Online MCQs – Environmental Chemistry-1 The Atmosphere – Chemistry 10th

1. With respect to earth surface, the earth’s atmospheric layers are classified on the bases of:

2. The Earth’s atmosphere is divided up into ______ major layers.

3. Layer of atmosphere which separates stratosphere and troposphere is known as:

4. Troposphere altitudes varies from about:

5. The percentage of nitrogen is found in the atmosphere:

6. Around 80% of the mass of the atmosphere is in the:

7. Which of the following is the reason of global warming?

8. Which is not part of greenhouse gases?

9. Weather in this layer affects our daily life.

10. Which one of the following is a secondary pollutant?

11. Which one of the following is a primary pollutant?

12. Aeroplanes fly in:

13. The earth is surrounded by a layer of gases called the:

14. It is a major contributor to ozone depletion.

15. Key contributor to the creation of acid rain is:

16. Above the earth’s surface, ozone layer is found roughly:

17. The second most abundant element in the atmosphere is:

18. Weather balloons go as high as the:

19. The altitude on stratosphere is:

20. The most abundant element in the atmosphere is: