NEET Biology question

BiologyEnvironmental IssuesNEET

Not in NEET syllabus

**Assertion:** The ozone layer present in the stratosphere protects living organisms from harmful UV rays coming from the sun by absorbing nearly all of them. **Reason:** Ozone formed in the troposphere by photochemical reactions as a result of human activities is harmful for all living organisms.

Answer: (B)

Solution

Stratospheric ozone genuinely shields organisms by absorbing nearly all incoming harmful UV radiation (assertion true), and tropospheric ozone formed through photochemical smog reactions is indeed harmful to living organisms (reason true). However, these describe two

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Question ID VK-130402