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RRB Group D 2025-26 4 August 2026 Shift 1 GK Questions – with answers & solutions

All 42 GK / GS questions asked in RRB Group D 2025-26 on 4 August 2026 Shift 1, with correct answers and short solutions, subject-wise: Current Affairs, Economics, Geography, Static GK, Physics, Chemistry.

📚 42 questions🗓️ 4 August 2026⏰ Shift 1
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Subjects: Current Affairs (12) · Economics (4) · Geography (2) · Static GK (1) · Physics (9) · Chemistry (10) · Biology (4)

Current Affairs (12)

Books, Obituaries and Days - Current · Books released

Q1. Who released a commemorative book on Operation Sindoor in May 2026, featuring personal testimonies of 100 officers, sailors, airmen and soldiers who participated in the mission?

  1. (a) Droupadi Murmu
  2. (b) Rajnath SIngh
  3. (c) Narendra Modi
  4. (d) Amit Shah
Answer & solution

Answer: (b) Rajnath SIngh

Answer: Option 2 — Rajnath Singh
Defence MinisterRajnath Singhreleased the commemorative book on Operation Sindoor (May 2026) → Option 2. *(Verify against the official key.)*
Sports - Current · Tournaments and winners

Q2. Who won the gold medal in the men’s javelin event at the World Para Athletics Grand Prix 2026 in New Delhi?

  1. (a) Sundar Singh Gurjar
  2. (b) Mariyappan Thangavelu
  3. (c) Sumit Antil
  4. (d) Devendra Jhajharia
Answer & solution

Answer: (c) Sumit Antil

Answer: Option 3 — Sumit Antil
Sumit Antilwon gold in men's javelin at the World Para Athletics Grand Prix 2026, New Delhi → Option 3. *(Verify against the official key.)*
Science, Technology and Space - Current · Space missions - current

Q3. Which specific launch vehicle was used to carry the NISAR satellite into orbit from Sriharikota in 2025?

  1. (a) LVM3-M4
  2. (b) PSLV-C58
  3. (c) Falcon 9
  4. (d) GSLV-F16
Answer & solution

Answer: (d) GSLV-F16

Answer: Option 4 — GSLV-F16
NISAR was launched aboardGSLV-F16from Sriharikota (2025) → Option 4.
Defence and Security - Current · Military exercises - current

Q4. Where was PRAGATI 2026, a major multilateral military exercise led by India with participation from 12 friendly nations, held in May 2026?

  1. (a) Rajasthan
  2. (b) Meghalaya
  3. (c) Punjab
  4. (d) Assam
Answer & solution

Answer: (b) Meghalaya

Answer: Option 2 — Meghalaya
Exercise PRAGATI 2026 was held inMeghalaya→ Option 2. *(Verify against the official key.)*
Reports, Indices and Rankings · Global indices and India's rank

Q5. According to the World Press Freedom Index 2026, released by Reporters Without Borders (RSF), which country ranked 1st — a position it has now held for 10 consecutive years?

  1. (a) Denmark
  2. (b) Norway
  3. (c) Sweden
  4. (d) Finland
Answer & solution

Answer: (b) Norway

Answer: Option 2 — Norway
Norwaytopped the 2026 World Press Freedom Index (10 years running) → Option 2. *(Verify against the official key.)*
National Affairs and Government Initiatives · New government schemes and missions

Q6. In April 2026, the Union Government officially operationalised India's first dedicated venture capital fund for space startups to accelerate the private space tech ecosystem. What is the official name of this fund?

  1. (a) Antariksh Venture Capital Fund
  2. (b) IN-SPACe Seed Capital Fund
  3. (c) National DeepTech Fund of Funds
  4. (d) Digital Space Bharat Nidhi
Answer & solution

Answer: (a) Antariksh Venture Capital Fund

Answer: Option 1 — Antariksh Venture Capital Fund
India's first dedicated VC fund for space startups (Apr 2026) is theAntariksh Venture Capital Fund→ Option 1. *(Verify against the official key.)*
Awards and Honours - Current · Sports and film awards - current

Q7. At the 2026 Laureus World Sports Awards, who received the Laureus World Sportsman of the Year Award?

  1. (a) Carlos Alcaraz
  2. (b) Jannik Sinner
  3. (c) Max Verstappen
  4. (d) Roger Federer
Answer & solution

Answer: (a) Carlos Alcaraz

Answer: Option 1 — Carlos Alcaraz
Carlos Alcarazreceived the Laureus World Sportsman of the Year 2026 → Option 1. *(Verify against the official key.)*
Defence and Security - Current · Defence acquisitions and indigenous systems

Q8. From which test range did DRDO successfully conduct three flight tests of the Very Short Range Air Defence System (VSHORADS) in February 2026?

  1. (a) Integrated Test Range, Chandipur
  2. (b) Pokhran Field Range, Rajasthan
  3. (c) Balasore Missile Complex, West Bengal
  4. (d) Thumba Equatorial Rocket Range, Kerala
Answer & solution

Answer: (a) Integrated Test Range, Chandipur

Answer: Option 1 — Integrated Test Range, Chandipur
DRDO tested VSHORADS from theIntegrated Test Range, Chandipur(Feb 2026) → Option 1.
National Affairs and Government Initiatives · Policies, laws and bills

Q9. Within what period must every National Sports Body amend its bye-laws to bring them into conformity with the National Sports Governance Act, 2025, and the Rules, 2026?

  1. (a) Nine months
  2. (b) Twelve months
  3. (c) Six months
  4. (d) Three months
Answer & solution

Answer: (c) Six months

Answer: Option 3 — Six months
National Sports Bodies must amend bye-laws withinsix monthsto conform to the 2025 Act/2026 Rules → Option 3. *(Verify against the official key.)*
Defence and Security - Current · Defence acquisitions and indigenous systems

Q10. In May 2026, where did Defence Minister Rajnath Singh inaugurate a private sector defence manufacturing complex in Maharashtra?

  1. (a) Tarapur
  2. (b) Lasalgaon
  3. (c) Chakan
  4. (d) Shirdi
Answer & solution

Answer: (d) Shirdi

Answer: Option 4 — Shirdi
Rajnath Singh inaugurated the private defence complex atShirdi, Maharashtra (May 2026) → Option 4. *(Verify against the official key.)*
National Affairs and Government Initiatives · New government schemes and missions

Q11. Which of the following schemes was launched by the Government of India in February 2026?

  1. (a) PM Kisan Samman Nidhi (PM-KISAN)
  2. (b) Bharat-VISTAAR
  3. (c) Jal Jeevan Mission
  4. (d) PM Vishwakarma Scheme
Answer & solution

Answer: (b) Bharat-VISTAAR

Answer: Option 2 — Bharat-VISTAAR
Bharat-VISTAARwas launched in February 2026 → Option 2. *(Verify against the official key.)*
Environment and Climate - Current · New protected areas and Ramsar sites

Q12. Which bird sanctuary in Uttar Pradesh was included in the list of Ramsar sites in April 2026?

  1. (a) Vedanthangal Bird Sanctuary
  2. (b) Chitrangudi Bird Sanctuary
  3. (c) Shekha Jheel Bird Sanctuary
  4. (d) Udhwa Lake Bird Sanctuary
Answer & solution

Answer: (c) Shekha Jheel Bird Sanctuary

Answer: Option 3 — Shekha Jheel Bird Sanctuary
Shekha Jheel(UP) was added to the Ramsar list in April 2026 → Option 3. *(Vedanthangal & Chitrangudi are in Tamil Nadu, Udhwa in Jharkhand.)*

Economics (4)

Poverty, Unemployment and Human Development · Sustainable Development Goals

Q13. The PM Surya Ghar: Muft Bijli Yojana, under which more than 26 lakh households had benefited by December 2025, contributes most directly to which Sustainable Development Goal (SDG) through promotion of rooftop solar energy and reduction of dependence on fossil fuels?

  1. (a) SDG 15
  2. (b) SDG 7
  3. (c) SDG 12
  4. (d) SDG 9
Answer & solution

Answer: (b) SDG 7

Answer: Option 2 — SDG 7
Rooftop solar (PM Surya Ghar) supportsSDG 7 – Affordable and Clean Energy→ Option 2.
Public Finance - Budget and Taxation · Union Budget - latest highlights

Q14. The Budget for 2026–27 provides an allocation of ₹924.35 crore for which of the following missions?

  1. (a) Khelo India Mission
  2. (b) National Health Mission
  3. (c) Smart Cities Mission
  4. (d) Swachh Bharat Mission
Answer & solution

Answer: (a) Khelo India Mission

Answer: Option 1 — Khelo India Mission
The ₹924.35 crore allocation (Budget 2026–27) is for theKhelo India Mission→ Option 1. *(Verify against the official key.)*
Industry and Infrastructure · MSME sector

Q15. Which scheme of the Ministry of MSME achieved a major employment-generation milestone during the 15th Finance Commission period, as reported in May 2026?

  1. (a) Pradhan Mantri Mudra Yojana (PMMY)
  2. (b) Deen Dayal Antyodaya Yojana (DAY-NRLM)
  3. (c) Prime Minister's Employment Generation Programme (PMEGP)
  4. (d) Skill India Mission (SIM)
Answer & solution

Answer: (c) Prime Minister's Employment Generation Programme (PMEGP)

Answer: Option 3 — PMEGP
ThePrime Minister's Employment Generation Programme (PMEGP)hit an employment milestone in the 15th FC period → Option 3. *(Verify against the official key.)*
Public Finance - Budget and Taxation · Union Budget - latest highlights

Q16. What does SHAKTI stand for in the Biopharma SHAKTI initiative announced in the Union Budget 2026–27?

  1. (a) Scientific Health and Advanced Knowledge for Translational Innovation
  2. (b) Sustainable Health Advancement through Knowledge and Technological Integration
  3. (c) Strategy for Healthcare Advancement through Knowledge, Technology and Innovation
  4. (d) Strategic Hub for Artificial Knowledge and Technical Integration
Answer & solution

Answer: (c) Strategy for Healthcare Advancement through Knowledge, Technology and Innovation

Answer: Option 3 — Strategy for Healthcare Advancement through Knowledge, Technology and Innovation
Biopharma SHAKTI's expansion (Budget 2026–27) → Option 3. *(Verify against the official key.)*

Geography (2)

India - States and Union Territories · State capitals and formation dates

Q17. On June 2nd, 2026, which state celebrated the 12th year of its formation?

  1. (a) Uttarakhand
  2. (b) Chhattisgarh
  3. (c) Jharkhand
  4. (d) Telangana
Answer & solution

Answer: (d) Telangana

Answer: Option 4 — Telangana
Telanganawas formed on 2 June 2014, so 2 June 2026 marks its12thformation year → Option 4.
India - Population and Census · Census - history and organisation

Q18. Which administrative authority is responsible for conducting the Census 2027 exercise in India?

  1. (a) Election Commission of India
  2. (b) Registrar General and Census Commissioner of India
  3. (c) National Informatics Centre of India
  4. (d) Ministry of Statistics and Programme Implementation
Answer & solution

Answer: (b) Registrar General and Census Commissioner of India

Answer: Option 2 — Registrar General and Census Commissioner of India
TheOffice of the Registrar General & Census Commissioner of India (RGI)conducts the Census → Option 2.

Static GK (1)

Indian Railways · Railway zones and headquarters

Q19. South Coast Railway (SCoR), which became operational from June 1, 2026, is India's ____________________.

  1. (a) 14th railway zone
  2. (b) 18th railway zone
  3. (c) 20th railway zone
  4. (d) 16th railway zone
Answer & solution

Answer: (b) 18th railway zone

Answer: Option 2 — 18th railway zone
The South Coast Railway (SCoR), Visakhapatnam, is India's18th railway zone→ Option 2. *(Verify against the official key.)*

Physics (9)

Work, Energy and Power · Work and its sign

Q20. Which of the following is NOT necessary for work to be done?

  1. (a) Displacement must occur
  2. (b) Energy must be stored
  3. (c) Force and displacement both must be present
  4. (d) Force must act
Answer & solution

Answer: (b) Energy must be stored

Answer: Option 2 — Energy must be stored
Work needs aforceand adisplacementin the direction of the force. Energy being *stored* is not a requirement (work can convert energy to motion/heat) → Option 2.
Magnetism and Magnetic Effects of Current · Electromagnetic induction and Faraday's laws

Q21. What happens when a conductor moves through a magnetic field?

  1. (a) The strength of the magnetic field increases.
  2. (b) The conductor heats up.
  3. (c) A potential difference is induced across its ends.
  4. (d) Light is produced in the conductor.
Answer & solution

Answer: (c) A potential difference is induced across its ends.

Answer: Option 3 — A potential difference is induced across its ends
Moving a conductor through a magnetic field induces anEMF (potential difference)— electromagnetic induction (Faraday's law) → Option 3.
Light - Refraction and Lenses · Numericals on refraction and lenses

Q22. A student places a candle 25 cm from a convex lens of focal length 15 cm and obtains a real image. What is the magnification of the image formed?

  1. (a) -2.5
  2. (b) 0.4
  3. (c) 1.67
  4. (d) - 1.5
Answer & solution

Answer: (d) - 1.5

Answer: Option 4 — −1.5
Lens: 1/v − 1/u = 1/f, u = −25, f = +15. 1/v = 1/15 − 1/25 = (5 − 3)/75 = 2/75 ⟹ v = 37.5 cm.
m = v/u = 37.5/(−25) =−1.5→ Option 4.
Motion · Distance and displacement

Q23. What is required to fully describe the displacement of a moving body?

  1. (a) Position at the origin
  2. (b) Both magnitude and direction
  3. (c) Only direction
  4. (d) Only magnitude
Answer & solution

Answer: (b) Both magnitude and direction

Answer: Option 2 — Both magnitude and direction
Displacement is avector, so it needsboth magnitude and direction→ Option 2.
Sound and Waves · Nature and types of waves (longitudinal, transverse)

Q24. What is the role of a medium in the propagation of sound?

  1. (a) A medium provides particles that carry sound vibrations
  2. (b) A medium blocks sound from moving between places
  3. (c) A medium is not needed for sound to move from one point to another
  4. (d) A medium changes sound into light energy for travel
Answer & solution

Answer: (a) A medium provides particles that carry sound vibrations

Answer: Option 1 — A medium provides particles that carry sound vibrations
Sound is a mechanical wave; it needs amaterial mediumwhose particles vibrate to carry it → Option 1.
Force and Laws of Motion · Newton's third law and its applications

Q25. Two ice skaters push off from each other on a frictionless surface. What will be observed about their motion?

  1. (a) Both skaters move away from each other in opposite directions with equal and opposite forces.
  2. (b) Both skaters move together in the same direction.
  3. (c) One skater moves while the other remains stationary.
  4. (d) Both skaters move in circles around each other.
Answer & solution

Answer: (a) Both skaters move away from each other in opposite directions with equal and opposite forces.

Answer: Option 1 — Both move away in opposite directions with equal and opposite forces
ByNewton's third law, the skaters push each other with equal and opposite forces and move apart in opposite directions → Option 1.
Work, Energy and Power · Numericals on work, energy and power

Q26. A water tank of mass 500 kg is placed on the roof of a building 20 m above the ground. The acceleration due to gravity is g = 10m/s². If the tank is moved to the roof of another building that is twice as high as the first building, while its mass remains unchanged, what will be its new gravitational potential energy?

  1. (a) 200,000 J
  2. (b) 400,000 J
  3. (c) 50,000 J
  4. (d) 100,000 J
Answer & solution

Answer: (a) 200,000 J

Answer: Option 1 — 200,000 J
New height = 2 × 20 = 40 m. PE = mgh = 500 × 10 × 40 =200,000 J→ Option 1.
Human Eye and the Colourful World · Prism and dispersion of light

Q27. What would happen to the spread of colors in the spectrum if a second identical prism is placed after the first in an inverted position?

  1. (a) Only red and violet merge
  2. (b) The spread of colors recombines to form white light
  3. (c) The colors spread further apart
  4. (d) The spectrum shifts to one side
Answer & solution

Answer: (b) The spread of colors recombines to form white light

Answer: Option 2 — The spread of colours recombines to form white light
A second, inverted identical prismrecombinesthe dispersed colours back intowhite light→ Option 2.
Magnetism and Magnetic Effects of Current · Electric motor

Q28. A device uses the principle of magnetic fields around a current-carrying conductor to convert electrical energy to mechanical energy. Which device operates on this principle?

  1. (a) Galvanometer
  2. (b) Electric motor
  3. (c) Solar cell
  4. (d) Transformer
Answer & solution

Answer: (b) Electric motor

Answer: Option 2 — Electric motor
Anelectric motorconverts electrical energy into mechanical energy using the force on a current-carrying conductor in a magnetic field → Option 2.

Chemistry (10)

Acids, Bases and Salts · Properties of acids

Q29. Which gas is released when a dilute acid reacts with a metal carbonate?

  1. (a) Carbon dioxide gas is released
  2. (b) Oxygen gas is released
  3. (c) Nitrogen gas is released
  4. (d) Hydrogen gas is released
Answer & solution

Answer: (a) Carbon dioxide gas is released

Answer: Option 1 — Carbon dioxide gas is released
Acid + metal carbonate → salt + water +CO₂. (Acid + metal gives H₂; here it is a carbonate, so CO₂.) → Option 1.
Metals and Non-metals · Corrosion and its prevention (galvanisation, etc.)

Q30. Which of the following methods prevents corrosion by sacrificing another metal?

  1. (a) Galvanisation
  2. (b) Anodising
  3. (c) Painting
  4. (d) Alloying
Answer & solution

Answer: (a) Galvanisation

Answer: Option 1 — Galvanisation
Galvanisationcoats iron withzinc, a more reactive metal that corrodes in preference (sacrificial protection) → Option 1.
Everyday and Industrial Chemistry · Combustion and flame

Q31. Select the correct option regarding the following two statements labelled Assertion (A) and Reason (R).Assertion (A): Unsaturated hydrocarbons give a yellow flame with black smoke.Reason (R): They burn completely when oxygen is insufficient.

  1. (a) A is false, but R is true.
  2. (b) A is true, but R is false.
  3. (c) Both A and R are true, and R is the correct explanation of A.
  4. (d) Both A and R are true, and R is not the correct explanation of A.
Answer & solution

Answer: (b) A is true, but R is false.

Answer: Option 2 — A is true, but R is false
A: unsaturated hydrocarbons do give ayellow, sooty flame— true.
R: this happens due toincompletecombustion (insufficient O₂), NOT complete burning — the reason as stated ("burn completely when oxygen is insufficient") is false → Option 2.
Structure of Atom · Rutherford's model and gold foil experiment

Q32. Which statement best describes the nucleus according to Rutherford’s model?

  1. (a) The nucleus is spread out and uncharged.
  2. (b) The nucleus is hollow and neutral.
  3. (c) The nucleus is large, light, and negatively charged.
  4. (d) The nucleus is small, dense, and positively charged.
Answer & solution

Answer: (d) The nucleus is small, dense, and positively charged.

Answer: Option 4 — Small, dense, and positively charged
Rutherford's model: the nucleus issmall, dense and positively charged, with electrons revolving around it → Option 4.
Chemical Reactions and Equations · Double displacement and precipitation reactions

Q33. A reaction occurs when two aqueous salt solutions are mixed, and an insoluble solid forms while the remaining ions stay dissolved in solution. Which type of reaction does this represent?

  1. (a) Decomposition reaction requiring energy input
  2. (b) Combination reaction forming single product
  3. (c) Double displacement precipitation reaction
  4. (d) Displacement reaction involving metal exchange
Answer & solution

Answer: (c) Double displacement precipitation reaction

Answer: Option 3 — Double displacement precipitation reaction
Two salt solutions exchange ions and form aninsoluble precipitate→ adouble displacement (precipitation)reaction → Option 3.
Carbon and its Compounds · Ethanol and ethanoic acid

Q34. Complete oxidation of one mole of ethanol releases how many moles of CO₂?

  1. (a) Three
  2. (b) Four
  3. (c) One
  4. (d) Two
Answer & solution

Answer: (d) Two

Answer: Option 4 — Two
C₂H₅OH + 3O₂ →2CO₂+ 3H₂O. One mole of ethanol gives2 moles of CO₂→ Option 4.
Environmental Chemistry · Ozone layer and its depletion

Q35. Which of the following chemical compounds is mainly responsible for ozone depletion in the upper atmosphere?

  1. (a) Sulphur dioxide
  2. (b) Methane
  3. (c) Oxides of nitrogen
  4. (d) Chlorofluorocarbons
Answer & solution

Answer: (d) Chlorofluorocarbons

Answer: Option 4 — Chlorofluorocarbons
CFCsrelease chlorine radicals that destroy ozone in the stratosphere → Option 4.
Atoms, Molecules and Mole Concept · Ions and radicals

Q36. When a non-metal gains electrons, it forms:

  1. (a) Anion
  2. (b) Proton
  3. (c) Cation
  4. (d) Neutral
Answer & solution

Answer: (a) Anion

Answer: Option 1 — Anion
Gaining electrons gives anegative ion = anion→ Option 1.
Environmental Chemistry · Ocean acidification

Q37. Excessive atmospheric CO₂ increases its dissolution in ocean water. This makes seawater more ________.

  1. (a) Basic
  2. (b) Oxygenated
  3. (c) Neutral
  4. (d) Acidic
Answer & solution

Answer: (d) Acidic

Answer: Option 4 — Acidic
Dissolved CO₂ forms carbonic acid, making seawater moreacidic(ocean acidification) → Option 4.
Mixtures, Solutions and Separation · Suspensions and colloids

Q38. A teacher prepares three mixtures. Sugar dissolved in water Salt dissolved in water Sand stirred in water Which of the following is a suspension?

  1. (a) The salt and water mixture
  2. (b) Both Sugar-water mixture & Sand-water mixture
  3. (c) Only the sand and water mixture
  4. (d) Only the sugar and water mixture
Answer & solution

Answer: (c) Only the sand and water mixture

Answer: Option 3 — Only the sand and water mixture
Asuspensionhas undissolved particles that settle — thesand + watermixture. (Sugar/salt dissolve → solutions.) → Option 3.

Biology (4)

Control and Coordination · Spinal cord and reflex action

Q39. A child presents with a congenital absence of the vertebral column. Which major body system would be primarily compromised?

  1. (a) Central nervous system protection
  2. (b) Respiratory gas exchange
  3. (c) Cutaneous respiration
  4. (d) External digestion
Answer & solution

Answer: (a) Central nervous system protection

Answer: Option 1 — Central nervous system protection
Thevertebral column protects the spinal cord(part of the CNS). Its absence chiefly compromisesCNS protection→ Option 1.
Ecology and Environment · Food chains and food webs

Q40. Why are food webs considered more stable than food chains?

  1. (a) They have a larger number of producers
  2. (b) They do not contain any carnivores
  3. (c) They display multiple feeding possibilities
  4. (d) They show no energy transfer between trophic levels
Answer & solution

Answer: (c) They display multiple feeding possibilities

Answer: Option 3 — They display multiple feeding possibilities
A food web hasmany interconnected food chains, so if one organism declines others provide alternative feeding routes — making it morestable→ Option 3.
Human Physiology - Respiration, Circulation and Excretion · Heart - structure and functioning

Q41. Which structure prevents the backward flow of blood during contractions of the heart?

  1. (a) Arteries
  2. (b) Muscles
  3. (c) Septa
  4. (d) Valves
Answer & solution

Answer: (d) Valves

Answer: Option 4 — Valves
Heartvalvesprevent the backward flow of blood during contraction → Option 4.
Control and Coordination · Neuron and nerve impulse

Q42. Which part of a neuron carries nerve impulses away from the cell body?

  1. (a) Root hair
  2. (b) Cilia
  3. (c) Axon
  4. (d) Flagellum
Answer & solution

Answer: (c) Axon

Answer: Option 3 — Axon
Theaxoncarries impulsesawayfrom the cell body → Option 3.
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