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Inventions MCQs (Grade 8) From Textbook

Inventions MCQs – Mock Test 66

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Crayons MCQ – Mock Test 66 PDF Download

MCQ 326: Which one of them invents crayons?

  1. Sir George Smith
  2. Sir Willard Boyle
  3. Sir Firs Cry
  4. Sir O.A North

MCQ 327: Which one of the following received a patent for the far ultraviolet camera?

  1. Sir Walter Wingfield
  2. Sir George Carruthers
  3. Sir Walter Brattain
  4. Sir T.J Blachut

MCQ 328: Foot Bag was invented by:

  1. Sir Gideon Sundback
  2. Sir John Stalberger
  3. Sir Henry W. Seelay
  4. Sir Schuyler Skaats Wheeler

MCQ 329: Halftone engraving was patented by:

  1. Sir Nikola Tesla
  2. Sir Desbarats
  3. Sir William Augustus Legge
  4. both b and c

MCQ 330: Which one of the following invented the first self-contained Digital Camera?

  1. Sir Josip Belusic
  2. Sir Thomas Edison
  3. Sir Igory Sikorsky
  4. Sir Steven Sasson

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