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Biology · 2026 · 1 mark
CBSE 2026 · Region 3 · Set 1 · Q15
Assertion (A): DNA cannot pass through cell membrane of a bacterial cell. Reason (R): DNA is a hydrophilic molecule.
Assertion (A) : DNA cannot pass through cell membrane of a bacterial cell.
Reason (R) : DNA is a hydrophilic molecule.
Official answer
(A)
Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A).
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CBSE Class 12 Biology past-paper question from the 2026 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.