General Awareness ยท 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 the telephone?

  1. Alexander Graham Bell

  2. Thomas Edison

  3. Nikola Tesla

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

Alexander Graham Bell invented the telephone in 1876. He was a Scottish-born scientist and inventor.

Multiple choice

Who invented the television?

  1. John Logie Baird

  2. Vladimir K. Zworykin

  3. Philo Farnsworth

  4. Charles Francis Jenkins
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Philo Farnsworth invented the television in 1927. He was an American inventor and engineer.

Multiple choice

Who invented the integrated circuit?

  1. Jack Kilby

  2. Robert Noyce

  3. Gordon Moore

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

Jack Kilby invented the integrated circuit in 1958. He was an American electrical engineer.

Multiple choice

Which of these is considered to be the first artificial intelligence (AI) system?

  1. ELIZA

  2. SHRDLU

  3. PARRY

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

ELIZA is considered to be the first artificial intelligence (AI) system. It was developed by Joseph Weizenbaum in 1966.

Multiple choice

Which of the following is NOT a major scientific discovery of the Victorian Era?

  1. The law of conservation of energy

  2. The theory of evolution

  3. The germ theory of disease

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

The law of conservation of energy, the theory of evolution, and the germ theory of disease were all major scientific discoveries of the Victorian Era. The heliocentric theory was proposed by Nicolaus Copernicus in the 16th century.

Multiple choice

What did Alfred Russel Wallace contribute to the theory of evolution?

  1. Developed the concept of natural selection

  2. Co-authored 'On the Origin of Species' with Darwin

  3. Proposed the idea of common descent

  4. Discovered the mechanism of genetic inheritance
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Alfred Russel Wallace independently developed the theory of evolution through natural selection and proposed the idea of common descent, suggesting that all living organisms share a common ancestor.

Multiple choice

Which scientist proposed the inheritance of acquired characteristics?

  1. Charles Darwin

  2. Alfred Russel Wallace

  3. Jean-Baptiste Lamarck

  4. Thomas Malthus
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Jean-Baptiste Lamarck proposed the inheritance of acquired characteristics, suggesting that organisms could pass on traits acquired during their lifetime to their offspring.

Multiple choice

Which scientist introduced the concept of genetic variation?

  1. Gregor Mendel

  2. Charles Darwin

  3. Alfred Russel Wallace

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

Gregor Mendel, through his experiments with pea plants, introduced the concept of genetic variation and the laws of inheritance, providing a foundation for understanding the mechanisms of evolution.

Multiple choice

Which scientist proposed the theory of punctuated equilibrium?

  1. Stephen Jay Gould

  2. Niles Eldredge

  3. Charles Darwin

  4. Alfred Russel Wallace
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Stephen Jay Gould and Niles Eldredge proposed the theory of punctuated equilibrium, suggesting that evolution occurs in rapid bursts followed by periods of stability.

Multiple choice

Which scientist introduced the concept of genetic drift?

  1. Sewall Wright

  2. Ronald Fisher

  3. J.B.S. Haldane

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

Sewall Wright introduced the concept of genetic drift, which refers to the random fluctuation of gene frequencies in a population due to chance events.

Multiple choice

Which scientist proposed the theory of endosymbiosis?

  1. Lynn Margulis

  2. Charles Darwin

  3. Alfred Russel Wallace

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

Lynn Margulis proposed the theory of endosymbiosis, suggesting that eukaryotic cells evolved from the symbiotic relationship between prokaryotic cells.

Multiple choice

Which scientist proposed the concept of coevolution?

  1. Paul Ehrlich

  2. Peter Raven

  3. Charles Darwin

  4. Alfred Russel Wallace
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A Correct answer
Explanation

Paul Ehrlich and Peter Raven proposed the concept of coevolution, suggesting that the evolution of one species can influence the evolution of another species with which it interacts.

Multiple choice

Which of the following is a scientific instrument that was invented during the scientific revolution?

  1. The telescope

  2. The microscope

  3. The air pump

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The telescope, the microscope, and the air pump were all invented during the scientific revolution.

Multiple choice

Which of the following is an example of a Baroque scientific discovery?

  1. The discovery of the laws of motion

  2. The discovery of the circulation of blood

  3. The discovery of the germ theory of disease

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The discovery of the laws of motion, the discovery of the circulation of blood, and the discovery of the germ theory of disease are all examples of Baroque scientific discoveries.

Multiple choice

Who invented the printing press?

  1. Johannes Gutenberg

  2. William Caxton

  3. Benjamin Franklin

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

Johannes Gutenberg is credited with inventing the printing press in the 15th century, revolutionizing the way information was disseminated.