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Inventions and Discoveries

General Knowledge
16. Thermo Flask was invented by
 
  • A. Dewar
  • B. Daimler
  • C. Urey
  • D. John Napier
 
17. Typewriter was invented by
 
  • A. Shockley
  • B. Sholes
  • C. Howe
  • D. none of these
 
 
18. Blood Circulation was discovered by
 
  • A. Louis
  • B. Alexander Fleming
  • C. William Harvey
  • D. none of these
 
19. Streptomycin was invented by
 
  • A. Fleming
  • B. Marie Curie
  • C. Walksman
  • D. None of these
 
20. Analytical Engine was invented by
 
  • A. Dewar
  • B. Charles Babbage
  • C. Daimler
  • D. None of these