Which is the largest country in the world by area?
Correct answer: A. Russia
Russia covers about 17 million square kilometres across Europe and Asia, roughly one-ninth of Earth's land area.
Solved world geography MCQs on the largest countries, lakes, islands, canals, straits, waterfalls and natural landmarks, with short explanations.
This second world geography set covers the largest countries, lakes and islands, famous canals and the seas they join, important straits, and other landmarks of physical geography.
Canal and strait questions are easier with a world map in front of you. Locate each one as you revise and note which two seas or oceans it connects.
Correct answer: A. Russia
Russia covers about 17 million square kilometres across Europe and Asia, roughly one-ninth of Earth's land area.
Correct answer: A. India
India overtook China as the most populous country in 2023, according to UN estimates.
Correct answer: B. Mariana Trench
The Challenger Deep in the Mariana Trench, western Pacific, is about 11,000 m deep.
Correct answer: C. Caspian Sea
The Caspian Sea, a saltwater lake bordered by Iran, Russia, Kazakhstan, Turkmenistan and Azerbaijan, is the largest lake. Lake Superior is the largest freshwater lake by area.
Read detailsCorrect answer: B. Andes
The Andes run about 7,000 km along the western side of South America.
Correct answer: B. Amazon
The Amazon carries more water than any other river, about a fifth of all river water reaching the oceans.
Correct answer: C. Greenland
Greenland, an autonomous territory of Denmark, is the largest island. Australia is counted as a continent.
Correct answer: A. Australia
Australia (with Oceania) is the smallest continent. There are seven continents in total.
Correct answer: C. Red Sea
The Suez Canal in Egypt opened in 1869 and shortened the sea route between Europe and Asia.
Correct answer: D. Atlantic and Pacific
The Panama Canal, opened in 1914, links the Atlantic and Pacific Oceans across the Isthmus of Panama.
Correct answer: A. Gulf of Oman
The narrow Strait of Hormuz between Iran and Oman is one of the world's most important oil shipping routes.
Correct answer: C. Istanbul
The Bosphorus joins the Black Sea to the Sea of Marmara and splits Istanbul between two continents.
Correct answer: A. Sumatra
The Strait of Malacca separates Malaysia from the Indonesian island of Sumatra and is a major shipping lane.
Correct answer: A. Dead Sea
The shores of the Dead Sea, between Jordan and Israel/the West Bank, are the lowest dry land on Earth.
Correct answer: C. Venezuela
Angel Falls in Venezuela drops about 979 m.
Correct answer: C. Mount Kilimanjaro
Kilimanjaro in Tanzania, a dormant volcano about 5,895 m high, is Africa's highest peak.
Correct answer: D. Chile
The Atacama in northern Chile is the driest non-polar desert. Some weather stations there have almost never recorded rain.
Read detailsCorrect answer: B. Mongolia and China
The Gobi is a cold desert that covers southern Mongolia and northern China.
Correct answer: D. Greenwich, London
The Prime Meridian passes through the Royal Observatory at Greenwich, London, and is the starting point for world time zones.
Read detailsCorrect answer: D. 180°
The International Date Line roughly follows the 180° meridian in the Pacific, zigzagging to avoid splitting countries.