Solve the Group 1 Prelims 2025 June TNPSC Group 1 previous year paper with the official answer key and detailed explanations in English and Tamil. 100 questions free — unlock the remaining 100 with Pro.
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Which of statements are True?
(i) Octane number increases with chain length.
(ii) Cycloalkanes have higher Octane number than straight chain alkanes.
(iii) Alkenes and aromatic hydrocarbon have higher Octane number than straight chain alkanes.
(iv) Branched chain alkanes have lower octane number than straight chain alkanes.
Match the following hormone with the disorder caused:
| Column - A | Column - B |
| (a) Insulin | 1. Cushing's syndrome |
| (b) Thyroxine | 2. Diabetes insipidus |
| (c) Glucocorticoids | 3. Acromegaly |
| (d) Growth hormone | 4. Goitre |
| 5. Diabetes Mellitus |
Choose the right matches:
| (1) Carotenoid | C55H70O5N4Mg |
| (2) Chlorophyll 'a' | C55H72O5N4Mg |
| (3) Chlorophyll 'b' | C55H70O6N4Mg |
| (4) Xanthophyll | C50H70O5Mg |
The Nobel Prize in Medicine was awarded to Victor Ambros and Gary Ruvkun for their discovery of
Which of the following statements are true about crew selection and training for "Gaganyaan Mission"?
(i) Crews are selected after clinical, psychological and aeromedical examination.
(ii) Mission-specific training will be conducted at ISRO, Trivandrum.
(iii) Selected astronauts will undergo their generic spaceflight training in Yuri Gagarin Cosmonaut training centre, Russia.
Which of the following statements are correct about PFAS?
(i) PFAS is per and poly fluoro alkyl substances.
(ii) It is used in paint industries.
(iii) PFAS are endocrine disrupters.
The biological oxygen demand is the amount of dissolved oxygen required by microbes in water.
Which of the following is the first Indian Geo-Stationary Satellite?
Who among the following tribes act as cattle keepers?
Assertion [A]: Development of a nation depends on infrastructure facilities.
Reason [R] : Transport and communication are the back bone of economic development.
Match the following type: Match correctly the river and its places of rises.
| Column - A | Column - B |
|---|---|
| (a) The Krishna | 1. Garwal Tibet border |
| (b) The Alaknanda | 2. Central Himalayas |
| (c) The Gandak | 3. Tibet |
| (d) The Brahmaputra | 4. Sahyadris |
Arrange the following events in chronological order.
(i) Ahemadabad Mill Strike
(ii) Champaran Satyagraha
(iii) Kheda Satyagraha
(iv) Rowlatt Satyagraha
How did education contribute to the Indian Renaissance?
(i) Contributed Growth of Money
(ii) Promoting scientific learning
(iii) Promoted social and cultural progress
Match the following:
| Column - A | Column - B |
| (a) Peshwa | 1. Foreign Secretary |
| (b) Amatya | 2. Chief Minister |
| (c) Sachiva | 3. Finance Minister |
| (d) Sumant | 4. Superintendent |
Choose the right matches among type :
| Column - A (Journal) | Column - B (Author) |
| (a) 'Indian World' Journal | 1. J.S. Buckingham |
| (b) 'Telegraph' Journal | 2. Charles MacLean |
| (c) 'Bengal Kirkaru' Journal | 3. Mekenly |
| (d) 'Calcutta' Journal | 4. Duane |
Reason and Assertion type:
Assertion [A]: Cinema was becoming popular in 1940's.
Reason [R] : Anna could achieve his ideals through Cinema Artists.
Which one of the following is correctly matched?
In Tuticorin, Tamil Nadu, Subramaniya Siva Campaigned for strike in 1908.
Which of the following statements are true?
(i) The National population policy, was promulgated in April 1976.
(ii) Included provisions for health care, nutrition and more stress on Education for girls.
(iii) The goal was an eventual average family size of two children.
Who founded the Satya Shodak Samaj in 1873?
Which among the following was the first Christian Ashram established in South?
The Talaikota Battle was also called as ______
Shivaji was crowned as an independent king at
In the Indus Valley civilization the major commodities in Internal trade consist of
(1) Cotton
(2) Lumber
(3) Grain and food stuffs
(4) Livestock
Which is/are the aims of a sound "Theosophical Society"?
(i) Believes in Karma, Yoga and Indian Philosophy.
(ii) Universal spiritual brotherhood.
(iii) To protect the society from evil practices.
Assertion [A]: The zonal councils owe their origin to the constitution.
Reason [R]: The zonal councils are the logical outcome of the reorganisation of states on a linguistic basis.
Sexual Harassment of Women at Workplace Act was enacted in the year
Arrange the following events in chronological order.
1. Golaknath v/s State of Punjab
2. Keshvananda Bharati v/s State of Kerala
3. Minerva Mills Ltd. v/s State of India
4. A.K. Gopalan v/s State of Madras
Match correctly with the Suitable Act.
| Column - A | Column - B |
|---|---|
| (a) Preventive Detention Act (PDA) in India | 1. 1971 |
| (b) The National Emergencies Act was signed into law by President Gerald Ford | 2. 1974 |
| (c) The Indo-Pakistan war | 3. 1950 |
| (d) Conservation of Foreign Exchange and Prevention of Smuggling Activities Act | 4. 1976 |
Consider the following Statements, Choose the correct answer:
(i) January 30th is the Death anniversary of Annal Gandhi Adigal
(ii) January 23rd is the Birth Anniversary of Netaji Subash Chandra Bose
(iii) April 14th is the Birth Anniversary of Annal Ambedkar
(iv) October 13th is the Birth Anniversary of Sardar Vallabhai Patel
Consider the Assertion (A) and Reason (R) and choose the correct answer.
Assertion [A]: A remarkable difference between China and India was observed regarding mass politics around air pollution control.
Reason [R]: China employed the approach of historical institutionalism to control air pollution.
Which of the following are the objectives of Tamilnadu safe and Ethical Artificial Intelligence Policy, 2020?
(i) To establish guidelines for the evaluation of AI systems before its rolled out for public use
(ii) To provide restricted access to open data, data models and computing resources
(iii) To promote investments in AI R & D in Tamilnadu
Which is/are the objective/s of a Right to Information Act 2005?
(i) RTI is empower to citizens, promote transparency and accountability in the working of Govt.
(ii) The Act is a big step towards making the citizens informed about the activities of Govt.
(iii) This Act provides right to access information from public authorities, which is guaranteed Art. 13 of constitution.
Which among the following was the first state in India to constitute an institution of Lok Ayukta?
Which of the following statements are true about Election Commission of India?
(i) Conduct elections to parliament, State Legislatures and to the office of President and the Vice-President
(ii) India's First Woman Chief Election Commissioner Ms. V.S. Ramadevi
(iii) India's first Chief Election Commissioner Mr. S.P. Sen Varma
Match:
| Column - A | Column - B |
|---|---|
| (a) Article 257(A) | 1. Grants-in-aid |
| (b) Article 131 | 2. Judicial proceedings |
| (c) Article 245(1) | 3. Supreme Court |
| (d) Article 275 | 4. State Jurisdiction |
| 5. 42nd Amendment Act |
Choose the correct matches from the following.
| Finance Commission | Chairman |
|---|---|
| (i) Fourth Finance Commission | A.K. Chanda |
| (ii) Tenth Finance Commission | Shri K.C. Pant |
| (iii) Sixth Finance Commission | Dr. Rajamannar |
| (iv) Ninth Finance Commission | Shri N.K.P. Salve |
The Financial Position of the Panchayat is reveiwed under
Which of the following statements are true about the qualifications for membership of the state legislature?
(i) 25 years of age in the case of Legislative Assembly
(ii) 30 years of age in the case of Legislative Council
(iii) Possesses such other qualifications as may not be prescribed by law passed by parliament
The Madras Legislative Council was formed by the
Arrange the following stages in the enactment of Budget in Ascending order
1. Voting on Demand for grants
2. Passing of Finance bill
3. Passing of Appropriation bill
4. Scrutiny by departmental committees
Consider the following statements about the Electoral College of Presidential Election, which among the following statements is correct?
Assertion [A]: Article 51-A does not expressly cast any fundamental duty on the state.
Reason [R]:The duty of every citizen of India is the collective duty of the state.
Which of the following articles on Fundamental Rights is incorrectly paired?
| Article | Description |
| 1. Article 12 | Definition of State |
| 2. Article 21 | Right to Education |
| 3. Article 34 | Power of the Parliament to modify the rights |
| 4. Article 35 | Legislation to give effect to the provisions of the fundamental rights |
The word "union" in the "Union of States" in our Constitution was inspired by the
Choose the right matches:
| Provision | Article |
|---|---|
| 1. Power of High Courts to issue certain writs | Article 226 |
| 2. Transfer of certain cases to High Court | Article 178 |
| 3. Establishment of a common High Court for two (or) more states | Article 231 |
| 4. Extension of jurisdiction of High Courts to Union Territories | Article 320 |
Consider the following statements, and choose the correct answer:
(i) The American Constitution was the first to begin with a preamble.
(ii) "Preamble" to the Indian Constitution, resembles "Independence of the United States" observes N.A. Palkhivala.
(iii) Justice M. Hidayatullah, called the preamble, as the Identity Card of the Constitution.
(iv) A Republic Includes all public offices being opened to every citizen without any discrimination.
State Industries Promotion Corporation of Tamil Nadu (SIPCOT) was established by Tamil Nadu Government for the development of
(i) Large Scale Industries
(ii) Medium Scale Industries
(iii) Small Scale Industries
the scheme "pradhan mantri janjatiya unnat gram abhiyan" focuses on
(i) to improve the socio-economic condition of tribal communities
(ii) to empower tribal women and promote gender equality
(iii) to provide high quality education for the tribal children
from the following in the year 1962 in the wake of chinese invasion which act was passed?
(i) anti-secession act
(ii) anti-immigration act
(iii) anti-trafficking act
Assertion [A]: Social Justice basically does not deal with equal social opportunities.
Reason [R]: Social Justice is non-proportional to either social equality or social rights.
Assertion [A]: The overall policy framework for the social sectors in India is laid out by the Central Government.
Reason [R]: The State governments have considerable flexibility in designing policies.
Choose the right matches
| Description | Year |
|---|---|
| (i) The first communal order for distribution of appointments among various castes | 1920 |
| (ii) First Backward Class Commission of Tamilnadu was appointed | 1970 |
| (iii) Ambasankar Commission | Reservation totalling to 69% |
| (iv) Report on Tamilnadu Backward Classes Commission justifying the existing reservation | 8th July 2011 |
Match the following schemes with their respective beneficiaries:
| Scheme | Beneficiary Group |
|---|---|
| (a) Babu Jagjivan Ram Chhatravas Yojana | 1. Scheduled castes |
| (b) Atal Vayo Abhyuday Yojana | 2. Minorities |
| (c) Pradhan Mantri Jan Vikas Karyakram Yojana | 3. Scheduled tribes |
| (d) Pradhan Mantri Janjantiya Vikas Mission | 4. Senior citizens |
the justice party was established in the year 1916 by whom?
Arrange the event in chronological order
(1) South Indian liberal Federation was formed
(2) Madras United League was renamed as Madras Dravidian Association
(3) Periyar E.V.R. transformed the Justice Party into Dravidar Kazhagam
(4) The Ministry of A. Subbarayalu Reddiar fought against the Swarajya Party
The following statements are about the Tamil Nadu Government's initiatives: Find the correct statements.
(a) Allocation of 5 crores to translate all the works of Annal Ambedkar into Tamil through Tamil Development Department
(b) 10 crores for establishment of Tamil Parapurai Kazhagam
(c) Allocation of 5 crore for creation of separate department of Tamil Literature in JNU, Delhi
(d) 30 lakhs financial support for Theera Kaadhal Thirukural Project
"Over half of India's GDP comes from rural India and almost two thirds of rural GDP comes from non-farm activities. Despite this, there are too many people engaged in low productivity occupations, and a lot more work of better, predictable nature is needed to enable a better life for rural India's inhabitants, especially the young".
What can be inferred from the above statement about the economic contribution of rural India to the overall GDP?
Which of the following statements are true about "The Chief Minister's Breakfast Scheme"?
(i) It has increased student attendance to high schools
(ii) Primary school children benefit from the scheme
(iii) The scheme has led to improvement in learning skills among children
(iv) The scheme is limited to government schools only
Match the four engines of development in the Budget 2025-2026:
| Engines | Sector |
| (a) 1st Engine | 1. MSMEs |
| (b) 2nd Engine | 2. Export |
| (c) 3rd Engine | 3. Agriculture |
| (d) 4th Engine | 4. Investment in people |
Which of the following statement(s) are correct about "Tamil Pudalvan" Scheme?
(i) Launched on October 2024.
(ii) Improve the financial status of all male students studying in government school after school education.
(iii) Monthly financial assistance of Rs. 1,000.
Why Business Firms choose Tamil Nadu as their preferred destination for investment?
Name the scheme, a Tri-ministerial effort which includes Women and Child Development, Health and Family Welfare and Human Resource Development.
Assertion [A]: During 2001 to 2026, for the states Bihar, Madhya Pradesh, Rajasthan and Uttar Pradesh, the population is expected to increase by 45-55%.
Reason [R]: More than half of demographic transition is expected during that period.
Assertion [A]: The demographic dividend is defined as a rise in the rate of economic growth due to a rising share of working age people in a population.
Reason [R]: India is in the midst of a process where it faces the window of opportunity created by demographic dividend.
Match with the schemes and its main focus:
| Scheme | Main Focus |
|---|---|
| (a) PMGSY | 1. Focus on rural youth between the age of 15 to 35 years from poor families |
| (b) DDUGKY | 2. Sustainable livelihood opportunities |
| (c) NRLM | 3. Rural connectivity |
| (d) MGNREGA | 4. Livelihood security in rural areas |
Match the following:
Water Conservation Programmes and States
| States | Programmes |
|---|---|
| (a) Andhra Pradesh | 1. Jal Jeevan Hariyali |
| (b) Bihar | 2. Neeru Chettu |
| (c) Gujarat | 3. Jal Hi Jeevan Hai |
| (d) Haryana | 4. Sujalam Sufalam Jal Sanchay Abhiyan |
Assertion [A]: There has been a significant rise in the percentage of labour force engaged in Industrial sector during 1990s and 2000s.
Reason [R] : There has been a significant rise in employment in the construction sector between 1991 and 2011.
Which of the following is not the function of the Finance Commission in India?
Which of the following statement is true?
(1) Increasing Bank rate policy reduces borrowing among businessmen
(2) To control inflation RBI increases bank rate policy
(3) Bank rate policy helps to control increasing price of goods
Match the following:
| Column - A | Column - B |
| (a) Jawaharlal Nehru | 1. People's plan |
| (b) S.N. Agarwal | 2. Sarvodhaya plan |
| (c) J.P. Narayan | 3. Gandhian plan |
| (d) M.N. Roy | 4. National Planning Commission |
Achieved growth rate of Eleventh Five Year plan is
According to Ragner Nurkse the starting point and continuation for development lies in _____________
When one sees the person who taught not forgetting what they taught is dealt in the chapter
"Ozhukkaaraak Kolka Oruvandhan Nenjaththu
Azhukkaaru Iladha Iyalpu". What is the meaning of the word "Azhukkaaru"?
Pick out the incorrectly paired from the following:
| (1) 1962 | The Madras State (Alteration of Name) Act was passed by the Parliament |
| (2) 1967 | Perarignar Anna sworn in as the Chief Minister of Tamil Nadu |
| (3) 1968 | Perarignar Anna was elected to the Rajya Sabha |
| (4) 1969 | The Madras State (Alteration of Name) Act came into force |
Find out the rightly matched pair/s from the following and choose the correct answer from the code given.
| (1) 1925 | Periyar EVR started the periodical 'Kudi Arasu' |
| (2) 1928 | The English periodical 'Revolt' was started |
| (3) 1934 | Periyar published 'Viduthalai' as a Tamil Daily Newspaper |
| (4) 1937 | Periyar brought out the Tamil Weekly 'Pagutharivu' |
Assertion [A]: Tamilnadu Women Conference held on 13.11.1938 at Chennai under the leadership of T. Neelambikai Ammaiyar.
Reason [R]:resolution for This conference passed an abolition of caste discrimination and the title "Periyar" was conferred on E.V. Ramasamy by this Tamil Nadu Women Conference.
Match correctly books/journals with authors
| Column - A | Column - B |
| (a) The Mirror of the Year | 1. A.P. Patro |
| (b) History of the Justice Party | 2. N.S. Elango |
| (c) From Sir Theagarayar to Dr. Kalaignar | 3. Muthusami Pillai |
| (d) Justice Movement | 4. A.R. Mudaliar |
The members of the Justice Party were sent to meet Joint select committee in London for finalise Government India Act in 1919
(i) Arcot Ramasamy Mudaliyar
(ii) Koka Apparao
(iii) T.A. Ramalingam
(iv) S.K. Thulasiram
Choose the right matches among type.
| (1) Krishnabai Nimbkar | Madras Youth League |
| (2) Rukmini Lakshmipathi | President of the Madras Women's Students Organisation |
| (3) Antony Ammal | Pankaja Textile Mill |
| (4) Manjubhashini | Acting President of the Tamil Nadu Congress Committee during Quit India Movement |
Assertion [A]:The company asked the Collector of Ramnad to Summon Kattabomman to his office at Ramnad.
Reason [R]: Kattabomman was asked to meet the Collector in connection with the arrears of tribute that he owed to the company.
Arrange the following events in chronological order:
(1) Salt Satyagraha
(2) Swadeshi Movement
(3) Quit India Movement
(4) Non Co-operation Movement
Identify the person who uttered that, "Nothing can be done without shedding of blood. Japan was prepared to sacrifice 20,000 men and gained a victory over Russia. If 15 crores of Indians do the same, "Swaraj will be obtained".
Choose the right matches among type:
| 1. Porpanaikottai | A sangam age fort |
| 2. Iron Knife | Pallavaram |
| 3. Merchant Guild Inscription | Mayiladumparai |
| 4. Sarcophagus | Marungur |
Arrange the following with reference to different stages of human development:
1. The Nomadic stage
2. The pastoral stage
3. The hunting stage
4. The agricultural stage
The Ocean of birth swims, swims and does not join the Lord - What is the philosophy of this Kural?
Thirukkural Uraiasiriarkal:
(i) Pariperumal
(ii) Dharumar
(iii) Ki.Va.Ja
(iv) Dhandapani Thesigar
Assertion [A]: That is the land or country which is free from fierce famine, wasting plague and ravages of enemies.
Reason [R]: Poets consider it their primary duty to praise the country and wish for the development of its people. They want all countries to be special, not just their own.
Which of the following statements are true?
1. All the religions were accepted and appreciated in Thirukkural
2. Every religions ratified the views of Thiruvalluvar
3. He didn't believe morality
4. Valluvar said that men with high principles deserved to live as.
Arrange the following in order:
1. The goodness of the help to domestic life
2. The possession of love
3. Domestic life
4. The obtaining of sons
Which book features the series "Pagaivar pull Aarga"?
Who gave special importance to Village Administration?
Assertion [A]:Some poets live on their prize money. Most of the poets have their own professions. They don't depend on prizes.
Reason [R] :When poets who make a living out of their prizes get prizes of low value / below their expectation; they reject it.
One man, 3 women and 4 boys can do a piece of work in 96 hours, 2 men and 8 boys can do it in 80 hours, 2 men and 3 women can do it in 120 hours then 5 men and 12 boys can do it in
The diagonal of a rectangle is thrice its smaller side. The ratio of the length to the breadth of the rectangle is
If x : 7.5 = 8 : y = 7:17.5 find x : y
If Rs. 1,600 is divided among P and Q in the ratio 5: 3 then Q's share is ___________
LCM of (2x2 - 3xy)2, (4x - 6y)3 and (8x3 - 27y3) is __________?
Peter got 30% of the maximum marks in an examination and failed by 10 marks. However, Paul who took the same examination got 40% of the total marks and got 15 marks more than the passing marks. What were the passing marks in the examination?
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