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प्रश्न
Addition of salt to pickles is a method of killing the bacteria by ______.
विकल्प
Imbibition
Diffusion
Deplasmolysis
Plasmolysis
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उत्तर
Addition of salt to pickles is a method of killing the bacteria by plasmolysis.
Explanation:
Salt added to the pickle raises the solute concentration outside of the bacterial cells. As a result, water moves outside of the cell and kills the bacteria.
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संबंधित प्रश्न
Give the equivalent terms for the following:
Loss of water through a cut stem.
Differentiate between the following:
Turgidity and Flaccidity
Give reasons for the following:
If you sprinkle some common salt on grass growing on a lawn, it is killed at that spot.
A leaf cell of a water plant was placed in a liquid other than pond water. After sometime, it assumed a shape as shown below:
- Give the term for the state of the cell it has acquired.
- Name the structure which acts as a selectively permeable membrane.
- Comment on the nature (tonicity) of the liquid surrounding the cell.
- Name any one feature of this plant cell which is not present in an animal cell.
- Redraw in the space provided, the diagram of the cell if it is soon placed in ordinary water for some time.
Differentiate between:
Turgid and Flaccid.
Differentiate between the following
Turgor pressure and Root pressure
Name the following:
The process by which wilting or drooping of leaves occurs.
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.
Multiple Choice Question:
When cell is fully turgid, which of the following will be zero?
Deplasmolysis occurs when a plasmolysed cell is placed in ______.
