Multiple choice

Two cells that enclosing the stomata and known as guard cells, are

  1. heart shaped

  2. pear shaped

  3. kidney shaped

  4. round shaped

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

In most plants (dicots), guard cells that surround the stomatal pore are kidney-shaped or bean-shaped. In monocots like grasses, they are typically dumbbell-shaped.