Nigerian Prisons Past Questions and Answers | PDF Download (Updated 2025 Edition)

Nigerian Prisons Past Questions and Answers: Are you preparing for the Nigerian Prisons Service recruitment examination? If so, this article will guide you on how to download the complete Nigerian Prisons Past Questions and Answers PDF. It will provide you with a clear understanding of what to expect in the exam. This study material is specially compiled to help applicants pass the Nigerian Correctional Service (NCoS) recruitment test with ease. It includes actual past questionscorrect answers, and the latest exam format used by the Service.

About the Nigerian Prisons Service (Now Nigerian Correctional Service)

The Nigerian Correctional Service (NCoS), previously the Nigerian Prisons Service, is a key paramilitary agency under the Federal Ministry of Interior, responsible for the custody and rehabilitation of convicted offenders.

To enhance its workforce, the NCoS periodically recruits new officers, requiring applicants to take an aptitude test. The Nigerian Prisons Past Questions and Answers PDF is a valuable resource to help candidates prepare effectively.

Nigerian Prisons Service Recruitment Exam Format

The aptitude test for the Nigerian Prisons (Correctional Service) typically includes objective (multiple-choice) questions from the following subjects:

Section Topics Covered
English Language Grammar, Vocabulary, Comprehension, Sentence Correction
Mathematics / Quantitative Reasoning Percentages, Ratios, Simple Interest, Arithmetic, Word Problems
Current Affairs / General Knowledge Nigerian Constitution, Prisons Service History, National Issues
Logical Reasoning Problem Solving, Series, and Analytical Thinking

Sample Nigerian Prisons Past Questions and Answers ( Updated PDF)

Here are some sample questions from the Nigerian Prisons Past Questions and Answers PDF to help you get started.


1 When was the Nigerian Prisons Service established?
A. 1825
B. 1861
C. 1890
D. 1914
Answer: B. 1861


2 What is the new name of the Nigerian Prisons Service?
A. Nigerian Penal Service
B. Nigerian Correctional Service
C. Nigerian Custodial Agency
D. National Security Service
Answer: B. Nigerian Correctional Service


3 The Nigerian Correctional Service operates under which ministry?
A. Ministry of Defence
B. Ministry of Justice
C. Ministry of Interior
D. Ministry of Police Affairs
Answer: C. Ministry of Interior


4 The current Controller-General of the Nigerian Correctional Service (as of 2025) is appointed by:
A. The National Assembly
B. The President
C. The Senate Committee on Security
D. The Chief Justice
Answer: B. The President


5 Which of the following is a function of the Nigerian Correctional Service?
A. Arresting suspects
B. Punishing prisoners through torture
C. Custody and rehabilitation of offenders
D. Conducting elections
Answer: C. Custody and rehabilitation of offenders


6 What is the tenure of the Controller-General of NCoS?
A. 4 years
B. 5 years
C. At the discretion of the President
D. 6 years
Answer: C. At the discretion of the President


7 Choose the correct sentence:
A. The inmates has completed their training.
B. The inmate have completed their training.
C. The inmates have completed their training.
D. The inmate has completed their training.
Answer: C. The inmates have completed their training.


8 What is 15% of 1200?
A. 150
B. 160
C. 180
D. 200
Answer: C. 180

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