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Question
Explain the term:
Imbibition
Explain
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Solution
- The absorption of water by hydrophilic compounds is called imbibing.
- A substance that absorbs water or liquid is called imbibant, and water or liquid that is imbibed is called imbibate.
- The root hair cell wall is made up of pectic compounds and cellulose, which are hydrophilic colloids.
- During imbibition, water molecules get tightly adsorbed without the formation of a solution.
- Imbibition continues until the equilibrium is reached. In other words, water moves along the concentration gradient.
- Imbibition is significant in soaking seeds, swelling up of dried raisins, kneading of flour, etc.
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Chapter 6: Plant Water Relation - Exercises [Page 133]
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