Inventions MCQs

Correct Answer: Igor Sikorsky

The correct answer is Igor Sikorsky, as asked in this question on Inventions.

Correct Answer: Mechanical TV

John Logie Baird is credited with demonstrating the first working television system, known as mechanical television.

Correct Answer: Henry Greathead

Henry Greathead is credited with building the first purpose-built, practical lifeboat in 1789.

Correct Answer: Benjamin Franklin

Benjamin Franklin is credited with inventing the lightning rod in 1752 to protect buildings from lightning strikes.

Correct Answer: Montgolfier Brothers

The Montgolfier brothers, Joseph-Michel and Jacques-Étienne, successfully demonstrated the first public flight of a hot air balloon in 1783.

Correct Answer: Fahrenheit

Daniel Gabriel Fahrenheit is credited with inventing the mercury-in-glass thermometer and the Fahrenheit temperature scale.

Correct Answer: Lewis Waterman

Lewis Edson Waterman is credited with inventing the first practical fountain pen with a reliable ink-feed system in 1884.

Correct Answer: Isaac Singer

Isaac Singer is credited with developing the first practical and widely successful sewing machine for domestic use in the 1850s.

Correct Answer: Berliner

Emile Berliner invented the gramophone in 1887.

Correct Answer: Lightning rod

Through his experiments with electricity, Benjamin Franklin famously invented the lightning rod to protect buildings from lightning strikes.

Correct Answer: Radar

Sir Robert Watson-Watt was a Scottish pioneer of radio direction finding and radar technology.

Correct Answer: Fahrenheit

Daniel Gabriel Fahrenheit invented the first reliable mercury-in-glass thermometer in 1714.

Correct Answer: Christopher Latham Sholes

Christopher Latham Sholes was an American inventor who developed the first commercially successful typewriter and the QWERTY keyboard layout.

Correct Answer: Alexander Graham Bell

Alexander Graham Bell was a Scottish-born inventor, scientist, and engineer who is credited with inventing and patenting the first practical telephone in 1876.

Correct Answer: Light Bulb

Thomas Edison is credited with inventing the practical incandescent light bulb.

Correct Answer: James Watt

James Watt is widely credited with the invention and improvement of the steam engine, which powered the Industrial Revolution.

Correct Answer: Alexander Graham Bell

Alexander Graham Bell was a Scottish-born inventor who is credited with patenting the first practical telephone in 1876.

Correct Answer: Joseph Priestley

English chemist Joseph Priestley invented artificially carbonated water (soda water) in 1767 by infusing water with carbon dioxide.

Correct Answer: Graham

Alexander Graham Bell is widely credited with inventing and patenting the first practical telephone in 1876.

Correct Answer: 1973

Martin Cooper, an engineer at Motorola, made the first public mobile telephone call on a handheld device on April 3, 1973.

Correct Answer: Bunsen Burner

Robert Bunsen, a German chemist, is credited with inventing the Bunsen burner in 1855, which produces a single open gas flame.

Correct Answer: James Watt

While Thomas Newcomen invented the first practical steam engine, James Watt made crucial improvements that catalyzed the Industrial Revolution, and he is widely credited as its primary modern inventor.

Correct Answer: Johann Gutenberg

Johann Gutenberg is credited with inventing the movable-type printing press in the 15th century, revolutionizing the spread of information.

Correct Answer: None of these

The stethoscope was invented by the French physician René Laënnec in 1816.

Correct Answer: 1876

Alexander Graham Bell was granted the first US patent for the telephone in 1876.

Correct Answer: Alfred Nobel

Alfred Nobel, a Swedish chemist and engineer, invented dynamite in 1867 and later founded the Nobel Prizes.

Correct Answer: James Watt

James Watt, a Scottish inventor, vastly improved upon the earlier Newcomen steam engine, making his steam engine fundamental to the Industrial Revolution.

Correct Answer: Martin Cooper

Martin Cooper, a Motorola researcher and executive, is credited with inventing the first handheld cellular mobile phone in 1973.

Correct Answer: Benjamin Franklin

Benjamin Franklin invented the lightning rod in 1752 as part of his groundbreaking exploration of electricity.

Correct Answer: Theodore Maiman

Theodore Maiman demonstrated the first working laser in 1960 at Hughes Research Laboratories, using a synthetic ruby crystal.

Correct Answer: Daniel Gabriel Fahrenheit

The modern mercury-in-glass thermometer was invented by the physicist Daniel Gabriel Fahrenheit in 1714.

Correct Answer: James Watt

James Watt radically improved Thomas Newcomen's original design in 1776, creating the highly efficient modern steam engine.

Correct Answer: Edward Teller

Edward Teller, a Hungarian-American theoretical physicist, is known colloquially as the 'father of the hydrogen bomb'.

Correct Answer: Bulb

Thomas Edison is most famously credited with inventing the first commercially practical incandescent light bulb.

Correct Answer: Wright Brothers

Orville and Wilbur Wright built and flew the first successful, fully practical airplane in 1903.

Correct Answer: Johann Gutenberg

Johannes Gutenberg, a German inventor, developed the movable-type printing press in the 15th century.

Correct Answer: Mechanical TV

Scottish engineer John Logie Baird demonstrated the world's first working mechanical television system in 1926.

Correct Answer: Jonas Salk

Dr. Jonas Salk developed the first successful inactivated polio vaccine, which was widely introduced in 1955.

Correct Answer: Daniel Fahrenheit

Daniel Gabriel Fahrenheit invented the first practical, accurate mercury thermometer in 1714.

Correct Answer: Rene Laennec

The stethoscope was invented in 1816 by the French physician René Laennec.

Correct Answer: Volta

Alessandro Volta, an Italian physicist, invented the first electrical battery known as the voltaic pile in 1800.

Correct Answer: Wright Brothers

Orville and Wilbur Wright, known as the Wright Brothers, achieved the first successful flight of a powered airplane in 1903.

Correct Answer: Aiding the blind to write

A scotograph is a device historically designed to allow writing without seeing, which assists the visually impaired.

Correct Answer: Alfred Nobel

Swedish chemist and engineer Alfred Nobel invented dynamite in 1867, a safer alternative to liquid nitroglycerin.

Correct Answer: Calculator and adding machine

Blaise Pascal invented the mechanical calculator, known as the Pascaline, in 1642 to help his father with tax computations.

Correct Answer: Louis Braille

Louis Braille invented the Braille system in 1824, a tactile code allowing visually impaired individuals to read and write.

Correct Answer: Aiding Blind to write in the Darkness

A scotograph is an instrument that enables a person to write in the dark or without seeing, traditionally used to aid the blind.

Correct Answer: 1928

Alexander Fleming discovered penicillin, the first true antibiotic, in 1928 from the Penicillium notatum mold.

Correct Answer: Dynamite

Alfred Nobel, the Swedish chemist and engineer, invented dynamite in 1867 and later instituted the Nobel Prizes.

Correct Answer: Walter Hunt

American mechanic Walter Hunt invented the modern safety pin in 1849 to pay off a $15 debt.

Correct Answer: Benjamin Franklin

Benjamin Franklin, an American polymath and founding father, invented both the lightning rod and bifocal glasses during the 18th century.

Correct Answer: Guglielmo Marconi

Guglielmo Marconi was an Italian inventor who successfully developed and commercialized the first practical long-distance wireless radio telegraph system in the late 1890s.

Correct Answer: Volta

The battery was invented by Alessandro Volta, whose voltaic pile was the first electric battery.

Correct Answer: Hans von Ohain

Hans von Ohain developed the first operational jet engine for aircraft.

Correct Answer: Wright brothers

The Wright brothers built the first powered, motor-driven airplane, in 1903.

Correct Answer: Edward Jenner

Edward Jenner developed the smallpox vaccine in 1796 using cowpox.

Correct Answer: Indian mathematicians (Brahmagupta)

Zero as a number originated with Indian mathematicians, Brahmagupta giving rules for it in the 7th century; Al-Khwarizmi later transmitted the Indian numeral system westward.

Correct Answer: Fahrenheit

Daniel Gabriel Fahrenheit invented the mercury thermometer in the early 18th century.

Correct Answer: Transistor

Shockley, Bardeen and Brattain invented the transistor at Bell Labs in 1947.

Correct Answer: Ampex

Ampex made the first practical video recorder, the VRX-1000, in 1956.

Correct Answer: Integrated circuits

Robert Noyce co-invented the integrated circuit in 1959, packing many components onto one chip.

Correct Answer: Sony and Philips

Sony and Philips developed the compact disc independently and jointly launched it in 1982.

Correct Answer: Marconi

Guglielmo Marconi pioneered wireless radio communication.

Correct Answer: Charles Francis Jenkins

Charles Francis Jenkins demonstrated a mechanical television system in 1925; John Logie Baird is also credited as a television pioneer.

Correct Answer: Evangelista Torricelli

Evangelista Torricelli invented the barometer.

Correct Answer: Newton

Newton was the first to devise the reflecting type of telescope.