GK Questions on World Invention for Competitive Exam
GK Questions and Answers on World Invention
Q.11 Who invented Aeroplane?
(A) Orville & Wilbur Wright in 1903
(B)Ralph H. Baer
(C) Percy Spencer
(D) Evangelista Torricelli
Ans . ┬а A
Q.12. Who invented Air Conditioning?
(A) Willis Carrier in 1902
(B) Federico Faggin
(C) Zacharias Janssen
(D) Percy Spencer
Ans . ┬а A
Q.13 Who invented Barometer?
(A) Evangelista Torricelli of Italy in 1644
(B) Steven Sasson
(C) Martin Cooper
(D) Dave Hyatt
Ans . ┬а A
Q.14 Who invented Ball-Point Pen?
(A) John J. Loud of U.S.A. in 1888
(B) Federico Faggin
(C) Zacharias Janssen
(D) Percy Spencer
Ans . ┬а A
Q.15 Who invented DNA Structure?
(A) Crick (UK), Waston (US), Wilkins (UK) in 1951
(B) Federico Faggin
(C) Zacharias Janssen
(D) Percy Spencer
Ans . ┬а A
Q.16. Who invented Laser?
(A) Charles H. Townes
(B) Ralph H. Baer
(C) Percy Spencer
(D) Evangelista Torricelli
Ans . ┬а A
Q.17 Who invented Locomotive?
(A) George Stephenson was first to buit steam locomotives.
(B) Steven Sasson
(C) Martin Cooper
(D) Dave Hyatt
Ans . ┬а A
Q.18 Who invented Logarithms?
(A) John Napier (Scotland) invented Logarithm
(B) Federico Faggin
(C) Zacharias Janssen
(D) Percy Spencer
Ans . ┬а A
Q.19 Who invented Machine Gun?
(A) Helge Palmcrantz, Swedish inventor and industrialist
(B) Federico Faggin
(C) Zacharias Janssen
(D) Percy Spencer
Ans . ┬а A
Q.20 Who invented HIV?
(A) ┬а Dr Robert Gallo invented HIV test
(B) Federico Faggin
(C) Zacharias Janssen
(D) Percy Spencer
Ans . ┬а A
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Rajesh Bhatia
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