Taenia solium has

Options

A. Mouth and anus both
B. Only mouth present but no anus
C. Only anus present but no mouth
D. Complete digestive tract is absent

Answer

**Step-by-Step Solution:**

1. **Identify the Organism**: The question refers to *Taenia solium*, which is a type of tapeworm.

2. **Determine the Phylum**: *Taenia solium* belongs to the phylum Platyhelminthes, which includes flatworms.

3. **Understand the Digestive System**: Organisms in the phylum Platyhelminthes, including *Taenia solium*, have an incomplete digestive tract. This means they have only one opening for both ingestion and excretion.

4. **Classify the Organism**: *Taenia solium* is classified under the class Cestoda, which consists of parasitic flatworms known as tapeworms.

5. **Absorption of Nutrients**: Tapeworms like *Taenia solium* do not have a mouth or anus. Instead, they absorb nutrients directly through their body surface or via specialized structures called suckers.

6. **Evaluate the Options**:
- **Option 1**: Mouth and anus - Incorrect, as this indicates a complete digestive tract.
- **Option 2**: Only mouth present but no anus - Incorrect, as *Taenia solium* does not have a mouth.
- **Option 3**: Only anus present but no mouth - Incorrect, as *Taenia solium* does not have an anus.
- **Option 4**: Complete digestive tract is absent - Correct, as *Taenia solium* has an incomplete digestive system.

7. **Conclusion**: The correct answer is that *Taenia solium* has an incomplete digestive tract.

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