Pollution UPSC Questions

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

Pollution MCQ Questions


1.
Which of the following is a primary pollutant?
A.
PAN
B.
DDT
C.
Ozone
D.
Peroxyacetyl nitrate
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ANSWER :
B. DDT
2.
Which pollutant is responsible for causing Minamata disease?
A.
Lead
B.
Cadmium
C.
Mercury
D.
Arsenic
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ANSWER :
C. Mercury
3.
Among the following Tiger Reserves, which one has the largest area under "Critical Tiger Habitat"?

UPSC - 2020

A.
Corbett
B.
Ranthambore
C.
Nagarjunsagar-Srisailam
D.
Sunderbans
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ANSWER :
C. Nagarjunsagar-Srisailam
4.
Which gas is responsible for depletion of the ozone layer?
A.
Carbon monoxide
B.
Methane
C.
Chlorofluorocarbons
D.
Sulphur dioxide
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ANSWER :
C. Chlorofluorocarbons
5.
Which of the following pollutants causes blue baby syndrome?
A.
Nitrate
B.
Fluoride
C.
Arsenic
D.
Cadmium
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ANSWER :
A. Nitrate
6.
Photochemical smog is formed due to reaction of sunlight with which of the following?
A.
Oxygen and water vapour
B.
Nitrogen oxides and hydrocarbons
C.
Carbon monoxide and oxygen
D.
Sulphur dioxide and ozone
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ANSWER :
B. Nitrogen oxides and hydrocarbons