Uric acid is the chief nitrogenous component of the excretory products of `:`

Options

A. Cockroach
B. Frog
C. Man
D. Earthworm

Answer

### Step-by-Step Solution:

1. **Understanding Excretory Products**:
- Excretory products in animals can be classified based on the nitrogenous waste they produce. The main types are urea, uric acid, and ammonia.

2. **Classification of Animals**:
- Animals are categorized into two main groups based on their nitrogenous waste:
- **Ureotelic**: These animals primarily excrete urea. Examples include mammals like humans and frogs.
- **Uricotelic**: These animals primarily excrete uric acid. An example is the cockroach.

3. **Analyzing the Options**:
- The question asks which organism has uric acid as the chief nitrogenous component of its excretory products.
- **Cockroach**: Known to be uricotelic, meaning it excretes uric acid.
- **Frog**: Ureotelic, excretes urea.
- **Man**: Ureotelic, excretes urea.
- **Earthworm**: Primarily secretes urea along with some amino acids.

4. **Conclusion**:
- Since the cockroach is the only organism listed that primarily excretes uric acid, it is the correct answer to the question.

### Final Answer:
- Uric acid is the chief nitrogenous component of the excretory products of **cockroach**.

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