List of Inventions and Inventors GK Questions and Answers
List of Invention
Q.41 Who invented the BALLPOINT PEN?
(A) Biro Brothers
(B) Waterman Brothers
(C) Bicc Brothers
(D) Write Brothers
Ans . A
Q.42 In which decade was the first solid state integrated circuit demonstrated?
(A) 1950s
(B) 1960s
(C) 1970s
(D) 1980s
Ans . A
Q.43 What J. B. Dunlop invented?
(A) Pneumatic rubber tire
(B) Automobile wheel rim
(C) Rubber boot
(D) Model airplanes
Ans . A
Q.44 Which scientist discovered the radioactive element radium?
(A) Isaac Newton
(B) Albert Einstein
(C) Benjamin Franklin
(D) Marie Curie
Ans . D
Q.45 When was barb wire patented?
(A) 1874
(B) 1840
(C) 1895
(D) 1900
Ans . A
Q.46 What is the name of the CalTech seismologist who invented the scale used to measure the magnitude of earthquakes?
(A) Charles Richter
(B) Hiram Walker
(C) Giuseppe Mercalli
(D) Joshua Rumble
Ans . A
Q.47 What Galileo invented?
(A) Barometer
(B) Pendulum clock
(C) Microscope
(D) Thermometer
Ans . D
Q.48 This statesman, politican, 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
Ans . D
Q.49 What James Watt invented?
(A) Diving bell
(B) Steam boat
(C) Hot air balloon
(D) Rotary steam engine
Ans . D
Q.50 Where is the village of Branston, after which the famous pickle is named?
(A) Yorkshire
(B) Lancashire
(C) Staffordshire
(D) Norfolk
Ans . C
List of Inventions and Inventors GK questions are very important and generally asked in competitive exams. I am providing 50 GK Questions List of Inventions and Inventors with Answers for your best practice.
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Rajesh Bhatia
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