Pocket watch Quiz App Download | Inventions Quiz e-Book PDF | 45
Inventions MCQs (Grade 8) From Textbook

Inventions Entrance Exam MCQs – Mock Test 45

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Pocket watch Quiz with Answers PDF Download – Mock Test 45

MCQ 221: In which one of the following country pocket watch was patented?

  1. Chille
  2. Congo
  3. Jordan
  4. Germany

MCQ 222: 28 Keys piano is an invention of:

  1. Dr Dennis Colonello
  2. Sir Bartolomeo Cristofori
  3. Sir Otto Blathy
  4. Sir James Hillier

MCQ 223: The double edge safety razor was invented by:

  1. Sir Mathew Maury
  2. Sir Robert Bunsen
  3. Sir King Camp Gillette
  4. Sir Gideon Sundback

MCQ 224: Which one of the following scientist got credit for building a first map of the World?

  1. Sir Thomas Edison
  2. Sir Frank Whittle
  3. Sir Anaximander
  4. Sir Johannes Gutenberg

MCQ 225: Magnetic resonance imaging was invented by:

  1. Sir Stephen Poplawski
  2. Sir Raymond Damadian
  3. Sir Martin Cooper
  4. Sir Tim Berners Lee

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