English

The given statement is incorrect. Rewrite the correct statement: Fresh water fish when placed in hypertonic salt solution absorb water and burst.

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.

Short/Brief Note
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.

shaalaa.com
  Is there an error in this question or solution?
2024-2025 (March) Specimen Paper

Video TutorialsVIEW ALL [1]

RELATED QUESTIONS

Give two examples of turgor movements in plants. 


Explain why:

The leaves of wilted lettuce, if kept in cold water, become crisp.


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.


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.


In an experiment, two sets of apparatus were set up as shown below:
In A there is a concentrated sugar solution inside the thistle funnel and red ink in the water outside the funnel. In B there is a concentrated glucose solution with red ink inside the thistle funnel and water outside the thistle funnel.
In both A and B the level of liquid inside the funnels rises up the tubes. In A the sugar solution turns red and in B, the water turns red.
Study the given observations and answer these questions:

  1. Name the process by which red ink moves in A and B.
  2. Which type of pressure forces the water molecules to move towards thistle funnels and cause a rise in the water level?
  3. Where does this process occur in plants and animals?
  4. What material could be used as a semi-permeable membrane?

Name the following:

The pressure through which water can rise upto some feet.


Name the following:

The process by which raisins swell up when placed in a beaker of water.


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.


Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:

The plasma membrane permits the passage of all solutes and water.


Explain the term:

Plasmolysis


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×