(a) ionosphere
(b) mesosphere
(c) stratosphere
(d) troposphere
[CBSE AIPMT 2014]
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Aug 23, 2021
The zone of atmosphere in which the ozone layer is present is called
The zone of atmosphere in which the ozone layer is present is called
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Correct Option (c) Reason : The ozone layer is mainly found in the lower portion of stratosphere, i.e. approximately 20-30 km above the earth, though its thickness varies seasonally and geographically, ozone layer acts as a shield absorbing UV rays from the sun.