In the five kingdom system of Whittaker, how many kingdoms are eukaryotes ?

Explanation

### Step-by-Step Solution:

1. **Understanding the Five Kingdom System**: The five kingdom classification system was proposed by R.H. Whittaker. It includes the kingdoms Monera, Protista, Fungi, Plantae, and Animalia.

2. **Identifying Eukaryotic Kingdoms**: In this classification, we need to identify which of these kingdoms consist of eukaryotic organisms. Eukaryotes are organisms that have a well-defined nucleus and membrane-bound organelles.

3. **Listing the Eukaryotic Kingdoms**:
- **Kingdom Protista**: This kingdom includes unicellular and simple multicellular organisms.
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