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STD 11 - 2. Biology classification — BIOLOGY STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYSTD 11 - 2. Biology classification1 Mark
MCQ
The genetic material of virus includes
  • A
    only $RNA$.
  • B
    only $DNA$.
  • C
    $RNA$ and $DNA$ both
  • ✓
    $RNA$ or $DNA$, i.e., one nucleic acid in a virus.
✓

Answer

Correct option: D.
$RNA$ or $DNA$, i.e., one nucleic acid in a virus.
d
Viruses are obligate intracellular parasite which can reproduce only by invading and taking over other cells as they lack the cellular machinary for self reproduction. Viruses have either $DNA$ or $RNA$ as the genetic material. Viruses having $RNA$ as the genetic material are known as Retroviruses.

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