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Aerial Stem: Tendril & Thorns Video Lecture - NEET
FAQs on Aerial Stem: Tendril & Thorns Video Lecture - NEET
| 1. What is the purpose of aerial stems in plants? |  |
Ans. Aerial stems in plants serve multiple purposes. They provide support for the plant, allowing it to grow vertically and reach sunlight. Aerial stems also house the plant's leaves, flowers, and fruits, enabling them to be exposed to the surrounding environment for various functions such as photosynthesis and reproduction.
| 2. What are tendrils and how do they aid in plant growth? | |
Ans. Tendrils are specialized structures that plants, especially climbing plants, develop to help them attach to and climb on nearby objects. These slender, elongated structures are sensitive to touch and can coil around objects, providing support and stability to the plant. Tendrils aid in plant growth by allowing the plant to reach higher elevations, access more sunlight, and increase the chances of pollination and seed dispersal.
| 3. Why do some aerial stems have thorns? | |
Ans. Thorns on aerial stems serve as a defense mechanism for plants. They act as deterrents against herbivores and protect the plant from being grazed upon or damaged. Thorns can discourage animals from feeding on the plant, thus increasing its chances of survival. Additionally, thorns can also provide structural support to the aerial stem, especially in plants with weak or delicate stems.
| 4. How do plants with aerial stems and thorns reproduce? | |
Ans. Plants with aerial stems and thorns typically reproduce through various methods, including both sexual and asexual reproduction. Sexual reproduction involves the production of flowers, which attract pollinators and facilitate the transfer of pollen between plants. Asexual reproduction can occur through vegetative propagation, where new plants develop from specialized structures such as runners or suckers that emerge from the aerial stems.
| 5. Can aerial stems with tendrils and thorns be found in all plant species? | |
Ans. No, aerial stems with tendrils and thorns are not present in all plant species. These specialized structures are more commonly found in climbing plants or plants with a vining habit. Examples of plants with tendrils include grapes, peas, and passionflowers. Thorns, on the other hand, are found in various plant families, such as roses, blackberries, and cacti. However, it is important to note that not all plants within these families possess thorns.
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Nov 22, 2024 Last updated |
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