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