Famous Discoveries and Inventions Online Test General Knowledge (Updated)

Maan AliLast Updated: May 4, 2026

General Knowledge
 World GK

Topic
 Famous Discoveries and Inventions

Test Name
 Famous Discoveries and Inventions Test Online

Test Type
 MCQs Test

Total Questions
 100 MCQs

Time Allowed
 60 Minutes

Note: After checking the correct answer, make sure to read the explanation for a better and deeper understanding.

Throughout history, scientists, inventors, and thinkers have transformed the world through groundbreaking discoveries and inventions. From Alexander Fleming’s accidental discovery of Penicillin to Tim Berners-Lee’s invention of the World Wide Web, these achievements have shaped the way we live, communicate, and understand the universe. Having a solid knowledge of famous discoveries and inventions is essential for students and competitive exam candidates, as questions on this topic appear regularly in annual exams, entry tests, NTS, PPSC, FPSC, CSS, PMS, and general knowledge interviews. This online test on the List of Famous Discoveries and Inventions of Scientists covers 100 carefully selected MCQs across all major fields including medicine, physics, chemistry, biology, technology, astronomy, and mathematics. Each question comes with a detailed explanation so you not only practice but also learn the facts behind every answer. Attempt this test regularly to strengthen your general knowledge and boost your exam preparation.

Famous Discoveries and Inventions Online Test General Knowledge (Updated)

1. Who invented the air conditioner?

2. Who invented the transistor?

3. Which scientist first observed ultraviolet rays?

4. Who invented the calculator?

5. Who discovered the photoelectric effect?

6. Who discovered the cause of tuberculosis?

7. Who invented the hydrogen bomb?

8. Who invented the laser?

9. Who invented the pneumatic tyre?

10. Who discovered how to vulcanize rubber?

11. Who invented the ballpoint pen?

12. Who invented the parking meter?

13. Who invented the refrigerator?

14. Streptomycin was discovered by?

15. Who invented Optical fiber?

16. Who invented the sewing machine?

17. Who received the Nobel Prize for unraveling the helical structure of proteins?

18. Which scientist invented Nylon?

19. Who discovered the blood groups of man?

20. Who discovered the Milky Way is a galaxy?

21. Who discovered the laws of heredity (genetics)?

22. Who invented the steam locomotive?

23. Who invented the practical steam engine?

24. Who invented the diesel engine?

25. Who discovered the laws of thermodynamics?

26. Who is credited with the discovery of oxygen?

27. Who invented the submarine?

28. Who discovered the first antibiotic (before penicillin)?

29. Who invented the telephone?

30. Who invented the integrated circuit (IC)?

31. Who is called the father of the Internet?

32. Who invented the Jet engine?

33. Who invented the microwave oven?

34. Who invented the printing press?

35. Who invented the vaccination concept (first ever vaccine)?

36. Who discovered the Doppler effect?

37. Who invented the washing machine?

38. Who discovered the cause of malaria?

39. Who discovered the neutron?

40. Who discovered the circulation of blood?

41. Who discovered the ozone layer?

42. Who invented Cellophane?

43. Who invented the electric light bulb?

44. Who discovered the Higgs boson particle?

45. The theory of mutation was proposed by?

46. Who invented the lift (elevator)?

47. Who discovered the planet Pluto?

48. Who invented logarithms?

49. Who invented the aeroplane?

50. Who discovered the planet Uranus?

51. Who discovered the law of gases (Boyle's Law)?

52. Who invented the photographic process (photography)?

53. Who invented the electric telegraph?

54. Who invented the parachute?

55. Who invented the hovercraft?

56. Who invented the radio?

57. Who discovered the law of buoyancy (Archimedes' Principle)?

58. Who discovered the smallpox vaccine?

59. Who discovered the law of universal gravitation?

60. Who discovered X-rays?

61. Who discovered the moons of Jupiter?

62. Who discovered the double helix structure of DNA?

63. Who invented Velcro?

64. Who discovered the structure of the atom?

65. The wonder drug Penicillin was discovered by?

66. Who discovered quantum theory?

67. Who invented the Microprocessor?

68. Who discovered antiseptic surgery?

69. Who invented the barometer?

70. Who discovered the chemical composition of water (H2O)?

71. Who discovered the laws of planetary motion?

72. Who invented the thermometer?

73. Who discovered the law of electrolysis?

74. Which of the following was invented by King Camp Gillette?

75. Who invented the motorcycle?

76. Who invented the escalator?

77. Who discovered electromagnetic induction?

78. Who invented the gramophone (phonograph)?

79. Who discovered the principle of conservation of mass?

80. Who invented the zipper?

81. Who is considered the father of the computer?

82. Who invented the World Wide Web?

83. Who discovered the planet Neptune?

84. Who invented the pacemaker?

85. Who invented the battery?

86. Who invented the contact lens?

87. Who invented the safety pin?

88. Who discovered the noble gases?

89. Who discovered the law of attraction and repulsion between electric charges?

90. Who discovered the electron?

91. Who invented the telescope?

92. Who proposed the theory of relativity?

93. Who invented the Hubble Space Telescope?

94. Who discovered the law of conservation of energy?

95. Who discovered the proton?

96. Who discovered the big bang theory?

97. Who invented the electric motor?

98. Who invented the Polio Vaccine (Oral)?

99. What did Madam Curie discover?

100. Who invented dynamite?

101. Who invented the television?


 

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Maan AliLast Updated: May 4, 2026

Maan Ali

Hey there! I'm Maan Ali, your online test prep pal. Join me in the adventure of acing exams with ease. I'll share tricks, practice tests, and all you need to rock your studies. Let's make learning fun and success a sure thing!
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