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प्रश्न
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उत्तर
Turgor pressure keeps the soft organs like flowers, young shoots, leaves, etc. in stretched form. It is also essential for the growth of the cells. Changes in the turgor pressure causes opening and closing of stomata.
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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.
Fig. represents aprocess in plants. The set up was placed in bright sunlight. Answer the following questions:
-
- Name the physiological process depicted in the figure.
- Why was oil added to the water?
- 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.
- What happens to the level of water when this setup is placed in:
- Humid conditions?
- Windy conditions?
- Mention any three adaptations found in plants to overcome the process mentioned in (a).
- Explain the term ‘Guttation’.
Mention whether the following statement is true or false Correct the false statement by altering the last word only.
Cells that have lost their water content are said to be deplasmolysed.
Distinguish between the following:
Flaccid condition and turgid condition
Differentiate between the following
Turgor pressure and Root pressure
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.
Multiple Choice Question:
When cell is fully turgid, which of the following will be zero?
The hydrostatic pressure of the cell sap on the cell wall is called ______.
Addition of salt to pickles is a method of killing the bacteria by ______.
