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

Which of the following is a major scientific discovery of the Age of Enlightenment?

  1. The law of universal gravitation

  2. The circulation of blood

  3. The germ theory of disease

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

The law of universal gravitation is a major scientific discovery of the Age of Enlightenment. It was discovered by Isaac Newton and published in his Principia Mathematica in 1687.

Multiple choice

Who deciphered the Linear B script?

  1. Michael Ventris

  2. John Chadwick

  3. Alice Kober

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

Michael Ventris, a British architect and amateur linguist, deciphered the Linear B script in 1952.

Multiple choice

Which of the following is an example of a scientific discovery that was influenced by intuition?

  1. The discovery of penicillin

  2. The development of the theory of relativity

  3. The invention of the telescope

  4. The formulation of the periodic table
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Albert Einstein's development of the theory of relativity is often cited as an example of a scientific discovery that was influenced by intuition and creative thinking.

Multiple choice

What was the first artificial intelligence (AI) system?

  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 1966, was the first AI system capable of carrying out a conversation with a human user.

Multiple choice

Which astronomer discovered the cosmic microwave background radiation?

  1. Arno Penzias

  2. Robert Wilson

  3. George Smoot

  4. John Mather
Reveal answer Fill a bubble to check yourself
Correct answer
Explanation

Arno Penzias and Robert Wilson were American astronomers who discovered the cosmic microwave background radiation in 1965.

Multiple choice

Who is credited with the idea of a space-based telescope?

  1. Edwin Hubble

  2. Lyman Spitzer

  3. James Webb

  4. Albert Einstein
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Lyman Spitzer, an American astrophysicist, is credited with proposing the idea of a space-based telescope in his 1946 report titled 'Astronomical Advantages of an Extra-Terrestrial Observatory'.

Multiple choice

Which scientific discovery led to the development of photography, revolutionizing the way artists captured and depicted reality?

  1. X-rays

  2. Radioactivity

  3. Electricity

  4. Light-Sensitive Materials
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The discovery of light-sensitive materials, such as silver salts, enabled the development of photography. These materials react to light, creating a latent image that can be chemically processed to produce a permanent photograph.

Multiple choice

What was the name of the German physician who discovered the tubercle bacillus?

  1. Robert Koch

  2. Louis Pasteur

  3. Joseph Lister

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

Robert Koch discovered the tubercle bacillus in 1882, which was a major breakthrough in the fight against tuberculosis.

Multiple choice

What was the name of the French physician who developed the first effective vaccine against tuberculosis?

  1. Albert Calmette

  2. Camille Guerin

  3. Jean-Antoine Villemin

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

Albert Calmette and Camille Guerin developed the first effective vaccine against tuberculosis in 1921, which was known as the BCG vaccine.

Multiple choice

What was the name of the American physician who developed the first effective drug treatment for tuberculosis?

  1. Selman Waksman

  2. William H. Feldman

  3. Edward L. Trudeau

  4. John Alexander Crowell
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Selman Waksman discovered streptomycin in 1943, which was the first effective drug treatment for tuberculosis.

Multiple choice

Which experiment demonstrated that organic molecules could be formed from inorganic molecules under conditions similar to those found on early Earth?

  1. Miller-Urey Experiment

  2. Stanley Miller Experiment

  3. Harold Urey Experiment

  4. Louis Pasteur Experiment
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The Miller-Urey Experiment demonstrated that organic molecules could be formed from inorganic molecules under conditions similar to those found on early Earth.

Multiple choice

Which of the following is an example of the social construction of scientific knowledge?

  1. The development of the theory of evolution by natural selection

  2. The discovery of the structure of DNA

  3. The development of the atomic bomb

  4. The discovery of penicillin
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The development of the theory of evolution by natural selection is an example of the social construction of scientific knowledge. This theory was developed through a process of social interaction and negotiation among scientists, and it was influenced by the social and cultural context of the time. This means that the theory of evolution by natural selection is not simply a reflection of objective reality, but rather is a product of the social and cultural context in which it was developed.

Multiple choice

What was 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 was the first artificial intelligence program, as it was the first program that could simulate human conversation.

Multiple choice

Which scientific discovery led to the development of new pigments and colors that revolutionized the art world in the 19th century?

  1. The discovery of X-rays

  2. The discovery of radioactivity

  3. The discovery of the electromagnetic spectrum

  4. The discovery of the periodic table
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The discovery of the periodic table by Dmitri Mendeleev in 1869 provided chemists with a systematic understanding of the elements and their properties, leading to the development of new pigments and dyes that expanded the palette of colors available to artists.

Multiple choice

Who first proposed the De Broglie-Bohm interpretation of quantum mechanics?

  1. Louis de Broglie

  2. David Bohm

  3. John Bell

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

Louis de Broglie first proposed the De Broglie-Bohm interpretation of quantum mechanics in 1927.