CBSE 2025 · Region 1 · Set 3 · Q14 · 1 mark
Assertion (A) : Scaffold proteins are non-histone chromosomal proteins.
Reason (R) : They are rich in lysine and arginine.
Official answer
From CBSE’s own marking scheme for this paper.
(C)
(A) is true, but (R) is false.
Molecular Basis of InheritanceRegulation of Gene ExpressionUnderstandassertion_reasonmedium
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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.