Advertisements
Advertisements
Question
The given statement is incorrect. Rewrite the correct statement:
Fresh water fish when placed in hypertonic salt solution absorb water and burst.
Advertisements
Solution
Freshwater fish, when placed in hypertonic salt solution, lose water and shrink
Or
Marine fish, when placed in a hypotonic salt solution, absorb water and burst.
APPEARS IN
RELATED QUESTIONS
The space between the cell wall and plasma membrane in a plasmolysed cell is filled with ______.
Give the equivalent terms for the following:
Pressure of the cell contents on the cell wall
Give two examples of turgor movements in plants.
Distinguish between the following:
Filtration and diffusion
What is the significance of diffusion?
Give Reasons for the following.
Plants growing in fertilized soil are often found to wilt if the soil is not adequately watered. Why?
In the figure below ‘A’ shows a cell in the normal state and ‘B’ shows the same cell after leaving it in a certain solution for a few minutes.
(i) Describe the change which has occurred in the cell as seen in B.
(ii) Give the technical term for the condition of the cell as reached in B and as it was in A.
(iii) Define the process which led to this condition.
(iv) What was the solution-isotonic, hypotonic or hypertonic, in which the cell was kept?
(v) How can the cell in B, be brought back to its original condition?
(vi) Name the parts numbered 1 to 3.
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.
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.
