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Inventions and Discoveries

General Knowledge
36. The cause of Beri Beri was discovered by
 
  • A. Eijkman
  • B. Macmillan
  • C. Alexanderson
  • D. Cockrell
 
37. Atomic theory was devised by
 
  • A. Mosley
  • B. John Dalton
  • C. Daimler
  • D. none of these
 
 
38. Simpson and Harrison are associated with the invention of
 
  • A. Boson
  • B. Chloroform
  • C. Balloon
  • D. None of these
 
39. The field of activity of J.C. Bose was
 
  • A. Zoology
  • B. Botany
  • C. Chemistry
  • D. None of these
 
40. To an astronaut, the outer space appears
 
  • A. White
  • B. Crimson
  • C. Deep Blue
  • D. Black