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प्रश्न
Differentiate between parenchyma, collenchyma and sclerenchyma on the basis of their cell wall.
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उत्तर
| Parenchyma | Collenchyma | Sclerenchyma | |
| 1. |
Cell walls are relatively thin, and the cells in parenchyma tissues are loosely packed. |
The cell wall is irregularly thickened at the corners, and there is very little space between the cells. |
The cell walls are uniformly thickened, and there are no intercellular spaces. |
| 2. | The cell wall in this tissue is made up of cellulose. | Pectin and hemicellulose are the major constituents of the cell wall. | An additional layer of the cell wall, composed mainly of lignin, is found. |
| 3. | It performs the function of food storage. | It provides flexibility. | It provides strength. |
संबंधित प्रश्न
Identify the type of tissue in the vascular bundle.
Complete the following chart:
Write the functions of parenchyma.
What do you know about complex tissue? Classify and explain its different types in plants with suitable diagrams.
Identify the odd word and explain why it is odd.
Differentiate between cells of Sclerenchyma and Parenchyma
Study the diagram given below and then answer the question that follows:
Name the parts labelled 1, 2, 3 and 4.
A permanent tissue is of how many types?
Choose the correct option.
Collenchyma is a type of ______ tissue.
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 |
