Members of class Trematoda are commonly called as

Options

A. Blood flukes
B. Flatworms
C. Flukes
D. Tapeworms

Answer

### Step-by-Step Solution:

1. **Identify the Class**: The question asks for the common name of members of the class Trematoda. Trematoda is a class within the phylum Platyhelminthes.

2. **Understand the Phylum**: Platyhelminthes are commonly known as flatworms. This phylum includes three main classes: Turbellaria, Trematoda, and Cestoda.

3. **Focus on Trematoda**: Members of the class Trematoda are primarily parasitic flatworms. They are known for their flat, leaf-like bodies.

4. **Common Names of Trematoda Members**: The most well-known members of the class Trematoda are commonly referred to as "flukes."

5. **Examples of Flukes**: Some specific examples of flukes include liver flukes (Fasciola) and blood flukes (Schistosoma). These organisms can cause various diseases in their hosts.

6. **Conclusion**: Therefore, the members of class Trematoda are commonly called flukes.

### Final Answer:
Members of class Trematoda are commonly called **flukes**.

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