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 hydrocarbon pollutants in atmospheric air causes
A Cancer
B Silicosis
C Respiratory diseases (e.g.asthma)
D Reduced crop yield
Carcinogenic air pollutants cause
A Bone decay
B Cancer
C Asphyxiation (suffocation)
D Anemia
Moist atmospheric air at high temperature (e.g., in summer) having high concentration of sulphur dioxide causes
A Fading of dyes on textiles
B Corrosion, tarnishing & soiling of metals
C Reduced strength of textiles
D All of the above
Presence of high concentration of ozone and smog in atmospheric air causes the
A Embrittlement & decrease of folding resistance of paper
B Cracking of rubber products
C Fading of dye on textiles
D Damage of electrical insulator on high tension power line
Most of the atmospheric air pollutants are present in large quantity in
A Stratosphere
B Thermosphere
C Trophosphere
D Mesosphere
Fluorosis (a bone disease) is caused by the presence of high concentration of __________ in atmospheric air.
A Hydrocarbons
B Hydrogen flouride
C Hydrogen sulphides
D Nitrogen dioxide
Atmospheric pollution caused by the exhaust gas of supresonic transport air-crafts is mostly in the atmospheric region called
A Thermosphere
B Stratosphere
C Troposphere
D Mesosphere
Carcinogenic chemicals cause
A Heart diseases
B Diabetes
C Cancer
D Asthma
Unleaded petrol contains __________ which are known as carcinogenic compounds
A nitrates
B sulphates
C benzene
D phosphates

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