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

CBSE BoardEnglish MediumSTD 12 ScienceBiologySTD 12 - 5. molecular basis of inheritance1 Mark
MCQ
$DNA$ is found primarily
  • ✓
    In cell nucleus
  • B
    Outside the cell nucleus
  • C
    In cell cytoplasm
  • D
    None of these
✓

Answer

Correct option: A.
In cell nucleus
a
(a)$DNA$ occurs mainly in nucleus, forming major chemical proportion of chromosomes. Some amount of $DNA$ is also present in cytoplasm (mitochondria and plastids).

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