Question

Which is the biggest river of South America?
A. Amazon
B. Peru
C. Orinoco
D. Parana- Paraguay

Answer 1

Hint: The biggest river of South America is also the largest river by discharge of volume of water in the world and it is the disputed longest river in the world.

Complete answer: The biggest river of South America is the Amazon river which is also the largest river by discharge of volume of water in the world. The Amazon river discharges 20% of the global riverine into the ocean and the Amazon basin is the largest drainage basin in the world.It is believed that the origin of Amazon river is through the Mantaro river drainage. It travels through Ecuador, Colombia, Venezuela, Bolivia and Brazil before entering the Atlantic Ocean.

Looking at the options given:
Option A. The Amazon river is the biggest river in South America with a length of 6400km. This is the correct answer.
Option B. Peru or Puru river is a tributary of the Amazon river. It’s length is 2960 km. It is an incorrect option.
Option C. Orinoco river’s length is 2250 km. It is an incorrect option.
Option D. Parana- Paraguay river’s length is 2695 km.It is an incorrect option.

So, the correct answer is option A.

Note: The biggest river in the world is Nile river with the length 6650 followed by Amazon and Yangtze river. Though Nile is the biggest but in discharge of volume of water Amazon is the largest river in the world.