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NDA GK Questions 2026

Static general knowledge makes up about 90% of Part B of the NDA General Ability Test, about 360 of its 400 marks. The NDA & NA (II) 2026 notice divides it into five sections: Physics (about 25%), Chemistry (about 15%), General Science (about 10%), History, Freedom Movement etc. (about 20%) and Geography (about 20%). Half of Part B is science. Physics covers matter, motion, gravitation, heat, sound, light, magnetism, electricity and the working of everyday devices such as the siphon, pressure cooker, periscope and safety fuse. Chemistry covers changes of matter, elements and compounds, common gases, acids, bases and salts, carbon, fertilizers and the materials used to make soap, glass, cement and gunpowder. General Science covers cells, the human body, diseases, diet, the solar system and eminent scientists. Section D spans Indian history and culture, the freedom movement, the Constitution, Five Year Plans, Panchayati Raj and world history from the Renaissance to the Russian Revolution. Geography covers the Earth, rocks, oceans, the atmosphere and climate, and India's resources, industries, ports and trade. This page holds GK24's topic-wise GK notes for NDA, in English and Hindi, written as short facts and tables. Read a topic, then solve its quiz and previous-year questions on this site.

NDA GK Questions with Answers

Q501.Static GKAsked in: CDS · CDS-I 2017, GKMedium

India became a member of which one of the following in 2016?

  1. A.Non-Proliferation Treaty
  2. B.Missile Technology Control Regime
  3. C.Nuclear Suppliers Group
  4. D.Wassenaar Arrangement
Show answer
Correct answer: B. Missile Technology Control Regime

India joined the MTCR as its 35th member on 27 June 2016. The MTCR was set up in 1987 by the G7 countries as an informal group that limits the spread of missiles and unmanned aerial vehicles able to carry weapons of mass destruction.

Q505.General ScienceAsked in: CDS · CDS-I 2021, GKEasy

Calcium oxide reacts vigorously with water to produce slaked lime whose solution is used for white-washing walls. This slaked lime reacts with component (A) in air to form a thin layer of component (B) to give a shiny finish. What are the components (A) and (B)?

  1. A.A-O₂; B-CaCO₃
  2. B.A-CO₂; B-Ca(OH)₂
  3. C.A-O₂; B-Ca(OH)₂
  4. D.A-CO₂; B-CaCO₃
Show answer
Correct answer: D. A-CO₂; B-CaCO₃

Slaked lime on the wall slowly absorbs carbon dioxide from the air and turns into a thin, shiny layer of calcium carbonate.

Q506.Science & TechnologyAsked in: CDS · CDS-II 2022, GKMedium

Chronologically arrange the following Indian-origin astronauts on the basis of their flying into space starting with the first: 1. Sunita Williams 2. Rakesh Sharma 3. Sirisha Bandla 4. Kalpana Chawla Select the correct answer using the code given below:

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

Rakesh Sharma flew in 1984, Kalpana Chawla in 1997, Sunita Williams in 2006 and Sirisha Bandla in 2021. Squadron Leader Rakesh Sharma became the first Indian citizen in space on 3 April 1984, aboard the Soviet Soyuz T-11, and told Indira Gandhi that India looked 'saare jahan se achha'.

Q509.Indian PolityAsked in: CDS · CDS-I 2024, GKMedium

Through the Forty Second Amendment to the Constitution of India, which of the following was/were inserted into its Preamble? 1. 'Liberty of thought, expression and belief' was substituted by 'Liberty of thought, expression, belief, faith and worship'. 2. The expression 'Unity of the Nation' was substituted by 'Unity and Integrity of the Nation'. Select the correct 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

The 42nd Amendment of 1976 changed 'unity of the Nation' to 'unity and integrity of the Nation', but it did not touch the words on liberty.

Q512.General ScienceAsked in: NDA · NDA-I 2025, GATHard

A current through a horizontal power line flows in east to west direction. What will be the direction of magnetic field at a point directly below it when viewed from east end ?

  1. A.Clockwise in a plane perpendicular to the wire
  2. B.Anti-clockwise in a plane perpendicular to the wire
  3. C.Clockwise in a plane of parallel to the wire
  4. D.Anti-clockwise in a plane of parallel to the wire
Show answer
Correct answer: A. Clockwise in a plane perpendicular to the wire

Seen from the east end, the current flows away from the observer, and by the right-hand thumb rule the field lines around it are clockwise circles in a plane perpendicular to the wire.

Q514.Static GKAsked in: NDA · NDA-I 2017, GATEasy

The Headquarters of Eastern Railway Zone of Indian Railway is located at

  1. A.Bhubaneswar
  2. B.Kolkata
  3. C.Hajipur
  4. D.Guwahati
Show answer
Correct answer: B. Kolkata

The Eastern Railway zone of Indian Railways has its headquarters at Fairlie Place in Kolkata. Eastern Railway was formed in 1952 out of the East Indian Railway, one of the oldest railway companies in India, whose first train in the east ran from Howrah to Hooghly in 1854.

Q516.Indian PolityAsked in: NDA · NDA-I 2018, GATEasy

The Superintendence, direction and control of elections in India is vested in

  1. A.The Supreme Court of India
  2. B.The Parliament of India
  3. C.The Election Commission of India
  4. D.The Chief Election Commissioner
Show answer
Correct answer: C. The Election Commission of India

Article 324(1) vests the superintendence, direction and control of elections in the Election Commission, as a body. Under Article 324 the Commission conducts elections to Parliament, the State legislatures and the offices of President and Vice-President.

Q517.Indian PolityAsked in: NDA · NDA-II 2018, GATEasy

Article 352 of the Constitution of India contains provisions related to

  1. A.financial emergency
  2. B.failure of constitutional machinery in States
  3. C.suspension of the enforcement of rights conferred in Part III of the Constitution
  4. D.general emergency
Show answer
Correct answer: D. general emergency

Article 352 lets the President proclaim a national (general) emergency when the security of India or any part of it is threatened by war, external aggression or armed rebellion.

Q520.General ScienceAsked in: NDA · NDA-I 2020, GATEasy

Which one of the following statements regarding Bleaching powder and D.D.T. is correct ?

  1. A.Both are inorganic compounds
  2. B.Both are organic compounds
  3. C.Both contain chlorine
  4. D.Both contain calcium
Show answer
Correct answer: C. Both contain chlorine

Bleaching powder is calcium oxychloride, CaOCl₂, and DDT is dichlorodiphenyltrichloroethane; chlorine is the one element common to both. Bleaching powder is made by passing chlorine gas over dry slaked lime.