JCECE Medical JCECE Medical Solved Paper-2015

  • question_answer
    TMV and majority of plant viruses possess

    A)  Only ssRNA

    B)  Only dsRNA

    C)  Both RNA and DNA

    D)  Only DNA

    Correct Answer: A

    Solution :

     Viruses contain genetic material, that could be either RNA or DNA. In general, viruses that infect plants have single stranded RNA whereas, viruses that infect animals have either single or double stranded RNA or double stranded DNA. Bacterial virus or bacteriophages (viruses that infect the bacteria) are usually double stranded DNA viruses.


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