The main excretory product of cockroach is _____________

Answer

**Step-by-Step Solution:**

1. **Identify the Organism**: The question asks about the main excretory product of the cockroach, which is an insect.

2. **Understand Excretion in Insects**: Insects, including cockroaches, have a specific way of excreting waste. They are classified as uricotelic organisms.

3. **Define Uricotelic**: Uricotelic organisms are those that primarily excrete waste in the form of uric acid. This is a form of nitrogenous waste that is less toxic and conserves water, which is beneficial for survival in various environments.

4. **Conclude the Main Excretory Product**: Since cockroaches are uricotelic, their main excretory product is uric acid.

5. **Final Answer**: Therefore, the main excretory product of the cockroach is **uric acid**.

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