NCERT Class 8 Science-Pollution of Air and Water[Air Pollution] [NCERT Based General Studies (GS)]: Questions 1 - 7 of 10

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Question 1

Question MCQ▾

Corrosion of marble of the monuments due to acid rain is called as:

Choices

Choice (4)Response

a.

Acid rain

b.

Yellowing of the marble

c.

Marble cancer

d.

None of the above

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Question 2

Question MCQ▾

Man-Made resources which lead to air pollution are:

Choices

Choice (4)Response

a.

Industrialization

b.

Urbanization

AND

Invention of automobiles

c.

Overpopulation, deforestation

d.

All b., c. and a. are correct

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Question 3

Question MCQ▾

Green House Gases are:

Choices

Choice (4)Response

a.

Ozone

b.

Water Vapours, Methane

c.

Carbon dioxide, nitrogen oxide

d.

All a., b. and c. are correct

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Question 4

Question MCQ▾

Increasing levels of Green House gases like Co2 are leading to:

Choices

Choice (4)Response

a.

Global warming

b.

Green House effect

c.

Air Pollution

d.

None of the above

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Question 5

Question MCQ▾

Pollutant used in refrigerators, air conditioners and aerosol sprays is

Choices

Choice (4)Response

a.

Methane

b.

CFC՚s

c.

Oxides of nitrogen

d.

None of the above

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Question 6

Question MCQ▾

Green House gases create

Choices

Choice (4)Response

a.

Pollution

b.

Acid rain

c.

Green House effect

d.

Question does not provide sufficient data or is vague

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Question 7

Question MCQ▾

Air pollution is defined as:

Choices

Choice (4)Response

a.

Contamination of air by impurities

b.

Addition of unwanted and harmful substances in the air

c.

Question does not provide sufficient data or is vague

d.

All of the above

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