All Free General Knowledge MCQs with Answers

• A. A sea-level canal
• B. A tidal canal
• C. A lock canal
• D. A freshwater canal without locks

Explanation: Unlike Suez, Panama uses locks to lift ships up to Gatun Lake and back down again.

• A. Lake Titicaca
• B. Lake Maracaibo
• C. Lake Nicaragua
• D. Lake Gatun

Explanation: Gatun Lake, created by damming the Chagres River, is the elevated middle section of the canal.

• A. About 26 metres
• B. About 12 metres
• C. About 50 metres
• D. About 100 metres

Explanation: The locks lift vessels roughly 26 metres above sea level to the lake's surface.

• A. Desalinated water from coastal plants
• B. Seawater pumped from the Pacific
• C. Freshwater stored in its lake and watershed system
• D. Rainwater collected in the locks themselves

Explanation: Each lock transit releases large volumes of fresh water drawn from Gatun Lake and its watershed.

• A. It raises the canal's water temperature
• B. It damages the lock gates
• C. It closes the canal to all traffic permanently
• D. Low freshwater levels can limit lock operations and permissible ship draughts

Explanation: With less stored fresh water, fewer lockages are possible and ships must sail with shallower draughts.

• A. 1934
• B. 1904
• C. 1914
• D. 1924

Explanation: The canal was officially opened to commercial traffic in 1914.

• A. 31 December 1999
• B. 15 August 1914
• C. 4 July 1914
• D. 26 July 1956

Explanation: The official opening is dated 15 August 1914, when the SS Ancon made the inaugural transit.

• A. SS Savannah
• B. HMS Beagle
• C. SS Ancon
• D. SS Great Eastern

Explanation: The American cargo-passenger steamer SS Ancon made the first official transit.

• A. Colombia
• B. Germany
• C. Britain
• D. The United States

Explanation: After the French company's project collapsed, the United States took over and finished the canal.

• A. 31 December 1999
• B. 15 August 1914
• C. 1 January 2000
• D. 7 September 1977

Explanation: Full control transferred to Panama on 31 December 1999 under the canal treaties.

• A. The Treaty of Paris
• B. The Clayton-Bulwer Treaty
• C. The Torrijos-Carter Treaties
• D. The Hay-Bunau-Varilla Treaty

Explanation: The Torrijos-Carter Treaties of 1977 set the timetable for handing the canal to Panama.

• A. 1977
• B. 1997
• C. 1967
• D. 1987

Explanation: The two treaties were signed in 1977 by Panama's Omar Torrijos and US President Jimmy Carter.

• A. Vessel dimensions compatible with the Panama Canal's original locks
• B. The largest ship ever built
• C. The canal's expanded third set of locks
• D. Ships registered in Panama

Explanation: Panamax is the maximum size of ships that can fit the canal's original lock chambers.

• A. The original 1914 lock dimensions
• B. The larger vessel size class accommodated by the expanded Panama Canal locks
• C. A Panamanian shipping company
• D. Ships too large for any canal

Explanation: Neopanamax vessels are bigger ships that can use the new, larger locks opened in 2016.

• A. 2020
• B. 2006
• C. 2010
• D. 2016

Explanation: The canal's expansion, with a third set of larger locks, opened in 2016.

• A. A katabatic wind
• B. A sea breeze
• C. An anabatic wind
• D. A land breeze

Explanation: At night the land cools faster than the sea, so air flows from the cooler land out toward the warmer sea.

• A. The Loo
• B. The Khamsin
• C. The Harmattan
• D. The Sirocco

Explanation: The Loo is the scorching afternoon wind of the northern Indian plains during the hot season.

• A. The Foehn
• B. The Sirocco
• C. The Mistral
• D. The Bora

Explanation: The Sirocco carries hot, dry Saharan air northward across the Mediterranean into southern Europe.

• A. The Ghibli
• B. The Harmattan
• C. The Sirocco
• D. The Khamsin

Explanation: The Khamsin is the hot, dust-laden wind of the Sahara that affects Egypt, especially in spring.

• A. The Harmattan
• B. The Sirocco
• C. The Ghibli
• D. The Khamsin

Explanation: The Harmattan blows from the Sahara southwestward to the Atlantic coast of West Africa, carrying dust and haze.