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WAEC Biology 2015 Question 20

Question 20

Reproduction in Plants

The main difference between a seed and a fruit is that a fruit

  1. A.is large while a seed is small.
  2. B.has two scars while a seed has one.
  3. C.is pigmented while a seed is not.
  4. D.can be dispersed by animals while a seed cannot.
Show the answer and explanation

Answer: B (has two scars while a seed has one.)

Explanation

A fruit develops from the ovary, so it has two scars: one from the stalk and one from the style. A seed develops from an ovule and has only one scar, the hilum.