What is the function of the guard cells?

  1. To make the cuticle
  2. To transport water
  3. To store starch
  4. To open and close the stomata
Answer

D) To open and close the stomata

Guard cells control stomatal opening. O Level Biology · Topic 6 Plant Nutrition · 6.2 Leaf structure

Biology MCQ · More O Level Biology: Plant Nutrition MCQs · Practise