All Free General Knowledge MCQs with Answers

• A. Lake Tana
• B. Lake Volta
• C. Lake Nasser
• D. Lake Kariba

Explanation: The Aswan High Dam impounded Lake Nasser on the Nile.

• A. Lake Roseires
• B. Lake Khartoum
• C. Lake Merowe
• D. Lake Nubia

Explanation: The Sudanese stretch of Lake Nasser is known as Lake Nubia.

• A. Angola and Zambia
• B. Mozambique and Malawi
• C. Zambia and Zimbabwe
• D. Botswana and Namibia

Explanation: Lake Kariba straddles the Zambia–Zimbabwe border.

• A. The Congo River
• B. The Kafue River
• C. The Limpopo River
• D. The Zambezi River

Explanation: Kariba Dam on the Zambezi created Lake Kariba.

• A. Ghana
• B. Ivory Coast
• C. Nigeria
• D. Togo

Explanation: Lake Volta in Ghana, formed by the Akosombo Dam on the Volta River, is one of the largest reservoirs by area.

• A. Six
• B. Five
• C. Four
• D. Seven

Explanation: The five Great Lakes are Superior, Michigan, Huron, Erie, and Ontario.

• A. A strait
• B. A roadstead
• C. A navigation canal
• D. A shipping lane

Explanation: A navigation canal is an artificial waterway built specifically for the passage of boats or ships, unlike natural channels.

• A. A canal is natural while a strait is artificial
• B. Both are natural waterways
• C. A canal is artificial while a strait is natural
• D. A canal is always wider than a strait

Explanation: Canals are engineered by humans, whereas straits are naturally formed passages between landmasses.

• A. To raise or lower vessels between different water levels
• B. To repair vessels out of water
• C. To unload cargo from large ships
• D. To anchor ships during storms

Explanation: A ship lock is a chamber with gates that fills or empties to move vessels up or down between water levels.

• A. Only small boats can pass
• B. Ships travel through without being lifted over an elevated summit level
• C. Ships are lifted by locks over a raised summit
• D. The canal is filled with freshwater from a lake

Explanation: In a sea-level canal the waterway stays at sea level throughout, so vessels need no locks to cross high ground.

• A. Building dams across a river
• B. Painting ships' hulls
• C. Removing sediment from the bottom of a waterway to keep or increase its depth
• D. Widening a harbour entrance with explosives

Explanation: Dredging clears accumulated silt and material from a channel bed so navigation depth is maintained or improved.

• A. The horizontal length of the vessel
• B. The width of the hull at the waterline
• C. The speed of the vessel in knots
• D. The vertical distance between its waterline and the bottom of its hull

Explanation: Draught measures how deep a ship sits in the water, from the waterline down to the lowest point of the hull.

• A. An established route regularly used by ships
• B. A coastal fishing zone
• C. A railway line near a port
• D. A buoy marking a harbour entrance

Explanation: Shipping lanes are defined, commonly used routes that guide vessels across seas to improve safety and efficiency.

• A. A wide bay used for anchoring
• B. A narrow passage where shipping traffic is concentrated
• C. A canal with many locks
• D. A port closed to foreign vessels

Explanation: Chokepoints are constricted sea passages through which large volumes of shipping must pass, making them strategically vital.

• A. Insuring cargo against loss at sea
• B. Transporting goods only by road
• C. Moving cargo between vessels during its journey
• D. Building a new ship from old parts

Explanation: Transshipment is the transfer of goods from one ship or transport service to another en route to the final destination.

• A. 1,852 metres
• B. 2,000 metres
• C. 1,609 metres
• D. 1,750 metres

Explanation: By international agreement, one nautical mile is fixed at exactly 1,852 metres.

• A. Saudi Arabia
• B. Egypt
• C. Sudan
• D. Jordan

Explanation: The Suez Canal runs across Egypt, linking the Mediterranean with the Red Sea.

• A. The Mediterranean Sea and the Black Sea
• B. The Persian Gulf and the Red Sea
• C. The Mediterranean Sea and the Red Sea
• D. The Red Sea and the Arabian Sea

Explanation: The canal cuts across the Isthmus of Suez to connect the Mediterranean in the north with the Red Sea in the south.

• A. The Isthmus of Kra
• B. The Isthmus of Panama
• C. The Isthmus of Corinth
• D. The Isthmus of Suez

Explanation: The canal is dug across the narrow Isthmus of Suez, which joins Africa to the Sinai Peninsula.

• A. Port Said
• B. Suez
• C. Alexandria
• D. Ismailia

Explanation: Port Said sits on the Mediterranean coast at the canal's northern mouth.