General Awareness ยท Science General

Inventors and Scientific Discoveries

4,454 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

Who founded the National Association of the Deaf (NAD)?

  1. Ed Roberts

  2. Justin Dart

  3. Thomas Gallaudet

  4. Helen Keller
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Thomas Gallaudet, an educator and minister, founded the National Association of the Deaf (NAD) in 1880. The NAD is the oldest and largest organization of deaf and hard of hearing people in the United States, advocating for their rights and promoting their well-being.

Multiple choice

Which scientist is credited with discovering the neutron?

  1. Albert Einstein

  2. Isaac Newton

  3. James Chadwick

  4. Marie Curie
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

James Chadwick discovered the neutron in 1932, earning him the Nobel Prize in Physics in 1935.

Multiple choice

Who is credited with discovering penicillin, the first antibiotic?

  1. Alexander Fleming

  2. Louis Pasteur

  3. Robert Koch

  4. Joseph Lister
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Alexander Fleming, a Scottish biologist, discovered penicillin in 1928 while studying a culture of the bacterium Staphylococcus aureus.

Multiple choice

Which scientist is credited with the discovery of the electron?

  1. Albert Einstein

  2. Max Planck

  3. J.J. Thomson

  4. Niels Bohr
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

J.J. Thomson discovered the electron in 1897 through his experiments with cathode rays.

Multiple choice

Who invented the telephone?

  1. Thomas Edison

  2. Alexander Graham Bell

  3. Guglielmo Marconi

  4. Nikola Tesla
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Alexander Graham Bell is credited with inventing the telephone in 1876.

Multiple choice

Which scientist discovered the structure of DNA?

  1. James Watson

  2. Francis Crick

  3. Rosalind Franklin

  4. Maurice Wilkins
Reveal answer Fill a bubble to check yourself
Correct answer
Explanation

James Watson and Francis Crick discovered the structure of DNA in 1953.

Multiple choice

Who invented the transistor?

  1. John Bardeen

  2. Walter Brattain

  3. William Shockley

  4. Gordon Teal
Reveal answer Fill a bubble to check yourself
Correct answer
Explanation

John Bardeen, Walter Brattain, and William Shockley invented the transistor in 1947.

Multiple choice

Which scientist developed the theory of evolution by natural selection?

  1. Charles Darwin

  2. Alfred Russel Wallace

  3. Thomas Malthus

  4. Jean-Baptiste Lamarck
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Charles Darwin developed the theory of evolution by natural selection in the 19th century.

Multiple choice

Who invented the printing press?

  1. Johannes Gutenberg

  2. William Caxton

  3. Aldus Manutius

  4. Robert Estienne
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Johannes Gutenberg invented the printing press in the 15th century.

Multiple choice

What is the name of the first artificial intelligence program?

  1. ELIZA

  2. SHRDLU

  3. MYCIN

  4. DENDRAL
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

ELIZA, developed by Joseph Weizenbaum in the 1960s, was the first artificial intelligence program.

Multiple choice

Which of the following is not a scientific discovery made during the Scientific Revolution?

  1. The heliocentric theory

  2. The law of universal gravitation

  3. The circulation of blood

  4. The theory of evolution
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The theory of evolution was not discovered during the Scientific Revolution, but rather in the 19th century by Charles Darwin.

Multiple choice

What was the name of the scientific method that was developed during the Scientific Revolution?

  1. The inductive method

  2. The deductive method

  3. The experimental method

  4. The hypothetico-deductive method
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The hypothetico-deductive method is a scientific method that involves formulating a hypothesis, testing the hypothesis through experimentation, and then drawing conclusions based on the results of the experiment.

Multiple choice

Which of the following is not a major scientific discovery made during the Scientific Revolution?

  1. The circulation of blood

  2. The law of universal gravitation

  3. The theory of evolution

  4. The germ theory of disease
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The theory of evolution was not discovered during the Scientific Revolution, but rather in the 19th century by Charles Darwin.

Multiple choice

Who was the first deaf person to graduate from college in the United States?

  1. Thomas Hopkins Gallaudet

  2. Laurent Clerc

  3. John Carlin

  4. Helen Keller
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

John Carlin was the first deaf person to graduate from college in the United States. He graduated from Georgetown University in 1850.

Multiple choice

Who is credited with inventing the first practical radio receiver?

  1. Guglielmo Marconi

  2. Heinrich Hertz

  3. Thomas Edison

  4. Lee De Forest
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Lee De Forest invented the Audion, the first practical radio receiver, in 1906.