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RAS question

The deepest lake in the world is:

Correct answer: (B) Lake Baikal, Russia (1,642 m).

Lake Baikal in Siberia, Russia is the deepest lake in the world.

  1. (A)

    Lake Superior

  2. (B)

    Lake Baikal, Russia (1,642 m)

  3. (C)

    Lake Victoria

  4. (D)

    Lake Titicaca

Explanation

Lake Baikal is the answer because the verified UNESCO World Heritage Centre page describes it as the world’s oldest and deepest lake. The MCQ’s standard depth figure is 1,642 m, while UNESCO gives the rounded figure of 1,700 m; both point to the same fact that Baikal is deeper than the other listed lakes. UNESCO also supports the associated memory hooks in the explanation: Baikal is in south-east Siberia, is about 25 million years old, contains about 20% of the world’s unfrozen freshwater reserve, and is a World Heritage property. For a RAS aspirant, the safest way to remember it is: Baikal equals Russia, oldest lake, deepest lake, and major freshwater reserve.

Why the other options are wrong

  • (A) Lake Superior is wrong because the verified source identifies Lake Baikal, not Lake Superior, as the world’s deepest lake.
  • (C) Lake Victoria is wrong because the question asks for the deepest lake, and UNESCO specifically gives that distinction to Lake Baikal.
  • (D) Lake Titicaca is wrong because the cited World Heritage source confirms Lake Baikal as the deepest lake in the world.

Concept

This tests the World Geography concept of major world lakes and physical-geography superlatives. It recurs in RAS because such questions combine a location cue with a high-yield factual distinction.

Source

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