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VMMC VMMC Medical Solved Paper-2015

  • question_answer
    Read the following statements choose the correct option. I. Hydrolysis of starch produce malic acid in guard cells of stomata. II. Malic acid accumulation results into closure of guard cells. III. Breakdown of malic acid from potassium malate. IV. This opens the stomata.

    A) These sequence of events I to IV are formed in CAM plants

    B) These sequence of events are normal mechanism of stomatal apparatus

    C) The events are characteristics of \[{{C}_{3}}\] and \[{{C}_{4}}\]  plants.

    D) All statements are wrong

    Correct Answer: A

    Solution :

    The CAM plants open their stomata at night. statements I to IV are describing to mechanism.


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