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प्रश्न
What part is played by the following in the uptake of water into the root hair?
The cell wall
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उत्तर
The cell wall separates the two solutions, cell sap and soil solution and is permeable, which means it allows water to enter the root hair cells by endosmosis.
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संबंधित प्रश्न
The process by which root hairs absorb water from the soil.
What are root hair? Mention the function performed by the root hair.
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 |
Draw a diagram of the root hair cell as it would appear when a concentrated solution of fertilizers is added near it.
Name the following:
The solution outside the cell having lower solute concentration than the fluids.
A thin strip of epidermal cells of a leaf was observed in a drop of water. They all looked turgid and normal.
(a) Draw a diagram of such a cell.
(b) Draw a diagram of a cell if this strip is transferred to a strong concentrated solution of sugar. What is term used for the effect on the cells ?
In soil which of the following type of water is available for absorption by plant roots?
Which of the following are the components of cell wall of root hair?
Why and how does water enter continuously into the root xylem?
Draw a neat and proportionate diagram of root hair and label mitochondria, nucleus and vacuole.
