Related Questions

The depletion in Ozone layer is caused by ________ .
A Nitrous oxide
B Carbon dioxide
C Chlorofluorocarbons
D Methane
Ozone depletion in the atmosphere is mainly caused by
A Sulphur dioxide
B Nitrogen dioxide
C Hydrogen sulphide
D Chlorofluorocarbon
Ozone depletion in the stratosphere is mainly caused by
A SO2
B NO2
C NO
D Chlorofluorocarbons
Under the depletion allowance method in computing depreciation, the depletion charge is equal to either ______ whichever is smaller.
A Fixed percentage of gross income or the net taxable income
B Fixed percentage of gross income or 50% of the net taxable income
C 50% of the fixed percentage of gross income or 50% of the net taxable income
D 50% of the fixed percentage of gross income or the net taxable income
The depletion allowance method of computing depletion is commonly known as ______.
A Unit method
B Percentage method
C Factor method
D Sinking fund method
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
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

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