UPSC Prelims Practice Questions — INS TRISHUL ARRIVES AT PLYMOUTH, UK FOR EXERCISE KONKAN 2026

Q1. With reference to the rights of foreign warships under the United Nations Convention on the Law of the Sea (UNCLOS), consider the following statements: Which of the statements given above is/are correct?

  1. In the exclusive economic zone of a coastal State, foreign warships enjoy freedom of navigation, subject to having due regard to the rights and duties of the coastal State.
  2. A coastal State may temporarily suspend innocent passage in specified areas of its territorial sea, and it may apply such a suspension selectively to the ships of particular States.
  3. Within its exclusive economic zone, a coastal State exercises the same full sovereignty that it exercises over its territorial sea.
  • A. 1 only
  • B. 2 and 3 only
  • C. 1, 2 and 3
  • D. 1 and 2 only

Q2. With reference to the maritime zones defined under UNCLOS, consider the following statements: Which of the statements given above are correct?

  1. The contiguous zone may extend up to 24 nautical miles measured from the outer limit of the territorial sea.
  2. In the contiguous zone, a coastal State may exercise the control necessary to prevent infringement of its customs, fiscal, immigration or sanitary laws within its territory or territorial sea.
  3. The sovereign rights of a coastal State in its exclusive economic zone extend to producing energy from the water, currents and winds of that zone.
  • A. 1, 2 and 3
  • B. 1 and 2 only
  • C. 2 and 3 only
  • D. 1 and 3 only

Q3. With reference to classes of modern surface warships, consider the following statements: Which of the statements given above are correct?

  1. A corvette is generally larger than a frigate and serves as the principal air-defence escort of a carrier group.
  2. Anti-submarine warfare, traditionally the role of the frigate, has also been added to the role of the destroyer.
  3. A frigate is often distinguished from a destroyer by its lower displacement, lighter armament and lower speed.
  • A. 1 and 3 only
  • B. 2 and 3 only
  • C. 1 and 2 only
  • D. 1, 2 and 3