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Key Facts: GCE O/L Geography Exam

Subject 61

Official Department of Examinations Subject Code

Department of Examinations, Sri Lanka

40 MCQs

Paper 1 Multiple-Choice Item Count

Department of Examinations, Sri Lanka

3 Hours

Total Examination Time (Paper 1: 1h + Paper 2: 2h)

Department of Examinations, Sri Lanka

Grade S

Minimum Passing Grade (35 Marks)

Department of Examinations, Sri Lanka

3 Languages

Administered in Sinhala, Tamil, and English

Ministry of Education, Sri Lanka

Sri Lanka GCE O/L Geography (Subject Code 61) is a Category 1 elective evaluating physical earth systems, Sri Lankan regional geography, resources, and 1:50,000 map reading across Paper 1 (40 MCQs, 1 hour) and Paper 2 (structured essay and map marking, 2 hours).

Sample GCE O/L Geography Practice Questions

Try these sample questions to review concepts for the GCE O/L Geography exam. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1What primary natural phenomenon is caused directly by the rotation of the Earth on its axis from west to east once every 24 hours?
A.The alternation of day and night
B.The annual change of agricultural seasons
C.The cyclical variation in lunar phases
D.The occurrence of solar and lunar eclipses
Explanation: The rotation of the Earth on its axis from west to east causes different parts of the planetary surface to face toward or away from the Sun, resulting in the continuous cycle of day and night. A complete rotation takes approximately 23 hours, 56 minutes, and 4 seconds, conventionally treated as a 24-hour solar day. This rotational movement also causes the apparent daily motion of celestial bodies across the sky.
2On which of the following dates does the Summer Solstice occur in the Northern Hemisphere, when the midday Sun is overhead at the Tropic of Cancer (23.5° N)?
A.March 21
B.June 21
C.September 23
D.December 22
Explanation: On June 21, the Summer Solstice occurs in the Northern Hemisphere as the Earth's North Pole is tilted closest toward the Sun. On this day, incoming solar rays strike perpendicularly at the Tropic of Cancer (23.5° N latitude). Consequently, the Northern Hemisphere experiences its longest period of daylight and shortest night of the year.
3How does the Coriolis effect alter the trajectory of freely moving air currents in the Northern and Southern Hemispheres?
A.Deflects winds to the left in the Northern Hemisphere and to the right in the Southern Hemisphere
B.Deflects winds toward the poles in both hemispheres equally
C.Deflects winds to the right in the Northern Hemisphere and to the left in the Southern Hemisphere
D.Accelerates winds toward the Equator without changing their lateral direction
Explanation: The Coriolis effect is an apparent inertial force generated by the planetary rotation of the Earth. Under Ferrel's Law, this force deflects moving fluids, including winds and ocean currents, to the right of their path of motion in the Northern Hemisphere and to the left in the Southern Hemisphere. The magnitude of deflection is zero at the Equator and reaches its maximum at the geographic poles.
4Which seismic discontinuity forms the boundary separating the Earth's crust from the underlying mantle?
A.Gutenberg discontinuity
B.Lehmann discontinuity
C.Conrad discontinuity
D.Mohorovičić discontinuity
Explanation: The Mohorovičić discontinuity, commonly known as the Moho, marks the compositional boundary between the Earth's crust and the upper mantle. Seismic waves increase abruptly in velocity upon crossing the Moho due to the transition from less dense crustal rocks to denser peridotitic mantle material. Its depth averages around 5 to 10 kilometers beneath oceanic basins and 30 to 50 kilometers beneath continental masses.
5What is the physical state and characteristic behavior of the asthenosphere that allows tectonic plates to move across it?
A.A semi-molten, ductile zone capable of slow plastic flow under high heat and pressure
B.A rigid, brittle crystalline layer that shatters under tectonic stress
C.A completely liquid metallic pool of molten iron and nickel
D.A cold, gaseous pocket separating the upper lithosphere from the core
Explanation: The asthenosphere is the mechanical layer of the upper mantle situated directly below the rigid lithosphere, between roughly 100 and 250 kilometers deep. High temperatures and confining pressures cause its peridotite rock to be ductile and semi-plastic. Convection currents within this flowing layer transfer internal heat and drive the lateral motion of the overlying tectonic lithospheric plates.
6Which German meteorologist proposed the comprehensive Continental Drift hypothesis in 1912, suggesting all continents were once united in a supercontinent named Pangaea?
A.Charles Lyell
B.Alfred Wegener
C.Harry Hess
D.James Hutton
Explanation: Alfred Wegener formulated the Continental Drift hypothesis in 1912, positing that over 200 million years ago the landmasses formed a solitary supercontinent called Pangaea surrounded by the ocean Panthalassa. He supported his concept using geological jigsaw fits between South America and Africa, identical fossil deposits (such as Glossopteris and Mesosaurus), and matching glacial striations across southern continents.
7Which major underwater geological feature is produced along a divergent boundary between tectonic plates in an oceanic basin?
A.Deep oceanic trench formed by subduction
B.High folded mountain belt with folded marine sediments
C.Mid-oceanic ridge with a central rift valley
D.Steep transform fault valley without volcanism
Explanation: Divergent boundaries in oceanic basins occur where tectonic plates pull apart from each other, allowing magma from the asthenosphere to ascend, cool, and construct new basaltic oceanic crust. This continuous volcanic accretion generates extensive mid-oceanic ridge systems, such as the Mid-Atlantic Ridge, characterized by elevated submarine mountains and central rift valleys.
8What geological zone is formed where a denser oceanic plate descends beneath an adjacent continental plate into the upper mantle?
A.Spreading rift valley with linear basaltic volcanoes
B.Continental suture zone with folded plateau uplifts
C.Lateral shear zone characterized by strike-slip faulting
D.Subduction zone with an oceanic trench and volcanic arc
Explanation: At an oceanic-continental convergent boundary, the denser oceanic lithosphere plunges beneath the buoyant continental plate into the mantle along a subduction zone. This process carves a deep oceanic trench offshore and triggers partial melting of mantle wedge materials. Ascending magma feeds a chain of explosive volcanoes and folded mountain chains along the continental margin, exemplified by the Andes mountain system.
9Which famous North American geological fault serves as a classic terrestrial example of a transform plate boundary?
A.San Andreas Fault
B.Great Rift Valley Fault
C.Alpine Fault of New Zealand
D.Himalayan Frontal Thrust
Explanation: The San Andreas Fault in California is a prominent continental transform fault boundary separating the Pacific Plate and the North American Plate. Along this fault, the two plates slide horizontally past one another in a strike-slip fashion. Because lithosphere is neither created nor destroyed at this boundary, it produces frequent severe earthquakes without generating extensive volcanic chains.
10Why do composite cone (stratovolcano) eruptions tend to be far more explosive than shield volcano eruptions?
A.Their basaltic magma contains virtually no dissolved steam or carbon dioxide
B.Their felsic or andesitic magma has high silica content and high viscosity, trapping dissolved gases under immense pressure
C.Their lava flows at extraordinarily high temperatures, allowing gases to vent harmlessly
D.Their magma originates exclusively from the outer core rather than the upper crust
Explanation: Stratovolcanoes erupt felsic or intermediate (andesitic/dacitic) magmas containing high percentages of silica (over 60%), which makes the molten rock thick and viscous. Because gases like steam, sulfur dioxide, and carbon dioxide cannot escape freely through this sticky lava, pressures escalate until catastrophic pyroclastic explosions blow the summit apart. In contrast, shield volcanoes erupt fluid basaltic lava with low silica content, allowing gentle degassing.

About the GCE O/L Geography Exam

The Sri Lanka General Certificate of Education (Ordinary Level) Geography examination (Subject Code 61) is a Category 1 elective assessment conducted annually by the Department of Examinations, Sri Lanka, for Grade 11 candidates. Based on the national curriculum developed by the National Institute of Education (NIE), the syllabus balances foundational physical earth systems with the detailed human and regional geography of Sri Lanka. Students explore planetary dynamics, weather elements, tectonic activity, and landform formation alongside Sri Lanka's relief zones, climatic divisions, drainage basins, agriculture, mineral wealth, and settlement trends. A crucial component of the assessment is practical cartography, requiring candidates to read and interpret 1:50,000 topographic maps published by the Survey Department of Sri Lanka. Achieving strong results in Ordinary Level Geography provides an exceptional bridge toward the G.C.E. Advanced Level Arts curriculum and careers in urban planning, environmental resource management, cartography, and meteorology. This practice bank presents 100 detailed questions with comprehensive explanations to help candidates develop mastery across all syllabus topics.

Exam sponsor: Department of Examinations, Sri Lanka (doenets.lk). The requirements and fees below concern the certification or admission exam, separate from our free practice resources.

Assessment

The examination consists of two written papers: Paper 1 contains 40 compulsory multiple-choice questions (1 hour, 40 marks). Paper 2 consists of structured questions, essay questions, and 1:50,000 Sri Lanka topographic map marking (2 hours, 60 marks). Together, the two papers produce an aggregate mark out of 100.

Time Limit

Paper I and Paper II are sat in a single session of 3 hours 10 minutes

Passing Score

Grade S or higher

Exam / Certification Fees

Free for school candidates; nominal fee for private candidates

Exam sponsor website

Reported exam pass rate: Approximately 72% to 80% of candidates achieve a Grade S or higher nationally.. This describes exam candidates, not OpenExamPrep users or results from using our resources. Exam sponsor website

Fees, eligibility, and exam policies can change. Confirm them with the exam sponsor before applying or paying.

Our practice resources: topics covered

We aim to reflect publicly available exam outlines and topic information in our study resources. Coverage, format, and difficulty may differ from the actual exam, and we cannot guarantee that every detail is accurate or current. Confirm exam requirements, fees, and policies with the official exam sponsor.

20%

Earth System and Physical Environment

Earth rotation and revolution, internal structure of the Earth, plate tectonics, volcanic activity, earthquakes, weathering, landforms, and weather elements including temperature, atmospheric pressure, winds, and precipitation.

30%

Physical Geography of Sri Lanka

Relief and morphological zones (Central Highlands, intermediate plains, coastal lowlands), drainage networks and major river basins (Mahaweli, Kelani, Kalu, Walawe), climatic zones (Wet, Dry, Intermediate), monsoon regimes, natural vegetation, and soil groups.

25%

Agriculture and Resources in Sri Lanka

Subsistence paddy farming, commercial plantation crops (tea, rubber, coconut), marine and inland fisheries, mineral deposits (gemstones, graphite, mineral sands), and water resources supporting multipurpose irrigation and hydropower schemes.

25%

Human Settlements and Practical Skills

Demographic patterns, urban and rural settlement types, industrial development, practical reading of 1:50,000 topographic maps (contours, scale, symbols, directions), environmental hazards (landslides, floods, droughts), and disaster mitigation.

Preparing for the GCE O/L Geography Exam

What You Need to Know

  • Passing score: Grade S or higher
  • Assessment: The examination consists of two written papers: Paper 1 contains 40 compulsory multiple-choice questions (1 hour, 40 marks). Paper 2 consists of structured questions, essay questions, and 1:50,000 Sri Lanka topographic map marking (2 hours, 60 marks). Together, the two papers produce an aggregate mark out of 100.
  • Time limit: Paper I and Paper II are sat in a single session of 3 hours 10 minutes
  • Exam / certification fees: Free for school candidates; nominal fee for private candidates Official sources

Using Our Practice Resources

  • Work through all 100 available questions
  • Review every answer and explanation
  • Track weak areas and revisit them
  • Use our AI tutor for tough concepts

Frequently Asked Questions

What is the format and structure of the GCE O/L Geography examination?

The examination comprises two separate written papers totaling 100 marks. Paper 1 has 40 compulsory multiple-choice questions (1 hour, 40 marks). Paper 2 has a duration of 2 hours (60 marks) and contains a compulsory 1:50,000 topographic map reading and marking question, followed by structured essay questions from which candidates select a specified number.

How is practical map work tested in Paper 2?

Candidates are provided with an extract of a standard 1:50,000 topographic survey sheet produced by the Survey Department of Sri Lanka. Questions evaluate the candidate's ability to measure straight-line and curved ground distances using the metric scale bar, identify conventional symbols (such as trig stations, irrigation channels, and religious sites), determine eight-point compass directions, and mark requested geographical features directly onto the map sheet.

In which languages is the O/L Geography paper administered?

The examination is administered nationwide in three official media of instruction: Sinhala, Tamil, and English. The question items, geographic names, maps, and diagrams are standardized across all language media.

What passing grades are awarded in GCE O/L Geography?

Results are certified using national letter grades: Grade A (Distinction, 75–100 marks), Grade B (Very Good Pass, 65–74 marks), Grade C (Credit Pass, 55–64 marks), Grade S (Ordinary/Simple Pass, 35–54 marks), and Grade W (Failure, below 35 marks). Grade S is the minimum passing threshold.

Are drawing instruments and calculators allowed in the examination?

Candidates must bring a ruler (graduated in centimeters and millimeters), a pencil, and an eraser for map measurements and diagram sketches. Calculators and electronic digital devices are strictly prohibited in the examination hall.