question_answer

Given below is the diagrammatic representation of human's male gamete. Answer the questions that follow

(i) Identify A, B and C.

(ii) Write the functions of A and B.

Answer:

(i)

A - Acrosome

B - Middle piece

C - Tail

(ii) The acrosome (A) is filled with enzymes. It is used to contact and penetrate the egg during fertilisation. Middle piece (B) possesses many mitochondria to produce energy for the movement of tail to facilitate sperm motility.