Main excretory product of cockroach is :

Options

A. Ammonia
B. Urea
C. Uric Acid
D. Amonia acid

Answer

To determine the main excretory product of cockroaches, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Habitat of Cockroaches**:
- Cockroaches are terrestrial animals, meaning they live on land. This is important because the type of excretory product can depend on the environment.

2. **Know the Types of Excretory Products**:
- Common excretory products in animals include ammonia, urea, and uric acid.
- Ammonia is highly toxic and requires a lot of water to be excreted, making it more suitable for aquatic animals.
- Urea is less toxic than ammonia and is excreted by many terrestrial animals, but it still requires some water for excretion.
- Uric acid is even less toxic and is excreted as a paste with minimal water loss, which is advantageous for terrestrial animals.

3. **Identify the Excretion Strategy of Terrestrial Animals**:
- Most terrestrial animals, including insects like cockroaches, tend to excrete uric acid or its salts. This is because they need to conserve water in their environment.

4. **Conclusion**:
- Based on the information about cockroaches and their habitat, the main excretory product of cockroaches is uric acid.

### Final Answer:
The main excretory product of cockroach is **C. Uric Acid**.