Name Chief layers of human ovum.

Name the largest gland of human body.

What do you call the area of a human ovum from where the sperm makes the entry ?

Draw a well labelled diagram of structure of Human ovum.

The innermost layer of human eye is:

Given below is the diagram of a human ovum surrounded by a few sperms. Observe the diagram and answer the following questions. Compare the fate of sperms shown in the diagram.