NEET Biology NEET PYQ-Morphology Of Plants

  • question_answer
    Which of the following facilitates opening of stomatal aperture?                    [NEET-2017]

    A) Longitudinal orientation of cellulose microfibrils in the cell wall of guard cells

    B) Contraction of outer wall of guard cells

    C) Decrease in turgidity of guard cells

    D) Radial orientation of cellulose microfibrils in the cell wall of guard cells

    Correct Answer: D

    Solution :

    [d] Cellulose microfibrils are oriented radially rather than longitudinally which makes easy for the stoma to open.


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