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A Level H2 Geography Practice Paper 4
Free A Level H2 Geography Practice Paper 4, HY3 Exam version, with questions, answers, and A Level-style practice for Singapore students.
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Answers
Answer Key - Geography H2 A-Level Practice Paper (Version 4)
Section A: Resources & Sustainability (50 marks)
Q1 [5]
Compare scores for Singapore, Kuala Lumpur, Jakarta, Manila.
- Singapore highest overall (83), leads in all dimensions (E82, Ec88, S79).
- Kuala Lumpur second (68), closest to Singapore in Economy (71).
- Jakarta (56) and Manila (53) lowest; Manila weakest in Environment (47).
- Gap between top and bottom ~30 points overall.
Marking: 1 mark per valid comparative point across cities/dimensions (max 5).
Q2 [3]
Typical Borneo rainforest: emergent layer ~45 m, continuous canopy at 30 m, sparse understory 10 m, ground layer; mean biomass 450 t/ha.
Marks: structure (1), layers described (1), biomass value (1).
Q3 [7]
Karst processes: limestone soluble; rain + CO₂ → H₂CO₃; dissolves CaCO₃ along joints; infiltration percolation; cave formation; sinkhole from collapse; spring at outlet. Climate: high rainfall accelerates.
Marks: rock type (1), chemical weathering eq (2), water movement (2), landforms (1), timescale/climate (1).
Q4 [4]
(a) Solar; limitation: intermittent, needs storage. (2)
(b) Hydropower; limitation: site-specific, ecological impact. (2)
Q5 [4]
(a) Proven: economically extractable at current price/tech. [1]
(b) Speculative: unknown feasibility, not for planning. [2]
(c) Total = 120+80+200+150 = 550 million tonnes [1]
Q6 [3]
Firm A +24%, B -2.4%, C +70%; C fastest growth, B declined.
Marks: each comparison 1.
Q7 [10]
Essay structured: solar potential reduces fossil dependence (env benefit), but limitations: land use, storage, grid (economic/social trade-offs). Extent: partial, not full replacement.
Descriptors: Knowledge 2, Analysis 4, Evaluation 4.
Q8 [4]
Conflict: Y dams reduce Z downstream flow. Strategy: bilateral water treaty / joint authority.
Marks: conflict (2), strategy (2).
Q9 [2]
(a) Provisioning: food, water. (b) Regulating: flood control, climate. 1 each.
Q10 [3]
→ → → → n = ln1.5/ln1.05 ≈ 8.3 years.
Marks: formula sub (1), solve (1), answer (1).
Section B (30 marks)
Q11 [4]
P ahead of Q in both; reason: higher investment in infrastructure. 2 compare, 2 reason.
Q12 [4]
Boserup: tech expands resource base as pop grows. Limitation: uneven access, not automatic. 2 each.
Q13 [3]
Renewable up 10→25%, non down 90→75%. Trade-off: intermittency vs emissions. 2+1.
Q14 [15]
Essay: Malthus absolute limit, Boserup tech override; distribution unevenness key.
Descriptors: AO1 3, AO2 6, AO3 6.
Q15 [2]
(a) Activity: deforestation. (b) Impact: loss of habitat/regulating service. 1 each.



