Environment Set- 8 (Pollutions)

No. of questions - 20

Time - 10 min

Negative marking : -0.25 mark

1. 
‘Green Muffler’ is related to
2. 
Which one of the following is an air pollutant gas and is released by burning fossil fuel?
3. 
A water body having high BOD indicates that its water is
4. 
BOD is maximum in the Ganga river between
5. 
The gas which leaked from Union Carbide factory, Bhopal was
6. 
Fly ash is a pollutive combustion product of burning
7. 
Bioremediation means
8. 
Which one of the following is biodegradable?
9. 
Acid rain is caused by
10. 
Biological Oxygen Demand (BOD) is an indication of pollution in
11. 
Polythene bags cannot be destroyed because they are made of
12. 
Which of the following is not destroyed by bacteria?
13. 
The problem of water pollution with Arsenic is maximum in
14. 
Which of the following takes maximum time to decay?
15. 
Which one of the following gases is responsible for causing acid rain in the atmosphere?
16. 
Which one of the following is a bioindicator of air pollution?
17. 
The water pollution in a river is determined by measuring the dissolved amount of
18. 
Bhopal Gas Tragedy (leakage of methyl isocyanate ‘MIC’) accident happened on
19. 
Which of the following is not a water pollutant?
20. 
Which one of the following is not related to air pollution?
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