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Human Impact on Biosphere

Total questions: 8

Worksheet time: 4mins

Name
Class
Date
1.

When forests are cleared on a very large scale by cutting or burning them down it is:

a)

forestation

b)

deforestation

c)

plantation

2.

Many animals have become endangered species due to

a)

Over hunting

b)

Over feeding

c)

Forestation

3.

Landslides, global warming, floods and soil erosions are all effects of

a)

Deforestation

b)

Overpopulation

c)

Global Warming

4.

Methane (CH4), carbon dioxide (CO2) and ozone (O3) are classified as

a)

Dominance gases

b)

Greenhouse Gases

c)

Acidic gases

5.

The human activity, among the following, which causes maximum environmental pollution having regional and global impacts, is:

a)

Urbanization

b)

Industrialization

c)

Agriculture

6.

In which of the following ways do people increase the concentration of greenhouse gases in the atmosphere?

a)

Cutting down trees

b)

Driving gasoline-powered cars

c)

Burning coal to create electricity

d)

All of the above

7.

Which is the most abundant greenhouse gas in the atmosphere?

a)

Methane

b)

Nitrogen dioxide

c)

Carbon dioxide

8.

Which Country currently emits the most greenhouse gases?

a)

India

b)

UAE

c)

China