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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
State the location and function of different types of meristems.
Which living material would you take to demonstrate meristematic tissue?
Write one main function of Apical meristem.
Which one of the following pairs is correctly matched?
Name the kind of tissue found in the walls of the veins of the leaves.
Write one word for the following:
Cells least specialized in plants.
List the tissues found in the human heart.
Define the following:
Meristematic tissue
Aerenchyma is found in ______.
Meristematic tissues in plants are
Cartilage is not found in
If the tip of sugarcane plant is removed from the field, even then it keeps on growing in length. It is due to the presence of
Parenchyma cells are
Which structure protects the plant body against the invasion of parasites?
The word meristem is derived from the Greek word ______.
In apple, parenchyma stores ______.
The lawn grass (Cynodon dactylon) needs to be mowed frequently to prevent its overgrowth. Which tissue is responsible for its rapid growth?
