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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
Write a short note on sclerenchyma.
Explain how sieve tubes manage to be living?
What is simple tissue? Classify and explain its different types with suitable diagram.
Identify the odd word and explain why it is odd.
Name one place in a living organism where the following tissues are located:
Sclerenchyma
Study the diagram given below and then answer the question that follows:
Name the parts labelled 1, 2, 3 and 4.
Give the structure and function of the following:
Collenchyma
Give the structure and function of the following:
Phloem
Write 'True or False' for the following statement:
A vascular bundle conducts prepared food only.
Write 'True or False' for the following statement:
A tracheid is longer than a vessel.
