The human sperm was first discovered by :-

Options

A. Von Baer
B. Leeuwenhock
C. Robert hook
D. Darwin

Answer

**Step-by-Step Solution:**

1. **Identify the Question**: The question asks who first discovered human sperm.

2. **Review the Options**: The options given are:
- a) von Bayer
- b) Leeuwenhoek
- c) Robert Hooke
- d) Darwin

3. **Analyze Each Option**:
- **von Bayer**: Known for his work in embryology, particularly the study of embryos in various vertebrates, not specifically for discovering sperm.
- **Leeuwenhoek**: He is credited with the first discovery of human sperm in 1677. He referred to these cells as "animalcules" and used a microscope for his observations.
- **Robert Hooke**: Famous for his discovery of cells, but not specifically for sperm.
- **Darwin**: Associated with the theory of evolution and natural selection, not with the discovery of sperm.

4. **Conclusion**: Based on the analysis, the correct answer is **b) Leeuwenhoek**, as he was the first to discover human sperm.

5. **Final Answer**: The human sperm was first discovered by **Leeuwenhoek** in 1677.

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