Inventions MCQs Archives

11. Who invented the phonograph?

A. Thomas Edison

B. John Kruesi

C. Jules Levy

D. Alexander Graham Bell

✅ The correct answer is option B.
John Kruesi was a mechanic for Edison, and Kruesi built the phonograph. Edison designed it, and later improved the phonograph.

12. When was Milk Tray first introduced?

A. 1915

B. 1934

C. 1923

D. 1942

✅ The correct answer is option A.
Milk Tray was introduced in 1915 in open boxes arranged on wooden trays. Today, with its distinctive purple and gold cartons and popularised by the “Man in Black” television adverts, its one of the most popular chocolate assortments.

13. What drink was invented by Charles Leiper Grigg in 1929?

A. 7-Up

B. Yoo-Hoo

C. Pepsi

D. Hawaiian Punch

✅ The correct answer is option A.
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.

14. Who invented Automobiles using gasoline?

A. Leo H Baekeland

B. Karl Benz

C. Evangelista Torricelli

D. Kirkpatrick Macmillan

✅ The correct answer is option B.
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.

15. Which scientist discovered the radioactive element radium?

Isaac Newton

Albert Einstein

Benjamin Franklin

Marie Curie

✅ The correct answer is option D.

16. Who invented the BALLPOINT PEN?

Biro Brothers

Waterman Brothers

Bicc Brothers

Write Brothers

✅ The correct answer is option A.
The Hungarian brothers, Laszlo and George Biro, made the first ball point pen in 1894. It followed the first workable fountain pen which was invented by L.E. Waterman in 1884.

17. What Galileo invented?

Barometer

Pendulum clock

Microscope

Thermometer

✅ The correct answer is option D.
Various authors have credited the invention of the thermometer to Cornelius Drebbel, Robert Fludd, Galileo Galilei or Santorio Santorio. The thermometer was not a single invention, however, but a development.

Galileo Galilei also discovered that objects (glass spheres filled with aqueous alcohol) of slightly different densities would rise and fall, which is nowadays the principle of the Galileo thermometer (shown). Today such thermometers are calibrated to a temperature scale.

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

Charles Richter

Hiram Walker

Giuseppe Mercalli

Joshua Rumble

✅ The correct answer is option A.
Richter was born on an Ohio farm in 1900. He died in 1985.

19. What J. B. Dunlop invented?

Pneumatic rubber tire

Automobile wheel rim

Rubber boot

Model airplanes

✅ The correct answer is option A.
John Boyd Dunlop, a veterinary surgeon, invented the pneumatic tyre in 1887.

20. 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.

George Washington

Alexander Hamilton

John Adams

Thomas Jefferson

✅ The correct answer is option D.
Thomas Jefferson (April 13, 1743 – July 4, 1826) was the third President of the United States (1801-1809) and the principal author of the Declaration of Independence (1776).