No. of questions - 20
Time - 10 min
Negative marking : -0.25 mark
2.
Which one of the following gases is responsible for causing acid rain in the atmosphere?
3.
The problem of water pollution with Arsenic is maximum in
4.
‘Green Muffler’ is related to
5.
Which one of the following is not related to air pollution?
6.
Acid rain is caused by
7.
A water body having high BOD indicates that its water is
8.
Bhopal Gas Tragedy (leakage of methyl isocyanate ‘MIC’) accident happened on
9.
Biological Oxygen Demand (BOD) is an indication of pollution in
10.
Which one of the following is biodegradable?
11.
Which of the following is not a water pollutant?
12.
The gas which leaked from Union Carbide factory, Bhopal was
13.
Which one of the following is an air pollutant gas and is released by burning fossil fuel?
14.
Polythene bags cannot be destroyed because they are made of
15.
Which of the following takes maximum time to decay?
16.
BOD is maximum in the Ganga river between
17.
Which of the following is not destroyed by bacteria?
18.
Fly ash is a pollutive combustion product of burning
19.
The water pollution in a river is determined by measuring the dissolved amount of
20.
Which one of the following is a bioindicator of air pollution?
