No. of questions - 20
Time - 10 min
Negative marking : -0.25 mark
1.
The problem of water pollution with Arsenic is maximum in
2.
Fly ash is a pollutive combustion product of burning
3.
The water pollution in a river is determined by measuring the dissolved amount of
4.
Polythene bags cannot be destroyed because they are made of
5.
Biological Oxygen Demand (BOD) is an indication of pollution in
6.
Which one of the following is not related to air pollution?
7.
Which one of the following is a bioindicator of air pollution?
8.
The gas which leaked from Union Carbide factory, Bhopal was
9.
Which one of the following is an air pollutant gas and is released by burning fossil fuel?
10.
BOD is maximum in the Ganga river between
11.
Acid rain is caused by
12.
Which of the following is not a water pollutant?
13.
Which one of the following is biodegradable?
14.
Which of the following takes maximum time to decay?
15.
‘Green Muffler’ is related to
17.
Bhopal Gas Tragedy (leakage of methyl isocyanate ‘MIC’) accident happened on
18.
A water body having high BOD indicates that its water is
19.
Which of the following is not destroyed by bacteria?
20.
Which one of the following gases is responsible for causing acid rain in the atmosphere?
