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Secondary 4 Geography Map Graph Data Skills Quiz
Free Sec 4 Geography Map Graph Data Skills quiz, HY3 AI version, with questions, answers, and O Level-style practice for Singapore students.
These static practice materials are generated from the site's syllabus and paper-generation workflow, with source and model context shown so students and parents can evaluate the material before use.
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Answers
Secondary 4 Geography Quiz - Answer Key
Topic: Map Graph Data Skills
Level: Secondary 4
Total Marks: 40
Section A Answers (1–7)
Q1 [1 mark]
Total = 12 + 8 + 15 + 5 = 40 (thousand).
Teaching note: Add all column values. Answer: 40.
Q2 [1 mark]
South (15 thousand).
Teaching note: Highest bar/value in table.
Q3 [1 mark]
"Visitor Arrivals to Nature Park by Region" (or similar).
Teaching note: Title must state what data shows.
Q4 [1 mark]
National park (green eastern side) OR built-up area (grey west).
Teaching note: Land-use zones from description.
Q5 [2 marks]
Mean = (27+28+29+30+29) ÷ 5 = 143 ÷ 5 = 28.6°C.
Marking: 1 for sum, 1 for division/answer.
Teaching note: Mean = total ÷ count.
Q6 [1 mark]
Country A (larger) because 10bn; proportional symbols scale with value.
Teaching note: Bigger symbol = bigger value.
Q7 [1 mark]
Arrow pointing south (from north to south).
Teaching note: River flows N→S, arrow shows direction.
Section B Answers (8–14)
Q8 [3 marks]
Angle Air = (50/100) × 360° = 180°.
Pie: Air 180°, Rail 108°, Road 72°. Title + sectors.
Marking: 1 calc, 1 plot, 1 title/legend.
Teaching note: % × 3.6 = angle.
Q9 [1 mark]
Rail angle = (30/100) × 360 = 108°.
Teaching note: Same method as Q8.
Q10 [2 marks]
Temp high 26–31°C all year, little variation.
Marking: 1 range, 1 steady.
Teaching note: Read line on graph.
Q11 [2 marks]
Rainfall two peaks (Apr–May, Oct–Nov), low Jun–Sep, annual 2200mm.
Marking: 1 peaks, 1 low/ total.
Teaching note: Read bars.
Q12 [1 mark]
Destructive.
Teaching note: Backwash stronger = destructive.
Q13 [2 marks]
Wave A height 3.0m (high), backwash stronger than swash → erodes coast = destructive.
Marking: 1 height, 1 backwash evidence.
Teaching note: Link table to type.
Q14 [1 mark]
Core Zone (no entry) OR Visitor Centre (managed access).
Teaching note: Map feature aids conservation.
Section C Answers (15–20)
Q15 [2 marks]
Arrivals rose from 15.2m (2015) to 19.1m (2019), steady yearly increase (~25% growth).
Marking: 1 start/end, 1 trend.
Teaching note: Describe with numbers.
Q16 [1 mark]
Better air links / attractions (e.g., Gardens by Bay).
Teaching note: Reason matches trend.
Q17 [2 marks]
Isolated rock column; wave-cut platform at base.
Marking: 1 each.
Teaching note: Photo shows features.
Q18 [3 marks]
Headland eroded by hydraulic action/abrasion → arch forms → roof collapses → stack left.
Marking: 1 erosion, 1 arch, 1 collapse.
Teaching note: Process sequence.
Q19 [2 marks]
Covers area evenly; reduces bias vs random.
Marking: 1 even, 1 bias.
Teaching note: Systematic = fixed interval.
Q20 [1 mark]
Highest impact (5 = darkest shade).
Teaching note: Choropleth: high = dark.



