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प्रश्न
Differentiate between the following:
Plasmolysis and Deplasmolysis.
Differentiate between Plasmolysis and Deplasmolysis.
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उत्तर
| Sr. No. | Plasmolysis | Deplasmolysis |
| 1. | In this, the protoplasm of the cell shrinks away from the cell wall. It results in the flaccid condition of the cells and the plant. | In this, the protoplasm of the cell swells up and touches the cell wall. It results in the turgid condition of the cells and the plant. |
| 2. | It is caused by exosmosis. | It is caused by endosmosis. |
| 3. | It occurs when a plant cell is placed in a hypertonic solution. | It takes place when a plasmolysed cell is kept in a hypotonic solution. |
| 4. | It results in the flaccid condition of the plant. | It results in the turgid condition of the plant. |
APPEARS IN
संबंधित प्रश्न
The diagram given below represents a plant cell after being placed in a strong sugar solution. Study the diagram and answer the questions that follow:
- What is the state of the cell shown in the diagram?
- Name the structure that acts as a selectively permeable membrane.
- Label the parts numbered 1 to 4 in the diagram.
- How can the above cell be brought back to its original condition? Mention the scientific term for the recovery of the cell.
- State any two features of the above plant cell which is not present in animal cells.
The diagram below represents a process in plants. The setup was placed in bright sunlight. Answer the following questions:
a) Name the physiological process depicted in the diagram.
Why was oil added to the water?
b) When placed in bright sunlight for four hours, what do you observe with regard to the initial and final weight of the plant? Give a suitable reason for your answer
c) What happens to the level of water when this setup is placed in:
- Humid conditions?
- Windy conditions?
d) Mention any three adaptations found in plants to overcome the process mentioned in (i).
e) Explain the term ‘Guttation’.
Give the equivalent terms for the following:
Loss of water through a cut stem.
Give Technical Term for the following.
A cell in a fully extended condition.
Name the following:
The condition in which the contents of a cell exert pressure against the cell wall making it distended.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Flaccidity is the reverse of turgidity.
Fill in the Blank
The condition opposite to turgid is ___________.
When the cells of a plant are fully distended, the condition is called ______.
Give the equivalent term for the following:
Pressure exerted by the cell contents on the cell wall.
