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प्रश्न
How roots can act as a water absorbing organ?
उत्तर
- A typical root of a terrestrial plant shows the presence of four regions viz. region of cell division, region of cell elongation, region of absorption, and region of maturation.
- The region of absorption is responsible for the absorption of water due to the presence of root hairs. Root hair is the cytoplasmic extension (prolongation) of epiblema cells.
- The water held in pores present between the neighboring soil particles, due to capillarity (capillary water) is available for absorption.
संबंधित प्रश्न
The diagram given below represents an experimental set – up to demonstrate a certain process. Study the same and answer the questions that follow:
Keeping in mind the root- hair, cell and its surroundings, name the parts that correspond to
(1) concentrated sugar solution
(2) parchment paper and
(3) water in the beaker.
The diagram given below represents an experimental set – up to demonstrate a certain process. Study the same and answer the questions that follow:
Mention two advantages of the process to the plants.
Name the following:
The membrane which allows water molecules to pass through, but not sugar molecules.
Fill in the Blank
______ serves as a medium for the transport of inorganic salts and food molecules in the plant.
Fill in the Blank
Water and mineral salts absorbed by root is known as ______.
Answer the following question.
Define and or explain the term:
DPD
Answer the following question.
Define and or explain the term:
Wall pressure
Distinguish between Diffusion and Osmosis.
Cell wall is _______.
Aquaporins (water channels) are involved in ______ type of transport.
