Multiple choice

Opening and closing of stomata in angiosperms is due to which of the following phenomenon?

  1. Photosynthesis in guard cells

  2. Oxygen accumulation in stoma

  3. Effect of auxins

  4. Changes in turgor pressure of guard cells

  5. Effect of root pressure
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Opening and closing of stomata in angiosperms is due to changes in turgor pressure of guard cells. As the turgor pressure of the guard cells changes, the opening and closing of stomata occurs.

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