Environmental Pollution: Types, Causes and Effects Quiz

Question 1

What is environmental pollution?

Accepted Answer

Defect in natural balance due to entry of contaminants into the environment

Answer

Only sound pollution

Answer

Only water pollution

Answer

Only air pollution

Question 2

What is the percentage of nitrogen in air?

Accepted Answer

78 percent

Answer

0.03 percent

Answer

0.97 percent

Answer

21 percent

Question 3

When does water pollution occur?

Accepted Answer

When foreign substances enter water and change its natural properties

Answer

Only in rivers

Answer

Only in groundwater

Answer

Only in wells

Question 4

Which diseases are caused by water pollution?

Accepted Answer

Typhoid, jaundice, cholera, gastric

Answer

Only typhoid

Answer

Only jaundice

Answer

Only cholera

Question 5

What is noise pollution?

Accepted Answer

Undesired high-intensity sound that causes restlessness

Answer

Only sound from factories

Answer

Only sound from vehicles

Answer

Only sound from train engines

Question 6

What is called land pollution?

Accepted Answer

Undesirable change in the properties of land

Answer

Only chemical changes

Answer

Only physical changes

Answer

Only biological changes

Question 7

Why do plastic bags cause land pollution?

Accepted Answer

Because they do not get buried in the ground

Answer

Because they dissolve in water

Answer

Because they blow away in wind

Answer

Because they are made only of paper

Question 8

What does the ozone layer do?

Accepted Answer

Protects from harmful ultraviolet rays from the sun

Answer

Brings rainfall

Answer

Pollutes the air

Answer

Keeps air cool

Question 9

What causes light pollution?

Accepted Answer

Excessive artificial light

Answer

Only starlight

Answer

Only sunlight

Answer

Only moonlight

Question 10

What are the natural sources of radioactive pollution?

Accepted Answer

Internal rays, environment, and animals

Answer

Only nuclear tests

Answer

Only industrial waste

Answer

Only nuclear weapons

Environmental Pollution: Types, Causes and Effects

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