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प्रश्न
Write a note on the morphological structure of the root.
उत्तर
A typical root of terrestrial plants has four regions from the apex to the base of the root. These are:
- Region of cell division: This is a meristematic region which lies at the tip of the root, where the division of cell occurs.
- Region of cell elongation: Cells of this region undergo elongation, as a result, the length of the root increases.
- Region of absorption: This is the region for water absorption and bears root hairs. Root hairs absorb water and mineral salts from the soil. iv. Region of maturation: Cells of this region undergo maturation and form different types of tissues.
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संबंधित प्रश्न
Give reason for the following:
If you uproot a plant from the soil, its leaves soon wilt.
What would happen to the root hair of a potted plant if the soil was watered with an extremely concentrated solution of sodium chloride?
How is root hair structurally adapted for absorption of water from the soil?
Grapes shrink when immersed in a very strong sugar solution.” Explain.
Draw a cross-section of root showing association of soil particles with root hairs.
Name the following:
Water is absorbed from the soil by which part.
Give Technical Term for the following.
Tissue which transports manufactured food from leaves to other parts of the plant.
Multiple Choice Question:
Water will be absorbed by the root hairs when:
Which part of the root helps in the maximum absorption of water and minerals?
