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प्रश्न
What is the differences between collenchyma and sclerenchyma?
उत्तर
| Collenchyma | Sclerenchyma |
| 1. It consists of living cells. | 1. It consists of dead cells. |
| 2. Its cells contain cytoplasm. | 2. Its cells are empty. |
| 3. Its cell walls are cellulosic. | 3. Its cell walls are lignified. |
| 4. The thickening of cell wall is not uniform | 4. Cell wall thickening is uniform |
| 5. Lumen of the cell is wide. | 5. Lumen of the cell is narrow. |
| 6. It provides mechanical support and elasticity to the plant body. | 6. It is chiefly mechanical tissue. |
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| (A) | (B) | ||
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| (e) | Permanent tissue | (v) | Sclerenchyma |
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