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Pollination and its kinds Video Lecture - NEET

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1. What is pollination?

Ans. Pollination is the process by which pollen grains from the male reproductive part of a flower, called the stamen, are transferred to the female reproductive part, known as the stigma, leading to fertilization and the formation of seeds.

2. What are the different types of pollination?

Ans. There are two main types of pollination: self-pollination and cross-pollination. Self-pollination occurs within the same flower or between flowers of the same plant, while cross-pollination involves the transfer of pollen between flowers of different plants of the same species.

3. How does self-pollination occur?

Ans. Self-pollination occurs when pollen grains from the stamen of a flower are transferred to the stigma of the same flower or another flower on the same plant. This can happen through various mechanisms such as wind, gravity, or by the assistance of insects.

4. What are the advantages of cross-pollination?

Ans. Cross-pollination allows for a greater genetic variation among offspring, leading to increased adaptability and resilience to changing environmental conditions. It also promotes outbreeding, which helps in avoiding inbreeding depression and improving overall plant health.

5. How do pollinators contribute to pollination?

Ans. Pollinators such as bees, butterflies, birds, and bats play a crucial role in pollination by transferring pollen grains from the stamen to the stigma of flowers. They are attracted to flowers by their colors, scents, and nectar, and as they move from flower to flower, they inadvertently carry pollen, facilitating the pollination process.

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Jan 10, 2025 Last updated

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