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Sexual Reproduction in Flowering Plants Video Lecture | Science Class 10

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FAQs on Sexual Reproduction in Flowering Plants Video Lecture - Science Class 10

1. What is sexual reproduction in flowering plants?
Ans. Sexual reproduction in flowering plants is the process by which plants produce offspring through the fusion of male and female gametes. It involves the transfer of pollen from the male reproductive organ (stamen) to the female reproductive organ (pistil) of the same or different flowers.
2. What are the different parts of a flower involved in sexual reproduction?
Ans. The different parts of a flower involved in sexual reproduction are the stamen and the pistil. The stamen is the male reproductive organ and consists of anther (produces pollen grains) and filament (supports the anther). The pistil is the female reproductive organ and consists of stigma (receives pollen grains), style (connects stigma to ovary), and ovary (contains ovules).
3. How does pollination occur in flowering plants?
Ans. Pollination in flowering plants occurs when pollen grains from the anther of a flower are transferred to the stigma of the same or a different flower. It can occur through various agents like wind, water, insects, birds, or other animals. The transfer of pollen is crucial for successful fertilization and seed formation.
4. What happens after pollination in flowering plants?
Ans. After pollination in flowering plants, the pollen grain germinates on the stigma and develops a pollen tube. This pollen tube grows down through the style and reaches the ovary. It then enters the ovule and reaches the female gamete (ovum) for fertilization. Fertilization leads to the formation of a zygote, which develops into an embryo within the ovule.
5. What is the significance of sexual reproduction in flowering plants?
Ans. Sexual reproduction in flowering plants leads to genetic diversity and variation among offspring. This allows plants to adapt to different environmental conditions and increases their chances of survival. It also promotes cross-pollination, which aids in the transfer of beneficial traits and ensures the exchange of genetic material among different individuals of the same species.
105 videos|477 docs|112 tests

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