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प्रश्न
Explain why:
Bacteria and fungi do not grow in pickles, jams, jellies and squashes.
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उत्तर
Jam, jellies and pickles are kept in hypertonic solution of sugar or salt in which plasmolysis of bacteria and fungi takes place. This kills the bacteria and fungi and hence, pickles, jam and jellies are preserved properly.
संबंधित प्रश्न
When placed in a more concentrated solution, the cell contents will ______.
Define the term:
Plasmolysis
Distinguish between the following:
Plasmolysis and deplasmolysis
Name the following:
The inward movement of solvent molecules through the plasma membrane of the cell.
Give Reasons for the following.
Salt and sugar are used in preserving food.
Differentiate between:
Osmosis and Diffusion
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Plasmolysis makes the cell turgid.
Multiple Choice Question:
When a plant wilts, the sequence of events will be as follows:
