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

Class 10th | Chemistry | Chapter 5 | Environmental Chemistry-1 The Atmosphere | Solved Online MCQs Test

Online MCQs Test of Chapter 5 (Environmental Chemistry-1 The Atmosphere) Chemistry Class 10th Science Group – Sindh Board. According to New Examination Pattern / Syllabus of Sindh Board

1. The higher the altitude the is the atmosphere.

 
 
 
 

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

 
 
 
 

3. It is the second-lowest layer of Earth’s atmosphere.

 
 
 
 

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

 
 
 
 

5. The waste or exhaust products produced by the burning of fossil fuels and organic materials are referred to as:

 
 
 
 

6. Atmospheric pressure decreases with the

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

10. Second most abundant constituent of dry air in terms of volume after nitrogen is:

 
 
 
 

11. Aeroplanes fly in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

14. It is a major contributor to ozone depletion.

 
 
 
 

15. Weather in this layer affects our daily life.

 
 
 
 

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

 
 
 
 

17. Ozone layer is part of:

 
 
 
 

18. The altitude on stratosphere is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 


Scroll to Top