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Question 1
A 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?
Correct Answer:
5.0 gha/capita
Question 2
In 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.
Correct Answer:
0.463
Question 3
An 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?
Correct Answer:
1,750 g/m²/year
Question 4
In 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?
Correct Answer:
10.0%
Question 5
A 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?
Correct Answer:
0.4% per year
Question 1
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About this Exam

Prepare with the SACE Stage 2 Geography Practice Questions - SACE Stage 2 Geography External Assessment Exam practice quiz. This question bank includes 100 questions covering population, year, rate, total, and percentage. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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SACE Stage 2 Geography Practice Questions - SACE Stage 2 Geography External Assessment Exam

This practice set contains 100 questions from the matching question bank and focuses on population, year, rate, total, and percentage. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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