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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
What is a meristematic tissue?
How is meristematic tissue different from permanent tissues?
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.
Answer in detail.
Which tissue is responsible for the increase in the height of a plant? Where is it locate?
What are meristematic tissues? Explain with the help of suitable diagram. Give their classification on the basis of their position in the plant body.
Name the kind of tissue found at the tip of plant roots.
List the tissues found in the human heart.
Name the tissues found:
at the tip of a growing stem
Refer to the given figure and select the correct statement.
- A, B, and C are histogen of shoot apex
- A Gives rise to medullary rays.
- B Gives rise to cortex
- C Gives rise to epidermis.
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?
Cartilage is not found in
Which structure protects the plant body against the invasion of parasites?
______ is derived from the ground 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?
Which one of the following cell types always divides by anticlinal cell division?
The lawn grass (Cynodon dactylon) needs to be mowed frequently to prevent its overgrowth. Which tissue is responsible for its rapid growth?
