Related Questions

Which of the following refrigerant has the maximum ozone depletion potential in the stratosphere?
A Ammonia
B Carbon dioxide
C Sulphur dioxide
D Fluorine
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)
Ozone depletion in the atmosphere is mainly caused by
A Sulphur dioxide
B Nitrogen dioxide
C Hydrogen sulphide
D Chlorofluorocarbon
The depletion of Ozone layer is mainly due to
A Volcanic eruptions
B Aviation fuels
C Radioactive rays
D Chlorofluorocarbons
Ozone depletion is caused by
A Carbon monoxides
B Carbon dioxide
C Chlorofluorocarbon
D Mercuric Oxide
The depletion in Ozone layer is caused by ________ .
A Nitrous oxide
B Carbon dioxide
C Chlorofluorocarbons
D Methane
which one among the following is responsible for formation of 'Ozone Holes' in the stratosphere?
A Chloro Fluoro Carbons
B Benzopyrene
C Hydrocarbons
D UV radiation
which one among the following is responsible for formation of 'Ozone Holes 'in the stratosphere?
A Chloro Fluoro Carbons
B Bnropyrene
C Hydrocarbons
D UV radiation
The presence of ozone in the stratosphere is responsible for
A Increasing the average global temperature in recent years
B Higher rate of photosynthesis
C Checking the penetration of ultraviolet rays to the earth
D Supplying oxygen for people travelling in jets
The average thickness of ozone layer in stratosphere is about __________ dobson unit (DU).
A 20
B 230
C 750
D 1500

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