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Question : Define the following. (a) Diffusion (b) Osmosis

Answer»

Solution :(a) Diffusion: The movement of molecules in liquid and SOLIDS from a region of HIGHER concentration to a region of LOWER concentration, without the utilization of energy is called Diffusion.
(B) Osmosis: Osmosis is the movement of solvent or water molecules, from the region of higher concentration, to the region of lower concentration through a semi PERMEABLE membrane.
(c) Plasmolysis: Plasmolysis is a process, which occurs, when water moves out of the cell and resulting in the shrinkage of cell membrane, away from the cell wall.


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