sign in sign up
<<
Home , Bob Kahn

Discover and Inventor

1. Who invented the “Electron”? A. Henry Cavendish B. Joseph John Thomson C. Rutherford D. James Sadwick Answer : B. Joseph John Thomson

2. Who invented the “Digital Computer”? A. W.H. Carrier B. C. Howard Aiken D. G. Marconi Answer : C. Howard Aiken

3. Who invented the “Refrigerator”? A. James Harrison B. Theodore Maiman C. G. Marconi D. Robert Fulton Answer : A. James Harrison

4. Who invented the “Barometer”? A. G. Marconi B. Henry Cavendish C. Robert Fulton D. Torricelli Answer : D. Torricelli

5. Who invented the "LED Light"? A. Nick Holonyack, Jr. B. Dr. Neil Arnott C. Frederick Banting D. Eugene Bowman Answer : A. Nick Holonyack, Jr.

6. Who invented the “”? A. Jack Castive B. Joseph Day C. Ellen Eglin D. Answer : D. Martin Cooper

7. Who invented “Hydrogen”? 1

A. Henry Cavendish B. Joseph John Thomson C. Rutherford D. James Sadwick Answer : A. Henry Cavendish

8. Who discovered “Neutron”? A. Henry Cavendish B. Joseph John Thomson C. Rutherford D. James Sadwick Answer : D. James Sadwick

9. Who invented the “Air Conditioner”? A. W.H. Carrier B. John Logie Baird C. Howard Aiken D. G. Marconi Answer : A. W.H. Carrier

10. Who invented “”? A. W.H. Carrier B. John Logie Baird C. Howard Aiken D. G. Marconi Answer : B. John Logie Baird

11. Who invented “”? A. W.H. Carrier B. John Logie Baird C. Howard Aiken D. G. Marconi Answer : D. G. Marconi

12. Who invented the “Laser”? A. James Harrison B. Theodore Maiman C. G. Marconi D. Robert Fulton Answer : B. Theodore Maiman

13. Who invented the “Submarine”? A. James Harrison B. Theodore Maiman C. G. Marconi D. Robert Fulton Answer : D. Robert Fulton 2

14. Who invented the “”? A. Arnold Orville Beckman B. Joseph Day C. D. Martin Cooper Answer : C. Alexander Graham Bell

15. Who invented “Insulin”? A. Charles Best B. Tim Berners-Lee C. Heinrich Barts D. Carl Benz Answer : A. Charles Best

16. Who invented the "Ball Point Pen"? A. Lucio Beanie B. Trevor Bayliss C. Ruth and Benerito D. Laszlo Biro Answer : D. Laszlo Biro

17. Who invented "Ethernet"? A. David Boggs B. Charles K. Bliss C. Charlie Booth D. Sam Born Answer : A. David Boggs

18. Who invented the "Thermo Flask"? A. Joseph Day B. James Dewar C. Philip Diehl D. Ray Dolby Answer : B. James Dewar

19. Who invented the "Ceiling Fan"? A. Fe del Mundo B. Miksa Deri C. Philip Diehl D. Ray Dolby Answer : C. Philip Diehl

20. Who invented the "CD"? A. Charles Dow B. Toshitada Doi 3

C. Ray Dolby D. Lee DeForest Answer : B. Toshitada Doi

21. Who invented the "Electric Motor"? A. John Herschel B. Richard J. Gatling C. Michael Faraday D. Bob Kahn Answer : C. Michael Faraday

22. Who invented the "Nuclear Reactor"? A. Enrico Fermi B. Anatol Josepho C. Gustav de Laval D. Georgi Nadjakov Answer : A. Enrico Fermi

23. Who invented the "Contact Lens"? A. Alfred Nobel B. A. G. Eugen Fick C. Sylvester Marsh D. Rudolf Kompfner Answer : B. A. G. Eugen Fick

24. Who invented "Penicillin"? A. Charles Fabry B. Ed Seymour C. Jacob Rabinow D. Alexander Fleming Answer : D. Alexander Fleming

25. Who invented the "Stamp"? A. Augustus Siebe B. Calvin Quate C. Rowland Hill D. Ted Nelson Answer : C. Rowland Hill

26. Who invented the "iPad"? A. Steve Kirsch B. Calvin Quate C. Rowland Hill D. Steve Jobs Answer : D. Steve Jobs Explanation : Steve Jobs's other discoveries are Apple Macintosh computer, iPod, iPhone. 4

27. Who invented the "Stethoscope"? A. René Laennec B. Calvin Quate C. Rowland Hill D. Steve Jobs Answer : A. René Laennec

28. Who invented the "Microscope"? A. B. Antoni van Leeuwenhoek C. Adolphe Sax D. Answer : B. Antoni van Leeuwenhoek

29. Who invented "Radiocarbon Dating"? A. Willard Frank Libby B. Franz San Galli C. Adolphe Sax D. Bernard Silver Answer : A. Willard Frank Libby

30. Who invented "Paper"? A. Ira Remsen B. C. D. Cai Lun Answer : D. Cai Lun

31. Who invented the "Waterproof Raincoat"? A. Augustus Siebe B. Calvin Quate C. Charles Macintosh D. Ted Nelson Answer : C. Charles Macintosh

32. Who invented the "Fire Extinguisher"? A. Alfred Nobel B. George William Manby C. Sylvester Marsh D. Rudolf Kompfner Answer : B. George William Manby

33. Who invented the "Periodic Table"? A. Joseph Day B. Dmitri Mendeleev C. Philip Diehl 5

D. Ray Dolby Answer : B. Dmitri Mendeleev

34. Who invented "Logarithms"? A. John Napier B. Anatol Josepho C. Gustav de Laval D. Georgi Nadjakov Answer : A. John Napier

35. Who invented "Dynamite"? A. John Herschel B. Richard J. Gatling C. lfred Nobel D. Bob Kahn Answer : C. lfred Nobel

36. Who invented the "Atomic Bomb"? A. Charles Dow B. J. R. Oppenheimer C. Ray Dolby D. Lee DeForest Answer : B. J. R. Oppenheimer

37. Who invented the "Calculator"? A. Fe del Mundo B. Miksa Deri C. Blaise Pascal D. Ray Dolby Answer : C. Blaise Pascal

38. Who invented the "Matchstick"? A. John Walker B. Tim Berners-Lee C. Heinrich Barts D. Carl Benz Answer : A. John Walker

39. Who invented “Remote Control”? A. James Harrison B. Nikola Tesla C. G. Marconi D. Robert Fulton Answer : B. Nikola Tesla

40. Who invented the "Steam Engine"? A. James Harrison 6

B. Theodore Maiman C. G. Marconi D. James Watt Answer : D. James Watt

41. Who invented the "Magnetic Tape"? A. Arnold Orville Beckman B. Joseph Day C. Fritz Pfleumer D. Martin Cooper Answer : C. Fritz Pfleumer

42. Who invented “Soda Water”? A. Henry Cavendish B. Joseph John Thomson C. Rutherford D. Joseph Priestley Answer : D. Joseph Priestley

43. Who invented the "Body Mass Index" (BMI)? A. Lucio Beanie B. Trevor Bayliss C. Ruth and Benerito D. Adolphe Quetelet Answer : D. Adolphe Quetelet

44. Who invented the “Plough”? A. James Harrison B. Charles Newbold C. G. Marconi D. Robert Fulton Answer : B. Charles Newbold

45. Who invented the "Canal"? A. Charles Best B. Tim Berners-Lee C. James Brindley D. Carl Benz Answer : C. James Brindley

46. Who invented “Programming Language - C”? A. Steve Jobs B. Bill Gates C. Dennis McAllister Ritchie D. James Gosling Answer : C. Dennis McAllister Ritchie

7

47. Who invented the "X-ray"? A. James Harrison B. Wilhelm Rontgen C. G. Marconi D. Robert Fulton Answer : B. Wilhelm Rontgen

48. Who invented the "Balloon"? A. James Harrison B. Nikola Tesla C. Michael Faraday D. Robert Fulton Answer : C. Michael Faraday

49. Who invented the “Oral Polio Vaccine”? A. Albert Sabin B. Nikola Tesla C. Charles Best D. Jonas Salk Answer : A. Albert Sabin

50. Who invented the “Injection Polio Vaccine”? A. Albert Sabin B. Nikola Tesla C. Charles Best D. Jonas Salk Answer : D. Jonas Salk

51. Who invented the "Airplane"? A. James Harrison B. Wright Brothers (Orville and Wilbur) C. G. Marconi D. Robert Fulton Answer : B. Wright Brothers (Orville and Wilbur)

52. Who invented the "Radiator"? A. Franz San Galli B. Tim Berners-Lee C. James Brindley D. Carl Benz Answer : A. Franz San Galli

53. Who invented the "Saxophone"? A. Logie Baird B. Adolphe Sax C. Howard Icon D. G. Marconi 8

Answer : B. Adolphe Sax

54. Who invented the " Oven"? A. Lucio Beanie B. Trevor Bayliss C. Percy Spencer D. Adolphe Quetelet Answer : C. Percy Spencer

55. Who invented the “Steam Locomotive”? A. James Harrison B. George Stephenson C. G. Marconi D. James Watt Answer : B. George Stephenson

56. Who invented the "Hydrogen Bomb"? A. Albert Sabin B. Nikola Tesla C. Charles Best D. Edward Teller Answer : D. Edward Teller

57. Who invented “Chromatography”? A. John Walker B. Tim Berners-Lee C. Mikhail Tsvet D. Carl Benz Answer : C. Mikhail Tsvet

58. Who invented the "MP3 Player"? A. Arnold Orville Beckman B. Tomislav Uzelac C. Fritz Pfleumer D. Martin Cooper Answer: B. Tomislav Uzelac

59. Who invented the "Electric Battery"? A. James Edison B. Nikola Tesla C. Michael Faraday D. Alessandro Volta Answer : D. Alessandro Volta

60. Who invented “Micro Neurosurgery”? A. Vinay Deshmukh B. Gazi Yasargil 9

C. Martin M. Henninger D. Domagoj Creek Answer : B. Gazi Yasargil

61. Who invented the “3D printer”? A. Albert Sabin B. Nikola Tesla C. Chuck Hull D. Jonas Salk Answer : C. Chuck Hull

62. Who invented "Aspirin"? A. Albert Sabin B. Jonas Salk C. Felix Hoffmann D. Alexander Fleming Answer : C. Felix Hoffmann

63. Who invented the "Adhesive Tape"? A. Richard G. Drew B. Tomislav Uzelac C. Fritz Pfleumer D. Martin Cooper Answer : A. Richard G. Drew

64. Who invented the "Bifocal Lens"? A. Benjamin Franklin B. Domagoj Creek C. Felix Hoffman D. Alexander Fleming Answer : A. Benjamin Franklin

65. Who discovered the "Blood Group"? A. Martin M. Henninger B. Gazi Yasargil C. Karl Lansdsteiner D. Domagoj Creek Answer : C. Karl Lansdsteiner

66. Who invented "Tyres"? A. Lucio Beanie B. Trevor Bayliss C. Ruth and Benerito D. John Dunlop Answer : D. John Dunlop

67. Who invented "Celluloid"? 10

A. Albert Sabin B. Jonas Salk C. Alexander Parkes D. Felix Hoffman Answer : C. Alexander Parkes

68. Who invented "Plastic"? A. Alexander Parkes B. Nikola Tesla C. Charles Best D. Edward Teller Answer : A. Alexander Parkes

69. Who discovered the "Circulation of Blood"? A. William Harvey B. Gazi Yasargil C. Karl Lansdsteiner D. Domagoj Creek Answer : A. William Harvey

70. Who invented the "Mechanical Clock"? A. Lucio Beanie B. Trevor Bayliss C. Percy Spencer D. Yi Xing Answer : D. Yi Xing

71. Who invented the “Diesel Engine”? A. James Harrison B. George Stephenson C. Rudolph Diesel D. James Watt Answer : C. Rudolph Diesel

72. Who invented the "Centigrade Scale"? A. Benjamin Franklin B. Domagoj Creek C. Felix Hoffman D. Anders Celsius Answer : D. Anders Celsius

73. Who discovered "Chlorine"? A. Henry Cavendish B. Joseph John Thomson C. Carl Wilhelm Scheele D. James Sadwick Answer : C. Carl Wilhelm Scheele 11

74. Who invented "Fan"? A. Skaats Wheeler B. Tomislav Uzelak C. Fritz Pfleumer D. Martin Cooper Answer : A. Skaats Wheeler

75. Who invented the “Helicopter”? A. James Harrison B. Wright Brothers (Orville and Wilbur) C. Igor Sikorsky D. Robert Fulton Answer : C. Igor Sikorsky

76. Who invented the “Piano”? A. Arnold Orville Beckman B. Tomislav Uzelac C. Fritz Pfleumer D. Bartolomeo Cristofori Answer : D. Bartolomeo Cristofori

77. Who invented the "Printing Press"? A. Johannes Gutenberg B. Domagoj Creek C. Felix Hoffman D. Alexander Fleming Answer : A. Johannes Gutenberg

78. Who discovered "Radium"? A. William Harvey B. Gazi Yasargil C. Marie Curie and Pierre Curie D. Domagoj Creek Answer : C. Marie Curie and Pierre Curie

79. Who invented the "Rocket Engine"? A. James Harrison B. Wright Brothers (Orville and Wilbur) C. Igor Sikorsky D. Robert Goddard Answer : D. Robert Goddard

80. Who invented the "Richter Scale"? A. Benjamin Franklin B. Charles Richter C. Felix Hoffman 12

D. Anders Celsius Answer : B. Charles Richter

81. Who invented the "Synthesizer"? A. Robert Arthur Moog B. Tomislav Uzelac C. Fritz Pfleumer D. Bartolomeo Cristofori Answer : A. Robert Arthur Moog

82. Who invented the “Theory of Evolution”? A. William Harvey B. Baptist Lamarck C. Carl Lansdsteiner D. Charles Darwin Answer : D. Charles Darwin

83. Who invented the "Xerox Machine"? A. Johannes Gutenberg B. Chester Carlson C. Felix Hoffman D. Alexander Fleming Answer : B. Chester Carlson

84. Who invented the “Hand Sanitizer”? A. Lupe Hernandez B. Mary Jane Sicol C. Dorothy Dix D. Mary Eliza Mahoney Answer : A. Lupe Hernandez

85. What is the name of the inventor of “WWW”? [A] Bill Gates [B] N. Russell [C] Li N. Fiang [D] Tim Berners-Lee Answer : [D] Tim Berners-Lee

86. Who invented "Java"? A. Dennis Rich B. Patrick Nofton C. D. James Gosling Answer : D. James Gosling

87. Who invented ""? A. Martin Cooper 13

B. Jaap Haartsen C. Steve Jobs D. Samuel Alderson Answer : B. Jaap Haartsen

88. Who invented the "keyboard"? A. James Gosling B. Martin Cooper C. Christopher Latham Sholes D. Steve Jobs Answer : C. Christopher Latham Sholes

89. Who invented the C ++ language? A. Steve Jobs B. James Gosling C. D. Dennis Ritchie Answer : C. Bjarne Stroustrup

90. Who invented the "Fountain Pen"? A. Johannes Gutenberg B. Chester Carlson C. Felix Hoffman D. Lewis Waterman Answer : D. Lewis Waterman

91. Who invented the "Electroscope"? A. Lucio Beanie B. Jean Nollet C. Percy Spencer D. Yi Xing Answer : B. Jean Nollet

92. Who invented "Band Aid"? A. Albert Sabin B. Nikola Tesla C. Earle Dickson D. Jonas Salk Answer : C. Earle Dickson

93. Who invented "Basketball"? A. James Naismith B. Chester Carlson C. Felix Hoffman D. Alexander Fleming Answer : A. James Naismith

14

94. Who invented “Braille for the Blind”? A. Charles Best B. Louis Braille C. Heinrich Barts D. Carl Benz Answer : B. Louis Braille

95. Who invented the "Bunsen Burner"? A. Robert Arthur Moog B. Tomislav Uzelac C. Robert Wilhelm Bunsen D. Bartolomeo Cristofori Answer : C. Robert Wilhelm Bunsen

96. Who invented the "Neck Tie"? A. Scots Wheeler B. Tomislav Uzelac C. Fritz Pfleumer D. Jesse Langsdorf Answer : D. Jesse Langsdorf

97. Who invented the "Electric Bulb"? A. Franz San Galli B. C. James Brindley D. Carl Benz Answer : B. Thomas Edison

98. Who invented the "Vacuum Pump"? A. Johannes Gutenberg B. Chester Carlson C. Felix Hoffman D. Otto von Guericke Answer : D. Otto von Guericke

99. Who invented the "Geometric Compass"? A. Galileo Galilei B. Charles Richter C. Felix Hoffman D. Anders Celsius Answer : A. Galileo Galilei

100. Who invented the "Crescograph"? A. James Harrison B. Nikola Tesla C. D. Robert Fulton 15

Answer : C. Jagadish Chandra Basu

101. Watson & Creek are famous for what discovering? A. Life history of Plasmodium vivax B. Vaccinia C. Structure of DNA D. Antibody Answer : C. Structure of DNA Explanation : In 1953, James Watson and Francis Crick began a new chapter in modern molecular biology by discovering the double helix structure of DNA.

102. Who invented the "Hard Disk Drive"? A. Oleg Losev B. Reynold B. Johnson C. Dmitri Mendeleev D. Steve Jobs Answer : B. Reynold B. Johnson

103. Who invented "Cornflake Breakfasts"? A. Nikola Tesla B. John Walker C. John Harvey Kellogg D. Tivadar Puskás Answer : C. John Harvey Kellogg

104. Who invented the Windows operating system? A. Dennis Ritchie B. Linus Torvalds C. Bill Gates D. Steve Jobs Answer : C. Bill Gates

105. Who invented "Karaoke machine"? A. Reynold B. Johnson B. Daisuke Inoue C. Steve Jobs D. Ted Nelson Answer : B. Daisuke Inoue

16