95 previous year UPSC Prelims questions on the UPSC 2018 Prelims. Choose an option to see the answer and explanation.
Explanations state facts as of the year each question was asked; words like “recently” refer to that year.
Showing 51–60 of 95 questions
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UPSC 2018International Relations and Current Affairs · Miscellaneous
Q51. With reference to solar power production in India, consider the following statements: 1. India is the third largest in the world in the manufacture of silicon wafers used in photovoltaic units. 2. The solar power tariffs are determined by the Solar Energy Corporation of India. Which of the statements given above is/are correct?
Explanation
Statement 1 is incorrect: India does not rank third in silicon wafer manufacturing. The top three manufacturers are China, Taiwan, and South Korea. India still imports most of its solar photovoltaic (PV) wafers.
Statement 2 is incorrect: Solar tariffs in India are not determined by the Solar Energy Corporation of India (SECI), but by the Central Electricity Regulatory Commission (CERC) and state electricity regulatory commissions (SERCs) through competitive bidding.
UPSC 2018International Relations and Current Affairs · Miscellaneous
Q52. With reference to the provisions made under the National Food Security Act, 2013, consider the following statements: 1. The families coming under the category of ‘below poverty line (BPL)’ only are eligible to receive subsidised food grains. 2. The eldest woman in a household, of age 18 years or above, shall be the head of the household for the purpose of issuance of a ration card. 3. Pregnant women and lactating mothers are entitled to a ‘take-home ration’ of 1600 calories per day during pregnancy and for six months thereafter. Which of the statements given above is/are correct?
Explanation
Statement 1 is incorrect:The National Food Security Act (NFSA), 2013 aims to provide food and nutritional security to the population through subsidized food grains. The NFSA covers up to 75% of the rural population and 50% of the urban population, not just BPL families. It includes Priority House-holds and Antyodaya Anna Yojana (AAY) beneficiaries.
Statement 2 is correct: As per Section 13 of the NFSA, the eldest woman (18 years or above) is mandated to be the head of the household for the purpose of ration card issuance.
Statement 3 is incorrect: Pregnant women and lactating mothers receive free meals under the Integrated Child Devel-opment Services (ICDS) scheme, but no fixed calorie intake of 1600 kcal per day is prescribed in the NFSA.
UPSC 2018International Relations and Current Affairs · Miscellaneous
Q53. The identity platform ‘Aadhaar’ provides open "Application Programming Interfaces (APIs)". What does it imply? 1. It can be integrated into any electronic device. 2. Online authentication using iris is possible. Which of the statements given above is/are correct?
Explanation
Statement 1 is correct: Aadhaar APIs can be integrated into multiple electronic devices such as biometric scanners, mobile phones, and ATMs to enable identity verification and digital transactions.
Statement 2 is correct: Aadhaar authentication supports irisbased verification, which is more secure and accurate than fingerprint-based authentication, especially for elderly individuals and those engaged in manual labor. The Aadhaar identity platform enables seamless authentication and integration with various applications through open Application Programming Interfaces (APIs), facilitating secure digital identity verification.
UPSC 2018Environment and Ecology · Environmental Organisations
Q54. The Partnership for Action on Green Economy (PAGE), a UN mechanism to assist countries transition towards greener and more inclusive economies, emerged at
Explanation
Partnership for Action on Green Economy (PAGE) is a direct response to the Rio+20 Declaration, The Future We Want i.e. The United Nations Conference on Sustainable Development 2012, Rio de Janeiro. PAGE serves as a framework to coordinate UN efforts in the green economy and to help nations meet and track the upcoming Sustainable Development Goals. The partnership aims to place sustainability at the core of economic policies and practices, thereby advancing the 2030 Agenda for Sustainable Development. It supports countries in reshaping their economic policies around sustainability to foster growth, create jobs, reduce poverty and inequality, and strength-en ecological foundations.
UPSC 2018International Relations and Current Affairs · Miscellaneous
Q55. Consider the following statements: 1. Aadhaar card can be used as a proof of citizenship or domicile. 2. Once issued, Aadhaar number cannot be deactivated or omitted by the Issuing Authority. Which of the statements given above is/are correct?
Explanation
Statement 1 is incorrect: Aadhaar is a 12-digit unique identification number issued by UIDAI to Indian residents based on biometric and demographic data. However, it does not serve as proof of citizenship or domicile, as it is issued to all residents, including foreign nationals residing in India.
Statement 2 is incorrect: Aadhaar numbers can be deactivated or omitted by UIDAI in cases of fraud, duplication, or non-use for an extended period, as per Section 23 of the Aadhaar Act, 2016.
UPSC 2018Environment and Ecology · Environmental Organisations
Q56. "Momentum for Change: Climate Neutral Now" is an initiative launched by
Explanation
The UNFCCC Secretariat introduced the "Climate Neutral Now" initiative in 2015 to promote voluntary action towards climate neutrality. In 2016, during the UN Climate Change Conference in Marrakech (COP22), the UNFCCC Secretariat combined its "Climate Neutral Now" initiative with the "Momentum for Change" initiative, creating a new pillar focused on climate neutrality. The initiative aims to achieve a climate-neutral world by 2050, as outlined in the Paris Agreement. It provides a platform for recognizing and showcasing successful climate actions by non-Party stakeholders, including businesses, investors, cities, regions, and civil society.
UPSC 2018International Relations and Current Affairs · Miscellaneous
Q57. As per the NSSO 70th Round "Situation Assessment Survey of Agricultural Households" Consider the following statements: 1. Rajasthan has the highest percentage share of agricultural households among its rural households. 2. Out of the total agricultural households in the country, a little over 60 percent belong to OBCs. 3. In Kerala, a little over 60 percent of agricultural households reported to have received maximum income from sources other than agricultural activities. Which of the statements given above is/are correct?
Explanation
The NSSO 70th Round (2012-13) "Situation Assessment Survey of Agricultural Households" provides crucial data on the socio-economic conditions of Indian farmers.
Statement 1 is correct: Rajasthan had the highest percent-age of agricultural households (78.4 percent) among its rural households followed by Uttar Pradesh (74.8 percent) and Madhya Pradesh (70.8 percent).
Statement 2 is incorrect: As per the survey, about 45 percent out of the total agricultural households in the country belonged to Other Backward Classes (OBC). About 16% of agricultural households were from Scheduled Castes (SC) and 13 percent were from Scheduled Tribes (ST).
Statement 3 is correct: In Kerala, over 60% of agricultural households derive their main income from non-agricultur-al sources such as services, remittances, and trade due to the state’s economic structure.
UPSC 2018Polity · Parliament
Q58. Consider the following statements: 1. In the first Lok Sabha, the single largest party in the opposition was the Swatantra Party. 2. In the Lok Sabha, a "Leader of the Opposition" was recognised for the first time in 1969. 3. In the Lok Sabha, if a party does not have a minimum of 75 members, its leader cannot be recognised as the Leader of the Opposition. Which of the statements given above is/are correct?
Explanation
Statement 1 is incorrect: The Communist Party of India (CPI) was the single largest opposition party in the First General Election. CPI won in 16 seats. The Indian National Congress (INC) won a landslide victory, winning 364 of the 489 seats and nearly 45% of the total votes polled.
Statement 2 is correct: In 1969, an official leader of the opposition was recognized for the first time. However, it was given statutory recognition in 1977. They are also entitled to the salary, allowances and other facilities equivalent to that of a cabinet minister.
Statement 3 is incorrect: In order to receive the status of opposition party and Consequent Leader of Opposition in Loksabha tag a party should secure 10% of the total strength of the House i.e. 55 seats in the Lok Sabha.
UPSC 2018Polity · Parliament
Q59. With reference to the Parliament of India, which of the following Parliamentary Committees scrutinise and report to the House whether the powers to make regulations, rules, sub-rules, by-laws, etc. conferred by the Constitution or delegated by the Parliament are being properly exercised by the Executive within the scope of such delegation?
Explanation
Committee on Subordinate Legislation scrutinizes and reports to the House whether the powers to make regulations, rules, sub-rules, by-laws etc. conferred by the Constitution or delegated by Parliament are being properly exercised by the executive within the scope of such delegation. It ensures that the Executive properly exercises powers to make regulations, rules, and by-laws within the scope of delegation from Parliament. It scrutinizes subordinate legislation to ensure it aligns with the intent of the parent legislation and does not exceed the authority granted.
Option (a), (c) and (d) are incorrect:
The Committee on Government Assurances examines the assurances, promises, and undertakings given by ministers in the Parliament and reports on their implementation. The committee in the Lok Sabha comprises 15 members, while in the Rajya Sabha, it consists of 10 members. It was constituted in 1953. Rules Committee assists in the framing and amendment of the rules of procedure for the conduct of business in Parliament. The Lok Sabha committee comprises 15 members, with the Speaker serving as the ex-officio chairman. In the Rajya Sabha, the committee consists of 16 members, including the Chairman as the ex-officio chairman. The Business Advisory Committee allocates time for the consideration of bills and other business in the Parliament and decides the schedule for parliamentary sessions. The Lok Sabha committee comprises 15 members, with the Speaker serving as the chairman. In the Rajya Sabha, it consists of 11 members, with the Chairman acting as the ex-officio chairman.
UPSC 2018Indian Economy · Banking Sector in India
Q60. With reference to digital payments, consider the following statements: 1. BHIM app allows the user to transfer money to anyone with a UPI-enabled bank account. 2. While a chip-pin debit card has four factors of authentication, BHIM app has only two factors of authentication. Which of the statements given above is/are correct?
Explanation
Statement 1 is correct: The BHIM (Bharat Interface for Money) app allows users to transfer money to anyone with a UPI (Unified Payments Interface)-enabled bank account. This is achieved through a UPI ID, mobile number, or QR code which makes it a seamless and widely accessible digital payment solution. It is a government-backed app designed to facilitate digital payments which promoting interoperability among various banks.
Statement 2 is incorrect: Both systems adhere to the Reserve Bank of India’s (RBI) mandate for two-factor authentication to enhance the security of digital transactions. Chip-PIN Debit Card typically employs two-factor authentication (2FA) not four-factor:
Possession Factor: The physical debit card.
Knowledge Factor: The Personal Identification Number (PIN) known to the user. BHIM App also utilizes two-factor authentication:
Possession Factor: The mobile device registered with the user’s bank account. Knowledge Factor: The UPI PIN set by the user.
Answer key for these questions
Q
UPSC year
Correct answer
51
2018
(d) Neither 1 nor 2
52
2018
(b) 2 only
53
2018
(c) Both 1 and 2
54
2018
(b) The United Nations Conference on Sustainable Development 2012, Rio de Janeiro
55
2018
(d) Neither 1 nor 2
56
2018
(c) The UNFCCC Secretariat
57
2018
(c) 1 and 3 only
58
2018
(b) 2 only
59
2018
(b) Committee on Subordinate Legislation
60
2018
(a) 1 only
Frequently asked questions
How many previous year UPSC questions are there on all subjects?
This page covers 95 previous year UPSC Prelims GS Paper-I questions on the UPSC 2018 Prelims, asked from 1995 to 2025. Each has the correct answer and an explanation.
How should I use previous year UPSC questions for Prelims?
Attempt each question first, then open the answer and read the explanation for every option. Repeat by chapter, and track which statements UPSC reuses across years. Previous year questions show the exam pattern and difficulty level.
Which years are covered for all subjects?
Questions on the UPSC 2018 Prelims are available for 31 years, from 1995 to 2025. Use the Year filter to practise a single paper.