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