When any dry plant material or seeds are kept in water, they swell up.
Q(b)Define this phenomenon.

Explanation

**Step-by-Step Text Solution:**

1. **Understanding the Phenomenon**: When dry plant materials or seeds are placed in water, they undergo a change where they absorb water and increase in size.

2. **Identifying the Process**: The specific process that describes this absorption of water by solids or colloids is known as "imbibition."

3. **Defining Imbibition**: Imbibition can be defined as the process of absorption of water by dry materials, leading to an increase in their volume. It is a special type of diffusion where water is absorbed by solids or colloids.

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