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A Level H2 Geography Practice Paper 4
Free A Level H2 Geography Practice Paper 4, HY3 AI version, with questions, answers, and A Level-style practice for Singapore students.
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Answers
TuitionGoWhere Practice Paper - Geography H2 A-Level (Version 4) Answer Key
Total Marks: 60
Section A Answers (18 marks)
Q1. [2 marks]
- Sustainable development is development that meets the needs of the present without compromising the ability of future generations to meet their own needs (1 mark).
- It requires balancing economic growth, environmental protection, and social inclusion, recognising trade-offs and limits (1 mark). Teaching note: From Brundtland Report. Avoid defining only as "environmental protection".
Q2. [2 marks]
- Provisioning: e.g., food, freshwater, timber (1 mark).
- Regulating: e.g., climate regulation, flood control, water purification (1 mark). Teaching note: Provisioning = products obtained; regulating = benefits from ecosystem processes.
Q3. [2 marks]
- Proven reserves are quantities of a resource confirmed by exploration and economically extractable with current tech (1 mark).
- Speculative reserves are estimated to exist but not confirmed, with unknown economic feasibility (1 mark). Teaching note: Difference is in certainty and extractability.
Q4. [2 marks]
- Any two: (1) Ignores technological innovation that can raise carrying capacity; (2) Assumes fixed resource limits without considering distribution/access inequality; (3) Does not account for demographic transition reducing growth (2 marks, 1 each). Teaching note: Malthus seen as too pessimistic by modern geographers.
Q5. [3 marks]
- Country A has highest pressure (78% withdrawal) indicating near-full use of internal renewable water (1).
- Country C moderate (45%) (1).
- Country B low pressure (12%) with much unused capacity (1). Marking: Comparison across all three required.
Q6. [3 marks]
- Habitat destruction removes species/nutrient cycles (1) → reduces soil formation and primary production (support services) (1) → lowers ecosystem's capacity to maintain biogeochemical cycles (1). Teaching note: Supporting services underpin others.
Q7. [4 marks]
- Example: High-yield variety (HYV) seeds / mechanised irrigation / fertilisers (1).
- Explanation: Increased crop output per unit land, expanding food base beyond Malthusian limits (3 marks for how tech raised resource availability). Marking: 1 for example, 3 for reasoned explanation.
Section B Answers (24 marks)
Q8. [5 marks]
- City W highest economic (88) and balanced (env 72, soc 74) (1).
- City Y strongest environmental (80) but lower economic/social (1).
- City Z best social (77) but weakest economic/env (1).
- City X mid economic/social, weaker env (1).
- Overall: City W leads; trade-offs seen (e.g., Y env>econ) (1). Marking: Compare across dimensions and cities.
Q9. [3 marks]
- Structure: 4 layers – emergent (45m), canopy (30m), understory (12m), ground (<2m) (1).
- Dense canopy with high biomass (1).
- Total mean biomass = 40+120+25+8 = 193 t/ha (1). Based on placeholder table values.
Q10. [4 marks]
- Proven reserves decline 120→95 Mt (1).
- Reason: depletion by extraction exceeding new discovery/upgrade (1); or reclassification to conditional as tech improves (1). Clear link (1). Marking: 2 for description, 2 for reason.
Q11. [3 marks]
- Nation P: solar 18% > Q 6%, more solar reliance (1).
- Nation Q: hydro 55% dominant vs P 22% (1).
- Q more hydro-centric, P more balanced solar+hydro (1).
Q12. [4 marks]
- Trade-off 1: Flood control vs displaced communities (2).
- Trade-off 2: Clean energy vs river ecosystem alteration / methane from reservoirs (2). Marking: 2 per trade-off with explanation.
Q13. [3 marks]
- Upstream dams reduce flow volume to downstream State C (1).
- Affects C's water supply/agriculture (1).
- No prior agreement → conflict (1). Based on map placeholder.
Q14. [2 marks]
- Limited extent: large firms dominate, community marginalised (1).
- But CSR, regulation can reduce impacts partially (1). Marking: Evaluative judgement required.
Section C Answers (18 marks)
Q15. [8 marks]
- Impact: Groundwater depth ↑ 20→52m (Resource 6) shows depletion (2).
- Wheat yield ↓ 3.1→2.2 t/ha (Resource 7) = unsustainability (2).
- Link: deeper water harder to extract, raising cost, reducing output (2).
- Strategy: drip irrigation / quota / recharge (2). Marking descriptors: Data use 4, linkage 2, strategy 2.
Q16. [6 marks]
- For: reduces waste, keeps materials in use (2).
- Against: needs tech/infrastructure lacking in industrialising states (2).
- Judgement: essential but partial without policy (2).
Q17. [4 marks]
- Indonesia loss 24% > Malaysia 16% > Vietnam 9% (2).
- Factor: e.g., palm oil expansion in Indo/Malay vs reforestation in VN (2). Marking: Compare 2, explain 2.
Total: 60 marks

