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CMC Medical CMC-Medical VELLORE Solved Paper-2007

  • question_answer
    \[{{C}_{4}}\] plants can absorb \[C{{O}_{2}}\]from

    A)  its much low concentration

    B)  its much high concentration

    C)  carbonates

    D)  bicarbonates

    Correct Answer: A

    Solution :

                    The enzyme PEP carboxy dismutase present in \[{{C}_{4}}\]plants is very sensitive to \[C{{O}_{2}},\]this is why the \[{{C}_{4}}\]plants can absorb \[C{{O}_{2}}\]even from in much low concentration while the \[{{C}_{3}}\]plants fail to avail it from such low concentration.


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