Filariform is larva of

Options

A. Platyhelminthes
B. Aschelminthes
C. Annelids
D. Arthropods

Answer

**Step-by-Step Solution:**

1. **Understanding Filariform Larva**:
- Filariform larva is a specific type of larval stage that is known to be infective. It is important to identify which organisms produce this type of larva.

2. **Identifying the Options**:
- The options given are:
- A) Platyhelminthes
- B) Aschelminthes (Nemathelminthes)
- C) Annelids
- D) Arthropods

3. **Analyzing Each Option**:
- **Platyhelminthes**: This group includes flatworms, which do not produce filariform larvae.
- **Aschelminthes (Nemathelminthes)**: This group includes roundworms, such as hookworms and Ascaris, which are known to produce filariform larvae.
- **Annelids**: This group includes segmented worms, which also do not produce filariform larvae.
- **Arthropods**: This group includes insects and crustaceans, which do not have filariform larvae.

4. **Conclusion**:
- Based on the analysis, the correct answer is **B) Aschelminthes (Nemathelminthes)**, as this group includes organisms that produce filariform larvae.

**Final Answer**: Filariform is the larva of **Aschelminthes (Nemathelminthes)**.

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