Test: South America - Physical - UPSC MCQ

The text mentions that the Amazon River basin is the largest watershed in the world, covering an area of almost 7 million square kilometers.

The Orinoco River basin is primarily made up of a grassland region known as the Llanos, as mentioned in the text.

The Brazilian Highlands are described as being made up of low mountains and plateaus in the text.

The Andes mountain range is mentioned as South America's primary mountain system and the world's longest mountain range.

The text states that the coastal plains of northeastern Brazil and the western coast of Peru and Chile are extremely dry, forming part of the Atacama Desert.

The Paraguay/Paraná River basin supplies water to the Pampas, which is described as the most important grazing and cropland areas in South America.

The text mentions that South America's extreme geographic variation contributes to the continent having a large number of biomes.

The Atacama Desert, located in the western coastal plain of South America, is considered the driest region in the world.

The text mentions that the Amazon River basin has a high number of plant and animal species, contributing to South America's rich biodiversity.

The text states that Aconcagua is the highest peak in the Andes and the tallest mountain outside Asia. It straddles the Argentina-Chile border.