Choose the incorrect statement about members of the kingdom Fungi.

Options

A. With the exception of yeasts which are unicellular , fungi are filamentous .
B. The fungal cell walls is made of cellulose and pectin.
C. Fungal bodies consist of long , slender thread - like structures called hyphae.
D. Some hyphae are continuous tubes filled with multinucleated cytoplasm known as coenocytic hyphae.

Answer

To solve the question regarding the incorrect statement about members of the kingdom Fungi, we will analyze each statement provided in the options and identify which one is incorrect.

### Step-by-Step Solution:

1. **Understand the Characteristics of Fungi**:
- Fungi are heterotrophic organisms, meaning they cannot produce their own food and rely on other organisms for nutrition.

2. **Examine the Statements**:
- We need to evaluate each statement related to fungi to identify the incorrect one.

3. **Statement Analysis**:
- **Statement 1**: "With the exception of yeast, which are unicellular, fungi are filamentous."
- This statement is correct. Yeast is indeed a unicellular fungus, while most other fungi are filamentous.

- **Statement 2**: "The cell wall of fungi is made up of cellulose and pectin."
- This statement is incorrect. The cell wall of fungi is primarily composed of chitin, not cellulose and pectin.

- **Statement 3**: "The body of fungi consists of long cylindrical thread-like structures called hyphae."
- This statement is correct. The basic structure of fungi is indeed made up of hyphae.

- **Statement 4**: "The network of hyphae is called mycelium."
- This statement is correct. The collective network of hyphae forms the mycelium.

4. **Identify the Incorrect Statement**:
- From our analysis, it is clear that Statement 2 is incorrect because it inaccurately describes the composition of the fungal cell wall.

### Conclusion:
The incorrect statement about members of the kingdom Fungi is: **"The cell wall of fungi is made up of cellulose and pectin."**

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