"Good ozone"" is found in the"

3 2011 AIPMT-MAINS Environmental IssuesOzone depletion Easy
\"Good ozone\"" is found in the"
A Stratosphere
B Ionosphere
C Mesosphere
D Troposphere

Detailed Solution

Ozone is called 'good' or 'bad' depending on where it is found.
Good ozone is found in the upper part of the atmosphere called the stratosphere, where it acts as a shield absorbing the harmful ultraviolet radiation from the sun.
Bad ozone is formed in the lower atmosphere (troposphere), where it is a pollutant that harms plants and animals.
The thickness of the ozone layer is measured in Dobson units.
Hence good ozone is found in the stratosphere.

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