2007 General Studies, all questions

UPSC Prelims 2007 · General Studies

Question 83: Geography

Which one among the following rivers is the longest?

aAmazon
bAmur
cCongo
dLena

AnswerThe answer is (a).

The Amazon, at roughly 6,400 km, is the longest of the four rivers listed and carries the largest volume of water in the world. The Congo is about 4,700 km, and the Amur and Lena are each under 4,500 km. (The Nile is the only river that competes with the Amazon for the title, and it is not among the options.)

Why each option is right or wrong
  • (a) Correct: the Amazon is the longest of these rivers.
  • (b) The Amur is much shorter, around 4,400 km.
  • (c) The Congo is about 4,700 km.
  • (d) The Lena is about 4,400 km.

Explanation: written by UPSC Grade, not by UPSC.

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Source: UPSC, Civil Services (Preliminary) Examination 2007, General Studies. UPSC's own paper isn't online; the words are from a published compilation. The paper on upsc.gov.in.