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NEET Biology The Living World / जीव जगत Question Bank Origin of Life

  • question_answer
    The four elements that make up 99% of all elements found in a living system are                       [CBSE PMT 1994]

    A)            H, O, C, N

    B)            C, H, O, S

    C)            C, H, O, P

    D)            C, N, O, P

    Correct Answer: A

    Solution :

     


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