A typical angiospermic embryo sac is susally

The point at which funicle is attached to body of ovule

The tenuinucellate ovule has

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