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AMU Medical AMU Solved Paper-2010

  • question_answer
    The loss of water in \[{{\text{C}}_{\text{4}}}\text{-}\]plants compared to \[{{\text{C}}_{\text{3}}}\text{-}\]plants for the same amount of \[C{{O}_{2}}\]fixed is

    A)  half                                      

    B)  one- third

    C)  one- fourth                      

    D)  double

    Correct Answer: B

    Solution :

                     The loss of water in \[{{C}_{4}}\] -plants compared to \[{{C}_{3}}\] plants for the same amount of \[C{{O}_{2}}\] fixed is one-third. The major advantages of the \[{{C}_{4}}\] photosynthetic pathway are that less water is lost and less nitrogen is required to maintain a given rate of photosynthesis compared to  \[{{C}_{3}}\] plants.


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