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Explain Turgor Pressure - Biology

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Question

Explain Turgor pressure

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Solution

Turgor pressure:
In a turgid plant cell, the pressure of the cell contents on the cell wall is called the turgor pressure.  

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2014-2015 (March) Science Paper 3

RELATED QUESTIONS

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:

  1. Humid conditions?
  2. Windy conditions?

d) Mention any three adaptations found in plants to overcome the process mentioned in (i).

e) Explain the term ‘Guttation’.


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 term for the following:

The condition in which the cell contents are shrunken.


Differentiate between the following:
Turgor pressure and wall pressure 


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.


Distinguish between the following:

Flaccid condition and turgid condition    


Differentiate between the following
Turgor pressure and Root pressure


Differentiate between the following:

Plasmolysis and Deplasmolysis.


Name the following:

The condition in which the contents of a cell exert pressure against the cell wall making it distended.


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