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