which of the following is not a member of fungi imperfecti?

Options

A. colletotrichum
B. cercospora
C. neurospora
D. alternaria

Answer

To solve the question "Which of the following is not a member of fungi imperfecti?", we will analyze each of the options provided.

### Step-by-Step Solution:

1. **Understanding Fungi Imperfecti**:
- Fungi Imperfecti, also known as Deuteromycetes, are a group of fungi that do not have a known sexual reproduction stage. They reproduce asexually or vegetatively, primarily through spores.

2. **Analyzing Each Option**:
- **Option A: Colletotrichum**
- Colletotrichum does not have a sexual reproduction stage and reproduces asexually. Therefore, it is a member of Fungi Imperfecti.

- **Option B: Sarcospora**
- Sarcospora also lacks a sexual reproduction stage and reproduces either vegetatively or asexually. Hence, it is also a member of Fungi Imperfecti.

- **Option C: Neurospora**
- Neurospora is known to have a sexual reproduction stage. It is classified under Ascomycetes, which means it is not a member of Fungi Imperfecti.

- **Option D: Alternaria**
- Alternaria does not have a sexual reproduction stage and reproduces asexually. Thus, it is a member of Fungi Imperfecti.

3. **Conclusion**:
- Based on the analysis, the only option that is not a member of Fungi Imperfecti is **C. Neurospora**.

### Final Answer:
C. Neurospora