Modern system of classification divides organisms into Kingdoms

Options

A. 1
B. 2
C. 4
D. 5

Answer

### Step-by-Step Solution:

1. **Understanding the Question**: The question asks how many kingdoms are present in the modern system of classification.

**Hint**: Think about the classification systems that have been proposed over time and their key features.

2. **Identifying the Classification System**: The modern system of classification that we are referring to was proposed by Robert Whittaker in 1969.

**Hint**: Remember the name of the scientist who introduced the five-kingdom classification.

3. **Listing the Five Kingdoms**: According to Whittaker's classification, the five kingdoms are:
- Monera
- Protista
- Fungi
- Plantae
- Animalia

**Hint**: Try to recall the characteristics that differentiate these kingdoms from one another.

4. **Understanding the Basis of Classification**: The organisms in these kingdoms are classified based on various characteristics such as:
- Cell structure (prokaryotic vs. eukaryotic)
- Complexity of the organism
- Mode of nutrition (autotrophic vs. heterotrophic)
- Reproductive methods

**Hint**: Consider what features are most important in distinguishing one kingdom from another.

5. **Conclusion**: Therefore, the modern system of classification divides organisms into **5 kingdoms**.

**Hint**: Confirm your answer by reviewing the options provided in the question.

### Final Answer:
The correct answer is **5**.