Answer 1

Imbibition : It is a phenomenon of absorption of water molecules or any liquid molecules by hydrophilic or lipophilic substances of the cell making them swell.
Importance :

• Imbibition plays a very significant role in the life of plants. The first step in the absorption of water by the roots of plants is the imbibition of water by the cell wall of the root hair.
•  Dry seeds imbibe water before they start germination