Environment Set- 7 (Pollutions)

No. of questions - 20

Time - 10 min

Negative marking : -0.25 mark

1. 
Which of the following air pollutants get dissolved in haemoglobin of the blood more rapidly than oxygen?
2. 
The combustion of coal, petrol and diesel etc., is the basic source of
3. 
Acid rain is caused by pollution of environment by
4. 
Combustion of petrol in automobiles pollutes the air by producing following metal.
5. 
During normal conditions, the gas which pollutes the atmosphere is
6. 
Which of the following is the reason behind the maximum noise pollution?
7. 
The highest chemical pollution is caused by the industrial effluents of
8. 
Photochemical smog is a resultant of the reaction among

(A) NO2, O3 and peroxyacetyl nitrate in the presence of sunlight
(B) CO, O2 and peroxyacetyl nitrate in the presence of sunlight
(C) CO, CO2 and NO2 at low temperature
(D) High concentration of NO2, O3 and CO in the eveningDeselect Answer

9. 
Acid rain occurs due to
10. 
The non-biotic pollutant underground water is
11. 
Pollutant emission gas in vehicle exhaust is mainly
12. 
Which of the following air pollutants is most dangerous?
13. 
Bio-degradable pollutant is
14. 
Colourless gas coming out from motor vehicle and cigarette due to incomplete combustion is
15. 
Human-made pollutants are called
16. 
Which one of the following is not a secondary pollutant?
17. 
Which of the following is produced during the formation of photochemical smog ?
18. 
Indiscriminate use of fertilizers have led to
19. 
Which of the following, when dissolved in rain water turns rain water acidic (acid rain)?
20. 
Which one of the following air pollutants can affect blood stream leading to death?
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