MCQ
Opening and closing of stomata is due to:
  • A
    Hormonal changes in the guard cells.
  • Changes in the turgor pressure of guard cells.
  • C
    Respiration of guard cells.
  • D
    Cytoplasmic streaming.

Answer

Correct option: B.
Changes in the turgor pressure of guard cells.
Changes in the turgor pressure of guard cells.

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