Question

10 . Match the following:- a) CFC's i) reduce the emmition of greenhouse gases b)Deforestation ii) Clean fuel c) Kyoto protocol iii) non-polluting d) Sulphuric acid iv) increase in level of Carbon dioxide e) CNG v) acid rain f) Hydro Power vi) damage to ozone layer
3 points
a-iv, b-vi, c-iii, d-i, e-v, f-ii
a- ii, b-iv, c- i,d- vi, e- v, f-iii
a-vi, b-iv, c-i, d-v, e-ii, f-iii
a-iii, b-i, c-ii, d-v, e-iv, f-vi
11. The gas is responsible for global warming is
1 point
Carbon monoxide
Carbon dioxide
Nitrogen
oxygen
12. The exhaust of vehicles release
1 point
Particulate matter
Soot
Carbon monoxide
All of these
13. The gas that mixes with blood and prevents it from carrying oxygen is_______
1 point
Carbon dioxide
Carbon monoxide
Nitrogen dioxide
Sulphur dioxide
14. Polar ice caps are melting due to
1 point
Acid rain
Global warming
Depletion of the ozone layer
All of these
15. Substances that cause pollution are called
1 point
Pollutants
Sediment
Gravel
None of these
16. The ____________convert the ozone into oxygen and create hole in the ozone layer
1 point
CNG
CFC
Global warming
Green house effect
17. (A): Acid rain reduces the fertility of the soil.Reason (R): Acid rain has a corroding effect on marble buildings.
2 points
Both assertion and reason are correct and reason is the correct explanation of assertion
Both Assertion and Reason are correct but Reason is not correct explanation for Assertion
Assertion is correct and reason is incorrect
Assertion is incorrect and reason is correct​

Answer 1

Answer:

10. a

11. Carbon dioxide

12. All of these

13. Normally - CO2, in polluted area - CO

14. Global warming

15. Pollutants

16. CFC

17. Both assertion and reason are correct but reason is not correct explanation for assertion. Acid rain leaches nutrients and reduces fertility of soil. Acid rain has SO2, that reacts with marble and corrode it.

hope this will help you

Answer 2

Answer:

1) damage to ozone layer

2) Carbon dioxide

3) Carbon monoxide

4) Carbon dioxide

5) All of these

6) None of these

7) CFC