Which of the following pair belongs to basidiomycetes?

Options

A. Puff ball and claviceps
B. Morchella and mushroom
C. Peziza and aspergillus
D. Bracket fungi and puffball

Answer

To solve the question "Which of the following pair belongs to basidiomycetes?", we will analyze each option provided and determine if they belong to the Basidiomycetes class of fungi.

### Step-by-Step Solution:

1. **Understanding Basidiomycetes**:
- Basidiomycetes are a class of fungi that includes mushrooms, puffballs, and bracket fungi. They are characterized by their reproductive structure called a basidium.

2. **Analyzing the Options**:
- **Option 1: Puffball and Claviceps**:
- Puffball is a type of fungi that belongs to Basidiomycetes.
- Claviceps, however, belongs to the class Ascomycetes.
- **Conclusion**: This option is incorrect.

- **Option 2: Morchella and Mushroom**:
- Morchella (more commonly known as morel) belongs to the class Ascomycetes.
- Mushroom can belong to Basidiomycetes.
- **Conclusion**: This option is incorrect.

- **Option 3: Peziza and Aspergillus**:
- Peziza is a genus of fungi that belongs to Ascomycetes.
- Aspergillus also belongs to the class Eurotiomycetes (a subclass of Ascomycetes).
- **Conclusion**: This option is incorrect.

- **Option 4: Bracket fungi and Puffball**:
- Bracket fungi (also known as shelf fungi) belong to Basidiomycetes.
- Puffball, as previously mentioned, also belongs to Basidiomycetes.
- **Conclusion**: This option is correct.

3. **Final Answer**:
- The correct answer is **Option 4: Bracket fungi and Puffball** as both belong to the Basidiomycetes class.