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प्रश्न
A leaf cell of a water plant was placed in a liquid other than pond water. After sometime, it assumed a shape as shown below:
Comment on the nature (tonicity) of the liquid surrounding the cell.
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उत्तर
The liquid is hypertonic solution. It has higher solute concentration outside the cell than the fluids inside the cell.
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?
Give the equivalent terms for the following:
Pressure of the cell contents on the cell wall
Give two examples of turgor movements in plants.
Define the term:
Plasmolysis
Name the following:
Condition of cell in which the cell contents are shrunken.
Give at least three uses of water to green plants
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Plasmolysis makes the cell turgid.
Multiple Choice Question:
Osmosis involves:
Explain the Term:
Osmosis
DPD of a cell can be expressed as ______
