Some questions related to pollution of air and water.
Answers
1. Highest percentage of air consists of
a. Oxygen b. Carbon dioxide c. Nitrogen d. Argon
2. The Taj Mahal is being affected by
a. Noise pollution b. Air pollution c. Water pollution d. None of these
3. Most polluted river in the world is
a. Yamuna b. Cavery c. Chenab d. Ganga
4. Air pollution causes
a. Global warming b. Respiratory problems c. Soil erosion d. None of these
5. Green House gas is
a. Nitrogen b. Oxygen c. Methane d. Carbon dioxide
6. The percentage of nitrogen is
a. 21% b. 78% c. 12% d. 87%
7. What causes pollution
a. Human activities b. Trees c. Both of these d. None of these
8. CNG is a
a. Polluted fuel b. Clean fuel c. Harmful fuel d. None
9. Pollution of water is responsible for
a. Oil refineries b. Paper factories c. Sugar mills d. All
10. Chlorofluorocarbon is used in
a. Refrigerators b. Air conditioners c. Perfumes d. All
ANSWERS
1. C2. B3. D4. B5. D6. B7. A8. B9. D10. D
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QUESTION RELATED TO POLLUTION OF AIR AND WATER...........
que.1 what is the residence time a particle is active in a given of a carbon monoxide?
ans. 0.1- 0.3years.
que. at what concentration can the taste and smell of sulphur dioxide be detected?
ans. 0.1- 0.3 ppm
que. which is the major source for Sulphur dioxide?
ans. coal and crude oil combustion
que. which is the largest source for production of nitrous oxide?
ans. bacterial action
que. which is /are the most significant air borne allergn?
ans. pollen
que. which are the source of arsenic pollution?
ans. coal and petroleum, detergent and pesticides and mine tailings.
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