Advertisements
Advertisements
Question
A plant cell kept in a drop of water was examined under the low power magnification of a microscope, as shown:
(i) What would you do to bring this cell back to its original condition?
(ii) What scientific term is used for such condition?
(iii) Draw the same cell if it is kept in a strong sugar solution.
Advertisements
Solution
(i) Put the cell back into the drop of water for sometime. Deplasmolysis occurs.
(ii) Plasmolysis.
(iii) Plasmolysed cell.
APPEARS IN
RELATED QUESTIONS
Define the following:
Osmosis
Name the following:
Two solutions having same concentrations.
Name the following:
The process by which raisins swell up when placed in a beaker of water.
What is the significance of diffusion?
Differentiate between:
Osmosis and Diffusion
The diagram given below is of an experiment just at the start. Study the diagram carefully and answer the following questions :
(i) What does the experiment demonstrate?
(ii) Define, the process demonstrated in the experiment.
(iii) What changes are observed after a few hours?
(iv) Give two examples of a semi-permeable membrane.
(v) Which limb of the U-tube contains a more concentrated sucrose solution, A or B?
(vi) Why is the membrane separating the two solutions labeled as semi-permeable membrane?
Give Technical Term for the following.
The pressure which is responsible for the movement of water molecules across the cortical cells of the root.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
During exosmosis, water moves from inside the cell to the outside of the cell.
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.
