Important Scientific Discoveries and Their Impact MCQs

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1. : Who discovered the law of gravity?



2. : What major discovery is Alexander Fleming known for?



3. : Which scientist is credited with discovering the structure of DNA?



4. : What was the impact of the discovery of penicillin?



5. : Who invented the telephone?



6. : What was Albert Einstein’s major scientific contribution?



7. : What is the significance of the discovery of X-rays?



8. : Who is credited with the discovery of the vaccine for smallpox?



9. : What impact did the discovery of vaccines have on public health?



10. : Who discovered the electron?



11. : What was the impact of the discovery of the electron?



12. : Who invented the light bulb?



13. : What was the impact of the invention of the light bulb?



14. : Who discovered radioactivity?



15. : Which scientific discovery led to the development of nuclear energy?



16. : What is the significance of the discovery of antibiotics?



17. : Who discovered the circulation of blood?



18. : What was the impact of discovering blood circulation?



19. : Who is known for discovering the vaccine for polio?



20. : What impact did the polio vaccine have globally?



21. : Who discovered the law of electromagnetic induction?



22. : What impact did the discovery of electromagnetic induction have?



23. : Who invented the first successful airplane?



24. : What was the impact of the invention of the airplane?



25. : Who discovered the principle of vaccination?



26. : What was the impact of the discovery of the vaccine principle?



27. : Who invented the first practical steam engine?



28. : What was the impact of the steam engine invention?



29. : Who proposed the theory of evolution by natural selection?



30. : What was the impact of Darwin’s theory of evolution?



31. : Who discovered the germ theory of disease?



32. : What was the impact of the germ theory of disease?



33. : Who discovered the cosmic microwave background radiation?



34. : What was the impact of discovering cosmic microwave background radiation?



35. : Who discovered the periodic table of elements?



36. : What was the impact of the periodic table?



37. : Who invented the microscope?



38. : What was the impact of the invention of the microscope?



39. : Who discovered radio waves?



40. : What was the impact of discovering radio waves?



41. : Who discovered the vaccine for rabies?



42. : What impact did the invention of the rabies vaccine have?



43. : Who discovered the neutron?



44. : What was the impact of discovering the neutron?



45. : Who discovered insulin?



46. : What impact did the discovery of insulin have?



47. : Who discovered the first antibiotic?



48. : What impact did antibiotics have on medicine?



49. : Who discovered radioactivity in uranium?



50. : What impact did the discovery of radioactivity have on science?



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