The probaable first preshistoric man was :

Options

A. Ramapithecus
B. Homo habilis
C. Australopithecus
D. Sinanthropus

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for the probable first prehistoric man from the given options: Ramapithecus, Homo habilis, Australopithecus, and Synanthropus.

2. **Analyzing Each Option**:
- **Ramapithecus**: This is an early primate that lived around 12 to 8 million years ago and is not considered a direct ancestor of modern humans.
- **Homo habilis**: Lived approximately 1.9 to 2 million years ago and is known for having a larger brain size (550 to 650 cc) compared to earlier hominids. They are also recognized for using stone tools.
- **Australopithecus**: This genus existed around 4 to 2 million years ago but is considered more primitive than Homo habilis.
- **Synanthropus**: This is an outdated term that was once used to refer to early human-like species but is not widely accepted in modern classification.

3. **Identifying the First Prehistoric Man**: Among the options, Homo habilis is recognized as the first species of the genus Homo and is known for its tool-making abilities, which distinguishes it as a significant step in human evolution.

4. **Conclusion**: Based on the analysis, the probable first prehistoric man is **Homo habilis** (Option B).

**Final Answer**: Option B - Homo habilis

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