Draw a labelled diagram of the male reproductive system.

Suggest some methods to assist infertile couples to have children.

Amniocentesis for sex determination is banned in our country. Is this ban necessary? Comment.

How many eggs do you think were released by the ovary of a female dog which gave birth to 6 puppies?

How many eggs are released by a human ovary in a month? How many eggs do you think would have been released if the mother gave birth to identical twins? Would your answer change if the twins born were fraternal?

In our society the women are often blamed for giving birth to daughters. Can you explain why this is not correct?