The taste receptors of cockroach are

Options

A. tactile hairs
B. compound eyes
C. companiform sensillae
D. palps of maxillary and labium

Answer

To answer the question "The taste receptors of cockroach are," we will analyze the options provided and determine which one correctly identifies the taste receptors in cockroaches.

### Step-by-Step Solution:

1. **Understand the Question**: The question asks about the taste receptors in cockroaches. Taste receptors are also known as chemoreceptors.

2. **Review the Options**:
- **Option A: Tactile hairs**: These are sensory structures that respond to touch and are not involved in taste.
- **Option B: Compound eyes**: These are visual organs and do not have a role in taste sensation.
- **Option C: Campaniform sensory**: These are mechanoreceptors that respond to pressure and deformation, not taste.
- **Option D: Pads of maxillary and labium**: These are parts of the mouth of the cockroach where taste receptors are located.

3. **Identify the Correct Option**:
- The taste receptors of cockroaches are primarily found in the mouth parts, specifically at the tips of the maxillary palps, labial palps, and the hypopharynx. Therefore, the correct answer is **Option D: Pads of maxillary and labium**.

4. **Conclusion**: The taste receptors of cockroach are located on the pads of the maxillary and labial palps.

### Final Answer:
The taste receptors of cockroach are the pads of maxillary and labium.

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