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DISCOVERIES AND INVENTIONS MCQs

Scientists, Inventions & Discoveries

Total Questions : 949 | Page 2 of 95 pages
Question 11. Who invented Gunpowder?
  1.    G. Ferdinand Von Zeppelin
  2.    Sir Frank Whittle
  3.    Roger Bacon
  4.    Leo H Baekeland
 Discuss Question
Answer: Option C. -> Roger Bacon
Question 12. Until Victorian times, chocolate was thought of as a drink. When did the first chocolate bar appear?
  1.    1828
  2.    1831
  3.    1825
  4.    There is no sure date
 Discuss Question
Answer: Option D. -> There is no sure date
Question 13. What now ubiquitous device was invented by Zenith engineer Eugene Polley in 1955?
  1.    Microwave oven
  2.    Remote control
  3.    VCR
  4.    Calculator
 Discuss Question
Answer: Option B. -> Remote control
Question 14. What Benjamin Franklin invented?
  1.    Bifocal spectacles
  2.    Radio
  3.    Barometer
  4.    Hygrometer
 Discuss Question
Answer: Option A. -> Bifocal spectacles
Question 15. This part-time race car driver invented the bucket seat in 1969. Who was he??
  1.    Steve McQueen
  2.    Harrison Frazier
  3.    Paul Newman
  4.    John Wayne
 Discuss Question
Answer: Option A. -> Steve McQueen
Question 16. What plaything was invented by Joe McVicker in 1956?
  1.    Silly Putty
  2.    Etch-A-Sketch
  3.    Lite-Brite
  4.    Play-Doh
 Discuss Question
Answer: Option D. -> Play-Doh
Question 17. Who was the first American female to patent her invention, a method of weaving straw with silk?
  1.    Marjorie Joyner
  2.    Margaret Knight
  3.    Amanda Jones
  4.    Mary Kies
 Discuss Question
Answer: Option D. -> Mary Kies
Question 18. Who invented Gramophone?
  1.    Michael Faraday
  2.    Fahrenheit
  3.    Sir Alexander Graham Bell
  4.    Thomas Alva Edison
 Discuss Question
Answer: Option D. -> Thomas Alva Edison
Question 19. What furniture item was invented by California furniture designer Charles Prior Hall in 1968?
  1.    Sofa bed
  2.    Captain's chair
  3.    Waterbed
  4.    Hammock
 Discuss Question
Answer: Option C. -> Waterbed
Question 20. 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 Project?
  1.    Robert Oppenheimer
  2.    James B. Conant
  3.    Leslie R. Groves
  4.    Vannevar Bush
 Discuss Question
Answer: Option A. -> Robert Oppenheimer

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