WAEC Biology 2012 Objective — Question 21

Question 21 of 60 from the West African Examinations Council (WAEC) Biology 2012 Objective paper, with the correct answer and a full explanation.

When fertilization occurs that leads to formation of a zygote, which of the following processes takes place?

A. The tail of the sperm fuses with the egg cell
B. Both tail and head of the sperm fuse with the egg cell
C. The nucleus of the sperm fuses with the egg cellCorrect
D. The egg cell develops on its own without the sperm

Explanation

During fertilization, the tail of the sperm disintegrates after entering the oocyte cytoplasm, and the nucleus of the sperm fuses with the ovum, forming the zygote.

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