hydrosphere & oceanography section 6 MCQ Questions & Answers Detailed Explanation

Answer: (a)

The Aral Sea is a landlocked sea. The Aral Sea has been steadily shrinking since the 1960s after the rivers that fed it were diverted by Soviet Union irrigation projects.

It lies between Kazakhstan in the north and Karakalpakstan, an autonomous region of Uzbekistan, in the south.

Its area is 68,000 square kilometres The landlocked seas are the Aral Sea, Caspian Sea, Dead Sea, Great Salt Lake, Salton Sea and Sea of Galilee. Landlocked seas may are also considered lakes as the definition of a lake is “a large body of fresh water surrounded by land”.

Answer: (a)

Territorial waters, or a territorial sea, as defined by the 1982 United Nations Convention on the Law of the Sea, is a belt of coastal waters extending at most 12 nautical miles (22 km) from the baseline (usually the mean low-water mark) of a coastal state.

The territorial sea is regarded as the sovereign territory of the state, although foreign ships (both military and civilian) are allowed innocent passage through it.

Answer: (b)

Answer: (c)

Spring tides occur when the sun and moon are directly in line with the earth and their gravitational pulls reinforce each other.

Answer: (b)

Sea of Azov is a sea in south-eastern Europe. Arabian Sea is the northwestern part of the Indian Ocean.

Answer: (d)

Coral reef, the Great Barrier Reef extending along with eastern coast of Australia. The Great Barrier Reef is the world’s largest coral reef system composed of over 2,900 individual reefs and 900 islands stretching for over 2,600 kilometres over an area of approximately 344,400 square kilometres.