Practice Oceans & Seas MCQs for PPSC Revenue Officer (BS-16) Geography — topic-wise sets with solved answers.
Q1. The highest mountain peak of Oceania is _______.
Answer: Puncak Jaya, Indonesia
Q2. The total area of the oceans contains ______.
Answer: 361.9 million km²
Explanation: The total area covered by the world's oceans is approximately 361.9 million km², representing about 70.8% of Earth's total surface area.
Q3. Which is the deepest ocean of the world?
Answer: Pacific
Explanation: The Pacific Ocean is the deepest, containing the Mariana Trench which reaches a maximum depth of approximately 11,034 metres at the Challenger Deep.
Q4. Oceans contain ______ of the total amount of water on Earth.
Answer: 71 per cent
Explanation: Oceans cover approximately 71% of Earth's surface and hold about 97% of all water on the planet, making them the dominant feature of Earth's hydrosphere.
Q5. The Suez Canal links the Mediterranean Sea directly to the:
Answer: Red Sea
Explanation: The Suez Canal, opened in 1869, connects the Mediterranean Sea directly to the Red Sea, providing a vital shipping route between Europe and Asia without rounding Africa.
Q6. What is the largest ocean basin on Earth?
Answer: Pacific Ocean
Explanation: The Pacific Ocean is the largest ocean basin on Earth, covering about 165 million km² - larger than all of Earth's land masses combined.
Q7. The Strait of Gibraltar connects:
Answer: Mediterranean Sea with Atlantic Ocean
Explanation: The Strait of Gibraltar, at its narrowest about 14 km wide, connects the Atlantic Ocean to the Mediterranean Sea, separating Spain in Europe from Morocco in Africa.
Q8. The Persian Gulf is located in _______.
Answer: Arabian sea
Q9. Ring of Fire is attributed to:
Answer: Pacific Ocean
Q10. The largest ocean in the world is:
Answer: Pacific Ocean
Explanation: The Pacific Ocean is the world's largest ocean, covering about 165 million km² - more than all the world's land areas combined - and containing the deepest ocean trench.
Q11. Basin means ____.
Answer: Deep area of land
Q12. Türkiye, Syria, Lebanon and Israel share:
Answer: Mediterranean Sea
Explanation: Turkey (Türkiye), Syria, Lebanon, and Israel all have coastlines on the Mediterranean Sea, which forms the northern boundary of the Middle East region.
Q13. The Huang He River falls into ______.
Answer: Yellow Sea
Q14. Among the following, which sea has the highest salinity?
Answer: Mediterranean Sea
Explanation: Among the given options, the Mediterranean Sea has the highest salinity (~38 parts per thousand) due to high evaporation rates and limited freshwater inflow compared to the Black, Caribbean, and Baltic Seas.
Q15. Which is the longest railway line in the world?
Answer: Trans-Siberian Railway
Explanation: The Trans-Siberian Railway, spanning about 9,289 km from Moscow to Vladivostok, is the world's longest railway line, crossing eight time zones through Russia.
Q16. Which natural region is characterized by rainfall mainly in winter?
Answer: Mediterranean region
Q17. How many oceans are there in the world?
Answer: 5
Explanation: Earth has five recognized oceans: Pacific, Atlantic, Indian, Arctic, and the Southern (Antarctic) Ocean, which was officially recognized by the IHO in 2000.
Q18. Which is known as the 8th continent?
Answer: None of these
Q19. Largest ocean in terms of size and water:
Answer: Pacific Ocean
Explanation: The Pacific Ocean is the largest and deepest ocean, covering more than 165 million km² - greater than the combined landmass of all continents.
Q20. In ocean basin relief, the ____ is a gently sloping, relatively shallow submerged plain of the continent.
Answer: Continental shelf
Loading...