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Question No. 415Interactive Test Mode
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Q415. The longest border between any two countries in the world is between :

The longest border between any two countries in the world is between :

Select the correct option below (or cross out options to eliminate)

Official Answer Key & Detailed Solution

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Official UPSC Answer KeyUPSC Prelims 2024 • Geography

Correct Answer: Option (A) — Canada and the United States of America

Concept & Option Breakdown

Standard Reference Verified

The international land border between Canada and the United States is the longest in the world, spanning approximately 8,891 kilometres (5,525 miles), which includes both the continental border and the Alaska-Canada border.

Elimination Heuristic & Exam Approach

The US-Canada border is famously known as the longest undefended international land border in the world.

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Question Specifications & Syllabus Mapping

Examination & YearUPSC Civil Services Preliminary Examination 2024 (Q415)
Paper & Marking SchemeGS Paper I • 2 Marks (-0.66 Negative for incorrect response)
Syllabus Subject & TopicGeography → World Geography
Official Answer KeyOption (A) — (a) Canada and the United States of America

Frequently Asked Questions — UPSC Prelims 2024 Q415

What is the official answer for UPSC Prelims 2024 GS Paper I Question 415 (Geography)?

The official UPSC answer key for this 2024 Geography (World Geography) question is Option (A): "(a) Canada and the United States of America". Correct attempts carry 2 Marks with -0.66 Negative penalty for wrong answers.

Which UPSC Prelims syllabus topic does this 2024 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?

The USCanada border is famously known as the longest undefended international land border in the world.

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