Pollution UPSC Questions

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

Pollution MCQ Questions


7.
Which is NOT a cause of soil pollution?
A.
Bio-fertilizers
B.
Pesticides
C.
Industrial waste
D.
Urbanization
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ANSWER :
A. Bio-fertilizers
8.
Which pollutant is responsible for causing skeletal fluorosis?
A.
Nitrate
B.
Fluoride
C.
Mercury
D.
Lead
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ANSWER :
B. Fluoride
9.
Which one of the following is a filter feeder?

UPSC - 2021

A.
Catfish
B.
Octopus
C.
Oyster
D.
Pelican
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ANSWER :
C. Oyster
10.
Which city in India ranks first in generating e-waste?
A.
Delhi
B.
Bangalore
C.
Mumbai
D.
Chennai
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ANSWER :
C. Mumbai
11.
Which pollutant is carcinogenic and found in tobacco smoke?
A.
Nitrogen dioxide
B.
Lead
C.
Carbon monoxide
D.
Polycyclic aromatic hydrocarbons
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ANSWER :
D. Polycyclic aromatic hydrocarbons
12.
Which of the following is used to clean air for both dust and gases?
A.
Arresters
B.
Scrubbers
C.
Filters
D.
Adsorbers
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ANSWER :
B. Scrubbers