Oceans & Seas MCQs set 3 for PPSC Forest / Wildlife Officer (BS-17) Geography — 20 solved questions.
Q1. Identify the largest sea.
Answer: South China Sea
Explanation: The South China Sea, covering about 3.5 million km², is the world's largest sea and is strategically important for global shipping and rich in marine biodiversity.
Q2. The eastern Mediterranean island of Cyprus is divided between:
Answer: Greece and Turkey
Explanation: Cyprus has been divided since 1974 when Turkey militarily occupied the northern third of the island, creating a Turkish Cypriot administration separate from the Greek Cypriot Republic of Cyprus.
Q3. The deepest part of the Ocean is:
Answer: Mariana Trench
Explanation: The Mariana Trench in the western Pacific Ocean reaches a maximum depth of about 11,034 metres at Challenger Deep, making it the deepest known point in all of Earth's oceans.
Q4. The Arctic Ocean is located at the ______ part of the world.
Answer: North
Explanation: The Arctic Ocean is centred on the North Pole and is entirely surrounded by the northern landmasses of Europe, Asia, and North America, making it the world's northernmost ocean.
Q5. In which ocean is the enigmatic "Bermuda Triangle" located?
Answer: Atlantic Ocean
Explanation: The Bermuda Triangle is located in the western part of the North Atlantic Ocean, roughly bounded by Miami, Bermuda, and Puerto Rico, where ships and aircraft have reportedly disappeared under mysterious circumstances.
Q6. The largest ocean in the world is the:
Answer: Pacific Ocean
Explanation: The Pacific Ocean, covering about 165 million km² - roughly one-third of Earth's surface - is the world's largest and deepest ocean.
Q7. The Panama Canal connects which two oceans?
Answer: Pacific and Atlantic Oceans
Q8. Which is the largest and deepest ocean in the world?
Answer: Pacific Ocean
Explanation: The Pacific Ocean is both the largest ocean, covering about 165 million km², and the deepest, with its Mariana Trench reaching over 11,000 metres depth.
Q9. Which among the following is the largest ocean of the world?
Answer: Pacific Ocean
Q10. The Mindanao Island is located in the ________.
Answer: The Pacific Ocean
Q11. "Ring of Fire" refers to the ring of volcanoes ''''.
Answer: Circum-Pacific Belt
Explanation: The "Ring of Fire" is the technical term for the Circum-Pacific Belt, a 40,000 km horseshoe-shaped zone around the Pacific Ocean with 75% of the world's volcanoes and most major earthquakes.
Q12. Chabahar Port is located in the southeastern part of Iran, on the:
Answer: Gulf of Oman
Explanation: Chabahar is a free-trade port city on Iran's Makran coast, situated directly on the Gulf of Oman, giving it strategic importance for trade with Central Asia.
Q13. The deepest and largest ocean is:
Answer: Pacific
Q14. The Panama Canal connects:
Answer: Atlantic Ocean with Pacific Ocean
Explanation: The Panama Canal, opened in 1914, cuts through the Isthmus of Panama to connect the Atlantic Ocean (via the Caribbean Sea) with the Pacific Ocean, shortening the shipping route between the two oceans by thousands of kilometres.
Q15. Diego Garcia is located in which ocean?
Answer: Indian
Explanation: Diego Garcia is a British Indian Ocean Territory atoll located in the central Indian Ocean, used as a major US and UK military base.
Q16. What is a basin?
Answer: Deep area in land
Q17. The deepest ocean in the world is:
Answer: Pacific Ocean
Explanation: The Pacific Ocean is the deepest ocean, containing the Mariana Trench (approximately 11,034 m deep), and also the largest ocean by both area and volume.
Q18. What is the total number of oceans in the world?
Answer: 5
Explanation: There are five officially recognised oceans: the Pacific, Atlantic, Indian, Southern (Antarctic), and Arctic Oceans, as recognised by the International Hydrographic Organization.
Q19. Which is the deepest ocean in the world?
Answer: Pacific
Explanation: The Pacific Ocean, with its Mariana Trench reaching a maximum depth of about 11,034 metres, is the deepest of the world's five oceans.
Q20. It separates Spain from Africa and connects the Mediterranean Sea with the Atlantic Ocean.
Answer: Gibraltar
Explanation: The Strait of Gibraltar is the narrow waterway between Spain and Morocco that separates Europe from Africa and links the Atlantic Ocean to the Mediterranean Sea.