Inventions-General Knowledge questions and answers

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inventions general knowledge questions

Inventions-General Knowledge questions and answers

41. The Solar System was discoverd by

A. Galleleo
B. Finsen
C. Copernicus
D. None of these


42. Landstrom invented

A. Metallurgy
B. Gas Engine
C. Safety Match
D. none of these


43. Bicycle was invented by

A. Alexanderson
B. Macmillan
C. Eijkman
D. none of these


44. Cholera Bascillus was invented by

A. Hoffman
B. Dunlop
C. Joseph Lister
D. Robert Koch


45. D.D.T. was invented by

A. Paul Muller
B. John Dalton
C. Rudolf
D. None of these


46. The theory of Evolution was produced by

A. Darwin
B. Einstein
C. Newton
D. Mendel


47. Neutron was discovered by

A. Marie Curie
B. Mendeleef
C. Rutherford
D. Chadwick


48. Cinematography was invented by

A. Graham Bell
B. Edison
C. Zeiss
D. Faraday


49. Inert gases were discovered by

A. Dalton
B. Newton
C. Roentgen
D. Ramsay


50. Who discovered oxygen?

A. Lavoisier
B. Joseph Priestley
C. Dalton
D. Swinton


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