Elephantiasis causing organism belongs to

Options

A. Aschelminthes
B. Platyhelminthes
C. Cnidaria
D. Porifera

Answer

**Step-by-Step Solution:**

1. **Understanding the Question:**
The question asks about the organism that causes elephantiasis and its classification.

2. **Identifying the Disease:**
Elephantiasis is a disease characterized by the extreme swelling of body parts, often the limbs and genital areas, due to the obstruction of lymphatic vessels.

3. **Identifying the Causative Agent:**
The organism responsible for causing elephantiasis is known as Wuchereria bancrofti. This organism is a type of parasitic worm.

4. **Classification of the Organism:**
Wuchereria bancrofti belongs to the group of organisms known as filarial worms. Filarial worms are part of the phylum Nematoda (roundworms).

5. **Conclusion:**
Therefore, the organism causing elephantiasis belongs to the category of filarial worms, specifically Wuchereria bancrofti.

**Final Answer:**
The organism causing elephantiasis belongs to the group of filarial worms, specifically Wuchereria bancrofti.

---