General knowledge Material- all Competitive

Who synthesized the first wholly artificial gene?
  1. Hargobind Khorana
  2. J.J. Thompson
  3. Benjamin Franklin
  4. Meghnad Saha
When was the Raggedy Ann doll patented?
  1. 1915
  2. 1920
  3. 1919
  4. 1911
What Frank Whittle invented?
  1. Radar
  2. Ethyl gasoline
  3. Sonar
  4. Jet propulsion
In which decade was the AEEE (now the IEEE) founded?
  1. 1850s
  2. 1880s
  3. 1930s
  4. 1950s
When was the first Lionel trains manufactured?
  1. 1920
  2. 1890
  3. 1901
  4. 1944
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