Chhattisgarh PMT Chhattisgarh PMT Solved Paper-2006

  • question_answer
    Isotopes used in photosynthesis are                                                      

    A)  \[{{\text{C}}_{\text{11}}}\text{and }{{\text{P}}^{\text{32}}}\]                                  

    B)  \[{{\text{C}}^{\text{15}}}\text{and }{{\text{P}}^{\text{32}}}\]

    C)  \[{{\text{C}}^{\text{16}}}\text{and }{{\text{N}}^{\text{15}}}\]                                 

    D)  \[{{\text{C}}^{\text{14}}}\text{and}\,{{\text{O}}^{\text{18}}}\]

    Correct Answer: D

    Solution :

    \[{{C}^{14}}\] and \[{{O}^{18}}\] heavy isotopes of carbon and oxygen are used for knowing the path of carbon in photosynthesis and to confirm that oxygen is a product of photolysis of water.


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