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