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Science · 2024 · 1 mark
CBSE 2024 · Region 2 · Set 1 · Q18
Assertion (A) : Human female has a perfect pair of sex chromosome.
Reason (R) : Sex chromosome contributed by the human male in the zygote decides the sex of a child.
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).
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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.