Chapter 18
POLLUTION OF AIR AND WATER
1. What are the different ways in which water gets contaminated?
Ans-
2. At an individual level, how can help reduce air pollution?
Ans-
3. Clear, transparent water is always fit for drinking, Comment.
Ans-
4. You are a member of the municipal body of your town.
Make a list of measures that would help your town to ensure the supply of clean water to all is residents.
Ans-
5. Explain the differences between pure air and polluted air.
Ans-
6. Explain circumstances leading to acid rain. How does acid rain effect us?
Ans-b
7. Which of the following is not a greenhouse gas?
(a) Carbon dioxide
(b) Sulphur dioxide
(c) Methane
(d) Nitrogen
8. Describe the 'Green House Effect' in your own words.
Ans-
9. Prepare a brief speech on global warming. You have to deliver the speech in your class.
Ans-
10 Describe the threat to the beauty of the Taj Mahal.
Ans-
11. Why does the increased level of nutrients in the water affect the survival of aquatic organisms?
Ans-
Type - Ankur Moni Nath
Post ID :DABP004850
