Straits & Canals — Set 1

Correct Answer: A. Strait of Bab-el-Mandeb

• **Strait of Bab-el-Mandeb** = connects the Red Sea to the Gulf of Aden, separating Asia (Yemen) from Africa (Djibouti/Eritrea). • **'Gate of Tears'** — the Arabic name Bab-el-Mandeb means 'Gate of Tears', reflecting the dangerous navigation conditions in this narrow passage. • 💡 Wrong-option analysis: Strait of Malacca: connects Indian and Pacific Oceans between Malay Peninsula and Sumatra; Strait of Hormuz: connects Persian Gulf to Gulf of Oman; Strait of Gibraltar: connects Atlantic Ocean to Mediterranean Sea.

Correct Answer: A. Sri Lanka

• **Palk Strait** = narrow body of water between Tamil Nadu (India) and Mannar district of Sri Lanka, connecting Bay of Bengal to Palk Bay. • **53 km** — the narrowest width of Palk Strait; named after Robert Palk, Governor of Madras Presidency; Adam's Bridge (Ram Setu) geological structures lie here. • 💡 Wrong-option analysis: Indonesia: separated from India by the Bay of Bengal and Andaman Sea, no shared strait; Bangladesh: shares land border with India, no strait; Maldives: located far south in the Indian Ocean, not adjacent to Tamil Nadu.

Correct Answer: C. Panama Canal

• **Panama Canal** = artificial waterway cutting across the Isthmus of Panama, linking the Atlantic and Pacific Oceans. • **1914** — year the Panama Canal was completed by the United States, saving ships from the long route around Cape Horn at the tip of South America. • 💡 Wrong-option analysis: Kiel Canal: connects North Sea to Baltic Sea in Germany; Suez Canal: connects Mediterranean Sea to Red Sea in Egypt; Corinth Canal: cuts across the Isthmus of Corinth in Greece, connecting two Greek seas.

Correct Answer: C. Strait of Dover

• **Strait of Dover** = narrowest part of the English Channel, separating Great Britain from continental Europe (France). • **33 km** — the minimum width of the Strait of Dover at its narrowest point; on a clear day the opposite coast is visible; the Channel Tunnel runs beneath it. • 💡 Wrong-option analysis: Strait of Bonifacio: separates Corsica from Sardinia in the Mediterranean; Strait of Messina: separates Sicily from mainland Italy; Strait of Otranto: separates Italy from Albania, connecting Adriatic to Ionian Sea.

Correct Answer: A. Gulf of Oman

• **Strait of Hormuz** = only sea passage from the Persian Gulf to the open ocean via the Gulf of Oman, lying between Iran and Oman/UAE. • **~20% of global oil** — approximately one-fifth of the world's petroleum passes through the Strait of Hormuz, making it the most critical oil choke point in the world. • 💡 Wrong-option analysis: Gulf of Khambhat: an inlet of the Arabian Sea on India's west coast, unrelated to Persian Gulf; Gulf of Aqaba: northeastern arm of the Red Sea; Gulf of Mannar: between India and Sri Lanka on the eastern side.

Correct Answer: C. Bering Strait

• **Bering Strait** = connects the Chukchi Sea (Arctic Ocean) to the Bering Sea (Pacific Ocean), separating Alaska (USA) from Chukotka (Russia). • **85 km wide** — the Bering Strait is about 85 km wide; the International Date Line passes between the Diomede Islands in this strait; during the Ice Age it was a land bridge for human migration. • 💡 Wrong-option analysis: Cook Strait: separates North and South Islands of New Zealand; Bass Strait: separates mainland Australia from Tasmania; Davis Strait: connects Baffin Bay to the Labrador Sea between Greenland and Canada.

Correct Answer: A. Red Sea

• **Suez Canal** = sea-level artificial waterway in Egypt connecting the Mediterranean Sea to the Red Sea, providing the shortest maritime route between Europe and Asia. • **1869** — year the Suez Canal was officially opened; it is approximately 193 km long and eliminates the need to sail around the Cape of Good Hope. • 💡 Wrong-option analysis: Caspian Sea: landlocked sea in Central Asia with no connection to the Mediterranean; Black Sea: connected via Bosphorus and Dardanelles, not directly by Suez; Dead Sea: landlocked hypersaline lake in the Middle East, has no canal connection.

Correct Answer: A. Bass Strait

• **Bass Strait** = sea strait separating Tasmania from the south of the Australian mainland, connecting the Indian Ocean with the Tasman Sea. • **240 km long** — Bass Strait is approximately 240 km wide; named after surgeon George Bass who first proved Tasmania was an island in 1798-99. • 💡 Wrong-option analysis: Sundal Strait: not a recognized strait name (likely confused with Sunda Strait which is between Java and Sumatra); Torres Strait: separates mainland Australia from New Guinea; Foveaux Strait: separates South Island of New Zealand from Stewart Island.

Correct Answer: A. Sumatra

• **Strait of Malacca** = located between the Malay Peninsula and the Indonesian island of Sumatra, serving as the primary shipping channel between the Indian and Pacific Oceans. • **~900 km long** — the Strait of Malacca is about 900 km long; Singapore sits at its southern end and handles over 80,000 vessels annually, making it the world's busiest strait. • 💡 Wrong-option analysis: Sulawesi: a large Indonesian island far to the east, separated by the Makassar Strait from Borneo; Borneo: the third-largest island in the world, lies to the east of the Malay Peninsula; Java: separated from Sumatra by the Sunda Strait, not the Malacca Strait.

Correct Answer: A. Bosphorus Strait

• **Bosphorus Strait** = narrow, natural strait in northwestern Turkey connecting the Black Sea to the Sea of Marmara, forming part of the continental boundary between Europe and Asia. • **31 km long** — the Bosphorus is about 31 km long and only 700 m wide at its narrowest; Istanbul is built on both its shores, making it one of the few cities straddling two continents. • 💡 Wrong-option analysis: Kerch Strait: connects the Black Sea to the Sea of Azov between Russia and Crimea; Dardanelles Strait: connects the Sea of Marmara to the Aegean Sea (the other Turkish strait); Skagerrak Strait: connects the North Sea to the Kattegat between Denmark and Norway.