Question

Tick the correct answer :-

1. which has is not air pollutant

(a) Nitrogen dioxide

(b) oxygen

(c) carbon dioxide

(d) sulphur dioxide

2. which of the following is the Natural source of air pollution

(a) Smoke from factories

(b) Pollution from automobile

(c) wood for fuel

(d) volcanic eruptions

3. Drinking water

(a) should be clean

(b) should be odourless

(c) clean, odourless and pure

(d) none of the above

4. We can reduce air pollution by

(a) planting

(b) By walking

(c) By cycling

(d) All of the above

__________________________

write name of two green-house gases.
__________________________

Name two. gases responsible for acid rain.
__________________________

Mention any two causes of AIR - POLLUTION.
__________________________

Name any two causes of WATER - POLLUTION .
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Answer 1

1. b) oxygen

2.d) volcanic eruptions

3).c) clean, odourless n pure

4. d) all of the above

Answer 2

Answer:

b,d,c,d .............