NEET AIPMT SOLVED PAPER 2003

  • question_answer                 Tobacco mosaic virus is a tubular filament of size:                                                                       

    A)                 \[300\times 20\,\,nm\]

    B)                 \[700\times 30\,\,nm\]

    C)                 \[300\times 10\,\,nm\]

    D)                 \[300\times 5\,\,nm\]

    Correct Answer: A

    Solution :

                    TMV is Elongated rod-like, \[3000\overset{\text{o}}{\mathop{\text{A}}}\,\] (300 nm) long and \[180\overset{\text{o}}{\mathop{\text{A}}}\,\] (18 nm) in diameter.

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