Practice high-yield General Knowledge & World Affairs MCQs on Inventions — Part 2 with worked academic solutions for PPSC, FPSC, PMS, NTS, SPSC.
Questions
40
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Exam-Level
Target Exams
PPSC, FPSC, PMS...
Estimated Time
48 mins
Exam-Level PPSC FPSC PMS NTS SPSC
Verified for Commission Syllabus • Oct 14, 2026
40
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Question 1 of 40
★ PPSC
★ FPSC
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What device for new parents did Ann Moore invent in 1969?
Correct Answer: Option D — Infant carrier
Detailed Academic Explanation:
Ann got the idea for the Snugli infant carrier from the traditional African baby carriers she observed while a volunteer for the Peace Corps in Africa.
💡Key Conceptual Anchor:Inventions
Question 2 of 40
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What invention was first installed at a Hartford, Connecticut bank in 1889?
Correct Answer: Option D — Pay telephone
Detailed Academic Explanation:
William Gray, inventor of the pay telephone, also invented the inflatable chest protector worn by baseball umpires and catchers.
💡Key Conceptual Anchor:Inventions
Question 3 of 40
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Ralph Samuelson was only 18 when he invented this sporting item in 1922. What was that?
Correct Answer: Option C — Water skis
Detailed Academic Explanation:
Ralph Samuelson was only 18 when he invented water skis.
💡Key Conceptual Anchor:Inventions
Question 4 of 40
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Who invented Bifocal Lens?
Correct Answer: Option C — Benjamin Franklin
Detailed Academic Explanation:
Benjamin Franklin invented bifocal lens.
💡Key Conceptual Anchor:Inventions
Question 5 of 40
★ PPSC
★ FPSC
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★ FPSC
What Karl Benz invented?
Correct Answer: Option A — Gasoline powered automobile
Detailed Academic Explanation:
Karl Benz gets the credit for inventing the automobile because his car was practical, used a gasoline-powered internal-combustion engine and worked like modern cars do today.
💡Key Conceptual Anchor:Inventions
Question 6 of 40
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★ FPSC
When were bar code scanners invented?
Correct Answer: Option C — 1970s
Detailed Academic Explanation:
The first scanning of the now-ubiquitous Universal Product Code (UPC) barcode was on a pack of Wrigley Company chewing gum in June 1974 at a Marsh supermarket in Troy, Ohio, using scanner produced by Photographic Sciences Corporation. QR codes, a specific type of 2D barcode, have recently become very popular.
💡Key Conceptual Anchor:Inventions
Question 7 of 40
★ PPSC
★ FPSC
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When was the game Frisbee invented?
Correct Answer: Option C — 1870s
Detailed Academic Explanation:
The first Frisbee were pie tins from the Frisbee Pie Company in Connecticut. In the 1950s, the pie tins were changed to plastic plates. The name then became the Flying Saucer, but later changed to Frisbee.
💡Key Conceptual Anchor:Inventions
Question 8 of 40
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What piece of clothing was invented by French fashion designer Louis Reard in 1946?
Correct Answer: Option C — Bikini
Detailed Academic Explanation:
The bikini, a two-piece swimsuit named for the Bikini Atoll in the Pacific, made its debut on July 5, 1946.
💡Key Conceptual Anchor:Inventions
Question 9 of 40
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★ FPSC
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★ FPSC
In which year was MIDI introduced?
Correct Answer: Option B — 1983
Detailed Academic Explanation:
The MIDI specification was published in August 1983. The MIDI standard was unveiled by Kakehashi and Smith, who received Technical Grammy Awards in 2013 for their work. In 1982, the first instruments were released with MIDI, the Roland Jupiter-6 and the Prophet 600.
💡Key Conceptual Anchor:Inventions
Question 10 of 40
★ PPSC
★ FPSC
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Who invented the first controllable flying AEROPLANE (AIRPLANE)?
Correct Answer: Option A — Wright Brothers
Detailed Academic Explanation:
Wilbur and Orville Wright made the first successful controlled powered flight at Kitty Hawk, North Carolina, in December 1903. The twelve second flight covered a distance of 120 feet and an altitude of just ten feet.
💡Key Conceptual Anchor:Inventions
Question 11 of 40
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★ FPSC
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★ FPSC
What groovy item was invented by Englishman Edward Craven Walker in 1963?
Correct Answer: Option B — Lava lamp
Detailed Academic Explanation:
Groovy, baby! Lava lamps, which were a fixture in every hip pad in the 1960s and 70s, featured a mixture of water and colored oil that created swirl patterns when heated by a light bulb.
💡Key Conceptual Anchor:Inventions
Question 12 of 40
★ PPSC
★ FPSC
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★ FPSC
In which decade was the Internet first implemented?
Correct Answer: Option C — 1960s
Detailed Academic Explanation:
The first message ever sent over what is now called the Internet took place at 10:30 PM on October 29, 1969. Back then, the Department of Defense called it ARPA net (Advanced Research Projects Agency network).
💡Key Conceptual Anchor:Inventions
Question 13 of 40
★ PPSC
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★ FPSC
For over 500 years, paper was only available and sold as single sheets. In 1902, an inventive Australian used half size sheets of paper, a bit of glue and cardboard to create the what?
Correct Answer: Option A — Notepad
Detailed Academic Explanation:
Birchall's of Launceston in Tasmania started selling the world’s first notepads, calling them 'Silvercity Writing Tablets' after J A Birchall thought it would be a good idea to back sheets of paper with cardboard and glue them together at the top. His British paper suppliers weren’t so keen, but, they were persuaded by Birchall that it was a good idea!
💡Key Conceptual Anchor:Inventions
Question 14 of 40
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Who developed the idea of Crop Rotation?
Correct Answer: Option B — Turnip Townsend
Detailed Academic Explanation:
Viscount Charles 'Turnip' Townsend developed this revolutionary concept of crop rotation.
💡Key Conceptual Anchor:Inventions
Question 15 of 40
★ PPSC
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Who made corn flakes at first?
Correct Answer: Option B — Kellogg
Detailed Academic Explanation:
Will Keith Kellogg discovered the corn flake, by mistake, in 1906. They were the result of an experiment which went wrong.
💡Key Conceptual Anchor:Inventions
Question 16 of 40
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William Frederick is credited with the invention of the modern frisbee in the mid 1950's. In 1957 the Wham-O Company bought his idea and the rest is history. They named the toy after William Frisbie who was a ________
Correct Answer: Option A — Pie maker
Detailed Academic Explanation:
William Frederick is credited with the invention of the modern frisbee in the mid 1950's. In 1957 the Wham-O Company bought his idea and the rest is history. They named the toy after William Frisbie who was a pie maker.
💡Key Conceptual Anchor:Inventions
Question 17 of 40
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Who came up with the idea for instant mashed potato?
Correct Answer: Option C — E. Asselbergs
Detailed Academic Explanation:
Instant mash was invented by Edward A Asselbergs, a Canadian, in 1962. The mash is actually dehydrated potato flakes.
💡Key Conceptual Anchor:Inventions
Question 18 of 40
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Who invented Dynamite?
Correct Answer: Option D — Alfred B. Nobel
Detailed Academic Explanation:
Alfred B. Nobel invented dynamite.
💡Key Conceptual Anchor:Inventions
Question 19 of 40
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What African-American inventor received 5 patents in the field of shoemaking?
Correct Answer: Option B — Jan Ernst Matzeliger
Detailed Academic Explanation:
Jan Ernst Matzeliger received 5 patents in the field of shoemaking.
💡Key Conceptual Anchor:Inventions
Question 20 of 40
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It travels over land and water. Who invented the hovercraft?
Correct Answer: Option D — C. Cockerell
Detailed Academic Explanation:
Christopher Cockerell invented the hovercraft in 1956. His early experiments with the idea involved a cat food tin, a coffee tin and an industrial blower.
💡Key Conceptual Anchor:Inventions
Question 21 of 40
★ PPSC
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★ FPSC
In which decade was the AEEE (now the IEEE) founded?
Correct Answer: Option B — 1880s
Detailed Academic Explanation:
The IEEE (Institute of Electrical and Electronics Engineers) was formed in 1963 by the merger of the Institute of Radio Engineers (IRE, founded 1912) and the American Institute of Electrical Engineers (AIEE, founded 1884).
💡Key Conceptual Anchor:Inventions
Question 22 of 40
★ PPSC
★ FPSC
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★ FPSC
What type of system did Paul Nipkow, John Baird, and Charles Jenkins all invent?
Correct Answer: Option D — Television
Detailed Academic Explanation:
All of the inventors mentioned invented an early mechanical television system.
💡Key Conceptual Anchor:Inventions
Question 23 of 40
★ PPSC
★ FPSC
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What Sir Isaac Newton invented?
Correct Answer: Option B — Chronometer
Detailed Academic Explanation:
Sir Isaac Newton invented Chronometer.
💡Key Conceptual Anchor:Inventions
Question 24 of 40
★ PPSC
★ FPSC
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Who invented Bicycle?
Correct Answer: Option D — Kirkpatrick Macmillan
Detailed Academic Explanation:
Kirkpatrick Macmillan invented bicycle.
💡Key Conceptual Anchor:Inventions
Question 25 of 40
★ PPSC
★ FPSC
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★ FPSC
Who synthesized the first wholly artificial gene?
Correct Answer: Option A — Hargobind Khorana
Detailed Academic Explanation:
Synthesis of the first complete gene, a yeast tRNA, was demonstrated by Har Gobind Khorana and coworkers in 1972. Synthesis of the first peptide- and protein-coding genes was performed in the laboratories of Herbert Boyer and Alexander Markham, respectively.
💡Key Conceptual Anchor:Inventions
Question 26 of 40
★ PPSC
★ FPSC
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★ FPSC
Who discovered the first practical method of freezing food?
Correct Answer: Option A — C. Birdseye
Detailed Academic Explanation:
In the 1920s Clarence Birdseye discovered that if food was flash-frozen under pressure, it would freeze without the formation of ice crystals.
💡Key Conceptual Anchor:Inventions
Question 27 of 40
★ PPSC
★ FPSC
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★ FPSC
When was the Raggedy Ann doll patented?
Correct Answer: Option A — 1915
Detailed Academic Explanation:
Johnny Gruelle patented the Raggedy Ann doll in 1915. The Raggedy Andy doll and the Raggedy Ann books came later.
💡Key Conceptual Anchor:Inventions
Question 28 of 40
★ PPSC
★ FPSC
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★ FPSC
What Frank Whittle invented?
Correct Answer: Option D — Jet propulsion
Detailed Academic Explanation:
Sir Frank Whittle, (born June 1, 1907, Coventry, Warwickshire, England—died August 8, 1996, Columbia, Maryland, U.S.), English aviation engineer and pilot who invented the jet engine.
💡Key Conceptual Anchor:Inventions
Question 29 of 40
★ PPSC
★ FPSC
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★ FPSC
When was the first Lionel trains manufactured?
Correct Answer: Option C — 1901
Detailed Academic Explanation:
Joshua Lionel Cowen and Harry C. Grant started the Lionel Manufacturing Company on Sept. 5, 1900 in New York City. The first train, which was called the Electric Express, was manufactured in 1901 and was an open gondola propelled by a fan motor. As time has passed, the trains have been made in different colors and styles.
💡Key Conceptual Anchor:Inventions
Question 30 of 40
★ PPSC
★ FPSC
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★ FPSC
What item, originally called the 'Whirlwind', was invented by Ives McGaffey in 1869?
Correct Answer: Option D — Vacuum cleaner
Detailed Academic Explanation:
Vacuum cleaner originally called the 'Whirlwind', was invented by Ives McGaffey in 1869.
💡Key Conceptual Anchor:Inventions
Question 31 of 40
★ PPSC
★ FPSC
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Who invented Bakelite?
Correct Answer: Option B — Leo Hendrik Baekeland
Detailed Academic Explanation:
Leo Hendrik Baekeland invented the first plastic called Bakelite.
💡Key Conceptual Anchor:Inventions
Question 32 of 40
★ PPSC
★ FPSC
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What toy was invented by Joshua Lionel Cowen around 1900?
Correct Answer: Option C — Electric train
Detailed Academic Explanation:
Joshua Lionel Cowen (August 25, 1877 – September 8, 1965) was an American inventor and the co-founder of Lionel Corporation, a manufacturer of model railroads and toy trains. Cowen also invented the flash-lamp in 1899, an early photographer's flash light source.
💡Key Conceptual Anchor:Inventions
Question 33 of 40
★ PPSC
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★ FPSC
This African-American woman physical therapist worked with soldiers disabled in World War II. She invented a device that helped the disabled to eat by delivering food through a tube to a mouthpiece.
Correct Answer: Option A — Bessie Blount
Detailed Academic Explanation:
Unfortunately Blount could never get anyone to buy her invention. Finally, in 1952 she sold the rights to the French government.
💡Key Conceptual Anchor:Inventions
Question 34 of 40
★ PPSC
★ FPSC
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What invention by Garnet Carter made its debut at the Fairyland Inn Resort in Lookout Mountain, Tennessee, in 1927?
Correct Answer: Option A — Miniature golf
Detailed Academic Explanation:
Miniature golf by Garnet Carter made its debut at the Fairyland Inn Resort in Lookout Mountain, Tennessee, in 1927.
💡Key Conceptual Anchor:Inventions
Question 35 of 40
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★ FPSC
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★ FPSC
Who invented the phonograph?
Correct Answer: Option B — John Kruesi
Detailed Academic Explanation:
John Kruesi was a mechanic for Edison, and Kruesi built the phonograph. Edison designed it, and later improved the phonograph.
💡Key Conceptual Anchor:Inventions
Question 36 of 40
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★ FPSC
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★ FPSC
What beverage was invented by Charles Alderton in 1885 in Waco, Texas?
Correct Answer: Option C — Dr. Pepper
Detailed Academic Explanation:
Dr. Pepper was invented by Charles Alderton in 1885 in Waco, Texas.
💡Key Conceptual Anchor:Inventions
Question 37 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
Who invented the Seed Drill?
Correct Answer: Option A — Jethro Tull
Detailed Academic Explanation:
Jethro Tull invented the seed drill.
💡Key Conceptual Anchor:Inventions
Question 38 of 40
★ PPSC
★ FPSC
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★ FPSC
What drink was invented by Charles Leiper Grigg in 1929?
Correct Answer: Option A — 7-Up
Detailed Academic Explanation:
Charles Leiper Grigg (May 11, 1868 – April 16, 1940) was the inventor of Bib-Label Lithiated Lemon-Lime soda, better known by its later name, 7 Up. He invented the drink in October 1929.
💡Key Conceptual Anchor:Inventions
Question 39 of 40
★ PPSC
★ FPSC
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★ FPSC
For what is Charles Babbage (1792-1871) remembered?
Correct Answer: Option A — Computers
Detailed Academic Explanation:
Charles Babbage is known as the Father of Computing. He began his 'Analytical Engine' in 1833. The first computer, although he never completed it.
💡Key Conceptual Anchor:Inventions
Question 40 of 40
★ PPSC
★ FPSC
★ PPSC
★ FPSC
Who invented Automobiles using gasoline?
Correct Answer: Option B — Karl Benz
Detailed Academic Explanation:
On January 29, 1886, Carl Benz applied for a patent for his “vehicle powered by a gas engine.” The patent – number 37435 – may be regarded as the birth certificate of the automobile.
💡Key Conceptual Anchor:Inventions
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💡Examiner's Advisory for General Knowledge & World Affairs
In competitive commission exams (FPSC, PPSC, KPPSC, SPSC, CSS, PMS), questions are frequently phrased with distractor options designed to catch rote learners. Whenever you answer an MCQ, read the Detailed Academic Explanation and Conceptual Anchor to understand why the remaining options are incorrect.