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Biology · 2023 · 1 mark
CBSE 2023 · Region 1 · Set 2 · Q15
Assertion (A): In an operon, the regulator and operator genes are not associated with the constitutive genes. Reason (R): Constitutive genes need not…
Assertion (A) : In an operon, the regulator and operator genes are not associated with the constitutive genes.
Reason (R) : Constitutive genes need not be repressed.
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 2023 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.