Question

Acrosomal reaction of the sperm occurs due to:

• A. Reactions within the epididymal environment of the male
• B. Androgens produced in the uterus
• C. Its contact with zona pellucida of the ova
• D. Reactions within the uterine environment of the female

Answer 1

The correct option is C Its contact with zona pellucida of the ova

Acrosome of the sperm:

Head of the sperm contains the nucleus of the sperm. A cap-like structure at the anterior end of the head is known as the acrosome and has lytic enzymes which help in acrosome reaction during the process of fertilization. These enzymes help in breaking down the cells of the zona pellucida of the ovum.

Final answer:
Option a.