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 water pollution in a river is determined by measuring the dissolved amount of
3.
The gas which leaked from Union Carbide factory, Bhopal was
4.
A water body having high BOD indicates that its water is
5.
Which one of the following is a bioindicator of air pollution?
6.
The problem of water pollution with Arsenic is maximum in
7.
Bhopal Gas Tragedy (leakage of methyl isocyanate ‘MIC’) accident happened on
8.
‘Green Muffler’ is related to
9.
Which of the following is not a water pollutant?
10.
Biological Oxygen Demand (BOD) is an indication of pollution in
11.
Which one of the following is biodegradable?
12.
Which one of the following gases is responsible for causing acid rain in the atmosphere?
13.
Which of the following takes maximum time to decay?
15.
BOD is maximum in the Ganga river between
16.
Polythene bags cannot be destroyed because they are made of
17.
Which one of the following is not related to air pollution?
18.
Which of the following is not destroyed by bacteria?
19.
Fly ash is a pollutive combustion product of burning
20.
Acid rain is caused by
