Answer» Correct Answer - Option 1 : C
The correct answer is C. - The Polio vaccine was discovered by Jonas Salk.
- Polio is an infectious disease caused mainly by the poliovirus in young children.
- On April 12 in 1955, Doctor Jonas Salk had declared polio prevention medicine safe and presented it to the world.
| Famous Scientist and Their Contribution | | Scientist | Contribution | | Issac Newton | Law of universal gravitation, Laws of motion, The law of binomial theorem. | | Albert Einstein | Special and general theories of relativity, Explanation of the photoelectric effect. | | Marie Curie | Radioactivity, Purification of radium, and the discovery of polonium. |
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