Explore topic-wise MCQs in General Knowledge.

When were bar code scanners invented?

What Elmer A. Sperry invented?

What invention was first installed at a Hartford, Connecticut bank in 1889?

Ralph Samuelson was only 18 when he invented this sporting item in 1922. What was that?

Who invented Bifocal Lens?

What Karl Benz invented?

This English inventor is known as the 'Father of Computing.'

What J. B. Dunlop invented?

Which scientist discovered the radioactive element radium?

When was barb wire patented?

What is the name of the CalTech seismologist who invented the scale used to measure the magnitude of earthquakes?

This statesman, politican, scholar, inventor, and one of early presidents of USA invented the swivel chair, the spherical sundial, the moldboard plow, and the cipher wheel.

What Galileo invented?

The initials JCB on earth-moving equipment are those of the founder of the company that makes it. What is his name?

When was Milk Tray first introduced?

When was the toothbrush invented?

When was the Raggedy Ann doll patented?

FROZEN FOOD - Who discovered the first practical method of freezing food?

What item of apparel was invented by Ellery Chun, a Hawaiian clothing merchant, in 1931?

Who invented Fountain Pen?

Who synthesized the first wholly artificial gene?

What Frank Whittle invented?

When was the first Lionel trains manufactured?

What item, originally called the 'Whirlwind', was invented by Ives McGaffey in 1869?

It travels over land and water. Who invented the HOVERCRAFT?

In which decade was the AEEE (now the IEEE) founded?

What type of system did Paul Nipkow, John Baird, and Charles Jenkins all invent?

What Sir Isaac Newton invented?

Who invented Bicycle?

What African-American inventor received 5 patents in the field of shoemaking?

Who developed the idea of Crop Rotation?

What toy was invented by Joshua Lionel Cowen around 1900?

CORN FLAKES - Who made them first?

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.

What invention by Garnet Carter made its debut at the Fairyland Inn Resort in Lookout Mountain, Tennessee, in 1927?

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?

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 ________?

Who invented Bakelite?

What beverage was invented by Charles Alderton in 1885 in Waco, Texas?

Who invented fuel cells in 1839?

The ELECTRIC BATTERY, who's charged with inventing this one?

Who invented the phonograph?

Who invented the Seed Drill?

What drink was invented by Charles Leiper Grigg in 1929?

What office item was invented by Bette Nesmith Graham in 1951?

Who came up with the idea for INSTANT MASHED POTATO?

What George Pullman invented?

In the 1700s, who would pay the postage fee for letters before the stamp was invented?

What toy did George Lerner create for Hasbro company in 1952?

For whom high heeled shoes were invented?