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STD 12 - 9. biotechnology principlas and process — Biology STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 ScienceBiologySTD 12 - 9. biotechnology principlas and process1 Mark
MCQ
$A$ : Ethidium bromide helps in visualizing $DNA$ in $UV$ light only.

$R$ : This intercalating agent absorbs light in range $260 -330 \;nm.$

  • ✓
    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.
  • D
    Both Assertion and Reason are incorrect.
✓

Answer

Correct option: A.
Assertion and Reason both are correct and also correct explanation.
a

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