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WAEC Biology 2017 Question 22

Question 22

Reproduction in Plants

Which of the following types of placentation is not common amongst syncarpous pistils?

  1. A.Marginal
  2. B.Axile
  3. C.Parietal
  4. D.Free central
Show the answer and explanation

Answer: A (Marginal)

Explanation

Marginal placentation occurs in an ovary made of one carpel, such as the bean pod. Axile, parietal and free central placentation occur where several carpels are fused (syncarpous).