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Q:

Which of the following pairs is not matched?
(A) James Watt : Vapour Engine
(B) A. G.  Bell : Telephone
(C) J.L. Baird : Television
(D) J. Perkins : Penicillin

  • 1
    A
  • 2
    B
  • 3
    C
  • 4
    D
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Answer : 4. "D"

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GK General Science Questions

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