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