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प्रश्न
Column ‘II’ is a list of items related to ideas in Column ‘I’. Match the term in Column ‘II’ with a suitable idea given in Column ‘I’.
| Column I | Column II |
| (i) Diffusion | (a) The exit or flow of water from the cell to the outer environment. |
| (ii) Xylem | (b) The shrinkage of protoplasm when the cell is kept in a hypertonic solution. |
| (iii) Root pressure | (c) The tissue through which water and mineral salts move upward in a plant. |
| (iv) Isotonic solution | (d) Two solutions which have equal osmotic pressure. |
| (v) Exosmosis | (e) The process by which the molecules of perfume spread in the room when the bottle is open. |
| (vi) Osmosis | (f) The process by which roots absorb water from the soil. |
| (vii) Plasmolysis | (g) The pressure by which water rises up to some feet in a lofty tree. |
| (viii) Hypotonic solution | (h) The concentration of the solution when lower than that of the cell sap. |
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उत्तर
| Column I | Column II |
| (i) Diffusion | (e) The process by which the molecules of perfume spread in the room when the bottle is open. |
| (ii) Xylem | (c) The tissue through which water and mineral salts move upward in a plant. |
| (iii) Root pressure | (g) The pressure by which water rises up to some feet in a lofty tree. |
| (iv) Isotonic solution | (d) Two solutions which have equal osmotic pressure. |
| (v) Exosmosis | (a) The exit or flow of water from the cell to the outer environment. |
| (vi) Osmosis | (f) The process by which roots absorb water from the soil. |
| (vii) Plasmolysis | (b) The shrinkage of protoplasm when the cell is kept in a hypertonic solution. |
| (viii) Hypotonic solution | (h) The concentration of the solution when lower than that of the cell sap. |
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संबंधित प्रश्न
The process by which root hairs absorb water from the soil.
Choose the correct answer:
Exudation or bleeding is associated with ___________
Study the experimental setup in the figure and then answer the question that follow.

What is meant by 'semipermeable membrane'?
Draw a diagram of the root hair cell as it would appear when a concentrated solution of fertilizers is added near it.
What is the composition of an outer layer of root hair?
____________plants like orchids absorb water vapours from air with the help of epiphytic roots having special tissue called velamen.
Identify the part of the plants which is responsible for maximum absorption of water.
Look at Figure. Draw another figure of the same set-up as would be observed after a few hours.

Give other name of epidermal cells in roots of plants.
Explain about the factors that affect water absorption.
