Sexual Reproduction in Flowering Plants

Categories: Botany-XII

About Course

Sexual reproduction in flowering plants involves the fusion of male and female gametes, leading to seed formation. It includes pollination, fertilization, and seed dispersal, ensuring genetic diversity and species survival.

Course Content

Sexual Reproduction in Flowering Plants

Pre-Fertilisation Structures & Events

Structure of Flower

Microsporogenesis

Gynoecium (Pistil)

Megasporogenesis

Pollination

Agents of Pollination

Outbreeding Devices

Pollen-pistil Interaction

Artificial hybridisation

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Sexual Reproduction in Flowering Plants

About Course

Course Content

Sexual Reproduction in Flowering Plants

Pre-Fertilisation Structures & Events

Structure of Flower

Structure of Flower

Androecium (whorl of Stamens)

Transverse section of an anther

Structure of microsporangium

Microsporogenesis

Microsporogenesis

Pollen grain (male gametophyte)

Pollen Grain Dispersal

Viability of pollen grains

Pollen Nutrition

Gynoecium (Pistil)

Gynoecium (Pistil)

Megasporangium (Ovule)

Megasporogenesis

Megasporogenesis

Female gametophyte (embryo sac)

Formation of the embryo sac

Distribution of the cells within the embryo sac

Pollination

Pollination

Agents of Pollination

Abiotic agents (wind) of pollination

Pollination by water (hydrophily)

Biotic agents (animals) of pollination

Features of insect-pollinated flowers

Outbreeding Devices

Outbreeding Devices

Pollen-pistil Interaction

Pollen-pistil Interaction

Artificial hybridisation

Artificial hybridisation

Artificial hybridisation