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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

Q2862.Books & AuthorsAsked in: CDS · CDS-I 2023, GKMedium

Who among the following is the author of the book, Bandi Jivan ?

  1. A.Rash Behari Bose
  2. B.Veer Savarkar
  3. C.Aruna Asaf Ali
  4. D.Sachindranath Sanyal
Show answer
Correct answer: D. Sachindranath Sanyal

The revolutionary Sachindranath Sanyal wrote Bandi Jivan, an account of his life as a prisoner. Sanyal was closely linked with Rash Behari Bose in the Banaras conspiracy and was sent to the Cellular Jail in the Andamans.

Q2863.General ScienceAsked in: CDS · CDS-I 2024, GKEasy

An antibacterial enzyme present in saliva and tears is called

  1. A.ribozyme
  2. B.lipase
  3. C.lysozyme
  4. D.isomerase
Show answer
Correct answer: C. lysozyme

Lysozyme kills bacteria by breaking down their cell walls, and it is found in saliva, tears and mucus. Lysozyme attacks peptidoglycan, the main material of the bacterial cell wall, by splitting the bonds between its sugar units; the weakened cell then bursts.

Q2864.General ScienceAsked in: CDS · CDS-II 2024, GKMedium

Which of the following statements for persons suffering from presbyopia is/are correct?

1. They cannot distinguish colours.

2. It usually develops with ageing.

3. They wear either bi-focal lenses consisting of both concave and convex lenses or progressive lenses.

Select the answer using the code given below :

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

Presbyopia is an age-related loss of near focusing, and it is corrected with bifocal or progressive lenses. With age the ciliary muscles weaken and the eye lens loses its flexibility, so the power of accommodation falls and the near point moves away.

Q2865.General ScienceAsked in: CDS · CDS-I 2025, GKMedium

Which one among the following statements is not correct?

  1. A.All bodies in the universe attract each other due to the gravitational force.
  2. B.Newton's law of gravitation follows from Newton's laws of motion.
  3. C.The value of g (acceleration due to gravity) at the centre of the Earth is zero.
  4. D.Mass and weight are measured in different units.
Show answer
Correct answer: B. Newton's law of gravitation follows from Newton's laws of motion.

Newton's law of gravitation is an independent law of nature; it cannot be derived from his three laws of motion.

Q2867.General ScienceAsked in: CDS · CDS-I 2026, GKHard

Which of the following statements relating to the Modern Periodic Table is/are correct ?

1. The atomic radius increases on moving from left to right across a period.

2. Germanium, Tellurium, and Copper are transition metals.

3. The two isotopes of Chlorine occupy the same position in the periodic table.

4. The metallic property of Ca, Ba, Be and Sr follows the order : Be < Ca < Sr < Ba.

Select the answer using the codes given below :

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

Only statements 3 and 4 are true; statements 1 and 2 are false. The modern periodic table arranges elements by atomic number.

Q2868.DefenceMedium

MAHASAGAR, the vision mentioned with this deployment, stands for which of the following?

  1. A.Maritime Harmony and Secure Access for Growth and Regional Advancement
  2. B.Mutual and Holistic Advancement for Security and Growth Across Regions
  3. C.Maritime Alliance for Shared Action, Growth and Regional Resilience
  4. D.Mutual Assistance for Humanitarian Aid, Security and Growth in Regions
Show answer
Correct answer: B. Mutual and Holistic Advancement for Security and Growth Across Regions

The Ministry of Defence used this expansion while describing the purpose behind the training deployment, under which the Indian Navy builds capacity in partner countries and strengthens regional partnerships in the Indian Ocean.

Q2869.DefenceMedium

Which ships formed the First Training Squadron during its Seychelles port call?

  1. A.INS Tir, INS Sujata and ICGS Sarathi
  2. B.INS Shivalik, INS Kamorta and ICGS Samarth
  3. C.INS Tarangini, INS Sudarshini and ICGS Vikram
  4. D.INS Delhi, INS Satpura and ICGS Abhinav
Show answer
Correct answer: A. INS Tir, INS Sujata and ICGS Sarathi

These three were the ships named by the Ministry of Defence as the vessels of the First Training Squadron that stayed at Port Victoria and then sailed out on completion of the visit.

Q2872.Indian PolityAsked in: UPSC CAPF · CAPF 2018, Paper IMedium

Which one of the following Constitutional Amendments has enormously strengthened the powers of the Speaker/Chairman of the Houses of the Parliament/State Legislatures?

  1. A.61st Amendment which reduced the voting age from 21 to 18 years
  2. B.Anti-defection provisions of 52nd Amendment
  3. C.Repealing of many of the provisions of 42nd Amendment by 44th Amendment
  4. D.73rd Amendment that conferred extensive powers on Panchayat Bodies
Show answer
Correct answer: B. Anti-defection provisions of 52nd Amendment

The 1985 amendment made the presiding officer of each House the authority who decides whether a member is disqualified for defection.

Q2874.Indian PolityAsked in: UPSC CAPF · CAPF 2020, Paper IMedium

Which one of the following is NOT a correct feature of a Money Bill ?

  1. A.It can be introduced only in the Lok Sabha
  2. B.A Deputy Speaker can also certify a Money Bill in case of office of Speaker falling vacant
  3. C.A Speaker's authority is final as to whether a bill is Money Bill or not
  4. D.It can be referred to a joint committee of the two Houses
Show answer
Correct answer: D. It can be referred to a joint committee of the two Houses

A Money Bill cannot be sent to a joint committee, because the Rajya Sabha has only a recommendatory role in it.

Q2875.Indian PolityAsked in: UPSC CAPF · CAPF 2021, Paper IMedium

Which one of the following statements with regard to the Preamble to the Constitution of India is not correct?

  1. A.The term 'Secular Democratic Republic' was not there in the Preamble originally.
  2. B.The Preamble contains the basic structure of the Constitution of India.
  3. C.By itself, the Preamble is not enforceable in a court of law.
  4. D.The Supreme Court has held that the Preamble cannot be considered as an aid to the legal interpretation of the Constitution, where the language is ambiguous.
Show answer
Correct answer: D. The Supreme Court has held that the Preamble cannot be considered as an aid to the legal interpretation of the Constitution, where the language is ambiguous.

The Supreme Court has held the opposite: where the language of the Constitution is ambiguous, the Preamble is a valuable aid to interpreting it.

Q2876.GeographyAsked in: UPSC CAPF · CAPF 2023, Paper IMedium

Consider the following statements :

1. Many of the world's largest mountain chains exist beneath the sea.

2. Some mountain chains are revealed as island arcs.

3. The mid-oceanic ridges form the longest mountain chains.

4. The mid-Atlantic ridge rises thirty-three metres above the floor of the Atlantic.

Which of the statements given above are correct ?

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

Statement 4 is wrong: the Mid-Atlantic Ridge rises thousands of metres above the ocean floor, not thirty-three metres. The ocean floor has relief as varied as the land.

Q2877.Indian HistoryAsked in: UPSC CAPF · CAPF 2024, Paper IHard

Consider the following statements about the Rowlatt Act of 1919 :

1. It was passed by the Imperial Legislative Council.

2. Khilafat Committee was formed to oppose the Act.

3. While Gandhiji was arrested, the local leaders were allowed to continue the protest.

How many of the above statements is/are NOT correct ?

  1. A.One
  2. B.Two
  3. C.Three
  4. D.None
Show answer
Correct answer: B. Two

Statement 1 is correct, but statements 2 and 3 are not. The Rowlatt Act of March 1919, based on the Sedition Committee chaired by Justice S. A. T. Rowlatt, was passed by the Imperial Legislative Council even though every elected Indian member opposed it.

Q2879.General ScienceAsked in: UPSC CAPF · CAPF 2019, Paper IMedium

The principle involved in paper chromatography is

  1. A.Absorption
  2. B.Partition
  3. C.Solubility
  4. D.Volatility
Show answer
Correct answer: B. Partition

Paper chromatography separates substances because each one divides, or partitions, itself differently between two liquid phases. In paper chromatography the stationary phase is the water held in the cellulose fibres of the paper, and the mobile phase is the solvent that rises up the paper by capillary action.

Q2880.Indian PolityAsked in: UPSC CAPF · CAPF 2021, Paper IHard

Which one of the following statements about 'personal liberty' is not correct?

  1. A.State does not have the authority to deprive any person within the territory of India of his/her personal liberty without any rational basis.
  2. B.Basis of depriving a person of his/her personal liberty must be in accordance with procedures established by law.
  3. C.Personal liberty can be secured by the judicial writ of Habeas Corpus.
  4. D.The majority view of the Supreme Court in A. K. Gopalan vs. State of Madras case invented 'due process of law'.
Show answer
Correct answer: D. The majority view of the Supreme Court in A. K. Gopalan vs. State of Madras case invented 'due process of law'.

In A. K. Gopalan vs. State of Madras (1950) the majority rejected 'due process of law' and read Article 21 narrowly, so the statement is wrong.