No. of questions - 20
Time - 10 min
Negative marking : -0.25 mark
1.
Which one of the following is not related to air pollution?
2.
Which of the following takes maximum time to decay?
3.
Polythene bags cannot be destroyed because they are made of
5.
BOD is maximum in the Ganga river between
6.
Acid rain is caused by
7.
The gas which leaked from Union Carbide factory, Bhopal was
8.
Fly ash is a pollutive combustion product of burning
9.
Which of the following is not a water pollutant?
10.
A water body having high BOD indicates that its water is
11.
The water pollution in a river is determined by measuring the dissolved amount of
12.
Which one of the following is a bioindicator of air pollution?
13.
Which one of the following gases is responsible for causing acid rain in the atmosphere?
14.
Bhopal Gas Tragedy (leakage of methyl isocyanate ‘MIC’) accident happened on
15.
Which one of the following is biodegradable?
16.
Which one of the following is an air pollutant gas and is released by burning fossil fuel?
17.
The problem of water pollution with Arsenic is maximum in
18.
Which of the following is not destroyed by bacteria?
19.
Biological Oxygen Demand (BOD) is an indication of pollution in
20.
‘Green Muffler’ is related to
