A display garden that concentrates on woody plants is known as:
(a) arboretum
(b) zoological park
(c) herbaria
(d) herbal

Options

A. arboretum
B. zoological park
C. herbaria
D. herbal

Explanation

To solve the question, we need to identify what a display garden that focuses on woody plants is called. Let's analyze the options provided:

1. **Understanding the Options**:
- **(a) Arboretum**: This term refers to a place where trees and other woody plants are cultivated for scientific and educational purposes.
- **(b) Zoological Park**: This is a facility where animals are housed and displayed to the public, not focused on plants.
- **(c) Herbaria**: This term refers to a collection of preserved plant specimens, typically for scientific study, not a garden.
- **(d) Herbal**: This term generally refers to plants used for medicinal purposes and does not specifically denote a garden focused on woody plants.

2. **Identifying the Correct Answer**:
- The term that directly relates to a display garden concentrating on woody plants is **"arboretum."** An arboretum is specifically designed for the cultivation and study of trees and woody plants, making it the most appropriate choice.

3. **Conclusion**:
- The correct answer to the question is **(a) arboretum**.

### Step-by-Step Solution:
1. Read the question carefully to understand what is being asked.
2. Analyze each option provided to determine its meaning.
3. Identify that "arboretum" is specifically a garden for woody plants.
4. Eliminate the other options that do not relate to woody plants.
5. Conclude that the correct answer is (a) arboretum.