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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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