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प्रश्न
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 ?
उत्तर
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संबंधित प्रश्न
Choose the correct answer:
Meaning of ascent of sap is ____________
Name the following:
Water is absorbed from the soil by which part.
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. |
Multiple Choice Question:
In soil, water available for absorption by root is ______.
Multiple Choice Question:
The most widely accepted theory for ascent of sap is ______.
Root hair is ________ extension of epiblema cells.
Minerals cannot be passively absorbed by the roots.
Identify the part of the plants which is responsible for maximum absorption of water.
The tubular, colorless delicate prolongations of epidennal cells are seen in which region of root in plants?
Explain about the factors that affect water absorption.
