JAMB Biology 1979 Question 36

Question 36

Structure of Flowering Plants

In the above diagram (Fig. 1) the cell which controls the opening and closing of stomatal pore is

Diagram for this question
  1. A.1
  2. B.2
  3. C.3
  4. D.4
  5. 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.