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प्रश्न
Differentiate between meristematic and permanent tissues in plants
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उत्तर
| Meristematic tissue | Permanent tissue | |
| (i) | Cells of this tissue divide throughout their life. | Cells of this tissue lose the ability to divide to take up specific functions. |
| (ii) | Meristematic tissues are located at specific regions of the plant e.g. apical meristem is located in apices (tips) of roots and shoots, etc. | Permanent tissues are distributed throughout the plant body. |
| (iii) | Cells of this tissue are very active, have dense cytoplasm, thin walls, and prominent nuclei. They lack vacuoles. | Cells of this tissue are vacuolated, vary in shape and size. Their cell walls may be thin or thick. |
| (iv) | The cell wall of the cells is cellulosic. | Cells walls may be made up of cellulose or lignin or suberin. |
| (v) | Cells of this tissue are living. | Cells of this tissue may be living (parenchyma) or dead(sclerenchyma). |
| (vi) | Intercellular spaces are absent in cells. | Intercellular spaces may be present or absent. |
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संबंधित प्रश्न
Differentiate between parenchyma, collenchyma and sclerenchyma on the basis of their cell wall.
Draw a well labelled diagram of parenchyma and collenchyma.
What are the functions of xylem?
What are different types of tissues in plants? Describe simple tissues.
What do you know about complex tissue? Classify and explain its different types in plants with suitable diagrams.
Give the structure and function of the following:
Sclerenchyma
Give the structure and function of the following:
Crystal
Name the tissue associated with the following:
Movement of food in the plant body
Write 'True or False' for the following statement:
A vascular bundle conducts prepared food only.
Cells of this tissue are living and show angular wall thickening. They also provide mechanical support. The tissue is ______.
