DISCOVERIES AND INVENTIONS (MCQs)

Electric generator was invented by Hippolyte Pixil of _______ in 1832.

• (A) Germany
• (B) France
• (C) Italy
• (D) England

Mention the inventor of printing press?

• (A) Graham Bell
• (B) James Watt
• (C) Guglielmo Marconi
• (D) Johann Gutenberg

Who invented the ‘Java Language’?

• (A) James Gosling
• (B) Steve Job
• (C) Grace Hopper
• (D) Deniss Richte

‘Knitting machine’ was invented by:

• (A) John Kay
• (B) William Lee
• (C) Emile Berliner
• (D) John D. Isaacs

Italian inventor ‘Guglielmo Marconi’ invented:

• (A) Television
• (B) Radio
• (C) Camera
• (D) Tape recorder

Who invented ‘Dynamo’?

• (A) Macmillan
• (B) Pascal
• (C) Michael Faraday
• (D) James Jeans

Oxygen was discovered by:

• (A) Rutherford
• (B) Priestly
• (C) Neil Bohr
• (D) William Ramsay

Mention the discoverer of chloroform?

• (A) Hahn
• (B) Guthrie
• (C) Hess
• (D) Hoist

Who discovered ‘Aspirin’ in 1897?

• (A) Barnard
• (B) Fisher
• (C) Felix Hoffman
• (D) McLeod

Which scientist discovered blood circulation for the first time?

• (A) William Harvey
• (B) Robert Koch
• (C) Ronald Ross
• (D) Joseph Lister