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Secondary 2 Geography Map Graph Data Skills Quiz

Free Sec 2 Geography Map Graph Data Skills quiz, HY3 Exam version, with questions, answers, and syllabus-aligned practice for Singapore students.

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Secondary 2 Geography From Real Exams Generated by Tencent HY3 Free Updated 2026-08-17
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Answers

Secondary 2 Geography Quiz - Answer Key

Topic: Map Graph Data Skills
Total Marks: 40

Section A: Map Skills

1. 2303 (1 mark)

  • Teaching note: Four-figure grid reference is read by taking the easting (horizontal line on the left of the feature) first, then the northing (vertical line below the feature). The school is between easting 02 and 03, and northing 03 and 04, so 2303.
  • Common mistake: Writing northing first (0323) or using only two digits.

2. 4102 (1 mark)

  • Teaching note: Reservoir is between easting 04–05 and northing 01–02. Easting first → 41, northing → 02, so 4102.

3. The student reversed easting and northing OR the numbers do not match the hospital's square. (1 mark)

  • Teaching note: Hospital is in easting 03–04, northing 02–03, so correct is 3302. Answer 3204 swaps the order and uses wrong digits.
  • Marking: 1 mark for identifying reversal or wrong square.

4. 242303 (2 marks)

  • Working: Base square 2403. Two-tenths east → add 2 to easting tenths: 240 + 2 = 242. Three-tenths north → add 3 to northing tenths: 303. So 242303.
  • Teaching note: Six-figure splits each grid square into 10 parts. First three digits = easting (24 + 2), last three = northing (30 + 3).
  • Marking: 1 mark for easting 242, 1 mark for northing 303.

5. Relative position on a map / grid location / distance from other features (1 mark)

  • Teaching note: Grid references show exact map position using coordinates, useful where street names are absent.

Section B: Photograph & Visual Interpretation

6. Makeshift structures / corrugated metal roofs / dense layout (1 mark)

  • Teaching note: Squatter housing uses informal, self-built materials.

7. (2 marks)

  • Because they are informal and unplanned (1), authorities may not provide pipes, sewage, or electricity (1).
  • Teaching note: Squatter settlements are built without official permission, so basic services are lacking.

8. Rooftop garden / solar panels / green spaces (1 mark)

9. (3 marks)

  • Rooftop gardens absorb rainwater (1), reduce heat (1), provide greenery that improves air (1).
  • Teaching note: Sustainable features reduce environmental impact.

10. (2 marks)

  • A: informal self-built; B: formal high-rise public housing (1+1).
  • Marking: 1 for each correct contrast.

Section C: Graph & Data Interpretation

11. 85,000 (or 85 thousand) (1 mark)

12. (2 marks)

  • Population increased overall from 40k to 115k (1). Rise was steady, fastest between 2005–2010 (1).

13. (2 marks)

  • Working: Increase = 115 − 40 = 75. % = (75/40) × 100 = 187.5%.
  • Answer: 187.5% (1 for working, 1 for answer)

14. 3/10 (1 mark)

  • Teaching note: 30% = 30/100 = 3/10.

15. April (1 mark)

16. (2 marks)

  • Rainfall fell from 200 mm (Jan) to 90 mm (Apr) (1). Steady decline over 4 months (1).

17. (2 marks)

  • Working: 68 − 35 = 33 percentage points.
  • Answer: +33% (1 working, 1 answer)

18. (3 marks)

  • Drivers pay to enter congested zone (1). This discourages unnecessary trips (1). Less traffic, faster flow (1).
  • Teaching note: Pricing changes behaviour via cost.

19. (2 marks)

  • Positive correlation (1): as temperature rises, electricity use increases (1).

20. (2 marks)

  • Location P (1) because more pedestrians = better sample (1).
  • Teaching note: Busy areas give representative data.