General Science MCQs – Inventions (Job Test Preparation in Pakistan)
Who invented the telephone?
Alexander Graham Bell is credited with inventing the telephone in 1876.
Who invented the light bulb?
Thomas Edison developed the first practical incandescent light bulb in 1879.
Who invented the airplane?
Orville and Wilbur Wright invented and flew the first powered airplane in 1903.
Who invented the radio?
Guglielmo Marconi is credited with inventing the radio in the 1890s.
Who invented the television?
John Logie Baird demonstrated the first working television system in 1926.
Who invented the refrigerator?
Carl von Linde invented the first practical refrigerator in 1876.
Who invented the electric motor?
Michael Faraday invented the first electric motor in 1821.
Who invented the typewriter?
Christopher Sholes invented the first practical typewriter in 1868.
Who invented the pacemaker?
John Hopps invented the first external pacemaker in 1950.
Who invented the thermometer?
Galileo Galilei invented an early thermoscope, the precursor to the thermometer, in 1592.
Who invented the computer?
Charles Babbage designed the first mechanical computer, the Analytical Engine, in the 1830s.
Who invented the World Wide Web?
Tim Berners-Lee invented the World Wide Web in 1989.
Who invented the microscope?
Zacharias Janssen is credited with inventing the first compound microscope in the late 16th century.
Who invented the X-ray?
Wilhelm Roentgen discovered X-rays in 1895.
Who invented the battery?
Alessandro Volta invented the first electric battery, the Voltaic Pile, in 1800.
Who invented the internet?
Vint Cerf is one of the fathers of the internet, co-designing TCP/IP protocols in the 1970s.
Who invented dynamite?
Alfred Nobel invented dynamite in 1867.
Who invented the sewing machine?
Elias Howe invented the first practical sewing machine in 1846.
Who invented the steam engine?
James Watt improved the steam engine in the 1770s, making it practical for industrial use.
Who invented the calculator?
Blaise Pascal invented the mechanical calculator in 1642.
Who invented the printing press?
Johannes Gutenberg invented the printing press around 1440.
Who invented the stethoscope?
René Laennec invented the stethoscope in 1816.
Who invented the barometer?
Evangelista Torricelli invented the barometer in 1643.
Who invented the pendulum clock?
Christiaan Huygens invented the pendulum clock in 1656.
Who invented Braille script?
Louis Braille invented the Braille script in 1824.
Who invented the safety pin?
Walter Hunt invented the safety pin in 1849.
Who invented the vacuum cleaner?
Hubert Booth invented the first powered vacuum cleaner in 1901.
Who invented the telephone exchange?
Tivadar Puskás invented the telephone exchange in 1877.
Who invented the electric fan?
Schuyler Wheeler invented the electric fan in 1882.
Who invented the ballpoint pen?
László Bíró invented the ballpoint pen in 1938.
Who invented the zipper?
Whitcomb Judson invented the zipper in 1893.
Who invented the escalator?
Jesse Reno invented the escalator in 1891.
Who invented the air conditioner?
Willis Carrier invented the modern air conditioner in 1902.
Who invented the diesel engine?
Rudolf Diesel invented the diesel engine in 1893.
Who invented the jet engine?
Frank Whittle invented the jet engine in 1937.
Who invented the helicopter?
Igor Sikorsky invented the first practical helicopter in 1940.
Who invented the rocket?
Robert Goddard invented the first liquid-fueled rocket in 1926.
Who invented the ATM?
John Shepherd-Barron invented the ATM in 1967.
Who invented the mobile phone?
Martin Cooper invented the first handheld mobile phone in 1973.
Who invented the electric washing machine?
Alva Fisher invented the first electric washing machine in 1908.
Who invented the matchstick?
John Walker invented the first friction match in 1826.
Who invented stainless steel?
Harry Brearley invented stainless steel in 1913.
Who invented the camera?
Joseph Nicéphore Niépce created the first permanent photograph in 1826.
Who invented the submarine?
Cornelis Drebbel built the first navigable submarine in 1620.
Who invented the mechanical clock?
Liang Lingzan and Yi Xing invented the first mechanical clock in 725 AD.
Who invented the microscope slide?
Robert Hooke is credited with using microscope slides in his observations.
Who invented the parachute?
Leonardo da Vinci designed the first parachute in 1485.
Who invented the injection syringe?
Charles Pravaz invented the first practical injection syringe in 1853.
Who invented the phonograph?
Thomas Edison invented the phonograph in 1877.