NEET Sample Paper NEET Sample Test Paper-76

  • question_answer
    \[{{C}_{4}}-plants\] differ from \[{{C}_{3}}-plants\] in respect to

    A)  Number of \[C{{O}_{2}}\] molecules used

    B)  Substrate, which accept the \[C{{O}_{2}}\] molecules

    C)  Number of ATP formed

    D)  Number of \[{{O}_{2}}\] formed

    Correct Answer: B

    Solution :

    In\[{{\operatorname{C}}_{3}}-plants\], \[C{{O}_{2}}\] combines with RuBP to form phosphoglyceric acid, on the other hand\[{{\operatorname{C}}_{4}}-plants\], carbon dioxide is first picked up by phosphoenol pyruvate to form oxaloacetic acid.


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