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O Level Geography Practice Paper 1
Free O Level Geography Practice Paper 1, HY3 AI version, with questions, answers, and O Level-style practice for Singapore students.
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Questions
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Answers
TuitionGoWhere Practice Paper Answer Key — Version 1
Subject: Geography O-Level
Topic: Map, Graph & Data Skills
Total Marks: 50
Section A Answers (16 marks)
Q1 [3]
Answer: Use a line graph or grouped bar chart with x-axis as months and y-axis as temperature (°C); plot four lines (one per station) or grouped bars; include legend A–D.
Teaching: One combined graph compares stations. Line graph shows trend; bar compares values. Must label axes, units, legend.
Mark breakdown: 1 for graph type, 1 for axes/labeling, 1 for legend/multiple stations.
Q2 [1]
Answer: March (1800).
Teaching: Highest value in table is March.
Q3 [1]
Answer: R (15 000).
Teaching: Smallest bar/value is R.
Q4 [2]
Answer: Bar chart; reason: compares discrete site values clearly.
Mark: 1 graph, 1 reason.
Q5 [1]
Answer: South (Y is below X on map; X north coast, Y centre).
Teaching: Map shows X at north, Y centre → Y is south of X.
Q6 [2]
Answer: Bar chart with two bars (Bridge, Tunnel) on x-axis, cars/hour on y-axis.
Mark: 1 type, 1 labeling.
Q7 [2]
Mean = (100+120+90+110+130+95)/6 = 645/6 = 107.5 mm.
Teaching: Sum ÷ count.
Q8 [1]
Answer: Cliff symbol (short ticks on contour or specific topo cliff symbol).
Teaching: Topo maps use symbol for cliffs.
Section B Answers (18 marks)
Q9 [2]
Range = max − min = 20 − 10 = 10 km/h.
Teaching: Range shows spread.
Q10 [2]
Mean = (10+15+12+18+20)/5 = 75/5 = 15 km/h.
Q11 [1]
Answer: City M (range 24–32 = 8 vs N = 0).
Q12 [2]
Answer: Temperature increases steadily from 24°C to 32°C over 12 hours.
Mark: 1 increase, 1 from-to values.
Q13 [3]
Method: Net = (10×2)+(5×1)+(10×−1)+(5×−2). Assign weights, multiply by freq, sum.
Mark: 1 weights, 1 multiply, 1 sum.
Q14 [2]
Net = 20+5−10−10 = 5.
Teaching: Positive score 25, negative 20, net 5.
Q15 [2]
Answer: Negative correlation – air quality improves (index lower) as distance increases.
Mark: 1 direction, 1 interpretation.
Section C Answers (16 marks)
Q16 [4]
Answer: Partially reliable. Strengths: systematic distances, clear variable. Weakness: only one day/time, weather/traffic variation ignored, no repeat. Counter: weekday 8am typical but not comprehensive.
Mark: 1 position, 2 evidence, 1 qualifier.
Q17 [5]
Answer: GIS overlays elevation, drainage, land use to show risk zones. Adv: visual, fast. Lim: needs data, cost.
Mark: 2 use, 1 adv, 1 lim, 1 clarity.
Q18 [2]
Answer: Gentle slopes (10–30m contours close), school on 20m mid-slope.
Mark: 1 relief, 1 site.
Q19 [2]
Answer: Pie chart can't show time change; only proportions at one time.
Mark: 1 problem, 1 explain.
Q20 [3]
Answer: Dual-axis graph: bars rainfall, line temp; justify comparison.
Mark: 1 type, 1 axes, 1 justify.
Total: 50 marks



