Ovule is

Exine of pollen-grain is made up of

Monocot pollengrains are generally

Bulb is a modification of

Which of the following is not concerning pollination?

The nucellus in the ovule is often called

The continued existence of any race can be basically attributed to the

In angiosperms, meiosis occurs at the time of

The point of attachment of the cotyledons on the tigellum is

The process of fusion of male gamete with the polar nuclei is known as _____.