What are polysaccharides ? Give one example.

Explanation

### Step-by-Step Solution:

1. **Definition of Polysaccharides**:
- Polysaccharides are a type of carbohydrate that consist of long chains of monosaccharide units. They are formed by the polymerization of many monosaccharides, which are the simplest form of carbohydrates.

2. **Hydrolysis of Polysaccharides**:
- When polysaccharides undergo hydrolysis, they break down into smaller units, specifically into a large number of monosaccharides. This process involves the addition of water and the action of enzymes.

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