NEET AIPMT SOLVED PAPER 2003

  • question_answer
                    Viruses are no more ?alive? than isolated chromosomes because:                                          

    A)                 they both require oxygen for respiration      

    B)                 both require the environment of a cell to replicate

    C)                 they require both RNA and DNA                      

    D)                 they both need food molecules

    Correct Answer: B

    Solution :

                    Viruses are noncellular obligate parasite. In the free state they are just like the particles. They do not have their own metabolic machinery. They use host's machinery for multiplication.


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