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प्रश्न
What are the functions of xylem?
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उत्तर
Following are the functions of xylem:
1. The main function of xylem is to carry water and mineral salts upward from the root to different parts of shoots.
2. Since walls of tracheids, vessels and sclerenchyma of xylem are lignified, they give mechanical strength to the plant body.
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संबंधित प्रश्न
What is the role of epidermis in plants?
Draw a well labelled diagram of xylem.
What are different types of tissues in plants? Describe simple tissues.
Differentiate between cells of Meristematic tissue and Permanent tissue
Differentiate between cells of Sclerenchyma and Parenchyma
What is a permanent tissue?
The question has four answers. Choose the correct answer:
Hard lignified thick walled, long and pointed cells in a plant are
Why the cells of sclerenchyma and tracheids become dead?
Match the column (A) with the column (B)
| (A) | (B) | ||
| (a) | Parenchyma | (i) | Thin walled, packing cells |
| (b) | Photosynthesis | (ii) | Carbon fixation |
| (c) | Aerenchyma | (iii) | Localized thickenings |
| (d) | Collenchyma | (iv) | Buoyancy |
| (e) | Permanent tissue | (v) | Sclerenchyma |
In which of the following pairs of parts of a flowering plant is epidermis absent?
