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Biology · 2025 · 1 mark
Biotechnology : Principles and ProcessesProcesses of Recombinant DNA Technology1 markUnderstandassertion reason
CBSE 2025 · Region 2 · Set 1 · Q16
Assertion (A): Restriction endonuclease recognises palindromic sequence in DNA and cuts them. Reason (R): Palindromic sequence has two unique…
Assertion (A) : Restriction endonuclease recognises palindromic sequence in DNA and cuts them.
Reason (R) : Palindromic sequence has two unique recognition sites PstI and PvuI recognised by restriction endonuclease.
Official answer
(C)
(A) is true, but (R) is false.
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CBSE Class 12 Biology past-paper question from the 2025 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.