100+ Free Cameroon GCE A-Level Geology Practice Questions
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Key Facts: Cameroon GCE A-Level Geology Exam
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Target Qualification
The Cameroon GCE A-Level Geology (0755) is an advanced Earth Sciences examination administered by the Cameroon GCE Board in Buea. Comprising 3 papers (Paper 1 MCQ, Paper 2 Theory, Paper 3 Practical), it tests crystallography, mineralogy, igneous/sedimentary/metamorphic petrology, structural geology, plate tectonics, Cameroon regional geology, palaeontology, hydrogeology, economic geology, and 3D mapwork. This bank delivers 100 comprehensive practice MCQs with step-by-step solutions.
Sample Cameroon GCE A-Level Geology Practice Questions
Try these sample questions to test your Cameroon GCE A-Level Geology exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.
1Which of the following defines the crystallographic axial lengths and interaxial angles of the Tetragonal crystal system?
2A crystal face cuts the crystallographic a-axis at 1 unit, the b-axis at 2 units, and is parallel to the c-axis (intercept at ∞). What are the Miller indices (hkl) for this face?
3How many planes of symmetry, axes of symmetry, and centers of symmetry are present in the normal class of the Isometric (Cubic) crystal system (Galena type)?
4Which of the following correctly arranges the index minerals of the Mohs scale of hardness in order of increasing hardness?
5In silicate mineralogy, what fundamental structural arrangement defines the Inosilicates?
6How can pyroxenes and amphiboles be distinguished reliably in hand specimens and thin sections based on their cleavage angles?
7A petrographic thin section of standard thickness d = 30 μm (0.030 mm) shows a colorless mineral exhibiting a maximum optical retardation Δ = 270 nm (first-order yellow/white) under crossed polars. Using the birefringence formula δ = Δ / (1000 · d), what is the mineral's birefringence and most probable identity?
8Under a polarizing petrographic microscope with crossed polars, a quartz crystal in a deformed quartzite displays wavy, non-uniform extinction that sweeps across the grain as the stage is rotated. What is this optical phenomenon called and what causes it?
9Which of the following field and chemical tests reliably distinguishes Calcite from Dolomite in rock specimens?
10A geologist uses a hydrostatic balance to determine the specific gravity (SG) of an unknown mineral specimen. The dry specimen weighs 52.0 g in air and 32.0 g when suspended in distilled water. Using SG = W_air / (W_air - W_water), what is the specific gravity of the mineral?
About the Cameroon GCE A-Level Geology Exam
The Cameroon GCE Advanced Level Geology (Subject Code 0755) is the premier national high school leaving and university qualifying examination in Earth Sciences in Anglophone Cameroon. Administered annually by the Cameroon GCE Board in Buea, it rigorously evaluates candidates across five comprehensive syllabus domains: Mineralogy, Crystallography and Petrology; Structural Geology and Plate Tectonics; Palaeontology, Stratigraphy and Earth History; Economic Geology, Hydrogeology and Engineering Geology; and Geological Mapwork and Field Methods. The examination places unique emphasis on regional African and Cameroonian geology, including the Cameroon Volcanic Line, Mount Cameroon eruptive history, the Lake Nyos limnic gas disaster, the Congo Craton, and national petroleum/mineral basins. Format note: this site's practice bank is 100 four-option multiple-choice questions covering the whole official syllabus. Paper 1 of the real examination is genuinely multiple choice (50 compulsory questions), so the format matches that paper, but the bank is a study aid only — it does not simulate the written theory/essay paper(s) or any practical examination, and its length does not describe the official exam.
Assessment
Official Advanced Level structure for subject code 0755 (Geology) per the Cameroon GCE Board June 2026 timetable (Form G6): Paper 1: 50 compulsory multiple-choice questions (1 hour 30 minutes); Paper 2: written theory/structured questions (3 hours); a separately scheduled practical examination (practical phase, 5–27 May 2026). Total written time is 4 hours 30 minutes. The Board does not publish per-paper mark weightings for individual subjects.
Time Limit
Paper 1: 1 hour 30 minutes; total written time 4 hours 30 minutes plus a separately scheduled practical examination.
Passing Score
Grade E or better (Cameroon GCE Advanced Level grades A, B, C, D and E are passes; O is a subsidiary pass and F is a fail)
Exam Fee
17,000 FCFA (Cameroon General Certificate of Education Board (CGCEB), Buea)
Cameroon GCE A-Level Geology Exam Content Outline
Mineralogy, Crystallography & Petrology
Comprehensive study of crystal systems, symmetry elements, Miller indices, physical and optical properties of rock-forming minerals (silicates, carbonates, oxides, halides, sulfides), Bowen's reaction series, magmatic differentiation, igneous structures and textures, weathering, sediment transport, sedimentary facies and diagenetic lithification, metamorphic agents, Barrowian metamorphic zones, index minerals, and metamorphic facies grids (greenschist, amphibolite, granulite, blueschist, eclogite, hornfels).
Structural Geology & Plate Tectonics
Investigation of stress and strain, brittle and ductile deformation, fold geometries (anticline, syncline, overturned, recumbent, isoclinal) and interlimb angles, fault classifications (normal, reverse, thrust, strike-slip) and Anderson's fault criteria, joints and unconformities, continental drift evidence, seafloor spreading rates, plate boundary dynamics, the Wilson cycle, and Cameroon regional geology including the Cameroon Volcanic Line (CVL), Mount Cameroon volcanism, Lake Nyos limnic gas release, and Precambrian basement geology (Congo Craton / Pan-African Mobile Zone).
Palaeontology, Stratigraphy & Earth History
Principles of stratigraphy (superposition, original horizontality, cross-cutting relationships, faunal succession), unconformities and stratigraphic correlation, fossil preservation modes (permineralization, carbonization, molds, casts, trace fossils/ichnology), invertebrate palaeontology (trilobites, brachiopods, cephalopods/ammonites, graptolites, corals, echinoderms), the Geological Time Scale, Precambrian atmosphere evolution (BIFs and Great Oxidation Event), the Cambrian Explosion, and major mass extinction events (End-Permian, End-Cretaceous K-Pg impact).
Economic Geology, Hydrogeology & Engineering Geology
Ore genesis processes (magmatic segregation, hydrothermal porphyry and vein systems, sedimentary BIFs, placer and residual bauxite deposits in Cameroon), petroleum geology (source rocks, kerogen maturation, reservoir porosity/permeability, seals, and trap types in Cameroonian sedimentary basins), coalification series, hydrogeology (confined/unconfined aquifers, Darcy's law flow calculations, storativity, transmissivity, cone of depression), and engineering geohazards (slope stability factor of safety calculations, landslides in Cameroon's Western Highlands, volcanic and seismic hazard mitigation).
Geological Mapwork & Field Methods
Interpretation of geological maps, contour analysis, rule of 'V's for outcrop patterns across topography, strike and dip definitions, true vs apparent dip calculations, geological cross-section construction, vertical exaggeration calculation, determination of stratigraphic thickness, fold and fault recognition on maps, borehole stratigraphic correlation, the three-point problem, and field geological equipment usage (compass-clinometer, strike azimuth right-hand rule).
How to Pass the Cameroon GCE A-Level Geology Exam
What You Need to Know
- Passing score: Grade E or better (Cameroon GCE Advanced Level grades A, B, C, D and E are passes; O is a subsidiary pass and F is a fail)
- Assessment: Official Advanced Level structure for subject code 0755 (Geology) per the Cameroon GCE Board June 2026 timetable (Form G6): Paper 1: 50 compulsory multiple-choice questions (1 hour 30 minutes); Paper 2: written theory/structured questions (3 hours); a separately scheduled practical examination (practical phase, 5–27 May 2026). Total written time is 4 hours 30 minutes. The Board does not publish per-paper mark weightings for individual subjects.
- Time limit: Paper 1: 1 hour 30 minutes; total written time 4 hours 30 minutes plus a separately scheduled practical examination.
- Exam fee: 17,000 FCFA
Keys to Passing
- Work through all 100 available questions
- Review every answer and explanation
- Track weak areas and revisit them
- Use our AI tutor for tough concepts
Cameroon GCE A-Level Geology Study Tips from Top Performers
Frequently Asked Questions
What is the structure of the Cameroon GCE Advanced Level Geology (0755) examination?
The Cameroon GCE A-Level Geology examination consists of three separate papers: Paper 1 is a 1-hour 30-minute multiple-choice paper comprising 50 compulsory questions; Paper 2 is a 2-hour 30-minute theory paper containing structured and essay-style questions covering advanced geological principles; and Paper 3 is a 2-hour 30-minute practical laboratory and mapwork examination testing hand specimen identification (minerals, rocks, fossils) and geological map interpretation.
What are the passing grades and scoring criteria for GCE A-Level Geology in Cameroon?
Results are awarded on a letter-grade scale from Grade A to Grade F. Grades A (5 points), B (4 points), C (3 points), D (2 points), and E (1 point) represent official passing grades at the Advanced Level. Grade O represents an Ordinary Level subsidiary pass (0 points), and Grade F is a failing grade. Achieving Grade E or above qualifies the student for university Earth Science and engineering admissions.
Why is regional Cameroon geology so heavily emphasized on the exam?
Cameroon possesses exceptional geological diversity, including the Cameroon Volcanic Line (CVL) with active stratovolcanoes like Mount Cameroon, rare limnic-active crater lakes (Lake Nyos and Lake Monoun), Archean cratonic basement rocks of the Congo Craton, and petroliferous coastal basins (Rio del Rey and Douala/Kribi-Campo). The CGCEB syllabus specifically mandates that students understand local geodynamic and economic geological features alongside global principles.
What mathematical and quantitative skills are required for the Geology examination?
Candidates must be able to perform calculations involving: Darcy's Law for groundwater flow rate and hydraulic gradients; radioactive half-life decay equations for radiometric dating; vertical exaggeration on geological cross-sections; true vs apparent dip trigonometric conversions; true stratigraphic thickness calculations; mineral specific gravity; fold interlimb angles; and slope stability Factor of Safety (FS) determinations.