Inventions Quiz 10

Bankers Adda is also known to be called as Inventions Quiz adda.
Today we came back with a New Quiz on Inventions
Go through the quiz and if you have any doubts please contact bankers adda in the comment section.
1 When was the Raggedy Ann doll patented?

A. 1915 B. 1920
C. 1919 D. 1911

2 What Frank Whittle invented?

A. Radar
B. Ethyl gasoline
C. Sonar
D. Jet propulsion

3 When was the first Lionel trains manufactured?

A. 1920 B. 1890
C. 1901 D. 1944

4 What item, originally called the 'Whirlwind', was invented by Ives McGaffey in 1869?

A. Blender
B. Electric mixer
C. Washing machine
D. Vacuum cleaner

5 What office item was invented by Bette Nesmith Graham in 1951?

A. Fax machine
B. Stapler
C. Liquid Paper
D. Copy machine

6 What did cardiologist Dr. Paul Zoll invent in Massachusetts in 1952?

B. Artificial heart valve
C. Artificial heart
D. Pacemaker

7 What Elmer A. Sperry invented?

A. Hydroplane
B. Hydraulic turbine
C. Magnetic compass
D. Gyrocompass

8 In which decade was the AEEE (now the IEEE) founded?

A. 1850s B. 1880s
C. 1930s D. 1950s

9 Who synthesized the first wholly artificial gene?

A. Hargobind Khorana
B. J.J. Thompson
C. Benjamin Franklin
D. Meghnad Saha

10 FROZEN FOOD - Who discovered the first practical method of freezing food?

A. C. Birdseye
B. F. Rozenosh
C. G. Findus
D. R. Scott

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