WAEC GCE Building Construction Objective, Essay & Drawing Questions and Answers 2025 (Nov/Dec) - ScholarsSeeders – NECO, WAEC, JAMB & Scholarship Updates

The West African Examinations Council (WAEC) conducts the General Certificate Examination (GCE) every year for private candidates across West Africa.

This post provides trusted WAEC GCE Building Construction 2025 (Nov/Dec) Objective, Essay, and Drawing practice questions and answers to help you prepare effectively for success.

You’ll also find the official exam date, preparation tips, and a section on common mistakes students must avoid to score higher.

Exam Date and Time – WAEC GCE Building Construction 2025 (Nov/Dec)

Date: Monday, 24th November, 2025

Paper Schedule:

• Building Construction 2 (Essay): 8:30 am – 9:30 am (1 hr)

• Building Construction 1 (Objective): 9:30 am – 10:15 am (45 mins)

• Building Construction 3 (Building Drawing & Essay): 1:00 pm – 3:30 pm (2 hrs 30 mins)

Below are 30 practice multiple-choice questions and correct answers carefully designed to reflect the standard of the 2025 WAEC GCE Nov/Dec examination.

SECTION A – Objective Questions

1. The main purpose of a foundation is to:
   Answer: Distribute the building load evenly to the soil.

2. The most suitable material used for damp-proofing is:
   Answer: Bituminous felt.

3. The horizontal support over door and window openings is the:
   Answer: Lintel.

4. The tool used to cut metal pipes is called a:
   Answer: Hacksaw.

5. Concrete is a mixture of:
   Answer: Cement, sand, and aggregate.

6. A staircase component that provides the step surface is the:
   Answer: Tread.

7. The correct mix ratio for a normal concrete floor is:
   Answer: 1:2:4.

8. The function of a wall plate is to:
   Answer: Support roof trusses.

9. The part of the building that protects it from rainfall is the:
   Answer: Roof.

10. The process of removing topsoil and vegetation is called:
    Answer: Site clearing.

11. The vertical element that supports the steps is the:
    Answer: Riser.

12. The test used to measure the consistency of concrete is the:
    Answer: Slump test.

13. A drawing showing the layout of a building from above is called a:
    Answer: Plan.

14. The building component that transmits loads to the subsoil is the:
    Answer: Foundation.

15. Which of these is used for checking levels?
    Answer: Spirit level.

16. The tool used to form right angles is:
    Answer: Builder’s square.

17. The lower horizontal member in a roof truss is the:
    Answer: Tie beam.

18. Which of these materials is not a good insulator?
    Answer: Metal.

19. The method of joining two timbers at right angles is called:
    Answer: Mortise and tenon joint.

20. The protective covering at the edge of a roof is called:
    Answer: Fascia board.

21. The line used to show hidden parts in a building drawing is a:
    Answer: Dashed line.

22. The instrument used to measure angles is the:
    Answer: Protractor.

23. The process of compacting soil before construction is known as:
    Answer: Ramming.

24. The uppermost horizontal line of a roof is called the:
    Answer: Ridge.

25. Reinforcement bars in concrete prevent:
    Answer: Tensile failure.

26. The symbol Ø on a drawing stands for:
    Answer: Diameter.

27. The act of marking dimensions on a drawing is called:
    Answer: Dimensioning.

28. The document used for estimating material cost is the:
    Answer: Bill of Quantities.

29. The primary reason for site fencing during construction is:
    Answer: Security and safety.

30. The space between ceiling and roof covering is called the:
    Answer: Roof void.

 SECTION B – Essay Practice Questions

Answer any five (5) for self-practice:

1. Explain five types of building foundations and their uses.

2. Describe four main tools used for site preparation.

3. With diagrams, discuss three types of roof designs.

4. Explain five causes of building collapse.

5. Describe the process of concrete mixing and curing.

6. Discuss five building drawing symbols and their meanings.

7. Explain the importance of ventilation in building design.

SECTION C – Building Drawing Task

In the drawing section (Paper 3), candidates will be asked to:

• Produce a floor plan of a residential bungalow.

• Draw the front elevation clearly showing windows and doors.

• Indicate foundation details and roof slope.

• Label all components properly.

More Posts You’ll Like

WAEC 2025 GCE Visual Art Objective & Answers WAEC GCE Hausa, Igbo & Yoruba Questions & Answers WAEC GCE Economics Objective & Essay WAEC GCE English Language Objective & Essay 2025 WAEC GCE Nov/Dec Further Maths Answers WAEC GCE Technical Drawing 2025/2026

Top 10 Mistakes Students Make in WAEC GCE Building Construction (and How to Avoid Them)

1. Neglecting practical drawing practice:
   ➤ Practice building drawings regularly to improve speed and neatness.

2. Ignoring question instructions:
   ➤ Always read each question twice before answering.

3. Poor time management:
   ➤ Allocate time properly between objective and essay sections.

4. Untidy diagrams:
   ➤ Use clean rulers and HB pencils for neat work.

5. Incorrect use of symbols:
   ➤ Learn and memorize standard WAEC building symbols.

6. Skipping site safety topics:
   ➤ Study safety rules; they are always tested.

7. Not labeling drawings:
   ➤ Every part of your sketch must have a clear label.

8. Using the wrong scale:
   ➤ Know common scales like 1:50 and 1:200 for plans.

9. Incomplete answers:
   ➤ Explain fully with examples and diagrams.

10. Failure to revise past questions:
    ➤ Practice at least five years of WAEC past papers.

Final Tips for WAEC GCE Building Construction 2025 (Nov/Dec)

• Review all WAEC GCE syllabus topics early.

• Practice both drawing and theory questions.

• Join a study group or online forum for discussion.

• Stay calm during the exam and manage your time wisely.