7
Q:

Which object, initially called the 'Whirlwind', was invented by Ives McGaffey in 1869 ?

A) Washing machine B) Electric mixer
C) Vacuum cleaner D) Blender

Answer:   C) Vacuum cleaner



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Subject: Inventions
Q:

Inventor of Instant Noodles was a citizen of which country?

A) China B) South Korea
C) Japan D) North Korea
 
Answer & Explanation Answer: C) Japan

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Q:

Who Invented airbag?

A) Wright brothers B) Reynold B. Johnson
C) Assen Jordanoff D) Ken Kutaragi
 
Answer & Explanation Answer: C) Assen Jordanoff

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Q:

Who Invented LED?

A) Nick Holonyak B) Elias Howe
C) Chuck Hull D) Christiaan Huygens
 
Answer & Explanation Answer: A) Nick Holonyak

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Q:

Who Invented Internet Protocol?

A) Vint Cerf B) David Chaum
C) Georges Claude D) Josephine Cochrane
 
Answer & Explanation Answer: A) Vint Cerf

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Q:

Who invented "Coca Cola"?

A) Floyd Paxton B) Les Paul
C) John Pemberton D) Forrest Parry
 
Answer & Explanation Answer: C) John Pemberton

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Q:

Who Invented postage stamp?

A) Ruth Handler B) John Harington
C) Rowland Hill D) Felix Hoffmann
 
Answer & Explanation Answer: C) Rowland Hill

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Q:

Who discovered Fullerene (an allotrope of carbon)?

A) K Scheele B) Richard Smalley
C) Faraday D) Heisenberg
 
Answer & Explanation Answer: B) Richard Smalley

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Q:

Who Invented Laser?

A) William Friese­Greene B) Arthur Fry
C) Gordon Gould D) Otto von Guericke
 
Answer & Explanation Answer: C) Gordon Gould

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