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Environmental Studies Questions and Answers for Competitive Exams | Environmental Studies Quiz Set 22

1 The part of an actual resource which can be developed profitably in the future is
1 Non-renewable resources
2 Potential resources
3 Reserved resources
4 Stock resources

Answer: Reserved resources
2 Which of the following methods is generally not adopted for the safe disposal of biomedical waste ?
1 Incineration
2 Hydroclaving
3 Landfilling
4 Shredding after

Answer: Landfilling


3 Which of the following prompted the Govt. of India to enact Environment (Protection) Act, 1986 ?
1 River Ganga Water Pollution
2 Endosulfan tragedy in Kerala
3 London Smog
4 Bhopal Gas Tragedy

Answer: Bhopal Gas Tragedy
4 Protection and improvement of environment and safeguarding of forest and wildlife is emphasized in constitution of India under the Article
1 48 A
2 21
3 46
4 47

Answer: 48 A
5 Environmental Relief Fund was established under the provisions of
1 The Environment (Protection) Act, 1986
2 The Indian Wild Life (Protection) Act, 1972
3 The Public Liability Insurance Act, 1991
4 The Forest (Conservation) Act, 1980

Answer: The Public Liability Insurance Act, 1991
6 A type of lake that forms in the depression of the earth’s crust between two parallel faults is known as
1 Grade lake
2 Surface lake
3 Graben lake
4 Glacial lake

Answer: Graben lake
7 In case of plumes from a tall stack located on flat terrain ‘Lofting’ type of plume behaviour is observed when in the atmosphere
1 inversion conditions prevail below the stack height
2 strong lapse rate conditions exist.
3 inversion conditions exist above the stack height
4 weak lapse rate conditions exist

Answer: inversion conditions prevail below the stack height.
8 Turbulent updrafts and downdrafts flows are an example of
1 Synoptic scale phenomena
2 Planetary scale phenomena
3 Meso-scale phenomena
4 Micro-scale phenomena

Answer: Micro-scale phenomena
9 A niche of the species where there is no competition from other speci
1 hyper volume niche
2 habitat
3 fundamental niche
4 realized niche

Answer: fundamental niche
10 Dissipative process of energy during photosynthesis in a plant is
1 Decomposition
2 Senescence
3 Respiration
4 Mineralization of humus

Answer: Respiration
11 Which of the following substances is generally not considered toxic ?
1 Carbonic acid
2 Carbon monoxide
3 Acetaldehyde
4 Benzene

Answer: Carbonic acid
12 Percentage of tropospheric ozone in relation to total atmospheric ozone is about
1 90%
2 10%
3 50%
4 80%

Answer: 10%
13 Among the following, which one is the most hazardous chemical in the atmosphere ?
1 Dioxin
2 Carbon monoxide
3 Halons
4 CFCs

Answer: Dioxin
14 The technique, which is fastest for measuring organic carbon is,
2 BOD5
3 BOD7

Answer: TOC
15 With increase in temperature, the specific conductivity of water
1 remains unchanged
2 increases
3 decreases
4 makes the water turbid

Answer: increases

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