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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.
151. |
First graphical user interface used commercially after its introduction was popularized as |
A. | Apple lisa |
B. | Xerox star |
C. | Ibm 610 |
D. | Both (a) and (b) |
Answer» E. | |
152. |
Airplane was invented by |
A. | Wright brothers |
B. | Edwin armstrong |
C. | Ernst abbe |
D. | Robert adler |
Answer» B. Edwin armstrong | |
153. |
Ethernet- |
A. | Robert m. metcalfe |
B. | D.r. boggs |
C. | Both (a) and (b) |
D. | None of these |
Answer» D. None of these | |
154. |
Name of first popular web browser is |
A. | Mozilla firefox |
B. | Ibm browser |
C. | Google chrome |
D. | Mosaic |
Answer» E. | |
155. |
Telegraph Code was invented by- |
A. | Robert arthur moog |
B. | Harlow bundy |
C. | Hans lippershey |
D. | Samuel f.b. morse |
Answer» E. | |
156. |
Device used to determine aircraft direction by using magnetic field is called |
A. | Mechanical compass |
B. | Thermal compass |
C. | Earth inductor compass |
D. | Magnetic compass |
Answer» C. Earth inductor compass | |
157. |
First mechanical calculator was built in 1642 by |
A. | Stephen hales |
B. | Blaise pascal |
C. | Gerardus mercator |
D. | Thomas newcomen |
Answer» C. Gerardus mercator | |
158. |
Screw was invented in 3rd century B.C by |
A. | Alexander |
B. | Franklin |
C. | Archimedes |
D. | Magellan |
Answer» D. Magellan | |
159. |
Light bulb was invited by- |
A. | Rolls royce |
B. | Henry ford forks wagon |
C. | Thomas edison |
D. | None of these |
Answer» D. None of these | |
160. |
What ?game? was first produced by the Southern Novelty Company in Baltimore, Maryland in 1892? |
A. | Frisbee |
B. | Monopoly |
C. | Ouija board |
D. | Ping pong |
Answer» D. Ping pong | |
161. |
Famous musical invention of George Beauchamp which is part of modern music is |
A. | Piano |
B. | Flute |
C. | Bass guitar |
D. | Electric guitar |
Answer» E. | |
162. |
Primary inventor of carbon-filament light bulb is |
A. | Thomas edison |
B. | Victor adler |
C. | Mary anderson |
D. | George antheil |
Answer» B. Victor adler | |
163. |
We remember Charles Babbage (1792-1871) for what ? |
A. | Computers |
B. | Radio-telegraphy |
C. | Steam boating |
D. | Telescopes |
Answer» B. Radio-telegraphy | |
164. |
App to locate board exam centre for students launched by ? |
A. | Cbse |
B. | Iit |
C. | Jnu |
D. | Ncert |
Answer» B. Iit | |
165. |
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 | |
166. |
First regenerative circuit was invented and patented in 1914 by |
A. | Johnson armstrong |
B. | Dr. fredinand magellan |
C. | Dr. horace day |
D. | Edwin armstrong |
Answer» E. | |
167. |
The first hand glider was designed by?? |
A. | Leonardo davinci |
B. | The wright brothers |
C. | Francis rogallo |
D. | Galileo |
Answer» B. The wright brothers | |
168. |
What charge card, developed in 1950, was the first to be approved nationally in the US? |
A. | Discover |
B. | Mastercharge |
C. | Visa |
D. | Diner's club |
Answer» E. | |
169. |
The first effective vaccine against polio was prepared by ? |
A. | Robert edwards |
B. | James simpson |
C. | H gibbon |
D. | Jonas e salk |
Answer» E. | |
170. |
Who is known as inventor of World Wide Standard Time ? |
A. | Sandford fleming |
B. | Fredrich |
C. | Williamson |
D. | James broot |
Answer» B. Fredrich | |
171. |
What item, originally called the ?Whirlwind?, was invented by Ives McGaffey in 1869? |
A. | Blender |
B. | Electric mixer |
C. | Washing machine |
D. | Vacuum cleaner |
Answer» C. Washing machine | |
172. |
Who Invented the First Adhesive Tape ? |
A. | Richard gurleydrew |
B. | Alexander graham bell |
C. | James rineose |
D. | Caresse crosby |
Answer» B. Alexander graham bell | |
173. |
Who is the inventor of railway engine? |
A. | George stephenson |
B. | W.h.f tablot |
C. | Richard trevithik |
D. | Eli whitney |
Answer» D. Eli whitney | |
174. |
Which object, initially called the 'Whirlwind', was invented by Ives McGaffey in 1869 ? |
A. | Washing machine |
B. | Electric mixer |
C. | Vacuum cleaner |
D. | Blender |
Answer» D. Blender | |
175. |
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 | |
176. |
When was Barb Wire patented |
A. | 1898 |
B. | 1868 |
C. | 1874 |
D. | 1866 |
Answer» D. 1866 | |
177. |
In the 1700s,who would pay the postage fee for letters before the stamp was invented? |
A. | The sender |
B. | There was no fee |
C. | The receiver of the letter |
D. | The post office |
Answer» D. The post office | |
178. |
Who Invented Traffic Signal ? |
A. | Lewis edson waterman |
B. | Levi strauss |
C. | Percy lebaron spencer |
D. | Garrett augustus morgan |
Answer» E. | |
179. |
Who Invented Dynamite Explosive Material? |
A. | Alfred bernhard nobel |
B. | Levi strauss |
C. | Percy lebaron spencer |
D. | Garrett augustus morgan |
Answer» B. Levi strauss | |
180. |
Who invented waterproof fabrics ? |
A. | James dewar |
B. | Charles goodyear |
C. | Mary moore |
D. | Charles macintosh |
Answer» E. | |
181. |
The most important feature of the Indian Parliament is that: |
A. | It is the union legislature in india |
B. | It also comprises of the president |
C. | It is bicameral in nature |
D. | The upper house of the parliament is never dissolved |
Answer» C. It is bicameral in nature | |
182. |
Who discovered Insulin |
A. | William harvey |
B. | Louis pasteur |
C. | F.g.banting |
D. | Alexander fleming |
Answer» E. | |
183. |
This statesman,politican,scholar,inventor,and one of early presidents of USA invented the swivel chair,the spherical sundial,the moldboard plow,and the cipher wheel. |
A. | George washington |
B. | Alexander hamilton |
C. | John adams |
D. | Thomas jefferson |
Answer» E. | |
184. |
Who is the inventor of printing press? |
A. | Johann gutenberg |
B. | William lee |
C. | George eastman |
D. | R.w thomson |
Answer» B. William lee | |
185. |
Who Discovered The Nucleus of a Cell? |
A. | Otto hahn |
B. | John dalton |
C. | Robert brown |
D. | Marie curie |
Answer» D. Marie curie | |
186. |
Who Invented Microwave Oven ? |
A. | Lewis edson waterman |
B. | Levi strauss |
C. | Percy lebaron spencer |
D. | Sir sandford fleming |
Answer» D. Sir sandford fleming | |
187. |
Who is the english physicist responsible for the "Big Bang Theory"? |
A. | Albert einstein |
B. | Michael skube |
C. | George gamow |
D. | Roger penrose |
Answer» D. Roger penrose | |
188. |
The first thermionic valve was invented by |
A. | Thomas edison |
B. | Richardson |
C. | J.a. fleming |
D. | Lee de forest |
Answer» D. Lee de forest | |
189. |
Who Invented The World Wide Web ? |
A. | Sir timothy john |
B. | Earle dickson |
C. | James rineose |
D. | Laszlo jozsef biro |
Answer» B. Earle dickson | |
190. |
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 | |
191. |
Who invented Radar |
A. | Henrey backquerel |
B. | Max planck |
C. | Robert watson watt |
D. | Humphrey davy |
Answer» D. Humphrey davy | |
192. |
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 | |
193. |
the name of the CalTech seismologist who invented the scale used to measure the magnitude of earthquakes is? |
A. | Charles Richter |
B. | Hiram Walker |
C. | Giuseppe Mercalli |
D. | Joshua Rumble |
Answer» B. Hiram Walker | |
194. |
the first solid state integrated circuit was demonstrated In which decade? |
A. | 1950s |
B. | 1960s |
C. | 1970s |
D. | 1980s |
Answer» B. 1960s | |
195. |
Integrated circuit was created by two engineers working separately in |
A. | 1938 - 1939 |
B. | 1928 - 1932 |
C. | 1958 - 1959 |
D. | 1948 - 1949 |
Answer» D. 1948 - 1949 | |