (b) Patagonian desert ????c) (c) Atacama desert ????d)(d) Ma java desert
???????????? 60 ???? ????The darker zone in lakes where light penetr ation is negligible is called the: (Answer : D)
???????? ???????? ???????????? a) (a) Euphotic zone ????b) (b) Littor al zone ????c) (c) Limnetic zone ????d)(d) Benthic zone
???????????? 61 ???? ????The zone of a sea lying over the continental shelf is known as the: (Answer : B)
???????? ???????? ???????????? a) (a) Bathyl zone ????b) (b) Neritic zone ????c) (c) Abyssal zone ????d)(d) Littor al zone
???????????? 62 ???? ????Which one of the f ollowing is not a fresh water biome? (Answer : A)
???????? ???????? ???????????? a) (a) Lotic ????b) (b) Lentic ????c) (c) Spings ????d)(d) Deep sea
???????????? 63 ???? ????Tendency of pollutants to become concentr ated in successive trophic levels is known as: (Answer : A)
???????? ???????? ???????????? a) (a) Biomagnification ????b) (b) Biorhythm ????c) (c) Bioremediation ????d)(d) Biopir acy
???????????? 64 ???? ????Eutrophication is: (Answer : B)
???????? ???????? ???????????? a) (a) An improved water quality status of lakes ????b) (b) The result of accumulation of plant nutrients
in water bodies ????c) (c) A process in the carbon cycle ????d)(d) A water purification technique
???????????? 65 ???? ????Increase in f auna and decrease in flor a would be harmf ul due to increase in: (Answer : B)
???????? ???????? ???????????? a) (a) Diseases ????b) (b) CO ????c) (c) O2 ????d)(d) Radioactive pollution
???????????? 66 ???? ????The largest reservoir of nitrogen an our planet is: (Answer : B)
???????? ???????? ???????????? a) (a) Ocean ????b) (b) Atmosphere ????c) (c) Biosphere ????d)(d) Fossil f uels
???????????? 67 ???? ????Overgr azing results in: (Answer : A)
???????? ???????? ???????????? a) (a) Soil erosion ????b) (b) Retention of usef ul species ????c) (c) Productive soils ????d)(d) All of the
above
???????????? 68 ???? ????In the world, the economy of the India is: (Answer : D)
???????? ???????? ???????????? a) (a) Largest ????b) (b) Third largest ????c) (c) Second largest ????d)(d) Fourth largest
???????????? 69 ???? ????In services output, India is: (Answer : C)
???????? ???????? ???????????? a) 10 ????b) 12 ????c) 15 ????d)4
???????????? 70 ???? ?????Smog? is a mixture of (Answer : A)
???????? ???????? ???????????? a) a) Smoke and Fog ????b) (b) Snow and Fog ????c) ( c) Snow and Dust ????d)(d) Sulphur Dioxide and
Fog
???????????? 71 ???? ????A liquid f uel that was f ormed from the ancient remains of sea plants and animals is (Answer : B)
???????? ???????? ???????????? a) Natur al gasb ????b) Petroleumc ????c) Geothermal energyd ????d)Coal
???????????? 72 ???? ????A poisonous gas given out of vehicles exhaust is (Answer : A)
a) Carbon monoxideb ????b) Ethanec ????c) Methaned ????d)Carbon dioxide
???????????? 73 ???? ????A product of photosynthesis is (Answer : C)
???????? ???????? ???????????? a) Carbon dioxideb ????b) Waterc ????c) Oxygend ????d)Chlorophyll
???????????? 74 ???? ????Atmosphere consists of 79 percent Nitrogen and 21 percent Oxygen by (Answer : B)
???????? ???????? ???????????? a) Volumeb ????b) Weightc ????c) Densityd ????d)All of these
???????????? 75 ???? ????Biogas contains mainly (Answer : B)
???????? ???????? ???????????? a) Carbon dioxideb ????b) Methanec ????c) Butaned ????d)Propane
???????????? 76 ???? ????Carbon dioxide constitutes about 0.03% of the atmosphere (Answer : A)
???????? ???????? ???????????? a) By volume(b ????b) By weight(c ????c) By mass(d ????d)None of these
???????????? 77 ???? ????Development activities on the hydrosphere cause (Answer : C)
???????? ???????? ???????????? a) Air pollutionb ????b) Soil pollutionc ????c) Water pollutiond ????d)Soil erosion
???????????? 78 ???? ????Energy flow in an ecosystem is (Answer : C)
???????? ???????? ???????????? a) Bidirectionalb ????b) Unidirectionalc ????c) Multidirectionald ????d)All rounds
???????????? 79 ???? ????Energy from the heat inside the earth is (Answer : B)
???????? ???????? ???????????? a) a Natur al gas ????b) Geothermalc ????c) Petroleumd ????d)Terr athermal
???????????? 80 ???? ????Energy in the r ays from the sun is called (Answer : A)
???????? ???????? ???????????? a) Solar energyb ????b) Wind energyc ????c) Tidal energyd ????d)Water energy
???????????? 81 ???? ????Environment is the lif e support system that includes (Answer : D)
???????? ???????? ???????????? a) Airb ????b) Waterc ????c) Landd ????d)All of the above
???????????? 82 ???? ????Extensive planting of trees to increase cover is called (Answer : A)
???????? ???????? ???????????? a) Af f orestation(b ????b) Agrof orestation(c ????c) Def orestation(d ????d)Social f orestry
???????????? 83 ???? ????Extensive planting of trees to increase f orest cover is called (Answer : A)
???????? ???????? ???????????? a) Af f orestation, b ????b) Agrof orestry, c ????c) Def orestation, d ????d)Social f orestry
???????????? 84 ???? ????Forest and wild lif e are (Answer : A)
???????? ???????? ???????????? a) Renewable resource(b ????b) Non-renewable resources (c ????c) Inexhaustible resources (d ????d)None
of these
???????????? 85 ???? ????Forests prevent soil erosion by binding soil particles in their (Answer : B)
???????? ???????? ???????????? a) Leaves(b ????b) Roots(c ????c) Buds(d ????d)Stems
???????????? 86 ???? ????Formation of hole in Ozone is maximum over (Answer : C)
???????? ???????? ???????????? a) Indiab ????b) Europec ????c) Antarcticad ????d)Africa
???????????? 87 ???? ????Fossil f uel and metallic miner als are: (Answer : C)
???????? ???????? ???????????? a) Renewable resource (b ????b) Inexhaustible resources (c ????c) Non-renewable resources (d ????d)None
of these
???????????? 88 ???? ????Green house ef f ect is linked to (Answer : C)
???????? ???????? ???????????? a) Nitrogen oxidesb ????b) Sulphur dioxidesc ????c) Carbon dioxidesd ????d)Carbon monoxides
???????????? 89 ???? ????In our country the percentage of land under f orest is about: (Answer : B)
???????? ???????? ???????????? a) 20%(b ????b) 19%(c ????c) 25%(d ????d)30%
???????????? 90 ???? ????In respect of water crisis, there have been conflicts/disputes between two countries, or states of the
same country. Which of the f ollowing has never been the case of water conflict? (Answer : D)
???????? ???????? ???????????? a) Cauvery water dispute between Tamil Nadu and Karnataka (b ????b) Yamuna-Betwa dispute between
U.P. and M.P. (c ????c) Sutlej Yamuna Link (SYL ????d)canal dispute between Pun jab and Haryana (d
???????????? 91 ???? ????Instrumentation technology used to locate suitable places f or mining (Answer : C)
???????? ???????? ???????????? a) a) Microscope ????b) b) Salinometer ????c) c) GIS ????d)d) camer a tr ap
???????????? 92 ???? ????Kaveri water dispute is in between: (Answer : D)
???????? ???????? ???????????? a) India and Pakistan (b ????b) Pun jab and Haryana (c ????c) Uttar Pr adesh and Madhya Pr adesh (d
????d)Karnataka and Tamil Nadu
???????????? 93 ???? ????Khetri (Ra jasthan) is f amous f or: (Answer : B)
???????? ???????? ???????????? a) Coal mines(b ????b) Copper mines(c ????c) Gr anite stone(d ????d)Marble stone
???????????? 94 ???? ????Main source of acid r ain is (Answer : A)
???????? ???????? ???????????? a) Sulphur dioxideb ????b) Nitrogenc ????c) Carbon dioxided ????d)Carbon monoxide
???????????? 95 ???? ????Ma jor consumer of wood from f orest is ___________ (Answer : B)
???????? ???????? ???????????? a) Thermal Power Plant ????b) Paper Industry ????c) Chemistry Industry ????d)none
???????????? 96 ???? ????Moisture in the air is known as (Answer : D)
???????? ???????? ???????????? a) a) Water ????b) (b) Fog ????c) ( c) Snow ????d)(d) Humidity
???????????? 97 ???? ????Name the country which virtually closed cod fishery in the 1990?s due to depletion of fish reserves
(Answer : A)
???????? ???????? ???????????? a) a) Canada ????b) b) Argentina ????c) c) Italy ????d)d) India
???????????? 98 ???? ????Name the financial agency which hesistate to support the Sardar Sarovar Pro ject in India in 1993 a result
of the demands of local people threatened with the loss of their livelihoods and homes in the submergence area.
(Answer : B)
???????? ???????? ???????????? a) a) Swiss bank ????b) b) World Bank ????c) c) Bank of India ????d)d) International Monetary Fund
???????????? 99 ???? ????Nitrogen constitutes about 78% of the atmosphere (Answer : C)
???????? ???????? ???????????? a) By weight(b ????b) By mass(c ????c) By volume(d ????d)None of these
???????????? 100 ???? ????Noise is measured by sound meter and the unit is (Answer : C)
???????? ???????? ???????????? a) Hertzb ????b) Joulec ????c) Decibeld ????d)Seconds
???????????? 101 ???? ????One of India?s serious environmental problems is f orest degr adation. What is the main cause of f orest
degr adation? (Answer : A)
???????? ???????? ???????????? a) timber extr action ????b) honey extr action ????c) high altitude ????d)Low Rainf all
???????????? 102 ???? ????Ozone day is observed on (Answer : B)
???????? ???????? ???????????? a) 3rd Januaryb ????b) 16th Septemberc ????c) 10th Novemberd ????d)26th March
???????????? 103 ???? ????Ozone Umbrella is located in which layer of atmosphere (Answer : B)
???????? ???????? ???????????? a) a) Troposphere ????b) (b) Str atosphere ????c) (c) Mesosphere ????d)(d) Ionosphere
???????????? 104 ???? ????Peeling of Ozone umbrella, which protects us from UV r ays, is caused by (Answer : B)
???????? ???????? ???????????? a) Carbon monoxideb ????b) CFCsc ????c) Coal burningd ????d)Methane
???????????? 105 ???? ????Soil erosion removes surf ace soil which contains (Answer : A)
???????? ???????? ???????????? a) Organic matterb ????b) Plant nutrientsc ????c) Both a and bd ????d)none of the above
???????????? 106 ???? ????Sustainable development means (Answer : C)
???????? ???????? ???????????? a) a. meeting present needs without compromising on f uture needs ????b) b. progress of human beings
????c) c. balance between human needs and the ability of earth to provide the resources ????d)d. all of the above
???????????? 107 ???? ????The adverse ef f ect of modern agriculture is (Answer : B)
???????? ???????? ???????????? a) Water pollutionb ????b) Soil degr adationc ????c) Water loggingd ????d)All of the above
???????????? 108 ???? ????The f ossil f uel that is derived from the dead remains of plants that grew some 250 million years ago is
(Answer : C)
???????? ???????? ???????????? a) Petroleumb ????b) Natur al gasc ????c) Coald ????d)LPG
???????????? 109 ???? ????The impact of construction of dams (Answer : D)
???????? ???????? ???????????? a) Submerged f orest b ????b) Loss of wild lif e habitat c ????c) Damages downstream ecosystem d ????d)All
of the above
???????????? 110 ???? ????The ma jor cause f or land degr adation in our country is (Answer : A)
???????? ???????? ???????????? a) Soil erosion(b ????b) Pollution of soil(c ????c) Water-logging(d ????d)None of the above
???????????? 111 ???? ????The ma jor reason f or floods in the rivers Ganges and Br ahmaputr a is ________ (Answer : B)
???????? ???????? ???????????? a) a) Dams in Himalayas ????b) b) Def orestation in Himalayas ????c) c) Heavy r ains ????d)d) Melting of ice
???????????? 112 ???? ????The method of r ainwater harvesting which can be adopted by individual house owners is (Answer : D)
???????? ???????? ???????????? a) Construction of recharge trenches (b ????b) On channel stor age of water (c ????c) Creation of new
water bodies (d ????d)Roof-top r ainwater harvesting
???????????? 113 ???? ????The percentage of total world?s precipitation, which is lost to the atmosphere through evapor ation,
approximates to: (Answer : A)
???????? ???????? ???????????? a) 57%(b ????b) 7%(c ????c) 37%(d ????d)43%
???????????? 114 ???? ????The process of restoring f orests that once existed but was removed at some time in the past is known
as (Answer : B)
???????? ???????? ???????????? a) Af f orestationb ????b) Ref orestationc ????c) Def orestationd ????d)None of these
???????????? 115 ???? ????The share of Hydropower (Hydel pro jects) in worlds commercial electricity production is less than ________
(Answer : D)
???????? ???????? ???????????? a) 2.00% ????b) 4.00% ????c) 12.00% ????d)20.00%
???????????? 116 ???? ????The species restricted to be present in one region are called (Answer : B)
???????? ???????? ???????????? a) Edge speciesb ????b) Endemic species c ????c) Endangered species d ????d)Keystone species
???????????? 117 ???? ????The teeth are likely to be pitted, more susceptible to cavities and wear, when the fluoride concentr ation
is: (Answer : D)
???????? ???????? ???????????? a) More than 2 mg/1 (b ????b) More than 40 mg/1 (c ????c) More than 20 mg/1 (d ????d)More than 4 mg/1
???????????? 118 ???? ????The term ?Environment? has been derived from the French word which means to encircle or surround
(Answer : A)
???????? ???????? ???????????? a) Environb ????b) Oikosc ????c) Geod ????d)Aqua
???????????? 119 ???? ????Wetlands in the flood plains of rivers are also considered as nature?s ________ (Answer : C)
???????? ???????? ???????????? a) a) Heat sink ????b) b) carbon sink ????c) c) flood control systems ????d)d) swimming pool
???????????? 120 ???? ????What are rodenticides? (Answer : C)
???????? ???????? ???????????? a) that kill fishes ????b) that kill insects ????c) that kill r ats ????d)that kill crocos
???????????? 121 ???? ????What is Kyoto Protocol? (Answer : A)
???????? ???????? ???????????? a) a. It is an agreement among countries to take steps f or reducing global warming. ????b) b. It is an
agreement among countries to take steps f or reducing acid r ain. ????c) c. It is an agreement among countries to take steps
f or planting trees to control pollution. ????d)d. It is an agreement among countries to start using nuclear energy.
???????????? 122 ???? ????What is the ma jor limiting f actor in the arid areas of our country? (Answer : C)
???????? ???????? ???????????? a) a) Money ????b) b) f orests ????c) c) water ????d)d) soil
???????????? 123 ???? ????What kind of people are the most ill-af f ected by the construction of dams? (Answer : D)
???????? ???????? ???????????? a) a) Urban dwellers ????b) b) beach dwellers ????c) c) tourists ????d)d) tribal people
???????????? 124 ???? ????When fluoride concentr ation in H2O exceeds about 1.5 mg/1, the disease that may be caused, is
(Answer : B)
???????? ???????? ???????????? a) Dental caries in children(b ????b) Fluorosis(c ????c) Polymyelitis(d ????d)Methemoglobinemia
???????????? 125 ???? ????Which among the f ollowing is a sedimentary type of cycle? (Answer : A)
???????? ???????? ???????????? a) Sulphur cycle(b ????b) Nitrogen cycle(c ????c) Oxygen cycle(d ????d)Carbon cycle
???????????? 126 ???? ????Which gas is responsible f or ozone layer depletion around earth? (Answer : B)
???????? ???????? ???????????? a) Carbon dioxideb ????b) Chlorofluorocarbonsc ????c) Oxygend ????d)Nitrogen oxide
???????????? 127 ???? ????Which gas is responsible f or the global warming? (Answer : B)
???????? ???????? ???????????? a) Nitrogenb ????b) Carbon dioxidec ????c) Noble gasesd ????d)Hydrogen
???????????? 128 ???? ????Which is a list of renewable resources? (Answer : D)
???????? ???????? ???????????? a) Petroleum, geothermal, wind b ????b) Biomass, geothermal, hydropower c ????c) Natur al gas, wind,
biomass d ????d)Hydropower, solar, wind energy
???????????? 129 ???? ????Which is the only country who has not r atified the Kyoto Protocol yet? (Answer : A)
???????? ???????? ???????????? a) United States ????b) Austr alia ????c) Japan ????d)India
???????????? 130 ???? ????Which of below items is the ma jor sector which extr acts most of fresh water available f or utilization?
(Answer : D)
???????? ???????? ???????????? a) domestic use ????b) drinking water ????c) bever age industry ????d)agriculture
???????????? 131 ???? ????Which of the f ollowing are consequences of ozone depletion (Answer : A)
???????? ???????? ???????????? a) Skin cancer and catar actb ????b) Reduced growth in plants c ????c) Shortening of zooplanktons and
their breeding period d ????d)All of the above
???????????? 132 ???? ????Which of the f ollowing are ma jor environmental issues involved in mining? (Answer : D)
???????? ???????? ???????????? a) air pollutionb ????b) water pollutionc ????c) soil degr adationd ????d)all of the above
???????????? 133 ???? ????Which of the f ollowing ef f ect is responsible f or Global Warming? (Answer : A)
???????? ???????? ???????????? a) Green house ef f ectb ????b) Radioactive ef f ectc ????c) Solar ef f ectd ????d)Nuclear ef f ect
???????????? 134 ???? ????Which of the f ollowing is management option f or air pollution? (Answer : D)
???????? ???????? ???????????? a) Regulations and standardsb ????b) Tr ansport planningc ????c) Using CNG as f ueld ????d)All of these
???????????? 135 ???? ????Which of the f ollowing is not a method f or water conservation? (Answer : B)
???????? ???????? ???????????? a) Rainwater harvesting(b ????b) Groundwater extr action (c ????c) Improving irrigation ef ficiency (d
????d)Avoiding water wastage
???????????? 136 ???? ????Which of the f ollowing is not a viable protection against def orestation? (Answer : C)
???????? ???????? ???????????? a) Reduce the consumption of f orest and related products (b ????b) Boycott products of companies
involve in def orestation (c ????c) Privatisation of f orest land (d ????d)Environmental education
???????????? 137 ???? ????Which of the f ollowing is not influenced by human activities? (Answer : D)
???????? ???????? ???????????? a) Destruction of mangroves and wetlands b ????b) Depletion of ground water c ????c) Increased
extinction r ate of species d ????d)None of the above
???????????? 138 ???? ????Which of the f ollowing is not true about def orestation? (Answer : C)
???????? ???????? ???????????? a) Population explosion is one of the reasons f or def orestation (b ????b) Cleaning of f orest f or
agriculture causes def orestation. (c ????c) Def orestation is taking place only in developing courtiers. (d ????d)Cash crop
economy of third world is a cause of def orestation.
???????????? 139 ???? ????Which of the f ollowing is responsible f or desertification? (Answer : D)
???????? ???????? ???????????? a) Def orestation(b ????b) Mining(c ????c) Overgr azing(d ????d)All of the above
???????????? 140 ???? ????Which of the f ollowing statements about the f orest is not correct? (Answer : D)
???????? ???????? ???????????? a) Forest reduces soil erosion (b ????b) Provides recreational opportunities (c ????c) Provides economic
development (d ????d)None of the above
???????????? 141 ???? ????Which of these is not a f ossil f uel? (Answer : D)
???????? ???????? ???????????? a) Coalb ????b) Oilc ????c) Natur al gasd ????d)Ur anium
???????????? 142 ???? ????Which one of the f ollowing is not an ideal solution f or tackling water shortages? (Answer : D)
???????? ???????? ???????????? a) Controlling population growth (b ????b) Conserving water in irrigation (c ????c) Controlling water
pollution (d ????d)Drilling large number of deep bore wells
???????????? 143 ???? ????Which one of the f ollowing regions in India is a hotspot of biodiversity? (Answer : B)
???????? ???????? ???????????? a) Sundarbansb ????b) Western Ghatsc ????c) Eastern Ghatsd ????d)Gangetic plains
???????????? 144 ???? ????World environment day is on: (Answer : B)
???????? ???????? ???????????? a) 5th Mayb ????b) 5th Junec ????c) 18th Julyd ????d)16th August
???????????? 145 ???? ????World Forest day is celebr ated on (Answer : A)
???????? ???????? ???????????? a) 21st March b ????b) 5th June c ????c) 1st Dec d ????d)7th June
???????????? 146 ???? ????Yellowing of Ta j Mahal is an ef f ect of (Answer : A)
???????? ???????? ???????????? a) Acid r ainb ????b) Global warmingc ????c) Ozone depletiond ????d)All of the above
???????????? 147 ???? ????Green Revolution in India was initiated by __________ (Answer : A)
???????? ???????? ???????????? a) M.S. Swaminathan ????b) Sunderlal Bahuguna ????c) Kurien ????d)Medha Patkar
???????????? 148 ???? ????Who wrote the book Violence of Green Revolution (Answer : A)
???????? ???????? ???????????? a) Vandana Siva ????b) Sheela Dikshit ????c) Menaka Gandhi ????d)Arundhathi Roy.
???????????? 149 ???? ????World Forest day is celebr ated on (Answer : A)
???????? ???????? ???????????? a) 21st March ????b) 5th June ????c) 1st Dec ????d)7th June
???????????? 150 ???? ????The Chipko movement is started by (Answer : B)
???????? ???????? ???????????? a) Engler ????b) Sunderlal Bahuguna ????c) Medha Padkar ????d)None of these
???????????? 151 ???? ????Green revolution is associated with _________ (Answer : B)
???????? ???????? ???????????? a) sericulture ????b) Agriculture ????c) Fish culture ????d)silviculture
???????????? 152 ???? ????Which gas is likely to be reduced in the atmosphere by def orestation? (Answer : C)
???????? ???????? ???????????? a) Carbon dioxide ????b) Nitrogen ????c) Oxygen ????d)Sulphur dioxide
???????????? 153 ???? ????Extensive planting of trees to increase f orest cover is called (Answer : A)
???????? ???????? ???????????? a) Af f orestation ????b) Agrof orestry ????c) Def orestation ????d)Social f orestry
???????????? 154 ???? ????Soil erosion can be prevented by (Answer : B)
???????? ???????? ???????????? a) Def orestation ????b) Af f orestation ????c) Overgr azing ????d)Removal of vegetation
???????????? 155 ???? ????The components of LPG are _____________ (Answer : B)
???????? ???????? ???????????? a) Methane & Hexane ????b) Propane & Butane ????c) Ethane & Methane ????d)Propane & Ethane
???????????? 156 ???? ????Which of the f ollowing is the most responsible f or world water crisis? (Answer : C)
???????? ???????? ???????????? a) Dams ????b) Floods ????c) Drought ????d)Population growth
???????????? 157 ???? ????The resources that can be replaced by natur al ecological cycle is called (Answer : A)
???????? ???????? ???????????? a) Renewable ????b) Non-renewable ????c) exhaustible ????d)natur al
???????????? 158 ???? ????The amount of solar r adiation reaching the surf ace of the earth is called (Answer : A)
???????? ???????? ???????????? a) Solar flux ????b) reflected light ????c) miner als ????d)solvents
???????????? 159 ???? ????The most harmf ul of ultr aviolet r adiations are (Answer : A)
???????? ???????? ???????????? a) UV-C ????b) UV-B ????c) UV-A ????d)All the above
???????????? 160 ???? ????A renewable source of energy is (Answer : D)
???????? ???????? ???????????? a) Petroleum ????b) Coal ????c) Nuclear f uel ????d)Trees
???????????? 161 ???? ????The capacity to do work is termed as (Answer : D)
???????? ???????? ???????????? a) Power ????b) Force ????c) Strength ????d)Energy
???????????? 162 ???? ????The unit of total water content of the soil is known as (Answer : A)
???????? ???????? ???????????? a) Holard ????b) Chr aserd ????c) Echard ????d)All of the above
???????????? 163 ???? ????Pedology? (Answer : C)
???????? ???????? ???????????? a) Study of water ????b) Study of air ????c) Study of soil ????d)none
???????????? 164 ???? ????What is def orestation? (Answer : B)
???????? ???????? ???????????? a) Product of f orest ????b) Destruction of f orest ????c) Forest Protection ????d)none
???????????? 165 ???? ????Def orestation gener ally decreases (Answer : D)
???????? ???????? ???????????? a) Global Warming ????b) Drought ????c) Soil erosion ????d)Rainf all
???????????? 166 ???? ????Which among the f ollowing result in the f ormation of soil? (Answer : B)
???????? ???????? ???????????? a) Radiation ????b) Weathering ????c) Erosion ????d)Pollution
???????????? 167 ???? ????Mulching helps in (Answer : B)
???????? ???????? ???????????? a) soil f ertility ????b) moisture conservation ????c) improvements soil structure ????d)soil sterility
???????????? 168 ???? ????........................ is an example of ?bottom f eeders?. (Answer : A)
???????? ???????? ???????????? a) Cat fish ????b) Frog ????c) Snake ????d)Tadpole ????e)
???????????? 169 ???? ????..................... trees shed their leaves during winter and hot summer. (Answer : C)
???????? ???????? ???????????? a) (a) ever green ????b) b) conif erous ????c) c) deciduous ????d)d) Shola
???????????? 170 ???? ????...................... is a cold desert in India (Answer : B)
???????? ???????? ???????????? a) Thar ????b) Ladakh ????c) Ran of Kutch ????d)Bhopal
???????????? 171 ???? ????A lake ecosystem f unctions as a (Answer : A)
???????? ???????? ???????????? a) Ter ai ????b) Shola gr asslands ????c) Semi arid plains ????d)Himalayan pastures
???????????? 172 ???? ????An example of nitrogen fixing bacteria in the soil (Answer : C)
???????? ???????? ???????????? a) Rhizobium ????b) Nostoc ????c) Azotobacter ????d)Nitrobacter
???????????? 173 ???? ????An example of one way ecological cycle is (Answer : C)
???????? ???????? ???????????? a) carbon dioxide cycle ????b) water cycle ????c) energy cycle ????d)oxygen cycle
???????????? 174 ???? ????Br ackish water ecosystems in river deltas are among (Answer : B)
???????? ???????? ???????????? a) Least productive ecosystems ????b) Most productive in terms of biomass production ????c) c)
Unproductive d) Stagnant ecosystems ????d)
???????????? 175 ???? ????Ecology is (Answer : C)
???????? ???????? ???????????? a) The science that studies the evolution of lif e, ????b) b) Integr ates both social and natur al sciences to
help us understand how the earth works, ????c) c) The study of the relationships between organisms and their
environment ????d)d) The study of the environment in the absence of humans
???????????? 176 ???? ????Forests grow in high r ain f all areas are (Answer : A)
???????? ???????? ???????????? a) (a) ever green f orests ????b) b) temper ate f orests ????c) c) conif ers ????d)d) Tundr a
???????????? 177 ???? ????Fungi is a (Answer : D)
???????? ???????? ???????????? a) Macroconsumer ????b) Producer ????c) Carnivore d ????d)Microconsumer
???????????? 178 ???? ????Nitrogen fixing blue green alga (Answer : C)
???????? ???????? ???????????? a) Clostridium ????b) Rhizobium ????c) Nostoc ????d)Nitrosomonas
???????????? 179 ???? ????Nitrogen gas returns to the atmosphere by the action of (Answer : B)
???????? ???????? ???????????? a) Nitrogen fixing bacteria ????b) Denitrif ying bacteria ????c) Nitrif ying bacteria ????d)Nitr ate f ertilizers
???????????? 180 ???? ????Patches of tall gr asslands interspersed with Sal f orest ecosystem is (Answer : A)
???????? ???????? ???????????? a) ????b) ????c) ????d)
???????????? 181 ???? ????Ramsar Convention ref ers to the conservation of ____________ (Answer : B)
???????? ???????? ???????????? a) (a) Deserts ????b) b) Wetlands ????c) c) Agriculture lands, ????d)d) Forest land
???????????? 182 ???? ????Some species whose removal can af f ect the survival of an ecosystem are called (Answer : B)
???????? ???????? ???????????? a) ????b) b) Keystone species ????c) c) Producers ????d)d) Carnivores
???????????? 183 ???? ????Sunderbans is home to (Answer : B)
???????? ???????? ???????????? a) Giant permanent pond ????b) Tempor ary aquatic system ????c) Simplest aquatic ecosystem ????d)Water
tank
???????????? 184 ???? ????The conversion of ammonia to nitr ate is known as ________ (Answer : B)
???????? ???????? ???????????? a) (a) ammonification ????b) b) nitrification ????c) c) denitrification ????d)d) all of these
???????????? 185 ???? ????The f orests which occur in law r ain f all area is (Answer : B)
???????? ???????? ???????????? a) (a) Evergreen f orests ????b) b) deciduous f orests ????c) c) Conif erous f orest ????d)d) All the above.
???????????? 186 ???? ????The inherent ability of organisms to reproduce and multiply is called, (Answer : B)
???????? ???????? ???????????? a) C value ????b) b) biotic potential ????c) c) carrying capacity ????d)d) K value
???????????? 187 ???? ????The largest br ackish water lake situated in Asia is in Orissa. Which is the lake? (Answer : A)
???????? ???????? ???????????? a) (a) Chilka lake ????b) b) Vembanad lake ????c) c) Woolar lake ????d)d) Dal lake
???????????? 188 ???? ????The Little Rann of Kutch is home to (Answer : D)
???????? ???????? ???????????? a) Horse ????b) b) Great Indian Bustard ????c) c) Lion ????d)d) Wild Ass
???????????? 189 ???? ????The presence of which is necessary f or photosynthesis (Answer : B)
???????? ???????? ???????????? a) (a) Chlorof orm ????b) b) Chlorophyll ????c) c) Phosphorus ????d)d) Polymer
???????????? 190 ???? ????The process through which ecosystems tend to change after a period of time is called (Answer : A)
???????? ???????? ???????????? a) ????b) ????c) ????d)
???????????? 191 ???? ????The species that flower are called (Answer : C)
???????? ???????? ???????????? a) (a) gymnosperms ????b) b) bryophytes ????c) c) angiosperms ????d)d) algae
???????????? 192 ???? ????The term ?Eco? implies (Answer : A)
???????? ???????? ???????????? a) Environment ????b) Ecotone ????c) Ecotourism ????d)Soil
???????????? 193 ???? ????The term ?Ecology? was coined by (Answer : B)
???????? ???????? ???????????? a) A.G.Tansley ????b) Earnst Haeckel ????c) Aristotle ????d)Linnaeus
???????????? 194 ???? ????The word Biophilia was coined by (Answer : D)
???????? ???????? ???????????? a) Dr. Hackel ????b) Dr.Johanssen ????c) Dr. Ben jamine ????d)E. O. Wilson
???????????? 195 ???? ????What is Dendrology? (Answer : C)
???????? ???????? ???????????? a) Study of Plants ????b) Study of Butterflies ????c) Study of Trees ????d)None of these
???????????? 196 ???? ????What is edge species? (Answer : A)
???????? ???????? ???????????? a) The species which occur abundantly in the ecotone ????b) b) Species on the verge of extinction ????c)
c) Rare species ????d)d) Endemic species
???????????? 197 ???? ????What is symbiosis? (Answer : C)
???????? ???????? ???????????? a) Study of distribution of related species ????b) b) Association between members of same species
????c) c) Association between members of two species ????d)d) None
???????????? 198 ???? ????When number of f ood chains is interlocked this is called (Answer : C)
???????? ???????? ???????????? a) f ood link ????b) f ood chain ????c) f ood web ????d)pyr amid
???????????? 199 ???? ????Which is an example f or sedimentary biogeochemical cycle (Answer : D)
???????? ???????? ???????????? a) Oxygen cycle ????b) Nitrogen cycle ????c) Water cycle ????d)Phosphorus cycle
???????????? 200 ???? ????Which is the second largest in species richness? (Answer : C)
???????? ???????? ???????????? a) Desert ????b) b) Tundr a ????c) c) Cor al reefs ????d)d) Flowing water
???????????? 201 ???? ????Gr assland of USA is ref erred to as (Answer : A)
???????? ???????? ???????????? a) Pr airies ????b) Steppes ????c) Pampas ????d)Veldts
???????????? 202 ???? ????The complex network of interconnected f ood chains is called ___________ (Answer : B)
???????? ???????? ???????????? a) Trophic level ????b) Food web ????c) Ecological pyr amid ????d)Ecology chain
???????????? 203 ???? ????The animal which consumes decaying organic matter is _________ (Answer : B)
???????? ???????? ???????????? a) Carnivore ????b) Detritivore ????c) Herbivore ????d)Producers
???????????? 204 ???? ????An ecosystem gr adually merges with an adjoining one through a tr ansitional zone is called the
______________ (Answer : C)
???????? ???????? ???????????? a) Ecological niche ????b) ecological f ootprint ????c) ecotone ????d)Shore ef f ect
???????????? 205 ???? ????The Primary Consumers are also called as (Answer : A)
???????? ???????? ???????????? a) Herbivores ????b) Carnivores ????c) Enzymes ????d)None of these
???????????? 206 ???? ????The f orests which occur in law r ain f all area is called (Answer : B)
???????? ???????? ???????????? a) Evergreen f orests ????b) deciduous f orests ????c) Conif erous f orest ????d)All the above
???????????? 207 ???? ????Favor able morphological and physiological response to a change in environment is called (Answer : D)
???????? ???????? ???????????? a) Preadaptation ????b) Ecotyping ????c) Formation of ecophenes ????d)Acclimatization
???????????? 208 ???? ????Plants adapted to open, sunny habitats are (Answer : B)
???????? ???????? ???????????? a) Sciophytes ????b) Heliophytes ????c) Mesophytes ????d)Epiphytes
???????????? 209 ???? ????Temper ate f orests occur in India in (Answer : B)
???????? ???????? ???????????? a) Indo-gangetic plains ????b) Himalayas ????c) Eastern India ????d)Southern peninsula
???????????? 210 ???? ????In India, tropical evergreen f orests occur in (Answer : C)
???????? ???????? ???????????? a) Himachal Pr adesh ????b) Madhya Pr adesh ????c) Assam ????d)Tamil Nadu
???????????? 211 ???? ????Which one is natures cleaner? (Answer : C)
???????? ???????? ???????????? a) Consumers ????b) Producers ????c) Decomposers and Scavengers ????d)Symbionts
???????????? 212 ???? ????The relationship between nitrogen fixing bacteria and leguminous plants is an example f or (Answer : C)
???????? ???????? ???????????? a) Par asitism ????b) Predation ????c) Mutualism ????d)Symbiosis
???????????? 213 ???? ????______ trees shed their leaves during winter and hot summer. (Answer : C)
???????? ???????? ???????????? a) Ever green ????b) Conif erous ????c) Deciduous ????d)Shola
???????????? 214 ???? ????Thorn f orests are f ound in the_______ regions (Answer : A)
???????? ???????? ???????????? a) Semi-arid ????b) High r ain f all areas ????c) Low temper ature ????d)Frozen areas
???????????? 215 ???? ????________ is a cold desert in India (Answer : B)
???????? ???????? ???????????? a) Thar ????b) Ladakh ????c) Ran of Kutch ????d)Bhopal
???????????? 216 ???? ????______ is an example of bottom f eeders (Answer : A)
???????? ???????? ???????????? a) Cat fish ????b) Frog ????c) Snake ????d)Tadpole
???????????? 217 ???? ????A Hawk that eats a frog is a (Answer : D)
???????? ???????? ???????????? a) Producer ????b) Primary Consumer ????c) Secondary Consumer ????d)Tertiary Consumer
???????????? 218 ???? ????An example of lotic system (Answer : B)
???????? ???????? ???????????? a) Pond ????b) River ????c) Lake ????d)Reservoir
???????????? 219 ???? ????Complex interlinked f ood chains are called (Answer : A)
???????? ???????? ???????????? a) Food Web ????b) Food net work ????c) Trophic levels ????d)Food pyr amid
???????????? 220 ???? ????Lotic ecosystem ref ers to (Answer : B)
???????? ???????? ???????????? a) Static water system ????b) Ecosystem of flowing water ????c) Ecosystem of estuaries ????d)Deep
marine water system
???????????? 221 ???? ????Autotrophs are ______________ (Answer : D)
???????? ???????? ???????????? a) Consumers ????b) Herbivores ????c) Saprophytes ????d)Producers
???????????? 222 ???? ????Organisms which depened on Producers f or nutrition are called (Answer : C)
???????? ???????? ???????????? a) Autotrophs ????b) Saprophytes ????c) Consumers ????d)Xerophytes
???????????? 223 ???? ????The source of atmospheric oxygen is (Answer : B)
???????? ???????? ???????????? a) Nitrogen cycle ????b) Green Plants ????c) Water ????d)Carbon Cycle
???????????? 224 ???? ????Plants which grow in shade are called (Answer : A)
???????? ???????? ???????????? a) Sciophytes ????b) Heliophytes ????c) Oxylophytes ????d)Epiphytes
???????????? 225 ???? ????Photosynthesis is f ound in (Answer : A)
???????? ???????? ???????????? a) Producers ????b) Decomposers ????c) Consumers ????d)Scavengers
???????????? 226 ???? ????Phytoplankton are (Answer : B)
???????? ???????? ???????????? a) Producers of f orest ????b) Producers of lakes ????c) Consumers of Ocean ????d)Omnivores
???????????? 227 ???? ????Gas released during photosynthesis is (Answer : C)
???????? ???????? ???????????? a) Methane ????b) Nitrogen ????c) Oxygen ????d)Carbon dioxide
???????????? 228 ???? ????The ma jor reservoir of carbon is (Answer : B)
???????? ???????? ???????????? a) The atmosphere ????b) Ocean Bed ????c) Plant and animals ????d)Rock
???????????? 229 ???? ????The simplest aquatic ecosystem can be seen in a (Answer : C)
???????? ???????? ???????????? a) River ????b) Lake ????c) Pond ????d)Water Tank
???????????? 230 ???? ????What is hibernation and aestivation? (Answer : A)
???????? ???????? ???????????? a) Thermal adaptation shown by animals ????b) wind adaptation shown by animals ????c) adaptation of
animals to escape from predators ????d)None
???????????? 231 ???? ????What is lentic habitat ? (Answer : B)
???????? ???????? ???????????? a) Running water habitat ????b) Standing or still water habitat ????c) Marine habitat ????d)None
???????????? 232 ???? ????What is lotic habitat? (Answer : C)
???????? ???????? ???????????? a) Standing or still water habitat ????b) Marine habitat ????c) Running water habitat ????d)Stagnant water
???????????? 233 ???? ????What is Plankton? (Answer : A)
???????? ???????? ???????????? a) Microscopic floating organisms ? Plants and animals. ????b) bottom dwelling aquatic organisms ????c)
Large plants in water ????d)None
???????????? 234 ???? ????What is Canopy? (Answer : A)
???????? ???????? ???????????? a) Uppermost level of the f orest ????b) Ground level of the f orest ????c) Soil in f orest ????d)Climbers on
trees
???????????? 235 ???? ????North American gr assland are called (Answer : B)
???????? ???????? ???????????? a) Pampas ????b) Pr airies ????c) Savannah ????d)None
???????????? 236 ???? ????African gr asslands are called (Answer : C)
???????? ???????? ???????????? a) Pr airies ????b) Pampas ????c) Savannah ????d)None
???????????? 237 ???? ????Green plants are absent in deep sea. Why? (Answer : A)
???????? ???????? ???????????? a) Light is absent ????b) High pressure ????c) low temper ature ????d)Great depth
???????????? 238 ???? ????What is desertification? (Answer : D)
???????? ???????? ???????????? a) Conversion of f orests into desert ????b) Conversion of croplands into desert ????c) Conversion of
gr assland into desert ????d)all of the above
???????????? 239 ???? ????The first trophic level in a f ood chain (Answer : A)
???????? ???????? ???????????? a) Green Plants ????b) Herbivores ????c) Carnivores ????d)Bacteria
???????????? 240 ???? ????Sulphur bacteria are examples of (Answer : D)
???????? ???????? ???????????? a) Carnivores ????b) Heterotrophs ????c) Saprophytes ????d)Autotrophs
???????????? 241 ???? ????Green Land biome (Answer : B)
???????? ???????? ???????????? a) Tundr a ????b) Pampas ????c) Taiga ????d)Thaar.
???????????? 242 ???? ????What is deep ecology? (Answer : A)
???????? ???????? ???????????? a) Protecting nature f or its own sake ????b) Ecology of deep sea ????c) Ecology of f orest ????d)Ecology of
caves
???????????? 243 ???? ????Cor al reefs in India can be seen in (Answer : B)
???????? ???????? ???????????? a) Himalayan region ????b) Andaman and Nicobar Islands ????c) Uttarpr adesh ????d)Mahar ashtr a
???????????? 244 ???? ????____________ is one of the most endangered species of Indian birds (Answer : D)
???????? ???????? ???????????? a) Bee eater ????b) Par adise fly catcher ????c) Owl ????d)The great Indian bustard
???????????? 245 ???? ????................. species is known as Azadir achta Indica (Answer : A)
???????? ???????? ???????????? a) Neem ????b) Mango ????c) Jackfruit ????d)Banana
???????????? 246 ???? ????.................... is a marine tortoise which shows the unique phenomenon ?arribada? (Answer : A)
???????? ???????? ???????????? a) Olive Ridley ????b) Star T ortoise ????c) Tr avancore T ortoise ????d)b & c
???????????? 247 ???? ????.................... tree is known as ?flame of the f orest?? (Answer : B)
???????? ???????? ???????????? a) Zizyphus ????b) Butea monosperma ????c) Jackfruit ????d)Pongamea
???????????? 248 ???? ????All are insitu conservation ef f orts except (Answer : C)
???????? ???????? ???????????? a) National parks ????b) Sanctuaries ????c) Zoo ????d)
???????????? 249 ???? ????Approximately, 50% of total world species are present on (Answer : A)
???????? ???????? ???????????? a) tropical r ain f orest ????b) temper ate r ain f orest ????c) temper ate deciduous f orest d ????d)cor al reefs
???????????? 250 ???? ????Bears are usually hunted and killed f or their (Answer : B)
???????? ???????? ???????????? a) Teeth ????b) Skin ????c) Gall bladder ????d)Nails
???????????? 251 ???? ????Biodiversity (Answer : A)
???????? ???????? ???????????? a) increases towards the equator ????b) decreases towards the equator ????c) remains same throughout
the planet d ????d)has no ef f ect on change in latitude
???????????? 252 ???? ????Black Buck is a (Answer : B)
???????? ???????? ???????????? a) Goat ????b) Deer ????c) Butterfly ????d)Bird
???????????? 253 ???? ????Blue whale is placed under (Answer : A)
???????? ???????? ???????????? a) endangered ????b) critically endangered ????c) r are ????d)d) extinct
???????????? 254 ???? ????Conservation within the natur al habitat is (Answer : A)
???????? ???????? ???????????? a) insitu conservation ????b) exsitu conservation ????c) invivo conservation ????d)d) exvivo conservation
???????????? 255 ???? ????Cor al reefs in India can be seen in (Answer : B)
???????? ???????? ???????????? a) Himalayan region ????b) Andaman and Nicobar Islands ????c) Uttarpr adesh ????d)Mahar ashtr a
???????????? 256 ???? ????Dodo is (Answer : D)
???????? ???????? ???????????? a) endangered ????b) b) critically endangered ????c) c) r are ????d)d) extinct
???????????? 257 ???? ????Endemic species are (Answer : B)
???????? ???????? ???????????? a) r are species ????b) b) species localised in a specific region ????c) c) cosmopolitan in distribution d)
critically endangered species ????d)
???????????? 258 ???? ????Ex situ conservation includes (Answer : D)
???????? ???????? ???????????? a) Zoo ????b) Botanic garden ????c) c) Germplasm bank ????d)d) all of the above
???????????? 259 ???? ????Gharial is a (Answer : A)
???????? ???????? ???????????? a) Crocodile ????b) b) Cobr a ????c) c) T ortoise ????d)d) Frog
???????????? 260 ???? ????Herpetology is a br anch of Science which deals with (Answer : C)
???????? ???????? ???????????? a) Aves ????b) Mammals ????c) Reptiles ????d)Fishes
???????????? 261 ???? ????Hot spots are regions of high (Answer : B)
???????? ???????? ???????????? a) r arity ????b) b) endemism ????c) c) critically endangered population d) diversity ????d)d) diversity
???????????? 262 ???? ????India is primary centre of domestication of (Answer : D)
???????? ???????? ???????????? a) Sheep ????b) Goat ????c) Water Buf f alo ????d)Elephants
???????????? 263 ???? ????IUCN (The International Union For Conservation Of Nature And Natur al Resources) headquarters is at
(Answer : A)
???????? ???????? ???????????? a) Morges, Switzerland ????b) Paris, Fr ance ????c) Vienna, Austria d ????d)NewYork, USA
???????????? 264 ???? ????IUCN is also called as (Answer : B)
???????? ???????? ???????????? a) Man and Biosphere progr am ????b) World Conservation Union ????c) World Conservation Consortium
d ????d)World Wide Conservation Union
???????????? 265 ???? ????Killing of animals disturbs (Answer : C)
???????? ???????? ???????????? a) Good f or eco system ????b) Good f or man ????c) The balance of nature ????d)None
???????????? 266 ???? ????MAB progr am stands f or (Answer : D)
???????? ???????? ???????????? a) Man and biotechnology ????b) Material and biology ????c) Man and Biology ????d)Man and Biosphere
???????????? 267 ???? ????Pangolins f eed on (Answer : A)
???????? ???????? ???????????? a) ants ????b) b) fruits ????c) c) leaves ????d)d) roots
???????????? 268 ???? ????Red data book contains data of (Answer : D)
???????? ???????? ???????????? a) all plant species ????b) all animal species ????c) economically important species ????d)threatened
species
???????????? 269 ???? ????Silent Spring is a well known book written by (Answer : C)
???????? ???????? ???????????? a) John Miller ????b) Charles Darwin ????c) Rachel Carson ????d)Aldoleopold
???????????? 270 ???? ????The drug morphine is extr acted from ............... plant (Answer : C)
???????? ???????? ???????????? a) Cocoa ????b) Belladonna ????c) Opium Poppy ????d)Tannin
???????????? 271 ???? ????The first global environmental protection treaty The Montreal Protocol was signed on Sept. 26. (Answer
: D)
???????? ???????? ???????????? a) 1985 ????b) 1990 ????c) 1981 ????d)1987
???????????? 272 ???? ????The most important reason f or decrease in biodiversity is (Answer : D)
???????? ???????? ???????????? a) habitat pollution ????b) introduction of exotic species ????c) overexploitation ????d)habitat destruction
???????????? 273 ???? ????The only ape f ound in India (Answer : C)
???????? ???????? ???????????? a) Gorilla ????b) Chimpanzee ????c) Hoolock gibbon ????d)Or anguttan
???????????? 274 ???? ????Which of the f ollowing is a biodiversity hot sport in India? (Answer : A)
???????? ???????? ???????????? a) Western Ghats ????b) Nandadevi ????c) Eastern Ghats ????d)Ar avalli
???????????? 275 ???? ????Which of the f ollowing region has maximum diversity? (Answer : D)
???????? ???????? ???????????? a) mangroves ????b) temper ate r ainf orest ????c) taiga d ????d)cor al reefs
???????????? 276 ???? ????Which plants die after flowering? (Answer : B)
???????? ???????? ???????????? a) Lotus ????b) Bamboo ????c) Chrysanthemum ????d)Butea
???????????? 277 ???? ????Which tree is known as Cor al tree? (Answer : C)
???????? ???????? ???????????? a) Quercus ????b) Dipterocarps ????c) Erythrina ????d)Zizypus
???????????? 278 ???? ????Salim Ali Centre f or Ornithology and Natur al history is located at ______ (Answer : D)
???????? ???????? ???????????? a) Pune ????b) Hyder abad ????c) Ker ala ????d)Coimbatore
???????????? 279 ???? ????World wildlif e week is observed during (Answer : A)
???????? ???????? ???????????? a) First week of October ????b) Last week of October ????c) Third week of October ????d)First week of
September
???????????? 280 ???? ????Zoological Survey of India is at (Answer : C)
???????? ???????? ???????????? a) Delhi ????b) Mumbai ????c) Kolkata ????d)Chennai
???????????? 281 ???? ????The Salim Ali Bird sanctuary is located at (Answer : B)
???????? ???????? ???????????? a) Pondicherry ????b) Thattekad ????c) Anakkatti ????d)Kalakkadj
???????????? 282 ???? ????Who among the f ollowing is commonly called ?Bird Man of India?? (Answer : A)
???????? ???????? ???????????? a) Salim Ali ????b) M.S. Swaminathan ????c) M.C. Mehta ????d)Raphel Emerson
???????????? 283 ???? ????The phenomenon of occurrence of additional species f ound in the ecotone or tr ansitional zone
between adjoining ecosystems is known as _________ (Answer : A)
???????? ???????? ???????????? a) Edge ef f ect ????b) Root ef f ect ????c) Raman ef f ect ????d)Coolidge ef f ect
???????????? 284 ???? ????A set of organisms that resemble one another in appear ance and behaviour is called a _____________
(Answer : C)
???????? ???????? ???????????? a) Exons ????b) Prions ????c) Species ????d)guilds
???????????? 285 ???? ????All the genes of a population is called (Answer : A)
???????? ???????? ???????????? a) gene pool ????b) Genome ????c) Gene bunch ????d)Gene population
???????????? 286 ???? ????The first protected area in India is ____________ (Answer : B)
???????? ???????? ???????????? a) Silent valley ????b) Corbett National Park ????c) Bandipur sanctuary ????d)Nagar-Hole
???????????? 287 ???? ????The Indian Parliament passed the Biodiversity Bill in the year_________ (Answer : C)
???????? ???????? ???????????? a) 2000 ????b) 2005 ????c) 2002 ????d)2007
???????????? 288 ???? ????The destruction of habitat of plants and animals is called (Answer : C)
???????? ???????? ???????????? a) Endemism ????b) Endangered species ????c) Habitat loss ????d)Flood
???????????? 289 ???? ????Zoos are examples f or (Answer : C)
???????? ???????? ???????????? a) In-situ conservation ????b) In-vivo conservation ????c) Ex-situ conservation ????d)Ex-vivo conservation
???????????? 290 ???? ????In which Indian state is Corbet National park located (Answer : B)
???????? ???????? ???????????? a) Madya Pr adesh ????b) Uttar akhand ????c) Ker ala ????d)Tamilnadu
???????????? 291 ???? ????The first national park of Ker ala (Answer : D)
???????? ???????? ???????????? a) Ar alam ????b) Kottayam ????c) Idukki ????d)Ir avikulam
???????????? 292 ???? ????In which year was Pro ject Tiger launched? (Answer : A)
???????? ???????? ???????????? a) 1973 ????b) 1964 ????c) 1998 ????d)1970
???????????? 293 ???? ????Earth summit of Rio de Janeiro (1992) resulted in (Answer : C)
???????? ???????? ???????????? a) Compilation of Red list ????b) Establishment of biosphere reserves ????c) Conservation of biodiversity
????d)IUCN
???????????? 294 ???? ????Lions are f ound in (Answer : D)
???????? ???????? ???????????? a) Western Ghats ????b) Corbett National Park ????c) Forests of Madhya Pr adesh ????d)Gir f orests
???????????? 295 ???? ????National Park associated with rhinoceros is (Answer : A)
???????? ???????? ???????????? a) Kazir anga ????b) Ranthambore ????c) Corbett ????d)Valley of flowers
???????????? 296 ???? ????Some species of plants and animals are extremely r are and may occur only at a f ew locations are called
(Answer : B)
???????? ???????? ???????????? a) Endemic ????b) Endangered ????c) Vulner able ????d)Threatened
???????????? 297 ???? ????The only known breeding colony of the greater and lesser Flamingos in our country is seen in
???????.. desert. (Answer : A)
???????? ???????? ???????????? a) The Great Rann of Kutch ????b) The Thar ????c) Ladakh ????d)Atacama
???????????? 298 ???? ????The one-horned Rhinoceros is now restricted to which state? (Answer : C)
???????? ???????? ???????????? a) Mahar ashtr a ????b) Gujar at ????c) Assam ????d)Uttar Pr adesh
???????????? 299 ???? ????Asiatic lion is f ound only in _____ (Answer : A)
???????? ???????? ???????????? a) Gir Forest ????b) Manas ????c) Kasir anga ????d)Sundarbans
???????????? 300 ???? ????________ is a marine tortoise which shows the unique phenomenon ???arribada??? (Answer : A)
???????? ???????? ???????????? a) Olive Ridley ????b) Star T ortoise ????c) Tr avancore T ortoise ????d)b & c
???????????? 301 ???? ????Largest reptile in the world (Answer : B)
???????? ???????? ???????????? a) Dr agon ????b) Anaconda ????c) Crocodile ????d)Python
???????????? 302 ???? ????Snow leopard is f ound in which National Park? (Answer : B)
???????? ???????? ???????????? a) Kazir anga ????b) The Great Himalayan ????c) Bhar atpur ????d)Nagarhole
???????????? 303 ???? ????Point Calimere sanctuary is situated in which state? (Answer : A)
???????? ???????? ???????????? a) Tamilnadu ????b) Ker ala ????c) Karnataka ????d)Gujar at
???????????? 304 ???? ????The movement Beej Bachao Andolan was aimed f or the conservation of ________ (Answer : C)
???????? ???????? ???????????? a) Trees ????b) Shrubs ????c) Crops ????d)Coconut
???????????? 305 ???? ????In which year Silent Valley was declared as National Park? (Answer : C)
???????? ???????? ???????????? a) 1988 ????b) 1982 ????c) 1984 ????d)1981
???????????? 306 ???? ????The Red Data book which lists endangered species is maintained by (Answer : C)
???????? ???????? ???????????? a) UNO ????b) WHO ????c) IUCN ????d)WWF
???????????? 307 ???? ????First Biosphere reserve in India (Answer : A)
???????? ???????? ???????????? a) Nilgiri ????b) Agastyamala ????c) Er avikulam ????d)Chinnar
???????????? 308 ???? ????Flag ship species of Choolannur sanctuary (Answer : B)
???????? ???????? ???????????? a) Tiger ????b) Peacock ????c) Elephant ????d)Rhino
???????????? 309 ???? ????Which of the f ollowing is an extinct species? (Answer : C)
???????? ???????? ???????????? a) Tiger ????b) Lion ????c) Dodo ????d)Ostrich
???????????? 310 ???? ????________ is one of the most endangered species of Indian birds (Answer : D)
???????? ???????? ???????????? a) Bee eater ????b) Par adise fly catcher ????c) Owl ????d)The great Indian bustard
???????????? 311 ???? ????Many wild plant and animals are on the verge of extinction due to (Answer : A)
???????? ???????? ???????????? a) Habitat destruction ????b) Climatic changes ????c) Non availability of f ood ????d)None of the above
???????????? 312 ???? ????The most endangered ecosystem in India (Answer : B)
???????? ???????? ???????????? a) Shola f orest ecosystem ????b) Evergreen f orest ecosystem ????c) Pond ecosystem ????d)Tundr a
Ecosystem
???????????? 313 ???? ????Er avikulam National Park conserves (Answer : D)
???????? ???????? ???????????? a) Lion tailed macaque ????b) Tiger ????c) Elephant ????d)Nilgiri Tahr
???????????? 314 ???? ????First National Park in India (Answer : A)
???????? ???????? ???????????? a) Jim Corbert National Park ????b) Bandipur National Park ????c) Gir National Park ????d)Sunderbans
National Park
???????????? 315 ???? ????Agastyamalai Biosphere reserve is in (Answer : B)
???????? ???????? ???????????? a) Pathanamthitta ????b) Thiruvananthapur am ????c) Idukki ????d)Wayanad
???????????? 316 ???? ????What is meant by ex-situ conservation? (Answer : C)
???????? ???????? ???????????? a) Conservation of a species by protecting its habitat along with all other species living there. ????b)
Conservation of f orest eco system ????c) Conservation of a species outside its natur al habitat ????d)Conservation of
plants
???????????? 317 ???? ????The state which constituted green bench (Answer : B)
???????? ???????? ???????????? a) Ker ala ????b) Tamilnadu ????c) Assam ????d)Madhya Pr adesh
???????????? 318 ???? ????Name the endangered animal which is protected in Ra jamalai National park (Answer : C)
???????? ???????? ???????????? a) Chital ????b) Black buck ????c) Nilgiri Tahr ????d)None
???????????? 319 ???? ????Animals and plants are best protected in (Answer : C)
???????? ???????? ???????????? a) Zoos ????b) Botanical Gardens ????c) National Parks ????d)Sanctuaries
???????????? 320 ???? ????Worlds first Teak Forest was planted in 1842 in Ker ala. Identif y the place. (Answer : B)
???????? ???????? ???????????? a) Wayanad ????b) Nilambur ????c) Silent Valley ????d)Nelliyampathy
???????????? 321 ???? ????The Native Place of Redwood trees? (Answer : C)
???????? ???????? ???????????? a) Austr alia ????b) Amazon ????c) Calif ornia ????d)Thailand
???????????? 322 ???? ????Centre of Modern nuclear technology in India (Answer : C)
???????? ???????? ???????????? a) CRAS ????b) SARC ????c) BARC ????d)None of these
???????????? 323 ???? ????What is an Inciner ator? (Answer : A)
???????? ???????? ???????????? a) Furnace used f or burning solid waste ????b) Furnace used f or treating liquid waste ????c) Both a & b
????d)None of these
???????????? 324 ???? ????Photochemical smog is called (Answer : B)
???????? ???????? ???????????? a) T okyo smog ????b) London smog ????c) Los Angeles smog ????d)None
???????????? 325 ???? ????The combustion of waste in the absence of Oxygen is called (Answer : B)
???????? ???????? ???????????? a) Haemolysis ????b) Pyrolysis ????c) Hydrolysis ????d)None
???????????? 326 ???? ????The heating of earths atmosphere due to tr apped r adiation is known as (Answer : D)
???????? ???????? ???????????? a) Global warming ????b) Glass-House ef f ect ????c) Thermal ef f ect ????d)Green House Ef f ect
???????????? 327 ???? ????Thickness of plastic cover permissible to use (Answer : C)
???????? ???????? ???????????? a) 50 Microns ????b) 20 Microns ????c) 100 Microns ????d)10 Microns
???????????? 328 ???? ????A biodegr adable plastic developed by Biopak Corpor ation Austr alia (Answer : A)
a) Biopol ????b) Pet ????c) Polyester ????d)PVC
???????????? 329 ???? ????The Residential and Commercial wastes mainly consist of: (Answer : A)
???????? ???????? ???????????? a) Food wastes ????b) Card board ????c) Packaging materials ????d)None of these
???????????? 330 ???? ????Lead in water can cause (Answer : C)
???????? ???????? ???????????? a) Eye disease ????b) Arthritis ????c) Kidney damage ????d)Hair f alling
???????????? 331 ???? ????Colorless odorless and non corrosive air pollutant is (Answer : C)
???????? ???????? ???????????? a) Sulphur dioxide ????b) Carbon monoxide ????c) Carbon dioxide ????d)Ozone
???????????? 332 ???? ????Disease aggr avated by air pollution is (Answer : C)
???????? ???????? ???????????? a) Choler a ????b) Rheumatism ????c) Bronchitis ????d)Haemophilia
???????????? 333 ???? ????Which of the f ollowing type of pollution can cause the outbreak of Jaundice (Answer : C)
???????? ???????? ???????????? a) Air ????b) Thermal ????c) Water ????d)Land
???????????? 334 ???? ?????Ozone Hole? is a _____________ (Answer : B)
???????? ???????? ???????????? a) Hole in the atmosphere b ????b) Destruction of ozone layer c ????c) Hole in the hydrosphere d ????d)Hole
in the troposphere
???????????? 335 ???? ?????Plumbism? is the disorder develops in man when exposed to..... (Answer : A)
???????? ???????? ???????????? a) a) Lead ????b) b) Mercury ????c) c) Arsenic ????d)d) CO
???????????? 336 ???? ????A pollutant not released by exhaust of automobiles is.... (Answer : C)
???????? ???????? ???????????? a) a) SO 2 ????b) b) CO ????c) c) Fly Ash ????d)d) Hydrocarbon gases
???????????? 337 ???? ????Acid r ain contains (Answer : A)
???????? ???????? ???????????? a) Sulphuric acid b ????b) Hydrochloric acid c ????c) Oxalic acid d ????d)Acetic acid
???????????? 338 ???? ????An example of natur al pollutant is (Answer : D)
???????? ???????? ???????????? a) a) Forest fire ????b) b) Natur al Organic Decay ????c) c) Volcanic eruptions ????d)d) All of the above
???????????? 339 ???? ????An example of non-biodegr adable pollutant is (Answer : B)
???????? ???????? ???????????? a) a) Sewage ????b) b) Plastic ????c) c) Litter ????d)d) Vegetable waste
???????????? 340 ???? ????Birth r ate is called (Answer : C)
???????? ???????? ???????????? a) mortality b ????b) vital index c ????c) natality d ????d)viability
???????????? 341 ???? ????Bishnoi women is connected to (Answer : B)
???????? ???????? ???????????? a) Hindi Film ????b) b) Chipko movement ????c) c) Climate change ????d)d) Women rights
???????????? 342 ???? ????BOD is used f or the measurement of .... (Answer : C)
???????? ???????? ???????????? a) a) Atmospheric pollution ????b) b) Soil pollution ????c) c) Water pollution ????d)d) Nuclear pollution
???????????? 343 ???? ????Causative organisms of Malaria (Answer : C)
???????? ???????? ???????????? a) Bacteria b ????b) Fungus c ????c) Plasmodium d ????d)Virus
???????????? 344 ???? ????Component not released in the burning coal is... (Answer : D)
???????? ???????? ???????????? a) a) NO 2 ????b) b) SO 2 ????c) c) Fly Ash ????d)d) O 2
???????????? 345 ???? ????Death r ate of the population (Answer : A)
???????? ???????? ???????????? a) Mortality b ????b) Viability c ????c) Natality d ????d)Vitality
???????????? 346 ???? ????Ear muf fs or Cotton plugs are used to reduce pollution of..... (Answer : B)
???????? ???????? ???????????? a) a) Air ????b) b) Noise ????c) c) Thermal ????d)d) Nuclear
???????????? 347 ???? ????EIA is the (Answer : C)
???????? ???????? ???????????? a) a) Economic Inf ormation Awareness ????b) b) Environmental Inf ormation Awareness ????c) c)
Environmental Impact Assessment ????d)d) Environmental Impact Avoidance
???????????? 348 ???? ????El Nino (Answer : A)
???????? ???????? ???????????? a) a) a climate cycle in the Pacific Ocean impacting global weather patterns ????b) b) Cold current in the
Atlantic influencing South American weather ????c) c) An annual underwater phenomenon af f ecting global weather
????d)d) A sub-sahar an hot wind af f ecting global climate.
???????????? 349 ???? ????Environmental Protection Act was introduced in the year (Answer : A)
???????? ???????? ???????????? a) 1986 b ????b) 1988 c ????c) 1972 d ????d)1989
???????????? 350 ???? ????Example f or a bio-degr adable polymer is (Answer : C)
???????? ???????? ???????????? a) Polyethylene b ????b) Polypropylene c ????c) Poly lactic acid d ????d)Polyester
???????????? 351 ???? ????Exposure of human body to r adiation may cause... (Answer : D)
???????? ???????? ???????????? a) a) Polio ????b) b) Gastroenteritis ????c) c) Haemophilia ????d)d) Leukemia
???????????? 352 ???? ????Increased heart beat, constriction of blood vessels and dilation of pupil are symptoms of.... (Answer :
A)
???????? ???????? ???????????? a) a) Sound pollution ????b) b) Thermal pollution ????c) c) Air pollution ????d)d) Nuclear pollution
???????????? 353 ???? ????India Government passed the Air act in the year (Answer : B)
???????? ???????? ???????????? a) a) 1991 ????b) b) 1981 ????c) c) 1982 ????d)d) 2001
???????????? 354 ???? ????Inf ection of HIV is usually detected by which test (Answer : A)
???????? ???????? ???????????? a) Elisa test b ????b) Hybridization c ????c) Gr am staining d ????d)None
???????????? 355 ???? ????IPCC (Answer : C)
???????? ???????? ???????????? a) a) International Panel on Climate Change ????b) b) International Peace Conf erence f or Climate ????c) c)
Intergovernmental Panel on Climate Change ????d)d) Intercontinental Plans f or Continuous
???????????? 356 ???? ????Largest source of air pollution in cities are .... (Answer : C)
???????? ???????? ???????????? a) a) Industries ????b) b) Sewage ????c) c) Automobiles ????d)d) Tanneries
???????????? 357 ???? ????Leader of ?Narmada Bachao Andolan? (Answer : B)
???????? ???????? ???????????? a) Vandana Siva b ????b) Medha Patkar c ????c) Menaka Gandhi d ????d)Mayilamma
???????????? 358 ???? ????Minamata disease is due to... (Answer : A)
???????? ???????? ???????????? a) a) Mercury poisoning ????b) b) Lead poisoning ????c) c) Arsenic poisoning ????d)d) Cadmium poisoning
???????????? 359 ???? ????Mullaperiyar dam is in the district? (Answer : C)
???????? ???????? ???????????? a) Thrissur b ????b) Pathanamthitta c ????c) Idukki d ????d)Alappuzha.
???????????? 360 ???? ????National Maritime Day of India is celebr ated on ______________ (Answer : B)
???????? ???????? ???????????? a) October 16 b ????b) April 05 c ????c) March 21 d ????d)May 22
???????????? 361 ???? ????Natur al earthquakes are caused by __________ (Answer : A)
???????? ???????? ???????????? a) Earth?s crust b ????b) deep seas c ????c) peak mountains d ????d)f orests
???????????? 362 ???? ????Noise is _______________ (Answer : C)
???????? ???????? ???????????? a) Huge sound b ????b) Sound of vehicles c ????c) Undesir able and unwanted sound d ????d)Sound of
cr ackers
???????????? 363 ???? ????Of ficial date of Earth Day is on _________ (Answer : A)
???????? ???????? ???????????? a) April 22 b ????b) March 21 c ????c) May 22 d ????d)June 05
???????????? 364 ???? ????On which date was the Stockholm Conf erence on Human Environment held? (Answer : C)
???????? ???????? ???????????? a) July 6th 1974 b ????b) Aug 8th 1976 c ????c) June 5th 1972 d ????d)Dec 12th 1990
???????????? 365 ???? ????One third of the global cases of Tuberculosis is in (Answer : C)
???????? ???????? ???????????? a) Britain b ????b) Sweden c ????c) India d ????d)China
???????????? 366 ???? ????Organ af f ected by pneumonia (Answer : D)
???????? ???????? ???????????? a) Liver b ????b) Kidney c ????c) Heart d ????d)Lungs.
???????????? 367 ???? ????Ozone (Answer : A)
???????? ???????? ???????????? a) a) strong poisonous f orm of Oxygen with 3 atoms in a molecule ????b) b) A mix of various gases
f orming a protective cover ????c) c) Purest f orm of Oxygen which increases its supply on earth ????d)d) a strong and
protective compound from Oxygen and Hydrogen
???????????? 368 ???? ????Ozone in lower atmosphere is an example of ... (Answer : B)
???????? ???????? ???????????? a) a) Primary pollutant ????b) b) Secondary pollutant ????c) c) Tertiary pollutant ????d)d) Not a pollutant
???????????? 369 ???? ????Ozone layer is (Answer : A)
???????? ???????? ???????????? a) A) 20 ? 50 km above the surf ace of the earth ????b) B) 70 to 90 kms above the earth ????c) C) 30 ? 40
kms below the earth ????d)D) 20 ? 50 kms below the sea level.
???????????? 370 ???? ????Ozone layer is situated in which str ata of artmosphere? (Answer : B)
???????? ???????? ???????????? a) Thermosphere ????b) (b) str atosphere ????c) (c) ionosphere ????d)(d) mesosphere
???????????? 371 ???? ????Poisonous gas caused Bhopal gas tr agedy (Answer : A)
???????? ???????? ???????????? a) Methyl isocyanate ????b) (b) Ethyl isocyante ????c) (c) Methyl isocyanide ????d)(d) Ethyl isocyamide
???????????? 372 ???? ????Presence of E. coli in water is an indication of (Answer : A)
???????? ???????? ???????????? a) Fecal contamination (b ????b) Lead contamination (c ????c) Vir al contamination (d ????d)Mercury
contamination
???????????? 373 ???? ????Public awareness of environment creates ___________ (Answer : A)
???????? ???????? ???????????? a) Environment protection b ????b) Environment degr adation c ????c) Environmental improvement d
????d)Environmental cultivation
???????????? 374 ???? ????Public Health is not dependent on (Answer : C)
???????? ???????? ???????????? a) a) saf e drinking water ????b) b) suf ficient f ood ????c) c) competitive market conditions ????d)d) good
social conditions
???????????? 375 ???? ????Rain water harvesting is a ma jor method implemented f or_____________ (Answer : A)
???????? ???????? ???????????? a) Water Conservation b ????b) Soil Conservation c ????c) Forest conservation d ????d)Ecological
conservation
???????????? 376 ???? ????Salmonellosis is a disease related to consumption of (Answer : D)
???????? ???????? ???????????? a) Chicken b ????b) Eggs c ????c) Mutton d ????d)Fish
???????????? 377 ???? ????Soil pollution is caused by.... (Answer : D)
???????? ???????? ???????????? a) a) Industrial wastes ????b) b) Detergents ????c) c) Agrochemicals ????d)d) All of these
???????????? 378 ???? ????Some pollutants combine with hemoglobin and impede oxygen tr ansport. Such pollutants are...
(Answer : C)
???????? ???????? ???????????? a) a) SO 3 ????b) b) N2 O ????c) c) CO ????d)d) All of these
???????????? 379 ???? ????Spr aying of DDT to kill insects causes pollution of..... (Answer : D)
???????? ???????? ???????????? a) a) Air ????b) b) Water ????c) c) Soil ????d)d) All of these
???????????? 380 ???? ????Superbugs are (Answer : B)
???????? ???????? ???????????? a) Synthetic bug b ????b) Bacteria c ????c) Radio nucleotide d ????d)Industries
???????????? 381 ???? ????The 3 R principle in waste management involves (Answer : B)
???????? ???????? ???????????? a) Reduce, Regain, Reuse b ????b) Reduce, Reuse, Recycle c ????c) Reduce, Ref orm, Reset d ????d)Reduce,
Retain, Regain
???????????? 382 ???? ????The Anthr ax disease is caused by (Answer : B)
???????? ???????? ???????????? a) Virus b ????b) Bacteria c ????c) Protozoa d ????d)Helminthes
???????????? 383 ???? ????The chemical structure of Ozone is (Answer : B)
???????? ???????? ???????????? a) O 2 ????b) O3 ????c) O4 ????d)OZ3
???????????? 384 ???? ????The controversial dam across the river Narmada? (Answer : A)
???????? ???????? ???????????? a) Sardar Sarovar b ????b) Hir akud c ????c) Bhakr anangal d ????d)Sutlej.
???????????? 385 ???? ????The deadliest Tsunami in recorded history took place on (Answer : A)
???????? ???????? ???????????? a) 26-Dec-2004 b ????b) 26-Dec-2000 c ????c) 15-Nov-1990 d ????d)15-Dec-1999
???????????? 386 ???? ????The environmental stresses caused by urban individuals are expressed by (Answer : B)
???????? ???????? ???????????? a) Ecological pyr amid ????b) (b) Ecological f ootprint ????c) (c) Ecological indicators ????d)(d) Ecological index
???????????? 387 ???? ????The Expansion of SPCA (Answer : B)
???????? ???????? ???????????? a) Society f or the Protection of Common Animals b ????b) Society f or the Prevention of Cruelty to
Animals c ????c) Society f or the Prohibition of Cruelty to Animals d ????d)none
???????????? 388 ???? ????The expansion on PQLI is (Answer : A)
???????? ???????? ???????????? a) physical quality of lif e index b ????b) population quotient of lif e in India c ????c) poor quality of lif e in
India d ????d)poverty, quality of lif e in India
???????????? 389 ???? ????The f unction of ozone layer (Answer : C)
???????? ???????? ???????????? a) a) to prevent strong wind and r ains ????b) b) to f acilitate precipitation at lower levels ????c) c) to protect
earth from sun?s harmf ul ultr a-violet r adiation ????d)d) to increase the supply of oxygen
???????????? 390 ???? ????The historical monument that is af f ected by acid r ain is (Answer : A)
???????? ???????? ???????????? a) Ta j Mahal b ????b) Pyr amid of Egypt c ????c) Pisa T ower d ????d)Golden Temple
???????????? 391 ???? ????The intensity of earthquake is measured in ____________ (Answer : B)
???????? ???????? ???????????? a) Beauf ort scale b ????b) Richter scale c ????c) Mohs scale d ????d)Joules
???????????? 392 ???? ????The ma jor cause of depletion of ozone layer in the atmosphere is... (Answer : B)
???????? ???????? ???????????? a) a) Freon Gases ????b) b) CFC ????c) c) N 2 O ????d)d) CO 2
???????????? 393 ???? ????The ma jor reason why earth?s surf ace increases its temper ature is due to (Answer : C)
???????? ???????? ???????????? a) a) The earth?s surf ace is getting exposed ????b) b) The increase in the use of plastics ????c) c) About
75% of the solar energy reaching the earth surf ace is getting absorbed by earth ????d)The depleation of ozone
???????????? 394 ???? ????The method of simultaneous integr ation of trees with agricultur al crops is called (Answer : A)
???????? ???????? ???????????? a) Agro f orestry b ????b) Def orestation c ????c) Ref orestation d ????d)combined culture
???????????? 395 ???? ????The most widely f ound pollutant in the air is..... (Answer : A)
???????? ???????? ???????????? a) a) CO 2 ????b) b) CFC ????c) c) CO ????d)d) SO 2
???????????? 396 ???? ????The movement ?Pani Pan jayath? was initiated to conserve waters in the drought prone areas of
...................state. (Answer : C)
???????? ???????? ???????????? a) Tamilnadu b ????b) Ra jasthan c ????c) Mahar ashtr a d ????d)Karnataka
???????????? 397 ???? ????The nations threatened by submergence on account of global warming (Answer : D)
???????? ???????? ???????????? a) a) Pakistan and Afghanistan ????b) b) Ir an and Bangladesh ????c) c) Peru and West Indies ????d)d)
Bangladesh and Maldives
???????????? 398 ???? ????The pro jected rise in sea level in the near f uture (Answer : C)
???????? ???????? ???????????? a) a) 1.5 m ????b) b) 1.2 cm to 2.2 cm ????c) c) 9 cm to 88 cm ????d)d) 10 cm to 20 cm
???????????? 399 ???? ????The pro jected rise in temper ature in the next f ew decades (Answer : B)
???????? ???????? ???????????? a) a) 1.5 to 2 O C ????b) b) 1.4 to 5.8 O C ????c) c) 2.5 to 3.9 O C ????d)d) 1.5 to 9.2 O C
???????????? 400 ???? ????The R?s in 3Rs Principle stand f or; (Answer : B)
???????? ???????? ???????????? a) a) Reduce, Readiness, Redo ????b) b) Reduce, Reuse, Recycle ????c) c) Reclaim, Remedy,
Remembr ance ????d)d) Reduce, Register, Redo
???????????? 401 ???? ????The term ?Nuclear winter? is associated with (Answer : D)
???????? ???????? ???????????? a) Nuclear War b ????b) Nuclear disarmament c ????c) Nuclear weapon testing d ????d)After ef f ect of a
nuclear explosion
???????????? 402 ???? ????The word Tsunami is derived from two Japanese words (Answer : B)
???????? ???????? ???????????? a) tsu(big) and nami(flow) ????b) tsu(harbour) and nami(wave) ????c) tsu(big wave) and nami(wave)
????d)None of these
???????????? 403 ???? ????The World Wetlands Day is celebr ated on ________ (Answer : A)
???????? ???????? ???????????? a) February 02 b ????b) February 28 c ????c) June 05 d ????d)March 21
???????????? 404 ???? ????T orrey Canyon is f amous f or (Answer : D)
???????? ???????? ???????????? a) Gulf of War b ????b) Industries c ????c) Electric Potential d ????d)Oil spillage
???????????? 405 ???? ????Utilisation of natur al resources in moder ate manner to remaining something f or the next gener ation is
termed as (Answer : B)
???????? ???????? ???????????? a) a) Resettlement ????b) b) Sustainable development ????c) c) Rehabilitation ????d)d) Mutual development
???????????? 406 ???? ????Vermi-composting is a natur al method of (Answer : A)
???????? ???????? ???????????? a) Producing compost manure b ????b) Producing worms c ????c) Managing waste it creates d
????d)Destroying worms
???????????? 407 ???? ????Water pollution is caused by.... (Answer : B)
???????? ???????? ???????????? a) a) CO ????b) b) Fertilizers ????c) c) PAN ????d)d) Fossil f uels
???????????? 408 ???? ????What are the chemicals that lead to acid r ain? (Answer : B)
???????? ???????? ???????????? a) A) hydrogen peroxide ????b) B) sulf ur dioxide & nitrogen oxide ????c) C) Carbon dioxide ????d)D)
Ammonium phosphate & various silicates.
???????????? 409 ???? ????What causes acid r ain? (Answer : B)
???????? ???????? ???????????? a) A) open def ecation ????b) B) burning of f ossil f uels ????c) C) increase spread of paddy fields ????d)D)
the use of cowdung.
???????????? 410 ???? ????What is ?Black Lung?? (Answer : A)
???????? ???????? ???????????? a) Occupational Hazard to the miners b ????b) Occupational Hazard to navigators c ????c) Occupational
Hazard to pesticide applicators. d ????d)None of these
???????????? 411 ???? ????What is ?tempor ary threshold shift?? (Answer : A)
???????? ???????? ???????????? a) Hearing loss due to excessive noise b ????b) Noise that is untoler able c ????c) T oler able noise d
????d)inaudible noise
???????????? 412 ???? ????What is Bagasse? What is it used f or? (Answer : A)
???????? ???????? ???????????? a) Sugar cane waste ? to make paper b ????b) Biogas ? used as f uel c ????c) Liquid waste ? as f ertilizer d
????d)Vermi compost ? as f ertilizer
???????????? 413 ???? ????What is Carcinogen? (Answer : C)
???????? ???????? ???????????? a) Drugs f or curing inf ectious disease b ????b) Drugs used f or curing cancer c ????c) Cancer causing
agent d ????d)Food colour ants
???????????? 414 ???? ????What is GIS? (Answer : A)
???????? ???????? ???????????? a) Geogr aphical Inf ormation System (b ????b) Geological Inf ormation System (c ????c) Geogr aphical Index
System (d ????d)Geogr aphical Inf ormation Status
???????????? 415 ???? ????What is meant by GM f oods? (Answer : B)
???????? ???????? ???????????? a) Growth modified f oods b ????b) Genetically modified f ood c ????c) Growth marked f oods d ????d)Good
mobility f ood
???????????? 416 ???? ????What is the aver age increase in temper ature over last century? (Answer : D)
???????? ???????? ???????????? a) a) 0.6 ????b) b) 0.2 ????c) c) 0.7 ????d)d) 0.8
???????????? 417 ???? ????Where was the Stockholm conf erence on Human Environment held? (Answer : A)
???????? ???????? ???????????? a) Sweden b ????b) Austria c ????c) India d ????d)Greece
???????????? 418 ???? ????Which among the f ollowing is a water borne disease? (Answer : A)
???????? ???????? ???????????? a) Choler a ????b) (b) Tuberculosis ????c) (c) AIDS ????d)(d) Dermatitis
???????????? 419 ???? ????Which blood cells get af f ected by HIV? (Answer : B)
???????? ???????? ???????????? a) RBC ????b) (b) Lymphocytes ????c) (c) Monocytes ????d)(d) Basophil
???????????? 420 ???? ????Which group of mosquitoes are the vectors of malaria? (Answer : C)
???????? ???????? ???????????? a) Culex ????b) (b) Aedes ????c) (c) Anopheles ????d)(d)Mansonia
???????????? 421 ???? ????Which heavy metal is the cause f or black f oot disease? (Answer : B)
???????? ???????? ???????????? a) Cadmium ????b) (b) Arsenic ????c) (c) Mercury ????d)(d) Lead
???????????? 422 ???? ????Which is the first state in India that enf orced a ban to the manuf acture and use of plastics (Answer :
C)
???????? ???????? ???????????? a) Ker ala ????b) West Bangal ????c) Uttarpr adesh ????d)Delhi
???????????? 423 ???? ????Which is the warmest year on record? (Answer : D)
???????? ???????? ???????????? a) a) 1998 ????b) b) 2010 ????c) c) 2015 ????d)d) 2016
???????????? 424 ???? ????Which of the f ollowing is considered a nuclear disaster ? (Answer : D)
???????? ???????? ???????????? a) a) Bhopal Tr agedy of 1984 ????b) b) Chernobyl USSR ????c) c) Three mile incident ????d)d) both b & c
???????????? 425 ???? ????Which one is an example f or megacity in India? (Answer : B)
???????? ???????? ???????????? a) Kochi ????b) (b) Mumbai ????c) (c) Bangalore ????d)(d) Madr as359.
???????????? 426 ???? ????Which one is the permanent sterilization method used f or f emales? (Answer : A)
???????? ???????? ???????????? a) Tubectomy ????b) (b) Vasectomy ????c) (c) Microtomy ????d)(d) Contr aceptive pills
???????????? 427 ???? ????Which state proposed a ban on all types of polythene packing f or the first time in India? (Answer : A)
???????? ???????? ???????????? a) Himachal Pr adesh b ????b) Madhya Pr adesh c ????c) Ker ala d ????d)Karnataka
???????????? 428 ???? ????Which year was declared as the ?Water Year? by Indian government (Answer : C)
???????? ???????? ???????????? a) 2010 b ????b) 2004 c ????c) 2007 d ????d)2000
???????????? 429 ???? ????Who coined the slogan of ?Chipko Movement ? Ecology is Permanent economy (Answer : C)
???????? ???????? ???????????? a) Jawaharlal Nehru b ????b) Salim Ali c ????c) Sunderlal Bahuguna d ????d)Rachel Carson
???????????? 430 ???? ????Who had stated in the Stockholm Conf erence in 1972 that poverty was the greatest polluter? (Answer :
A)
???????? ???????? ???????????? a) Indir a Gandhi b ????b) Mahatma Gandhi c ????c) Ra jiv Gandhi d ????d)Jawaharlal Nehru
???????????? 431 ???? ????Wild lif e protection act was f ormulated during the period of ______ (Answer : A)
???????? ???????? ???????????? a) Mrs. Indir a Gandhi b ????b) Lal Bahadur Shasthri c ????c) Ra jiv Gandhi d ????d)Mor ar ji Desai
???????????? 432 ???? ????With the signing of ---------------------- in 1987, a treaty f or the protection (Answer : D)
???????? ???????? ???????????? a) of ozone layer, the use of -------------- was to be banned by the year ............. ????b) a) Kyoto Protocol,
f ossil f uels, 2010 b) GATT, opium, 2000 ????c) c) BOLT, Ammonia, 2000 ????d)d) Montreal Protocol, CFCs, 2000
???????????? 433 ???? ????World Earth Day is observed on (Answer : D)
???????? ???????? ???????????? a) May 24 b ????b) July 5 c ????c) Aug 2 d ????d)April 22
???????????? 434 ???? ????World environment day is observed every year marks the anniversary of (Answer : B)
???????? ???????? ???????????? a) a) Ramsar Convention-1971 ????b) b) Stockholm conf erence-1972 ????c) c) Rio de Janerio Earth
Summit-1992 ????d)d) Indian Forest Conservation Act -1982
???????????? 435 ???? ????World Water Day is celebr ated on ___________ (Answer : C)
???????? ???????? ???????????? a) May 22 b ????b) June 05 c ????c) March 22 d ????d)May 11
???????????? 436 ???? ????Expand GIS (Answer : A)
???????? ???????? ???????????? a) Geogr aphical Inf ormation System ????b) Geogr aphical Inf ormation Source ????c) Geological
Inf ormation System ????d)Geological Index System
???????????? 437 ???? ????MoEF means (Answer : B)
???????? ???????? ???????????? a) Ministry of Forest and Energy ????b) Ministry of Environment and Forests ????c) Ministry of Fuel and
Energy ????d)Management of Environment and Forestry
???????????? 438 ???? ????Ozone layer is present in (Answer : B)
???????? ???????? ???????????? a) Troposphere ????b) Str atosphere ????c) Mesosphere ????d)Ionosphere
???????????? 439 ???? ????Sedimentation is a (Answer : A)
???????? ???????? ???????????? a) Primary water treatment ????b) Secondary water treatment ????c) Tertiary water treatment ????d)None
of these
???????????? 440 ???? ????Rain during November is more acidic than monsoon r ain due to (Answer : B)
???????? ???????? ???????????? a) Dissolved CO2 ????b) Dissolved SO2 ????c) Dissolved NO2 ????d)None of the above.
???????????? 441 ???? ????Which chemical was responsible f or Bhopal gas tr agedy? (Answer : A)
???????? ???????? ???????????? a) Methyl iso Cyanate ????b) Benzene Hexa Chloride ????c) Tri Nitro T oluene ????d)B & C
???????????? 442 ???? ????Ganga Action Plan in India was launched in the year _________ (Answer : B)
???????? ???????? ???????????? a) 1988 ????b) 1985 ????c) 1980 ????d)1978
???????????? 443 ???? ????What is the name of the action plan f or sustainable development in the Twenty first century fr amed
in the Rio Declar ation on Environment & Development (1992)? (Answer : B)
???????? ???????? ???????????? a) Action 21 ????b) Agenda 21 ????c) Rio 21 ????d)Declar ation 21
???????????? 444 ???? ????The unit of measurement of intensity of sound is in _________ (Answer : A)
???????? ???????? ???????????? a) Decibels ????b) Lux ????c) Parsec ????d)Candela
???????????? 445 ???? ????Enrichment of water body by nutrients like phosphorus and nitrogen called ____________________
(Answer : B)
???????? ???????? ???????????? a) Succession ????b) Eutrophication ????c) Str atification ????d)Climax Vegetation
???????????? 446 ???? ????The worst nuclear accident happened to date is occurred at ___________ (Answer : A)
???????? ???????? ???????????? a) Chernobyl in 1986 ????b) Three Mile Power Plant in 1979 ????c) Sellafield in 1957 ????d)Fukushima in 2011
???????????? 447 ???? ????Ma jor cause of Ozone depletion is due to which chemical? (Answer : A)
???????? ???????? ???????????? a) ChloroFluoroCarbons ????b) Polyphenols ????c) Dioxins ????d)Rayon
???????????? 448 ???? ????The legally binding international agreement to reduce Greenhouse gases by 5% 2012 is _________
(Answer : C)
???????? ???????? ???????????? a) Vienna convention ????b) Montreal Protocol ????c) Kyoto Protocol ????d)None of the above
???????????? 449 ???? ????Which of the f ollowing enhances soil f ertility? (Answer : A)
???????? ???????? ???????????? a) Crop rotation ????b) Improved methods of agriculture ????c) Using new seed varieties ????d)Irrigation
???????????? 450 ???? ????Salinization is ______________________ (Answer : B)
???????? ???????? ???????????? a) Accumulation of salts in water ????b) Accumulation of salts in soil ????c) Accumulation of salts in body
????d)Accumulation of salts in animals
???????????? 451 ???? ????What is oil slick? (Answer : C)
???????? ???????? ???????????? a) Boiled oil ????b) Cooled oil ????c) Thin film of oil in sea water ????d)Oil in deep sea
???????????? 452 ???? ????Cigarette smoking exposes one to __________ (Answer : D)
???????? ???????? ???????????? a) Sulphur dioxide ????b) Carbon dioxide ????c) Nitrogen peroxide ????d)Carbon monoxide
???????????? 453 ???? ????Ozone Hole is a _____________ (Answer : B)
???????? ???????? ???????????? a) Hole in the atmosphere ????b) Destruction of ozone layer ????c) Hole in the hydrosphere ????d)Hole in
the troposphere
???????????? 454 ???? ????Euro II standard ref ers to _________ (Answer : C)
???????? ???????? ???????????? a) Lowering sulf ur content in f uel ????b) Increasing sulf ur content in f uel ????c) Lowering carbon content
in f uel ????d)increasing carbon content in f uel
???????????? 455 ???? ????What is tempor ary threshold shift? (Answer : A)
???????? ???????? ???????????? a) Hearing loss due to excessive noise ????b) Noise that is untoler able ????c) T oler able noise ????d)Inaudible
noise
???????????? 456 ???? ????Acid is an example of _____________ (Answer : A)
???????? ???????? ???????????? a) Corrosive waste ????b) Inf ectious waste ????c) Radioactive waste ????d)Ignitable waste
???????????? 457 ???? ????Any unf avor able alter ation of the environment may be called as (Answer : B)
???????? ???????? ???????????? a) Eutrophication ????b) Environmental pollution ????c) Biomagnification ????d)Bioaccumulation
???????????? 458 ???? ????The presence of solid, liquid or gaseous compounds, which may not be normally present, or in excess
concentr ation in the atmosphere is called (Answer : A)
???????? ???????? ???????????? a) Air pollution ????b) Water pollution ????c) Soil pollution ????d)Radioactive pollution
???????????? 459 ???? ????The depletion of trees is causing accumulation of (Answer : C)
???????? ???????? ???????????? a) NO2 ????b) SO2 ????c) CO2 ????d)O2
???????????? 460 ???? ????Smog is a (Answer : A)
???????? ???????? ???????????? a) Natur al phenomenon ????b) colourless gas ????c) combination of smoke and f og ????d)None of the
above
???????????? 461 ???? ????Air pollution from automobiles can be controlled by fitting (Answer : C)
???????? ???????? ???????????? a) Electrostatic precipitator ????b) wet scrubber ????c) Catalytic converter ????d)All the above.
???????????? 462 ???? ????Minamata disease is caused by (Answer : B)
???????? ???????? ???????????? a) Lead ????b) Mercurry ????c) Cadmium ????d)Arsenic
???????????? 463 ???? ????Which of the f ollowing is a natur al source of Air pollution? (Answer : D)
???????? ???????? ???????????? a) Acid r ain ????b) Precipitation ????c) Storms ????d)Volcanic eruptions
???????????? 464 ???? ????Ef f ect of carbon monoxide on blood, causing (Answer : D)
???????? ???????? ???????????? a) H2C03 ????b) COHb ????c) C02Hb ????d)HbCO2
???????????? 465 ???? ????Which of the f ollowing is a biodegr adable pollutant? (Answer : B)
???????? ???????? ???????????? a) DDT ????b) Sewage ????c) CFC ????d)Freons
???????????? 466 ???? ????The ma jor green house gas which is responsible f or causing about 60% of the green house ef f ect on
earth among the f ollowing is (Answer : A)
???????? ???????? ???????????? a) Carbon monoxide ????b) Methane ????c) NOx ????d)Carbon dioxide
???????????? 467 ???? ????Which of the f ollowing is not pollutant causing water pollution? (Answer : A)
???????? ???????? ???????????? a) Biodegr adable organic waste ????b) Non biodegr adable organic chemicals ????c) Inorganic substances
????d)None of these
???????????? 468 ???? ????BOD is a measure of (Answer : C)
???????? ???????? ???????????? a) Non biodegr adable organic matter ????b) Biodegr adable organic matter ????c) Both (a) and (b)
????d)None of these
???????????? 469 ???? ????Which among the f ollowing is not a primary air pollutant? (Answer : A)
???????? ???????? ???????????? a) Oxides of nitrogen ????b) Volatile organic compounds like hydrocarbons ????c) Suspended particulate
matter ????d)PAN
???????????? 470 ???? ????Longer exposure to NO2 even in small concentr ations may cause disease pertaining to (Answer : A)
???????? ???????? ???????????? a) Liver ????b) Lungs ????c) Kidneys ????d)Heart
???????????? 471 ???? ????Carbon dioxide reacts with moisture in the atmosphere f orming (Answer : A)
???????? ???????? ???????????? a) H2C02 ????b) H2C03 ????c) COHb ????d)CaHC03
???????????? 472 ???? ????Global worming means (Answer : A)
???????? ???????? ???????????? a) Increase in solar r adiation ????b) Increase in Earths Body Temper ature ????c) Acid Rain ????d)All the
above.
???????????? 473 ???? ????Which of the f ollowing is not a Green House Gas? (Answer : A)
???????? ???????? ???????????? a) Ozone ????b) C02 ????c) Water vapour ????d)SO2
???????????? 474 ???? ????Which of the f ollowing is not a solution f or Global worming? (Answer : A)
???????? ???????? ???????????? a) Reducing f ossil f uel consumption ????b) Plantation of more Trees ????c) Def orestation ????d)None of the
above
???????????? 475 ???? ????Global warming af f ects (Answer : A)
???????? ???????? ???????????? a) Food production ????b) Melting of glaciers ????c) Climate change ????d)All of these
???????????? 476 ???? ????The protocol that reduces green house gas emissions is (Answer : A)
???????? ???????? ???????????? a) Kyoto protocol ????b) Cartagena protocol ????c) Montreal protocol ????d)Vienna protocol
???????????? 477 ???? ????Important sources of land pollution are (Answer : A)
???????? ???????? ???????????? a) Industrial Wastes ????b) Agricultur al Wastes ????c) Both a & b ????d)None of the above
???????????? 478 ???? ????Green House ef f ect causes (Answer : A)
???????? ???????? ???????????? a) Rise in temper ature of earth ????b) Increase in r ainf all ????c) Lowering of acid r ain ????d)Lowering in
temper ature of earth
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???????????? 12 ???? ????World Environment Day (Answer : A)
???????? ???????? ???????????? a) 5th June ????b) 5th July ????c) 5th August ????d)5th September
???????????? 13 ???? ????The biggest award f or environmental activities in India is given in the name of an individual. In whose
name is it constituted? (Answer : C)
???????? ???????? ???????????? a) Lal Bahadur Shasthri ????b) Mor ar ji Desai ????c) Indir a Gandhi ????d)Kamar a j.
???????????? 14 ???? ????All f orms of water that comes down on Earth, including r ain, snow, hail etc. is known as _____________
(Answer : C)
???????? ???????? ???????????? a) Calcification ????b) Fixation ????c) Precipitation ????d)Accumulation
???????????? 15 ???? ????The ocean covers ________ percentage of Earth?s surf ace. (Answer : C)
???????? ???????? ???????????? a) 515 ????b) 0.61 ????c) 0.71 ????d)0.91
???????????? 16 ???? ????The portion of the earth and its environment which can support lif e is known as _________ (Answer : B)
???????? ???????? ???????????? a) Crust ????b) Biosphere ????c) Exosphere ????d)Atmosphere
???????????? 17 ???? ????What is troposphere? (Answer : C)
???????? ???????? ???????????? a) Portion of air ????b) Portion of water ????c) Lowest layer of atmosphere where we survive
????d)Portion of sky
???????????? 18 ???? ????The main energy source f or the environment is ________ (Answer : A)
???????? ???????? ???????????? a) Solar energy ????b) Chemical energy ????c) Bioelectric energy ????d)Electrical energy
???????????? 19 ???? ????What is UNCED? (Answer : C)
???????? ???????? ???????????? a) United Nations Conf erence on Education ????b) United Nations Conf erence on Environmental Day
????c) United Nations Conf erence on Environment and Development ????d)None of these.
???????????? 20 ???? ????Atmospheric humidity is measured by (Answer : C)
???????? ???????? ???????????? a) Auxanometer ????b) Photometer ????c) Hygrometer ????d)None
???????????? 21 ???? ????The area to which a species is biologically adapted to live is known (Answer : B)
???????? ???????? ???????????? a) Niche ????b) Habitat ????c) Succession ????d)Community
???????????? 22 ???? ????Study of inter-relationship between organisms and their environment is called (Answer : A)
???????? ???????? ???????????? a) Ecology ????b) Ecosystem ????c) Phytogeogr aphy ????d)Ethology
???????????? 23 ???? ????The term Ecology was coined by (Answer : B)
???????? ???????? ???????????? a) A.G.Tansley ????b) Earnst Haeckel ????c) Aristotle ????d)Linnaeus
???????????? 24 ???? ????An example of an abiotic component (Answer : B)
???????? ???????? ???????????? a) Plants ????b) Soil ????c) Animals ????d)Bacteria
???????????? 25 ???? ????The area to which a species is biologically adapted to live is known (Answer : B)
???????? ???????? ???????????? a) Niche ????b) Habitat ????c) Succession ????d)Community
???????????? 26 ???? ????The objective of environmental education is (Answer : D)
???????? ???????? ???????????? a) Raise consciousness about environmental education ????b) T o teach environmentally appropriate
behaviour ????c) Create an environmental ethic that f osters awareness about ecological inter-dependence of economics,
social and political ????d)All of the above
???????????? 27 ???? ????Which of the f ollowing is not influenced by human activities? (Answer : A)
???????? ???????? ???????????? a) Depletion of ground water ????b) Destruction of mangroves and wetlands ????c) Increased extinction
r ate of species ????d)None of the above
???????????? 28 ???? ????Environmental education is important only at (Answer : D)
???????? ???????? ???????????? a) Primary school stage ????b) Secondary school stage ????c) Collage stage ????d)All stages
???????????? 29 ???? ????Which of the f ollowing conceptual components of the environment are ef f ective tr ansporters of
matter? (Answer : A)
???????? ???????? ???????????? a) Atmosphere and hydrosphere ????b) (b) Atmosphere and lithosphere ????c) (c) Hydrosphere and
lithosphere ????d)(d) Lithosphere and biosphere
???????????? 30 ???? ????Biosphere is (Answer : B)
???????? ???????? ???????????? a) (a) The solid shell of inorganic materials on the surf ace of the Earth ????b) (b) The thin shell of
organic matter on the surf ace of earth comprising of all the living things ????c) (c) The sphere which occupies the
maximum volume of all the spheres ????d)(d) All of the above
???????????? 31 ???? ????Which of the f ollowing conceptual sphere of the environment is having the least stor age capacity f or
matter? (Answer : A)
???????? ???????? ???????????? a) (a) Atmosphere ????b) (b) Lithosphere ????c) (c) Hydrosphere ????d)(d) Biosphere
???????????? 32 ???? ????Which of the f ollowing is an example of impact of development activities on the Hydrosphere? (Answer
: D)
???????? ???????? ???????????? a) (a) Air pollution ????b) (b) Soil pollution ????c) (c) Soil erosion ????d)(d) Water pollution
???????????? 33 ???? ????Weather occurs in the Earths: (Answer : A)
???????? ???????? ???????????? a) (a) Troposhere ????b) (b) Mesophere ????c) (c) Ionosphere ????d)(d) Thermosphere
???????????? 34 ???? ????Biosphere is a term used to represent the: (Answer : C)
???????? ???????? ???????????? a) (a) Entire atmosphere consisting of troposphere, str atosphere, mesosphere, and thermosphere
????b) (b) Entire hydrosphere-representing the entire collection of water over the Earth as well as inside the Earth ????c) (c)
A small zone of Earth, where the lithosphere, hydrosphere, and atmosphere come in contact with one another ????d)(d)
Entire lithosphere-representing the solid Earth and its interior
???????????? 35 ???? ????The term ecology was introduced by: (Answer : A)
???????? ???????? ???????????? a) (a) Haeckel ????b) (b) Odum ????c) (c) Tansely ????d)(d) Ramdeo Mishr a
???????????? 36 ???? ????The study of inter actions between living and non-living organisms and environment is called (Answer :
B)
???????? ???????? ???????????? a) (a) Ecosystem ????b) (b) Ecology ????c) (c) Phyto-geogr aphy ????d)(d) Phytosociology
???????????? 37 ???? ????An ecosystem consist of (Answer : D)
???????? ???????? ???????????? a) (a) Green plants and animals ????b) (b) Green plants and decomposers ????c) (c) Producers and
consumers ????d)(d) Green plants, animals, decomposers and abiotic environment
???????????? 38 ???? ????The environment which has been modified by human activities is called (Answer : B)
???????? ???????? ???????????? a) (a) Natur al environment ????b) (b) Anthropogenic environment ????c) (c) Modem environment ????d)(d)
Urban environment
???????????? 39 ???? ????Which of the f ollowing statements is not true? (Answer : C)
???????? ???????? ???????????? a) (a) Inorganic nutrients are recycled in an ecosystem ????b) (b) Energy flows through the ecosystem
in the f orm of C-C bonds ????c) (c) Energy is recycled in an ecosystem ????d)(d) Respir ation process releases energy
???????????? 40 ???? ????Driving f orce in an ecosystem is (Answer : C)
???????? ???????? ???????????? a) (a) Plants ????b) (b) Producers ????c) (c) Solar energy ????d)(d) Biomass energy
???????????? 41 ???? ????Physical and chemical components of an ecosystem constitute (Answer : C)
???????? ???????? ???????????? a) (a) Biotic structure ????b) (b) Abioltic structure ????c) (c) Both of these ????d)(d) None of these
???????????? 42 ???? ????Which one of the f ollowing is an abiotic component of the ecosystem? (Answer : C)
???????? ???????? ???????????? a) (a) Bacteria ????b) (b) Plants ????c) (c) Humus ????d)(d) Fungi
???????????? 43 ???? ????Which of the f ollowing is a possible producer in an ecosystem? (Answer : A)
???????? ???????? ???????????? a) (a) Plants ????b) (b) Animals ????c) (c) Human beings ????d)(d) Fish
???????????? 44 ???? ????The organisms which f eed on dead organisms and excreta of living organisms are known (Answer : A)
???????? ???????? ???????????? a) (a) Decomposers ????b) (b) Consumers ????c) (c) Producers ????d)(d) Carnivores
???????????? 45 ???? ????A trophic level ref ers to: (Answer : C)
???????? ???????? ???????????? a) (a) Area in the tropics ????b) (b) An organism?s portion in a f ood chain ????c) (c) An organism?s
position in an ecosystem ????d)(d) An organism?s position in a biome
???????????? 46 ???? ????In a f ood chain animals constitute the: (Answer : C)
???????? ???????? ???????????? a) (a) First trophic level ????b) (b) Second trophic level ????c) (c) Intermediate trophic level ????d)(d)
Ultimate trophic level
???????????? 47 ???? ????The f ood chain in which microorganisms breakdown dead producers is called: (Answer : D)
???????? ???????? ???????????? a) (a) Consumer f ood chain ????b) (b) Predator f ood chain ????c) (c) Par asitic f ood chain ????d)(d) Detritus
f ood chain
???????????? 48 ???? ????Food chain starts with (Answer : A)
???????? ???????? ???????????? a) (a) Producer ????b) (b) Herbivores ????c) (c) Carnivores ????d)(d) Omnivores
???????????? 49 ???? ????In a f ood chain, humans are (Answer : D)
???????? ???????? ???????????? a) (a) Secondary consumers ????b) (b) Primary consumer ????c) (c) Producers ????d)(d) Primary and
secondary consumers both
???????????? 50 ???? ????Which one is the correct f ood chain? (Answer : A)
???????? ???????? ???????????? a) (a) Phytoplankton ?? Zooplankton ?? Fish ????b) (b) Zooplankton ?? Phytoplankton ?? Fish ????c)
(c) Zooplankton ?? Protozoans ?? Fish ????d)(d) Gr ass ?? Fish ?? Zooplankton
???????????? 51 ???? ????A f ood web consists of (Answer : A)
???????? ???????? ???????????? a) (a) Interlocking f ood chains ????b) (b) Producers, consumers and decomposers ????c) (c) A portion of
a f ood chain ????d)(d) A set of similar consumers
???????????? 52 ???? ????Food webs are (Answer : C)
???????? ???????? ???????????? a) (a) One kind of f ood ????b) (b) Not related to f ood chains at all ????c) (c) Inter-connected arr angement
of f ood chains ????d)(d) Linear arr angement of f ood chains
???????????? 53 ???? ????Pyr amid of number is given by (Answer : C)
???????? ???????? ???????????? a) (a) Haeckel ????b) (b) Odum ????c) (c) Elton ????d)(d) Tansely
???????????? 54 ???? ????Which ecological pyr amid is always upright? (Answer : C)
???????? ???????? ???????????? a) (a) Pyr amid of number ????b) (b) Pyr amid of biomass ????c) (c) Pyr amid of energy ????d)(d) Pyr amid of
number and biomass
???????????? 55 ???? ????An ecological pyr amid ref ers to the (Answer : D)
???????? ???????? ???????????? a) (a) Pyr amid of energy ????b) (b) Pyr amid of number ????c) (c) Pyr amid of biomass ????d)(d) All of the
above
???????????? 56 ???? ????An ecosystem may not undergo changes because: (Answer : A)
???????? ???????? ???????????? a) (a) It is in a state of homeostasis ????b) (b) It has plants and animals both ????c) (c) It gets solar
energy continuously ????d)(d) The decomposers are present in it
???????????? 57 ???? ????Energy flow in an ecosystem is always: (Answer : A)
???????? ???????? ???????????? a) (a) Unidirectional ????b) (b) Cyclic ????c) (c) Reversible ????d)(d) Multi-directional
???????????? 58 ???? ????The primary producers in a f orest ecosystem are: (Answer : A)
???????? ???????? ???????????? a) (a) Chlorophyll containing trees and plants ????b) (b) Herbivores ????c) (c) Carnivores ????d)(d) Bacteria
and other micro-organism
???????????? 59 ???? ????The desert among the f ollowing which is not a cold desert is: (Answer : D)
???????? ???????? ???????????? a) (a) Golbi desert ????b) (b) Patagonian desert ????c) (c) Atacama desert ????d)(d) Ma java desert
???????????? 60 ???? ????The darker zone in lakes where light penetr ation is negligible is called the: (Answer : D)
???????? ???????? ???????????? a) (a) Euphotic zone ????b) (b) Littor al zone ????c) (c) Limnetic zone ????d)(d) Benthic zone
???????????? 61 ???? ????The zone of a sea lying over the continental shelf is known as the: (Answer : B)
???????? ???????? ???????????? a) (a) Bathyl zone ????b) (b) Neritic zone ????c) (c) Abyssal zone ????d)(d) Littor al zone
???????????? 62 ???? ????Which one of the f ollowing is not a fresh water biome? (Answer : A)
???????? ???????? ???????????? a) (a) Lotic ????b) (b) Lentic ????c) (c) Spings ????d)(d) Deep sea
???????????? 63 ???? ????Tendency of pollutants to become concentr ated in successive trophic levels is known as: (Answer : A)
???????? ???????? ???????????? a) (a) Biomagnification ????b) (b) Biorhythm ????c) (c) Bioremediation ????d)(d) Biopir acy
???????????? 64 ???? ????Eutrophication is: (Answer : B)
???????? ???????? ???????????? a) (a) An improved water quality status of lakes ????b) (b) The result of accumulation of plant nutrients
in water bodies ????c) (c) A process in the carbon cycle ????d)(d) A water purification technique
???????????? 65 ???? ????Increase in f auna and decrease in flor a would be harmf ul due to increase in: (Answer : B)
???????? ???????? ???????????? a) (a) Diseases ????b) (b) CO ????c) (c) O2 ????d)(d) Radioactive pollution
???????????? 66 ???? ????The largest reservoir of nitrogen an our planet is: (Answer : B)
???????? ???????? ???????????? a) (a) Ocean ????b) (b) Atmosphere ????c) (c) Biosphere ????d)(d) Fossil f uels
???????????? 67 ???? ????Overgr azing results in: (Answer : A)
???????? ???????? ???????????? a) (a) Soil erosion ????b) (b) Retention of usef ul species ????c) (c) Productive soils ????d)(d) All of the
above
???????????? 68 ???? ????In the world, the economy of the India is: (Answer : D)
???????? ???????? ???????????? a) (a) Largest ????b) (b) Third largest ????c) (c) Second largest ????d)(d) Fourth largest
???????????? 69 ???? ????In services output, India is: (Answer : C)
???????? ???????? ???????????? a) 10 ????b) 12 ????c) 15 ????d)4
???????????? 70 ???? ?????Smog? is a mixture of (Answer : A)
???????? ???????? ???????????? a) a) Smoke and Fog ????b) (b) Snow and Fog ????c) ( c) Snow and Dust ????d)(d) Sulphur Dioxide and
Fog
???????????? 71 ???? ????A liquid f uel that was f ormed from the ancient remains of sea plants and animals is (Answer : B)
???????? ???????? ???????????? a) Natur al gasb ????b) Petroleumc ????c) Geothermal energyd ????d)Coal
???????????? 72 ???? ????A poisonous gas given out of vehicles exhaust is (Answer : A)
a) Carbon monoxideb ????b) Ethanec ????c) Methaned ????d)Carbon dioxide
???????????? 73 ???? ????A product of photosynthesis is (Answer : C)
???????? ???????? ???????????? a) Carbon dioxideb ????b) Waterc ????c) Oxygend ????d)Chlorophyll
???????????? 74 ???? ????Atmosphere consists of 79 percent Nitrogen and 21 percent Oxygen by (Answer : B)
???????? ???????? ???????????? a) Volumeb ????b) Weightc ????c) Densityd ????d)All of these
???????????? 75 ???? ????Biogas contains mainly (Answer : B)
???????? ???????? ???????????? a) Carbon dioxideb ????b) Methanec ????c) Butaned ????d)Propane
???????????? 76 ???? ????Carbon dioxide constitutes about 0.03% of the atmosphere (Answer : A)
???????? ???????? ???????????? a) By volume(b ????b) By weight(c ????c) By mass(d ????d)None of these
???????????? 77 ???? ????Development activities on the hydrosphere cause (Answer : C)
???????? ???????? ???????????? a) Air pollutionb ????b) Soil pollutionc ????c) Water pollutiond ????d)Soil erosion
???????????? 78 ???? ????Energy flow in an ecosystem is (Answer : C)
???????? ???????? ???????????? a) Bidirectionalb ????b) Unidirectionalc ????c) Multidirectionald ????d)All rounds
???????????? 79 ???? ????Energy from the heat inside the earth is (Answer : B)
???????? ???????? ???????????? a) a Natur al gas ????b) Geothermalc ????c) Petroleumd ????d)Terr athermal
???????????? 80 ???? ????Energy in the r ays from the sun is called (Answer : A)
???????? ???????? ???????????? a) Solar energyb ????b) Wind energyc ????c) Tidal energyd ????d)Water energy
???????????? 81 ???? ????Environment is the lif e support system that includes (Answer : D)
???????? ???????? ???????????? a) Airb ????b) Waterc ????c) Landd ????d)All of the above
???????????? 82 ???? ????Extensive planting of trees to increase cover is called (Answer : A)
???????? ???????? ???????????? a) Af f orestation(b ????b) Agrof orestation(c ????c) Def orestation(d ????d)Social f orestry
???????????? 83 ???? ????Extensive planting of trees to increase f orest cover is called (Answer : A)
???????? ???????? ???????????? a) Af f orestation, b ????b) Agrof orestry, c ????c) Def orestation, d ????d)Social f orestry
???????????? 84 ???? ????Forest and wild lif e are (Answer : A)
???????? ???????? ???????????? a) Renewable resource(b ????b) Non-renewable resources (c ????c) Inexhaustible resources (d ????d)None
of these
???????????? 85 ???? ????Forests prevent soil erosion by binding soil particles in their (Answer : B)
???????? ???????? ???????????? a) Leaves(b ????b) Roots(c ????c) Buds(d ????d)Stems
???????????? 86 ???? ????Formation of hole in Ozone is maximum over (Answer : C)
???????? ???????? ???????????? a) Indiab ????b) Europec ????c) Antarcticad ????d)Africa
???????????? 87 ???? ????Fossil f uel and metallic miner als are: (Answer : C)
???????? ???????? ???????????? a) Renewable resource (b ????b) Inexhaustible resources (c ????c) Non-renewable resources (d ????d)None
of these
???????????? 88 ???? ????Green house ef f ect is linked to (Answer : C)
???????? ???????? ???????????? a) Nitrogen oxidesb ????b) Sulphur dioxidesc ????c) Carbon dioxidesd ????d)Carbon monoxides
???????????? 89 ???? ????In our country the percentage of land under f orest is about: (Answer : B)
???????? ???????? ???????????? a) 20%(b ????b) 19%(c ????c) 25%(d ????d)30%
???????????? 90 ???? ????In respect of water crisis, there have been conflicts/disputes between two countries, or states of the
same country. Which of the f ollowing has never been the case of water conflict? (Answer : D)
???????? ???????? ???????????? a) Cauvery water dispute between Tamil Nadu and Karnataka (b ????b) Yamuna-Betwa dispute between
U.P. and M.P. (c ????c) Sutlej Yamuna Link (SYL ????d)canal dispute between Pun jab and Haryana (d
???????????? 91 ???? ????Instrumentation technology used to locate suitable places f or mining (Answer : C)
???????? ???????? ???????????? a) a) Microscope ????b) b) Salinometer ????c) c) GIS ????d)d) camer a tr ap
???????????? 92 ???? ????Kaveri water dispute is in between: (Answer : D)
???????? ???????? ???????????? a) India and Pakistan (b ????b) Pun jab and Haryana (c ????c) Uttar Pr adesh and Madhya Pr adesh (d
????d)Karnataka and Tamil Nadu
???????????? 93 ???? ????Khetri (Ra jasthan) is f amous f or: (Answer : B)
???????? ???????? ???????????? a) Coal mines(b ????b) Copper mines(c ????c) Gr anite stone(d ????d)Marble stone
???????????? 94 ???? ????Main source of acid r ain is (Answer : A)
???????? ???????? ???????????? a) Sulphur dioxideb ????b) Nitrogenc ????c) Carbon dioxided ????d)Carbon monoxide
???????????? 95 ???? ????Ma jor consumer of wood from f orest is ___________ (Answer : B)
???????? ???????? ???????????? a) Thermal Power Plant ????b) Paper Industry ????c) Chemistry Industry ????d)none
???????????? 96 ???? ????Moisture in the air is known as (Answer : D)
???????? ???????? ???????????? a) a) Water ????b) (b) Fog ????c) ( c) Snow ????d)(d) Humidity
???????????? 97 ???? ????Name the country which virtually closed cod fishery in the 1990?s due to depletion of fish reserves
(Answer : A)
???????? ???????? ???????????? a) a) Canada ????b) b) Argentina ????c) c) Italy ????d)d) India
???????????? 98 ???? ????Name the financial agency which hesistate to support the Sardar Sarovar Pro ject in India in 1993 a result
of the demands of local people threatened with the loss of their livelihoods and homes in the submergence area.
(Answer : B)
???????? ???????? ???????????? a) a) Swiss bank ????b) b) World Bank ????c) c) Bank of India ????d)d) International Monetary Fund
???????????? 99 ???? ????Nitrogen constitutes about 78% of the atmosphere (Answer : C)
???????? ???????? ???????????? a) By weight(b ????b) By mass(c ????c) By volume(d ????d)None of these
???????????? 100 ???? ????Noise is measured by sound meter and the unit is (Answer : C)
???????? ???????? ???????????? a) Hertzb ????b) Joulec ????c) Decibeld ????d)Seconds
???????????? 101 ???? ????One of India?s serious environmental problems is f orest degr adation. What is the main cause of f orest
degr adation? (Answer : A)
???????? ???????? ???????????? a) timber extr action ????b) honey extr action ????c) high altitude ????d)Low Rainf all
???????????? 102 ???? ????Ozone day is observed on (Answer : B)
???????? ???????? ???????????? a) 3rd Januaryb ????b) 16th Septemberc ????c) 10th Novemberd ????d)26th March
???????????? 103 ???? ????Ozone Umbrella is located in which layer of atmosphere (Answer : B)
???????? ???????? ???????????? a) a) Troposphere ????b) (b) Str atosphere ????c) (c) Mesosphere ????d)(d) Ionosphere
???????????? 104 ???? ????Peeling of Ozone umbrella, which protects us from UV r ays, is caused by (Answer : B)
???????? ???????? ???????????? a) Carbon monoxideb ????b) CFCsc ????c) Coal burningd ????d)Methane
???????????? 105 ???? ????Soil erosion removes surf ace soil which contains (Answer : A)
???????? ???????? ???????????? a) Organic matterb ????b) Plant nutrientsc ????c) Both a and bd ????d)none of the above
???????????? 106 ???? ????Sustainable development means (Answer : C)
???????? ???????? ???????????? a) a. meeting present needs without compromising on f uture needs ????b) b. progress of human beings
????c) c. balance between human needs and the ability of earth to provide the resources ????d)d. all of the above
???????????? 107 ???? ????The adverse ef f ect of modern agriculture is (Answer : B)
???????? ???????? ???????????? a) Water pollutionb ????b) Soil degr adationc ????c) Water loggingd ????d)All of the above
???????????? 108 ???? ????The f ossil f uel that is derived from the dead remains of plants that grew some 250 million years ago is
(Answer : C)
???????? ???????? ???????????? a) Petroleumb ????b) Natur al gasc ????c) Coald ????d)LPG
???????????? 109 ???? ????The impact of construction of dams (Answer : D)
???????? ???????? ???????????? a) Submerged f orest b ????b) Loss of wild lif e habitat c ????c) Damages downstream ecosystem d ????d)All
of the above
???????????? 110 ???? ????The ma jor cause f or land degr adation in our country is (Answer : A)
???????? ???????? ???????????? a) Soil erosion(b ????b) Pollution of soil(c ????c) Water-logging(d ????d)None of the above
???????????? 111 ???? ????The ma jor reason f or floods in the rivers Ganges and Br ahmaputr a is ________ (Answer : B)
???????? ???????? ???????????? a) a) Dams in Himalayas ????b) b) Def orestation in Himalayas ????c) c) Heavy r ains ????d)d) Melting of ice
???????????? 112 ???? ????The method of r ainwater harvesting which can be adopted by individual house owners is (Answer : D)
???????? ???????? ???????????? a) Construction of recharge trenches (b ????b) On channel stor age of water (c ????c) Creation of new
water bodies (d ????d)Roof-top r ainwater harvesting
???????????? 113 ???? ????The percentage of total world?s precipitation, which is lost to the atmosphere through evapor ation,
approximates to: (Answer : A)
???????? ???????? ???????????? a) 57%(b ????b) 7%(c ????c) 37%(d ????d)43%
???????????? 114 ???? ????The process of restoring f orests that once existed but was removed at some time in the past is known
as (Answer : B)
???????? ???????? ???????????? a) Af f orestationb ????b) Ref orestationc ????c) Def orestationd ????d)None of these
???????????? 115 ???? ????The share of Hydropower (Hydel pro jects) in worlds commercial electricity production is less than ________
(Answer : D)
???????? ???????? ???????????? a) 2.00% ????b) 4.00% ????c) 12.00% ????d)20.00%
???????????? 116 ???? ????The species restricted to be present in one region are called (Answer : B)
???????? ???????? ???????????? a) Edge speciesb ????b) Endemic species c ????c) Endangered species d ????d)Keystone species
???????????? 117 ???? ????The teeth are likely to be pitted, more susceptible to cavities and wear, when the fluoride concentr ation
is: (Answer : D)
???????? ???????? ???????????? a) More than 2 mg/1 (b ????b) More than 40 mg/1 (c ????c) More than 20 mg/1 (d ????d)More than 4 mg/1
???????????? 118 ???? ????The term ?Environment? has been derived from the French word which means to encircle or surround
(Answer : A)
???????? ???????? ???????????? a) Environb ????b) Oikosc ????c) Geod ????d)Aqua
???????????? 119 ???? ????Wetlands in the flood plains of rivers are also considered as nature?s ________ (Answer : C)
???????? ???????? ???????????? a) a) Heat sink ????b) b) carbon sink ????c) c) flood control systems ????d)d) swimming pool
???????????? 120 ???? ????What are rodenticides? (Answer : C)
???????? ???????? ???????????? a) that kill fishes ????b) that kill insects ????c) that kill r ats ????d)that kill crocos
???????????? 121 ???? ????What is Kyoto Protocol? (Answer : A)
???????? ???????? ???????????? a) a. It is an agreement among countries to take steps f or reducing global warming. ????b) b. It is an
agreement among countries to take steps f or reducing acid r ain. ????c) c. It is an agreement among countries to take steps
f or planting trees to control pollution. ????d)d. It is an agreement among countries to start using nuclear energy.
???????????? 122 ???? ????What is the ma jor limiting f actor in the arid areas of our country? (Answer : C)
???????? ???????? ???????????? a) a) Money ????b) b) f orests ????c) c) water ????d)d) soil
???????????? 123 ???? ????What kind of people are the most ill-af f ected by the construction of dams? (Answer : D)
???????? ???????? ???????????? a) a) Urban dwellers ????b) b) beach dwellers ????c) c) tourists ????d)d) tribal people
???????????? 124 ???? ????When fluoride concentr ation in H2O exceeds about 1.5 mg/1, the disease that may be caused, is
(Answer : B)
???????? ???????? ???????????? a) Dental caries in children(b ????b) Fluorosis(c ????c) Polymyelitis(d ????d)Methemoglobinemia
???????????? 125 ???? ????Which among the f ollowing is a sedimentary type of cycle? (Answer : A)
???????? ???????? ???????????? a) Sulphur cycle(b ????b) Nitrogen cycle(c ????c) Oxygen cycle(d ????d)Carbon cycle
???????????? 126 ???? ????Which gas is responsible f or ozone layer depletion around earth? (Answer : B)
???????? ???????? ???????????? a) Carbon dioxideb ????b) Chlorofluorocarbonsc ????c) Oxygend ????d)Nitrogen oxide
???????????? 127 ???? ????Which gas is responsible f or the global warming? (Answer : B)
???????? ???????? ???????????? a) Nitrogenb ????b) Carbon dioxidec ????c) Noble gasesd ????d)Hydrogen
???????????? 128 ???? ????Which is a list of renewable resources? (Answer : D)
???????? ???????? ???????????? a) Petroleum, geothermal, wind b ????b) Biomass, geothermal, hydropower c ????c) Natur al gas, wind,
biomass d ????d)Hydropower, solar, wind energy
???????????? 129 ???? ????Which is the only country who has not r atified the Kyoto Protocol yet? (Answer : A)
???????? ???????? ???????????? a) United States ????b) Austr alia ????c) Japan ????d)India
???????????? 130 ???? ????Which of below items is the ma jor sector which extr acts most of fresh water available f or utilization?
(Answer : D)
???????? ???????? ???????????? a) domestic use ????b) drinking water ????c) bever age industry ????d)agriculture
???????????? 131 ???? ????Which of the f ollowing are consequences of ozone depletion (Answer : A)
???????? ???????? ???????????? a) Skin cancer and catar actb ????b) Reduced growth in plants c ????c) Shortening of zooplanktons and
their breeding period d ????d)All of the above
???????????? 132 ???? ????Which of the f ollowing are ma jor environmental issues involved in mining? (Answer : D)
???????? ???????? ???????????? a) air pollutionb ????b) water pollutionc ????c) soil degr adationd ????d)all of the above
???????????? 133 ???? ????Which of the f ollowing ef f ect is responsible f or Global Warming? (Answer : A)
???????? ???????? ???????????? a) Green house ef f ectb ????b) Radioactive ef f ectc ????c) Solar ef f ectd ????d)Nuclear ef f ect
???????????? 134 ???? ????Which of the f ollowing is management option f or air pollution? (Answer : D)
???????? ???????? ???????????? a) Regulations and standardsb ????b) Tr ansport planningc ????c) Using CNG as f ueld ????d)All of these
???????????? 135 ???? ????Which of the f ollowing is not a method f or water conservation? (Answer : B)
???????? ???????? ???????????? a) Rainwater harvesting(b ????b) Groundwater extr action (c ????c) Improving irrigation ef ficiency (d
????d)Avoiding water wastage
???????????? 136 ???? ????Which of the f ollowing is not a viable protection against def orestation? (Answer : C)
???????? ???????? ???????????? a) Reduce the consumption of f orest and related products (b ????b) Boycott products of companies
involve in def orestation (c ????c) Privatisation of f orest land (d ????d)Environmental education
???????????? 137 ???? ????Which of the f ollowing is not influenced by human activities? (Answer : D)
???????? ???????? ???????????? a) Destruction of mangroves and wetlands b ????b) Depletion of ground water c ????c) Increased
extinction r ate of species d ????d)None of the above
???????????? 138 ???? ????Which of the f ollowing is not true about def orestation? (Answer : C)
???????? ???????? ???????????? a) Population explosion is one of the reasons f or def orestation (b ????b) Cleaning of f orest f or
agriculture causes def orestation. (c ????c) Def orestation is taking place only in developing courtiers. (d ????d)Cash crop
economy of third world is a cause of def orestation.
???????????? 139 ???? ????Which of the f ollowing is responsible f or desertification? (Answer : D)
???????? ???????? ???????????? a) Def orestation(b ????b) Mining(c ????c) Overgr azing(d ????d)All of the above
???????????? 140 ???? ????Which of the f ollowing statements about the f orest is not correct? (Answer : D)
???????? ???????? ???????????? a) Forest reduces soil erosion (b ????b) Provides recreational opportunities (c ????c) Provides economic
development (d ????d)None of the above
???????????? 141 ???? ????Which of these is not a f ossil f uel? (Answer : D)
???????? ???????? ???????????? a) Coalb ????b) Oilc ????c) Natur al gasd ????d)Ur anium
???????????? 142 ???? ????Which one of the f ollowing is not an ideal solution f or tackling water shortages? (Answer : D)
???????? ???????? ???????????? a) Controlling population growth (b ????b) Conserving water in irrigation (c ????c) Controlling water
pollution (d ????d)Drilling large number of deep bore wells
???????????? 143 ???? ????Which one of the f ollowing regions in India is a hotspot of biodiversity? (Answer : B)
???????? ???????? ???????????? a) Sundarbansb ????b) Western Ghatsc ????c) Eastern Ghatsd ????d)Gangetic plains
???????????? 144 ???? ????World environment day is on: (Answer : B)
???????? ???????? ???????????? a) 5th Mayb ????b) 5th Junec ????c) 18th Julyd ????d)16th August
???????????? 145 ???? ????World Forest day is celebr ated on (Answer : A)
???????? ???????? ???????????? a) 21st March b ????b) 5th June c ????c) 1st Dec d ????d)7th June
???????????? 146 ???? ????Yellowing of Ta j Mahal is an ef f ect of (Answer : A)
???????? ???????? ???????????? a) Acid r ainb ????b) Global warmingc ????c) Ozone depletiond ????d)All of the above
???????????? 147 ???? ????Green Revolution in India was initiated by __________ (Answer : A)
???????? ???????? ???????????? a) M.S. Swaminathan ????b) Sunderlal Bahuguna ????c) Kurien ????d)Medha Patkar
???????????? 148 ???? ????Who wrote the book Violence of Green Revolution (Answer : A)
???????? ???????? ???????????? a) Vandana Siva ????b) Sheela Dikshit ????c) Menaka Gandhi ????d)Arundhathi Roy.
???????????? 149 ???? ????World Forest day is celebr ated on (Answer : A)
???????? ???????? ???????????? a) 21st March ????b) 5th June ????c) 1st Dec ????d)7th June
???????????? 150 ???? ????The Chipko movement is started by (Answer : B)
???????? ???????? ???????????? a) Engler ????b) Sunderlal Bahuguna ????c) Medha Padkar ????d)None of these
???????????? 151 ???? ????Green revolution is associated with _________ (Answer : B)
???????? ???????? ???????????? a) sericulture ????b) Agriculture ????c) Fish culture ????d)silviculture
???????????? 152 ???? ????Which gas is likely to be reduced in the atmosphere by def orestation? (Answer : C)
???????? ???????? ???????????? a) Carbon dioxide ????b) Nitrogen ????c) Oxygen ????d)Sulphur dioxide
???????????? 153 ???? ????Extensive planting of trees to increase f orest cover is called (Answer : A)
???????? ???????? ???????????? a) Af f orestation ????b) Agrof orestry ????c) Def orestation ????d)Social f orestry
???????????? 154 ???? ????Soil erosion can be prevented by (Answer : B)
???????? ???????? ???????????? a) Def orestation ????b) Af f orestation ????c) Overgr azing ????d)Removal of vegetation
???????????? 155 ???? ????The components of LPG are _____________ (Answer : B)
???????? ???????? ???????????? a) Methane & Hexane ????b) Propane & Butane ????c) Ethane & Methane ????d)Propane & Ethane
???????????? 156 ???? ????Which of the f ollowing is the most responsible f or world water crisis? (Answer : C)
???????? ???????? ???????????? a) Dams ????b) Floods ????c) Drought ????d)Population growth
???????????? 157 ???? ????The resources that can be replaced by natur al ecological cycle is called (Answer : A)
???????? ???????? ???????????? a) Renewable ????b) Non-renewable ????c) exhaustible ????d)natur al
???????????? 158 ???? ????The amount of solar r adiation reaching the surf ace of the earth is called (Answer : A)
???????? ???????? ???????????? a) Solar flux ????b) reflected light ????c) miner als ????d)solvents
???????????? 159 ???? ????The most harmf ul of ultr aviolet r adiations are (Answer : A)
???????? ???????? ???????????? a) UV-C ????b) UV-B ????c) UV-A ????d)All the above
???????????? 160 ???? ????A renewable source of energy is (Answer : D)
???????? ???????? ???????????? a) Petroleum ????b) Coal ????c) Nuclear f uel ????d)Trees
???????????? 161 ???? ????The capacity to do work is termed as (Answer : D)
???????? ???????? ???????????? a) Power ????b) Force ????c) Strength ????d)Energy
???????????? 162 ???? ????The unit of total water content of the soil is known as (Answer : A)
???????? ???????? ???????????? a) Holard ????b) Chr aserd ????c) Echard ????d)All of the above
???????????? 163 ???? ????Pedology? (Answer : C)
???????? ???????? ???????????? a) Study of water ????b) Study of air ????c) Study of soil ????d)none
???????????? 164 ???? ????What is def orestation? (Answer : B)
???????? ???????? ???????????? a) Product of f orest ????b) Destruction of f orest ????c) Forest Protection ????d)none
???????????? 165 ???? ????Def orestation gener ally decreases (Answer : D)
???????? ???????? ???????????? a) Global Warming ????b) Drought ????c) Soil erosion ????d)Rainf all
???????????? 166 ???? ????Which among the f ollowing result in the f ormation of soil? (Answer : B)
???????? ???????? ???????????? a) Radiation ????b) Weathering ????c) Erosion ????d)Pollution
???????????? 167 ???? ????Mulching helps in (Answer : B)
???????? ???????? ???????????? a) soil f ertility ????b) moisture conservation ????c) improvements soil structure ????d)soil sterility
???????????? 168 ???? ????........................ is an example of ?bottom f eeders?. (Answer : A)
???????? ???????? ???????????? a) Cat fish ????b) Frog ????c) Snake ????d)Tadpole ????e)
???????????? 169 ???? ????..................... trees shed their leaves during winter and hot summer. (Answer : C)
???????? ???????? ???????????? a) (a) ever green ????b) b) conif erous ????c) c) deciduous ????d)d) Shola
???????????? 170 ???? ????...................... is a cold desert in India (Answer : B)
???????? ???????? ???????????? a) Thar ????b) Ladakh ????c) Ran of Kutch ????d)Bhopal
???????????? 171 ???? ????A lake ecosystem f unctions as a (Answer : A)
???????? ???????? ???????????? a) Ter ai ????b) Shola gr asslands ????c) Semi arid plains ????d)Himalayan pastures
???????????? 172 ???? ????An example of nitrogen fixing bacteria in the soil (Answer : C)
???????? ???????? ???????????? a) Rhizobium ????b) Nostoc ????c) Azotobacter ????d)Nitrobacter
???????????? 173 ???? ????An example of one way ecological cycle is (Answer : C)
???????? ???????? ???????????? a) carbon dioxide cycle ????b) water cycle ????c) energy cycle ????d)oxygen cycle
???????????? 174 ???? ????Br ackish water ecosystems in river deltas are among (Answer : B)
???????? ???????? ???????????? a) Least productive ecosystems ????b) Most productive in terms of biomass production ????c) c)
Unproductive d) Stagnant ecosystems ????d)
???????????? 175 ???? ????Ecology is (Answer : C)
???????? ???????? ???????????? a) The science that studies the evolution of lif e, ????b) b) Integr ates both social and natur al sciences to
help us understand how the earth works, ????c) c) The study of the relationships between organisms and their
environment ????d)d) The study of the environment in the absence of humans
???????????? 176 ???? ????Forests grow in high r ain f all areas are (Answer : A)
???????? ???????? ???????????? a) (a) ever green f orests ????b) b) temper ate f orests ????c) c) conif ers ????d)d) Tundr a
???????????? 177 ???? ????Fungi is a (Answer : D)
???????? ???????? ???????????? a) Macroconsumer ????b) Producer ????c) Carnivore d ????d)Microconsumer
???????????? 178 ???? ????Nitrogen fixing blue green alga (Answer : C)
???????? ???????? ???????????? a) Clostridium ????b) Rhizobium ????c) Nostoc ????d)Nitrosomonas
???????????? 179 ???? ????Nitrogen gas returns to the atmosphere by the action of (Answer : B)
???????? ???????? ???????????? a) Nitrogen fixing bacteria ????b) Denitrif ying bacteria ????c) Nitrif ying bacteria ????d)Nitr ate f ertilizers
???????????? 180 ???? ????Patches of tall gr asslands interspersed with Sal f orest ecosystem is (Answer : A)
???????? ???????? ???????????? a) ????b) ????c) ????d)
???????????? 181 ???? ????Ramsar Convention ref ers to the conservation of ____________ (Answer : B)
???????? ???????? ???????????? a) (a) Deserts ????b) b) Wetlands ????c) c) Agriculture lands, ????d)d) Forest land
???????????? 182 ???? ????Some species whose removal can af f ect the survival of an ecosystem are called (Answer : B)
???????? ???????? ???????????? a) ????b) b) Keystone species ????c) c) Producers ????d)d) Carnivores
???????????? 183 ???? ????Sunderbans is home to (Answer : B)
???????? ???????? ???????????? a) Giant permanent pond ????b) Tempor ary aquatic system ????c) Simplest aquatic ecosystem ????d)Water
tank
???????????? 184 ???? ????The conversion of ammonia to nitr ate is known as ________ (Answer : B)
???????? ???????? ???????????? a) (a) ammonification ????b) b) nitrification ????c) c) denitrification ????d)d) all of these
???????????? 185 ???? ????The f orests which occur in law r ain f all area is (Answer : B)
???????? ???????? ???????????? a) (a) Evergreen f orests ????b) b) deciduous f orests ????c) c) Conif erous f orest ????d)d) All the above.
???????????? 186 ???? ????The inherent ability of organisms to reproduce and multiply is called, (Answer : B)
???????? ???????? ???????????? a) C value ????b) b) biotic potential ????c) c) carrying capacity ????d)d) K value
???????????? 187 ???? ????The largest br ackish water lake situated in Asia is in Orissa. Which is the lake? (Answer : A)
???????? ???????? ???????????? a) (a) Chilka lake ????b) b) Vembanad lake ????c) c) Woolar lake ????d)d) Dal lake
???????????? 188 ???? ????The Little Rann of Kutch is home to (Answer : D)
???????? ???????? ???????????? a) Horse ????b) b) Great Indian Bustard ????c) c) Lion ????d)d) Wild Ass
???????????? 189 ???? ????The presence of which is necessary f or photosynthesis (Answer : B)
???????? ???????? ???????????? a) (a) Chlorof orm ????b) b) Chlorophyll ????c) c) Phosphorus ????d)d) Polymer
???????????? 190 ???? ????The process through which ecosystems tend to change after a period of time is called (Answer : A)
???????? ???????? ???????????? a) ????b) ????c) ????d)
???????????? 191 ???? ????The species that flower are called (Answer : C)
???????? ???????? ???????????? a) (a) gymnosperms ????b) b) bryophytes ????c) c) angiosperms ????d)d) algae
???????????? 192 ???? ????The term ?Eco? implies (Answer : A)
???????? ???????? ???????????? a) Environment ????b) Ecotone ????c) Ecotourism ????d)Soil
???????????? 193 ???? ????The term ?Ecology? was coined by (Answer : B)
???????? ???????? ???????????? a) A.G.Tansley ????b) Earnst Haeckel ????c) Aristotle ????d)Linnaeus
???????????? 194 ???? ????The word Biophilia was coined by (Answer : D)
???????? ???????? ???????????? a) Dr. Hackel ????b) Dr.Johanssen ????c) Dr. Ben jamine ????d)E. O. Wilson
???????????? 195 ???? ????What is Dendrology? (Answer : C)
???????? ???????? ???????????? a) Study of Plants ????b) Study of Butterflies ????c) Study of Trees ????d)None of these
???????????? 196 ???? ????What is edge species? (Answer : A)
???????? ???????? ???????????? a) The species which occur abundantly in the ecotone ????b) b) Species on the verge of extinction ????c)
c) Rare species ????d)d) Endemic species
???????????? 197 ???? ????What is symbiosis? (Answer : C)
???????? ???????? ???????????? a) Study of distribution of related species ????b) b) Association between members of same species
????c) c) Association between members of two species ????d)d) None
???????????? 198 ???? ????When number of f ood chains is interlocked this is called (Answer : C)
???????? ???????? ???????????? a) f ood link ????b) f ood chain ????c) f ood web ????d)pyr amid
???????????? 199 ???? ????Which is an example f or sedimentary biogeochemical cycle (Answer : D)
???????? ???????? ???????????? a) Oxygen cycle ????b) Nitrogen cycle ????c) Water cycle ????d)Phosphorus cycle
???????????? 200 ???? ????Which is the second largest in species richness? (Answer : C)
???????? ???????? ???????????? a) Desert ????b) b) Tundr a ????c) c) Cor al reefs ????d)d) Flowing water
???????????? 201 ???? ????Gr assland of USA is ref erred to as (Answer : A)
???????? ???????? ???????????? a) Pr airies ????b) Steppes ????c) Pampas ????d)Veldts
???????????? 202 ???? ????The complex network of interconnected f ood chains is called ___________ (Answer : B)
???????? ???????? ???????????? a) Trophic level ????b) Food web ????c) Ecological pyr amid ????d)Ecology chain
???????????? 203 ???? ????The animal which consumes decaying organic matter is _________ (Answer : B)
???????? ???????? ???????????? a) Carnivore ????b) Detritivore ????c) Herbivore ????d)Producers
???????????? 204 ???? ????An ecosystem gr adually merges with an adjoining one through a tr ansitional zone is called the
______________ (Answer : C)
???????? ???????? ???????????? a) Ecological niche ????b) ecological f ootprint ????c) ecotone ????d)Shore ef f ect
???????????? 205 ???? ????The Primary Consumers are also called as (Answer : A)
???????? ???????? ???????????? a) Herbivores ????b) Carnivores ????c) Enzymes ????d)None of these
???????????? 206 ???? ????The f orests which occur in law r ain f all area is called (Answer : B)
???????? ???????? ???????????? a) Evergreen f orests ????b) deciduous f orests ????c) Conif erous f orest ????d)All the above
???????????? 207 ???? ????Favor able morphological and physiological response to a change in environment is called (Answer : D)
???????? ???????? ???????????? a) Preadaptation ????b) Ecotyping ????c) Formation of ecophenes ????d)Acclimatization
???????????? 208 ???? ????Plants adapted to open, sunny habitats are (Answer : B)
???????? ???????? ???????????? a) Sciophytes ????b) Heliophytes ????c) Mesophytes ????d)Epiphytes
???????????? 209 ???? ????Temper ate f orests occur in India in (Answer : B)
???????? ???????? ???????????? a) Indo-gangetic plains ????b) Himalayas ????c) Eastern India ????d)Southern peninsula
???????????? 210 ???? ????In India, tropical evergreen f orests occur in (Answer : C)
???????? ???????? ???????????? a) Himachal Pr adesh ????b) Madhya Pr adesh ????c) Assam ????d)Tamil Nadu
???????????? 211 ???? ????Which one is natures cleaner? (Answer : C)
???????? ???????? ???????????? a) Consumers ????b) Producers ????c) Decomposers and Scavengers ????d)Symbionts
???????????? 212 ???? ????The relationship between nitrogen fixing bacteria and leguminous plants is an example f or (Answer : C)
???????? ???????? ???????????? a) Par asitism ????b) Predation ????c) Mutualism ????d)Symbiosis
???????????? 213 ???? ????______ trees shed their leaves during winter and hot summer. (Answer : C)
???????? ???????? ???????????? a) Ever green ????b) Conif erous ????c) Deciduous ????d)Shola
???????????? 214 ???? ????Thorn f orests are f ound in the_______ regions (Answer : A)
???????? ???????? ???????????? a) Semi-arid ????b) High r ain f all areas ????c) Low temper ature ????d)Frozen areas
???????????? 215 ???? ????________ is a cold desert in India (Answer : B)
???????? ???????? ???????????? a) Thar ????b) Ladakh ????c) Ran of Kutch ????d)Bhopal
???????????? 216 ???? ????______ is an example of bottom f eeders (Answer : A)
???????? ???????? ???????????? a) Cat fish ????b) Frog ????c) Snake ????d)Tadpole
???????????? 217 ???? ????A Hawk that eats a frog is a (Answer : D)
???????? ???????? ???????????? a) Producer ????b) Primary Consumer ????c) Secondary Consumer ????d)Tertiary Consumer
???????????? 218 ???? ????An example of lotic system (Answer : B)
???????? ???????? ???????????? a) Pond ????b) River ????c) Lake ????d)Reservoir
???????????? 219 ???? ????Complex interlinked f ood chains are called (Answer : A)
???????? ???????? ???????????? a) Food Web ????b) Food net work ????c) Trophic levels ????d)Food pyr amid
???????????? 220 ???? ????Lotic ecosystem ref ers to (Answer : B)
???????? ???????? ???????????? a) Static water system ????b) Ecosystem of flowing water ????c) Ecosystem of estuaries ????d)Deep
marine water system
???????????? 221 ???? ????Autotrophs are ______________ (Answer : D)
???????? ???????? ???????????? a) Consumers ????b) Herbivores ????c) Saprophytes ????d)Producers
???????????? 222 ???? ????Organisms which depened on Producers f or nutrition are called (Answer : C)
???????? ???????? ???????????? a) Autotrophs ????b) Saprophytes ????c) Consumers ????d)Xerophytes
???????????? 223 ???? ????The source of atmospheric oxygen is (Answer : B)
???????? ???????? ???????????? a) Nitrogen cycle ????b) Green Plants ????c) Water ????d)Carbon Cycle
???????????? 224 ???? ????Plants which grow in shade are called (Answer : A)
???????? ???????? ???????????? a) Sciophytes ????b) Heliophytes ????c) Oxylophytes ????d)Epiphytes
???????????? 225 ???? ????Photosynthesis is f ound in (Answer : A)
???????? ???????? ???????????? a) Producers ????b) Decomposers ????c) Consumers ????d)Scavengers
???????????? 226 ???? ????Phytoplankton are (Answer : B)
???????? ???????? ???????????? a) Producers of f orest ????b) Producers of lakes ????c) Consumers of Ocean ????d)Omnivores
???????????? 227 ???? ????Gas released during photosynthesis is (Answer : C)
???????? ???????? ???????????? a) Methane ????b) Nitrogen ????c) Oxygen ????d)Carbon dioxide
???????????? 228 ???? ????The ma jor reservoir of carbon is (Answer : B)
???????? ???????? ???????????? a) The atmosphere ????b) Ocean Bed ????c) Plant and animals ????d)Rock
???????????? 229 ???? ????The simplest aquatic ecosystem can be seen in a (Answer : C)
???????? ???????? ???????????? a) River ????b) Lake ????c) Pond ????d)Water Tank
???????????? 230 ???? ????What is hibernation and aestivation? (Answer : A)
???????? ???????? ???????????? a) Thermal adaptation shown by animals ????b) wind adaptation shown by animals ????c) adaptation of
animals to escape from predators ????d)None
???????????? 231 ???? ????What is lentic habitat ? (Answer : B)
???????? ???????? ???????????? a) Running water habitat ????b) Standing or still water habitat ????c) Marine habitat ????d)None
???????????? 232 ???? ????What is lotic habitat? (Answer : C)
???????? ???????? ???????????? a) Standing or still water habitat ????b) Marine habitat ????c) Running water habitat ????d)Stagnant water
???????????? 233 ???? ????What is Plankton? (Answer : A)
???????? ???????? ???????????? a) Microscopic floating organisms ? Plants and animals. ????b) bottom dwelling aquatic organisms ????c)
Large plants in water ????d)None
???????????? 234 ???? ????What is Canopy? (Answer : A)
???????? ???????? ???????????? a) Uppermost level of the f orest ????b) Ground level of the f orest ????c) Soil in f orest ????d)Climbers on
trees
???????????? 235 ???? ????North American gr assland are called (Answer : B)
???????? ???????? ???????????? a) Pampas ????b) Pr airies ????c) Savannah ????d)None
???????????? 236 ???? ????African gr asslands are called (Answer : C)
???????? ???????? ???????????? a) Pr airies ????b) Pampas ????c) Savannah ????d)None
???????????? 237 ???? ????Green plants are absent in deep sea. Why? (Answer : A)
???????? ???????? ???????????? a) Light is absent ????b) High pressure ????c) low temper ature ????d)Great depth
???????????? 238 ???? ????What is desertification? (Answer : D)
???????? ???????? ???????????? a) Conversion of f orests into desert ????b) Conversion of croplands into desert ????c) Conversion of
gr assland into desert ????d)all of the above
???????????? 239 ???? ????The first trophic level in a f ood chain (Answer : A)
???????? ???????? ???????????? a) Green Plants ????b) Herbivores ????c) Carnivores ????d)Bacteria
???????????? 240 ???? ????Sulphur bacteria are examples of (Answer : D)
???????? ???????? ???????????? a) Carnivores ????b) Heterotrophs ????c) Saprophytes ????d)Autotrophs
???????????? 241 ???? ????Green Land biome (Answer : B)
???????? ???????? ???????????? a) Tundr a ????b) Pampas ????c) Taiga ????d)Thaar.
???????????? 242 ???? ????What is deep ecology? (Answer : A)
???????? ???????? ???????????? a) Protecting nature f or its own sake ????b) Ecology of deep sea ????c) Ecology of f orest ????d)Ecology of
caves
???????????? 243 ???? ????Cor al reefs in India can be seen in (Answer : B)
???????? ???????? ???????????? a) Himalayan region ????b) Andaman and Nicobar Islands ????c) Uttarpr adesh ????d)Mahar ashtr a
???????????? 244 ???? ????____________ is one of the most endangered species of Indian birds (Answer : D)
???????? ???????? ???????????? a) Bee eater ????b) Par adise fly catcher ????c) Owl ????d)The great Indian bustard
???????????? 245 ???? ????................. species is known as Azadir achta Indica (Answer : A)
???????? ???????? ???????????? a) Neem ????b) Mango ????c) Jackfruit ????d)Banana
???????????? 246 ???? ????.................... is a marine tortoise which shows the unique phenomenon ?arribada? (Answer : A)
???????? ???????? ???????????? a) Olive Ridley ????b) Star T ortoise ????c) Tr avancore T ortoise ????d)b & c
???????????? 247 ???? ????.................... tree is known as ?flame of the f orest?? (Answer : B)
???????? ???????? ???????????? a) Zizyphus ????b) Butea monosperma ????c) Jackfruit ????d)Pongamea
???????????? 248 ???? ????All are insitu conservation ef f orts except (Answer : C)
???????? ???????? ???????????? a) National parks ????b) Sanctuaries ????c) Zoo ????d)
???????????? 249 ???? ????Approximately, 50% of total world species are present on (Answer : A)
???????? ???????? ???????????? a) tropical r ain f orest ????b) temper ate r ain f orest ????c) temper ate deciduous f orest d ????d)cor al reefs
???????????? 250 ???? ????Bears are usually hunted and killed f or their (Answer : B)
???????? ???????? ???????????? a) Teeth ????b) Skin ????c) Gall bladder ????d)Nails
???????????? 251 ???? ????Biodiversity (Answer : A)
???????? ???????? ???????????? a) increases towards the equator ????b) decreases towards the equator ????c) remains same throughout
the planet d ????d)has no ef f ect on change in latitude
???????????? 252 ???? ????Black Buck is a (Answer : B)
???????? ???????? ???????????? a) Goat ????b) Deer ????c) Butterfly ????d)Bird
???????????? 253 ???? ????Blue whale is placed under (Answer : A)
???????? ???????? ???????????? a) endangered ????b) critically endangered ????c) r are ????d)d) extinct
???????????? 254 ???? ????Conservation within the natur al habitat is (Answer : A)
???????? ???????? ???????????? a) insitu conservation ????b) exsitu conservation ????c) invivo conservation ????d)d) exvivo conservation
???????????? 255 ???? ????Cor al reefs in India can be seen in (Answer : B)
???????? ???????? ???????????? a) Himalayan region ????b) Andaman and Nicobar Islands ????c) Uttarpr adesh ????d)Mahar ashtr a
???????????? 256 ???? ????Dodo is (Answer : D)
???????? ???????? ???????????? a) endangered ????b) b) critically endangered ????c) c) r are ????d)d) extinct
???????????? 257 ???? ????Endemic species are (Answer : B)
???????? ???????? ???????????? a) r are species ????b) b) species localised in a specific region ????c) c) cosmopolitan in distribution d)
critically endangered species ????d)
???????????? 258 ???? ????Ex situ conservation includes (Answer : D)
???????? ???????? ???????????? a) Zoo ????b) Botanic garden ????c) c) Germplasm bank ????d)d) all of the above
???????????? 259 ???? ????Gharial is a (Answer : A)
???????? ???????? ???????????? a) Crocodile ????b) b) Cobr a ????c) c) T ortoise ????d)d) Frog
???????????? 260 ???? ????Herpetology is a br anch of Science which deals with (Answer : C)
???????? ???????? ???????????? a) Aves ????b) Mammals ????c) Reptiles ????d)Fishes
???????????? 261 ???? ????Hot spots are regions of high (Answer : B)
???????? ???????? ???????????? a) r arity ????b) b) endemism ????c) c) critically endangered population d) diversity ????d)d) diversity
???????????? 262 ???? ????India is primary centre of domestication of (Answer : D)
???????? ???????? ???????????? a) Sheep ????b) Goat ????c) Water Buf f alo ????d)Elephants
???????????? 263 ???? ????IUCN (The International Union For Conservation Of Nature And Natur al Resources) headquarters is at
(Answer : A)
???????? ???????? ???????????? a) Morges, Switzerland ????b) Paris, Fr ance ????c) Vienna, Austria d ????d)NewYork, USA
???????????? 264 ???? ????IUCN is also called as (Answer : B)
???????? ???????? ???????????? a) Man and Biosphere progr am ????b) World Conservation Union ????c) World Conservation Consortium
d ????d)World Wide Conservation Union
???????????? 265 ???? ????Killing of animals disturbs (Answer : C)
???????? ???????? ???????????? a) Good f or eco system ????b) Good f or man ????c) The balance of nature ????d)None
???????????? 266 ???? ????MAB progr am stands f or (Answer : D)
???????? ???????? ???????????? a) Man and biotechnology ????b) Material and biology ????c) Man and Biology ????d)Man and Biosphere
???????????? 267 ???? ????Pangolins f eed on (Answer : A)
???????? ???????? ???????????? a) ants ????b) b) fruits ????c) c) leaves ????d)d) roots
???????????? 268 ???? ????Red data book contains data of (Answer : D)
???????? ???????? ???????????? a) all plant species ????b) all animal species ????c) economically important species ????d)threatened
species
???????????? 269 ???? ????Silent Spring is a well known book written by (Answer : C)
???????? ???????? ???????????? a) John Miller ????b) Charles Darwin ????c) Rachel Carson ????d)Aldoleopold
???????????? 270 ???? ????The drug morphine is extr acted from ............... plant (Answer : C)
???????? ???????? ???????????? a) Cocoa ????b) Belladonna ????c) Opium Poppy ????d)Tannin
???????????? 271 ???? ????The first global environmental protection treaty The Montreal Protocol was signed on Sept. 26. (Answer
: D)
???????? ???????? ???????????? a) 1985 ????b) 1990 ????c) 1981 ????d)1987
???????????? 272 ???? ????The most important reason f or decrease in biodiversity is (Answer : D)
???????? ???????? ???????????? a) habitat pollution ????b) introduction of exotic species ????c) overexploitation ????d)habitat destruction
???????????? 273 ???? ????The only ape f ound in India (Answer : C)
???????? ???????? ???????????? a) Gorilla ????b) Chimpanzee ????c) Hoolock gibbon ????d)Or anguttan
???????????? 274 ???? ????Which of the f ollowing is a biodiversity hot sport in India? (Answer : A)
???????? ???????? ???????????? a) Western Ghats ????b) Nandadevi ????c) Eastern Ghats ????d)Ar avalli
???????????? 275 ???? ????Which of the f ollowing region has maximum diversity? (Answer : D)
???????? ???????? ???????????? a) mangroves ????b) temper ate r ainf orest ????c) taiga d ????d)cor al reefs
???????????? 276 ???? ????Which plants die after flowering? (Answer : B)
???????? ???????? ???????????? a) Lotus ????b) Bamboo ????c) Chrysanthemum ????d)Butea
???????????? 277 ???? ????Which tree is known as Cor al tree? (Answer : C)
???????? ???????? ???????????? a) Quercus ????b) Dipterocarps ????c) Erythrina ????d)Zizypus
???????????? 278 ???? ????Salim Ali Centre f or Ornithology and Natur al history is located at ______ (Answer : D)
???????? ???????? ???????????? a) Pune ????b) Hyder abad ????c) Ker ala ????d)Coimbatore
???????????? 279 ???? ????World wildlif e week is observed during (Answer : A)
???????? ???????? ???????????? a) First week of October ????b) Last week of October ????c) Third week of October ????d)First week of
September
???????????? 280 ???? ????Zoological Survey of India is at (Answer : C)
???????? ???????? ???????????? a) Delhi ????b) Mumbai ????c) Kolkata ????d)Chennai
???????????? 281 ???? ????The Salim Ali Bird sanctuary is located at (Answer : B)
???????? ???????? ???????????? a) Pondicherry ????b) Thattekad ????c) Anakkatti ????d)Kalakkadj
???????????? 282 ???? ????Who among the f ollowing is commonly called ?Bird Man of India?? (Answer : A)
???????? ???????? ???????????? a) Salim Ali ????b) M.S. Swaminathan ????c) M.C. Mehta ????d)Raphel Emerson
???????????? 283 ???? ????The phenomenon of occurrence of additional species f ound in the ecotone or tr ansitional zone
between adjoining ecosystems is known as _________ (Answer : A)
???????? ???????? ???????????? a) Edge ef f ect ????b) Root ef f ect ????c) Raman ef f ect ????d)Coolidge ef f ect
???????????? 284 ???? ????A set of organisms that resemble one another in appear ance and behaviour is called a _____________
(Answer : C)
???????? ???????? ???????????? a) Exons ????b) Prions ????c) Species ????d)guilds
???????????? 285 ???? ????All the genes of a population is called (Answer : A)
???????? ???????? ???????????? a) gene pool ????b) Genome ????c) Gene bunch ????d)Gene population
???????????? 286 ???? ????The first protected area in India is ____________ (Answer : B)
???????? ???????? ???????????? a) Silent valley ????b) Corbett National Park ????c) Bandipur sanctuary ????d)Nagar-Hole
???????????? 287 ???? ????The Indian Parliament passed the Biodiversity Bill in the year_________ (Answer : C)
???????? ???????? ???????????? a) 2000 ????b) 2005 ????c) 2002 ????d)2007
???????????? 288 ???? ????The destruction of habitat of plants and animals is called (Answer : C)
???????? ???????? ???????????? a) Endemism ????b) Endangered species ????c) Habitat loss ????d)Flood
???????????? 289 ???? ????Zoos are examples f or (Answer : C)
???????? ???????? ???????????? a) In-situ conservation ????b) In-vivo conservation ????c) Ex-situ conservation ????d)Ex-vivo conservation
???????????? 290 ???? ????In which Indian state is Corbet National park located (Answer : B)
???????? ???????? ???????????? a) Madya Pr adesh ????b) Uttar akhand ????c) Ker ala ????d)Tamilnadu
???????????? 291 ???? ????The first national park of Ker ala (Answer : D)
???????? ???????? ???????????? a) Ar alam ????b) Kottayam ????c) Idukki ????d)Ir avikulam
???????????? 292 ???? ????In which year was Pro ject Tiger launched? (Answer : A)
???????? ???????? ???????????? a) 1973 ????b) 1964 ????c) 1998 ????d)1970
???????????? 293 ???? ????Earth summit of Rio de Janeiro (1992) resulted in (Answer : C)
???????? ???????? ???????????? a) Compilation of Red list ????b) Establishment of biosphere reserves ????c) Conservation of biodiversity
????d)IUCN
???????????? 294 ???? ????Lions are f ound in (Answer : D)
???????? ???????? ???????????? a) Western Ghats ????b) Corbett National Park ????c) Forests of Madhya Pr adesh ????d)Gir f orests
???????????? 295 ???? ????National Park associated with rhinoceros is (Answer : A)
???????? ???????? ???????????? a) Kazir anga ????b) Ranthambore ????c) Corbett ????d)Valley of flowers
???????????? 296 ???? ????Some species of plants and animals are extremely r are and may occur only at a f ew locations are called
(Answer : B)
???????? ???????? ???????????? a) Endemic ????b) Endangered ????c) Vulner able ????d)Threatened
???????????? 297 ???? ????The only known breeding colony of the greater and lesser Flamingos in our country is seen in
???????.. desert. (Answer : A)
???????? ???????? ???????????? a) The Great Rann of Kutch ????b) The Thar ????c) Ladakh ????d)Atacama
???????????? 298 ???? ????The one-horned Rhinoceros is now restricted to which state? (Answer : C)
???????? ???????? ???????????? a) Mahar ashtr a ????b) Gujar at ????c) Assam ????d)Uttar Pr adesh
???????????? 299 ???? ????Asiatic lion is f ound only in _____ (Answer : A)
???????? ???????? ???????????? a) Gir Forest ????b) Manas ????c) Kasir anga ????d)Sundarbans
???????????? 300 ???? ????________ is a marine tortoise which shows the unique phenomenon ???arribada??? (Answer : A)
???????? ???????? ???????????? a) Olive Ridley ????b) Star T ortoise ????c) Tr avancore T ortoise ????d)b & c
???????????? 301 ???? ????Largest reptile in the world (Answer : B)
???????? ???????? ???????????? a) Dr agon ????b) Anaconda ????c) Crocodile ????d)Python
???????????? 302 ???? ????Snow leopard is f ound in which National Park? (Answer : B)
???????? ???????? ???????????? a) Kazir anga ????b) The Great Himalayan ????c) Bhar atpur ????d)Nagarhole
???????????? 303 ???? ????Point Calimere sanctuary is situated in which state? (Answer : A)
???????? ???????? ???????????? a) Tamilnadu ????b) Ker ala ????c) Karnataka ????d)Gujar at
???????????? 304 ???? ????The movement Beej Bachao Andolan was aimed f or the conservation of ________ (Answer : C)
???????? ???????? ???????????? a) Trees ????b) Shrubs ????c) Crops ????d)Coconut
???????????? 305 ???? ????In which year Silent Valley was declared as National Park? (Answer : C)
???????? ???????? ???????????? a) 1988 ????b) 1982 ????c) 1984 ????d)1981
???????????? 306 ???? ????The Red Data book which lists endangered species is maintained by (Answer : C)
???????? ???????? ???????????? a) UNO ????b) WHO ????c) IUCN ????d)WWF
???????????? 307 ???? ????First Biosphere reserve in India (Answer : A)
???????? ???????? ???????????? a) Nilgiri ????b) Agastyamala ????c) Er avikulam ????d)Chinnar
???????????? 308 ???? ????Flag ship species of Choolannur sanctuary (Answer : B)
???????? ???????? ???????????? a) Tiger ????b) Peacock ????c) Elephant ????d)Rhino
???????????? 309 ???? ????Which of the f ollowing is an extinct species? (Answer : C)
???????? ???????? ???????????? a) Tiger ????b) Lion ????c) Dodo ????d)Ostrich
???????????? 310 ???? ????________ is one of the most endangered species of Indian birds (Answer : D)
???????? ???????? ???????????? a) Bee eater ????b) Par adise fly catcher ????c) Owl ????d)The great Indian bustard
???????????? 311 ???? ????Many wild plant and animals are on the verge of extinction due to (Answer : A)
???????? ???????? ???????????? a) Habitat destruction ????b) Climatic changes ????c) Non availability of f ood ????d)None of the above
???????????? 312 ???? ????The most endangered ecosystem in India (Answer : B)
???????? ???????? ???????????? a) Shola f orest ecosystem ????b) Evergreen f orest ecosystem ????c) Pond ecosystem ????d)Tundr a
Ecosystem
???????????? 313 ???? ????Er avikulam National Park conserves (Answer : D)
???????? ???????? ???????????? a) Lion tailed macaque ????b) Tiger ????c) Elephant ????d)Nilgiri Tahr
???????????? 314 ???? ????First National Park in India (Answer : A)
???????? ???????? ???????????? a) Jim Corbert National Park ????b) Bandipur National Park ????c) Gir National Park ????d)Sunderbans
National Park
???????????? 315 ???? ????Agastyamalai Biosphere reserve is in (Answer : B)
???????? ???????? ???????????? a) Pathanamthitta ????b) Thiruvananthapur am ????c) Idukki ????d)Wayanad
???????????? 316 ???? ????What is meant by ex-situ conservation? (Answer : C)
???????? ???????? ???????????? a) Conservation of a species by protecting its habitat along with all other species living there. ????b)
Conservation of f orest eco system ????c) Conservation of a species outside its natur al habitat ????d)Conservation of
plants
???????????? 317 ???? ????The state which constituted green bench (Answer : B)
???????? ???????? ???????????? a) Ker ala ????b) Tamilnadu ????c) Assam ????d)Madhya Pr adesh
???????????? 318 ???? ????Name the endangered animal which is protected in Ra jamalai National park (Answer : C)
???????? ???????? ???????????? a) Chital ????b) Black buck ????c) Nilgiri Tahr ????d)None
???????????? 319 ???? ????Animals and plants are best protected in (Answer : C)
???????? ???????? ???????????? a) Zoos ????b) Botanical Gardens ????c) National Parks ????d)Sanctuaries
???????????? 320 ???? ????Worlds first Teak Forest was planted in 1842 in Ker ala. Identif y the place. (Answer : B)
???????? ???????? ???????????? a) Wayanad ????b) Nilambur ????c) Silent Valley ????d)Nelliyampathy
???????????? 321 ???? ????The Native Place of Redwood trees? (Answer : C)
???????? ???????? ???????????? a) Austr alia ????b) Amazon ????c) Calif ornia ????d)Thailand
???????????? 322 ???? ????Centre of Modern nuclear technology in India (Answer : C)
???????? ???????? ???????????? a) CRAS ????b) SARC ????c) BARC ????d)None of these
???????????? 323 ???? ????What is an Inciner ator? (Answer : A)
???????? ???????? ???????????? a) Furnace used f or burning solid waste ????b) Furnace used f or treating liquid waste ????c) Both a & b
????d)None of these
???????????? 324 ???? ????Photochemical smog is called (Answer : B)
???????? ???????? ???????????? a) T okyo smog ????b) London smog ????c) Los Angeles smog ????d)None
???????????? 325 ???? ????The combustion of waste in the absence of Oxygen is called (Answer : B)
???????? ???????? ???????????? a) Haemolysis ????b) Pyrolysis ????c) Hydrolysis ????d)None
???????????? 326 ???? ????The heating of earths atmosphere due to tr apped r adiation is known as (Answer : D)
???????? ???????? ???????????? a) Global warming ????b) Glass-House ef f ect ????c) Thermal ef f ect ????d)Green House Ef f ect
???????????? 327 ???? ????Thickness of plastic cover permissible to use (Answer : C)
???????? ???????? ???????????? a) 50 Microns ????b) 20 Microns ????c) 100 Microns ????d)10 Microns
???????????? 328 ???? ????A biodegr adable plastic developed by Biopak Corpor ation Austr alia (Answer : A)
a) Biopol ????b) Pet ????c) Polyester ????d)PVC
???????????? 329 ???? ????The Residential and Commercial wastes mainly consist of: (Answer : A)
???????? ???????? ???????????? a) Food wastes ????b) Card board ????c) Packaging materials ????d)None of these
???????????? 330 ???? ????Lead in water can cause (Answer : C)
???????? ???????? ???????????? a) Eye disease ????b) Arthritis ????c) Kidney damage ????d)Hair f alling
???????????? 331 ???? ????Colorless odorless and non corrosive air pollutant is (Answer : C)
???????? ???????? ???????????? a) Sulphur dioxide ????b) Carbon monoxide ????c) Carbon dioxide ????d)Ozone
???????????? 332 ???? ????Disease aggr avated by air pollution is (Answer : C)
???????? ???????? ???????????? a) Choler a ????b) Rheumatism ????c) Bronchitis ????d)Haemophilia
???????????? 333 ???? ????Which of the f ollowing type of pollution can cause the outbreak of Jaundice (Answer : C)
???????? ???????? ???????????? a) Air ????b) Thermal ????c) Water ????d)Land
???????????? 334 ???? ?????Ozone Hole? is a _____________ (Answer : B)
???????? ???????? ???????????? a) Hole in the atmosphere b ????b) Destruction of ozone layer c ????c) Hole in the hydrosphere d ????d)Hole
in the troposphere
???????????? 335 ???? ?????Plumbism? is the disorder develops in man when exposed to..... (Answer : A)
???????? ???????? ???????????? a) a) Lead ????b) b) Mercury ????c) c) Arsenic ????d)d) CO
???????????? 336 ???? ????A pollutant not released by exhaust of automobiles is.... (Answer : C)
???????? ???????? ???????????? a) a) SO 2 ????b) b) CO ????c) c) Fly Ash ????d)d) Hydrocarbon gases
???????????? 337 ???? ????Acid r ain contains (Answer : A)
???????? ???????? ???????????? a) Sulphuric acid b ????b) Hydrochloric acid c ????c) Oxalic acid d ????d)Acetic acid
???????????? 338 ???? ????An example of natur al pollutant is (Answer : D)
???????? ???????? ???????????? a) a) Forest fire ????b) b) Natur al Organic Decay ????c) c) Volcanic eruptions ????d)d) All of the above
???????????? 339 ???? ????An example of non-biodegr adable pollutant is (Answer : B)
???????? ???????? ???????????? a) a) Sewage ????b) b) Plastic ????c) c) Litter ????d)d) Vegetable waste
???????????? 340 ???? ????Birth r ate is called (Answer : C)
???????? ???????? ???????????? a) mortality b ????b) vital index c ????c) natality d ????d)viability
???????????? 341 ???? ????Bishnoi women is connected to (Answer : B)
???????? ???????? ???????????? a) Hindi Film ????b) b) Chipko movement ????c) c) Climate change ????d)d) Women rights
???????????? 342 ???? ????BOD is used f or the measurement of .... (Answer : C)
???????? ???????? ???????????? a) a) Atmospheric pollution ????b) b) Soil pollution ????c) c) Water pollution ????d)d) Nuclear pollution
???????????? 343 ???? ????Causative organisms of Malaria (Answer : C)
???????? ???????? ???????????? a) Bacteria b ????b) Fungus c ????c) Plasmodium d ????d)Virus
???????????? 344 ???? ????Component not released in the burning coal is... (Answer : D)
???????? ???????? ???????????? a) a) NO 2 ????b) b) SO 2 ????c) c) Fly Ash ????d)d) O 2
???????????? 345 ???? ????Death r ate of the population (Answer : A)
???????? ???????? ???????????? a) Mortality b ????b) Viability c ????c) Natality d ????d)Vitality
???????????? 346 ???? ????Ear muf fs or Cotton plugs are used to reduce pollution of..... (Answer : B)
???????? ???????? ???????????? a) a) Air ????b) b) Noise ????c) c) Thermal ????d)d) Nuclear
???????????? 347 ???? ????EIA is the (Answer : C)
???????? ???????? ???????????? a) a) Economic Inf ormation Awareness ????b) b) Environmental Inf ormation Awareness ????c) c)
Environmental Impact Assessment ????d)d) Environmental Impact Avoidance
???????????? 348 ???? ????El Nino (Answer : A)
???????? ???????? ???????????? a) a) a climate cycle in the Pacific Ocean impacting global weather patterns ????b) b) Cold current in the
Atlantic influencing South American weather ????c) c) An annual underwater phenomenon af f ecting global weather
????d)d) A sub-sahar an hot wind af f ecting global climate.
???????????? 349 ???? ????Environmental Protection Act was introduced in the year (Answer : A)
???????? ???????? ???????????? a) 1986 b ????b) 1988 c ????c) 1972 d ????d)1989
???????????? 350 ???? ????Example f or a bio-degr adable polymer is (Answer : C)
???????? ???????? ???????????? a) Polyethylene b ????b) Polypropylene c ????c) Poly lactic acid d ????d)Polyester
???????????? 351 ???? ????Exposure of human body to r adiation may cause... (Answer : D)
???????? ???????? ???????????? a) a) Polio ????b) b) Gastroenteritis ????c) c) Haemophilia ????d)d) Leukemia
???????????? 352 ???? ????Increased heart beat, constriction of blood vessels and dilation of pupil are symptoms of.... (Answer :
A)
???????? ???????? ???????????? a) a) Sound pollution ????b) b) Thermal pollution ????c) c) Air pollution ????d)d) Nuclear pollution
???????????? 353 ???? ????India Government passed the Air act in the year (Answer : B)
???????? ???????? ???????????? a) a) 1991 ????b) b) 1981 ????c) c) 1982 ????d)d) 2001
???????????? 354 ???? ????Inf ection of HIV is usually detected by which test (Answer : A)
???????? ???????? ???????????? a) Elisa test b ????b) Hybridization c ????c) Gr am staining d ????d)None
???????????? 355 ???? ????IPCC (Answer : C)
???????? ???????? ???????????? a) a) International Panel on Climate Change ????b) b) International Peace Conf erence f or Climate ????c) c)
Intergovernmental Panel on Climate Change ????d)d) Intercontinental Plans f or Continuous
???????????? 356 ???? ????Largest source of air pollution in cities are .... (Answer : C)
???????? ???????? ???????????? a) a) Industries ????b) b) Sewage ????c) c) Automobiles ????d)d) Tanneries
???????????? 357 ???? ????Leader of ?Narmada Bachao Andolan? (Answer : B)
???????? ???????? ???????????? a) Vandana Siva b ????b) Medha Patkar c ????c) Menaka Gandhi d ????d)Mayilamma
???????????? 358 ???? ????Minamata disease is due to... (Answer : A)
???????? ???????? ???????????? a) a) Mercury poisoning ????b) b) Lead poisoning ????c) c) Arsenic poisoning ????d)d) Cadmium poisoning
???????????? 359 ???? ????Mullaperiyar dam is in the district? (Answer : C)
???????? ???????? ???????????? a) Thrissur b ????b) Pathanamthitta c ????c) Idukki d ????d)Alappuzha.
???????????? 360 ???? ????National Maritime Day of India is celebr ated on ______________ (Answer : B)
???????? ???????? ???????????? a) October 16 b ????b) April 05 c ????c) March 21 d ????d)May 22
???????????? 361 ???? ????Natur al earthquakes are caused by __________ (Answer : A)
???????? ???????? ???????????? a) Earth?s crust b ????b) deep seas c ????c) peak mountains d ????d)f orests
???????????? 362 ???? ????Noise is _______________ (Answer : C)
???????? ???????? ???????????? a) Huge sound b ????b) Sound of vehicles c ????c) Undesir able and unwanted sound d ????d)Sound of
cr ackers
???????????? 363 ???? ????Of ficial date of Earth Day is on _________ (Answer : A)
???????? ???????? ???????????? a) April 22 b ????b) March 21 c ????c) May 22 d ????d)June 05
???????????? 364 ???? ????On which date was the Stockholm Conf erence on Human Environment held? (Answer : C)
???????? ???????? ???????????? a) July 6th 1974 b ????b) Aug 8th 1976 c ????c) June 5th 1972 d ????d)Dec 12th 1990
???????????? 365 ???? ????One third of the global cases of Tuberculosis is in (Answer : C)
???????? ???????? ???????????? a) Britain b ????b) Sweden c ????c) India d ????d)China
???????????? 366 ???? ????Organ af f ected by pneumonia (Answer : D)
???????? ???????? ???????????? a) Liver b ????b) Kidney c ????c) Heart d ????d)Lungs.
???????????? 367 ???? ????Ozone (Answer : A)
???????? ???????? ???????????? a) a) strong poisonous f orm of Oxygen with 3 atoms in a molecule ????b) b) A mix of various gases
f orming a protective cover ????c) c) Purest f orm of Oxygen which increases its supply on earth ????d)d) a strong and
protective compound from Oxygen and Hydrogen
???????????? 368 ???? ????Ozone in lower atmosphere is an example of ... (Answer : B)
???????? ???????? ???????????? a) a) Primary pollutant ????b) b) Secondary pollutant ????c) c) Tertiary pollutant ????d)d) Not a pollutant
???????????? 369 ???? ????Ozone layer is (Answer : A)
???????? ???????? ???????????? a) A) 20 ? 50 km above the surf ace of the earth ????b) B) 70 to 90 kms above the earth ????c) C) 30 ? 40
kms below the earth ????d)D) 20 ? 50 kms below the sea level.
???????????? 370 ???? ????Ozone layer is situated in which str ata of artmosphere? (Answer : B)
???????? ???????? ???????????? a) Thermosphere ????b) (b) str atosphere ????c) (c) ionosphere ????d)(d) mesosphere
???????????? 371 ???? ????Poisonous gas caused Bhopal gas tr agedy (Answer : A)
???????? ???????? ???????????? a) Methyl isocyanate ????b) (b) Ethyl isocyante ????c) (c) Methyl isocyanide ????d)(d) Ethyl isocyamide
???????????? 372 ???? ????Presence of E. coli in water is an indication of (Answer : A)
???????? ???????? ???????????? a) Fecal contamination (b ????b) Lead contamination (c ????c) Vir al contamination (d ????d)Mercury
contamination
???????????? 373 ???? ????Public awareness of environment creates ___________ (Answer : A)
???????? ???????? ???????????? a) Environment protection b ????b) Environment degr adation c ????c) Environmental improvement d
????d)Environmental cultivation
???????????? 374 ???? ????Public Health is not dependent on (Answer : C)
???????? ???????? ???????????? a) a) saf e drinking water ????b) b) suf ficient f ood ????c) c) competitive market conditions ????d)d) good
social conditions
???????????? 375 ???? ????Rain water harvesting is a ma jor method implemented f or_____________ (Answer : A)
???????? ???????? ???????????? a) Water Conservation b ????b) Soil Conservation c ????c) Forest conservation d ????d)Ecological
conservation
???????????? 376 ???? ????Salmonellosis is a disease related to consumption of (Answer : D)
???????? ???????? ???????????? a) Chicken b ????b) Eggs c ????c) Mutton d ????d)Fish
???????????? 377 ???? ????Soil pollution is caused by.... (Answer : D)
???????? ???????? ???????????? a) a) Industrial wastes ????b) b) Detergents ????c) c) Agrochemicals ????d)d) All of these
???????????? 378 ???? ????Some pollutants combine with hemoglobin and impede oxygen tr ansport. Such pollutants are...
(Answer : C)
???????? ???????? ???????????? a) a) SO 3 ????b) b) N2 O ????c) c) CO ????d)d) All of these
???????????? 379 ???? ????Spr aying of DDT to kill insects causes pollution of..... (Answer : D)
???????? ???????? ???????????? a) a) Air ????b) b) Water ????c) c) Soil ????d)d) All of these
???????????? 380 ???? ????Superbugs are (Answer : B)
???????? ???????? ???????????? a) Synthetic bug b ????b) Bacteria c ????c) Radio nucleotide d ????d)Industries
???????????? 381 ???? ????The 3 R principle in waste management involves (Answer : B)
???????? ???????? ???????????? a) Reduce, Regain, Reuse b ????b) Reduce, Reuse, Recycle c ????c) Reduce, Ref orm, Reset d ????d)Reduce,
Retain, Regain
???????????? 382 ???? ????The Anthr ax disease is caused by (Answer : B)
???????? ???????? ???????????? a) Virus b ????b) Bacteria c ????c) Protozoa d ????d)Helminthes
???????????? 383 ???? ????The chemical structure of Ozone is (Answer : B)
???????? ???????? ???????????? a) O 2 ????b) O3 ????c) O4 ????d)OZ3
???????????? 384 ???? ????The controversial dam across the river Narmada? (Answer : A)
???????? ???????? ???????????? a) Sardar Sarovar b ????b) Hir akud c ????c) Bhakr anangal d ????d)Sutlej.
???????????? 385 ???? ????The deadliest Tsunami in recorded history took place on (Answer : A)
???????? ???????? ???????????? a) 26-Dec-2004 b ????b) 26-Dec-2000 c ????c) 15-Nov-1990 d ????d)15-Dec-1999
???????????? 386 ???? ????The environmental stresses caused by urban individuals are expressed by (Answer : B)
???????? ???????? ???????????? a) Ecological pyr amid ????b) (b) Ecological f ootprint ????c) (c) Ecological indicators ????d)(d) Ecological index
???????????? 387 ???? ????The Expansion of SPCA (Answer : B)
???????? ???????? ???????????? a) Society f or the Protection of Common Animals b ????b) Society f or the Prevention of Cruelty to
Animals c ????c) Society f or the Prohibition of Cruelty to Animals d ????d)none
???????????? 388 ???? ????The expansion on PQLI is (Answer : A)
???????? ???????? ???????????? a) physical quality of lif e index b ????b) population quotient of lif e in India c ????c) poor quality of lif e in
India d ????d)poverty, quality of lif e in India
???????????? 389 ???? ????The f unction of ozone layer (Answer : C)
???????? ???????? ???????????? a) a) to prevent strong wind and r ains ????b) b) to f acilitate precipitation at lower levels ????c) c) to protect
earth from sun?s harmf ul ultr a-violet r adiation ????d)d) to increase the supply of oxygen
???????????? 390 ???? ????The historical monument that is af f ected by acid r ain is (Answer : A)
???????? ???????? ???????????? a) Ta j Mahal b ????b) Pyr amid of Egypt c ????c) Pisa T ower d ????d)Golden Temple
???????????? 391 ???? ????The intensity of earthquake is measured in ____________ (Answer : B)
???????? ???????? ???????????? a) Beauf ort scale b ????b) Richter scale c ????c) Mohs scale d ????d)Joules
???????????? 392 ???? ????The ma jor cause of depletion of ozone layer in the atmosphere is... (Answer : B)
???????? ???????? ???????????? a) a) Freon Gases ????b) b) CFC ????c) c) N 2 O ????d)d) CO 2
???????????? 393 ???? ????The ma jor reason why earth?s surf ace increases its temper ature is due to (Answer : C)
???????? ???????? ???????????? a) a) The earth?s surf ace is getting exposed ????b) b) The increase in the use of plastics ????c) c) About
75% of the solar energy reaching the earth surf ace is getting absorbed by earth ????d)The depleation of ozone
???????????? 394 ???? ????The method of simultaneous integr ation of trees with agricultur al crops is called (Answer : A)
???????? ???????? ???????????? a) Agro f orestry b ????b) Def orestation c ????c) Ref orestation d ????d)combined culture
???????????? 395 ???? ????The most widely f ound pollutant in the air is..... (Answer : A)
???????? ???????? ???????????? a) a) CO 2 ????b) b) CFC ????c) c) CO ????d)d) SO 2
???????????? 396 ???? ????The movement ?Pani Pan jayath? was initiated to conserve waters in the drought prone areas of
...................state. (Answer : C)
???????? ???????? ???????????? a) Tamilnadu b ????b) Ra jasthan c ????c) Mahar ashtr a d ????d)Karnataka
???????????? 397 ???? ????The nations threatened by submergence on account of global warming (Answer : D)
???????? ???????? ???????????? a) a) Pakistan and Afghanistan ????b) b) Ir an and Bangladesh ????c) c) Peru and West Indies ????d)d)
Bangladesh and Maldives
???????????? 398 ???? ????The pro jected rise in sea level in the near f uture (Answer : C)
???????? ???????? ???????????? a) a) 1.5 m ????b) b) 1.2 cm to 2.2 cm ????c) c) 9 cm to 88 cm ????d)d) 10 cm to 20 cm
???????????? 399 ???? ????The pro jected rise in temper ature in the next f ew decades (Answer : B)
???????? ???????? ???????????? a) a) 1.5 to 2 O C ????b) b) 1.4 to 5.8 O C ????c) c) 2.5 to 3.9 O C ????d)d) 1.5 to 9.2 O C
???????????? 400 ???? ????The R?s in 3Rs Principle stand f or; (Answer : B)
???????? ???????? ???????????? a) a) Reduce, Readiness, Redo ????b) b) Reduce, Reuse, Recycle ????c) c) Reclaim, Remedy,
Remembr ance ????d)d) Reduce, Register, Redo
???????????? 401 ???? ????The term ?Nuclear winter? is associated with (Answer : D)
???????? ???????? ???????????? a) Nuclear War b ????b) Nuclear disarmament c ????c) Nuclear weapon testing d ????d)After ef f ect of a
nuclear explosion
???????????? 402 ???? ????The word Tsunami is derived from two Japanese words (Answer : B)
???????? ???????? ???????????? a) tsu(big) and nami(flow) ????b) tsu(harbour) and nami(wave) ????c) tsu(big wave) and nami(wave)
????d)None of these
???????????? 403 ???? ????The World Wetlands Day is celebr ated on ________ (Answer : A)
???????? ???????? ???????????? a) February 02 b ????b) February 28 c ????c) June 05 d ????d)March 21
???????????? 404 ???? ????T orrey Canyon is f amous f or (Answer : D)
???????? ???????? ???????????? a) Gulf of War b ????b) Industries c ????c) Electric Potential d ????d)Oil spillage
???????????? 405 ???? ????Utilisation of natur al resources in moder ate manner to remaining something f or the next gener ation is
termed as (Answer : B)
???????? ???????? ???????????? a) a) Resettlement ????b) b) Sustainable development ????c) c) Rehabilitation ????d)d) Mutual development
???????????? 406 ???? ????Vermi-composting is a natur al method of (Answer : A)
???????? ???????? ???????????? a) Producing compost manure b ????b) Producing worms c ????c) Managing waste it creates d
????d)Destroying worms
???????????? 407 ???? ????Water pollution is caused by.... (Answer : B)
???????? ???????? ???????????? a) a) CO ????b) b) Fertilizers ????c) c) PAN ????d)d) Fossil f uels
???????????? 408 ???? ????What are the chemicals that lead to acid r ain? (Answer : B)
???????? ???????? ???????????? a) A) hydrogen peroxide ????b) B) sulf ur dioxide & nitrogen oxide ????c) C) Carbon dioxide ????d)D)
Ammonium phosphate & various silicates.
???????????? 409 ???? ????What causes acid r ain? (Answer : B)
???????? ???????? ???????????? a) A) open def ecation ????b) B) burning of f ossil f uels ????c) C) increase spread of paddy fields ????d)D)
the use of cowdung.
???????????? 410 ???? ????What is ?Black Lung?? (Answer : A)
???????? ???????? ???????????? a) Occupational Hazard to the miners b ????b) Occupational Hazard to navigators c ????c) Occupational
Hazard to pesticide applicators. d ????d)None of these
???????????? 411 ???? ????What is ?tempor ary threshold shift?? (Answer : A)
???????? ???????? ???????????? a) Hearing loss due to excessive noise b ????b) Noise that is untoler able c ????c) T oler able noise d
????d)inaudible noise
???????????? 412 ???? ????What is Bagasse? What is it used f or? (Answer : A)
???????? ???????? ???????????? a) Sugar cane waste ? to make paper b ????b) Biogas ? used as f uel c ????c) Liquid waste ? as f ertilizer d
????d)Vermi compost ? as f ertilizer
???????????? 413 ???? ????What is Carcinogen? (Answer : C)
???????? ???????? ???????????? a) Drugs f or curing inf ectious disease b ????b) Drugs used f or curing cancer c ????c) Cancer causing
agent d ????d)Food colour ants
???????????? 414 ???? ????What is GIS? (Answer : A)
???????? ???????? ???????????? a) Geogr aphical Inf ormation System (b ????b) Geological Inf ormation System (c ????c) Geogr aphical Index
System (d ????d)Geogr aphical Inf ormation Status
???????????? 415 ???? ????What is meant by GM f oods? (Answer : B)
???????? ???????? ???????????? a) Growth modified f oods b ????b) Genetically modified f ood c ????c) Growth marked f oods d ????d)Good
mobility f ood
???????????? 416 ???? ????What is the aver age increase in temper ature over last century? (Answer : D)
???????? ???????? ???????????? a) a) 0.6 ????b) b) 0.2 ????c) c) 0.7 ????d)d) 0.8
???????????? 417 ???? ????Where was the Stockholm conf erence on Human Environment held? (Answer : A)
???????? ???????? ???????????? a) Sweden b ????b) Austria c ????c) India d ????d)Greece
???????????? 418 ???? ????Which among the f ollowing is a water borne disease? (Answer : A)
???????? ???????? ???????????? a) Choler a ????b) (b) Tuberculosis ????c) (c) AIDS ????d)(d) Dermatitis
???????????? 419 ???? ????Which blood cells get af f ected by HIV? (Answer : B)
???????? ???????? ???????????? a) RBC ????b) (b) Lymphocytes ????c) (c) Monocytes ????d)(d) Basophil
???????????? 420 ???? ????Which group of mosquitoes are the vectors of malaria? (Answer : C)
???????? ???????? ???????????? a) Culex ????b) (b) Aedes ????c) (c) Anopheles ????d)(d)Mansonia
???????????? 421 ???? ????Which heavy metal is the cause f or black f oot disease? (Answer : B)
???????? ???????? ???????????? a) Cadmium ????b) (b) Arsenic ????c) (c) Mercury ????d)(d) Lead
???????????? 422 ???? ????Which is the first state in India that enf orced a ban to the manuf acture and use of plastics (Answer :
C)
???????? ???????? ???????????? a) Ker ala ????b) West Bangal ????c) Uttarpr adesh ????d)Delhi
???????????? 423 ???? ????Which is the warmest year on record? (Answer : D)
???????? ???????? ???????????? a) a) 1998 ????b) b) 2010 ????c) c) 2015 ????d)d) 2016
???????????? 424 ???? ????Which of the f ollowing is considered a nuclear disaster ? (Answer : D)
???????? ???????? ???????????? a) a) Bhopal Tr agedy of 1984 ????b) b) Chernobyl USSR ????c) c) Three mile incident ????d)d) both b & c
???????????? 425 ???? ????Which one is an example f or megacity in India? (Answer : B)
???????? ???????? ???????????? a) Kochi ????b) (b) Mumbai ????c) (c) Bangalore ????d)(d) Madr as359.
???????????? 426 ???? ????Which one is the permanent sterilization method used f or f emales? (Answer : A)
???????? ???????? ???????????? a) Tubectomy ????b) (b) Vasectomy ????c) (c) Microtomy ????d)(d) Contr aceptive pills
???????????? 427 ???? ????Which state proposed a ban on all types of polythene packing f or the first time in India? (Answer : A)
???????? ???????? ???????????? a) Himachal Pr adesh b ????b) Madhya Pr adesh c ????c) Ker ala d ????d)Karnataka
???????????? 428 ???? ????Which year was declared as the ?Water Year? by Indian government (Answer : C)
???????? ???????? ???????????? a) 2010 b ????b) 2004 c ????c) 2007 d ????d)2000
???????????? 429 ???? ????Who coined the slogan of ?Chipko Movement ? Ecology is Permanent economy (Answer : C)
???????? ???????? ???????????? a) Jawaharlal Nehru b ????b) Salim Ali c ????c) Sunderlal Bahuguna d ????d)Rachel Carson
???????????? 430 ???? ????Who had stated in the Stockholm Conf erence in 1972 that poverty was the greatest polluter? (Answer :
A)
???????? ???????? ???????????? a) Indir a Gandhi b ????b) Mahatma Gandhi c ????c) Ra jiv Gandhi d ????d)Jawaharlal Nehru
???????????? 431 ???? ????Wild lif e protection act was f ormulated during the period of ______ (Answer : A)
???????? ???????? ???????????? a) Mrs. Indir a Gandhi b ????b) Lal Bahadur Shasthri c ????c) Ra jiv Gandhi d ????d)Mor ar ji Desai
???????????? 432 ???? ????With the signing of ---------------------- in 1987, a treaty f or the protection (Answer : D)
???????? ???????? ???????????? a) of ozone layer, the use of -------------- was to be banned by the year ............. ????b) a) Kyoto Protocol,
f ossil f uels, 2010 b) GATT, opium, 2000 ????c) c) BOLT, Ammonia, 2000 ????d)d) Montreal Protocol, CFCs, 2000
???????????? 433 ???? ????World Earth Day is observed on (Answer : D)
???????? ???????? ???????????? a) May 24 b ????b) July 5 c ????c) Aug 2 d ????d)April 22
???????????? 434 ???? ????World environment day is observed every year marks the anniversary of (Answer : B)
???????? ???????? ???????????? a) a) Ramsar Convention-1971 ????b) b) Stockholm conf erence-1972 ????c) c) Rio de Janerio Earth
Summit-1992 ????d)d) Indian Forest Conservation Act -1982
???????????? 435 ???? ????World Water Day is celebr ated on ___________ (Answer : C)
???????? ???????? ???????????? a) May 22 b ????b) June 05 c ????c) March 22 d ????d)May 11
???????????? 436 ???? ????Expand GIS (Answer : A)
???????? ???????? ???????????? a) Geogr aphical Inf ormation System ????b) Geogr aphical Inf ormation Source ????c) Geological
Inf ormation System ????d)Geological Index System
???????????? 437 ???? ????MoEF means (Answer : B)
???????? ???????? ???????????? a) Ministry of Forest and Energy ????b) Ministry of Environment and Forests ????c) Ministry of Fuel and
Energy ????d)Management of Environment and Forestry
???????????? 438 ???? ????Ozone layer is present in (Answer : B)
???????? ???????? ???????????? a) Troposphere ????b) Str atosphere ????c) Mesosphere ????d)Ionosphere
???????????? 439 ???? ????Sedimentation is a (Answer : A)
???????? ???????? ???????????? a) Primary water treatment ????b) Secondary water treatment ????c) Tertiary water treatment ????d)None
of these
???????????? 440 ???? ????Rain during November is more acidic than monsoon r ain due to (Answer : B)
???????? ???????? ???????????? a) Dissolved CO2 ????b) Dissolved SO2 ????c) Dissolved NO2 ????d)None of the above.
???????????? 441 ???? ????Which chemical was responsible f or Bhopal gas tr agedy? (Answer : A)
???????? ???????? ???????????? a) Methyl iso Cyanate ????b) Benzene Hexa Chloride ????c) Tri Nitro T oluene ????d)B & C
???????????? 442 ???? ????Ganga Action Plan in India was launched in the year _________ (Answer : B)
???????? ???????? ???????????? a) 1988 ????b) 1985 ????c) 1980 ????d)1978
???????????? 443 ???? ????What is the name of the action plan f or sustainable development in the Twenty first century fr amed
in the Rio Declar ation on Environment & Development (1992)? (Answer : B)
???????? ???????? ???????????? a) Action 21 ????b) Agenda 21 ????c) Rio 21 ????d)Declar ation 21
???????????? 444 ???? ????The unit of measurement of intensity of sound is in _________ (Answer : A)
???????? ???????? ???????????? a) Decibels ????b) Lux ????c) Parsec ????d)Candela
???????????? 445 ???? ????Enrichment of water body by nutrients like phosphorus and nitrogen called ____________________
(Answer : B)
???????? ???????? ???????????? a) Succession ????b) Eutrophication ????c) Str atification ????d)Climax Vegetation
???????????? 446 ???? ????The worst nuclear accident happened to date is occurred at ___________ (Answer : A)
???????? ???????? ???????????? a) Chernobyl in 1986 ????b) Three Mile Power Plant in 1979 ????c) Sellafield in 1957 ????d)Fukushima in 2011
???????????? 447 ???? ????Ma jor cause of Ozone depletion is due to which chemical? (Answer : A)
???????? ???????? ???????????? a) ChloroFluoroCarbons ????b) Polyphenols ????c) Dioxins ????d)Rayon
???????????? 448 ???? ????The legally binding international agreement to reduce Greenhouse gases by 5% 2012 is _________
(Answer : C)
???????? ???????? ???????????? a) Vienna convention ????b) Montreal Protocol ????c) Kyoto Protocol ????d)None of the above
???????????? 449 ???? ????Which of the f ollowing enhances soil f ertility? (Answer : A)
???????? ???????? ???????????? a) Crop rotation ????b) Improved methods of agriculture ????c) Using new seed varieties ????d)Irrigation
???????????? 450 ???? ????Salinization is ______________________ (Answer : B)
???????? ???????? ???????????? a) Accumulation of salts in water ????b) Accumulation of salts in soil ????c) Accumulation of salts in body
????d)Accumulation of salts in animals
???????????? 451 ???? ????What is oil slick? (Answer : C)
???????? ???????? ???????????? a) Boiled oil ????b) Cooled oil ????c) Thin film of oil in sea water ????d)Oil in deep sea
???????????? 452 ???? ????Cigarette smoking exposes one to __________ (Answer : D)
???????? ???????? ???????????? a) Sulphur dioxide ????b) Carbon dioxide ????c) Nitrogen peroxide ????d)Carbon monoxide
???????????? 453 ???? ????Ozone Hole is a _____________ (Answer : B)
???????? ???????? ???????????? a) Hole in the atmosphere ????b) Destruction of ozone layer ????c) Hole in the hydrosphere ????d)Hole in
the troposphere
???????????? 454 ???? ????Euro II standard ref ers to _________ (Answer : C)
???????? ???????? ???????????? a) Lowering sulf ur content in f uel ????b) Increasing sulf ur content in f uel ????c) Lowering carbon content
in f uel ????d)increasing carbon content in f uel
???????????? 455 ???? ????What is tempor ary threshold shift? (Answer : A)
???????? ???????? ???????????? a) Hearing loss due to excessive noise ????b) Noise that is untoler able ????c) T oler able noise ????d)Inaudible
noise
???????????? 456 ???? ????Acid is an example of _____________ (Answer : A)
???????? ???????? ???????????? a) Corrosive waste ????b) Inf ectious waste ????c) Radioactive waste ????d)Ignitable waste
???????????? 457 ???? ????Any unf avor able alter ation of the environment may be called as (Answer : B)
???????? ???????? ???????????? a) Eutrophication ????b) Environmental pollution ????c) Biomagnification ????d)Bioaccumulation
???????????? 458 ???? ????The presence of solid, liquid or gaseous compounds, which may not be normally present, or in excess
concentr ation in the atmosphere is called (Answer : A)
???????? ???????? ???????????? a) Air pollution ????b) Water pollution ????c) Soil pollution ????d)Radioactive pollution
???????????? 459 ???? ????The depletion of trees is causing accumulation of (Answer : C)
???????? ???????? ???????????? a) NO2 ????b) SO2 ????c) CO2 ????d)O2
???????????? 460 ???? ????Smog is a (Answer : A)
???????? ???????? ???????????? a) Natur al phenomenon ????b) colourless gas ????c) combination of smoke and f og ????d)None of the
above
???????????? 461 ???? ????Air pollution from automobiles can be controlled by fitting (Answer : C)
???????? ???????? ???????????? a) Electrostatic precipitator ????b) wet scrubber ????c) Catalytic converter ????d)All the above.
???????????? 462 ???? ????Minamata disease is caused by (Answer : B)
???????? ???????? ???????????? a) Lead ????b) Mercurry ????c) Cadmium ????d)Arsenic
???????????? 463 ???? ????Which of the f ollowing is a natur al source of Air pollution? (Answer : D)
???????? ???????? ???????????? a) Acid r ain ????b) Precipitation ????c) Storms ????d)Volcanic eruptions
???????????? 464 ???? ????Ef f ect of carbon monoxide on blood, causing (Answer : D)
???????? ???????? ???????????? a) H2C03 ????b) COHb ????c) C02Hb ????d)HbCO2
???????????? 465 ???? ????Which of the f ollowing is a biodegr adable pollutant? (Answer : B)
???????? ???????? ???????????? a) DDT ????b) Sewage ????c) CFC ????d)Freons
???????????? 466 ???? ????The ma jor green house gas which is responsible f or causing about 60% of the green house ef f ect on
earth among the f ollowing is (Answer : A)
???????? ???????? ???????????? a) Carbon monoxide ????b) Methane ????c) NOx ????d)Carbon dioxide
???????????? 467 ???? ????Which of the f ollowing is not pollutant causing water pollution? (Answer : A)
???????? ???????? ???????????? a) Biodegr adable organic waste ????b) Non biodegr adable organic chemicals ????c) Inorganic substances
????d)None of these
???????????? 468 ???? ????BOD is a measure of (Answer : C)
???????? ???????? ???????????? a) Non biodegr adable organic matter ????b) Biodegr adable organic matter ????c) Both (a) and (b)
????d)None of these
???????????? 469 ???? ????Which among the f ollowing is not a primary air pollutant? (Answer : A)
???????? ???????? ???????????? a) Oxides of nitrogen ????b) Volatile organic compounds like hydrocarbons ????c) Suspended particulate
matter ????d)PAN
???????????? 470 ???? ????Longer exposure to NO2 even in small concentr ations may cause disease pertaining to (Answer : A)
???????? ???????? ???????????? a) Liver ????b) Lungs ????c) Kidneys ????d)Heart
???????????? 471 ???? ????Carbon dioxide reacts with moisture in the atmosphere f orming (Answer : A)
???????? ???????? ???????????? a) H2C02 ????b) H2C03 ????c) COHb ????d)CaHC03
???????????? 472 ???? ????Global worming means (Answer : A)
???????? ???????? ???????????? a) Increase in solar r adiation ????b) Increase in Earths Body Temper ature ????c) Acid Rain ????d)All the
above.
???????????? 473 ???? ????Which of the f ollowing is not a Green House Gas? (Answer : A)
???????? ???????? ???????????? a) Ozone ????b) C02 ????c) Water vapour ????d)SO2
???????????? 474 ???? ????Which of the f ollowing is not a solution f or Global worming? (Answer : A)
???????? ???????? ???????????? a) Reducing f ossil f uel consumption ????b) Plantation of more Trees ????c) Def orestation ????d)None of the
above
???????????? 475 ???? ????Global warming af f ects (Answer : A)
???????? ???????? ???????????? a) Food production ????b) Melting of glaciers ????c) Climate change ????d)All of these
???????????? 476 ???? ????The protocol that reduces green house gas emissions is (Answer : A)
???????? ???????? ???????????? a) Kyoto protocol ????b) Cartagena protocol ????c) Montreal protocol ????d)Vienna protocol
???????????? 477 ???? ????Important sources of land pollution are (Answer : A)
???????? ???????? ???????????? a) Industrial Wastes ????b) Agricultur al Wastes ????c) Both a & b ????d)None of the above
???????????? 478 ???? ????Green House ef f ect causes (Answer : A)
???????? ???????? ???????????? a) Rise in temper ature of earth ????b) Increase in r ainf all ????c) Lowering of acid r ain ????d)Lowering in
temper ature of earth
???????????? 479 ???? ????Climate and global air circulations are mainly af f ected by the properties of (Answer : A)
???????? ???????? ???????????? a) Water and air ????b) Temper ature ????c) Precipitation ????d)None of the above
???????????? 480 ???? ????Global atmospheric temper atures are likely to be increased due to (Answer : A)
???????? ???????? ???????????? a) Water pollution ????b) Burning of f ossil f uels ????c) Soil erosion ????d)None of the above
???????????? 481 ???? ????What is the maximum allowable concentr ation of fluorides in drinking water? (Answer : A)
???????? ???????? ???????????? a) 3.0 mg/L ????b) 2.5 mg/L ????c) 2.0 mg/L ????d)1.5mg/L
???????????? 482 ???? ????Domestic sewage is (Answer : A)
???????? ???????? ???????????? a) Waste water gener ated from kitchens and bathrooms ????b) Waste water from industries ????c)
Waste water from residential areas ????d)None of the above
???????????? 483 ???? ????The noise is measured in (Answer : A)
???????? ???????? ???????????? a) Decibels ????b) Joule ????c) ppm ????d)Celsius
???????????? 484 ???? ????The main impact of urbanization on plant and animal lif e is (Answer : A)
???????? ???????? ???????????? a) Increase in species ????b) Mutation in species ????c) Both (a) and (b) ????d)Loss of species
???????????? 485 ???? ????Smog is f ormed by the reaction of which air pollutants (Answer : A)
???????? ???????? ???????????? a) Smoke and Mist ????b) Smoke and Fog ????c) Smoke and Bio-Gas ????d)Smoke and Dust
???????????? 486 ???? ????Contribution of carbon dioxide to global warming from industries (Answer : A)
???????? ???????? ???????????? a) 0.5 ????b) 0.24 ????c) 0.25 ????d)0.75
???????????? 487 ???? ????Which of the f ollowing gas is not concern to green house ef f ect? (Answer : A)
???????? ???????? ???????????? a) C02 ????b) CH4 ????c) S02 ????d)Water Vapour
???????????? 488 ???? ????During green house ef f ect, carbon dioxide and water vapours absorbs (Answer : A)
???????? ???????? ???????????? a) Short wave r adiations ????b) Long wave r adiations ????c) Solar r adiation ????d)UV r adiations
???????????? 489 ???? ????Acid r ains are more prominent in (Answer : A)
???????? ???????? ???????????? a) Temper ate regions ????b) Tropical regions ????c) Arid regions ????d)Equally prominent in all
???????????? 490 ???? ????The important gaseous pollutants contributing to acid r ain are (Answer : A)
???????? ???????? ???????????? a) S02andNOx ????b) C02 and H2S ????c) NOxand03 ????d)None of the above
???????????? 491 ???? ????The ozone depletion in the str atosphere is chiefly caused by the release of (Answer : A)
???????? ???????? ???????????? a) Chlorofluoro carbons ????b) Carbon dioxide ????c) Methane ????d)None of the above
???????????? 492 ???? ????The highest value of Acid Rain Recorded was: (Answer : A)
???????? ???????? ???????????? a) 4.5 ????b) 5.7 ????c) 7.2 ????d)2
???????????? 493 ???? ????Movement of Nutrients from the soil by the Acid Rain is called: (Answer : A)
???????? ???????? ???????????? a) Infiltr ation ????b) Tr anspir ation ????c) Leaching ????d)Exfiltr ation
???????????? 494 ???? ????The term acid r ain was coined in the year (Answer : A)
???????? ???????? ???????????? a) 1952 ????b) 1852 ????c) 1652 ????d)1752
???????????? 495 ???? ????The ma jor contributors to the acid r ain are known as (Answer : A)
???????? ???????? ???????????? a) Precursors ????b) Processors ????c) Protons ????d)Pollutants
???????????? 496 ???? ????Primary cause of acid r ain around the world is due to (Answer : A)
???????? ???????? ???????????? a) Carbon dioxide ????b) suphur dioxide ????c) carbon monoxide ????d)Ozone
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???????????? 12 ???? ????World Environment Day (Answer : A)
???????? ???????? ???????????? a) 5th June ????b) 5th July ????c) 5th August ????d)5th September
???????????? 13 ???? ????The biggest award f or environmental activities in India is given in the name of an individual. In whose
name is it constituted? (Answer : C)
???????? ???????? ???????????? a) Lal Bahadur Shasthri ????b) Mor ar ji Desai ????c) Indir a Gandhi ????d)Kamar a j.
???????????? 14 ???? ????All f orms of water that comes down on Earth, including r ain, snow, hail etc. is known as _____________
(Answer : C)
???????? ???????? ???????????? a) Calcification ????b) Fixation ????c) Precipitation ????d)Accumulation
???????????? 15 ???? ????The ocean covers ________ percentage of Earth?s surf ace. (Answer : C)
???????? ???????? ???????????? a) 515 ????b) 0.61 ????c) 0.71 ????d)0.91
???????????? 16 ???? ????The portion of the earth and its environment which can support lif e is known as _________ (Answer : B)
???????? ???????? ???????????? a) Crust ????b) Biosphere ????c) Exosphere ????d)Atmosphere
???????????? 17 ???? ????What is troposphere? (Answer : C)
???????? ???????? ???????????? a) Portion of air ????b) Portion of water ????c) Lowest layer of atmosphere where we survive
????d)Portion of sky
???????????? 18 ???? ????The main energy source f or the environment is ________ (Answer : A)
???????? ???????? ???????????? a) Solar energy ????b) Chemical energy ????c) Bioelectric energy ????d)Electrical energy
???????????? 19 ???? ????What is UNCED? (Answer : C)
???????? ???????? ???????????? a) United Nations Conf erence on Education ????b) United Nations Conf erence on Environmental Day
????c) United Nations Conf erence on Environment and Development ????d)None of these.
???????????? 20 ???? ????Atmospheric humidity is measured by (Answer : C)
???????? ???????? ???????????? a) Auxanometer ????b) Photometer ????c) Hygrometer ????d)None
???????????? 21 ???? ????The area to which a species is biologically adapted to live is known (Answer : B)
???????? ???????? ???????????? a) Niche ????b) Habitat ????c) Succession ????d)Community
???????????? 22 ???? ????Study of inter-relationship between organisms and their environment is called (Answer : A)
???????? ???????? ???????????? a) Ecology ????b) Ecosystem ????c) Phytogeogr aphy ????d)Ethology
???????????? 23 ???? ????The term Ecology was coined by (Answer : B)
???????? ???????? ???????????? a) A.G.Tansley ????b) Earnst Haeckel ????c) Aristotle ????d)Linnaeus
???????????? 24 ???? ????An example of an abiotic component (Answer : B)
???????? ???????? ???????????? a) Plants ????b) Soil ????c) Animals ????d)Bacteria
???????????? 25 ???? ????The area to which a species is biologically adapted to live is known (Answer : B)
???????? ???????? ???????????? a) Niche ????b) Habitat ????c) Succession ????d)Community
???????????? 26 ???? ????The objective of environmental education is (Answer : D)
???????? ???????? ???????????? a) Raise consciousness about environmental education ????b) T o teach environmentally appropriate
behaviour ????c) Create an environmental ethic that f osters awareness about ecological inter-dependence of economics,
social and political ????d)All of the above
???????????? 27 ???? ????Which of the f ollowing is not influenced by human activities? (Answer : A)
???????? ???????? ???????????? a) Depletion of ground water ????b) Destruction of mangroves and wetlands ????c) Increased extinction
r ate of species ????d)None of the above
???????????? 28 ???? ????Environmental education is important only at (Answer : D)
???????? ???????? ???????????? a) Primary school stage ????b) Secondary school stage ????c) Collage stage ????d)All stages
???????????? 29 ???? ????Which of the f ollowing conceptual components of the environment are ef f ective tr ansporters of
matter? (Answer : A)
???????? ???????? ???????????? a) Atmosphere and hydrosphere ????b) (b) Atmosphere and lithosphere ????c) (c) Hydrosphere and
lithosphere ????d)(d) Lithosphere and biosphere
???????????? 30 ???? ????Biosphere is (Answer : B)
???????? ???????? ???????????? a) (a) The solid shell of inorganic materials on the surf ace of the Earth ????b) (b) The thin shell of
organic matter on the surf ace of earth comprising of all the living things ????c) (c) The sphere which occupies the
maximum volume of all the spheres ????d)(d) All of the above
???????????? 31 ???? ????Which of the f ollowing conceptual sphere of the environment is having the least stor age capacity f or
matter? (Answer : A)
???????? ???????? ???????????? a) (a) Atmosphere ????b) (b) Lithosphere ????c) (c) Hydrosphere ????d)(d) Biosphere
???????????? 32 ???? ????Which of the f ollowing is an example of impact of development activities on the Hydrosphere? (Answer
: D)
???????? ???????? ???????????? a) (a) Air pollution ????b) (b) Soil pollution ????c) (c) Soil erosion ????d)(d) Water pollution
???????????? 33 ???? ????Weather occurs in the Earths: (Answer : A)
???????? ???????? ???????????? a) (a) Troposhere ????b) (b) Mesophere ????c) (c) Ionosphere ????d)(d) Thermosphere
???????????? 34 ???? ????Biosphere is a term used to represent the: (Answer : C)
???????? ???????? ???????????? a) (a) Entire atmosphere consisting of troposphere, str atosphere, mesosphere, and thermosphere
????b) (b) Entire hydrosphere-representing the entire collection of water over the Earth as well as inside the Earth ????c) (c)
A small zone of Earth, where the lithosphere, hydrosphere, and atmosphere come in contact with one another ????d)(d)
Entire lithosphere-representing the solid Earth and its interior
???????????? 35 ???? ????The term ecology was introduced by: (Answer : A)
???????? ???????? ???????????? a) (a) Haeckel ????b) (b) Odum ????c) (c) Tansely ????d)(d) Ramdeo Mishr a
???????????? 36 ???? ????The study of inter actions between living and non-living organisms and environment is called (Answer :
B)
???????? ???????? ???????????? a) (a) Ecosystem ????b) (b) Ecology ????c) (c) Phyto-geogr aphy ????d)(d) Phytosociology
???????????? 37 ???? ????An ecosystem consist of (Answer : D)
???????? ???????? ???????????? a) (a) Green plants and animals ????b) (b) Green plants and decomposers ????c) (c) Producers and
consumers ????d)(d) Green plants, animals, decomposers and abiotic environment
???????????? 38 ???? ????The environment which has been modified by human activities is called (Answer : B)
???????? ???????? ???????????? a) (a) Natur al environment ????b) (b) Anthropogenic environment ????c) (c) Modem environment ????d)(d)
Urban environment
???????????? 39 ???? ????Which of the f ollowing statements is not true? (Answer : C)
???????? ???????? ???????????? a) (a) Inorganic nutrients are recycled in an ecosystem ????b) (b) Energy flows through the ecosystem
in the f orm of C-C bonds ????c) (c) Energy is recycled in an ecosystem ????d)(d) Respir ation process releases energy
???????????? 40 ???? ????Driving f orce in an ecosystem is (Answer : C)
???????? ???????? ???????????? a) (a) Plants ????b) (b) Producers ????c) (c) Solar energy ????d)(d) Biomass energy
???????????? 41 ???? ????Physical and chemical components of an ecosystem constitute (Answer : C)
???????? ???????? ???????????? a) (a) Biotic structure ????b) (b) Abioltic structure ????c) (c) Both of these ????d)(d) None of these
???????????? 42 ???? ????Which one of the f ollowing is an abiotic component of the ecosystem? (Answer : C)
???????? ???????? ???????????? a) (a) Bacteria ????b) (b) Plants ????c) (c) Humus ????d)(d) Fungi
???????????? 43 ???? ????Which of the f ollowing is a possible producer in an ecosystem? (Answer : A)
???????? ???????? ???????????? a) (a) Plants ????b) (b) Animals ????c) (c) Human beings ????d)(d) Fish
???????????? 44 ???? ????The organisms which f eed on dead organisms and excreta of living organisms are known (Answer : A)
???????? ???????? ???????????? a) (a) Decomposers ????b) (b) Consumers ????c) (c) Producers ????d)(d) Carnivores
???????????? 45 ???? ????A trophic level ref ers to: (Answer : C)
???????? ???????? ???????????? a) (a) Area in the tropics ????b) (b) An organism?s portion in a f ood chain ????c) (c) An organism?s
position in an ecosystem ????d)(d) An organism?s position in a biome
???????????? 46 ???? ????In a f ood chain animals constitute the: (Answer : C)
???????? ???????? ???????????? a) (a) First trophic level ????b) (b) Second trophic level ????c) (c) Intermediate trophic level ????d)(d)
Ultimate trophic level
???????????? 47 ???? ????The f ood chain in which microorganisms breakdown dead producers is called: (Answer : D)
???????? ???????? ???????????? a) (a) Consumer f ood chain ????b) (b) Predator f ood chain ????c) (c) Par asitic f ood chain ????d)(d) Detritus
f ood chain
???????????? 48 ???? ????Food chain starts with (Answer : A)
???????? ???????? ???????????? a) (a) Producer ????b) (b) Herbivores ????c) (c) Carnivores ????d)(d) Omnivores
???????????? 49 ???? ????In a f ood chain, humans are (Answer : D)
???????? ???????? ???????????? a) (a) Secondary consumers ????b) (b) Primary consumer ????c) (c) Producers ????d)(d) Primary and
secondary consumers both
???????????? 50 ???? ????Which one is the correct f ood chain? (Answer : A)
???????? ???????? ???????????? a) (a) Phytoplankton ?? Zooplankton ?? Fish ????b) (b) Zooplankton ?? Phytoplankton ?? Fish ????c)
(c) Zooplankton ?? Protozoans ?? Fish ????d)(d) Gr ass ?? Fish ?? Zooplankton
???????????? 51 ???? ????A f ood web consists of (Answer : A)
???????? ???????? ???????????? a) (a) Interlocking f ood chains ????b) (b) Producers, consumers and decomposers ????c) (c) A portion of
a f ood chain ????d)(d) A set of similar consumers
???????????? 52 ???? ????Food webs are (Answer : C)
???????? ???????? ???????????? a) (a) One kind of f ood ????b) (b) Not related to f ood chains at all ????c) (c) Inter-connected arr angement
of f ood chains ????d)(d) Linear arr angement of f ood chains
???????????? 53 ???? ????Pyr amid of number is given by (Answer : C)
???????? ???????? ???????????? a) (a) Haeckel ????b) (b) Odum ????c) (c) Elton ????d)(d) Tansely
???????????? 54 ???? ????Which ecological pyr amid is always upright? (Answer : C)
???????? ???????? ???????????? a) (a) Pyr amid of number ????b) (b) Pyr amid of biomass ????c) (c) Pyr amid of energy ????d)(d) Pyr amid of
number and biomass
???????????? 55 ???? ????An ecological pyr amid ref ers to the (Answer : D)
???????? ???????? ???????????? a) (a) Pyr amid of energy ????b) (b) Pyr amid of number ????c) (c) Pyr amid of biomass ????d)(d) All of the
above
???????????? 56 ???? ????An ecosystem may not undergo changes because: (Answer : A)
???????? ???????? ???????????? a) (a) It is in a state of homeostasis ????b) (b) It has plants and animals both ????c) (c) It gets solar
energy continuously ????d)(d) The decomposers are present in it
???????????? 57 ???? ????Energy flow in an ecosystem is always: (Answer : A)
???????? ???????? ???????????? a) (a) Unidirectional ????b) (b) Cyclic ????c) (c) Reversible ????d)(d) Multi-directional
???????????? 58 ???? ????The primary producers in a f orest ecosystem are: (Answer : A)
???????? ???????? ???????????? a) (a) Chlorophyll containing trees and plants ????b) (b) Herbivores ????c) (c) Carnivores ????d)(d) Bacteria
and other micro-organism
???????????? 59 ???? ????The desert among the f ollowing which is not a cold desert is: (Answer : D)
???????? ???????? ???????????? a) (a) Golbi desert ????b) (b) Patagonian desert ????c) (c) Atacama desert ????d)(d) Ma java desert
???????????? 60 ???? ????The darker zone in lakes where light penetr ation is negligible is called the: (Answer : D)
???????? ???????? ???????????? a) (a) Euphotic zone ????b) (b) Littor al zone ????c) (c) Limnetic zone ????d)(d) Benthic zone
???????????? 61 ???? ????The zone of a sea lying over the continental shelf is known as the: (Answer : B)
???????? ???????? ???????????? a) (a) Bathyl zone ????b) (b) Neritic zone ????c) (c) Abyssal zone ????d)(d) Littor al zone
???????????? 62 ???? ????Which one of the f ollowing is not a fresh water biome? (Answer : A)
???????? ???????? ???????????? a) (a) Lotic ????b) (b) Lentic ????c) (c) Spings ????d)(d) Deep sea
???????????? 63 ???? ????Tendency of pollutants to become concentr ated in successive trophic levels is known as: (Answer : A)
???????? ???????? ???????????? a) (a) Biomagnification ????b) (b) Biorhythm ????c) (c) Bioremediation ????d)(d) Biopir acy
???????????? 64 ???? ????Eutrophication is: (Answer : B)
???????? ???????? ???????????? a) (a) An improved water quality status of lakes ????b) (b) The result of accumulation of plant nutrients
in water bodies ????c) (c) A process in the carbon cycle ????d)(d) A water purification technique
???????????? 65 ???? ????Increase in f auna and decrease in flor a would be harmf ul due to increase in: (Answer : B)
???????? ???????? ???????????? a) (a) Diseases ????b) (b) CO ????c) (c) O2 ????d)(d) Radioactive pollution
???????????? 66 ???? ????The largest reservoir of nitrogen an our planet is: (Answer : B)
???????? ???????? ???????????? a) (a) Ocean ????b) (b) Atmosphere ????c) (c) Biosphere ????d)(d) Fossil f uels
???????????? 67 ???? ????Overgr azing results in: (Answer : A)
???????? ???????? ???????????? a) (a) Soil erosion ????b) (b) Retention of usef ul species ????c) (c) Productive soils ????d)(d) All of the
above
???????????? 68 ???? ????In the world, the economy of the India is: (Answer : D)
???????? ???????? ???????????? a) (a) Largest ????b) (b) Third largest ????c) (c) Second largest ????d)(d) Fourth largest
???????????? 69 ???? ????In services output, India is: (Answer : C)
???????? ???????? ???????????? a) 10 ????b) 12 ????c) 15 ????d)4
???????????? 70 ???? ?????Smog? is a mixture of (Answer : A)
???????? ???????? ???????????? a) a) Smoke and Fog ????b) (b) Snow and Fog ????c) ( c) Snow and Dust ????d)(d) Sulphur Dioxide and
Fog
???????????? 71 ???? ????A liquid f uel that was f ormed from the ancient remains of sea plants and animals is (Answer : B)
???????? ???????? ???????????? a) Natur al gasb ????b) Petroleumc ????c) Geothermal energyd ????d)Coal
???????????? 72 ???? ????A poisonous gas given out of vehicles exhaust is (Answer : A)
a) Carbon monoxideb ????b) Ethanec ????c) Methaned ????d)Carbon dioxide
???????????? 73 ???? ????A product of photosynthesis is (Answer : C)
???????? ???????? ???????????? a) Carbon dioxideb ????b) Waterc ????c) Oxygend ????d)Chlorophyll
???????????? 74 ???? ????Atmosphere consists of 79 percent Nitrogen and 21 percent Oxygen by (Answer : B)
???????? ???????? ???????????? a) Volumeb ????b) Weightc ????c) Densityd ????d)All of these
???????????? 75 ???? ????Biogas contains mainly (Answer : B)
???????? ???????? ???????????? a) Carbon dioxideb ????b) Methanec ????c) Butaned ????d)Propane
???????????? 76 ???? ????Carbon dioxide constitutes about 0.03% of the atmosphere (Answer : A)
???????? ???????? ???????????? a) By volume(b ????b) By weight(c ????c) By mass(d ????d)None of these
???????????? 77 ???? ????Development activities on the hydrosphere cause (Answer : C)
???????? ???????? ???????????? a) Air pollutionb ????b) Soil pollutionc ????c) Water pollutiond ????d)Soil erosion
???????????? 78 ???? ????Energy flow in an ecosystem is (Answer : C)
???????? ???????? ???????????? a) Bidirectionalb ????b) Unidirectionalc ????c) Multidirectionald ????d)All rounds
???????????? 79 ???? ????Energy from the heat inside the earth is (Answer : B)
???????? ???????? ???????????? a) a Natur al gas ????b) Geothermalc ????c) Petroleumd ????d)Terr athermal
???????????? 80 ???? ????Energy in the r ays from the sun is called (Answer : A)
???????? ???????? ???????????? a) Solar energyb ????b) Wind energyc ????c) Tidal energyd ????d)Water energy
???????????? 81 ???? ????Environment is the lif e support system that includes (Answer : D)
???????? ???????? ???????????? a) Airb ????b) Waterc ????c) Landd ????d)All of the above
???????????? 82 ???? ????Extensive planting of trees to increase cover is called (Answer : A)
???????? ???????? ???????????? a) Af f orestation(b ????b) Agrof orestation(c ????c) Def orestation(d ????d)Social f orestry
???????????? 83 ???? ????Extensive planting of trees to increase f orest cover is called (Answer : A)
???????? ???????? ???????????? a) Af f orestation, b ????b) Agrof orestry, c ????c) Def orestation, d ????d)Social f orestry
???????????? 84 ???? ????Forest and wild lif e are (Answer : A)
???????? ???????? ???????????? a) Renewable resource(b ????b) Non-renewable resources (c ????c) Inexhaustible resources (d ????d)None
of these
???????????? 85 ???? ????Forests prevent soil erosion by binding soil particles in their (Answer : B)
???????? ???????? ???????????? a) Leaves(b ????b) Roots(c ????c) Buds(d ????d)Stems
???????????? 86 ???? ????Formation of hole in Ozone is maximum over (Answer : C)
???????? ???????? ???????????? a) Indiab ????b) Europec ????c) Antarcticad ????d)Africa
???????????? 87 ???? ????Fossil f uel and metallic miner als are: (Answer : C)
???????? ???????? ???????????? a) Renewable resource (b ????b) Inexhaustible resources (c ????c) Non-renewable resources (d ????d)None
of these
???????????? 88 ???? ????Green house ef f ect is linked to (Answer : C)
???????? ???????? ???????????? a) Nitrogen oxidesb ????b) Sulphur dioxidesc ????c) Carbon dioxidesd ????d)Carbon monoxides
???????????? 89 ???? ????In our country the percentage of land under f orest is about: (Answer : B)
???????? ???????? ???????????? a) 20%(b ????b) 19%(c ????c) 25%(d ????d)30%
???????????? 90 ???? ????In respect of water crisis, there have been conflicts/disputes between two countries, or states of the
same country. Which of the f ollowing has never been the case of water conflict? (Answer : D)
???????? ???????? ???????????? a) Cauvery water dispute between Tamil Nadu and Karnataka (b ????b) Yamuna-Betwa dispute between
U.P. and M.P. (c ????c) Sutlej Yamuna Link (SYL ????d)canal dispute between Pun jab and Haryana (d
???????????? 91 ???? ????Instrumentation technology used to locate suitable places f or mining (Answer : C)
???????? ???????? ???????????? a) a) Microscope ????b) b) Salinometer ????c) c) GIS ????d)d) camer a tr ap
???????????? 92 ???? ????Kaveri water dispute is in between: (Answer : D)
???????? ???????? ???????????? a) India and Pakistan (b ????b) Pun jab and Haryana (c ????c) Uttar Pr adesh and Madhya Pr adesh (d
????d)Karnataka and Tamil Nadu
???????????? 93 ???? ????Khetri (Ra jasthan) is f amous f or: (Answer : B)
???????? ???????? ???????????? a) Coal mines(b ????b) Copper mines(c ????c) Gr anite stone(d ????d)Marble stone
???????????? 94 ???? ????Main source of acid r ain is (Answer : A)
???????? ???????? ???????????? a) Sulphur dioxideb ????b) Nitrogenc ????c) Carbon dioxided ????d)Carbon monoxide
???????????? 95 ???? ????Ma jor consumer of wood from f orest is ___________ (Answer : B)
???????? ???????? ???????????? a) Thermal Power Plant ????b) Paper Industry ????c) Chemistry Industry ????d)none
???????????? 96 ???? ????Moisture in the air is known as (Answer : D)
???????? ???????? ???????????? a) a) Water ????b) (b) Fog ????c) ( c) Snow ????d)(d) Humidity
???????????? 97 ???? ????Name the country which virtually closed cod fishery in the 1990?s due to depletion of fish reserves
(Answer : A)
???????? ???????? ???????????? a) a) Canada ????b) b) Argentina ????c) c) Italy ????d)d) India
???????????? 98 ???? ????Name the financial agency which hesistate to support the Sardar Sarovar Pro ject in India in 1993 a result
of the demands of local people threatened with the loss of their livelihoods and homes in the submergence area.
(Answer : B)
???????? ???????? ???????????? a) a) Swiss bank ????b) b) World Bank ????c) c) Bank of India ????d)d) International Monetary Fund
???????????? 99 ???? ????Nitrogen constitutes about 78% of the atmosphere (Answer : C)
???????? ???????? ???????????? a) By weight(b ????b) By mass(c ????c) By volume(d ????d)None of these
???????????? 100 ???? ????Noise is measured by sound meter and the unit is (Answer : C)
???????? ???????? ???????????? a) Hertzb ????b) Joulec ????c) Decibeld ????d)Seconds
???????????? 101 ???? ????One of India?s serious environmental problems is f orest degr adation. What is the main cause of f orest
degr adation? (Answer : A)
???????? ???????? ???????????? a) timber extr action ????b) honey extr action ????c) high altitude ????d)Low Rainf all
???????????? 102 ???? ????Ozone day is observed on (Answer : B)
???????? ???????? ???????????? a) 3rd Januaryb ????b) 16th Septemberc ????c) 10th Novemberd ????d)26th March
???????????? 103 ???? ????Ozone Umbrella is located in which layer of atmosphere (Answer : B)
???????? ???????? ???????????? a) a) Troposphere ????b) (b) Str atosphere ????c) (c) Mesosphere ????d)(d) Ionosphere
???????????? 104 ???? ????Peeling of Ozone umbrella, which protects us from UV r ays, is caused by (Answer : B)
???????? ???????? ???????????? a) Carbon monoxideb ????b) CFCsc ????c) Coal burningd ????d)Methane
???????????? 105 ???? ????Soil erosion removes surf ace soil which contains (Answer : A)
???????? ???????? ???????????? a) Organic matterb ????b) Plant nutrientsc ????c) Both a and bd ????d)none of the above
???????????? 106 ???? ????Sustainable development means (Answer : C)
???????? ???????? ???????????? a) a. meeting present needs without compromising on f uture needs ????b) b. progress of human beings
????c) c. balance between human needs and the ability of earth to provide the resources ????d)d. all of the above
???????????? 107 ???? ????The adverse ef f ect of modern agriculture is (Answer : B)
???????? ???????? ???????????? a) Water pollutionb ????b) Soil degr adationc ????c) Water loggingd ????d)All of the above
???????????? 108 ???? ????The f ossil f uel that is derived from the dead remains of plants that grew some 250 million years ago is
(Answer : C)
???????? ???????? ???????????? a) Petroleumb ????b) Natur al gasc ????c) Coald ????d)LPG
???????????? 109 ???? ????The impact of construction of dams (Answer : D)
???????? ???????? ???????????? a) Submerged f orest b ????b) Loss of wild lif e habitat c ????c) Damages downstream ecosystem d ????d)All
of the above
???????????? 110 ???? ????The ma jor cause f or land degr adation in our country is (Answer : A)
???????? ???????? ???????????? a) Soil erosion(b ????b) Pollution of soil(c ????c) Water-logging(d ????d)None of the above
???????????? 111 ???? ????The ma jor reason f or floods in the rivers Ganges and Br ahmaputr a is ________ (Answer : B)
???????? ???????? ???????????? a) a) Dams in Himalayas ????b) b) Def orestation in Himalayas ????c) c) Heavy r ains ????d)d) Melting of ice
???????????? 112 ???? ????The method of r ainwater harvesting which can be adopted by individual house owners is (Answer : D)
???????? ???????? ???????????? a) Construction of recharge trenches (b ????b) On channel stor age of water (c ????c) Creation of new
water bodies (d ????d)Roof-top r ainwater harvesting
???????????? 113 ???? ????The percentage of total world?s precipitation, which is lost to the atmosphere through evapor ation,
approximates to: (Answer : A)
???????? ???????? ???????????? a) 57%(b ????b) 7%(c ????c) 37%(d ????d)43%
???????????? 114 ???? ????The process of restoring f orests that once existed but was removed at some time in the past is known
as (Answer : B)
???????? ???????? ???????????? a) Af f orestationb ????b) Ref orestationc ????c) Def orestationd ????d)None of these
???????????? 115 ???? ????The share of Hydropower (Hydel pro jects) in worlds commercial electricity production is less than ________
(Answer : D)
???????? ???????? ???????????? a) 2.00% ????b) 4.00% ????c) 12.00% ????d)20.00%
???????????? 116 ???? ????The species restricted to be present in one region are called (Answer : B)
???????? ???????? ???????????? a) Edge speciesb ????b) Endemic species c ????c) Endangered species d ????d)Keystone species
???????????? 117 ???? ????The teeth are likely to be pitted, more susceptible to cavities and wear, when the fluoride concentr ation
is: (Answer : D)
???????? ???????? ???????????? a) More than 2 mg/1 (b ????b) More than 40 mg/1 (c ????c) More than 20 mg/1 (d ????d)More than 4 mg/1
???????????? 118 ???? ????The term ?Environment? has been derived from the French word which means to encircle or surround
(Answer : A)
???????? ???????? ???????????? a) Environb ????b) Oikosc ????c) Geod ????d)Aqua
???????????? 119 ???? ????Wetlands in the flood plains of rivers are also considered as nature?s ________ (Answer : C)
???????? ???????? ???????????? a) a) Heat sink ????b) b) carbon sink ????c) c) flood control systems ????d)d) swimming pool
???????????? 120 ???? ????What are rodenticides? (Answer : C)
???????? ???????? ???????????? a) that kill fishes ????b) that kill insects ????c) that kill r ats ????d)that kill crocos
???????????? 121 ???? ????What is Kyoto Protocol? (Answer : A)
???????? ???????? ???????????? a) a. It is an agreement among countries to take steps f or reducing global warming. ????b) b. It is an
agreement among countries to take steps f or reducing acid r ain. ????c) c. It is an agreement among countries to take steps
f or planting trees to control pollution. ????d)d. It is an agreement among countries to start using nuclear energy.
???????????? 122 ???? ????What is the ma jor limiting f actor in the arid areas of our country? (Answer : C)
???????? ???????? ???????????? a) a) Money ????b) b) f orests ????c) c) water ????d)d) soil
???????????? 123 ???? ????What kind of people are the most ill-af f ected by the construction of dams? (Answer : D)
???????? ???????? ???????????? a) a) Urban dwellers ????b) b) beach dwellers ????c) c) tourists ????d)d) tribal people
???????????? 124 ???? ????When fluoride concentr ation in H2O exceeds about 1.5 mg/1, the disease that may be caused, is
(Answer : B)
???????? ???????? ???????????? a) Dental caries in children(b ????b) Fluorosis(c ????c) Polymyelitis(d ????d)Methemoglobinemia
???????????? 125 ???? ????Which among the f ollowing is a sedimentary type of cycle? (Answer : A)
???????? ???????? ???????????? a) Sulphur cycle(b ????b) Nitrogen cycle(c ????c) Oxygen cycle(d ????d)Carbon cycle
???????????? 126 ???? ????Which gas is responsible f or ozone layer depletion around earth? (Answer : B)
???????? ???????? ???????????? a) Carbon dioxideb ????b) Chlorofluorocarbonsc ????c) Oxygend ????d)Nitrogen oxide
???????????? 127 ???? ????Which gas is responsible f or the global warming? (Answer : B)
???????? ???????? ???????????? a) Nitrogenb ????b) Carbon dioxidec ????c) Noble gasesd ????d)Hydrogen
???????????? 128 ???? ????Which is a list of renewable resources? (Answer : D)
???????? ???????? ???????????? a) Petroleum, geothermal, wind b ????b) Biomass, geothermal, hydropower c ????c) Natur al gas, wind,
biomass d ????d)Hydropower, solar, wind energy
???????????? 129 ???? ????Which is the only country who has not r atified the Kyoto Protocol yet? (Answer : A)
???????? ???????? ???????????? a) United States ????b) Austr alia ????c) Japan ????d)India
???????????? 130 ???? ????Which of below items is the ma jor sector which extr acts most of fresh water available f or utilization?
(Answer : D)
???????? ???????? ???????????? a) domestic use ????b) drinking water ????c) bever age industry ????d)agriculture
???????????? 131 ???? ????Which of the f ollowing are consequences of ozone depletion (Answer : A)
???????? ???????? ???????????? a) Skin cancer and catar actb ????b) Reduced growth in plants c ????c) Shortening of zooplanktons and
their breeding period d ????d)All of the above
???????????? 132 ???? ????Which of the f ollowing are ma jor environmental issues involved in mining? (Answer : D)
???????? ???????? ???????????? a) air pollutionb ????b) water pollutionc ????c) soil degr adationd ????d)all of the above
???????????? 133 ???? ????Which of the f ollowing ef f ect is responsible f or Global Warming? (Answer : A)
???????? ???????? ???????????? a) Green house ef f ectb ????b) Radioactive ef f ectc ????c) Solar ef f ectd ????d)Nuclear ef f ect
???????????? 134 ???? ????Which of the f ollowing is management option f or air pollution? (Answer : D)
???????? ???????? ???????????? a) Regulations and standardsb ????b) Tr ansport planningc ????c) Using CNG as f ueld ????d)All of these
???????????? 135 ???? ????Which of the f ollowing is not a method f or water conservation? (Answer : B)
???????? ???????? ???????????? a) Rainwater harvesting(b ????b) Groundwater extr action (c ????c) Improving irrigation ef ficiency (d
????d)Avoiding water wastage
???????????? 136 ???? ????Which of the f ollowing is not a viable protection against def orestation? (Answer : C)
???????? ???????? ???????????? a) Reduce the consumption of f orest and related products (b ????b) Boycott products of companies
involve in def orestation (c ????c) Privatisation of f orest land (d ????d)Environmental education
???????????? 137 ???? ????Which of the f ollowing is not influenced by human activities? (Answer : D)
???????? ???????? ???????????? a) Destruction of mangroves and wetlands b ????b) Depletion of ground water c ????c) Increased
extinction r ate of species d ????d)None of the above
???????????? 138 ???? ????Which of the f ollowing is not true about def orestation? (Answer : C)
???????? ???????? ???????????? a) Population explosion is one of the reasons f or def orestation (b ????b) Cleaning of f orest f or
agriculture causes def orestation. (c ????c) Def orestation is taking place only in developing courtiers. (d ????d)Cash crop
economy of third world is a cause of def orestation.
???????????? 139 ???? ????Which of the f ollowing is responsible f or desertification? (Answer : D)
???????? ???????? ???????????? a) Def orestation(b ????b) Mining(c ????c) Overgr azing(d ????d)All of the above
???????????? 140 ???? ????Which of the f ollowing statements about the f orest is not correct? (Answer : D)
???????? ???????? ???????????? a) Forest reduces soil erosion (b ????b) Provides recreational opportunities (c ????c) Provides economic
development (d ????d)None of the above
???????????? 141 ???? ????Which of these is not a f ossil f uel? (Answer : D)
???????? ???????? ???????????? a) Coalb ????b) Oilc ????c) Natur al gasd ????d)Ur anium
???????????? 142 ???? ????Which one of the f ollowing is not an ideal solution f or tackling water shortages? (Answer : D)
???????? ???????? ???????????? a) Controlling population growth (b ????b) Conserving water in irrigation (c ????c) Controlling water
pollution (d ????d)Drilling large number of deep bore wells
???????????? 143 ???? ????Which one of the f ollowing regions in India is a hotspot of biodiversity? (Answer : B)
???????? ???????? ???????????? a) Sundarbansb ????b) Western Ghatsc ????c) Eastern Ghatsd ????d)Gangetic plains
???????????? 144 ???? ????World environment day is on: (Answer : B)
???????? ???????? ???????????? a) 5th Mayb ????b) 5th Junec ????c) 18th Julyd ????d)16th August
???????????? 145 ???? ????World Forest day is celebr ated on (Answer : A)
???????? ???????? ???????????? a) 21st March b ????b) 5th June c ????c) 1st Dec d ????d)7th June
???????????? 146 ???? ????Yellowing of Ta j Mahal is an ef f ect of (Answer : A)
???????? ???????? ???????????? a) Acid r ainb ????b) Global warmingc ????c) Ozone depletiond ????d)All of the above
???????????? 147 ???? ????Green Revolution in India was initiated by __________ (Answer : A)
???????? ???????? ???????????? a) M.S. Swaminathan ????b) Sunderlal Bahuguna ????c) Kurien ????d)Medha Patkar
???????????? 148 ???? ????Who wrote the book Violence of Green Revolution (Answer : A)
???????? ???????? ???????????? a) Vandana Siva ????b) Sheela Dikshit ????c) Menaka Gandhi ????d)Arundhathi Roy.
???????????? 149 ???? ????World Forest day is celebr ated on (Answer : A)
???????? ???????? ???????????? a) 21st March ????b) 5th June ????c) 1st Dec ????d)7th June
???????????? 150 ???? ????The Chipko movement is started by (Answer : B)
???????? ???????? ???????????? a) Engler ????b) Sunderlal Bahuguna ????c) Medha Padkar ????d)None of these
???????????? 151 ???? ????Green revolution is associated with _________ (Answer : B)
???????? ???????? ???????????? a) sericulture ????b) Agriculture ????c) Fish culture ????d)silviculture
???????????? 152 ???? ????Which gas is likely to be reduced in the atmosphere by def orestation? (Answer : C)
???????? ???????? ???????????? a) Carbon dioxide ????b) Nitrogen ????c) Oxygen ????d)Sulphur dioxide
???????????? 153 ???? ????Extensive planting of trees to increase f orest cover is called (Answer : A)
???????? ???????? ???????????? a) Af f orestation ????b) Agrof orestry ????c) Def orestation ????d)Social f orestry
???????????? 154 ???? ????Soil erosion can be prevented by (Answer : B)
???????? ???????? ???????????? a) Def orestation ????b) Af f orestation ????c) Overgr azing ????d)Removal of vegetation
???????????? 155 ???? ????The components of LPG are _____________ (Answer : B)
???????? ???????? ???????????? a) Methane & Hexane ????b) Propane & Butane ????c) Ethane & Methane ????d)Propane & Ethane
???????????? 156 ???? ????Which of the f ollowing is the most responsible f or world water crisis? (Answer : C)
???????? ???????? ???????????? a) Dams ????b) Floods ????c) Drought ????d)Population growth
???????????? 157 ???? ????The resources that can be replaced by natur al ecological cycle is called (Answer : A)
???????? ???????? ???????????? a) Renewable ????b) Non-renewable ????c) exhaustible ????d)natur al
???????????? 158 ???? ????The amount of solar r adiation reaching the surf ace of the earth is called (Answer : A)
???????? ???????? ???????????? a) Solar flux ????b) reflected light ????c) miner als ????d)solvents
???????????? 159 ???? ????The most harmf ul of ultr aviolet r adiations are (Answer : A)
???????? ???????? ???????????? a) UV-C ????b) UV-B ????c) UV-A ????d)All the above
???????????? 160 ???? ????A renewable source of energy is (Answer : D)
???????? ???????? ???????????? a) Petroleum ????b) Coal ????c) Nuclear f uel ????d)Trees
???????????? 161 ???? ????The capacity to do work is termed as (Answer : D)
???????? ???????? ???????????? a) Power ????b) Force ????c) Strength ????d)Energy
???????????? 162 ???? ????The unit of total water content of the soil is known as (Answer : A)
???????? ???????? ???????????? a) Holard ????b) Chr aserd ????c) Echard ????d)All of the above
???????????? 163 ???? ????Pedology? (Answer : C)
???????? ???????? ???????????? a) Study of water ????b) Study of air ????c) Study of soil ????d)none
???????????? 164 ???? ????What is def orestation? (Answer : B)
???????? ???????? ???????????? a) Product of f orest ????b) Destruction of f orest ????c) Forest Protection ????d)none
???????????? 165 ???? ????Def orestation gener ally decreases (Answer : D)
???????? ???????? ???????????? a) Global Warming ????b) Drought ????c) Soil erosion ????d)Rainf all
???????????? 166 ???? ????Which among the f ollowing result in the f ormation of soil? (Answer : B)
???????? ???????? ???????????? a) Radiation ????b) Weathering ????c) Erosion ????d)Pollution
???????????? 167 ???? ????Mulching helps in (Answer : B)
???????? ???????? ???????????? a) soil f ertility ????b) moisture conservation ????c) improvements soil structure ????d)soil sterility
???????????? 168 ???? ????........................ is an example of ?bottom f eeders?. (Answer : A)
???????? ???????? ???????????? a) Cat fish ????b) Frog ????c) Snake ????d)Tadpole ????e)
???????????? 169 ???? ????..................... trees shed their leaves during winter and hot summer. (Answer : C)
???????? ???????? ???????????? a) (a) ever green ????b) b) conif erous ????c) c) deciduous ????d)d) Shola
???????????? 170 ???? ????...................... is a cold desert in India (Answer : B)
???????? ???????? ???????????? a) Thar ????b) Ladakh ????c) Ran of Kutch ????d)Bhopal
???????????? 171 ???? ????A lake ecosystem f unctions as a (Answer : A)
???????? ???????? ???????????? a) Ter ai ????b) Shola gr asslands ????c) Semi arid plains ????d)Himalayan pastures
???????????? 172 ???? ????An example of nitrogen fixing bacteria in the soil (Answer : C)
???????? ???????? ???????????? a) Rhizobium ????b) Nostoc ????c) Azotobacter ????d)Nitrobacter
???????????? 173 ???? ????An example of one way ecological cycle is (Answer : C)
???????? ???????? ???????????? a) carbon dioxide cycle ????b) water cycle ????c) energy cycle ????d)oxygen cycle
???????????? 174 ???? ????Br ackish water ecosystems in river deltas are among (Answer : B)
???????? ???????? ???????????? a) Least productive ecosystems ????b) Most productive in terms of biomass production ????c) c)
Unproductive d) Stagnant ecosystems ????d)
???????????? 175 ???? ????Ecology is (Answer : C)
???????? ???????? ???????????? a) The science that studies the evolution of lif e, ????b) b) Integr ates both social and natur al sciences to
help us understand how the earth works, ????c) c) The study of the relationships between organisms and their
environment ????d)d) The study of the environment in the absence of humans
???????????? 176 ???? ????Forests grow in high r ain f all areas are (Answer : A)
???????? ???????? ???????????? a) (a) ever green f orests ????b) b) temper ate f orests ????c) c) conif ers ????d)d) Tundr a
???????????? 177 ???? ????Fungi is a (Answer : D)
???????? ???????? ???????????? a) Macroconsumer ????b) Producer ????c) Carnivore d ????d)Microconsumer
???????????? 178 ???? ????Nitrogen fixing blue green alga (Answer : C)
???????? ???????? ???????????? a) Clostridium ????b) Rhizobium ????c) Nostoc ????d)Nitrosomonas
???????????? 179 ???? ????Nitrogen gas returns to the atmosphere by the action of (Answer : B)
???????? ???????? ???????????? a) Nitrogen fixing bacteria ????b) Denitrif ying bacteria ????c) Nitrif ying bacteria ????d)Nitr ate f ertilizers
???????????? 180 ???? ????Patches of tall gr asslands interspersed with Sal f orest ecosystem is (Answer : A)
???????? ???????? ???????????? a) ????b) ????c) ????d)
???????????? 181 ???? ????Ramsar Convention ref ers to the conservation of ____________ (Answer : B)
???????? ???????? ???????????? a) (a) Deserts ????b) b) Wetlands ????c) c) Agriculture lands, ????d)d) Forest land
???????????? 182 ???? ????Some species whose removal can af f ect the survival of an ecosystem are called (Answer : B)
???????? ???????? ???????????? a) ????b) b) Keystone species ????c) c) Producers ????d)d) Carnivores
???????????? 183 ???? ????Sunderbans is home to (Answer : B)
???????? ???????? ???????????? a) Giant permanent pond ????b) Tempor ary aquatic system ????c) Simplest aquatic ecosystem ????d)Water
tank
???????????? 184 ???? ????The conversion of ammonia to nitr ate is known as ________ (Answer : B)
???????? ???????? ???????????? a) (a) ammonification ????b) b) nitrification ????c) c) denitrification ????d)d) all of these
???????????? 185 ???? ????The f orests which occur in law r ain f all area is (Answer : B)
???????? ???????? ???????????? a) (a) Evergreen f orests ????b) b) deciduous f orests ????c) c) Conif erous f orest ????d)d) All the above.
???????????? 186 ???? ????The inherent ability of organisms to reproduce and multiply is called, (Answer : B)
???????? ???????? ???????????? a) C value ????b) b) biotic potential ????c) c) carrying capacity ????d)d) K value
???????????? 187 ???? ????The largest br ackish water lake situated in Asia is in Orissa. Which is the lake? (Answer : A)
???????? ???????? ???????????? a) (a) Chilka lake ????b) b) Vembanad lake ????c) c) Woolar lake ????d)d) Dal lake
???????????? 188 ???? ????The Little Rann of Kutch is home to (Answer : D)
???????? ???????? ???????????? a) Horse ????b) b) Great Indian Bustard ????c) c) Lion ????d)d) Wild Ass
???????????? 189 ???? ????The presence of which is necessary f or photosynthesis (Answer : B)
???????? ???????? ???????????? a) (a) Chlorof orm ????b) b) Chlorophyll ????c) c) Phosphorus ????d)d) Polymer
???????????? 190 ???? ????The process through which ecosystems tend to change after a period of time is called (Answer : A)
???????? ???????? ???????????? a) ????b) ????c) ????d)
???????????? 191 ???? ????The species that flower are called (Answer : C)
???????? ???????? ???????????? a) (a) gymnosperms ????b) b) bryophytes ????c) c) angiosperms ????d)d) algae
???????????? 192 ???? ????The term ?Eco? implies (Answer : A)
???????? ???????? ???????????? a) Environment ????b) Ecotone ????c) Ecotourism ????d)Soil
???????????? 193 ???? ????The term ?Ecology? was coined by (Answer : B)
???????? ???????? ???????????? a) A.G.Tansley ????b) Earnst Haeckel ????c) Aristotle ????d)Linnaeus
???????????? 194 ???? ????The word Biophilia was coined by (Answer : D)
???????? ???????? ???????????? a) Dr. Hackel ????b) Dr.Johanssen ????c) Dr. Ben jamine ????d)E. O. Wilson
???????????? 195 ???? ????What is Dendrology? (Answer : C)
???????? ???????? ???????????? a) Study of Plants ????b) Study of Butterflies ????c) Study of Trees ????d)None of these
???????????? 196 ???? ????What is edge species? (Answer : A)
???????? ???????? ???????????? a) The species which occur abundantly in the ecotone ????b) b) Species on the verge of extinction ????c)
c) Rare species ????d)d) Endemic species
???????????? 197 ???? ????What is symbiosis? (Answer : C)
???????? ???????? ???????????? a) Study of distribution of related species ????b) b) Association between members of same species
????c) c) Association between members of two species ????d)d) None
???????????? 198 ???? ????When number of f ood chains is interlocked this is called (Answer : C)
???????? ???????? ???????????? a) f ood link ????b) f ood chain ????c) f ood web ????d)pyr amid
???????????? 199 ???? ????Which is an example f or sedimentary biogeochemical cycle (Answer : D)
???????? ???????? ???????????? a) Oxygen cycle ????b) Nitrogen cycle ????c) Water cycle ????d)Phosphorus cycle
???????????? 200 ???? ????Which is the second largest in species richness? (Answer : C)
???????? ???????? ???????????? a) Desert ????b) b) Tundr a ????c) c) Cor al reefs ????d)d) Flowing water
???????????? 201 ???? ????Gr assland of USA is ref erred to as (Answer : A)
???????? ???????? ???????????? a) Pr airies ????b) Steppes ????c) Pampas ????d)Veldts
???????????? 202 ???? ????The complex network of interconnected f ood chains is called ___________ (Answer : B)
???????? ???????? ???????????? a) Trophic level ????b) Food web ????c) Ecological pyr amid ????d)Ecology chain
???????????? 203 ???? ????The animal which consumes decaying organic matter is _________ (Answer : B)
???????? ???????? ???????????? a) Carnivore ????b) Detritivore ????c) Herbivore ????d)Producers
???????????? 204 ???? ????An ecosystem gr adually merges with an adjoining one through a tr ansitional zone is called the
______________ (Answer : C)
???????? ???????? ???????????? a) Ecological niche ????b) ecological f ootprint ????c) ecotone ????d)Shore ef f ect
???????????? 205 ???? ????The Primary Consumers are also called as (Answer : A)
???????? ???????? ???????????? a) Herbivores ????b) Carnivores ????c) Enzymes ????d)None of these
???????????? 206 ???? ????The f orests which occur in law r ain f all area is called (Answer : B)
???????? ???????? ???????????? a) Evergreen f orests ????b) deciduous f orests ????c) Conif erous f orest ????d)All the above
???????????? 207 ???? ????Favor able morphological and physiological response to a change in environment is called (Answer : D)
???????? ???????? ???????????? a) Preadaptation ????b) Ecotyping ????c) Formation of ecophenes ????d)Acclimatization
???????????? 208 ???? ????Plants adapted to open, sunny habitats are (Answer : B)
???????? ???????? ???????????? a) Sciophytes ????b) Heliophytes ????c) Mesophytes ????d)Epiphytes
???????????? 209 ???? ????Temper ate f orests occur in India in (Answer : B)
???????? ???????? ???????????? a) Indo-gangetic plains ????b) Himalayas ????c) Eastern India ????d)Southern peninsula
???????????? 210 ???? ????In India, tropical evergreen f orests occur in (Answer : C)
???????? ???????? ???????????? a) Himachal Pr adesh ????b) Madhya Pr adesh ????c) Assam ????d)Tamil Nadu
???????????? 211 ???? ????Which one is natures cleaner? (Answer : C)
???????? ???????? ???????????? a) Consumers ????b) Producers ????c) Decomposers and Scavengers ????d)Symbionts
???????????? 212 ???? ????The relationship between nitrogen fixing bacteria and leguminous plants is an example f or (Answer : C)
???????? ???????? ???????????? a) Par asitism ????b) Predation ????c) Mutualism ????d)Symbiosis
???????????? 213 ???? ????______ trees shed their leaves during winter and hot summer. (Answer : C)
???????? ???????? ???????????? a) Ever green ????b) Conif erous ????c) Deciduous ????d)Shola
???????????? 214 ???? ????Thorn f orests are f ound in the_______ regions (Answer : A)
???????? ???????? ???????????? a) Semi-arid ????b) High r ain f all areas ????c) Low temper ature ????d)Frozen areas
???????????? 215 ???? ????________ is a cold desert in India (Answer : B)
???????? ???????? ???????????? a) Thar ????b) Ladakh ????c) Ran of Kutch ????d)Bhopal
???????????? 216 ???? ????______ is an example of bottom f eeders (Answer : A)
???????? ???????? ???????????? a) Cat fish ????b) Frog ????c) Snake ????d)Tadpole
???????????? 217 ???? ????A Hawk that eats a frog is a (Answer : D)
???????? ???????? ???????????? a) Producer ????b) Primary Consumer ????c) Secondary Consumer ????d)Tertiary Consumer
???????????? 218 ???? ????An example of lotic system (Answer : B)
???????? ???????? ???????????? a) Pond ????b) River ????c) Lake ????d)Reservoir
???????????? 219 ???? ????Complex interlinked f ood chains are called (Answer : A)
???????? ???????? ???????????? a) Food Web ????b) Food net work ????c) Trophic levels ????d)Food pyr amid
???????????? 220 ???? ????Lotic ecosystem ref ers to (Answer : B)
???????? ???????? ???????????? a) Static water system ????b) Ecosystem of flowing water ????c) Ecosystem of estuaries ????d)Deep
marine water system
???????????? 221 ???? ????Autotrophs are ______________ (Answer : D)
???????? ???????? ???????????? a) Consumers ????b) Herbivores ????c) Saprophytes ????d)Producers
???????????? 222 ???? ????Organisms which depened on Producers f or nutrition are called (Answer : C)
???????? ???????? ???????????? a) Autotrophs ????b) Saprophytes ????c) Consumers ????d)Xerophytes
???????????? 223 ???? ????The source of atmospheric oxygen is (Answer : B)
???????? ???????? ???????????? a) Nitrogen cycle ????b) Green Plants ????c) Water ????d)Carbon Cycle
???????????? 224 ???? ????Plants which grow in shade are called (Answer : A)
???????? ???????? ???????????? a) Sciophytes ????b) Heliophytes ????c) Oxylophytes ????d)Epiphytes
???????????? 225 ???? ????Photosynthesis is f ound in (Answer : A)
???????? ???????? ???????????? a) Producers ????b) Decomposers ????c) Consumers ????d)Scavengers
???????????? 226 ???? ????Phytoplankton are (Answer : B)
???????? ???????? ???????????? a) Producers of f orest ????b) Producers of lakes ????c) Consumers of Ocean ????d)Omnivores
???????????? 227 ???? ????Gas released during photosynthesis is (Answer : C)
???????? ???????? ???????????? a) Methane ????b) Nitrogen ????c) Oxygen ????d)Carbon dioxide
???????????? 228 ???? ????The ma jor reservoir of carbon is (Answer : B)
???????? ???????? ???????????? a) The atmosphere ????b) Ocean Bed ????c) Plant and animals ????d)Rock
???????????? 229 ???? ????The simplest aquatic ecosystem can be seen in a (Answer : C)
???????? ???????? ???????????? a) River ????b) Lake ????c) Pond ????d)Water Tank
???????????? 230 ???? ????What is hibernation and aestivation? (Answer : A)
???????? ???????? ???????????? a) Thermal adaptation shown by animals ????b) wind adaptation shown by animals ????c) adaptation of
animals to escape from predators ????d)None
???????????? 231 ???? ????What is lentic habitat ? (Answer : B)
???????? ???????? ???????????? a) Running water habitat ????b) Standing or still water habitat ????c) Marine habitat ????d)None
???????????? 232 ???? ????What is lotic habitat? (Answer : C)
???????? ???????? ???????????? a) Standing or still water habitat ????b) Marine habitat ????c) Running water habitat ????d)Stagnant water
???????????? 233 ???? ????What is Plankton? (Answer : A)
???????? ???????? ???????????? a) Microscopic floating organisms ? Plants and animals. ????b) bottom dwelling aquatic organisms ????c)
Large plants in water ????d)None
???????????? 234 ???? ????What is Canopy? (Answer : A)
???????? ???????? ???????????? a) Uppermost level of the f orest ????b) Ground level of the f orest ????c) Soil in f orest ????d)Climbers on
trees
???????????? 235 ???? ????North American gr assland are called (Answer : B)
???????? ???????? ???????????? a) Pampas ????b) Pr airies ????c) Savannah ????d)None
???????????? 236 ???? ????African gr asslands are called (Answer : C)
???????? ???????? ???????????? a) Pr airies ????b) Pampas ????c) Savannah ????d)None
???????????? 237 ???? ????Green plants are absent in deep sea. Why? (Answer : A)
???????? ???????? ???????????? a) Light is absent ????b) High pressure ????c) low temper ature ????d)Great depth
???????????? 238 ???? ????What is desertification? (Answer : D)
???????? ???????? ???????????? a) Conversion of f orests into desert ????b) Conversion of croplands into desert ????c) Conversion of
gr assland into desert ????d)all of the above
???????????? 239 ???? ????The first trophic level in a f ood chain (Answer : A)
???????? ???????? ???????????? a) Green Plants ????b) Herbivores ????c) Carnivores ????d)Bacteria
???????????? 240 ???? ????Sulphur bacteria are examples of (Answer : D)
???????? ???????? ???????????? a) Carnivores ????b) Heterotrophs ????c) Saprophytes ????d)Autotrophs
???????????? 241 ???? ????Green Land biome (Answer : B)
???????? ???????? ???????????? a) Tundr a ????b) Pampas ????c) Taiga ????d)Thaar.
???????????? 242 ???? ????What is deep ecology? (Answer : A)
???????? ???????? ???????????? a) Protecting nature f or its own sake ????b) Ecology of deep sea ????c) Ecology of f orest ????d)Ecology of
caves
???????????? 243 ???? ????Cor al reefs in India can be seen in (Answer : B)
???????? ???????? ???????????? a) Himalayan region ????b) Andaman and Nicobar Islands ????c) Uttarpr adesh ????d)Mahar ashtr a
???????????? 244 ???? ????____________ is one of the most endangered species of Indian birds (Answer : D)
???????? ???????? ???????????? a) Bee eater ????b) Par adise fly catcher ????c) Owl ????d)The great Indian bustard
???????????? 245 ???? ????................. species is known as Azadir achta Indica (Answer : A)
???????? ???????? ???????????? a) Neem ????b) Mango ????c) Jackfruit ????d)Banana
???????????? 246 ???? ????.................... is a marine tortoise which shows the unique phenomenon ?arribada? (Answer : A)
???????? ???????? ???????????? a) Olive Ridley ????b) Star T ortoise ????c) Tr avancore T ortoise ????d)b & c
???????????? 247 ???? ????.................... tree is known as ?flame of the f orest?? (Answer : B)
???????? ???????? ???????????? a) Zizyphus ????b) Butea monosperma ????c) Jackfruit ????d)Pongamea
???????????? 248 ???? ????All are insitu conservation ef f orts except (Answer : C)
???????? ???????? ???????????? a) National parks ????b) Sanctuaries ????c) Zoo ????d)
???????????? 249 ???? ????Approximately, 50% of total world species are present on (Answer : A)
???????? ???????? ???????????? a) tropical r ain f orest ????b) temper ate r ain f orest ????c) temper ate deciduous f orest d ????d)cor al reefs
???????????? 250 ???? ????Bears are usually hunted and killed f or their (Answer : B)
???????? ???????? ???????????? a) Teeth ????b) Skin ????c) Gall bladder ????d)Nails
???????????? 251 ???? ????Biodiversity (Answer : A)
???????? ???????? ???????????? a) increases towards the equator ????b) decreases towards the equator ????c) remains same throughout
the planet d ????d)has no ef f ect on change in latitude
???????????? 252 ???? ????Black Buck is a (Answer : B)
???????? ???????? ???????????? a) Goat ????b) Deer ????c) Butterfly ????d)Bird
???????????? 253 ???? ????Blue whale is placed under (Answer : A)
???????? ???????? ???????????? a) endangered ????b) critically endangered ????c) r are ????d)d) extinct
???????????? 254 ???? ????Conservation within the natur al habitat is (Answer : A)
???????? ???????? ???????????? a) insitu conservation ????b) exsitu conservation ????c) invivo conservation ????d)d) exvivo conservation
???????????? 255 ???? ????Cor al reefs in India can be seen in (Answer : B)
???????? ???????? ???????????? a) Himalayan region ????b) Andaman and Nicobar Islands ????c) Uttarpr adesh ????d)Mahar ashtr a
???????????? 256 ???? ????Dodo is (Answer : D)
???????? ???????? ???????????? a) endangered ????b) b) critically endangered ????c) c) r are ????d)d) extinct
???????????? 257 ???? ????Endemic species are (Answer : B)
???????? ???????? ???????????? a) r are species ????b) b) species localised in a specific region ????c) c) cosmopolitan in distribution d)
critically endangered species ????d)
???????????? 258 ???? ????Ex situ conservation includes (Answer : D)
???????? ???????? ???????????? a) Zoo ????b) Botanic garden ????c) c) Germplasm bank ????d)d) all of the above
???????????? 259 ???? ????Gharial is a (Answer : A)
???????? ???????? ???????????? a) Crocodile ????b) b) Cobr a ????c) c) T ortoise ????d)d) Frog
???????????? 260 ???? ????Herpetology is a br anch of Science which deals with (Answer : C)
???????? ???????? ???????????? a) Aves ????b) Mammals ????c) Reptiles ????d)Fishes
???????????? 261 ???? ????Hot spots are regions of high (Answer : B)
???????? ???????? ???????????? a) r arity ????b) b) endemism ????c) c) critically endangered population d) diversity ????d)d) diversity
???????????? 262 ???? ????India is primary centre of domestication of (Answer : D)
???????? ???????? ???????????? a) Sheep ????b) Goat ????c) Water Buf f alo ????d)Elephants
???????????? 263 ???? ????IUCN (The International Union For Conservation Of Nature And Natur al Resources) headquarters is at
(Answer : A)
???????? ???????? ???????????? a) Morges, Switzerland ????b) Paris, Fr ance ????c) Vienna, Austria d ????d)NewYork, USA
???????????? 264 ???? ????IUCN is also called as (Answer : B)
???????? ???????? ???????????? a) Man and Biosphere progr am ????b) World Conservation Union ????c) World Conservation Consortium
d ????d)World Wide Conservation Union
???????????? 265 ???? ????Killing of animals disturbs (Answer : C)
???????? ???????? ???????????? a) Good f or eco system ????b) Good f or man ????c) The balance of nature ????d)None
???????????? 266 ???? ????MAB progr am stands f or (Answer : D)
???????? ???????? ???????????? a) Man and biotechnology ????b) Material and biology ????c) Man and Biology ????d)Man and Biosphere
???????????? 267 ???? ????Pangolins f eed on (Answer : A)
???????? ???????? ???????????? a) ants ????b) b) fruits ????c) c) leaves ????d)d) roots
???????????? 268 ???? ????Red data book contains data of (Answer : D)
???????? ???????? ???????????? a) all plant species ????b) all animal species ????c) economically important species ????d)threatened
species
???????????? 269 ???? ????Silent Spring is a well known book written by (Answer : C)
???????? ???????? ???????????? a) John Miller ????b) Charles Darwin ????c) Rachel Carson ????d)Aldoleopold
???????????? 270 ???? ????The drug morphine is extr acted from ............... plant (Answer : C)
???????? ???????? ???????????? a) Cocoa ????b) Belladonna ????c) Opium Poppy ????d)Tannin
???????????? 271 ???? ????The first global environmental protection treaty The Montreal Protocol was signed on Sept. 26. (Answer
: D)
???????? ???????? ???????????? a) 1985 ????b) 1990 ????c) 1981 ????d)1987
???????????? 272 ???? ????The most important reason f or decrease in biodiversity is (Answer : D)
???????? ???????? ???????????? a) habitat pollution ????b) introduction of exotic species ????c) overexploitation ????d)habitat destruction
???????????? 273 ???? ????The only ape f ound in India (Answer : C)
???????? ???????? ???????????? a) Gorilla ????b) Chimpanzee ????c) Hoolock gibbon ????d)Or anguttan
???????????? 274 ???? ????Which of the f ollowing is a biodiversity hot sport in India? (Answer : A)
???????? ???????? ???????????? a) Western Ghats ????b) Nandadevi ????c) Eastern Ghats ????d)Ar avalli
???????????? 275 ???? ????Which of the f ollowing region has maximum diversity? (Answer : D)
???????? ???????? ???????????? a) mangroves ????b) temper ate r ainf orest ????c) taiga d ????d)cor al reefs
???????????? 276 ???? ????Which plants die after flowering? (Answer : B)
???????? ???????? ???????????? a) Lotus ????b) Bamboo ????c) Chrysanthemum ????d)Butea
???????????? 277 ???? ????Which tree is known as Cor al tree? (Answer : C)
???????? ???????? ???????????? a) Quercus ????b) Dipterocarps ????c) Erythrina ????d)Zizypus
???????????? 278 ???? ????Salim Ali Centre f or Ornithology and Natur al history is located at ______ (Answer : D)
???????? ???????? ???????????? a) Pune ????b) Hyder abad ????c) Ker ala ????d)Coimbatore
???????????? 279 ???? ????World wildlif e week is observed during (Answer : A)
???????? ???????? ???????????? a) First week of October ????b) Last week of October ????c) Third week of October ????d)First week of
September
???????????? 280 ???? ????Zoological Survey of India is at (Answer : C)
???????? ???????? ???????????? a) Delhi ????b) Mumbai ????c) Kolkata ????d)Chennai
???????????? 281 ???? ????The Salim Ali Bird sanctuary is located at (Answer : B)
???????? ???????? ???????????? a) Pondicherry ????b) Thattekad ????c) Anakkatti ????d)Kalakkadj
???????????? 282 ???? ????Who among the f ollowing is commonly called ?Bird Man of India?? (Answer : A)
???????? ???????? ???????????? a) Salim Ali ????b) M.S. Swaminathan ????c) M.C. Mehta ????d)Raphel Emerson
???????????? 283 ???? ????The phenomenon of occurrence of additional species f ound in the ecotone or tr ansitional zone
between adjoining ecosystems is known as _________ (Answer : A)
???????? ???????? ???????????? a) Edge ef f ect ????b) Root ef f ect ????c) Raman ef f ect ????d)Coolidge ef f ect
???????????? 284 ???? ????A set of organisms that resemble one another in appear ance and behaviour is called a _____________
(Answer : C)
???????? ???????? ???????????? a) Exons ????b) Prions ????c) Species ????d)guilds
???????????? 285 ???? ????All the genes of a population is called (Answer : A)
???????? ???????? ???????????? a) gene pool ????b) Genome ????c) Gene bunch ????d)Gene population
???????????? 286 ???? ????The first protected area in India is ____________ (Answer : B)
???????? ???????? ???????????? a) Silent valley ????b) Corbett National Park ????c) Bandipur sanctuary ????d)Nagar-Hole
???????????? 287 ???? ????The Indian Parliament passed the Biodiversity Bill in the year_________ (Answer : C)
???????? ???????? ???????????? a) 2000 ????b) 2005 ????c) 2002 ????d)2007
???????????? 288 ???? ????The destruction of habitat of plants and animals is called (Answer : C)
???????? ???????? ???????????? a) Endemism ????b) Endangered species ????c) Habitat loss ????d)Flood
???????????? 289 ???? ????Zoos are examples f or (Answer : C)
???????? ???????? ???????????? a) In-situ conservation ????b) In-vivo conservation ????c) Ex-situ conservation ????d)Ex-vivo conservation
???????????? 290 ???? ????In which Indian state is Corbet National park located (Answer : B)
???????? ???????? ???????????? a) Madya Pr adesh ????b) Uttar akhand ????c) Ker ala ????d)Tamilnadu
???????????? 291 ???? ????The first national park of Ker ala (Answer : D)
???????? ???????? ???????????? a) Ar alam ????b) Kottayam ????c) Idukki ????d)Ir avikulam
???????????? 292 ???? ????In which year was Pro ject Tiger launched? (Answer : A)
???????? ???????? ???????????? a) 1973 ????b) 1964 ????c) 1998 ????d)1970
???????????? 293 ???? ????Earth summit of Rio de Janeiro (1992) resulted in (Answer : C)
???????? ???????? ???????????? a) Compilation of Red list ????b) Establishment of biosphere reserves ????c) Conservation of biodiversity
????d)IUCN
???????????? 294 ???? ????Lions are f ound in (Answer : D)
???????? ???????? ???????????? a) Western Ghats ????b) Corbett National Park ????c) Forests of Madhya Pr adesh ????d)Gir f orests
???????????? 295 ???? ????National Park associated with rhinoceros is (Answer : A)
???????? ???????? ???????????? a) Kazir anga ????b) Ranthambore ????c) Corbett ????d)Valley of flowers
???????????? 296 ???? ????Some species of plants and animals are extremely r are and may occur only at a f ew locations are called
(Answer : B)
???????? ???????? ???????????? a) Endemic ????b) Endangered ????c) Vulner able ????d)Threatened
???????????? 297 ???? ????The only known breeding colony of the greater and lesser Flamingos in our country is seen in
???????.. desert. (Answer : A)
???????? ???????? ???????????? a) The Great Rann of Kutch ????b) The Thar ????c) Ladakh ????d)Atacama
???????????? 298 ???? ????The one-horned Rhinoceros is now restricted to which state? (Answer : C)
???????? ???????? ???????????? a) Mahar ashtr a ????b) Gujar at ????c) Assam ????d)Uttar Pr adesh
???????????? 299 ???? ????Asiatic lion is f ound only in _____ (Answer : A)
???????? ???????? ???????????? a) Gir Forest ????b) Manas ????c) Kasir anga ????d)Sundarbans
???????????? 300 ???? ????________ is a marine tortoise which shows the unique phenomenon ???arribada??? (Answer : A)
???????? ???????? ???????????? a) Olive Ridley ????b) Star T ortoise ????c) Tr avancore T ortoise ????d)b & c
???????????? 301 ???? ????Largest reptile in the world (Answer : B)
???????? ???????? ???????????? a) Dr agon ????b) Anaconda ????c) Crocodile ????d)Python
???????????? 302 ???? ????Snow leopard is f ound in which National Park? (Answer : B)
???????? ???????? ???????????? a) Kazir anga ????b) The Great Himalayan ????c) Bhar atpur ????d)Nagarhole
???????????? 303 ???? ????Point Calimere sanctuary is situated in which state? (Answer : A)
???????? ???????? ???????????? a) Tamilnadu ????b) Ker ala ????c) Karnataka ????d)Gujar at
???????????? 304 ???? ????The movement Beej Bachao Andolan was aimed f or the conservation of ________ (Answer : C)
???????? ???????? ???????????? a) Trees ????b) Shrubs ????c) Crops ????d)Coconut
???????????? 305 ???? ????In which year Silent Valley was declared as National Park? (Answer : C)
???????? ???????? ???????????? a) 1988 ????b) 1982 ????c) 1984 ????d)1981
???????????? 306 ???? ????The Red Data book which lists endangered species is maintained by (Answer : C)
???????? ???????? ???????????? a) UNO ????b) WHO ????c) IUCN ????d)WWF
???????????? 307 ???? ????First Biosphere reserve in India (Answer : A)
???????? ???????? ???????????? a) Nilgiri ????b) Agastyamala ????c) Er avikulam ????d)Chinnar
???????????? 308 ???? ????Flag ship species of Choolannur sanctuary (Answer : B)
???????? ???????? ???????????? a) Tiger ????b) Peacock ????c) Elephant ????d)Rhino
???????????? 309 ???? ????Which of the f ollowing is an extinct species? (Answer : C)
???????? ???????? ???????????? a) Tiger ????b) Lion ????c) Dodo ????d)Ostrich
???????????? 310 ???? ????________ is one of the most endangered species of Indian birds (Answer : D)
???????? ???????? ???????????? a) Bee eater ????b) Par adise fly catcher ????c) Owl ????d)The great Indian bustard
???????????? 311 ???? ????Many wild plant and animals are on the verge of extinction due to (Answer : A)
???????? ???????? ???????????? a) Habitat destruction ????b) Climatic changes ????c) Non availability of f ood ????d)None of the above
???????????? 312 ???? ????The most endangered ecosystem in India (Answer : B)
???????? ???????? ???????????? a) Shola f orest ecosystem ????b) Evergreen f orest ecosystem ????c) Pond ecosystem ????d)Tundr a
Ecosystem
???????????? 313 ???? ????Er avikulam National Park conserves (Answer : D)
???????? ???????? ???????????? a) Lion tailed macaque ????b) Tiger ????c) Elephant ????d)Nilgiri Tahr
???????????? 314 ???? ????First National Park in India (Answer : A)
???????? ???????? ???????????? a) Jim Corbert National Park ????b) Bandipur National Park ????c) Gir National Park ????d)Sunderbans
National Park
???????????? 315 ???? ????Agastyamalai Biosphere reserve is in (Answer : B)
???????? ???????? ???????????? a) Pathanamthitta ????b) Thiruvananthapur am ????c) Idukki ????d)Wayanad
???????????? 316 ???? ????What is meant by ex-situ conservation? (Answer : C)
???????? ???????? ???????????? a) Conservation of a species by protecting its habitat along with all other species living there. ????b)
Conservation of f orest eco system ????c) Conservation of a species outside its natur al habitat ????d)Conservation of
plants
???????????? 317 ???? ????The state which constituted green bench (Answer : B)
???????? ???????? ???????????? a) Ker ala ????b) Tamilnadu ????c) Assam ????d)Madhya Pr adesh
???????????? 318 ???? ????Name the endangered animal which is protected in Ra jamalai National park (Answer : C)
???????? ???????? ???????????? a) Chital ????b) Black buck ????c) Nilgiri Tahr ????d)None
???????????? 319 ???? ????Animals and plants are best protected in (Answer : C)
???????? ???????? ???????????? a) Zoos ????b) Botanical Gardens ????c) National Parks ????d)Sanctuaries
???????????? 320 ???? ????Worlds first Teak Forest was planted in 1842 in Ker ala. Identif y the place. (Answer : B)
???????? ???????? ???????????? a) Wayanad ????b) Nilambur ????c) Silent Valley ????d)Nelliyampathy
???????????? 321 ???? ????The Native Place of Redwood trees? (Answer : C)
???????? ???????? ???????????? a) Austr alia ????b) Amazon ????c) Calif ornia ????d)Thailand
???????????? 322 ???? ????Centre of Modern nuclear technology in India (Answer : C)
???????? ???????? ???????????? a) CRAS ????b) SARC ????c) BARC ????d)None of these
???????????? 323 ???? ????What is an Inciner ator? (Answer : A)
???????? ???????? ???????????? a) Furnace used f or burning solid waste ????b) Furnace used f or treating liquid waste ????c) Both a & b
????d)None of these
???????????? 324 ???? ????Photochemical smog is called (Answer : B)
???????? ???????? ???????????? a) T okyo smog ????b) London smog ????c) Los Angeles smog ????d)None
???????????? 325 ???? ????The combustion of waste in the absence of Oxygen is called (Answer : B)
???????? ???????? ???????????? a) Haemolysis ????b) Pyrolysis ????c) Hydrolysis ????d)None
???????????? 326 ???? ????The heating of earths atmosphere due to tr apped r adiation is known as (Answer : D)
???????? ???????? ???????????? a) Global warming ????b) Glass-House ef f ect ????c) Thermal ef f ect ????d)Green House Ef f ect
???????????? 327 ???? ????Thickness of plastic cover permissible to use (Answer : C)
???????? ???????? ???????????? a) 50 Microns ????b) 20 Microns ????c) 100 Microns ????d)10 Microns
???????????? 328 ???? ????A biodegr adable plastic developed by Biopak Corpor ation Austr alia (Answer : A)
a) Biopol ????b) Pet ????c) Polyester ????d)PVC
???????????? 329 ???? ????The Residential and Commercial wastes mainly consist of: (Answer : A)
???????? ???????? ???????????? a) Food wastes ????b) Card board ????c) Packaging materials ????d)None of these
???????????? 330 ???? ????Lead in water can cause (Answer : C)
???????? ???????? ???????????? a) Eye disease ????b) Arthritis ????c) Kidney damage ????d)Hair f alling
???????????? 331 ???? ????Colorless odorless and non corrosive air pollutant is (Answer : C)
???????? ???????? ???????????? a) Sulphur dioxide ????b) Carbon monoxide ????c) Carbon dioxide ????d)Ozone
???????????? 332 ???? ????Disease aggr avated by air pollution is (Answer : C)
???????? ???????? ???????????? a) Choler a ????b) Rheumatism ????c) Bronchitis ????d)Haemophilia
???????????? 333 ???? ????Which of the f ollowing type of pollution can cause the outbreak of Jaundice (Answer : C)
???????? ???????? ???????????? a) Air ????b) Thermal ????c) Water ????d)Land
???????????? 334 ???? ?????Ozone Hole? is a _____________ (Answer : B)
???????? ???????? ???????????? a) Hole in the atmosphere b ????b) Destruction of ozone layer c ????c) Hole in the hydrosphere d ????d)Hole
in the troposphere
???????????? 335 ???? ?????Plumbism? is the disorder develops in man when exposed to..... (Answer : A)
???????? ???????? ???????????? a) a) Lead ????b) b) Mercury ????c) c) Arsenic ????d)d) CO
???????????? 336 ???? ????A pollutant not released by exhaust of automobiles is.... (Answer : C)
???????? ???????? ???????????? a) a) SO 2 ????b) b) CO ????c) c) Fly Ash ????d)d) Hydrocarbon gases
???????????? 337 ???? ????Acid r ain contains (Answer : A)
???????? ???????? ???????????? a) Sulphuric acid b ????b) Hydrochloric acid c ????c) Oxalic acid d ????d)Acetic acid
???????????? 338 ???? ????An example of natur al pollutant is (Answer : D)
???????? ???????? ???????????? a) a) Forest fire ????b) b) Natur al Organic Decay ????c) c) Volcanic eruptions ????d)d) All of the above
???????????? 339 ???? ????An example of non-biodegr adable pollutant is (Answer : B)
???????? ???????? ???????????? a) a) Sewage ????b) b) Plastic ????c) c) Litter ????d)d) Vegetable waste
???????????? 340 ???? ????Birth r ate is called (Answer : C)
???????? ???????? ???????????? a) mortality b ????b) vital index c ????c) natality d ????d)viability
???????????? 341 ???? ????Bishnoi women is connected to (Answer : B)
???????? ???????? ???????????? a) Hindi Film ????b) b) Chipko movement ????c) c) Climate change ????d)d) Women rights
???????????? 342 ???? ????BOD is used f or the measurement of .... (Answer : C)
???????? ???????? ???????????? a) a) Atmospheric pollution ????b) b) Soil pollution ????c) c) Water pollution ????d)d) Nuclear pollution
???????????? 343 ???? ????Causative organisms of Malaria (Answer : C)
???????? ???????? ???????????? a) Bacteria b ????b) Fungus c ????c) Plasmodium d ????d)Virus
???????????? 344 ???? ????Component not released in the burning coal is... (Answer : D)
???????? ???????? ???????????? a) a) NO 2 ????b) b) SO 2 ????c) c) Fly Ash ????d)d) O 2
???????????? 345 ???? ????Death r ate of the population (Answer : A)
???????? ???????? ???????????? a) Mortality b ????b) Viability c ????c) Natality d ????d)Vitality
???????????? 346 ???? ????Ear muf fs or Cotton plugs are used to reduce pollution of..... (Answer : B)
???????? ???????? ???????????? a) a) Air ????b) b) Noise ????c) c) Thermal ????d)d) Nuclear
???????????? 347 ???? ????EIA is the (Answer : C)
???????? ???????? ???????????? a) a) Economic Inf ormation Awareness ????b) b) Environmental Inf ormation Awareness ????c) c)
Environmental Impact Assessment ????d)d) Environmental Impact Avoidance
???????????? 348 ???? ????El Nino (Answer : A)
???????? ???????? ???????????? a) a) a climate cycle in the Pacific Ocean impacting global weather patterns ????b) b) Cold current in the
Atlantic influencing South American weather ????c) c) An annual underwater phenomenon af f ecting global weather
????d)d) A sub-sahar an hot wind af f ecting global climate.
???????????? 349 ???? ????Environmental Protection Act was introduced in the year (Answer : A)
???????? ???????? ???????????? a) 1986 b ????b) 1988 c ????c) 1972 d ????d)1989
???????????? 350 ???? ????Example f or a bio-degr adable polymer is (Answer : C)
???????? ???????? ???????????? a) Polyethylene b ????b) Polypropylene c ????c) Poly lactic acid d ????d)Polyester
???????????? 351 ???? ????Exposure of human body to r adiation may cause... (Answer : D)
???????? ???????? ???????????? a) a) Polio ????b) b) Gastroenteritis ????c) c) Haemophilia ????d)d) Leukemia
???????????? 352 ???? ????Increased heart beat, constriction of blood vessels and dilation of pupil are symptoms of.... (Answer :
A)
???????? ???????? ???????????? a) a) Sound pollution ????b) b) Thermal pollution ????c) c) Air pollution ????d)d) Nuclear pollution
???????????? 353 ???? ????India Government passed the Air act in the year (Answer : B)
???????? ???????? ???????????? a) a) 1991 ????b) b) 1981 ????c) c) 1982 ????d)d) 2001
???????????? 354 ???? ????Inf ection of HIV is usually detected by which test (Answer : A)
???????? ???????? ???????????? a) Elisa test b ????b) Hybridization c ????c) Gr am staining d ????d)None
???????????? 355 ???? ????IPCC (Answer : C)
???????? ???????? ???????????? a) a) International Panel on Climate Change ????b) b) International Peace Conf erence f or Climate ????c) c)
Intergovernmental Panel on Climate Change ????d)d) Intercontinental Plans f or Continuous
???????????? 356 ???? ????Largest source of air pollution in cities are .... (Answer : C)
???????? ???????? ???????????? a) a) Industries ????b) b) Sewage ????c) c) Automobiles ????d)d) Tanneries
???????????? 357 ???? ????Leader of ?Narmada Bachao Andolan? (Answer : B)
???????? ???????? ???????????? a) Vandana Siva b ????b) Medha Patkar c ????c) Menaka Gandhi d ????d)Mayilamma
???????????? 358 ???? ????Minamata disease is due to... (Answer : A)
???????? ???????? ???????????? a) a) Mercury poisoning ????b) b) Lead poisoning ????c) c) Arsenic poisoning ????d)d) Cadmium poisoning
???????????? 359 ???? ????Mullaperiyar dam is in the district? (Answer : C)
???????? ???????? ???????????? a) Thrissur b ????b) Pathanamthitta c ????c) Idukki d ????d)Alappuzha.
???????????? 360 ???? ????National Maritime Day of India is celebr ated on ______________ (Answer : B)
???????? ???????? ???????????? a) October 16 b ????b) April 05 c ????c) March 21 d ????d)May 22
???????????? 361 ???? ????Natur al earthquakes are caused by __________ (Answer : A)
???????? ???????? ???????????? a) Earth?s crust b ????b) deep seas c ????c) peak mountains d ????d)f orests
???????????? 362 ???? ????Noise is _______________ (Answer : C)
???????? ???????? ???????????? a) Huge sound b ????b) Sound of vehicles c ????c) Undesir able and unwanted sound d ????d)Sound of
cr ackers
???????????? 363 ???? ????Of ficial date of Earth Day is on _________ (Answer : A)
???????? ???????? ???????????? a) April 22 b ????b) March 21 c ????c) May 22 d ????d)June 05
???????????? 364 ???? ????On which date was the Stockholm Conf erence on Human Environment held? (Answer : C)
???????? ???????? ???????????? a) July 6th 1974 b ????b) Aug 8th 1976 c ????c) June 5th 1972 d ????d)Dec 12th 1990
???????????? 365 ???? ????One third of the global cases of Tuberculosis is in (Answer : C)
???????? ???????? ???????????? a) Britain b ????b) Sweden c ????c) India d ????d)China
???????????? 366 ???? ????Organ af f ected by pneumonia (Answer : D)
???????? ???????? ???????????? a) Liver b ????b) Kidney c ????c) Heart d ????d)Lungs.
???????????? 367 ???? ????Ozone (Answer : A)
???????? ???????? ???????????? a) a) strong poisonous f orm of Oxygen with 3 atoms in a molecule ????b) b) A mix of various gases
f orming a protective cover ????c) c) Purest f orm of Oxygen which increases its supply on earth ????d)d) a strong and
protective compound from Oxygen and Hydrogen
???????????? 368 ???? ????Ozone in lower atmosphere is an example of ... (Answer : B)
???????? ???????? ???????????? a) a) Primary pollutant ????b) b) Secondary pollutant ????c) c) Tertiary pollutant ????d)d) Not a pollutant
???????????? 369 ???? ????Ozone layer is (Answer : A)
???????? ???????? ???????????? a) A) 20 ? 50 km above the surf ace of the earth ????b) B) 70 to 90 kms above the earth ????c) C) 30 ? 40
kms below the earth ????d)D) 20 ? 50 kms below the sea level.
???????????? 370 ???? ????Ozone layer is situated in which str ata of artmosphere? (Answer : B)
???????? ???????? ???????????? a) Thermosphere ????b) (b) str atosphere ????c) (c) ionosphere ????d)(d) mesosphere
???????????? 371 ???? ????Poisonous gas caused Bhopal gas tr agedy (Answer : A)
???????? ???????? ???????????? a) Methyl isocyanate ????b) (b) Ethyl isocyante ????c) (c) Methyl isocyanide ????d)(d) Ethyl isocyamide
???????????? 372 ???? ????Presence of E. coli in water is an indication of (Answer : A)
???????? ???????? ???????????? a) Fecal contamination (b ????b) Lead contamination (c ????c) Vir al contamination (d ????d)Mercury
contamination
???????????? 373 ???? ????Public awareness of environment creates ___________ (Answer : A)
???????? ???????? ???????????? a) Environment protection b ????b) Environment degr adation c ????c) Environmental improvement d
????d)Environmental cultivation
???????????? 374 ???? ????Public Health is not dependent on (Answer : C)
???????? ???????? ???????????? a) a) saf e drinking water ????b) b) suf ficient f ood ????c) c) competitive market conditions ????d)d) good
social conditions
???????????? 375 ???? ????Rain water harvesting is a ma jor method implemented f or_____________ (Answer : A)
???????? ???????? ???????????? a) Water Conservation b ????b) Soil Conservation c ????c) Forest conservation d ????d)Ecological
conservation
???????????? 376 ???? ????Salmonellosis is a disease related to consumption of (Answer : D)
???????? ???????? ???????????? a) Chicken b ????b) Eggs c ????c) Mutton d ????d)Fish
???????????? 377 ???? ????Soil pollution is caused by.... (Answer : D)
???????? ???????? ???????????? a) a) Industrial wastes ????b) b) Detergents ????c) c) Agrochemicals ????d)d) All of these
???????????? 378 ???? ????Some pollutants combine with hemoglobin and impede oxygen tr ansport. Such pollutants are...
(Answer : C)
???????? ???????? ???????????? a) a) SO 3 ????b) b) N2 O ????c) c) CO ????d)d) All of these
???????????? 379 ???? ????Spr aying of DDT to kill insects causes pollution of..... (Answer : D)
???????? ???????? ???????????? a) a) Air ????b) b) Water ????c) c) Soil ????d)d) All of these
???????????? 380 ???? ????Superbugs are (Answer : B)
???????? ???????? ???????????? a) Synthetic bug b ????b) Bacteria c ????c) Radio nucleotide d ????d)Industries
???????????? 381 ???? ????The 3 R principle in waste management involves (Answer : B)
???????? ???????? ???????????? a) Reduce, Regain, Reuse b ????b) Reduce, Reuse, Recycle c ????c) Reduce, Ref orm, Reset d ????d)Reduce,
Retain, Regain
???????????? 382 ???? ????The Anthr ax disease is caused by (Answer : B)
???????? ???????? ???????????? a) Virus b ????b) Bacteria c ????c) Protozoa d ????d)Helminthes
???????????? 383 ???? ????The chemical structure of Ozone is (Answer : B)
???????? ???????? ???????????? a) O 2 ????b) O3 ????c) O4 ????d)OZ3
???????????? 384 ???? ????The controversial dam across the river Narmada? (Answer : A)
???????? ???????? ???????????? a) Sardar Sarovar b ????b) Hir akud c ????c) Bhakr anangal d ????d)Sutlej.
???????????? 385 ???? ????The deadliest Tsunami in recorded history took place on (Answer : A)
???????? ???????? ???????????? a) 26-Dec-2004 b ????b) 26-Dec-2000 c ????c) 15-Nov-1990 d ????d)15-Dec-1999
???????????? 386 ???? ????The environmental stresses caused by urban individuals are expressed by (Answer : B)
???????? ???????? ???????????? a) Ecological pyr amid ????b) (b) Ecological f ootprint ????c) (c) Ecological indicators ????d)(d) Ecological index
???????????? 387 ???? ????The Expansion of SPCA (Answer : B)
???????? ???????? ???????????? a) Society f or the Protection of Common Animals b ????b) Society f or the Prevention of Cruelty to
Animals c ????c) Society f or the Prohibition of Cruelty to Animals d ????d)none
???????????? 388 ???? ????The expansion on PQLI is (Answer : A)
???????? ???????? ???????????? a) physical quality of lif e index b ????b) population quotient of lif e in India c ????c) poor quality of lif e in
India d ????d)poverty, quality of lif e in India
???????????? 389 ???? ????The f unction of ozone layer (Answer : C)
???????? ???????? ???????????? a) a) to prevent strong wind and r ains ????b) b) to f acilitate precipitation at lower levels ????c) c) to protect
earth from sun?s harmf ul ultr a-violet r adiation ????d)d) to increase the supply of oxygen
???????????? 390 ???? ????The historical monument that is af f ected by acid r ain is (Answer : A)
???????? ???????? ???????????? a) Ta j Mahal b ????b) Pyr amid of Egypt c ????c) Pisa T ower d ????d)Golden Temple
???????????? 391 ???? ????The intensity of earthquake is measured in ____________ (Answer : B)
???????? ???????? ???????????? a) Beauf ort scale b ????b) Richter scale c ????c) Mohs scale d ????d)Joules
???????????? 392 ???? ????The ma jor cause of depletion of ozone layer in the atmosphere is... (Answer : B)
???????? ???????? ???????????? a) a) Freon Gases ????b) b) CFC ????c) c) N 2 O ????d)d) CO 2
???????????? 393 ???? ????The ma jor reason why earth?s surf ace increases its temper ature is due to (Answer : C)
???????? ???????? ???????????? a) a) The earth?s surf ace is getting exposed ????b) b) The increase in the use of plastics ????c) c) About
75% of the solar energy reaching the earth surf ace is getting absorbed by earth ????d)The depleation of ozone
???????????? 394 ???? ????The method of simultaneous integr ation of trees with agricultur al crops is called (Answer : A)
???????? ???????? ???????????? a) Agro f orestry b ????b) Def orestation c ????c) Ref orestation d ????d)combined culture
???????????? 395 ???? ????The most widely f ound pollutant in the air is..... (Answer : A)
???????? ???????? ???????????? a) a) CO 2 ????b) b) CFC ????c) c) CO ????d)d) SO 2
???????????? 396 ???? ????The movement ?Pani Pan jayath? was initiated to conserve waters in the drought prone areas of
...................state. (Answer : C)
???????? ???????? ???????????? a) Tamilnadu b ????b) Ra jasthan c ????c) Mahar ashtr a d ????d)Karnataka
???????????? 397 ???? ????The nations threatened by submergence on account of global warming (Answer : D)
???????? ???????? ???????????? a) a) Pakistan and Afghanistan ????b) b) Ir an and Bangladesh ????c) c) Peru and West Indies ????d)d)
Bangladesh and Maldives
???????????? 398 ???? ????The pro jected rise in sea level in the near f uture (Answer : C)
???????? ???????? ???????????? a) a) 1.5 m ????b) b) 1.2 cm to 2.2 cm ????c) c) 9 cm to 88 cm ????d)d) 10 cm to 20 cm
???????????? 399 ???? ????The pro jected rise in temper ature in the next f ew decades (Answer : B)
???????? ???????? ???????????? a) a) 1.5 to 2 O C ????b) b) 1.4 to 5.8 O C ????c) c) 2.5 to 3.9 O C ????d)d) 1.5 to 9.2 O C
???????????? 400 ???? ????The R?s in 3Rs Principle stand f or; (Answer : B)
???????? ???????? ???????????? a) a) Reduce, Readiness, Redo ????b) b) Reduce, Reuse, Recycle ????c) c) Reclaim, Remedy,
Remembr ance ????d)d) Reduce, Register, Redo
???????????? 401 ???? ????The term ?Nuclear winter? is associated with (Answer : D)
???????? ???????? ???????????? a) Nuclear War b ????b) Nuclear disarmament c ????c) Nuclear weapon testing d ????d)After ef f ect of a
nuclear explosion
???????????? 402 ???? ????The word Tsunami is derived from two Japanese words (Answer : B)
???????? ???????? ???????????? a) tsu(big) and nami(flow) ????b) tsu(harbour) and nami(wave) ????c) tsu(big wave) and nami(wave)
????d)None of these
???????????? 403 ???? ????The World Wetlands Day is celebr ated on ________ (Answer : A)
???????? ???????? ???????????? a) February 02 b ????b) February 28 c ????c) June 05 d ????d)March 21
???????????? 404 ???? ????T orrey Canyon is f amous f or (Answer : D)
???????? ???????? ???????????? a) Gulf of War b ????b) Industries c ????c) Electric Potential d ????d)Oil spillage
???????????? 405 ???? ????Utilisation of natur al resources in moder ate manner to remaining something f or the next gener ation is
termed as (Answer : B)
???????? ???????? ???????????? a) a) Resettlement ????b) b) Sustainable development ????c) c) Rehabilitation ????d)d) Mutual development
???????????? 406 ???? ????Vermi-composting is a natur al method of (Answer : A)
???????? ???????? ???????????? a) Producing compost manure b ????b) Producing worms c ????c) Managing waste it creates d
????d)Destroying worms
???????????? 407 ???? ????Water pollution is caused by.... (Answer : B)
???????? ???????? ???????????? a) a) CO ????b) b) Fertilizers ????c) c) PAN ????d)d) Fossil f uels
???????????? 408 ???? ????What are the chemicals that lead to acid r ain? (Answer : B)
???????? ???????? ???????????? a) A) hydrogen peroxide ????b) B) sulf ur dioxide & nitrogen oxide ????c) C) Carbon dioxide ????d)D)
Ammonium phosphate & various silicates.
???????????? 409 ???? ????What causes acid r ain? (Answer : B)
???????? ???????? ???????????? a) A) open def ecation ????b) B) burning of f ossil f uels ????c) C) increase spread of paddy fields ????d)D)
the use of cowdung.
???????????? 410 ???? ????What is ?Black Lung?? (Answer : A)
???????? ???????? ???????????? a) Occupational Hazard to the miners b ????b) Occupational Hazard to navigators c ????c) Occupational
Hazard to pesticide applicators. d ????d)None of these
???????????? 411 ???? ????What is ?tempor ary threshold shift?? (Answer : A)
???????? ???????? ???????????? a) Hearing loss due to excessive noise b ????b) Noise that is untoler able c ????c) T oler able noise d
????d)inaudible noise
???????????? 412 ???? ????What is Bagasse? What is it used f or? (Answer : A)
???????? ???????? ???????????? a) Sugar cane waste ? to make paper b ????b) Biogas ? used as f uel c ????c) Liquid waste ? as f ertilizer d
????d)Vermi compost ? as f ertilizer
???????????? 413 ???? ????What is Carcinogen? (Answer : C)
???????? ???????? ???????????? a) Drugs f or curing inf ectious disease b ????b) Drugs used f or curing cancer c ????c) Cancer causing
agent d ????d)Food colour ants
???????????? 414 ???? ????What is GIS? (Answer : A)
???????? ???????? ???????????? a) Geogr aphical Inf ormation System (b ????b) Geological Inf ormation System (c ????c) Geogr aphical Index
System (d ????d)Geogr aphical Inf ormation Status
???????????? 415 ???? ????What is meant by GM f oods? (Answer : B)
???????? ???????? ???????????? a) Growth modified f oods b ????b) Genetically modified f ood c ????c) Growth marked f oods d ????d)Good
mobility f ood
???????????? 416 ???? ????What is the aver age increase in temper ature over last century? (Answer : D)
???????? ???????? ???????????? a) a) 0.6 ????b) b) 0.2 ????c) c) 0.7 ????d)d) 0.8
???????????? 417 ???? ????Where was the Stockholm conf erence on Human Environment held? (Answer : A)
???????? ???????? ???????????? a) Sweden b ????b) Austria c ????c) India d ????d)Greece
???????????? 418 ???? ????Which among the f ollowing is a water borne disease? (Answer : A)
???????? ???????? ???????????? a) Choler a ????b) (b) Tuberculosis ????c) (c) AIDS ????d)(d) Dermatitis
???????????? 419 ???? ????Which blood cells get af f ected by HIV? (Answer : B)
???????? ???????? ???????????? a) RBC ????b) (b) Lymphocytes ????c) (c) Monocytes ????d)(d) Basophil
???????????? 420 ???? ????Which group of mosquitoes are the vectors of malaria? (Answer : C)
???????? ???????? ???????????? a) Culex ????b) (b) Aedes ????c) (c) Anopheles ????d)(d)Mansonia
???????????? 421 ???? ????Which heavy metal is the cause f or black f oot disease? (Answer : B)
???????? ???????? ???????????? a) Cadmium ????b) (b) Arsenic ????c) (c) Mercury ????d)(d) Lead
???????????? 422 ???? ????Which is the first state in India that enf orced a ban to the manuf acture and use of plastics (Answer :
C)
???????? ???????? ???????????? a) Ker ala ????b) West Bangal ????c) Uttarpr adesh ????d)Delhi
???????????? 423 ???? ????Which is the warmest year on record? (Answer : D)
???????? ???????? ???????????? a) a) 1998 ????b) b) 2010 ????c) c) 2015 ????d)d) 2016
???????????? 424 ???? ????Which of the f ollowing is considered a nuclear disaster ? (Answer : D)
???????? ???????? ???????????? a) a) Bhopal Tr agedy of 1984 ????b) b) Chernobyl USSR ????c) c) Three mile incident ????d)d) both b & c
???????????? 425 ???? ????Which one is an example f or megacity in India? (Answer : B)
???????? ???????? ???????????? a) Kochi ????b) (b) Mumbai ????c) (c) Bangalore ????d)(d) Madr as359.
???????????? 426 ???? ????Which one is the permanent sterilization method used f or f emales? (Answer : A)
???????? ???????? ???????????? a) Tubectomy ????b) (b) Vasectomy ????c) (c) Microtomy ????d)(d) Contr aceptive pills
???????????? 427 ???? ????Which state proposed a ban on all types of polythene packing f or the first time in India? (Answer : A)
???????? ???????? ???????????? a) Himachal Pr adesh b ????b) Madhya Pr adesh c ????c) Ker ala d ????d)Karnataka
???????????? 428 ???? ????Which year was declared as the ?Water Year? by Indian government (Answer : C)
???????? ???????? ???????????? a) 2010 b ????b) 2004 c ????c) 2007 d ????d)2000
???????????? 429 ???? ????Who coined the slogan of ?Chipko Movement ? Ecology is Permanent economy (Answer : C)
???????? ???????? ???????????? a) Jawaharlal Nehru b ????b) Salim Ali c ????c) Sunderlal Bahuguna d ????d)Rachel Carson
???????????? 430 ???? ????Who had stated in the Stockholm Conf erence in 1972 that poverty was the greatest polluter? (Answer :
A)
???????? ???????? ???????????? a) Indir a Gandhi b ????b) Mahatma Gandhi c ????c) Ra jiv Gandhi d ????d)Jawaharlal Nehru
???????????? 431 ???? ????Wild lif e protection act was f ormulated during the period of ______ (Answer : A)
???????? ???????? ???????????? a) Mrs. Indir a Gandhi b ????b) Lal Bahadur Shasthri c ????c) Ra jiv Gandhi d ????d)Mor ar ji Desai
???????????? 432 ???? ????With the signing of ---------------------- in 1987, a treaty f or the protection (Answer : D)
???????? ???????? ???????????? a) of ozone layer, the use of -------------- was to be banned by the year ............. ????b) a) Kyoto Protocol,
f ossil f uels, 2010 b) GATT, opium, 2000 ????c) c) BOLT, Ammonia, 2000 ????d)d) Montreal Protocol, CFCs, 2000
???????????? 433 ???? ????World Earth Day is observed on (Answer : D)
???????? ???????? ???????????? a) May 24 b ????b) July 5 c ????c) Aug 2 d ????d)April 22
???????????? 434 ???? ????World environment day is observed every year marks the anniversary of (Answer : B)
???????? ???????? ???????????? a) a) Ramsar Convention-1971 ????b) b) Stockholm conf erence-1972 ????c) c) Rio de Janerio Earth
Summit-1992 ????d)d) Indian Forest Conservation Act -1982
???????????? 435 ???? ????World Water Day is celebr ated on ___________ (Answer : C)
???????? ???????? ???????????? a) May 22 b ????b) June 05 c ????c) March 22 d ????d)May 11
???????????? 436 ???? ????Expand GIS (Answer : A)
???????? ???????? ???????????? a) Geogr aphical Inf ormation System ????b) Geogr aphical Inf ormation Source ????c) Geological
Inf ormation System ????d)Geological Index System
???????????? 437 ???? ????MoEF means (Answer : B)
???????? ???????? ???????????? a) Ministry of Forest and Energy ????b) Ministry of Environment and Forests ????c) Ministry of Fuel and
Energy ????d)Management of Environment and Forestry
???????????? 438 ???? ????Ozone layer is present in (Answer : B)
???????? ???????? ???????????? a) Troposphere ????b) Str atosphere ????c) Mesosphere ????d)Ionosphere
???????????? 439 ???? ????Sedimentation is a (Answer : A)
???????? ???????? ???????????? a) Primary water treatment ????b) Secondary water treatment ????c) Tertiary water treatment ????d)None
of these
???????????? 440 ???? ????Rain during November is more acidic than monsoon r ain due to (Answer : B)
???????? ???????? ???????????? a) Dissolved CO2 ????b) Dissolved SO2 ????c) Dissolved NO2 ????d)None of the above.
???????????? 441 ???? ????Which chemical was responsible f or Bhopal gas tr agedy? (Answer : A)
???????? ???????? ???????????? a) Methyl iso Cyanate ????b) Benzene Hexa Chloride ????c) Tri Nitro T oluene ????d)B & C
???????????? 442 ???? ????Ganga Action Plan in India was launched in the year _________ (Answer : B)
???????? ???????? ???????????? a) 1988 ????b) 1985 ????c) 1980 ????d)1978
???????????? 443 ???? ????What is the name of the action plan f or sustainable development in the Twenty first century fr amed
in the Rio Declar ation on Environment & Development (1992)? (Answer : B)
???????? ???????? ???????????? a) Action 21 ????b) Agenda 21 ????c) Rio 21 ????d)Declar ation 21
???????????? 444 ???? ????The unit of measurement of intensity of sound is in _________ (Answer : A)
???????? ???????? ???????????? a) Decibels ????b) Lux ????c) Parsec ????d)Candela
???????????? 445 ???? ????Enrichment of water body by nutrients like phosphorus and nitrogen called ____________________
(Answer : B)
???????? ???????? ???????????? a) Succession ????b) Eutrophication ????c) Str atification ????d)Climax Vegetation
???????????? 446 ???? ????The worst nuclear accident happened to date is occurred at ___________ (Answer : A)
???????? ???????? ???????????? a) Chernobyl in 1986 ????b) Three Mile Power Plant in 1979 ????c) Sellafield in 1957 ????d)Fukushima in 2011
???????????? 447 ???? ????Ma jor cause of Ozone depletion is due to which chemical? (Answer : A)
???????? ???????? ???????????? a) ChloroFluoroCarbons ????b) Polyphenols ????c) Dioxins ????d)Rayon
???????????? 448 ???? ????The legally binding international agreement to reduce Greenhouse gases by 5% 2012 is _________
(Answer : C)
???????? ???????? ???????????? a) Vienna convention ????b) Montreal Protocol ????c) Kyoto Protocol ????d)None of the above
???????????? 449 ???? ????Which of the f ollowing enhances soil f ertility? (Answer : A)
???????? ???????? ???????????? a) Crop rotation ????b) Improved methods of agriculture ????c) Using new seed varieties ????d)Irrigation
???????????? 450 ???? ????Salinization is ______________________ (Answer : B)
???????? ???????? ???????????? a) Accumulation of salts in water ????b) Accumulation of salts in soil ????c) Accumulation of salts in body
????d)Accumulation of salts in animals
???????????? 451 ???? ????What is oil slick? (Answer : C)
???????? ???????? ???????????? a) Boiled oil ????b) Cooled oil ????c) Thin film of oil in sea water ????d)Oil in deep sea
???????????? 452 ???? ????Cigarette smoking exposes one to __________ (Answer : D)
???????? ???????? ???????????? a) Sulphur dioxide ????b) Carbon dioxide ????c) Nitrogen peroxide ????d)Carbon monoxide
???????????? 453 ???? ????Ozone Hole is a _____________ (Answer : B)
???????? ???????? ???????????? a) Hole in the atmosphere ????b) Destruction of ozone layer ????c) Hole in the hydrosphere ????d)Hole in
the troposphere
???????????? 454 ???? ????Euro II standard ref ers to _________ (Answer : C)
???????? ???????? ???????????? a) Lowering sulf ur content in f uel ????b) Increasing sulf ur content in f uel ????c) Lowering carbon content
in f uel ????d)increasing carbon content in f uel
???????????? 455 ???? ????What is tempor ary threshold shift? (Answer : A)
???????? ???????? ???????????? a) Hearing loss due to excessive noise ????b) Noise that is untoler able ????c) T oler able noise ????d)Inaudible
noise
???????????? 456 ???? ????Acid is an example of _____________ (Answer : A)
???????? ???????? ???????????? a) Corrosive waste ????b) Inf ectious waste ????c) Radioactive waste ????d)Ignitable waste
???????????? 457 ???? ????Any unf avor able alter ation of the environment may be called as (Answer : B)
???????? ???????? ???????????? a) Eutrophication ????b) Environmental pollution ????c) Biomagnification ????d)Bioaccumulation
???????????? 458 ???? ????The presence of solid, liquid or gaseous compounds, which may not be normally present, or in excess
concentr ation in the atmosphere is called (Answer : A)
???????? ???????? ???????????? a) Air pollution ????b) Water pollution ????c) Soil pollution ????d)Radioactive pollution
???????????? 459 ???? ????The depletion of trees is causing accumulation of (Answer : C)
???????? ???????? ???????????? a) NO2 ????b) SO2 ????c) CO2 ????d)O2
???????????? 460 ???? ????Smog is a (Answer : A)
???????? ???????? ???????????? a) Natur al phenomenon ????b) colourless gas ????c) combination of smoke and f og ????d)None of the
above
???????????? 461 ???? ????Air pollution from automobiles can be controlled by fitting (Answer : C)
???????? ???????? ???????????? a) Electrostatic precipitator ????b) wet scrubber ????c) Catalytic converter ????d)All the above.
???????????? 462 ???? ????Minamata disease is caused by (Answer : B)
???????? ???????? ???????????? a) Lead ????b) Mercurry ????c) Cadmium ????d)Arsenic
???????????? 463 ???? ????Which of the f ollowing is a natur al source of Air pollution? (Answer : D)
???????? ???????? ???????????? a) Acid r ain ????b) Precipitation ????c) Storms ????d)Volcanic eruptions
???????????? 464 ???? ????Ef f ect of carbon monoxide on blood, causing (Answer : D)
???????? ???????? ???????????? a) H2C03 ????b) COHb ????c) C02Hb ????d)HbCO2
???????????? 465 ???? ????Which of the f ollowing is a biodegr adable pollutant? (Answer : B)
???????? ???????? ???????????? a) DDT ????b) Sewage ????c) CFC ????d)Freons
???????????? 466 ???? ????The ma jor green house gas which is responsible f or causing about 60% of the green house ef f ect on
earth among the f ollowing is (Answer : A)
???????? ???????? ???????????? a) Carbon monoxide ????b) Methane ????c) NOx ????d)Carbon dioxide
???????????? 467 ???? ????Which of the f ollowing is not pollutant causing water pollution? (Answer : A)
???????? ???????? ???????????? a) Biodegr adable organic waste ????b) Non biodegr adable organic chemicals ????c) Inorganic substances
????d)None of these
???????????? 468 ???? ????BOD is a measure of (Answer : C)
???????? ???????? ???????????? a) Non biodegr adable organic matter ????b) Biodegr adable organic matter ????c) Both (a) and (b)
????d)None of these
???????????? 469 ???? ????Which among the f ollowing is not a primary air pollutant? (Answer : A)
???????? ???????? ???????????? a) Oxides of nitrogen ????b) Volatile organic compounds like hydrocarbons ????c) Suspended particulate
matter ????d)PAN
???????????? 470 ???? ????Longer exposure to NO2 even in small concentr ations may cause disease pertaining to (Answer : A)
???????? ???????? ???????????? a) Liver ????b) Lungs ????c) Kidneys ????d)Heart
???????????? 471 ???? ????Carbon dioxide reacts with moisture in the atmosphere f orming (Answer : A)
???????? ???????? ???????????? a) H2C02 ????b) H2C03 ????c) COHb ????d)CaHC03
???????????? 472 ???? ????Global worming means (Answer : A)
???????? ???????? ???????????? a) Increase in solar r adiation ????b) Increase in Earths Body Temper ature ????c) Acid Rain ????d)All the
above.
???????????? 473 ???? ????Which of the f ollowing is not a Green House Gas? (Answer : A)
???????? ???????? ???????????? a) Ozone ????b) C02 ????c) Water vapour ????d)SO2
???????????? 474 ???? ????Which of the f ollowing is not a solution f or Global worming? (Answer : A)
???????? ???????? ???????????? a) Reducing f ossil f uel consumption ????b) Plantation of more Trees ????c) Def orestation ????d)None of the
above
???????????? 475 ???? ????Global warming af f ects (Answer : A)
???????? ???????? ???????????? a) Food production ????b) Melting of glaciers ????c) Climate change ????d)All of these
???????????? 476 ???? ????The protocol that reduces green house gas emissions is (Answer : A)
???????? ???????? ???????????? a) Kyoto protocol ????b) Cartagena protocol ????c) Montreal protocol ????d)Vienna protocol
???????????? 477 ???? ????Important sources of land pollution are (Answer : A)
???????? ???????? ???????????? a) Industrial Wastes ????b) Agricultur al Wastes ????c) Both a & b ????d)None of the above
???????????? 478 ???? ????Green House ef f ect causes (Answer : A)
???????? ???????? ???????????? a) Rise in temper ature of earth ????b) Increase in r ainf all ????c) Lowering of acid r ain ????d)Lowering in
temper ature of earth
???????????? 479 ???? ????Climate and global air circulations are mainly af f ected by the properties of (Answer : A)
???????? ???????? ???????????? a) Water and air ????b) Temper ature ????c) Precipitation ????d)None of the above
???????????? 480 ???? ????Global atmospheric temper atures are likely to be increased due to (Answer : A)
???????? ???????? ???????????? a) Water pollution ????b) Burning of f ossil f uels ????c) Soil erosion ????d)None of the above
???????????? 481 ???? ????What is the maximum allowable concentr ation of fluorides in drinking water? (Answer : A)
???????? ???????? ???????????? a) 3.0 mg/L ????b) 2.5 mg/L ????c) 2.0 mg/L ????d)1.5mg/L
???????????? 482 ???? ????Domestic sewage is (Answer : A)
???????? ???????? ???????????? a) Waste water gener ated from kitchens and bathrooms ????b) Waste water from industries ????c)
Waste water from residential areas ????d)None of the above
???????????? 483 ???? ????The noise is measured in (Answer : A)
???????? ???????? ???????????? a) Decibels ????b) Joule ????c) ppm ????d)Celsius
???????????? 484 ???? ????The main impact of urbanization on plant and animal lif e is (Answer : A)
???????? ???????? ???????????? a) Increase in species ????b) Mutation in species ????c) Both (a) and (b) ????d)Loss of species
???????????? 485 ???? ????Smog is f ormed by the reaction of which air pollutants (Answer : A)
???????? ???????? ???????????? a) Smoke and Mist ????b) Smoke and Fog ????c) Smoke and Bio-Gas ????d)Smoke and Dust
???????????? 486 ???? ????Contribution of carbon dioxide to global warming from industries (Answer : A)
???????? ???????? ???????????? a) 0.5 ????b) 0.24 ????c) 0.25 ????d)0.75
???????????? 487 ???? ????Which of the f ollowing gas is not concern to green house ef f ect? (Answer : A)
???????? ???????? ???????????? a) C02 ????b) CH4 ????c) S02 ????d)Water Vapour
???????????? 488 ???? ????During green house ef f ect, carbon dioxide and water vapours absorbs (Answer : A)
???????? ???????? ???????????? a) Short wave r adiations ????b) Long wave r adiations ????c) Solar r adiation ????d)UV r adiations
???????????? 489 ???? ????Acid r ains are more prominent in (Answer : A)
???????? ???????? ???????????? a) Temper ate regions ????b) Tropical regions ????c) Arid regions ????d)Equally prominent in all
???????????? 490 ???? ????The important gaseous pollutants contributing to acid r ain are (Answer : A)
???????? ???????? ???????????? a) S02andNOx ????b) C02 and H2S ????c) NOxand03 ????d)None of the above
???????????? 491 ???? ????The ozone depletion in the str atosphere is chiefly caused by the release of (Answer : A)
???????? ???????? ???????????? a) Chlorofluoro carbons ????b) Carbon dioxide ????c) Methane ????d)None of the above
???????????? 492 ???? ????The highest value of Acid Rain Recorded was: (Answer : A)
???????? ???????? ???????????? a) 4.5 ????b) 5.7 ????c) 7.2 ????d)2
???????????? 493 ???? ????Movement of Nutrients from the soil by the Acid Rain is called: (Answer : A)
???????? ???????? ???????????? a) Infiltr ation ????b) Tr anspir ation ????c) Leaching ????d)Exfiltr ation
???????????? 494 ???? ????The term acid r ain was coined in the year (Answer : A)
???????? ???????? ???????????? a) 1952 ????b) 1852 ????c) 1652 ????d)1752
???????????? 495 ???? ????The ma jor contributors to the acid r ain are known as (Answer : A)
???????? ???????? ???????????? a) Precursors ????b) Processors ????c) Protons ????d)Pollutants
???????????? 496 ???? ????Primary cause of acid r ain around the world is due to (Answer : A)
???????? ???????? ???????????? a) Carbon dioxide ????b) suphur dioxide ????c) carbon monoxide ????d)Ozone
???????????? 497 ???? ????Ma jor compounds responsible f or the destruction of Ozone layer is (Answer : A)
???????? ???????? ???????????? a) Oxygen ????b) CFC ????c) CO2 ????d)CH4
???????????? 498 ???? ????Which of the f ollowing is the remedial measure f or acid r ain? (Answer : A)
???????? ???????? ???????????? a) Reducing the release of oxides of nitrogen and sulphur into the atmosphere ????b) Use of coal, free
from sulphur ????c) Use of electrostatic precipitator and catalytic converters ????d)All of the above
???????????? 499 ???? ????The pH of acid r ain is (Answer : A)
???????? ???????? ???????????? a) Less than 5.7 ????b) Less than 3.7 ????c) Less than 1.7 ????d)Less than 2.7
???????????? 500 ???? ????Acid r ain af f ects (Answer : A)
???????? ???????? ???????????? a) Materials ????b) Plants ????c) Soil ????d)All of the above
???????????? 501 ???? ????Ozone layer is measured in (Answer : A)
???????? ???????? ???????????? a) Centimeters ????b) Millimeters ????c) Decibels ????d)Dobson Units
???????????? 502 ???? ????Animal husbandry may result in (Answer : A)
???????? ???????? ???????????? a) Global warming ????b) Ozone depletion ????c) Genetic Damage ????d)None of the above
???????????? 503 ???? ????Freons are called (Answer : A)
???????? ???????? ???????????? a) Hydrocarbons ????b) Ozone ????c) Methane ????d)Solvents
???????????? 504 ???? ????Karnataka State Pollution Control Board was established in the year (Answer : A)
???????? ???????? ???????????? a) 1974 ????b) 1976 ????c) 1982 ????d)1986
???????????? 505 ???? ????Amount of CO2 content in atmospheric Air is normally (Answer : A)
???????? ???????? ???????????? a) 0.0021 ????b) 0.416% ????c) 0.318% ????d)0.428%
???????????? 506 ???? ????EPA means (Answer : A)
???????? ???????? ???????????? a) Environmental Prevention Act ????b) Environmental Protection Act ????c) Environmental Pollution Act
????d)Environmental Protection Agency
???????????? 507 ???? ????Which of the f ollowing is the authority to monitor state industrial ef fluents? (Answer : A)
???????? ???????? ???????????? a) Centre f or science and development ????b) State pollution control board ????c) Indian environmental
association ????d)None of these
???????????? 508 ???? ????Environmental education is targeted to (Answer : A)
???????? ???????? ???????????? a) Gener al public ????b) Technicians and scientists ????c) Prof essional social groups ????d)All of these
???????????? 509 ???? ????Environment Protection Act of 1986 is meant f or (Answer : A)
???????? ???????? ???????????? a) Waste management ????b) Desert management ????c) Forest management ????d)Protection of human
environment including human, plants, animals and property
???????????? 510 ???? ????World environment day is celebr ated on (Answer : A)
???????? ???????? ???????????? a) June 5th ????b) November 5th ????c) December 5th ????d)April 5th
???????????? 511 ???? ????The air prevention and control of pollution Act was enacted in the year (Answer : A)
???????? ???????? ???????????? a) 1987 ????b) 1974 ????c) 1981 ????d)1986
???????????? 512 ???? ????The first ma jor environmental protection law promulgated in India was (Answer : A)
???????? ???????? ???????????? a) Environmental Act ????b) Water Act ????c) Air Act ????d)None of these
???????????? 513 ???? ????Water Pollution, Prevention and Control Act was enacted in the year (Answer : A)
???????? ???????? ???????????? a) 1984 ????b) 1974 ????c) 1986 ????d)1994
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???????????? 12 ???? ????World Environment Day (Answer : A)
???????? ???????? ???????????? a) 5th June ????b) 5th July ????c) 5th August ????d)5th September
???????????? 13 ???? ????The biggest award f or environmental activities in India is given in the name of an individual. In whose
name is it constituted? (Answer : C)
???????? ???????? ???????????? a) Lal Bahadur Shasthri ????b) Mor ar ji Desai ????c) Indir a Gandhi ????d)Kamar a j.
???????????? 14 ???? ????All f orms of water that comes down on Earth, including r ain, snow, hail etc. is known as _____________
(Answer : C)
???????? ???????? ???????????? a) Calcification ????b) Fixation ????c) Precipitation ????d)Accumulation
???????????? 15 ???? ????The ocean covers ________ percentage of Earth?s surf ace. (Answer : C)
???????? ???????? ???????????? a) 515 ????b) 0.61 ????c) 0.71 ????d)0.91
???????????? 16 ???? ????The portion of the earth and its environment which can support lif e is known as _________ (Answer : B)
???????? ???????? ???????????? a) Crust ????b) Biosphere ????c) Exosphere ????d)Atmosphere
???????????? 17 ???? ????What is troposphere? (Answer : C)
???????? ???????? ???????????? a) Portion of air ????b) Portion of water ????c) Lowest layer of atmosphere where we survive
????d)Portion of sky
???????????? 18 ???? ????The main energy source f or the environment is ________ (Answer : A)
???????? ???????? ???????????? a) Solar energy ????b) Chemical energy ????c) Bioelectric energy ????d)Electrical energy
???????????? 19 ???? ????What is UNCED? (Answer : C)
???????? ???????? ???????????? a) United Nations Conf erence on Education ????b) United Nations Conf erence on Environmental Day
????c) United Nations Conf erence on Environment and Development ????d)None of these.
???????????? 20 ???? ????Atmospheric humidity is measured by (Answer : C)
???????? ???????? ???????????? a) Auxanometer ????b) Photometer ????c) Hygrometer ????d)None
???????????? 21 ???? ????The area to which a species is biologically adapted to live is known (Answer : B)
???????? ???????? ???????????? a) Niche ????b) Habitat ????c) Succession ????d)Community
???????????? 22 ???? ????Study of inter-relationship between organisms and their environment is called (Answer : A)
???????? ???????? ???????????? a) Ecology ????b) Ecosystem ????c) Phytogeogr aphy ????d)Ethology
???????????? 23 ???? ????The term Ecology was coined by (Answer : B)
???????? ???????? ???????????? a) A.G.Tansley ????b) Earnst Haeckel ????c) Aristotle ????d)Linnaeus
???????????? 24 ???? ????An example of an abiotic component (Answer : B)
???????? ???????? ???????????? a) Plants ????b) Soil ????c) Animals ????d)Bacteria
???????????? 25 ???? ????The area to which a species is biologically adapted to live is known (Answer : B)
???????? ???????? ???????????? a) Niche ????b) Habitat ????c) Succession ????d)Community
???????????? 26 ???? ????The objective of environmental education is (Answer : D)
???????? ???????? ???????????? a) Raise consciousness about environmental education ????b) T o teach environmentally appropriate
behaviour ????c) Create an environmental ethic that f osters awareness about ecological inter-dependence of economics,
social and political ????d)All of the above
???????????? 27 ???? ????Which of the f ollowing is not influenced by human activities? (Answer : A)
???????? ???????? ???????????? a) Depletion of ground water ????b) Destruction of mangroves and wetlands ????c) Increased extinction
r ate of species ????d)None of the above
???????????? 28 ???? ????Environmental education is important only at (Answer : D)
???????? ???????? ???????????? a) Primary school stage ????b) Secondary school stage ????c) Collage stage ????d)All stages
???????????? 29 ???? ????Which of the f ollowing conceptual components of the environment are ef f ective tr ansporters of
matter? (Answer : A)
???????? ???????? ???????????? a) Atmosphere and hydrosphere ????b) (b) Atmosphere and lithosphere ????c) (c) Hydrosphere and
lithosphere ????d)(d) Lithosphere and biosphere
???????????? 30 ???? ????Biosphere is (Answer : B)
???????? ???????? ???????????? a) (a) The solid shell of inorganic materials on the surf ace of the Earth ????b) (b) The thin shell of
organic matter on the surf ace of earth comprising of all the living things ????c) (c) The sphere which occupies the
maximum volume of all the spheres ????d)(d) All of the above
???????????? 31 ???? ????Which of the f ollowing conceptual sphere of the environment is having the least stor age capacity f or
matter? (Answer : A)
???????? ???????? ???????????? a) (a) Atmosphere ????b) (b) Lithosphere ????c) (c) Hydrosphere ????d)(d) Biosphere
???????????? 32 ???? ????Which of the f ollowing is an example of impact of development activities on the Hydrosphere? (Answer
: D)
???????? ???????? ???????????? a) (a) Air pollution ????b) (b) Soil pollution ????c) (c) Soil erosion ????d)(d) Water pollution
???????????? 33 ???? ????Weather occurs in the Earths: (Answer : A)
???????? ???????? ???????????? a) (a) Troposhere ????b) (b) Mesophere ????c) (c) Ionosphere ????d)(d) Thermosphere
???????????? 34 ???? ????Biosphere is a term used to represent the: (Answer : C)
???????? ???????? ???????????? a) (a) Entire atmosphere consisting of troposphere, str atosphere, mesosphere, and thermosphere
????b) (b) Entire hydrosphere-representing the entire collection of water over the Earth as well as inside the Earth ????c) (c)
A small zone of Earth, where the lithosphere, hydrosphere, and atmosphere come in contact with one another ????d)(d)
Entire lithosphere-representing the solid Earth and its interior
???????????? 35 ???? ????The term ecology was introduced by: (Answer : A)
???????? ???????? ???????????? a) (a) Haeckel ????b) (b) Odum ????c) (c) Tansely ????d)(d) Ramdeo Mishr a
???????????? 36 ???? ????The study of inter actions between living and non-living organisms and environment is called (Answer :
B)
???????? ???????? ???????????? a) (a) Ecosystem ????b) (b) Ecology ????c) (c) Phyto-geogr aphy ????d)(d) Phytosociology
???????????? 37 ???? ????An ecosystem consist of (Answer : D)
???????? ???????? ???????????? a) (a) Green plants and animals ????b) (b) Green plants and decomposers ????c) (c) Producers and
consumers ????d)(d) Green plants, animals, decomposers and abiotic environment
???????????? 38 ???? ????The environment which has been modified by human activities is called (Answer : B)
???????? ???????? ???????????? a) (a) Natur al environment ????b) (b) Anthropogenic environment ????c) (c) Modem environment ????d)(d)
Urban environment
???????????? 39 ???? ????Which of the f ollowing statements is not true? (Answer : C)
???????? ???????? ???????????? a) (a) Inorganic nutrients are recycled in an ecosystem ????b) (b) Energy flows through the ecosystem
in the f orm of C-C bonds ????c) (c) Energy is recycled in an ecosystem ????d)(d) Respir ation process releases energy
???????????? 40 ???? ????Driving f orce in an ecosystem is (Answer : C)
???????? ???????? ???????????? a) (a) Plants ????b) (b) Producers ????c) (c) Solar energy ????d)(d) Biomass energy
???????????? 41 ???? ????Physical and chemical components of an ecosystem constitute (Answer : C)
???????? ???????? ???????????? a) (a) Biotic structure ????b) (b) Abioltic structure ????c) (c) Both of these ????d)(d) None of these
???????????? 42 ???? ????Which one of the f ollowing is an abiotic component of the ecosystem? (Answer : C)
???????? ???????? ???????????? a) (a) Bacteria ????b) (b) Plants ????c) (c) Humus ????d)(d) Fungi
???????????? 43 ???? ????Which of the f ollowing is a possible producer in an ecosystem? (Answer : A)
???????? ???????? ???????????? a) (a) Plants ????b) (b) Animals ????c) (c) Human beings ????d)(d) Fish
???????????? 44 ???? ????The organisms which f eed on dead organisms and excreta of living organisms are known (Answer : A)
???????? ???????? ???????????? a) (a) Decomposers ????b) (b) Consumers ????c) (c) Producers ????d)(d) Carnivores
???????????? 45 ???? ????A trophic level ref ers to: (Answer : C)
???????? ???????? ???????????? a) (a) Area in the tropics ????b) (b) An organism?s portion in a f ood chain ????c) (c) An organism?s
position in an ecosystem ????d)(d) An organism?s position in a biome
???????????? 46 ???? ????In a f ood chain animals constitute the: (Answer : C)
???????? ???????? ???????????? a) (a) First trophic level ????b) (b) Second trophic level ????c) (c) Intermediate trophic level ????d)(d)
Ultimate trophic level
???????????? 47 ???? ????The f ood chain in which microorganisms breakdown dead producers is called: (Answer : D)
???????? ???????? ???????????? a) (a) Consumer f ood chain ????b) (b) Predator f ood chain ????c) (c) Par asitic f ood chain ????d)(d) Detritus
f ood chain
???????????? 48 ???? ????Food chain starts with (Answer : A)
???????? ???????? ???????????? a) (a) Producer ????b) (b) Herbivores ????c) (c) Carnivores ????d)(d) Omnivores
???????????? 49 ???? ????In a f ood chain, humans are (Answer : D)
???????? ???????? ???????????? a) (a) Secondary consumers ????b) (b) Primary consumer ????c) (c) Producers ????d)(d) Primary and
secondary consumers both
???????????? 50 ???? ????Which one is the correct f ood chain? (Answer : A)
???????? ???????? ???????????? a) (a) Phytoplankton ?? Zooplankton ?? Fish ????b) (b) Zooplankton ?? Phytoplankton ?? Fish ????c)
(c) Zooplankton ?? Protozoans ?? Fish ????d)(d) Gr ass ?? Fish ?? Zooplankton
???????????? 51 ???? ????A f ood web consists of (Answer : A)
???????? ???????? ???????????? a) (a) Interlocking f ood chains ????b) (b) Producers, consumers and decomposers ????c) (c) A portion of
a f ood chain ????d)(d) A set of similar consumers
???????????? 52 ???? ????Food webs are (Answer : C)
???????? ???????? ???????????? a) (a) One kind of f ood ????b) (b) Not related to f ood chains at all ????c) (c) Inter-connected arr angement
of f ood chains ????d)(d) Linear arr angement of f ood chains
???????????? 53 ???? ????Pyr amid of number is given by (Answer : C)
???????? ???????? ???????????? a) (a) Haeckel ????b) (b) Odum ????c) (c) Elton ????d)(d) Tansely
???????????? 54 ???? ????Which ecological pyr amid is always upright? (Answer : C)
???????? ???????? ???????????? a) (a) Pyr amid of number ????b) (b) Pyr amid of biomass ????c) (c) Pyr amid of energy ????d)(d) Pyr amid of
number and biomass
???????????? 55 ???? ????An ecological pyr amid ref ers to the (Answer : D)
???????? ???????? ???????????? a) (a) Pyr amid of energy ????b) (b) Pyr amid of number ????c) (c) Pyr amid of biomass ????d)(d) All of the
above
???????????? 56 ???? ????An ecosystem may not undergo changes because: (Answer : A)
???????? ???????? ???????????? a) (a) It is in a state of homeostasis ????b) (b) It has plants and animals both ????c) (c) It gets solar
energy continuously ????d)(d) The decomposers are present in it
???????????? 57 ???? ????Energy flow in an ecosystem is always: (Answer : A)
???????? ???????? ???????????? a) (a) Unidirectional ????b) (b) Cyclic ????c) (c) Reversible ????d)(d) Multi-directional
???????????? 58 ???? ????The primary producers in a f orest ecosystem are: (Answer : A)
???????? ???????? ???????????? a) (a) Chlorophyll containing trees and plants ????b) (b) Herbivores ????c) (c) Carnivores ????d)(d) Bacteria
and other micro-organism
???????????? 59 ???? ????The desert among the f ollowing which is not a cold desert is: (Answer : D)
???????? ???????? ???????????? a) (a) Golbi desert ????b) (b) Patagonian desert ????c) (c) Atacama desert ????d)(d) Ma java desert
???????????? 60 ???? ????The darker zone in lakes where light penetr ation is negligible is called the: (Answer : D)
???????? ???????? ???????????? a) (a) Euphotic zone ????b) (b) Littor al zone ????c) (c) Limnetic zone ????d)(d) Benthic zone
???????????? 61 ???? ????The zone of a sea lying over the continental shelf is known as the: (Answer : B)
???????? ???????? ???????????? a) (a) Bathyl zone ????b) (b) Neritic zone ????c) (c) Abyssal zone ????d)(d) Littor al zone
???????????? 62 ???? ????Which one of the f ollowing is not a fresh water biome? (Answer : A)
???????? ???????? ???????????? a) (a) Lotic ????b) (b) Lentic ????c) (c) Spings ????d)(d) Deep sea
???????????? 63 ???? ????Tendency of pollutants to become concentr ated in successive trophic levels is known as: (Answer : A)
???????? ???????? ???????????? a) (a) Biomagnification ????b) (b) Biorhythm ????c) (c) Bioremediation ????d)(d) Biopir acy
???????????? 64 ???? ????Eutrophication is: (Answer : B)
???????? ???????? ???????????? a) (a) An improved water quality status of lakes ????b) (b) The result of accumulation of plant nutrients
in water bodies ????c) (c) A process in the carbon cycle ????d)(d) A water purification technique
???????????? 65 ???? ????Increase in f auna and decrease in flor a would be harmf ul due to increase in: (Answer : B)
???????? ???????? ???????????? a) (a) Diseases ????b) (b) CO ????c) (c) O2 ????d)(d) Radioactive pollution
???????????? 66 ???? ????The largest reservoir of nitrogen an our planet is: (Answer : B)
???????? ???????? ???????????? a) (a) Ocean ????b) (b) Atmosphere ????c) (c) Biosphere ????d)(d) Fossil f uels
???????????? 67 ???? ????Overgr azing results in: (Answer : A)
???????? ???????? ???????????? a) (a) Soil erosion ????b) (b) Retention of usef ul species ????c) (c) Productive soils ????d)(d) All of the
above
???????????? 68 ???? ????In the world, the economy of the India is: (Answer : D)
???????? ???????? ???????????? a) (a) Largest ????b) (b) Third largest ????c) (c) Second largest ????d)(d) Fourth largest
???????????? 69 ???? ????In services output, India is: (Answer : C)
???????? ???????? ???????????? a) 10 ????b) 12 ????c) 15 ????d)4
???????????? 70 ???? ?????Smog? is a mixture of (Answer : A)
???????? ???????? ???????????? a) a) Smoke and Fog ????b) (b) Snow and Fog ????c) ( c) Snow and Dust ????d)(d) Sulphur Dioxide and
Fog
???????????? 71 ???? ????A liquid f uel that was f ormed from the ancient remains of sea plants and animals is (Answer : B)
???????? ???????? ???????????? a) Natur al gasb ????b) Petroleumc ????c) Geothermal energyd ????d)Coal
???????????? 72 ???? ????A poisonous gas given out of vehicles exhaust is (Answer : A)
a) Carbon monoxideb ????b) Ethanec ????c) Methaned ????d)Carbon dioxide
???????????? 73 ???? ????A product of photosynthesis is (Answer : C)
???????? ???????? ???????????? a) Carbon dioxideb ????b) Waterc ????c) Oxygend ????d)Chlorophyll
???????????? 74 ???? ????Atmosphere consists of 79 percent Nitrogen and 21 percent Oxygen by (Answer : B)
???????? ???????? ???????????? a) Volumeb ????b) Weightc ????c) Densityd ????d)All of these
???????????? 75 ???? ????Biogas contains mainly (Answer : B)
???????? ???????? ???????????? a) Carbon dioxideb ????b) Methanec ????c) Butaned ????d)Propane
???????????? 76 ???? ????Carbon dioxide constitutes about 0.03% of the atmosphere (Answer : A)
???????? ???????? ???????????? a) By volume(b ????b) By weight(c ????c) By mass(d ????d)None of these
???????????? 77 ???? ????Development activities on the hydrosphere cause (Answer : C)
???????? ???????? ???????????? a) Air pollutionb ????b) Soil pollutionc ????c) Water pollutiond ????d)Soil erosion
???????????? 78 ???? ????Energy flow in an ecosystem is (Answer : C)
???????? ???????? ???????????? a) Bidirectionalb ????b) Unidirectionalc ????c) Multidirectionald ????d)All rounds
???????????? 79 ???? ????Energy from the heat inside the earth is (Answer : B)
???????? ???????? ???????????? a) a Natur al gas ????b) Geothermalc ????c) Petroleumd ????d)Terr athermal
???????????? 80 ???? ????Energy in the r ays from the sun is called (Answer : A)
???????? ???????? ???????????? a) Solar energyb ????b) Wind energyc ????c) Tidal energyd ????d)Water energy
???????????? 81 ???? ????Environment is the lif e support system that includes (Answer : D)
???????? ???????? ???????????? a) Airb ????b) Waterc ????c) Landd ????d)All of the above
???????????? 82 ???? ????Extensive planting of trees to increase cover is called (Answer : A)
???????? ???????? ???????????? a) Af f orestation(b ????b) Agrof orestation(c ????c) Def orestation(d ????d)Social f orestry
???????????? 83 ???? ????Extensive planting of trees to increase f orest cover is called (Answer : A)
???????? ???????? ???????????? a) Af f orestation, b ????b) Agrof orestry, c ????c) Def orestation, d ????d)Social f orestry
???????????? 84 ???? ????Forest and wild lif e are (Answer : A)
???????? ???????? ???????????? a) Renewable resource(b ????b) Non-renewable resources (c ????c) Inexhaustible resources (d ????d)None
of these
???????????? 85 ???? ????Forests prevent soil erosion by binding soil particles in their (Answer : B)
???????? ???????? ???????????? a) Leaves(b ????b) Roots(c ????c) Buds(d ????d)Stems
???????????? 86 ???? ????Formation of hole in Ozone is maximum over (Answer : C)
???????? ???????? ???????????? a) Indiab ????b) Europec ????c) Antarcticad ????d)Africa
???????????? 87 ???? ????Fossil f uel and metallic miner als are: (Answer : C)
???????? ???????? ???????????? a) Renewable resource (b ????b) Inexhaustible resources (c ????c) Non-renewable resources (d ????d)None
of these
???????????? 88 ???? ????Green house ef f ect is linked to (Answer : C)
???????? ???????? ???????????? a) Nitrogen oxidesb ????b) Sulphur dioxidesc ????c) Carbon dioxidesd ????d)Carbon monoxides
???????????? 89 ???? ????In our country the percentage of land under f orest is about: (Answer : B)
???????? ???????? ???????????? a) 20%(b ????b) 19%(c ????c) 25%(d ????d)30%
???????????? 90 ???? ????In respect of water crisis, there have been conflicts/disputes between two countries, or states of the
same country. Which of the f ollowing has never been the case of water conflict? (Answer : D)
???????? ???????? ???????????? a) Cauvery water dispute between Tamil Nadu and Karnataka (b ????b) Yamuna-Betwa dispute between
U.P. and M.P. (c ????c) Sutlej Yamuna Link (SYL ????d)canal dispute between Pun jab and Haryana (d
???????????? 91 ???? ????Instrumentation technology used to locate suitable places f or mining (Answer : C)
???????? ???????? ???????????? a) a) Microscope ????b) b) Salinometer ????c) c) GIS ????d)d) camer a tr ap
???????????? 92 ???? ????Kaveri water dispute is in between: (Answer : D)
???????? ???????? ???????????? a) India and Pakistan (b ????b) Pun jab and Haryana (c ????c) Uttar Pr adesh and Madhya Pr adesh (d
????d)Karnataka and Tamil Nadu
???????????? 93 ???? ????Khetri (Ra jasthan) is f amous f or: (Answer : B)
???????? ???????? ???????????? a) Coal mines(b ????b) Copper mines(c ????c) Gr anite stone(d ????d)Marble stone
???????????? 94 ???? ????Main source of acid r ain is (Answer : A)
???????? ???????? ???????????? a) Sulphur dioxideb ????b) Nitrogenc ????c) Carbon dioxided ????d)Carbon monoxide
???????????? 95 ???? ????Ma jor consumer of wood from f orest is ___________ (Answer : B)
???????? ???????? ???????????? a) Thermal Power Plant ????b) Paper Industry ????c) Chemistry Industry ????d)none
???????????? 96 ???? ????Moisture in the air is known as (Answer : D)
???????? ???????? ???????????? a) a) Water ????b) (b) Fog ????c) ( c) Snow ????d)(d) Humidity
???????????? 97 ???? ????Name the country which virtually closed cod fishery in the 1990?s due to depletion of fish reserves
(Answer : A)
???????? ???????? ???????????? a) a) Canada ????b) b) Argentina ????c) c) Italy ????d)d) India
???????????? 98 ???? ????Name the financial agency which hesistate to support the Sardar Sarovar Pro ject in India in 1993 a result
of the demands of local people threatened with the loss of their livelihoods and homes in the submergence area.
(Answer : B)
???????? ???????? ???????????? a) a) Swiss bank ????b) b) World Bank ????c) c) Bank of India ????d)d) International Monetary Fund
???????????? 99 ???? ????Nitrogen constitutes about 78% of the atmosphere (Answer : C)
???????? ???????? ???????????? a) By weight(b ????b) By mass(c ????c) By volume(d ????d)None of these
???????????? 100 ???? ????Noise is measured by sound meter and the unit is (Answer : C)
???????? ???????? ???????????? a) Hertzb ????b) Joulec ????c) Decibeld ????d)Seconds
???????????? 101 ???? ????One of India?s serious environmental problems is f orest degr adation. What is the main cause of f orest
degr adation? (Answer : A)
???????? ???????? ???????????? a) timber extr action ????b) honey extr action ????c) high altitude ????d)Low Rainf all
???????????? 102 ???? ????Ozone day is observed on (Answer : B)
???????? ???????? ???????????? a) 3rd Januaryb ????b) 16th Septemberc ????c) 10th Novemberd ????d)26th March
???????????? 103 ???? ????Ozone Umbrella is located in which layer of atmosphere (Answer : B)
???????? ???????? ???????????? a) a) Troposphere ????b) (b) Str atosphere ????c) (c) Mesosphere ????d)(d) Ionosphere
???????????? 104 ???? ????Peeling of Ozone umbrella, which protects us from UV r ays, is caused by (Answer : B)
???????? ???????? ???????????? a) Carbon monoxideb ????b) CFCsc ????c) Coal burningd ????d)Methane
???????????? 105 ???? ????Soil erosion removes surf ace soil which contains (Answer : A)
???????? ???????? ???????????? a) Organic matterb ????b) Plant nutrientsc ????c) Both a and bd ????d)none of the above
???????????? 106 ???? ????Sustainable development means (Answer : C)
???????? ???????? ???????????? a) a. meeting present needs without compromising on f uture needs ????b) b. progress of human beings
????c) c. balance between human needs and the ability of earth to provide the resources ????d)d. all of the above
???????????? 107 ???? ????The adverse ef f ect of modern agriculture is (Answer : B)
???????? ???????? ???????????? a) Water pollutionb ????b) Soil degr adationc ????c) Water loggingd ????d)All of the above
???????????? 108 ???? ????The f ossil f uel that is derived from the dead remains of plants that grew some 250 million years ago is
(Answer : C)
???????? ???????? ???????????? a) Petroleumb ????b) Natur al gasc ????c) Coald ????d)LPG
???????????? 109 ???? ????The impact of construction of dams (Answer : D)
???????? ???????? ???????????? a) Submerged f orest b ????b) Loss of wild lif e habitat c ????c) Damages downstream ecosystem d ????d)All
of the above
???????????? 110 ???? ????The ma jor cause f or land degr adation in our country is (Answer : A)
???????? ???????? ???????????? a) Soil erosion(b ????b) Pollution of soil(c ????c) Water-logging(d ????d)None of the above
???????????? 111 ???? ????The ma jor reason f or floods in the rivers Ganges and Br ahmaputr a is ________ (Answer : B)
???????? ???????? ???????????? a) a) Dams in Himalayas ????b) b) Def orestation in Himalayas ????c) c) Heavy r ains ????d)d) Melting of ice
???????????? 112 ???? ????The method of r ainwater harvesting which can be adopted by individual house owners is (Answer : D)
???????? ???????? ???????????? a) Construction of recharge trenches (b ????b) On channel stor age of water (c ????c) Creation of new
water bodies (d ????d)Roof-top r ainwater harvesting
???????????? 113 ???? ????The percentage of total world?s precipitation, which is lost to the atmosphere through evapor ation,
approximates to: (Answer : A)
???????? ???????? ???????????? a) 57%(b ????b) 7%(c ????c) 37%(d ????d)43%
???????????? 114 ???? ????The process of restoring f orests that once existed but was removed at some time in the past is known
as (Answer : B)
???????? ???????? ???????????? a) Af f orestationb ????b) Ref orestationc ????c) Def orestationd ????d)None of these
???????????? 115 ???? ????The share of Hydropower (Hydel pro jects) in worlds commercial electricity production is less than ________
(Answer : D)
???????? ???????? ???????????? a) 2.00% ????b) 4.00% ????c) 12.00% ????d)20.00%
???????????? 116 ???? ????The species restricted to be present in one region are called (Answer : B)
???????? ???????? ???????????? a) Edge speciesb ????b) Endemic species c ????c) Endangered species d ????d)Keystone species
???????????? 117 ???? ????The teeth are likely to be pitted, more susceptible to cavities and wear, when the fluoride concentr ation
is: (Answer : D)
???????? ???????? ???????????? a) More than 2 mg/1 (b ????b) More than 40 mg/1 (c ????c) More than 20 mg/1 (d ????d)More than 4 mg/1
???????????? 118 ???? ????The term ?Environment? has been derived from the French word which means to encircle or surround
(Answer : A)
???????? ???????? ???????????? a) Environb ????b) Oikosc ????c) Geod ????d)Aqua
???????????? 119 ???? ????Wetlands in the flood plains of rivers are also considered as nature?s ________ (Answer : C)
???????? ???????? ???????????? a) a) Heat sink ????b) b) carbon sink ????c) c) flood control systems ????d)d) swimming pool
???????????? 120 ???? ????What are rodenticides? (Answer : C)
???????? ???????? ???????????? a) that kill fishes ????b) that kill insects ????c) that kill r ats ????d)that kill crocos
???????????? 121 ???? ????What is Kyoto Protocol? (Answer : A)
???????? ???????? ???????????? a) a. It is an agreement among countries to take steps f or reducing global warming. ????b) b. It is an
agreement among countries to take steps f or reducing acid r ain. ????c) c. It is an agreement among countries to take steps
f or planting trees to control pollution. ????d)d. It is an agreement among countries to start using nuclear energy.
???????????? 122 ???? ????What is the ma jor limiting f actor in the arid areas of our country? (Answer : C)
???????? ???????? ???????????? a) a) Money ????b) b) f orests ????c) c) water ????d)d) soil
???????????? 123 ???? ????What kind of people are the most ill-af f ected by the construction of dams? (Answer : D)
???????? ???????? ???????????? a) a) Urban dwellers ????b) b) beach dwellers ????c) c) tourists ????d)d) tribal people
???????????? 124 ???? ????When fluoride concentr ation in H2O exceeds about 1.5 mg/1, the disease that may be caused, is
(Answer : B)
???????? ???????? ???????????? a) Dental caries in children(b ????b) Fluorosis(c ????c) Polymyelitis(d ????d)Methemoglobinemia
???????????? 125 ???? ????Which among the f ollowing is a sedimentary type of cycle? (Answer : A)
???????? ???????? ???????????? a) Sulphur cycle(b ????b) Nitrogen cycle(c ????c) Oxygen cycle(d ????d)Carbon cycle
???????????? 126 ???? ????Which gas is responsible f or ozone layer depletion around earth? (Answer : B)
???????? ???????? ???????????? a) Carbon dioxideb ????b) Chlorofluorocarbonsc ????c) Oxygend ????d)Nitrogen oxide
???????????? 127 ???? ????Which gas is responsible f or the global warming? (Answer : B)
???????? ???????? ???????????? a) Nitrogenb ????b) Carbon dioxidec ????c) Noble gasesd ????d)Hydrogen
???????????? 128 ???? ????Which is a list of renewable resources? (Answer : D)
???????? ???????? ???????????? a) Petroleum, geothermal, wind b ????b) Biomass, geothermal, hydropower c ????c) Natur al gas, wind,
biomass d ????d)Hydropower, solar, wind energy
???????????? 129 ???? ????Which is the only country who has not r atified the Kyoto Protocol yet? (Answer : A)
???????? ???????? ???????????? a) United States ????b) Austr alia ????c) Japan ????d)India
???????????? 130 ???? ????Which of below items is the ma jor sector which extr acts most of fresh water available f or utilization?
(Answer : D)
???????? ???????? ???????????? a) domestic use ????b) drinking water ????c) bever age industry ????d)agriculture
???????????? 131 ???? ????Which of the f ollowing are consequences of ozone depletion (Answer : A)
???????? ???????? ???????????? a) Skin cancer and catar actb ????b) Reduced growth in plants c ????c) Shortening of zooplanktons and
their breeding period d ????d)All of the above
???????????? 132 ???? ????Which of the f ollowing are ma jor environmental issues involved in mining? (Answer : D)
???????? ???????? ???????????? a) air pollutionb ????b) water pollutionc ????c) soil degr adationd ????d)all of the above
???????????? 133 ???? ????Which of the f ollowing ef f ect is responsible f or Global Warming? (Answer : A)
???????? ???????? ???????????? a) Green house ef f ectb ????b) Radioactive ef f ectc ????c) Solar ef f ectd ????d)Nuclear ef f ect
???????????? 134 ???? ????Which of the f ollowing is management option f or air pollution? (Answer : D)
???????? ???????? ???????????? a) Regulations and standardsb ????b) Tr ansport planningc ????c) Using CNG as f ueld ????d)All of these
???????????? 135 ???? ????Which of the f ollowing is not a method f or water conservation? (Answer : B)
???????? ???????? ???????????? a) Rainwater harvesting(b ????b) Groundwater extr action (c ????c) Improving irrigation ef ficiency (d
????d)Avoiding water wastage
???????????? 136 ???? ????Which of the f ollowing is not a viable protection against def orestation? (Answer : C)
???????? ???????? ???????????? a) Reduce the consumption of f orest and related products (b ????b) Boycott products of companies
involve in def orestation (c ????c) Privatisation of f orest land (d ????d)Environmental education
???????????? 137 ???? ????Which of the f ollowing is not influenced by human activities? (Answer : D)
???????? ???????? ???????????? a) Destruction of mangroves and wetlands b ????b) Depletion of ground water c ????c) Increased
extinction r ate of species d ????d)None of the above
???????????? 138 ???? ????Which of the f ollowing is not true about def orestation? (Answer : C)
???????? ???????? ???????????? a) Population explosion is one of the reasons f or def orestation (b ????b) Cleaning of f orest f or
agriculture causes def orestation. (c ????c) Def orestation is taking place only in developing courtiers. (d ????d)Cash crop
economy of third world is a cause of def orestation.
???????????? 139 ???? ????Which of the f ollowing is responsible f or desertification? (Answer : D)
???????? ???????? ???????????? a) Def orestation(b ????b) Mining(c ????c) Overgr azing(d ????d)All of the above
???????????? 140 ???? ????Which of the f ollowing statements about the f orest is not correct? (Answer : D)
???????? ???????? ???????????? a) Forest reduces soil erosion (b ????b) Provides recreational opportunities (c ????c) Provides economic
development (d ????d)None of the above
???????????? 141 ???? ????Which of these is not a f ossil f uel? (Answer : D)
???????? ???????? ???????????? a) Coalb ????b) Oilc ????c) Natur al gasd ????d)Ur anium
???????????? 142 ???? ????Which one of the f ollowing is not an ideal solution f or tackling water shortages? (Answer : D)
???????? ???????? ???????????? a) Controlling population growth (b ????b) Conserving water in irrigation (c ????c) Controlling water
pollution (d ????d)Drilling large number of deep bore wells
???????????? 143 ???? ????Which one of the f ollowing regions in India is a hotspot of biodiversity? (Answer : B)
???????? ???????? ???????????? a) Sundarbansb ????b) Western Ghatsc ????c) Eastern Ghatsd ????d)Gangetic plains
???????????? 144 ???? ????World environment day is on: (Answer : B)
???????? ???????? ???????????? a) 5th Mayb ????b) 5th Junec ????c) 18th Julyd ????d)16th August
???????????? 145 ???? ????World Forest day is celebr ated on (Answer : A)
???????? ???????? ???????????? a) 21st March b ????b) 5th June c ????c) 1st Dec d ????d)7th June
???????????? 146 ???? ????Yellowing of Ta j Mahal is an ef f ect of (Answer : A)
???????? ???????? ???????????? a) Acid r ainb ????b) Global warmingc ????c) Ozone depletiond ????d)All of the above
???????????? 147 ???? ????Green Revolution in India was initiated by __________ (Answer : A)
???????? ???????? ???????????? a) M.S. Swaminathan ????b) Sunderlal Bahuguna ????c) Kurien ????d)Medha Patkar
???????????? 148 ???? ????Who wrote the book Violence of Green Revolution (Answer : A)
???????? ???????? ???????????? a) Vandana Siva ????b) Sheela Dikshit ????c) Menaka Gandhi ????d)Arundhathi Roy.
???????????? 149 ???? ????World Forest day is celebr ated on (Answer : A)
???????? ???????? ???????????? a) 21st March ????b) 5th June ????c) 1st Dec ????d)7th June
???????????? 150 ???? ????The Chipko movement is started by (Answer : B)
???????? ???????? ???????????? a) Engler ????b) Sunderlal Bahuguna ????c) Medha Padkar ????d)None of these
???????????? 151 ???? ????Green revolution is associated with _________ (Answer : B)
???????? ???????? ???????????? a) sericulture ????b) Agriculture ????c) Fish culture ????d)silviculture
???????????? 152 ???? ????Which gas is likely to be reduced in the atmosphere by def orestation? (Answer : C)
???????? ???????? ???????????? a) Carbon dioxide ????b) Nitrogen ????c) Oxygen ????d)Sulphur dioxide
???????????? 153 ???? ????Extensive planting of trees to increase f orest cover is called (Answer : A)
???????? ???????? ???????????? a) Af f orestation ????b) Agrof orestry ????c) Def orestation ????d)Social f orestry
???????????? 154 ???? ????Soil erosion can be prevented by (Answer : B)
???????? ???????? ???????????? a) Def orestation ????b) Af f orestation ????c) Overgr azing ????d)Removal of vegetation
???????????? 155 ???? ????The components of LPG are _____________ (Answer : B)
???????? ???????? ???????????? a) Methane & Hexane ????b) Propane & Butane ????c) Ethane & Methane ????d)Propane & Ethane
???????????? 156 ???? ????Which of the f ollowing is the most responsible f or world water crisis? (Answer : C)
???????? ???????? ???????????? a) Dams ????b) Floods ????c) Drought ????d)Population growth
???????????? 157 ???? ????The resources that can be replaced by natur al ecological cycle is called (Answer : A)
???????? ???????? ???????????? a) Renewable ????b) Non-renewable ????c) exhaustible ????d)natur al
???????????? 158 ???? ????The amount of solar r adiation reaching the surf ace of the earth is called (Answer : A)
???????? ???????? ???????????? a) Solar flux ????b) reflected light ????c) miner als ????d)solvents
???????????? 159 ???? ????The most harmf ul of ultr aviolet r adiations are (Answer : A)
???????? ???????? ???????????? a) UV-C ????b) UV-B ????c) UV-A ????d)All the above
???????????? 160 ???? ????A renewable source of energy is (Answer : D)
???????? ???????? ???????????? a) Petroleum ????b) Coal ????c) Nuclear f uel ????d)Trees
???????????? 161 ???? ????The capacity to do work is termed as (Answer : D)
???????? ???????? ???????????? a) Power ????b) Force ????c) Strength ????d)Energy
???????????? 162 ???? ????The unit of total water content of the soil is known as (Answer : A)
???????? ???????? ???????????? a) Holard ????b) Chr aserd ????c) Echard ????d)All of the above
???????????? 163 ???? ????Pedology? (Answer : C)
???????? ???????? ???????????? a) Study of water ????b) Study of air ????c) Study of soil ????d)none
???????????? 164 ???? ????What is def orestation? (Answer : B)
???????? ???????? ???????????? a) Product of f orest ????b) Destruction of f orest ????c) Forest Protection ????d)none
???????????? 165 ???? ????Def orestation gener ally decreases (Answer : D)
???????? ???????? ???????????? a) Global Warming ????b) Drought ????c) Soil erosion ????d)Rainf all
???????????? 166 ???? ????Which among the f ollowing result in the f ormation of soil? (Answer : B)
???????? ???????? ???????????? a) Radiation ????b) Weathering ????c) Erosion ????d)Pollution
???????????? 167 ???? ????Mulching helps in (Answer : B)
???????? ???????? ???????????? a) soil f ertility ????b) moisture conservation ????c) improvements soil structure ????d)soil sterility
???????????? 168 ???? ????........................ is an example of ?bottom f eeders?. (Answer : A)
???????? ???????? ???????????? a) Cat fish ????b) Frog ????c) Snake ????d)Tadpole ????e)
???????????? 169 ???? ????..................... trees shed their leaves during winter and hot summer. (Answer : C)
???????? ???????? ???????????? a) (a) ever green ????b) b) conif erous ????c) c) deciduous ????d)d) Shola
???????????? 170 ???? ????...................... is a cold desert in India (Answer : B)
???????? ???????? ???????????? a) Thar ????b) Ladakh ????c) Ran of Kutch ????d)Bhopal
???????????? 171 ???? ????A lake ecosystem f unctions as a (Answer : A)
???????? ???????? ???????????? a) Ter ai ????b) Shola gr asslands ????c) Semi arid plains ????d)Himalayan pastures
???????????? 172 ???? ????An example of nitrogen fixing bacteria in the soil (Answer : C)
???????? ???????? ???????????? a) Rhizobium ????b) Nostoc ????c) Azotobacter ????d)Nitrobacter
???????????? 173 ???? ????An example of one way ecological cycle is (Answer : C)
???????? ???????? ???????????? a) carbon dioxide cycle ????b) water cycle ????c) energy cycle ????d)oxygen cycle
???????????? 174 ???? ????Br ackish water ecosystems in river deltas are among (Answer : B)
???????? ???????? ???????????? a) Least productive ecosystems ????b) Most productive in terms of biomass production ????c) c)
Unproductive d) Stagnant ecosystems ????d)
???????????? 175 ???? ????Ecology is (Answer : C)
???????? ???????? ???????????? a) The science that studies the evolution of lif e, ????b) b) Integr ates both social and natur al sciences to
help us understand how the earth works, ????c) c) The study of the relationships between organisms and their
environment ????d)d) The study of the environment in the absence of humans
???????????? 176 ???? ????Forests grow in high r ain f all areas are (Answer : A)
???????? ???????? ???????????? a) (a) ever green f orests ????b) b) temper ate f orests ????c) c) conif ers ????d)d) Tundr a
???????????? 177 ???? ????Fungi is a (Answer : D)
???????? ???????? ???????????? a) Macroconsumer ????b) Producer ????c) Carnivore d ????d)Microconsumer
???????????? 178 ???? ????Nitrogen fixing blue green alga (Answer : C)
???????? ???????? ???????????? a) Clostridium ????b) Rhizobium ????c) Nostoc ????d)Nitrosomonas
???????????? 179 ???? ????Nitrogen gas returns to the atmosphere by the action of (Answer : B)
???????? ???????? ???????????? a) Nitrogen fixing bacteria ????b) Denitrif ying bacteria ????c) Nitrif ying bacteria ????d)Nitr ate f ertilizers
???????????? 180 ???? ????Patches of tall gr asslands interspersed with Sal f orest ecosystem is (Answer : A)
???????? ???????? ???????????? a) ????b) ????c) ????d)
???????????? 181 ???? ????Ramsar Convention ref ers to the conservation of ____________ (Answer : B)
???????? ???????? ???????????? a) (a) Deserts ????b) b) Wetlands ????c) c) Agriculture lands, ????d)d) Forest land
???????????? 182 ???? ????Some species whose removal can af f ect the survival of an ecosystem are called (Answer : B)
???????? ???????? ???????????? a) ????b) b) Keystone species ????c) c) Producers ????d)d) Carnivores
???????????? 183 ???? ????Sunderbans is home to (Answer : B)
???????? ???????? ???????????? a) Giant permanent pond ????b) Tempor ary aquatic system ????c) Simplest aquatic ecosystem ????d)Water
tank
???????????? 184 ???? ????The conversion of ammonia to nitr ate is known as ________ (Answer : B)
???????? ???????? ???????????? a) (a) ammonification ????b) b) nitrification ????c) c) denitrification ????d)d) all of these
???????????? 185 ???? ????The f orests which occur in law r ain f all area is (Answer : B)
???????? ???????? ???????????? a) (a) Evergreen f orests ????b) b) deciduous f orests ????c) c) Conif erous f orest ????d)d) All the above.
???????????? 186 ???? ????The inherent ability of organisms to reproduce and multiply is called, (Answer : B)
???????? ???????? ???????????? a) C value ????b) b) biotic potential ????c) c) carrying capacity ????d)d) K value
???????????? 187 ???? ????The largest br ackish water lake situated in Asia is in Orissa. Which is the lake? (Answer : A)
???????? ???????? ???????????? a) (a) Chilka lake ????b) b) Vembanad lake ????c) c) Woolar lake ????d)d) Dal lake
???????????? 188 ???? ????The Little Rann of Kutch is home to (Answer : D)
???????? ???????? ???????????? a) Horse ????b) b) Great Indian Bustard ????c) c) Lion ????d)d) Wild Ass
???????????? 189 ???? ????The presence of which is necessary f or photosynthesis (Answer : B)
???????? ???????? ???????????? a) (a) Chlorof orm ????b) b) Chlorophyll ????c) c) Phosphorus ????d)d) Polymer
???????????? 190 ???? ????The process through which ecosystems tend to change after a period of time is called (Answer : A)
???????? ???????? ???????????? a) ????b) ????c) ????d)
???????????? 191 ???? ????The species that flower are called (Answer : C)
???????? ???????? ???????????? a) (a) gymnosperms ????b) b) bryophytes ????c) c) angiosperms ????d)d) algae
???????????? 192 ???? ????The term ?Eco? implies (Answer : A)
???????? ???????? ???????????? a) Environment ????b) Ecotone ????c) Ecotourism ????d)Soil
???????????? 193 ???? ????The term ?Ecology? was coined by (Answer : B)
???????? ???????? ???????????? a) A.G.Tansley ????b) Earnst Haeckel ????c) Aristotle ????d)Linnaeus
???????????? 194 ???? ????The word Biophilia was coined by (Answer : D)
???????? ???????? ???????????? a) Dr. Hackel ????b) Dr.Johanssen ????c) Dr. Ben jamine ????d)E. O. Wilson
???????????? 195 ???? ????What is Dendrology? (Answer : C)
???????? ???????? ???????????? a) Study of Plants ????b) Study of Butterflies ????c) Study of Trees ????d)None of these
???????????? 196 ???? ????What is edge species? (Answer : A)
???????? ???????? ???????????? a) The species which occur abundantly in the ecotone ????b) b) Species on the verge of extinction ????c)
c) Rare species ????d)d) Endemic species
???????????? 197 ???? ????What is symbiosis? (Answer : C)
???????? ???????? ???????????? a) Study of distribution of related species ????b) b) Association between members of same species
????c) c) Association between members of two species ????d)d) None
???????????? 198 ???? ????When number of f ood chains is interlocked this is called (Answer : C)
???????? ???????? ???????????? a) f ood link ????b) f ood chain ????c) f ood web ????d)pyr amid
???????????? 199 ???? ????Which is an example f or sedimentary biogeochemical cycle (Answer : D)
???????? ???????? ???????????? a) Oxygen cycle ????b) Nitrogen cycle ????c) Water cycle ????d)Phosphorus cycle
???????????? 200 ???? ????Which is the second largest in species richness? (Answer : C)
???????? ???????? ???????????? a) Desert ????b) b) Tundr a ????c) c) Cor al reefs ????d)d) Flowing water
???????????? 201 ???? ????Gr assland of USA is ref erred to as (Answer : A)
???????? ???????? ???????????? a) Pr airies ????b) Steppes ????c) Pampas ????d)Veldts
???????????? 202 ???? ????The complex network of interconnected f ood chains is called ___________ (Answer : B)
???????? ???????? ???????????? a) Trophic level ????b) Food web ????c) Ecological pyr amid ????d)Ecology chain
???????????? 203 ???? ????The animal which consumes decaying organic matter is _________ (Answer : B)
???????? ???????? ???????????? a) Carnivore ????b) Detritivore ????c) Herbivore ????d)Producers
???????????? 204 ???? ????An ecosystem gr adually merges with an adjoining one through a tr ansitional zone is called the
______________ (Answer : C)
???????? ???????? ???????????? a) Ecological niche ????b) ecological f ootprint ????c) ecotone ????d)Shore ef f ect
???????????? 205 ???? ????The Primary Consumers are also called as (Answer : A)
???????? ???????? ???????????? a) Herbivores ????b) Carnivores ????c) Enzymes ????d)None of these
???????????? 206 ???? ????The f orests which occur in law r ain f all area is called (Answer : B)
???????? ???????? ???????????? a) Evergreen f orests ????b) deciduous f orests ????c) Conif erous f orest ????d)All the above
???????????? 207 ???? ????Favor able morphological and physiological response to a change in environment is called (Answer : D)
???????? ???????? ???????????? a) Preadaptation ????b) Ecotyping ????c) Formation of ecophenes ????d)Acclimatization
???????????? 208 ???? ????Plants adapted to open, sunny habitats are (Answer : B)
???????? ???????? ???????????? a) Sciophytes ????b) Heliophytes ????c) Mesophytes ????d)Epiphytes
???????????? 209 ???? ????Temper ate f orests occur in India in (Answer : B)
???????? ???????? ???????????? a) Indo-gangetic plains ????b) Himalayas ????c) Eastern India ????d)Southern peninsula
???????????? 210 ???? ????In India, tropical evergreen f orests occur in (Answer : C)
???????? ???????? ???????????? a) Himachal Pr adesh ????b) Madhya Pr adesh ????c) Assam ????d)Tamil Nadu
???????????? 211 ???? ????Which one is natures cleaner? (Answer : C)
???????? ???????? ???????????? a) Consumers ????b) Producers ????c) Decomposers and Scavengers ????d)Symbionts
???????????? 212 ???? ????The relationship between nitrogen fixing bacteria and leguminous plants is an example f or (Answer : C)
???????? ???????? ???????????? a) Par asitism ????b) Predation ????c) Mutualism ????d)Symbiosis
???????????? 213 ???? ????______ trees shed their leaves during winter and hot summer. (Answer : C)
???????? ???????? ???????????? a) Ever green ????b) Conif erous ????c) Deciduous ????d)Shola
???????????? 214 ???? ????Thorn f orests are f ound in the_______ regions (Answer : A)
???????? ???????? ???????????? a) Semi-arid ????b) High r ain f all areas ????c) Low temper ature ????d)Frozen areas
???????????? 215 ???? ????________ is a cold desert in India (Answer : B)
???????? ???????? ???????????? a) Thar ????b) Ladakh ????c) Ran of Kutch ????d)Bhopal
???????????? 216 ???? ????______ is an example of bottom f eeders (Answer : A)
???????? ???????? ???????????? a) Cat fish ????b) Frog ????c) Snake ????d)Tadpole
???????????? 217 ???? ????A Hawk that eats a frog is a (Answer : D)
???????? ???????? ???????????? a) Producer ????b) Primary Consumer ????c) Secondary Consumer ????d)Tertiary Consumer
???????????? 218 ???? ????An example of lotic system (Answer : B)
???????? ???????? ???????????? a) Pond ????b) River ????c) Lake ????d)Reservoir
???????????? 219 ???? ????Complex interlinked f ood chains are called (Answer : A)
???????? ???????? ???????????? a) Food Web ????b) Food net work ????c) Trophic levels ????d)Food pyr amid
???????????? 220 ???? ????Lotic ecosystem ref ers to (Answer : B)
???????? ???????? ???????????? a) Static water system ????b) Ecosystem of flowing water ????c) Ecosystem of estuaries ????d)Deep
marine water system
???????????? 221 ???? ????Autotrophs are ______________ (Answer : D)
???????? ???????? ???????????? a) Consumers ????b) Herbivores ????c) Saprophytes ????d)Producers
???????????? 222 ???? ????Organisms which depened on Producers f or nutrition are called (Answer : C)
???????? ???????? ???????????? a) Autotrophs ????b) Saprophytes ????c) Consumers ????d)Xerophytes
???????????? 223 ???? ????The source of atmospheric oxygen is (Answer : B)
???????? ???????? ???????????? a) Nitrogen cycle ????b) Green Plants ????c) Water ????d)Carbon Cycle
???????????? 224 ???? ????Plants which grow in shade are called (Answer : A)
???????? ???????? ???????????? a) Sciophytes ????b) Heliophytes ????c) Oxylophytes ????d)Epiphytes
???????????? 225 ???? ????Photosynthesis is f ound in (Answer : A)
???????? ???????? ???????????? a) Producers ????b) Decomposers ????c) Consumers ????d)Scavengers
???????????? 226 ???? ????Phytoplankton are (Answer : B)
???????? ???????? ???????????? a) Producers of f orest ????b) Producers of lakes ????c) Consumers of Ocean ????d)Omnivores
???????????? 227 ???? ????Gas released during photosynthesis is (Answer : C)
???????? ???????? ???????????? a) Methane ????b) Nitrogen ????c) Oxygen ????d)Carbon dioxide
???????????? 228 ???? ????The ma jor reservoir of carbon is (Answer : B)
???????? ???????? ???????????? a) The atmosphere ????b) Ocean Bed ????c) Plant and animals ????d)Rock
???????????? 229 ???? ????The simplest aquatic ecosystem can be seen in a (Answer : C)
???????? ???????? ???????????? a) River ????b) Lake ????c) Pond ????d)Water Tank
???????????? 230 ???? ????What is hibernation and aestivation? (Answer : A)
???????? ???????? ???????????? a) Thermal adaptation shown by animals ????b) wind adaptation shown by animals ????c) adaptation of
animals to escape from predators ????d)None
???????????? 231 ???? ????What is lentic habitat ? (Answer : B)
???????? ???????? ???????????? a) Running water habitat ????b) Standing or still water habitat ????c) Marine habitat ????d)None
???????????? 232 ???? ????What is lotic habitat? (Answer : C)
???????? ???????? ???????????? a) Standing or still water habitat ????b) Marine habitat ????c) Running water habitat ????d)Stagnant water
???????????? 233 ???? ????What is Plankton? (Answer : A)
???????? ???????? ???????????? a) Microscopic floating organisms ? Plants and animals. ????b) bottom dwelling aquatic organisms ????c)
Large plants in water ????d)None
???????????? 234 ???? ????What is Canopy? (Answer : A)
???????? ???????? ???????????? a) Uppermost level of the f orest ????b) Ground level of the f orest ????c) Soil in f orest ????d)Climbers on
trees
???????????? 235 ???? ????North American gr assland are called (Answer : B)
???????? ???????? ???????????? a) Pampas ????b) Pr airies ????c) Savannah ????d)None
???????????? 236 ???? ????African gr asslands are called (Answer : C)
???????? ???????? ???????????? a) Pr airies ????b) Pampas ????c) Savannah ????d)None
???????????? 237 ???? ????Green plants are absent in deep sea. Why? (Answer : A)
???????? ???????? ???????????? a) Light is absent ????b) High pressure ????c) low temper ature ????d)Great depth
???????????? 238 ???? ????What is desertification? (Answer : D)
???????? ???????? ???????????? a) Conversion of f orests into desert ????b) Conversion of croplands into desert ????c) Conversion of
gr assland into desert ????d)all of the above
???????????? 239 ???? ????The first trophic level in a f ood chain (Answer : A)
???????? ???????? ???????????? a) Green Plants ????b) Herbivores ????c) Carnivores ????d)Bacteria
???????????? 240 ???? ????Sulphur bacteria are examples of (Answer : D)
???????? ???????? ???????????? a) Carnivores ????b) Heterotrophs ????c) Saprophytes ????d)Autotrophs
???????????? 241 ???? ????Green Land biome (Answer : B)
???????? ???????? ???????????? a) Tundr a ????b) Pampas ????c) Taiga ????d)Thaar.
???????????? 242 ???? ????What is deep ecology? (Answer : A)
???????? ???????? ???????????? a) Protecting nature f or its own sake ????b) Ecology of deep sea ????c) Ecology of f orest ????d)Ecology of
caves
???????????? 243 ???? ????Cor al reefs in India can be seen in (Answer : B)
???????? ???????? ???????????? a) Himalayan region ????b) Andaman and Nicobar Islands ????c) Uttarpr adesh ????d)Mahar ashtr a
???????????? 244 ???? ????____________ is one of the most endangered species of Indian birds (Answer : D)
???????? ???????? ???????????? a) Bee eater ????b) Par adise fly catcher ????c) Owl ????d)The great Indian bustard
???????????? 245 ???? ????................. species is known as Azadir achta Indica (Answer : A)
???????? ???????? ???????????? a) Neem ????b) Mango ????c) Jackfruit ????d)Banana
???????????? 246 ???? ????.................... is a marine tortoise which shows the unique phenomenon ?arribada? (Answer : A)
???????? ???????? ???????????? a) Olive Ridley ????b) Star T ortoise ????c) Tr avancore T ortoise ????d)b & c
???????????? 247 ???? ????.................... tree is known as ?flame of the f orest?? (Answer : B)
???????? ???????? ???????????? a) Zizyphus ????b) Butea monosperma ????c) Jackfruit ????d)Pongamea
???????????? 248 ???? ????All are insitu conservation ef f orts except (Answer : C)
???????? ???????? ???????????? a) National parks ????b) Sanctuaries ????c) Zoo ????d)
???????????? 249 ???? ????Approximately, 50% of total world species are present on (Answer : A)
???????? ???????? ???????????? a) tropical r ain f orest ????b) temper ate r ain f orest ????c) temper ate deciduous f orest d ????d)cor al reefs
???????????? 250 ???? ????Bears are usually hunted and killed f or their (Answer : B)
???????? ???????? ???????????? a) Teeth ????b) Skin ????c) Gall bladder ????d)Nails
???????????? 251 ???? ????Biodiversity (Answer : A)
???????? ???????? ???????????? a) increases towards the equator ????b) decreases towards the equator ????c) remains same throughout
the planet d ????d)has no ef f ect on change in latitude
???????????? 252 ???? ????Black Buck is a (Answer : B)
???????? ???????? ???????????? a) Goat ????b) Deer ????c) Butterfly ????d)Bird
???????????? 253 ???? ????Blue whale is placed under (Answer : A)
???????? ???????? ???????????? a) endangered ????b) critically endangered ????c) r are ????d)d) extinct
???????????? 254 ???? ????Conservation within the natur al habitat is (Answer : A)
???????? ???????? ???????????? a) insitu conservation ????b) exsitu conservation ????c) invivo conservation ????d)d) exvivo conservation
???????????? 255 ???? ????Cor al reefs in India can be seen in (Answer : B)
???????? ???????? ???????????? a) Himalayan region ????b) Andaman and Nicobar Islands ????c) Uttarpr adesh ????d)Mahar ashtr a
???????????? 256 ???? ????Dodo is (Answer : D)
???????? ???????? ???????????? a) endangered ????b) b) critically endangered ????c) c) r are ????d)d) extinct
???????????? 257 ???? ????Endemic species are (Answer : B)
???????? ???????? ???????????? a) r are species ????b) b) species localised in a specific region ????c) c) cosmopolitan in distribution d)
critically endangered species ????d)
???????????? 258 ???? ????Ex situ conservation includes (Answer : D)
???????? ???????? ???????????? a) Zoo ????b) Botanic garden ????c) c) Germplasm bank ????d)d) all of the above
???????????? 259 ???? ????Gharial is a (Answer : A)
???????? ???????? ???????????? a) Crocodile ????b) b) Cobr a ????c) c) T ortoise ????d)d) Frog
???????????? 260 ???? ????Herpetology is a br anch of Science which deals with (Answer : C)
???????? ???????? ???????????? a) Aves ????b) Mammals ????c) Reptiles ????d)Fishes
???????????? 261 ???? ????Hot spots are regions of high (Answer : B)
???????? ???????? ???????????? a) r arity ????b) b) endemism ????c) c) critically endangered population d) diversity ????d)d) diversity
???????????? 262 ???? ????India is primary centre of domestication of (Answer : D)
???????? ???????? ???????????? a) Sheep ????b) Goat ????c) Water Buf f alo ????d)Elephants
???????????? 263 ???? ????IUCN (The International Union For Conservation Of Nature And Natur al Resources) headquarters is at
(Answer : A)
???????? ???????? ???????????? a) Morges, Switzerland ????b) Paris, Fr ance ????c) Vienna, Austria d ????d)NewYork, USA
???????????? 264 ???? ????IUCN is also called as (Answer : B)
???????? ???????? ???????????? a) Man and Biosphere progr am ????b) World Conservation Union ????c) World Conservation Consortium
d ????d)World Wide Conservation Union
???????????? 265 ???? ????Killing of animals disturbs (Answer : C)
???????? ???????? ???????????? a) Good f or eco system ????b) Good f or man ????c) The balance of nature ????d)None
???????????? 266 ???? ????MAB progr am stands f or (Answer : D)
???????? ???????? ???????????? a) Man and biotechnology ????b) Material and biology ????c) Man and Biology ????d)Man and Biosphere
???????????? 267 ???? ????Pangolins f eed on (Answer : A)
???????? ???????? ???????????? a) ants ????b) b) fruits ????c) c) leaves ????d)d) roots
???????????? 268 ???? ????Red data book contains data of (Answer : D)
???????? ???????? ???????????? a) all plant species ????b) all animal species ????c) economically important species ????d)threatened
species
???????????? 269 ???? ????Silent Spring is a well known book written by (Answer : C)
???????? ???????? ???????????? a) John Miller ????b) Charles Darwin ????c) Rachel Carson ????d)Aldoleopold
???????????? 270 ???? ????The drug morphine is extr acted from ............... plant (Answer : C)
???????? ???????? ???????????? a) Cocoa ????b) Belladonna ????c) Opium Poppy ????d)Tannin
???????????? 271 ???? ????The first global environmental protection treaty The Montreal Protocol was signed on Sept. 26. (Answer
: D)
???????? ???????? ???????????? a) 1985 ????b) 1990 ????c) 1981 ????d)1987
???????????? 272 ???? ????The most important reason f or decrease in biodiversity is (Answer : D)
???????? ???????? ???????????? a) habitat pollution ????b) introduction of exotic species ????c) overexploitation ????d)habitat destruction
???????????? 273 ???? ????The only ape f ound in India (Answer : C)
???????? ???????? ???????????? a) Gorilla ????b) Chimpanzee ????c) Hoolock gibbon ????d)Or anguttan
???????????? 274 ???? ????Which of the f ollowing is a biodiversity hot sport in India? (Answer : A)
???????? ???????? ???????????? a) Western Ghats ????b) Nandadevi ????c) Eastern Ghats ????d)Ar avalli
???????????? 275 ???? ????Which of the f ollowing region has maximum diversity? (Answer : D)
???????? ???????? ???????????? a) mangroves ????b) temper ate r ainf orest ????c) taiga d ????d)cor al reefs
???????????? 276 ???? ????Which plants die after flowering? (Answer : B)
???????? ???????? ???????????? a) Lotus ????b) Bamboo ????c) Chrysanthemum ????d)Butea
???????????? 277 ???? ????Which tree is known as Cor al tree? (Answer : C)
???????? ???????? ???????????? a) Quercus ????b) Dipterocarps ????c) Erythrina ????d)Zizypus
???????????? 278 ???? ????Salim Ali Centre f or Ornithology and Natur al history is located at ______ (Answer : D)
???????? ???????? ???????????? a) Pune ????b) Hyder abad ????c) Ker ala ????d)Coimbatore
???????????? 279 ???? ????World wildlif e week is observed during (Answer : A)
???????? ???????? ???????????? a) First week of October ????b) Last week of October ????c) Third week of October ????d)First week of
September
???????????? 280 ???? ????Zoological Survey of India is at (Answer : C)
???????? ???????? ???????????? a) Delhi ????b) Mumbai ????c) Kolkata ????d)Chennai
???????????? 281 ???? ????The Salim Ali Bird sanctuary is located at (Answer : B)
???????? ???????? ???????????? a) Pondicherry ????b) Thattekad ????c) Anakkatti ????d)Kalakkadj
???????????? 282 ???? ????Who among the f ollowing is commonly called ?Bird Man of India?? (Answer : A)
???????? ???????? ???????????? a) Salim Ali ????b) M.S. Swaminathan ????c) M.C. Mehta ????d)Raphel Emerson
???????????? 283 ???? ????The phenomenon of occurrence of additional species f ound in the ecotone or tr ansitional zone
between adjoining ecosystems is known as _________ (Answer : A)
???????? ???????? ???????????? a) Edge ef f ect ????b) Root ef f ect ????c) Raman ef f ect ????d)Coolidge ef f ect
???????????? 284 ???? ????A set of organisms that resemble one another in appear ance and behaviour is called a _____________
(Answer : C)
???????? ???????? ???????????? a) Exons ????b) Prions ????c) Species ????d)guilds
???????????? 285 ???? ????All the genes of a population is called (Answer : A)
???????? ???????? ???????????? a) gene pool ????b) Genome ????c) Gene bunch ????d)Gene population
???????????? 286 ???? ????The first protected area in India is ____________ (Answer : B)
???????? ???????? ???????????? a) Silent valley ????b) Corbett National Park ????c) Bandipur sanctuary ????d)Nagar-Hole
???????????? 287 ???? ????The Indian Parliament passed the Biodiversity Bill in the year_________ (Answer : C)
???????? ???????? ???????????? a) 2000 ????b) 2005 ????c) 2002 ????d)2007
???????????? 288 ???? ????The destruction of habitat of plants and animals is called (Answer : C)
???????? ???????? ???????????? a) Endemism ????b) Endangered species ????c) Habitat loss ????d)Flood
???????????? 289 ???? ????Zoos are examples f or (Answer : C)
???????? ???????? ???????????? a) In-situ conservation ????b) In-vivo conservation ????c) Ex-situ conservation ????d)Ex-vivo conservation
???????????? 290 ???? ????In which Indian state is Corbet National park located (Answer : B)
???????? ???????? ???????????? a) Madya Pr adesh ????b) Uttar akhand ????c) Ker ala ????d)Tamilnadu
???????????? 291 ???? ????The first national park of Ker ala (Answer : D)
???????? ???????? ???????????? a) Ar alam ????b) Kottayam ????c) Idukki ????d)Ir avikulam
???????????? 292 ???? ????In which year was Pro ject Tiger launched? (Answer : A)
???????? ???????? ???????????? a) 1973 ????b) 1964 ????c) 1998 ????d)1970
???????????? 293 ???? ????Earth summit of Rio de Janeiro (1992) resulted in (Answer : C)
???????? ???????? ???????????? a) Compilation of Red list ????b) Establishment of biosphere reserves ????c) Conservation of biodiversity
????d)IUCN
???????????? 294 ???? ????Lions are f ound in (Answer : D)
???????? ???????? ???????????? a) Western Ghats ????b) Corbett National Park ????c) Forests of Madhya Pr adesh ????d)Gir f orests
???????????? 295 ???? ????National Park associated with rhinoceros is (Answer : A)
???????? ???????? ???????????? a) Kazir anga ????b) Ranthambore ????c) Corbett ????d)Valley of flowers
???????????? 296 ???? ????Some species of plants and animals are extremely r are and may occur only at a f ew locations are called
(Answer : B)
???????? ???????? ???????????? a) Endemic ????b) Endangered ????c) Vulner able ????d)Threatened
???????????? 297 ???? ????The only known breeding colony of the greater and lesser Flamingos in our country is seen in
???????.. desert. (Answer : A)
???????? ???????? ???????????? a) The Great Rann of Kutch ????b) The Thar ????c) Ladakh ????d)Atacama
???????????? 298 ???? ????The one-horned Rhinoceros is now restricted to which state? (Answer : C)
???????? ???????? ???????????? a) Mahar ashtr a ????b) Gujar at ????c) Assam ????d)Uttar Pr adesh
???????????? 299 ???? ????Asiatic lion is f ound only in _____ (Answer : A)
???????? ???????? ???????????? a) Gir Forest ????b) Manas ????c) Kasir anga ????d)Sundarbans
???????????? 300 ???? ????________ is a marine tortoise which shows the unique phenomenon ???arribada??? (Answer : A)
???????? ???????? ???????????? a) Olive Ridley ????b) Star T ortoise ????c) Tr avancore T ortoise ????d)b & c
???????????? 301 ???? ????Largest reptile in the world (Answer : B)
???????? ???????? ???????????? a) Dr agon ????b) Anaconda ????c) Crocodile ????d)Python
???????????? 302 ???? ????Snow leopard is f ound in which National Park? (Answer : B)
???????? ???????? ???????????? a) Kazir anga ????b) The Great Himalayan ????c) Bhar atpur ????d)Nagarhole
???????????? 303 ???? ????Point Calimere sanctuary is situated in which state? (Answer : A)
???????? ???????? ???????????? a) Tamilnadu ????b) Ker ala ????c) Karnataka ????d)Gujar at
???????????? 304 ???? ????The movement Beej Bachao Andolan was aimed f or the conservation of ________ (Answer : C)
???????? ???????? ???????????? a) Trees ????b) Shrubs ????c) Crops ????d)Coconut
???????????? 305 ???? ????In which year Silent Valley was declared as National Park? (Answer : C)
???????? ???????? ???????????? a) 1988 ????b) 1982 ????c) 1984 ????d)1981
???????????? 306 ???? ????The Red Data book which lists endangered species is maintained by (Answer : C)
???????? ???????? ???????????? a) UNO ????b) WHO ????c) IUCN ????d)WWF
???????????? 307 ???? ????First Biosphere reserve in India (Answer : A)
???????? ???????? ???????????? a) Nilgiri ????b) Agastyamala ????c) Er avikulam ????d)Chinnar
???????????? 308 ???? ????Flag ship species of Choolannur sanctuary (Answer : B)
???????? ???????? ???????????? a) Tiger ????b) Peacock ????c) Elephant ????d)Rhino
???????????? 309 ???? ????Which of the f ollowing is an extinct species? (Answer : C)
???????? ???????? ???????????? a) Tiger ????b) Lion ????c) Dodo ????d)Ostrich
???????????? 310 ???? ????________ is one of the most endangered species of Indian birds (Answer : D)
???????? ???????? ???????????? a) Bee eater ????b) Par adise fly catcher ????c) Owl ????d)The great Indian bustard
???????????? 311 ???? ????Many wild plant and animals are on the verge of extinction due to (Answer : A)
???????? ???????? ???????????? a) Habitat destruction ????b) Climatic changes ????c) Non availability of f ood ????d)None of the above
???????????? 312 ???? ????The most endangered ecosystem in India (Answer : B)
???????? ???????? ???????????? a) Shola f orest ecosystem ????b) Evergreen f orest ecosystem ????c) Pond ecosystem ????d)Tundr a
Ecosystem
???????????? 313 ???? ????Er avikulam National Park conserves (Answer : D)
???????? ???????? ???????????? a) Lion tailed macaque ????b) Tiger ????c) Elephant ????d)Nilgiri Tahr
???????????? 314 ???? ????First National Park in India (Answer : A)
???????? ???????? ???????????? a) Jim Corbert National Park ????b) Bandipur National Park ????c) Gir National Park ????d)Sunderbans
National Park
???????????? 315 ???? ????Agastyamalai Biosphere reserve is in (Answer : B)
???????? ???????? ???????????? a) Pathanamthitta ????b) Thiruvananthapur am ????c) Idukki ????d)Wayanad
???????????? 316 ???? ????What is meant by ex-situ conservation? (Answer : C)
???????? ???????? ???????????? a) Conservation of a species by protecting its habitat along with all other species living there. ????b)
Conservation of f orest eco system ????c) Conservation of a species outside its natur al habitat ????d)Conservation of
plants
???????????? 317 ???? ????The state which constituted green bench (Answer : B)
???????? ???????? ???????????? a) Ker ala ????b) Tamilnadu ????c) Assam ????d)Madhya Pr adesh
???????????? 318 ???? ????Name the endangered animal which is protected in Ra jamalai National park (Answer : C)
???????? ???????? ???????????? a) Chital ????b) Black buck ????c) Nilgiri Tahr ????d)None
???????????? 319 ???? ????Animals and plants are best protected in (Answer : C)
???????? ???????? ???????????? a) Zoos ????b) Botanical Gardens ????c) National Parks ????d)Sanctuaries
???????????? 320 ???? ????Worlds first Teak Forest was planted in 1842 in Ker ala. Identif y the place. (Answer : B)
???????? ???????? ???????????? a) Wayanad ????b) Nilambur ????c) Silent Valley ????d)Nelliyampathy
???????????? 321 ???? ????The Native Place of Redwood trees? (Answer : C)
???????? ???????? ???????????? a) Austr alia ????b) Amazon ????c) Calif ornia ????d)Thailand
???????????? 322 ???? ????Centre of Modern nuclear technology in India (Answer : C)
???????? ???????? ???????????? a) CRAS ????b) SARC ????c) BARC ????d)None of these
???????????? 323 ???? ????What is an Inciner ator? (Answer : A)
???????? ???????? ???????????? a) Furnace used f or burning solid waste ????b) Furnace used f or treating liquid waste ????c) Both a & b
????d)None of these
???????????? 324 ???? ????Photochemical smog is called (Answer : B)
???????? ???????? ???????????? a) T okyo smog ????b) London smog ????c) Los Angeles smog ????d)None
???????????? 325 ???? ????The combustion of waste in the absence of Oxygen is called (Answer : B)
???????? ???????? ???????????? a) Haemolysis ????b) Pyrolysis ????c) Hydrolysis ????d)None
???????????? 326 ???? ????The heating of earths atmosphere due to tr apped r adiation is known as (Answer : D)
???????? ???????? ???????????? a) Global warming ????b) Glass-House ef f ect ????c) Thermal ef f ect ????d)Green House Ef f ect
???????????? 327 ???? ????Thickness of plastic cover permissible to use (Answer : C)
???????? ???????? ???????????? a) 50 Microns ????b) 20 Microns ????c) 100 Microns ????d)10 Microns
???????????? 328 ???? ????A biodegr adable plastic developed by Biopak Corpor ation Austr alia (Answer : A)
a) Biopol ????b) Pet ????c) Polyester ????d)PVC
???????????? 329 ???? ????The Residential and Commercial wastes mainly consist of: (Answer : A)
???????? ???????? ???????????? a) Food wastes ????b) Card board ????c) Packaging materials ????d)None of these
???????????? 330 ???? ????Lead in water can cause (Answer : C)
???????? ???????? ???????????? a) Eye disease ????b) Arthritis ????c) Kidney damage ????d)Hair f alling
???????????? 331 ???? ????Colorless odorless and non corrosive air pollutant is (Answer : C)
???????? ???????? ???????????? a) Sulphur dioxide ????b) Carbon monoxide ????c) Carbon dioxide ????d)Ozone
???????????? 332 ???? ????Disease aggr avated by air pollution is (Answer : C)
???????? ???????? ???????????? a) Choler a ????b) Rheumatism ????c) Bronchitis ????d)Haemophilia
???????????? 333 ???? ????Which of the f ollowing type of pollution can cause the outbreak of Jaundice (Answer : C)
???????? ???????? ???????????? a) Air ????b) Thermal ????c) Water ????d)Land
???????????? 334 ???? ?????Ozone Hole? is a _____________ (Answer : B)
???????? ???????? ???????????? a) Hole in the atmosphere b ????b) Destruction of ozone layer c ????c) Hole in the hydrosphere d ????d)Hole
in the troposphere
???????????? 335 ???? ?????Plumbism? is the disorder develops in man when exposed to..... (Answer : A)
???????? ???????? ???????????? a) a) Lead ????b) b) Mercury ????c) c) Arsenic ????d)d) CO
???????????? 336 ???? ????A pollutant not released by exhaust of automobiles is.... (Answer : C)
???????? ???????? ???????????? a) a) SO 2 ????b) b) CO ????c) c) Fly Ash ????d)d) Hydrocarbon gases
???????????? 337 ???? ????Acid r ain contains (Answer : A)
???????? ???????? ???????????? a) Sulphuric acid b ????b) Hydrochloric acid c ????c) Oxalic acid d ????d)Acetic acid
???????????? 338 ???? ????An example of natur al pollutant is (Answer : D)
???????? ???????? ???????????? a) a) Forest fire ????b) b) Natur al Organic Decay ????c) c) Volcanic eruptions ????d)d) All of the above
???????????? 339 ???? ????An example of non-biodegr adable pollutant is (Answer : B)
???????? ???????? ???????????? a) a) Sewage ????b) b) Plastic ????c) c) Litter ????d)d) Vegetable waste
???????????? 340 ???? ????Birth r ate is called (Answer : C)
???????? ???????? ???????????? a) mortality b ????b) vital index c ????c) natality d ????d)viability
???????????? 341 ???? ????Bishnoi women is connected to (Answer : B)
???????? ???????? ???????????? a) Hindi Film ????b) b) Chipko movement ????c) c) Climate change ????d)d) Women rights
???????????? 342 ???? ????BOD is used f or the measurement of .... (Answer : C)
???????? ???????? ???????????? a) a) Atmospheric pollution ????b) b) Soil pollution ????c) c) Water pollution ????d)d) Nuclear pollution
???????????? 343 ???? ????Causative organisms of Malaria (Answer : C)
???????? ???????? ???????????? a) Bacteria b ????b) Fungus c ????c) Plasmodium d ????d)Virus
???????????? 344 ???? ????Component not released in the burning coal is... (Answer : D)
???????? ???????? ???????????? a) a) NO 2 ????b) b) SO 2 ????c) c) Fly Ash ????d)d) O 2
???????????? 345 ???? ????Death r ate of the population (Answer : A)
???????? ???????? ???????????? a) Mortality b ????b) Viability c ????c) Natality d ????d)Vitality
???????????? 346 ???? ????Ear muf fs or Cotton plugs are used to reduce pollution of..... (Answer : B)
???????? ???????? ???????????? a) a) Air ????b) b) Noise ????c) c) Thermal ????d)d) Nuclear
???????????? 347 ???? ????EIA is the (Answer : C)
???????? ???????? ???????????? a) a) Economic Inf ormation Awareness ????b) b) Environmental Inf ormation Awareness ????c) c)
Environmental Impact Assessment ????d)d) Environmental Impact Avoidance
???????????? 348 ???? ????El Nino (Answer : A)
???????? ???????? ???????????? a) a) a climate cycle in the Pacific Ocean impacting global weather patterns ????b) b) Cold current in the
Atlantic influencing South American weather ????c) c) An annual underwater phenomenon af f ecting global weather
????d)d) A sub-sahar an hot wind af f ecting global climate.
???????????? 349 ???? ????Environmental Protection Act was introduced in the year (Answer : A)
???????? ???????? ???????????? a) 1986 b ????b) 1988 c ????c) 1972 d ????d)1989
???????????? 350 ???? ????Example f or a bio-degr adable polymer is (Answer : C)
???????? ???????? ???????????? a) Polyethylene b ????b) Polypropylene c ????c) Poly lactic acid d ????d)Polyester
???????????? 351 ???? ????Exposure of human body to r adiation may cause... (Answer : D)
???????? ???????? ???????????? a) a) Polio ????b) b) Gastroenteritis ????c) c) Haemophilia ????d)d) Leukemia
???????????? 352 ???? ????Increased heart beat, constriction of blood vessels and dilation of pupil are symptoms of.... (Answer :
A)
???????? ???????? ???????????? a) a) Sound pollution ????b) b) Thermal pollution ????c) c) Air pollution ????d)d) Nuclear pollution
???????????? 353 ???? ????India Government passed the Air act in the year (Answer : B)
???????? ???????? ???????????? a) a) 1991 ????b) b) 1981 ????c) c) 1982 ????d)d) 2001
???????????? 354 ???? ????Inf ection of HIV is usually detected by which test (Answer : A)
???????? ???????? ???????????? a) Elisa test b ????b) Hybridization c ????c) Gr am staining d ????d)None
???????????? 355 ???? ????IPCC (Answer : C)
???????? ???????? ???????????? a) a) International Panel on Climate Change ????b) b) International Peace Conf erence f or Climate ????c) c)
Intergovernmental Panel on Climate Change ????d)d) Intercontinental Plans f or Continuous
???????????? 356 ???? ????Largest source of air pollution in cities are .... (Answer : C)
???????? ???????? ???????????? a) a) Industries ????b) b) Sewage ????c) c) Automobiles ????d)d) Tanneries
???????????? 357 ???? ????Leader of ?Narmada Bachao Andolan? (Answer : B)
???????? ???????? ???????????? a) Vandana Siva b ????b) Medha Patkar c ????c) Menaka Gandhi d ????d)Mayilamma
???????????? 358 ???? ????Minamata disease is due to... (Answer : A)
???????? ???????? ???????????? a) a) Mercury poisoning ????b) b) Lead poisoning ????c) c) Arsenic poisoning ????d)d) Cadmium poisoning
???????????? 359 ???? ????Mullaperiyar dam is in the district? (Answer : C)
???????? ???????? ???????????? a) Thrissur b ????b) Pathanamthitta c ????c) Idukki d ????d)Alappuzha.
???????????? 360 ???? ????National Maritime Day of India is celebr ated on ______________ (Answer : B)
???????? ???????? ???????????? a) October 16 b ????b) April 05 c ????c) March 21 d ????d)May 22
???????????? 361 ???? ????Natur al earthquakes are caused by __________ (Answer : A)
???????? ???????? ???????????? a) Earth?s crust b ????b) deep seas c ????c) peak mountains d ????d)f orests
???????????? 362 ???? ????Noise is _______________ (Answer : C)
???????? ???????? ???????????? a) Huge sound b ????b) Sound of vehicles c ????c) Undesir able and unwanted sound d ????d)Sound of
cr ackers
???????????? 363 ???? ????Of ficial date of Earth Day is on _________ (Answer : A)
???????? ???????? ???????????? a) April 22 b ????b) March 21 c ????c) May 22 d ????d)June 05
???????????? 364 ???? ????On which date was the Stockholm Conf erence on Human Environment held? (Answer : C)
???????? ???????? ???????????? a) July 6th 1974 b ????b) Aug 8th 1976 c ????c) June 5th 1972 d ????d)Dec 12th 1990
???????????? 365 ???? ????One third of the global cases of Tuberculosis is in (Answer : C)
???????? ???????? ???????????? a) Britain b ????b) Sweden c ????c) India d ????d)China
???????????? 366 ???? ????Organ af f ected by pneumonia (Answer : D)
???????? ???????? ???????????? a) Liver b ????b) Kidney c ????c) Heart d ????d)Lungs.
???????????? 367 ???? ????Ozone (Answer : A)
???????? ???????? ???????????? a) a) strong poisonous f orm of Oxygen with 3 atoms in a molecule ????b) b) A mix of various gases
f orming a protective cover ????c) c) Purest f orm of Oxygen which increases its supply on earth ????d)d) a strong and
protective compound from Oxygen and Hydrogen
???????????? 368 ???? ????Ozone in lower atmosphere is an example of ... (Answer : B)
???????? ???????? ???????????? a) a) Primary pollutant ????b) b) Secondary pollutant ????c) c) Tertiary pollutant ????d)d) Not a pollutant
???????????? 369 ???? ????Ozone layer is (Answer : A)
???????? ???????? ???????????? a) A) 20 ? 50 km above the surf ace of the earth ????b) B) 70 to 90 kms above the earth ????c) C) 30 ? 40
kms below the earth ????d)D) 20 ? 50 kms below the sea level.
???????????? 370 ???? ????Ozone layer is situated in which str ata of artmosphere? (Answer : B)
???????? ???????? ???????????? a) Thermosphere ????b) (b) str atosphere ????c) (c) ionosphere ????d)(d) mesosphere
???????????? 371 ???? ????Poisonous gas caused Bhopal gas tr agedy (Answer : A)
???????? ???????? ???????????? a) Methyl isocyanate ????b) (b) Ethyl isocyante ????c) (c) Methyl isocyanide ????d)(d) Ethyl isocyamide
???????????? 372 ???? ????Presence of E. coli in water is an indication of (Answer : A)
???????? ???????? ???????????? a) Fecal contamination (b ????b) Lead contamination (c ????c) Vir al contamination (d ????d)Mercury
contamination
???????????? 373 ???? ????Public awareness of environment creates ___________ (Answer : A)
???????? ???????? ???????????? a) Environment protection b ????b) Environment degr adation c ????c) Environmental improvement d
????d)Environmental cultivation
???????????? 374 ???? ????Public Health is not dependent on (Answer : C)
???????? ???????? ???????????? a) a) saf e drinking water ????b) b) suf ficient f ood ????c) c) competitive market conditions ????d)d) good
social conditions
???????????? 375 ???? ????Rain water harvesting is a ma jor method implemented f or_____________ (Answer : A)
???????? ???????? ???????????? a) Water Conservation b ????b) Soil Conservation c ????c) Forest conservation d ????d)Ecological
conservation
???????????? 376 ???? ????Salmonellosis is a disease related to consumption of (Answer : D)
???????? ???????? ???????????? a) Chicken b ????b) Eggs c ????c) Mutton d ????d)Fish
???????????? 377 ???? ????Soil pollution is caused by.... (Answer : D)
???????? ???????? ???????????? a) a) Industrial wastes ????b) b) Detergents ????c) c) Agrochemicals ????d)d) All of these
???????????? 378 ???? ????Some pollutants combine with hemoglobin and impede oxygen tr ansport. Such pollutants are...
(Answer : C)
???????? ???????? ???????????? a) a) SO 3 ????b) b) N2 O ????c) c) CO ????d)d) All of these
???????????? 379 ???? ????Spr aying of DDT to kill insects causes pollution of..... (Answer : D)
???????? ???????? ???????????? a) a) Air ????b) b) Water ????c) c) Soil ????d)d) All of these
???????????? 380 ???? ????Superbugs are (Answer : B)
???????? ???????? ???????????? a) Synthetic bug b ????b) Bacteria c ????c) Radio nucleotide d ????d)Industries
???????????? 381 ???? ????The 3 R principle in waste management involves (Answer : B)
???????? ???????? ???????????? a) Reduce, Regain, Reuse b ????b) Reduce, Reuse, Recycle c ????c) Reduce, Ref orm, Reset d ????d)Reduce,
Retain, Regain
???????????? 382 ???? ????The Anthr ax disease is caused by (Answer : B)
???????? ???????? ???????????? a) Virus b ????b) Bacteria c ????c) Protozoa d ????d)Helminthes
???????????? 383 ???? ????The chemical structure of Ozone is (Answer : B)
???????? ???????? ???????????? a) O 2 ????b) O3 ????c) O4 ????d)OZ3
???????????? 384 ???? ????The controversial dam across the river Narmada? (Answer : A)
???????? ???????? ???????????? a) Sardar Sarovar b ????b) Hir akud c ????c) Bhakr anangal d ????d)Sutlej.
???????????? 385 ???? ????The deadliest Tsunami in recorded history took place on (Answer : A)
???????? ???????? ???????????? a) 26-Dec-2004 b ????b) 26-Dec-2000 c ????c) 15-Nov-1990 d ????d)15-Dec-1999
???????????? 386 ???? ????The environmental stresses caused by urban individuals are expressed by (Answer : B)
???????? ???????? ???????????? a) Ecological pyr amid ????b) (b) Ecological f ootprint ????c) (c) Ecological indicators ????d)(d) Ecological index
???????????? 387 ???? ????The Expansion of SPCA (Answer : B)
???????? ???????? ???????????? a) Society f or the Protection of Common Animals b ????b) Society f or the Prevention of Cruelty to
Animals c ????c) Society f or the Prohibition of Cruelty to Animals d ????d)none
???????????? 388 ???? ????The expansion on PQLI is (Answer : A)
???????? ???????? ???????????? a) physical quality of lif e index b ????b) population quotient of lif e in India c ????c) poor quality of lif e in
India d ????d)poverty, quality of lif e in India
???????????? 389 ???? ????The f unction of ozone layer (Answer : C)
???????? ???????? ???????????? a) a) to prevent strong wind and r ains ????b) b) to f acilitate precipitation at lower levels ????c) c) to protect
earth from sun?s harmf ul ultr a-violet r adiation ????d)d) to increase the supply of oxygen
???????????? 390 ???? ????The historical monument that is af f ected by acid r ain is (Answer : A)
???????? ???????? ???????????? a) Ta j Mahal b ????b) Pyr amid of Egypt c ????c) Pisa T ower d ????d)Golden Temple
???????????? 391 ???? ????The intensity of earthquake is measured in ____________ (Answer : B)
???????? ???????? ???????????? a) Beauf ort scale b ????b) Richter scale c ????c) Mohs scale d ????d)Joules
???????????? 392 ???? ????The ma jor cause of depletion of ozone layer in the atmosphere is... (Answer : B)
???????? ???????? ???????????? a) a) Freon Gases ????b) b) CFC ????c) c) N 2 O ????d)d) CO 2
???????????? 393 ???? ????The ma jor reason why earth?s surf ace increases its temper ature is due to (Answer : C)
???????? ???????? ???????????? a) a) The earth?s surf ace is getting exposed ????b) b) The increase in the use of plastics ????c) c) About
75% of the solar energy reaching the earth surf ace is getting absorbed by earth ????d)The depleation of ozone
???????????? 394 ???? ????The method of simultaneous integr ation of trees with agricultur al crops is called (Answer : A)
???????? ???????? ???????????? a) Agro f orestry b ????b) Def orestation c ????c) Ref orestation d ????d)combined culture
???????????? 395 ???? ????The most widely f ound pollutant in the air is..... (Answer : A)
???????? ???????? ???????????? a) a) CO 2 ????b) b) CFC ????c) c) CO ????d)d) SO 2
???????????? 396 ???? ????The movement ?Pani Pan jayath? was initiated to conserve waters in the drought prone areas of
...................state. (Answer : C)
???????? ???????? ???????????? a) Tamilnadu b ????b) Ra jasthan c ????c) Mahar ashtr a d ????d)Karnataka
???????????? 397 ???? ????The nations threatened by submergence on account of global warming (Answer : D)
???????? ???????? ???????????? a) a) Pakistan and Afghanistan ????b) b) Ir an and Bangladesh ????c) c) Peru and West Indies ????d)d)
Bangladesh and Maldives
???????????? 398 ???? ????The pro jected rise in sea level in the near f uture (Answer : C)
???????? ???????? ???????????? a) a) 1.5 m ????b) b) 1.2 cm to 2.2 cm ????c) c) 9 cm to 88 cm ????d)d) 10 cm to 20 cm
???????????? 399 ???? ????The pro jected rise in temper ature in the next f ew decades (Answer : B)
???????? ???????? ???????????? a) a) 1.5 to 2 O C ????b) b) 1.4 to 5.8 O C ????c) c) 2.5 to 3.9 O C ????d)d) 1.5 to 9.2 O C
???????????? 400 ???? ????The R?s in 3Rs Principle stand f or; (Answer : B)
???????? ???????? ???????????? a) a) Reduce, Readiness, Redo ????b) b) Reduce, Reuse, Recycle ????c) c) Reclaim, Remedy,
Remembr ance ????d)d) Reduce, Register, Redo
???????????? 401 ???? ????The term ?Nuclear winter? is associated with (Answer : D)
???????? ???????? ???????????? a) Nuclear War b ????b) Nuclear disarmament c ????c) Nuclear weapon testing d ????d)After ef f ect of a
nuclear explosion
???????????? 402 ???? ????The word Tsunami is derived from two Japanese words (Answer : B)
???????? ???????? ???????????? a) tsu(big) and nami(flow) ????b) tsu(harbour) and nami(wave) ????c) tsu(big wave) and nami(wave)
????d)None of these
???????????? 403 ???? ????The World Wetlands Day is celebr ated on ________ (Answer : A)
???????? ???????? ???????????? a) February 02 b ????b) February 28 c ????c) June 05 d ????d)March 21
???????????? 404 ???? ????T orrey Canyon is f amous f or (Answer : D)
???????? ???????? ???????????? a) Gulf of War b ????b) Industries c ????c) Electric Potential d ????d)Oil spillage
???????????? 405 ???? ????Utilisation of natur al resources in moder ate manner to remaining something f or the next gener ation is
termed as (Answer : B)
???????? ???????? ???????????? a) a) Resettlement ????b) b) Sustainable development ????c) c) Rehabilitation ????d)d) Mutual development
???????????? 406 ???? ????Vermi-composting is a natur al method of (Answer : A)
???????? ???????? ???????????? a) Producing compost manure b ????b) Producing worms c ????c) Managing waste it creates d
????d)Destroying worms
???????????? 407 ???? ????Water pollution is caused by.... (Answer : B)
???????? ???????? ???????????? a) a) CO ????b) b) Fertilizers ????c) c) PAN ????d)d) Fossil f uels
???????????? 408 ???? ????What are the chemicals that lead to acid r ain? (Answer : B)
???????? ???????? ???????????? a) A) hydrogen peroxide ????b) B) sulf ur dioxide & nitrogen oxide ????c) C) Carbon dioxide ????d)D)
Ammonium phosphate & various silicates.
???????????? 409 ???? ????What causes acid r ain? (Answer : B)
???????? ???????? ???????????? a) A) open def ecation ????b) B) burning of f ossil f uels ????c) C) increase spread of paddy fields ????d)D)
the use of cowdung.
???????????? 410 ???? ????What is ?Black Lung?? (Answer : A)
???????? ???????? ???????????? a) Occupational Hazard to the miners b ????b) Occupational Hazard to navigators c ????c) Occupational
Hazard to pesticide applicators. d ????d)None of these
???????????? 411 ???? ????What is ?tempor ary threshold shift?? (Answer : A)
???????? ???????? ???????????? a) Hearing loss due to excessive noise b ????b) Noise that is untoler able c ????c) T oler able noise d
????d)inaudible noise
???????????? 412 ???? ????What is Bagasse? What is it used f or? (Answer : A)
???????? ???????? ???????????? a) Sugar cane waste ? to make paper b ????b) Biogas ? used as f uel c ????c) Liquid waste ? as f ertilizer d
????d)Vermi compost ? as f ertilizer
???????????? 413 ???? ????What is Carcinogen? (Answer : C)
???????? ???????? ???????????? a) Drugs f or curing inf ectious disease b ????b) Drugs used f or curing cancer c ????c) Cancer causing
agent d ????d)Food colour ants
???????????? 414 ???? ????What is GIS? (Answer : A)
???????? ???????? ???????????? a) Geogr aphical Inf ormation System (b ????b) Geological Inf ormation System (c ????c) Geogr aphical Index
System (d ????d)Geogr aphical Inf ormation Status
???????????? 415 ???? ????What is meant by GM f oods? (Answer : B)
???????? ???????? ???????????? a) Growth modified f oods b ????b) Genetically modified f ood c ????c) Growth marked f oods d ????d)Good
mobility f ood
???????????? 416 ???? ????What is the aver age increase in temper ature over last century? (Answer : D)
???????? ???????? ???????????? a) a) 0.6 ????b) b) 0.2 ????c) c) 0.7 ????d)d) 0.8
???????????? 417 ???? ????Where was the Stockholm conf erence on Human Environment held? (Answer : A)
???????? ???????? ???????????? a) Sweden b ????b) Austria c ????c) India d ????d)Greece
???????????? 418 ???? ????Which among the f ollowing is a water borne disease? (Answer : A)
???????? ???????? ???????????? a) Choler a ????b) (b) Tuberculosis ????c) (c) AIDS ????d)(d) Dermatitis
???????????? 419 ???? ????Which blood cells get af f ected by HIV? (Answer : B)
???????? ???????? ???????????? a) RBC ????b) (b) Lymphocytes ????c) (c) Monocytes ????d)(d) Basophil
???????????? 420 ???? ????Which group of mosquitoes are the vectors of malaria? (Answer : C)
???????? ???????? ???????????? a) Culex ????b) (b) Aedes ????c) (c) Anopheles ????d)(d)Mansonia
???????????? 421 ???? ????Which heavy metal is the cause f or black f oot disease? (Answer : B)
???????? ???????? ???????????? a) Cadmium ????b) (b) Arsenic ????c) (c) Mercury ????d)(d) Lead
???????????? 422 ???? ????Which is the first state in India that enf orced a ban to the manuf acture and use of plastics (Answer :
C)
???????? ???????? ???????????? a) Ker ala ????b) West Bangal ????c) Uttarpr adesh ????d)Delhi
???????????? 423 ???? ????Which is the warmest year on record? (Answer : D)
???????? ???????? ???????????? a) a) 1998 ????b) b) 2010 ????c) c) 2015 ????d)d) 2016
???????????? 424 ???? ????Which of the f ollowing is considered a nuclear disaster ? (Answer : D)
???????? ???????? ???????????? a) a) Bhopal Tr agedy of 1984 ????b) b) Chernobyl USSR ????c) c) Three mile incident ????d)d) both b & c
???????????? 425 ???? ????Which one is an example f or megacity in India? (Answer : B)
???????? ???????? ???????????? a) Kochi ????b) (b) Mumbai ????c) (c) Bangalore ????d)(d) Madr as359.
???????????? 426 ???? ????Which one is the permanent sterilization method used f or f emales? (Answer : A)
???????? ???????? ???????????? a) Tubectomy ????b) (b) Vasectomy ????c) (c) Microtomy ????d)(d) Contr aceptive pills
???????????? 427 ???? ????Which state proposed a ban on all types of polythene packing f or the first time in India? (Answer : A)
???????? ???????? ???????????? a) Himachal Pr adesh b ????b) Madhya Pr adesh c ????c) Ker ala d ????d)Karnataka
???????????? 428 ???? ????Which year was declared as the ?Water Year? by Indian government (Answer : C)
???????? ???????? ???????????? a) 2010 b ????b) 2004 c ????c) 2007 d ????d)2000
???????????? 429 ???? ????Who coined the slogan of ?Chipko Movement ? Ecology is Permanent economy (Answer : C)
???????? ???????? ???????????? a) Jawaharlal Nehru b ????b) Salim Ali c ????c) Sunderlal Bahuguna d ????d)Rachel Carson
???????????? 430 ???? ????Who had stated in the Stockholm Conf erence in 1972 that poverty was the greatest polluter? (Answer :
A)
???????? ???????? ???????????? a) Indir a Gandhi b ????b) Mahatma Gandhi c ????c) Ra jiv Gandhi d ????d)Jawaharlal Nehru
???????????? 431 ???? ????Wild lif e protection act was f ormulated during the period of ______ (Answer : A)
???????? ???????? ???????????? a) Mrs. Indir a Gandhi b ????b) Lal Bahadur Shasthri c ????c) Ra jiv Gandhi d ????d)Mor ar ji Desai
???????????? 432 ???? ????With the signing of ---------------------- in 1987, a treaty f or the protection (Answer : D)
???????? ???????? ???????????? a) of ozone layer, the use of -------------- was to be banned by the year ............. ????b) a) Kyoto Protocol,
f ossil f uels, 2010 b) GATT, opium, 2000 ????c) c) BOLT, Ammonia, 2000 ????d)d) Montreal Protocol, CFCs, 2000
???????????? 433 ???? ????World Earth Day is observed on (Answer : D)
???????? ???????? ???????????? a) May 24 b ????b) July 5 c ????c) Aug 2 d ????d)April 22
???????????? 434 ???? ????World environment day is observed every year marks the anniversary of (Answer : B)
???????? ???????? ???????????? a) a) Ramsar Convention-1971 ????b) b) Stockholm conf erence-1972 ????c) c) Rio de Janerio Earth
Summit-1992 ????d)d) Indian Forest Conservation Act -1982
???????????? 435 ???? ????World Water Day is celebr ated on ___________ (Answer : C)
???????? ???????? ???????????? a) May 22 b ????b) June 05 c ????c) March 22 d ????d)May 11
???????????? 436 ???? ????Expand GIS (Answer : A)
???????? ???????? ???????????? a) Geogr aphical Inf ormation System ????b) Geogr aphical Inf ormation Source ????c) Geological
Inf ormation System ????d)Geological Index System
???????????? 437 ???? ????MoEF means (Answer : B)
???????? ???????? ???????????? a) Ministry of Forest and Energy ????b) Ministry of Environment and Forests ????c) Ministry of Fuel and
Energy ????d)Management of Environment and Forestry
???????????? 438 ???? ????Ozone layer is present in (Answer : B)
???????? ???????? ???????????? a) Troposphere ????b) Str atosphere ????c) Mesosphere ????d)Ionosphere
???????????? 439 ???? ????Sedimentation is a (Answer : A)
???????? ???????? ???????????? a) Primary water treatment ????b) Secondary water treatment ????c) Tertiary water treatment ????d)None
of these
???????????? 440 ???? ????Rain during November is more acidic than monsoon r ain due to (Answer : B)
???????? ???????? ???????????? a) Dissolved CO2 ????b) Dissolved SO2 ????c) Dissolved NO2 ????d)None of the above.
???????????? 441 ???? ????Which chemical was responsible f or Bhopal gas tr agedy? (Answer : A)
???????? ???????? ???????????? a) Methyl iso Cyanate ????b) Benzene Hexa Chloride ????c) Tri Nitro T oluene ????d)B & C
???????????? 442 ???? ????Ganga Action Plan in India was launched in the year _________ (Answer : B)
???????? ???????? ???????????? a) 1988 ????b) 1985 ????c) 1980 ????d)1978
???????????? 443 ???? ????What is the name of the action plan f or sustainable development in the Twenty first century fr amed
in the Rio Declar ation on Environment & Development (1992)? (Answer : B)
???????? ???????? ???????????? a) Action 21 ????b) Agenda 21 ????c) Rio 21 ????d)Declar ation 21
???????????? 444 ???? ????The unit of measurement of intensity of sound is in _________ (Answer : A)
???????? ???????? ???????????? a) Decibels ????b) Lux ????c) Parsec ????d)Candela
???????????? 445 ???? ????Enrichment of water body by nutrients like phosphorus and nitrogen called ____________________
(Answer : B)
???????? ???????? ???????????? a) Succession ????b) Eutrophication ????c) Str atification ????d)Climax Vegetation
???????????? 446 ???? ????The worst nuclear accident happened to date is occurred at ___________ (Answer : A)
???????? ???????? ???????????? a) Chernobyl in 1986 ????b) Three Mile Power Plant in 1979 ????c) Sellafield in 1957 ????d)Fukushima in 2011
???????????? 447 ???? ????Ma jor cause of Ozone depletion is due to which chemical? (Answer : A)
???????? ???????? ???????????? a) ChloroFluoroCarbons ????b) Polyphenols ????c) Dioxins ????d)Rayon
???????????? 448 ???? ????The legally binding international agreement to reduce Greenhouse gases by 5% 2012 is _________
(Answer : C)
???????? ???????? ???????????? a) Vienna convention ????b) Montreal Protocol ????c) Kyoto Protocol ????d)None of the above
???????????? 449 ???? ????Which of the f ollowing enhances soil f ertility? (Answer : A)
???????? ???????? ???????????? a) Crop rotation ????b) Improved methods of agriculture ????c) Using new seed varieties ????d)Irrigation
???????????? 450 ???? ????Salinization is ______________________ (Answer : B)
???????? ???????? ???????????? a) Accumulation of salts in water ????b) Accumulation of salts in soil ????c) Accumulation of salts in body
????d)Accumulation of salts in animals
???????????? 451 ???? ????What is oil slick? (Answer : C)
???????? ???????? ???????????? a) Boiled oil ????b) Cooled oil ????c) Thin film of oil in sea water ????d)Oil in deep sea
???????????? 452 ???? ????Cigarette smoking exposes one to __________ (Answer : D)
???????? ???????? ???????????? a) Sulphur dioxide ????b) Carbon dioxide ????c) Nitrogen peroxide ????d)Carbon monoxide
???????????? 453 ???? ????Ozone Hole is a _____________ (Answer : B)
???????? ???????? ???????????? a) Hole in the atmosphere ????b) Destruction of ozone layer ????c) Hole in the hydrosphere ????d)Hole in
the troposphere
???????????? 454 ???? ????Euro II standard ref ers to _________ (Answer : C)
???????? ???????? ???????????? a) Lowering sulf ur content in f uel ????b) Increasing sulf ur content in f uel ????c) Lowering carbon content
in f uel ????d)increasing carbon content in f uel
???????????? 455 ???? ????What is tempor ary threshold shift? (Answer : A)
???????? ???????? ???????????? a) Hearing loss due to excessive noise ????b) Noise that is untoler able ????c) T oler able noise ????d)Inaudible
noise
???????????? 456 ???? ????Acid is an example of _____________ (Answer : A)
???????? ???????? ???????????? a) Corrosive waste ????b) Inf ectious waste ????c) Radioactive waste ????d)Ignitable waste
???????????? 457 ???? ????Any unf avor able alter ation of the environment may be called as (Answer : B)
???????? ???????? ???????????? a) Eutrophication ????b) Environmental pollution ????c) Biomagnification ????d)Bioaccumulation
???????????? 458 ???? ????The presence of solid, liquid or gaseous compounds, which may not be normally present, or in excess
concentr ation in the atmosphere is called (Answer : A)
???????? ???????? ???????????? a) Air pollution ????b) Water pollution ????c) Soil pollution ????d)Radioactive pollution
???????????? 459 ???? ????The depletion of trees is causing accumulation of (Answer : C)
???????? ???????? ???????????? a) NO2 ????b) SO2 ????c) CO2 ????d)O2
???????????? 460 ???? ????Smog is a (Answer : A)
???????? ???????? ???????????? a) Natur al phenomenon ????b) colourless gas ????c) combination of smoke and f og ????d)None of the
above
???????????? 461 ???? ????Air pollution from automobiles can be controlled by fitting (Answer : C)
???????? ???????? ???????????? a) Electrostatic precipitator ????b) wet scrubber ????c) Catalytic converter ????d)All the above.
???????????? 462 ???? ????Minamata disease is caused by (Answer : B)
???????? ???????? ???????????? a) Lead ????b) Mercurry ????c) Cadmium ????d)Arsenic
???????????? 463 ???? ????Which of the f ollowing is a natur al source of Air pollution? (Answer : D)
???????? ???????? ???????????? a) Acid r ain ????b) Precipitation ????c) Storms ????d)Volcanic eruptions
???????????? 464 ???? ????Ef f ect of carbon monoxide on blood, causing (Answer : D)
???????? ???????? ???????????? a) H2C03 ????b) COHb ????c) C02Hb ????d)HbCO2
???????????? 465 ???? ????Which of the f ollowing is a biodegr adable pollutant? (Answer : B)
???????? ???????? ???????????? a) DDT ????b) Sewage ????c) CFC ????d)Freons
???????????? 466 ???? ????The ma jor green house gas which is responsible f or causing about 60% of the green house ef f ect on
earth among the f ollowing is (Answer : A)
???????? ???????? ???????????? a) Carbon monoxide ????b) Methane ????c) NOx ????d)Carbon dioxide
???????????? 467 ???? ????Which of the f ollowing is not pollutant causing water pollution? (Answer : A)
???????? ???????? ???????????? a) Biodegr adable organic waste ????b) Non biodegr adable organic chemicals ????c) Inorganic substances
????d)None of these
???????????? 468 ???? ????BOD is a measure of (Answer : C)
???????? ???????? ???????????? a) Non biodegr adable organic matter ????b) Biodegr adable organic matter ????c) Both (a) and (b)
????d)None of these
???????????? 469 ???? ????Which among the f ollowing is not a primary air pollutant? (Answer : A)
???????? ???????? ???????????? a) Oxides of nitrogen ????b) Volatile organic compounds like hydrocarbons ????c) Suspended particulate
matter ????d)PAN
???????????? 470 ???? ????Longer exposure to NO2 even in small concentr ations may cause disease pertaining to (Answer : A)
???????? ???????? ???????????? a) Liver ????b) Lungs ????c) Kidneys ????d)Heart
???????????? 471 ???? ????Carbon dioxide reacts with moisture in the atmosphere f orming (Answer : A)
???????? ???????? ???????????? a) H2C02 ????b) H2C03 ????c) COHb ????d)CaHC03
???????????? 472 ???? ????Global worming means (Answer : A)
???????? ???????? ???????????? a) Increase in solar r adiation ????b) Increase in Earths Body Temper ature ????c) Acid Rain ????d)All the
above.
???????????? 473 ???? ????Which of the f ollowing is not a Green House Gas? (Answer : A)
???????? ???????? ???????????? a) Ozone ????b) C02 ????c) Water vapour ????d)SO2
???????????? 474 ???? ????Which of the f ollowing is not a solution f or Global worming? (Answer : A)
???????? ???????? ???????????? a) Reducing f ossil f uel consumption ????b) Plantation of more Trees ????c) Def orestation ????d)None of the
above
???????????? 475 ???? ????Global warming af f ects (Answer : A)
???????? ???????? ???????????? a) Food production ????b) Melting of glaciers ????c) Climate change ????d)All of these
???????????? 476 ???? ????The protocol that reduces green house gas emissions is (Answer : A)
???????? ???????? ???????????? a) Kyoto protocol ????b) Cartagena protocol ????c) Montreal protocol ????d)Vienna protocol
???????????? 477 ???? ????Important sources of land pollution are (Answer : A)
???????? ???????? ???????????? a) Industrial Wastes ????b) Agricultur al Wastes ????c) Both a & b ????d)None of the above
???????????? 478 ???? ????Green House ef f ect causes (Answer : A)
???????? ???????? ???????????? a) Rise in temper ature of earth ????b) Increase in r ainf all ????c) Lowering of acid r ain ????d)Lowering in
temper ature of earth
???????????? 479 ???? ????Climate and global air circulations are mainly af f ected by the properties of (Answer : A)
???????? ???????? ???????????? a) Water and air ????b) Temper ature ????c) Precipitation ????d)None of the above
???????????? 480 ???? ????Global atmospheric temper atures are likely to be increased due to (Answer : A)
???????? ???????? ???????????? a) Water pollution ????b) Burning of f ossil f uels ????c) Soil erosion ????d)None of the above
???????????? 481 ???? ????What is the maximum allowable concentr ation of fluorides in drinking water? (Answer : A)
???????? ???????? ???????????? a) 3.0 mg/L ????b) 2.5 mg/L ????c) 2.0 mg/L ????d)1.5mg/L
???????????? 482 ???? ????Domestic sewage is (Answer : A)
???????? ???????? ???????????? a) Waste water gener ated from kitchens and bathrooms ????b) Waste water from industries ????c)
Waste water from residential areas ????d)None of the above
???????????? 483 ???? ????The noise is measured in (Answer : A)
???????? ???????? ???????????? a) Decibels ????b) Joule ????c) ppm ????d)Celsius
???????????? 484 ???? ????The main impact of urbanization on plant and animal lif e is (Answer : A)
???????? ???????? ???????????? a) Increase in species ????b) Mutation in species ????c) Both (a) and (b) ????d)Loss of species
???????????? 485 ???? ????Smog is f ormed by the reaction of which air pollutants (Answer : A)
???????? ???????? ???????????? a) Smoke and Mist ????b) Smoke and Fog ????c) Smoke and Bio-Gas ????d)Smoke and Dust
???????????? 486 ???? ????Contribution of carbon dioxide to global warming from industries (Answer : A)
???????? ???????? ???????????? a) 0.5 ????b) 0.24 ????c) 0.25 ????d)0.75
???????????? 487 ???? ????Which of the f ollowing gas is not concern to green house ef f ect? (Answer : A)
???????? ???????? ???????????? a) C02 ????b) CH4 ????c) S02 ????d)Water Vapour
???????????? 488 ???? ????During green house ef f ect, carbon dioxide and water vapours absorbs (Answer : A)
???????? ???????? ???????????? a) Short wave r adiations ????b) Long wave r adiations ????c) Solar r adiation ????d)UV r adiations
???????????? 489 ???? ????Acid r ains are more prominent in (Answer : A)
???????? ???????? ???????????? a) Temper ate regions ????b) Tropical regions ????c) Arid regions ????d)Equally prominent in all
???????????? 490 ???? ????The important gaseous pollutants contributing to acid r ain are (Answer : A)
???????? ???????? ???????????? a) S02andNOx ????b) C02 and H2S ????c) NOxand03 ????d)None of the above
???????????? 491 ???? ????The ozone depletion in the str atosphere is chiefly caused by the release of (Answer : A)
???????? ???????? ???????????? a) Chlorofluoro carbons ????b) Carbon dioxide ????c) Methane ????d)None of the above
???????????? 492 ???? ????The highest value of Acid Rain Recorded was: (Answer : A)
???????? ???????? ???????????? a) 4.5 ????b) 5.7 ????c) 7.2 ????d)2
???????????? 493 ???? ????Movement of Nutrients from the soil by the Acid Rain is called: (Answer : A)
???????? ???????? ???????????? a) Infiltr ation ????b) Tr anspir ation ????c) Leaching ????d)Exfiltr ation
???????????? 494 ???? ????The term acid r ain was coined in the year (Answer : A)
???????? ???????? ???????????? a) 1952 ????b) 1852 ????c) 1652 ????d)1752
???????????? 495 ???? ????The ma jor contributors to the acid r ain are known as (Answer : A)
???????? ???????? ???????????? a) Precursors ????b) Processors ????c) Protons ????d)Pollutants
???????????? 496 ???? ????Primary cause of acid r ain around the world is due to (Answer : A)
???????? ???????? ???????????? a) Carbon dioxide ????b) suphur dioxide ????c) carbon monoxide ????d)Ozone
???????????? 497 ???? ????Ma jor compounds responsible f or the destruction of Ozone layer is (Answer : A)
???????? ???????? ???????????? a) Oxygen ????b) CFC ????c) CO2 ????d)CH4
???????????? 498 ???? ????Which of the f ollowing is the remedial measure f or acid r ain? (Answer : A)
???????? ???????? ???????????? a) Reducing the release of oxides of nitrogen and sulphur into the atmosphere ????b) Use of coal, free
from sulphur ????c) Use of electrostatic precipitator and catalytic converters ????d)All of the above
???????????? 499 ???? ????The pH of acid r ain is (Answer : A)
???????? ???????? ???????????? a) Less than 5.7 ????b) Less than 3.7 ????c) Less than 1.7 ????d)Less than 2.7
???????????? 500 ???? ????Acid r ain af f ects (Answer : A)
???????? ???????? ???????????? a) Materials ????b) Plants ????c) Soil ????d)All of the above
???????????? 501 ???? ????Ozone layer is measured in (Answer : A)
???????? ???????? ???????????? a) Centimeters ????b) Millimeters ????c) Decibels ????d)Dobson Units
???????????? 502 ???? ????Animal husbandry may result in (Answer : A)
???????? ???????? ???????????? a) Global warming ????b) Ozone depletion ????c) Genetic Damage ????d)None of the above
???????????? 503 ???? ????Freons are called (Answer : A)
???????? ???????? ???????????? a) Hydrocarbons ????b) Ozone ????c) Methane ????d)Solvents
???????????? 504 ???? ????Karnataka State Pollution Control Board was established in the year (Answer : A)
???????? ???????? ???????????? a) 1974 ????b) 1976 ????c) 1982 ????d)1986
???????????? 505 ???? ????Amount of CO2 content in atmospheric Air is normally (Answer : A)
???????? ???????? ???????????? a) 0.0021 ????b) 0.416% ????c) 0.318% ????d)0.428%
???????????? 506 ???? ????EPA means (Answer : A)
???????? ???????? ???????????? a) Environmental Prevention Act ????b) Environmental Protection Act ????c) Environmental Pollution Act
????d)Environmental Protection Agency
???????????? 507 ???? ????Which of the f ollowing is the authority to monitor state industrial ef fluents? (Answer : A)
???????? ???????? ???????????? a) Centre f or science and development ????b) State pollution control board ????c) Indian environmental
association ????d)None of these
???????????? 508 ???? ????Environmental education is targeted to (Answer : A)
???????? ???????? ???????????? a) Gener al public ????b) Technicians and scientists ????c) Prof essional social groups ????d)All of these
???????????? 509 ???? ????Environment Protection Act of 1986 is meant f or (Answer : A)
???????? ???????? ???????????? a) Waste management ????b) Desert management ????c) Forest management ????d)Protection of human
environment including human, plants, animals and property
???????????? 510 ???? ????World environment day is celebr ated on (Answer : A)
???????? ???????? ???????????? a) June 5th ????b) November 5th ????c) December 5th ????d)April 5th
???????????? 511 ???? ????The air prevention and control of pollution Act was enacted in the year (Answer : A)
???????? ???????? ???????????? a) 1987 ????b) 1974 ????c) 1981 ????d)1986
???????????? 512 ???? ????The first ma jor environmental protection law promulgated in India was (Answer : A)
???????? ???????? ???????????? a) Environmental Act ????b) Water Act ????c) Air Act ????d)None of these
???????????? 513 ???? ????Water Pollution, Prevention and Control Act was enacted in the year (Answer : A)
???????? ???????? ???????????? a) 1984 ????b) 1974 ????c) 1986 ????d)1994
???????????? 514 ???? ????Environmental protection is the responsibility of (Answer : A)
???????? ???????? ???????????? a) Government of India ????b) NGOs ????c) Individuals ????d)All of the above
???????????? 515 ???? ????Environmental protection is a f undamental duty of the citizen of India under the (Answer : A)
???????? ???????? ???????????? a) Article 51-A(g) ????b) 48-A ????c) 47 ????d)21
???????????? 516 ???? ????The environmental (protection) act of India was enacted in the year (Answer : A)
???????? ???????? ???????????? a) 1956 ????b) 1966 ????c) 1986 ????d)1996
???????????? 517 ???? ????Name the disease caused by mercury poisoning in Japan (Answer : D)
???????? ???????? ???????????? a) Itai itai ????b) Xeroderma pigmentosum ????c) Measles ????d)Minamata disease
???????????? 518 ???? ????The place where the worst nuclear disaster took place? (Answer : B)
???????? ???????? ???????????? a) Washington ????b) Chernobyl ????c) Bhopal ????d)Japan
???????????? 519 ???? ????Aquatic lif e is damaged by (Answer : C)
???????? ???????? ???????????? a) Sound pollution ????b) Air Pollution ????c) Thermal pollution ????d)All of these
???????????? 520 ???? ????Acid r ain mainly result from (Answer : A)
???????? ???????? ???????????? a) Sulf ur dioxide ????b) Carbon dioxide ????c) Carbon monoxide ????d)Ammonia
???????????? 521 ???? ????Ozone depletion is mostly caused by (Answer : C)
???????? ???????? ???????????? a) CO2 ????b) Ccl ????c) CFCs ????d)CO
???????????? 522 ???? ????BOD of a river water is f ound very high. This means water (Answer : B)
???????? ???????? ???????????? a) Is clear ????b) Is highly polluted ????c) Contain Algae ????d)Contain many dissolved miner als
???????????? 523 ???? ????Global warming is caused by (Answer : A)
???????? ???????? ???????????? a) GHGs ????b) CFCs ????c) CH4 ????d)NO2
???????????? 524 ???? ????The darkening of the skin due to arsenic poisoning is called (Answer : B)
???????? ???????? ???????????? a) Black syndrome ????b) Dif f use melanosis ????c) Skin scaling ????d)None of these
???????????? 525 ???? ????Boron, Zinc and Manganese are usually ref erred to as (Answer : A)
???????? ???????? ???????????? a) Micronutrients ????b) Macronutrients ????c) Soil Vitamins ????d)MBZ nutrients
???????????? 526 ???? ????Inciner ation of Municipal waste involves (Answer : A)
???????? ???????? ???????????? a) Oxidation ????b) Deduction ????c) Redox action ????d)Disintegr ation
???????????? 527 ???? ????The f amous Minamata disease in Japan is due to the accumulation of____________in fishes (Answer : B)
???????? ???????? ???????????? a) Cadmium ????b) Mercurry ????c) Zinc ????d)Lead
???????????? 528 ???? ????Soil pollution is caused by (Answer : C)
???????? ???????? ???????????? a) Aerosol ????b) Ozone ????c) Acid Rain ????d)PAN
???????????? 529 ???? ????Green House ef f ect is caused by (Answer : A)
???????? ???????? ???????????? a) Increase in CO2 ????b) Increase in O2 ????c) Decrease in O2 ????d)Decrease in CO2
???????????? 530 ???? ????_____________ is the poisonous gas leaked during Bhopal gas tr agedy (Answer : A)
???????? ???????? ???????????? a) MIC ????b) PVC ????c) Teflon ????d)Hydrogen Sulphide
???????????? 531 ???? ????The term Nuclear winter is associated with (Answer : D)
???????? ???????? ???????????? a) Nuclear War ????b) Nuclear disarmament ????c) Nuclear weapon testing ????d)After ef f ect of a nuclear
explosion
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???????????? 12 ???? ????World Environment Day (Answer : A)
???????? ???????? ???????????? a) 5th June ????b) 5th July ????c) 5th August ????d)5th September
???????????? 13 ???? ????The biggest award f or environmental activities in India is given in the name of an individual. In whose
name is it constituted? (Answer : C)
???????? ???????? ???????????? a) Lal Bahadur Shasthri ????b) Mor ar ji Desai ????c) Indir a Gandhi ????d)Kamar a j.
???????????? 14 ???? ????All f orms of water that comes down on Earth, including r ain, snow, hail etc. is known as _____________
(Answer : C)
???????? ???????? ???????????? a) Calcification ????b) Fixation ????c) Precipitation ????d)Accumulation
???????????? 15 ???? ????The ocean covers ________ percentage of Earth?s surf ace. (Answer : C)
???????? ???????? ???????????? a) 515 ????b) 0.61 ????c) 0.71 ????d)0.91
???????????? 16 ???? ????The portion of the earth and its environment which can support lif e is known as _________ (Answer : B)
???????? ???????? ???????????? a) Crust ????b) Biosphere ????c) Exosphere ????d)Atmosphere
???????????? 17 ???? ????What is troposphere? (Answer : C)
???????? ???????? ???????????? a) Portion of air ????b) Portion of water ????c) Lowest layer of atmosphere where we survive
????d)Portion of sky
???????????? 18 ???? ????The main energy source f or the environment is ________ (Answer : A)
???????? ???????? ???????????? a) Solar energy ????b) Chemical energy ????c) Bioelectric energy ????d)Electrical energy
???????????? 19 ???? ????What is UNCED? (Answer : C)
???????? ???????? ???????????? a) United Nations Conf erence on Education ????b) United Nations Conf erence on Environmental Day
????c) United Nations Conf erence on Environment and Development ????d)None of these.
???????????? 20 ???? ????Atmospheric humidity is measured by (Answer : C)
???????? ???????? ???????????? a) Auxanometer ????b) Photometer ????c) Hygrometer ????d)None
???????????? 21 ???? ????The area to which a species is biologically adapted to live is known (Answer : B)
???????? ???????? ???????????? a) Niche ????b) Habitat ????c) Succession ????d)Community
???????????? 22 ???? ????Study of inter-relationship between organisms and their environment is called (Answer : A)
???????? ???????? ???????????? a) Ecology ????b) Ecosystem ????c) Phytogeogr aphy ????d)Ethology
???????????? 23 ???? ????The term Ecology was coined by (Answer : B)
???????? ???????? ???????????? a) A.G.Tansley ????b) Earnst Haeckel ????c) Aristotle ????d)Linnaeus
???????????? 24 ???? ????An example of an abiotic component (Answer : B)
???????? ???????? ???????????? a) Plants ????b) Soil ????c) Animals ????d)Bacteria
???????????? 25 ???? ????The area to which a species is biologically adapted to live is known (Answer : B)
???????? ???????? ???????????? a) Niche ????b) Habitat ????c) Succession ????d)Community
???????????? 26 ???? ????The objective of environmental education is (Answer : D)
???????? ???????? ???????????? a) Raise consciousness about environmental education ????b) T o teach environmentally appropriate
behaviour ????c) Create an environmental ethic that f osters awareness about ecological inter-dependence of economics,
social and political ????d)All of the above
???????????? 27 ???? ????Which of the f ollowing is not influenced by human activities? (Answer : A)
???????? ???????? ???????????? a) Depletion of ground water ????b) Destruction of mangroves and wetlands ????c) Increased extinction
r ate of species ????d)None of the above
???????????? 28 ???? ????Environmental education is important only at (Answer : D)
???????? ???????? ???????????? a) Primary school stage ????b) Secondary school stage ????c) Collage stage ????d)All stages
???????????? 29 ???? ????Which of the f ollowing conceptual components of the environment are ef f ective tr ansporters of
matter? (Answer : A)
???????? ???????? ???????????? a) Atmosphere and hydrosphere ????b) (b) Atmosphere and lithosphere ????c) (c) Hydrosphere and
lithosphere ????d)(d) Lithosphere and biosphere
???????????? 30 ???? ????Biosphere is (Answer : B)
???????? ???????? ???????????? a) (a) The solid shell of inorganic materials on the surf ace of the Earth ????b) (b) The thin shell of
organic matter on the surf ace of earth comprising of all the living things ????c) (c) The sphere which occupies the
maximum volume of all the spheres ????d)(d) All of the above
???????????? 31 ???? ????Which of the f ollowing conceptual sphere of the environment is having the least stor age capacity f or
matter? (Answer : A)
???????? ???????? ???????????? a) (a) Atmosphere ????b) (b) Lithosphere ????c) (c) Hydrosphere ????d)(d) Biosphere
???????????? 32 ???? ????Which of the f ollowing is an example of impact of development activities on the Hydrosphere? (Answer
: D)
???????? ???????? ???????????? a) (a) Air pollution ????b) (b) Soil pollution ????c) (c) Soil erosion ????d)(d) Water pollution
???????????? 33 ???? ????Weather occurs in the Earths: (Answer : A)
???????? ???????? ???????????? a) (a) Troposhere ????b) (b) Mesophere ????c) (c) Ionosphere ????d)(d) Thermosphere
???????????? 34 ???? ????Biosphere is a term used to represent the: (Answer : C)
???????? ???????? ???????????? a) (a) Entire atmosphere consisting of troposphere, str atosphere, mesosphere, and thermosphere
????b) (b) Entire hydrosphere-representing the entire collection of water over the Earth as well as inside the Earth ????c) (c)
A small zone of Earth, where the lithosphere, hydrosphere, and atmosphere come in contact with one another ????d)(d)
Entire lithosphere-representing the solid Earth and its interior
???????????? 35 ???? ????The term ecology was introduced by: (Answer : A)
???????? ???????? ???????????? a) (a) Haeckel ????b) (b) Odum ????c) (c) Tansely ????d)(d) Ramdeo Mishr a
???????????? 36 ???? ????The study of inter actions between living and non-living organisms and environment is called (Answer :
B)
???????? ???????? ???????????? a) (a) Ecosystem ????b) (b) Ecology ????c) (c) Phyto-geogr aphy ????d)(d) Phytosociology
???????????? 37 ???? ????An ecosystem consist of (Answer : D)
???????? ???????? ???????????? a) (a) Green plants and animals ????b) (b) Green plants and decomposers ????c) (c) Producers and
consumers ????d)(d) Green plants, animals, decomposers and abiotic environment
???????????? 38 ???? ????The environment which has been modified by human activities is called (Answer : B)
???????? ???????? ???????????? a) (a) Natur al environment ????b) (b) Anthropogenic environment ????c) (c) Modem environment ????d)(d)
Urban environment
???????????? 39 ???? ????Which of the f ollowing statements is not true? (Answer : C)
???????? ???????? ???????????? a) (a) Inorganic nutrients are recycled in an ecosystem ????b) (b) Energy flows through the ecosystem
in the f orm of C-C bonds ????c) (c) Energy is recycled in an ecosystem ????d)(d) Respir ation process releases energy
???????????? 40 ???? ????Driving f orce in an ecosystem is (Answer : C)
???????? ???????? ???????????? a) (a) Plants ????b) (b) Producers ????c) (c) Solar energy ????d)(d) Biomass energy
???????????? 41 ???? ????Physical and chemical components of an ecosystem constitute (Answer : C)
???????? ???????? ???????????? a) (a) Biotic structure ????b) (b) Abioltic structure ????c) (c) Both of these ????d)(d) None of these
???????????? 42 ???? ????Which one of the f ollowing is an abiotic component of the ecosystem? (Answer : C)
???????? ???????? ???????????? a) (a) Bacteria ????b) (b) Plants ????c) (c) Humus ????d)(d) Fungi
???????????? 43 ???? ????Which of the f ollowing is a possible producer in an ecosystem? (Answer : A)
???????? ???????? ???????????? a) (a) Plants ????b) (b) Animals ????c) (c) Human beings ????d)(d) Fish
???????????? 44 ???? ????The organisms which f eed on dead organisms and excreta of living organisms are known (Answer : A)
???????? ???????? ???????????? a) (a) Decomposers ????b) (b) Consumers ????c) (c) Producers ????d)(d) Carnivores
???????????? 45 ???? ????A trophic level ref ers to: (Answer : C)
???????? ???????? ???????????? a) (a) Area in the tropics ????b) (b) An organism?s portion in a f ood chain ????c) (c) An organism?s
position in an ecosystem ????d)(d) An organism?s position in a biome
???????????? 46 ???? ????In a f ood chain animals constitute the: (Answer : C)
???????? ???????? ???????????? a) (a) First trophic level ????b) (b) Second trophic level ????c) (c) Intermediate trophic level ????d)(d)
Ultimate trophic level
???????????? 47 ???? ????The f ood chain in which microorganisms breakdown dead producers is called: (Answer : D)
???????? ???????? ???????????? a) (a) Consumer f ood chain ????b) (b) Predator f ood chain ????c) (c) Par asitic f ood chain ????d)(d) Detritus
f ood chain
???????????? 48 ???? ????Food chain starts with (Answer : A)
???????? ???????? ???????????? a) (a) Producer ????b) (b) Herbivores ????c) (c) Carnivores ????d)(d) Omnivores
???????????? 49 ???? ????In a f ood chain, humans are (Answer : D)
???????? ???????? ???????????? a) (a) Secondary consumers ????b) (b) Primary consumer ????c) (c) Producers ????d)(d) Primary and
secondary consumers both
???????????? 50 ???? ????Which one is the correct f ood chain? (Answer : A)
???????? ???????? ???????????? a) (a) Phytoplankton ?? Zooplankton ?? Fish ????b) (b) Zooplankton ?? Phytoplankton ?? Fish ????c)
(c) Zooplankton ?? Protozoans ?? Fish ????d)(d) Gr ass ?? Fish ?? Zooplankton
???????????? 51 ???? ????A f ood web consists of (Answer : A)
???????? ???????? ???????????? a) (a) Interlocking f ood chains ????b) (b) Producers, consumers and decomposers ????c) (c) A portion of
a f ood chain ????d)(d) A set of similar consumers
???????????? 52 ???? ????Food webs are (Answer : C)
???????? ???????? ???????????? a) (a) One kind of f ood ????b) (b) Not related to f ood chains at all ????c) (c) Inter-connected arr angement
of f ood chains ????d)(d) Linear arr angement of f ood chains
???????????? 53 ???? ????Pyr amid of number is given by (Answer : C)
???????? ???????? ???????????? a) (a) Haeckel ????b) (b) Odum ????c) (c) Elton ????d)(d) Tansely
???????????? 54 ???? ????Which ecological pyr amid is always upright? (Answer : C)
???????? ???????? ???????????? a) (a) Pyr amid of number ????b) (b) Pyr amid of biomass ????c) (c) Pyr amid of energy ????d)(d) Pyr amid of
number and biomass
???????????? 55 ???? ????An ecological pyr amid ref ers to the (Answer : D)
???????? ???????? ???????????? a) (a) Pyr amid of energy ????b) (b) Pyr amid of number ????c) (c) Pyr amid of biomass ????d)(d) All of the
above
???????????? 56 ???? ????An ecosystem may not undergo changes because: (Answer : A)
???????? ???????? ???????????? a) (a) It is in a state of homeostasis ????b) (b) It has plants and animals both ????c) (c) It gets solar
energy continuously ????d)(d) The decomposers are present in it
???????????? 57 ???? ????Energy flow in an ecosystem is always: (Answer : A)
???????? ???????? ???????????? a) (a) Unidirectional ????b) (b) Cyclic ????c) (c) Reversible ????d)(d) Multi-directional
???????????? 58 ???? ????The primary producers in a f orest ecosystem are: (Answer : A)
???????? ???????? ???????????? a) (a) Chlorophyll containing trees and plants ????b) (b) Herbivores ????c) (c) Carnivores ????d)(d) Bacteria
and other micro-organism
???????????? 59 ???? ????The desert among the f ollowing which is not a cold desert is: (Answer : D)
???????? ???????? ???????????? a) (a) Golbi desert ????b) (b) Patagonian desert ????c) (c) Atacama desert ????d)(d) Ma java desert
???????????? 60 ???? ????The darker zone in lakes where light penetr ation is negligible is called the: (Answer : D)
???????? ???????? ???????????? a) (a) Euphotic zone ????b) (b) Littor al zone ????c) (c) Limnetic zone ????d)(d) Benthic zone
???????????? 61 ???? ????The zone of a sea lying over the continental shelf is known as the: (Answer : B)
???????? ???????? ???????????? a) (a) Bathyl zone ????b) (b) Neritic zone ????c) (c) Abyssal zone ????d)(d) Littor al zone
???????????? 62 ???? ????Which one of the f ollowing is not a fresh water biome? (Answer : A)
???????? ???????? ???????????? a) (a) Lotic ????b) (b) Lentic ????c) (c) Spings ????d)(d) Deep sea
???????????? 63 ???? ????Tendency of pollutants to become concentr ated in successive trophic levels is known as: (Answer : A)
???????? ???????? ???????????? a) (a) Biomagnification ????b) (b) Biorhythm ????c) (c) Bioremediation ????d)(d) Biopir acy
???????????? 64 ???? ????Eutrophication is: (Answer : B)
???????? ???????? ???????????? a) (a) An improved water quality status of lakes ????b) (b) The result of accumulation of plant nutrients
in water bodies ????c) (c) A process in the carbon cycle ????d)(d) A water purification technique
???????????? 65 ???? ????Increase in f auna and decrease in flor a would be harmf ul due to increase in: (Answer : B)
???????? ???????? ???????????? a) (a) Diseases ????b) (b) CO ????c) (c) O2 ????d)(d) Radioactive pollution
???????????? 66 ???? ????The largest reservoir of nitrogen an our planet is: (Answer : B)
???????? ???????? ???????????? a) (a) Ocean ????b) (b) Atmosphere ????c) (c) Biosphere ????d)(d) Fossil f uels
???????????? 67 ???? ????Overgr azing results in: (Answer : A)
???????? ???????? ???????????? a) (a) Soil erosion ????b) (b) Retention of usef ul species ????c) (c) Productive soils ????d)(d) All of the
above
???????????? 68 ???? ????In the world, the economy of the India is: (Answer : D)
???????? ???????? ???????????? a) (a) Largest ????b) (b) Third largest ????c) (c) Second largest ????d)(d) Fourth largest
???????????? 69 ???? ????In services output, India is: (Answer : C)
???????? ???????? ???????????? a) 10 ????b) 12 ????c) 15 ????d)4
???????????? 70 ???? ?????Smog? is a mixture of (Answer : A)
???????? ???????? ???????????? a) a) Smoke and Fog ????b) (b) Snow and Fog ????c) ( c) Snow and Dust ????d)(d) Sulphur Dioxide and
Fog
???????????? 71 ???? ????A liquid f uel that was f ormed from the ancient remains of sea plants and animals is (Answer : B)
???????? ???????? ???????????? a) Natur al gasb ????b) Petroleumc ????c) Geothermal energyd ????d)Coal
???????????? 72 ???? ????A poisonous gas given out of vehicles exhaust is (Answer : A)
a) Carbon monoxideb ????b) Ethanec ????c) Methaned ????d)Carbon dioxide
???????????? 73 ???? ????A product of photosynthesis is (Answer : C)
???????? ???????? ???????????? a) Carbon dioxideb ????b) Waterc ????c) Oxygend ????d)Chlorophyll
???????????? 74 ???? ????Atmosphere consists of 79 percent Nitrogen and 21 percent Oxygen by (Answer : B)
???????? ???????? ???????????? a) Volumeb ????b) Weightc ????c) Densityd ????d)All of these
???????????? 75 ???? ????Biogas contains mainly (Answer : B)
???????? ???????? ???????????? a) Carbon dioxideb ????b) Methanec ????c) Butaned ????d)Propane
???????????? 76 ???? ????Carbon dioxide constitutes about 0.03% of the atmosphere (Answer : A)
???????? ???????? ???????????? a) By volume(b ????b) By weight(c ????c) By mass(d ????d)None of these
???????????? 77 ???? ????Development activities on the hydrosphere cause (Answer : C)
???????? ???????? ???????????? a) Air pollutionb ????b) Soil pollutionc ????c) Water pollutiond ????d)Soil erosion
???????????? 78 ???? ????Energy flow in an ecosystem is (Answer : C)
???????? ???????? ???????????? a) Bidirectionalb ????b) Unidirectionalc ????c) Multidirectionald ????d)All rounds
???????????? 79 ???? ????Energy from the heat inside the earth is (Answer : B)
???????? ???????? ???????????? a) a Natur al gas ????b) Geothermalc ????c) Petroleumd ????d)Terr athermal
???????????? 80 ???? ????Energy in the r ays from the sun is called (Answer : A)
???????? ???????? ???????????? a) Solar energyb ????b) Wind energyc ????c) Tidal energyd ????d)Water energy
???????????? 81 ???? ????Environment is the lif e support system that includes (Answer : D)
???????? ???????? ???????????? a) Airb ????b) Waterc ????c) Landd ????d)All of the above
???????????? 82 ???? ????Extensive planting of trees to increase cover is called (Answer : A)
???????? ???????? ???????????? a) Af f orestation(b ????b) Agrof orestation(c ????c) Def orestation(d ????d)Social f orestry
???????????? 83 ???? ????Extensive planting of trees to increase f orest cover is called (Answer : A)
???????? ???????? ???????????? a) Af f orestation, b ????b) Agrof orestry, c ????c) Def orestation, d ????d)Social f orestry
???????????? 84 ???? ????Forest and wild lif e are (Answer : A)
???????? ???????? ???????????? a) Renewable resource(b ????b) Non-renewable resources (c ????c) Inexhaustible resources (d ????d)None
of these
???????????? 85 ???? ????Forests prevent soil erosion by binding soil particles in their (Answer : B)
???????? ???????? ???????????? a) Leaves(b ????b) Roots(c ????c) Buds(d ????d)Stems
???????????? 86 ???? ????Formation of hole in Ozone is maximum over (Answer : C)
???????? ???????? ???????????? a) Indiab ????b) Europec ????c) Antarcticad ????d)Africa
???????????? 87 ???? ????Fossil f uel and metallic miner als are: (Answer : C)
???????? ???????? ???????????? a) Renewable resource (b ????b) Inexhaustible resources (c ????c) Non-renewable resources (d ????d)None
of these
???????????? 88 ???? ????Green house ef f ect is linked to (Answer : C)
???????? ???????? ???????????? a) Nitrogen oxidesb ????b) Sulphur dioxidesc ????c) Carbon dioxidesd ????d)Carbon monoxides
???????????? 89 ???? ????In our country the percentage of land under f orest is about: (Answer : B)
???????? ???????? ???????????? a) 20%(b ????b) 19%(c ????c) 25%(d ????d)30%
???????????? 90 ???? ????In respect of water crisis, there have been conflicts/disputes between two countries, or states of the
same country. Which of the f ollowing has never been the case of water conflict? (Answer : D)
???????? ???????? ???????????? a) Cauvery water dispute between Tamil Nadu and Karnataka (b ????b) Yamuna-Betwa dispute between
U.P. and M.P. (c ????c) Sutlej Yamuna Link (SYL ????d)canal dispute between Pun jab and Haryana (d
???????????? 91 ???? ????Instrumentation technology used to locate suitable places f or mining (Answer : C)
???????? ???????? ???????????? a) a) Microscope ????b) b) Salinometer ????c) c) GIS ????d)d) camer a tr ap
???????????? 92 ???? ????Kaveri water dispute is in between: (Answer : D)
???????? ???????? ???????????? a) India and Pakistan (b ????b) Pun jab and Haryana (c ????c) Uttar Pr adesh and Madhya Pr adesh (d
????d)Karnataka and Tamil Nadu
???????????? 93 ???? ????Khetri (Ra jasthan) is f amous f or: (Answer : B)
???????? ???????? ???????????? a) Coal mines(b ????b) Copper mines(c ????c) Gr anite stone(d ????d)Marble stone
???????????? 94 ???? ????Main source of acid r ain is (Answer : A)
???????? ???????? ???????????? a) Sulphur dioxideb ????b) Nitrogenc ????c) Carbon dioxided ????d)Carbon monoxide
???????????? 95 ???? ????Ma jor consumer of wood from f orest is ___________ (Answer : B)
???????? ???????? ???????????? a) Thermal Power Plant ????b) Paper Industry ????c) Chemistry Industry ????d)none
???????????? 96 ???? ????Moisture in the air is known as (Answer : D)
???????? ???????? ???????????? a) a) Water ????b) (b) Fog ????c) ( c) Snow ????d)(d) Humidity
???????????? 97 ???? ????Name the country which virtually closed cod fishery in the 1990?s due to depletion of fish reserves
(Answer : A)
???????? ???????? ???????????? a) a) Canada ????b) b) Argentina ????c) c) Italy ????d)d) India
???????????? 98 ???? ????Name the financial agency which hesistate to support the Sardar Sarovar Pro ject in India in 1993 a result
of the demands of local people threatened with the loss of their livelihoods and homes in the submergence area.
(Answer : B)
???????? ???????? ???????????? a) a) Swiss bank ????b) b) World Bank ????c) c) Bank of India ????d)d) International Monetary Fund
???????????? 99 ???? ????Nitrogen constitutes about 78% of the atmosphere (Answer : C)
???????? ???????? ???????????? a) By weight(b ????b) By mass(c ????c) By volume(d ????d)None of these
???????????? 100 ???? ????Noise is measured by sound meter and the unit is (Answer : C)
???????? ???????? ???????????? a) Hertzb ????b) Joulec ????c) Decibeld ????d)Seconds
???????????? 101 ???? ????One of India?s serious environmental problems is f orest degr adation. What is the main cause of f orest
degr adation? (Answer : A)
???????? ???????? ???????????? a) timber extr action ????b) honey extr action ????c) high altitude ????d)Low Rainf all
???????????? 102 ???? ????Ozone day is observed on (Answer : B)
???????? ???????? ???????????? a) 3rd Januaryb ????b) 16th Septemberc ????c) 10th Novemberd ????d)26th March
???????????? 103 ???? ????Ozone Umbrella is located in which layer of atmosphere (Answer : B)
???????? ???????? ???????????? a) a) Troposphere ????b) (b) Str atosphere ????c) (c) Mesosphere ????d)(d) Ionosphere
???????????? 104 ???? ????Peeling of Ozone umbrella, which protects us from UV r ays, is caused by (Answer : B)
???????? ???????? ???????????? a) Carbon monoxideb ????b) CFCsc ????c) Coal burningd ????d)Methane
???????????? 105 ???? ????Soil erosion removes surf ace soil which contains (Answer : A)
???????? ???????? ???????????? a) Organic matterb ????b) Plant nutrientsc ????c) Both a and bd ????d)none of the above
???????????? 106 ???? ????Sustainable development means (Answer : C)
???????? ???????? ???????????? a) a. meeting present needs without compromising on f uture needs ????b) b. progress of human beings
????c) c. balance between human needs and the ability of earth to provide the resources ????d)d. all of the above
???????????? 107 ???? ????The adverse ef f ect of modern agriculture is (Answer : B)
???????? ???????? ???????????? a) Water pollutionb ????b) Soil degr adationc ????c) Water loggingd ????d)All of the above
???????????? 108 ???? ????The f ossil f uel that is derived from the dead remains of plants that grew some 250 million years ago is
(Answer : C)
???????? ???????? ???????????? a) Petroleumb ????b) Natur al gasc ????c) Coald ????d)LPG
???????????? 109 ???? ????The impact of construction of dams (Answer : D)
???????? ???????? ???????????? a) Submerged f orest b ????b) Loss of wild lif e habitat c ????c) Damages downstream ecosystem d ????d)All
of the above
???????????? 110 ???? ????The ma jor cause f or land degr adation in our country is (Answer : A)
???????? ???????? ???????????? a) Soil erosion(b ????b) Pollution of soil(c ????c) Water-logging(d ????d)None of the above
???????????? 111 ???? ????The ma jor reason f or floods in the rivers Ganges and Br ahmaputr a is ________ (Answer : B)
???????? ???????? ???????????? a) a) Dams in Himalayas ????b) b) Def orestation in Himalayas ????c) c) Heavy r ains ????d)d) Melting of ice
???????????? 112 ???? ????The method of r ainwater harvesting which can be adopted by individual house owners is (Answer : D)
???????? ???????? ???????????? a) Construction of recharge trenches (b ????b) On channel stor age of water (c ????c) Creation of new
water bodies (d ????d)Roof-top r ainwater harvesting
???????????? 113 ???? ????The percentage of total world?s precipitation, which is lost to the atmosphere through evapor ation,
approximates to: (Answer : A)
???????? ???????? ???????????? a) 57%(b ????b) 7%(c ????c) 37%(d ????d)43%
???????????? 114 ???? ????The process of restoring f orests that once existed but was removed at some time in the past is known
as (Answer : B)
???????? ???????? ???????????? a) Af f orestationb ????b) Ref orestationc ????c) Def orestationd ????d)None of these
???????????? 115 ???? ????The share of Hydropower (Hydel pro jects) in worlds commercial electricity production is less than ________
(Answer : D)
???????? ???????? ???????????? a) 2.00% ????b) 4.00% ????c) 12.00% ????d)20.00%
???????????? 116 ???? ????The species restricted to be present in one region are called (Answer : B)
???????? ???????? ???????????? a) Edge speciesb ????b) Endemic species c ????c) Endangered species d ????d)Keystone species
???????????? 117 ???? ????The teeth are likely to be pitted, more susceptible to cavities and wear, when the fluoride concentr ation
is: (Answer : D)
???????? ???????? ???????????? a) More than 2 mg/1 (b ????b) More than 40 mg/1 (c ????c) More than 20 mg/1 (d ????d)More than 4 mg/1
???????????? 118 ???? ????The term ?Environment? has been derived from the French word which means to encircle or surround
(Answer : A)
???????? ???????? ???????????? a) Environb ????b) Oikosc ????c) Geod ????d)Aqua
???????????? 119 ???? ????Wetlands in the flood plains of rivers are also considered as nature?s ________ (Answer : C)
???????? ???????? ???????????? a) a) Heat sink ????b) b) carbon sink ????c) c) flood control systems ????d)d) swimming pool
???????????? 120 ???? ????What are rodenticides? (Answer : C)
???????? ???????? ???????????? a) that kill fishes ????b) that kill insects ????c) that kill r ats ????d)that kill crocos
???????????? 121 ???? ????What is Kyoto Protocol? (Answer : A)
???????? ???????? ???????????? a) a. It is an agreement among countries to take steps f or reducing global warming. ????b) b. It is an
agreement among countries to take steps f or reducing acid r ain. ????c) c. It is an agreement among countries to take steps
f or planting trees to control pollution. ????d)d. It is an agreement among countries to start using nuclear energy.
???????????? 122 ???? ????What is the ma jor limiting f actor in the arid areas of our country? (Answer : C)
???????? ???????? ???????????? a) a) Money ????b) b) f orests ????c) c) water ????d)d) soil
???????????? 123 ???? ????What kind of people are the most ill-af f ected by the construction of dams? (Answer : D)
???????? ???????? ???????????? a) a) Urban dwellers ????b) b) beach dwellers ????c) c) tourists ????d)d) tribal people
???????????? 124 ???? ????When fluoride concentr ation in H2O exceeds about 1.5 mg/1, the disease that may be caused, is
(Answer : B)
???????? ???????? ???????????? a) Dental caries in children(b ????b) Fluorosis(c ????c) Polymyelitis(d ????d)Methemoglobinemia
???????????? 125 ???? ????Which among the f ollowing is a sedimentary type of cycle? (Answer : A)
???????? ???????? ???????????? a) Sulphur cycle(b ????b) Nitrogen cycle(c ????c) Oxygen cycle(d ????d)Carbon cycle
???????????? 126 ???? ????Which gas is responsible f or ozone layer depletion around earth? (Answer : B)
???????? ???????? ???????????? a) Carbon dioxideb ????b) Chlorofluorocarbonsc ????c) Oxygend ????d)Nitrogen oxide
???????????? 127 ???? ????Which gas is responsible f or the global warming? (Answer : B)
???????? ???????? ???????????? a) Nitrogenb ????b) Carbon dioxidec ????c) Noble gasesd ????d)Hydrogen
???????????? 128 ???? ????Which is a list of renewable resources? (Answer : D)
???????? ???????? ???????????? a) Petroleum, geothermal, wind b ????b) Biomass, geothermal, hydropower c ????c) Natur al gas, wind,
biomass d ????d)Hydropower, solar, wind energy
???????????? 129 ???? ????Which is the only country who has not r atified the Kyoto Protocol yet? (Answer : A)
???????? ???????? ???????????? a) United States ????b) Austr alia ????c) Japan ????d)India
???????????? 130 ???? ????Which of below items is the ma jor sector which extr acts most of fresh water available f or utilization?
(Answer : D)
???????? ???????? ???????????? a) domestic use ????b) drinking water ????c) bever age industry ????d)agriculture
???????????? 131 ???? ????Which of the f ollowing are consequences of ozone depletion (Answer : A)
???????? ???????? ???????????? a) Skin cancer and catar actb ????b) Reduced growth in plants c ????c) Shortening of zooplanktons and
their breeding period d ????d)All of the above
???????????? 132 ???? ????Which of the f ollowing are ma jor environmental issues involved in mining? (Answer : D)
???????? ???????? ???????????? a) air pollutionb ????b) water pollutionc ????c) soil degr adationd ????d)all of the above
???????????? 133 ???? ????Which of the f ollowing ef f ect is responsible f or Global Warming? (Answer : A)
???????? ???????? ???????????? a) Green house ef f ectb ????b) Radioactive ef f ectc ????c) Solar ef f ectd ????d)Nuclear ef f ect
???????????? 134 ???? ????Which of the f ollowing is management option f or air pollution? (Answer : D)
???????? ???????? ???????????? a) Regulations and standardsb ????b) Tr ansport planningc ????c) Using CNG as f ueld ????d)All of these
???????????? 135 ???? ????Which of the f ollowing is not a method f or water conservation? (Answer : B)
???????? ???????? ???????????? a) Rainwater harvesting(b ????b) Groundwater extr action (c ????c) Improving irrigation ef ficiency (d
????d)Avoiding water wastage
???????????? 136 ???? ????Which of the f ollowing is not a viable protection against def orestation? (Answer : C)
???????? ???????? ???????????? a) Reduce the consumption of f orest and related products (b ????b) Boycott products of companies
involve in def orestation (c ????c) Privatisation of f orest land (d ????d)Environmental education
???????????? 137 ???? ????Which of the f ollowing is not influenced by human activities? (Answer : D)
???????? ???????? ???????????? a) Destruction of mangroves and wetlands b ????b) Depletion of ground water c ????c) Increased
extinction r ate of species d ????d)None of the above
???????????? 138 ???? ????Which of the f ollowing is not true about def orestation? (Answer : C)
???????? ???????? ???????????? a) Population explosion is one of the reasons f or def orestation (b ????b) Cleaning of f orest f or
agriculture causes def orestation. (c ????c) Def orestation is taking place only in developing courtiers. (d ????d)Cash crop
economy of third world is a cause of def orestation.
???????????? 139 ???? ????Which of the f ollowing is responsible f or desertification? (Answer : D)
???????? ???????? ???????????? a) Def orestation(b ????b) Mining(c ????c) Overgr azing(d ????d)All of the above
???????????? 140 ???? ????Which of the f ollowing statements about the f orest is not correct? (Answer : D)
???????? ???????? ???????????? a) Forest reduces soil erosion (b ????b) Provides recreational opportunities (c ????c) Provides economic
development (d ????d)None of the above
???????????? 141 ???? ????Which of these is not a f ossil f uel? (Answer : D)
???????? ???????? ???????????? a) Coalb ????b) Oilc ????c) Natur al gasd ????d)Ur anium
???????????? 142 ???? ????Which one of the f ollowing is not an ideal solution f or tackling water shortages? (Answer : D)
???????? ???????? ???????????? a) Controlling population growth (b ????b) Conserving water in irrigation (c ????c) Controlling water
pollution (d ????d)Drilling large number of deep bore wells
???????????? 143 ???? ????Which one of the f ollowing regions in India is a hotspot of biodiversity? (Answer : B)
???????? ???????? ???????????? a) Sundarbansb ????b) Western Ghatsc ????c) Eastern Ghatsd ????d)Gangetic plains
???????????? 144 ???? ????World environment day is on: (Answer : B)
???????? ???????? ???????????? a) 5th Mayb ????b) 5th Junec ????c) 18th Julyd ????d)16th August
???????????? 145 ???? ????World Forest day is celebr ated on (Answer : A)
???????? ???????? ???????????? a) 21st March b ????b) 5th June c ????c) 1st Dec d ????d)7th June
???????????? 146 ???? ????Yellowing of Ta j Mahal is an ef f ect of (Answer : A)
???????? ???????? ???????????? a) Acid r ainb ????b) Global warmingc ????c) Ozone depletiond ????d)All of the above
???????????? 147 ???? ????Green Revolution in India was initiated by __________ (Answer : A)
???????? ???????? ???????????? a) M.S. Swaminathan ????b) Sunderlal Bahuguna ????c) Kurien ????d)Medha Patkar
???????????? 148 ???? ????Who wrote the book Violence of Green Revolution (Answer : A)
???????? ???????? ???????????? a) Vandana Siva ????b) Sheela Dikshit ????c) Menaka Gandhi ????d)Arundhathi Roy.
???????????? 149 ???? ????World Forest day is celebr ated on (Answer : A)
???????? ???????? ???????????? a) 21st March ????b) 5th June ????c) 1st Dec ????d)7th June
???????????? 150 ???? ????The Chipko movement is started by (Answer : B)
???????? ???????? ???????????? a) Engler ????b) Sunderlal Bahuguna ????c) Medha Padkar ????d)None of these
???????????? 151 ???? ????Green revolution is associated with _________ (Answer : B)
???????? ???????? ???????????? a) sericulture ????b) Agriculture ????c) Fish culture ????d)silviculture
???????????? 152 ???? ????Which gas is likely to be reduced in the atmosphere by def orestation? (Answer : C)
???????? ???????? ???????????? a) Carbon dioxide ????b) Nitrogen ????c) Oxygen ????d)Sulphur dioxide
???????????? 153 ???? ????Extensive planting of trees to increase f orest cover is called (Answer : A)
???????? ???????? ???????????? a) Af f orestation ????b) Agrof orestry ????c) Def orestation ????d)Social f orestry
???????????? 154 ???? ????Soil erosion can be prevented by (Answer : B)
???????? ???????? ???????????? a) Def orestation ????b) Af f orestation ????c) Overgr azing ????d)Removal of vegetation
???????????? 155 ???? ????The components of LPG are _____________ (Answer : B)
???????? ???????? ???????????? a) Methane & Hexane ????b) Propane & Butane ????c) Ethane & Methane ????d)Propane & Ethane
???????????? 156 ???? ????Which of the f ollowing is the most responsible f or world water crisis? (Answer : C)
???????? ???????? ???????????? a) Dams ????b) Floods ????c) Drought ????d)Population growth
???????????? 157 ???? ????The resources that can be replaced by natur al ecological cycle is called (Answer : A)
???????? ???????? ???????????? a) Renewable ????b) Non-renewable ????c) exhaustible ????d)natur al
???????????? 158 ???? ????The amount of solar r adiation reaching the surf ace of the earth is called (Answer : A)
???????? ???????? ???????????? a) Solar flux ????b) reflected light ????c) miner als ????d)solvents
???????????? 159 ???? ????The most harmf ul of ultr aviolet r adiations are (Answer : A)
???????? ???????? ???????????? a) UV-C ????b) UV-B ????c) UV-A ????d)All the above
???????????? 160 ???? ????A renewable source of energy is (Answer : D)
???????? ???????? ???????????? a) Petroleum ????b) Coal ????c) Nuclear f uel ????d)Trees
???????????? 161 ???? ????The capacity to do work is termed as (Answer : D)
???????? ???????? ???????????? a) Power ????b) Force ????c) Strength ????d)Energy
???????????? 162 ???? ????The unit of total water content of the soil is known as (Answer : A)
???????? ???????? ???????????? a) Holard ????b) Chr aserd ????c) Echard ????d)All of the above
???????????? 163 ???? ????Pedology? (Answer : C)
???????? ???????? ???????????? a) Study of water ????b) Study of air ????c) Study of soil ????d)none
???????????? 164 ???? ????What is def orestation? (Answer : B)
???????? ???????? ???????????? a) Product of f orest ????b) Destruction of f orest ????c) Forest Protection ????d)none
???????????? 165 ???? ????Def orestation gener ally decreases (Answer : D)
???????? ???????? ???????????? a) Global Warming ????b) Drought ????c) Soil erosion ????d)Rainf all
???????????? 166 ???? ????Which among the f ollowing result in the f ormation of soil? (Answer : B)
???????? ???????? ???????????? a) Radiation ????b) Weathering ????c) Erosion ????d)Pollution
???????????? 167 ???? ????Mulching helps in (Answer : B)
???????? ???????? ???????????? a) soil f ertility ????b) moisture conservation ????c) improvements soil structure ????d)soil sterility
???????????? 168 ???? ????........................ is an example of ?bottom f eeders?. (Answer : A)
???????? ???????? ???????????? a) Cat fish ????b) Frog ????c) Snake ????d)Tadpole ????e)
???????????? 169 ???? ????..................... trees shed their leaves during winter and hot summer. (Answer : C)
???????? ???????? ???????????? a) (a) ever green ????b) b) conif erous ????c) c) deciduous ????d)d) Shola
???????????? 170 ???? ????...................... is a cold desert in India (Answer : B)
???????? ???????? ???????????? a) Thar ????b) Ladakh ????c) Ran of Kutch ????d)Bhopal
???????????? 171 ???? ????A lake ecosystem f unctions as a (Answer : A)
???????? ???????? ???????????? a) Ter ai ????b) Shola gr asslands ????c) Semi arid plains ????d)Himalayan pastures
???????????? 172 ???? ????An example of nitrogen fixing bacteria in the soil (Answer : C)
???????? ???????? ???????????? a) Rhizobium ????b) Nostoc ????c) Azotobacter ????d)Nitrobacter
???????????? 173 ???? ????An example of one way ecological cycle is (Answer : C)
???????? ???????? ???????????? a) carbon dioxide cycle ????b) water cycle ????c) energy cycle ????d)oxygen cycle
???????????? 174 ???? ????Br ackish water ecosystems in river deltas are among (Answer : B)
???????? ???????? ???????????? a) Least productive ecosystems ????b) Most productive in terms of biomass production ????c) c)
Unproductive d) Stagnant ecosystems ????d)
???????????? 175 ???? ????Ecology is (Answer : C)
???????? ???????? ???????????? a) The science that studies the evolution of lif e, ????b) b) Integr ates both social and natur al sciences to
help us understand how the earth works, ????c) c) The study of the relationships between organisms and their
environment ????d)d) The study of the environment in the absence of humans
???????????? 176 ???? ????Forests grow in high r ain f all areas are (Answer : A)
???????? ???????? ???????????? a) (a) ever green f orests ????b) b) temper ate f orests ????c) c) conif ers ????d)d) Tundr a
???????????? 177 ???? ????Fungi is a (Answer : D)
???????? ???????? ???????????? a) Macroconsumer ????b) Producer ????c) Carnivore d ????d)Microconsumer
???????????? 178 ???? ????Nitrogen fixing blue green alga (Answer : C)
???????? ???????? ???????????? a) Clostridium ????b) Rhizobium ????c) Nostoc ????d)Nitrosomonas
???????????? 179 ???? ????Nitrogen gas returns to the atmosphere by the action of (Answer : B)
???????? ???????? ???????????? a) Nitrogen fixing bacteria ????b) Denitrif ying bacteria ????c) Nitrif ying bacteria ????d)Nitr ate f ertilizers
???????????? 180 ???? ????Patches of tall gr asslands interspersed with Sal f orest ecosystem is (Answer : A)
???????? ???????? ???????????? a) ????b) ????c) ????d)
???????????? 181 ???? ????Ramsar Convention ref ers to the conservation of ____________ (Answer : B)
???????? ???????? ???????????? a) (a) Deserts ????b) b) Wetlands ????c) c) Agriculture lands, ????d)d) Forest land
???????????? 182 ???? ????Some species whose removal can af f ect the survival of an ecosystem are called (Answer : B)
???????? ???????? ???????????? a) ????b) b) Keystone species ????c) c) Producers ????d)d) Carnivores
???????????? 183 ???? ????Sunderbans is home to (Answer : B)
???????? ???????? ???????????? a) Giant permanent pond ????b) Tempor ary aquatic system ????c) Simplest aquatic ecosystem ????d)Water
tank
???????????? 184 ???? ????The conversion of ammonia to nitr ate is known as ________ (Answer : B)
???????? ???????? ???????????? a) (a) ammonification ????b) b) nitrification ????c) c) denitrification ????d)d) all of these
???????????? 185 ???? ????The f orests which occur in law r ain f all area is (Answer : B)
???????? ???????? ???????????? a) (a) Evergreen f orests ????b) b) deciduous f orests ????c) c) Conif erous f orest ????d)d) All the above.
???????????? 186 ???? ????The inherent ability of organisms to reproduce and multiply is called, (Answer : B)
???????? ???????? ???????????? a) C value ????b) b) biotic potential ????c) c) carrying capacity ????d)d) K value
???????????? 187 ???? ????The largest br ackish water lake situated in Asia is in Orissa. Which is the lake? (Answer : A)
???????? ???????? ???????????? a) (a) Chilka lake ????b) b) Vembanad lake ????c) c) Woolar lake ????d)d) Dal lake
???????????? 188 ???? ????The Little Rann of Kutch is home to (Answer : D)
???????? ???????? ???????????? a) Horse ????b) b) Great Indian Bustard ????c) c) Lion ????d)d) Wild Ass
???????????? 189 ???? ????The presence of which is necessary f or photosynthesis (Answer : B)
???????? ???????? ???????????? a) (a) Chlorof orm ????b) b) Chlorophyll ????c) c) Phosphorus ????d)d) Polymer
???????????? 190 ???? ????The process through which ecosystems tend to change after a period of time is called (Answer : A)
???????? ???????? ???????????? a) ????b) ????c) ????d)
???????????? 191 ???? ????The species that flower are called (Answer : C)
???????? ???????? ???????????? a) (a) gymnosperms ????b) b) bryophytes ????c) c) angiosperms ????d)d) algae
???????????? 192 ???? ????The term ?Eco? implies (Answer : A)
???????? ???????? ???????????? a) Environment ????b) Ecotone ????c) Ecotourism ????d)Soil
???????????? 193 ???? ????The term ?Ecology? was coined by (Answer : B)
???????? ???????? ???????????? a) A.G.Tansley ????b) Earnst Haeckel ????c) Aristotle ????d)Linnaeus
???????????? 194 ???? ????The word Biophilia was coined by (Answer : D)
???????? ???????? ???????????? a) Dr. Hackel ????b) Dr.Johanssen ????c) Dr. Ben jamine ????d)E. O. Wilson
???????????? 195 ???? ????What is Dendrology? (Answer : C)
???????? ???????? ???????????? a) Study of Plants ????b) Study of Butterflies ????c) Study of Trees ????d)None of these
???????????? 196 ???? ????What is edge species? (Answer : A)
???????? ???????? ???????????? a) The species which occur abundantly in the ecotone ????b) b) Species on the verge of extinction ????c)
c) Rare species ????d)d) Endemic species
???????????? 197 ???? ????What is symbiosis? (Answer : C)
???????? ???????? ???????????? a) Study of distribution of related species ????b) b) Association between members of same species
????c) c) Association between members of two species ????d)d) None
???????????? 198 ???? ????When number of f ood chains is interlocked this is called (Answer : C)
???????? ???????? ???????????? a) f ood link ????b) f ood chain ????c) f ood web ????d)pyr amid
???????????? 199 ???? ????Which is an example f or sedimentary biogeochemical cycle (Answer : D)
???????? ???????? ???????????? a) Oxygen cycle ????b) Nitrogen cycle ????c) Water cycle ????d)Phosphorus cycle
???????????? 200 ???? ????Which is the second largest in species richness? (Answer : C)
???????? ???????? ???????????? a) Desert ????b) b) Tundr a ????c) c) Cor al reefs ????d)d) Flowing water
???????????? 201 ???? ????Gr assland of USA is ref erred to as (Answer : A)
???????? ???????? ???????????? a) Pr airies ????b) Steppes ????c) Pampas ????d)Veldts
???????????? 202 ???? ????The complex network of interconnected f ood chains is called ___________ (Answer : B)
???????? ???????? ???????????? a) Trophic level ????b) Food web ????c) Ecological pyr amid ????d)Ecology chain
???????????? 203 ???? ????The animal which consumes decaying organic matter is _________ (Answer : B)
???????? ???????? ???????????? a) Carnivore ????b) Detritivore ????c) Herbivore ????d)Producers
???????????? 204 ???? ????An ecosystem gr adually merges with an adjoining one through a tr ansitional zone is called the
______________ (Answer : C)
???????? ???????? ???????????? a) Ecological niche ????b) ecological f ootprint ????c) ecotone ????d)Shore ef f ect
???????????? 205 ???? ????The Primary Consumers are also called as (Answer : A)
???????? ???????? ???????????? a) Herbivores ????b) Carnivores ????c) Enzymes ????d)None of these
???????????? 206 ???? ????The f orests which occur in law r ain f all area is called (Answer : B)
???????? ???????? ???????????? a) Evergreen f orests ????b) deciduous f orests ????c) Conif erous f orest ????d)All the above
???????????? 207 ???? ????Favor able morphological and physiological response to a change in environment is called (Answer : D)
???????? ???????? ???????????? a) Preadaptation ????b) Ecotyping ????c) Formation of ecophenes ????d)Acclimatization
???????????? 208 ???? ????Plants adapted to open, sunny habitats are (Answer : B)
???????? ???????? ???????????? a) Sciophytes ????b) Heliophytes ????c) Mesophytes ????d)Epiphytes
???????????? 209 ???? ????Temper ate f orests occur in India in (Answer : B)
???????? ???????? ???????????? a) Indo-gangetic plains ????b) Himalayas ????c) Eastern India ????d)Southern peninsula
???????????? 210 ???? ????In India, tropical evergreen f orests occur in (Answer : C)
???????? ???????? ???????????? a) Himachal Pr adesh ????b) Madhya Pr adesh ????c) Assam ????d)Tamil Nadu
???????????? 211 ???? ????Which one is natures cleaner? (Answer : C)
???????? ???????? ???????????? a) Consumers ????b) Producers ????c) Decomposers and Scavengers ????d)Symbionts
???????????? 212 ???? ????The relationship between nitrogen fixing bacteria and leguminous plants is an example f or (Answer : C)
???????? ???????? ???????????? a) Par asitism ????b) Predation ????c) Mutualism ????d)Symbiosis
???????????? 213 ???? ????______ trees shed their leaves during winter and hot summer. (Answer : C)
???????? ???????? ???????????? a) Ever green ????b) Conif erous ????c) Deciduous ????d)Shola
???????????? 214 ???? ????Thorn f orests are f ound in the_______ regions (Answer : A)
???????? ???????? ???????????? a) Semi-arid ????b) High r ain f all areas ????c) Low temper ature ????d)Frozen areas
???????????? 215 ???? ????________ is a cold desert in India (Answer : B)
???????? ???????? ???????????? a) Thar ????b) Ladakh ????c) Ran of Kutch ????d)Bhopal
???????????? 216 ???? ????______ is an example of bottom f eeders (Answer : A)
???????? ???????? ???????????? a) Cat fish ????b) Frog ????c) Snake ????d)Tadpole
???????????? 217 ???? ????A Hawk that eats a frog is a (Answer : D)
???????? ???????? ???????????? a) Producer ????b) Primary Consumer ????c) Secondary Consumer ????d)Tertiary Consumer
???????????? 218 ???? ????An example of lotic system (Answer : B)
???????? ???????? ???????????? a) Pond ????b) River ????c) Lake ????d)Reservoir
???????????? 219 ???? ????Complex interlinked f ood chains are called (Answer : A)
???????? ???????? ???????????? a) Food Web ????b) Food net work ????c) Trophic levels ????d)Food pyr amid
???????????? 220 ???? ????Lotic ecosystem ref ers to (Answer : B)
???????? ???????? ???????????? a) Static water system ????b) Ecosystem of flowing water ????c) Ecosystem of estuaries ????d)Deep
marine water system
???????????? 221 ???? ????Autotrophs are ______________ (Answer : D)
???????? ???????? ???????????? a) Consumers ????b) Herbivores ????c) Saprophytes ????d)Producers
???????????? 222 ???? ????Organisms which depened on Producers f or nutrition are called (Answer : C)
???????? ???????? ???????????? a) Autotrophs ????b) Saprophytes ????c) Consumers ????d)Xerophytes
???????????? 223 ???? ????The source of atmospheric oxygen is (Answer : B)
???????? ???????? ???????????? a) Nitrogen cycle ????b) Green Plants ????c) Water ????d)Carbon Cycle
???????????? 224 ???? ????Plants which grow in shade are called (Answer : A)
???????? ???????? ???????????? a) Sciophytes ????b) Heliophytes ????c) Oxylophytes ????d)Epiphytes
???????????? 225 ???? ????Photosynthesis is f ound in (Answer : A)
???????? ???????? ???????????? a) Producers ????b) Decomposers ????c) Consumers ????d)Scavengers
???????????? 226 ???? ????Phytoplankton are (Answer : B)
???????? ???????? ???????????? a) Producers of f orest ????b) Producers of lakes ????c) Consumers of Ocean ????d)Omnivores
???????????? 227 ???? ????Gas released during photosynthesis is (Answer : C)
???????? ???????? ???????????? a) Methane ????b) Nitrogen ????c) Oxygen ????d)Carbon dioxide
???????????? 228 ???? ????The ma jor reservoir of carbon is (Answer : B)
???????? ???????? ???????????? a) The atmosphere ????b) Ocean Bed ????c) Plant and animals ????d)Rock
???????????? 229 ???? ????The simplest aquatic ecosystem can be seen in a (Answer : C)
???????? ???????? ???????????? a) River ????b) Lake ????c) Pond ????d)Water Tank
???????????? 230 ???? ????What is hibernation and aestivation? (Answer : A)
???????? ???????? ???????????? a) Thermal adaptation shown by animals ????b) wind adaptation shown by animals ????c) adaptation of
animals to escape from predators ????d)None
???????????? 231 ???? ????What is lentic habitat ? (Answer : B)
???????? ???????? ???????????? a) Running water habitat ????b) Standing or still water habitat ????c) Marine habitat ????d)None
???????????? 232 ???? ????What is lotic habitat? (Answer : C)
???????? ???????? ???????????? a) Standing or still water habitat ????b) Marine habitat ????c) Running water habitat ????d)Stagnant water
???????????? 233 ???? ????What is Plankton? (Answer : A)
???????? ???????? ???????????? a) Microscopic floating organisms ? Plants and animals. ????b) bottom dwelling aquatic organisms ????c)
Large plants in water ????d)None
???????????? 234 ???? ????What is Canopy? (Answer : A)
???????? ???????? ???????????? a) Uppermost level of the f orest ????b) Ground level of the f orest ????c) Soil in f orest ????d)Climbers on
trees
???????????? 235 ???? ????North American gr assland are called (Answer : B)
???????? ???????? ???????????? a) Pampas ????b) Pr airies ????c) Savannah ????d)None
???????????? 236 ???? ????African gr asslands are called (Answer : C)
???????? ???????? ???????????? a) Pr airies ????b) Pampas ????c) Savannah ????d)None
???????????? 237 ???? ????Green plants are absent in deep sea. Why? (Answer : A)
???????? ???????? ???????????? a) Light is absent ????b) High pressure ????c) low temper ature ????d)Great depth
???????????? 238 ???? ????What is desertification? (Answer : D)
???????? ???????? ???????????? a) Conversion of f orests into desert ????b) Conversion of croplands into desert ????c) Conversion of
gr assland into desert ????d)all of the above
???????????? 239 ???? ????The first trophic level in a f ood chain (Answer : A)
???????? ???????? ???????????? a) Green Plants ????b) Herbivores ????c) Carnivores ????d)Bacteria
???????????? 240 ???? ????Sulphur bacteria are examples of (Answer : D)
???????? ???????? ???????????? a) Carnivores ????b) Heterotrophs ????c) Saprophytes ????d)Autotrophs
???????????? 241 ???? ????Green Land biome (Answer : B)
???????? ???????? ???????????? a) Tundr a ????b) Pampas ????c) Taiga ????d)Thaar.
???????????? 242 ???? ????What is deep ecology? (Answer : A)
???????? ???????? ???????????? a) Protecting nature f or its own sake ????b) Ecology of deep sea ????c) Ecology of f orest ????d)Ecology of
caves
???????????? 243 ???? ????Cor al reefs in India can be seen in (Answer : B)
???????? ???????? ???????????? a) Himalayan region ????b) Andaman and Nicobar Islands ????c) Uttarpr adesh ????d)Mahar ashtr a
???????????? 244 ???? ????____________ is one of the most endangered species of Indian birds (Answer : D)
???????? ???????? ???????????? a) Bee eater ????b) Par adise fly catcher ????c) Owl ????d)The great Indian bustard
???????????? 245 ???? ????................. species is known as Azadir achta Indica (Answer : A)
???????? ???????? ???????????? a) Neem ????b) Mango ????c) Jackfruit ????d)Banana
???????????? 246 ???? ????.................... is a marine tortoise which shows the unique phenomenon ?arribada? (Answer : A)
???????? ???????? ???????????? a) Olive Ridley ????b) Star T ortoise ????c) Tr avancore T ortoise ????d)b & c
???????????? 247 ???? ????.................... tree is known as ?flame of the f orest?? (Answer : B)
???????? ???????? ???????????? a) Zizyphus ????b) Butea monosperma ????c) Jackfruit ????d)Pongamea
???????????? 248 ???? ????All are insitu conservation ef f orts except (Answer : C)
???????? ???????? ???????????? a) National parks ????b) Sanctuaries ????c) Zoo ????d)
???????????? 249 ???? ????Approximately, 50% of total world species are present on (Answer : A)
???????? ???????? ???????????? a) tropical r ain f orest ????b) temper ate r ain f orest ????c) temper ate deciduous f orest d ????d)cor al reefs
???????????? 250 ???? ????Bears are usually hunted and killed f or their (Answer : B)
???????? ???????? ???????????? a) Teeth ????b) Skin ????c) Gall bladder ????d)Nails
???????????? 251 ???? ????Biodiversity (Answer : A)
???????? ???????? ???????????? a) increases towards the equator ????b) decreases towards the equator ????c) remains same throughout
the planet d ????d)has no ef f ect on change in latitude
???????????? 252 ???? ????Black Buck is a (Answer : B)
???????? ???????? ???????????? a) Goat ????b) Deer ????c) Butterfly ????d)Bird
???????????? 253 ???? ????Blue whale is placed under (Answer : A)
???????? ???????? ???????????? a) endangered ????b) critically endangered ????c) r are ????d)d) extinct
???????????? 254 ???? ????Conservation within the natur al habitat is (Answer : A)
???????? ???????? ???????????? a) insitu conservation ????b) exsitu conservation ????c) invivo conservation ????d)d) exvivo conservation
???????????? 255 ???? ????Cor al reefs in India can be seen in (Answer : B)
???????? ???????? ???????????? a) Himalayan region ????b) Andaman and Nicobar Islands ????c) Uttarpr adesh ????d)Mahar ashtr a
???????????? 256 ???? ????Dodo is (Answer : D)
???????? ???????? ???????????? a) endangered ????b) b) critically endangered ????c) c) r are ????d)d) extinct
???????????? 257 ???? ????Endemic species are (Answer : B)
???????? ???????? ???????????? a) r are species ????b) b) species localised in a specific region ????c) c) cosmopolitan in distribution d)
critically endangered species ????d)
???????????? 258 ???? ????Ex situ conservation includes (Answer : D)
???????? ???????? ???????????? a) Zoo ????b) Botanic garden ????c) c) Germplasm bank ????d)d) all of the above
???????????? 259 ???? ????Gharial is a (Answer : A)
???????? ???????? ???????????? a) Crocodile ????b) b) Cobr a ????c) c) T ortoise ????d)d) Frog
???????????? 260 ???? ????Herpetology is a br anch of Science which deals with (Answer : C)
???????? ???????? ???????????? a) Aves ????b) Mammals ????c) Reptiles ????d)Fishes
???????????? 261 ???? ????Hot spots are regions of high (Answer : B)
???????? ???????? ???????????? a) r arity ????b) b) endemism ????c) c) critically endangered population d) diversity ????d)d) diversity
???????????? 262 ???? ????India is primary centre of domestication of (Answer : D)
???????? ???????? ???????????? a) Sheep ????b) Goat ????c) Water Buf f alo ????d)Elephants
???????????? 263 ???? ????IUCN (The International Union For Conservation Of Nature And Natur al Resources) headquarters is at
(Answer : A)
???????? ???????? ???????????? a) Morges, Switzerland ????b) Paris, Fr ance ????c) Vienna, Austria d ????d)NewYork, USA
???????????? 264 ???? ????IUCN is also called as (Answer : B)
???????? ???????? ???????????? a) Man and Biosphere progr am ????b) World Conservation Union ????c) World Conservation Consortium
d ????d)World Wide Conservation Union
???????????? 265 ???? ????Killing of animals disturbs (Answer : C)
???????? ???????? ???????????? a) Good f or eco system ????b) Good f or man ????c) The balance of nature ????d)None
???????????? 266 ???? ????MAB progr am stands f or (Answer : D)
???????? ???????? ???????????? a) Man and biotechnology ????b) Material and biology ????c) Man and Biology ????d)Man and Biosphere
???????????? 267 ???? ????Pangolins f eed on (Answer : A)
???????? ???????? ???????????? a) ants ????b) b) fruits ????c) c) leaves ????d)d) roots
???????????? 268 ???? ????Red data book contains data of (Answer : D)
???????? ???????? ???????????? a) all plant species ????b) all animal species ????c) economically important species ????d)threatened
species
???????????? 269 ???? ????Silent Spring is a well known book written by (Answer : C)
???????? ???????? ???????????? a) John Miller ????b) Charles Darwin ????c) Rachel Carson ????d)Aldoleopold
???????????? 270 ???? ????The drug morphine is extr acted from ............... plant (Answer : C)
???????? ???????? ???????????? a) Cocoa ????b) Belladonna ????c) Opium Poppy ????d)Tannin
???????????? 271 ???? ????The first global environmental protection treaty The Montreal Protocol was signed on Sept. 26. (Answer
: D)
???????? ???????? ???????????? a) 1985 ????b) 1990 ????c) 1981 ????d)1987
???????????? 272 ???? ????The most important reason f or decrease in biodiversity is (Answer : D)
???????? ???????? ???????????? a) habitat pollution ????b) introduction of exotic species ????c) overexploitation ????d)habitat destruction
???????????? 273 ???? ????The only ape f ound in India (Answer : C)
???????? ???????? ???????????? a) Gorilla ????b) Chimpanzee ????c) Hoolock gibbon ????d)Or anguttan
???????????? 274 ???? ????Which of the f ollowing is a biodiversity hot sport in India? (Answer : A)
???????? ???????? ???????????? a) Western Ghats ????b) Nandadevi ????c) Eastern Ghats ????d)Ar avalli
???????????? 275 ???? ????Which of the f ollowing region has maximum diversity? (Answer : D)
???????? ???????? ???????????? a) mangroves ????b) temper ate r ainf orest ????c) taiga d ????d)cor al reefs
???????????? 276 ???? ????Which plants die after flowering? (Answer : B)
???????? ???????? ???????????? a) Lotus ????b) Bamboo ????c) Chrysanthemum ????d)Butea
???????????? 277 ???? ????Which tree is known as Cor al tree? (Answer : C)
???????? ???????? ???????????? a) Quercus ????b) Dipterocarps ????c) Erythrina ????d)Zizypus
???????????? 278 ???? ????Salim Ali Centre f or Ornithology and Natur al history is located at ______ (Answer : D)
???????? ???????? ???????????? a) Pune ????b) Hyder abad ????c) Ker ala ????d)Coimbatore
???????????? 279 ???? ????World wildlif e week is observed during (Answer : A)
???????? ???????? ???????????? a) First week of October ????b) Last week of October ????c) Third week of October ????d)First week of
September
???????????? 280 ???? ????Zoological Survey of India is at (Answer : C)
???????? ???????? ???????????? a) Delhi ????b) Mumbai ????c) Kolkata ????d)Chennai
???????????? 281 ???? ????The Salim Ali Bird sanctuary is located at (Answer : B)
???????? ???????? ???????????? a) Pondicherry ????b) Thattekad ????c) Anakkatti ????d)Kalakkadj
???????????? 282 ???? ????Who among the f ollowing is commonly called ?Bird Man of India?? (Answer : A)
???????? ???????? ???????????? a) Salim Ali ????b) M.S. Swaminathan ????c) M.C. Mehta ????d)Raphel Emerson
???????????? 283 ???? ????The phenomenon of occurrence of additional species f ound in the ecotone or tr ansitional zone
between adjoining ecosystems is known as _________ (Answer : A)
???????? ???????? ???????????? a) Edge ef f ect ????b) Root ef f ect ????c) Raman ef f ect ????d)Coolidge ef f ect
???????????? 284 ???? ????A set of organisms that resemble one another in appear ance and behaviour is called a _____________
(Answer : C)
???????? ???????? ???????????? a) Exons ????b) Prions ????c) Species ????d)guilds
???????????? 285 ???? ????All the genes of a population is called (Answer : A)
???????? ???????? ???????????? a) gene pool ????b) Genome ????c) Gene bunch ????d)Gene population
???????????? 286 ???? ????The first protected area in India is ____________ (Answer : B)
???????? ???????? ???????????? a) Silent valley ????b) Corbett National Park ????c) Bandipur sanctuary ????d)Nagar-Hole
???????????? 287 ???? ????The Indian Parliament passed the Biodiversity Bill in the year_________ (Answer : C)
???????? ???????? ???????????? a) 2000 ????b) 2005 ????c) 2002 ????d)2007
???????????? 288 ???? ????The destruction of habitat of plants and animals is called (Answer : C)
???????? ???????? ???????????? a) Endemism ????b) Endangered species ????c) Habitat loss ????d)Flood
???????????? 289 ???? ????Zoos are examples f or (Answer : C)
???????? ???????? ???????????? a) In-situ conservation ????b) In-vivo conservation ????c) Ex-situ conservation ????d)Ex-vivo conservation
???????????? 290 ???? ????In which Indian state is Corbet National park located (Answer : B)
???????? ???????? ???????????? a) Madya Pr adesh ????b) Uttar akhand ????c) Ker ala ????d)Tamilnadu
???????????? 291 ???? ????The first national park of Ker ala (Answer : D)
???????? ???????? ???????????? a) Ar alam ????b) Kottayam ????c) Idukki ????d)Ir avikulam
???????????? 292 ???? ????In which year was Pro ject Tiger launched? (Answer : A)
???????? ???????? ???????????? a) 1973 ????b) 1964 ????c) 1998 ????d)1970
???????????? 293 ???? ????Earth summit of Rio de Janeiro (1992) resulted in (Answer : C)
???????? ???????? ???????????? a) Compilation of Red list ????b) Establishment of biosphere reserves ????c) Conservation of biodiversity
????d)IUCN
???????????? 294 ???? ????Lions are f ound in (Answer : D)
???????? ???????? ???????????? a) Western Ghats ????b) Corbett National Park ????c) Forests of Madhya Pr adesh ????d)Gir f orests
???????????? 295 ???? ????National Park associated with rhinoceros is (Answer : A)
???????? ???????? ???????????? a) Kazir anga ????b) Ranthambore ????c) Corbett ????d)Valley of flowers
???????????? 296 ???? ????Some species of plants and animals are extremely r are and may occur only at a f ew locations are called
(Answer : B)
???????? ???????? ???????????? a) Endemic ????b) Endangered ????c) Vulner able ????d)Threatened
???????????? 297 ???? ????The only known breeding colony of the greater and lesser Flamingos in our country is seen in
???????.. desert. (Answer : A)
???????? ???????? ???????????? a) The Great Rann of Kutch ????b) The Thar ????c) Ladakh ????d)Atacama
???????????? 298 ???? ????The one-horned Rhinoceros is now restricted to which state? (Answer : C)
???????? ???????? ???????????? a) Mahar ashtr a ????b) Gujar at ????c) Assam ????d)Uttar Pr adesh
???????????? 299 ???? ????Asiatic lion is f ound only in _____ (Answer : A)
???????? ???????? ???????????? a) Gir Forest ????b) Manas ????c) Kasir anga ????d)Sundarbans
???????????? 300 ???? ????________ is a marine tortoise which shows the unique phenomenon ???arribada??? (Answer : A)
???????? ???????? ???????????? a) Olive Ridley ????b) Star T ortoise ????c) Tr avancore T ortoise ????d)b & c
???????????? 301 ???? ????Largest reptile in the world (Answer : B)
???????? ???????? ???????????? a) Dr agon ????b) Anaconda ????c) Crocodile ????d)Python
???????????? 302 ???? ????Snow leopard is f ound in which National Park? (Answer : B)
???????? ???????? ???????????? a) Kazir anga ????b) The Great Himalayan ????c) Bhar atpur ????d)Nagarhole
???????????? 303 ???? ????Point Calimere sanctuary is situated in which state? (Answer : A)
???????? ???????? ???????????? a) Tamilnadu ????b) Ker ala ????c) Karnataka ????d)Gujar at
???????????? 304 ???? ????The movement Beej Bachao Andolan was aimed f or the conservation of ________ (Answer : C)
???????? ???????? ???????????? a) Trees ????b) Shrubs ????c) Crops ????d)Coconut
???????????? 305 ???? ????In which year Silent Valley was declared as National Park? (Answer : C)
???????? ???????? ???????????? a) 1988 ????b) 1982 ????c) 1984 ????d)1981
???????????? 306 ???? ????The Red Data book which lists endangered species is maintained by (Answer : C)
???????? ???????? ???????????? a) UNO ????b) WHO ????c) IUCN ????d)WWF
???????????? 307 ???? ????First Biosphere reserve in India (Answer : A)
???????? ???????? ???????????? a) Nilgiri ????b) Agastyamala ????c) Er avikulam ????d)Chinnar
???????????? 308 ???? ????Flag ship species of Choolannur sanctuary (Answer : B)
???????? ???????? ???????????? a) Tiger ????b) Peacock ????c) Elephant ????d)Rhino
???????????? 309 ???? ????Which of the f ollowing is an extinct species? (Answer : C)
???????? ???????? ???????????? a) Tiger ????b) Lion ????c) Dodo ????d)Ostrich
???????????? 310 ???? ????________ is one of the most endangered species of Indian birds (Answer : D)
???????? ???????? ???????????? a) Bee eater ????b) Par adise fly catcher ????c) Owl ????d)The great Indian bustard
???????????? 311 ???? ????Many wild plant and animals are on the verge of extinction due to (Answer : A)
???????? ???????? ???????????? a) Habitat destruction ????b) Climatic changes ????c) Non availability of f ood ????d)None of the above
???????????? 312 ???? ????The most endangered ecosystem in India (Answer : B)
???????? ???????? ???????????? a) Shola f orest ecosystem ????b) Evergreen f orest ecosystem ????c) Pond ecosystem ????d)Tundr a
Ecosystem
???????????? 313 ???? ????Er avikulam National Park conserves (Answer : D)
???????? ???????? ???????????? a) Lion tailed macaque ????b) Tiger ????c) Elephant ????d)Nilgiri Tahr
???????????? 314 ???? ????First National Park in India (Answer : A)
???????? ???????? ???????????? a) Jim Corbert National Park ????b) Bandipur National Park ????c) Gir National Park ????d)Sunderbans
National Park
???????????? 315 ???? ????Agastyamalai Biosphere reserve is in (Answer : B)
???????? ???????? ???????????? a) Pathanamthitta ????b) Thiruvananthapur am ????c) Idukki ????d)Wayanad
???????????? 316 ???? ????What is meant by ex-situ conservation? (Answer : C)
???????? ???????? ???????????? a) Conservation of a species by protecting its habitat along with all other species living there. ????b)
Conservation of f orest eco system ????c) Conservation of a species outside its natur al habitat ????d)Conservation of
plants
???????????? 317 ???? ????The state which constituted green bench (Answer : B)
???????? ???????? ???????????? a) Ker ala ????b) Tamilnadu ????c) Assam ????d)Madhya Pr adesh
???????????? 318 ???? ????Name the endangered animal which is protected in Ra jamalai National park (Answer : C)
???????? ???????? ???????????? a) Chital ????b) Black buck ????c) Nilgiri Tahr ????d)None
???????????? 319 ???? ????Animals and plants are best protected in (Answer : C)
???????? ???????? ???????????? a) Zoos ????b) Botanical Gardens ????c) National Parks ????d)Sanctuaries
???????????? 320 ???? ????Worlds first Teak Forest was planted in 1842 in Ker ala. Identif y the place. (Answer : B)
???????? ???????? ???????????? a) Wayanad ????b) Nilambur ????c) Silent Valley ????d)Nelliyampathy
???????????? 321 ???? ????The Native Place of Redwood trees? (Answer : C)
???????? ???????? ???????????? a) Austr alia ????b) Amazon ????c) Calif ornia ????d)Thailand
???????????? 322 ???? ????Centre of Modern nuclear technology in India (Answer : C)
???????? ???????? ???????????? a) CRAS ????b) SARC ????c) BARC ????d)None of these
???????????? 323 ???? ????What is an Inciner ator? (Answer : A)
???????? ???????? ???????????? a) Furnace used f or burning solid waste ????b) Furnace used f or treating liquid waste ????c) Both a & b
????d)None of these
???????????? 324 ???? ????Photochemical smog is called (Answer : B)
???????? ???????? ???????????? a) T okyo smog ????b) London smog ????c) Los Angeles smog ????d)None
???????????? 325 ???? ????The combustion of waste in the absence of Oxygen is called (Answer : B)
???????? ???????? ???????????? a) Haemolysis ????b) Pyrolysis ????c) Hydrolysis ????d)None
???????????? 326 ???? ????The heating of earths atmosphere due to tr apped r adiation is known as (Answer : D)
???????? ???????? ???????????? a) Global warming ????b) Glass-House ef f ect ????c) Thermal ef f ect ????d)Green House Ef f ect
???????????? 327 ???? ????Thickness of plastic cover permissible to use (Answer : C)
???????? ???????? ???????????? a) 50 Microns ????b) 20 Microns ????c) 100 Microns ????d)10 Microns
???????????? 328 ???? ????A biodegr adable plastic developed by Biopak Corpor ation Austr alia (Answer : A)
a) Biopol ????b) Pet ????c) Polyester ????d)PVC
???????????? 329 ???? ????The Residential and Commercial wastes mainly consist of: (Answer : A)
???????? ???????? ???????????? a) Food wastes ????b) Card board ????c) Packaging materials ????d)None of these
???????????? 330 ???? ????Lead in water can cause (Answer : C)
???????? ???????? ???????????? a) Eye disease ????b) Arthritis ????c) Kidney damage ????d)Hair f alling
???????????? 331 ???? ????Colorless odorless and non corrosive air pollutant is (Answer : C)
???????? ???????? ???????????? a) Sulphur dioxide ????b) Carbon monoxide ????c) Carbon dioxide ????d)Ozone
???????????? 332 ???? ????Disease aggr avated by air pollution is (Answer : C)
???????? ???????? ???????????? a) Choler a ????b) Rheumatism ????c) Bronchitis ????d)Haemophilia
???????????? 333 ???? ????Which of the f ollowing type of pollution can cause the outbreak of Jaundice (Answer : C)
???????? ???????? ???????????? a) Air ????b) Thermal ????c) Water ????d)Land
???????????? 334 ???? ?????Ozone Hole? is a _____________ (Answer : B)
???????? ???????? ???????????? a) Hole in the atmosphere b ????b) Destruction of ozone layer c ????c) Hole in the hydrosphere d ????d)Hole
in the troposphere
???????????? 335 ???? ?????Plumbism? is the disorder develops in man when exposed to..... (Answer : A)
???????? ???????? ???????????? a) a) Lead ????b) b) Mercury ????c) c) Arsenic ????d)d) CO
???????????? 336 ???? ????A pollutant not released by exhaust of automobiles is.... (Answer : C)
???????? ???????? ???????????? a) a) SO 2 ????b) b) CO ????c) c) Fly Ash ????d)d) Hydrocarbon gases
???????????? 337 ???? ????Acid r ain contains (Answer : A)
???????? ???????? ???????????? a) Sulphuric acid b ????b) Hydrochloric acid c ????c) Oxalic acid d ????d)Acetic acid
???????????? 338 ???? ????An example of natur al pollutant is (Answer : D)
???????? ???????? ???????????? a) a) Forest fire ????b) b) Natur al Organic Decay ????c) c) Volcanic eruptions ????d)d) All of the above
???????????? 339 ???? ????An example of non-biodegr adable pollutant is (Answer : B)
???????? ???????? ???????????? a) a) Sewage ????b) b) Plastic ????c) c) Litter ????d)d) Vegetable waste
???????????? 340 ???? ????Birth r ate is called (Answer : C)
???????? ???????? ???????????? a) mortality b ????b) vital index c ????c) natality d ????d)viability
???????????? 341 ???? ????Bishnoi women is connected to (Answer : B)
???????? ???????? ???????????? a) Hindi Film ????b) b) Chipko movement ????c) c) Climate change ????d)d) Women rights
???????????? 342 ???? ????BOD is used f or the measurement of .... (Answer : C)
???????? ???????? ???????????? a) a) Atmospheric pollution ????b) b) Soil pollution ????c) c) Water pollution ????d)d) Nuclear pollution
???????????? 343 ???? ????Causative organisms of Malaria (Answer : C)
???????? ???????? ???????????? a) Bacteria b ????b) Fungus c ????c) Plasmodium d ????d)Virus
???????????? 344 ???? ????Component not released in the burning coal is... (Answer : D)
???????? ???????? ???????????? a) a) NO 2 ????b) b) SO 2 ????c) c) Fly Ash ????d)d) O 2
???????????? 345 ???? ????Death r ate of the population (Answer : A)
???????? ???????? ???????????? a) Mortality b ????b) Viability c ????c) Natality d ????d)Vitality
???????????? 346 ???? ????Ear muf fs or Cotton plugs are used to reduce pollution of..... (Answer : B)
???????? ???????? ???????????? a) a) Air ????b) b) Noise ????c) c) Thermal ????d)d) Nuclear
???????????? 347 ???? ????EIA is the (Answer : C)
???????? ???????? ???????????? a) a) Economic Inf ormation Awareness ????b) b) Environmental Inf ormation Awareness ????c) c)
Environmental Impact Assessment ????d)d) Environmental Impact Avoidance
???????????? 348 ???? ????El Nino (Answer : A)
???????? ???????? ???????????? a) a) a climate cycle in the Pacific Ocean impacting global weather patterns ????b) b) Cold current in the
Atlantic influencing South American weather ????c) c) An annual underwater phenomenon af f ecting global weather
????d)d) A sub-sahar an hot wind af f ecting global climate.
???????????? 349 ???? ????Environmental Protection Act was introduced in the year (Answer : A)
???????? ???????? ???????????? a) 1986 b ????b) 1988 c ????c) 1972 d ????d)1989
???????????? 350 ???? ????Example f or a bio-degr adable polymer is (Answer : C)
???????? ???????? ???????????? a) Polyethylene b ????b) Polypropylene c ????c) Poly lactic acid d ????d)Polyester
???????????? 351 ???? ????Exposure of human body to r adiation may cause... (Answer : D)
???????? ???????? ???????????? a) a) Polio ????b) b) Gastroenteritis ????c) c) Haemophilia ????d)d) Leukemia
???????????? 352 ???? ????Increased heart beat, constriction of blood vessels and dilation of pupil are symptoms of.... (Answer :
A)
???????? ???????? ???????????? a) a) Sound pollution ????b) b) Thermal pollution ????c) c) Air pollution ????d)d) Nuclear pollution
???????????? 353 ???? ????India Government passed the Air act in the year (Answer : B)
???????? ???????? ???????????? a) a) 1991 ????b) b) 1981 ????c) c) 1982 ????d)d) 2001
???????????? 354 ???? ????Inf ection of HIV is usually detected by which test (Answer : A)
???????? ???????? ???????????? a) Elisa test b ????b) Hybridization c ????c) Gr am staining d ????d)None
???????????? 355 ???? ????IPCC (Answer : C)
???????? ???????? ???????????? a) a) International Panel on Climate Change ????b) b) International Peace Conf erence f or Climate ????c) c)
Intergovernmental Panel on Climate Change ????d)d) Intercontinental Plans f or Continuous
???????????? 356 ???? ????Largest source of air pollution in cities are .... (Answer : C)
???????? ???????? ???????????? a) a) Industries ????b) b) Sewage ????c) c) Automobiles ????d)d) Tanneries
???????????? 357 ???? ????Leader of ?Narmada Bachao Andolan? (Answer : B)
???????? ???????? ???????????? a) Vandana Siva b ????b) Medha Patkar c ????c) Menaka Gandhi d ????d)Mayilamma
???????????? 358 ???? ????Minamata disease is due to... (Answer : A)
???????? ???????? ???????????? a) a) Mercury poisoning ????b) b) Lead poisoning ????c) c) Arsenic poisoning ????d)d) Cadmium poisoning
???????????? 359 ???? ????Mullaperiyar dam is in the district? (Answer : C)
???????? ???????? ???????????? a) Thrissur b ????b) Pathanamthitta c ????c) Idukki d ????d)Alappuzha.
???????????? 360 ???? ????National Maritime Day of India is celebr ated on ______________ (Answer : B)
???????? ???????? ???????????? a) October 16 b ????b) April 05 c ????c) March 21 d ????d)May 22
???????????? 361 ???? ????Natur al earthquakes are caused by __________ (Answer : A)
???????? ???????? ???????????? a) Earth?s crust b ????b) deep seas c ????c) peak mountains d ????d)f orests
???????????? 362 ???? ????Noise is _______________ (Answer : C)
???????? ???????? ???????????? a) Huge sound b ????b) Sound of vehicles c ????c) Undesir able and unwanted sound d ????d)Sound of
cr ackers
???????????? 363 ???? ????Of ficial date of Earth Day is on _________ (Answer : A)
???????? ???????? ???????????? a) April 22 b ????b) March 21 c ????c) May 22 d ????d)June 05
???????????? 364 ???? ????On which date was the Stockholm Conf erence on Human Environment held? (Answer : C)
???????? ???????? ???????????? a) July 6th 1974 b ????b) Aug 8th 1976 c ????c) June 5th 1972 d ????d)Dec 12th 1990
???????????? 365 ???? ????One third of the global cases of Tuberculosis is in (Answer : C)
???????? ???????? ???????????? a) Britain b ????b) Sweden c ????c) India d ????d)China
???????????? 366 ???? ????Organ af f ected by pneumonia (Answer : D)
???????? ???????? ???????????? a) Liver b ????b) Kidney c ????c) Heart d ????d)Lungs.
???????????? 367 ???? ????Ozone (Answer : A)
???????? ???????? ???????????? a) a) strong poisonous f orm of Oxygen with 3 atoms in a molecule ????b) b) A mix of various gases
f orming a protective cover ????c) c) Purest f orm of Oxygen which increases its supply on earth ????d)d) a strong and
protective compound from Oxygen and Hydrogen
???????????? 368 ???? ????Ozone in lower atmosphere is an example of ... (Answer : B)
???????? ???????? ???????????? a) a) Primary pollutant ????b) b) Secondary pollutant ????c) c) Tertiary pollutant ????d)d) Not a pollutant
???????????? 369 ???? ????Ozone layer is (Answer : A)
???????? ???????? ???????????? a) A) 20 ? 50 km above the surf ace of the earth ????b) B) 70 to 90 kms above the earth ????c) C) 30 ? 40
kms below the earth ????d)D) 20 ? 50 kms below the sea level.
???????????? 370 ???? ????Ozone layer is situated in which str ata of artmosphere? (Answer : B)
???????? ???????? ???????????? a) Thermosphere ????b) (b) str atosphere ????c) (c) ionosphere ????d)(d) mesosphere
???????????? 371 ???? ????Poisonous gas caused Bhopal gas tr agedy (Answer : A)
???????? ???????? ???????????? a) Methyl isocyanate ????b) (b) Ethyl isocyante ????c) (c) Methyl isocyanide ????d)(d) Ethyl isocyamide
???????????? 372 ???? ????Presence of E. coli in water is an indication of (Answer : A)
???????? ???????? ???????????? a) Fecal contamination (b ????b) Lead contamination (c ????c) Vir al contamination (d ????d)Mercury
contamination
???????????? 373 ???? ????Public awareness of environment creates ___________ (Answer : A)
???????? ???????? ???????????? a) Environment protection b ????b) Environment degr adation c ????c) Environmental improvement d
????d)Environmental cultivation
???????????? 374 ???? ????Public Health is not dependent on (Answer : C)
???????? ???????? ???????????? a) a) saf e drinking water ????b) b) suf ficient f ood ????c) c) competitive market conditions ????d)d) good
social conditions
???????????? 375 ???? ????Rain water harvesting is a ma jor method implemented f or_____________ (Answer : A)
???????? ???????? ???????????? a) Water Conservation b ????b) Soil Conservation c ????c) Forest conservation d ????d)Ecological
conservation
???????????? 376 ???? ????Salmonellosis is a disease related to consumption of (Answer : D)
???????? ???????? ???????????? a) Chicken b ????b) Eggs c ????c) Mutton d ????d)Fish
???????????? 377 ???? ????Soil pollution is caused by.... (Answer : D)
???????? ???????? ???????????? a) a) Industrial wastes ????b) b) Detergents ????c) c) Agrochemicals ????d)d) All of these
???????????? 378 ???? ????Some pollutants combine with hemoglobin and impede oxygen tr ansport. Such pollutants are...
(Answer : C)
???????? ???????? ???????????? a) a) SO 3 ????b) b) N2 O ????c) c) CO ????d)d) All of these
???????????? 379 ???? ????Spr aying of DDT to kill insects causes pollution of..... (Answer : D)
???????? ???????? ???????????? a) a) Air ????b) b) Water ????c) c) Soil ????d)d) All of these
???????????? 380 ???? ????Superbugs are (Answer : B)
???????? ???????? ???????????? a) Synthetic bug b ????b) Bacteria c ????c) Radio nucleotide d ????d)Industries
???????????? 381 ???? ????The 3 R principle in waste management involves (Answer : B)
???????? ???????? ???????????? a) Reduce, Regain, Reuse b ????b) Reduce, Reuse, Recycle c ????c) Reduce, Ref orm, Reset d ????d)Reduce,
Retain, Regain
???????????? 382 ???? ????The Anthr ax disease is caused by (Answer : B)
???????? ???????? ???????????? a) Virus b ????b) Bacteria c ????c) Protozoa d ????d)Helminthes
???????????? 383 ???? ????The chemical structure of Ozone is (Answer : B)
???????? ???????? ???????????? a) O 2 ????b) O3 ????c) O4 ????d)OZ3
???????????? 384 ???? ????The controversial dam across the river Narmada? (Answer : A)
???????? ???????? ???????????? a) Sardar Sarovar b ????b) Hir akud c ????c) Bhakr anangal d ????d)Sutlej.
???????????? 385 ???? ????The deadliest Tsunami in recorded history took place on (Answer : A)
???????? ???????? ???????????? a) 26-Dec-2004 b ????b) 26-Dec-2000 c ????c) 15-Nov-1990 d ????d)15-Dec-1999
???????????? 386 ???? ????The environmental stresses caused by urban individuals are expressed by (Answer : B)
???????? ???????? ???????????? a) Ecological pyr amid ????b) (b) Ecological f ootprint ????c) (c) Ecological indicators ????d)(d) Ecological index
???????????? 387 ???? ????The Expansion of SPCA (Answer : B)
???????? ???????? ???????????? a) Society f or the Protection of Common Animals b ????b) Society f or the Prevention of Cruelty to
Animals c ????c) Society f or the Prohibition of Cruelty to Animals d ????d)none
???????????? 388 ???? ????The expansion on PQLI is (Answer : A)
???????? ???????? ???????????? a) physical quality of lif e index b ????b) population quotient of lif e in India c ????c) poor quality of lif e in
India d ????d)poverty, quality of lif e in India
???????????? 389 ???? ????The f unction of ozone layer (Answer : C)
???????? ???????? ???????????? a) a) to prevent strong wind and r ains ????b) b) to f acilitate precipitation at lower levels ????c) c) to protect
earth from sun?s harmf ul ultr a-violet r adiation ????d)d) to increase the supply of oxygen
???????????? 390 ???? ????The historical monument that is af f ected by acid r ain is (Answer : A)
???????? ???????? ???????????? a) Ta j Mahal b ????b) Pyr amid of Egypt c ????c) Pisa T ower d ????d)Golden Temple
???????????? 391 ???? ????The intensity of earthquake is measured in ____________ (Answer : B)
???????? ???????? ???????????? a) Beauf ort scale b ????b) Richter scale c ????c) Mohs scale d ????d)Joules
???????????? 392 ???? ????The ma jor cause of depletion of ozone layer in the atmosphere is... (Answer : B)
???????? ???????? ???????????? a) a) Freon Gases ????b) b) CFC ????c) c) N 2 O ????d)d) CO 2
???????????? 393 ???? ????The ma jor reason why earth?s surf ace increases its temper ature is due to (Answer : C)
???????? ???????? ???????????? a) a) The earth?s surf ace is getting exposed ????b) b) The increase in the use of plastics ????c) c) About
75% of the solar energy reaching the earth surf ace is getting absorbed by earth ????d)The depleation of ozone
???????????? 394 ???? ????The method of simultaneous integr ation of trees with agricultur al crops is called (Answer : A)
???????? ???????? ???????????? a) Agro f orestry b ????b) Def orestation c ????c) Ref orestation d ????d)combined culture
???????????? 395 ???? ????The most widely f ound pollutant in the air is..... (Answer : A)
???????? ???????? ???????????? a) a) CO 2 ????b) b) CFC ????c) c) CO ????d)d) SO 2
???????????? 396 ???? ????The movement ?Pani Pan jayath? was initiated to conserve waters in the drought prone areas of
...................state. (Answer : C)
???????? ???????? ???????????? a) Tamilnadu b ????b) Ra jasthan c ????c) Mahar ashtr a d ????d)Karnataka
???????????? 397 ???? ????The nations threatened by submergence on account of global warming (Answer : D)
???????? ???????? ???????????? a) a) Pakistan and Afghanistan ????b) b) Ir an and Bangladesh ????c) c) Peru and West Indies ????d)d)
Bangladesh and Maldives
???????????? 398 ???? ????The pro jected rise in sea level in the near f uture (Answer : C)
???????? ???????? ???????????? a) a) 1.5 m ????b) b) 1.2 cm to 2.2 cm ????c) c) 9 cm to 88 cm ????d)d) 10 cm to 20 cm
???????????? 399 ???? ????The pro jected rise in temper ature in the next f ew decades (Answer : B)
???????? ???????? ???????????? a) a) 1.5 to 2 O C ????b) b) 1.4 to 5.8 O C ????c) c) 2.5 to 3.9 O C ????d)d) 1.5 to 9.2 O C
???????????? 400 ???? ????The R?s in 3Rs Principle stand f or; (Answer : B)
???????? ???????? ???????????? a) a) Reduce, Readiness, Redo ????b) b) Reduce, Reuse, Recycle ????c) c) Reclaim, Remedy,
Remembr ance ????d)d) Reduce, Register, Redo
???????????? 401 ???? ????The term ?Nuclear winter? is associated with (Answer : D)
???????? ???????? ???????????? a) Nuclear War b ????b) Nuclear disarmament c ????c) Nuclear weapon testing d ????d)After ef f ect of a
nuclear explosion
???????????? 402 ???? ????The word Tsunami is derived from two Japanese words (Answer : B)
???????? ???????? ???????????? a) tsu(big) and nami(flow) ????b) tsu(harbour) and nami(wave) ????c) tsu(big wave) and nami(wave)
????d)None of these
???????????? 403 ???? ????The World Wetlands Day is celebr ated on ________ (Answer : A)
???????? ???????? ???????????? a) February 02 b ????b) February 28 c ????c) June 05 d ????d)March 21
???????????? 404 ???? ????T orrey Canyon is f amous f or (Answer : D)
???????? ???????? ???????????? a) Gulf of War b ????b) Industries c ????c) Electric Potential d ????d)Oil spillage
???????????? 405 ???? ????Utilisation of natur al resources in moder ate manner to remaining something f or the next gener ation is
termed as (Answer : B)
???????? ???????? ???????????? a) a) Resettlement ????b) b) Sustainable development ????c) c) Rehabilitation ????d)d) Mutual development
???????????? 406 ???? ????Vermi-composting is a natur al method of (Answer : A)
???????? ???????? ???????????? a) Producing compost manure b ????b) Producing worms c ????c) Managing waste it creates d
????d)Destroying worms
???????????? 407 ???? ????Water pollution is caused by.... (Answer : B)
???????? ???????? ???????????? a) a) CO ????b) b) Fertilizers ????c) c) PAN ????d)d) Fossil f uels
???????????? 408 ???? ????What are the chemicals that lead to acid r ain? (Answer : B)
???????? ???????? ???????????? a) A) hydrogen peroxide ????b) B) sulf ur dioxide & nitrogen oxide ????c) C) Carbon dioxide ????d)D)
Ammonium phosphate & various silicates.
???????????? 409 ???? ????What causes acid r ain? (Answer : B)
???????? ???????? ???????????? a) A) open def ecation ????b) B) burning of f ossil f uels ????c) C) increase spread of paddy fields ????d)D)
the use of cowdung.
???????????? 410 ???? ????What is ?Black Lung?? (Answer : A)
???????? ???????? ???????????? a) Occupational Hazard to the miners b ????b) Occupational Hazard to navigators c ????c) Occupational
Hazard to pesticide applicators. d ????d)None of these
???????????? 411 ???? ????What is ?tempor ary threshold shift?? (Answer : A)
???????? ???????? ???????????? a) Hearing loss due to excessive noise b ????b) Noise that is untoler able c ????c) T oler able noise d
????d)inaudible noise
???????????? 412 ???? ????What is Bagasse? What is it used f or? (Answer : A)
???????? ???????? ???????????? a) Sugar cane waste ? to make paper b ????b) Biogas ? used as f uel c ????c) Liquid waste ? as f ertilizer d
????d)Vermi compost ? as f ertilizer
???????????? 413 ???? ????What is Carcinogen? (Answer : C)
???????? ???????? ???????????? a) Drugs f or curing inf ectious disease b ????b) Drugs used f or curing cancer c ????c) Cancer causing
agent d ????d)Food colour ants
???????????? 414 ???? ????What is GIS? (Answer : A)
???????? ???????? ???????????? a) Geogr aphical Inf ormation System (b ????b) Geological Inf ormation System (c ????c) Geogr aphical Index
System (d ????d)Geogr aphical Inf ormation Status
???????????? 415 ???? ????What is meant by GM f oods? (Answer : B)
???????? ???????? ???????????? a) Growth modified f oods b ????b) Genetically modified f ood c ????c) Growth marked f oods d ????d)Good
mobility f ood
???????????? 416 ???? ????What is the aver age increase in temper ature over last century? (Answer : D)
???????? ???????? ???????????? a) a) 0.6 ????b) b) 0.2 ????c) c) 0.7 ????d)d) 0.8
???????????? 417 ???? ????Where was the Stockholm conf erence on Human Environment held? (Answer : A)
???????? ???????? ???????????? a) Sweden b ????b) Austria c ????c) India d ????d)Greece
???????????? 418 ???? ????Which among the f ollowing is a water borne disease? (Answer : A)
???????? ???????? ???????????? a) Choler a ????b) (b) Tuberculosis ????c) (c) AIDS ????d)(d) Dermatitis
???????????? 419 ???? ????Which blood cells get af f ected by HIV? (Answer : B)
???????? ???????? ???????????? a) RBC ????b) (b) Lymphocytes ????c) (c) Monocytes ????d)(d) Basophil
???????????? 420 ???? ????Which group of mosquitoes are the vectors of malaria? (Answer : C)
???????? ???????? ???????????? a) Culex ????b) (b) Aedes ????c) (c) Anopheles ????d)(d)Mansonia
???????????? 421 ???? ????Which heavy metal is the cause f or black f oot disease? (Answer : B)
???????? ???????? ???????????? a) Cadmium ????b) (b) Arsenic ????c) (c) Mercury ????d)(d) Lead
???????????? 422 ???? ????Which is the first state in India that enf orced a ban to the manuf acture and use of plastics (Answer :
C)
???????? ???????? ???????????? a) Ker ala ????b) West Bangal ????c) Uttarpr adesh ????d)Delhi
???????????? 423 ???? ????Which is the warmest year on record? (Answer : D)
???????? ???????? ???????????? a) a) 1998 ????b) b) 2010 ????c) c) 2015 ????d)d) 2016
???????????? 424 ???? ????Which of the f ollowing is considered a nuclear disaster ? (Answer : D)
???????? ???????? ???????????? a) a) Bhopal Tr agedy of 1984 ????b) b) Chernobyl USSR ????c) c) Three mile incident ????d)d) both b & c
???????????? 425 ???? ????Which one is an example f or megacity in India? (Answer : B)
???????? ???????? ???????????? a) Kochi ????b) (b) Mumbai ????c) (c) Bangalore ????d)(d) Madr as359.
???????????? 426 ???? ????Which one is the permanent sterilization method used f or f emales? (Answer : A)
???????? ???????? ???????????? a) Tubectomy ????b) (b) Vasectomy ????c) (c) Microtomy ????d)(d) Contr aceptive pills
???????????? 427 ???? ????Which state proposed a ban on all types of polythene packing f or the first time in India? (Answer : A)
???????? ???????? ???????????? a) Himachal Pr adesh b ????b) Madhya Pr adesh c ????c) Ker ala d ????d)Karnataka
???????????? 428 ???? ????Which year was declared as the ?Water Year? by Indian government (Answer : C)
???????? ???????? ???????????? a) 2010 b ????b) 2004 c ????c) 2007 d ????d)2000
???????????? 429 ???? ????Who coined the slogan of ?Chipko Movement ? Ecology is Permanent economy (Answer : C)
???????? ???????? ???????????? a) Jawaharlal Nehru b ????b) Salim Ali c ????c) Sunderlal Bahuguna d ????d)Rachel Carson
???????????? 430 ???? ????Who had stated in the Stockholm Conf erence in 1972 that poverty was the greatest polluter? (Answer :
A)
???????? ???????? ???????????? a) Indir a Gandhi b ????b) Mahatma Gandhi c ????c) Ra jiv Gandhi d ????d)Jawaharlal Nehru
???????????? 431 ???? ????Wild lif e protection act was f ormulated during the period of ______ (Answer : A)
???????? ???????? ???????????? a) Mrs. Indir a Gandhi b ????b) Lal Bahadur Shasthri c ????c) Ra jiv Gandhi d ????d)Mor ar ji Desai
???????????? 432 ???? ????With the signing of ---------------------- in 1987, a treaty f or the protection (Answer : D)
???????? ???????? ???????????? a) of ozone layer, the use of -------------- was to be banned by the year ............. ????b) a) Kyoto Protocol,
f ossil f uels, 2010 b) GATT, opium, 2000 ????c) c) BOLT, Ammonia, 2000 ????d)d) Montreal Protocol, CFCs, 2000
???????????? 433 ???? ????World Earth Day is observed on (Answer : D)
???????? ???????? ???????????? a) May 24 b ????b) July 5 c ????c) Aug 2 d ????d)April 22
???????????? 434 ???? ????World environment day is observed every year marks the anniversary of (Answer : B)
???????? ???????? ???????????? a) a) Ramsar Convention-1971 ????b) b) Stockholm conf erence-1972 ????c) c) Rio de Janerio Earth
Summit-1992 ????d)d) Indian Forest Conservation Act -1982
???????????? 435 ???? ????World Water Day is celebr ated on ___________ (Answer : C)
???????? ???????? ???????????? a) May 22 b ????b) June 05 c ????c) March 22 d ????d)May 11
???????????? 436 ???? ????Expand GIS (Answer : A)
???????? ???????? ???????????? a) Geogr aphical Inf ormation System ????b) Geogr aphical Inf ormation Source ????c) Geological
Inf ormation System ????d)Geological Index System
???????????? 437 ???? ????MoEF means (Answer : B)
???????? ???????? ???????????? a) Ministry of Forest and Energy ????b) Ministry of Environment and Forests ????c) Ministry of Fuel and
Energy ????d)Management of Environment and Forestry
???????????? 438 ???? ????Ozone layer is present in (Answer : B)
???????? ???????? ???????????? a) Troposphere ????b) Str atosphere ????c) Mesosphere ????d)Ionosphere
???????????? 439 ???? ????Sedimentation is a (Answer : A)
???????? ???????? ???????????? a) Primary water treatment ????b) Secondary water treatment ????c) Tertiary water treatment ????d)None
of these
???????????? 440 ???? ????Rain during November is more acidic than monsoon r ain due to (Answer : B)
???????? ???????? ???????????? a) Dissolved CO2 ????b) Dissolved SO2 ????c) Dissolved NO2 ????d)None of the above.
???????????? 441 ???? ????Which chemical was responsible f or Bhopal gas tr agedy? (Answer : A)
???????? ???????? ???????????? a) Methyl iso Cyanate ????b) Benzene Hexa Chloride ????c) Tri Nitro T oluene ????d)B & C
???????????? 442 ???? ????Ganga Action Plan in India was launched in the year _________ (Answer : B)
???????? ???????? ???????????? a) 1988 ????b) 1985 ????c) 1980 ????d)1978
???????????? 443 ???? ????What is the name of the action plan f or sustainable development in the Twenty first century fr amed
in the Rio Declar ation on Environment & Development (1992)? (Answer : B)
???????? ???????? ???????????? a) Action 21 ????b) Agenda 21 ????c) Rio 21 ????d)Declar ation 21
???????????? 444 ???? ????The unit of measurement of intensity of sound is in _________ (Answer : A)
???????? ???????? ???????????? a) Decibels ????b) Lux ????c) Parsec ????d)Candela
???????????? 445 ???? ????Enrichment of water body by nutrients like phosphorus and nitrogen called ____________________
(Answer : B)
???????? ???????? ???????????? a) Succession ????b) Eutrophication ????c) Str atification ????d)Climax Vegetation
???????????? 446 ???? ????The worst nuclear accident happened to date is occurred at ___________ (Answer : A)
???????? ???????? ???????????? a) Chernobyl in 1986 ????b) Three Mile Power Plant in 1979 ????c) Sellafield in 1957 ????d)Fukushima in 2011
???????????? 447 ???? ????Ma jor cause of Ozone depletion is due to which chemical? (Answer : A)
???????? ???????? ???????????? a) ChloroFluoroCarbons ????b) Polyphenols ????c) Dioxins ????d)Rayon
???????????? 448 ???? ????The legally binding international agreement to reduce Greenhouse gases by 5% 2012 is _________
(Answer : C)
???????? ???????? ???????????? a) Vienna convention ????b) Montreal Protocol ????c) Kyoto Protocol ????d)None of the above
???????????? 449 ???? ????Which of the f ollowing enhances soil f ertility? (Answer : A)
???????? ???????? ???????????? a) Crop rotation ????b) Improved methods of agriculture ????c) Using new seed varieties ????d)Irrigation
???????????? 450 ???? ????Salinization is ______________________ (Answer : B)
???????? ???????? ???????????? a) Accumulation of salts in water ????b) Accumulation of salts in soil ????c) Accumulation of salts in body
????d)Accumulation of salts in animals
???????????? 451 ???? ????What is oil slick? (Answer : C)
???????? ???????? ???????????? a) Boiled oil ????b) Cooled oil ????c) Thin film of oil in sea water ????d)Oil in deep sea
???????????? 452 ???? ????Cigarette smoking exposes one to __________ (Answer : D)
???????? ???????? ???????????? a) Sulphur dioxide ????b) Carbon dioxide ????c) Nitrogen peroxide ????d)Carbon monoxide
???????????? 453 ???? ????Ozone Hole is a _____________ (Answer : B)
???????? ???????? ???????????? a) Hole in the atmosphere ????b) Destruction of ozone layer ????c) Hole in the hydrosphere ????d)Hole in
the troposphere
???????????? 454 ???? ????Euro II standard ref ers to _________ (Answer : C)
???????? ???????? ???????????? a) Lowering sulf ur content in f uel ????b) Increasing sulf ur content in f uel ????c) Lowering carbon content
in f uel ????d)increasing carbon content in f uel
???????????? 455 ???? ????What is tempor ary threshold shift? (Answer : A)
???????? ???????? ???????????? a) Hearing loss due to excessive noise ????b) Noise that is untoler able ????c) T oler able noise ????d)Inaudible
noise
???????????? 456 ???? ????Acid is an example of _____________ (Answer : A)
???????? ???????? ???????????? a) Corrosive waste ????b) Inf ectious waste ????c) Radioactive waste ????d)Ignitable waste
???????????? 457 ???? ????Any unf avor able alter ation of the environment may be called as (Answer : B)
???????? ???????? ???????????? a) Eutrophication ????b) Environmental pollution ????c) Biomagnification ????d)Bioaccumulation
???????????? 458 ???? ????The presence of solid, liquid or gaseous compounds, which may not be normally present, or in excess
concentr ation in the atmosphere is called (Answer : A)
???????? ???????? ???????????? a) Air pollution ????b) Water pollution ????c) Soil pollution ????d)Radioactive pollution
???????????? 459 ???? ????The depletion of trees is causing accumulation of (Answer : C)
???????? ???????? ???????????? a) NO2 ????b) SO2 ????c) CO2 ????d)O2
???????????? 460 ???? ????Smog is a (Answer : A)
???????? ???????? ???????????? a) Natur al phenomenon ????b) colourless gas ????c) combination of smoke and f og ????d)None of the
above
???????????? 461 ???? ????Air pollution from automobiles can be controlled by fitting (Answer : C)
???????? ???????? ???????????? a) Electrostatic precipitator ????b) wet scrubber ????c) Catalytic converter ????d)All the above.
???????????? 462 ???? ????Minamata disease is caused by (Answer : B)
???????? ???????? ???????????? a) Lead ????b) Mercurry ????c) Cadmium ????d)Arsenic
???????????? 463 ???? ????Which of the f ollowing is a natur al source of Air pollution? (Answer : D)
???????? ???????? ???????????? a) Acid r ain ????b) Precipitation ????c) Storms ????d)Volcanic eruptions
???????????? 464 ???? ????Ef f ect of carbon monoxide on blood, causing (Answer : D)
???????? ???????? ???????????? a) H2C03 ????b) COHb ????c) C02Hb ????d)HbCO2
???????????? 465 ???? ????Which of the f ollowing is a biodegr adable pollutant? (Answer : B)
???????? ???????? ???????????? a) DDT ????b) Sewage ????c) CFC ????d)Freons
???????????? 466 ???? ????The ma jor green house gas which is responsible f or causing about 60% of the green house ef f ect on
earth among the f ollowing is (Answer : A)
???????? ???????? ???????????? a) Carbon monoxide ????b) Methane ????c) NOx ????d)Carbon dioxide
???????????? 467 ???? ????Which of the f ollowing is not pollutant causing water pollution? (Answer : A)
???????? ???????? ???????????? a) Biodegr adable organic waste ????b) Non biodegr adable organic chemicals ????c) Inorganic substances
????d)None of these
???????????? 468 ???? ????BOD is a measure of (Answer : C)
???????? ???????? ???????????? a) Non biodegr adable organic matter ????b) Biodegr adable organic matter ????c) Both (a) and (b)
????d)None of these
???????????? 469 ???? ????Which among the f ollowing is not a primary air pollutant? (Answer : A)
???????? ???????? ???????????? a) Oxides of nitrogen ????b) Volatile organic compounds like hydrocarbons ????c) Suspended particulate
matter ????d)PAN
???????????? 470 ???? ????Longer exposure to NO2 even in small concentr ations may cause disease pertaining to (Answer : A)
???????? ???????? ???????????? a) Liver ????b) Lungs ????c) Kidneys ????d)Heart
???????????? 471 ???? ????Carbon dioxide reacts with moisture in the atmosphere f orming (Answer : A)
???????? ???????? ???????????? a) H2C02 ????b) H2C03 ????c) COHb ????d)CaHC03
???????????? 472 ???? ????Global worming means (Answer : A)
???????? ???????? ???????????? a) Increase in solar r adiation ????b) Increase in Earths Body Temper ature ????c) Acid Rain ????d)All the
above.
???????????? 473 ???? ????Which of the f ollowing is not a Green House Gas? (Answer : A)
???????? ???????? ???????????? a) Ozone ????b) C02 ????c) Water vapour ????d)SO2
???????????? 474 ???? ????Which of the f ollowing is not a solution f or Global worming? (Answer : A)
???????? ???????? ???????????? a) Reducing f ossil f uel consumption ????b) Plantation of more Trees ????c) Def orestation ????d)None of the
above
???????????? 475 ???? ????Global warming af f ects (Answer : A)
???????? ???????? ???????????? a) Food production ????b) Melting of glaciers ????c) Climate change ????d)All of these
???????????? 476 ???? ????The protocol that reduces green house gas emissions is (Answer : A)
???????? ???????? ???????????? a) Kyoto protocol ????b) Cartagena protocol ????c) Montreal protocol ????d)Vienna protocol
???????????? 477 ???? ????Important sources of land pollution are (Answer : A)
???????? ???????? ???????????? a) Industrial Wastes ????b) Agricultur al Wastes ????c) Both a & b ????d)None of the above
???????????? 478 ???? ????Green House ef f ect causes (Answer : A)
???????? ???????? ???????????? a) Rise in temper ature of earth ????b) Increase in r ainf all ????c) Lowering of acid r ain ????d)Lowering in
temper ature of earth
???????????? 479 ???? ????Climate and global air circulations are mainly af f ected by the properties of (Answer : A)
???????? ???????? ???????????? a) Water and air ????b) Temper ature ????c) Precipitation ????d)None of the above
???????????? 480 ???? ????Global atmospheric temper atures are likely to be increased due to (Answer : A)
???????? ???????? ???????????? a) Water pollution ????b) Burning of f ossil f uels ????c) Soil erosion ????d)None of the above
???????????? 481 ???? ????What is the maximum allowable concentr ation of fluorides in drinking water? (Answer : A)
???????? ???????? ???????????? a) 3.0 mg/L ????b) 2.5 mg/L ????c) 2.0 mg/L ????d)1.5mg/L
???????????? 482 ???? ????Domestic sewage is (Answer : A)
???????? ???????? ???????????? a) Waste water gener ated from kitchens and bathrooms ????b) Waste water from industries ????c)
Waste water from residential areas ????d)None of the above
???????????? 483 ???? ????The noise is measured in (Answer : A)
???????? ???????? ???????????? a) Decibels ????b) Joule ????c) ppm ????d)Celsius
???????????? 484 ???? ????The main impact of urbanization on plant and animal lif e is (Answer : A)
???????? ???????? ???????????? a) Increase in species ????b) Mutation in species ????c) Both (a) and (b) ????d)Loss of species
???????????? 485 ???? ????Smog is f ormed by the reaction of which air pollutants (Answer : A)
???????? ???????? ???????????? a) Smoke and Mist ????b) Smoke and Fog ????c) Smoke and Bio-Gas ????d)Smoke and Dust
???????????? 486 ???? ????Contribution of carbon dioxide to global warming from industries (Answer : A)
???????? ???????? ???????????? a) 0.5 ????b) 0.24 ????c) 0.25 ????d)0.75
???????????? 487 ???? ????Which of the f ollowing gas is not concern to green house ef f ect? (Answer : A)
???????? ???????? ???????????? a) C02 ????b) CH4 ????c) S02 ????d)Water Vapour
???????????? 488 ???? ????During green house ef f ect, carbon dioxide and water vapours absorbs (Answer : A)
???????? ???????? ???????????? a) Short wave r adiations ????b) Long wave r adiations ????c) Solar r adiation ????d)UV r adiations
???????????? 489 ???? ????Acid r ains are more prominent in (Answer : A)
???????? ???????? ???????????? a) Temper ate regions ????b) Tropical regions ????c) Arid regions ????d)Equally prominent in all
???????????? 490 ???? ????The important gaseous pollutants contributing to acid r ain are (Answer : A)
???????? ???????? ???????????? a) S02andNOx ????b) C02 and H2S ????c) NOxand03 ????d)None of the above
???????????? 491 ???? ????The ozone depletion in the str atosphere is chiefly caused by the release of (Answer : A)
???????? ???????? ???????????? a) Chlorofluoro carbons ????b) Carbon dioxide ????c) Methane ????d)None of the above
???????????? 492 ???? ????The highest value of Acid Rain Recorded was: (Answer : A)
???????? ???????? ???????????? a) 4.5 ????b) 5.7 ????c) 7.2 ????d)2
???????????? 493 ???? ????Movement of Nutrients from the soil by the Acid Rain is called: (Answer : A)
???????? ???????? ???????????? a) Infiltr ation ????b) Tr anspir ation ????c) Leaching ????d)Exfiltr ation
???????????? 494 ???? ????The term acid r ain was coined in the year (Answer : A)
???????? ???????? ???????????? a) 1952 ????b) 1852 ????c) 1652 ????d)1752
???????????? 495 ???? ????The ma jor contributors to the acid r ain are known as (Answer : A)
???????? ???????? ???????????? a) Precursors ????b) Processors ????c) Protons ????d)Pollutants
???????????? 496 ???? ????Primary cause of acid r ain around the world is due to (Answer : A)
???????? ???????? ???????????? a) Carbon dioxide ????b) suphur dioxide ????c) carbon monoxide ????d)Ozone
???????????? 497 ???? ????Ma jor compounds responsible f or the destruction of Ozone layer is (Answer : A)
???????? ???????? ???????????? a) Oxygen ????b) CFC ????c) CO2 ????d)CH4
???????????? 498 ???? ????Which of the f ollowing is the remedial measure f or acid r ain? (Answer : A)
???????? ???????? ???????????? a) Reducing the release of oxides of nitrogen and sulphur into the atmosphere ????b) Use of coal, free
from sulphur ????c) Use of electrostatic precipitator and catalytic converters ????d)All of the above
???????????? 499 ???? ????The pH of acid r ain is (Answer : A)
???????? ???????? ???????????? a) Less than 5.7 ????b) Less than 3.7 ????c) Less than 1.7 ????d)Less than 2.7
???????????? 500 ???? ????Acid r ain af f ects (Answer : A)
???????? ???????? ???????????? a) Materials ????b) Plants ????c) Soil ????d)All of the above
???????????? 501 ???? ????Ozone layer is measured in (Answer : A)
???????? ???????? ???????????? a) Centimeters ????b) Millimeters ????c) Decibels ????d)Dobson Units
???????????? 502 ???? ????Animal husbandry may result in (Answer : A)
???????? ???????? ???????????? a) Global warming ????b) Ozone depletion ????c) Genetic Damage ????d)None of the above
???????????? 503 ???? ????Freons are called (Answer : A)
???????? ???????? ???????????? a) Hydrocarbons ????b) Ozone ????c) Methane ????d)Solvents
???????????? 504 ???? ????Karnataka State Pollution Control Board was established in the year (Answer : A)
???????? ???????? ???????????? a) 1974 ????b) 1976 ????c) 1982 ????d)1986
???????????? 505 ???? ????Amount of CO2 content in atmospheric Air is normally (Answer : A)
???????? ???????? ???????????? a) 0.0021 ????b) 0.416% ????c) 0.318% ????d)0.428%
???????????? 506 ???? ????EPA means (Answer : A)
???????? ???????? ???????????? a) Environmental Prevention Act ????b) Environmental Protection Act ????c) Environmental Pollution Act
????d)Environmental Protection Agency
???????????? 507 ???? ????Which of the f ollowing is the authority to monitor state industrial ef fluents? (Answer : A)
???????? ???????? ???????????? a) Centre f or science and development ????b) State pollution control board ????c) Indian environmental
association ????d)None of these
???????????? 508 ???? ????Environmental education is targeted to (Answer : A)
???????? ???????? ???????????? a) Gener al public ????b) Technicians and scientists ????c) Prof essional social groups ????d)All of these
???????????? 509 ???? ????Environment Protection Act of 1986 is meant f or (Answer : A)
???????? ???????? ???????????? a) Waste management ????b) Desert management ????c) Forest management ????d)Protection of human
environment including human, plants, animals and property
???????????? 510 ???? ????World environment day is celebr ated on (Answer : A)
???????? ???????? ???????????? a) June 5th ????b) November 5th ????c) December 5th ????d)April 5th
???????????? 511 ???? ????The air prevention and control of pollution Act was enacted in the year (Answer : A)
???????? ???????? ???????????? a) 1987 ????b) 1974 ????c) 1981 ????d)1986
???????????? 512 ???? ????The first ma jor environmental protection law promulgated in India was (Answer : A)
???????? ???????? ???????????? a) Environmental Act ????b) Water Act ????c) Air Act ????d)None of these
???????????? 513 ???? ????Water Pollution, Prevention and Control Act was enacted in the year (Answer : A)
???????? ???????? ???????????? a) 1984 ????b) 1974 ????c) 1986 ????d)1994
???????????? 514 ???? ????Environmental protection is the responsibility of (Answer : A)
???????? ???????? ???????????? a) Government of India ????b) NGOs ????c) Individuals ????d)All of the above
???????????? 515 ???? ????Environmental protection is a f undamental duty of the citizen of India under the (Answer : A)
???????? ???????? ???????????? a) Article 51-A(g) ????b) 48-A ????c) 47 ????d)21
???????????? 516 ???? ????The environmental (protection) act of India was enacted in the year (Answer : A)
???????? ???????? ???????????? a) 1956 ????b) 1966 ????c) 1986 ????d)1996
???????????? 517 ???? ????Name the disease caused by mercury poisoning in Japan (Answer : D)
???????? ???????? ???????????? a) Itai itai ????b) Xeroderma pigmentosum ????c) Measles ????d)Minamata disease
???????????? 518 ???? ????The place where the worst nuclear disaster took place? (Answer : B)
???????? ???????? ???????????? a) Washington ????b) Chernobyl ????c) Bhopal ????d)Japan
???????????? 519 ???? ????Aquatic lif e is damaged by (Answer : C)
???????? ???????? ???????????? a) Sound pollution ????b) Air Pollution ????c) Thermal pollution ????d)All of these
???????????? 520 ???? ????Acid r ain mainly result from (Answer : A)
???????? ???????? ???????????? a) Sulf ur dioxide ????b) Carbon dioxide ????c) Carbon monoxide ????d)Ammonia
???????????? 521 ???? ????Ozone depletion is mostly caused by (Answer : C)
???????? ???????? ???????????? a) CO2 ????b) Ccl ????c) CFCs ????d)CO
???????????? 522 ???? ????BOD of a river water is f ound very high. This means water (Answer : B)
???????? ???????? ???????????? a) Is clear ????b) Is highly polluted ????c) Contain Algae ????d)Contain many dissolved miner als
???????????? 523 ???? ????Global warming is caused by (Answer : A)
???????? ???????? ???????????? a) GHGs ????b) CFCs ????c) CH4 ????d)NO2
???????????? 524 ???? ????The darkening of the skin due to arsenic poisoning is called (Answer : B)
???????? ???????? ???????????? a) Black syndrome ????b) Dif f use melanosis ????c) Skin scaling ????d)None of these
???????????? 525 ???? ????Boron, Zinc and Manganese are usually ref erred to as (Answer : A)
???????? ???????? ???????????? a) Micronutrients ????b) Macronutrients ????c) Soil Vitamins ????d)MBZ nutrients
???????????? 526 ???? ????Inciner ation of Municipal waste involves (Answer : A)
???????? ???????? ???????????? a) Oxidation ????b) Deduction ????c) Redox action ????d)Disintegr ation
???????????? 527 ???? ????The f amous Minamata disease in Japan is due to the accumulation of____________in fishes (Answer : B)
???????? ???????? ???????????? a) Cadmium ????b) Mercurry ????c) Zinc ????d)Lead
???????????? 528 ???? ????Soil pollution is caused by (Answer : C)
???????? ???????? ???????????? a) Aerosol ????b) Ozone ????c) Acid Rain ????d)PAN
???????????? 529 ???? ????Green House ef f ect is caused by (Answer : A)
???????? ???????? ???????????? a) Increase in CO2 ????b) Increase in O2 ????c) Decrease in O2 ????d)Decrease in CO2
???????????? 530 ???? ????_____________ is the poisonous gas leaked during Bhopal gas tr agedy (Answer : A)
???????? ???????? ???????????? a) MIC ????b) PVC ????c) Teflon ????d)Hydrogen Sulphide
???????????? 531 ???? ????The term Nuclear winter is associated with (Answer : D)
???????? ???????? ???????????? a) Nuclear War ????b) Nuclear disarmament ????c) Nuclear weapon testing ????d)After ef f ect of a nuclear
explosion
???????????? 532 ???? ????The phenomenon of accumulation of non-biodegr adable pesticides in human beings (Answer : B)
???????? ???????? ???????????? a) Biomagnification ????b) Bioaccumulation ????c) Biodegr adation ????d)Bioremediation
???????????? 533 ???? ????Example f or a physical pollutant (Answer : C)
???????? ???????? ???????????? a) Water ????b) Air ????c) Radiation ????d)Plant
???????????? 534 ???? ????DDT is a ______________ pollutant (Answer : B)
???????? ???????? ???????????? a) Bio degr adable ????b) Non bio degr adable ????c) Un-biodegr adable ????d)Natur ally degr adable
???????????? 535 ???? ????Eutrophication results from (Answer : A)
???????? ???????? ???????????? a) Agricultur al and sewage water ????b) Vehicle exhaust ????c) Pesticides ????d)Industrial ef fluents
???????????? 536 ???? ????The cause of Bhopal disaster is (Answer : C)
???????? ???????? ???????????? a) Methyl Alcohol ????b) Methyl Carbonate ????c) Methyl Iso Cyanate ????d)Methyl Sulphate
???????????? 537 ???? ????What is meant by root zone process? (Answer : A)
???????? ???????? ???????????? a) A control measure to prevent water pollution ????b) A process by which roots of plants are spread on
the ground ????c) A control measure to prevent soil pollution ????d)None of these
???????????? 538 ???? ????Exxon Valdez? (Answer : A)
???????? ???????? ???????????? a) Oil Tanker which sank in 1989 along the coast of Alaska and marine lif e seriously af f ected ????b) A
plane which cr ashed and caused death of human lif e ????c) A ship which wrecked on the coast of India ????d)None of these
???????????? 539 ???? ????BOD stands f or (Answer : C)
???????? ???????? ???????????? a) Biological Oxygen Decrease ????b) Biotic Oxygen Demand ????c) Biological Oxygen Demand ????d)None
of the above
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