Question

Write a short note on mertistemic tissue?

Answer 1

Meristematic tissue is group of immature cells that has capacity of division and redivision.

The term meristem was coined by Nageli (1858). Meristemsin plants are found in apex of stem, root, leaf primordia, vascular cambium, cork cambium, etc.

Characteristics of Meristematic Tissue:

1. They are composed of immature cells.

2. Absence of intercellular spaces.

Functions of Meristematic Tissue:

1. Meristems are actively dividing tissues of the plant.

2. They are responsible for primary (elongation) and secondary (thickness) growth of the plant.

3. All new organs and their growth occur by the division of meristematic tissue.

Functions:

1. It acts as reservoir of cells.

2. It is more resistant to injury and irradiation.

3. If root growth is stopped or root tip is damaged then this zone restores the growth.

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