No. of questions - 20
Time - 10 min
Negative marking : -0.25 mark
1.
Bhopal Gas Tragedy (leakage of methyl isocyanate ‘MIC’) accident happened on
2.
The water pollution in a river is determined by measuring the dissolved amount of
4.
BOD is maximum in the Ganga river between
5.
A water body having high BOD indicates that its water is
6.
Fly ash is a pollutive combustion product of burning
7.
‘Green Muffler’ is related to
8.
Which of the following is not a water pollutant?
9.
Which one of the following gases is responsible for causing acid rain in the atmosphere?
10.
Which one of the following is a bioindicator of air pollution?
11.
The gas which leaked from Union Carbide factory, Bhopal was
12.
Which one of the following is an air pollutant gas and is released by burning fossil fuel?
13.
Which of the following takes maximum time to decay?
14.
The problem of water pollution with Arsenic is maximum in
15.
Polythene bags cannot be destroyed because they are made of
16.
Which of the following is not destroyed by bacteria?
17.
Which one of the following is biodegradable?
18.
Biological Oxygen Demand (BOD) is an indication of pollution in
19.
Which one of the following is not related to air pollution?
20.
Acid rain is caused by
