NEET Biology NEET PYQ-Viruses Viroids and Lichens

  • question_answer
    Tobacco mosaic virus is a tubular filament of size: [AIPMT 2003]

    A) 300 × 20 nm

    B) 700 × 30 nm

    C) 300 × 10 nm    

    D) 300 × 5 nm

    Correct Answer: A

    Solution :

    [a] TMV is Elongated rod-like, 3000Å (300 nm) long and 180Å (18 nm) in diameter.


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