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Question
Differentiate between the following:
Plasmolysis and deplasmolysis
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Solution
| Plasmolysis | Deplasmolysis | ||
| 1 | It refers to the shrinkage of the cytoplasm and withdrawal of the plasma membrane from the cell wall caused due to the withdrawal of water when placed in a hypertonic solution. | 1 | Deplasmolysis is the recovery of a plasmolysed cell when it is placed in water, wherein the cell's protoplasm again swells up due to the re-entry of water. |
| 2 | In Plasmolysis, the cell becomes flaccid. | 2 | In deplasmolysis, the cell becomes turgid. |
RELATED QUESTIONS
Osmosis and diffusion are the same except that osmosis there is:
The space between the cell wall and plasma membrane in a plasmolysed cell is filled with ______.
Name the following:
The condition of a cell placed in a hypotonic solution.
Name the following:
Condition of cell in which the cell contents are shrunken.
Name the following:
The inward movement of solvent molecules through the plasma membrane of the cell.
Choose the correct answer:
Osmosis involves diffusion of ___________
A leaf cell of a water plant was placed in a liquid other than pond water. After sometime, it assumed a shape as shown below:
Redraw in the space provided, the diagram of the cell if it is soon placed in ordinary water for some time.
Give Reasons for the following.
The raisins swell up in the water.
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.
Explain the Term: Exosmosis
