Which of the following statements is correct regarding cockroach ?

Options

A. It possesses ventral nerve cord
B. Its spiracles help in excretion
C. Phallomere is present in female cockroach
D. Compound eye is also called as ocellus

Answer

To determine the correct statement regarding cockroaches, let's analyze each of the provided options step by step:

1. **Option A: It possesses a ventral nerve cord.**
- Cockroaches, like many other arthropods, have a ventral nerve cord. This is a characteristic feature of their nervous system, which runs along the belly (ventral side) of the body. This statement is correct.

2. **Option B: Its spiracles help in excretion.**
- Spiracles are small openings on the body of cockroaches that are primarily involved in respiration, allowing air to enter the tracheal system. They do not play a role in excretion. Therefore, this statement is incorrect.

3. **Option C: Phallomere is present in female cockroach.**
- The phallomere is a structure associated with the male reproductive system and serves as external genitalia. It is not found in female cockroaches. Thus, this statement is also incorrect.

4. **Option D: Compound eye is also called ocellus.**
- Cockroaches have two types of eyes: compound eyes and simple eyes (ocelli). The compound eyes are not referred to as ocelli; instead, ocelli are the simple eyes. Therefore, this statement is incorrect.

Based on the analysis, the only correct statement regarding cockroaches is **Option A: It possesses a ventral nerve cord.**

### Summary of the Correct Answer:
The correct statement regarding cockroaches is: **It possesses a ventral nerve cord.**