Inventions and Discoveries Questions and Answers | Online Quiz for Practice

Inventions and Discoveries MCQ Questions for Practice

46. Typewriter was invented by

47. Roentgen discovered

48. Electric bulb was invented by

49. Who discovered Pasteurization, Vaccine for Rabies

50. Aeroplane was discovered by

51. Penicillin was invented by

52. Who invented the Railway Engine

53. Radar was invented by

54. Polio Vaccine (Oral) was invented by

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Multiple Choice Questions and Answers on Inventions and Discoveries

Inventions and Discoveries Multiple Choice Questions and Answers

Inventions and Discoveries Trivia Quiz

Inventions and Discoveries Question and Answer PDF Online