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DISCOVERIES AND INVENTIONS MCQs

Scientists, Inventions & Discoveries

Total Questions : 949 | Page 3 of 95 pages
Question 21. When was the first lawn mower invented?
  1.    1830
  2.    1854
  3.    1835
  4.    1849
 Discuss Question
Answer: Option A. -> 1830
Question 22. In which decade were the first successful diode and triode vacuum tubes invented?
  1.    1800s
  2.    1880s
  3.    1890s
  4.    1900s
 Discuss Question
Answer: Option D. -> 1900s
Question 23. Who is the English physicist responsible for the 'Big Bang Theory'?
  1.    Albert Einstein
  2.    Michael Skube
  3.    George Gamow
  4.    Roger Penrose
 Discuss Question
Answer: Option C. -> George Gamow
Question 24. What 'game' was first produced by the Southern Novelty Company in Baltimore, Maryland in 1892?
  1.    Frisbee
  2.    Monopoly
  3.    Ouija board
  4.    Ping Pong
 Discuss Question
Answer: Option C. -> Ouija board
Question 25. Which insurance salesman invented the fountain pen in 1884?
  1.    Lewis Edson Waterman
  2.    Sir William Grove
  3.    Charles Kettering
  4.    George Fountain
 Discuss Question
Answer: Option A. -> Lewis Edson Waterman
Question 26. When was the first elevator built?
  1.    1743
  2.    1739
  3.    1760
  4.    1785
 Discuss Question
Answer: Option A. -> 1743
Question 27. What charge card, developed in 1950, was the first to be accepted nationally in the US?
  1.    Visa
  2.    Discover
  3.    MasterCharge
  4.    Diner's Club
 Discuss Question
Answer: Option D. -> Diner's Club
Question 28. What Enrico Fermi invented?
  1.    X ray machine
  2.    Betatron
  3.    Cyclotron
  4.    Nuclear reactor
 Discuss Question
Answer: Option D. -> Nuclear reactor
Question 29. Which of the following was first patented by an Australian in 1889?
  1.    Electric Drill
  2.    Electric Shaver
  3.    Electric Fence
  4.    Electric Heater
 Discuss Question
Answer: Option A. -> Electric Drill
Question 30. Who among the following invented the small pox vaccine?
  1.    Robert Koch
  2.    Edward Jenner
  3.    Robert Hooke
  4.    Louis Pasteur
 Discuss Question
Answer: Option B. -> Edward Jenner

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