CBSE 2026 · Region 4 · Set 3 · Q2 · 1 mark
Which one of the following statements is correct ?
Official answer
From CBSE’s own marking scheme for this paper.
(B)
XO type of sex chromosomes determine male sex in grasshoppers.
Principles of Inheritance and VariationSex DeterminationRemembermcqmedium
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CBSE Class 12 Biology past-paper question from the 2026board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.