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Q:

The first gasoline-run car engine was developed by

 

A) Henry Ford B) Carl Benz
C) Hugh Chalmers D) Horace Elgin Dodge

Answer:   B) Carl Benz



Explanation:
Subject: Inventions
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Streptomycin was invented by

A) Fleming B) Marie Curie
C) Walksman D) None of these
 
Answer & Explanation Answer: C) Walksman

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1 3362
Q:

Bushwell invented

A) Atomic Bomb B) Submarine
C) Urey D) Hovercraft
 
Answer & Explanation Answer: B) Submarine

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13 7678
Q:

D.D.T. was invented by

A) Paul Muller B) John Dalton
C) Rudolf D) None of these
 
Answer & Explanation Answer: A) Paul Muller

Explanation:

Swiss chemist Paul Hermann Muller discovered DDT (dichloro-diphenyl-trichloroethane) noted its effectiveness as a pesticide during World War II to control malaria and typhus among civilians and troops, a discovery that earned him a Nobel Prize in 1948.

 

It was first synthesized in the year 1874.

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60 22981
Q:

Landstrom invented

A) Metallurgy B) Gas Engine
C) Safety Match D) None of these
 
Answer & Explanation Answer: C) Safety Match

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6 8369
Q:

Toricelli invented

A) Automobile B) Barometer
C) Stethoscope D) None of these
 
Answer & Explanation Answer: B) Barometer

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1 2129
Q:

Telegrahic code was introduced by

A) Lipman B) Macmillan
C) Thomas Moore D) Cockrell
 
Answer & Explanation Answer: C) Thomas Moore

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1 2033
Q:

Helicopter was invented by

A) Drinker B) Broquet
C) Copernicus D) Cockrell
 
Answer & Explanation Answer: B) Broquet

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61 14421
Q:

Simpson and Harrison are associated with the invention of

A) Boson B) Chloroform
C) Balloon D) None of these
 
Answer & Explanation Answer: B) Chloroform

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