Home Biology Ecosystem Previous Year Questions "Good ozone" is found in the :
Biology Ecosystem Previous Year Questions Single Correct MCQ
Published on: August 12, 2026

"Good ozone" is found in the :

A
Ionosphere
B
Mesosphere
C
Troposphere
D
Stratosphere

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Verified by Experts
The correct answer is:
D

Ozone is considered "good" when it is in the stratosphere because it shields the Earth by absorbing harmful ultraviolet (UV) radiation from the sun

In contrast, ozone in the troposphere is "bad" because it acts as a toxic air pollutant and a potent greenhouse gas. This stratospheric layer is crucial for protecting human health, crops, and marine life from solar damage

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