Oceanography (The Hydrosphere) MCQ Questions

Correct Answer: (D) Slack water

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Slack water occurs twice during a tidal cycle. In coastal waters (flow influenced by friction and boundaries), one slack water occurs closer to low water (low-water slack tide, LWS) and another slack water occurs closer to high water (high-water slack tide, HWS)

Correct Answer: (A) Black Sea

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The Black Sea lies to the north of Turkey. Turkey borders with 8 countries and 4 seas, given as follows –
In the North-West- Bulgaria
In the West- Greece
In the North-East - Georgia
In the East- Iran, Azerbaijan and Armenia
In the South-East - Iraq and Syria
Seas bordering with Turkey are –
In the North-Black Sea
Towards West- Aegean and the Sea of Marmara
In South - The Mediterranean Sea.
Therefore, it is clear that the Black Sea is located at the North of Turkey.

Correct Answer: (C) Caspian Sea

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The capital of Azerbaijan, Baku, is its largest city located along the Caspian sea coast. It is to the east of Azerbaijan. Azerbaijan is a Muslim country in Europe. The Caspian sea is the largest saltwater lake.

Correct Answer: (D) Sea of Azov 

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While the Arctic Ocean is the world's smallest ocean, it's not the smallest and shallowest sea. The title of "smallest and shallowest sea" actually belongs to the Sea of Azov, located between Ukraine and Russia. The Sea of Azov is the shallowest sea in the world, with the depth varying between 0.9 and 14 metres (3 and 46 ft). There is a constant outflow of water from the Sea of Azov to the Black Sea.

Correct Answer: (C) Mediterranean Sea, Black Sea, Caspian Sea, Aral Sea

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Correct Answer: (C) Caspian Sea

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The Caspian Sea is the world's largest inland sea. It is the world's largest lake with a total area of approximately 371000 sq. km. It is bordered by –
Russia - Northwest
Azerbaijan - West
Iran - South and
South east and East - Turkmenistan and Kazakhstan
The Sea of Azov is connected with the Caspian Sea through Manych canal and Volga-don-canal.

Correct Answer: (B) Northern Atlantic

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Sargasso sea is a region of the north Atlantic Ocean bounded by four currents which form an ocean gyre. It has been named after sargassum seaweed abundantly found in this region.

Correct Answer: (B) Sargasso Sea

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Sargasso sea in the North Atlantic is bounded by the gulf stream on the west, the North Atlantic ocean on the north, the Canary current on the east, and the North Atlantic equatorial current on the south. The Sargasso Sea is a region in the middle of the North Atlantic Ocean and thus does not have a coastline.

Correct Answer: (D) Tyrrhenian Sea

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The Tyrrhenian Sea is situated in the region of Mediterranean Sea bounded by the island of Corsica and Sardinia, the Italian peninsula and the island of Sicily.

Correct Answer: (A) Kazakhstan - Uzbekistan

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The Aral Sea is a lake in Central Asia. it is bordered by Kazakhstan and Uzbekistan.