Which pair of the following belongs to Basidiomycetes ?

Options

A. Sac fungi and mushrooms
B. Bracket fungi and puffballs .
C. Morels and smuts
D. Puffballs and Claviceps

Answer

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

### Step 1: Understand Basidiomycetes
Basidiomycetes, also known as club fungi, are a class of fungi characterized by their reproductive structure called a basidium. Common examples include mushrooms, puffballs, and bracket fungi.

### Step 2: Analyze the Options
We will go through each option provided in the question.

#### Option 1: Sack fungi and mushroom
- **Mushroom**: This is a well-known example of Basidiomycetes.
- **Sack fungi**: This refers to Ascomycetes, which is a different class of fungi.
- **Conclusion**: This option is incorrect.

#### Option 2: Bracket fungi and puffballs
- **Bracket fungi**: These are shelf-like fungi that belong to Basidiomycetes.
- **Puffballs**: These are also classified under Basidiomycetes and are known for their spore dispersal mechanism.
- **Conclusion**: This option is correct.

#### Option 3: Morels and smuts
- **Morels**: These belong to Ascomycetes, not Basidiomycetes.
- **Smut**: This is a type of fungus that belongs to Basidiomycetes.
- **Conclusion**: This option is incorrect.

#### Option 4: Puffballs and claviceps
- **Puffballs**: As established, these belong to Basidiomycetes.
- **Claviceps (ergot fungus)**: This is known to be Ascomycetes and is toxic.
- **Conclusion**: This option is incorrect.

### Final Answer
The correct pair that belongs to Basidiomycetes is **bracket fungi and puffballs**.

---