41.
D.D.T. was invented by
A
Paul Muller
B
John Dalton
C
Rudolf
D
None of these
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D.D.T. was invented by
Paul Muller
John Dalton
Rudolf
None of these
Cinematography was invented by
Graham Bell
Edison
Zeiss
Faraday
Cholera Bascillus was invented by
Hoffman
Dunlop
Joseph Lister
Robert Koch
Simpson and Harrison are associated with the invention of
Boson
Chloroform
Balloon
None of these
Centigrade Thermometer was discovered by
Galilio
William Harvey
Andrius Celsius
Willbert Right-Arvili Right
The field of activity of J.Bose was
Zoology
Botany
Chemistry
None of these
Blood Circulation was discovered by
Louis
Alexander Fleming
William Harvey
None of these
Bicycle was invented by
Alexanderson
Macmillan
Eijkman
None of these
The cause of Beri Beri was discovered by
Eijkman
Macmillan
Alexanderson
Cockrell
Toricelli invented
Automobile
Barometer
Stethoscope
None of these
Bacteria Protozoa was discovered by
Nicholas Copemicus
John Guten Burg
Louis Pasteur
Leeuwen Hoek
Atomic theory was devised by
Mosley
John Dalton
Daimler
none of these
Analytical Engine was invented by
Dewar
Charles Babbage
Daimler
None of these
Air conditioner was discovered by
Edison
Wilson
Carrier
Roentgen