1.

    Which statement about the structure of viroids is FALSE?

    A

    They are composed of double-stranded RNA.

    B

    They lack a protein coat.

    C

    They have a circular RNA molecule.

    D

    They are smaller than viruses.

    Question Tags
    πŸ“š Subject:Botany
    πŸ“‘ Chapter:Biological Classification
    🎯Topic:Virus, Viroids,Prions And Lichens
    PYQ YEAR: 2020
    πŸŽ“ Ncert Level:Understanding
    🎯Difficulty :Medium
    ⚑ Time Required :1 mins
    πŸ”„Ncert Concepts :viroids, RNA structure, viruses

    Related Questions

    1.

    ds RNA is found in

    A

    Reovirus

    B

    TMV

    C

    Ο• Γ—174

    D

    None of these

    Question Tags
    πŸ“š Subject:Botany
    πŸ“‘ Chapter:Biological Classification
    🎯Topic:Virus, Viroids,Prions And Lichens
    πŸŽ“ Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚑ Time Required :1 mins
    πŸ”„Ncert Concepts :Viral genomes, RNA viruses, dsRNA

    2.

    Which statement is incorrect?

    A

    Plant virus contains RNA

    B

    Animal virus contains DNA

    C

    T_4 contains dsDNA

    D

    TMV contains dsRNA

    Question Tags
    πŸ“š Subject:Botany
    πŸ“‘ Chapter:Biological Classification
    🎯Topic:Virus, Viroids,Prions And Lichens
    πŸŽ“ Ncert Level:Analyzing
    🎯Difficulty :Medium
    ⚑ Time Required :2 mins
    πŸ”„Ncert Concepts :Virus structure, Viral genomes, RNA viruses, DNA viruses, dsDNA, dsRNA

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