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7 questions
One molecule of ozone is made from ____ atoms of oxygen
1
2
3
4
Due to various factors in upper atmosphere, the earth's ozone layer is depleting, this is called ______________
Eutrophication
Ozone layer depletion
Incinerator
biomagnification
Which of the following is not an effect of ozone layer depletion?
Skin cancer
Eye cancer
Decrease in immunity
pepsin ulcer
Who among the following maintains the balance of carbon dioxide in environment with the help of photosynthesis process?
Phytoplankton
Eutrophication
Incinerator
biomagnification
Which of the following is responsible for ozone layer depletion?
Carbon dioxide
Nitrogen
Chlorofluorocarbon
Hydrogen
Which of the following can be used to avoid ozone layer depletion?
Travel by motorcycle
Use chemical fertilizers
use chlorine based products for cleaning
Travel by public transport
Rahul has to work outdoors for 10 hours a day. After 4 years he developed a skin cancer. Which of the following can be possible reason for this?
Eutrophication
Ozone layer depletion
Kidney stone
biomagnification
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