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प्रश्न
What part is played by the cell wall?
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उत्तर
Cell wall separates the two solutions - cell sap and soil solution and is permeable which means it allows the water to enter inside the root hair cells by endosmosis.
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संबंधित प्रश्न
The process by which root hairs absorb water from the soil.
Match the items in column I with those in column II
| Column I | Column II | ||
| (a) | Xylem | (i) | semi - permeable |
| (b) | Phloem | (ii) | permeable |
| (c) | Cell membrane | (iii) | downward flow of sap |
| (d) | Root pressure | (iv) | upward flow of water |
| (e) | Cell wall | (v) | guttation |
What part is played by The cytoplasm in the uptake of water into the root hair?
The apparatus arranged alongside signifies an important process.
(i) Name the process.
(ii) Where does this process occur in plants?
(iii) What solution is placed inside the dialysis tubing?
(iv) What happens to the level of the solution in the capillary tube?
The alongside diagram A shows a root hair growing through the soil particles. Diagram B is the root hair of an aquatic plant.
(i) Name the parts 1,2,3.
(ii) Name two substances which enter the root hair. What are their uses?
(iii) By what process do these substances enter the root hair?
(iv) Account for the different shapes of root hairs in the two diagrams.
Define: Root hair
Which part of the root helps in the maximum absorption of water and minerals?
Identify labels x, y, z in the given figure of root showing different regions.
Epiphytic plants like orchids absorb water vapours from air with the help of ______ having special tissue called velamen.
Which plant does tissue transport water and minerals from the roots to the leaf?
