Pollution of Air and Water-Air Pollution (CBSE Class-8 Science): Questions 1 - 8 of 10

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Question number: 1

» Pollution of Air and Water » Air Pollution » Acid Rain and Taj Mahal

MCQ▾

Question

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

Choices

Choice (4) Response
a.

Marble cancer

b.

Yellowing of the marble

c.

Acid rain

d. All of the above

Question number: 2

» Pollution of Air and Water » Air Pollution » How Does Air Get Polluted?

MCQ▾

Question

Man-Made resources which lead to air pollution are:

Choices

Choice (4) Response
a.

Industrialization

b.

Invention of automobiles

c.

Overpopulation, deforestation

d. All a. , b. and c. are correct

Question number: 3

» Pollution of Air and Water » Air Pollution » How Does Air Get Polluted?

MCQ▾

Question

Green House Gases are:

Choices

Choice (4) Response
a.

Water Vapours, Methane

b.

Carbon dioxide, nitrogen oxide

c.

Ozone

d. All a. , b. and c. are correct

Question number: 4

» Pollution of Air and Water » Air Pollution » How Does Air Get Polluted?

MCQ▾

Question

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

Choices

Choice (4) Response
a.

Air Pollution

b.

Global warming

c.

Green House effect

d. All of the above

Question number: 5

» Pollution of Air and Water » Air Pollution » CFCs

MCQ▾

Question

Pollutant used in refrigerators, air conditioners and aerosol sprays is

Choices

Choice (4) Response
a.

Oxides of nitrogen

b.

Methane

c.

CFC’s

d. All of the above

Question number: 6

» Pollution of Air and Water » Air Pollution » How Does Air Get Polluted?

MCQ▾

Question

Green House gases create

Choices

Choice (4) Response
a.

Acid rain

b.

Pollution

c.

Green House effect

d. All of the above

Question number: 7

» Pollution of Air and Water » Air Pollution » What Is Air Pollution

MCQ▾

Question

Air pollution is defined as:

Choices

Choice (4) Response
a.

Addition of unwanted and harmful substances in the air

b.

Contamination of air by impurities

c. All of the above
d. None of the above

Question number: 8

» Pollution of Air and Water » Air Pollution » How Does Air Get Polluted?

MCQ▾

Question

The substances which contaminate the air are called as:

Choices

Choice (4) Response
a.

Air pollutants

b.

Dust particles, Smoke and carbon monoxide

c.

Volcanic activities

d.

Methane, Radon gas

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