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Standard IX
Biology
Ozone Layer
In the upper ...
Question
In the upper atmosphere, ____ gets converted to ozone.
A
carbon monoxide
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B
oxygen
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C
nitrogen
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D
oxygen and methane
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Solution
The correct option is
B
oxygen
In the upper atmosphere oxygen is broken down by U.V. rays. It gets converted to ozone. The reaction occurs as follows:
3
O
2
UV rays
⇌
2
O
3
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