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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.
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संबंधित प्रश्न
Name the following:
The condition of a cell placed in a hypotonic solution.
Define the following:
Hypertonic solution
Name the following:
The process by which raisins swell up when placed in a beaker of water.
Name the following:
Movement of molecules from a region of high concentration to a region of low concentration.
Differentiate between:
Osmosis and Diffusion
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
During exosmosis, water moves from inside the cell to the outside of the cell.
Multiple Choice Question:
Osmosis involves:
Multiple Choice Question:
Plasma membrane controls:
Explain the term:
Plasmolysis
