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.

409
Total Questions

Practice Questions

Page 7 of 21
Question #121
The invention of the modern steam turbine, which enabled large-scale thermal electric power generation, was made by whom?
A. Thomas Newcomen
B. James Watt
C. George Stephenson
D. Charles Parsons
Discuss
Get Complete Subject PDF for Static General Knowledge

Correct Answer: Option D

Explanation:
Sir Charles Parsons invented the multi-stage steam turbine in 1884, transforming maritime shipping and electric grids.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #122
Who discovered that the planet Saturn has a prominent ring system and its largest moon, Titan?
A. Giovanni Cassini
B. Christiaan Huygens
C. William Herschel
D. Galileo Galilei
Discuss
Get Complete Subject PDF for Static General Knowledge

Correct Answer: Option B

Explanation:
Christiaan Huygens correctly identified Saturn's rings in 1655 and discovered its largest moon, Titan.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #123
Who invented the first practical modern typewriter with a QWERTY keyboard layout?
A. Christopher Latham Sholes
B. Thomas Edison
C. William Austin Burt
D. Pellegrino Turri
Discuss
Get Complete Subject PDF for Static General Knowledge

Correct Answer: Option A

Explanation:
Christopher Latham Sholes invented the first commercially practical mechanical typewriter and developed the QWERTY keyboard layout to prevent jamming.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #124
Who discovered the fundamental principle of inheritance known as the Law of Independent Assortment?
A. Charles Darwin
B. Francis Crick
C. Thomas Hunt Morgan
D. Gregor Mendel
Discuss
Get Complete Subject PDF for Static General Knowledge

Correct Answer: Option D

Explanation:
Gregor Mendel discovered the laws of segregation and independent assortment through careful calculation of pea hybrid phenotypes.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #125
The invention of the mass spectrometer, used to separate isotopes and determine chemical composition, was developed by whom?
A. Francis William Aston
B. Ernest Rutherford
C. J.J. Thomson
D. James Chadwick
Discuss
Get Complete Subject PDF for Static General Knowledge

Correct Answer: Option A

Explanation:
Francis William Aston built the first fully functional mass spectrograph in 1919 and discovered isotopes in non-radioactive elements.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #126
Who discovered the exact relationship between mechanical work done and heat generated, leading to the SI unit of energy?
A. Lord Kelvin
B. James Watt
C. Rudolf Clausius
D. James Prescott Joule
Discuss
Get Complete Subject PDF for Static General Knowledge

Correct Answer: Option D

Explanation:
James Prescott Joule established the mechanical equivalent of heat through rigorous thermodynamic experiments.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #127
The first successful kidney transplant in human history was performed by which surgical pioneer in 1954?
A. Alexis Carrel
B. Joseph Murray
C. William Kolff
D. Christiaan Barnard
Discuss
Get Complete Subject PDF for Static General Knowledge

Correct Answer: Option B

Explanation:
Dr. Joseph Murray performed the first successful long-term human kidney transplant between identical twins, winning a Nobel Prize.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #128
Who discovered the chemical element Chlorine in 1774?
A. Antoine Lavoisier
B. Joseph Priestley
C. Carl Wilhelm Scheele
D. Humphry Davy
Discuss
Get Complete Subject PDF for Static General Knowledge

Correct Answer: Option C

Explanation:
Swedish-German chemist Carl Wilhelm Scheele isolated chlorine gas, mistakenly thinking it contained oxygen. Humphry Davy later identified it as an element.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #129
The invention of the seismograph to accurately measure earthquakes was pioneered by which British geologist?
A. John Milne
B. Charles Richter
C. Alfred Wegener
D. James Hutton
Discuss
Get Complete Subject PDF for Static General Knowledge

Correct Answer: Option A

Explanation:
John Milne invented the modern horizontal pendulum seismograph in 1880 while working in Japan.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #130
Who discovered the enzyme Lysozyme and later discovered penicillin?
A. Louis Pasteur
B. Alexander Fleming
C. Edward Jenner
D. Howard Florey
Discuss
Get Complete Subject PDF for Static General Knowledge

Correct Answer: Option B

Explanation:
Sir Alexander Fleming discovered lysozyme (an antimicrobial enzyme found in tears and saliva) in 1921 before discovering penicillin in 1928.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #131
The invention of high-strength Kevlar fiber, used in body armor, is credited to which female chemist?
A. Dorothy Hodgkin
B. Marie Curie
C. Rosalind Franklin
D. Stephanie Kwolek
Discuss
Get Complete Subject PDF for Static General Knowledge

Correct Answer: Option D

Explanation:
Stephanie Kwolek invented the exceptionally strong synthetic fiber Kevlar at DuPont in 1965.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #132
Who discovered the planet Pluto in 1930 at the Lowell Observatory?
A. William Herschel
B. Percival Lowell
C. Edwin Hubble
D. Clyde Tombaugh
Discuss
Get Complete Subject PDF for Static General Knowledge

Correct Answer: Option D

Explanation:
Clyde Tombaugh discovered Pluto by comparing photographic plates using a blink comparator instrument.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #133
Who invented the global positioning system (GPS) structural architecture alongside Ivan Getting and Bradford Parkinson?
A. Vint Cerf
B. Alan Turing
C. Gladys West
D. Tim Berners-Lee
Discuss
Get Complete Subject PDF for Static General Knowledge

Correct Answer: Option C

Explanation:
Gladys West's mathematical modeling of the Earth's geoid shape was critical to developing the calculations behind accurate GPS tracking.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #134
The discovery of the first pulsar (rotating neutron star) was achieved by which astrophysicist in 1967?
A. Jocelyn Bell Burnell
B. Antony Hewish
C. Fred Hoyle
D. Subrahmanyan Chandrasekhar
Discuss
Get Complete Subject PDF for Static General Knowledge

Correct Answer: Option A

Explanation:
Jocelyn Bell Burnell discovered the first radio pulsars as a postgraduate student, although her advisor Antony Hewish received the Nobel Prize.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #135
Who invented the lithium-ion battery architecture, winning the Nobel Prize in Chemistry in 2019?
A. Gaston Planté
B. Thomas Edison
C. Alessandro Volta
D. John B. Goodenough, M. Stanley Whittingham, and Akira Yoshino
Discuss
Get Complete Subject PDF for Static General Knowledge

Correct Answer: Option D

Explanation:
These three scientists developed the lightweight, rechargeable, and highly energetic lithium-ion battery technology.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #136
Who discovered the therapeutic potential of the anti-malarial drug Artemisinin, winning a Nobel Prize in 2015?
A. Tu Youyou
B. Ronald Ross
C. Satoshi ÅŒmura
D. Charles Laveran
Discuss
Get Complete Subject PDF for Static General Knowledge

Correct Answer: Option A

Explanation:
Tu Youyou extracted artemisinin from sweet wormwood plants based on traditional Chinese medical texts, saving millions from malaria.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #137
The invention of the mercury barometric tube directly led to the recognition of what physical condition?
A. Absolute humidity
B. Capillary action
C. Vacuum
D. Hydrostatic paradox
Discuss
Get Complete Subject PDF for Static General Knowledge

Correct Answer: Option C

Explanation:
Torricelli's barometer left an empty space at the top of the glass tube, creating the first recognized sustained artificial vacuum.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #138
Who discovered the iconic 'Uncertainty Principle' in quantum physics?
A. Niels Bohr
B. Werner Heisenberg
C. Erwin Schrödinger
D. Max Born
Discuss
Get Complete Subject PDF for Static General Knowledge

Correct Answer: Option B

Explanation:
Werner Heisenberg formulated the principle stating that the position and momentum of a subatomic particle cannot be measured simultaneously with absolute precision.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #139
The invention of Teflon (PTFE) was an accidental discovery by which chemist in 1938?
A. Wallace Carothers
B. Leo Baekeland
C. Gideon Sundback
D. Roy Plunkett
Discuss
Get Complete Subject PDF for Static General Knowledge

Correct Answer: Option D

Explanation:
Roy J. Plunkett accidentally discovered polytetrafluoroethylene (Teflon) while researching alternative chlorofluorocarbon refrigerants.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #140
Who discovered the bacterium Vibrio cholerae, the causative agent of cholera?
A. Robert Koch
B. Joseph Lister
C. Louis Pasteur
D. Alexander Fleming
Discuss
Get Complete Subject PDF for Static General Knowledge

Correct Answer: Option A

Explanation:
Robert Koch isolated Vibrio cholerae in 1883 during an epidemic outbreak investigation in Egypt and India.
This question belongs to: Static General Knowledge Inventions and Discoveries

More Static General Knowledge Topics

Awards and Honours MCQs
Books and Authors MCQs
Capitals and Currencies MCQs
Classical Dances of India MCQs
First in India MCQs
First in the World MCQs
Folk Dances of India MCQs
Important Days MCQs
Important Monuments of India MCQs
International Organizations MCQs
National Parks and Wildlife Sanctuaries of India MCQs
Science and Technology MCQs
Today's Top Topics
Sports 476 National Parks and Wildlife Sanctuaries of India 430 States and Capitals of India 256 Important Days 292 UNESCO World Heritage Sites 189
Explore Subjects
Static General Knowledge 6362 Science 4430 History GK 3374 Computer 5279 Geography GK 6121
Practice Mix
Which of the following is an example of a static web page?
Select the antonym of 'ABLE'.
Select the most appropriate meaning of the idiom: 'Let off steam'.
___ you like to go out for dinner tonight?
In MS Access, a 'query' object is used to: