CLASS 8 Chapter 18 Pollution of Air and Water

Short answer type questions

 

Question 1. What do you understand by air pollution?

Question 2. What are the causes of air pollution?

Question 3. What are the harmful effects of air pollution?

Question 4. Why the Taj Mahal of Agra is getting discoloured?

Question 5. What is smog? What are the harmful effects of smog?

Question 6. Explain the term greenhouse effect.

Question 7. Why global warming is considered a serious threat?

Question 8. Why Ganga river is getting polluted day by day?

Question 9. What are water pollutants?

Question 10. Why it is important to purify water before drinking?

Question 11. What are the steps taken by the supreme court to protect Taj?

Long answer type questions

 

Question 1. Explain the reason behind the gradual increase in the temperature of the earth’s atmosphere.

Question 2. How do industries cause water pollution?

Question 3. Write a few methods to purify drinking water.

Question 4. How do automobiles contribute to air pollution?