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Related Practice Questions :

In cities like Bombay and Calcutta, the major air pollutants are

(1) Ozone

(2) Carbon monoxide and oxides of Sulphur

(3) Hydrocarbons and not air

(4) Algal spores and marsh gas

 91%
From NCERT
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An increase in CO2 concentration in the atmosphere will result in

(1) Adverse effects of natural vegetation

(2) Global warming

(3) Temperature decrease in a global atmosphere

(4) Genetic disorders in plants and animals

 93%
From NCERT
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The most harmful air pollutant produced by automobiles is:

1. HNO2

2. NOX

3. SO2

4. CO

 63%
From NCERT
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Most hazardous metal pollutant of automobile exhaust is

(1) Hg

(2) Cd

(3) Pb

(4) Cu

 73%
From NCERT
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Which of the following is not one of the prime health risks associated with greater
UV radiations through the atmosphere due to depletion of stratospheric ozone?       

1. Damage to eyes
2. Increased liver cancer
3. Increased skin cancer.
4. Reduced Immune system

 58%
From NCERT
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