Air Pollution MCQ Quiz - Multiple Choice Questions & Answers Page 2

11. The percentage of nitrogen is

1. 21%
2. 78%
3. 12%
4. 87%

12. The Taj Mahal is being affected by

1. Noise pollution
2. Air pollution
3. Water pollution
4. None of these

13. What causes pollution

1. Human activities
2. Trees
3. Both of these
4. None of these

14. Which is the major source for sulphur dioxide?

1. Volcanic eruptions
2. Coal and crude oil combustion
3. Burning of petrol
4. Sewage treatment process

15. Which of the following gases has the highest affinity for blood haemoglobin?

1. Carbon dioxide
2. Oxygen
3. Carbon monoxide
4. Nitrogen

16. Which of the following is an asphyxiant produced during incomplete combustion reactions?

1. Mercury
2. Carbon monoxide
3. Lead
4. Sulfur dioxide

17. Which of the following is not a greenhouse gas

1. nitrogen
2. water vapour
3. methane gas
4. carbon dioxide

18. Which of the following is not a source of air pollution?

1. burning of firewood
2. Wind Mill
3. automobile exhaust
4. power plant

19. Which of the following is NOT one of the criteria air pollutants monitored by the U.S.-EPA?

1. Mercury
2. Carbon monoxide
3. Ozone
4. Sulfur dioxide

20. Which one of the following is an example of physical pollutant

1. Air
2. Radiation
3. Water
4. Plant