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MCQOPTIONS
This section includes 195 Mcqs, each offering curated multiple-choice questions to sharpen your Inventions knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
Computer (personal)- |
| A. | Ted hoff |
| B. | Tim berners lee |
| C. | J.h. van tassel |
| D. | Steve wozniak |
| Answer» E. | |
| 52. |
Fountain Pen Invented by ? |
| A. | John la farge |
| B. | Lewis e. waterman |
| C. | Tokuji hayakawa |
| D. | None of these |
| Answer» C. Tokuji hayakawa | |
| 53. |
Who amongst the following Won Nobel prize for inventing Vitamin K ? |
| A. | E.c kendall |
| B. | Doisy & dam |
| C. | Carl linnaeus |
| D. | None of these |
| Answer» C. Carl linnaeus | |
| 54. |
Radio valve was invented by |
| A. | Adolph rickenbacker |
| B. | Dr. wallace h. carothers |
| C. | Christopher cockerell |
| D. | David brewster |
| Answer» C. Christopher cockerell | |
| 55. |
Electron was invented by |
| A. | J.j thomson |
| B. | Ernest rutherford |
| C. | James chadwick |
| D. | Werner heisenberg |
| Answer» B. Ernest rutherford | |
| 56. |
Who invented Telegraph? |
| A. | Marcony |
| B. | Samuel morse |
| C. | Edward jenner |
| D. | Alexander graham bell |
| Answer» C. Edward jenner | |
| 57. |
Napier invented what ? |
| A. | Glider |
| B. | Radio telegraphy |
| C. | Logarithms |
| D. | Quantum theeory |
| Answer» D. Quantum theeory | |
| 58. |
James Chadwick discovered |
| A. | Atom |
| B. | Neutron |
| C. | Electron |
| D. | Proton |
| Answer» C. Electron | |
| 59. |
W. Harvey discovered by |
| A. | Laws of heredity |
| B. | Laws of heredity |
| C. | Circulation of blood |
| D. | Dynamite |
| Answer» D. Dynamite | |
| 60. |
Crescograph is an instrument to record |
| A. | The age of star |
| B. | Age of earth |
| C. | Plant growth |
| D. | None of these |
| Answer» D. None of these | |
| 61. |
Air conditioner was discovered by |
| A. | Wilson |
| B. | Edison |
| C. | Roentgen |
| D. | Carrier |
| Answer» E. | |
| 62. |
Who discovered oxygen? |
| A. | Swinton |
| B. | Lavoisier |
| C. | Joseph priestley |
| D. | Dalton |
| Answer» D. Dalton | |
| 63. |
Revolver discovered by |
| A. | Bushwell |
| B. | Daimler |
| C. | Colt |
| D. | Mercafter |
| Answer» D. Mercafter | |
| 64. |
The theory of Evolution was produced by |
| A. | Newton |
| B. | Einstein |
| C. | Mendel |
| D. | Drawin |
| Answer» E. | |
| 65. |
Inert gases were discovered by |
| A. | Roentgen |
| B. | Ramsay |
| C. | Dalton |
| D. | Newton |
| Answer» C. Dalton | |
| 66. |
Roentgen discovered |
| A. | Anti polio vaccine |
| B. | Electrocardiograph |
| C. | X-rays |
| D. | Encephalograph |
| Answer» D. Encephalograph | |
| 67. |
Cinematography was invented by |
| A. | Graham bell |
| B. | Edison |
| C. | Faraday |
| D. | Zeiss |
| Answer» C. Faraday | |
| 68. |
Landstrom invented |
| A. | Gas engine |
| B. | Metallurgy |
| C. | Safety match |
| D. | None of these |
| Answer» D. None of these | |
| 69. |
Who invented Radar? |
| A. | Max planck |
| B. | Humphrey davy |
| C. | Henrey backquerel |
| D. | Robert watson watt |
| Answer» E. | |
| 70. |
Atomic theory was devised by |
| A. | John dalton |
| B. | Daimler |
| C. | Mosley |
| D. | None of these |
| Answer» B. Daimler | |
| 71. |
Radioactivity was discovered by |
| A. | Henry bacquerel |
| B. | Karl landsteiner |
| C. | Edward o. wilson |
| D. | Konrad lorenz |
| Answer» B. Karl landsteiner | |
| 72. |
The cause of Beri Beri was discovered by |
| A. | Alexanderson |
| B. | Eijkman |
| C. | Cockrell |
| D. | Macmillan |
| Answer» C. Cockrell | |
| 73. |
Electrons were discovered by |
| A. | J.j.thompson |
| B. | Roentgen |
| C. | Edison |
| D. | Roentgen |
| Answer» B. Roentgen | |
| 74. |
Who designed the city Chandigarh? |
| A. | Colt |
| B. | Ferdinand de lesseps |
| C. | Nasser |
| D. | Le corbusier |
| Answer» E. | |
| 75. |
Who designed Suez Canal? |
| A. | Ferdinand de lesseps |
| B. | Le corbusier |
| C. | Nasser |
| D. | None of these |
| Answer» B. Le corbusier | |
| 76. |
The electro-cardiograph was invented by |
| A. | William einthoven |
| B. | B. f. goodrich |
| C. | Gottlieb daimler |
| D. | Karl benz |
| Answer» B. B. f. goodrich | |
| 77. |
Helicopter was invented by |
| A. | Copernicus |
| B. | Broquet |
| C. | Drinker |
| D. | None of these |
| Answer» C. Drinker | |
| 78. |
Blood Circulation was discovered by |
| A. | William harvey |
| B. | Alexander fleming |
| C. | Louis |
| D. | None of these |
| Answer» B. Alexander fleming | |
| 79. |
Which famous inventor ranks second in the number of patents registered? |
| A. | Edwin land |
| B. | Thomas alva edison |
| C. | James watt |
| D. | Albert einstein |
| Answer» B. Thomas alva edison | |
| 80. |
Typewriter was invented by |
| A. | Louis |
| B. | Shockley |
| C. | Howe |
| D. | Sholes |
| Answer» E. | |
| 81. |
Bushwell invented |
| A. | Atomic bomb |
| B. | Aircraft |
| C. | Submarine |
| D. | Urey |
| Answer» D. Urey | |
| 82. |
Stethoscope was invented by |
| A. | Colt |
| B. | Bessemer |
| C. | Henry becquarrel |
| D. | Rane laennec |
| Answer» E. | |
| 83. |
Analytical Engine was invented by |
| A. | Charles babbage |
| B. | Daimler |
| C. | Dewar |
| D. | None of these |
| Answer» B. Daimler | |
| 84. |
Who invented logarithms? |
| A. | Amundson |
| B. | John napier |
| C. | Mandeleef |
| D. | Shockley |
| Answer» C. Mandeleef | |
| 85. |
Which group invented and developed the early Internet? |
| A. | The soviet union |
| B. | The u.s. government |
| C. | The united nations |
| D. | The european union |
| Answer» C. The united nations | |
| 86. |
Fax machine was invented by |
| A. | Bain |
| B. | Daimler |
| C. | Dewar |
| D. | None of these |
| Answer» B. Daimler | |
| 87. |
Vulcanised rubber was invented by |
| A. | J.e. lundstrom |
| B. | William stockes |
| C. | Charles goodyear |
| D. | Sir joseph swann |
| Answer» D. Sir joseph swann | |
| 88. |
Penicillin was invented by Fleming in the year |
| A. | 1956 |
| B. | 1917 |
| C. | 1935 |
| D. | 1929 |
| Answer» E. | |
| 89. |
Safety matches was invented by |
| A. | Peter goldmark |
| B. | Levi strauss |
| C. | J.e. lundstrom |
| D. | Benjamin franklin |
| Answer» D. Benjamin franklin | |
| 90. |
Microscope was invented by |
| A. | Robert recorde |
| B. | Hermann fottinger |
| C. | Aaton van leewen hock |
| D. | William oughtred |
| Answer» D. William oughtred | |
| 91. |
Telegrahic code was introduced by |
| A. | Macmillan |
| B. | Lipman |
| C. | Cockrell |
| D. | Thomas moore |
| Answer» E. | |
| 92. |
D.D.T. was invented by |
| A. | Joseph lister |
| B. | John dalton |
| C. | Rudolf |
| D. | Paul muller |
| Answer» E. | |
| 93. |
Toricelli invented |
| A. | Barometer |
| B. | Automobile |
| C. | Stethoscope |
| D. | Microscope |
| Answer» B. Automobile | |
| 94. |
The refrigerator was invented by |
| A. | J.perkins |
| B. | Benjamin franklin |
| C. | Alexander fleming |
| D. | Albert einstein |
| Answer» B. Benjamin franklin | |
| 95. |
The field of activity of J.C. Bose was |
| A. | Botany |
| B. | Chemistry |
| C. | Biology |
| D. | None of these |
| Answer» B. Chemistry | |
| 96. |
Rayon was invented by |
| A. | Sir joseph swann |
| B. | Christopher cockerell |
| C. | Adolph rickenbacker |
| D. | David brewster |
| Answer» B. Christopher cockerell | |
| 97. |
Thermo Flask was invented by |
| A. | Daimler |
| B. | John napier |
| C. | Dewar |
| D. | Urey |
| Answer» D. Urey | |
| 98. |
Laser was invented by |
| A. | Dr. charles h. townes |
| B. | S. chandrasekhar |
| C. | Edwin hubble |
| D. | Edwin hubble |
| Answer» B. S. chandrasekhar | |
| 99. |
The laws of floating bodies was discovered by |
| A. | Archimedes |
| B. | Joseph j. thomson |
| C. | Pierre simon de laplace |
| D. | Edwin hubble |
| Answer» B. Joseph j. thomson | |
| 100. |
Sodium was discovered by |
| A. | Sir humphry davy |
| B. | John von neumann |
| C. | James watson |
| D. | John bardeen |
| Answer» B. John von neumann | |