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Mindmap: Sexual Reproduction in Flowering Plants - Biology Class 12 - NEET

Mindmap: Sexual Reproduction in Flowering Plants | Biology Class 12 - NEET

The document Mindmap: Sexual Reproduction in Flowering Plants | Biology Class 12 - NEET is a part of the NEET Course Biology Class 12.
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FAQs on Mindmap: Sexual Reproduction in Flowering Plants - Biology Class 12 - NEET

1. What is sexual reproduction in flowering plants?
Ans. Sexual reproduction in flowering plants is a process where two parent plants contribute genetic material to produce offspring. It involves the fusion of male and female reproductive cells (pollen and ovule) to form a zygote. This zygote develops into a seed, which eventually grows into a new plant.
2. How do flowering plants reproduce sexually?
Ans. Flowering plants reproduce sexually through a process called pollination. Pollination can occur through various methods, including self-pollination (where pollen is transferred from the anther to the stigma of the same flower) or cross-pollination (where pollen is transferred between different flowers of the same or different plants). Once pollination occurs, the pollen tube grows and delivers the male gametes to the ovule, resulting in fertilization.
3. What are the advantages of sexual reproduction in flowering plants?
Ans. Sexual reproduction in flowering plants offers several advantages. It increases genetic diversity, allowing for adaptation to changing environments and better resistance to diseases. It also promotes the exchange of genetic material between different individuals, leading to the creation of unique combinations of traits. This genetic variability enhances the chances of survival and successful reproduction in the offspring.
4. How are flowers involved in sexual reproduction in flowering plants?
Ans. Flowers play a crucial role in sexual reproduction in flowering plants. They are the reproductive structures of angiosperms and contain both male (stamen) and female (pistil) reproductive organs. The stamen produces pollen grains, which contain the male gametes, while the pistil consists of the stigma, style, and ovary. The stigma receives the pollen grains, and the ovary contains the ovules where fertilization takes place.
5. What is the significance of pollinators in sexual reproduction of flowering plants?
Ans. Pollinators, such as bees, butterflies, birds, and bats, play a vital role in the sexual reproduction of flowering plants. They transfer pollen from the anther to the stigma, facilitating pollination and fertilization. This relationship benefits both the plants and pollinators. The plants receive assistance in reproduction, while the pollinators obtain nectar or pollen as a food source. This mutualistic relationship ensures the continued survival and diversity of flowering plants.
161 videos|412 docs|241 tests
161 videos|412 docs|241 tests
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