In class phycomycetes the mycelium is :-

Options

A. Coenocytic and aseptate
B. Coenocytic and septate
C. Unicellular and aseptate
D. Multinuclear and septate

Answer

### Step-by-Step Solution:

1. **Understanding Phycomycetes**:
- Phycomycetes is considered a lower group of fungi. It includes organisms like Rhizopus, Mucor, and Albugo.

2. **Characteristics of Mycelium in Phycomycetes**:
- The mycelium in Phycomycetes is characterized by the absence of septa (cross walls) between the cells.

3. **Terminology**:
- Since the mycelium lacks septa, the hyphae are termed **aseptate**.
- The hyphae are also described as **cynocytic** (or coenocytic), which means they are multinucleated.

4. **Conclusion**:
- Therefore, the correct description of the mycelium in Phycomycetes is that it is **aseptate and coenocytic**.

5. **Final Answer**:
- The mycelium in class Phycomycetes is **aseptate and coenocytic**.