Domain Eukarya includes how many kingdoms (w.r.t. six kingdom system)?

Options

A. 2
B. 3
C. 1
D. 4

Answer

To determine how many kingdoms are included in the domain Eukarya according to the six-kingdom system, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Six Kingdom System**:
The six-kingdom classification system was proposed by Carl Woese. It categorizes life into six distinct kingdoms.

2. **Identify the Six Kingdoms**:
The six kingdoms are:
- Archaebacteria
- Eubacteria
- Protista
- Fungi
- Animalia
- Plantae

3. **Focus on Domain Eukarya**:
The domain Eukarya includes organisms that have eukaryotic cells. This means that their cells have a nucleus and other organelles.

4. **List the Kingdoms within Domain Eukarya**:
The kingdoms that fall under the domain Eukarya are:
- Protista
- Fungi
- Animalia
- Plantae

5. **Count the Kingdoms**:
By counting the kingdoms listed in the domain Eukarya, we find that there are four kingdoms.

### Final Answer:
Domain Eukarya includes **four kingdoms** (Protista, Fungi, Animalia, and Plantae) in the six-kingdom system.

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