Excretory organ in aschelminthes is

Options

A. Flame cells
B. Solenocytes
C. Renette cells
D. Kidneys

Answer

### Step-by-Step Solution:

1. **Understanding the Question**: The question asks for the excretory organ found in Aschelminthes, which is a group of invertebrates also known as roundworms.

2. **Identifying the Options**: The options provided are:
- A) Flame cells
- B) Solenocytes
- C) Renette cells
- D) Kidneys

3. **Analyzing Each Option**:
- **A) Flame cells**: These are excretory structures found in flatworms (Platyhelminthes) and not in Aschelminthes. Therefore, this option is incorrect.
- **B) Solenocytes**: These are also associated with flatworms and are often confused with flame cells. Hence, this option is also incorrect.
- **C) Renette cells**: These are indeed the excretory organs found in Aschelminthes. They play a crucial role in osmoregulation and excretion in these organisms. This option is correct.
- **D) Kidneys**: Kidneys are excretory organs found in vertebrates and not in Aschelminthes. Thus, this option is incorrect.

4. **Conclusion**: Based on the analysis, the correct answer is **C) Renette cells**, as they are the excretory organs in Aschelminthes.

### Final Answer:
The excretory organ in Aschelminthes is **Renette cells**.

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