Advertisements
Advertisements
Question
Give Reasons for the following.
It is necessary to maintain a normal osmotic concentration of the blood.
Advertisements
Solution
Osmotic pressure is maintained in blood to prevent dehydration leading to shrinkage of cells.
RELATED QUESTIONS
Show by a series of diagrams, the change which a plant cell will undergo when placed in
Hypotonic salt solution
Name the following:
The process by which raisins swell up when placed in a beaker of water.
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:

Redraw in the space provided, the diagram of the cell if it is soon placed in ordinary water for some time.
Define the cohesive force.
What is the significance of diffusion?
Give Reasons for the following.
The raisins swell up in the water.
Differentiate between:
Osmosis and Diffusion
Give a diagrammatic representation of plasmolysis in a cell.
Explain the Term:
Osmosis
When a cell in solution shrinks and loses its shape, then the solution is ______.
