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

Who is credited with developing the first antibiotic?

  1. Alexander Fleming

  2. Selman Waksman

  3. Howard Florey

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

Alexander Fleming is credited with developing the first antibiotic, penicillin, in 1928.

Multiple choice

Which medical breakthrough in the 1920s revolutionized the treatment of diabetes?

  1. Discovery of insulin

  2. Development of antibiotics

  3. Invention of the X-ray machine

  4. Identification of the poliovirus
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The discovery of insulin in 1921 by Frederick Banting and Charles Best was a major breakthrough in the treatment of diabetes, as it allowed for the regulation of blood sugar levels in diabetic patients.

Multiple choice

What was the name of the first successful heart transplant performed in the 1960s?

  1. Christiaan Barnard

  2. Norman Shumway

  3. Adrian Kantrowitz

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

Christiaan Barnard performed the first successful heart transplant in 1967, revolutionizing the field of cardiac surgery.

Multiple choice

What was the name of the first successful in vitro fertilization (IVF) procedure performed in the 1970s?

  1. Louise Brown

  2. Robert Edwards

  3. Patrick Steptoe

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

Louise Brown was the first baby born through IVF in 1978, marking a significant breakthrough in reproductive medicine.

Multiple choice

What was the name of the first successful artificial heart transplant performed in the 1980s?

  1. Robert Jarvik

  2. William DeVries

  3. Barney Clark

  4. Willem Kolff
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Barney Clark was the first recipient of a permanent artificial heart in 1982, marking a significant milestone in cardiac surgery.

Multiple choice

What was the name of the first successful kidney transplant performed in the 1950s?

  1. Joseph Murray

  2. Richard Lawler

  3. John Merrill

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

Joseph Murray performed the first successful kidney transplant in 1954, opening up new possibilities for organ transplantation.

Multiple choice

Who is credited with inventing the daguerreotype process?

  1. Louis Daguerre

  2. Nicéphore Niépce

  3. William Henry Fox Talbot

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

Louis Daguerre is credited with inventing the daguerreotype process in 1837.

Multiple choice

Which historical figure is the subject of "The Wright Brothers" by Russell Freedman?

  1. Thomas Edison

  2. Alexander Graham Bell

  3. The Wright Brothers

  4. Henry Ford
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The story follows the lives of Orville and Wilbur Wright, the inventors of the airplane.

Multiple choice

The concept of zero in measurement was first developed by:

  1. The ancient Egyptians

  2. The ancient Babylonians

  3. The ancient Greeks

  4. The ancient Indians
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The concept of zero in measurement was first developed by the ancient Indians. They introduced the concept of 'sunya' or 'shunya,' which represented the absence of quantity and played a crucial role in the development of the decimal system.

Multiple choice

Who was the first deaf-blind person to graduate from Harvard Law School?

  1. Helen Keller

  2. Ed Roberts

  3. Justin Dart

  4. Haben Girma
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Haben Girma, a deaf-blind disability rights advocate, made history by becoming the first deaf-blind person to graduate from Harvard Law School in 2013. She has since become a prominent voice in the disability rights movement, advocating for accessibility and inclusion in various sectors.

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.