Junior Engineer • 2025 • PAPER-II A
The ‘Four Asian Tigers’ are:
A)
Japan, India, Hong Kong, South Korea
B)
Hong Kong, Singapore, South Korea, Taiwan
C)
Thailand, Malaysia, Indonesia, Philippines
D)
Japan, South Korea, North Korea, China
The term 'Four Asian Tigers' (or Four Asian Tigers economies) refers to the high-growth economies of Hong Kong, Singapore, South Korea, and Taiwan. These four entities underwent rapid industrialization and maintained exceptionally high economic growth rates between the early 1960s and 1990s, transitioning from developing to developed economies through export-oriented industrialization.
Analysis of other options:
- Option (a) is incorrect because Japan and India are not part of the 'Four Tigers' group (Japan was an earlier industrial power, and India's rapid growth occurred later).
- Option (c) refers to the 'Tiger Cub Economies' (Thailand, Malaysia, Indonesia, Philippines, and Vietnam), which are second-generation fast-growing economies in Southeast Asia.
- Option (d) is incorrect as North Korea is not a high-growth economy and China is categorized as a global superpower/emerging economy rather than one of the original four tigers.
Junior Engineer • 2025 • PAPER-II A
Which of the following gases is primarily responsible for the greenhouse effect?
A)
Oxygen
B)
Carbon dioxide
C)
Nitrogen
D)
Helium
The greenhouse effect occurs when certain gases in Earth's atmosphere trap heat from the sun, preventing it from escaping back into space and thereby warming the planet.
1. **Carbon dioxide (CO2)**: This is a primary greenhouse gas. It is released through natural processes (such as respiration and volcanic eruptions) and human activities (such as the burning of fossil fuels and deforestation). Its molecular structure allows it to absorb and emit infrared radiation, making it highly effective at trapping heat.
2. **Oxygen (O2)**: This makes up about 21% of the atmosphere. It is a diatomic molecule that does not absorb infrared radiation and therefore does not contribute to the greenhouse effect.
3. **Nitrogen (N2)**: This is the most abundant gas in the atmosphere (about 78%). Like oxygen, it is a symmetric diatomic molecule that does not trap heat.
4. **Helium (He)**: This is a noble gas. It is chemically inert and does not possess the molecular structure required to absorb infrared radiation.
Junior Engineer • 2025 • PAPER-II A
The World Bank classifies countries into different income groups based on-
A)
GDP growth rate
B)
Per capita income
C)
Employment rate
D)
Population size
The World Bank classifies economies into four income groups: Low income, Lower-middle income, Upper-middle income, and High income. This classification is based on the GNI (Gross National Income) per capita, which is essentially the per capita income of the country. GNI per capita is calculated by dividing the total Gross National Income of a country by its population.
Why other options are incorrect:
- a. GDP growth rate: This measures the speed of economic expansion, not the overall level of wealth or income of the citizens.
- c. Employment rate: This is a labor market indicator and does not determine the income classification of a nation.
- d. Population size: A country can have a massive population (like India) but be classified as lower-middle income, or a small population (like Luxembourg) and be high income; therefore, size is not the criterion.
Junior Engineer • 2025 • PAPER-II A
Which is the largest continent by land area?
A)
NorthAmerica
B)
Africa
C)
Asia
D)
Europe
To determine the largest continent by land area, we compare the approximate surface areas of the options provided:
1. Asia: Approximately 44.58 million square kilometers. It covers about 30% of Earth's total land area.
2. Africa: Approximately 30.37 million square kilometers.
3. North America: Approximately 24.71 million square kilometers.
4. Europe: Approximately 10.18 million square kilometers.
Comparing these values, Asia is significantly larger than any other continent. Therefore, option (c) is the correct answer. Options (a), (b), and (d) are incorrect as they represent continents with smaller total landmasses.
Junior Engineer • 2025 • PAPER-II A
What is the maximum number of members in the Rajya Sabha?
A)
180
B)
200
C)
250
D)
500
According to Article 80 of the Constitution of India, the maximum strength of the Rajya Sabha (Council of States) is fixed at 250 members. This composition is broken down as follows: 1) Not more than 238 representatives of the States and Union Territories, elected indirectly; and 2) 12 members nominated by the President of India from people who have special knowledge or practical experience in fields such as Literature, Science, Art, and Social Service. Currently, the actual strength is 245, but the constitutional maximum limit remains 250. Options a, b, and d are incorrect as they do not align with the constitutional provision.
Junior Engineer • 2025 • PAPER-II A
Which is the largest planet in the Solar System?
A)
Saturn
B)
Earth
C)
Neptune
D)
Jupiter
The Solar System consists of eight major planets. To determine the largest, we compare their diameters and masses:
1. Jupiter is a gas giant and is by far the largest planet in our solar system. Its mass is more than twice that of all the other planets combined, and its diameter is approximately 11 times that of Earth.
2. Saturn (Option a) is the second-largest planet, known for its extensive ring system, but it is smaller than Jupiter.
3. Earth (Option b) is the largest of the terrestrial (rocky) planets, but it is significantly smaller than the gas giants.
4. Neptune (Option c) is the fourth-largest planet and the farthest from the Sun, but it is much smaller than Jupiter and Saturn.
Therefore, Jupiter is the correct answer.
Junior Engineer • 2025 • PAPER-II A
‘Honorary Order of Freedom of Barbados’ Award recently awarded to a leader from Indie is-
A)
Dr. S. Jaishankar
B)
Narendra Modi
C)
Rajnath Singh
D)
Amit Shah
The 'Honorary Order of Freedom of Barbados' is the highest award given by the government of Barbados. Prime Minister Narendra Modi was conferred with this prestigious award during his visit to Barbados in 2024 (or as part of diplomatic honors recognizing India's contribution to global health and development). The award recognizes his leadership and the strengthening of bilateral ties between India and Barbados.
- Option (a) Dr. S. Jaishankar is the External Affairs Minister and while he manages the diplomacy, he was not the recipient of this specific honor.
- Option (c) Rajnath Singh is the Defence Minister and has not received this specific award.
- Option (d) Amit Shah is the Home Minister and has not received this specific award.
Junior Engineer • 2025 • PAPER-II A
The concept of ‘Concurrent List’ in the Indian Constitution is borrowed from which country?
A)
United States
B)
United Kingdom
C)
Canada
D)
Australia
The Indian Constitution is a blend of various global constitutional features. The concept of the 'Concurrent List'—which allows both the Central government and State governments to legislate on certain matters—was borrowed from the Constitution of Australia.
Analysis of other options:
- a. United States: India borrowed the Fundamental Rights, Judicial Review, and the removal of Supreme Court/High Court judges from the US.
- b. United Kingdom: India borrowed the Parliamentary form of government, Rule of Law, and Single Citizenship from the UK.
- c. Canada: India borrowed the concept of a 'Federation with a strong Centre' and the appointment of State Governors from Canada.
- d. Australia: In addition to the Concurrent List, India also borrowed the concept of joint sitting of the two houses of Parliament from Australia.
Junior Engineer • 2025 • PAPER-II A
Which of the following is the longest written Constitution in the world?
A)
United States Constitution
B)
Constitution of India
C)
Constitution of Canada
D)
Constitution of Germany
The Constitution of India is the longest written constitution of any sovereign country in the world. At its inception, it contained a preamble, 395 articles grouped into 22 parts, and 8 schedules. Due to various amendments over the years, the number of articles and schedules has increased significantly. The length is attributed to the detailed administrative provisions, the inclusion of both Central and State governance, and the extensive list of Fundamental Rights and Directive Principles of State Policy.
Comparison with other options:
- a. United States Constitution: It is the shortest written constitution in the world, consisting of only seven articles.
- c. Constitution of Canada: While comprehensive, it is not as detailed or lengthy as the Indian Constitution.
- d. Constitution of Germany: Known as the Basic Law (Grundgesetz), it is structured and detailed but does not match the sheer volume of the Indian Constitution.
Junior Engineer • 2025 • PAPER-II A
What is the longest river in India?
A)
Ganga
B)
Krishna
C)
Brahmaputra
D)
Godavari
Step-by-step reasoning:
1. The Ganga is the longest river flowing entirely within India, with a total length of approximately 2,525 km.
2. Option (b) Krishna is one of the longest rivers in South India, but it is significantly shorter than the Ganga.
3. Option (c) Brahmaputra is longer than the Ganga in terms of total length (approx 2,900 km), but a large portion of its course is in Tibet (China). When considering the longest river 'in India' (meaning the longest course within the Indian territory), the Ganga is the correct answer.
4. Option (d) Godavari is the second longest river in India (approx 1,465 km) and is often referred to as the 'Dakshin Ganga', but it is shorter than the Ganga.
Therefore, the Ganga is the longest river in India.
Junior Engineer • 2025 • PAPER-II A
Who was the first Chief Election Commissioner of India?
A)
T.N. Seshan
B)
B.B. Tandon
C)
Sukumar Sen
D)
V.S. Ramadevi
The Election Commission of India was established on January 25, 1950. Sukumar Sen served as the first Chief Election Commissioner (CEC) of India from 1950 to 1958. He is credited with successfully conducting the first general elections of independent India (1951-52), which were a massive logistical challenge given the scale of the population and literacy rates at the time.
Analysis of other options:
- T.N. Seshan: He was the 10th CEC and is well-known for implementing strict electoral reforms in the 1990s.
- B.B. Tandon: He served as a Chief Election Commissioner later in India's history.
- V.S. Ramadevi: V.S. Ramadevi was a prominent freedom fighter and social worker, not the Chief Election Commissioner.
Junior Engineer • 2025 • PAPER-II A
The official leader of the Revolt of 1857 was -
A)
Tantia Tope
B)
Bahadur Shah Zafar
C)
Rani Lakshmi Bai
D)
Kunwar Singh
Step-by-step reasoning:
1. Analysis of the Revolt of 1857: While the revolt was sparked by sepoys in Meerut and involved various local leaders across North and Central India, the rebels needed a symbolic and legal head to legitimize their movement against the British East India Company.
2. Selection of the Leader: The rebels marched to Delhi and proclaimed the Mughal Emperor, Bahadur Shah Zafar, as the 'Shahenshah-e-Hindustan' (Emperor of India) and the official leader of the revolt.
3. Role of Zafar: Although he was an elderly ruler with limited actual power, his name provided a unifying umbrella for the diverse groups of rebels (Hindus and Muslims) and gave the uprising the status of a national war of independence rather than a series of isolated mutinies.
Evaluation of other options:
- Tantia Tope (a): He was a brilliant general and a key lieutenant of Nana Sahib in Kanpur, but he was a military leader, not the official head of the entire revolt.
- Rani Lakshmi Bai (c): She was the courageous leader of the revolt in Jhansi, fighting to protect her kingdom, but her authority was regional.
- Kunwar Singh (d): He was a prominent leader of the revolt in Bihar (Jagdishpur), but like Rani Lakshmi Bai, his leadership was localized.
Junior Engineer • 2025 • PAPER-II A
What is the primary source of energy for the Earth?
A)
The Moon
B)
The Sun
C)
Fossil fuels
D)
Wind
The Sun is the primary source of energy for Earth. It provides solar radiation in the form of light and heat, which drives almost all biological and physical processes on the planet. 1) Photosynthesis: Plants use sunlight to create chemical energy, forming the base of the food chain. 2) Weather and Climate: Solar heating causes evaporation and atmospheric pressure differences, which drive wind and ocean currents. 3) Heat: It maintains the Earth's temperature to allow liquid water and life to exist.
Why other options are incorrect:
- a. The Moon: The Moon does not produce its own energy; it reflects sunlight and primarily influences Earth's tides via gravity.
- c. Fossil fuels: These are secondary energy sources. They are essentially 'stored' solar energy from ancient plants and animals that lived millions of years ago.
- d. Wind: Wind is a secondary energy source created by the uneven heating of the Earth's atmosphere by the Sun.
Junior Engineer • 2025 • PAPER-II A
In which part of the cell does respiration occur?
A)
Nucleus
B)
Mitochondria
C)
Ribosome
D)
Chloroplast
Cellular respiration is the process by which cells break down glucose and other nutrients to produce energy in the form of ATP (Adenosine Triphosphate). While the first stage (glycolysis) occurs in the cytoplasm, the subsequent aerobic stages—the Krebs cycle and the Electron Transport Chain—take place within the mitochondria. Because the mitochondria are the primary sites of ATP production, they are widely known as the 'powerhouse of the cell.'
Analysis of other options:
- a. Nucleus: This is the control center of the cell containing genetic material (DNA); it does not perform respiration.
- c. Ribosome: These are the sites of protein synthesis (translation).
- d. Chloroplast: These are found in plant cells and are the sites of photosynthesis (converting light energy to chemical energy), which is essentially the opposite process of respiration.
Junior Engineer • 2025 • PAPER-II A
Ala-Uddin Khilji was most famous for his -
A)
Military policy
B)
Land reform
C)
Religious policy
D)
Market control policy
Ala-ud-din Khilji is most renowned in history for his innovative and stringent 'Market Control Policy' (Price Control System). He implemented this system to maintain a large standing army to defend the Delhi Sultanate against Mongol invasions without draining the treasury. By fixing the prices of essential commodities (grains, cloth, cattle, slaves) and appointing officers like the 'Shahna-i-Mandi' to prevent hoarding and cheating, he ensured that soldiers could survive on low salaries. While he did have significant military policies (like the Dag and Chehra systems) and land reforms (increasing land revenue to 50%), his market regulations are considered his most unique and famous administrative contribution. His religious policy was relatively secondary to his administrative and military goals.
Junior Engineer • 2025 • PAPER-II A
The Chipko Movement, an environmental movement in India, was aimed at-
A)
Preventing river pollution
B)
Promoting organic farming
C)
Protecting forests from deforestation
D)
Stopping mining activities
The Chipko Movement was a non-violent social and ecological movement by rural villagers, particularly women, in the Uttarakhand Himalayas during the 1970s. The word 'Chipko' means 'to hug' or 'to cling to' in Hindi; the protesters hugged the trees to prevent contractors from cutting them down.
- Option (a) is incorrect because river pollution was not the primary focus of this specific movement (though movements like the Namami Gange focus on this).
- Option (b) is incorrect because organic farming is a separate agricultural practice and not the goal of the Chipko movement.
- Option (d) is incorrect because while mining is an environmental issue, the specific goal of the Chipko movement was to stop commercial logging and deforestation to protect the local ecosystem and livelihoods.
Junior Engineer • 2025 • PAPER-II A
Which mountain range forms a natural border between France and Spain?
A)
Alps
B)
Pyrenees
C)
Carpathians
D)
Apennines
The Pyrenees is a mountain range in southwest Europe that forms a natural geographic border between France and Spain, stretching from the Bay of Biscay in the west to the Mediterranean Sea in the east.
Analysis of other options:
- a. Alps: These mountains are primarily located in Central Europe, forming borders between France, Italy, Switzerland, Austria, and Slovenia.
- c. Carpathians: These are located in Central and Eastern Europe, primarily spanning Romania, Poland, Slovakia, and Ukraine.
- d. Apennines: This range runs down the entire length of the Italian Peninsula.
Junior Engineer • 2025 • PAPER-II A
What is the main function of mangroves in coastal ecosystems?
A)
Increase ocean depth
B)
Protect against soil erosion and storm surges
C)
Reduce oxygen levels in water
D)
Prevent fish migration
Mangroves are salt-tolerant trees and shrubs that grow in the intertidal zones of tropical and subtropical coasts. Their main ecological functions are as follows:
1. Why Option (b) is correct: Mangroves have complex, dense aerial root systems (pneumatophores) that stabilize the shoreline by trapping sediments, which prevents soil erosion. Additionally, these forests act as a physical buffer or 'bioshield,' absorbing the energy of waves and reducing the impact of storm surges and tsunamis, thereby protecting inland coastal communities.
2. Why Option (a) is incorrect: Mangroves actually decrease ocean depth near the shore by trapping sediment and contributing organic matter to the seabed, leading to land accretion rather than increasing depth.
3. Why Option (c) is incorrect: Like all plants, mangroves perform photosynthesis, which releases oxygen. While the soil in mangrove swamps can be anaerobic (oxygen-poor), the overall ecosystem does not function to 'reduce' oxygen levels in the water; in fact, they support highly oxygenated nurseries for marine life.
4. Why Option (d) is incorrect: Mangroves do not prevent fish migration; instead, they serve as critical 'nurseries' for many species of fish and crustaceans, providing shelter and food for juveniles before they migrate to the open ocean.
Junior Engineer • 2025 • PAPER-II A
Mahavira was the tirthankara.
A)
21%
B)
22N4
C)
23"
D)
24%
Lord Mahavira was the 24th and final Tirthankara of Jainism. A Tirthankara is a spiritual teacher who has conquered the cycle of death and rebirth and paved the way for others to achieve liberation. While the options provided in the prompt contain typographical errors (e.g., '24%' instead of '24th'), in the context of competitive exams, 'd' is clearly intended to represent the number 24. Option 'a' (21), 'b' (22), and 'c' (23) are historically incorrect as they refer to previous Tirthankaras (such as Naminatha, Arishtanemi, and Parshvanatha).
Junior Engineer • 2025 • PAPER-II A
Which Govt. of India scheme aims to provide housing to all?
A)
Pradhan Mantri Awas Yojana (PMAY)
B)
Smart Cities Mission
C)
National Urban Livelihoods Mission
D)
Atal Mission for Rejuvenation and Urban Transformation (AMRUT)
Step-by-step reasoning:
1. Analysis of the Goal: The question asks for a Government of India scheme specifically aimed at providing 'housing for all'.
2. Evaluating Option (a): Pradhan Mantri Awas Yojana (PMAY) was launched with the explicit objective of providing affordable housing to all eligible beneficiaries, divided into two components: PMAY-Urban (PMAY-U) and PMAY-Gramin (PMAY-G). This directly matches the requirement.
3. Evaluating Option (b): The Smart Cities Mission focuses on urban renewal and developing sustainable, citizen-friendly cities through technology and infrastructure, not specifically on universal housing.
4. Evaluating Option (c): The National Urban Livelihoods Mission (NULM) focuses on reducing poverty by providing employment and skill development for the urban poor.
5. Evaluating Option (d): AMRUT focuses on basic infrastructure such as water supply, sewerage, and storm water drains in urban areas to improve the quality of life, rather than housing construction.
Conclusion: PMAY is the only scheme among the options dedicated to the goal of 'Housing for All'.
Junior Engineer • 2025 • PAPER-II A
Which Indian state has the highest population density as per the latest census?
A)
Maharashtra
B)
Uttar Pradesh
C)
Bihar
D)
West Bengal
Population density is defined as the number of persons per square kilometer of land area. According to the Census of India 2011 (which remains the latest official census data available for competitive exams), Bihar has the highest population density among all Indian states, with approximately 1,106 persons per square km.
Comparing the options:
- Bihar: ~1,106 persons/sq km (Highest)
- West Bengal: ~1,028 persons/sq km (Second highest)
- Uttar Pradesh: ~829 persons/sq km
- Maharashtra: ~365 persons/sq km
Therefore, Bihar is the correct answer.
Junior Engineer • 2025 • PAPER-II A
The Tripartite Struggle was fought by the Palas, Pratiharas and the Rashtakutas for the capture of -
A)
Delhi
B)
Magadha
C)
Amravati
D)
Kanauj
The Tripartite Struggle was a prolonged conflict in early medieval India (approximately 8th to 10th centuries CE) involving three powerful dynasties: the Palas of Bengal, the Gurjara-Pratiharas of Western India, and the Rashtrakutas of the Deccan. The primary objective of this struggle was the control of Kanauj, the capital of the city in the Gangetic plains.
Why Kanauj?
1. Strategic Location: Kanauj was situated in the fertile Gangetic valley, providing immense agricultural wealth.
2. Symbolic Power: Following the decline of Harshavardhana's empire, Kanauj became the symbol of imperial sovereignty in North India, similar to how Pataliputra had been during the Mauryan era.
3. Trade Control: Controlling Kanauj meant controlling the trade routes of the Indo-Gangetic plain.
Analysis of other options:
- Delhi: While historically significant, Delhi did not become the central imperial hub of North India until the establishment of the Delhi Sultanate in the 12th century.
- Magadha: This was the center of power for ancient empires like the Mauryas and Guptas, but not the focal point of the Tripartite Struggle.
- Amravati: This is located in Andhra Pradesh (South India) and was associated with the Satavahanas and Buddhist art, not the conflict between these three dynasties.
Junior Engineer • 2025 • PAPER-II A
The Multidimensional Poverty Index (MPI) considers which factors?
A)
Only income levels
B)
Health, education, and standard of living
C)
Inflation and unemployment
D)
Agricultural productivity
The Multidimensional Poverty Index (MPI) was developed by the Oxford Poverty and Human Development Initiative (OPHI) and the United Nations Development Programme (UNDP). Unlike traditional poverty measures that rely solely on income or consumption, the MPI recognizes that poverty is a complex phenomenon involving multiple deprivations. It measures poverty across three critical dimensions: 1. Health (including nutrition and child mortality), 2. Education (including years of schooling and school attendance), and 3. Standard of Living (including access to cooking fuel, sanitation, drinking water, electricity, housing, and assets).
Why other options are incorrect:
- Option (a) refers to 'Monetary Poverty' or the 'Poverty Line', which is a one-dimensional measure.
- Option (c) refers to macroeconomic indicators that affect poverty but are not the direct dimensions used to calculate the MPI.
- Option (d) is a sector-specific productivity measure and not a comprehensive index for measuring human poverty.
Junior Engineer • 2025 • PAPER-II A
What does the term ‘Social Capital’ refer to?
A)
Government funding for social programs
B)
Economic resources owned by society
C)
Networks of relationships among people ina society
D)
Total wealth ofa country
Step-by-step reasoning: 1. Definition: In sociology, 'Social Capital' refers to the collective value of all social networks and the inclinations that arise from these networks to do things for each other (reciprocity). It encompasses trust, shared values, and understandings that allow individuals and groups to work together effectively. 2. Analyzing Option (c): This option correctly identifies that social capital is about the 'networks of relationships,' which is the core definition of the term. 3. Analyzing Option (a): Government funding is 'financial capital' or 'public expenditure,' not social capital. 4. Analyzing Option (b): Economic resources owned by society refer to 'physical capital' or 'collective assets.' 5. Analyzing Option (d): The total wealth of a country is measured as 'Gross National Product (GNP)' or 'Gross Domestic Product (GDP),' which is purely economic/financial capital. Therefore, option (c) is the only sociologically accurate answer.
Junior Engineer • 2025 • PAPER-II A
The term ‘Sixth Mass Extinction’ refers to-
A)
A geological phenomenon
B)
A period of increased volcanic activity
C)
Human-induced loss of species
D)
The end of the Ice Age
The 'Sixth Mass Extinction' (also known as the Holocene or Anthropocene extinction) refers to the ongoing extinction event occurring during the present epoch. Unlike the previous five mass extinctions, which were caused by natural phenomena such as asteroid impacts or massive volcanic eruptions, the current crisis is driven primarily by human activities. These include habitat destruction, overexploitation of species, pollution, the introduction of invasive species, and anthropogenic climate change.
Analysis of other options:
- Option (a) is incorrect because while extinction is recorded in the geological record, the 'Sixth' specifically refers to the biological loss caused by humans, not a general geological phenomenon.
- Option (b) is incorrect because increased volcanic activity was a primary driver of some previous extinctions (like the Permian-Triassic extinction), but not the current one.
- Option (d) is incorrect because the end of the Ice Age refers to a climatic transition (the end of the Pleistocene), not a mass extinction event.