Human Reproduction Question 16

16. Which one of the following statements about human sperm is correct?

[2010]

(a) Acrosome has a conical pointed structure used for piercing and penetrating the egg, resulting in fertilisation

(b) The sperm lysins in the acrosome dissolve the egg envelope facilitating fertilisation

(c) Acrosome serves as a sensory structure leading the sperm towards the ovum

(d) Acrosome serves no particular function

Show Answer

Answer : b

Hints & Solutions

(b) Acrosome a small pointed structure at the tip of nucleus. It breaks down just before fertilization, releasing hydrolytic enzymes that assist penetration between follicle cells that surrounds the ovum, thus facilitating fertilization.