Advertisements
Advertisements
Question
Osmosis and diffusion are the same except that osmosis there is:
Options
a freely permeable membrane
a cell wall in between
a selectively permeable membrane in between
an endless inflow of water into a cell
Solution
a selectively permeable membrane in between
APPEARS IN
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?
A plant cell placed in a certain solution got plasmolysed. What was the kind of solution?
The highest water potential (capacity to move out higher concentrated solution) is that of ______.
Show by a series of diagrams, the change which a plant cell will undergo when placed in
Hypotonic salt solution
Distinguish between the following:
Turgor pressure and osmotic pressure
Name the following:
The pressure with which the molecules of a substance diffuse.
Give Reasons for the following.
Salt and sugar are used in preserving food.
Differentiate between:
Osmosis and Diffusion
Name the following:
Condition of cell in which the cell content are shrunken.
Fill in the Blank
The pressure which develops in the cortical cells of root which force a part of the water upward ____________.