Palm is a monocotyledonous plant, yet it increases in girth. Why and how ?

Explanation

### Step-by-Step Solution:

1. **Understanding Monocotyledons**:
- Monocotyledons, or monocots, are a group of flowering plants that typically do not exhibit secondary growth. They usually have a single cotyledon in their seeds and their vascular bundles are scattered throughout the stem.

2. **Palm as a Monocot**:
- The palm tree is classified as a monocotyledonous plant. Generally, monocots do not increase in girth because they lack the vascular cambium, which is responsible for secondary growth in dicots.

...