WAEC Biology 1991 (August) Question 9

Question 9

Structure of Flowering Plants

Which of the following tissues is not found in the stem and root of monocotyledons?

  1. A.Xylem
  2. B.Cambium
  3. C.Pith
  4. D.Cortex
  5. E.Pericycle
Show the answer and explanation

Answer: B (Cambium)

Explanation

Monocots have no cambium, which is why they do not undergo secondary thickening.