Poisonous mushrooms are popularly called

Options

A. Puff Balls
B. Toad Stools
C. Bracket fungi
D. Sponge Mushrooms

Answer

### Step-by-Step Solution:

1. **Understanding the Question**: The question asks for the common name given to poisonous mushrooms.

2. **Identifying Options**: The options provided are:
- Puffballs
- Toadstools
- Bracket fungi
- Sponge mushrooms

3. **Analyzing Each Option**:
- **Puffballs**: These mushrooms are known for their high nutritional content and are edible, thus not poisonous.
- **Toadstools**: These are specifically known as the spore-bearing fruit bodies of fungi and are recognized for their potential to cause poisoning, known as toadstool poisoning. They are indeed poisonous.
- **Bracket fungi**: These fungi are often found on trees and are known for their medicinal properties. They are not poisonous.
- **Sponge mushrooms**: These are rich in minerals and vitamins and are also edible, hence not poisonous.

4. **Conclusion**: After analyzing the options, it is clear that the only option that represents poisonous mushrooms is **toadstools**.

5. **Final Answer**: Poisonous mushrooms are popularly called **toadstools**.