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This section includes 327 Mcqs, each offering curated multiple-choice questions to sharpen your General Knowledge knowledge and support exam preparation. Choose a topic below to get started.
101. |
Who invented the Lightning Rod in 1749? |
A. | Benjamin Franklin |
B. | Nikola Tesla |
C. | Eli Whitney |
D. | George Washington |
Answer» B. Nikola Tesla | |
102. |
Who invented the electrocardiogram (ECG)? |
A. | Willem Einthoven |
B. | Edward Jenner |
C. | Antonio de Ulloa and Charles Wood |
D. | Karl Benz |
Answer» B. Edward Jenner | |
103. |
Who Invented the First Adhesive Tape ? |
A. | Richard GurleyDrew |
B. | Alexander Graham Bell |
C. | James Rineose |
D. | Caresse Crosby |
Answer» B. Alexander Graham Bell | |
104. |
Who invented the hot air balloon? |
A. | Montgolfier brothers |
B. | Wright brothers |
C. | Lisitsyn brothers |
D. | Walton brothers |
Answer» B. Wright brothers | |
105. |
Who invented the electric tram? |
A. | James Cook |
B. | William Harvey |
C. | Fyodor Pirotsky |
D. | Robert Boyles |
Answer» D. Robert Boyles | |
106. |
Who invented the contact lens? |
A. | Enrico Fermi |
B. | Adolf Gaston Eugen Fick |
C. | Sandford Fleming |
D. | Benoit Fourneyron |
Answer» C. Sandford Fleming | |
107. |
Who invented the Centigrade scale? |
A. | Anders Celsius |
B. | Daniel Gabriel Fahrenheit |
C. | William Thomson |
D. | Wright Brothers |
Answer» B. Daniel Gabriel Fahrenheit | |
108. |
Who Invented the 3-D printer? |
A. | Nick Holonyak |
B. | Elias Howe |
C. | Chuck Hull |
D. | Christiaan Huygens |
Answer» D. Christiaan Huygens | |
109. |
Who invented Rocket? |
A. | Rich K Goyle |
B. | E M Forster |
C. | Robert Goddard |
D. | James Anderson |
Answer» D. James Anderson | |
110. |
Who invented Television? |
A. | J L Baird |
B. | Aristotle |
C. | James Clerk Maxwell |
D. | Nikola Tesla |
Answer» B. Aristotle | |
111. |
Who invented Space Pen? |
A. | Paul C. Fisher |
B. | Rudolf Diesel |
C. | Wright Brothers |
D. | Alexander Fleming |
Answer» B. Rudolf Diesel | |
112. |
Who invented Telephone?_x005F_x000D_ |
A. | Alexander Graham Bell |
B. | Thomas Edison |
C. | Benjamin Franklin |
D. | James Watt |
Answer» B. Thomas Edison | |
113. |
Who invented Radio? |
A. | Grahambell |
B. | Galileo |
C. | Marconi |
D. | Edison |
Answer» D. Edison | |
114. |
Who invented radar? |
A. | Fred Morrison |
B. | A. H. Taylor and Leo C. Young |
C. | Van Tassel |
D. | W. K. Roentgen |
Answer» C. Van Tassel | |
115. |
Who Invented postage stamp? |
A. | Ruth Handler |
B. | John Harington |
C. | Rowland Hill |
D. | Felix Hoffmann |
Answer» D. Felix Hoffmann | |
116. |
Who Invented Neon Lamp? |
A. | Vint Cerf |
B. | David Chaum |
C. | Georges Claude |
D. | Josephine Cochrane |
Answer» D. Josephine Cochrane | |
117. |
Who invented Pentium Chip? |
A. | Kumar Patel |
B. | Tom Gunter |
C. | Vince Emery |
D. | Vinod Dham |
Answer» E. | |
118. |
Who Invented PlayStation? |
A. | Wright brothers |
B. | Reynold B. Johnson |
C. | Assen Jordanoff |
D. | Ken Kutaragi |
Answer» E. | |
119. |
Who Invented Piano ? |
A. | Bartolomeo Cristofori di Francesco |
B. | Ruth Graves Wakefield |
C. | Adolf Gaston Eugen Fick |
D. | Jacques Cousteau |
Answer» B. Ruth Graves Wakefield | |
120. |
Who Invented Post-it note? |
A. | William Friese-Greene |
B. | Arthur Fry |
C. | Gordon Gould |
D. | Otto von Guericke |
Answer» C. Gordon Gould | |
121. |
Who Invented Modern Frequency Modulation FM Radio ? |
A. | Peter Durand |
B. | Percy Shaw |
C. | Edwin H. Armstrong |
D. | Leo Hendrik Baekeland |
Answer» D. Leo Hendrik Baekeland | |
122. |
Who Invented Microwave Oven ? |
A. | Lewis Edson Waterman |
B. | Levi Strauss |
C. | Percy LeBaron Spencer |
D. | Sir Sandford Fleming |
Answer» D. Sir Sandford Fleming | |
123. |
Who invented logarithms? |
A. | Eden Snowden |
B. | Larry Page |
C. | Thomas Edison |
D. | John Napier |
Answer» E. | |
124. |
Who Invented LED? |
A. | Nick Holonyak |
B. | Elias Howe |
C. | Chuck Hull |
D. | Christiaan Huygens |
Answer» B. Elias Howe | |
125. |
Who Invented Lawnmower? |
A. | Edwin Howard Armstrong |
B. | John Barber |
C. | Edwin Beard Budding |
D. | Nicholas Callan |
Answer» D. Nicholas Callan | |
126. |
Who Invented Laser? |
A. | William FrieseÂGreene |
B. | Arthur Fry |
C. | Gordon Gould |
D. | Otto von Guericke |
Answer» D. Otto von Guericke | |
127. |
Who Invented Internet Protocol? |
A. | Vint Cerf |
B. | David Chaum |
C. | Georges Claude |
D. | Josephine Cochrane |
Answer» B. David Chaum | |
128. |
Who Invented Induction Coil? |
A. | Edwin Howard Armstrong |
B. | John Barber |
C. | Edwin Beard Budding |
D. | Nicholas Callan |
Answer» E. | |
129. |
Who invented Helicopter? |
A. | Copernicus |
B. | Sikorsky |
C. | Cockrell |
D. | Drinker |
Answer» C. Cockrell | |
130. |
Who invented FM radio? |
A. | Edwin Howard Armstrong |
B. | Thomas Alva Edison |
C. | Graham Bell |
D. | Galileo |
Answer» B. Thomas Alva Edison | |
131. |
Who invented Emoji in 1999? |
A. | Shigetaka Kurita |
B. | Hemang Amin |
C. | Lee Loong |
D. | Hamilton |
Answer» B. Hemang Amin | |
132. |
Who invented first working laser? |
A. | A. H. Taylor |
B. | W. K. Roentgen |
C. | T. H. Maiman |
D. | Fred Morrission |
Answer» D. Fred Morrission | |
133. |
Who Invented Electric Stove? |
A. | Lloyd Groff Copeman |
B. | Bartolomeo Cristofori |
C. | Leonardo da Vinci |
D. | Philip Diehl |
Answer» B. Bartolomeo Cristofori | |
134. |
Who Invented Elevator Safety Brake ? |
A. | Alfred Bernhard Nobel |
B. | Elisha Graves Otis |
C. | Percy LeBaron Spencer |
D. | Garrett Augustus Morgan |
Answer» C. Percy LeBaron Spencer | |
135. |
Who invented ECG? |
A. | Hans Berger |
B. | Einthoven |
C. | G. Bist |
D. | None of the above |
Answer» C. G. Bist | |
136. |
Who Invented Dishwasher? |
A. | Vint Cerf |
B. | David Chaum |
C. | Georges Claude |
D. | Josephine Cochrane |
Answer» E. | |
137. |
Who Invented Dynamite Explosive Material? |
A. | Alfred Bernhard Nobel |
B. | Levi Strauss |
C. | Percy LeBaron Spencer |
D. | Garrett Augustus Morgan |
Answer» B. Levi Strauss | |
138. |
Who invented EÂMail? |
A. | Tim BernersÂ-Lee |
B. | James Gosling |
C. | Vinton Cerf |
D. | VA Shiva Ayyadurai |
Answer» E. | |
139. |
Who invented bluetooth? |
A. | Kirkpatrick Macmillan |
B. | Benjamin Franklin |
C. | Dr. Jaap Haartsen |
D. | Charles Babbage |
Answer» D. Charles Babbage | |
140. |
Who invented "Coca Cola"? |
A. | Floyd Paxton |
B. | Les Paul |
C. | John Pemberton |
D. | Forrest Parry |
Answer» D. Forrest Parry | |
141. |
Who Invented Ceiling fan? |
A. | Lloyd Groff Copeman |
B. | Bartolomeo Cristofori |
C. | Leonardo da Vinci |
D. | Philip Diehl |
Answer» E. | |
142. |
Who Invented Contact Lens ? |
A. | Joel Houghton |
B. | Ruth Graves Wakefield |
C. | Adolf Gaston Eugen Fick |
D. | John Stith Pemberton |
Answer» D. John Stith Pemberton | |
143. |
Who invented Aerosol can? |
A. | Erik Rotheim |
B. | Erik Mathew |
C. | Erik Tim |
D. | Eric Flayer |
Answer» B. Erik Mathew | |
144. |
Who invented Automobiles using gasoline? |
A. | Karl Benz |
B. | Kirk Macmillan |
C. | Thomas Alva Edison |
D. | William Ford |
Answer» B. Kirk Macmillan | |
145. |
Who Invented airbag? |
A. | Wright brothers |
B. | Reynold B. Johnson |
C. | Assen Jordanoff |
D. | Ken Kutaragi |
Answer» D. Ken Kutaragi | |
146. |
Who invented Antibiotics? |
A. | Joseph Lister |
B. | William Harvey |
C. | Robert Knock |
D. | Alexander Fleming |
Answer» E. | |
147. |
Who Discovered The Nucleus of a Cell? |
A. | Otto Hahn |
B. | John Dalton |
C. | Robert Brown |
D. | Marie Curie |
Answer» D. Marie Curie | |
148. |
Who discovered X-Ray? |
A. | Wilhelm Rontgen |
B. | William Lee |
C. | X Rollswick |
D. | I Thompson |
Answer» B. William Lee | |
149. |
Who discovered X-rays? |
A. | W. C. Roentgen |
B. | Albert Einstein |
C. | Samuel Cohen |
D. | Edward Taylor |
Answer» B. Albert Einstein | |
150. |
Who discovered Uranus? |
A. | Sir Isaac Newton |
B. | William Henry Fox Talbot |
C. | William Herschel |
D. | Nicolaus Copernicus |
Answer» D. Nicolaus Copernicus | |