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10C1V18/28
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Question Paper Version : A
First/Second Semester B.E Degree Examination, June/July 2019
Environmental Studies
(COMMON TO ALL BRANCHES)
Time: 2 hrs.] [Max. Marks: 50
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INSTRUCTIONS TO THE CANDIDATES
- Answer all the fifty questions, each question carries ONE mark.
- Use only Black ball point pen for writing / darkening the circles.
- For each question, after selecting your answer, darken the appropriate circle corresponding to the same question number on the OMR sheet.
- Darkening two circles for the same question makes the answer invalid.
- Damaging/overwriting, using whiteners on the OMR sheets are strictly prohibited.
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- Which of the following conceptual spheres of the environment is having the least storage capacity for matter?
- Atmosphere
- Lithosphere
- Hydrosphere
- Biosphere
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- Atmosphere consists of 79 percent Nitrogen and 21 percent oxygen by
- Volume
- Weight
- Density
- All the three
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- The organisms who directly feed on producers are called
- Herbivores
- Carnivores
- Decomposers
- Saprophytes
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- The largest reservoir of Nitrogen in our planet is
- Oceans
- Atmosphere
- Biosphere
- Fossil fuels
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- The primary producers in a forest ecosystem are
- Chlorophyll containing trees and plants
- Herbivores
- Carnivores
- Bacteria and other microorganisms
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- The major atmospheric gas layer in stratosphere is
- Hydrogen
- Carbon dioxide
- Ozone
- Helium
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- Which of the following are major environmental issues involved in mining?
- Air pollution from dust
- Water pollution
- Soil degradation
- All of the above
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- Mining means
- to conserve and preserve minerals
- to check pollution due to mineral resources
- to extract minerals and ores
- None
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- The pollution caused by transportation/vehicular activities depends on
- Type of the vehicles engine
- Age of the vehicle
- Traffic congestion
- All of the above
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- The Earth day is held every year on
- June 5 th
- November 23 rd
- April 22nd
- January 26 th
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- Soil erosion removes surface soil which contain
- organic matter
- plant nutrients
- both a and b
- none of the above
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- What would you do to prevent environmental damage?
- Plant trees
- Halt deforestation
- Control pollution
- All of the above
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- What percentage of its geographical area of a country should be under forest cover?
- 23%
- 43%
- 13%
- 33%
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- Forests prevent soil erosion by binding soil particles in their
- Stems
- roots
- leaves
- buds
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- India has the largest share of which of the followin
- Manganese
- Mica
- Copper
- Diamond
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- What is the maximum allowable concentration of fluorides in drinking water?
- 1.0 milligram per liter
- 1.25 milligram per liter
- 1.50 milligram per liter
- 1.75 milligram per liter
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- Conversion of ammonium to NO 3 by chemical oxidation is termed as
- Mineralization
- Nitrification
- denitrification
- Among the fresh water available in the earth percentage of surface water is about
- 50%
- 10%
- 5%
- less than 1%
- The most important fuel used by Nuclear power plant is
- U-235
- U-238
- U-245
- U-248
- Chernobyl nuclear disaster occurred in the year
- 1984
- 1952
- 1986
- 1987
- India's position in the bio-gas plants globally
- 5 th
- 2 nd
- 4 th
- 7th
- With a minimum resource maximum energy can be created by
- Solar radiation
- Wind
- Nuclear fuels
- Tidal waves
- Fossil fuels are converted into energy by
- burning
- cooling
- sublimation
- melting
- Molasses from sugar industry is used to generate
- Biodiesel
- Hydrogen
- Bio-ethanol
- Biomethanol
- Which of the following is air pollutant?
- CO
- 02
- N2
- all
- BOD means
- Biochemical Oxygen Demand
- Chemical Oxygen Demand
- Biological Oxygen Demand
- all
- Physical pollution of water is due to
- Dissolved oxygen
- Turbidity
- PH
- none of these
- Deforestation can
- Increase the rain
- Increase soil fertility
- Introduce silt in the rivers
- None of these
- Air pollution from automobiles can be controlled by fitting.
- Electrostatic precipitator
- Wet scrubber
- Catalytic converter
- all of the above
- Definition of noise is
- Loud sound
- Unwanted sound
- Constant sound
- Sound of high frequency
- Heavy duty diesel vehicles contribute more
- NO
- Particulate matter
- CO
- Both a and b
- Alternative eco-friendly fuel for automobiles is
- Petrol
- Diesel
- CNG
- Kerosene
- Which of the following is having high population density?
- India
- China
- USA
- Western Europe
- The world population in 2000 was around
- 8 billion
- 6.1 billion
- 4 billion
- 4.5 billion
- Demography is the study of
- Animals behavior
- Population growth
- River
- None of these
- The first of the major environmental protection act to be promulgated in India was
- Water act
- Air act
- Environmental act
- Noise pollution rules
- The PH value of the acid rain water is
- 5.7
- 7.0
- 8.5
- 7.5
- The process of movement of nutrients from the soil by the acid rain is called
- Transpiration
- Evapotranspiration
- Leaching
- Infiltration
- Major compound responsible for the destruction of stratospheric ozone layer is
- Oxygen
- CFC
- Carbon dioxide
- Methane
- The normal average thickness of stratospheric ozone layer across the globe is found
- 200 DU
- 300 DU
- 400 DU
- 500DU
- Freons are
- HFC
- CFC
- NFC
- Hydrocarbons
- Ozone hole was first discovered over
- Arctic
- Antartica
- Tropical region
- Africa
- The Air (prevention and control of pollution) Act was enacted in the year
- 1981
- 1996
- 2000
- 1974
- The Forest (conservation) Act enacted in the year
- 1986
- 1974
- 1972
- The Karnataka State Pollution Control Board CB) was established in the year
- 1974
- 1982
- 1986
- 1976
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- The Environmental (Protection) Act deals with
- Water
- Air
- Soil
- All
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- The Tiger conservation project started in
- 1973
- 1984
- 1999
- 2004
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- Environmental protection is the fundamental duties of the citizen of India under the Article:
- 51 - A (g)
- 48 A
- 47
- 21
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- World Summit on sustainable development was held at
- Johannesburg in 2002
- Riode Janeiro in 1992
- Kyoto in 1994
- Stockholm in 2000
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- An important NGO involved in Global Environmental protection is
- UNICEF
- Green Peace
- WHO
- CPCB
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