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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
Which living material would you take to demonstrate 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
......................... tissue is situated at the tip of root and stem.
Write the name of the following tissue.
Tissue is responsible for increasing the girth of the stem.
Define the following:
Meristematic tissue
Name the tissues found:
at the tip of a growing stem
The fibres consists of ______.
Parenchyma, collenchyma, Sclerenchyma are______ type of tissue.
State whether true or false. If false, correct the statement.
Vessels are found in collenchyma.
What are intercalary meristems? How do they differ from other meristems?
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.
Find out incorrect sentence
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
Define the process of differentiation
The word meristem is derived from the Greek word ______.
Draw a shoot apex and label the meristem’s parts.
Bamboo, grass and mint stem elongate by the activity of
Vascular cambium is a ______.
