Science and Technology Gk Questions and Answers

21. ISRO Navigation centre inaugurated near Bangalore by
  A.  V. Krishnamurthy
  B.  C.K. Ramaswami
  C.  V. Narayanasamy
  D.  Chetak
Answer
Ans: C
V. Narayanasamy
22. ISRO has launched GSLV D5 to place the communication satellite in orbit on Jan 5, 2014 is
  A.  GSAT-14
  B.  GSAT-15
  C.  GSAT-16
  D.  GSAT-17
Answer
Ans: A
GSAT-14
23. World's first green Helicopter tested in Germany named
  A.  Domocopter
  B.  Greenocopter
  C.  Nalocopter
  D.  Volocopter
Answer
Ans: D
Volocopter
24. The world's lightest substance produced by China called
  A.  Carbon Aerogel
  B.  Carbon Aero
  C.  Carbon Aerosol
  D.  None of these
Answer
Ans: A
Carbon Aerogel
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