NCERT Solutions for Class 9 Science Chapter 5
The Fundamental Unit of Life
NCERT Books for Session 2022-2023
CBSE Board and UP Board
Exercises Questions
Page No-67
Questions No- 8
What is osmosis?
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The diffusion of water or solvent through a semi-permeable membrane from a solution of lower concentration of solutes to a solution of higher concentration of solutes, to which the membrane is relatively impermeable, is called osmosis.
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It is the process of movement of water from its high concentration region to its low concentration region through semi-permeable membrane.
Osmosis is diffusion of water from the region of its higher concentration (pure water or dilute solution) to the region of its lower concentration (strong solution) through a semipermeable membrane.