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Science · 2024 · 1 mark
CBSE 2024 · Region 5 · Set 1 · Q20
Assertion (A) : Ozone layer protects the surface of the Earth from harmful UV radiations.
Reason (R) : Chlorofluorocarbons (CFCs) are responsible for depletion of ozone layer.
Official answer
From CBSE’s own marking scheme for this paper.
(B)
Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of the Assertion (A).
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CBSE Class 10 Science past-paper question from the 2024board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.