1. In an electric bulb, the filament is made of
  copper
tungsten
platinum
None of these
2. Khonds were primitive tribes living in
  Orissa
Bihar
Bengal
Assam
3. Hardware is related to
  Calculator
Dress items
Acids
Computers
4. 'Radar' is used to detect
  flying objects
military tanks
artilleries
None of these
5. Mercury is obtained from
  Bauxite
Galena
Cinnabar
None of these
6. Direct conversion of solar energy by the use of photo-voltaic cell results in the production of
  optical energy
electrical energy
thermal energy
Mechanical energy
7. 'Type metal' is made by composition of
  Copper, Tin & Zinc
Lead, Antimony & Tin
Nickel, Chromium & Zinc
None of these
8. MTNL came into existence in
  1986
1984
1985
1983
9. When was Air Transport taken over by the Government?
  1950
1955
1960
1953
10. The largest gland in the human body is
  Pituitary
Liver
Adrenal
None of these

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