No. of questions - 20
Time - 10 min
Negative marking : -0.25 mark
1.
‘Green Muffler’ is related to
2.
Fly ash is a pollutive combustion product of burning
3.
Which one of the following is not related to air pollution?
4.
The problem of water pollution with Arsenic is maximum in
5.
Which one of the following is biodegradable?
6.
Which of the following is not a water pollutant?
7.
Which one of the following gases is responsible for causing acid rain in the atmosphere?
8.
BOD is maximum in the Ganga river between
9.
Which of the following takes maximum time to decay?
10.
Which one of the following is an air pollutant gas and is released by burning fossil fuel?
11.
Acid rain is caused by
13.
The gas which leaked from Union Carbide factory, Bhopal was
14.
Which one of the following is a bioindicator of air pollution?
15.
A water body having high BOD indicates that its water is
16.
Which of the following is not destroyed by bacteria?
17.
The water pollution in a river is determined by measuring the dissolved amount of
18.
Biological Oxygen Demand (BOD) is an indication of pollution in
19.
Polythene bags cannot be destroyed because they are made of
20.
Bhopal Gas Tragedy (leakage of methyl isocyanate ‘MIC’) accident happened on
