Select chapter



Inventions (6.papers)

Sponsored Links


  

inventions and inventors questions and answers

1
Rotation Of Earth was discovered by?
  1. Jean Bernard Foucault,France,1851
  2. King Gillette, U.S,1901
  3. Karl Jansky,U.S,1931
  4. Jacob Schick,U.S,1928
Show Answer
Share Facebook gmail Twitter
2
Rocket(Liquid Fuled) was invented by?
  1. Cyrus McCormick,U.S,1834
  2. Williard F.Libby,U.S,1947
  3. Charles Teller,France,1877
  4. Robert Goddard,U.S,1926
Show Answer
Share Facebook gmail Twitter
3
Who is the inventor of Revolver?
  1. Richard Hoe,U.S,1844
  2. Jocelyn Bell Burnel,England,1967
  3. Samuel Colt,U.S,1835
  4. Paul Ulrich Villard,France,1900
Show Answer
Share Facebook gmail Twitter
4
Refrigerator was invented by?
  1. Jacob Schick,U.S,1928
  2. Albert Einstein,Switzerland,1851
  3. Alexander Twining,U.S,James Harrison,Australia,1850
  4. Marie Sklodowska,Pierre Curie,France,1898
Show Answer
Share Facebook gmail Twitter
5
who invented Reaper?
  1. Cyrus McCormick,U.S,1834
  2. Richard Trevithick,England,1804
  3. Richard J Gatling,U.S,1862
  4. Edmund Cartwright,England,1785
Show Answer
Share Facebook gmail Twitter
6
Razor was invented by?
  1. Joseph Henry,U.S,1828
  2. King Gillette, U.S,1901
  3. Karl Jansky,U.S,1931
  4. Louis Agassiz,Swiss-American,1840
Show Answer
Share Facebook gmail Twitter
7
Who is the inventor of Radio Waves?
  1. Robert Watson-Watt,Scotland,1934
  2. Louis Pasteur,France,1885
  3. Marten Schmidt,U.S,1963
  4. Karl Jansky,U.S,1932
Show Answer
Share Facebook gmail Twitter
8
Radiocarbon  dating,Carbon-14 method was discovered by? 
  1. Merle Tuve,U.S,1925
  2. Paul-Ulrich Villard,France,1900
  3. Williard F.Libby,U.S,1947
  4. Edwin H.Armstrong,U.S,1912
Show Answer
Share Facebook gmail Twitter
9
When was Radiocarbon dating first demonstrated?
  1. U.S,1950
  2. France,1950
  3. U.S,1955
  4. France,1954
Show Answer
Share Facebook gmail Twitter
10
Rabies Immunization was invented by?
  1. Pierre de Fermat,Switzerland,1654
  2. Richard Taylor,U.S,1967
  3. Louis Pasteur,France,1885
  4. Marten Schmidt,U.S,1963
Show Answer
Share Facebook gmail Twitter
11
Who is the inventor of Quasars?
  1. Joseph Monier,France,1877
  2. Jocelyn Bell Burnel,England,1967
  3. Sigmund Freud,Austria,1904
  4. Marten Schmidt,U.S,1963
Show Answer
Share Facebook gmail Twitter
12
General Quantam Theory was invented by?
  1. Edwin L.Darke ,U.S,1859
  2. Karl Scheele,Sweden,1773
  3. Klaus K.Schmiegel,U.S,1972
  4. Max Planck,Germany,1900
Show Answer
Share Facebook gmail Twitter
13
Sub atomicQuantum Theory was invented by?
  1. Joseph Henry,U.S,1832
  2. Niels Bohr,Denmark,1913
  3. Galileo Galilei,Italy,1590
  4. Wolfgang Pauli,Germany,1925
Show Answer
Share Facebook gmail Twitter
14
Who invented Psychoanalysis?
  1. Morton Mower,U.S,1930
  2. Eli Whitney,U.S,1793
  3. Antony Hewish,England,1967
  4. Sigmund Freud,Austria,1904
Show Answer
Share Facebook gmail Twitter
15
Proton was invented by?
  1. Emeset Rutherford,England,1919
  2. Rene Descartes,France,1654
  3. Louis S.Lenormand,France,1783
  4. Joseph Priestley,England,17174
Show Answer
Share Facebook gmail Twitter
16
Who invented Positron?
  1. Theodor Schwann,U.S,1929
  2. Robert Koch,Germany,1883
  3. Carl D.Anderson,U.S,1932
  4. John Dalton,England,1808
Show Answer
Share Facebook gmail Twitter
17
Plate tectonics was invented by?
  1. Haffmann-La Roche,Switzerland,1970
  2. Alfred Wegener,Germany,1912-1915
  3. William Gilbert,Germany,1902-1905
  4. Joseph-Marie Jacquard,U.S,1914-1917
Show Answer
Share Facebook gmail Twitter
18
Photosynthesis was discovered by?
  1. Nikola Tesla,U.S,1892
  2. Enrico Fermi,Italy,1942
  3. Edwin L Drake,U.S,1859
  4. Jan Ingenhousz,Holland,1779
Show Answer
Share Facebook gmail Twitter
19
Who discovered Laws of Planetary Motion?
  1. Eli Whitney,U.S,1793
  2. Benjamin Franklin,Germany,1760
  3. Johannes Kepler,Germany,1609
  4. Glenn T.Seaborg,U.S,1941
Show Answer
Share Facebook gmail Twitter
20
Piano was invented by?
  1. Gottileb Daimler,Germany,1885
  2. Dr.Felix Hoffmann,Germany,1899
  3. Bartolomeo Cristofori,Italy,1709
  4. Elmer A.Sperry,U.S,1910
Show Answer
Share Facebook gmail Twitter
Read more papers :