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The Parts of a Flower Video Lecture - NEET
FAQs on The Parts of a Flower Video Lecture - NEET
| 1. What are the different parts of a flower? |  |
Ans. The different parts of a flower include the petals, sepals, stamens, and pistils. Petals are the colorful and often scented part of the flower that attracts pollinators. Sepals are the outermost part of the flower that protects the developing bud. Stamens are the male reproductive organs that consist of a filament and an anther, which produces pollen. Pistils are the female reproductive organs that consist of the stigma, style, and ovary.
| 2. What is the function of the petals in a flower? | |
Ans. The function of petals in a flower is to attract pollinators such as insects, birds, or bats. Petals are often brightly colored and have patterns or markings that guide pollinators towards the reproductive parts of the flower. They may also produce fragrances to further attract pollinators. By attracting pollinators, petals play a crucial role in the process of pollination and eventual fertilization of the flower.
| 3. How do stamens contribute to the reproduction of a flower? | |
Ans. Stamens are the male reproductive organs of a flower. They consist of a filament, which holds up the anther. The anther is responsible for producing pollen grains, which contain the male gametes. When a pollinator, such as a bee, lands on the flower, the pollen sticks to its body. The bee then transfers the pollen to the stigma of another flower, allowing for pollination to occur. This transfer of pollen from the anther to the stigma is crucial for the fertilization of the flower.
| 4. What is the role of the pistil in a flower? | |
Ans. The pistil is the female reproductive organ of a flower. It consists of three parts: the stigma, style, and ovary. The stigma is the sticky surface at the top of the pistil, which receives pollen grains during pollination. The style is a long tube-like structure that connects the stigma to the ovary. The ovary contains ovules, which are the female gametes. After pollination, the pollen grain travels down the style and fertilizes the ovules, leading to the formation of seeds and fruits.
| 5. How do sepals protect the developing bud of a flower? | |
Ans. Sepals are the outermost part of a flower and are usually green in color. Their main function is to protect the developing bud before it blooms. Sepals enclose the bud and provide a protective layer, shielding it from physical damage, extremes of temperature, and potential predators. As the bud matures, the sepals may either remain intact or open up to reveal the petals inside. Once the flower has fully bloomed, the sepals may wither and fall off or persist to support the petals.
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Nov 24, 2024 Last updated |
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