Bihar Board Class 12 Biology - Class 12 Bihar Board Botany

## Sexual Reproduction in Flowering Plants Sexual reproduction in flowering plants centers on the formation and fusion of male and female gametes, leading to seed and fruit development. The process is unique to angiosperms, which possess flowers, seeds, and fruits, distinguishing them from other plant groups. Understanding the structural and...

How many kingdoms are living organisms divided into according to the classification described?

Five

Which kingdom includes flowering plants?

Plantae

How many kingdoms are living organisms divided into according to the classification described?

Five

Which kingdom includes flowering plants?

Plantae

What are Angiosperms?

Angiosperms are the most advanced group of plants characterized by the presence of flowers, seeds enclosed within a fruit, and true roots, stems, and leaves. They are the primary focus of the chapter on sexual reproduction in flowering plants.

Explain the origin of a flower from a plant's vegetative parts.

Flowers originate from specialized modifications of leaves. A hormone called Florigen, produced in the leaves, travels to the Shoot Apical Meristem (SAM), causing it to transform into a Floral Meristem. This Floral Meristem then develops into floral buds, which mature into a complete flower.