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प्रश्न
Distinguish between the following:
Plasmolysis and deplasmolysis
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उत्तर
| Plasmolysis | deplasmolysis |
| When a cell is placed in hypertonic solution , water begins to pass out of the cell by osmosis with a consequent shrinkage of protoplasm . This phenomenon is called plasmolysis . | When a plasmolysed cell is placed in hypotonic solution or pure water , endosmosis takes place as a result of which water is reabsorbed by the protoplast of the cell and it regains its original position . This phenomenon is called deplasmolysis . |
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संबंधित प्रश्न
Name the following:
The condition of a cell placed in a hypotonic solution.
Define the following:
Osmosis
Choose the correct answer:
Cell turgidity is caused by _______________
What is the water potential?
Give Reasons for the following.
Salt and sugar are used in preserving food.
Fill in the Blanks
Diffusion is the movement of molecules from a region of their ________ concentration to the region of their ________ concentration.
Multiple Choice Question:
Marine fish when thrown under tap water bursts because of:
Explain the term:
Plasmolysis
Name the two organelles in a plant cell that contain their own genetic material and ribosomes.
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.
