TNPSC Group I 2025 previous year paper practice · PYQ-pattern set

TNPSC Group I 2025 PYQ-pattern questions

Showing 10 of the 18 PYQ-pattern questions in this set — freshly worded in that year's pattern, not the original questions. Answers and solutions open under each question.

1. Q1 · General Science

   Which of the following gases is primarily responsible for the greenhouse effect leading to global warming?

   • A. Nitrogen
   • B. Oxygen
   • C. Carbon dioxide
   • D. Hydrogen
   Answer and solution

   Answer: C

   Carbon dioxide is the primary greenhouse gas responsible for trapping heat in Earth's atmosphere, contributing significantly to global warming.

2. Q2 · Indian Polity

   Which Article of the Indian Constitution provides for the establishment of the Finance Commission?

   • A. Article 265
   • B. Article 280
   • C. Article 315
   • D. Article 324
   Answer and solution

   Answer: B

   Article 280 of the Indian Constitution provides for the constitution of a Finance Commission to recommend the distribution of financial resources between the Union and the States.

3. Q3 · Socio-Political Movements in Tamil Nadu

   The Self-Respect Movement founded by Thanthai Periyar emphasized which of the following principles as its core ideology?

   • A. Religious pluralism and temple worship
   • B. Rationalism and social equality against caste discrimination
   • C. Economic nationalism and swadeshi promotion
   • D. Armed resistance against colonial rule
   Answer and solution

   Answer: B

   The Self-Respect Movement championed rationalism, social equality, and fought against caste discrimination and superstitious practices.

4. Q4 · Ratio and Proportion

   If two numbers are in the ratio 7:11 and their sum is 540, what is the larger number?

   • A. 210
   • B. 270
   • C. 330
   • D. 390
   Answer and solution

   Answer: C

   Let the numbers be 7x and 11x. Their sum = 18x = 540, so x = 30. The larger number = 11x = 11 × 30 = 330.

5. Q5 · Logical Reasoning

   In a certain code language, 'FLOWER' is written as 'GMPXFS'. How is 'GARDEN' written in that code?

   • A. HBSEFO
   • B. HBSEFM
   • C. HBTDFO
   • D. GBSEFO
   Answer and solution

   Answer: A

   Each letter is shifted by +1 in the alphabet. G→H, A→B, R→S, D→E, E→F, N→O. Hence GARDEN = HBSEFO.

6. Q6 · General Science

   Which among the following vitamins is essential for blood clotting in the human body?

   • A. Vitamin A
   • B. Vitamin C
   • C. Vitamin K
   • D. Vitamin E
   Answer and solution

   Answer: C

   Vitamin K plays a crucial role in the synthesis of clotting factors in the liver, making it essential for normal blood coagulation.

7. Q7 · Indian Polity

   Which Article of the Indian Constitution provides for the establishment of the Finance Commission?

   • A. Article 270
   • B. Article 275
   • C. Article 280
   • D. Article 360
   Answer and solution

   Answer: C

   Article 280 of the Indian Constitution deals with the constitution of the Finance Commission, which is appointed by the President every five years to recommend the distribution of financial resources between the Union and States.

8. Q8 · Tamil Language and Literature

   Which ancient Tamil literary work is considered a repository of ethical and moral teachings, addressing themes relevant to both personal and political life?

   • A. Silapathikaram
   • B. Thirukkural
   • C. Manimekalai
   • D. Pattinappalai
   Answer and solution

   Answer: B

   Thirukkural is renowned as a secular literature covering ethics, politics, and economics, making it relevant to everyday life and universal values.

9. Q9 · Simplification

   Find the value of: 84 ÷ 12 + 15 × 3 - 28

   • A. 24
   • B. 26
   • C. 22
   • D. 28
   Answer and solution

   Answer: A

   Following order of operations: 84÷12=7, 15×3=45. Then 7+45-28=52-28=24.

10. Q10 · Ratio and Proportion

    The ratio of boys to girls in a college is 7:5. If there are 420 boys, what is the total number of students in the college?

    • A. 600
    • B. 720
    • C. 840
    • D. 900
    Answer and solution

    Answer: B

    Boys = 420, ratio is 7:5. If 7 parts = 420, then 1 part = 60. Total students = 12 parts = 12 × 60 = 720.