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SSC CGL GK Questions 2026

Static GK decides the General Awareness score in SSC CGL. Of the 25 questions in Tier-I and the 25 in Tier-II Paper-I, most come from Indian Polity, History, Geography, the Economy and General Science, the areas the CGL 2026 notice lists as History, Culture, Geography, Economic Scene, General Policy and Scientific Research relating to India and its neighbouring countries. Polity questions ask about articles, parts and schedules of the Constitution, amendments, the President, Parliament, the Supreme Court and constitutional bodies. History covers the Indus Valley, the Mauryas and Guptas, the Delhi Sultanate and Mughals, and the freedom struggle from 1857 to 1947. Geography asks about rivers, soils, climate, national parks, minerals and world physical features. The Economy part asks about budget terms, the RBI, banking and basic concepts. General Science is school-level Physics, Chemistry and Biology. This page holds GK24's topic-wise GK notes for SSC CGL, written as short facts and tables so 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 you retained.

SSC CGL GK Questions with Answers

Q2141.General ScienceAsked in: NDA · NDA-II 2021, GATMedium

Spherical mirror formula relating an object distance 'u', image distance 'v' and focal length of mirror 'f' may be applied to a plane mirror when

  1. A.focal length goes to infinity.
  2. B.focal length goes to zero.
  3. C.image distance goes to zero.
  4. D.image distance goes to infinity.
Show answer
Correct answer: A. focal length goes to infinity.

A plane mirror is a spherical mirror of infinite radius of curvature, so its focal length f = R/2 is also infinite.

Q2146.Environment & EcologyAsked in: NDA · NDA-I 2026, GATMedium

Consider the following pairs related to the United Nations (UN) Sustainable Development Goals :

I. Goal 1 : End poverty in all forms everywhere

II. Goal 2 : Ensure healthy lives

III. Goal 3 : Ensure quality education

IV. Goal 4 : Achieve gender equality

How many of the pairs given above are correctly matched?

  1. A.One
  2. B.Two
  3. C.Three
  4. D.All the four
Show answer
Correct answer: A. One

Only pair I is correct; pairs II, III and IV each give a goal the theme of the next goal.

Q2147.Indian PolityAsked in: NDA · NDA-II 2026, GATMedium

Consider the following pairs with reference to the Constitution of India :

I. Part V : The Union

II. Part X : The Scheduled and Tribal Areas

III. Part XII : Relations between the Union and the States

IV. Part XIV : Amendment of the Constitution

How many of the pairs given above are correctly matched?

  1. A.One
  2. B.Two
  3. C.Three
  4. D.All four
Show answer
Correct answer: B. Two

Pairs I and II are correct; pairs III and IV are wrong. Part V (Articles 52 to 151) deals with the Union: the President, the Vice-President, the Council of Ministers, Parliament, the Supreme Court and the Comptroller and Auditor-General.

Q2148.General ScienceAsked in: NDA · NDA-I 2017, GATEasy

The valency of an element depends upon the

  1. A.total number of protons in an atom
  2. B.mass number of an atom
  3. C.total number of neutrons in an atom
  4. D.total number of electrons in the outermost shell of an atom
Show answer
Correct answer: D. total number of electrons in the outermost shell of an atom

Valency is the combining capacity of an atom, and it is decided by the valence electrons it gains, loses or shares to complete its outer shell.

Q2149.GeographyAsked in: NDA · NDA-II 2017, GATEasy

The Indian Railways have gone in for qualitative improvements since independence. Which of the following have taken place in recent years ?

1. Gauge conversion

2. Track electrification

3. Automatic signals

Select the correct answer using the codes given below :

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

Gauge conversion, electrification of tracks and automatic signalling have all been part of the modernisation of Indian Railways. Gauge conversion: under Project Unigauge, started in 1992, metre-gauge and narrow-gauge lines have been steadily converted to broad gauge (1,676 mm) so that trains can run through without transhipment.

Q2151.Indian EconomyAsked in: NDA · NDA-II 2018, GATEasy

The Nehru-Mahalanobis Strategy of Development was implemented for the first time by which one of the following Five-Year Plans?

  1. A.First Five-Year Plan
  2. B.Second Five-Year Plan
  3. C.Third Five-Year Plan
  4. D.Seventh Five-Year Plan
Show answer
Correct answer: B. Second Five-Year Plan

The Second Plan (1956–61) was built on the model prepared by the statistician P. C. Mahalanobis, which gave priority to heavy and basic industries.

Q2154.GeographyAsked in: NDA · NDA-I 2021, GATEasy

Which one of the following clouds is a rain-bearing cloud?

  1. A.Cumulus cloud
  2. B.Stratus cloud
  3. C.Nimbus cloud
  4. D.Cirrus cloud
Show answer
Correct answer: C. Nimbus cloud

The word nimbus means rain cloud: these dark, thick clouds bring steady rain or snow. Nimbus clouds form at low to middle heights and are so dense that sunlight hardly passes through them, which is why they look dark grey or black.

Q2158.Indian HistoryAsked in: NDA · NDA-I 2023, GATEasy

Which one of the following European explorer conquered Mexico ?

  1. A.Vasco da Gama
  2. B.Bartholomew Diaz
  3. C.Magellan
  4. D.Hernán Cortés
Show answer
Correct answer: D. Hernán Cortés

This Spanish conquistador overthrew the Aztec Empire and brought Mexico under Spain between 1519 and 1521. Cortés landed on the Mexican coast in 1519, allied with peoples hostile to the Aztecs such as the Tlaxcalans, and reached the Aztec capital Tenochtitlan, where the ruler Moctezuma II received him.