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Defence GK Questions 2026

Static GK carries most of the General Knowledge marks in the defence exams, and science carries the largest share of it. In NDA & NA, Physics, Chemistry and General Science are about half of the 400 marks of Part B, and History, the freedom movement and Geography are about 20% each, as per the notice. In the CDS (II) 2026 General Knowledge paper, GK24 counted about 37 science questions, about 20 each on Polity and History, about 15 on Geography and environment and about 10 on the Economy; this count is guidance, not an official break-up. The Army's Agniveer CEE gives 15 of its 50 General Duty questions to General Knowledge and 15 to General Science, which covers cells, the human body, plants and animals and common epidemics. Its GK list names history, culture and geography of India and its neighbours, the Constitution, inventions and discoveries, books and authors, and the Indian Armed Forces. This page holds GK24's topic-wise GK notes and GK questions tagged for NDA, CDS and Agniveer, in English and Hindi: General Science, Indian History, Art and Culture, Indian Polity, Geography, Indian Economy and Static GK. Read one topic at a sitting, then solve its questions and the previous-year questions of your exam to see what stayed with you.

Defence GK Questions with Answers

Q5345.General ScienceAsked in: CDS · CDS-I 2023, GKMedium

Which one of the following statements regarding bile secreted by liver is not correct?

  1. A.Bile contains enzymes for digestion of lipids.
  2. B.Bile facilitates emulsification of fats.
  3. C.Bile neutralizes the acidic pH of the food coming from stomach.
  4. D.Bile makes the pH of the food alkaline and facilitates action of pancreatic enzymes.
Show answer
Correct answer: A. Bile contains enzymes for digestion of lipids.

Bile has no digestive enzymes at all; it only prepares fats for digestion by other enzymes. Bile is made by the liver, stored and concentrated in the gall bladder, and poured into the duodenum through the bile duct.

Q5348.GeographyAsked in: CDS · CDS-I 2025, GKMedium

Which of the following statements with reference to Surface inversion of temperature is/are correct ? 1. It causes instability in the lower layers of the atmosphere. 2. This inversion commonly lasts for a few hours until the Sun comes up. Select the answer using the code given below :

  1. A.1 only
  2. B.2 only
  3. C.Both 1 and 2
  4. D.Neither 1 nor 2
Show answer
Correct answer: B. 2 only

A surface inversion makes the lower air stable, not unstable, and it usually breaks up a few hours after sunrise.

Q5350.General ScienceAsked in: CDS · CDS-I 2026, GKHard

Which one of the following is not a function of the pigment carotenoid ?

  1. A.Responsible for yellow-orange hues of autumnal leaves
  2. B.Protecting chlorophyll from photo-oxidation
  3. C.Photoprotective role in our eyes
  4. D.Reaction centre in the pigment system
Show answer
Correct answer: D. Reaction centre in the pigment system

The reaction centre of a photosystem is a special chlorophyll a molecule, not a carotenoid. In photosynthesis, pigments are grouped into photosystems.

Q5351.Indian PolityAsked in: CDS · CDS-II 2026, GKMedium

Which of the following statements about National Human Rights Commission, India is/are correct ? 1. It can intervene in court proceedings involving human rights violations with the approval of the court 2. It can undertake research in the field of human rights 3. It cannot investigate human rights violation on its own initiative Select the answer using the code given below :

  1. A.1, 2 and 3
  2. B.1 and 2 only
  3. C.2 and 3 only
  4. D.3 only
Show answer
Correct answer: B. 1 and 2 only

The NHRC can join court cases on human rights with the court's approval and can promote research, but statement 3 is wrong because it can act on its own.

Q5356.Indian HistoryAsked in: CDS · CDS-I 2019, GKMedium

The Damin-i-Koh was created by the British Government to settle which one of the following communities?

  1. A.Santals
  2. B.Mundas
  3. C.Oraons
  4. D.Saoras
Show answer
Correct answer: A. Santals

Damin-i-koh was the tract in the Rajmahal hills that the British marked out in 1832 for settling the Santals. The Santals had moved into the Rajmahal hills area in the late eighteenth and early nineteenth centuries, clearing forests and taking up settled farming.

Q5357.Indian EconomyAsked in: CDS · CDS-II 2019, GKHard

The Public Financial Management System (PFMS) is a web-based online software application designed, developed, owned and implemented by the

  1. A.Department of Financial Services
  2. B.Institute of Government Accounts and Finance
  3. C.Controller General of Accounts
  4. D.National Institute of Financial Management
Show answer
Correct answer: C. Controller General of Accounts

PFMS is run by the office of the Controller General of Accounts (CGA) in the Department of Expenditure, Ministry of Finance.

Q5360.General ScienceAsked in: CDS · CDS-I 2022, GKMedium

Which one of the following statements is not correct ?

  1. A.An electric motor converts electrical energy into mechanical energy.
  2. B.An electric generator works on the principle of electromagnetic induction.
  3. C.The magnetic field at the centre of a long circular coil carrying current will be parallel straight lines.
  4. D.A wire with a green insulation is usually the live wire of an electric supply.
Show answer
Correct answer: D. A wire with a green insulation is usually the live wire of an electric supply.

In household wiring the wire with green insulation is the earth wire, not the live wire, so this statement is not correct.

GK Questions for sub-exams