Term plasmid was given by :-

Options

A. Lederberg
B. Zinder
C. Linnaeus
D. Griffth

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks who first coined the term "plasmid." It provides four options: Lederberg, Zinder, Linnaeus, or Griffith.

2. **Defining Plasmids**: Before identifying the person who coined the term, it is important to understand what plasmids are. Plasmids are small, circular, double-stranded DNA molecules that are distinct from chromosomal DNA and can replicate independently within a cell.

3. **Identifying the Scientist**: The term "plasmid" was first introduced by the scientist Joshua Lederberg in 1952. He was a prominent microbiologist known for his work in genetics.

4. **Analyzing the Options**: Now, we can evaluate the options given in the question:
- **Lederberg**: Coined the term plasmid.
- **Zinder**: Known for his work in bacteriophage genetics but did not coin the term.
- **Linnaeus**: A botanist known for the classification of organisms, not related to plasmids.
- **Griffith**: Known for the Griffith experiment related to bacterial transformation but did not coin the term.

5. **Conclusion**: Based on the information, the correct answer is **Lederberg**.

**Final Answer**: The term plasmid was given by **Lederberg**.

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