International Boundaries MCQs — World Famous Lines & Parallels
50+ solved International Boundaries MCQs — Durand, Radcliffe, McMahon, 38th & 49th Parallel, Maginot, Hot Line & every world famous line for PPSC, FPSC, NTS, CSS & PMS.
Durand Line = Pakistan – Afghanistan (1893).
Durand Line demarcated in 1893.
Durand Line total length: 2,252 km.
Sir Mortimer Durand demarcated the Durand Line.
Durand Line signed with Amir Abdur Rahman Khan.
Radcliffe Line = India – Pakistan (1947 Partition).
Radcliffe Line drawn in 1947 (Partition).
Sir Cyril Radcliffe drew the Radcliffe Line.
Radcliffe Line divided Punjab & Bengal.
McMahon Line = India – China (Simla, 1914).
McMahon Line drawn at the 1914 Simla Convention.
Sir Henry McMahon drew the McMahon Line.
Line of Control (LoC) = India – Pakistan in Kashmir.
24th Parallel = Pakistan – India (Rann of Kutch).
24th Parallel settled the Rann of Kutch dispute (1968).
38th Parallel = North Korea – South Korea.
38th Parallel set in 1945 (after WWII).
The Korean War (1950-53) was fought across the 38th Parallel.
49th Parallel = USA – Canada.
49th Parallel (USA-Canada) — among the longest undefended borders.
49th = USA-Canada; 24th = Pakistan-India.
17th Parallel = former N. Vietnam – S. Vietnam (1954-75).
17th Parallel set at the 1954 Geneva Accords.
Maginot Line = French fortification (1934).
Maginot Line built in 1934.
Maginot Line ran from Switzerland to Belgium.
Hindenburg Line = Germany – Poland (demarcated 1977).
Gustav Line = WWII German defence in Italy.
Curzon Line = Polish – Russian frontier (1945).
Curzon Line first proposed in 1919.
Mannheim Line = Germany – Poland.
Hot Line initially USA – USSR.
Hot Line established in 1963 (after Cuban Missile Crisis).
Hot Line set up to avoid accidental nuclear war.
North & South Korea cut their Hot Line in March 2013.
International Date Line passes through the Pacific Ocean.
International Date Line: ~180° longitude.
Date Line separates two consecutive calendar dates.
Plimsoll Line is a safety load line on ships.
Green Line = ceasefire/buffer zones (Cyprus, Lebanon, etc.).
English Channel separates Britain and France.
India-Pakistan boundary lines: LoC + Working Boundary + 24th Parallel.
‘Control Line’ = Line of Control.
Durand Line (1893) is the oldest of these famous lines.
English Channel divides Britain and France.
Maginot Line = named after French Minister of War André Maginot.
Pakistan-Afghanistan border = ~2,252 km long.
1914 Simla Convention → McMahon Line.
Hot Line followed the 1962 Cuban Missile Crisis.
Durand Line is NOT a parallel (it’s a named land boundary).
The Durand Line is the boundary between which two countries?
The Durand Line is the boundary between Pakistan and Afghanistan, demarcated in 1893.
In which year was the Durand Line demarcated?
The Durand Line was demarcated on 12 November 1893 by Sir Mortimer Durand and Amir Abdur Rahman Khan.
What is the total length of the Durand Line (Pakistan-Afghanistan frontier)?
The total length of the Durand Line / Pakistan-Afghanistan frontier is approximately 2,252 km.
Who demarcated the Durand Line between British India and Afghanistan?
Sir Mortimer Durand (then Foreign Secretary of British India) demarcated the line in 1893 — hence its name.
With which Afghan ruler was the Durand Line agreement signed in 1893?
Sir Mortimer Durand signed the agreement with Amir Abdur Rahman Khan of Afghanistan in 1893.
The Radcliffe Line is the boundary between which two countries?
The Radcliffe Line demarcates the boundary between India and Pakistan at the time of Partition in 1947.
In which year was the Radcliffe Line drawn?
The Radcliffe Line was drawn at the time of Partition in August 1947.
Who drew the Radcliffe Line dividing India and Pakistan?
Sir Cyril Radcliffe, a British lawyer, chaired the Boundary Commission and drew the line in just over a month.
Which two provinces of British India did the Radcliffe Line divide?
The Radcliffe Line divided the provinces of Punjab and Bengal between India and Pakistan.
The McMahon Line is the boundary between which two countries?
The McMahon Line is the boundary between India and China, drawn at the 1914 Simla Convention.
At which historic convention was the McMahon Line drawn?
The McMahon Line was drawn at the 1914 Simla Convention by Sir Henry McMahon, then British India's Foreign Secretary.
Who drew the McMahon Line?
Sir Henry McMahon, then Foreign Secretary of British India, drew the line at the 1914 Simla Convention.
The Line of Control (LoC) is the working boundary between India and Pakistan in which region?
The Line of Control (LoC) is the working boundary between India and Pakistan in the disputed Kashmir region.
The 24th Parallel is a boundary line situated between which two countries?
The 24th Parallel is a boundary line between Pakistan and India, settled after the Rann of Kutch dispute (1968).
In which dispute was the 24th Parallel established as a boundary between Pakistan and India?
In the 1965 Rann of Kutch dispute, Pakistan declared the 24th Parallel as the frontier with India — settled in 1968.
The 38th Parallel is the boundary line between which two countries?
The 38th Parallel is the boundary between North Korea and South Korea, set after WWII in 1945.
In which year was the 38th Parallel set as the boundary between the two Koreas?
The 38th Parallel was set after WWII in 1945 — initially as a temporary Soviet-American division of Korea.
Which conflict in the early 1950s was fought across the 38th Parallel?
The Korean War (1950-1953) was fought across the 38th Parallel between North Korea (backed by China/USSR) and South Korea (backed by UN/US).
The 49th Parallel is the boundary line between which two countries?
The 49th Parallel (49° N) is the boundary between the USA and Canada — among the world's longest undefended international borders.
Which boundary line is sometimes called the longest undefended international border?
The 49th Parallel (USA-Canada) is among the longest undefended international borders in the world.
The 24th and 49th Parallels are often confused in MCQs. Which is between the USA and Canada?
The 49th Parallel is USA-Canada; the 24th Parallel is Pakistan-India. Don't confuse them.
The 17th Parallel was the former boundary between which two countries?
The 17th Parallel was the former boundary between North and South Vietnam (1954-1975), set at the Geneva Accords.
The 17th Parallel as a Vietnam boundary was set at which 1954 agreement?
The 1954 Geneva Accords ended the First Indochina War and divided Vietnam at the 17th Parallel.
The Maginot Line was a fortification built by which country?
The Maginot Line was a French line of fortification built in 1934 along the German border, from Switzerland to Belgium.
In which year was the Maginot Line built?
The Maginot Line was constructed in 1934, before WWII, to deter a German invasion of France.
The Maginot Line stretched along the German border between which two countries?
The Maginot Line stretched from Switzerland to Belgium along the French-German border. It was named after French Minister of War André Maginot.
The Hindenburg Line was a German line of fortification separating Germany from which country?
The Hindenburg Line was a German line of fortification separating Germany from Poland (demarcated 1977).
The Gustav Line was a World War II German defensive line in which country?
The Gustav Line was a major German defensive line in WWII stretching across central Italy.
Which line was set up in 1945 as the Polish-Russian frontier?
The Curzon Line — first proposed in 1919 — became the formal Polish-Russian frontier in 1945.
The Curzon Line was first proposed in which year?
The Curzon Line was originally proposed in 1919 by British Foreign Secretary Lord Curzon. It became the official Polish-Soviet frontier in 1945.
The Mannheim Line is a German line of fortification separating Germany from which country?
The Mannheim Line was a German fortification line separating Germany from Poland.
The Hot Line was initially established between which two countries?
The Hot Line was a direct teletype communication line initially established between the USA (Pentagon) and the USSR (Kremlin).
In which year was the Hot Line first established between the USA and the USSR?
The Hot Line was established in August 1963 following the 1962 Cuban Missile Crisis, to avoid accidental nuclear war.
The Hot Line was set up to avoid:
The Hot Line was set up to enable instant communication during emergencies and avoid accidental nuclear war.
Which two countries cut off the Hot Line in March 2013?
North Korea cut the Hot Line with South Korea in March 2013 amid rising military tensions.
The International Date Line passes through which ocean?
The International Date Line runs through the Pacific Ocean at roughly 180° longitude.
At approximately which longitude does the International Date Line run?
The International Date Line runs at approximately 180° longitude (with deviations to avoid splitting countries).
The International Date Line separates:
Crossing the International Date Line involves adding or subtracting a calendar day — it separates two consecutive calendar dates.
The Plimsoll Line is a safety mark used on:
The Plimsoll Line is a safety load line marked on ships, indicating the maximum safe loading depth.
The Green Line is associated with ceasefire/buffer zones in conflict areas such as:
Green Lines have been used as ceasefire/buffer-zone boundaries in Cyprus, Lebanon and other conflict areas.
The English Channel is the natural boundary between which two countries?
The English Channel (La Manche) is the natural sea boundary dividing Britain and France.
Which of the following are recognised boundary lines between India and Pakistan?
India and Pakistan share the Line of Control (in Kashmir), the Working Boundary and the 24th Parallel (Rann of Kutch).
Which line is also known as the 'Control Line' between India and Pakistan?
The Line of Control (LoC) is also called the 'Control Line' — the working boundary in Kashmir.
Which boundary was drawn first?
The Durand Line (1893) was drawn first — before the McMahon Line (1914), Radcliffe Line (1947) and 38th Parallel (1945).
Which of the following lines separates Britain and France?
The English Channel separates Britain and France — a natural sea boundary, not a man-made line.
Which line was named after the British Minister for War (1934)?
The Maginot Line is named after André Maginot, French Minister of War, who championed its construction in the 1930s.
The Pakistan-Afghanistan boundary (Durand Line) is approximately how many kilometres long?
The Pakistan-Afghanistan boundary (Durand Line) is about 2,252 km long.
Which boundary is associated with the 1914 Simla Convention?
The McMahon Line was drawn at the 1914 Simla Convention. India accepts it; China has historically disputed it.
Which boundary is associated with the 1962 Cuban Missile Crisis?
The Hot Line was set up after the 1962 Cuban Missile Crisis to avoid accidental nuclear war between the USA and USSR.
Which of the following is NOT a parallel line used as a boundary?
Durand Line is NOT a parallel — it is a named demarcated land boundary. The 38th, 24th and 49th are all parallels of latitude.
International Boundaries — Complete Reference
World famous boundary lines, fortification lines and parallels are a perennial topic in PPSC, FPSC, NTS, CSS, PMS, OTS, SPSC general-knowledge papers. This page covers 50+ MCQs on every line a candidate needs to know — from the Durand Line (Pakistan-Afghanistan, 1893) and Radcliffe Line (India-Pakistan, 1947) through the 38th & 49th Parallels, the WWII Maginot, Hindenburg & Gustav Lines, the Cold-War Hot Line (1963) and the International Date Line. For more geography practice, also try our Mountains & Plateaus MCQs and the full General Knowledge MCQs Hub.
World Famous Boundary Lines — Quick Reference
| Line | Between | Year / Key Fact |
|---|---|---|
| Durand Line | Pakistan & Afghanistan | 1893; Sir Mortimer Durand; 2,252 km |
| Radcliffe Line | India & Pakistan | 1947 (Partition); Sir Cyril Radcliffe |
| McMahon Line | India & China | 1914 Simla Convention |
| Line of Control (LoC) | India & Pakistan (Kashmir) | Working boundary in Kashmir (also ‘Control Line’) |
| 24th Parallel | Pakistan & India | Rann of Kutch dispute (1968) |
| 38th Parallel | North & South Korea | Since 1945 after WWII |
| 49th Parallel | USA & Canada | One of world’s longest undefended borders |
| 17th Parallel | North & South Vietnam | Former boundary (1954–1975) |
| Maginot Line | France (vs Germany) | 1934; Switzerland to Belgium |
| Hindenburg Line | Germany & Poland | German fortification; demarcated 1977 |
| Gustav Line | WWII Italy | German defensive line in central Italy |
| Curzon Line | Poland & Russia | 1919 proposal; formal frontier 1945 |
| Mannheim Line | Germany & Poland | German fortification line |
| Hot Line | USA & USSR/Russia | Established Aug 1963 after Cuban Missile Crisis |
| International Date Line | Pacific Ocean (~180°) | Separates two consecutive calendar dates |
| Plimsoll Line | Ships | Safety load line marked on cargo ships |
| Green Line | Cyprus, Lebanon, others | Ceasefire / buffer zones in conflict areas |
| English Channel | Britain & France | Natural sea boundary (La Manche) |
Key Facts to Remember
- Durand Line (1893) — Pakistan-Afghanistan, by Sir Mortimer Durand; total length 2,252 km.
- Radcliffe Line (1947) — India-Pakistan at Partition, by Sir Cyril Radcliffe.
- McMahon Line (1914) — India-China boundary, Simla Convention.
- 24th Parallel — Pakistan-India boundary settled after Rann of Kutch dispute (1968).
- 49th Parallel — USA-Canada (do not confuse with the 24th).
- 38th Parallel — North Korea vs South Korea.
- 17th Parallel — Former boundary between North and South Vietnam (1954-1975).
- Hot Line (1963) — USA-USSR after the 1962 Cuban Missile Crisis. Cut by N. Korea with S. Korea in March 2013.
- International Date Line — Pacific Ocean at ~180° longitude.
- Plimsoll Line — Safety load mark on ships.
For authoritative reading, see Wikipedia’s Durand Line and Radcliffe Line articles.
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