First slide
Plant-Water Relations
Question

A special type of diffusion when water is absorbed by solids – colloids – causing them to increase in volume is:

Easy
Solution

Imbibition is a special type of diffusion when water is absorbed by solids – colloids – causing them to increase in volume. Water potential gradient between the absorbent and the liquid imbibed is essential for imbibition. In addition, for any substance to imbibe any liquid, affinity between the adsorbant and the liquid is also a pre-requisite.

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