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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.
APPEARS IN
संबंधित प्रश्न
A plant cell may burst when :
Explain Turgor pressure
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.
What is the difference between ‘flaccid’ and ‘turgid’? Give one example of flaccid condition in plants.
Differentiate between the following
Turgor pressure and Root pressure
The below diagram represents a plant cell after being placed in a strong sugar solution. Guidelines 1 to 5 indicate the following:
1. Cell wall
2. Plasma membrane.
3. Protoplasm
4. Large vacuole
5. Nucleus
Study the diagram and answer the questions that follow :
(i) What is the state of the cell shown in the diagram?
(ii) Name the structure which acts as a selectively permeable membrane.
(iii) If the cell had been placed in distilled water instead of a strong sugar solution which features: would not have been present?
(iv) If the cell in the diagram possessed chloroplasts where would these be present?
(v) Name any one feature of this plant cell which is not present in animal cells.
Multiple Choice Question:
When cell is fully turgid, which of the following will be zero?
When the cells of a plant are fully distended, the condition is called ______.
Addition of salt to pickles is a method of killing the bacteria by ______.
Give the equivalent term for the following:
Pressure exerted by the cell contents on the cell wall.
