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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

Q1761.GeographyAsked in: NDA · NDA-I 2025, GATMedium

Consider the following statements with regard to a steel plant : I. It was setup in 1964 with Russian collaboration II. It receives iron ore from the Rourkela region III. Water and Hydel power is supplied by the Damodar Valley Corporation Identify the Steel Plant on the basis of the above facts :

  1. A.Bhilai Steel Plant
  2. B.Bokaro Steel Plant
  3. C.Rourkela Steel Plant
  4. D.Durgapur Steel Plant
Show answer
Correct answer: B. Bokaro Steel Plant

Bokaro in Jharkhand was set up in 1964 with Soviet (Russian) help, takes its iron ore from the Rourkela region and draws water and hydel power from the Damodar Valley Corporation.

Q1762.General ScienceAsked in: NDA · NDA-II 2025, GATEasy

Which one of the following statements is NOT correct ?

  1. A.The interconversion of states of matter is a physical change
  2. B.During burning of a candle, both chemical and physical changes take place
  3. C.During a physical change, the chemical composition of molecules changes
  4. D.Rusting of iron is a chemical change
Show answer
Correct answer: C. During a physical change, the chemical composition of molecules changes

That is false: in a physical change the molecules stay the same, and only their arrangement, state or shape alters.

Q1763.GeographyAsked in: NDA · NDA-I 2026, GATMedium

Consider the following statements : I. Earthquake waves are basically of two types, namely body waves and surface waves. II. The body waves interact with the surface rocks and generate surface waves. Which of the statements given above is/are correct?

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

Earthquake waves are of two basic types, body waves and surface waves, and surface waves are produced when body waves reach the surface and interact with the surface rocks.

Q1767.General ScienceAsked in: NDA · NDA-I 2019, GATEasy

Light year is a unit of measurement of

  1. A.very large distances
  2. B.time interval in years
  3. C.amount of light received on earth in a year
  4. D.mass of atoms
Show answer
Correct answer: A. very large distances

A light year is the distance that light travels through a vacuum in one year, so despite the word year it measures length, not time.

Q1771.General ScienceAsked in: NDA · NDA-I 2023, GATMedium

When yeast cells are O2 starved, fermentation serves as the source of energy. This results in the production of :

  1. A.ATP + CO2 + Ethanol
  2. B.ATP + O2 + Pyruvate
  3. C.ATP + CO2 + Lactic acid
  4. D.ATP + O2 + Acetaldehyde
Show answer
Correct answer: A. ATP + CO2 + Ethanol

Without oxygen, yeast carries out alcoholic fermentation, breaking glucose into ethanol and carbon dioxide and gaining a little ATP. Glucose is first split into two molecules of pyruvate by glycolysis, which yields a net gain of two ATP.

Q1773.General ScienceAsked in: NDA · NDA-I 2024, GATMedium

Which among the following is the correct composition of Borax ?

  1. A.Sodium, Boron, Magnesium and Hydrogen
  2. B.Sodium, Boron, Oxygen and Hydrogen
  3. C.Potassium, Boron, Oxygen and Hydrogen
  4. D.Sodium, Boron, Nitrogen and Hydrogen
Show answer
Correct answer: B. Sodium, Boron, Oxygen and Hydrogen

Borax is sodium tetraborate decahydrate, Na2B4O7·10H2O, so it contains only sodium, boron, oxygen and hydrogen. Its chemical name is sodium tetraborate, and the ten molecules of water of crystallisation supply the hydrogen and part of the oxygen.

Q1776.GeographyAsked in: NDA · NDA-I 2026, GATHard

Consider the following statements about Kamarajar Port : I. It is an example of corporatized public company. II. It was earlier known as Ennore Port. III. It is a natural port. Which of the statements given above are correct?

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

Kamarajar Port is a corporatised major port that was earlier called Ennore Port, but it is an artificial harbour, not a natural one.

Q1780.DefenceEasy

Which Indian Navy ship took part in Exercise INDRA 2026 with the Russian Federation Navy?

  1. A.INS Shivalik
  2. B.INS Sahyadri
  3. C.INS Talwar
  4. D.INS Tabar
Show answer
Correct answer: B. INS Sahyadri

The Ministry of Defence said that Indian Naval Ship Sahyadri departed Vladivostok in the Russian Federation on 20 October 2026 after the bilateral naval exercise INDRA 2026 between the Indian Navy and the Russian Federation Navy was completed, so Sahyadri is the Indian warship tied to this edition of the…