Secretion of stink glands helps in

Options

A. attracting the preys
B. repelling enemies
C. killing the preys
D. none of the above

Answer

**Step-by-Step Solution:**

1. **Understanding the Structure of Cockroaches:**
- Cockroaches have an exoskeleton that is hard and calcareous. Their body is divided into three main parts: the head, thorax, and abdomen.

2. **Identifying the Location of Stink Glands:**
- In cockroaches, stink glands are located in the abdominal region, specifically between the 5th and 6th segments.

3. **Function of Stink Glands:**
- The secretion from these stink glands produces a foul odor. This odor is a defense mechanism for the cockroach.

4. **Analyzing the Options:**
- **Option A:** Attracting prey - This is incorrect because the foul smell is not attractive to prey.
- **Option B:** Repelling enemies - This is correct as the stinky secretion helps in deterring predators.
- **Option C:** Killing prey - This is incorrect because the secretion is not poisonous and does not kill.
- **Option D:** None of the above - This is also incorrect since option B is a valid function.

5. **Conclusion:**
- The secretion of stink glands in cockroaches primarily helps in repelling enemies due to its unpleasant smell. Therefore, the correct answer is **Option B: repelling enemies**.

---