Previous-year papers
TNPSC Group 4 2025 question paper with answer key
2025 · G4
Questions 123 to 128 of 200
By TNPSC Guide editorial team · Last updated:
Question 123
Choose the right matches among the following : (1) Five Kingdom System – R.H. Whittaker (2) Six Kingdom System – Carl Woese, et al (3) Four Kingdom System – Carl Linnaeus (4) Three Kingdom System – Ernst Haeckel
- A. (1) only correct
- B. (1), (2) and (4) are correct
- C. (1) and (2) are correct
- D. (1), (2) and (3) are correct
Answer and explanation
Correct answer: B. (1), (2) and (4) are correct
Final answer key
Source: Combined Civil Services Examination-IV (Group-IV Services) 2025, question booklet CCSEIVGT/2025, Part A Tamil Eligibility-cum-Scoring Test, Part B General Studies and Part C Aptitude and Mental Ability, subject code 496, published with the tentative answer key (CCSEIVGT/2025 page 63, question 123; final answer key 17.11.2025, S.No. 123: B)
Question 124
0.10 M of weak acid is found to be dissociated to the extent of 1.20% at 25°C. Its dissociation constant is
- A. 1.44 × 10⁵
- B. 1.44 × 10⁻⁴
- C. 1.44 × 10⁻⁵
- D. 1.44 × 10⁴
Answer and explanation
Correct answer: C. 1.44 × 10⁻⁵
Final answer key
Source: Combined Civil Services Examination-IV (Group-IV Services) 2025, question booklet CCSEIVGT/2025, Part A Tamil Eligibility-cum-Scoring Test, Part B General Studies and Part C Aptitude and Mental Ability, subject code 496, published with the tentative answer key (CCSEIVGT/2025 page 63, question 124; final answer key 17.11.2025, S.No. 124: C)
Question 125
The GSLV-F15 is launched on ________ by ISRO.
- A. January 29, 2025
- B. March 08, 2025
- C. January 29, 2024
- D. March 08, 2024
Answer and explanation
Correct answer: A. January 29, 2025
Final answer key
Source: Combined Civil Services Examination-IV (Group-IV Services) 2025, question booklet CCSEIVGT/2025, Part A Tamil Eligibility-cum-Scoring Test, Part B General Studies and Part C Aptitude and Mental Ability, subject code 496, published with the tentative answer key (CCSEIVGT/2025 page 64, question 125; final answer key 17.11.2025, S.No. 125: A)
Question 126
Which of the following is incorrectly matched? (1) Trans Siberian Railway line – It connects Baltic Sea and Pacific Ocean (2) Trans Caspian Railway line – It connects Central Asia and Japan (3) Canadian Pacific Railway line – It connects Atlantic Ocean and Indian Ocean (4) Trans-Continental Railway line – It connects Buenos Aires with Valparaiso
- A. (1) only
- B. (2) only
- C. (3) only
- D. (4) only
Disputed answer key: no answer is shown
Question 127
Who among the following was the Indian Prime Minister when the 42nd Amendment Act was passed?
- A. Jawaharlal Nehru
- B. V.P. Singh
- C. Indira Gandhi
- D. Morarji Desai
Answer and explanation
Correct answer: C. Indira Gandhi
Final answer key
Source: Combined Civil Services Examination-IV (Group-IV Services) 2025, question booklet CCSEIVGT/2025, Part A Tamil Eligibility-cum-Scoring Test, Part B General Studies and Part C Aptitude and Mental Ability, subject code 496, published with the tentative answer key (CCSEIVGT/2025 page 66, question 127; final answer key 17.11.2025, S.No. 127: C)
Question 128
Assertion [A] : The Pallavas constructed the Cave temples without brick, wood, metal and sudhai. Reason [R] : The stones kept one upon another and not bound with plaster is known as “Katraligal”.
- A. [A] true, but [R] false
- B. [A] false but [R] true
- C. Both [A] and [R] are true
- D. Both [A] and [R] are false
Answer and explanation
Correct answer: A. [A] true, but [R] false
Final answer key
Source: Combined Civil Services Examination-IV (Group-IV Services) 2025, question booklet CCSEIVGT/2025, Part A Tamil Eligibility-cum-Scoring Test, Part B General Studies and Part C Aptitude and Mental Ability, subject code 496, published with the tentative answer key (CCSEIVGT/2025 page 66, question 128; final answer key 17.11.2025, S.No. 128: A)