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प्रश्न
Mention whether the following statement is true or false. Correct the false statement by altering the last word only.
The shrinkage of protoplasm, when a cell is kept in hypotonic solution.
विकल्प
True
False
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उत्तर
This statement is false.
Correct statement: The shrinkage of protoplasm, when a cell is kept in hypertonic solution.
Explanation:
The protoplasm of a cell shrinks due to the exosmosis of water, which occurs in hypertonic solutions, whereas a cell kept in hypotonic solutions swells up due to the endosmosis of water.
संबंधित प्रश्न
Movement of molecules of a substance from the region of their higher concentration to the region of their lower concentration without the involvement a separating membrane, is called
Two potato cubes each 1 cm3 in size, were placed separately in two containers (A&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 had somewhat decreased in size. Use the above information to answer the questions that follow:
Account for the firmness and increase in the size of the potato cubes placed in water.
Define the following:
Osmosis
Define the following:
Hypertonic solution
Give a diagrammatic representation of plasmolysis in a cell.
Fill in the Blank
The pressure which develops in the cortical cells of root which force a part of the water upward ____________.
Multiple Choice Question:
Osmosis involves:
Explain the Term: Endosmosis
