Advertisements
Advertisements
प्रश्न
Differentiate between parenchyma, collenchyma and sclerenchyma on the basis of their cell wall.
Advertisements
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. |
APPEARS IN
संबंधित प्रश्न
Which tissue makes up the husk of coconut?
What are the functions of phloem?
Differentiate between cells of Parenchyma and Collenchyma.
Study the diagram given below and then answer the question that follows:
Where is this tissue likely to be found in the plant?
Define the following:
Permanent tissue
The question has four answers. Choose the correct answer:
A component of xylem is
What are sieve tubes? Explain.
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 |
Name any two simple and two complex permanent tissues in plants.
Differentiate fibers from sclereids.
