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Q:

Who pioneered diagnostic ultrasound?

A) Alexander Fleming B) Ian Donald
C) A. Laveran D) Robert Koch
 
Answer & Explanation Answer: B) Ian Donald

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Q:

Which dynasty had its capital at Chittorgarh?

A) Chauhan B) Sisodia
C) Hada D) Rathor
 
Answer & Explanation Answer: B) Sisodia

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Q:

Who invented the mouse of a computer?

A) John Backus B) Charles Babbage
C) Douglas Engelbart D) Simon Colton
 
Answer & Explanation Answer: C) Douglas Engelbart

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Q:

Who invented Television?

A) J L Baird B) Aristotle
C) James Clerk Maxwell D) Nikola Tesla
 
Answer & Explanation Answer: A) J L Baird

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Q:

Who discovered X-rays?

A) W. C. Roentgen B) Albert Einstein
C) Samuel Cohen D) Edward Taylor
 
Answer & Explanation Answer: A) W. C. Roentgen

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Q:

Who Invented the 3-D printer?

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

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Q:

Who discovered Insulin?

A) Sir Alexander Fleming B) Frederick Banting
C) James Watt D) Sir F.G. Hopkins
 
Answer & Explanation Answer: B) Frederick Banting

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Q:

Electric tram was invented by?

A) Fyodor Pirotsky B) Arthur Pitney
C) Fritz Pfleumer D) Stephen Perry
 
Answer & Explanation Answer: A) Fyodor Pirotsky

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