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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

Q1061.General ScienceAsked in: CDS · CDS-II 2016, GKEasy

In total internal reflection, the light travels from

  1. A.rarer to denser medium and it occurs with no loss of intensity
  2. B.denser to rarer medium and it occurs with no loss of intensity
  3. C.rarer to denser medium and it occurs with loss of intensity
  4. D.denser to rarer medium and it occurs with loss of intensity
Show answer
Correct answer: B. denser to rarer medium and it occurs with no loss of intensity

Total internal reflection happens only when light inside a denser medium meets the boundary with a rarer one at an angle larger than the critical angle, and all of the light is reflected back.

Q1063.GeographyAsked in: CDS · CDS-II 2018, GKMedium

South Arcot and Ramanathapuram receive over 50 percent of their annual rainfall from which one of the following?

  1. A.South-west monsoon
  2. B.North-east monsoon
  3. C.Bay of Bengal branch of summer monsoon
  4. D.Western disturbances
Show answer
Correct answer: B. North-east monsoon

South Arcot and Ramanathapuram lie on the Tamil Nadu coast, which gets most of its yearly rain from the retreating, or north-east, monsoon in October to December.

Q1064.Indian EconomyAsked in: CDS · CDS-I 2019, GKHard

Which one of the following hypotheses postulates that individual's consumption in any time period depends upon resources available to the individual, rate of return on his capital and age of the individual?

  1. A.Absolute Income Hypothesis
  2. B.Relative Income Hypothesis
  3. C.Life Cycle Hypothesis
  4. D.Permanent Income Hypothesis
Show answer
Correct answer: C. Life Cycle Hypothesis

Proposed by Franco Modigliani with Richard Brumberg and Albert Ando, it holds that a person plans consumption over a whole lifetime, using available resources, the return on wealth and age.

Q1065.General ScienceAsked in: CDS · CDS-II 2019, GKEasy

In graphite, each carbon atom is bonded to three other carbon atoms

  1. A.forming a three-dimensional structure
  2. B.in the same plane giving a hexagonal array
  3. C.in the same plane giving a square array
  4. D.in the same plane giving a pentagonal array
Show answer
Correct answer: B. in the same plane giving a hexagonal array

In graphite each carbon atom is joined to three others in a flat layer of hexagonal rings, like a honeycomb.

Q1066.Awards & HonoursAsked in: CDS · CDS-I 2020, GKMedium

The Global Goalkeeper Award is given by

  1. A.the Bill and Melinda Gates Foundation
  2. B.the United Nations Environment Programme
  3. C.the Kellogg School of Management
  4. D.the World Meteorological Organization
Show answer
Correct answer: A. the Bill and Melinda Gates Foundation

The Global Goalkeeper Award is one of the Goalkeepers awards the foundation gives to leaders who advance the United Nations Sustainable Development Goals.

Q1067.Indian PolityAsked in: CDS · CDS-II 2020, GKEasy

Which of the following terms were added to the Preamble of the Constitution of India by the Constitutional Amendment, 1976? 1. Socialist 2. Secular 3. Integrity 4. Fraternity 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 4
  4. D.1, 3 and 4
Show answer
Correct answer: B. 1, 2 and 3

The 42nd Constitutional Amendment Act, 1976, added the words Socialist, Secular and Integrity to the Preamble. Passed during the Emergency under Prime Minister Indira Gandhi, the 42nd Amendment is often called the "mini-Constitution" because it changed so many provisions.

Q1069.General ScienceAsked in: CDS · CDS-I 2022, GKMedium

Consider the following pairs of vaccine and category/type : 1. Covaxin : Inactivated pathogen-based vaccine 2. Covishield : mRNA vaccine 3. Sputnik V : Viral vector-based vaccine Which of the pairs given above is/are correctly matched ?

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

Covaxin is an inactivated virus vaccine and Sputnik V is a viral vector vaccine, but Covishield is a viral vector vaccine, not an mRNA vaccine.

Q1072.Indian HistoryAsked in: CDS · CDS-I 2024, GKMedium

Which of the following statements regarding the Industrial Revolution is/are correct? 1. It was change of a society from a rural and agricultural lifestyle to one in which most people earned their living in the industrial or secondary sector of the economy. 2. The first Industrial Revolution began in Germany in the early eighteenth century. 3. During Industrial Revolution, technological advances in iron smelting, and later steel production, were accompanied by the invention of steam engine. Select the correct answer using the code given below.

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

Statements 1 and 3 describe the Industrial Revolution correctly, but it began in Britain, not Germany. The Industrial Revolution turned largely rural, farming societies into urban ones where most people worked in factories, mines and workshops, which is what statement 1 says.

Q1078.GeographyAsked in: NDA · NDA-I 2019, GATMedium

Brahmaputra and Indus rivers are antecedent rivers. Which one of the following may be the true definition of an antecedent drainage ?

  1. A.Which follows the initial slope of the Himalaya
  2. B.Which existed before the Himalayan range came into existence
  3. C.Which followed the dip or rock beds of the Himalaya
  4. D.Which followed the strikes of rock beds of the Himalaya
Show answer
Correct answer: B. Which existed before the Himalayan range came into existence

An antecedent river is older than the uplift it now cuts across. The Indus, the Sutlej and the Brahmaputra rise beyond the main Himalayan range, north of it in Tibet.