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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
What are the functions of the stomata?
Why are xylem and phloem called complex tissues?
Draw a well labelled diagram of xylem.
What do you know about complex tissue? Classify and explain its different types in plants with suitable diagrams.
What is a permanent tissue?
Write 'True or False' for the following statement:
A vascular bundle conducts prepared food only.
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 |
Differentiate between meristematic and permanent tissues in plants
Fibers are extensively longer ranging from 20 mm to 550 mm ______.
Match the followings and choose the correct option from below
| Column I | Column II |
| A. Meristem | i. Photosynthesis, storage |
| B. Parenchyma | ii. Mechanical support |
| C. Collenchyma | iii. Actively dividing cells |
| D. Sclerenchyma | iv. Stomata |
| E. Epidermal tissue | v. Sclereids |
