General Knowledge — English

What is the main purpose of a thermometer?
The main purpose of a thermometer is to measure temperature. Thermometers come in various types, including mercury, digital, and infrared,...
Added: 05 Apr 1999
Updated: 24 Nov 2025
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What is the total number of colors in a rainbow?
The total number of colors in a rainbow is typically described as seven. These colors, often remembered by the acronym...
Added: 05 Apr 1999
Updated: 09 Nov 2025
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Who is credited with formulating the laws of motion?
Sir Isaac Newton is credited with formulating the laws of motion, which are the foundation of classical mechanics. His three...
Added: 05 Apr 1999
Updated: 18 Nov 2025
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What is the term for the imaginary line that divides the Earth into Eastern and Western Hemispheres?
The imaginary line that divides the Earth into Eastern and Western Hemispheres is called the Prime Meridian. Located at 0...
Added: 05 Apr 1999
Updated: 25 Nov 2025
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Which famous structure in Egypt is known as a tomb?
The famous structure in Egypt known as a tomb is the Great Pyramid of Giza. It is the largest of...
Added: 05 Apr 1999
Updated: 03 Nov 2025
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What musical instrument is associated with a symphony orchestra and features keys?
The musical instrument associated with a symphony orchestra and featuring keys is the piano. The piano is a versatile keyboard...
Added: 05 Apr 1999
Updated: 06 Nov 2025
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What is the phenomenon where a liquid turns into vapor called?
The phenomenon where a liquid turns into vapor is known as evaporation. This process occurs when molecules at the surface...
Added: 05 Apr 1999
Updated: 27 Nov 2025
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What is the only flag that does not have four-sided edges?
The only flag that does not have four-sided edges is the flag of Nepal. Unlike most national flags that feature...
Added: 05 Apr 1999
Updated: 29 Nov 2025
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What is known as the "Eighth Wonder of the World"?
The title "Eighth Wonder of the World" is often attributed to the Great Wall of China due to its immense...
Added: 05 Apr 1999
Updated: 26 Nov 2025
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What event is memorialized by Memorial Day in the U.S.?
Memorial Day in the U.S. is a federal holiday dedicated to honoring and remembering the men and women who have...
Added: 05 Apr 1999
Updated: 24 Nov 2025
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What is the term for an animal that is active during the night?
An animal that is active during the night is referred to as nocturnal. Nocturnal animals have adapted to being primarily...
Added: 05 Apr 1999
Updated: 17 Nov 2025
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In what geographical feature can the Nile River be found?
The Nile River can be found in northeastern Africa, flowing through several countries, including Uganda, Sudan, and Egypt. It is...
Added: 05 Apr 1999
Updated: 06 Nov 2025
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Which empire was ruled by Genghis Khan?
The empire ruled by Genghis Khan was the Mongol Empire. Established in the early 13th century, it became the largest...
Added: 05 Apr 1999
Updated: 01 Dec 2025
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What is the name of the world's first successful vaccine?
The world's first successful vaccine is the smallpox vaccine, developed by Edward Jenner in 1796. Jenner discovered that milkmaids who...
Added: 05 Apr 1999
Updated: 24 Nov 2025
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Who is often referred to as the "Father of Medicine"?
Hippocrates is often referred to as the "Father of Medicine." He was an ancient Greek physician who lived during the...
Added: 05 Apr 1999
Updated: 19 Nov 2025
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Who discovered gravity?
Sir Isaac Newton is credited with discovering gravity. His formulation of the law of universal gravitation in the 17th century...
Added: 05 Apr 1999
Updated: 30 Nov 2025
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What is the primary ingredient in a traditional martini?
The primary ingredient in a traditional martini is gin. A classic martini is made with a base of gin, which...
Added: 05 Apr 1999
Updated: 15 Nov 2025
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What instrument measures earthquake magnitude?
An instrument that measures earthquake magnitude is called a seismometer or seismograph. These devices detect and record the vibrations produced...
Added: 05 Apr 1999
Updated: 13 Nov 2025
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Which American landmark is known as the "Gateway to the West"?
The American landmark known as the "Gateway to the West" is the Gateway Arch in St. Louis, Missouri. This iconic...
Added: 05 Apr 1999
Updated: 26 Nov 2025
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What is the largest eye in the animal kingdom?
The largest eye in the animal kingdom belongs to the giant squid (Architeuthis dux). This deep-sea cephalopod has eyes that...
Added: 05 Apr 1999
Updated: 25 Nov 2025
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