Skip to content
GK24
Prime

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

Q2582.Indian HistoryAsked in: NDA · NDA-II 2025, GATEasy

Who among the following Sikh Gurus laid the foundation of the Khalsa Panth ?

  1. A.Guru Nanak
  2. B.Guru Arjan
  3. C.Guru Hargobind
  4. D.Guru Gobind Singh
Show answer
Correct answer: D. Guru Gobind Singh

Guru Gobind Singh, the tenth Sikh Guru, founded the Khalsa at Anandpur Sahib on Baisakhi day in 1699. At that gathering he initiated the first five Sikhs, the Panj Pyare, with amrit, a baptism of sweetened water stirred with a double-edged sword.

Q2584.General ScienceAsked in: NDA · NDA-II 2026, GATEasy

Ionic compounds have high melting and boiling points. This is due to :

  1. A.the presence of strong electrostatic forces between ions in the crystal lattice.
  2. B.the weak intermolecular van der Waals forces.
  3. C.the presence of a 'sea of delocalized electrons'.
  4. D.lower lattice energy.
Show answer
Correct answer: A. the presence of strong electrostatic forces between ions in the crystal lattice.

. Oppositely charged ions in an ionic crystal pull on each other strongly from every side, so a great deal of heat is needed to break the lattice apart.

Q2585.Indian EconomyAsked in: UPSC CAPF · CAPF 2018, Paper IMedium

The Reserve Bank of India defines narrow money as

  1. A.CU (currency notes + coins) + DD (net demand deposits held by commercial banks)
  2. B.CU + DD + saving deposits with post office savings banks
  3. C.CU + DD + net time deposits of commercial banks
  4. D.CU + DD + net time deposits of commercial banks + total deposits of post offices
Show answer
Correct answer: A. CU (currency notes + coins) + DD (net demand deposits held by commercial banks)

Narrow money, M1, is currency held by the public plus net demand deposits with commercial banks, the most liquid forms of money.

Q2586.Science & TechnologyAsked in: UPSC CAPF · CAPF 2019, Paper IEasy

Which one of the following is the name given by Indian Railways to the indigenously manufactured Train 18?

  1. A.Humsafar Express
  2. B.Vande Bharat Express
  3. C.Ananya Express
  4. D.Gatimaan Express
Show answer
Correct answer: B. Vande Bharat Express

Train 18, India's first indigenous semi-high-speed train set, was named Vande Bharat Express in January 2019. Train 18 was designed and built by the Integral Coach Factory in Chennai and got its name because it was planned for 2018.

Q2587.General ScienceAsked in: UPSC CAPF · CAPF 2025, Paper IEasy

The potential difference between the terminals of an electrical heating device is 40 V, when it draws a current of 2 A from the source. Which one of the following is the correct value of current drawn by the heating device if the potential is increased to 140 V?

  1. A.7 A
  2. B.5 A
  3. C.4 A
  4. D.2 A
Show answer
Correct answer: A. 7 A

By Ohm's law the heater's resistance is 40 V divided by 2 A, which is 20 ohms, so at 140 V it draws 140 divided by 20, or 7 A. Ohm's law states that, at constant temperature, the current through a conductor is directly proportional to the potential difference across…

Q2588.General ScienceAsked in: UPSC CAPF · CAPF 2026, Paper IMedium

Consider the following statements in the light of octane number and cetane number of fuels: 1. Cetane number is used for gasoline and octane number is used for diesel. 2. Octane number of n-hexadecane is 100 and cetane number of isooctane is 100. Which of the statements given above is/are correct?

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

Both statements swap the two scales: octane number rates petrol, cetane number rates diesel, and their reference fuels are the other way round.

Q2589.Indian EconomyAsked in: UPSC CAPF · CAPF 2018, Paper IHard

In National Income (NI) accounts, Personal Income (PI) is defined as

  1. A.NI - undistributed profits - net interest payments made by households - corporate tax + transfer payments to the households from the government and firms
  2. B.NI - undistributed profits - corporate tax + transfer payments to the households from the government and firms
  3. C.undistributed profits - net interest payments made by households + transfer payments to the households from the government and firms
  4. D.undistributed profits - net interest payments made by households - corporate tax
Show answer
Correct answer: A. NI - undistributed profits - net interest payments made by households - corporate tax + transfer payments to the households from the government and firms

Personal Income is the part of National Income that actually reaches households, plus the transfers they receive. National Income counts all factor incomes earned in the economy, but not all of it is paid out to people.

Q2590.Indian HistoryAsked in: UPSC CAPF · CAPF 2019, Paper IHard

Consider the following statements pertaining to the Satavahanas : 1. Satavahana rulers were identified through metronymics 2. Satavahana succession to the throne was generally patrilineal Which of the statements given above is/are correct ?

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

Satavahana kings carried names taken from their mothers, yet the throne usually passed from father to son. A metronymic is a name derived from the mother.

Q2591.Indian PolityAsked in: UPSC CAPF · CAPF 2020, Paper IEasy

Who was the President of the Constituent Assembly ?

  1. A.B. R. Ambedkar
  2. B.Rajendra Prasad
  3. C.Alladi Krishnaswami Aiyar
  4. D.Sarvepalli Radhakrishnan
Show answer
Correct answer: B. Rajendra Prasad

Dr Rajendra Prasad was elected the permanent President of the Constituent Assembly on 11 December 1946 and presided over it until the Constitution was adopted.

Q2592.General ScienceAsked in: UPSC CAPF · CAPF 2025, Paper IMedium

Which one among the following statements related to human eye is correct?

  1. A.For a person suffering from short-sight defect, the image of a distant object is focused behind the retina.
  2. B.Short-sight defect can be corrected by a converging spectacle lens.
  3. C.For a person suffering from long-sight defect, the image of a near object is focused behind the retina.
  4. D.Long-sight defect can be corrected by a diverging spectacle lens.
Show answer
Correct answer: C. For a person suffering from long-sight defect, the image of a near object is focused behind the retina.

In long-sightedness (hypermetropia) the eye cannot see nearby objects clearly because their image is formed behind the retina.

Q2594.GeographyAsked in: UPSC CAPF · CAPF 2017, Paper IEasy

Consider the following statements : 1. Areas where rainfall exceeds 250 cm 2. Annual temperature 25°C - 27°C 3. Average humidity exceeds 75% 4. Trees do not shed the leaves To which one of the following types of vegetation does the above represent ?

  1. A.Tropical wet evergreen
  2. B.Tropical semi evergreen
  3. C.Tropical moist deciduous
  4. D.Tropical dry evergreen
Show answer
Correct answer: A. Tropical wet evergreen

Very heavy rainfall, high and steady temperature, humidity above 75 per cent and trees that stay green all year are the marks of tropical wet evergreen forests.

Q2595.Indian HistoryAsked in: UPSC CAPF · CAPF 2018, Paper IHard

Which one of the following is not a characteristic feature of the Indian Independence Act, 1947?

  1. A.The Dominion of India got the residuary territory of India, excluding the provinces of Sind, Baluchistan, West Punjab, East Bengal and NWFP.
  2. B.The Act sought to lay down a Constitution by the Legislative will of the British Parliament.
  3. C.The Act proposed to set up two independent Dominions.
  4. D.The Constituent Assembly of each Dominion was to have unlimited power to frame and adopt any Constitution.
Show answer
Correct answer: B. The Act sought to lay down a Constitution by the Legislative will of the British Parliament.

The Indian Independence Act did not lay down any Constitution for India; it left the making of the Constitution entirely to the Constituent Assemblies of the new Dominions.

Q2596.Indian HistoryAsked in: UPSC CAPF · CAPF 2019, Paper IMedium

Which among the following statements about Mahatma Gandhi's Satyagraha is/are correct? 1. It was during the course of his campaign against racialism in South Africa that Gandhiji first applied Satyagraha 2. The two vital ingredients of Satyagraha are 'truth' and 'non-violence' 3. The Satyagrahi resists evil by inflicting suffering on himself and not by inflicting suffering on the opponent 4. In India, Satyagraha was first tried by Gandhiji in Champaran Select the correct answer using the code given below :

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

All four statements correctly describe Gandhi's method of Satyagraha. Gandhi first used Satyagraha in South Africa, beginning in 1906 in the Transvaal against the law forcing Indians to register and carry passes.

Q2597.Indian PolityAsked in: UPSC CAPF · CAPF 2020, Paper IMedium

Which of the following statements with regard to the Speaker, Lok Sabha is/are correct ? 1. The election of the Speaker of Lok Sabha is conducted by the Election Commission of India 2. The Speaker on assuming his office is not required to make and subscribe oath or affirmation 3. The Speaker does not exercise a casting vote in case of equality of votes Select the correct answer using the code given below :

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

The Speaker takes no separate oath for the office, while statements 1 and 3 are false.

Q2599.General ScienceAsked in: UPSC CAPF · CAPF 2025, Paper IEasy

When sunlight (white light) falls on a triangular glass prism, a band of colours called a spectrum is obtained. Which one among the following represents this effect appropriately?

  1. A.Reflection
  2. B.Diffraction
  3. C.Refraction
  4. D.Dispersion
Show answer
Correct answer: D. Dispersion

The splitting of white light into its seven component colours by a prism is called dispersion. White light is a mixture of colours, and glass bends each colour by a different amount because its refractive index depends on wavelength.

Q2600.General ScienceAsked in: UPSC CAPF · CAPF 2026, Paper IHard

Which one of the following statements is correct?

  1. A.The number of electrons in alpha particle is 2.
  2. B.The coordination number of EDTA is 6.
  3. C.The charge of beta (β) particle is +2.
  4. D.Both carbon and silicon form ionic compounds.
Show answer
Correct answer: B. The coordination number of EDTA is 6.

EDTA is a hexadentate ligand: one EDTA ion binds a metal ion through six donor atoms, so it forms complexes with coordination number 6.

GK Questions for sub-exams