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