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RRB Group D 2025-26 12 August 2026 Shift 2 GK Questions – with answers & solutions

All 41 GK / GS questions asked in RRB Group D 2025-26 on 12 August 2026 Shift 2, with correct answers and short solutions, subject-wise: Current Affairs, Polity, Physics, Chemistry, Biology.

📚 41 questions🗓️ 12 August 2026⏰ Shift 2
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Subjects: Current Affairs (18) · Polity (1) · Physics (9) · Chemistry (6) · Biology (7)

Current Affairs (18)

National Affairs and Government Initiatives · National events and launches

Q1. Which indigenous technology had been launched by the Union Minister of Communications on 02 May 2026 to strengthen India’s emergency communication systems and enhance public safety infrastructure under the guidance of the Ministry of Home Affairs?

  1. (a) National Emergency Radio Grid
  2. (b) Global Positioning System
  3. (c) Satellite Tracking Network
  4. (d) Cell Broadcast System
Answer & solution

Answer: (d) Cell Broadcast System

Answer: Option 4 – Cell Broadcast System.
• TheCell Broadcast Systemwas launched (2 May 2026) to strengthen emergency communication and public safety.
Sports - Current · Venues and hosts

Q2. The Khelo India Tribal Games were held from 25 March to 3 April 2026 in which state?

  1. (a) Jharkhand
  2. (b) Chhattisgarh
  3. (c) Madhya Pradesh
  4. (d) Odisha
Answer & solution

Answer: (b) Chhattisgarh

Answer: Option 2 – Chhattisgarh.
• The Khelo India Tribal Games (25 March–3 April 2026) were held inChhattisgarh.
Sports - Current · Records and achievements

Q3. In May 2026, the Indian para-athlete Sumit Antil broke his own World Record in the Men’s Javelin F64 category. What was the distance of his record-breaking throw?

  1. (a) 73.29 meters
  2. (b) 80.02 meters
  3. (c) 74.82 meters
  4. (d) 70.50 meters
Answer & solution

Answer: (c) 74.82 meters

Answer: Option 3 – 74.82 metres.
• Sumit Antil broke his own Men's Javelin F64 World Record with a throw of74.82 m(May 2026).
Awards and Honours - Current · Sports and film awards - current

Q4. Who won the Laureus World Comeback of the Year Award at the 2026 Laureus World Sports Awards, after completing golf's Career Grand Slam with a Masters victory — 11 years after his last Major win?

  1. (a) Justin Rose
  2. (b) Rory McIlroy
  3. (c) Jon Rahm
  4. (d) Tiger Woods
Answer & solution

Answer: (b) Rory McIlroy

Answer: Option 2 – Rory McIlroy.
•Rory McIlroywon the Laureus World Comeback of the Year 2026 after completing the career Grand Slam.
State News · State schemes and events

Q5. Which state government introduced cyber safety protocols specifically for school children in March 2026?

  1. (a) Kerala
  2. (b) Maharashtra
  3. (c) Tamil Nadu
  4. (d) Karnataka
Answer & solution

Answer: (a) Kerala

Answer: Option 1 – Kerala.
•Keralaintroduced cyber-safety protocols for school children (March 2026).
National Affairs and Government Initiatives · National events and launches

Q6. The Indian Pharmacopoeia Commission (IPC) signed three MoUs in November 2025 with Nagaland Medical Council, Nagaland State Drugs Control Administration (NSDCA), and Nagaland State Pharmacy Council primarily to strengthen which of the following areas in the state?

  1. (a) Expansion of health insurance coverage
  2. (b) Implementation of tele-medicine services
  3. (c) Promotion of pharmacovigilance and materiovigilance activities
  4. (d) Establishment of new medical colleges
Answer & solution

Answer: (c) Promotion of pharmacovigilance and materiovigilance activities

Answer: Option 3 – Promotion of pharmacovigilance and materiovigilance activities.
• The IPC-Nagaland MoUs (Nov 2025) mainly aimed to strengthenpharmacovigilance and materiovigilance.
Reports, Indices and Rankings · Reports and their publishers

Q7. Which organisation released the “Women, Business and the Law 2026” report, highlighting the global gap between gender equality laws and their implementation?

  1. (a) United Nations Development Programme
  2. (b) International Monetary Fund
  3. (c) World Economic Forum
  4. (d) World Bank Group
Answer & solution

Answer: (d) World Bank Group

Answer: Option 4 – World Bank Group.
• TheWorld Bank Groupreleased 'Women, Business and the Law 2026'.
Economy, Banking and Business · Business and corporate news

Q8. In which state had Oil India Limited unlocked a new gas-bearing pay zone in the Dandewala Field from the Sanu Formation in 2026?

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

Answer: (c) Rajasthan

Answer: Option 3 – Rajasthan.
• Oil India Limited unlocked a new gas pay zone in the Dandewala Field (Sanu Formation) inRajasthan.
National Affairs and Government Initiatives · Policies, laws and bills

Q9. In 2026, NITI Aayog launched the strategic framework “DPI@2047 for Viksit Bharat”. What does “DPI” stand for?

  1. (a) Digital Public Infrastructure
  2. (b) Digital Policy Initiative
  3. (c) Development Planning Index
  4. (d) Dynamic Policy Integration
Answer & solution

Answer: (a) Digital Public Infrastructure

Answer: Option 1 – Digital Public Infrastructure.
• 'DPI@2047' stands forDigital Public Infrastructure(NITI Aayog framework).
Awards and Honours - Current · International awards - current

Q10. Which country was represented by Dr. Iroro Tanshi, who was announced as a recipient of the 2026 Goldman Environmental Prize for protecting the endangered short-tailed roundleaf bat and its habitat in the Afi Mountain Wildlife Sanctuary?

  1. (a) South Korea
  2. (b) Colombia
  3. (c) Nigeria
  4. (d) Brazil
Answer & solution

Answer: (c) Nigeria

Answer: Option 3 – Nigeria.
• Dr. Iroro Tanshi (2026 Goldman Environmental Prize) representsNigeria(Afi Mountain bat conservation).
National Affairs and Government Initiatives · New government schemes and missions

Q11. Which organisation had released the operational guidelines for implementation of the BHAVYA Scheme aimed at developing investment-ready industrial parks across India in May 2026?

  1. (a) Department for Promotion of Industry and Internal Trade
  2. (b) Department for Manufacturing and Industrial Enterprise Development
  3. (c) Department for Industrial Infrastructure and Investment Promotion
  4. (d) Department for Development of Industrial Trade and Commerce
Answer & solution

Answer: (a) Department for Promotion of Industry and Internal Trade

Answer: Option 1 – Department for Promotion of Industry and Internal Trade.
•DPIITreleased the operational guidelines for the BHAVYA Scheme (May 2026).
Awards and Honours - Current · National awards - current

Q12. Which of the following cricketers from Maharashtra received the Padma Shri in 2026?

  1. (a) Rohit Sharma
  2. (b) Hardik Pandya
  3. (c) Sachin Tendulkar
  4. (d) Shikhar Dhawan
Answer & solution

Answer: (a) Rohit Sharma

Answer: Option 1 – Rohit Sharma.
• CricketerRohit Sharma(Maharashtra) received the Padma Shri in 2026.
Awards and Honours - Current · National awards - current

Q13. In early 2026, which legendary actor from Maharashtra was posthumously recognized for his significant contributions to Indian commercial and parallel cinema by receiving the Padma Vibhushan in Art?

  1. (a) Shri Dharmendra Singh Deol
  2. (b) Shri Dilip Prabhavalkar
  3. (c) Shri Amol Palekar
  4. (d) Shri Nana Patekar
Answer & solution

Answer: (a) Shri Dharmendra Singh Deol

Answer: Option 1 – Shri Dharmendra Singh Deol.
• Veteran actorDharmendrawas posthumously honoured with the Padma Vibhushan in Art (early 2026).
National Affairs and Government Initiatives · National events and launches

Q14. What was the name of the app launched by Union Minister Kiren Rijiju under the PMJVK Scheme during the National Chintan Shivir held at Nalanda University, Rajgir, Bihar, in February 2026?

  1. (a) SAMVAD App
  2. (b) PRAGATI App
  3. (c) UMEED App
  4. (d) NIGRANI App
Answer & solution

Answer: (d) NIGRANI App

Answer: Option 4 – NIGRANI App.
• Kiren Rijiju launched theNIGRANI Appunder the PMJVK Scheme (Feb 2026, Nalanda University).
Defence and Security - Current · Defence acquisitions and indigenous systems

Q15. What was the name of the weapon whose maiden flight-trial had been successfully conducted by DRDO and the Indian Air Force off the coast of Odisha in May 2026?

  1. (a) Tactical Advanced Range Augmentation
  2. (b) Indigenous Air Strike Augmentation System
  3. (c) Precision Range Extension Weapon
  4. (d) Advanced Tactical Glide System
Answer & solution

Answer: (a) Tactical Advanced Range Augmentation

Answer: Option 1 – Tactical Advanced Range Augmentation.
• DRDO and the IAF conducted the maiden flight-trial of this weapon off the Odisha coast (May 2026).
Economy, Banking and Business · RBI and banking updates

Q16. What was the key outcome of the RBI’s Monetary Policy Committee meeting in October 2025?

  1. (a) An increase in the repo rate to 6.5% to curb inflation.
  2. (b) The introduction of a 25 basis points Cash Reserve Ratio (CRR) hike.
  3. (c) A decision to keep the repo rate unchanged at 5.50%.
  4. (d) A reduction in the repo rate to 5.25% to boost credit flow.
Answer & solution

Answer: (c) A decision to keep the repo rate unchanged at 5.50%.

Answer: Option 3 – A decision to keep the repo rate unchanged at 5.50%.
• The RBI MPC (Oct 2025) kept the repo rate unchanged at5.50%.
Science, Technology and Space - Current · Space missions - current

Q17. The EOS-N1 satellite, carried by the PSLV-C62 mission in January 2026, was developed by which organisation?

  1. (a) Defence Research and Development Organisation
  2. (b) National Aerospace Laboratories
  3. (c) Bharat Electronics Limited
  4. (d) Indian Space Research Organisation
Answer & solution

Answer: (a) Defence Research and Development Organisation

Answer: Option 1 – Defence Research and Development Organisation.
• The EOS-N1 satellite (PSLV-C62, Jan 2026) was developed byDRDO.
National Affairs and Government Initiatives · National events and launches

Q18. India’s flagship global textile event ‘Bharat Tex 2026’ will be held in:

  1. (a) New Delhi
  2. (b) Bengaluru
  3. (c) Mumbai
  4. (d) Ahmedabad
Answer & solution

Answer: (a) New Delhi

Answer: Option 1 – New Delhi.
•Bharat Tex 2026will be held inNew Delhi.

Polity (1)

Special Provisions, Official Language and Miscellaneous Provisions · Special provisions for SCs, STs and backward classes (Articles 330-342)

Q19. According to the Supreme Court ruling in 2026, Scheduled Caste status had been restricted to followers of which religions under the Constitution (Scheduled Castes) Order, 1950?

  1. (a) Hinduism, Jainism and Christianity
  2. (b) Sikhism, Islam and Buddhism
  3. (c) Hinduism, Sikhism and Buddhism
  4. (d) Hinduism, Christianity and Buddhism
Answer & solution

Answer: (c) Hinduism, Sikhism and Buddhism

Answer: Option 3 – Hinduism, Sikhism and Buddhism.
• Under the Constitution (Scheduled Castes) Order 1950, SC status is limited toHindus, Sikhs and Buddhists.

Physics (9)

Light - Refraction and Lenses · Convex lens - image formation and uses

Q20. Which statement best describes the image formed by a convex lens when the object is placed between the focal point and the optical center of the lens?

  1. (a) The image is virtual, inverted and smaller than the object.
  2. (b) The image is real, upright and larger than the object.
  3. (c) The image is real, inverted and smaller than the object.
  4. (d) The image is virtual, upright and larger than the object.
Answer & solution

Answer: (d) The image is virtual, upright and larger than the object.

Answer: Option 4 – Virtual, upright and larger than the object.
• For a convex lens with the objectbetween F and the optical centre, the image isvirtual, erect and magnified(magnifying-glass action).
Magnetism and Magnetic Effects of Current · Magnetic field due to current (Oersted, right-hand thumb rule)

Q21. A student wants to increase the magnetic field strength around a straight conductor carrying current. Which combination of changes will most effectively achieve this?

  1. (a) Keeping the current constant and changing the observation point to any location.
  2. (b) Decreasing the current and moving the observation point farther from the conductor.
  3. (c) Increasing the current and bringing the observation point closer to the conductor.
  4. (d) Increasing the current while moving the observation point farther away.
Answer & solution

Answer: (c) Increasing the current and bringing the observation point closer to the conductor.

Answer: Option 3 – Increasing the current and bringing the observation point closer.
• Magnetic field B ∝ I and ∝ 1/r, somore current + smaller distancegives the strongest field.
Sound and Waves · Reflection of sound, echo and reverberation

Q22. Which of the following best describes an echo in the context of sound propagation and reflection?

  1. (a) An echo is a continuous sound produced by a vibrating object.
  2. (b) An echo is a change in the pitch of a sound due to distance from the source.
  3. (c) An echo is a reflected sound heard distinctly after the original sound.
  4. (d) An echo is a louder sound produced when sound reflects from a wall.
Answer & solution

Answer: (c) An echo is a reflected sound heard distinctly after the original sound.

Answer: Option 3 – A reflected sound heard distinctly after the original sound.
• Anechois a reflected sound heard separately after the direct sound (needs a time gap ≥ 0.1 s).
Work, Energy and Power · Work and its sign

Q23. Which of the following situations correctly illustrates the scientific definition of work in physics?

  1. (a) A person holds a book stationary above their head
  2. (b) A person lifts a box from the floor onto a table
  3. (c) A person pushes against a wall but the wall does not move
  4. (d) A person walks with a backpack at constant speed
Answer & solution

Answer: (b) A person lifts a box from the floor onto a table

Answer: Option 2 – A person lifts a box from the floor onto a table.
• Work is done only with force AND displacement in its direction; lifting a box does both.
Force and Laws of Motion · Newton's second law and momentum

Q24. A student pushes two carts, one heavy and one light, with the same force. According to Newton's second law, what will happen to their accelerations?

  1. (a) Both carts will accelerate equally
  2. (b) The lighter cart will accelerate more than the heavier cart
  3. (c) The heavier cart will move with zero acceleration
  4. (d) The heavier cart will accelerate more than the lighter cart
Answer & solution

Answer: (b) The lighter cart will accelerate more than the heavier cart

Answer: Option 2 – The lighter cart will accelerate more.
• a = F/m. For the same force, thesmaller mass gets larger acceleration.
Sound and Waves · Numericals on sound and waves

Q25. A certain sound wave has a frequency of 400 Hz. What is the time period for this wave?

  1. (a) 0.25 seconds
  2. (b) 0.0025 seconds
  3. (c) 0.025 seconds
  4. (d) 0.05 seconds
Answer & solution

Answer: (b) 0.0025 seconds

Answer: Option 2 – 0.0025 seconds.
• T = 1/f = 1/400 =0.0025 s.
Motion · Speed and velocity

Q26. Two objects, Object P and Object Q, move along a straight road. Object P travels 20 meters every 2 seconds, while Object Q covers 20 meters in the first 2 seconds and 30 meters in the next 2 seconds. Which statement is correct about their motions?

  1. (a) Object P is in uniform motion, while Object Q is in non-uniform motion.
  2. (b) Both objects are in non-uniform motion.
  3. (c) Object P is in non-uniform motion, while Object Q is in uniform motion.
  4. (d) Both objects are in uniform motion.
Answer & solution

Answer: (a) Object P is in uniform motion, while Object Q is in non-uniform motion.

Answer: Option 1 – Object P is in uniform motion, while Object Q is in non-uniform motion.
• P covers equal distances (20 m) in equal times ⇒ uniform. Q covers 20 m then 30 m ⇒ non-uniform.
Work, Energy and Power · Simple machines and levers

Q27. Which observation would provide the strongest evidence that a machine is a fixed pulley?

  1. (a) The machine stores energy while lifting.
  2. (b) The effort and load move in opposite directions.
  3. (c) The load becomes lighter during lifting.
  4. (d) The applied force is smaller than the load.
Answer & solution

Answer: (b) The effort and load move in opposite directions.

Answer: Option 2 – The effort and load move in opposite directions.
• Afixed pulleyonly changes force direction (MA = 1); effort and load move oppositely.
Electricity · Numericals on electricity

Q28. An electric kettle has a resistance of 10 ohms and is connected to a 220 V supply. For 5 minutes of operation, how much charge flows through it?

  1. (a) 6600 C
  2. (b) 1100 C
  3. (c) 13200 C
  4. (d) 2200 C
Answer & solution

Answer: (a) 6600 C

Answer: Option 1 – 6600 C.
• I = V/R = 220/10 = 22 A; t = 5 min = 300 s. Charge Q = I×t = 22×300 =6600 C.

Chemistry (6)

Structure of Atom · Isotopes, isobars and isotones

Q29. Which of the following statements is CORRECT?

  1. (a) For an element, mass number is double of atomic number.
  2. (b) The three isotopes of hydrogen namely protium, deuterium and tritium have same number of protons.
  3. (c) The two isotopes of carbon have same mass number.
  4. (d) Atomic number is equal to number of nucleons.
Answer & solution

Answer: (b) The three isotopes of hydrogen namely protium, deuterium and tritium have same number of protons.

Answer: Option 2 – Protium, deuterium and tritium have the same number of protons.
• Isotopes of hydrogen all have1 proton(same atomic number); they differ in neutrons.
Carbon and its Compounds · Bonding in carbon and catenation

Q30. Which of the following substances does NOT contain carbon in its chemical composition?

  1. (a) DNA
  2. (b) Proteins
  3. (c) Water
  4. (d) Carbohydrates
Answer & solution

Answer: (c) Water

Answer: Option 3 – Water.
•Water (H₂O)has no carbon; DNA, proteins and carbohydrates are all carbon compounds.
Periodic Classification of Elements · Element facts (names, symbols, atomic numbers)

Q31. Which rule for writing chemical symbols is correct?

  1. (a) First letter capital only
  2. (b) Both letters capitalised
  3. (c) Letters written in italics
  4. (d) Second letter capital only
Answer & solution

Answer: (a) First letter capital only

Answer: Option 1 – First letter capital only.
• A chemical symbol has thefirst letter capital and the second (if any) small(e.g. Na, Cl).
Metals and Non-metals · Ionic compounds and their properties

Q32. Which of the following best explains why sodium chloride is solid at room temperature?

  1. (a) It has metallic bonding between atoms.
  2. (b) It forms molecules held by covalent bonds.
  3. (c) It is held together by weak van der Waals forces.
  4. (d) It has a strong electrostatic attraction between ions.
Answer & solution

Answer: (d) It has a strong electrostatic attraction between ions.

Answer: Option 4 – It has a strong electrostatic attraction between ions.
• NaCl is an ionic solid held bystrong electrostatic (ionic) forces, giving a high melting point.
Mixtures, Solutions and Separation · Homogeneous and heterogeneous mixtures

Q33. Which of the following combinations forms a homogeneous mixture when combined in water?

  1. (a) Iron filings and sulfur
  2. (b) Oil and water
  3. (c) Salt and water
  4. (d) Sugar and sand
Answer & solution

Answer: (c) Salt and water

Answer: Option 3 – Salt and water.
•Salt in waterforms a homogeneous mixture (true solution); the others are heterogeneous.
Carbon and its Compounds · Biomolecules - chemistry (carbohydrates, proteins, fats)

Q34. Which of the following compounds contains both an amine and a carboxyl functional group?

  1. (a) Ethanol
  2. (b) Ethanal
  3. (c) Propanone
  4. (d) Glycine
Answer & solution

Answer: (d) Glycine

Answer: Option 4 – Glycine.
•Glycineis an amino acid, containing both –NH₂ (amine) and –COOH (carboxyl) groups.

Biology (7)

Nutrition and Digestion · Minerals - sources, functions and deficiency

Q35. _______ is necessary for the thyroid gland to make thyroxine hormone.

  1. (a) Calcium
  2. (b) Vitamin D
  3. (c) Iodine
  4. (d) Iron
Answer & solution

Answer: (c) Iodine

Answer: Option 3 – Iodine.
•Iodineis essential for the thyroid to make thyroxine; its deficiency causes goitre.
Reproduction · Human female reproductive system and menstrual cycle

Q36. While males produce millions of sperm, females usually produce only __________ mature egg(s) every month in humans.

  1. (a) Thousands
  2. (b) A few hundred
  3. (c) One
  4. (d) Zero
Answer & solution

Answer: (c) One

Answer: Option 3 – One.
• Human females usually releaseonemature egg each month.
Diversity and Classification of Living Organisms · Animal kingdom - chordates and vertebrate classes

Q37. A wildlife veterinarian observes that a certain animal can maintain a large body size and perform complex behaviors. Which structural attribute is most vital for these traits?

  1. (a) External tentacles for movement
  2. (b) Vertebral column for support
  3. (c) Protective rigid outer covering
  4. (d) Simple single-celled structure
Answer & solution

Answer: (b) Vertebral column for support

Answer: Option 2 – Vertebral column for support.
• Avertebral column (backbone)supports a large body and complex behaviour in vertebrates.
Reproduction · Human female reproductive system and menstrual cycle

Q38. A 13-year-old girl starts menstruating but has irregular cycles for the first year. Which underlying factor most likely contributes to this pattern according to reproductive maturity?

  1. (a) Constant egg release
  2. (b) Immature hormonal regulation
  3. (c) Fully developed uterus
  4. (d) Fully matured ovaries
Answer & solution

Answer: (b) Immature hormonal regulation

Answer: Option 2 – Immature hormonal regulation.
• In the first year after menarche,hormonal control is still immature, so cycles are irregular.
Ecology and Environment · Pollution - effects on living beings

Q39. In a food chain, the maximum concentration of non-biodegradable pollutants would be found in:

  1. (a) Producers
  2. (b) Decomposers
  3. (c) Top carnivores
  4. (d) Herbivores
Answer & solution

Answer: (c) Top carnivores

Answer: Option 3 – Top carnivores.
• Non-biodegradable pollutants biomagnify, reaching maximum concentration intop carnivores.
Human Physiology - Respiration, Circulation and Excretion · Human respiratory system

Q40. Which of the following does NOT occur during inhalation in human beings?

  1. (a) The diaphragm flattens downward
  2. (b) The chest cavity expands
  3. (c) Blood releases oxygen
  4. (d) Air enters the lungs
Answer & solution

Answer: (c) Blood releases oxygen

Answer: Option 3 – Blood releases oxygen.
• During inhalation, bloodtakes up (not releases) oxygen; the diaphragm flattens, chest expands, air enters.
Ecology and Environment · Food chains and food webs

Q41. In a food web, herbivores are generally:

  1. (a) Secondary consumers
  2. (b) Primary consumers
  3. (c) Decomposers
  4. (d) Producers
Answer & solution

Answer: (b) Primary consumers

Answer: Option 2 – Primary consumers.
• Herbivores eat producers, so they areprimary consumers.
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