Question

A.1. Answer the following questions very briefly.

1. What is pollution?

2. How does pollution affect the environment?

3. How does the reduction of the ozone layer affect us?.
4. Mention four different kinds of pollution.

5. What are the two chief causes of environmental pollution?

6. What is the main cause of water pollution?
7. Mention any two causes of noise pollution.
8. What is the most disturbing consequence of increasing pollution?


A.2. Which words in the passage mean the following?

1. dangerous.
2. disproportion
3. intrusion
4. permanent

Answer 1

Pollution- the presence and introduction into the environment of a substance or something that could be harmfull

Answer 2

1. When undesired substance like smoke, plastics etc enter air, water and land it causes pollution.
2. Reduction of ozone layer is called ozone depletion. It causes the UV rays to enter our atmosphere and causes skin cancers or other types of cancers.
3. Four kinds of pollutions are - air pollution, water pollution, sound pollution, land pollution.
4. Smoke and industrial effluents released by factories. Burning and improper disposal of plastic waste.
5. Release of industrial effluents and chemicals into water. And release of solid waste like ashes into water.
6. Industrial machineries cause a lot of unpleasent noise. Fireworks and speaker during festivals also cause noise pollution.
7. It leads to destruction of wildlife and also affects the wellbeing of the citizens.

A. 2. No passage is given so i dont know the answer.