English

Define the Following: Osmosis

Advertisements
Advertisements

Question

Define the following:

Osmosis

One Line Answer
Short/Brief Note
Advertisements

Solution

Osmosis - Osmosis is the movement of solvent molecules from a region of higher concentration to a region of lower concentration through a semi-permeable membrane.

shaalaa.com
  Is there an error in this question or solution?
Chapter 4: Absorption by Roots - Exercises [Page 55]

APPEARS IN

Frank Biology Part 2 [English] Class 10 ICSE
Chapter 4 Absorption by Roots
Exercises | Q 12. (a) | Page 55

Video TutorialsVIEW ALL [1]

RELATED QUESTIONS

Differentiate between Turgor pressure and Wall pressure (explain)


A plant cell placed in a certain solution got plasmolysed. What was the kind of solution?


Differentiate between the following: 

Plasmolysis and deplasmolysis 


Distinguish between the following:

Filtration and diffusion    


Distinguish between the following:

Turgor pressure and osmotic pressure


Mention whether the following statement is true (T) or false (F) and give explanation in support of your answer.

Plasmolysis is reverse of deplasmolysis.


Give Reasons for the following.
Freshwater fish cannot survive in seawater.


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.


Given below is the figure of an experimental set up to demonstrate root pressure.

(i) Define root pressure.
(ii) What change would you observe in the water level after some time?
(iii) What role is being played by the root pressure in the given experiment?
(iv) Why the oil has been sprinkled on water?


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.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×