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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

Q1361.Indian HistoryAsked in: NDA · NDA-II 2023, GATHard

Which of the following statements about the technological innovations during the Industrial Revolutions are correct ? 1. Mule was the nickname for a machine invented in 1779, that allowed the spinning of strong and fine yarn. 2. Water Frame, invented in 1769 by Richard Arkwright, made it possible to weave pure cotton clothes. 3. Power loom, invented by Edmund Cartwright in 1787, could be used to weave any kind of materials. Select the correct answer using the code given below :

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

All three statements correctly describe the spinning and weaving machines that drove the British cotton industry in the late eighteenth century.

Q1362.Environment & EcologyAsked in: NDA · NDA-I 2024, GATMedium

Identify the land biome on the basis of the given characteristics : 1. Their climates are characterised by high rainfall and temperatures that vary from cold to mild. 2. These forests contain primarily deciduous trees - including maple, oak, hickory and beechwood. 3. Raccoons, opossums, bats and squirrels are found in the trees. Select the correct land biome from the options given below :

  1. A.Tropical forest
  2. B.Temperate forest
  3. C.Boreal forest
  4. D.Mediterranean forest
Show answer
Correct answer: B. Temperate forest

Mild to cold seasons, good rainfall, broad-leaved deciduous trees like maple and oak, and animals like raccoons and squirrels mark the temperate deciduous forest.

Q1363.General ScienceAsked in: NDA · NDA-I 2025, GATEasy

Initial discovery of antibiotic penicillin was done by

  1. A.Francis Crick
  2. B.Maurice Wilkins
  3. C.Charles Darwin
  4. D.Alexander Fleming
Show answer
Correct answer: D. Alexander Fleming

The Scottish scientist discovered penicillin in 1928 at St Mary's Hospital in London. Fleming noticed that a mould, Penicillium notatum, had accidentally grown on a culture plate of Staphylococcus bacteria and had killed the bacteria around it.

Q1364.GeographyAsked in: NDA · NDA-II 2025, GATHard

Which of the following statements with reference to shadow zones in an event of an earthquake is/are correct ? 1. Zone between 105° and 145° from epicentre was identified as the shadow zone for both P-waves and S-waves 2. The shadow zone of P-waves is much larger than that of the S-waves 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: A. 1 only

The band between 105° and 145° from the epicentre receives neither P-waves nor S-waves, but it is the S-wave shadow zone that is much larger, so statement 2 is wrong.

Q1365.Environment & EcologyAsked in: NDA · NDA-I 2026, GATHard

Consider the following critical minerals : I. Neodymium II. Tellurium III. Dysprosium IV. Gallium Which of the above minerals are not used for the production of photovoltaic cells used in solar panels?

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

Neodymium and dysprosium are rare earth elements used mainly in strong permanent magnets, not in solar cells, while tellurium and gallium are used in photovoltaic cells.

Q1366.General ScienceAsked in: NDA · NDA-I 2017, GATMedium

Which one of the following statements is NOT correct ?

  1. A.In the conduction mode of transference of heat, the molecules of solid pass heat from one molecule to another without moving from their positions
  2. B.The amount of heat required to raise the temperature of a substance is called its specific heat capacity
  3. C.The process of heat transfer in liquids and gases is through convection mode
  4. D.The process of heat transfer from a body at higher temperature to a body at lower temperature without heating the space between them is known as radiation
Show answer
Correct answer: B. The amount of heat required to raise the temperature of a substance is called its specific heat capacity

Specific heat capacity is the heat needed to raise the temperature of a unit mass of a substance by one degree, not simply the heat needed to raise its temperature.

Q1367.GeographyAsked in: NDA · NDA-I 2018, GATEasy

Which of the following statements about Ring of Fire is/are correct ? 1. It is a zone of convergence plate boundaries 2. It is an active seismic and volcanic zone 3. It is associated with deep trench Select the correct answer using the code given below :

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

The Ring of Fire around the Pacific is a belt of convergent plate boundaries, full of active volcanoes and earthquakes and lined by deep ocean trenches.

Q1371.General ScienceAsked in: NDA · NDA-II 2021, GATEasy

Buoyancy is a/an

  1. A.upward pressure
  2. B.downward pressure
  3. C.downward force
  4. D.upward force
Show answer
Correct answer: D. upward force

Buoyancy, or upthrust, is the upward force a fluid exerts on any object immersed in it. A fluid presses on an object from all sides, but the pressure grows with depth, so the push on the lower surface is greater than the push on the upper surface.

Q1373.Indian HistoryAsked in: NDA · NDA-I 2023, GATHard

Which one of the following statements about Rabatak inscription is not correct ?

  1. A.It throws important light on Kushana genealogy.
  2. B.It refers to Kanishka as 'a king of kings and a son of God'.
  3. C.The 23-line inscription is written in Gandhari language.
  4. D.It mentions names of States which were part of Kanishka's empire.
Show answer
Correct answer: C. The 23-line inscription is written in Gandhari language.

The Rabatak inscription is written in the Bactrian language using the Greek script, not in Gandhari. The inscription was found in 1993 at Rabatak in northern Afghanistan.

Q1374.Indian HistoryAsked in: NDA · NDA-II 2023, GATHard

Consider the following statements : 1. Terracotta models of the plough have been found at sites in Cholistan and at Banawali (Haryana). 2. There is evidence of a ploughed field at Kalibangan associated with the mature phase of the Harappan civilization. 3. The ploughed field at Kalibangan had two sets of furrows crossing at right angles to each other suggesting two different crops were grown together in it. Which of the statements given above are correct?

  1. A.1, 2 and 3
  2. B.2 and 3 only
  3. C.1 and 3 only
  4. D.None of the above
Show answer
Correct answer: C. 1 and 3 only

The ploughed field at Kalibangan belongs to the Early Harappan levels, not the mature phase, so statement 2 is wrong.

Q1375.GeographyAsked in: NDA · NDA-I 2024, GATMedium

Which of the following statements regarding tropical cyclones is/are correct ? 1. These storms develop during the summer and autumn in every tropical ocean except the South Atlantic and eastern South Pacific Oceans. 2. Tropical cyclones that occur in the North Atlantic and eastern North Pacific Oceans are known as typhoons. 3. Tropical cyclones that occur in the Indian and South Pacific Oceans are called cyclones. Select the answer using the code given below :

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

Tropical cyclones of the North Atlantic and eastern North Pacific are called hurricanes, not typhoons, so statement 2 is wrong.

Q1378.GeographyAsked in: NDA · NDA-II 2025, GATEasy

Which of the following statements is/are correct ? 1. Oceanic trenches are very significant in the study of plate movements 2. Oceanic trenches are associated with active volcanoes and strong earthquakes 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: C. Both 1 and 2

Oceanic trenches mark the places where one plate sinks beneath another, so they are key evidence for plate movement and are lined by volcanoes and earthquakes.

Q1379.GeographyAsked in: NDA · NDA-I 2026, GATEasy

Consider the following statements regarding hypocentre : I. It is the point where the energy is released and is called the focus of an earthquake. II. It is the point where the earthquake starts and may be many kilometers deep within the Earth. 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

The hypocentre, also called the focus, is the point inside the Earth where the rupture begins and the stored energy is released.

Q1380.GeographyAsked in: NDA · NDA-II 2026, GATMedium

Consider the following statements with regard to igneous rocks : I. These rocks cannot be changed into metamorphic rocks. II. When molten material is cooled slowly at great depths, mineral grains tend to be very small. III. These rocks are known as primary rocks. Which of the statements given above is/are correct ?

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

Igneous rocks are called primary rocks, but they can be changed into metamorphic rocks, and slow cooling gives large grains, not small ones.