All Practice Exams
100+ Free SACE Stage 2 Geography Practice Questions
SACE Stage 2 Geography External Assessment practice questions are available now; exam metadata is being verified.
✓ No registration✓ No credit card✓ No hidden fees✓ Start practicing immediately
100+ Questions
100% Free
Loading practice questions...
Same family resources
Explore More South Australian Certificate of Education (SACE) Stage 2
Continue into nearby exams from the same family. Each card keeps practice questions, study guides, flashcards, videos, and articles in one place.
2026 Statistics
Key Facts: SACE Stage 2 Geography Exam
30%
Weighting of the external 2-hour written examination
SACE Board of South Australia
70%
Weighting of School-Assessed Coursework (Investigations & Fieldwork)
SACE Board of South Australia
4 Major Topics
Ecosystems, Population, Urban Places, Geospatial Skills
SACE Geography Subject Outline
100
Original practice questions in this bank
OpenExamPrep
SACE Stage 2 Geography is the South Australian Certificate of Education Year 12 course covering ecosystems, demographics, urban spatial dynamics, and geospatial techniques. Assessed via 70% school coursework and a 30% external 2-hour exam, it tests critical geographical inquiry, data interpretation, and environmental management strategies. This 100-question prep bank offers comprehensive multiple-choice revision with full explanations.
Sample SACE Stage 2 Geography Practice Questions
Try these sample questions to test your SACE Stage 2 Geography exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.
1A rural community in South Australia consumes resources that require 15,000 global hectares (gha) of productive land and water. If the population of the town is 3,000 residents, what is the per capita ecological footprint of this community?
A.5.0 gha/capita
B.0.2 gha/capita
C.4.5 gha/capita
D.45.0 gha/capita
Explanation: Per capita ecological footprint is calculated by dividing total global hectares used by population: 15,000 gha / 3,000 residents = 5.0 gha/capita. This metric measures human demand on nature relative to biological capacity. The second alternative incorrectly inverts the fraction (3,000 / 15,000 = 0.2). The third alternative and The fourth alternative represent arithmetic errors.
2In a woodland ecosystem sample of 100 individual trees, 70 are Eucalyptus socialis, 20 are Eucalyptus dumosa, and 10 are Acacia pycnantha. Using Simpson's Diversity Index formula D = 1 - [sum(n*(n-1)) / (N*(N-1))], calculate the diversity index D of this sample.
A.0.463
B.0.537
C.0.890
D.0.120
Explanation: N = 100, N*(N-1) = 9900. sum(n*(n-1)) = 70*69 + 20*19 + 10*9 = 4830 + 380 + 90 = 5300. Simpson's Index D = 1 - (5300 / 9900) = 1 - 0.5354 = 0.464 (approx 0.463). The second alternative gives the dominance measure sum(n*(n-1))/(N*(N-1)) = 0.535 without subtracting from 1. The remaining options represent miscalculations.
3An estuarine wetland ecosystem produces a Gross Primary Productivity (GPP) of 4,000 g/m²/year. If autotrophic respiration (R) accounts for 2,250 g/m²/year, what is the Net Primary Productivity (NPP) of the ecosystem?
A.1,750 g/m²/year
B.6,250 g/m²/year
C.1.78 g/m²/year
D.2,250 g/m²/year
Explanation: Net Primary Productivity is calculated as NPP = GPP - R. Subtracting autotrophic respiration (2,250 g/m²/year) from Gross Primary Productivity (4,000 g/m²/year) yields 1,750 g/m²/year. The second alternative adds GPP and R together (6,250). The third alternative divides GPP by R, and The fourth alternative simply repeats the respiration value.
4In a grassland food chain, primary producers capture 50,000 kJ/m²/year of solar energy into plant biomass. Herbivores assimilate 5,000 kJ/m²/year, and carnivores assimilate 500 kJ/m²/year. What is the trophic efficiency percentage between producers and primary consumers?
A.10.0%
B.1.0%
C.50.0%
D.90.0%
Explanation: Trophic efficiency is calculated as (Energy assimilated by consumer / Energy captured by producer) * 100 = (5,000 / 50,000) * 100 = 10.0%. The second alternative (1.0%) calculates efficiency from producers to secondary consumers (carnivores: 500 / 50,000 * 100). The third alternative and The fourth alternative represent incorrect ratios.
5A native forest zone of 80,000 hectares suffers a land loss of 1,600 hectares due to agricultural clearing over a 5-year period. What is the annual deforestation rate expressed as a percentage of the initial forest area?
A.0.4% per year
B.2.0% per year
C.4.0% per year
D.0.04% per year
Explanation: Total clearing percentage over 5 years is (1,600 / 80,000) * 100 = 2.0%. The annual deforestation rate is 2.0% / 5 years = 0.4% per year. The second alternative (2.0%) is the total 5-year loss, not the annual rate. The third alternative doubles the total loss, and The fourth alternative misplaces the decimal point.
6According to Conservation International criteria, to qualify as a global biodiversity hotspot, a region must contain at least 1,500 endemic vascular plant species and have lost at least what percentage of its primary native vegetation?
A.70%
B.50%
C.30%
D.90%
Explanation: A biodiversity hotspot must contain at least 1,500 endemic species of vascular plants (>0.5% of the world's total) and have lost at least 70% of its original primary vegetation (retaining 30% or less). The second alternative (50%), The third alternative (30%), and The fourth alternative (90%) deviate from official ecological hotspot benchmarks.
7Which ecological process explains why apex marine predators like mercury-accumulating sharks retain higher toxin concentrations per unit body weight than herbivorous reef fish?
A.Biomagnification across trophic levels
B.Bioaccumulation within a single organism's lifetime
C.Eutrophication of upper water column layers
D.Thermal stratification of pelagic habitats
Explanation: Biomagnification refers to the progressive increase in chemical toxin concentration at successively higher trophic levels in a food chain. Bioaccumulation (second choice) describes uptake within a single individual organism over time. The third alternative concerns nutrient enrichment, and The fourth alternative relates to water temperature layers.
8Coral bleaching events occur when sea surface temperatures exceed seasonal maximum averages by as little as 1.0°C to 2.0°C for sustained periods. This thermal stress causes corals to expel which essential symbiotic organism?
A.Zooxanthellae (photosynthetic dinoflagellates)
B.Nitrosomonas (nitrifying bacteria)
C.Cyanobacteria (blue-green algae)
D.Foraminifera (calcareous protozoans)
Explanation: Thermal stress forces coral polyps to expel endosymbiotic zooxanthellae, losing their primary photosynthetically derived nutrient source and color. The second alternative nitrifies ammonia in nitrogen cycles. The third alternative forms microbial mats, and The fourth alternative produces calcium carbonate tests, but neither is the primary coral bleaching symbiont.
9Under the Murray-Darling Basin Plan, environmental water recovery targeted 2,750 Gigalitres (GL) per year. If 2,100 GL/year has been recovered through infrastructure upgrades and water entitlements, what percentage of the recovery target remains to be fulfilled?
A.23.6%
B.76.4%
C.31.0%
D.15.2%
Explanation: Remaining target volume = 2,750 GL - 2,100 GL = 650 GL. Remaining percentage = (650 / 2,750) * 100 = 23.63% (approx 23.6%). The second alternative (76.4%) is the percentage already recovered. The third alternative and The fourth alternative represent incorrect calculations.
10An agricultural paddock in the Mid North region of South Australia loses 12 tonnes of topsoil per hectare annually. If tolerable soil loss (T-value) for sustainable farming is 3 tonnes/ha/year, by what factor does current erosion exceed the sustainable threshold?
A.4.0 times
B.0.25 times
C.9.0 times
D.36.0 times
Explanation: The factor by which erosion exceeds sustainable threshold is calculated by dividing actual erosion rate by tolerable rate: 12 tonnes/ha/yr / 3 tonnes/ha/yr = 4.0 times. The second alternative inverts the ratio (3 / 12 = 0.25). The remaining options represent incorrect mathematical operations.
About the SACE Stage 2 Geography Practice Questions
Verified exam format metadata for SACE Stage 2 Geography External Assessment is pending. The practice questions above remain available while official exam length, timing, passing score, fee, and administrator details are reviewed.