Chhattisgarh PMT Chhattisgarh PMT Solved Paper-2009

  • question_answer
    Viruses contain

    A)  only RNA                           

    B)  only DNA

    C)  either DNA or RNA        

    D)  neither DNA nor RNA

    Correct Answer: C

    Solution :

    The genomes of viruses can be composed  either DNA or RNA. Usually plant viruses contain RNA but there are many plant viruses, which contain DNA as genetic material. Similarly animal viruses usually contain DNA but there many animal viruses, which contain RNA as genetic material.


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