Who for the first time classified organisms on the basis of scientific approach ?

Options

A. Aristotle
B. Linnaeus
C. Whittaker
D. Pasteur

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks who was the first to classify organisms using a scientific approach.

2. **Identifying the Options**: The options provided include notable figures in biology and classification, such as Aristotle, Linnaeus, Whittaker, and Pasteur.

3. **Analyzing Aristotle's Contribution**: Aristotle, a Greek philosopher, is recognized for being one of the first to classify living organisms. He did this over 2,000 years ago and categorized them into two main groups: plants and animals.

4. **Evaluating Other Options**:
- **Linnaeus**: Known as the father of taxonomy, he developed a system for naming organisms (binomial nomenclature) but came after Aristotle.
- **Whittaker**: Introduced the five-kingdom classification system, which also came after Aristotle.
- **Pasteur**: Known for his work in microbiology and vaccines, not classification.

5. **Conclusion**: Based on the analysis, Aristotle is indeed the first individual to classify organisms using a scientific approach.

**Final Answer**: The first person to classify organisms on the basis of a scientific approach was Aristotle.

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