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.

Famous inventionsNobel Prize winnersScientific conceptsKey inventors

Inventors and Scientific Discoveries Questions

Multiple choice
  1. Richard Arkwright

  2. Edmund Cartwright

  3. Samuel Crompton

  4. Samuel Slater

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

Samuel Crompton invented the spinning mule in 1779, which combined features of the spinning jenny and the water frame to produce stronger, finer yarn.

Multiple choice
  1. Newcomen Steam Engine

  2. Flying Shuttle

  3. Power Loom

  4. Water Frame

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

John Kay invented the flying shuttle in 1733, which allowed a single weaver to weave much wider fabrics and increased the speed of weaving significantly.

Multiple choice
  1. John Kay

  2. Richard Arkwright

  3. James Hargreaves

  4. Edmund Cartwright

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

James Hargreaves invented the spinning jenny around 1764, which allowed a worker to spin multiple spools of thread simultaneously.

Multiple choice
  1. the property of Indian steel

  2. the ancient Indian culture

  3. the properties of Indian Wootz

  4. None of these

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

Michael Faraday, the famous scientist, conducted extensive research on the properties of Indian Wootz steel to understand its unique metallurgical characteristics.

Multiple choice
  1. Weschler

  2. Stern

  3. Spearman

  4. Frued

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

David Wechsler developed the Wechsler Adult Intelligence Scale (WAIS), with WAIS-IV being the fourth edition. The test bears his name and represents his approach to intelligence assessment.

Multiple choice
  1. Galton

  2. Terman

  3. Binet

  4. Stern

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

Lewis Terman, a psychologist at Stanford University, adapted the Binet-Simon scale to create the Stanford-Binet Intelligence Scale.

Multiple choice
  1. Charles Darwin

  2. Gregor Mendel

  3. Albert Einstein

  4. Isaac Newton

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

Sir Isaac Newton was born on December 25, 1642, according to the Julian calendar used in England at the time. The other scientists listed were born on different dates.

Multiple choice
  1. active

  2. passive

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

The subject 'Thomas Edison' is the doer of the action 'invented'. This is a standard active voice sentence structure.