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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. |
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संबंधित प्रश्न
Where is apical meristem found?
What is a meristematic tissue?
How is meristematic tissue different from permanent tissues?
What is the function of meristematic tissue?
Fill in the blank by selecting suitable words from the list given below:
Conducting tissue is also called .............. tissue.
Name one place in living organisms where the following tissue is located:
Meristematic tissue
List the tissues found in the human heart.
Write the information related to the diagram given below.
A person met with an accident in which two long bones of hand were dislocated. Which among the following may be the possible reason?
Define the process of differentiation
A meristematic tissue consists of ______.
______ is derived from the ground meristem.
The word meristem is derived from the Greek word ______.
The meristem found at the base of internodes is called ______.
Draw a shoot apex and label the meristem’s parts.
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.
The lawn grass (Cynodon dactylon) needs to be mowed frequently to prevent its overgrowth. Which tissue is responsible for its rapid growth?
