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प्रश्न
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उत्तर
| Endosmosis | Exosmosis |
| 1. The process of diffusion of water into the cell from outside is called endosmosis | 1. The diffusion of water from inside to outside of a cell is called exosmosis. |
| 2. It occurs when the cell is placed in a hypotonic solution . | 2. It occurs when the cell is placed in a hypertonic solution. |
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संबंधित प्रश्न
Movement of molecules of a substance from the region of their higher concentration to the region of their lower concentration without the involvement a separating membrane, is called
The space between the cell wall and plasma membrane in a plasmolysed cell is filled with ______.
When placed in a more concentrated solution, the cell contents will ______.
Give reason for the following:
Potato cubes, when placed in water, become firm and increase in size.
Leaves of the sensitive plant wilt and droop down on a slight touch. What mechanism brings about this change?
Explain why:
The leaves of wilted lettuce, if kept in cold water, become crisp.
What do you mean by transpiration pull ?
The diagram below represents an experimental set up to demonstrate a vital process. Study the same and then answer the questions that follow:
(i) Name the process.
(ii) Define the above named process.
(iii) What would you observe in the experimental setup after an hour or so?
(iv) What control experiment can be set up for the above experiment?
(v) Keeping in mind the root hair cell and its surrounding name the part that corresponds to (1) Concentrated sugar solution, (2) Parchment paper, (3) Water in the beaker.
(vi) Name any other substance that can be used instead of parchment paper in the above experiment.
(vii) Mention two advantages of this process to the plant.
Name the following:
Name the process by which water enters the root hair cell.
