UPSC CSE · General Studies Paper I
UPSC Prelims 2025 Question Paper with Answers & Explanations
100 questions from the UPSC Prelims 2025 General Studies Paper I paper, in paper order, each with its answer and a full explanation. Difficulty split: 17% easy, 67% medium and 16% hard. Subjects covered: Science and Technology, Environment and Ecology, International Relations, Modern History, Ancient History and more.
Consider the following types of vehicles:
I. Full battery electric vehicles
II. Hydrogen fuel cell vehicles
III. Fuel cell-electric hybrid vehicles
How many of the above are considered as alternative powertrain vehicles?
With reference to Unmanned Aerial Vehicles (UAVs), consider the following statements:
I. All types of UAVs can do vertical landing.
II. All types of UAVs can do automated hovering.
III. All types of UAVs can use battery only as a source of power supply.
How many of the statements given above are correct?
In the context of electric vehicle batteries, consider the following elements:
I. Cobalt
II. Graphite
III. Lithium
IV. NickelHow many of the above usually make up battery cathodes?
Consider the following:
I. Cigarette butts
II. Eyeglass lenses
III. Car tyresHow many of them contain plastic?
Consider the following substances:
I. Ethanol
II. Nitroglycerine
III. UreaCoal gasification technology can be used in the production of how many of them?
What is the common characteristic of the chemical substances generally known as CL-20, HMX and LLM-105, which are sometimes talked about in media?
Consider the following statements:
I. It is expected that Majorana I chip will enable quantum computing.
II. Majorana I chip has been introduced by Amazon Web Services (AWS).
III. Deep learning is a subset of machine learning.
Which of the statements given above are correct?
With reference to monoclonal antibodies, often mentioned in news, consider the following statements:
I. They are man-made proteins.
II. They stimulate immunological function due to their ability to bind to specific antigens.
III. They are used in treating viral infections like that of Nipah virus.
Which of the statements given above are correct?
Consider the following statements:
I. No virus can survive in ocean waters.
II. No virus can infect bacteria.
III. No virus can change the cellular transcriptional activity in host cells.
How many of the statements given above are correct?
Consider the following statements:
Statement-I:
Activated carbon is a good and an attractive tool to remove pollutants from effluent streams and to remediate contaminants from various industries.Statement-II:
Activated carbon exhibits a large surface area and a strong potential for adsorbing heavy metals.Statement-III:
Activated carbon can be easily synthesised from environmental wastes with high carbon content.Which one of the following is correct in respect of the above statements?
Show answer
Answer: A. Both Statement II and Statement III are correct and both of them explain Statement I
Consider the following statements:
Statement I:
Studies indicate that carbon dioxide emissions from cement industry account for more than 5% of global carbon emissions.Statement II:
Silica-bearing clay is mixed with limestone while manufacturing cement.Statement III:
Limestone is converted into lime during clinker production for cement manufacturing.Which one of the following is correct in respect of the above statements?
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Answer: A. Both Statement II and Statement III are correct and both of them explain Statement I
Consider the following statements:
Statement I:
At the 28th United Nations Climate Change Conference (COP28), India refrained from signing the 'Declaration on Climate and Health'.Statement II:
The COP 28 Declaration on Climate and Health is a binding declaration; and if signed, it becomes mandatory to decarbonize health sector.Statement III:
If India's health sector is decarbonized, the resilience of its health-care system may be compromised.Which one of the following is correct in respect of the above statements?
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Answer: C. Only one of the Statements II and III is correct and that explains Statement I
Consider the following statements:
Statement I:
Scientific studies suggest that a shift is taking place in the Earth's rotation and axis.Statement II:
Solar flares and associated coronal mass ejections bombarded the Earth's outermost atmosphere with tremendous amount of energy.Statement III:
As the Earth's polar ice melts, the water tends to move towards the equator.Which one of the following is correct in respect of the above statements?
Show answer
Answer: B. Both Statement II and Statement III are correct but only one of them explains Statement I
Consider the following statements:
Statement I:
Article 6 of the Paris Agreement on climate change is frequently discussed in global discussions on sustainable development and climate change.Statement II:
Article 6 of the Paris Agreement on climate change sets out the principles of carbon markets.Statement III:
Article 6 of the Paris Agreement on climate change intends to promote inter-country non-market strategies to reach their climate targets.Which one of the following is correct in respect of the above statements?
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Answer: A. Both Statement II and Statement III are correct and both of them explain Statement I
Which one of the following launched the 'Nature Solutions Finance Hub for Asia and the Pacific'?
With reference to 'Direct Air Capture', an emerging technology, which of the following statements is/are correct?
I. It can be used as a way of carbon sequestration.
II. It can be a valuable approach for plastic production and in food processing.
III. In aviation, it can be a source of carbon for combining with hydrogen to create synthetic low-carbon fuel.
Select the correct answer using the code given below.
Regarding Peacock tarantula (Gooty tarantula), consider the following statements:
I. It is an omnivorous crustacean.
II. Its natural habitat in India is only limited to some forest areas.
III. In its natural habitat, it is an arboreal species.
Which of the statements given above is/are correct?
Consider the following statements:
I. Carbon dioxide (CO2) emissions in India are less than 0.5 t CO2/capita.
II. In terms of CO2 emissions from fuel combustion, India ranks second in Asia-Pacific region.
III. Electricity and heat producers are the largest source of CO2 emissions in India.
Which of the statements given above is/are correct?
Consider the following pairs:
Plant Description
I. Cassava : Woody shrub
II. Ginger : Herb with pseudostem
III. Malabar spinach : Herbaceous climber
IV. Mint : Annual shrub
V. Papaya : Woody shrub
How many of the above pairs are correctly matched?
With reference to the planet Earth, consider the following statements:
I. Rain forests produce more oxygen than that produced by oceans.
II. Marine phytoplankton and photo-synthetic bacteria produce about 50% of world's oxygen.
III. Well-oxygenated surface water contains several folds higher oxygen than that in atmospheric air.
Which of the statements given above is/are correct?
- Q21 · Modern History · Raja Ram Mohan Roy
Consider the following statements about Raja Ram Mohan Roy:
I. He possessed great love and respect for the traditional philosophical systems of the East.
II. He desired his countrymen to accept the rational and scientific approach and the principle of human dignity and social equality of all men and women.
Which of the statements given above is/are correct?
Consider the following subjects with regard to Non-Cooperation Programme:
I. Boycott of law-courts and foreign cloth
II. Observance of strict non-violence
III. Retention of titles and honours without using them in public
IV. Establishment of Panchayats for settling disputes
How many of the above were parts of Non-Cooperation Programme?
The irrigation device called 'Araghatta' was
Show answer
Answer: B. a large wheel with earthen pots tied to the outer ends of its spokes
Who among the following rulers in ancient India had assumed the titles 'Mattavilasa', 'Vichitrachitta' and 'Gunabhara'?
Fa-hien (Faxian), the Chinese pilgrim, travelled to India during the reign of
Who among the following led a successful military campaign against the kingdom of Srivijaya, the powerful maritime State, which ruled the Malay Peninsula, Sumatra, Java and the neighbouring islands?
With reference to ancient India (600–322 BC), consider the following pairs:
Territorial Region — River flowing in the region
I. Asmaka : Godavari
II. Kamboja : Vipas
III. Avanti : Mahanadi
IV. Kosala : Sarayu
How many of the pairs given above are correctly matched?
The first Gandharva Mahavidyalaya, a music training school, was set up in 1901 by Vishnu Digambar Paluskar in:
Ashokan inscriptions suggest that the 'Pradeshika', 'Rajuka' and 'Yukta' were important officers at the:
Consider the following statements in respect of the Non-Cooperation Movement:
I. The Congress declared the attainment of 'Swaraj' by all legitimate and peaceful means to be its objective.
II. It was to be implemented in stages with civil disobedience and non-payment of taxes for the next stage only if 'Swaraj' did not come within a year and the Government resorted to repression.
Which of the statements given above is/are correct?
With reference to investments, consider the following:
I. Bonds
II. Hedge Funds
III. Stocks
IV. Venture Capital
How many of the above are treated as Alternative Investment Funds?
- Q32 · Indian Economy · RBI Income Sources
Which of the following are the sources of income for the Reserve Bank of India?
I. Buying and selling Government bonds
II. Buying and selling foreign currency
III. Pension fund management
IV. Lending to private companies
V. Printing and distributing currency notes
Select the correct answer using the code given below.
With reference to the Government of India, consider the following information:
Organization — Some of its functions — It works under
I. Directorate of Enforcement — Enforcement of the Fugitive Economic Offenders Act, 2018 — Internal Security Division-I, Ministry of Home Affairs
II. Directorate of Revenue Intelligence — Enforces the provisions of the Customs Act, 1962 — Department of Revenue, Ministry of Finance
III. Directorate General of Systems and Data Management — Carrying out big data analytics to assist tax officers for better policy and nabbing tax evaders — Department of Revenue, Ministry of Finance
In how many of the above rows is the information correctly matched?
Consider the following statements:
I. The Reserve Bank of India mandates all the listed companies in India to submit a Business Responsibility and Sustainability Report (BRSR).
II. In India, a company submitting a BRSR makes disclosures in the report that are largely non-financial in nature.
Which of the statements given above is/are correct?
Consider the following statements:
Statement I:
In India, income from allied agricultural activities like poultry farming and wool rearing in rural areas is exempted from any tax.Statement II:
In India, rural agricultural land is not considered a capital asset under the provisions of the Income-tax Act, 1961.Which one of the following is correct in respect of the above statements?
Show answer
Answer: D. Statement I is not correct but Statement II is correct
Consider the following statements:
I. India has joined the Minerals Security Partnership as a member.
II. India is a resource-rich country in all the 30 critical minerals that it has identified.
III. The Parliament in 2023 has amended the Mines and Minerals (Development and Regulation) Act, 1957 empowering the Central Government to exclusively auction mining lease and composite license for certain critical minerals.
Which of the statements given above are correct?
Consider the following statements:
Statement I:
As regards returns from an investment in a company, generally, bondholders are considered to be relatively at lower risk than stockholders.Statement II:
Bondholders are lenders to a company whereas stockholders are its owners.Statement III:
For repayment purpose, bondholders are prioritized over stockholders by a company.Which one of the following is correct in respect of the above statements?
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Answer: A. Both Statement II and Statement III are correct and both of them explain Statement I
Consider the following statements:
I. India accounts for a very large portion of all equity option contracts traded globally thus exhibiting a great boom.
II. India's stock market has grown rapidly in the recent past even overtaking Hong Kong's at some point of time.
III. There is no regulatory body either to warn the small investors about the risks of options trading or to act on unregistered financial advisors in this regard.
Which of the statements given above are correct?
Consider the following statements:
Statement I:
Circular economy reduces the emissions of greenhouse gases.Statement II:
Circular economy reduces the use of raw materials as inputs.Statement III:
Circular economy reduces wastage in the production process.Which one of the following is correct in respect of the above statements?
Show answer
Answer: A. Both Statement II and Statement III are correct and both of them explain Statement I
- Q40 · Indian Economy · Capital Receipts
Consider the following statements:
I. Capital receipts create a liability or cause a reduction in the assets of the Government.
II. Borrowings and disinvestment are capital receipts.
III. Interest received on loans creates a liability of the Government.
Which of the statements given above are correct?
- Q41 · International Relations · NATO Members
Consider the following countries:
I. Austria
II. Bulgaria
III. Croatia
IV. Serbia
V. Sweden
VI. North Macedonia
How many of the above are members of the North Atlantic Treaty Organization?
- Q42 · Geography · Andes Countries
Consider the following countries:
I. Bolivia
II. Brazil
III. Colombia
IV. Ecuador
V. Paraguay
VI. Venezuela
Andes mountains pass through how many of the above countries?
- Q43 · Geography · Equator Water Bodies
Consider the following water bodies:
I. Lake Tanganyika
II. Lake Tonlé Sap
III. Patos Lagoon
Through how many of them does the equator pass?
- Q44 · Geography · Turmeric Production Exports
Consider the following statements about turmeric during the year 2022-23:
I. India is the largest producer and exporter of turmeric in the world.
II. More than 30 varieties of turmeric are grown in India.
III. Maharashtra, Telangana, Karnataka and Tamil Nadu are major turmeric producing States in India.
Which of the statements given above are correct?
- Q45 · Geography · Continental Drift Evidence
Which of the following are the evidences of the phenomenon of continental drift?
I. The belt of ancient rocks from Brazil coast matches with those from Western Africa.
II. The gold deposits of Ghana are derived from the Brazil plateau when the two continents lay side by side.
III. The Gondwana system of sediments from India is known to have its counterparts in six different landmasses of the Southern Hemisphere.
Select the correct answer using the code given below.
Consider the following statements:
Statement I:
The amount of dust particles in the atmosphere is more in subtropical and temperate areas than in equatorial and polar regions.Statement II:
Subtropical and temperate areas have less dry winds.Which one of the following is correct in respect of the above statements?
Show answer
Answer: C. Statement I is correct but Statement II is not correct
- Q47 · Geography · January Isotherms Bending
Consider the following statements:
Statement I:
In January, in the Northern Hemisphere, the isotherms bend equatorward while crossing the landmasses, and poleward while crossing the oceans.Statement II:
In January, the air over the oceans is warmer than that over the landmasses in the Northern Hemisphere.Which one of the following is correct in respect of the above statements?
Show answer
Answer: A. Both Statement I and Statement II are correct and Statement II explains Statement I
- Q48 · Geography · Chalk Permeability
Consider the following statements:
Statement I:
In the context of effect of water on rocks, chalk is known as a very permeable rock whereas clay is known as quite an impermeable or least permeable rock.Statement II:
Chalk is porous and hence can absorb water.Statement III:
Clay is not at all porous.Which one of the following is correct in respect of the above statements?
Show answer
Answer: C. Only one of the Statements II and III is correct and that explains Statement I
Consider the following statements:
I. Without the atmosphere, temperature would be well below freezing point everywhere on the Earth's surface.
II. Heat absorbed and trapped by the atmosphere maintains our planet's average temperature.
III. Atmosphere's gases, like carbon dioxide, are particularly good at absorbing and trapping radiation.
Which of the statements given above are correct?
Consider the following statements about the Rashtriya Gokul Mission:
I. It is important for the upliftment of rural poor, as majority of low producing indigenous animals are with small and marginal farmers and landless labourers.
II. It was initiated to promote indigenous cattle and buffalo rearing and conservation in a scientific and holistic manner.
Which of the statements given above is/are correct?
- Q51 · Polity · Panchayats Intermediate Level
Consider the following statements:
I. Panchayats at the intermediate level exist in all States.
II. To be eligible to be a Member of a Panchayat at the intermediate level, a person should attain the age of thirty years.
III. The Chief Minister of a State constitutes a commission to review the financial position of Panchayats at the intermediate levels and to make recommendations regarding the distribution of net proceeds of taxes and duties, leviable by the State, between the State and Panchayats at the intermediate level.
Which of the statements given above are NOT correct?
Consider the following statements in respect of BIMSTEC:
I. It is a regional organization consisting of seven member States till January 2025.
II. It came into existence with the signing of the Dhaka Declaration, 1999.
III. Bangladesh, India, Sri Lanka, Thailand and Nepal are founding member States of BIMSTEC.
IV. In BIMSTEC, the subsector of 'tourism' is being led by India.
Which of the statements given above is/are correct?
Who amongst the following are members of the Jury to select the recipient of 'Gandhi Peace Prize'?
I. The President of India
II. The Prime Minister of India
III. The Chief Justice of India
IV. The Leader of Opposition in the Lok Sabha
Select the correct answer using the code given below.
GPS-Aided Geo Augmented Navigation (GAGAN) uses a system of ground stations to provide necessary augmentation. Which of the following statements is/are correct in respect of GAGAN?
I. It is designed to provide additional accuracy and integrity.
II. It will allow more uniform and high quality air traffic management.
III. It will provide benefits only in aviation but not in other modes of transportation.
Select the correct answer using the code given below.
Consider the following statements regarding AI Action Summit held in Grand Palais, Paris in February 2025:
I. Co-chaired with India, the event builds on the advances made at the Bletchley Park Summit held in 2023 and the Seoul Summit held in 2024.
II. Along with other countries US and UK also signed the declaration on inclusive and sustainable AI.
Which of the statements given above is/are correct?
Consider the following pairs:
I. International Year of the Woman Farmer : 2026
II. International Year of Sustainable and Resilient Tourism : 2027
III. International Year of Peace and Trust : 2025
IV. International Year of Asteroid Awareness and Planetary Defence : 2029
How many of the pairs given above are correctly matched?
Consider the following statements with regard to BRICS:
I. 16th BRICS Summit was held under the Chairship of Russia in Kazan.
II. Indonesia has become a full member of BRICS.
III. The theme of the 16th BRICS Summit was Strengthening Multiculturalism for Just Global Development and Security.
Which of the statements given above is/are correct?
- Q58 · Polity · Lokpal Powers
Consider the following statements about Lokpal:
I. The power of Lokpal applies to public servants of India, but not to the Indian public servants posted outside India.
II. The Chairperson or a Member shall not be a Member of the Parliament or a Member of the Legislature of any State or Union Territory, and only the Chief Justice of India, whether incumbent or retired, has to be its Chairperson.
III. The Chairperson or a Member shall not be a person of less than forty-five years of age on the date of assuming office as the Chairperson or Member, as the case may be.
IV. Lokpal cannot inquire into the allegations of corruption against a sitting Prime Minister of India.
Which of the statements given above is/are correct?
Consider the following statements in respect of the first Kho Kho World Cup:
I. The event was held in Delhi, India.
II. Indian men beat Nepal with a score of 78-40 in the final to become the World Champion in men category.
III. Indian women beat Nepal with a score of 54-36 in the final to become the World Champion in women category.
Which of the statements given above is/are correct?
Consider the following statements:
I. In the finals of the 45th Chess Olympiad held in 2024, Gukesh Dommaraju became the world's youngest winner after defeating the Russian player Jan Nepomniachtchi.
II. Abhimanyu Mishra, an American chess player, holds the record of becoming world's youngest ever Grandmaster.
Which of the statements given above is/are correct?