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STD 12 - 5. molecular basis of inheritance — BIOLOGY STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 ScienceBIOLOGYSTD 12 - 5. molecular basis of inheritance1 Mark
MCQ
$A$ : Lac operon exerts negative control only.
$R$ : The operator is occupied by aporepressor during regulation
  • A
    Assertion and Reason both are correct and also correct explanation.
  • B
    Assertion and Reason both are correct but not explanation of assertion.
  • C
    Assertion is correct, but Reason is incorrect.
  • ✓
    Both Assertion and Reason are incorrect.
✓

Answer

Correct option: D.
Both Assertion and Reason are incorrect.
d
Lac openon is +ve and -ve control

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