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RRB Group D 2025-26 10 August 2026 Shift 1 GK Questions – with answers & solutions

All 43 GK / GS questions asked in RRB Group D 2025-26 on 10 August 2026 Shift 1, with correct answers and short solutions, subject-wise: Current Affairs, Polity, Economics, Biology, Chemistry, Physics.

📚 43 questions🗓️ 10 August 2026⏰ Shift 1
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Subjects: Current Affairs (17) · Polity (1) · Economics (1) · Biology (7) · Chemistry (7) · Physics (9) · Geography (1)

Current Affairs (17)

Economy, Banking and Business · RBI and banking updates

Q1. In April 2026, the RBI issued directions for implementing the Standardised Approach (SA) for Credit Risk, aligning with Basel III finalization norms. What is the primary implementation date set for banks to comply with this new capital charge framework?

  1. (a) March 31, 2028
  2. (b) January 1, 2026
  3. (c) April 1, 2027
  4. (d) October 1, 2026
Answer & solution

Answer: (c) April 1, 2027

Answer: Option 3 — April 1, 2027
The RBI's Standardised Approach for Credit Risk (Basel III) applies from1 April 2027→ Option 3. *(Verify against the official key.)*

Q2. Who among the following is the author of the book ‘Zubeen Garg: The Voice that Bridged Worlds’ published in May 2026?

  1. (a) Prosenjit Nath
  2. (b) Parismita Singh
  3. (c) Anuradha Sharma
  4. (d) Jahnavi Barua
Answer & solution

Answer: (a) Prosenjit Nath

Answer: Option 1 — Prosenjit Nath
'Zubeen Garg: The Voice that Bridged Worlds' is byProsenjit Nath→ Option 1. *(Verify against the official key.)*
International Affairs and Summits · International organisations - current

Q3. In May 2026, which international body formally backed a landmark International Court of Justice (ICJ) advisory opinion, stating that countries have a legal obligation to reduce greenhouse gas emissions?

  1. (a) The World Trade Organization
  2. (b) The International Criminal Court
  3. (c) The UN Security Council
  4. (d) The UN General Assembly
Answer & solution

Answer: (d) The UN General Assembly

Answer: Option 4 — The UN General Assembly
TheUN General Assemblybacked the ICJ climate advisory opinion → Option 4.
International Affairs and Summits · Summits and conferences

Q4. The India AI Impact Summit 2026, the first global AI summit hosted in the Global South and set a Guinness World Record for the most AI responsibility pledges received in 24 hours, was held at which venue in New Delhi?

  1. (a) Bharat Mandapam
  2. (b) Jawaharlal Nehru Stadium
  3. (c) India International Centre
  4. (d) Vigyan Bhawan
Answer & solution

Answer: (a) Bharat Mandapam

Answer: Option 1 — Bharat Mandapam
The India AI Impact Summit 2026 was held atBharat Mandapam, New Delhi→ Option 1.
Reports, Indices and Rankings · Global indices and India's rank

Q5. What was India's rank in the Global Peace Index (GPI) 2025?

  1. (a) 114
  2. (b) 115
  3. (c) 113
  4. (d) 112
Answer & solution

Answer: (b) 115

Answer: Option 2 — 115
India ranked115thin the Global Peace Index 2025 → Option 2. *(Verify against the official key.)*
Sports - Current · Venues and hosts

Q6. In which of the following states was the Bholath Hockey Cup held in March 2026?

  1. (a) Uttar Pradesh
  2. (b) Haryana
  3. (c) Rajasthan
  4. (d) Punjab
Answer & solution

Answer: (d) Punjab

Answer: Option 4 — Punjab
The Bholath Hockey Cup was held inPunjab→ Option 4.
Science, Technology and Space - Current · Space missions - current

Q7. What is the location where ISRO (Indian Space Research Organisation) has undertaken mission MITRA in April 2026?

  1. (a) Shimla, Himachal Pradesh
  2. (b) Srinagar, Jammu and Kashmir
  3. (c) Leh, Union Territory of Ladakh
  4. (d) Dehradun, Uttarakhand
Answer & solution

Answer: (c) Leh, Union Territory of Ladakh

Answer: Option 3 — Leh, Ladakh
ISRO's Mission MITRA (Apr 2026) was undertaken atLeh, Ladakh→ Option 3. *(Verify against the official key.)*
Sports - Current · Records and achievements

Q8. Who created tennis history at the 2026 Australian Open by becoming the youngest male player ever to complete the career Grand Slam in singles?

  1. (a) Jannik Sinner
  2. (b) Casper Ruud
  3. (c) Alexander Zverev
  4. (d) Carlos Alcaraz
Answer & solution

Answer: (d) Carlos Alcaraz

Answer: Option 4 — Carlos Alcaraz
Carlos Alcarazbecame the youngest man to complete a career Grand Slam (2026 Australian Open) → Option 4. *(Verify against the official key.)*
Economy, Banking and Business · Budget and economic data - current

Q9. Which state reported the highest GST growth among all states in India for the financial year 2025–26, recording a 28.4% increase in collections amounting to ₹845 crore?

  1. (a) Sikkim
  2. (b) Meghalaya
  3. (c) Nagaland
  4. (d) Arunachal Pradesh
Answer & solution

Answer: (c) Nagaland

Answer: Option 3 — Nagaland
Nagalandrecorded the highest state GST growth (28.4%) in FY 2025–26 → Option 3. *(Verify against the official key.)*
Environment and Climate - Current · New protected areas and Ramsar sites

Q10. Which of the following bird sanctuaries was included in the list of Ramsar sites in January 2026?

  1. (a) Nagi Bird Sanctuary
  2. (b) Vedanthangal Bird Sanctuary
  3. (c) Patna Bird Sanctuary
  4. (d) Chilika Bird Sanctuary
Answer & solution

Answer: (c) Patna Bird Sanctuary

Answer: Option 3 — Patna Bird Sanctuary
Patna Bird Sanctuarywas added to the Ramsar list in Jan 2026 → Option 3. *(Verify against the official key.)*
Awards and Honours - Current · National awards - current

Q11. For which of the following sports did Vijay Amritraj receive the Padma Bhushan in the 2026 investiture ceremony at Rashtrapati Bhavan?

  1. (a) Tennis
  2. (b) Cricket
  3. (c) Chess
  4. (d) Badminton
Answer & solution

Answer: (a) Tennis

Answer: Option 1 — Tennis
Vijay Amritrajreceived the Padma Bhushan forTennis→ Option 1.
Defence and Security - Current · Defence acquisitions and indigenous systems

Q12. DRDO successfully demonstrated Solid Fuel Ducted Ramjet (SFDR) technology on February 3, 2026, from which test range, placing India in an elite league of nations capable of developing long-range air-to-air missiles?

  1. (a) Abdul Kalam Island, Odisha
  2. (b) Suryalanka Air Force Station, Andhra Pradesh
  3. (c) Pokhran Test Range, Rajasthan
  4. (d) Integrated Test Range (ITR), Chandipur, Odisha
Answer & solution

Answer: (d) Integrated Test Range (ITR), Chandipur, Odisha

Answer: Option 4 — Integrated Test Range (ITR), Chandipur, Odisha
DRDO tested the SFDR fromITR, Chandipur(Feb 2026) → Option 4.
Science, Technology and Space - Current · Space missions - current

Q13. Which of the following satellites was successfully launched during the 5th operational flight (LVM3-M5) of the LVM3 launch vehicle in November 2025?

  1. (a) INSAT-3DS
  2. (b) CMS-02
  3. (c) CMS-03
  4. (d) GSAT-24
Answer & solution

Answer: (c) CMS-03

Answer: Option 3 — CMS-03
LVM3-M5 (Nov 2025) launchedCMS-03→ Option 3. *(Verify against the official key.)*
Sports - Current · Venues and hosts

Q14. The 23rd edition of the FIFA World Cup, scheduled to be held in June and July 2026, is historically significant for being co-hosted by which group of nations?

  1. (a) Japan, South Korea, and Australia
  2. (b) Canada, Mexico, and the United States
  3. (c) Brazil, Argentina, and Uruguay
  4. (d) Germany, France, and the Netherlands
Answer & solution

Answer: (b) Canada, Mexico, and the United States

Answer: Option 2 — Canada, Mexico, and the United States
The 2026 FIFA World Cup is co-hosted byCanada, Mexico and the USA→ Option 2.
Awards and Honours - Current · National awards - current

Q15. Which domestic enforcement or emergency branch under the Ministry of Home Affairs secured the largest majority share of the 101 President's Medals for Distinguished Service (PSM) declared on Republic Day 2026?

  1. (a) Fire Service
  2. (b) Correctional Service
  3. (c) Civil Defence & Home Guard Service
  4. (d) Police Service
Answer & solution

Answer: (d) Police Service

Answer: Option 4 — Police Service
ThePolice Servicewon the largest share of the President's Medals for Distinguished Service (Republic Day 2026) → Option 4. *(Verify against the official key.)*
National Affairs and Government Initiatives · National events and launches

Q16. During a seminar held in January 2026 at Kalinga Institute of Social Sciences (KISS), Bhubaneswar, the localisation of Sustainable Development Goals (SDGs) was linked to which national vision?

  1. (a) Atmanirbhar Bharat
  2. (b) Viksit Bharat
  3. (c) Make in India
  4. (d) Digital India
Answer & solution

Answer: (b) Viksit Bharat

Answer: Option 2 — Viksit Bharat
SDG localisation at the KISS seminar was linked toViksit Bharat→ Option 2.

Q17. ‘Mahatma: A Great Communicator’ published in 2026 is written by which Indian author?

  1. (a) Amish Tripathi
  2. (b) Dr. Dhiraj Kakadia
  3. (c) Shashi Tharoor
  4. (d) Vikram Seth
Answer & solution

Answer: (b) Dr. Dhiraj Kakadia

Answer: Option 2 — Dr. Dhiraj Kakadia
'Mahatma: A Great Communicator' (2026) is byDr. Dhiraj Kakadia→ Option 2. *(Verify against the official key.)*

Polity (1)

Polity Miscellaneous · Important acts and rights laws (RTI, RTE, etc.)

Q18. Which legislation is primarily associated with the SHe-Box platform highlighted in government communications during 2026?

  1. (a) Sexual Harassment of Women at Workplace Act, 2013
  2. (b) Dowry Prohibition Act, 1961
  3. (c) Protection of Women from Domestic Violence Act, 2005
  4. (d) Prohibition of Child Marriage Act, 2006
Answer & solution

Answer: (a) Sexual Harassment of Women at Workplace Act, 2013

Answer: Option 1 — Sexual Harassment of Women at Workplace Act, 2013
The SHe-Box portal implements thePOSH Act, 2013→ Option 1.

Economics (1)

Public Finance - Budget and Taxation · Union Budget - latest highlights

Q19. What major AYUSH infrastructure initiative was announced in the Union Budget 2026–27 to strengthen India's position as a global centre for traditional medicine?

  1. (a) Closing the WHO Traditional Medicine Centre to upgrade private facilities
  2. (b) Banning the export of all Ayurvedic products to ensure domestic supply
  3. (c) Establishing three new All India Institutes of Ayurveda
  4. (d) Shifting AYUSH funding entirely to state governments
Answer & solution

Answer: (c) Establishing three new All India Institutes of Ayurveda

Answer: Option 3 — Establishing three new All India Institutes of Ayurveda
The Budget 2026–27 announcedthree new AIIAs→ Option 3. *(Verify against the official key.)*

Biology (7)

Control and Coordination · Plant hormones and tropic movements

Q20. Which environmental factor causes a plant shoot to bend toward a window?

  1. (a) Water
  2. (b) Gravity
  3. (c) Light
  4. (d) Temperature
Answer & solution

Answer: (c) Light

Answer: Option 3 — Light
A shoot bending toward a window showsphototropism— growth towardlight→ Option 3.
Ecology and Environment · Sustainable development and Earth's spheres

Q21. Which of the following combinations best supports sustainable development?

  1. (a) Overuse of water + plastic production
  2. (b) Industrial expansion + waste dumping
  3. (c) Fossil fuels + deforestation
  4. (d) Renewable energy + tree plantation
Answer & solution

Answer: (d) Renewable energy + tree plantation

Answer: Option 4 — Renewable energy + tree plantation
Renewable energy and tree plantationsupport sustainable development → Option 4.
Plant Physiology and Morphology · Transport in plants (xylem, phloem)

Q22. Which process would be directly affected if a plant's phloem were blocked during spring?

  1. (a) Water transport from roots to leaves would decrease
  2. (b) Leaves would be unable to perform gas exchange
  3. (c) Roots would not absorb sufficient nutrients from soil
  4. (d) Buds would fail to receive sugars needed for growth
Answer & solution

Answer: (d) Buds would fail to receive sugars needed for growth

Answer: Option 4 — Buds would fail to receive sugars needed for growth
Phloem transports sugars; if blocked,buds don't get sugarsfor spring growth → Option 4.
Reproduction · Human female reproductive system and menstrual cycle

Q23. Match the following.
[TABLE]
Column I | Column II
1. Ovary | a. Site of foetal development
2. Fallopian tube | b. Release of eggs and hormones
3. Uterus | c. Site where fertilisation occurs
[/TABLE]

  1. (a) 1–b, 2–c, 3–a
  2. (b) 1–c, 2–b, 3–a
  3. (c) 1–b, 2–a, 3–c
  4. (d) 1–a, 2–c, 3–b
Answer & solution

Answer: (a) 1–b, 2–c, 3–a

Answer: Option 1 — 1–b, 2–c, 3–a
Matching per the given lists gives1–b, 2–c, 3–a→ Option 1. (Per the paper's matching table.)
Diseases, Immunity and Health · Drug and alcohol abuse

Q24. Which disease involves the uncontrolled growth of abnormal cells in the lungs due to smoking?

  1. (a) Emphysema
  2. (b) Lung cancer
  3. (c) Bronchitis
  4. (d) Asthma
Answer & solution

Answer: (b) Lung cancer

Answer: Option 2 — Lung cancer
Uncontrolled abnormal cell growth in the lungs due to smoking islung cancer→ Option 2.
Tissues · Meristematic tissues

Q25. A student observes a plant cell under a microscope and notes it has a prominent nucleus, dense cytoplasm, and no visible vacuoles. Which of the following is the most likely function of this cell?

  1. (a) Storing water and nutrients
  2. (b) Active cell division and growth
  3. (c) Transporting water and minerals
  4. (d) Providing structural support
Answer & solution

Answer: (b) Active cell division and growth

Answer: Option 2 — Active cell division and growth
Dense cytoplasm, prominent nucleus and no vacuoles indicate ameristematic (dividing) cell→ Option 2.

Q26. Which process in animals takes place in the absence of oxygen and releases a smaller amount of energy?

  1. (a) Transpiration
  2. (b) Anaerobic respiration
  3. (c) Aerobic respiration
  4. (d) Photosynthesis
Answer & solution

Answer: (b) Anaerobic respiration

Answer: Option 2 — Anaerobic respiration
Anaerobic respirationoccurs without oxygen and releases less energy → Option 2.

Chemistry (7)

Acids, Bases and Salts · Properties of bases and alkalis

Q27. When a metal oxide reacts with an acid, it forms:

  1. (a) salt and water as final products
  2. (b) acid and metal oxide mixture only
  3. (c) carbon dioxide and hydrogen gas
  4. (d) salt and hydrogen gas evolution
Answer & solution

Answer: (a) salt and water as final products

Answer: Option 1 — salt and water as final products
Metal oxide (basic) + acid →salt + water→ Option 1.
Metals and Non-metals · Metallurgy - extraction and refining

Q28. During the extraction of metals, the sulphide ores are converted into oxides by heating strongly in the presence of excess air. This process is known as:

  1. (a) elimination
  2. (b) calcination
  3. (c) roasting
  4. (d) sulphonation
Answer & solution

Answer: (c) roasting

Answer: Option 3 — roasting
Heating a sulphide ore strongly inexcess airto form the oxide isroasting→ Option 3.
Atoms, Molecules and Mole Concept · Laws of chemical combination

Q29. In a chemical reaction, 12g of carbon reacts completely with 32g of oxygen to form carbon dioxide. If only 40g of carbon dioxide is collected, which of the following is the correct conclusion based on the Law of Conservation of Mass?

  1. (a) The reaction is incomplete because 4g of mass is unaccounted for.
  2. (b) Mass is always lost as energy, so the final mass decreases.
  3. (c) The law of conservation of mass does not apply to gas formation.
  4. (d) Carbon dioxide gas escaped during the reaction, so mass was not fully collected.
Answer & solution

Answer: (d) Carbon dioxide gas escaped during the reaction, so mass was not fully collected.

Answer: Option 4 — CO₂ gas escaped during the reaction, so mass was not fully collected
12 + 32 = 44 g should form; only 40 g collected because someCO₂ gas escaped(mass is still conserved) → Option 4.
Chemical Reactions and Equations · Combination reactions

Q30. Which observation confirms that a reaction is a combination reaction?

  1. (a) Gas is evolved during reaction
  2. (b) Temperature decreases suddenly
  3. (c) Only one new substance is produced
  4. (d) Colour of reactants changes
Answer & solution

Answer: (c) Only one new substance is produced

Answer: Option 3 — Only one new substance is produced
A combination reaction formsa single productfrom two or more reactants → Option 3.
Mixtures, Solutions and Separation · Suspensions and colloids

Q31. What occurs to the particles in the suspension when we shake it?

  1. (a) It dissolves permanently
  2. (b) It forms a new substance
  3. (c) It mixes temporarily and then settles
  4. (d) It remains settled
Answer & solution

Answer: (c) It mixes temporarily and then settles

Answer: Option 3 — It mixes temporarily and then settles
Shaking a suspension mixes it briefly, then particlessettleagain → Option 3.
Carbon and its Compounds · Chemical properties of carbon compounds (combustion, oxidation, addition, substitution)

Q32. Which of the following hydrocarbons undergo addition reactions with hydrogen?

  1. (a) Saturated hydrocarbons
  2. (b) Alicyclic hydrocarbons
  3. (c) Unsaturated hydrocarbons
  4. (d) Aromatic hydrocarbons
Answer & solution

Answer: (c) Unsaturated hydrocarbons

Answer: Option 3 — Unsaturated hydrocarbons
Unsaturated hydrocarbons(with double/triple bonds) undergo addition with hydrogen → Option 3.
Carbon and its Compounds · Bonding in carbon and catenation

Q33. Which of the following is an organic compound?

  1. (a) NaCl
  2. (b) CaCO₃
  3. (c) CH₃Cl
  4. (d) CO₂
Answer & solution

Answer: (c) CH₃Cl

Answer: Option 3 — CH₃Cl
CH₃Cl(chloromethane) is an organic (carbon-hydrogen) compound → Option 3.

Physics (9)

Electricity · Numericals on electricity

Q34. A heater is rated at 1000 W. If it is used for 2 hours, how much energy does it consume in kilowatt hours?

  1. (a) 1 kWh
  2. (b) 2 kWh
  3. (c) 0.5 kWh
  4. (d) 3 kWh
Answer & solution

Answer: (b) 2 kWh

Answer: Option 2 — 2 kWh
Energy = 1 kW × 2 h =2 kWh→ Option 2.
Light - Refraction and Lenses · Convex lens - image formation and uses

Q35. If a ray of light passes through the optical center of a thin spherical lens, what is the path of the emergent ray?

  1. (a) It bends towards the principal axis
  2. (b) It is absorbed by the lens material
  3. (c) It reflects back along its original path
  4. (d) It continues in the same direction without deviation
Answer & solution

Answer: (d) It continues in the same direction without deviation

Answer: Option 4 — It continues in the same direction without deviation
A ray through theoptical centrepasses straight through, undeviated → Option 4.
Motion · Motion graphs (distance-time, velocity-time)

Q36. A velocity–time graph is represented by a straight line parallel to the time axis and lying above it. What does this indicate about the motion of the object?

  1. (a) The object is moving with constant velocity
  2. (b) The object is moving with decreasing velocity
  3. (c) The object is at rest
  4. (d) The object is moving with increasing velocity
Answer & solution

Answer: (a) The object is moving with constant velocity

Answer: Option 1 — The object is moving with constant velocity
A v–t line parallel to the time axis (above it) meansconstant velocity→ Option 1.
Light - Reflection and Mirrors · Concave mirror - image formation and uses

Q37. An object is placed at the center of curvature of a concave mirror. If the mirror is now partially covered with an opaque material, what change will occur in the image?

  1. (a) The image will remain at the same position but will become less bright
  2. (b) The image will disappear completely
  3. (c) The image will move farther from the mirror and become inverted
  4. (d) The image will shift closer to the mirror and become smaller
Answer & solution

Answer: (a) The image will remain at the same position but will become less bright

Answer: Option 1 — The image remains at the same position but becomes less bright
Covering part of a mirror still forms the full image at the same place, justdimmer→ Option 1.
Sound and Waves · Reflection of sound, echo and reverberation

Q38. Which of the following methods is commonly used to measure reverberation in a room?

  1. (a) Calculating the frequency of the sound wave
  2. (b) Counting the number of echoes heard
  3. (c) Measuring the speed of sound in the room
  4. (d) Timing how long sound persists after the source stops
Answer & solution

Answer: (d) Timing how long sound persists after the source stops

Answer: Option 4 — Timing how long sound persists after the source stops
Reverberation time = how long soundpersists after the source stops→ Option 4.
Electricity · Conductors, insulators and semiconductors

Q39. Why is copper commonly used for electrical wiring in homes?

  1. (a) It is magnetic
  2. (b) It is a poor conductor
  3. (c) It has a low melting point
  4. (d) It has low electrical resistance
Answer & solution

Answer: (d) It has low electrical resistance

Answer: Option 4 — It has low electrical resistance
Copper is used for wiring because of itslow electrical resistance(excellent conductor) → Option 4.
Sources of Energy · Classification of energy sources

Q40. A city is planning to build a new power plant and is choosing between several energy generation options. If the primary goal is to maximize the use of renewable and environmentally friendly energy, which option should the city select?

  1. (a) A utility-scale solar photovoltaic farm
  2. (b) A large-scale coal-fired facility
  3. (c) A conventional nuclear power complex
  4. (d) A high-capacity natural gas station
Answer & solution

Answer: (a) A utility-scale solar photovoltaic farm

Answer: Option 1 — A utility-scale solar photovoltaic farm
For maximum renewable, eco-friendly energy, choose asolar PV farm→ Option 1.
Work, Energy and Power · Simple machines and levers

Q41. A machine lifts a load of 600 N using an effort of 150 N. What is the mechanical advantage of the machine?

  1. (a) 5
  2. (b) 3
  3. (c) 2
  4. (d) 4
Answer & solution

Answer: (d) 4

Answer: Option 4 — 4
MA = load/effort = 600/150 =4→ Option 4.
Force and Laws of Motion · Newton's second law and momentum

Q42. If the same force is applied to two objects of different masses, what happens to their accelerations?

  1. (a) Both objects will have the same acceleration.
  2. (b) The object with more mass will have greater acceleration.
  3. (c) Acceleration depends only on the force, not on the mass.
  4. (d) The object with less mass will have greater acceleration.
Answer & solution

Answer: (d) The object with less mass will have greater acceleration.

Answer: Option 4 — The object with less mass will have greater acceleration
a = F/m; for the same force,smaller mass ⟹ greater acceleration→ Option 4.

Geography (1)

Atmosphere and Climate · Composition and layers of the atmosphere

Q43. A weather balloon rises from sea level to 15 km altitude. The point of the temperature reverse from decreasing to increasing, and reason for this change is:

  1. (a) At the base of the mesosphere due to air pressure changes
  2. (b) At the midpoint of the troposphere due to nitrogen distribution
  3. (c) At the start of the stratosphere due to ozone absorption of UV
  4. (d) At the top of the troposphere due to greenhouse gases
Answer & solution

Answer: (c) At the start of the stratosphere due to ozone absorption of UV

Answer: Option 3 — At the start of the stratosphere due to ozone absorption of UV
Temperature stops falling and rises at thestratosphere, where ozone absorbs UV → Option 3.
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