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RRB Group D GK Questions 2026

Static GK is not a separate section in RRB Group D, but it decides most of the paper's recall marks. General Science is 25 questions of Physics, Chemistry and Life Sciences at 10th standard (CBSE) level as per CEN 09/2025, and the 20 General Awareness questions lean on the standing facts behind the news: the sport, the award, the institution, the state, the river or the scientist an event touches. This page holds GK24's topic-wise GK notes for RRB Group D. The General Science notes go topic by topic through motion and force, work, energy and power, gravitation, heat, light, sound, electricity and magnetism, atomic structure and the periodic table, chemical reactions, acids, bases and salts, metals and non-metals, and carbon compounds, and the Life Sciences notes cover cells, the human body, nutrition, diseases, plants and genetics. The static GK notes cover Indian Railways zones and facts, national symbols, first and largest in India and the world, awards and honours, important days, books and authors, sports GK, art and culture, and the basics of Indian Polity, Geography, History and the Economy. Each note is short facts and tables that can be revised in one sitting. Read a note, then solve its quiz and the previous-year questions on this site to check what stayed.

RRB Group D GK Questions with Answers

Q21.Government SchemesMedium

Which Union ministry approved the new road works in Mizoram under PMGSY-IV?

  1. A.Ministry of Road Transport and Highways
  2. B.Ministry of Rural Development
  3. C.Ministry of Development of North Eastern Region
  4. D.Ministry of Panchayati Raj
Show answer
Correct answer: B. Ministry of Rural Development

The correct answer is the Ministry of Rural Development, which administers the Pradhan Mantri Gram Sadak Yojana and cleared the Mizoram proposal under its fourth phase.

Q25.NationalMedium

Who released the commemorative stamps on breast cancer awareness for the Department of Posts?

  1. A.Dr. Pushp Lata, Additional Director General
  2. B.Punya Salila Srivastava, Union Health Secretary
  3. C.Manisha Sinha, Director General Postal Services
  4. D.The Union Minister of Communications
Show answer
Correct answer: C. Manisha Sinha, Director General Postal Services

She released the souvenir sheet of two commemorative stamps on breast cancer awareness at Dak Bhawan, New Delhi, in the presence of Union Health Secretary Punya Salila Srivastava and other senior officials of both ministries.

Q27.NationalEasy

Where were the commemorative postage stamps on breast cancer awareness released?

  1. A.Nirman Bhawan, New Delhi
  2. B.Dak Bhawan, New Delhi
  3. C.Vigyan Bhawan, New Delhi
  4. D.Bharat Mandapam, New Delhi
Show answer
Correct answer: B. Dak Bhawan, New Delhi

The special souvenir sheet carrying two commemorative postage stamps on breast cancer awareness, together with a set of picture postcards, was released there by Director General Postal Services Manisha Sinha in the presence of Punya Salila Srivastava, Secretary of the Ministry of Health and Family Welfare, with senior officials of…

Q29.General ScienceAsked in: CDS · CDS-II 2017, GKEasy

Which one of the following polymers does not contain glucose units?

  1. A.Glycogen
  2. B.Starch
  3. C.Cellulose
  4. D.Rubber
Show answer
Correct answer: D. Rubber

Natural rubber is a polymer of isoprene, a hydrocarbon, and contains no sugar units at all. Natural rubber is cis-1,4-polyisoprene, obtained from the latex of the rubber tree Hevea brasiliensis; its monomer isoprene (2-methyl-1,3-butadiene) has the formula C5H8.

Q30.General ScienceAsked in: CDS · CDS-II 2020, GKMedium

Lead nitrate on heating gives

  1. A.PbO2 and NO2
  2. B.PbO and NO2
  3. C.PbO and NO
  4. D.PbO2 and NO
Show answer
Correct answer: B. PbO and NO2

Lead nitrate decomposes on heating into lead(II) oxide, nitrogen dioxide and oxygen. The balanced equation is 2Pb(NO3)2 → 2PbO + 4NO2 + O2.

Q33.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.

Q36.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.

Q38.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.

Q39.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.

Q40.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.