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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. |
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
Concentration of mineral nutrient elements is higher inside the root hairs than in the surrounding soil. How do roots take them in from the soil?
How is root hair adapted for the absorption of water from the soil?
Choose the correct answer:
Which one is semi-permeable?
The below figure shows a root hair:
(i) Label the parts 1 to 4.
(ii) What is the role of part 4?
(iii) Why is the root hair one-celled?
(iv) What will happen to the root hair if some fertilizer is added to the soil near the root hair?
Give Technical Term for the following.
Phenomenon of absorption of water by surface attraction.
Multiple Choice Question:
Water will be absorbed by the root hairs when:
____________ regions are present in a typical root.
They are pipe-like, consisting of a group of specialised cells. They transport substances and form two-way traffic in plants. Which of the following terms qualify for the features mentioned above?
Root hair is a cytoplasmic extension of ______.
Give other name of epidermal cells in roots of plants.