Suctorial mouth occurs in

Options

A. Butterfly
B. Leech
C. Taenia
D. Cockroach

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks about the organism that possesses a suctorial mouth. A suctorial mouth is a specialized structure that allows an organism to suck fluids, typically found in parasitic organisms.

2. **Analyzing the Options**:
- **Butterfly**: Butterflies have a proboscis that they use for feeding on nectar. They do not have a suctorial mouth.
- **Leech**: Leeches are ectoparasites that feed on the blood of their hosts. They have a mouth that can attach to the host, but it is not classified as a suctorial mouth.
- **Taenia**: Taenia is a genus of tapeworms, which are endoparasites. They have a specialized mouth structure that allows them to attach to the intestinal wall of their host and suck nutrients.
- **Cockroach**: Cockroaches have chewing mouthparts and do not possess a suctorial mouth.

3. **Identifying the Correct Answer**: Among the options provided, Taenia (tapeworm) is the only organism that has a suctorial mouth, which it uses to attach to the host's intestinal wall and absorb nutrients.

4. **Conclusion**: The correct answer to the question "Suctorial mouth occurs in" is **Taenia**.

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