Multiple choice

Which of the following processes is responsible for opening of stomata?

  1. Movement of solutes into the guard cells

  2. Movement of solutes outside the guard cells

  3. Movement of water into the guard cells

  4. Movement of water outside the guard cells
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

On absorbing water, guard cells become turgor and more arched outwards. It widens the aperture between them, and thus opens the stoma.

Keep practicing — related questions