Atmosphere Practice Test Online Quiz

1. How many layers are there in Earth's atmosphere?

2. What is the typical amount of overhead ozone in the atmosphere?

3. Reducing smog contains high levels of which pollutant?

4. Most of the mass of the atmosphere lies within:

5. Why is almost 90% of the total atmospheric mass found within 32 km of the Earth's surface?

6. What is the residence time of NO (nitric oxide) in the atmosphere?

7. Which gas is not considered a pollutant?

8. What is the approximate thickness of Earth's atmosphere?

9. How many ozone molecules can a single chloride free radical destroy?

10. Photochemical smog primarily affects the pollution of which environmental component?

11. In which atmospheric layer is the ozone layer located?

12. The primary pollutant in wastewater from leather tanneries is primarily due to salts of which metal?

13. Which of the following air pollutants is known as a silent killer?

14. What is the term for the boundary between the troposphere and the stratosphere?

15. If an object is located at a distance of 6 km from the Earth's surface, it is situated in the:

16. What is the term for the uppermost layer of the atmosphere?

17. Which of the following does not contribute to pollution?

18. Which equipment is used to measure atmospheric humidity?

19. In which layer of the atmosphere is the ozone layer primarily located?

20. What are the primary constituents of the atmosphere?