Environmental Chemistry UPSC Questions

Chemistry

Environmental Chemistry MCQ Questions


1.
Environmental pollution is the effect of undesirable changes in our surroundings that have harmful effects on
A.
Plants, Animals and Human Beings
B.
Plants and Animals
C.
Animals and Human Beings
D.
Plants and Human Beings
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ANSWER :
A. Plants, Animals and Human Beings
2.
____________ can be solid, liquid or gaseous.
A.
Water
B.
Air
C.
Pollutants
D.
Population Pollutions
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ANSWER :
C. Pollutants
3.
Consider the following statements regarding mercury pollution :
1. Gold mining activity is a source of mercury pollution in the world.
2. Coal-based thermal power plants cause mercury pollution.
3. There is no known safe level of exposure to mercury.
How many of the above statements are correct?
UPSC - 2023
A.
Only one
B.
Only two
C.
All three
D.
None
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ANSWER :
B. Only two
4.
Pollutants can be solid, liquid or gaseous substances in greater concentration than in
A.
Opposite Abundance
B.
Natural Abundance
C.
Gas
D.
Air
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ANSWER :
B. Natural Abundance
5.
How many times an average human being requires nearly more air than the food?
A.
12-15 Times
B.
22-25 Times
C.
3-7 Times
D.
11-16 Times
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ANSWER :
A. 12-15 Times
6.
pollutants cannot be degraded by natural processes and are harmful to
A.
Plants and Animals
B.
Living Things
C.
Non Living Objects
D.
Living Organisms
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ANSWER :
D. Living Organisms