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प्रश्न
Define the following:
Hypertonic solution
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उत्तर
A hypertonic solution is a solution that has a higher concentration of solutes (such as salt or sugar) compared to the inside of a cell.
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संबंधित प्रश्न
A candidate in order to study the process of osmosis has taken 3 potato cubes and put them in 3 different beakers containing 3 different solutions. After 24 hours, in the first beaker the potato cube increased in size, in the second beaker the potato cube decreased in size and in the third beaker there was no change in the size of the potato cube. The following diagram shows the result of the same experiment:
(i) Give the technical terms of the solutions used in beakers, 1, 2 and 3.
(ii) In beaker 3, the size of the potato cube remains the same. Explain the reason in brief.
(iii) Write the specific feature of the cell sap of root hairs which helps in absorption of water.
(iv) What is osmosis?
(v) How does a cell wall and a cell membrane differ in their permeability?
Name the following:
The condition of a cell placed in a hypotonic solution.
Differentiate between the following:
Plasmolysis and deplasmolysis
Name the following:
The inward movement of solvent molecules through the plasma membrane of the cell.
Explain why:
The leaves of wilted lettuce, if kept in cold water, become crisp.
Mention whether the following statement is true (T) or false (F) and give explanation in support of your answer.
Plasmolysis is reverse of deplasmolysis.
Name the following:
The pressure through which water can rise upto some feet.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Osmosis is defined as the movement of water from a concentrated sugar solution to a dilute sugar solution.
Multiple Choice Question:
In the process of osmosis in a cell:
Multiple Choice Question:
When a plant wilts, the sequence of events will be as follows:
