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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
Which of the following statements is incorrect?
  • ✓
    $TMV$ has a double-stranded $RNA$ molecule.
  • B
    Most plant viruses are $RNA$ viruses.
  • C
    The bacteriophages are usually double stranded $DNA$ viruses
  • D
    Animal viruses are either single or double stranded $RNA$ or double stranded $DNA$ viruses.
✓

Answer

Correct option: A.
$TMV$ has a double-stranded $RNA$ molecule.
a
Tobacco mosaic virus ($TMV$) is a single stranded $RNA$ virus that infects a wide range of plants, especially tobacco and other members of the family Solanacea.

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