All Free General Knowledge MCQs with Answers

• A. A channel that branches away from a river's main channel
• B. An underground water source
• C. The meeting point of two rivers
• D. A stream that joins a larger river

Explanation: Distributaries split off from the main channel, commonly in deltas.

• A. A dried-up riverbed
• B. The point where two or more rivers meet
• C. A river's entry into the sea
• D. The source of a river

Explanation: A confluence marks the joining of two or more watercourses.

• A. A deep underwater canyon
• B. A reservoir behind a dam
• C. The area of land drained by a river and its tributaries
• D. The floodplain of a single river bend

Explanation: All rainfall within a drainage basin eventually flows into that river system.

• A. The deepest point of a river
• B. A waterfall at a river's source
• C. A landform created by sediment deposited at a river's mouth, often containing distributary channels
• D. A coastal body where river water mixes with seawater

Explanation: Deltas form where a river drops its sediment load on meeting a slower-moving water body.

• A. A lake formed by a dam
• B. A channel branching off a river
• C. The highest point of a river
• D. A coastal water body where river water mixes with seawater

Explanation: Estuaries are tidal zones where fresh river water blends with the sea.

• A. The Nile
• B. The Yangtze River
• C. The Mississippi River
• D. The Amazon River

Explanation: The Nile is traditionally ranked first, though comparisons with the Amazon vary with measurement methods.

• A. The Yangtze River
• B. The Ganges River
• C. The Amazon River
• D. The Congo River

Explanation: The Amazon discharges more water than any other river on Earth.

• A. The Congo River
• B. The Mississippi River
• C. The Nile
• D. The Amazon River

Explanation: The Amazon's basin covers the largest area of any river system.

• A. The Nile
• B. The Niger River
• C. The Congo River
• D. The Zambezi River

Explanation: The Nile is Africa's longest river, flowing about 6,650 km north through north-eastern Africa to the Mediterranean.

• A. Eastward
• B. Northward
• C. Southward
• D. Westward

Explanation: The Nile flows north through Sudan and Egypt to the Mediterranean.

• A. The Red Sea
• B. The Black Sea
• C. The Mediterranean Sea
• D. The Arabian Sea

Explanation: The Nile forms its delta on Egypt's Mediterranean coast.

• A. The Atbara and the Sobat
• B. The Zambezi and the Limpopo
• C. The Niger and the Benue
• D. The White Nile and the Blue Nile

Explanation: The White Nile and Blue Nile are the Nile's two main branches.

• A. Khartoum, Sudan
• B. Juba, South Sudan
• C. Addis Ababa, Ethiopia
• D. Cairo, Egypt

Explanation: The two Niles join at Khartoum, the capital of Sudan.

• A. Lake Malawi
• B. Lake Victoria
• C. Lake Tana
• D. Lake Turkana

Explanation: The Blue Nile rises from Lake Tana in the Ethiopian highlands.

• A. Lake Kivu
• B. Lake Tanganyika
• C. Lake Albert
• D. Lake Victoria

Explanation: Lake Victoria feeds the White Nile system in East Africa.

• A. The Nile
• B. The Tigris
• C. The Jordan
• D. The Euphrates

Explanation: Egypt's capital stands on the banks of the Nile.

• A. The Niger
• B. The Nile
• C. The Euphrates
• D. The Zambezi

Explanation: The Aswan High Dam spans the Nile in southern Egypt.

• A. Lake Volta
• B. Lake Kariba
• C. Lake Nasser, with its Sudanese portion known as Lake Nubia
• D. Lake Tana

Explanation: The dam impounded Lake Nasser, which extends into Sudan as Lake Nubia.

• A. The Nile
• B. The Zambezi River
• C. The Niger River
• D. The Congo River

Explanation: The Congo is the world's deepest measured river.

• A. The Orange River
• B. The Niger River
• C. The Nile
• D. The Congo River

Explanation: The Congo's great bend carries it across the Equator two times.