Inventions-General Knowledge questions and answers
Who invented 'Portland Cement'?
(A) Michael Faraday
(B) Guglielmo Marconi
(C) Joseph Aspdin
(D) Isaac Newton
Correct Answer : C
Explanation :
Joseph Aspdin discovered 'Portland cement' in the year 1824. He produced cement by heating powdered limestone and mixing it with clay in a furnace. Later, grinding the clinker to a powder. He thus named the product “Portland Cement”.
By whom was bacteriophage discovered?
(A) Felix de Herrell and Frederic Twort
(B) Kluywer and Niel
(C) Paul Ehrlich
(D) Burrill and Smith
Correct Answer : A
Who invented the electric bulb?
(A) Thomas More
(B) Thomas Alva Edison
(C) James Watt
(D) None of these
Correct Answer : B
Myrmecology is the study of what?
(A) Insect
(B) Ants
(C) Crustacean
(D) Arthropods
Correct Answer : B
Who discovered 'linkage'?
(A) Blackslee
(B) Morgan
(C) Mueller
(D) Bateson
Correct Answer : D
Name the branch of zoology in which the scientific study of animal behaviour is done.
(A) Ecology
(B) Physiology
(C) Bio-ecology
(D) Anatomy
Correct Answer : C
Who among the following was the leader of the team that developed the “web browser” named Mosaic?
(A) Mark Anderson
(B) Bob Kahn
(C) Paul Mokapetris
(D) Tim Berners-Lee
Correct Answer : A
Who among the following person is associated with the creation of "Pentium Chip"?
(A) Arun Netravalli
(B) Sabeer Bhatia
(C) C. Kumar Patel
(D) Vinod Dham
Correct Answer : D
How is the purity of milk measured?
(A) hydrometer
(B) lactometer
(C) stalagmometer
(D) Thermometer
Correct Answer : B
Which of the following machines was made by Charles Babbage?
(A) Analytical Engine
(B) Arithmetic Engine
(C) Tabulation device
(D) Punched card
Correct Answer : A
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Rajesh Bhatia
A Writer, Teacher and GK Expert. I am an M.A. & M.Ed. in English Literature and Political Science. I am highly keen and passionate about reading Indian History. Also, I like to mentor students about how to prepare for a competitive examination. Share your concerns with me by comment box. Also, you can ask anything at linkedin.com/in/rajesh-bhatia-7395a015b/.
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