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