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प्रश्न
What are the functions of phloem?
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उत्तर
Following are the functions of phloem:
(i) It is the chief tissue that conducts photosynthetically prepared food materials from the leaves to the storage organs and later from storage organs to the growing regions of the plant body.
(ii) Phloem fibres or bast fibres of some plants such as jute, hemp, and flax have commercial or economic value.
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संबंधित प्रश्न
How are simple tissues different from complex tissues in plants?
Draw a well labelled diagram of xylem.
Write a short note on sclerenchyma.
Distinguish between tracheids and vessels.
Write the functions of parenchyma.
Study the diagram given below and then answer the question that follows:
Name the parts labelled 1, 2, 3 and 4.
Give the structure and function of the following:
Sclerenchyma
Give the structure and function of the following:
Crystal
The question has four answers. Choose the correct answer:
Hard lignified thick walled, long and pointed cells in a plant are
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 |
