General Awareness · Science General

Inventors and Scientific Discoveries

4,616 Questions

This hub provides questions related to great inventors and their scientific discoveries. It covers the inventors of the telephone, radio, and microchips, alongside Nobel Prize winners. These facts are crucial for the general awareness section of major competitive exams.

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Inventors and Scientific Discoveries Questions

Multiple choice

Who invented Jacquard's loom?

  1. Gottfried Leibnitz

  2. Pascal

  3. Joseph Jacquard

  4. Charles Babbage

  5. None of these
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

He invented Jacquard's loom machine in 1801 AD.

Multiple choice

Who invented the difference engine?

  1. Pascal

  2. John Napier

  3. Charles Babbage

  4. Joseph Jacquard

  5. None of these

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

He invented the difference engine and analytical engine.

Multiple choice

Heterothallism was discovered by

  1. Blackeslee

  2. Bessey

  3. Butler

  4. A. Flemming

  5. -
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Heterothallic species have sexes that reside in different individuals. It was discovered by Blackeslee in a fungus.

Multiple choice

Amoeba was discovered by

  1. Russel von Rosenhoff

  2. Hyman

  3. Lyman and Losch

  4. Goldacre and Lorhe

  5. -
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Correct Answer: Russel von Rosenhoff