Important Facts, Key Points and MCQs for Exams

 

World GK Important Facts 2026

Last Updated: 07 October 2026, 11:15 AM IST | Reviewed by Vijay Sah

World GK covers the countries, continents, oceans, international organisations, important geographical features, world history and major global facts that regularly appear in competitive examinations.

For SSC, Banking, Railway, UPSC and other exams, the useful approach is to learn these facts in groups rather than memorising disconnected names. This guide focuses on high-frequency World GK facts, common comparisons and areas where questions are easily confused.

Key points at a glance: Continents and oceans, important geographical facts, world organisations and headquarters, major historical events, international currencies and commonly tested country facts.

Quick Links: Quick Facts | Meaning and Background | Key Facts and Geography | Important Terms | Comparison | Exam Traps | One-Liners | MCQs | Quick Revision | Final Takeaway | FAQs

Quick Facts

Point	Fact
Continents	The commonly taught seven-continent model includes Asia, Africa, North America, South America, Antarctica, Europe and Australia.
Largest Continent	Asia is the largest continent by area and population.
Largest Ocean	The Pacific Ocean is the largest and deepest ocean.
Highest Mountain	Mount Everest is the highest mountain above sea level.
Largest Hot Desert	The Sahara is the world's largest hot desert.
United Nations	The UN was founded in 1945 and currently has 193 Member States.
UN Headquarters	The United Nations headquarters is in New York City, United States.
WHO Headquarters	The World Health Organization is headquartered in Geneva, Switzerland.
World Bank Headquarters	The World Bank headquarters is in Washington, D.C., United States.
International Court of Justice	The ICJ is based at the Peace Palace in The Hague, Netherlands.

Meaning and Background

What World GK includes

World General Knowledge is the study of important facts about countries, physical geography, international institutions, history, currencies, capitals, major discoveries and global events. Competitive exams usually test facts that help identify a country, place, institution or historical development.

A question may be direct, such as asking for the headquarters of an organisation, or indirect, such as giving a headquarters and asking the organisation. Geography questions can similarly move between a feature and its location.

Exam Point: World GK is best prepared by linking countries with their capitals, currencies, locations, organisations and major geographical features.

Continents and their basic features

The seven-continent model used in much Indian school-level GK divides the landmass into Asia, Africa, North America, South America, Antarctica, Europe and Australia. Asia is the largest by area and population, while Australia is the smallest continent in the conventional seven-continent classification.

Antarctica is the southernmost continent and surrounds the South Pole. Europe and Asia form one connected landmass, often described geographically as Eurasia, although they are treated as separate continents in the commonly used model.

Common mistake: Do not confuse the continent of Australia with the broader region sometimes called Oceania.

Exam Point: Asia is the largest continent; Australia is the smallest of the seven commonly taught continents.

Key Facts and Geography

Oceans and major geographical features

The Pacific, Atlantic, Indian, Southern and Arctic are the five oceans commonly recognised in modern geography. The Pacific is the largest of them and contains the Mariana Trench, whose Challenger Deep is the deepest known point in Earth's oceans.

The Indian Ocean lies between Africa, Asia, Australia and the Southern Ocean region. The Atlantic separates the Americas from Europe and Africa, while the Arctic Ocean occupies the polar region around the North Pole.

Exam Point: The Pacific Ocean is the largest ocean, while the Arctic Ocean is the smallest of the five oceans.

Mountains and highest peaks

Mount Everest, in the Himalayas, is the highest mountain above sea level. It lies on the Nepal-China border. The mountain is known as Sagarmatha in Nepal and Chomolungma in Tibetan.

Other major mountain systems include the Andes in South America, the Alps in Europe and the Rockies in North America. Questions often ask candidates to match a mountain range with its continent.

Exam Point: Mount Everest is the highest mountain above sea level and is located in the Himalayas.

Deserts of the world

The Sahara stretches across much of North Africa and is the world's largest hot desert. Antarctica, however, is the world's largest desert when polar deserts are included because deserts are defined by very low precipitation rather than high temperature.

This distinction is a favourite examination trap. A question asking for the largest hot desert points to the Sahara, while a question asking for the largest desert overall points to Antarctica.

Common mistake: Sahara is the largest hot desert, not the largest desert of any type.

Exam Point: Sahara is the largest hot desert; Antarctica is the largest desert overall.

Important rivers and lakes

The Nile is traditionally identified in general GK as the world's longest river, although measurements and scientific discussions concerning the Nile and Amazon have produced competing claims depending on methodology. For exam preparation, the wording of the question and the accepted reference used by the examination should be considered.

Lake Baikal in Russia is the world's deepest freshwater lake and contains a very large share of the world's unfrozen surface freshwater. The Caspian Sea is the world's largest inland body of water by area despite being called a sea.

Exam Point: Lake Baikal is the deepest freshwater lake in the world; the Caspian Sea is the largest inland body of water by area.

United Nations

The United Nations was founded in 1945 after the Second World War. Its Charter was signed on 26 June 1945 and entered into force on 24 October 1945. The organisation currently has 193 Member States.

The UN's principal organs include the General Assembly, Security Council, Economic and Social Council, Trusteeship Council, International Court of Justice and Secretariat. The General Assembly represents all UN Member States, while the Security Council has 15 members, including five permanent members.

Exam Point: The UN has 193 Member States, and its Security Council has 15 members, including five permanent members.

Major international organisations

Several international organisations appear regularly in Indian competitive exams. The World Health Organization is headquartered in Geneva, Switzerland, and works on international public-health matters. The World Bank is headquartered in Washington, D.C., and works through institutions concerned with development and poverty reduction.

The International Monetary Fund is also headquartered in Washington, D.C. The International Court of Justice, the principal judicial organ of the United Nations, sits at the Peace Palace in The Hague, Netherlands.

Exam Point: Geneva is associated with WHO, Washington, D.C. with the World Bank and IMF, and The Hague with the International Court of Justice.

Countries, capitals and currencies

Country-capital-currency questions remain a standard part of World GK. A few frequently tested examples are Japan-Tokyo-yen, China-Beijing-yuan, the United Kingdom-London-pound sterling and Switzerland-Bern-Swiss franc.

Capital questions require care because the largest city is not always the national capital. Currency names can also be shared by several countries, so the country should always be learned together with the currency.

Exam Point: Learn a country's capital and currency as a pair rather than memorising either fact independently.

Important world history milestones

World history questions often focus on events that changed political systems, international relations or scientific thinking. The French Revolution began in 1789, the First World War lasted from 1914 to 1918, and the Second World War lasted from 1939 to 1945.

The Russian Revolution of 1917 led to major political changes in Russia. The United Nations was established in the aftermath of the Second World War, with the UN Charter entering into force in October 1945.

Exam Point: The First World War lasted from 1914 to 1918, while the Second World War lasted from 1939 to 1945.

Major global institutions and their roles

International institutions are often distinguished by their main area of work. WHO focuses on global health. The IMF deals with international monetary cooperation and financial stability. The World Bank Group works on development financing and related areas. The ICJ deals with legal disputes between states and gives advisory opinions on legal questions referred to it by authorised UN organs and agencies.

The distinction matters because examination options may contain several organisations that sound related. The best method is to connect each institution with its core function and headquarters.

Exam Point: WHO, IMF, World Bank and ICJ have different mandates; headquarters alone should not be used to identify their functions.

Important Terms

Geographical terms

Latitude: An angular measurement of a location north or south of the Equator.

Longitude: An angular measurement east or west of the Prime Meridian.

Equator: The imaginary line at 0° latitude dividing Earth into the Northern and Southern Hemispheres.

Prime Meridian: The reference meridian at 0° longitude, passing through Greenwich in London.

Archipelago: A group or chain of islands.

Exam Point: Latitude measures position north or south of the Equator; longitude measures position east or west of the Prime Meridian.

International relations terms

Permanent member: A country holding a permanent seat on the UN Security Council. The five permanent members are China, France, Russia, the United Kingdom and the United States.

Veto: The special voting power of each permanent Security Council member on substantive matters.

Multilateral organisation: An organisation in which multiple countries cooperate through agreed institutional arrangements.

Exam Point: The five permanent members of the UN Security Council are China, France, Russia, the United Kingdom and the United States.

Commonly Confused Facts

Topic	Difference
Sahara vs Antarctica	Sahara is the largest hot desert; Antarctica is the largest desert overall.
WHO vs World Bank	WHO is a global health organisation headquartered in Geneva; the World Bank is a development institution headquartered in Washington, D.C.
IMF vs World Bank	Both are based in Washington, D.C., but they have different institutional mandates and functions.
UN General Assembly vs Security Council	All 193 UN members sit in the General Assembly; the Security Council has 15 members.
Latitude vs Longitude	Latitude is measured north or south of the Equator; longitude is measured east or west of the Prime Meridian.
Continent vs Ocean	A continent is a major land division; an ocean is a major continuous body of salt water.

Exam Point: Many World GK errors occur because two related facts are remembered without their distinguishing feature.

Common Exam Traps

Largest does not always mean the same thing

Questions using the word "largest" need a second look. The largest continent is Asia, the largest ocean is the Pacific, the largest hot desert is the Sahara, and the largest desert overall is Antarctica.

The category changes the answer. A candidate who memorises only one "largest desert" fact can easily lose a straightforward question.

Exam Point: Identify the category before answering any question using "largest", "smallest", "highest" or "deepest".

Headquarters are frequently tested

International organisations are often asked through their headquarters rather than their functions. Geneva is strongly associated with WHO, while Washington, D.C. is associated with both the World Bank and IMF. The ICJ is based in The Hague.

Common mistake: Do not assume that every organisation connected with the UN is headquartered in New York.

Exam Point: Memorise organisation, headquarters and primary function together.

UN bodies should not be mixed

The General Assembly includes all 193 UN Member States. The Security Council has 15 members, of which five are permanent and ten are elected for two-year terms. The International Court of Justice has 15 judges elected by the General Assembly and Security Council.

The numbers are close enough to create multiple-choice traps, so they should be learned separately.

Exam Point: UN General Assembly: 193 members; Security Council: 15 members; ICJ: 15 judges.

One-Liners

• Asia is the largest continent by area and population.
• Australia is the smallest continent in the conventional seven-continent model.
• The Pacific Ocean is the largest ocean.
• Mount Everest is the highest mountain above sea level.
• The Sahara is the largest hot desert.
• Antarctica is the world's largest desert overall.
• Lake Baikal is the world's deepest freshwater lake.
• The Caspian Sea is the largest inland body of water by area.
• The United Nations was founded in 1945.
• The United Nations currently has 193 Member States.
• The UN Security Council has 15 members.
• Five countries are permanent members of the UN Security Council.
• WHO headquarters are in Geneva, Switzerland.
• The World Bank headquarters is in Washington, D.C.
• The International Court of Justice is based in The Hague.

MCQs

Q1. Which is the largest continent by area?
A. Africa
B. Asia
C. Europe
D. North America
Correct Answer: B. Asia

Q2. Which ocean is the largest?
A. Atlantic Ocean
B. Indian Ocean
C. Pacific Ocean
D. Arctic Ocean
Correct Answer: C. Pacific Ocean

Q3. Which is the largest hot desert in the world?
A. Gobi
B. Kalahari
C. Sahara
D. Atacama
Correct Answer: C. Sahara

Q4. Where is the headquarters of the World Health Organization?
A. New York
B. Geneva
C. Paris
D. Rome
Correct Answer: B. Geneva

Q5. How many Member States does the United Nations currently have?
A. 191
B. 192
C. 193
D. 195
Correct Answer: C. 193

Q6. Which organisation is headquartered in Washington, D.C.?
A. World Health Organization
B. International Court of Justice
C. World Bank
D. UNESCO
Correct Answer: C. World Bank

Q7. Which of the following has 15 members, including five permanent members?
A. UN Security Council
B. UN General Assembly
C. UN Economic and Social Council
D. International Court of Justice
Correct Answer: A. UN Security Council

Q8. Which is the deepest freshwater lake in the world?
A. Lake Victoria
B. Lake Superior
C. Lake Baikal
D. Lake Tanganyika
Correct Answer: C. Lake Baikal

Q9. Where is the International Court of Justice located?
A. Geneva
B. Brussels
C. The Hague
D. Vienna
Correct Answer: C. The Hague

Q10. Which statement about latitude is correct?
A. It measures distance east or west of Greenwich
B. It measures position north or south of the Equator
C. It identifies only the Earth's time zones
D. It is another name for longitude
Correct Answer: B. It measures position north or south of the Equator

Quick Revision

Topic	Important Fact
Largest Continent	Asia.
Largest Ocean	Pacific Ocean.
Highest Mountain	Mount Everest.
Largest Hot Desert	Sahara.
Largest Desert Overall	Antarctica.
Deepest Freshwater Lake	Lake Baikal.
UN Members	193 Member States.
UN Security Council	15 members, including five permanent members.
WHO Headquarters	Geneva, Switzerland.
World Bank Headquarters	Washington, D.C., United States.
ICJ Location	The Hague, Netherlands.

Final Takeaway

World GK becomes easier when geographical features are learned with their exact categories and locations.

For international organisations, remember the headquarters along with the main function and membership structure.

Dates from world history should be revised as connected timelines rather than isolated numbers.

Before an exam, repeated revision of country, capital, currency, organisation and geography pairs can improve recall and reduce common option-based mistakes.

FAQs

Which is the largest continent in the world?

Asia is the largest continent by both area and population.

Which is the largest ocean in the world?

The Pacific Ocean is the largest ocean.

What is the largest hot desert in the world?

The Sahara is the world's largest hot desert. Antarctica is larger when all types of deserts, including polar deserts, are considered.

How many members does the United Nations have?

The United Nations currently has 193 Member States.

Where is the WHO headquarters located?

The headquarters of the World Health Organization is in Geneva, Switzerland.

Where is the World Bank headquartered?

The World Bank headquarters is located in Washington, D.C., United States.

Where is the International Court of Justice located?

The International Court of Justice is based at the Peace Palace in The Hague, Netherlands.

How many permanent members are there in the UN Security Council?

There are five permanent members: China, France, Russia, the United Kingdom and the United States.

Sources referred: United Nations, World Health Organization, World Bank