CBSE 2025 · Region 1 · Set 3 · Q13 · 1 mark
Assertion (A) : The mammary glands secrete milk for the nourishment of the young ones.
Reason (R) : These are modified sweat glands.
Official answer
From CBSE’s own marking scheme for this paper.
(B)
Both (A) and (R) are true, but (R) is not the correct explanation of (A).
Human ReproductionParturition and LactationUnderstandassertion_reasoneasy
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CBSE Class 12 Biology past-paper question from the 2025board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.