No. of questions - 20
Time - 10 min
Negative marking : -0.25 mark
1.
Which one of the following gases is responsible for causing acid rain in the atmosphere?
2.
Which of the following is not a water pollutant?
3.
Bhopal Gas Tragedy (leakage of methyl isocyanate ‘MIC’) accident happened on
4.
Which one of the following is an air pollutant gas and is released by burning fossil fuel?
6.
Which of the following takes maximum time to decay?
7.
Acid rain is caused by
8.
‘Green Muffler’ is related to
9.
The water pollution in a river is determined by measuring the dissolved amount of
10.
Which one of the following is a bioindicator of air pollution?
11.
Which of the following is not destroyed by bacteria?
12.
Polythene bags cannot be destroyed because they are made of
13.
Biological Oxygen Demand (BOD) is an indication of pollution in
14.
A water body having high BOD indicates that its water is
15.
The problem of water pollution with Arsenic is maximum in
16.
Which one of the following is biodegradable?
17.
Fly ash is a pollutive combustion product of burning
18.
Which one of the following is not related to air pollution?
19.
BOD is maximum in the Ganga river between
20.
The gas which leaked from Union Carbide factory, Bhopal was
