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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.
1. |
John Lawrence Smith invented inverted microscope in |
A. | 1850 |
B. | 1877 |
C. | 1874 |
D. | 1899 |
Answer» B. 1877 | |
2. |
Nancy Johnson invented hand-cranked ice cream churn in |
A. | 1843 |
B. | 1846 |
C. | 1845 |
D. | 1841 |
Answer» B. 1846 | |
3. |
Frequency modulation radio 'FM' was invented by |
A. | Gerald Pearson |
B. | Edwin Howard Armstrong |
C. | Daryl Chapin |
D. | Calvin Southern Fuller |
Answer» C. Daryl Chapin | |
4. |
By which country was Atomic bomb was first successfully developed |
A. | United States |
B. | B. |
C. | C. |
D. | D. |
E. | |
Answer» B. B. | |
5. |
In which year was World Wide Web first publicly introduced |
A. | 1980 |
B. | 1990 |
C. | 1940 |
D. | 1930 |
Answer» C. 1940 | |
6. |
In which year was Nuclear power first used to produce electricity ? |
A. | 1951 |
B. | 1941 |
C. | 1931 |
D. | 1961 |
Answer» B. 1941 | |
7. |
Periscope was invented in 1902 by |
A. | Charles simon |
B. | George lake |
C. | Simon lake |
D. | Jefferson simon |
Answer» D. Jefferson simon | |
8. |
First freely programmable computer in world was build by |
A. | Percy spencer |
B. | Karl benz |
C. | Conard zeus |
D. | George stephenson |
Answer» D. George stephenson | |
9. |
First pressure sensitive adhesive tape was invented in 1845 by |
A. | Dr. ferdinand magellan |
B. | Dr. horace day |
C. | Dr. howard armstrong |
D. | None of these |
Answer» C. Dr. howard armstrong | |
10. |
Who Invented Worldwide Standard Time Zones ? |
A. | Charles richard drew |
B. | Henry w. seely |
C. | Jesse wilford reno |
D. | Sir sandford fleming |
Answer» E. | |
11. |
World Wide Web was publicly introduced for first time by computer scientist and English engineer named |
A. | Sir gerald pearson |
B. | Sir tim berners lee |
C. | Sir daryl chaplin |
D. | Sir calvin souther fuller |
Answer» C. Sir daryl chaplin | |
12. |
Who invented Integrated Circuit (IC)? |
A. | Herman hollerith |
B. | Semen korsakov |
C. | Bill gates |
D. | Jack kilby |
Answer» E. | |
13. |
First lock-stitch sewing machine was invented in 1833 by |
A. | Isaac singer |
B. | Elias howe |
C. | Hiram moore |
D. | Walter hunt |
Answer» E. | |
14. |
Electronic Computer was invented by- |
A. | J.g. brainerd |
B. | J.p. eckert |
C. | J.w. mauchly |
D. | All of these |
Answer» E. | |
15. |
Earliest version of Cathode Ray Tube which used cold cathode diode was invented by German Physicist is |
A. | Fredinand braun |
B. | Oliver evans |
C. | Thomas edison |
D. | Horace day |
Answer» B. Oliver evans | |
16. |
First personal computer controlled with a keyboard that is used by one person was invented by |
A. | Ibm |
B. | Apple |
C. | Microsoft |
D. | None of these |
Answer» B. Apple | |
17. |
Integrated circuit was co-created by |
A. | Jack kilby and robert noyce |
B. | John bardeen and walter brattain |
C. | Lisa meitner and george stephenson |
D. | Floyd farris and j.b. clark |
Answer» B. John bardeen and walter brattain | |
18. |
First combine harvester was invented in 1834 by |
A. | Hiram moore |
B. | Isaac singer |
C. | Walter hunt |
D. | Elias howe |
Answer» B. Isaac singer | |
19. |
Transistors that are used in every electronic product of modern era was invented by |
A. | Lisa meitner and george stephenson |
B. | John bardeen and walter brattain |
C. | William shockley |
D. | Otto hahn |
Answer» C. William shockley | |
20. |
Playing cards was invented in 9th century in |
A. | Juan dynasty china |
B. | Tang dynasty china |
C. | Song dynasty china |
D. | Ming dynasty china |
Answer» B. Tang dynasty china | |
21. |
First practical fluorescent lamp was invented in 1941 by |
A. | George malcom |
B. | George inman |
C. | George whatley |
D. | Arnold orville beckman |
Answer» C. George whatley | |
22. |
Dr. Robert H. Goddard invented first liquid-fueled rocket in |
A. | 16 march, 1926 |
B. | 06 march, 1926 |
C. | 26 march, 1926 |
D. | 24 march, 1926 |
Answer» B. 06 march, 1926 | |
23. |
World Wide Web was publicly introduced for first time in |
A. | 1967 |
B. | 1990 |
C. | 1945 |
D. | 1937 |
Answer» C. 1945 | |
24. |
Railroad locomotive was invented in |
A. | 1805 |
B. | 1815 |
C. | 1825 |
D. | 1835 |
Answer» D. 1835 | |
25. |
Gramophone |
A. | Thomas alva edison |
B. | Charles goodyear |
C. | Orville and wilbur wright |
D. | Benjamin franklin |
Answer» B. Charles goodyear | |
26. |
Nuclear fission was discovered in experiment in |
A. | 1938 |
B. | 1908 |
C. | 1928 |
D. | 1918 |
Answer» B. 1908 | |
27. |
Electronic instrument which is used to measure alkalinity or acidity of a liquid was invented by |
A. | Dr. robbert h. goddard |
B. | William g.morgan |
C. | George whatley |
D. | Arnold orville beckman |
Answer» E. | |
28. |
Waterproof Rubber |
A. | James watt |
B. | Thomas alva edison |
C. | John boyd dunlop |
D. | Charles macintosh |
Answer» E. | |
29. |
Which vehicle was invented about 3000 BCE? |
A. | The helicopter |
B. | The space shuttle |
C. | The bicycle |
D. | The chariot |
Answer» E. | |
30. |
Fluxgate magnetometer was invented by |
A. | Arnold orville beckman |
B. | George whatley |
C. | Victor vacquier |
D. | George inman |
Answer» D. George inman | |
31. |
Optical disc storage 'DVD' was invented and developed by |
A. | Toshiba |
B. | Panasonic |
C. | Sony |
D. | All of these |
Answer» E. | |
32. |
Mercury Thermometer |
A. | Samuel morse |
B. | Benjamin franklin |
C. | Fahrenheit |
D. | Benjamin franklin |
Answer» D. Benjamin franklin | |
33. |
Pneumatic tyre was invented by |
A. | Stanes |
B. | Firestone |
C. | Dunlop |
D. | None of these |
Answer» D. None of these | |
34. |
Radium was discovered by |
A. | Ernst haeckel |
B. | Willard libby |
C. | Marie and pierrie curie |
D. | Edward teller |
Answer» D. Edward teller | |
35. |
The system for writing by blind people was invented by |
A. | Dr. charles h. townes |
B. | Louis braille |
C. | Henry bacquerel |
D. | Sir j.a. fleming |
Answer» C. Henry bacquerel | |
36. |
Elias Home invented |
A. | Sewing machine |
B. | Aeroplane |
C. | Aircraft |
D. | Steam boat |
Answer» B. Aeroplane | |
37. |
Earth inductor compass is |
A. | European invention |
B. | Arabian invention |
C. | American invention |
D. | Chinese invention |
Answer» D. Chinese invention | |
38. |
Spinning frame was invented by |
A. | Samuel morse |
B. | Antoine joseph sax |
C. | Charles macintosh |
D. | Sir richard arkwright |
Answer» E. | |
39. |
Polio Vaccine invented by ? |
A. | Edward jenner |
B. | Jonas salk |
C. | Louis kahn |
D. | Francis crick |
Answer» C. Louis kahn | |
40. |
Who invented Rabies Vaccine ? |
A. | Rutherford |
B. | Robert koch |
C. | Ferdinand cohn |
D. | Louis pasteur |
Answer» E. | |
41. |
Who invited the electric bulb? |
A. | Thomas more |
B. | Thomas alva edison |
C. | James watt |
D. | None of these |
Answer» C. James watt | |
42. |
John Logie Baird invented which of the following ? |
A. | Anti biotic |
B. | Television |
C. | Refrigirator |
D. | Telegraph |
Answer» C. Refrigirator | |
43. |
The idea of Parachute was by |
A. | Leonardo da vinci |
B. | Shakespear |
C. | John milton |
D. | Albert berry |
Answer» B. Shakespear | |
44. |
Supercomputer |
A. | J.h. van tassel |
B. | Seymour cray |
C. | Both (a) and (b) |
D. | None of these |
Answer» D. None of these | |
45. |
Edwin Herbert Land invented what ? |
A. | Ball point pen |
B. | Polaroid camera |
C. | Type writer |
D. | Liquid paper |
Answer» C. Type writer | |
46. |
William Frederick is credited with the invention of the modern frisbee in the mid 1950's. In 1957 the Wham-O Company bought his idea and the rest is history. They named the toy after William Frisbie w |
A. | Pie maker |
B. | Owner of a pizza parlor |
C. | Student at yale |
D. | Ceramic plate designer |
Answer» B. Owner of a pizza parlor | |
47. |
Mobile Phone invented in which year ? |
A. | 1960 |
B. | 1979 |
C. | 1991 |
D. | 1985 |
Answer» C. 1991 | |
48. |
Benjamin Franklin was a prolific inventor. He invented the lightning rod, the Franklin stove, studied electricity, discovered the Gulf Stream, started the first library, and on and on. Among his many |
A. | Banjo |
B. | Oboe |
C. | Clarinet |
D. | Harmonium |
Answer» E. | |
49. |
The Manhattan Project was started by President Roosevelt in 1942 to ensure that the U.S. beat the Germans in developing a nuclear bomb. Whom did Roosevelt appoint as scientific head the Manhattan Proj |
A. | Robert oppenheimer |
B. | James b. conant |
C. | Leslie r. groves |
D. | Vannevar bush |
Answer» B. James b. conant | |
50. |
Ernest Rutherford invented what ? |
A. | Electron |
B. | Newtron |
C. | Proton |
D. | None of these |
Answer» D. None of these | |