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