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WAEC Biology 1996 Question 21

Question 21

Reproduction in Animals

Use the drawing of a mammalian spermatozoan (parts labelled I to V).
Which of the following labelled structures secretes enzymes which facilitate penetration of the egg?

Diagram for this question
  1. A.I
  2. B.II
  3. C.III
  4. D.IV
  5. E.V
Show the answer and explanation

Answer: A (I)

Explanation

I is the acrosome at the tip of the head, which releases enzymes to dissolve a way into the egg.