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. Which one of the following is a primary pollutant?

 
 
 
 

2. Weather balloons go as high as the:

 
 
 
 

3. The lowest layer of Earth’s atmosphere is:

 
 
 
 

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

 
 
 
 

5. Weather in this layer affects our daily life.

 
 
 
 

6. Atmospheric pressure decreases with the

 
 
 
 

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

 
 
 
 

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

 
 
 
 

9. Aeroplanes fly in:

 
 
 
 

10. It causes the production of smog.

 
 
 
 

11. The most abundant element in the atmosphere is:

 
 
 
 

12. Ozone layer is part of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

16. Ozone is a gas found in the layer:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

19. The altitude on stratosphere is:

 
 
 
 

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

 
 
 
 


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