Multiple choice

When water enters the guard cells the stomata

  1. Opens

  2. Closes

  3. Open or closes

  4. No effect

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Opening and closure of the stomata pore is mediated by changes in the turgor pressure of the two guard cells. The turgor pressure of guard cells is controlled by movements of large quantities of ions and sugars into and out of the guard cells