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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
What is a meristematic tissue?
Fill in the blank by selecting suitable words from the list given below:
Conducting tissue is also called .............. tissue.
Answer in detail.
Which tissue is responsible for the increase in the height of a plant? Where is it locate?
Write the name of the following tissue.
Tissue is responsible for increasing the girth of the stem.
Which one of the following pairs is correctly matched?
Where is the least specialized tissue located in plants?
List the tissues found in the human heart.
The fibres consists of ______.
Read the following sentences and identify the correctly matched sentences.
- In exarch condition, the protoxylem lies outside of metaxylem.
- In endarch condition, the protoxylem lie towords the centre.
- In centarch condition, metaxylem lies in the middle of the protoxylem.
- In mesarch condition, protoxylem lies in the middle of the metaxylem.
A person met with an accident in which two long bones of hand were dislocated. Which among the following may be the possible reason?
Meristematic tissues in plants are
The word meristem is derived from the Greek word ______.
The meristem found at the base of internodes is called ______.
In apple, parenchyma stores ______.
What is plate meristem?
Draw a shoot apex and label the meristem’s parts.
How many shoot apical meristems are likely to be present in a twig of a plant possessing, 4 branches and 26 leaves?
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.
Vascular cambium is a ______.
