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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 Ceiling fan?

A) Lloyd Groff Copeman B) Bartolomeo Cristofori
C) Leonardo da Vinci D) Philip Diehl
 
Answer & Explanation Answer: D) Philip Diehl

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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:

Who discovered Photon?

A) George Crum B) Albert Einstein
C) Henry Cavendish D) Humphry Davy
 
Answer & Explanation Answer: B) Albert Einstein

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Q:

Who Invented PlayStation?

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

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Q:

Which of the following was the first antibiotic discovered by Alexander Fleming in 1928?

A) Penicillin B) Prontosil
C) Streptomycin D) Tetracyline
 
Answer & Explanation Answer: A) Penicillin

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Q:

Who invented the bifocal glasses?

A) Thomas Alva Edison B) Benjamin franklin
C) Evangelista D) Isaac Newton
 
Answer & Explanation Answer: B) Benjamin franklin

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Q:

Dishwasher was invented by ________.

A) John Barber B) Sir Henry Cole
C) Josephine Cochrane D) Bartolomeo Cristofori
 
Answer & Explanation Answer: C) Josephine Cochrane

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