LET'S UNDERSTAND
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A. Objective type questions
Choose the correct option.
1.
Burning of garbage leads to
(a) air pollution (b) land pollution (c) water pollution (d) none of these
2. Lung cancer and asthma may be caused by
(a) air pollution (b) land pollution (c) water pollution (d) none of these
3. Industries are a major source of
(a) air pollution (b) noise pollution (c) water pollution
(d) both (a) and (c)
4. Wearing away of topsoil is called
(a) air pollution (b) water pollution (c) soil erosion
(d) land pollution
5. Which of the following is a source of noise pollution?
(a) Burning garbage
(b) Industrial wastes
(c) Dumping of solid wastes
(d) Vehicles and loudspeakers
B. Very short answer questions
1. Write two examples for each of the following.
1. Types of pollution
2. Sources of air pollution
3. Activities causing water pollution
4. Solid wastes
5. Sources of noise pollution
Writo one word for the following.
Answers
Explanation:
LET'S UNDERSTAND
от)
A. Objective type questions
Choose the correct option.
1.
Burning of garbage leads to
(a) air pollution (b) land pollution (c) water pollution (d) none of these
2. Lung cancer and asthma may be caused by
(a) air pollution (b) land pollution (c) water pollution (d) none of these
3. Industries are a major source of
(a) air pollution (b) noise pollution (c) water pollution
(d) both (a) and (c)
4. Wearing away of topsoil is called
(a) air pollution (b) water pollution (c) soil erosion
(d) land pollution
5. Which of the following is a source of noise pollution?
(a) Burning garbage
(b) Industrial wastes
(c) Dumping of solid wastes
(d) Vehicles and loudspeakers
B. Very short answer questions
1. Write two examples for each of the following.
1. Types of pollution
2. Sources of air pollution
3. Activities causing water pollution
4. Solid wastes
5. Sources of noise pollution
Writo one word for the following.
Answer:
1) air pollution
2) air pollution
3) both a and c
4)soil erosion
5) vehicles and loudspeakers