CBSE 2025 · Region 2 · Set 1 · Q11 · 1 mark
Nucleotides are joined together by
Official answer
From CBSE’s own marking scheme for this paper.
(D)
Phosphodiester linkage
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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.