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