Question

In an experiment, sperms removed from the epididymis of a man were added in a test tube containing culture medium and ovum, but the gametes did not fertilise. In another experiment, sperms from the epididymis of a man were injected into the uterus of a woman, and she became pregnant. What do you conclude from these experiments?
A. Sperms need a highly acidic medium of the uterus to become motile
B. Sperms need to travel through the neutral medium of the fallopian tube to fertilise
C. Ovum secretes some hormones to activate the sperm and make it motile
D. Female reproductive tract interact with sperms and activate them to fertilise the egg​

Answer 1

Answer:

D

Explanation:

• Capacitation of sperms is the process of activation of the sperms which occurs in the female reproductive tract.
• This process is absolutely essential in order to activate the sperms. Only then can the sperm fertilize the ovum.

Answer 2

Answer:

D. Female reproductive tract interact with sperms and activate them to fertilise the egg​