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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?
Answer in detail.
Which tissue is responsible for the increase in the height of a plant? Where is it locate?
Write one main function of
(a) Apical meristem
(b) Lateral meristem
Write one word for the following:
Cells least specialized in plants.
Name one place in living organisms where the following tissue is located:
Meristematic tissue
Define the following:
Meristematic tissue
The fibres consists of ______.
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
Girth of stem increases due to
Which cell does not have perforated cell wall?
Parenchyma cells are
______ is derived from the ground meristem.
The word meristem is derived from the Greek word ______.
Cork cambium is an example of ______ meristem.
What is plate meristem?
Draw a shoot apex and label the meristem’s parts.
Vascular cambium is a ______.
