Hooks and suckers in the parasitic forms is present in:

Options

A. Platyhelminthes
B. Arthropoda
C. Sponges
D. Electric eel

Answer

To answer the question about where hooks and suckers in parasitic forms are present, we can follow these steps:

### Step-by-Step Solution:

1. **Understanding the Question**: The question asks about the presence of hooks and suckers in parasitic organisms. We need to identify which of the given options contains these structures.

2. **Analyzing the Options**:
- **Option A: Platyhelminthes**: This group includes flatworms, many of which are known to be parasitic. They often possess hooks and suckers that help them attach to their hosts.
- **Option B: Arthropoda**: This phylum includes insects, arachnids, and crustaceans. While some arthropods can be parasitic, they do not typically have hooks and suckers.
- **Option C: Sponges**: Sponges are simple organisms that do not have hooks or suckers. They are filter feeders and do not exhibit parasitic behavior.
- **Option D: Electric Eel**: This is a type of fish and does not possess hooks or suckers. It is not a parasitic organism.

3. **Identifying the Correct Answer**: Based on the analysis, Platyhelminthes (flatworms) are the only group listed that is known for having hooks and suckers as adaptations for parasitism.

4. **Conclusion**: The correct answer to the question is **Option A: Platyhelminthes**.

### Final Answer:
Hooks and suckers in the parasitic forms are present in **Platyhelminthes**.

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