NEET Biology Photosynthesis in Higher Plants Question Bank \[{{C}_{4}}\] \ CAM \ Photorespiration

  • question_answer
    In case of\[{{C}_{4}}\]pathway [MP PMT 1989; BHU 1982; CPMT 1994; EAMCET 1995]

    A) \[C{{O}_{2}}\]combines with PGA

    B) \[C{{O}_{2}}\]combines with PEP

    C) \[C{{O}_{2}}\]combines with RuDP

    D) \[C{{O}_{2}}\]combines with  RMP

    Correct Answer: B

    Solution :

    One of the basic features of \[{{C}_{4}}\] plants is that \[C{{O}_{2}}\] is trapped by a \[C{{O}_{2}}\] acceptor, phosphoenol pyruvic acid present in the (PEP) chloroplasts of mesophyll cells of these leaves, leading to the formation of a 4-C compound oxaloactic acid.


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