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NEET 2019, Biology Q65: Viruses, Viroids, Prions and Lichens

NEET2019Paper 2019Biology
Q.

Which of the following statements is incorrect?

  1. A

    Viroids lack a protein coat.

  2. B

    Viruses are obligate parasites.

  3. C

    Infective constituent in viruses is the protein coat.

  4. D

    Prions consist of abnormally folded proteins.

Solution

Infective constituent in viruses is either DNA or RNA, not protein.

Concept behind this question

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