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