LAT General Knowledge MCQs

Dmitri Mendeleev arranged elements in a periodic system.
He also predicted properties of undiscovered elements.

Alexander Fleming discovered penicillin's antibacterial effect in 1928.
The discovery led to the development of antibiotics.

Edward Jenner demonstrated vaccination against smallpox in the 1790s.
His work helped establish immunization.

Tim Berners-Lee created the World Wide Web at CERN.
He developed core technologies including HTML and HTTP.

A seismograph records ground motion caused by earthquakes.
The recorded trace is called a seismogram.

Alexander Graham Bell is commonly credited with the practical telephone.
He received a major U.S. telephone patent in 1876.

An anemometer measures wind speed.
It is commonly used at weather stations.

Johannes Gutenberg developed a movable-type printing system in Europe.
It greatly expanded the production of books.

Light travels at about 300,000 kilometers per second in vacuum.
The exact value is approximately 299,792 km/s.

James Watt greatly improved steam-engine efficiency.
His work supported the Industrial Revolution.

Mercury is the innermost planet of the Solar System.
It completes an orbit faster than any other planet.

Alfred Nobel invented dynamite.
His fortune later funded the Nobel Prizes.