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Biology · 2026 · 1 mark
CBSE 2026 · Region 5 · Set 2 · Q13
Assertion (A): Genetically modified microbes help in crop protection. Reason (R): Bacillus thuringiensis (Bt) bacteria control insects by producing…
Assertion (A) : Genetically modified microbes help in crop protection.
Reason (R) : Bacillus thuringiensis (Bt) bacteria control insects by producing prototoxins.
Official answer
(B)
Both Assertion (A) and Reason (R) are true, but Reason (R) is not 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.