Humidity and temperature receptors are located in Cockroach over

Options

A. Inner surface of labrum
B. Labial plaps
C. Femur
D. Antennae

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks where the humidity and temperature receptors are located in a cockroach.

2. **Identifying the Structures**: The options provided include various parts of the cockroach's anatomy, such as the labrum and labial palps, which are part of the mouthparts.

3. **Analyzing the Options**:
- The labrum and labial palps are primarily involved in feeding and do not serve as receptors for humidity and temperature.
- The correct structure that is known to house these receptors is the antennae.

4. **Locating the Antennae**: The antennae are located in the head region of the cockroach, specifically in the antennal sockets, which are situated in front of the compound eyes.

5. **Function of the Antennae**: The antennae are equipped with sensory receptors that detect changes in humidity and temperature, making them crucial for the cockroach's ability to sense its environment.

6. **Conclusion**: Therefore, the correct answer to the question is that the humidity and temperature receptors in a cockroach are located in the antennae.

**Final Answer**: The humidity and temperature receptors are located in the antennae of the cockroach.

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