Aquaculture does not include

Options

A. Useful aquatic plants
B. Fish
C. Prawn
D. Silkworms

Answer

### Step-by-Step Solution:

1. **Understanding Aquaculture**:
- Aquaculture, also known as aqua farming, refers to the farming of aquatic organisms. This includes various species of fish, mollusks, crustaceans, and aquatic plants.

2. **Identifying the Options**:
- The question asks which of the given options is not included in aquaculture. The options provided are:
1. Useful aquatic plants
2. Fishes
3. Prawn
4. Silkworm

3. **Evaluating Each Option**:
- **Option 1: Useful aquatic plants** - These are included in aquaculture as they are farmed for various purposes.
- **Option 2: Fishes** - Fishes are a primary component of aquaculture and are definitely included.
- **Option 3: Prawn** - Prawns are crustaceans and are also included in aquaculture.
- **Option 4: Silkworm** - Silkworms belong to the phylum Arthropoda and class Insecta, and they are not aquatic organisms. Therefore, they are not included in aquaculture.

4. **Conclusion**:
- Based on the evaluation, the correct answer is **Option 4: Silkworm**, as it does not belong to the category of organisms farmed in aquaculture.

### Final Answer:
**Aquaculture does not include: Option 4 - Silkworm.**

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