Inventions-General Knowledge questions and answers
Inventions-General Knowledge questions and answers
51. What African-American inventor received 5 patents in the field of shoemaking?
A.Elijah McCoy
B.Jan Ernst Matzeliger
C.Ernest Just
D.Lewis Latimer
Answer & Explanation Answer: Option C Explanation: Matzeliger never benefited financially from his inventions. He died in 1889 at the age of 37 from tuberculosis.
52. It travels over land and water. Who invented the HOVERCRAFT?
A.S. Sperrow
B.O. Stricheg
C.T. Henman
D.C. Cockerell
Answer & Explanation Answer: Option C Explanation: Christopher Cockerell invented the hovercraft in 1956. His early experiments with the idea involved a cat food tin, a coffee tin and an industrial blower.
53. In which decade was the AEEE (now the IEEE) founded?
A.1850s
B.1880s
C.1930s
D.1950s
Answer & Explanation Answer: Option A Explanation: The IEEE (Institute of Electrical and Electronics Engineers) was formed in 1963 by the merger of the Institute of Radio Engineers (IRE, founded 1912) and the American Institute of Electrical Engineers (AIEE, founded 1884).
54. What type of system did Paul Nipkow, John Baird, and Charles Jenkins all invent?
A.Telephone
B.Early Warning
C.Electricity
D.Television
Answer & Explanation Answer: Option D Explanation: All of the inventors mentioned invented an early mechanical television system.
55. What Sir Isaac Newton invented?
A.Reflecting telescope
B.Chronometer
C.Microscope
D.Spectacles
Answer & Explanation Answer: Option A Explanation: Invented in 1668.
56. Who invented Bicycle?
A.Leo H Baekeland
B.Karl Benz
C.Evangelista Torricelli
D.Kirkpatrick Macmillan
Answer & Explanation Answer: Option A Explanation: No answer description available for this question. Let us discuss.
57. In which decade with the first transatlantic radio broadcast occur?
A.1850s
B.1860s
C.1870s
D.1900s
Answer & Explanation Answer: Option B Explanation: On December 12, 1901, a radio transmission received by Guglielmo Marconi resulted in the first transmission of a transatlantic wireless signal (Morse Code) from Poldhu, Cornwall, to St. John’s, Newfoundland.
58. 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 & Explanation Answer: Option C Explanation: Later in 1840, Rowland Hill invented the stamp, which was paid for by the sender, not the receiver.
59. For over 500 years, paper was only available and sold as single sheets. In 1902, an inventive Australian used half size sheets of paper, a bit of glue and cardboard to create the what?
A.Notepad
B.Calendar
C.Notice Board
D.Telephone Book
Answer & Explanation Answer: Option B Explanation: Birchall’s of Launceston in Tasmania started selling the world?s first notepads, calling them ‘Silvercity Writing Tablets’ after J A Birchall thought it would be a good idea to back sheets of paper with cardboard and glue them together at the top. His British paper suppliers weren?t so keen, but, they were persuaded by Birchall that it was a good idea!
60. Who developed the idea of Crop Rotation?
A.Potato Peterson
B.Turnip Townsend
C.Cabbage Carlson
D.Swede Svenson
Answer & Explanation Answer: Option E Explanation: Viscount Charles ‘Turnip’ Townsend developed this revolutionary concept.
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These questions are useful for any competitive exam like IAS, Bank PO, SSC CGL, RAS, CDS, UPSC exams, and all state-related exams. You can attempt them for fun too.
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Rajesh Bhatia
A Writer, Teacher and GK Expert. I am an M.A. & M.Ed. in English Literature and Political Science. I am highly keen and passionate about reading Indian History. Also, I like to mentor students about how to prepare for a competitive examination. Share your concerns with me by comment box. Also, you can ask anything at linkedin.com/in/rajesh-bhatia-7395a015b/.
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