Related Questions

The depletion of Ozone layer is mainly due to
A Volcanic eruptions
B Aviation fuels
C Radioactive rays
D Chlorofluorocarbons
Release of which among the following is the primary reason for depletion of the ozone layer?
A Nitrous oxide
B Hydrogen dioxide
C Chlorofluro carbon
D Carbon monoxide
Depletion of ozone layer causes
A Breast cancer
B Skin cancer
C Lung cancer
D Blood cancer
Which of the following chemicals is responsible for depletion of ozone layer in the atmosphere?
A Chlorofluorocarbons
B Nitrous oxide
C Sulphur dioxide
D Carbon dioxide
CFC (chloro fluoro carbon) is very highly reactive in causing depletion of ozone layer in the atmosphere. Each atom of chlorine liberated from CFC is capable of decomposing __________ molecules of ozones.
A 102
B 105
C 109
D 1015
The depletion in Ozone layer is caused by ________ .
A Nitrous oxide
B Carbon dioxide
C Chlorofluorocarbons
D Methane
Which of the following chemical materials is responsible for the depletion of ozone layer in the atmosphere ?
A Nitrous oxide
B Carbon dioxide
C Chlorofluorocarbon
D Sulphur dioxide
_________ is the first country to have phased out the CFCs and HCFCs which are responsible for the depletion of the ozone layer.
A Denmark
B Germany
C France
D Spain
Depletion of ozone layer in the outer atmosphere may cause
A Lung cancer
B Skin cancer
C Bronchitis
D Heart disorder
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)

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