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BySridhar Insights October 9, 2026October 9, 2026

Law of the Sea, Air & Space Law MCQ Quiz

Law of the Sea, Air & Space Law MCQ Quiz (1–50)

(1). [AIBE 2021] The historical doctrine of Mare Clausum (Closed Sea) was propounded by:

[A]. Hugo Grotius
[B]. John Selden
[C]. Lassa Oppenheim
[D]. Hans Kelsen

(2). Under UNCLOS 1982, the breadth of the Territorial Sea is measured from the baseline up to a limit of:

[A]. 3 nautical miles
[B]. 12 nautical miles
[C]. 24 nautical miles
[D]. 200 nautical miles

(3). [CLAT-PG 2019] In the Territorial Sea, foreign vessels enjoy the customary right of:

[A]. Free fishing
[B]. Laying submarine cables
[C]. Innocent passage
[D]. Unrestricted military exercises

(4). The Contiguous Zone, where a coastal state exercises policing powers for customs, fiscal, and sanitary laws, extends up to:

[A]. 12 NM
[B]. 24 NM
[C]. 50 NM
[D]. 200 NM

(5). [AIBE 2023] The Exclusive Economic Zone (EEZ) grants the coastal State:

[A]. Absolute territorial sovereignty
[B]. Sovereign rights for the purpose of exploring and exploiting natural resources
[C]. The right to tax foreign ships passing through
[D]. The right to prohibit overflight

(6). Which of the following zones lies entirely beyond national jurisdiction and is treated as Res Communis?

[A]. Internal Waters
[B]. Territorial Sea
[C]. The High Seas
[D]. Contiguous Zone

(7). [CLAT-PG 2020] Article 87 of UNCLOS enumerates the Freedoms of the High Seas, which include:

[A]. Freedom of navigation
[B]. Freedom of overflight
[C]. Freedom of scientific research
[D]. All of the above

(8). Which revolutionary concept governs the deep seabed (The Area) and its resources under Part XI of UNCLOS?

[A]. Terra Nullius
[B]. Common Heritage of Mankind (CHM)
[C]. Eminent Domain
[D]. Absolute State Sovereignty

(9). [AIBE 2018] The International Seabed Authority (ISA) is headquartered in:

[A]. New York
[B]. Geneva
[C]. Kingston, Jamaica
[D]. The Hague

(10). A crime that occurs on the High Seas, which triggers Universal Jurisdiction allowing any State to arrest the perpetrators, is:

[A]. Tax evasion
[B]. Piracy (Hostis humani generis)
[C]. Copyright infringement
[D]. Simple assault

(11). [CLAT-PG 2022] The fundamental maxim of Airspace law, Cujus est solum, ejus est usque ad coelum, means:

[A]. The skies are free for all
[B]. Whoever owns the soil, it is theirs up to heaven
[C]. Aircraft cannot be taxed
[D]. Space belongs to the UN

(12). Which convention first firmly established the rule that a State has complete and exclusive sovereignty over the airspace above its territory?

[A]. Paris Convention, 1919
[B]. Warsaw Convention, 1929
[C]. Chicago Convention, 1944
[D]. Outer Space Treaty, 1967

(13). [AIBE 2019] The Warsaw Convention of 1929 primarily dealt with:

[A]. The rules of aerial warfare
[B]. The establishment of ICAO
[C]. The unification of rules relating to international carriage by air and limiting carrier liability
[D]. Space exploration

(14). The modern regulatory framework for international civil aviation is grounded in the:

[A]. Havana Convention
[B]. Paris Convention
[C]. Chicago Convention, 1944
[D]. Vienna Convention

(15). [CLAT-PG 2021] Do foreign civil aircraft enjoy an automatic right of “innocent passage” through the airspace of another sovereign State?

[A]. Yes, identical to the Law of the Sea
[B]. No, entry into sovereign airspace requires prior authorization/treaty agreement
[C]. Only for helicopters
[D]. Only if flying below 10,000 feet

(16). The right of an airline to fly across the territory of a foreign State without landing is known as the:

[A]. First Freedom of the Air
[B]. Second Freedom of the Air
[C]. Third Freedom of the Air
[D]. Fifth Freedom of the Air

(17). [AIBE 2022] The Second Freedom of the Air grants the right to:

[A]. Pick up passengers in a foreign country
[B]. Drop off passengers in a foreign country
[C]. Land for non-traffic/technical purposes (e.g., refueling, repair)
[D]. Conduct domestic flights within a foreign country (Cabotage)

(18). The right of an airline to carry passengers from its home State and drop them off in a foreign State is the:

[A]. First Freedom
[B]. Third Freedom
[C]. Fourth Freedom
[D]. Fifth Freedom

(19). [CLAT-PG 2018] “Cabotage” refers to:

[A]. Flying into outer space
[B]. The transport of goods/passengers between two points within the same foreign country by a foreign airline
[C]. Refueling mid-air
[D]. Crashing an aircraft

(20). Article 7 of the Chicago Convention explicitly allows States to:

[A]. Refuse cabotage rights to foreign airlines
[B]. Shoot down civilian aircraft
[C]. Claim the moon
[D]. Ignore air traffic control

(21). [AIBE 2023] The demarcation line generally accepted as the boundary between Earth’s atmosphere and outer space is the:

[A]. Equator
[B]. Karman Line (approx. 100 km above sea level)
[C]. Stratosphere
[D]. Ozone Layer

(22). The foundational treaty of international space law is the:

[A]. Moon Treaty, 1979
[B]. Outer Space Treaty, 1967
[C]. Chicago Convention, 1944
[D]. UNCLOS, 1982

(23). [CLAT-PG 2019] Under Article II of the Outer Space Treaty, outer space, including the moon and other celestial bodies:

[A]. Belongs exclusively to the USA and Russia
[B]. Can be purchased by corporations
[C]. Is not subject to national appropriation by claim of sovereignty, by means of use or occupation, or by any other means
[D]. Belongs to the UN Security Council

(24). Article IV of the Outer Space Treaty explicitly prohibits States from:

[A]. Sending humans to Mars
[B]. Placing in orbit around the Earth any objects carrying nuclear weapons or any other weapons of mass destruction
[C]. Using solar energy
[D]. Mining asteroids

(25). [AIBE 2020] Under the Agreement on the Rescue and Return of Astronauts (1968), astronauts who land in foreign territory must be:

[A]. Held for ransom
[B]. Regarded as spies
[C]. Safely and promptly returned to the launching authority
[D]. Tried in domestic courts

(26). The Liability Convention (1972) dictates that a launching State bears what type of liability for damage caused by its space object on the surface of the Earth?

[A]. Fault-based liability
[B]. Absolute liability
[C]. No liability
[D]. Joint liability with the UN

(27). [CLAT-PG 2022] If two satellites collide in outer space, the Liability Convention states that liability shall be determined based on:

[A]. Absolute liability
[B]. Fault
[C]. The size of the satellite
[D]. The nationality of the astronauts

(28). Under Article VI of the Outer Space Treaty, who bears international responsibility for national activities in space carried out by non-governmental (private) entities like SpaceX?

[A]. The private corporation alone
[B]. The UN
[C]. The appropriate State Party to the Treaty (the launching state)
[D]. No one

(29). [AIBE 2018] The Convention on Registration of Space Objects (1975) mandates that launching States must:

[A]. Paint their flag on the rocket
[B]. Maintain a national registry and furnish details to the UN Secretary-General
[C]. Pay a launch tax
[D]. Seek ICJ approval before launch

(30). The Moon Treaty (1979) differs from the Outer Space Treaty primarily because it explicitly declares the Moon and its resources to be the:

[A]. Property of the USA
[B]. Common Heritage of Mankind (CHM)
[C]. Property of the ISA
[D]. Terra Nullius

(31). [CLAT-PG 2021] Have major space-faring nations (USA, Russia, China) ratified the Moon Treaty?

[A]. Yes, all of them
[B]. No, very few states have ratified it, largely due to objections over the CHM mining regulations
[C]. Only the USA
[D]. Only China

(32). “UNISPACE” stands for:

[A]. United Nations Space Agency
[B]. United Nations Conferences on the Exploration and Peaceful Uses of Outer Space
[C]. Universal Space Protocol
[D]. Union of Space Enthusiasts

(33). [AIBE 2019] A primary focus of the UNISPACE III conference (1999) and the resulting Vienna Declaration was:

[A]. Planning a war on Mars
[B]. Mitigating space debris and using space technology for sustainable development/health
[C]. Selling lunar real estate
[D]. Banning satellite TV

(34). Unlike outer space, which is Res Communis, Antarctica is currently governed by the Antarctic Treaty (1959) which:

[A]. Divides it among 5 nations
[B]. “Freezes” all territorial claims and dedicates the continent to peace and science
[C]. Sells it to corporations
[D]. Allows nuclear testing

(35). [CLAT-PG 2023] The right of “Transit Passage” through international straits under UNCLOS:

[A]. Can be suspended by the coastal state at will
[B]. Cannot be suspended and applies to both civilian and military vessels/aircraft
[C]. Applies only to submarines
[D]. Requires a toll payment

(36). A coastal State’s Continental Shelf legally extends up to:

[A]. 12 NM always
[B]. The outer edge of the continental margin, or a minimum of 200 NM from the baseline
[C]. The High Seas
[D]. 10 NM

(37). [AIBE 2021] Deep seabed mining in “The Area” (beyond national jurisdiction) requires a contract from the:

[A]. International Maritime Organization (IMO)
[B]. International Seabed Authority (ISA)
[C]. World Bank
[D]. UN Security Council

(38). The Fifth Freedom of the Air is crucial for airlines because it allows them to:

[A]. Fly over the ocean
[B]. Pick up and drop off traffic between two foreign countries on a flight originating from their home state
[C]. Sell duty-free goods
[D]. Ignore air traffic control

(39). [CLAT-PG 2020] Is outer space subject to the sovereignty of the State directly below it?

[A]. Yes, up to infinity
[B]. No, national sovereignty ends where outer space begins
[C]. Yes, but only for the USA
[D]. Yes, if the state has a space agency

(40). A foreign commercial aircraft entering Indian airspace without authorization:

[A]. Commits a violation of Indian sovereignty under the Chicago Convention
[B]. Is exercising innocent passage
[C]. Is exercising freedom of the high seas
[D]. Is protected by the Outer Space Treaty

(41). [AIBE 2017] The “Common Heritage of Mankind” principle fundamentally implies that:

[A]. The area can be conquered
[B]. The area cannot be appropriated, and its exploration/exploitation must benefit mankind as a whole
[C]. The area belongs to the UN Secretary-General
[D]. Only developed nations can use the area

(42). Who is liable if a defunct Soviet satellite crashes into a Canadian town?

[A]. The Canadian government
[B]. The UN
[C]. The launching State (Russia, as the successor to the USSR) under the Liability Convention
[D]. The victims

(43). [CLAT-PG 2019] If an astronaut from a European space mission lands in the Indian Ocean and is rescued by the Indian Navy, India must:

[A]. Arrest the astronaut for illegal entry
[B]. Demand a ransom from Europe
[C]. Safely and promptly return the astronaut to the launching authority
[D]. Force the astronaut to work for ISRO

(44). The concept of “Archipelagic States” (e.g., Indonesia, Philippines) under UNCLOS allows them to:

[A]. Claim the entire ocean
[B]. Draw straight baselines joining the outermost points of their outermost islands, enclosing “archipelagic waters”
[C]. Ban all foreign ships forever
[D]. Tax the High Seas

(45). [AIBE 2022] Which of the following is NOT an established Freedom of the High Seas?

[A]. Freedom of navigation
[B]. Freedom of piracy
[C]. Freedom of overflight
[D]. Freedom to lay submarine cables

(46). Under the Chicago Convention, State aircraft (military, customs, police):

[A]. Have the same rights as civil aircraft
[B]. Are completely exempt from the convention but cannot fly over another State without specific authorization
[C]. Must pay commercial taxes
[D]. Are banned

(47). [CLAT-PG 2021] The International Civil Aviation Organization (ICAO) is headquartered in:

[A]. Montreal, Canada
[B]. Paris, France
[C]. Geneva, Switzerland
[D]. New York, USA

(48). An artificial island constructed in the EEZ:

[A]. Possesses its own Territorial Sea
[B]. Does not possess the status of an island and has no territorial sea of its own (Article 60 UNCLOS)
[C]. Belongs to the UN
[D]. Becomes a sovereign state

(49). [AIBE 2023] The ultimate jurisprudential objective of the Outer Space Treaty is to:

[A]. Trigger a space arms race
[B]. Ensure space remains a peaceful, demilitarized zone dedicated to the exploration and benefit of all mankind
[C]. Establish a US monopoly on the moon
[D]. Privatize satellite orbits

(50). The synergy of Unit IV demonstrates that while a State has absolute sovereignty over its land and airspace, the realms of the High Seas and Outer Space are governed by:

[A]. The law of the jungle
[B]. Treaties prioritizing collective human interest, non-appropriation, and shared domains (Res Communis / CHM)
[C]. Absolute corporate ownership
[D]. The military might of the strongest nation

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