Question

➡️➡️Discribe the structure of pollen grain......​

Answer 1

Answer:

Pollen grains represent the male gamete. They are spherical and have two-layered wall. Flowers containing stamen consists of an anther and a filament. The anther contains four pollen sacs which produce pollen grains. Pollen grains are pollinated by various agents, once a pollen grain has landed on the stigma of a compatible species it will germinate. A pollen tube emerges from one of the pores in the wall of the pollen grains, and grows rapidly down the style to the ovary.

Answer 2

Answer---»»➷

★ A pollen grain is slightly yellowish in colour. They contains cytoplasm in them.

★ They are microscopic that is not visible to a naked eye.

★ They are microgametophytes that produce male gametes.

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