Inventions and Discoveries MCQs

Static General Knowledge

Inventions and Discoveries MCQs

Practice Inventions and Discoveries MCQs with answers and detailed explanations covering famous inventors, scientific discoveries, technological innovations, important inventions, groundbreaking research, Nobel-winning discoveries and contributions to science and technology frequently asked in SSC, Railway, Banking, UPSC, JKSSB, Police, Defence, Teaching and other competitive examinations.

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Question #41
The invention of the jet engine is attributed to which British engineer?
A. James Dyson
B. Frank Whittle
C. Christopher Cockerell
D. Hans von Ohain
Discuss
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Correct Answer: Option B

Explanation:
Sir Frank Whittle submitted the first patent for a turbojet engine in 1930, though Germany's Hans von Ohain built the first operational jet plane independently later.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #42
Who discovered the mathematical value and formula for the Universal Gravitational Constant ($G$) using a torsion balance?
A. Robert Hooke
B. Albert Einstein
C. Isaac Newton
D. Henry Cavendish
Discuss
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Correct Answer: Option D

Explanation:
Henry Cavendish measured the density of the Earth and effectively calculated the value of the gravitational constant $G$ in 1798.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #43
The process of pasteurization to destroy harmful microbes in milk and wine was developed by whom?
A. Alexander Fleming
B. Robert Koch
C. Louis Pasteur
D. Joseph Lister
Discuss
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Correct Answer: Option C

Explanation:
French chemist Louis Pasteur developed the heating process known as pasteurization in the 1860s.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #44
Who is the inventor of the Richter Scale used to measure the magnitude of earthquakes?
A. Giuseppe Mercalli
B. Charles Richter
C. Alfred Wegener
D. James Hutton
Discuss
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Correct Answer: Option B

Explanation:
Charles F. Richter developed the Richter magnitude scale in 1935 in partnership with Beno Gutenberg.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #45
Who discovered the law of electromagnetic induction in 1831?
A. James Clerk Maxwell
B. Hans Christian Ørsted
C. Michael Faraday
D. Heinrich Hertz
Discuss
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Correct Answer: Option C

Explanation:
Michael Faraday discovered electromagnetic induction, leading to the development of electric generators and transformers.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #46
The barometers, used to measure atmospheric pressure, was invented by whom?
A. Otto von Guericke
B. Evangelista Torricelli
C. Blaise Pascal
D. Robert Boyle
Discuss
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Correct Answer: Option B

Explanation:
Evangelista Torricelli, an Italian physicist, invented the mercury barometer in 1643.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #47
Who invented the first commercially practical incandescent light bulb in 1879?
A. Joseph Swan
B. Humphry Davy
C. Thomas Edison
D. Nikola Tesla
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Correct Answer: Option C

Explanation:
Thomas Alva Edison developed a fully practical carbon-filament incandescent lamp and public power utility system.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #48
The discovery of the Raman Effect, which won the Nobel Prize in Physics in 1930, was made by whom?
A. Jagadish Chandra Bose
B. Homi J. Bhabha
C. Satyendra Nath Bose
D. C.V. Raman
Discuss
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Correct Answer: Option D

Explanation:
Sir Chandrasekhara Venkata Raman discovered the inelastic scattering of light, known as the Raman Effect, on February 28, 1928.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #49
Who is credited with the invention of the telephone in 1876?
A. Thomas Edison
B. Alexander Graham Bell
C. Guglielmo Marconi
D. Elisha Gray
Discuss
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Correct Answer: Option B

Explanation:
Alexander Graham Bell received the first US patent for the telephone in March 1876.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #50
The term 'vitamin' was coined by which biochemist in 1912?
A. Louis Pasteur
B. Casimir Funk
C. Frederick Hopkins
D. Robert Koch
Discuss
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Correct Answer: Option B

Explanation:
Polish biochemist Casimir Funk coined the term 'vitamine' (later shortened to vitamin) to describe vital amine nutrients.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #51
Who discovered Hydrogen gas, which he called 'inflammable air'?
A. Joseph Priestley
B. Henry Cavendish
C. Antoine Lavoisier
D. John Dalton
Discuss
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Correct Answer: Option B

Explanation:
Henry Cavendish isolated hydrogen gas in 1766 and recognized it as a discrete substance.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #52
Who invented the electrocardiogram (ECG/EKG) device, winning a Nobel Prize in 1924?
A. Alexander Fleming
B. Willem Einthoven
C. Robert Koch
D. Hans Berger
Discuss
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Correct Answer: Option B

Explanation:
Willem Einthoven invented the first practical electrocardiogram in 1903 and received the Nobel Prize for it.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #53
The first modern steam locomotive, 'Rocket', was built by which engineer?
A. Thomas Newcomen
B. Richard Trevithick
C. George Stephenson
D. James Watt
Discuss
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Correct Answer: Option C

Explanation:
George Stephenson and his son Robert built the 'Rocket' in 1829, setting the standard for future steam railways.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #54
Who discovered the principles of vaccination, microbial fermentation, and pasteurization?
A. Edward Jenner
B. Robert Koch
C. Louis Pasteur
D. Antonie van Leeuwenhoek
Discuss
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Correct Answer: Option C

Explanation:
Louis Pasteur's extensive contributions include vaccines for rabies and anthrax, pasteurization, and germ theory breakthroughs.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #55
Who invented the lightning conductor in America?
A. Benjamin Franklin
B. Thomas Edison
C. Michael Faraday
D. Nikola Tesla
Discuss
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Correct Answer: Option A

Explanation:
Benjamin Franklin invented the lightning rod to protect structures from catastrophic lightning strikes.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #56
The structure of benzene ring ($C_6H_6$) was discovered by which chemist?
A. Friedrich August Kekulé
B. Robert Boyle
C. Antoine Lavoisier
D. Dmitri Mendeleev
Discuss
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Correct Answer: Option A

Explanation:
Friedrich August Kekulé discovered the ring structure of benzene after famously having a daydream of a snake biting its own tail.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #57
Who invented the first mechanical computer, known as the 'Difference Engine'?
A. John von Neumann
B. Charles Babbage
C. Blaise Pascal
D. Alan Turing
Discuss
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Correct Answer: Option B

Explanation:
Charles Babbage designed the Difference Engine and the Analytical Engine, earning him the title 'Father of the Computer'.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #58
Who discovered Nitrogen element in 1772?
A. Joseph Priestley
B. Henry Cavendish
C. Daniel Rutherford
D. Carl Wilhelm Scheele
Discuss
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Correct Answer: Option C

Explanation:
Scottish physician Daniel Rutherford isolated nitrogen in 1772, calling it 'noxious air'.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #59
The Crescograph, a device to measure the growth and response of plants, was invented by whom?
A. C.V. Raman
B. Birbal Sahni
C. Jagadish Chandra Bose
D. Prafulla Chandra Ray
Discuss
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Correct Answer: Option C

Explanation:
Sir Jagadish Chandra Bose invented the crescograph in the early 20th century to prove that plants have feelings and react to stimuli.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #60
Who discovered the link between electricity and magnetism by observing a compass needle deflect near a current-carrying wire in 1820?
A. André-Marie Ampère
B. James Clerk Maxwell
C. Hans Christian Ørsted
D. Michael Faraday
Discuss
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Correct Answer: Option C

Explanation:
Hans Christian Ørsted discovered electromagnetism when he noticed an electric current deflected a magnetic compass needle.
This question belongs to: Static General Knowledge Inventions and Discoveries

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