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Railway GK Questions 2026

Static GK in railway exams starts with one shared block: Class 10 science. Every RRB exam on GK24 tests it. Group D has 25 questions on Physics, Chemistry and Life Sciences of 10th CBSE level. JE has 30 in CBT-1 and another 15 on Physics and Chemistry in CBT-2. ALP tests General Science in CBT-1 and Basic Science and Engineering in CBT-2, and NTPC lists general science up to 10th inside General Awareness. Beyond science, the lists differ. NTPC names history and the freedom struggle, geography, polity, the economy, art and culture, environment, computers, abbreviations, transport systems in India, world organisations and government bodies. JE names geography, history and culture, polity, the economy and environmental issues, and adds computers and pollution control in CBT-2. This page holds GK24's topic-wise GK notes for railway exams in English and Hindi: General Science, History, Geography, Polity, Economy, Art and Culture, Environment, Computers and static GK, including Indian Railways. Each note is short facts and tables that can be revised in one sitting. Begin with the science notes, since they serve every railway exam, then add the static topics your exam lists, and test each note with its quiz.

Railway GK Questions with Answers

Q1341.Environment & EcologyAsked in: NDA · NDA-II 2017, GATEasy

Which one of the following is a cause of acid rains?

  1. A.Ozone
  2. B.Ammonia
  3. C.Sulphur dioxide
  4. D.Carbon monoxide
Show answer
Correct answer: C. Sulphur dioxide

Sulphur dioxide dissolves in rainwater to form sulphuric acid, a main cause of acid rain. Burning coal and oil in power stations, smelters and vehicles releases sulphur dioxide and oxides of nitrogen into the air.

Q1344.General ScienceAsked in: NDA · NDA-I 2017, GATEasy

Which one of the following statements is true for the relation F = Gm1m2/r² ? (All symbols have their usual meanings)

  1. A.The quantity G depends on the local value of g, acceleration due to gravity
  2. B.The quantity G is greatest at the surface of the Earth
  3. C.The quantity G is used only when earth is one of the two masses
  4. D.The quantity G is a universal constant
Show answer
Correct answer: D. The quantity G is a universal constant

G has the same value everywhere in the universe, for any two masses. The relation is Newton's law of universal gravitation: every two bodies attract each other with a force proportional to the product of their masses and inversely proportional to the square of the distance between them.

Q1346.General ScienceAsked in: NDA · NDA-II 2017, GATEasy

Which one of the following statements is not correct ?

  1. A.Human eye is a refracting system containing a diverging lens.
  2. B.The retina of the human eye contains millions of light sensitive cells, called rods and cones, which convert the light into electrical messages.
  3. C.Every image that is focused on the retina is upside down.
  4. D.We need both eyes to judge the relative positions of objects accurately.
Show answer
Correct answer: A. Human eye is a refracting system containing a diverging lens.

The lens of the human eye is a converging (convex) lens, not a diverging one, so statement A is not correct.

Q1347.General ScienceAsked in: NDA · NDA-I 2017, GATMedium

Suppose a rod is given a negative charge by rubbing it with wool. Which one of the following statements is correct in this case ?

  1. A.The positive charges are transferred from rod to wool
  2. B.The positive charges are transferred from wool to rod
  3. C.The negative charges are transferred from rod to wool
  4. D.The negative charges are transferred from wool to rod
Show answer
Correct answer: D. The negative charges are transferred from wool to rod

The rod becomes negative because it gains electrons from the wool. When two materials are rubbed together, only electrons move, because they are the loosely held outer particles of atoms.

Q1348.General ScienceAsked in: NDA · NDA-II 2017, GATEasy

The statement that 'heat cannot flow by itself from a body at a lower temperature to a body at a higher temperature', is known as

  1. A.Zeroth law of thermodynamics
  2. B.First law of thermodynamics
  3. C.Second law of thermodynamics
  4. D.Third law of thermodynamics
Show answer
Correct answer: C. Second law of thermodynamics

This is the Clausius statement of the second law. Rudolf Clausius stated that heat cannot by itself pass from a colder body to a hotter one; work must be done to make it do so.

Q1351.GeographyAsked in: NDA · NDA-I 2017, GATMedium

Which of the following regions is/are NOT known for cotton-textile industry ?

1. Mumbai - Pune region

2. Madurai - Coimbatore region

3. Dhanbad - Jamshedpur region

4. Indore - Ujjain region

Select the correct answer using the code given below:

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

The Dhanbad-Jamshedpur region is known for coal, iron and steel, not cotton textiles. Cotton mills grew where raw cotton, a humid climate, capital, cheap power and markets came together.

Q1352.General ScienceAsked in: NDA · NDA-II 2017, GATEasy

A rainbow is produced due to which one of the following phenomena ?

  1. A.Dispersion of light
  2. B.Interference of light
  3. C.Diffraction of light
  4. D.Scattering of light by atmospheric dust
Show answer
Correct answer: A. Dispersion of light

A rainbow forms when raindrops split white sunlight into its seven colours. When sunlight enters a raindrop, it is refracted, and because each colour bends by a different amount, the colours spread apart.

Q1355.EconomyMedium

Under which category of public sector enterprise is the National Small Industries Corporation classified?

  1. A.Maharatna
  2. B.Navratna
  3. C.Schedule 'A' Mini Ratna
  4. D.Schedule 'C' undertaking
Show answer
Correct answer: C. Schedule 'A' Mini Ratna

The National Small Industries Corporation Limited is described as a Schedule 'A' Mini Ratna company, and it functions under the Ministry of Micro, Small and Medium Enterprises, whose two ministers received its dividend for the year.

Q1356.EconomyEasy

How much dividend did the National Small Industries Corporation present to the Government of India for the financial year 2025-26?

  1. A.Rs 29.40 crore
  2. B.Rs 47.76 crore
  3. C.Rs 112.50 crore
  4. D.Rs 159 crore
Show answer
Correct answer: B. Rs 47.76 crore

The Chairman-cum-Managing Director of the corporation, Dr Subhransu Sekhar Acharya, presented a dividend of that amount on 28 October 2026 to the Union Minister for Micro, Small and Medium Enterprises, Jitan Ram Manjhi, and the Minister of State, Shobha Karandlaje, with the Secretary of the ministry, Bharat Khera, and senior…

Q1357.Summits & ConferencesMedium

Domestic tourist visits to the eight north eastern states rose from 95.65 lakh in 2019 to what figure in 2025?

  1. A.1.21 crore
  2. B.1.35 crore
  3. C.1.51 crore
  4. D.1.84 crore
Show answer
Correct answer: C. 1.51 crore

At the inauguration of the mart the Union Tourism Minister gave the growth of tourism in the region in plain numbers: domestic tourist visits to the eight north eastern states stood at 95.65 lakh in 2019 and reached 1.51 crore in 2025, which works out to a rise of roughly…

Q1358.Summits & ConferencesMedium

How many international buyers from how many countries are taking part in the 14th International Tourism Mart?

  1. A.32 buyers from 18 countries
  2. B.43 buyers from 22 countries
  3. C.81 buyers from 16 countries
  4. D.42 buyers from 14 countries
Show answer
Correct answer: B. 43 buyers from 22 countries

Speaking to the press at Tawang, the Union Minister for Tourism and Culture said the fourteenth edition had brought together 43 international buyers drawn from 22 countries, and he described this as the highest international buyer participation the mart has ever recorded.

Q1360.Indian EconomyAsked in: CDS · CDS-II 2024, GKMedium

Which one of the following statements is correct about NISHTHA, a Government of India initiative ?

  1. A.It is a training module recently introduced in LBSNAA for civil servants.
  2. B.It is a teacher-training programme.
  3. C.It is a training programme for the new recruits in Delhi Police to inculcate integrity of service among them.
  4. D.It is a workshop for newly elected Members of Parliament organized routinely by the Lok Sabha Secretariat.
Show answer
Correct answer: B. It is a teacher-training programme.

NISHTHA stands for National Initiative for School Heads' and Teachers' Holistic Advancement, a programme to train school teachers and heads.

GK Questions for sub-exams