CBSE 2026 · Region 4 · Set 3 · Q10 · 1 mark
In pBR322, tetracycline, resistance gene (tet $\displaystyle { }^{\mathrm{R}}$ ) has recognition site for which of the following restriction endonuclease?
Official answer
From CBSE’s own marking scheme for this paper.
(B)
BamH I
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CBSE Class 12 Biology past-paper question from the 2026board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.