CBSE 2025 · Region 7 · Set 1 · Q12 · 1 mark
$\displaystyle \alpha$-helix structure refers to :
Official answer
From CBSE’s own marking scheme for this paper.
(B)
secondary structure of protein
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CBSE Class 12 Chemistry past-paper question from the 2025board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.