MGIMS WARDHA MGIMS WARDHA Solved Paper-2008

  • question_answer
    In  CAM plants, \[C{{O}_{2}}\]acceptor is

    A)  RuBP                                   

    B)  PEP

    C)  OAA                                       

    D)  PGA

    Correct Answer: B

    Solution :

                     In CAM (Crassulacean Acid Metabolism) plants instead of spatial separation of initial PEP carboxylase fixation and final Rubisco fixation of \[C{{O}_{2}},\]the two steps occur in the same cells but at different rimes, night and day, Opunno, pineapple, Vanilla. PEP (Phosphoend Pyruvic Acid) is the first acceptor of \[C{{O}_{2}}\]in CAM plants like \[{{C}_{4}}\]plants.


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