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GS Paper IUPSC Prelims 2020
World Geography
Question No. 422Interactive Test Mode
00:00
+2-0.66

Q422. Consider the following pairs: | | River | Flows into | |---|---|---| | 1. | Mekong | Andaman Sea | | 2. | Thames | Irish Sea | | 3. | Volga | Caspian Sea | | 4. | Zambezi | Indian Ocean | Which of the pairs given above is/are correctly matched?

Consider the following pairs:

RiverFlows into
1.MekongAndaman Sea
2.ThamesIrish Sea
3.VolgaCaspian Sea
4.ZambeziIndian Ocean

Which of the pairs given above is/are correctly matched?

Select the correct option below (or cross out options to eliminate)
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Official Answer Key & Detailed Solution

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Official UPSC Answer KeyUPSC Prelims 2020 • Geography

Correct Answer: Option (C) — 3 and 4 only

Concept & Option Breakdown

Standard Reference Verified

• Pair 1 is incorrectly matched: The Mekong River drains into the South China Sea through the Mekong Delta in Vietnam. • Pair 2 is incorrectly matched: The River Thames flows eastward through London into the North Sea via the Thames Estuary. • Pair 3 is correctly matched: The Volga River drains into the landlocked Caspian Sea. • Pair 4 is correctly matched: The Zambezi River flows eastward across southern Africa into the Indian Ocean in Mozambique.

Elimination Heuristic & Exam Approach

Thames clearly flows east into the North Sea, not the west-facing Irish Sea. Mekong empties into the South China Sea. Eliminating 1 and 2 leaves (c) 3 and 4 only.

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Question Specifications & Syllabus Mapping

Examination & YearUPSC Civil Services Preliminary Examination 2020 (Q422)
Paper & Marking SchemeGS Paper I • 2 Marks (-0.66 Negative for incorrect response)
Syllabus Subject & TopicGeography → World Geography
Official Answer KeyOption (C) — (c) 3 and 4 only

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Frequently Asked Questions — UPSC Prelims 2020 Q422

What is the official answer for UPSC Prelims 2020 GS Paper I Question 422 (Geography)?

The official UPSC answer key for this 2020 Geography (World Geography) question is Option (C): "(c) 3 and 4 only". Correct attempts carry 2 Marks with -0.66 Negative penalty for wrong answers.

Which UPSC Prelims syllabus topic does this 2020 question belong to?

This question belongs to GS Paper I under the subject "Geography" and micro-topic "World Geography". You can explore all repeated questions from World Geography in Acme AI's 3D Prelims PYQ Realm or practice 50 full-length and sectional tests in the APT Prelims Test Series.

How can I solve this World Geography UPSC Prelims question using option elimination?

Thames clearly flows east into the North Sea, not the westfacing Irish Sea. Mekong empties into the South China Sea. Eliminating 1 and 2 leaves (c) 3 and 4 only.

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