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प्रश्न
Mention whether the following statement is true or false. Correct the false statement by altering the last word only.
Addition of salt to pickles prevents growth of bacteria because they turn turgid.
पर्याय
True
False
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उत्तर
This statement is false.
Correct statement: Addition of salt to pickles prevents growth of bacteria because they turn flaccid.
Explanation:
Addition of salt to pickles increases the concentration and when bacterias come in contact, it undergoes exosmosis and thus becomes flaccid or plasmolysed leading to its death.
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संबंधित प्रश्न
Distinguish between the following:
Hypotonic and Hypertonic solutions
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.
Choose the correct answer:
Cell turgidity is caused by _______________
Two potato cubes each 1 cm3 in size, were placed separately in two containers (A and B), the container A having water and the other (B) containing concentrated sugar solution. After 24 hours when the cubes were examined, those placed in water were found to be firm and had increased slightly in size and those placed in concentrated sugar solution were found to be soft and somewhat decreased in size. Use the above information to answer the questions that follow:
Account for the softness and decrease in size of the potato cubes which were placed in sugar solution.
What do you mean by transpiration pull ?
Give Reasons for the following.
Drops of water on a leaf of plant like peepal does not enter the leaf by osmosis?
Give Technical Term for the following.
A solution whose concentration is equal to the cell sap.
The given statement is incorrect. Rewrite the correct statement:
Fresh water fish when placed in hypertonic salt solution absorb water and burst.
