Which one does not belong to Monera?

Options

A. archaebacteria
B. slime mould
C. eubacteria
D. mycoplasma

Answer

To determine which option does not belong to the Monera kingdom, we will analyze each option provided:

1. **Archaebacteria**:
- Archaebacteria are a group of microorganisms that are known as primitive bacteria. They are classified under the kingdom Monera because they are prokaryotic organisms.
- **Conclusion**: Belongs to Monera.

2. **Slime Mold**:
- Slime molds are not bacteria; they are classified under the kingdom Protista. They are eukaryotic organisms and do not fit the characteristics of Monera, which consists of prokaryotic organisms.
- **Conclusion**: Does not belong to Monera.

3. **Eubacteria**:
- Eubacteria are the true bacteria and are also classified under the kingdom Monera. They are prokaryotic and include a wide variety of bacteria.
- **Conclusion**: Belongs to Monera.

4. **Mycoplasma**:
- Mycoplasma are the smallest bacteria and are classified under the kingdom Monera. They are prokaryotic and are known as pleuropneumonia-like organisms (PPLO).
- **Conclusion**: Belongs to Monera.

Based on the analysis, the option that does not belong to the Monera kingdom is **B. Slime Mold**.

### Step-by-Step Solution:
1. Identify the options: Archaebacteria, Slime Mold, Eubacteria, Mycoplasma.
2. Analyze each option to determine if it belongs to the Monera kingdom.
3. Conclude that Archaebacteria, Eubacteria, and Mycoplasma belong to Monera.
4. Identify that Slime Mold belongs to the kingdom Protista and does not belong to Monera.
5. Final answer: **B. Slime Mold does not belong to Monera.**