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Epidermal Appendages: Root Hairs Video Lecture | Capsule course of Botany for NEET

226 videos|299 docs|321 tests

FAQs on Epidermal Appendages: Root Hairs Video Lecture - Capsule course of Botany for NEET

1. What are root hairs and what is their function?
Ans. Root hairs are small, finger-like extensions of root epidermal cells. Their function is to increase the surface area of the root, allowing for better absorption of water and nutrients from the soil.
2. How are root hairs different from other epidermal appendages?
Ans. Root hairs are distinct from other epidermal appendages such as trichomes or glandular hairs. While trichomes and glandular hairs serve various protective functions, root hairs are primarily involved in nutrient absorption.
3. How do root hairs form and where are they located?
Ans. Root hairs form as outgrowths of individual epidermal cells in the root. They are located near the tips of young roots, extending into the soil and increasing the root's absorptive capacity.
4. Can root hairs regenerate if they are damaged or lost?
Ans. Yes, root hairs have the ability to regenerate if they are damaged or lost. New root hairs can develop from the epidermal cells near the damaged area to replace the lost ones.
5. Do all plants have root hairs?
Ans. No, not all plants have root hairs. However, root hairs are common in most vascular plants, assisting in the efficient absorption of water and nutrients. Some plants, such as aquatic plants or plants with specialized root structures like air roots, may have reduced or absent root hairs.
226 videos|299 docs|321 tests

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