The Great Artesian Basin, the largest artesian basin in the world, lies in which continent?
- A.South America
- B.Africa
- C.Australia
- D.North America
Correct answer
Explanation
The correct answer is C, Australia. The Great Artesian Basin lies below the dry interior of eastern Australia, mainly under Queensland and parts of New South Wales, South Australia and the Northern Territory, and it is the largest artesian basin in the world; water enters the porous rock where it is exposed near the Great Dividing Range, is held between impervious layers and rises on its own when a bore is sunk, which is what makes sheep and cattle rearing possible where rainfall is scanty. Option A, South America, has the Amazon and Parana basins, which are surface drainage basins and not artesian. Option B, Africa, has large aquifers under the Sahara, but not this basin. Option D, North America, has the Great Plains aquifer, a big groundwater store that is pumped rather than artesian. The key words are bore water and the dry interior of Australia.
Read the full article: Americas and Australia Geography: Facts and PYQs
Practice Questions
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- A.Mount Logan
- B.Denali
- C.Pico de Orizaba
- D.Mount Whitney
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- A.Chile
- B.Peru
- C.Argentina
- D.Bolivia
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- A.Brazil
- B.Venezuela
- C.Guyana
- D.Colombia
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Read the full explanation →Lake Titicaca, the highest navigable lake in the world, lies on the border of which two countries?
- A.Peru and Bolivia
- B.Chile and Argentina
- C.Brazil and Paraguay
- D.Ecuador and Colombia
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- A.Peru
- B.Chile
- C.Mexico
- D.Australia
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