Beginning from Wednesday, November 12, 2025, through November 19, 2025, applicants into Nigeria’s Federal Fire Service (FFS) under the Civil Defence, Correctional, Fire and Immigration Services Board (CDCFIB) 2025 recruitment exercise will be expected to write the compulsory online examination that will be conducted through a Computer-Based Testing (CBT) system across Nigeria.
The initial plan for designated CBT centre has been cancelled by The Board; candidates can write the exams in the comfort of their homes, provided they have a strong internet-enabled laptop or desktop and uninterrupted power supply while the exam lasts.
ALSO READ: 2025 CDCFIB CBT Update: Instructions, Test Link and Guide
A lot of candidates are not only reading but are also in search of past questions or likely questions that can prepare them ahead of the CDCFIB CBT examination. In view of this, Edubase Nigeria has put together these likely questions to prepare all candidates for the examination. At the end of these questions, you may request answers and detailed explanations to the questions or basically use the questions to gauge your level of preparedness.
This past question consists of 60, including English Language, operational firefighting practice, administrative fire skills, technical and scenario-based firefighting operations, Mathematics, and General Knowledge questions (current affairs). They are mixed questions.
All the best
General Questions
Question 1: The CDCFIB consists of the following paramilitary except…..
A Nigeria Immigration Service (NIS),
B Nigeria Security and Civil Defence Corps (NSCDC),
C Nigerian Correctional Service (NCoS)
D Nigeria Customs Service
Question 2: What number should you call in Nigeria for fire emergencies?
A. 112 or 08032003557
B. 123 or 08032003333
C. 101 or 07032003557
D. 999 or 0803763557
Question 3: The appointment of the current Controller-General of the Federal Fire Service, tenure took effect from…
A July 30, 2025
B August 14, 2025
C August 15, 2025
D August 1, 2025
Question 4: What’s the best extinguisher for a fire involving electrical wires?
A. Water-based
B. Foam type
C. Carbon dioxide (CO2)
D. Wet chemical
Question 5: What class of fire deals with things like petrol or oil?
A. Class A
B. Class B
C. Class C
D. Class D
Question 6: When investigating a serial fire setter, why do you need to analyze patterns across incidents as a professional fire fighter officer?
A. Coincidence check
B. To identify signatures linking them to one perpetrator
C. For statistics only
D. After arrests
Question 7: Commanding a hazardous material spill with fire risk, what is the isolation strategy you will apply when you are on the scene of incidence?
A. Call people nearby for help
B. Life safety, set hot, warm, cold zones to control access
C. No zones needed
D. Evacuate the whole city
Question 8: In a confined space rescue like a silo, why do you need to monitor air quality as a fire fighter officer?
A. To prevent toxic gas buildup harming rescuers or victims
B. For Paperwork
C. It’s optional
D. Only after entry
Question 9: Which extinguisher should you avoid on electrical fires?
A. CO2
B. Foam
C. Water
D. Dry powder
Question 10: How many Command Centres does the Federal Fire Service have?
A. 15
B. 36
C. 37
D. 18
Question 11: Who is incumbent Controller-General of the Federal Fire Service?
A. Adebola Bunmi-Ojo
B. Usman Bala Haruna
C. Olumode Samuel Adeyemi
D. Yuntoe Elizabeth John
Question 12: What are the three parts of the fire triangle?
A. Heat, Fuel, Oxygen
B. Fuel, sand, heat
C. Sand, heat, light
D. Heat, water, light
Question 13: A Class B fire typically involves what in fire fighting?
A. Wood or paper
B. Wiring and plugs
C. Oils or fuels
D. Kitchen fats
Question 14: All the following are fire extinguisher colour except?
A. Blue
B. Red
C. Black
D. Green
Question 15: Which ministry oversees the Federal Fire Service in Nigeria?
A. Federal Ministry of Health
B. Federal Ministry of Defence
C. Federal Ministry of Interior
D. Federal Ministry of Education
Question 16: When was Fire Service first started in Nigeria?
A. 1901
B. 1960
C. 1963
D. 1914
Question 17: Which one isn’t part of the three things needed for a fire to burn?
A. Oxygen
B. Heat
C. Fuel
D. Carbon dioxide
Question 18: What’s a common tool firefighters use to force open doors in a burning building?
A. Axe
B. Hammer
C. Halligan bar
D. Hose
Question 19: What does a smoke detector mainly do?
A. Put out the fire
B. Find trapped people
C. Spot smoke and sound an alert
D. Clear air in the room
Question 20: What standard sets the professional qualifications for fire officers?
A. NFPA 1001
B. NFPA 1021
C. NFPA 1500
D. NFPA 1971
Question 21: The Act of Parliament that established the Federal Fire Service came into effect in what year?
A. January 1901
B. October 1960
C. April 1963
D. August 1914
Question 22: Good communication is said to be vital for fire officers, why?
A. To manage budgets
B. To write reports only
C. To build equipment
D. To coordinate teams during incidents
Question 23: The equivalent of Commissioner of Police (CP) in the ranking cadre of Federal Fire Service (FFS) is…
A. Controller of Fire (CF)
B. Commissioner of Fire Service
C. Fire Exstinguisher Contoller
D. Deputy Controller of Fire (DCF)
Question 24: In a rescue operation at a collapsed building, victims are trapped under debris. How should you prioritize rescue efforts?
A. Save the closest ones first
B. Assess and triage based on injury severity and survival chances
C. Wait for more equipment before starting
D. Rescue based on who shouts loudest
Question 25: As incident commander at a chemical plant blaze, you spot hazardous fumes spreading. What’s your immediate command?
A. Evacuate nearby areas and set up a perimeter
B. Let locals stay if they’re not complaining
C. Focus solely on the fire source
D. Call for backup from onlookers
Question 26: The terminating point for a non-commissioned officer who has not upgraded his/her academic qualification is?
A. Inspector of Fire (IF)
B. Senior Inspector of Fire (SIF)
C. Fire Assistant I (FA I)
D. Fire Recruit
Question 27: The first Controller-General of the Nigerian Fire Service is?
A. Ajanaku Ojo Arogundade
B. Chukwuemeka Philip Gideon
C. Suleiman Abbas Juril
D. Lawrence Chukwu Nwaka
Question 28: Who is the first woman to become Controller General of Federal Fire Service?
A. Ijeoma Achi-Okidi
B. Bilikisu Maryam Hassan
C. Juleit Chukwu Nwodo
D. Non of the above
Question 29 : During a fire investigation, what logical step will you take if you find burn patterns suggesting accelerants?
A. Ignore it if the fire is out
B. Collect samples for lab testing while preserving the scene
C. Clean up the area quickly
D. Assume it’s electrical without checking
Question 30: The Zone C of the Federal Fire Service comprises the following states..
A. Ondo and Ekiti
B. Ebonyi and Rivers
C. Yobe and Borno
D. Gomber and Bauchi
English Language Questions
Question 31: Neither the officers nor the commander ___ willing to postpone the inspection.
A. are
B. were
C. is
D. have been
Question 32: Choose the word opposite in meaning to meticulous:
A. Careless
B. Precise
C. Thorough
D. Accurate
Question 33: What does the expression “to call the shots” mean?
A. To give orders or be in control
B. To start a fight
C. To avoid responsibility
D. To make a mistake
Question 34: Identify the sentence that maintains correct parallel structure.
A. She likes reading, to swim, and jogging.
B. She likes to read, swimming, and to jog.
C. She likes reading, swimming, and jogging.
D. She likes to read, swim, and jogging.
Question 35: He is capable ___ handling multiple emergencies efficiently.
A. of
B. for
C. to
D. in
Question 36: If he ___ harder last year, he would have passed the exam.
A. studies
B. studied
C. had studied
D. has studied
Question 37: The fire was finally brought under control after hours of ___ efforts.
A. continuous
B. continual
C. continued
D. continuity
Question 38: Choose the correctly written sentence.
A. Running quickly, the gate was reached by the firefighter.
B. The firefighter running quickly reached the gate.
C. The gate was reached running quickly by the firefighter.
D. The firefighter reached running quickly the gate.
Question 39: To “bury the hatchet” means:
A. To hide evidence of a crime
B. To end a quarrel and become friendly again
C. To refuse to forgive
D. To make a serious mistake
Question 40: Choose the word opposite in meaning to resilient:
A. Fragile
B. Tough
C. Flexible
D. Hardy
Maths and logical reasoning questions
Question 41: If ( x = 3 ) and ( y = -2 ), evaluate:
[3x^2 – 2xy + y^2]
A. 31
B. 29
C. 27
D. 25
Question 42: A firefighter’s equipment initially costs £48,000. The value decreases by 12.5% in the first year and then by 10% in the second year. What is its value after two years?
A. £37,800
B. £37,200
C. £36,540
D. £36,000
Question 43: A water tank is filled by Pipe A in 6 hours and by Pipe B in 8 hours. If both pipes operate together, how long will it take to fill the tank?
A. 3 hr 25 min
B. 3 hr 26 min
C. 3 hr 27 min
D. 3 hr 30 min
Question 44: Which number completes the sequence?
4, 9, 19, 34, 54, ___
A. 69
B. 74
C. 79
D. 84
Answer: B. 74
Question 45: Solve for (x):
[5(2x – 1) = 3(x + 7)]
A. (x = 4)
B. (x = 6)
C. (x = 8)
D. (x = 10)
Question 46: A triangle has sides 6 cm, 8 cm, and 10 cm. What type of triangle is it?
A. Acute
B. Obtuse
C. Right-angled
D. Isosceles
Question 47: A crew completes 240 inspections in 12 days. If they increase their daily output by 25%, how many days will they need to complete 300 inspections?
A. 10
B. 11
C. 12
D. 9
Question 48: If all officers are trained in safety, and some trained officers are paramedics, which conclusion is valid?
A. All officers are paramedics
B. Some officers are paramedics
C. No officer is a paramedic
D. Some paramedics are not trained
Question 49: The (n)th term of a sequence is:
[T_n = 4n^2 – 3n]
What is the 6th term?
A. 114
B. 120
C. 126
D. 132
Question 50: A box contains 5 red, 7 blue, and 8 yellow balls. One ball is chosen at random. What is the probability that it is not blue?
A. ( \frac{12}{20} )
B. ( \frac{13}{20} )
C. ( \frac{8}{20} )
D. ( \frac{7}{20} )
Current affairs
Question 51: Which of the following is the highest court of appeal in Nigeria?
A. Court of Appeal
B. Supreme Court
C. National Industrial Court
D. Federal High Court
Question 52: Nigeria contributes troops to various United Nations peacekeeping operations. Under which branch of the UN does peacekeeping primarily fall?
A. Economic and Social Council
B. Secretariat
C. Security Council
D. General Assembly
Question 53: Which of the following bodies is primarily responsible for investigating and prosecuting economic and financial crimes in Nigeria?
A. High Court
B. Code of Conduct Bureau
C. Economic and Financial Crimes Commission (EFCC)
D. Bureau of Public Procurement
Question 54: Which Nigerian government institution manages the country’s foreign reserves and formulates monetary policy?
A. Federal Ministry of Finance
B. Central Bank of Nigeria (CBN)
C. Debt Management Office (DMO)
D. Nigerian Sovereign Investment Authority (NSIA)
Question 55: In 2023, Nigeria was elected as a non-permanent member of which major international organisation’s council?
A. United Nations Security Council and World Trade Organisation Board
B. African Union Executive Council
C. Commonwealth Ministerial Council
D. Non of the above
Question 56: Who is incumbent Deputy Speaker of Nigeria’s House of Representatives?
A. Godwill Akpabio
B. Tajudeen Abass
C. Benjamin Kalu
D. Kashim Shettima
Question 57: The present Vice President of Nigeria was a governor of which of the following states?
A. Kano
B. Yobe
C. Borno
D. Adamawa
Question 58: In Nigeria’s National Assembly, how many members constitute the House of Representatives?
A. 360
B. 109
C. 774
D. 450
Question 59: The incumbent Secretary general of the Organization of the Petroleum Exporting Countries (OPC) is…
A. Yemi Osinbajo
B. Haitham Al Ghais
C. Diezani Alison-Madueke
D. Jatum Galabani
Question 60: The military regime of Gen. Ibrahim Babangida created some states in 1987, how many states did he create?
A. Six
B. Five
C. Three
D. Two
Answers and explanations
1) Answer: D
Explanation: CDCFIB is made up of four paramilitary bodies: Nigeria Immigration Service (NIS), Nigeria Security and Civil Defence Corps (NSCDC), Nigerian Correctional Service (NCoS), and Federal Fire Service (FFS)
2) Correct Answer: A
Explanation: 112 is the standard emergency line in Nigeria that connects you to services like fire response, making it quick and reliable for urgent help. If 112 is not connecting because of your location, then you can call 08032003557
3) Answer: August 14, 2025.
Explanation: Olumode Samuel Adeyemi was appointed by President Bola Tinubu on July 30, 2025. He appointment took effect from August 14, 2025, while he was decorated with his new rank on August 15, 2025. Please note.
4) Correct Answer: C
Explanation: CO2 works by pushing out oxygen around the fire without carrying electricity, so it won’t shock anyone or make the situation worse. CO2 is used because they are non-conductive and will not shock the user. CO2 extinguishers are often preferred because they smother the fire and leave no residue, which is ideal for sensitive equipment.
5 Correct Answer: B
Explanation: Class B covers flammable liquids because these fires spread fast and need agents that smother them without adding more fuel. Fires involving flammable liquids such as petrol or oil are classified as Class B fires under both the European (BS EN2) and US (NFPA) fire classification systems.
6) Explanation: Analyzing patterns across incidents is crucial for investigating a serial fire setter because it allows investigators to link seemingly unrelated crimes, identify the offender’s unique signature or modus operandi (M.O.), and develop a psychological profile to narrow down suspects and predict future behavior
Patterns like methods or times reveal connections, aiding in profiling and apprehension.
7) Correct Answer: B
Explanation: As the Incident Commander at a hazardous material (hazmat) spill with fire risk, the immediate isolation strategy will prioritize life safety and involve the rapid establishment of an exclusion zone using the Emergency Response Guidebook (ERG) as a primary tool. Zones limit exposure, keeping decontamination and treatment organized while containing the threat.
8) Correct Answer: A
9) Correct Answer: C
Explanation: Water can conduct electricity, turning a fire into a deadly shock hazard for anyone nearby.
10) Correction Answer: D
Note: the Federal Fire Service has 18 Commands spread across Nigeria, known as Zone e.g Zone A, Zone B etc to Zone R. FFS has six departments.
11) Answer: C
Explanation: Olumode Samuel Adeyemi is the incumbent CG of Fire Service in Nigeria. He was appointed by President Bola Tinubu on July 30, 2025. He appointment took effect from August 14, 2025, while he was decorated with his new rank on August 15, 2025.
12) Correct Answer: A
13) Correct Answer: C
Explanation: These are liquid-based fires that need blanketing to cut off air, unlike solid materials in other classes. A Class B fire typically involves flammable liquids such as gasoline, oil, grease, paint, and solvents. These fires are often found in industrial settings, garages, workshops, or anywhere flammable liquids are stored or used
14) Correct Answer: D
Explanation: There are 5 fire extinguisher colours: Red, Cream, Blue, Black, and Yellow.
15) Correct Answer: C
Explanation: The Ministry of Interior handles internal security matters, and the fire service falls under that because it’s about keeping communities safe from emergencies like fires.
16) Answer: A
Explanation: The Fire Service in Nigeria was established in 1901, as an arm of the Lagos Police Fire brigade. In April1963, an act of Parliament established the Federal Fire Service
17) Correct Answer: D
Explanation: Fires need fuel, heat, and oxygen to keep going; carbon dioxide actually helps put them out by replacing the oxygen.
18) Correct Answer: C
Explanation: Halligan bar. It is often used in combination with a flathead axe, and this pair of tools is known as “the irons. The Halligan bar is a versatile, multi-purpose prying tool consisting of three main parts: An adze (wedge or blade); A pick; A fork (or claw).
19) Correct Answer: C
Explanation: It gives early warning by sensing smoke, giving folks time to get out safely before the fire grows.
20) Correct Answer: B
Explanation: NFPA 1021 outlines the skills and knowledge officers need, like leadership and safety, to handle teams effectively.
21) Correct Answer: C
Explanation: The Fire Service in Nigeria was established in 1901, as an arm of the Lagos Police Fire brigade. In April1963, an act of Parliament established the Federal Fire Service.
22) Correct Answer: D
Explanation: Clear communication ensure everyone knows their role, preventing mistakes and keeping operations smooth under pressure.
23) Correct answer: A
24) Correct Answer: B
Explanation: Triage helps focus on those who need urgent help to survive, making the best use of limited time and resources in a crisis.
25) Correction answer: B
Explanation: The highest rank a non-commissioner fire service officer can reach is Senior Inspector of Fire (SIF)
27) Correction answer: D.
Explanation: Reverend Canon Lawrence Chukwu Nwaka was the first Controller-General of Nigerian Fire Service. He died on July 21, 2002
28) Correct answer: D
Explanation: There has not yet been a woman appointed as the Controller General of Fire in Nigeria.The highest rank attained by a woman in the Nigeria Federal Fire Service is Deputy Controller General (DCG), a position first held by DCG Ijeoma Achi-Okidi, when she was promoted to DCG on September 25, 2025
29) Correct Answer: B
Explanation: The next logical step after observing burn patterns that suggest the use of accelerants is to collect samples of fire debris from the suspected areas and send them for laboratory analysis.
30) Correct answer: D
Explanation: Zones and states under them are:
- Zone A (Benue, Nasarawa)
- Zone B (Plateau, Kaduna)
- Zone C (Bauchi, Gombe)
- Zone D (Enugu, Anambra)
- Zone E (Akwa Ibom,Rivers)
- Zone F (Lagos, Ogun)
- Zone G (Niger, Fct)
- Zone H (Sokoto, Kebbi)
- Zone I (Adamawa, Taraba)
- Zone J (Imo, Abia)
- Zone K (Delta, Bayelsa, Edo)
- Zone L (Osun, Oyo)
- Zone M (Kano, Jigawa)
- Zone N (Borno, Yobe)
- Zone O (Kwara, Kogi)
- Zone P (Katsina, Zamfara)
- Zone Q (Cross River, Ebonyi)
- Zone R (Ekiti, Ondo)
31) Answer: C. is
Explanation: When “neither…nor” joins subjects, the verb agrees with the subject closest to it. Here, “commander” is singular, so the verb should also be singular — is.
32) Answer: A. Careless
Explanation: Meticulous means very careful and detailed; its opposite is careless.
33) Answer: A. To give orders or be in control
Explanation: The idiom “call the shots” means to be the person who makes important decisions or gives instructions.
34) Answer: C. She likes reading, swimming, and jogging.
Explanation: Parallel structure requires the same grammatical form in a list — here, all gerunds (-ing forms).
35) Answer: A. of
Explanation: The adjective capable is correctly followed by the preposition of — “capable of doing something.”
36) Answer: C. had studied
Explanation: This is a third conditional sentence describing an unreal past situation. The correct form is had + past participle.
37) Answer: A. continuous
Explanation: Continuous means unbroken or without pause; continual means happening repeatedly. The unbroken nature of firefighting makes continuous correct.
38) Answer: B. The firefighter running quickly reached the gate.
Explanation: The modifier “running quickly” must describe the subject (the firefighter), not the object (the gate).
39) Answer: B. To end a quarrel and become friendly again
Explanation: The phrase originates from a Native American tradition symbolising peace after conflict.
40) Answer: A. Fragile
Explanation: Resilient describes someone or something that recovers easily from difficulty; fragile means easily damaged or weak — the opposite.
Join EdubaseNG WhatsApp Channel to get the latest education & student loan tips
Join our Telegram Channel to get the latest news about Student Loans & Education News.
Are you a stakeholder in education? You can become our guest writer. Write to us using our our email address here



