Scientific Inventions MCQ GK Test - Set 11 - ObjectiveBooks

Scientific Inventions MCQ GK Test - Set 11

G.K. Practice Test: Question Set - 11

1. This statesman, politician, scholar, inventor, and one of early presidents of USA invented the swivel chair, the spherical sundial, the moldboard plow, and the cipher wheel.
    (A) George Washington
    (B) Alexander Hamilton
    (C) John Adams
    (D) Thomas Jefferson

2. What now-ubiquitous device was invented by Zenith engineer Eugene Polley in 1955?
    (A) Microwave oven
    (B) Remote control
    (C) VCR
    (D) Calculator

3. What Thomas Davenport invented?
    (A) Screw propeller
    (B) Electric streetcar
    (C) Chesterfield
    (D) Sleeping (railway) car

4. When was bar code scanners invented?
    (A) 1940s
    (B) 1950s
    (C) 1970s
    (D) 1960s

5. CORN FLAKES - Who made them first?
    (A) Nabisco
    (B) Kellogg
    (C) Quaker
    (D) Archers

6. When was the Raggedy Ann doll patented?
    (A) 1915
    (B) 1920
    (C) 1919
    (D) 1911

7. The ELECTRIC BATTERY, who's charged with inventing this one?
    (A) Hertz
    (B) Ampere
    (C) Galvani
    (D) Volta

8. Which scientist discovered the radioactive element radium?
    (A) Isaac Newton
    (B) Albert Einstein
    (C) Benjamin Franklin
    (D) Marie Curie

    (A) Cohen & Boyer
    (B) Hunt & Davids
    (C) Sinclair & Roberts
    (D) Jaysson & Simons

10. The first hand glider was designed by?
    (A) Leonardo DaVinci
    (B) The Wright brothers
    (C) Francis Rogallo
    (D) Galileo

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