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NEET Biology Photosynthesis in Higher Plants Question Bank Experiments

  • question_answer
    Two plants A and B are supplied with\[C{{O}_{2}}\]with\[{{H}_{2}}{{O}^{18}}\]and\[C{{O}_{2}}^{18}\]with\[{{H}_{2}}O\]respectively which of the following plant releases O18 type oxygen in photosynthesis [CPMT 2000]

    A) A plant

    B) B plant

    C) Both [a] and [b]

    D) First [a] and then [b]

    Correct Answer: A

    Solution :

    During photosynthesis \[{{O}_{2}}\] evolved by the hydrolysis of water. If \[{{H}_{2}}{{O}^{18}}\] is used in ?A? plant then it became true that \[{{O}^{18}}\]type oxygen evolved from ?A? plant during photosynthesis.


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