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प्रश्न
What is the differences between collenchyma and sclerenchyma?
फरक स्पष्ट करा
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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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संबंधित प्रश्न
Draw a well labelled diagram of parenchyma and collenchyma.
Write a short note on sclerenchyma.
Parenchyma containing chloroplasts is known as :
Study the diagram given below and then answer the question that follows:
Where is this tissue likely to be found in the plant?
Differentiate between:
Collenchyma and Sclerenchyma
Write 'True or False' for the following statement:
A vascular bundle conducts prepared food only.
The question has four answers. Choose the correct answer:
Hard lignified thick walled, long and pointed cells in a plant are
Why the cells of sclerenchyma and tracheids become dead?
Explain sclereids with their types.
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 |
