Related Questions

Very small amount of air pollutants are present in stratosphere also; though most of the atmospheric pollutants are present in the troposphere. Which of the following atmospheric pollutants does not cause the ozone layer depletion in atmosphere at tremendous rate?
A CO
B SO2
C NOx
D CFC (chloro fluoro carbons)
High concentration of carcinogenic hydrocarbon pollutants in atmospheric air causes
A Cancer
B Silicosis
C Respiratory disease (e.g., asthma)
D Reduced crop yield
Carcinogenic chemicals cause
A Heart diseases
B Diabetes
C Cancer
D Asthma
Exposure to chemicals having carcinogenic properties cause
A Dermatitis (skin disorder)
B Cancer
C Asphyxiation (suffocation)
D Asthma
Unleaded petrol contains __________ which are known as carcinogenic compounds
A nitrates
B sulphates
C benzene
D phosphates
Which of the following air pollutants is not toxic to vegetation i.e., doesn't cause vegetation damage?
A Smog & ozone
B Hydrogen fluoride & nitrogen oxides
C Sulphur dioxide & spray of weed killers
D Carbon monoxide
High concentration hydrocarbon pollutants in atmospheric air causes
A Cancer
B Silicosis
C Respiratory diseases (e.g.asthma)
D Reduced crop yield
Most of the atmospheric air pollutants are present in large quantity in
A Stratosphere
B Thermosphere
C Trophosphere
D Mesosphere
Which of the following is the most major constituents of air pollutants?
A Oxides of sulphur
B Oxides of nitrogen
C Carbon monoxide
D Hydrogen sulphide
'Particulate' air pollutants are finely divided solids and liquids. Which of the following is not a 'particulate'?
A Dust & mists
B Smoke & fumes
C Photochemical smog & soot
D None of these

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