Question 36
Structure of Flowering PlantsIn the above diagram (Fig. 1) the cell which controls the opening and closing of stomatal pore is

- A.1
- B.2
- C.3
- D.4
- E.5
Show the answer and explanation
Answer: E (5)
Explanation
Guard cells change shape to open and close the stoma; in Fig. 1 the guard cell is the small dotted cell labelled 5.