The human sperm was first discovered by :-

Options

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

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks about the individual who first discovered human sperm. This requires knowledge of historical figures in biology and their contributions.

2. **Identifying the Options**: The options provided are:
- A) von Beyer
- B) Leuvenhoek
- C) Robert Hooke
- D) Darwin

3. **Recalling Historical Discoveries**: To answer the question, we need to recall who among these scientists is known for discovering human sperm.

4. **Researching the Correct Answer**:
- Anton van Leeuwenhoek is known for his work in microscopy and is credited with the first observation of sperm cells in 1678.
- He initially thought that sperm were small animals (which he referred to as "animalcules").

5. **Confirming the Answer**: Based on historical records, the correct answer to the question is B) Leuvenhoek, as he was the first to discover human sperm.

6. **Final Answer**: The human sperm was first discovered by Anton van Leeuwenhoek in 1678.

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