No. of questions - 20
Time - 10 min
Negative marking : -0.25 mark
1.
Bio-degradable pollutant is
2.
Human-made pollutants are called
3.
Which of the following, when dissolved in rain water turns rain water acidic (acid rain)?
4.
Which of the following is the reason behind the maximum noise pollution?
5.
Acid rain occurs due to
6.
Combustion of petrol in automobiles pollutes the air by producing following metal.
7.
The non-biotic pollutant underground water is
8.
The combustion of coal, petrol and diesel etc., is the basic source of
9.
Indiscriminate use of fertilizers have led to
10.
Acid rain is caused by pollution of environment by
11.
Which of the following air pollutants is most dangerous?
12.
Which of the following air pollutants get dissolved in haemoglobin of the blood more rapidly than oxygen?
13.
Which one of the following air pollutants can affect blood stream leading to death?
14.
Colourless gas coming out from motor vehicle and cigarette due to incomplete combustion is
15.
Which one of the following is not a secondary pollutant?
16.
Pollutant emission gas in vehicle exhaust is mainly
17.
Which of the following is produced during the formation of photochemical smog ?
18.
Photochemical smog is a resultant of the reaction among
(A) NO2, O3 and peroxyacetyl nitrate in the presence of sunlight
(B) CO, O2 and peroxyacetyl nitrate in the presence of sunlight
(C) CO, CO2 and NO2 at low temperature
(D) High concentration of NO2, O3 and CO in the eveningDeselect Answer
19.
The highest chemical pollution is caused by the industrial effluents of
20.
During normal conditions, the gas which pollutes the atmosphere is
