Q. 55.0( 1 Vote )

Movement of molecules of a substance from the region of their higher concentration to the region of their lower concentration without the involvement of a separating membrane, is called
A. Osmosis

B. Diffusion

C. Active transport

D. Capillarity

Answer :

Diffusion is the free movement of molecules of a substance from their region of higher concentration to their region of lower concentration when the two are in a direct contact and not separated by any membrane.

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