Home › GK Questions Asked › RRB NTPC GL CBT-1 2025-26 › 19 March 2026 Shift 2

RRB NTPC GL CBT-1 2025-26 19 March 2026 Shift 2 GK Questions – with answers & solutions

All 38 GK / GS questions asked in RRB NTPC GL CBT-1 2025-26 on 19 March 2026 Shift 2, with correct answers and short solutions, subject-wise: Ancient History, Economics, Biology, Current Affairs, Geography, Static GK.

📚 38 questions🗓️ 19 March 2026⏰ Shift 2
हिंदी में पढ़ें📥 Full paper PDF
Subjects: Ancient History (4) · Economics (4) · Biology (3) · Current Affairs (9) · Geography (4) · Static GK (3) · Polity (3) · Modern History (2) · Chemistry (2) · Computer (4)

Ancient History (4)

Indus Valley Civilisation · Artefacts and findings

Q1. What material was commonly used for Harappan sculptures, such as the Dancing Girl, around 2500 BCE?

  1. (a) Silver
  2. (b) Granite
  3. (c) Bronze
  4. (d) Marble
Answer & solution

Answer: (c) Bronze

Topic: Harappan Civilization - Art & Sculpture
Dancing Girl statueis one of the most famous artifacts from Mohenjo-daro (Harappan Civilization, c. 2500 BCE).
It was made using thelost-wax casting techniquewith bronze (copper-tin alloy).
Other bronze artifacts: figurines, tools, vessels.
Answer: Option 3 → Bronze
Ancient Art, Culture and Science · Temple architecture styles (Nagara, Dravida, Vesara)

Q2. Which feature of the 10th-century CE Lingaraja Temple in Bhubaneswar reflects the Nagara architectural style?

  1. (a) Curvilinear shikhara tower
  2. (b) Stepped pyramid vimana
  3. (c) Ornate gopuram entrance
  4. (d) Circular stupa dome
Answer & solution

Answer: (a) Curvilinear shikhara tower

Topic: Lingaraja Temple Architecture
Nagara Style Features:
• Curvilinear shikhara (tower) rising above sanctum
• Beehive-shaped spire with curved profile
• Predominant in North & East India temples
Other Styles:
• Stepped pyramid vimana → Dravida style (South)
• Ornate gopuram → Dravida style gateway
• Circular stupa dome → Buddhist architecture
Lingaraja Temple (Bhubaneswar):
Built by Jajati Keshari, Kalinga architecture
Answer: Option 1 → Curvilinear shikhara tower
Post-Mauryan Period · Kharavela of Kalinga

Q3. King Kharavela belonged to which of the following dynasties?

  1. (a) Shunga dynasty
  2. (b) Chedi dynasty
  3. (c) Kanva dynasty
  4. (d) Satavahana dynasty
Answer & solution

Answer: (b) Chedi dynasty

King Kharavela - Dynasty Identification
Kharavelawas the greatest ruler of theChedi dynasty(also called Mahameghavahana dynasty).
He ruled Kalinga (modern Odisha) in the 1st century BCE.
Famous for theHathigumpha inscriptionat Udayagiri caves, which details his military conquests and patronage of Jainism.
Answer: Option 2 → Chedi dynasty
Sources and Prehistoric India · Mesolithic Age

Q4. Akhaj Mesolithic site is found in which state of India?

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

Answer: (b) Gujarat

Akhaj Mesolithic Site
Location: Akhaj is located inMehsana district, Gujarat.
Key Facts:
• Important Mesolithic archaeological site in India.
• Discovered during archaeological surveys in Gujarat.
• Contains evidence of Mesolithic culture and tools.
Answer: Option 2 → Gujarat

Economics (4)

Poverty, Unemployment and Human Development · Human Development Index and UNDP

Q5. The conceptual framework of Human Development was pioneered by:

  1. (a) Dr. Abdus Salam
  2. (b) Prof. Amartya Sen
  3. (c) Ellen C. Semple
  4. (d) Dr. Mahbub-ul-Haq
Answer & solution

Answer: (d) Dr. Mahbub-ul-Haq

Human Development Concept
TheHuman Development Index (HDI)and its conceptual framework was pioneered byDr. Mahbub-ul-Haq, a Pakistani economist.
He introduced this concept in 1990 while working with UNDP.
Prof. Amartya Sen contributed to the theoretical foundation, but Dr. Mahbub-ul-Haq created the framework.
Answer: Option 4 → Dr. Mahbub-ul-Haq
Government Schemes and Economic Reports · Skill development and employment schemes

Q6. In which year was the Pradhan Mantri Kaushal Vikas Yojana (PMKVY) launched?

  1. (a) 2025
  2. (b) 2010
  3. (c) 2020
  4. (d) 2015
Answer & solution

Answer: (d) 2015

Pradhan Mantri Kaushal Vikas Yojana (PMKVY)
Launched by: Ministry of Skill Development and Entrepreneurship
Launch Date:15 July 2015
Objective: Skill training and certification for Indian youth
Answer: Option 4 → 2015
Industry and Infrastructure · Make in India, Startup India and PLI

Q7. The 'Make in India' initiative was launched in which of the following years?

  1. (a) 2014
  2. (b) 2015
  3. (c) 2012
  4. (d) 2013
Answer & solution

Answer: (a) 2014

Make in India Initiative
Launched by:Prime Minister Narendra Modi
Date:25 September 2014
Objective: Boost manufacturing and attract foreign investment
Answer: Option 1 → 2014
Government Schemes and Economic Reports · Skill development and employment schemes

Q8. Which of the following is NOT correct about the scheme of Jan Shikshan Sansthan of the Ministry of Skill Development and Entrepreneurship (MSDE)?

  1. (a) It is implemented through Industrial Training Institutes (ITIs)
  2. (b) It focuses to improve the occupational skills and technical knowledge of the non/neo literates and persons having rudimentary level of education
  3. (c) It focuses on creation of a pool of master trainers
  4. (d) It focuses on identifying and promoting traditional skills in the districts through skilling/upskilling
Answer & solution

Answer: (a) It is implemented through Industrial Training Institutes (ITIs)

Jan Shikshan Sansthan (JSS) Scheme
Key Features:
• Targets non-literates, neo-literates, and school dropouts
• Focuses on vocational training for marginalized groups
• Implemented throughNGOs and registered societies
• Creates master trainers and promotes traditional skills
Incorrect Statement:
JSS is NOT implemented through ITIs
ITIs are separate institutions under DGT for formal training
Answer: Option 1 → It is implemented through Industrial Training Institutes (ITIs)

Biology (3)

Ecology and Environment · Ecosystem and its components

Q9. Which of the following is/are example(s) of an abiotic factor in an ecosystem?

  1. (a) Insects
  2. (b) Bacteria
  3. (c) Soil
  4. (d) Trees
Answer & solution

Answer: (c) Soil

Ecosystem Components:
Biotic factors→ Living organisms (plants, animals, microorganisms)
Abiotic factors→ Non-living physical and chemical components
Analysis of options:
• Insects → Living organisms (Biotic)
• Bacteria → Living microorganisms (Biotic)
•Soil→ Non-living component (Abiotic) ✓
• Trees → Living plants (Biotic)
Soil is a non-living physical component that provides nutrients and support.
Answer: Option 3 → Soil
Plant Physiology and Morphology · Plant parts - root, stem and leaf modifications

Q10. The modified petiole of Acacia species that resembles a leaf blade is termed as __________________.

  1. (a) phyllode
  2. (b) bracts
  3. (c) spine
  4. (d) tendril
Answer & solution

Answer: (a) phyllode

Topic: Modified Plant Parts - Petiole
Phyllode:A flattened petiole that takes on the function and appearance of a leaf blade.
Found inAcacia species(Australian Acacia).
Function: Performs photosynthesis like normal leaves while reducing water loss.
Other options: Bracts (modified leaves), Spine (modified stem/leaf for protection), Tendril (modified stem/leaf for climbing).
Answer: Option 1 → phyllode
Diversity and Classification of Living Organisms · Plant kingdom groups (Thallophyta to Angiosperms)

Q11. Which of the following statements differentiates bryophytes from algae?

  1. (a) Bryophytes possess chlorophyll
  2. (b) Bryophytes are cryptogams
  3. (c) Bryophytes exhibit the formation of an embryo from the zygote
  4. (d) Bryophytes can prepare their own food
Answer & solution

Answer: (c) Bryophytes exhibit the formation of an embryo from the zygote

Topic:Bryophytes vs Algae
Common features:
Both possess chlorophyll (photosynthetic)
Both are cryptogams (non-flowering plants)
Both can prepare their own food (autotrophic)
Key difference:
Bryophytes form a multicellular embryo from zygote
Algae do NOT form embryo (zygote develops directly)
Bryophytes = Embryophyta (embryo-forming plants)
Answer: Option 3 → Bryophytes exhibit the formation of an embryo from the zygote

Current Affairs (9)

Defence and Security - Current · Military exercises - current

Q12. During October–November 2025, which two Indian states hosted the Trishul 2025 tri-services exercise?

  1. (a) Uttar Pradesh and Bihar
  2. (b) Tamil Nadu and Kerala
  3. (c) Gujarat and Rajasthan
  4. (d) Maharashtra and Punjab
Answer & solution

Answer: (c) Gujarat and Rajasthan

Key Facts:
Trishul 2025 was a major tri-services military exercise conducted by Indian Armed Forces.
The exercise was held during October–November 2025.
It involved coordinated operations by Army, Navy, and Air Force.
The exercise was hosted acrossGujarat and Rajasthan.
Answer: Option 3 → Gujarat and Rajasthan
Economy, Banking and Business · Mergers, acquisitions and partnerships

Q13. Which Indian organization signed a memorandum of understanding with Russia's UAC to produce the SJ-100 in October 2025?

  1. (a) ISRO
  2. (b) Hindustan Aeronautics Limited
  3. (c) DRDO
  4. (d) Bharat Electronics Limited
Answer & solution

Answer: (b) Hindustan Aeronautics Limited

Topic: Recent MoU - India-Russia Aviation Partnership
Key Facts:
1.Hindustan Aeronautics Limited (HAL)signed MoU with Russia'sUnited Aircraft Corporation (UAC)in October 2025.
2. Agreement focuses on production ofSukhoi Superjet 100 (SJ-100)aircraft in India.
3. HAL is India's premier aerospace and defense manufacturer under Ministry of Defence .
Answer: Option 2 → Hindustan Aeronautics Limited
Defence and Security - Current · Security operations

Q14. In August 2025, which paramilitary force launched Operation Alert along the Rajasthan border?

  1. (a) Central Industrial Security Force (CISF)
  2. (b) Border Security Force (BSF)
  3. (c) Indian Navy
  4. (d) Indian Coast Guard
Answer & solution

Answer: (b) Border Security Force (BSF)

Topic: Current Affairs - Border Security Operations
Operation Alertwas launched inAugust 2025by theBorder Security Force (BSF)along the Rajasthan border.
BSF is India's primary border guarding force responsible for securing international borders with Pakistan and Bangladesh.
The operation aimed at enhancing surveillance and preventing illegal activities along the western border.
Answer: Option 2 → Border Security Force (BSF)
Awards and Honours - Current · National awards - current

Q15. Which award was announced by the Government of India on 26 October 2025 to honour excellence in Science, Technology, and Innovation?

  1. (a) Padma Vibhushan
  2. (b) Rashtriya Vigyan Puraskar
  3. (c) Bharat Ratna
  4. (d) Shanti Swarup Bhatnagar Prize
Answer & solution

Answer: (b) Rashtriya Vigyan Puraskar

Topic: National Awards - Science & Technology
Rashtriya Vigyan Puraskarwas announced on 26 October 2025.
This award recognizes outstanding contributions in Science,
Technology, and Innovation across various fields.
It is India's highest multidisciplinary science award.
Other options: Padma awards are civilian honors, SSB Prize
is for young scientists (below 45 years).
Answer: Option 2 → Rashtriya Vigyan Puraskar
Sports - Current · Tournaments and winners

Q16. In October 2025, Morocco’s U-20 World Cup victory over Argentina was significant for what reason?

  1. (a) It was Argentina’s first defeat in tournament history.
  2. (b) Morocco won after a penalty shootout.
  3. (c) It marked Morocco’s first-ever U-20 World Cup title.
  4. (d) Morocco hosted the U-20 World Cup for the first time.
Answer & solution

Answer: (c) It marked Morocco’s first-ever U-20 World Cup title.

Topic: Morocco U-20 World Cup Victory (October 2025)
Morocco defeated Argentina in the U-20 World Cup final.
Key Significance:
This victory marked Morocco's first-ever U-20 World Cup title in history.
It was a historic achievement for Moroccan football at the youth level.
Answer: Option 3 → It marked Morocco's first-ever U-20 World Cup title.
International Affairs and Summits · International organisations - current

Q17. When was the second edition of the RESPECT women prevention framework launched in 2025?

  1. (a) 10 December
  2. (b) 25 November
  3. (c) 19 November
  4. (d) 8 March
Answer & solution

Answer: (c) 19 November

Topic:RESPECT Women Prevention Framework
The second edition of the RESPECT women prevention
framework was launched by WHO on19 November 2025.
This framework aims to prevent violence against women
through evidence-based strategies and interventions.
Answer: Option 3 → 19 November
Science, Technology and Space - Current · Health and medical research

Q18. In November 2025, which of the following organizations collaborated with UNICEF to secure a new deal for affordable malaria vaccines?

  1. (a) Red Cross
  2. (b) Gavi
  3. (c) Oxfam
  4. (d) Doctors Without Borders
Answer & solution

Answer: (b) Gavi

Topic: Current Affairs - November 2025
Gavi, the Vaccine Alliancepartnered with UNICEF in November 2025 to secure a landmark deal for affordable malaria vaccines.
This collaboration aims to increase access to malaria vaccines in low-income countries, particularly in Africa where malaria burden is highest.
Gavi works globally to improve vaccine access and affordability for children in developing nations.
Answer: Option 2 → Gavi
Appointments and Resignations · National appointments

Q19. As of April 2025, the Ministry of Agriculture and Farmers Welfare is administered by _________.

  1. (a) Shri Pralhad Joshi
  2. (b) Shri Nitin Jairam Gadkari
  3. (c) Shri Shivraj Singh Chouhan
  4. (d) Shri Piyush Goyal
Answer & solution

Answer: (c) Shri Shivraj Singh Chouhan

Ministry of Agriculture and Farmers Welfare
As of April 2025, the ministry is headed byShri Shivraj Singh Chouhan.
He serves as the Union Minister for Agriculture and Farmers Welfare in the Government of India.
Previously served as Chief Minister of Madhya Pradesh for multiple terms.
Answer: Option 3 → Shri Shivraj Singh Chouhan
Books, Obituaries and Days - Current · Books released

Q20. Which publisher released 'Mother Mary Comes to Me' by Arundhati Roy in September 2025?

  1. (a) Penguin Random House India
  2. (b) HarperCollins India
  3. (c) Rupa Publications
  4. (d) Hachette India
Answer & solution

Answer: (a) Penguin Random House India

Book: Mother Mary Comes to Me
Author: Arundhati Roy
Release: September 2025
This is Arundhati Roy's latest work published by
Penguin Random House India.
Penguin Random House has been Roy's primary publisher
for her major works in India.
Answer: Option 1 → Penguin Random House India

Geography (4)

India - Agriculture · Types of farming (shifting, terrace, etc.)

Q21. What type of agriculture is still widely practiced in India despite modern agricultural changes?

  1. (a) Plantation Agriculture
  2. (b) Organic Agriculture
  3. (c) Commercial Agriculture
  4. (d) Subsistence Agriculture
Answer & solution

Answer: (d) Subsistence Agriculture

Topic: Types of Agriculture in India
Subsistence Agricultureis farming where farmers grow crops primarily for their own consumption and family needs, not for commercial sale
Despite Green Revolution and modern techniques, majority of Indian farmers (especially small and marginal) still practice subsistence farming.
Characteristics: Small landholdings, traditional methods, family labor, limited surplus for market.
Regions: Predominantly in rain-fed areas, eastern and northeastern states.
Answer: Option 4 → Subsistence Agriculture
India - Climate, Soils and Natural Vegetation · Seasons of India

Q22. Mango showers occur in which of the following groups of states?

  1. (a) Bihar and West Bengal
  2. (b) Kerala and Tamil N adu
  3. (c) Karnataka and Kerala
  4. (d) Andhra Pradesh and Telangana
Answer & solution

Answer: (c) Karnataka and Kerala

Mango Showers
Pre-monsoon rainfall in April-May in South India.
Helps in early ripening of mangoes.
Occurs mainly inKarnataka and Kerala.
Also calledKaal Baisakhiin West Bengal.
Answer: Option 3 → Karnataka and Kerala
India - Drainage System · Lakes of India

Q23. Chilika Lake spans across which three districts of Odisha?

  1. (a) Khurda , Balasore and Ganjam
  2. (b) Puri, Jagatsinghpur and Khurda
  3. (c) Cuttack, Puri and Kendrapara
  4. (d) Puri, Khurda and Ganjam
Answer & solution

Answer: (d) Puri, Khurda and Ganjam

Chilika Lake - Geographical Location
Chilika Lake is Asia's largest brackish water lagoon.
It is spread acrossthree districts of Odisha:
1.Puri(major portion)
2.Khurda
3.Ganjam
It is a Ramsar site and important bird sanctuary.
Answer: Option 4 → Puri, Khurda and Ganjam
India - Agriculture · Types of farming (shifting, terrace, etc.)

Q24. Which of the following factors does NOT contribute to farming variety in India?

  1. (a) Soil types
  2. (b) Climate
  3. (c) Uniform landform
  4. (d) Irrigation availability
Answer & solution

Answer: (c) Uniform landform

Topic: Agricultural Diversity in India
Factors Contributing to Farming Variety:
1.Diverse soil types- Alluvial, black, red, laterite support different crops
2.Varied climate- Tropical to temperate zones enable multiple cropping patterns
3.Irrigation availability- Determines crop selection and intensity
4.Diverse landforms- Plains, plateaus, hills create farming variations
Uniform landformwould reduce variety, not increase it.
India has diverse topography which creates farming diversity.
Answer: Option 3 → Uniform landform

Static GK (3)

Music and Musical Instruments · Folk music and songs by state

Q25. Laman, in which a group of girls sing a stanza and a group of boys reply in the song which continues for hours, is a popular folk music of which state?

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

Answer: (a) Himachal Pradesh

Topic: Folk Music of India
Lamanis a traditional folk music form ofHimachal Pradesh.
Key Features:
• Group of girls sing a stanza
• Group of boys reply in response
• This call-and-response pattern continues for hours
It is a popular form of entertainment in Himachal Pradesh during festivals and social gatherings.
Answer: Option 1 → Himachal Pradesh
Tribes, Languages and Religions · Classical and scheduled languages

Q26. Which of the following does NOT belong to the Tibeto-Burman language family?

  1. (a) Assamese
  2. (b) Lepcha
  3. (c) Bodo
  4. (d) Garo
Answer & solution

Answer: (a) Assamese

Topic: Indian Language Families
Tibeto-Burman Family:Part of Sino-Tibetan language group, spoken in Northeast India.
Lepcha:Spoken in Sikkim - Tibeto-Burman language.
Bodo:Spoken in Assam - Tibeto-Burman language.
Garo:Spoken in Meghalaya - Tibeto-Burman language.
Assamese:Belongs toIndo-Aryan family, NOT Tibeto-Burman.
It is derived from Sanskrit and uses Assamese script.
Answer: Option 1 → Assamese
Organisations and Headquarters · Regional groupings (SAARC, ASEAN, BIMSTEC, SCO, G20)

Q27. In which year did India officially join the Shanghai Cooperation Organization (SCO) as a full member?

  1. (a) 2008
  2. (b) 2021
  3. (c) 2012
  4. (d) 2017
Answer & solution

Answer: (d) 2017

Shanghai Cooperation Organization (SCO)
India was grantedobserver statusin SCO in 2005.
India and Pakistan both becamefull memberson9 June 2017at the Astana Summit in Kazakhstan.
SCO is a Eurasian political, economic and security alliance founded in 2001.
Answer: Option 4 → 2017

Polity (3)

DPSP and Fundamental Duties · DPSP - features and classification

Q28. What kind of justice do the Directive Principles of State Policy of the Indian Constitution mainly aim to achieve?

  1. (a) All legal justice
  2. (b) Religious justice
  3. (c) Economic and social justice
  4. (d) Political justice
Answer & solution

Answer: (c) Economic and social justice

Directive Principles of State Policy (DPSP)
Constitutional Provision: Part IV (Articles 36-51)
Primary Objective:
Establish welfare state througheconomic and social justice
Key Focus Areas:
• Equal pay for equal work (Art 39)
• Right to work, education (Art 41)
• Living wage and decent standard of life (Art 43)
• Uniform Civil Code (Art 44)
These principles aim to reduce inequalities in income, status, and opportunities.
Answer: Option 3 → Economic and social justice
Parliament · Parliamentary privileges

Q29. Which authority is empowered under the Constitution to define the powers, privileges, and immunities of the members of each House of Parliament and their committees?

  1. (a) President of India
  2. (b) Parliament itself
  3. (c) Supreme Court
  4. (d) Speaker of the Lok Sabha
Answer & solution

Answer: (b) Parliament itself

Topic:Powers and Privileges of Parliament
Article 105(3)of the Constitution empowers Parliament to define by law the powers, privileges, and immunities of each House and its members and committees.
Until Parliament makes such law, these are governed by the system prevailing in the House of Commons of the UK Parliament.
Parliament enacted theParliament (Prevention of Disqualification) Act, 1959and other related laws under this provision.
Answer: Option 2 → Parliament itself
Local Government · 11th and 12th Schedules

Q30. The Twelfth Schedule of the Indian Constitution defines how many new tasks in the functional domain of the Urban Local Bodies as of March 2025?

  1. (a) 19
  2. (b) 18
  3. (c) 21
  4. (d) 20
Answer & solution

Answer: (b) 18

Topic: Twelfth Schedule - Urban Local Bodies
TheTwelfth Schedulewas added by the74th Constitutional Amendment Act, 1992.
It lists18 functional itemsunder the jurisdiction of Urban Local Bodies (Municipalities).
Key functions include: urban planning, water supply, public health, slum improvement, urban forestry, safeguarding weaker sections, etc.
As of March 2025, the number remains18.
Answer: Option 2 → 18

Modern History (2)

Advent of Europeans and British Expansion · Portuguese

Q31. Which port did the Portuguese capture in 1510, making it their colony’s capital in India?

  1. (a) Goa
  2. (b) Calicut
  3. (c) Bombay
  4. (d) Surat
Answer & solution

Answer: (a) Goa

Portuguese in India - 1510
In 1510, Portuguese commanderAfonso de Albuquerquecaptured Goa from the Sultan of Bijapur.
Goa became the capital ofPortuguese India (Estado da Índia )and remained under Portuguese control until 1961.
Other ports: Calicut was trading post, Bombay given to British (1661), Surat was Mughal port.
Answer: Option 1 → Goa
Advent of Europeans and British Expansion · Portuguese

Q32. Which European power was the first to establish trading settlements in India during the early modern period?

  1. (a) French
  2. (b) Portuguese
  3. (c) Dutch
  4. (d) English
Answer & solution

Answer: (b) Portuguese

Topic: European Trading Powers in India
Portuguese arrival:Vasco da Gama landed in Calicut (1498)
First European power to establish trade settlements
Established factories at Goa (1510), Daman, Diu
Other powers arrived later: Dutch (1602), English (1608), French (1668)
Answer: Option 2 → Portuguese

Chemistry (2)

Environmental Chemistry · Air pollutants and their sources

Q33. Which of the following is NOT a primary air pollutant?

  1. (a) Nitrogen oxide
  2. (b) Sulfur dioxide
  3. (c) Carbon monoxide
  4. (d) Ozone
Answer & solution

Answer: (d) Ozone

Primary vs Secondary Air Pollutants
Primary pollutants:Emitted directly from sources
• Nitrogen oxide (NO) - from vehicles, industries
• Sulfur dioxide (SO₂) - from coal burning
• Carbon monoxide (CO) - from incomplete combustion
Secondary pollutants:Formed by chemical reactions in atmosphere
•Ozone (O₃)- formed when NO₂ reacts with sunlight
Answer: Option 4 → Ozone
Structure of Atom · Discovery of electron, proton and neutron

Q34. The e/m ratio for electron was determined by:

  1. (a) J.J. Thomson
  2. (b) Issac Newton
  3. (c) Niels Bohr
  4. (d) Albert Einstein
Answer & solution

Answer: (a) J.J. Thomson

Topic: Discovery of Electron Properties
J.J. Thomson (1897)conducted cathode ray tube experiments.
He determined thecharge-to-mass ratio (e/m)of electron.
Value:e/m = 1.76 × 10¹¹ C/kg
This discovery led to the identification of the electron as a fundamental particle.
Answer: Option 1 → J.J. Thomson

Computer (4)

Software, Operating Systems and Programming · Popular operating systems

Q35. Restarting a computer means:

  1. (a) Turning it off permanently
  2. (b) Only refreshing the desktop
  3. (c) Installing a new OS
  4. (d) Turning it off and on again automatically
Answer & solution

Answer: (d) Turning it off and on again automatically

Topic: Computer Restart/Reboot
Restart (Reboot)= Process of closing all programs, shutting down the OS, and automatically starting it again without manual intervention.
Purpose: Clears RAM, refreshes system processes, applies updates.
Different from shutdown (requires manual power-on) or refresh (only updates display).
Answer: Option 4 → Turning it off and on again automatically
MS Office and Productivity Tools · Keyboard shortcuts

Q36. Which shortcut saves the current file?

  1. (a) Ctrl+L
  2. (b) Ctrl+S
  3. (c) Ctrl+P
  4. (d) Ctrl+R
Answer & solution

Answer: (b) Ctrl+S

Topic:Keyboard Shortcuts - File Operations
Ctrl+Sis the universal shortcut toSavethe current file.
Other options:
Ctrl+L → Address bar/Location (browsers)
Ctrl+P → Print dialog
Ctrl+R → Refresh/Reload page
Answer: Option 2 → Ctrl+S
Computer Organisation and Hardware · CPU - ALU, CU and registers

Q37. What is the primary role of the Control Unit (CU) within the Central Processing Unit (CPU)?

  1. (a) It provides the system's primary volatile storage for active programs.
  2. (b) It permanently stores the operating system and basic boot instructions.
  3. (c) It manages and coordinates the flow of instructions and data throughout the computer system.
  4. (d) It performs all the arithmetic and logical calculations on data.
Answer & solution

Answer: (c) It manages and coordinates the flow of instructions and data throughout the computer system.

Topic:Control Unit (CU) in CPU
Primary Function:The CU acts as the 'traffic controller' of the CPU.
It fetches instructions from memory, decodes them, and coordinates
the execution by directing data flow between CPU components.
It does NOT perform calculations (that's ALU's job) or store data.
Answer: Option 3 → It manages and coordinates the flow of instructions and data throughout the computer system.
Computer Fundamentals and History · Generations of computers

Q38. The fourth generation of computers marked the use of integrated circuits and compact computing. This generation began with the invention of which key component?

  1. (a) Transistor Device Unit
  2. (b) Microprocessor Chip
  3. (c) Tabulating Machine Device
  4. (d) ENIAC Computer System
Answer & solution

Answer: (b) Microprocessor Chip

Topic:Computer Generations
Fourth Generation (1971-Present):
Marked byVLSI (Very Large Scale Integration)technology.
Key Component:Microprocessor Chip
Intel 4004 (1971) was the first microprocessor.
Integrated thousands of transistors on a single chip.
Features: Compact size, high speed, low cost, reliability.
Answer: Option 2 → Microprocessor Chip
← 19 March 2026 Shift 1All shifts19 March 2026 Shift 3 →
📥 PDF of this paper (all subjects, English & Hindi): RRB NTPC GL CBT-1 previous year papers PDF · ▶ Attempt previous year papers as free online tests · 🏆 Free live mock tests · 📰 Daily current affairs quiz