Sexual Reproduction in Flowering Plants Class Notes PDF

SUMMARY LECTURE ❑ Subject - Botany ❑ Chapter – Sexual Reproduction in Flowering Plants One Shot By: Vipin Sharma Sir  Sexual Reproduction in Flowering Plants...

SUMMARY LECTURE ❑ Subject - Botany ❑ Chapter – Sexual Reproduction in Flowering Plants One Shot By: Vipin Sharma Sir  Sexual Reproduction in Flowering Plants Pollen is nutrient rich and may cause allergies. 60% angiosperms: Pollen shed in 2-celled stage and in rest (40%) in 3 –celled Mitosis stage. Variable viability Wheat and Rice: 30 Called male mins gametophyte Rosaceae, Solanaceae, Leguminaceae: Months  Outbreeding Devices 1. Production of unisexual flowers 2. Non-synchrony 3. Position different 4. Self-incompatibility  Fruit (fertilised ovary) 1. True: Mango 2. False: Apple, Strawberry, Cashew 3. Parthenocarpic: Banana Apomixis Formation of seeds without fertilisation e.g., Asteraceae and grasses Polyembryony Formation of more than one embryo e.g., Citrus, Mango Seed (Fertilised ovule); have seed coats named testa (outer) and tegmen (inner) Albuminous Non-albuminous (non- (endospermic) endospermic) Usually monocots Mostly dicots except except castor (dicot) orchid (monocot) Wheat, maize Pea, groundnut