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CDS GK Questions 2026

Static GK carries most of the 100 marks of the CDS General Knowledge paper. Of the 120 questions in the CDS (II) 2026 paper, about 20 were on Indian Polity, about 20 on the History of India, about 15 on Geography and the environment, about 10 on the Indian Economy and about 37 on Physics, Chemistry and Biology, which makes CDS the most science-heavy General Knowledge paper among the major recruitment exams. Polity questions test writs, the NHRC, electoral systems, disqualification of legislators, GST and delimitation. History runs from the Upanishads and the Shunga dynasty to Vijayanagara, temple architecture, the Sylhet referendum and the SNDP Yogam. Geography asks about the atmosphere, earthquakes and tsunamis, Ramsar sites, mangroves and World Heritage sites. Science stays at school level but expects reasoning: a lens problem, a magnetic field direction, molarity versus molality, what cooking soda is, how enzymes act. This page holds GK24's topic-wise GK notes for CDS, written as short facts and tables so that a topic can be revised in one sitting. Read a topic, then solve its previous-year questions and quiz on this site to check what stayed with you.

CDS GK Questions with Answers

Q1721.General ScienceAsked in: CDS · CDS-I 2018, GKEasy

Which one of the following is not a characteristic of a compound?

  1. A.Composition is variable.
  2. B.All particles of compound are of only one type.
  3. C.Particles of compound have two or more elements.
  4. D.Its constituents cannot be separated by simple physical methods.
Show answer
Correct answer: A. Composition is variable.

A compound always has a fixed composition by mass, so a variable composition is a property of mixtures, not compounds.

Q1722.Books & AuthorsAsked in: CDS · CDS-I 2019, GKHard

Which European ruler had observed, "Bear in mind that the commerce of India is the commerce of the world ... he who can exclusively command it is the dictator of Europe"?

  1. A.Queen Victoria
  2. B.Peter the Great of Russia
  3. C.Napoleon Bonaparte
  4. D.Gustav II Adolf
Show answer
Correct answer: B. Peter the Great of Russia

The remark that the commerce of India is the commerce of the world, and that whoever commands it exclusively is the dictator of Europe, is attributed to Peter the Great, Tsar of Russia from 1682 to 1725.

Q1724.Indian PolityAsked in: CDS · CDS-II 2020, GKMedium

Which one of the following statements in relation to Panchayats is not correct?

  1. A.Legislature of a State may, by law, make provisions with respect to the composition of Panchayats.
  2. B.Panchayat area means the territorial area of a Panchayat.
  3. C.Gram Sabha includes all persons in the electoral rolls of village within a Panchayat.
  4. D.Reservation of seats for SCs and STs has nothing to do with proportion of their population.
Show answer
Correct answer: D. Reservation of seats for SCs and STs has nothing to do with proportion of their population.

Under Article 243D, seats for Scheduled Castes and Scheduled Tribes in every Panchayat are reserved in proportion to their share of the population of that Panchayat area, so the statement that reservation has nothing to do with population is wrong.

Q1726.GeographyAsked in: CDS · CDS-II 2021, GKEasy

Which of the following statements is/are correct with respect to Time Zone in India ? 1. There is one standard time for the whole country. 2. Andaman and Nicobar Islands and Lakshadweep Islands have different Time Zones. 3. Indian Standard Time (IST) is five and half hours behind GMT. Select the correct answer using the code given below:

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

India follows a single standard time, Indian Standard Time, for the whole country, and it is ahead of GMT, not behind it.

Q1727.GeographyAsked in: CDS · CDS-I 2022, GKMedium

Which one of the following is not a resultant of the El Nino effect ?

  1. A.Distortion of equatorial atmospheric circulation
  2. B.Flow of the South-East Trade Winds towards the Indian Ocean
  3. C.Irregularities in the evaporation of sea water
  4. D.Reduction in the amount of planktons which reduces the number of fish in the sea
Show answer
Correct answer: B. Flow of the South-East Trade Winds towards the Indian Ocean

During El Nino the trade winds of the Pacific weaken or even reverse, so a steady flow of these winds is not one of its results.

Q1731.Indian HistoryAsked in: CDS · CDS-I 2026, GKMedium

Consider the following statements about the Gupta administrative system : 1. The Gupta kings assumed imperial titles such as Maharajadhiraja, Parama-bhattaraka and Parameshvara. 2. The Gupta kings also connected themselves with the Gods through epithets such as Parama-daivata and Parama-bhagavata. 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

Gupta inscriptions show the kings using grand imperial titles and also religious epithets that linked them with the gods.

Q1732.General ScienceAsked in: CDS · CDS-II 2026, GKHard

A positively charged particle (alpha-particle) is projected towards west in a horizontal plane. It is deflected towards north in the same plane by a magnetic field. Which one among the following is the direction of the magnetic field?

  1. A.Towards south
  2. B.Towards east
  3. C.Vertically downwards
  4. D.Vertically upwards
Show answer
Correct answer: D. Vertically upwards

The magnetic force on a moving charge is F = q(v × B), and only an upward field turns a westward-moving positive charge towards the north.

Q1734.General ScienceAsked in: NDA · NDA-II 2018, GATEasy

Which one of the following statements about the law of conservation of mass is correct?

  1. A.A given compound always contains exactly same proportion of elements.
  2. B.When gases combine in a reaction, they do so in a simple ratio by volume, provided all gases are at room temperature.
  3. C.Matter can neither be created nor destroyed.
  4. D.Equal volumes of all gases at same temperature and pressure contain equal number of molecules.
Show answer
Correct answer: C. Matter can neither be created nor destroyed.

The law of conservation of mass, stated by Antoine Lavoisier in 1789, says that in a chemical reaction mass is neither created nor destroyed.

Q1737.Static GKAsked in: NDA · NDA-I 2020, GATEasy

The United Nations Charter was signed by 51 original members of the United Nations in 1945 at the

  1. A.Hague Conference
  2. B.London Conference
  3. C.San Francisco Conference
  4. D.Berlin Conference
Show answer
Correct answer: C. San Francisco Conference

The Charter of the United Nations was drawn up at the United Nations Conference on International Organization held in San Francisco, USA, from April to June 1945, and was signed there on 26 June 1945.

Q1738.General ScienceAsked in: NDA · NDA-I 2021, GATMedium

Mirage is an illustration of

  1. A.only dispersion of light.
  2. B.only reflection of light.
  3. C.only total internal reflection of light.
  4. D.both refraction and total internal reflection of light.
Show answer
Correct answer: D. both refraction and total internal reflection of light.

On a hot day the air just above a road or desert sand is much hotter, and so optically rarer, than the air higher up.

Q1739.General ScienceAsked in: NDA · NDA-II 2021, GATEasy

Which one of the following pairs of elements is liquid at room temperature and at normal pressure ?

  1. A.Gallium and Bromine
  2. B.Mercury and Bromine
  3. C.Gallium and Mercury
  4. D.Gallium and Caesium
Show answer
Correct answer: B. Mercury and Bromine

At room temperature and normal pressure only two elements are liquids: mercury, a metal, and bromine, a non-metal. Mercury melts at about −39 °C and is used in thermometers and barometers because it stays liquid over a wide range and does not wet glass.