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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

Q4501.General ScienceAsked in: CDS · CDS-I 2026, GKMedium

Which one among the following statements related to electric cells is correct?

  1. A.A primary cell is rechargeable.
  2. B.A secondary cell can be used only once.
  3. C.The emf of a battery is the power provided by the battery per unit current.
  4. D.The unit of emf is Joule.
Show answer
Correct answer: C. The emf of a battery is the power provided by the battery per unit current.

The emf of a battery equals the power it supplies divided by the current it drives, because power P = EI.

Q4502.Static GKAsked in: CDS · CDS-II 2026, GKMedium

Which one of the following groups of countries consists of the members of Mekong-Ganga Cooperation (MGC)?

  1. A.India, Cambodia, Lao PDR, Myanmar, Thailand and Vietnam
  2. B.India, Bangladesh, Lao PDR, Myanmar, Thailand and Vietnam
  3. C.India, Bangladesh and Myanmar
  4. D.India, Bangladesh, Myanmar and Sri Lanka
Show answer
Correct answer: A. India, Cambodia, Lao PDR, Myanmar, Thailand and Vietnam

Mekong-Ganga Cooperation brings together India and the five Mekong basin countries: Cambodia, Lao PDR, Myanmar, Thailand and Vietnam. The grouping was launched at Vientiane in Laos in 2000.

Q4504.General ScienceAsked in: CDS · CDS-I 2017, GKEasy

Bleeding of gums, falling of teeth, fragile bones and delayed wound healing occur due to the deficiency of which one of the following vitamins?

  1. A.Vitamin C
  2. B.Vitamin K
  3. C.Vitamin D
  4. D.Vitamin B
Show answer
Correct answer: A. Vitamin C

These are the signs of scurvy, the disease caused by a lack of vitamin C (ascorbic acid). Vitamin C is needed to make collagen, the protein that holds together gums, skin, blood vessels and bone.

Q4506.General ScienceAsked in: CDS · CDS-I 2018, GKMedium

Consider the following statements:

1. There is no net moment on a body which is in equilibrium.

2. The momentum of a body is always conserved.

3. The kinetic energy of an object is always conserved.

Which of the statements given above is/are correct?

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

A body in equilibrium has no net force and no net moment on it, while neither momentum nor kinetic energy is conserved in every situation.

Q4509.Indian HistoryAsked in: CDS · CDS-II 2020, GKHard

Who among the following gave evidence before the Joint Select Committee on the Government of India Bill, 1919 in favour of female franchise?

1. Mrs. Annie Besant

2. Mrs. Sarojini Naidu

3. Mrs. Hirabai Tata

Select the correct answer using the code given below.

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

Annie Besant, Sarojini Naidu and Hirabai Tata all went before the Joint Select Committee in London in 1919 to argue for votes for Indian women.

Q4510.Indian EconomyAsked in: CDS · CDS-I 2021, GKMedium

Which one of the following statements about the DDU-GKY is not correct?

  1. A.It is a skill training programme.
  2. B.It is for rural youth from poor families.
  3. C.Its objective is placement in wage employment.
  4. D.It relies entirely on skill training by Government agencies.
Show answer
Correct answer: D. It relies entirely on skill training by Government agencies.

Deen Dayal Upadhyaya Grameen Kaushalya Yojana does not rely only on government agencies; most of its training is run by private and non-government partners.

Q4512.General ScienceAsked in: CDS · CDS-I 2022, GKEasy

Which one of the following statements is correct about the cell membrane?

  1. A.It is made up of cellulose.
  2. B.It is a permeable structure for all substances.
  3. C.It is flexible and enables the cell to engulf many materials.
  4. D.It does not allow diffusion of gases like oxygen and carbon dioxide.
Show answer
Correct answer: C. It is flexible and enables the cell to engulf many materials.

The cell membrane is flexible, and this lets a cell fold it around food and other material and take it in.

Q4513.General ScienceAsked in: CDS · CDS-II 2022, GKMedium

Which one of the following statements about the process of photosynthesis is correct?

  1. A.Light energy is directly converted to kinetic energy which oxidizes carbon dioxide.
  2. B.Light energy is directly converted to chemical energy which causes reduction of water.
  3. C.Chlorophyll absorbs the chemical energy of light which causes oxidation of carbon dioxide.
  4. D.Chlorophyll absorbs light energy which causes splitting of water molecules and reduction of carbon dioxide.
Show answer
Correct answer: D. Chlorophyll absorbs light energy which causes splitting of water molecules and reduction of carbon dioxide.

Chlorophyll absorbs light energy, which is used to split water and then to reduce carbon dioxide to sugar. In the light reactions, energy trapped by chlorophyll splits water molecules (photolysis), releasing oxygen, hydrogen ions and electrons and producing ATP and NADPH.

Q4514.Indian HistoryAsked in: CDS · CDS-II 2023, GKMedium

Where is the Vikramkhol Cave located?

  1. A.Odisha
  2. B.Bihar
  3. C.Telangana
  4. D.West Bengal
Show answer
Correct answer: A. Odisha

Vikramkhol is a rock shelter near Belpahar in the Jharsuguda district of western Odisha. The shelter is known for a long panel of engraved and painted signs on its rock wall.

Q4515.General ScienceAsked in: CDS · CDS-II 2024, GKEasy

The surface of the concrete structure of a new construction is covered with straw/gunny bags by wetting. This is done to:

  1. A.prevent fast evaporation, until hydration has proceeded well
  2. B.protect the concrete structure from contamination by dust particles
  3. C.prevent development of any fungus on the surface
  4. D.give smoother and cleaner surface over cement structure
Show answer
Correct answer: A. prevent fast evaporation, until hydration has proceeded well

Wet straw or gunny bags keep the fresh concrete moist, so water does not evaporate before the cement has hydrated properly.

Q4517.General ScienceAsked in: CDS · CDS-I 2026, GKMedium

Which one among the following statements regarding the electrical resistivity of a conducting wire is correct?

  1. A.The resistivity of the conductor increases if the length of the wire is increased.
  2. B.The resistivity of the conductor decreases if the length of the wire is increased.
  3. C.The resistivity of the conductor remains the same if the length of the wire is changed.
  4. D.The resistivity of the conductor increases if the cross-sectional area of the wire is increased.
Show answer
Correct answer: C. The resistivity of the conductor remains the same if the length of the wire is changed.

Resistivity is a property of the material itself, so it stays the same when the length of the wire is changed.

Q4518.Indian PolityAsked in: CDS · CDS-II 2026, GKHard

Which of the following statements with respect to the Ordinance promulgated under Article 213 of the Constitution of India is/are correct?

1. It shall be laid before the Legislative Assembly of the State, or where there is a Legislative Council in the State, before both the Houses

2. It shall cease to operate at the expiration of two months from the reassembly of the Legislature

3. It may be withdrawn at any time by the Governor

Select the answer using the code given below:

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

Article 213 requires a Governor's ordinance to be laid before the state legislature and lets the Governor withdraw it at any time, but its life after reassembly is six weeks, not two months.

Q4519.General ScienceAsked in: UPSC Civil Services · CSE Prelims 2024, GS Paper IMedium

Consider the following statements :

Statement-I : Giant stars live much longer than dwarf stars.

Statement-II : Compared to dwarf stars, giant stars have a greater rate of nuclear reactions.

Which one of the following is correct in respect of the above statements?

  1. A.Both Statement-I and Statement-II are correct and Statement-II explains Statement-I
  2. B.Both Statement-I and Statement-II are correct, but Statement-II does not explain Statement-I
  3. C.Statement-I is correct, but Statement-II is incorrect
  4. D.Statement-I is incorrect, but Statement-II is correct
Show answer
Correct answer: D. Statement-I is incorrect, but Statement-II is correct

Massive giant stars burn their fuel so fast that they live much shorter lives than dwarf stars, so Statement I is false and Statement II is true.

GK Questions for sub-exams