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