world physical geography section 3 Practice Questions Answers Test with Solutions & More Shortcuts

Answer: (b)

The largest coral reef is the Great Barrier Reef, located just off the north-eastern coast of Australia. The 1200 mile (1900 km) long reef is protected as a Marine Park.

Answer: (a)

The Arctic Ocean has the widest continental shelf of all the oceans; it extends 1,210 km seaward from Siberia.

From the shelf rise numerous islands, including the Arctic Archipelago, Novaya Zemlya, the New Siberian Islands, and Wrangle Island. Continental shelves are an extension of coastal plains and are characterized by broadly sloping submerged plains.

Answer: (b)

Answer: (b)

The Gulf Stream, together with its northern extension towards Europe, the North Atlantic Drift, is a powerful, warm, and swift Atlantic ocean current that originates at the tip of Florida, and follows the eastern coastlines of the United States and Newfoundland before crossing the Atlantic Ocean.

It influences the climate of the east coast of North America from Florida to Newfoundland and the west coast of Europe.

Answer: (a)

Mount Gamkonora is a strato-volcano on Halmahera island, Indonesia. With an elevation of 1,560 metres, it is the highest peak on the island. It has produced an elongated series of craters along the north-south rift.

The largest eruption in 1673 was accompanied by a tsunami that inundated the nearby villages. The volcano erupted again on July 10, 2007, with over 8,000 people reported to have fled their homes in the vicinity.