CBSE 2024 · Region 3 · Set 1 · Q2 · 1 mark
A DNA fragment has $\displaystyle 2000$ nucleotides, out of which $\displaystyle 140$ are Adenine. How many bases does this DNA segment possess that have triple hydrogen bonds between them ?
Official answer
From CBSE’s own marking scheme for this paper.
(C)
$\displaystyle 1720$
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CBSE Class 12 Biology past-paper question from the 2024board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.