Which of the following matches is correct with regard to the fungi and its characteristics and the class given?

Options

A. Phytophthora `rarr` Aseptate mycelium `rarr` Basidiomycetes
B. Alternania `rarr` Sexual reproduction absent `rarr` Deuteromycetes
C. Mucor `rarr` Reproduction by conjugation `rarr` Ascomycetes
D. Agaricus `rarr` Parasitic fungus `rarr` Basidiomycetes

Answer

To solve the question regarding the correct match between fungi and their characteristics, we will analyze each option provided.

### Step-by-Step Solution:

1. **Understanding Fungi Classification**:
- Fungi are classified into several groups, primarily including Phycomycetes, Ascomycetes, Basidiomycetes, and Deuteromycetes.
- Phycomycetes (or algal fungi) have aseptate and unbranched mycelium.
- Ascomycetes and Basidiomycetes have septate and branched mycelium.
- Deuteromycetes (also known as Fungi Imperfecti) are characterized by the absence of sexual reproduction.

2. **Analyzing the First Option (Phytophthora)**:
- Phytophthora is known to have aseptate mycelium.
- However, it belongs to Phycomycetes, not Basidiomycetes.
- **Conclusion**: This option is incorrect.

3. **Analyzing the Second Option (Alternaria)**:
- Alternaria is known for its absence of sexual reproduction.
- It belongs to Deuteromycetes.
- **Conclusion**: This option is correct.

4. **Analyzing the Third Option (Mucor)**:
- Mucor is an example of Phycomycetes.
- It reproduces by conjugation, which is a form of sexual reproduction.
- **Conclusion**: This option is incorrect.

5. **Analyzing the Fourth Option (Agaricus)**:
- Agaricus is indeed a parasitic fungus.
- However, it belongs to Basidiomycetes, not Phycomycetes.
- **Conclusion**: This option is incorrect.

### Final Answer:
The only correct match is **Alternaria**, which has no sexual reproduction and belongs to **Deuteromycetes**. Therefore, the correct answer is option number 2.

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