WAEC Biology 2017 Objective — Question 22

Question 22 of 50 from the West African Examinations Council (WAEC) Biology 2017 Objective paper, with the correct answer and a full explanation.

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

A. A. MarginalCorrect
B. B. Axile
C. C. Parietal
D. D. Free central

Explanation

Marginal placentation is not common among syncarpous pistils. Note that in marginal placentation, the ovules are arranged in a single row at the margin of the ovary.

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