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DISCOVERIES AND INVENTIONS MCQs

Scientists, Inventions & Discoveries

Total Questions : 949 | Page 7 of 95 pages
Question 61. What African-American inventor received 5 patents in the field of shoemaking?
  1.    Elijah McCoy
  2.    Jan Ernst Matzeliger
  3.    Ernest Just
  4.    Lewis Latimer
 Discuss Question
Answer: Option B. -> Jan Ernst Matzeliger
Question 62. It travels over land and water. Who invented the hovercraft?
  1.    S. Sperrow
  2.    O. Stricheg
  3.    T. Henman
  4.    C. Cockerell
 Discuss Question
Answer: Option D. -> C. Cockerell
Question 63. In which decade was the AEEE (now the IEEE) founded?
  1.    1850s
  2.    1880s
  3.    1930s
  4.    1950s
 Discuss Question
Answer: Option B. -> 1880s
Question 64. What Sir Isaac Newton invented?
  1.    Reflecting telescope
  2.    Chronometer
  3.    Microscope
  4.    Spectacles
 Discuss Question
Answer: Option B. -> Chronometer
Question 65. What type of system did Paul Nipkow, John Baird, and Charles Jenkins all invent?
  1.    Telephone
  2.    Early Warning
  3.    Electricity
  4.    Television
 Discuss Question
Answer: Option D. -> Television
Question 66. Who invented Bicycle?
  1.    Leo H Baekeland
  2.    Karl Benz
  3.    Evangelista Torricelli
  4.    Kirkpatrick Macmillan
 Discuss Question
Answer: Option D. -> Kirkpatrick Macmillan
Question 67. Who synthesized the first wholly artificial gene?
  1.    Hargobind Khorana
  2.    J.J. Thompson
  3.    Benjamin Franklin
  4.    Meghnad Saha
 Discuss Question
Answer: Option A. -> Hargobind Khorana
Question 68. When was the Raggedy Ann doll patented?
  1.    1915
  2.    1920
  3.    1919
  4.    1911
 Discuss Question
Answer: Option A. -> 1915
Question 69. Who discovered the first practical method of freezing food?
  1.    C. Birdseye
  2.    F. Rozenosh
  3.    G. Findus
  4.    R. Scott
 Discuss Question
Answer: Option A. -> C. Birdseye
Question 70. What Frank Whittle invented?
  1.    Radar
  2.    Ethyl gasoline
  3.    Sonar
  4.    Jet propulsion
 Discuss Question
Answer: Option D. -> Jet propulsion

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