Plant classification based on their economic importance is called:-

Options

A. Artificial classficiation
B. Practical classification
C. Natural classfication
D. Adansonian classification

Answer

To solve the question "Plant classification based on their economic importance is called:", we will follow these steps:

### Step-by-Step Solution:

1. **Understand the Question**: The question asks for the term used to classify plants based on their economic importance. This includes how plants are used in various sectors such as medicine, food, ornamentation, etc.

2. **Analyze the Options**: The options provided are:
- Artificial classification
- Practical classification
- Natural classification
- Edinsonian classification

3. **Define Each Term**:
- **Artificial Classification**: This classification is based on non-evolutionary criteria and observable characteristics, not necessarily related to economic importance.
- **Practical Classification**: This classification is based on the economic value and importance of plants, such as their medicinal, nutritional, or ornamental uses.
- **Natural Classification**: This is based on evolutionary relationships and considers a wide range of characteristics, not specifically economic.
- **Edinsonian Classification**: This classification method gives equal weightage to each trait, which does not focus on economic importance.

4. **Identify the Correct Answer**: Since the question specifically asks for classification based on economic importance, the correct answer is **Practical Classification**.

5. **Final Answer**: Therefore, the answer to the question is **Practical Classification**.