Calicut University 2020 Important Questions (Question Bank) || (University of Calicut)
Question Bank of 1 Semester Degree
Audit Course - 1E01: Environmental Studies
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- "Narmada Bachao Andholan' is an initiative by (Answer: A)
a) Medha Patkar b) Sunderlal Bahguna c) Indhira Gandhi d) Madhav Gadgil - Autobiography of Dr. Salim Ali (Answer : B)
a) Wings of a sparrow b) Fall of a sparrow c) Song of a sparrow d) Life of a sparrow - BNHS is located in (Answer : B)
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a) Delhi b) Mumbai c) Bihar d) Assam - E. O. Wilson's book which won the award for Best Book on Environmental isssues (Answer: B)
a) Biodiversity b) Diversity of Life c) Nature d) Man and Life - Earth provides enough to satisfy every man's need, but not for every mans greed - words by (Answer : B)
a) Tagore b) Gandhiji c) Nehru d) Sardar Patel - Expand WWF (Answer: A)
a) World Wide Fund for Nature b) World Wide Fund for Forest c) World Wide Fund for Environment d) World Wide Fund for Biodiversity - Indian Prime minister who played significant role in conservation of wild life (Answer : B)
a) Rajiv Gandhi b) Indira Gandhi c) Manmohan Singh d) A B Vajpai - Indias s most famous environmental Lawyer (Answer: A)
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a) M. C. Mehta b) S. P. Godrej c) M. S. Swaminathan d) Anil Agarwal - Magazine of Bombay Natural History Society is named as (Answer : D)
a) Panda b) Peacock c) Tiger d) Hornbill - The book silent spring was written by (Answer : C)
a) Madhav Gadgil b) Anil Agarwal c) Rachel Carson d) E.O.Wilson - Wild Life Institute of India is located in (Answer: C)
a) Andaman b) Hyderabad c) Dehradun d) Bangalore - World Environment Day (Answer : A)
a) 5th June b) 5th July c) 5th August d) 5th September - The biggest award for environmental activities in India is given in the name of an individual. In whose name is it constituted? (Answer : C)
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a) Lal Bahadur Shasthri b) Morarji Desai c) Indira Gandhi d) Kamaraj. - All forms of water that comes down on Earth, including rain, snow, hail etc. is known as (Answer: C)
a) Calcification b) Fixation c) Precipitation d) Accumulation - The ocean covers percentage of Earth's surface. (Answer : C)
a) 515 b) 0.61 c) 0.71 d) 0.91 - The portion of the earth and its environment which can support life is known as (Answer: B)
a) Crust b) Biosphere c) Exosphere d) Atmosphere - 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 - The main energy source for the environment is (Answer: A)
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a) Solar energy b) Chemical energy c) Bioelectric energy d) Electrical energy - What is UNCED? (Answer : C)
a) United Nations Conference on Education b) United Nations Conference on Environmental Day c) United Nations Conference on Environment and Development d) None of these. - Atmospheric humidity is measured by (Answer : C)
a) Auxanometer b) Photometer c) Hygrometer d) None - The area to which a species is biologically adapted to live is known (Answer : B)
a) Niche b) Habitat c) Succession d) Community - Study of inter-relationship between organisms and their environment is called (Answer : A)
a) Ecology b) Ecosystem c) Phytogeography d) Ethology - The term Ecology was coined by (Answer : B)
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a) A.G.Tansley b) Earnst Haeckel c) Aristotle d) Linnaeus - An example of an abiotic component (Answer: B)
a) Plants b) Soil c) Animals d) Bacteria - The area to which a species is biologically adapted to live is known (Answer : B)
a) Niche b) Habitat c) Succession d) Community - The objective of environmental education is (Answer : D)
a) Raise consciousness about environmental education b) To teach environmentally appropriate behaviour c) Create an environmental ethic that fosters awareness about ecological inter-dependence of economics, social and political d) All of the above - Which of the following is not influenced by human activities? (Answer : A)
a) Depletion of ground water b) Destruction of mangroves and wetlands c) Increased extinction rate of species d) None of the above - Environmental education is important only at (Answer : D)
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a) Primary school stage b) Secondary school stage c) Collage stage d) All stages - Which of the following conceptual components of the environment are effective transporters of matter? (Answer: A)
a) Atmosphere and hydrosphere b) (b) Atmosphere and lithosphere c) (c) Hydrosphere and lithosphere d) (d) Lithosphere and biosphere - Biosphere is (Answer : B)
a) (a) The solid shell of inorganic materials on the surface of the Earth b) (b) The thin shell of organic matter on the surface 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 - Which of the following conceptual sphere of the environment is having the least storage capacity for matter? (Answer: A)
a) (a) Atmosphere b) (b) Lithosphere c) (c) Hydrosphere d) (d) Biosphere - Which of the following 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 - Weather occurs in the Earths: (Answer : A)
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a) (a) Troposhere b) (b) Mesophere c) (c) lonosphere d) (d) Thermosphere - Biosphere is a term used to represent the: (Answer : C)
a) (a) Entire atmosphere consisting of troposphere, stratosphere, 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 - The term ecology was introduced by: (Answer: A)
a) (a) Haeckel b) (b) Odum c) (c) Tansely d) (d) Ramdeo Mishra - The study of interactions between living and non-living organisms and environment is called (Answer : B)
a) (a) Ecosystem b) (b) Ecology c) (c) Phyto-geography d) (d) Phytosociology - 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 - The environment which has been modified by human activities is called (Answer : B)
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a) (a) Natural environment b) (b) Anthropogenic environment c) (c) Modem environment d) (d) Urban environment - Which of the following statements is not true? (Answer : C)
a) (a) Inorganic nutrients are recycled in an ecosystem b) (b) Energy flows through the ecosystem in the form of C-C bonds c) (c) Energy is recycled in an ecosystem d) (d) Respiration process releases energy - Driving force in an ecosystem is (Answer : C)
a) (a) Plants b) (b) Producers c) (c) Solar energy d) (d) Biomass energy - 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 - Which one of the following is an abiotic component of the ecosystem? (Answer : C)
a) (a) Bacteria b) (b) Plants c) (c) Humus d) (d) Fungi - Which of the following is a possible producer in an ecosystem? (Answer: A)
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a) (a) Plants b) (b) Animals c) (c) Human beings d) (d) Fish - The organisms which feed on dead organisms and excreta of living organisms are known (Answer : A)
a) (a) Decomposers b) (b) Consumers c) (c) Producers d) (d) Carnivores - A trophic level refers to: (Answer : C)
a) (a) Area in the tropics b) (b) An organism's portion in a food chain c) (c) An organism's position in an ecosystem d) (d) An organism's position in a biome - In a food 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 - The food chain in which microorganisms breakdown dead producers is called: (Answer : D)
a) (a) Consumer food chain b) (b) Predator food chain c) (c) Parasitic food chain d) (d) Detritus food chain - Food chain starts with (Answer: A)
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a) (a) Producer b) (b) Herbivores c) (c) Carnivores d) (d) Omnivores - In a food chain, humans are (Answer : D)
a) (a) Secondary consumers b) (b) Primary consumer c) (c) Producers d) (d) Primary and secondary consumers both - Which one is the correct food chain? (Answer: A)
a) (a) Phytoplankton -> Zooplankton ->> Fish c) (c) Zooplankton ->> Protozoans ->> Fish d) (d) Grass ->> Fish ->> Zooplankton - A food web consists of (Answer: A)
a) (a) Interlocking food chains b) (b) Producers, consumers and decomposers c) (c) A portion of a food chain d) (d) A set of similar consumers - Food webs are (Answer: C)
a) (a) One kind of food b) (b) Not related to food chains at all c) (c) Inter-connected arrangement of food chains d) (d) Linear arrangement of food chains - Pyramid of number is given by (Answer : C)
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a) (a) Haeckel b) (b) Odum c) (c) Elton d) (d) Tansely - Which ecological pyramid is always upright? (Answer : C)
a) (a) Pyramid of number b) (b) Pyramid of biomass c) (c) Pyramid of energy d) (d) Pyramid of number and biomass - An ecological pyramid refers to the (Answer : D)
a) (a) Pyramid of energy b) (b) Pyramid of number c) (c) Pyramid of biomass d) (d) All of the above - 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 - Energy flow in an ecosystem is always: (Answer : A)
a) (a) Unidirectional b) (b) Cyclic c) (c) Reversible d) (d) Multi-directional - The primary producers in a forest ecosystem are: (Answer : A)
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a) (a) Chlorophyll containing trees and plants b) (b) Herbivores c) (c) Carnivores d) (d) Bacteria - The desert among the following which is not a cold desert is: (Answer : D)
a) (a) Golbi desert b) (b) Patagonian desert c) (c) Atacama desert d) (d) Majava desert - The darker zone in lakes where light penetration is negligible is called the: (Answer : D)
a) (a) Euphotic zone b) (b) Littoral zone c) (c) Limnetic zone d) (d) Benthic zone - 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) Littoral zone - Which one of the following is not a fresh water biome? (Answer : A)
a) (a) Lotic b) (b) Lentic c) (c) Spings d) (d) Deep sea - Tendency of pollutants to become concentrated in successive trophic levels is known as: (Answer : A)
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a) (a) Biomagnification b) (b) Biorhythm c) (c) Bioremediation d) (d) Biopiracy - 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 - Increase in fauna and decrease in flora would be harmful due to increase in: (Answer : B)
a) (a) Diseases b) (b) CO c) (c) 02 d) (d) Radioactive pollution - The largest reservoir of nitrogen an our planet is: (Answer : B)
a) (a) Ocean b) (b) Atmosphere c) (c) Biosphere d) (d) Fossil fuels - Overgrazing results in: (Answer : A)
a) (a) Soil erosion b) (b) Retention of useful species c) (c) Productive soils d) (d) All of the above - In the world, the economy of the India is: (Answer : D)
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a) (a) Largest b) (b) Third largest c) (c) Second largest d) (d) Fourth largest - In services output, India is: (Answer : C)
a) 10 b) 12 c) 15 d) 4 - '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 - A liquid fuel that was formed from the ancient remains of sea plants and animals is (Answer : B)
a) Natural gas b) Petroleum c) Geothermal energy d) Coal - A poisonous gas given out of vehicles exhaust is (Answer : A)
a) Carbon monoxide b) Ethane c) Methane d) Carbon dioxide - A product of photosynthesis is (Answer : C)
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a) Carbon dioxide b) Water c) Oxygen d) Chlorophyll - Atmosphere consists of 79 percent Nitrogen and 21 percent Oxygen by (Answer: B)
a) Volume b) Weight c) Density d) All of these - Biogas contains mainly (Answer : B)
a) Carbon dioxide b) Methane c) Butane d) Propane - Carbon dioxide constitutes about 0.03% of the atmosphere (Answer : A)
a) By volume b) By weight c) By mass d) None of these - Development activities on the hydrosphere cause (Answer : C)
a) Air pollution b) Soil pollution c) Water pollution d) Soil erosion - Energy flow in an ecosystem is (Answer : C)
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a) Bidirectional b) Unidirectional c) Multidirectional d) All rounds - Energy from the heat inside the earth is (Answer: B)
a) a Natural gas b) Geothermal c) Petroleum d) Terrathermal - Energy in the rays from the sun is called (Answer: A)
a) Solar energy b) Wind energy c) Tidal energy d) Water energy - Environment is the life support system that includes (Answer : D)
a) Air b) Water c) Land d) All of the above - Extensive planting of trees to increase cover is called (Answer: A)
a) Afforestation b) Agroforestation c) Deforestation d) Social forestry - Extensive planting of trees to increase forest cover is called (Answer: A)
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a) Afforestation, b b) Agroforestry, c c) Deforestation, d d) Social forestry - Forest and wild life are (Answer: A)
a) Renewable resource b) Non-renewable resources c) Inexhaustible resources d) None of these - Forests prevent soil erosion by binding soil particles in their (Answer : B)
a) Leaves b) Roots c) Buds d) Stems - Formation of hole in Ozone is maximum over (Answer : C)
a) India b) Europe c) Antarctica d) Africa - Fossil fuel and metallic minerals are: (Answer : C)
a) Renewable resource b) Inexhaustible resources c) Non-renewable resources d) None of these - Green house effect is linked to (Answer : C)
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a) Nitrogen oxides b) Sulphur dioxides c) Carbon dioxides d) Carbon monoxides - In our country the percentage of land under forest is about: (Answer : B)
a) 20% b) 19% c) 25% d) 30% - In respect of water crisis, there have been conflicts/disputes between two countries, or states of the same country. Which of the following has never been the case of water conflict? (Answer : D)
a) Cauvery water dispute between Tamil Nadu and Karnataka b) Yamuna-Betwa dispute between U.P. and M.P. c) Sutlej Yamuna Link (SYL d) canal dispute between Punjab and Haryana - Instrumentation technology used to locate suitable places for mining (Answer : C)
a) a) Microscope b) b) Salinometer c) c) GIS d) d) camera trap - Kaveri water dispute is in between: (Answer : D)
a) India and Pakistan b) Punjab and Haryana c) Uttar Pradesh and Madhya Pradesh d) Karnataka and Tamil Nadu - Khetri (Rajasthan) is famous for: (Answer : B)
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a) Coal mines b) Copper mines c) Granite stone d) Marble stone - Main source of acid rain is (Answer : A)
a) Sulphur dioxide b) Nitrogen c) Carbon dioxide d) Carbon monoxide - Major consumer of wood from forest is (Answer : B)
a) Thermal Power Plant b) Paper Industry c) Chemistry Industry d) none - Moisture in the air is known as (Answer : D)
a) a) Water b) (b) Fog c) (c) Snow d) (d) Humidity - 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 - Name the financial agency which hesistate to support the Sardar Sarovar Project 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)
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a) a) Swiss bank b) b) World Bank c) c) Bank of India d) d) International Monetary Fund - Nitrogen constitutes about 78% of the atmosphere (Answer : C)
a) By weight b) By mass c) By volume d) None of these - Noise is measured by sound meter and the unit is (Answer : C)
a) Hertz b) Joule c) Decibel d) Seconds - One of India's serious environmental problems is forest degradation. What is the main cause of forest degradation? (Answer: A)
a) timber extraction b) honey extraction c) high altitude d) Low Rainfall - Ozone day is observed on (Answer : B)
a) 3rd January b) 16th September c) 10th November d) 26th March - Ozone Umbrella is located in which layer of atmosphere (Answer: B)
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a) a) Troposphere b) (b) Stratosphere c) (c) Mesosphere d) (d) lonosphere - Peeling of Ozone umbrella, which protects us from UV rays, is caused by (Answer : B)
a) Carbon monoxide b) CFCs c) Coal burning d) Methane - Soil erosion removes surface soil which contains (Answer : A)
a) Organic matter b) Plant nutrients c) Both a and b d) none of the above - Sustainable development means (Answer : C)
a) a. meeting present needs without compromising on future 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 - The adverse effect of modern agriculture is (Answer : B)
a) Water pollution b) Soil degradation c) Water logging d) All of the above - The fossil fuel that is derived from the dead remains of plants that grew some 250 million years ago is (Answer : C)
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a) Petroleum b) Natural gas c) Coal d) LPG - The impact of construction of dams (Answer : D)
a) Submerged forest b) Loss of wild life habitat c) Damages downstream ecosystem d) All of the above - The major cause for land degradation in our country is (Answer: A)
a) Soil erosion b) Pollution of soil c) Water-logging d) None of the above - The major reason for floods in the rivers Ganges and Brahmaputra is (Answer: B)
a) a) Dams in Himalayas b) b) Deforestation in Himalayas c) c) Heavy rains d) d) Melting of ice - The method of rainwater harvesting which can be adopted by individual house owners is (Answer: D)
a) Construction of recharge trenches b) On channel storage of water c) Creation of new water bodies d) Roof-top rainwater harvesting - The percentage of total world's precipitation, which is lost to the atmosphere through evaporation, approximates to: (Answer : A)
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a) 57% b) 7% c) 37% d) 43% - The process of restoring forests that once existed but was removed at some time in the past is known as (Answer: B)
a) Afforestation b) Reforestation c) Deforestation d) None of these - The share of Hydropower (Hydel projects) in worlds commercial electricity production is less than (Answer : D)
a) 2.00% b) 4.00% c) 12.00% d) 20.00% - The species restricted to be present in one region are called (Answer : B)
a) Edge species b) Endemic species c) Endangered species d) Keystone species - The teeth are likely to be pitted, more susceptible to cavities and wear, when the fluoride concentration is: (Answer: D)
a) More than 2 mg/l b) More than 40 mg/l c) More than 20 mg/l d) More than 4 mg/1 - The term 'Environment' has been derived from the French word which means to encircle or surround (Answer: A)
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a) Environ b) Oikos c) Geod d) Aqua - 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 - What are rodenticides? (Answer : C)
a) that kill fishes b) that kill insects c) that kill rats d) that kill crocos - What is Kyoto Protocol? (Answer: A)
a) a. It is an agreement among countries to take steps for reducing global warming. b) b. It is an agreement among countries to take steps for reducing acid rain. c) c. It is an agreement among countries to take steps for planting trees to control pollution. d) d. It is an agreement among countries to start using nuclear energy. - What is the major limiting factor in the arid areas of our country? (Answer : C)
a) a) Money b) b) forests c) c) water d) d) soil - What kind of people are the most ill-affected by the construction of dams? (Answer : D)
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a) a) Urban dwellers b) b) beach dwellers c) c) tourists d) d) tribal people - When fluoride concentration in H20 exceeds about 1.5 mg/l, the disease that may be caused, is (Answer: B)
a) Dental caries in children b) Fluorosis c) Polymyelitis d) Methemoglobinemia - Which among the following is a sedimentary type of cycle? (Answer: A)
a) Sulphur cycle b) Nitrogen cycle c) Oxygen cycle d) Carbon cycle - Which gas is responsible for ozone layer depletion around earth? (Answer : B)
a) Carbon dioxide b) Chlorofluorocarbons c) Oxygen d) Nitrogen oxide - Which gas is responsible for the global warming? (Answer : B)
a) Nitrogen b) Carbon dioxide c) Noble gases d) Hydrogen - Which is a list of renewable resources? (Answer : D)
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a) Petroleum, geothermal, wind b) Biomass, geothermal, hydropower c) Natural gas, wind, biomass d) Hydropower, solar, wind energy - Which is the only country who has not ratified the Kyoto Protocol yet? (Answer : A)
a) United States b) Australia c) Japan d) India - Which of below items is the major sector which extracts most of fresh water available for utilization? (Answer : D)
a) domestic use b) drinking water c) beverage industry d) agriculture - Which of the following are consequences of ozone depletion (Answer : A)
a) Skin cancer and cataract b) Reduced growth in plants c) Shortening of zooplanktons and their breeding period d) All of the above - Which of the following are major environmental issues involved in mining? (Answer: D)
a) air pollution b) water pollution c) soil degradation d) all of the above - Which of the following effect is responsible for Global Warming? (Answer: A)
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a) Green house effect b) Radioactive effect c) Solar effect d) Nuclear effect - Which of the following is management option for air pollution? (Answer : D)
a) Regulations and standards b) Transport planning c) Using CNG as fuel d) All of these - Which of the following is not a method for water conservation? (Answer : B)
a) Rainwater harvesting b) Groundwater extraction c) Improving irrigation efficiency d) Avoiding water wastage - Which of the following is not a viable protection against deforestation? (Answer : C)
a) Reduce the consumption of forest and related products b) Boycott products of companies involve in deforestation c) Privatisation of forest land d) Environmental education - Which of the following is not influenced by human activities? (Answer : D)
a) Destruction of mangroves and wetlands b) Depletion of ground water c) Increased extinction rate of species d) None of the above - Which of the following is not true about deforestation? (Answer : C)
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a) Population explosion is one of the reasons for deforestation b) Cleaning of forest for agriculture causes deforestation. c) Deforestation is taking place only in developing courtiers. d) Cash crop economy of third world is a cause of deforestation. - Which of the following is responsible for desertification? (Answer : D)
a) Deforestation b) Mining c) Over grazing d) All of the above - Which of the following statements about the forest is not correct? (Answer : D)
a) Forest reduces soil erosion b) Provides recreational opportunities c) Provides economic development d) None of the above - Which of these is not a fossil fuel? (Answer : D)
a) Coal b) Oil c) Natural gas d) Uranium - Which one of the following is not an ideal solution for tackling water shortages? (Answer : D)
a) Controlling population growth b) Conserving water in irrigation c) Controlling water pollution d) Drilling large number of deep bore wells - Which one of the following regions in India is a hotspot of biodiversity? (Answer: B)
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a) Sundarbans b) Western Ghats c) Eastern Ghats d) Gangetic plains - World environment day is on: (Answer : B)
a) 5th May b) 5th June c) 18th July d) 16th August - World Forest day is celebrated on (Answer: A)
a) 21st March b) 5th June c) Ist Dec d) 7th June - Yellowing of Taj Mahal is an effect of (Answer : A)
a) Acid rain b) Global warming c) Ozone depletion d) All of the above - Green Revolution in India was initiated by (Answer: A)
a) M.S. Swaminathan b) Sunderlal Bahuguna c) Kurien d) Medha Patkar - Who wrote the book Violence of Green Revolution (Answer: A)
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a) Vandana Siva b) Sheela Dikshit c) Menaka Gandhi d) Arundhathi Roy. - World Forest day is celebrated on (Answer : A)
a) 21st March b) 5th June c) Ist Dec d) 7th June - The Chipko movement is started by (Answer : B)
a) Engler b) Sunderlal Bahuguna c) Medha Padkar d) None of these - Green revolution is associated with (Answer: B)
a) sericulture b) Agriculture c) Fish culture d) silviculture - Which gas is likely to be reduced in the atmosphere by deforestation? (Answer : C)
a) Carbon dioxide b) Nitrogen c) Oxygen d) Sulphur dioxide - Extensive planting of trees to increase forest cover is called (Answer: A)
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a) Afforestation b) Agroforestry c) Deforestation d) Social forestry - Soil erosion can be prevented by (Answer: B)<
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