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प्रश्न
Give the structure and function of the following:
Collenchyma
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उत्तर
Collenchyma
Structure - It is a mechanical tissue cons1st1ng of living cells with usually no intercellular spaces. The cell wall is unevenly thickened and the walls are rich in hemicelluloses.
Function - Collenchyma provides mechanical support and elasticity to the plant body. Collenchyma may carry out photosynthesis if chloroplast is present.
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संबंधित प्रश्न
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Complete the following chart:
Draw a well labelled diagram of xylem.
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Identify the odd word and explain why it is odd.
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Study the diagram given below and then answer the question that follows:
Name the parts labelled 1, 2, 3 and 4.
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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 |
