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RRB NTPC UG CBT-1 2025-26 14 June 2026 Shift 3 GK Questions – with answers & solutions

All 38 GK / GS questions asked in RRB NTPC UG CBT-1 2025-26 on 14 June 2026 Shift 3, with correct answers and short solutions, subject-wise: Geography, Computer, Current Affairs, Static GK, Polity, Economics.

📚 38 questions🗓️ 14 June 2026⏰ Shift 3
हिंदी में पढ़ें📥 Full paper PDF
Subjects: Geography (4) · Computer (4) · Current Affairs (9) · Static GK (4) · Polity (6) · Economics (1) · Chemistry (2) · Modern History (4) · Physics (2) · Ancient History (1) · Biology (1)

Geography (4)

World Geography · Continents - facts

Q1. Which continent is entirely in the Southern and Eastern Hemispheres?

  1. (a) Africa
  2. (b) Europe
  3. (c) Australia
  4. (d) Asia
Answer & solution

Answer: (c) Australia

Topic: Geography - Continents and Hemispheres
Southern Hemisphere: Below the Equator (0° latitude)
Eastern Hemisphere: East of Prime Meridian (0° longitude)
Analysis:
Africa: Crosses Equator (both hemispheres)
Europe: Northern Hemisphere only
Australia: Entirely below Equator (10°S to 44°S) and east of Prime Meridian
Asia: Crosses Equator (both hemispheres)
Answer: Option 3 → Australia
India - Climate, Soils and Natural Vegetation · Soil types and distribution

Q2. Which type of soil is most suitable for cotton cultivation in India?

  1. (a) Black Soil
  2. (b) Alluvial Soil
  3. (c) Red Soil
  4. (d) Laterite Soil
Answer & solution

Answer: (a) Black Soil

Cotton Cultivation in India
Black soil (Regur soil) is most suitable for cotton.
Key characteristics:
• High moisture retention capacity
• Rich in calcium, magnesium, and iron
• Self-plowing due to expansion-contraction
Found in: Maharashtra, Gujarat, Madhya Pradesh
Answer: Option 1 → Black Soil
India - Population and Census · Population density

Q3. According to the Census 2011, which of the following states has the highest population density among the northern Indian states?

  1. (a) Himachal Pradesh
  2. (b) Bihar
  3. (c) Uttarakhand
  4. (d) Rajasthan
Answer & solution

Answer: (b) Bihar

Topic:Census 2011 - Population Density
Population Density = Population / Area
Northern states density (persons/km²):
Bihar:1,102(highest in India)
Himachal Pradesh: 123
Uttarakhand: 189
Rajasthan: 201
Bihar has highest population density among northern states.
Answer: Option 2 → Bihar

Q4. Which of the following physiographic regions of India is primarily formed by the extensive deposition of alluvium brought by the Himalayan river systems?

  1. (a) The Northern Plains
  2. (b) The Peninsular Plateau
  3. (c) The Meghalaya Plateau
  4. (d) The Western Coastal Plains
Answer & solution

Answer: (a) The Northern Plains

Topic: Physiographic Regions of India
The Northern Plainsare formed by extensive deposition of alluvium brought by three major Himalayan river systems: Indus, Ganga, and Brahmaputra.
These plains extend from Punjab to Assam, covering approximately 7 lakh sq km.
The alluvial deposits are highly fertile, making this region agriculturally productive.
Other options: Peninsular Plateau is ancient crystalline rock, Meghalaya Plateau is part of peninsular block, Western Coastal Plains formed by sea action.
Answer: Option 1 → The Northern Plains

Computer (4)

Software, Operating Systems and Programming · File extensions and formats

Q5. In Windows, which file extension represents a dynamic-link library containing reusable code shared across applications?

  1. (a) .is
  2. (b) .dll
  3. (c) .tmp
  4. (d) .drv
Answer & solution

Answer: (b) .dll

Topic: Windows File Extensions
.dll= Dynamic-Link Library
Contains reusable code/functions shared by multiple programs.
Reduces memory usage and enables modular programming.
Other options:
.is = Installation script files
.tmp = Temporary files
.drv = Device driver files
Answer: Option 2 → .dll
Software, Operating Systems and Programming · Popular operating systems

Q6. The Windows 11 Task Manager helps monitor system resources to identify applications that are ___________ system performance.

  1. (a) degrading
  2. (b) enhancing
  3. (c) simplifying
  4. (d) stabilizing
Answer & solution

Answer: (a) degrading

Topic: Windows 11 Task Manager
Task Manager monitors CPU, Memory, Disk, and Network usage.
Primary purpose: Identify resource-heavy applications causing slowdowns or freezes.
It helps detect apps that aredegrading(reducing/worsening) system performance.
Answer: Option 1 → degrading
Software, Operating Systems and Programming · File extensions and formats

Q7. What is the purpose of using different file types with extensions in an operating system like MS Windows?

  1. (a) To allow the OS to determine which application should open the file
  2. (b) To hide file content and remove the content from file
  3. (c) To make file names longer and rename file
  4. (d) To increase file size and make changes in file
Answer & solution

Answer: (a) To allow the OS to determine which application should open the file

File Extensions in Operating Systems
File extensions (.txt, .docx, .jpg, .exe, etc.) serve as identifiers for file types.
Primary Purpose:
The OS uses extensions to associate files with appropriate applications.
Example:
.docx → Opens with MS Word
.jpg → Opens with Image Viewer
.pdf → Opens with PDF Reader
This allows automatic file handling without manual application selection.
Answer: Option 1 → To allow the OS to determine which application should open the file
Abbreviations and Miscellaneous · Computer abbreviations

Q8. Which of the following is the correct full form of LAN?

  1. (a) Low Area Net
  2. (b) Large Access Node
  3. (c) Local Area Network
  4. (d) Line Access Network
Answer & solution

Answer: (c) Local Area Network

Topic: Computer Networks
LANstands forLocal Area Network.
It is a network that connects computers within a limited area such as a home, school, office building, or closely positioned group of buildings.
Common examples: Office networks, Home Wi-Fi networks, School computer labs.
Answer: Option 3 → Local Area Network

Current Affairs (9)

Reports, Indices and Rankings · Reports and their publishers

Q9. What percentage of all detected trafficking victims in 2022 were children, as per the Global Report on Trafficking in Persons 2024?

  1. (a) 20%
  2. (b) 31%
  3. (c) 45%
  4. (d) 38%
Answer & solution

Answer: (d) 38%

Topic: Global Report on Trafficking in Persons 2024
The report is published byUNODC(United Nations Office on Drugs and Crime).
Key Finding: In 2022,38% of all detected trafficking victims were children.
This represents a significant proportion of global human trafficking cases.
Answer: Option 4 → 38%
International Affairs and Summits · Summits and conferences

Q10. Where was the 8ᵗʰ session of the Indian Ocean Conference held in February 2025?

  1. (a) New Delhi, India
  2. (b) Muscat, Oman
  3. (c) Colombo, Sri Lanka
  4. (d) Perth, Australia
Answer & solution

Answer: (b) Muscat, Oman

Indian Ocean Conference (IOC) - 8th Session
The 8th Indian Ocean Conference was held inMuscat, Omanin February 2025.
The IOC is an annual event focusing on maritime security, economic cooperation, and regional connectivity in the Indian Ocean region.
Previous sessions were held in various Indian Ocean rim countries to promote dialogue and collaboration.
Answer: Option 2 → Muscat, Oman
Reports, Indices and Rankings · National indices and rankings

Q11. In August 2025, which body released the first National Annual Report & Index on Women’s Safety (NARI 2025)?

  1. (a) Ministry of Women and Child Development
  2. (b) National Commission for Women
  3. (c) National Human Rights Commission
  4. (d) NITI Aayog
Answer & solution

Answer: (b) National Commission for Women

NARI 2025 (National Annual Report & Index on Women's Safety)
Released by:National Commission for Women (NCW)
Key Facts:
• First comprehensive index on women's safety in India
• Released in August 2025
• NCW is statutory body under Ministry of Women & Child Development
Answer: Option 2 → National Commission for Women

Q12. The Carriage of Goods by Sea Act, 2025, enforced from 10 September 2025, is primarily intended to:

  1. (a) Control marine pollution
  2. (b) Define carrier liability
  3. (c) Develop port infrastructure
  4. (d) Regulate vessel registration
Answer & solution

Answer: (b) Define carrier liability

The Carriage of Goods by Sea Act, 2025
Purpose: Modernizes legal framework for maritime cargo transport
Key Focus:Defines carrier liabilityfor loss/damage of goods during sea transport
Replaces: Indian Carriage of Goods by Sea Act, 1925
Aligns with: International maritime conventions (Hague-Visby Rules)
Answer: Option 2 → Define carrier liability
Sports - Current · Cricket - current

Q13. Which of the following teams won the Vijay Hazare Trophy in 2024-25?

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

Answer: (b) Karnataka

Vijay Hazare Trophy 2024-25
Final: Karnataka vs Vidarbha
Venue: Vadodara, January 18, 2025
Karnataka won by 4 wickets
Vidarbha: 245/10 (49.5 overs)
Karnataka: 246/6 (47.5 overs)
Answer: Option 2 → Karnataka
Science, Technology and Space - Current · Technology launches and AI

Q14. IRIS chip, developed by ISRO in partnership with IIT‑Madras, is designed for:

  1. (a) Gaming consoles
  2. (b) Commercial smartphones
  3. (c) Space applications with SHAKTI
  4. (d) Automotive systems
Answer & solution

Answer: (c) Space applications with SHAKTI

IRIS Chip Development
Developer:ISRO in partnership with IIT-Madras
Purpose:IRIS (Integrated Radiation-hardened Intelligent System) chip is specifically designed for space applications.
Integration:Works with SHAKTI processor family for space missions requiring radiation-hardened electronics.
Key Feature:Radiation-resistant design suitable for harsh space environment.
Answer: Option 3 → Space applications with SHAKTI
International Affairs and Summits · Global events and elections

Q15. In September 2025, 26 nations vowed to provide postwar security guarantees to which country?

  1. (a) Iran
  2. (b) Palestine
  3. (c) Ukraine
  4. (d) Poland
Answer & solution

Answer: (c) Ukraine

Topic: International Relations - Security Guarantees 2025
In September 2025, 26 nations pledged postwar security guarantees to Ukraine.
This commitment aims to ensure Ukraine's long-term security and stability following the ongoing conflict.
The guarantees are part of international efforts to support Ukraine's sovereignty and territorial integrity.
Answer: Option 3 → Ukraine
Art, Culture and Events - Current · Festivals and cultural events - current

Q16. In December 2025, in which of the following cities did the All Living Things Environmental Film Festival (ALT EFF) festival spark public dialogue on environmental issues through impactful films and discussions?

  1. (a) Jaipur
  2. (b) Patna
  3. (c) Ahmedabad
  4. (d) Bengaluru
Answer & solution

Answer: (d) Bengaluru

All Living Things Environmental Film Festival (ALT EFF) - December 2025
The festival was held inBengaluruto promote environmental awareness.
It featured impactful films and discussions on climate change, biodiversity, and sustainability.
The event aimed to spark public dialogue on pressing environmental issues.
Answer: Option 4 → Bengaluru
Science, Technology and Space - Current · Technology launches and AI

Q17. Which AI-enabled digital governance tool, integrated with BHASHINI, was introduced to generate structured minutes of Gram Sabha and Panchayat meetings from audio or video inputs, with multilingual support across 14 Indian languages?

  1. (a) Panchayat Digital Recorder System
  2. (b) Rural Governance Documentation Tool
  3. (c) GramLekha AI Platform
  4. (d) SabhaSaar
Answer & solution

Answer: (d) SabhaSaar

Topic: Digital Governance & AI Tools
SabhaSaaris an AI-enabled digital governance tool launched by the Ministry of Panchayati Raj.
Key Features:
• Integrated withBHASHINI(National Language Translation Mission)
• Converts audio/video of Gram Sabha meetings into structured minutes
• Supports14 Indian languagesfor multilingual accessibility
• Automates documentation of Panchayat proceedings
Purpose: Enhances transparency and efficiency in rural governance.
Answer: Option 4 → SabhaSaar

Static GK (4)

Music and Musical Instruments · Musical instruments and exponents

Q18. Select the correct match of the musician with their musical instrument.

  1. (a) Ravi Shankar – Bansuri
  2. (b) Zakir Hussain – Sitar
  3. (c) Shiv Kumar Sharma – Sarod
  4. (d) Bismillah Khan – Shehnai
Answer & solution

Answer: (d) Bismillah Khan – Shehnai

Famous Indian Musicians & Instruments:
Ravi Shankar →Sitar(not Bansuri)
Zakir Hussain →Tabla(not Sitar)
Shiv Kumar Sharma →Santoor(not Sarod)
Bismillah Khan →Shehnai✓
Bismillah Khan was a legendary Shehnai maestro, Bharat Ratna awardee.
Answer: Option 4 → Bismillah Khan – Shehnai

Q19. Which of the following goddesses is primarily worshipped during the Gangaur festival of Rajasthan?

  1. (a) Goddess Saraswati
  2. (b) Goddess Lakshmi
  3. (c) Goddess Parvati
  4. (d) Goddess Durga
Answer & solution

Answer: (c) Goddess Parvati

Topic:Gangaur Festival - Rajasthan
Gangauris a traditional festival celebrated in Rajasthan.
The festival is dedicated toGoddess Gauri (Parvati)and Lord Shiva.
Women worship Goddess Parvati for marital bliss and prosperity.
Celebrated mainly by married women for 18 days after Holi.
Answer: Option 3 → Goddess Parvati
Dances · Dance institutions and awards

Q20. Who among the following dancers received the ‘Abhinandan Saroja National Award, 2021’ from the National Institute of Indian Classical Dance?

  1. (a) Geetanjali Lal
  2. (b) Aparna Satheesan
  3. (c) Saswati Sen
  4. (d) Yamini Krishnamurthy
Answer & solution

Answer: (b) Aparna Satheesan

Abhinandan Saroja National Award, 2021
Awarded by:National Institute of Indian Classical Dance
Recipient:Aparna Satheesan
She is a renownedMohiniyattamdancer from Kerala.
The award recognizes excellence in Indian classical dance.
Answer: Option 2 → Aparna Satheesan
Dances · Classical dance exponents

Q21. Raja and Radha Reddy, who founded the Natya Tarangini Institute in New Delhi, are renowned exponents of which classical dance form?

  1. (a) Mohiniyattam
  2. (b) Sattriya
  3. (c) Kathak
  4. (d) Kuchipudi
Answer & solution

Answer: (d) Kuchipudi

Topic: Indian Classical Dance Forms
Raja and Radha Reddyare celebrated husband-wife duo from Andhra Pradesh.
They foundedNatya Tarangini Institutein New Delhi in 1963.
Kuchipudiis a classical dance form originating from Andhra Pradesh, known for its graceful movements and dramatic expressions.
The couple received numerous awards including Padma Shri and Padma Bhushan for their contribution to Kuchipudi.
Answer: Option 4 → Kuchipudi

Polity (6)

Preamble, Features, Parts and Schedules · Parts of the Constitution

Q22. Parliament, the legislative organ of the Union government, is mentioned in which part of the Constitution of India?

  1. (a) Part VI
  2. (b) Part V
  3. (c) Part VIII
  4. (d) Part VII
Answer & solution

Answer: (b) Part V

Topic: Constitutional Framework of Parliament
Part V of the Constitution deals with'The Union'
Chapter II of Part V specifically coversParliament
Articles 79-122 describe Parliament's composition, powers, procedures
Part VI → States (State Legislature)
Part VII → Repealed (States in Part B)
Part VIII → Union Territories
Answer: Option 2 → Part V
Parliament · Joint sitting

Q23. Joint Sitting of both the houses of the Parliament is summoned by:

  1. (a) Prime Minister of India
  2. (b) Speaker of Lok Sabha
  3. (c) Chairman Rajya Sabha
  4. (d) President of India
Answer & solution

Answer: (d) President of India

Topic: Joint Sitting of Parliament
Constitutional Provision: Article 108
Joint sitting is summoned by thePresident of Indiaon the advice of the government.
It is presided over by the Speaker of Lok Sabha.
Called when a deadlock occurs between Lok Sabha and Rajya Sabha on a bill.
Answer: Option 4 → President of India
Amendments and Important Articles · Amendment procedure (Article 368)

Q24. Which of the following provisions requires ratification by the legislatures of NOT less than half the States for amendment under Article 368(2), making it a 'rigid' feature?

  1. (a) Provisions related to citizenship acquisition and termination
  2. (b) Duration of the term of the Lok Sabha
  3. (c) Manner of election of the President of India
  4. (d) Composition of the Council of Ministers
Answer & solution

Answer: (c) Manner of election of the President of India

Article 368(2) - Special Amendment Procedure
Requires Parliament majority + ratification by at least half the State legislatures:
Key provisions covered:
• Election of President (Article 54)
• Extent of executive power of Union/States
• Supreme Court and High Courts
• Distribution of legislative powers
• Representation of States in Parliament
Analysis of options:
Option 1: Citizenship - Simple majority only
Option 2: Lok Sabha term - Simple majority only
Answer: Option 3 → Manner of election of the President of India
DPSP and Fundamental Duties · Swaran Singh Committee and 42nd/86th amendments

Q25. Fundamental Duties of the citizens were enumerated by the 42nd Amendment of the Constitution, adopted in the year:

  1. (a) 1986
  2. (b) 1966
  3. (c) 1976
  4. (d) 1988
Answer & solution

Answer: (c) 1976

Topic: Fundamental Duties - Constitutional Amendment
The42nd Amendment Act, 1976added Part IV-A to the Constitution.
This amendment introduced10 Fundamental Dutiesunder Article 51-A.
Later, the86th Amendment, 2002added the 11th duty (education of children).
The 42nd Amendment is also called the'Mini Constitution'due to extensive changes.
Answer: Option 3 → 1976
Judiciary · Supreme Court - composition and appointment

Q26. Which Amendment created the National Judicial Appointments Commission (NJAC) in India?

  1. (a) 102ⁿᵈ Amendment
  2. (b) 76ᵗʰ Amendment
  3. (c) 82ⁿᵈ Amendment
  4. (d) 99ᵗʰ Amendment
Answer & solution

Answer: (d) 99ᵗʰ Amendment

Topic: Constitutional Amendments - NJAC
99th Constitutional Amendment Act, 2014created the National Judicial Appointments Commission (NJAC).
It was meant to replace the Collegium System for appointing judges to Supreme Court and High Courts.
However, Supreme Court struck down NJAC as unconstitutional in 2015, restoring the Collegium System.
Answer: Option 4 → 99ᵗʰ Amendment
Union Executive · Prime Minister

Q27. Who among the following is the head of the Union Council of Ministers?

  1. (a) Prime Minister
  2. (b) Union Home Minister
  3. (c) President
  4. (d) Attorney General of India
Answer & solution

Answer: (a) Prime Minister

Topic: Union Council of Ministers
Constitutional Provision:Article 74 and Article 75
ThePrime Ministeris the head of the Union Council of Ministers.
The Council of Ministers is collectively responsible to the Lok Sabha.
President appoints the Prime Minister and other ministers on PM's advice.
Answer: Option 1 → Prime Minister

Economics (1)

Poverty, Unemployment and Human Development · Population and demographic dividend

Q28. According to World Population Prospects, 2024, what is the estimated peak of the world’s population in the mid-2080s?

  1. (a) 8.2 billion
  2. (b) 9.5 billion
  3. (c) 11.1 billion
  4. (d) 10.3 billion
Answer & solution

Answer: (d) 10.3 billion

Topic: World Population Prospects 2024
UN Report: World Population Prospects 2024
Key Projection: Global population expected to peak in mid-2080s at approximately10.3 billion
Current population (2024): ~8.2 billion
Growth will slow and stabilize by 2080s due to declining fertility rates globally
Answer: Option 4 → 10.3 billion

Chemistry (2)

Matter and its States · States of matter and their properties

Q29. Which of the following is a characteristic feature of the gaseous state of matter?

  1. (a) High rigidity and fixed volume
  2. (b) Strong intermolecular forces and fixed shape
  3. (c) Definite volume but no definite shape
  4. (d) Negligible intermolecular forces and high compressibility
Answer & solution

Answer: (d) Negligible intermolecular forces and high compressibility

Topic:States of Matter - Gaseous State
Characteristics of Gases:
• Particles are far apart with negligible intermolecular forces
• No fixed shape or volume - takes shape of container
• Highly compressible due to large intermolecular spaces
• Particles move freely with high kinetic energy
Analysis of Options:
Option 1: Rigidity & fixed volume → Solid property
Option 2: Strong forces & fixed shape → Solid property
Option 3: Definite volume, no shape → Liquid property
Option 4: Negligible forces & high compressibility → Gas ✓
Atoms, Molecules and Mole Concept · Mole concept and Avogadro number

Q30. Which term refers to the quantitative study of reactants and products in a chemical reaction?

  1. (a) Mass per cent
  2. (b) Mole fraction
  3. (c) Stoichiometry
  4. (d) Molarity
Answer & solution

Answer: (c) Stoichiometry

Topic: Chemical Calculations
Stoichiometryis the branch of chemistry that deals with the quantitative relationships between reactants and products in a chemical reaction.
It involves calculations based on balanced chemical equations to determine amounts of substances consumed and produced.
Other options are concentration terms:
• Mass per cent - concentration expression
• Mole fraction - ratio of moles
• Molarity - moles per liter
Answer: Option 3 → Stoichiometry

Modern History (4)

Personalities, Newspapers, Books and Slogans · Books and authors of the modern period

Q31. Who among the following highlighted the widespread poverty in India during the colonial period through the book Poverty and Un-British Rule in India?

  1. (a) Mahatma Gandhi
  2. (b) Dadabhai Naoroji
  3. (c) Pherozeshah Mehta
  4. (d) Bal Gangadhar Tilak
Answer & solution

Answer: (b) Dadabhai Naoroji

Topic: Indian National Movement - Economic Critique
Dadabhai Naorojiwrote the famous book'Poverty and Un-British Rule in India'(1901).
He was known as the'Grand Old Man of India'.
He developed theDrain of Wealth Theoryexposing British economic exploitation.
This book systematically analyzed India's poverty under colonial rule.
Answer: Option 2 → Dadabhai Naoroji
Swadeshi, Revolutionaries and Home Rule · Early revolutionary activities

Q32. Who among the following founded the secret revolutionary society ‘Abhinav Bharat’ in 1904?

  1. (a) Khudiram Bose
  2. (b) V.D. Savarkar
  3. (c) Shyamji Krishna Varma
  4. (d) Lala Har Dayal
Answer & solution

Answer: (b) V.D. Savarkar

Topic: Indian Freedom Struggle - Revolutionary Movements
Abhinav Bharat Society (1904)
Founded byVinayak Damodar Savarkarin Nashik, Maharashtra.
Aimed at achieving complete independence through revolutionary means.
Other revolutionaries: Khudiram Bose (Alipore Bomb Case), Shyamji Krishna Varma (India House, London), Lala Har Dayal (Ghadar Party).
Answer: Option 2 → V.D. Savarkar
Socio-Religious Reform Movements · Prarthana Samaj and Satyashodhak Samaj

Q33. Which of the following movements, founded by Jyotirao Phule, was specifically aimed at the upliftment of lower castes in Maharashtra?

  1. (a) Brahmo Samaj
  2. (b) Satyashodhak Samaj
  3. (c) Arya Samaj
  4. (d) Ramakrishna Mission
Answer & solution

Answer: (b) Satyashodhak Samaj

Topic: Social Reform Movements in India
Jyotirao Phule (1827-1890)was a social reformer from Maharashtra.
He foundedSatyashodhak Samaj (Society of Truth Seekers)in 1873.
Main objective: Upliftment of lower castes and women's education.
Fought against Brahmanical dominance and caste discrimination.
Other options: Brahmo Samaj (Raja Ram Mohan Roy), Arya Samaj (Swami Dayanand), Ramakrishna Mission (Swami Vivekananda).
Answer: Option 2 → Satyashodhak Samaj
Personalities, Newspapers, Books and Slogans · Books and authors of the modern period

Q34. Which book written by Jyotirao Phule was dedicated to those who fought against slavery in America?

  1. (a) Satyarth Prakash
  2. (b) Gulamgiri
  3. (c) The Cultivator's Whipcord
  4. (d) Stripurushtulna
Answer & solution

Answer: (b) Gulamgiri

Topic: Jyotirao Phule's Literary Works
Gulamgiri (Slavery)- Published in 1873
Dedicated to the American abolitionists who fought against slavery in the United States.
The book exposed the caste-based slavery and oppression in Indian society.
Phule drew parallels between American slavery and the caste system in India.
Answer: Option 2 → Gulamgiri

Physics (2)

Force and Laws of Motion · Newton's third law and its applications

Q35. Action and reaction forces are exerted on which bodies during an interaction?

  1. (a) The same body
  2. (b) Only moving bodies
  3. (c) Only bodies at rest
  4. (d) Two different bodies
Answer & solution

Answer: (d) Two different bodies

Newton's Third Law of Motion
States: For every action, there is an equal and opposite reaction.
Key Point:Action and reaction forces always act ontwo different bodies.
Example: When you push a wall, you exert force on the wall (action), and the wall exerts equal force back on you (reaction).
The forces are equal in magnitude, opposite in direction, but act on different objects.
Answer: Option 4 → Two different bodies
Units, Measurement & Dimensions · Dimensions and dimensional analysis

Q36. If a scientist is comparing the energy output of two light bulbs and records their values in joules, which dimensional formula should be used to represent energy in the SI system?

  1. (a) [M T²]
  2. (b) [L² T⁻²]
  3. (c) [M L² T⁻²]
  4. (d) [M L T⁻²]
Answer & solution

Answer: (c) [M L² T⁻²]

Topic:Dimensional Formula of Energy
Energy (Work) = Force × Distance
Force = Mass × Acceleration = M × LT⁻²
Dimensional formula of Force =[M L T⁻²]
Energy = [M L T⁻²] × [L] =[M L² T⁻²]
This represents kinetic energy (½mv²), potential energy (mgh),
and all forms of energy in SI system.
Answer: Option 3 → [M L² T⁻²]

Ancient History (1)

Post-Gupta Period · Vakatakas, Maitrakas and Maukharis

Q37. Which of the following rulers of the Maitraka dynasty attended Harshavardhana’s assembly at Prayaga?

  1. (a) Dhruvasena II
  2. (b) Rudrasena II
  3. (c) Grihavarman
  4. (d) Prabhakarvardhana
Answer & solution

Answer: (a) Dhruvasena II

Topic: Maitraka Dynasty & Harshavardhana
The Maitraka dynasty ruled Gujarat (6th-8th century CE).
Dhruvasena IIwas a prominent Maitraka ruler who was a contemporary of Emperor Harshavardhana (606-647 CE).
He attended Harsha's famous assembly at Prayaga (modern Allahabad), which was a grand religious and political gathering.
This is recorded in historical accounts of Harsha's reign.
Answer: Option 1 → Dhruvasena II

Biology (1)

Biotechnology and Applied Biology · Agricultural practices (manures, fertilisers, irrigation, weeding)

Q38. Which practice supports sustainable agriculture by maintaining soil health?

  1. (a) Excessive chemical fertilisers
  2. (b) Crop rotation
  3. (c) Deforestation
  4. (d) Monoculture farming
Answer & solution

Answer: (b) Crop rotation

Topic: Sustainable Agriculture Practices
Crop Rotation- Growing different crops in sequence on same land.
Benefits for Soil Health:
• Prevents nutrient depletion
• Breaks pest and disease cycles
• Improves soil structure and fertility
• Reduces need for chemical fertilizers
Why others are wrong:
Excessive chemicals → Soil degradation
Deforestation → Soil erosion
Monoculture → Nutrient depletion
Answer: Option 2 → Crop rotation
← 14 June 2026 Shift 2All shifts15 June 2026 Shift 1 →
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