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JIPMER Jipmer Medical Solved Paper-2000

  • question_answer
    The source of \[{{O}_{2}}\] liberated in photo-synthesis is:

    A)  carbon dioxide                

    B)    water  

    C)    alcohol                

    D)         none of these

    Correct Answer: B

    Solution :

    It was proved by Ruben and Kamen in 1941 that oxygen in photosynthesis comes from photolysis of water.


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