According to "Carl Woese" archaebacteria belong to domain:-

Options

A. Monera
B. Protista
C. Plantae
D. Archaea

Answer

**Step-by-Step Solution:**

1. **Understanding the Classification System**: Begin by recognizing that Carl Woese proposed a classification system that divides all living organisms into three domains: Archaea, Eubacteria, and Eukaryota.

2. **Identifying Archaebacteria**: Archaebacteria are a group of primitive bacteria that are distinct from true bacteria (Eubacteria). They are characterized by the presence of 16S ribosomal RNA.

3. **Domain Assignment**: According to Woese, Archaebacteria are placed in the domain called Archaea. This domain is specifically for these primitive bacteria.

4. **Eliminating Incorrect Options**:
- **Monera**: This kingdom includes Eubacteria, not Archaebacteria.
- **Protista**: This kingdom consists of unicellular eukaryotes, which does not include Archaebacteria.
- **Plantae**: This kingdom is for multicellular eukaryotes and does not include Archaebacteria.

5. **Conclusion**: The only correct domain for Archaebacteria, according to Carl Woese, is **Archaea**.

**Final Answer**: Archaebacteria belong to the domain **Archaea** (Option 4).

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