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प्रश्न
Write a short note.
Meristematic tissue
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उत्तर
Meristematic tissue is present in specific parts of a plant, growth occurs in those parts only. Cells of meristematic tissue contain thick cytoplasm, a conspicuous nucleus and a thin cell wall and are compactly packed together. Vacuoles are usually absent in these cells. These cells are highly active. To bring about plant growth is the main function of meristematic tissue. According to the location, meristematic tissue is of three types as given below.
| Figure | Location | Function |
 |
Apical meristem: At the tip of the root and stem | Increases the length of the root and stem. |
| Intercalary meristem: At the base of the petiole of leaves and of branches. | Growth of branches, formation of leaves and flowers. | |
| Lateral meristem: Lateral sides of root and stem | Increases girth (diameter) of the root and stem. |
APPEARS IN
संबंधित प्रश्न
State the location and function of different types of meristems.
How is meristematic tissue different from permanent tissues?
What is the function of meristematic tissue?
State whether the following statement is True or False.
Meristematic tissue is found at the growing tips of a plant.
Fill in the blank by selecting suitable words from the list given below:
Conducting tissue is also called .............. tissue.
Name the kind of tissue found at the tip of plant roots.
Write one word for the following:
Cells least specialized in plants.
Name the tissues found:
at the tip of a growing stem
The tissue composed of living thin walled polyhedral cell is ______.
State whether true or false. If false, correct the statement.
Vessels are found in collenchyma.
Find out incorrect sentence
Meristematic tissues in plants are
Parenchyma cells are
Define the process of differentiation
How many shoot apical meristems are likely to be present in a twig of a plant possessing, 4 branches and 26 leaves?
Bamboo, grass and mint stem elongate by the activity of
Match List - I with List - II.
| List - I | List - II | ||
| (a) | Cells with active cell division capacity |
(i) | Vascular tissues |
| (b) | Tissue having all cells similar in structure and function |
(ii) | Meristematic tissue |
| (c) | Tissue having different types of cells |
(iii) | Sclereids |
| (d) | Dead cells with highly thickened walls and narrow lumen |
(iv) | Simple tissue |
Select the correct answer from the options given below.
Which one of the following cell types always divides by anticlinal cell division?
