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प्रश्न
Study the diagram given below and then answer the question that follows:
State the function of the parts labelled 1, 2, 3 and 4.
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उत्तर
1 → Sieve cells: Help in the transport of food from leaves to storage organs and other parts of the plant.
2 → Phloem parenchyma cells: Storage of starch, fat and other organic food material.
3 → Companion cells: Help in the functioning of the sieve tube cells.
4 → Sieve plate: Perforations in the sieve plates allow water and dissolved organic solutes to flow along the sieve tube.
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संबंधित प्रश्न
How are simple tissues different from complex tissues in plants?
What are the functions of the stomata?
Name the tissue that transports food in plants.
Draw a well labelled diagram of phloem.
What is the differences between collenchyma and sclerenchyma?
Parenchyma containing chloroplasts is known as :
Give the structure and function of the following:
Collenchyma
Write 'True or False' for the following statement:
Sclerenchyma cells have intercellular spaces.
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?
