JIPMER Jipmer Medical Solved Paper-1998

  • question_answer
    In C4plants, Calvins cycle:

    A)  Does not operate because PEP carboxylase fixes most of \[C{{O}_{2}}\] and leaves only a little of it for Calvin cycle

    B)    operates in the stroma of bundles heath chloroplasts

    C)    operates in the grana of bundle sheath chloroplasts

    D)    operates in the mesophyll chloroplast only

    Correct Answer: B

    Solution :

    In \[{{C}_{4}}\] plants, the first product after \[C{{O}_{2}}\]  fixaton is four carbon oxaloacetic acid (OAA) formed in mesophyll cells. The Calvin cycle takes place in the stroma of bundle sheath cells chloroplast.


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