SOCIAL STUDIES PERIODIC TEST-I

Chapter-4 (Our Environment)

A) Fill in the blanks:-

1) Environment consists of both living and non-living things.

2) Plants, trees, water and air constitute the natural environment.

3) Pollution is of four main types air, water, land and noise.

4) Trees help us to keep the air pure and healthy.

5) Use of pesticides and fertilisers contaminates the soil.

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B) Name the following:-

1) Eco-friendly transport on two wheels – Cycle.

2) Caused by smoke from factories – Air pollution.

3) Marine life is affected by this type of pollution – Water pollution.

4) Trees are part of this type of environment – Natural environment.

5) Honking horns loudly causes this type of pollution – Noise pollution.

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C) Match the following:

1) Water pollution – throwing garbage in ponds (c).

2) Air pollution - bursting firecrackers (d).

3) Noise pollution – blowing car horn loudly (b).

4) Natural environment – air and water (e).

5) Man-made environment – roads and bridges (a).

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