Plantulae are found in cockroach upon :

Options

A. Pretarsus
B. tarsus
C. Trochanter
D. Coxa

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks where plantulae are found in a cockroach. It provides four options: pre-tarsus, tarsus, trochanter, and coxa.

2. **Defining Plantulae**: Plantulae are specialized structures in cockroaches that resemble pulvuli. They are located on the underside of the tarsal segments of the legs.

3. **Identifying the Correct Location**:
- **Pre-Tarsus**: This is the segment of the leg that is located just before the tarsus. According to the information, plantulae are found on the pre-tarsus.
- **Tarsus**: This is a segment above the pre-tarsus where plantulae are not located.
- **Trochanter**: This is another segment of the leg, but plantulae are not found here either.
- **Coxa**: This is the segment that connects the leg to the body, and plantulae are not present here.

4. **Conclusion**: Based on the definitions and locations discussed, plantulae are specifically found on the pre-tarsus of the cockroach.

5. **Final Answer**: The correct answer is **A) Pre-Tarsus**.

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