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Question
Multiple Choice Question:
Marine fish when thrown under tap water bursts because of:
Options
Endosmosis
Diffusion
Exosmosis
Plasmolysis
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Solution
Endosmosis
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RELATED QUESTIONS
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?
The most appropriate characteristic of a semipermeable membrane is that
When placed in a more concentrated solution, the cell contents will ______.
Define the following:
Hypertonic solution
Name the following:
The process by which raisins swell up when placed in a beaker of water.
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.
Give Reasons for the following.
Freshwater fish cannot survive in seawater.
Give Technical Term for the following.
A solution whose concentration is equal to the cell sap.
Fill in the Blanks
Osmosis in the diffusion of _______ molecules from the region of higher _____ potential to that of lower potential across a S.P.M.
Multiple Choice Question:
When a plant wilts, the sequence of events will be as follows:
