Which option is wrong regarding to Albugo ?

Options

A. Cell wall is mainly chitinous
B. Obligate parasite
C. White rust disease
D. Member of phycomycetes

Answer

To determine which option is wrong regarding Albugo, we will analyze each provided statement one by one.

### Step-by-Step Solution:

1. **Understanding Albugo**: Albugo is a genus of fungi known for being obligate parasites, particularly affecting plants. It is important to know its classification and characteristics.

2. **Analyzing the Options**:
- **Option 1: Cell wall is mainly cutaneous**: This statement is incorrect. The cell wall of Albugo is made of cellulose, not cutin (which is found in the cuticle of plants).
- **Option 2: Obligate parasite**: This statement is correct. Albugo is indeed an obligate parasite, meaning it requires a living host to grow and reproduce.
- **Option 3: White rust disease**: This statement is also correct. Albugo is known to cause white rust disease in plants.
- **Option 4: Member of phycomycetes**: This statement is correct as well. Albugo belongs to the group of fungi known as phycomycetes.

3. **Conclusion**: The only statement that is wrong regarding Albugo is that its cell wall is mainly cutaneous. Therefore, the correct answer to the question is that the statement regarding the cell wall being mainly cutaneous is wrong.

### Final Answer:
The wrong option regarding Albugo is: **Cell wall is mainly cutaneous**.

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