General Awareness:Important Inventions Set 2
Questions and Answers
- 1.
What now-ubiquitous device was invented by Zenith engineer Eugene Polley in 1955?
- A.
Microwave oven
- B.
Remote control
- C.
VCR
- D.
Calculator
Correct Answer
B. Remote controlExplanation
The correct answer is remote control. In 1955, Zenith engineer Eugene Polley invented the remote control, which revolutionized the way people interacted with their televisions. This device allowed users to change channels and adjust the volume without having to get up and manually operate the TV. The remote control has since become a ubiquitous device in households around the world, making it easier and more convenient for people to control their electronic devices from a distance.Rate this question:
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- 2.
What Benjamin Franklin invented?
- A.
Bifocal spectacles
- B.
Radio
- C.
Barometer
- D.
Hygrometer
Correct Answer
A. Bifocal spectaclesExplanation
Benjamin Franklin invented bifocal spectacles, which are eyeglasses that have two different lenses in each lens. The top part is for distance vision, while the bottom part is for near vision. This invention allowed individuals with both nearsightedness and farsightedness to have clear vision without needing to switch between multiple pairs of glasses. Bifocal spectacles revolutionized the eyewear industry and are still widely used today.Rate this question:
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- 3.
This part-time race car driver invented the bucket seat in 1969. Who was he??
- A.
Steve McQueen
- B.
Harrison Frazier
- C.
Paul Newman
- D.
John Wayne
Correct Answer
A. Steve McQueen -
- 4.
What plaything was invented by Joe McVicker in 1956?
- A.
Silly Putty
- B.
Etch-A-Sketch
- C.
Lite-Brite
- D.
Play-Doh
Correct Answer
D. Play-DohExplanation
Play-Doh was invented by Joe McVicker in 1956. It was initially created as a wallpaper cleaner but later became popular as a children's toy. Play-Doh is a modeling compound that can be shaped into various forms and is known for its soft and pliable texture. It has since become a classic and beloved plaything for children around the world.Rate this question:
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- 5.
Who was the first American female to patent her invention, a method of weaving straw with silk?
- A.
Marjorie Joyner
- B.
Margaret Knight
- C.
Amanda Jones
- D.
Mary Kies
Correct Answer
D. Mary KiesExplanation
Mary Kies was the first American female to patent her invention, a method of weaving straw with silk. She made significant contributions to the textile industry by developing this innovative technique. This patent not only showcased her ingenuity but also paved the way for future female inventors to be recognized and protected for their creations.Rate this question:
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- 6.
Who invented Gramophone?
- A.
Michael Faraday
- B.
Fahrenheit
- C.
Sir Alexander Graham Bell
- D.
Thomas Alva Edison
Correct Answer
D. Thomas Alva EdisonExplanation
Thomas Alva Edison is credited with inventing the gramophone. He was an American inventor and businessman who is best known for his contributions to the development of various technologies, including the phonograph. The gramophone, also known as the phonograph, is a device used for playing recorded sound. Edison's invention revolutionized the music industry and paved the way for the modern audio recording and playback systems that we use today.Rate this question:
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- 7.
Who invented Internal Combustion Engine?
- A.
Roger Bacon
- B.
Karl Benz
- C.
Dr. Alan M. Turing
- D.
Otto
Correct Answer
D. OttoExplanation
Otto is the correct answer because Nikolaus August Otto, a German engineer, is credited with inventing the first practical internal combustion engine in 1876. This engine, known as the Otto engine, was a significant development in the history of automotive technology and laid the foundation for the modern automobile industry.Rate this question:
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- 8.
What furniture item was invented by California furniture designer Charles Prior Hall in 1968?
- A.
Sofa bed
- B.
Captain's chair
- C.
Waterbed
- D.
Hammock
Correct Answer
C. WaterbedExplanation
The correct answer is waterbed. In 1968, California furniture designer Charles Prior Hall invented the waterbed. A waterbed is a mattress filled with water, providing a unique sleeping experience. Hall's invention revolutionized the bedding industry and gained popularity for its comfort and therapeutic benefits.Rate this question:
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- 9.
The Manhattan Project was started by President Roosevelt in 1942 to ensure that the U.S. beat the Germans in developing a nuclear bomb. Whom did Roosevelt appoint as scientific head the Manhattan Project?
- A.
Robert Oppenheimer
- B.
James B. Conant
- C.
Leslie R. Groves
- D.
Vannevar Bush
Correct Answer
A. Robert OppenheimerExplanation
President Roosevelt appointed Robert Oppenheimer as the scientific head of the Manhattan Project. This decision was made in order to ensure the successful development of a nuclear bomb and to ensure that the United States would beat the Germans in this endeavor. Oppenheimer played a crucial role in leading the scientific research and development that ultimately resulted in the creation of the atomic bomb.Rate this question:
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- 10.
When was the first lawn mower invented?
- A.
1830
- B.
1854
- C.
1835
- D.
1849
Correct Answer
A. 1830Explanation
The first lawn mower was invented in 1830.Rate this question:
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- 11.
In which decade were the first successful diode and triode vacuum tubes invented?
- A.
1800s
- B.
1880s
- C.
1890s
- D.
1900s
Correct Answer
D. 1900sExplanation
In the 1900s, the first successful diode and triode vacuum tubes were invented. This was a significant advancement in technology as these vacuum tubes played a crucial role in the development of early electronic devices. They were used in radios, televisions, and early computers, allowing for the amplification and control of electrical signals. The invention of these vacuum tubes revolutionized the field of electronics and paved the way for further advancements in technology.Rate this question:
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- 12.
Who is the English physicist responsible for the 'Big Bang Theory'?
- A.
Albert Einstein
- B.
Michael Skube
- C.
George Gamow
- D.
Roger Penrose
Correct Answer
C. George GamowExplanation
George Gamow is the correct answer because he was an English physicist who played a significant role in developing the Big Bang Theory. He made important contributions to the field of cosmology and was one of the first scientists to propose the idea that the universe originated from a hot, dense state known as the Big Bang. Gamow's research and theoretical work laid the foundation for our current understanding of the origins and evolution of the universe.Rate this question:
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- 13.
What 'game' was first produced by the Southern Novelty Company in Baltimore, Maryland in 1892?
- A.
Frisbee
- B.
Monopoly
- C.
Ouija board
- D.
Ping Pong
Correct Answer
C. Ouija boardExplanation
The correct answer is Ouija board. The Ouija board was first produced by the Southern Novelty Company in Baltimore, Maryland in 1892. The Ouija board is a game that is used to communicate with spirits through a board and a planchette. It gained popularity as a parlor game and has since become a well-known and widely used tool for spiritual communication.Rate this question:
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- 14.
Who had an explosive idea and first patented DYNAMITE?
- A.
J. R. Gluber
- B.
A. Nobel
- C.
G. Fawks
- D.
W. Bickford
Correct Answer
B. A. NobelExplanation
Alfred Nobel is the correct answer because he was the one who had the explosive idea and first patented dynamite. Nobel, a Swedish chemist and engineer, invented dynamite in 1866 as a safer and more controllable alternative to traditional explosives. His invention revolutionized the construction and mining industries, but he later became concerned about its destructive potential and established the Nobel Prizes in his will as a way to promote peace and humanitarian efforts.Rate this question:
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- 15.
Who invented the Spinning Jenny?
- A.
Thornton Hargreaves
- B.
Peter Hargreaves
- C.
James Hargreaves
- D.
Simon Hargreaves
Correct Answer
C. James HargreavesExplanation
James Hargreaves is credited with inventing the Spinning Jenny. The Spinning Jenny was a significant invention during the Industrial Revolution in the late 18th century. It revolutionized the textile industry by allowing one person to spin multiple threads at the same time, greatly increasing productivity. James Hargreaves was a weaver himself and developed the Spinning Jenny to address the demand for more efficient spinning methods. His invention played a crucial role in the mechanization of textile production and contributed to the rapid growth of the industry.Rate this question:
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