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प्रश्न
Give reason for the following:
Potato cubes, when placed in water, become firm and increase in size.
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उत्तर
Potato cubes contain an excess of salts and sugars as compared to the water in which they are placed. Hence, due to endosmosis, water from the surrounding area enters the potato cubes, making them firm and increasing their size.
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संबंधित प्रश्न
A plant cell placed in a certain solution got plasmolysed. What was the kind of solution?
The space between the cell wall and plasma membrane in a plasmolysed cell is filled with ______.
When placed in a more concentrated solution, the cell contents will ______.
Show by a series of diagrams, the change which a plant cell will undergo when placed in
Hypotonic salt solution
Distinguish between the following:
Turgor pressure and osmotic pressure
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:
Name and define the physical process being investigated in this experiment.
Differentiate between the following
Endosmosis and Exosmosis
Multiple Choice Question:
Marine fish when thrown under tap water bursts because of:
Explain the term:
Plasmolysis
During a practical exam, a plant cell in a particular solution was placed under a compound microscope. Students were told to observe the cell and name the tonicity of the solution and mention the process that occurred in the cell.
