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Secondary 4 Geography Map Graph Data Skills Quiz

Free Sec 4 Geography Map Graph Data Skills quiz, HY3 Exam version, with questions, answers, and O Level-style practice for Singapore students.

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Secondary 4 Geography From Real Exams Generated by Tencent HY3 Free Updated 2026-08-17

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Answers

Secondary 4 Geography Quiz - Map Graph Data Skills (Answer Key)

Total Marks: 40
Duration: 60 minutes


Section A: Data Interpretation

Q1. [3 marks]
Pie chart of tourist arrivals:

  • Total = 820+340+210+90+140 = 1600 thousand
  • Asia: (820/1600)×360 = 184.5°
  • Europe: (340/1600)×360 = 76.5°
  • Americas: (210/1600)×360 = 47.25°
  • Africa: (90/1600)×360 = 20.25°
  • Oceania: (140/1600)×360 = 31.5° Marking: 1 mark angles correct, 1 mark title+legend, 1 mark neat plot.

Q2. [2 marks]
Angle Asia = (820 / 1600) × 360° = 184.5°
Working: 820÷1600=0.5125; ×360 = 184.5°.
1 mark for division, 1 mark for final angle.

Q3. [2 marks]
(i) District A (38%)
(ii) District E (33%)
Both above 30%. 1 mark each.

Q4. [3 marks]
Trend: Rainfall decreases from Jan (120mm) to Jul (30mm), then increases to Dec (170mm).
Bimodal/U-shaped.
1 mark overall description, 2 marks reference to low and high months.

Q5. [2 marks]
Rainfall peaks: Apr and Oct. Temp range: 24°C to 31°C. 1 mark each pair.

Q6. [2 marks]
Total = 15+40+30+15 = 100. Bus % = (40/100)×100 = 40%.
1 mark total, 1 mark percentage.

Q7. [3 marks]
Features: isolated sea stack ~20m high; wave-cut platform at base; cliff behind retreating.
1 mark landform ID, 2 marks features described.


Section B: Map and Graph Skills

Q8. [4 marks]

  • Restricted zone protects core (1)
  • Visitor centre limits access to core (1)
  • Boundary encloses river/forest (1)
  • Scale shows size managed (1)
    Marking descriptors as above.

Q9. [3 marks]
Bar graph: 5 bars (Coal 45, Gas 25, Solar 10, Hydro 12, Wind 8).
1 mark bars, 1 mark labels, 1 mark title.

Q10. [2 marks]
Coal (45%) + Gas (25%) = 70% > 50%. Answer: Coal and Gas.

Q11. [3 marks]
Type: Destructive.
(i) High steep waves (2m)
(ii) Strong backwash > swash, 12/min
1 mark type, 2 marks characteristics.

Q12. [2 marks]
Cleanest: C (5 items). Mean = (8+15+5+12)/4 = 10.
1 mark each.

Q13. [2 marks]
Circles: P largest (500k), Q medium (300k), R smallest (200k).
1 mark relative size, 1 mark legend.

Q14. [2 marks]
Increase 2000→2020 = 4.8-1.2 = 3.6 million over 20 years = 4 periods.
Per 5yr = 3.6/4 = 0.9 million. 1 mark calc, 1 mark answer.


Section C: Applied Data Skills

Q15. [3 marks]
Total 100%. Angles: Shower 126°, Tap 72°, WC 90°, Others 72°.
1 mark angles, 1 mark title, 1 mark plot.

Q16. [1 mark]
WC angle = 25% × 360 = 90°.

Q17. [5 marks]
Describe: elongated ridge of sand extending from coast, salt marsh behind. [2]
Formation: longshore drift moves sediment; deposited where coast changes direction; grows over time. [3]
Marking: description 2, process 3.

Q18. [2 marks]
(i) Near river bend (high)
(ii) Lowland south (high)
1 mark each from map.

Q19. [2 marks]
Never = 40/200 × 100 = 20%. 1 mark total, 1 mark %.

Q20. [3 marks]
Vegetation height decreases from 5m at coast to 0.5m inland over 500m.
1 mark trend, 2 marks values referenced.