Who invented 'Portland Cement'?
(A) Michael Faraday
(B) Guglielmo Marconi
(C) Joseph Aspdin
(D) Isaac Newton
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
Who invented the electric bulb?
(A) Thomas More
(B) Thomas Alva Edison
(C) James Watt
(D) None of these
Myrmecology is the study of what?
(A) Insect
(B) Ants
(C) Crustacean
(D) Arthropods
Who discovered 'linkage'?
(A) Blackslee
(B) Morgan
(C) Mueller
(D) Bateson
Name the branch of zoology in which the scientific study of animal behaviour is done.
(A) Ecology
(B) Physiology
(C) Bio-ecology
(D) Anatomy
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
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
How is the purity of milk measured?
(A) hydrometer
(B) lactometer
(C) stalagmometer
(D) Thermometer
Which of the following machines was made by Charles Babbage?
(A) Analytical Engine
(B) Arithmetic Engine
(C) Tabulation device
(D) Punched card
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