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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.
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उत्तर
- Plasmolysed cell
- Cell membrane acts as a selectively permeable membrane.
- 1 – Cell wall, 2 – Space filled with strong sugar solution, 3 – Plasma membrane, 4 – Nucleus
- If the cell is placed in a hypotonic sugar solution, the cell will be brought to its original condition. This is called deplasmolysis.
- Features present in the plant cell which are not present in the animal cell:
- Presence of cell wall.
- Ability to shrink the protoplasm and plasmolyse.
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संबंधित प्रश्न
Give scientific reasons : Balsam plants wilt during mid-day even if the soil is well watered.
The state of a cell in which the cell wall is rigid and stretched by the increase in volume due to the absorption of water is called.
Give the equivalent terms for the following:
Loss of water through a cut stem.
Differentiate between the following:
Turgidity and Flaccidity
Differentiate between:
Turgid and Flaccid.
Differentiate between the following:
Plasmolysis and Deplasmolysis.
Give Technical Term for the following.
The pressure exerted by cell contents on a plant cell wall.
Name the following:
The condition in which the contents of a cell exert pressure against the cell wall making it distended.
Fill in the Blank
The condition opposite to turgid is ___________.
Addition of salt to pickles is a method of killing the bacteria by ______.
