Climate Change UPSC Questions

General Issues on Environmental Ecology, Bio-diversity & Climate Change

Climate Change MCQ Questions


7.
Which of the following gases is removed by UV radiation or bacteria?
A.
Water vapour
B.
Methane
C.
Nitrous oxide
D.
Carbon dioxide
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ANSWER :
C. Nitrous oxide
8.
Black carbon mainly contributes to atmospheric warming by:
A.
Increasing rainfall
B.
Absorbing sunlight and reducing albedo
C.
Releasing CFCs
D.
Forming clouds
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ANSWER :
B. Absorbing sunlight and reducing albedo
9.
The Greenhouse Effect without human interference keeps Earth's temperature at:
A.
0°C
B.
15°C
C.
-19°C
D.
35°C
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ANSWER :
B. 15°C
10.
Which of these gases is not a greenhouse gas?
A.
CO2
B.
H2O
C.
CH4
D.
O2
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ANSWER :
D. O2
11.
Main reason for rise in CO2 levels since the industrial revolution?
A.
Volcanic eruptions
B.
Human activities
C.
Animal respiration
D.
Forest regrowth
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ANSWER :
B. Human activities
12.
What is the role of tree root networks?
A.
Emit greenhouse gases
B.
Absorb heat
C.
Filter contaminants in soil
D.
Increase soil salinity
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ANSWER :
C. Filter contaminants in soil