Advertisements
Advertisements
प्रश्न
Give the equivalent term for the following:
Pressure exerted by the cell contents on the cell wall.
उत्तर
Turgor Pressure
संबंधित प्रश्न
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.
Give reasons for the following:
If you sprinkle some common salt on grass growing on a lawn, it is killed at that spot.
Give suitable biological reasons for the following statement:
Root hairs become flaccid and droop when excess fertilizers are added to the moist soil around them.
Differentiate between:
Turgid and Flaccid.
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.
Name the following:
The process by which wilting or drooping of leaves occurs.
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.
Given below is the figure of a plant cell showing different kinds of pressure acting upon it. Study the figure and answer the questions that follow:
- In the figure, 1, 2 and 3 represent:
- Cytoplasm, Nucleus, Vacuole respectively
- Vacuole, Cytoplasm, Cell wall respectively.
- Cytoplasm, Cell membrane and vacuole respectively.
- Cytoplasm, Cell wall and Vacuole respectively.
- B in the figure represents:
- Osmotic pressure
- Turgor pressure
- Wall pressure
- Diffusion pressure
- A in the figure represents:
- irnbibition pressure
- Wall pressure
- Turgor pressure
- Osmotic pressure
- C in the figure represents:
- Turgor pressure
- Osmotic pressure
- Wall pressure
- Imbibition pressure
- Draw a neat and labelled diagram of a plasmolyzed plant cell.
