Tag Archives: inventions

Inventions GK Questions and Answers – Part 4

31. When was the toothbrush invented? A. 1770           B. 1765 C. 1790           D. 1742 Answer: A. 1770 Explanation: The first toothbrush was made out of a bone and small brush, by jail prisoner William Addis of England. 32. What item of apparel was invented by Ellery


Inventions GK Questions and Answers – Part 3

21. Who invented Jet Engine? A. Sir Frank Whittle B. Gottlieb Daimler C. Roger Bacon D. Lewis E. Waterman Answer: A. Sir Frank Whittle Explanation: Dr. Hans von Ohain and Sir Frank Whittle are recognized as the co-inventors of the jet engine. Each was working separately and knew nothing of the others work. Although Whittle


Inventions GK Questions and Answers – Part 2

11 What is the name of the CalTech seismologist who invented the scale used to measure the magnitude of earthquakes? A. Charles Richter B. Hiram Walker C. Giuseppe Mercalli D. Joshua Rumble Answer: A. Charles Richter Explanation: Richter was born on an Ohio farm in 1900. He died in 1985. 12. What Galileo invented? A.


Inventions GK Questions and Answers

This is the Part 1 general knowledge questions and answers section on “Inventions” with explanation for various interview, competitive examination and entrance test. Solved examples with detailed answer description, explanation are given and it would be easy to understand.    1. Who invented the BALLPOINT PEN? A. Biro Brothers B. Waterman Brothers C. Bicc Brothers


Leonardo da Vinci

Born: 15 April 1452, Anchiano Died: 2 May 1519, Clos Lucé, Amboise, France Siblings: Bartolomeo da Vinci, Giovanni Ser Piero, more Structures: Milan Cathedral Known for: Art, science Works: Mona Lisa, The Last Supper, The Vitruvian Man, Lady with an Ermine Movement: High Renaissance Renaissance artist, inventor, polymath, musician, and architect who painted the Mona


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