1.

    Certain infectious particles lack nucleic acids yet cause diseases. Which of the following correctly describes the infectious agent and a disease it causes?

    A

    Viroids; Potato spindle tuber disease

    B

    Prions; Creutzfeldt-Jakob disease

    C

    Viruses; Tobacco mosaic disease

    D

    Lichens; Athlete's foot

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Biological Classification
    🎯Topic:Virus, Viroids,Prions And Lichens
    🎓 Ncert Level:Remembering
    🎯Difficulty :Hard
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Prions, Diseases, Viruses, Viroids, Lichens

    Related Questions

    1.

    Contagium vivum fluidum was proposed by

    A

    D.J. Ivanowsky

    B

    M.W. Beijerinck

    C

    Stanley

    D

    Robert Hooke

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Biological Classification
    🎯Topic:Virus, Viroids,Prions And Lichens
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :History of Virology, Scientific Discovery

    2.

    Virus was discovered by whom?

    A

    Stanley

    B

    Ivanowski

    C

    Herelle

    D

    Beijerinck

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Biological Classification
    🎯Topic:Virus, Viroids,Prions And Lichens
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :History of Virology, Scientific Discovery

    3.

    Contagium vivum fluidum was proposed by

    A

    D.J. Ivanowsky

    B

    M.W. Beijerinck

    C

    Stanley

    D

    Robert Hooke

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Biological Classification
    🎯Topic:Virus, Viroids,Prions And Lichens
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :History of Virology, Scientific Discovery, Germ Theory

    4.

    Who crystallised and isolated viruses for the first time?

    A

    WM Stanley

    B

    FC Bawden

    C

    KM Smith

    D

    DJ lvanowsky

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Biological Classification
    🎯Topic:Virus, Viroids,Prions And Lichens
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Virology, History of Science, Scientific Discovery

    5.

    Virus was discovered by whom?

    A

    Stanley

    B

    Ivanowski

    C

    Herelle

    D

    Beijerinck

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Biological Classification
    🎯Topic:Virus, Viroids,Prions And Lichens
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :History of Virology, Scientific Discovery

    6.

    Viroids were discovered by

    A

    TO Diener

    B

    DJ Ivanowsky

    C

    MW Beijerinck

    D

    WM Stanley

    Question Tags
    📚 Subject:Botany
    📑 Chapter:Biological Classification
    🎯Topic:Virus, Viroids,Prions And Lichens
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :Viroids, Scientific Discovery, History of Biology

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