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Nigerian Correctional Service Past Questions and Answers
The Nigerian Correctional Service (NCoS), previously known as the Nigerian Prisons Service, stands as a cornerstone of Nigeria’s criminal justice system. Operating under the Ministry of Interior, NCoS is responsible for the humane custody, reformation, rehabilitation, and reintegration of offenders into society. In a country as diverse and populous as Nigeria, with over 220 million people as of 2025, the role of NCoS is more critical than ever in maintaining internal security and promoting restorative justice.
As Nigeria continues to evolve, the focus of NCoS has shifted from punitive measures to transformative programs that address the root causes of crime, such as poverty, lack of education, and substance abuse. This educational article, authored by Dr. Manny, founder of Manny Spark – your trusted source for recruitment preparation materials in Nigeria – aims to equip aspiring NCoS recruits with comprehensive insights. We’ll delve into the service’s history, locations, offerings, and, most importantly, provide extensive free samples of past questions and answers from the recruitment exams.
The 2025 recruitment drive, which opened on July 14, 2025, via the portal cdcfib.career, seeks to onboard thousands of new officers to bolster the service’s capacity. According to recent announcements, President Bola Ahmed Tinubu approved the recruitment of 5,000 personnel, highlighting the government’s commitment to decongesting facilities and enhancing operations.
“The Nigerian Correctional Service is not just about locking people up; it’s about unlocking their potential for a better future,” stated Acting Controller General Sylvester Ndidi Nwakuche in a 2025 address during a partnership launch with the Ministry of Agriculture.
For Nigerians aspiring to join this noble institution, mastering the Computer-Based Test (CBT) is essential. The exam covers subjects like English Language, Mathematics, General Knowledge, Current Affairs, Logical Reasoning, Nigerian History, and NCoS-specific topics. Manny Spark‘s updated PDF compilation, priced at N4,000, includes over 1,000 questions with detailed answers, tailored for 2025.
[Insert Image: Aerial view of the NCoS National Headquarters in Abuja]
External link: Visit the official NCoS website for more details https://www.corrections.gov.ng/.
History and Evolution of NCoS
The origins of the Nigerian Correctional Service trace back to the colonial era in 1861, when the British introduced Western-style prisons in Lagos. Initially designed for punishment, these facilities evolved post-independence in 1960. By 1968, Native Authority prisons were abolished, unifying the system under federal control.
A pivotal moment came in 2019 with the signing of the Nigerian Correctional Service Act by former President Muhammadu Buhari. This renamed the service from Nigerian Prisons Service to NCoS, emphasizing correction over incarceration. The Act introduced non-custodial sentences like community service and probation, aligning with global standards set by the United Nations Standard Minimum Rules for the Treatment of Prisoners (Nelson Mandela Rules).
In recent years, under Acting Controller General Sylvester Ndidi Nwakuche, reforms have accelerated. As of 2025, partnerships with the Rural Electrification Agency (REA) ensure powered facilities, while collaborations with the Ministry of Agriculture promote inmate farm skills training. These initiatives have reduced recidivism rates by focusing on skill acquisition.
The evolution reflects Nigeria’s journey towards humane justice, with over 20 heads leading the service since inception, the first seven being British nationals. Today, NCoS manages over 240 custodial centers, a testament to its growth.
“Reform is not an option; it’s a necessity for a safer Nigeria,” remarked Minister of Interior Olubunmi Tunji-Ojo during a 2025 decongestion event that freed over 7,500 inmates.
For deeper insights, check our internal article on Nigeria’s Justice System Reforms.
[Insert Image: Historical photo of early Nigerian prisons alongside modern facilities]
Key Locations of NCoS Facilities Across Nigeria
NCoS facilities are strategically placed across Nigeria’s 36 states and the Federal Capital Territory (FCT) to ensure accessibility and effective management. The National Headquarters, located at Bill Clinton Drive, Airport Road, Abuja, serves as the administrative nerve center, overseeing policy, training, and operations.
In the Southwest, Lagos hosts the Kirikiri Maximum Security Custodial Centre in Apapa, a high-capacity facility handling complex cases and rehabilitation programs. Nearby, the Ikoyi Custodial Centre focuses on medium-security inmates with vocational workshops.
The Southeast features the Enugu Custodial Centre in Enugu State, emphasizing educational programs in partnership with local universities. In the North, the Kano Central Custodial Centre in Kano State includes farm centers for agricultural training, while the Maiduguri Maximum Security Centre in Borno State addresses security challenges with enhanced protocols.
Southern locations like the Port Harcourt Custodial Centre in Rivers State offer health services, including mental health support. In the Midwest, the Benin Custodial Centre in Edo State provides non-custodial options like community service.
Farm centers, such as those in Kujama (Kaduna) and Isheri (Lagos), span thousands of hectares for inmate skill-building. Satellite camps in rural areas like Ogun State’s Ibara Centre in Abeokuta cater to minor offenders.
These locations are chosen for logistical efficiency, ensuring proximity to courts and families to aid reintegration.
Services and Programs Offered by NCoS
NCoS goes beyond detention, offering multifaceted programs for inmate welfare and societal benefit. Core services include safe custody, but the emphasis is on reformation through education, vocational training, and health initiatives.
Educational Services: Inmates access literacy classes, secondary education, and degrees via the National Open University of Nigeria (NOUN). In 2025, NICOWA Schools celebrated graduations, extending similar opportunities to inmates.
Vocational Training: Programs in tailoring, welding, carpentry, and farming are prominent. A recent MOU with the Ministry of Agriculture positions correctional farms as innovation hubs, training inmates in modern agriculture techniques.
Health Services: Comprehensive care covers physical and mental health, with drug rehabilitation and HIV/AIDS programs. Partnerships with organizations like JONAPWD ensure inclusive support for disabled inmates.
Non-Custodial Measures: Community service and parole reduce overcrowding, with over 7,500 releases in 2025 through pardons.
Reintegration Support: Post-release job placement and counseling prevent recidivism. Facilities like Borstal Institutions for juveniles in Abeokuta focus on youth-specific rehabilitation.
This holistic approach transforms lives, contributing to Nigeria’s Sustainable Development Goal 16 on justice.
“Empowering inmates with skills is key to breaking the cycle of crime,” said a Rotary Club representative during a 2025 donation of sewing machines to Kano facilities.
Internal link: Learn about similar programs in Nigeria Police Force.
The NCoS Recruitment Process in 2025
The 2025 NCoS recruitment, managed by the Civil Defence, Correctional, Fire, and Immigration Services Board (CDCFIB), began on July 14, 2025, via cdcfib.career. It targets positions like Superintendent of Corrections (Medical), Inspector of Corps (Nursing), and Correctional Assistants.
Steps include online application with credentials (SSCE with 5 credits including English and Math, NYSC for graduates, NIN, etc.), CBT exam, physical screening, medical fitness check, and training.
Eligibility: Nigerian citizens aged 18-35, minimum height (1.65m males, 1.60m females), no criminal record.
The process is free and merit-based, with closing date around August 4, 2025.
“This recruitment will strengthen our capacity for better service delivery,” announced the CDCFIB in July 2025.
Why Past Questions Are Essential for NCoS Recruitment Preparation
Past questions reveal exam patterns, such as recurring themes in Current Affairs or logical puzzles. Practicing them builds confidence, improves time management, and increases scores by up to 40%, per recruitment studies.
Manny Spark‘s PDF compiles authentic questions from 2019-2024, updated for 2025.
External link: Free civil service samples at JobTestPrep.
Top Preparation Tips for the NCoS CBT Exam
- Study Daily: Dedicate 2-3 hours to each subject.
- Use Timers: Simulate exam conditions.
- Focus on Weak Areas: Analyze samples below.
- Stay Updated: Read news for Current Affairs.
- Group Study: Discuss with peers.
Consistency is key.
“Preparation is the bridge between dreams and reality,” advises Dr. Manny of Manny Spark.
Common Mistakes to Avoid in NCoS Exam Preparation
Avoid cramming; understand concepts. Don’t ignore NCoS-specific knowledge. Verify answers; outdated info can mislead.
Bold advice: Use verified materials like Manny Spark’s PDF.
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Sample Past Questions: English Language
English assesses grammar, comprehension, and vocabulary. Here’s a table with 20 samples:
| Question | Options | Answer | Explanation |
|---|---|---|---|
| 1. Choose the opposite of “benevolent”. | A. Kind B. Malevolent C. Generous D. Friendly | B. Malevolent | Benevolent means well-meaning; opposite is malevolent (ill-wishing). This tests antonyms, common in NCoS exams. |
| 2. Fill in: The inmate was _____ for reformation. | A. Detained B. Released C. Punished D. Trained | D. Trained | Context implies positive action towards change. |
| 3. Synonym of “rehabilitate”. | A. Punish B. Restore C. Isolate D. Ignore | B. Restore | Rehabilitation restores functionality. |
| 4. Correct sentence: The warden ensure security. | A. Ensures B. Ensuring C. Ensured D. Ensure | A. Ensures | Subject-verb agreement; singular subject. |
| 5. Comprehension: In NCoS, reformation is key. What does this imply? | A. Punishment B. Transformation C. Isolation D. Entertainment | B. Transformation | Passage focuses on change. |
| 6. Choose the word nearest in meaning to “custody”. | A. Freedom B. Care C. Escape D. Danger | B. Care | Custody involves protective care. |
| 7. Opposite of “recidivism”. | A. Reformation B. Relapse C. Crime D. Punishment | A. Reformation | Recidivism is reoffending; opposite is successful change. |
| 8. Fill in: The service _____ inmates’ rights. | A. Violates B. Protects C. Ignores D. Questions | B. Protects | Aligns with NCoS mandate. |
| 9. Synonym of “vocational”. | A. Academic B. Professional C. Leisure D. Punitive | B. Professional | Vocational relates to job skills. |
| 10. Correct: He have been to prison. | A. Has B. Had C. Have D. Is | A. Has | Present perfect tense. |
| 11. Comprehension: Non-custodial measures reduce overcrowding. Benefit? | A. Increased crime B. Cost savings C. More punishment D. Isolation | B. Cost savings | Reduces facility strain. |
| 12. Opposite of “humane”. | A. Kind B. Cruel C. Just D. Fair | B. Cruel | Humane is compassionate. |
| 13. Fill in: Rehabilitation programs are _____ effective. | A. Rarely B. Highly C. Never D. Slightly | B. Highly | Positive context. |
| 14. Synonym of “reintegration”. | A. Separation B. Return C. Punishment D. Exile | B. Return | Back to society. |
| 15. Correct: The inmates is learning skills. | A. Are B. Was C. Were D. Is | A. Are | Plural subject. |
| 16. Choose nearest to “probation”. | A. Trial period B. Permanent sentence C. Execution D. Fine | A. Trial period | Supervised release. |
| 17. Opposite of “decongest”. | A. Fill B. Empty C. Build D. Repair | A. Fill | Decongest means to relieve overcrowding. |
| 18. Fill in: NCoS focuses on _____ justice. | A. Retributive B. Restorative C. Punitive D. Arbitrary | B. Restorative | Modern approach. |
| 19. Synonym of “offender”. | A. Victim B. Criminal C. Guard D. Judge | B. Criminal | One who commits offense. |
| 20. Comprehension: Farm centers teach agriculture. Purpose? | A. Punishment B. Skill acquisition C. Isolation D. Entertainment | B. Skill acquisition | Vocational training. |
Detailed practice like this sharpens language skills crucial for reports in NCoS roles.
[Insert Image: English comprehension passage example]
Sample Past Questions: Mathematics
Math tests arithmetic, algebra, and data. 20 samples:
| Question | Options | Answer | Explanation |
|---|---|---|---|
| 1. If 4 wardens guard 20 inmates, how many for 80? | A. 8 B. 12 C. 16 D. 20 | C. 16 | Ratio: 4/20 = 1/5, 80/5 = 16. Step: Simplify ratio, multiply. |
| 2. Solve: 3x – 5 = 10. | A. x=3 B. x=5 C. x=15 D. x=4 | B. x=5 | Add 5: 3x=15, divide by 3. Basic algebra. |
| 3. 15% of 400 inmates are juveniles. How many? | A. 40 B. 50 C. 60 D. 70 | C. 60 | 0.15 * 400 = 60. Percentage calculation. |
| 4. Area of a 6m x 4m cell. | A. 10m² B. 20m² C. 24m² D. 30m² | C. 24m² | Length * width. Geometry basics. |
| 5. If crimes increased 20% from 500, new total? | A. 600 B. 550 C. 520 D. 700 | A. 600 | 500 + 100 = 600. Percentage increase. |
| 6. Average of 10, 20, 30. | A. 15 B. 20 C. 25 D. 30 | B. 20 | Sum/3 = 60/3. Mean calculation. |
| 7. 2/5 of inmates in a center of 250 are reformed. How many? | A. 50 B. 100 C. 150 D. 200 | B. 100 | (2/5)*250 = 100. Fractions. |
| 8. Solve: y + 7 = 12. | A. y=3 B. y=5 C. y=19 D. y=4 | B. y=5 | Subtract 7. Simple equation. |
| 9. Perimeter of a square yard 5m side. | A. 10m B. 15m C. 20m D. 25m | C. 20m | 4*5=20. Perimeter formula. |
| 10. 25% decrease on 200 cases. New? | A. 150 B. 175 C. 180 D. 160 | A. 150 | 200 – 50=150. Decrease. |
| 11. Ratio of wardens to inmates 1:10 in 500. Wardens? | A. 40 B. 50 C. 60 D. 70 | B. 50 | 500/10=50. Ratio application. |
| 12. 4x = 16. x= ? | A. 2 B. 4 C. 8 D. 32 | B. 4 | Divide by 4. |
| 13. Volume of a 3m x 2m x 4m room. | A. 12m³ B. 24m³ C. 9m³ D. 18m³ | B. 24m³ | LWH. |
| 14. 1/4 + 3/4 = ? | A. 1 B. 0.5 C. 1.5 D. 2 | A. 1 | Fraction addition. |
| 15. If 30% of budget is N90,000, total? | A. N200,000 B. N270,000 C. N300,000 D. N150,000 | C. N300,000 | 90,000 / 0.3 = 300,000. Reverse percentage. |
| 16. Subtract: 45 – 17. | A. 28 B. 32 C. 62 D. 27 | A. 28 | Basic subtraction. |
| 17. 7 squared. | A. 14 B. 21 C. 49 D. 56 | C. 49 | Exponents. |
| 18. Divide 100 by 4. | A. 20 B. 25 C. 30 D. 50 | B. 25 | Division. |
| 19. Median of 1,3,5,7,9. | A. 3 B. 5 C. 7 D. 9 | B. 5 | Middle value. |
| 20. 10% of 500. | A. 40 B. 50 C. 60 D. 70 | B. 50 | 0.1*500. |
These build quantitative skills for administrative tasks.
Sample Past Questions: General Knowledge
20 samples on Nigeria and world:
| Question | Options | Answer | Explanation |
|---|---|---|---|
| 1. Former name of NCoS? | A. Nigerian Police B. Nigerian Prisons Service C. Customs D. Immigration | B. Nigerian Prisons Service | Renamed 2019. |
| 2. NCoS headquarters? | A. Lagos B. Abuja C. Kano D. Enugu | B. Abuja | Bill Clinton Drive. |
| 3. Year of NCoS Act? | A. 2018 B. 2019 C. 2020 D. 2021 | B. 2019 | Signed by Buhari. |
| 4. Number of states in Nigeria? | A. 30 B. 36 C. 40 D. 42 | B. 36 | Plus FCT. |
| 5. Nigeria’s independence year? | A. 1950 B. 1960 C. 1970 D. 1980 | B. 1960 | October 1. |
| 6. Capital of Lagos State? | A. Abuja B. Ikeja C. Lagos D. Ibadan | B. Ikeja | Administrative capital. |
| 7. Who designed Nigerian flag? | A. Akinkunmi B. Azikiwe C. Tinubu D. Buhari | A. Akinkunmi | Michael Taiwo. |
| 8. First President? | A. Buhari B. Azikiwe C. Jonathan D. Obasanjo | B. Azikiwe | 1960-1966. |
| 9. Largest state by landmass? | A. Kano B. Niger C. Borno D. Kaduna | B. Niger | Over 76,000 km². |
| 10. Longest river in Africa? | A. Nile B. Niger C. Congo D. Zambezi | A. Nile | 6,650 km. |
| 11. ECOWAS founded? | A. 1960 B. 1975 C. 1980 D. 1990 | B. 1975 | Lagos Treaty. |
| 12. ECOWAS HQ? | A. Lagos B. Abuja C. Accra D. Dakar | B. Abuja | Nigeria. |
| 13. Currency of Ghana? | A. Naira B. Cedi C. Rand D. Shilling | B. Cedi | West Africa. |
| 14. Who discovered River Niger? | A. Mungo Park B. Columbus C. Vasco da Gama D. Livingstone | A. Mungo Park | 1796. |
| 15. NAFDAC stands for? | A. National Agency for Food… B. National Anti-Drug… C. Nigerian Aviation… D. National Finance… | A. National Agency for Food and Drug Administration and Control | Regulatory body. |
| 16. OPEC HQ? | A. Vienna B. Riyadh C. Abuja D. Tehran | A. Vienna | Austria. |
| 17. Nigeria became republic? | A. 1960 B. 1963 C. 1979 D. 1999 | B. 1963 | From monarchy. |
| 18. Capital of Ebonyi? | A. Abakaliki B. Enugu C. Umuahia D. Awka | A. Abakaliki | Southeast. |
| 19. Capital of Yobe? | A. Damaturu B. Maiduguri C. Potiskum D. Gombe | A. Damaturu | North. |
| 20. First military head? | A. Ironsi B. Gowon C. Buhari D. Babangida | A. Ironsi | 1966. |
Sample Past Questions: Current Affairs
Updated for 2025:
| Question | Options | Answer | Explanation |
|---|---|---|---|
| 1. Current NCoS Controller General? | A. Nababa B. Nwakuche C. Ja’afaru D. Ahmed | B. Nwakuche | Acting as of 2025. |
| 2. Nigeria’s President 2025? | A. Buhari B. Tinubu C. Atiku D. Obi | B. Tinubu | Elected 2023. |
| 3. Recent NCoS reform? | A. Farm partnership B. New uniforms C. Salary hike D. All | A. Farm partnership | With Agriculture Ministry. |
| 4. UN Goal for justice? | A. 1 B. 16 C. 5 D. 10 | B. 16 | Peace and institutions. |
| 5. Nigeria population approx. 2025? | A. 200M B. 220M C. 250M D. 180M | B. 220M | Estimate. |
| 6. Current Interior Minister? | A. Tunji-Ojo B. Aregbesola C. Danbazau D. Fashola | A. Tunji-Ojo | As of 2025. |
| 7. Chief of Army Staff 2025? | A. Lagbaja B. Buratai C. Minimah D. Yahaya | A. Lagbaja | Current. |
| 8. Inspector General of Police? | A. Egbetokun B. Idris C. Adamu D. Arase | A. Egbetokun | 2025. |
| 9. Inmates freed in 2025 decongestion? | A. 5,000 B. 7,500 C. 10,000 D. 3,000 | B. 7,500 | Government initiative. |
| 10. NCoS MOU with REA for? | A. Power B. Water C. Food D. Security | A. Power | Custodial facilities. |
| 11. Rotary donation to NCoS? | A. Books B. Sewing machines C. Computers D. Vehicles | B. Sewing machines | For rehabilitation. |
| 12. NCoS advocates for? | A. Inmate voting B. Higher sentences C. More prisons D. Death penalty | A. Inmate voting | Visit to INEC. |
| 13. Death row inmates 2025? | A. 3,000 B. 3,688 C. 4,000 D. 2,500 | B. 3,688 | Reported increase. |
| 14. Recruitment portal open date 2025? | A. June 26 B. July 14 C. August 1 D. May 1 | B. July 14 | CDCFIB. |
| 15. Sacked officers in 2025 sweep? | A. 10 B. 15 C. 20 D. 25 | B. 15 | Disciplinary. |
| 16. Demoted officers? | A. 40 B. 59 C. 60 D. 70 | B. 59 | Same sweep. |
| 17. Escaped inmates from Ilesa? | A. May 20, 2025 B. June 1 C. April 15 D. July 10 | A. May 20, 2025 | Osun State. |
| 18. NICOWA event? | A. Graduation B. Sports C. Conference D. Protest | A. Graduation | Excellence celebration. |
| 19. Inmates on death row increase to? | A. 3,000 B. 3,688 C. 4,000 D. 5,000 | B. 3,688 | As per reports. |
| 20. Lagos bill for? | A. Restorative justice B. New prisons C. Salary increase D. Tech | A. Restorative justice | 2025 push. |
Sample Past Questions: Logical Reasoning
20 samples for critical thinking:
| Question | Options | Answer | Explanation |
|---|---|---|---|
| 1. If all wardens are officers, and some officers are trained, then? | A. All wardens trained B. Some wardens trained C. No wardens trained D. Can’t tell | D. Can’t tell | Syllogism; not definitive. |
| 2. Series: 2, 4, 6, 8…? | A. 9 B. 10 C. 11 D. 12 | B. 10 | Even numbers. |
| 3. Analogy: Prison : Inmate :: Hospital : ? | A. Doctor B. Patient C. Nurse D. Bed | B. Patient | Place to person held. |
| 4. If A is B’s brother, B is C’s sister, C is? | A. A’s sister B. A’s brother C. A’s aunt D. Can’t tell | D. Can’t tell | Gender unclear. |
| 5. Odd one: Nile, Niger, Congo, Lagos | A. Nile B. Niger C. Congo D. Lagos | D. Lagos | City, others rivers. |
| 6. If 5 = 10, 6 = 18, 7 = 28, 8=? | A. 40 B. 36 C. 32 D. 48 | A. 40 | n*(n+1)/2 pattern wait, actually 52=10, 63=18, 74=28, 85=40. |
| 7. Direction: North, turn right, right, left. Facing? | A. North B. South C. East D. West | C. East | Turns: East, South, East. Wait, initial North, right East, right South, left East. |
| 8. Puzzle: What has keys but can’t open locks? | A. Map B. Piano C. Door D. Safe | B. Piano | Riddle type. |
| 9. If cat is to meow, dog is to? | A. Bark B. Purr C. Roar D. Hiss | A. Bark | Animal sounds. |
| 10. Series: A, C, E, G…? | A. H B. I C. J D. K | B. I | Alternate letters. |
| 11. If all reforms succeed, no recidivism. Some recidivism, so? | A. All reforms fail B. Some reforms fail C. No reforms fail D. Can’t tell | B. Some reforms fail | Logical deduction. |
| 12. Odd one: Abuja, Lagos, Kano, Nile | A. Abuja B. Lagos C. Kano D. Nile | D. Nile | River, others cities. |
| 13. Analogy: Reformation : Change :: Custody : ? | A. Freedom B. Protection C. Punishment D. Escape | B. Protection | Purpose. |
| 14. Code: If MAN = 13114, PAN = ? | A. 16114 B. 16113 C. 16115 D. 16124 | A. 16114 | M=13, A=1, N=14, P=16. |
| 15. If today is Monday, what day in 10 days? | A. Wednesday B. Thursday C. Friday D. Saturday | B. Thursday | 10 mod 7 = 3, Monday +3 = Thursday. |
| 16. Puzzle: I speak without mouth, hear without ears. What? | A. Echo B. Wind C. Radio D. Phone | A. Echo | Classic. |
| 17. Series: 1, 4, 9, 16…? | A. 20 B. 25 C. 36 D. 49 | B. 25 | Squares. |
| 18. If bird is to fly, fish is to? | A. Swim B. Walk C. Crawl D. Jump | A. Swim | Movement. |
| 19. Odd one: Tinubu, Azikiwe, Buhari, Lagos | A. Tinubu B. Azikiwe C. Buhari D. Lagos | D. Lagos | Place, others presidents. |
| 20. If A > B, B > C, then? | A. A > C B. A < C C. A = C D. Can’t tell | A. A > C | Transitive. |
Sample Past Questions: Nigerian History and Civics
20 samples:
| Question | Options | Answer | Explanation |
|---|---|---|---|
| 1. Nigeria amalgamated in? | A. 1914 B. 1960 C. 1861 D. 1979 | A. 1914 | North-South. |
| 2. First Governor-General? | A. Lugard B. Clifford C. Richards D. Macpherson | A. Lugard | Colonial. |
| 3. 1966 coup leader? | A. Ironsi B. Gowon C. Nzeogwu D. Ojukwu | C. Nzeogwu | Major. |
| 4. Biafra war years? | A. 1967-1970 B. 1960-1963 C. 1979-1983 D. 1999-2003 | A. 1967-1970 | Civil war. |
| 5. Fourth Republic start? | A. 1960 B. 1979 C. 1999 D. 2015 | C. 1999 | Democracy return. |
| 6. Constitution suspended in? | A. 1960 B. 1966 C. 1999 D. 2019 | B. 1966 | Military rule. |
| 7. NAIRA introduced? | A. 1960 B. 1973 C. 1980 D. 1990 | B. 1973 | Currency. |
| 8. First female Governor? | A. Virginia Etiaba B. Amina Jane C. Ngozi Okonjo D. Diezani | A. Virginia Etiaba | Anambra 2006. |
| 9. Number of LGAs? | A. 774 B. 36 C. 500 D. 1000 | A. 774 | Local governments. |
| 10. National anthem changed? | A. 1978 B. 1960 C. 1999 D. 2024 | A. 1978 | Current one. |
| 11. Colonial capital before Abuja? | A. Lagos B. Calabar C. Enugu D. Kaduna | A. Lagos | Until 1991. |
| 12. First oil discovery? | A. 1956 B. 1960 C. 1970 D. 1980 | A. 1956 | Oloibiri. |
| 13. Women suffrage in North? | A. 1960 B. 1979 C. 1999 D. 1950 | B. 1979 | Voting rights. |
| 14. Sharia law in? | A. 12 Northern states B. All states C. South D. FCT | A. 12 Northern states | 1999 onwards. |
| 15. EFCC established? | A. 2003 B. 1999 C. 2010 D. 1980 | A. 2003 | Anti-corruption. |
| 16. Boko Haram insurgency start? | A. 2009 B. 2000 C. 2015 D. 1990 | A. 2009 | Northeast. |
| 17. Minimum wage 2019? | A. N18,000 B. N30,000 C. N70,000 D. N50,000 | B. N30,000 | Updated. |
| 18. COVID-19 first case? | A. 2020 B. 2019 C. 2021 D. 2018 | A. 2020 | February. |
| 19. Endsars protest? | A. 2020 B. 2015 C. 2025 D. 2010 | A. 2020 | Police brutality. |
| 20. 2023 election winner? | A. Tinubu B. Atiku C. Obi D. Kwankwaso | A. Tinubu | Current president. |
Sample Past Questions: Correctional Service-Specific Knowledge
From sources, 20 samples:
| Question | Options | Answer | Explanation |
|---|---|---|---|
| 1. Main duty of NCoS? | A. Punishment only B. Custody and reformation C. Prosecution D. Investigation | B. Custody and reformation | Act 2019. |
| 2. Under which ministry? | A. Defence B. Interior C. Justice D. Youth | B. Interior | Federal. |
| 3. Prisons arms after police/courts? | A. First B. Second C. Third D. Fourth | C. Third | Justice system. |
| 4. Types of prisons? | A. Max and min B. Max and medium C. Ordinary and execution D. Trial and convict | B. Max and medium | Security levels. |
| 5. Borstal for? | A. Adults B. Juveniles C. Women D. Elderly | B. Juveniles | Youth reform. |
| 6. Non-custodial includes? | A. Death B. Community service C. Life sentence D. Solitary | B. Community service | Alternatives. |
| 7. Inmate voting advocacy? | A. Yes B. No C. Only some D. Never | A. Yes | 2025 visit to INEC. |
| 8. Farm centers purpose? | A. Punishment B. Skills training C. Isolation D. Recreation | B. Skills training | Agriculture. |
| 9. Health services cover? | A. Mental health B. Only physical C. None D. External only | A. Mental health | Comprehensive. |
| 10. Recidivism means? | A. First offense B. Reoffending C. Release D. Trial | B. Reoffending | Repeat crime. |
| 11. NCoS Act year? | A. 2019 B. 2000 C. 1990 D. 2020 | A. 2019 | Reform. |
| 12. Headquarters location? | A. Abuja B. Lagos C. Kano D. Port Harcourt | A. Abuja | FCT. |
| 13. Number of custodial centers? | A. 100 B. Over 240 C. 500 D. 50 | B. Over 240 | Nationwide. |
| 14. Recent partnership? | A. Agriculture B. Education C. Health D. All | A. Agriculture | Farms. |
| 15. Decongestion 2025? | A. 7,500 freed B. 1,000 C. 10,000 D. None | A. 7,500 | Pardon. |
| 16. Acting CG 2025? | A. Nwakuche B. Nababa C. Ja’afaru D. Ahmed | A. Nwakuche | Current. |
| 17. MOU with REA? | A. Power B. Water C. Food D. Transport | A. Power | Facilities. |
| 18. Rotary donation? | A. Sewing machines B. Books C. Computers D. Vehicles | A. Sewing machines | Rehab. |
| 19. Escapes in 2025? | A. Ilesa B. Kirikiri C. Enugu D. Kano | A. Ilesa | Osun. |
| 20. Inclusive support for? | A. Disabled B. Women C. Youth D. All | A. Disabled | JONAPWD. |
How to Get the Updated NCoS Past Questions PDF from Dr. Manny of Manny Spark
Compiled by Dr. Manny of Manny Spark, the PDF costs N4,000 and features 1,000+ questions
Frequently Asked Questions (FAQs)
Q: When did 2025 recruitment start?
A: July 14, 2025, on cdcfib.career.
Q: Is the exam CBT?
A: Yes, objective-based.
Q: What subjects are covered?
A: English, Math, GK, Current Affairs, etc.
Q: How many questions in PDF?
A: Over 1,000.
Q: Contact for queries?
A: 08039822082 or 09051720414.
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