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O Level Geography Practice Paper 5

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TuitionGoWhere Exam Practice (AI) - Geography O-Level

Practice Paper - Version 5

Subject: Geography (2279)
Level: O-Level
Paper: Practice Paper (Map, Graph & Data Skills Focus)
Duration: 1 hour 15 minutes
Total Marks: 50

Name: __________________________
Class: __________________________
Date: __________________________

Instructions to Candidates

Write your Name, Class, and Date in the spaces provided above.
Answer all questions.
Write your answers in the spaces provided on this question paper.
You may use a calculator for calculations.
The number of marks is given in brackets [ ] at the end of each question or part question.
Sketch maps and diagrams should be drawn whenever they serve to clarify an answer.

Section A: Data Representation and Processing

Answer all questions in this section.

1. A group of students conducted a fieldwork investigation into the quality of the environment at three different sites along a river: Site A (Upper Course), Site B (Middle Course), and Site C (Lower Course). They used an Environmental Quality Survey (EQS) to score each site.

The results are shown in Table 1.

Table 1: Environmental Quality Survey Scores

Indicator	Site A (Upper)	Site B (Middle)	Site C (Lower)
Litter Presence	+2	0	-2
Water Clarity	+3	+1	-1
Vegetation Cover	+2	+2	0
Noise Levels	+3	+1	-2
Total Score	+10	+4	-5

(a) Suggest how the Total Scores for the three locations could be shown on one graph. [3]

Answer space

(b) Describe one advantage of using the graph type suggested in (a) for this data. [1]

Answer space

2. The same students measured the width of the river at five different points across the channel at Site B. The measurements (in meters) were: 4.2, 4.5, 4.1, 4.6, and 4.3.

(a) Calculate the mean width of the river at Site B. Show your working. [2]

Answer space

(b) The students also measured the depth at the center of the channel. Explain why taking multiple depth readings across the channel is more reliable than taking a single reading at the center. [2]

Answer space

3. In a separate study on tourism, students surveyed 50 tourists to determine their satisfaction with local transport. They used a Likert scale.

Table 2: Tourist Satisfaction with Transport

Response	Frequency	Weighting
Very Satisfied	10	+2
Satisfied	20	+1
Neutral	5	0
Dissatisfied	10	-1
Very Dissatisfied	5	-2

(a) Describe how the students could calculate the weighted satisfaction score for transport. [2]

Answer space

(b) Calculate the total weighted score for the transport survey using the data in Table 2. Show your working. [2]

Answer space

Section B: Graph and Map Interpretation

Answer all questions in this section.

4. Study Figure 1, which shows the monthly rainfall and temperature data for a tropical rainforest climate station.

(Note: Imagine a Climate Graph where Temperature is a line graph approx 27°C constant, and Rainfall is bar charts varying between 150mm and 300mm).

(a) Describe the temperature pattern shown in Figure 1. [2]

Answer space

(b) Identify the month with the highest rainfall and state the approximate amount. [1]

Answer space

5. Study Figure 2, a map extract of a coastal area showing contour lines and land use.

Image pending generation for this question.

(a) Describe the relief of the area marked 'X' on the west side of the map. Refer to specific contour evidence. [3]

Answer space

(b) Using evidence from the map, suggest why the hotel was built in location 'Y' rather than location 'X'. [2]

Answer space

6. Study Figure 3, a scatter graph showing the relationship between distance from the Central Business District (CBD) and land value in a city.

(Note: Imagine a scatter graph with Distance from CBD on x-axis (0-10km) and Land Value on y-axis ( $0-$ 10,000/sqm). The points show a strong negative correlation).

(a) Describe the relationship shown in Figure 3. [2]

Answer space

(b) Identify one anomaly (outlier) on the graph and suggest a geographical reason for its existence. [2]

Answer space

Section C: Fieldwork Methodology and Data Evaluation

Answer all questions in this section.

7. Students investigated the impact of urban regeneration on pedestrian footfall. They counted the number of pedestrians passing a specific point for 5 minutes every hour from 08:00 to 18:00.

(a) Identify the sampling method used by the students. [1]

Answer space

(b) Explain one advantage of this sampling method for this specific investigation. [2]

Answer space

(c) The students realized that it rained heavily between 14:00 and 15:00. Evaluate how this weather event affects the reliability of their data. [3]

Answer space

8. To measure river velocity, students used the float method. They marked a 10-meter stretch of the river and timed how long it took for an orange to travel that distance. They repeated this three times.

Table 3: River Velocity Measurements

Trial	Time (seconds)
1	8.0
2	8.5
3	25.0

(a) Calculate the mean time taken for the orange to travel 10 meters. You must decide how to handle the anomalous result. Show your working. [3]

Answer space

(b) Justify your decision regarding the anomalous result in (a). [2]

Answer space

9. A student presented data on air quality using a pie chart. The data showed PM2.5 levels recorded every hour for 24 hours.

(a) Critique the student's choice of a pie chart for this data. [2]

Answer space

(b) Suggest a more appropriate graphical representation for this data and explain why. [2]

Answer space

10. In a survey about noise pollution, students asked residents to rate noise levels on a scale of 1-10.

(a) Distinguish between quantitative and qualitative data, giving an example of each from this noise pollution study. [4]

Answer space

(b) Explain why quantitative data is often preferred for statistical analysis in geographical inquiries. [2]

Answer space

Section D: Synthesis and Advanced Analysis

Answer all questions in this section.

11. Study Figure 4, which shows the annual carbon dioxide emissions of three countries (A, B, and C) from 2000 to 2020.

Country A: Steady increase from 100 to 150 million tonnes.
Country B: Sharp decrease from 200 to 120 million tonnes.
Country C: Fluctuating around 50 million tonnes.

(a) Compare the trends in CO2 emissions for Country A and Country B. [3]

Answer space

(b) Suggest two possible reasons for the trend observed in Country B. [2]

Answer space

12. Students are planning an investigation into the "heat island effect" in their city. They plan to measure temperature at 10 different sites.

(a) List three variables they must control to ensure their data is valid. [3]

Answer space

(b) Explain why taking measurements at the same time of day is crucial for this investigation. [2]

Answer space

13. A group of students used secondary data from the National Statistics Department to analyze population growth.

(a) State one advantage and one disadvantage of using secondary data compared to primary data collection. [4]

Answer space

14. Look at the following hypothesis: "Tourist numbers are higher in areas with better environmental quality."

(a) Describe the type of graph you would draw to test this hypothesis if you had data for 20 different locations. [2]

Answer space

(b) What pattern in the graph would support this hypothesis? [1]

Answer space

15. Students collected data on soil infiltration rates using a simple infiltrometer (a tube pushed into the ground).

(a) Explain one limitation of using a simple infiltrometer in rocky soil. [2]

Answer space

(b) How could the students modify their method to overcome this limitation? [2]

Answer space

16. Study Table 4, showing the number of visitors to a national park by season.

Season	Visitors (thousands)
Spring	45
Summer	120
Autumn	60
Winter	15

(a) Calculate the percentage of total annual visitors that came in Summer. Show your working. [3]

Answer space

(b) Suggest why there is such a large difference between Summer and Winter visitor numbers. [2]

Answer space

17. A student claims that "The median is a better average than the mean for housing price data."

(a) Explain why the median might be more appropriate than the mean for housing prices. [3]

Answer space

18. In a fieldwork report, a student included a photograph of a polluted beach.

(a) Explain how annotating the photograph adds value to the data presentation. [2]

Answer space

(b) Identify one ethical consideration when taking and publishing photographs of people during fieldwork. [1]

Answer space

19. Students used a GIS (Geographic Information System) to overlay flood risk maps with population density maps.

(a) Explain the benefit of using GIS overlay techniques for disaster planning. [3]

Answer space

20. Review the entire data collection process for a geographical inquiry.

(a) Evaluate the importance of pilot studies (pre-testing) before the main data collection. [4]

Answer space

END OF PAPER

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Answers

TuitionGoWhere Exam Practice (AI) - Geography O-Level

Practice Paper - Version 5 - Answer Key & Marking Scheme

Subject: Geography (2279)
Level: O-Level
Total Marks: 50

Section A: Data Representation and Processing

1. (a) Suggest how the Total Scores for the three locations could be shown on one graph. [3]

Mark 1: Suggests a Bar Chart (or Column Graph).
Mark 2: Specifies that the x-axis should represent the Sites/Locations (Site A, B, C).
Mark 3: Specifies that the y-axis should represent the Total EQS Score (with positive and negative values clearly indicated/zero line marked).
- Note: Line graph is acceptable if justified as showing a trend along the river course, but Bar Chart is standard for categorical site comparison.

1. (b) Describe one advantage of using the graph type suggested in (a). [1]

Allows for easy visual comparison of the environmental quality between the three distinct sites.
OR: Clearly shows the difference between positive (good) and negative (poor) scores.

2. (a) Calculate the mean width of the river at Site B. [2]

Working: $(4.2 + 4.5 + 4.1 + 4.6 + 4.3) \div 5$
Sum = $21.7$
Mean = $21.7 \div 5 = 4.34$
Answer: 4.34 m
- 1 mark for correct sum/working, 1 mark for correct final answer with units.

2. (b) Explain why taking multiple depth readings is more reliable. [2]

Mark 1: River beds are uneven/irregular; a single reading may hit a rock or deep pool (anomaly).
Mark 2: Multiple readings allow for the calculation of a mean, which smooths out irregularities and provides a more representative/accurate average depth.

3. (a) Describe how to calculate the weighted satisfaction score. [2]

Mark 1: Multiply the frequency of each response by its assigned weighting (e.g., $10 \times 2$ ).
Mark 2: Sum (add up) all the weighted values to get the total score. (Or sum positive and negative separately then find the net).

3. (b) Calculate the total weighted score. [2]

Working:
- Very Satisfied: $10 \times 2 = +20$
- Satisfied: $20 \times 1 = +20$
- Neutral: $5 \times 0 = 0$
- Dissatisfied: $10 \times -1 = -10$
- Very Dissatisfied: $5 \times -2 = -10$
- Total: $20 + 20 + 0 - 10 - 10 = 20$
Answer: +20
- 1 mark for correct working/process, 1 mark for correct final answer.

Section B: Graph and Map Interpretation

4. (a) Describe the temperature pattern. [2]

Mark 1: Temperature is high throughout the year (approx. 27°C).
Mark 2: There is little variation / it is constant / stable throughout the year (low annual range).

4. (b) Identify month with highest rainfall and amount. [1]

Depends on the specific imaginary figure, but acceptable answer format: [Month], approx. [300] mm.
- Award mark if consistent with the described figure.

4. (c) Explain why line graph for temp and bars for rainfall. [2]

Mark 1: Temperature is a continuous variable/change over time, so a line shows the trend/flow.
Mark 2: Rainfall is discrete/accumulated per month, so bars show the total amount for each distinct period clearly without implying continuity between months.

5. (a) Describe the relief of area 'X'. [3]

Mark 1: Steep slope / Cliff.
Mark 2: Contour lines are very close together / touching.
Mark 3: Reference to height change (e.g., contours rise rapidly from sea level to X meters over a short distance).

5. (b) Suggest why hotel built at 'Y' not 'X'. [2]

Mark 1: Area 'Y' is flat (contours are spaced out), making construction easier/cheaper.
Mark 2: Area 'X' is steep/dangerous/unstable, or 'Y' has better access/amenities shown on map.

6. (a) Describe the relationship in Figure 3. [2]

Mark 1: Negative correlation / Inverse relationship.
Mark 2: As distance from CBD increases, land value decreases.

6. (b) Identify anomaly and suggest reason. [2]

Mark 1: Identifies a point that is far from the trend line (e.g., high land value far from CBD).
Mark 2: Reason: Presence of a sub-center / shopping mall / transport hub / scenic view which increases land value despite distance.

Section C: Fieldwork Methodology and Data Evaluation

7. (a) Identify the sampling method. [1]

Systematic Sampling (every hour).

7. (b) Explain one advantage. [2]

Mark 1: It is unbiased / objective (researcher doesn't choose who to count).
Mark 2: It captures changes throughout the day (temporal variation) rather than just one busy/quiet period.

7. (c) Evaluate effect of rain on reliability. [3]

Mark 1: Rain is an external variable that temporarily reduces footfall.
Mark 2: The data for 14:00-15:00 is not representative of typical conditions (anomaly).
Mark 3: This reduces reliability because the sample for that hour is skewed; however, if acknowledged/excluded in analysis, the overall study remains valid. Or: It makes the data unreliable for that specific time slot unless weather is noted as a limiting factor.

8. (a) Calculate mean time handling anomaly. [3]

Decision: Exclude Trial 3 (25.0s) as it is an anomaly/outlier.
Working: $(8.0 + 8.5) \div 2 = 16.5 \div 2 = 8.25$ seconds.
Answer: 8.25 seconds.
- 1 mark for identifying/excluding anomaly, 1 mark for working, 1 mark for answer.

8. (b) Justify decision. [2]

Mark 1: 25.0s is significantly different from the other two results (8.0 and 8.5).
Mark 2: Likely caused by the float getting stuck/hitting an obstacle, not representative of true velocity. Including it would skew the mean significantly.

8. (c) Suggest equipment improvement. [1]

Use a flowmeter / digital velocity probe instead of a float/orange.

9. (a) Critique use of pie chart. [2]

Mark 1: Pie charts are for showing parts of a whole (percentages/composition).
Mark 2: Hourly PM2.5 levels are time-series data / continuous changes, not parts of a single total. A pie chart cannot show trends over time.

9. (b) Suggest appropriate graph. [2]

Mark 1: Line Graph (or Bar Chart).
Mark 2: Because it effectively shows changes/trends in data over a continuous period (time).

10. (a) Distinguish quantitative and qualitative with examples. [4]

Quantitative: Numerical data. Example: The rating score (1-10) or decibel level measured by a meter. [2 marks: 1 for def, 1 for ex]
Qualitative: Descriptive/non-numerical data. Example: Written comments from residents about how the noise makes them feel (e.g., "annoying", "stressful"). [2 marks: 1 for def, 1 for ex]

10. (b) Why quantitative preferred for statistical analysis? [2]

Easier to calculate averages (mean, median), identify trends, and perform statistical tests (e.g., correlation). It is objective and comparable.

Section D: Synthesis and Advanced Analysis

11. (a) Compare trends for Country A and B. [3]

Mark 1: Country A shows a steady increase in emissions.
Mark 2: Country B shows a significant decrease in emissions.
Mark 3: Direct comparison: While A's emissions grew by 50%, B's emissions dropped by 40% (or similar comparative statement).

11. (b) Suggest two reasons for Country B's trend. [2]

Any two valid reasons: Shift to renewable energy, deindustrialization, strict government environmental laws, economic recession, carbon tax.

12. (a) List three control variables. [3]

Any three: Time of day, height of thermometer above ground, type of thermometer, weather conditions (sunny/cloudy), duration of measurement.

12. (b) Why same time of day? [2]

Temperature varies naturally throughout the day (diurnal range). Measuring at different times would introduce time as a confounding variable, making it impossible to tell if differences are due to location (urban/rural) or time.

13. (a) Advantage and Disadvantage of secondary data. [4]

Advantage (2): Saves time and cost; allows access to large-scale/long-term data sets that a student couldn't collect alone.
Disadvantage (2): Data may be outdated; methodology of original collection may be unknown or incompatible with current aims; may not be specific enough for the local study area.

14. (a) Graph type to test hypothesis. [2]

Scatter Graph.
X-axis: Environmental Quality Score; Y-axis: Tourist Numbers.

14. (b) Pattern supporting hypothesis. [1]

Positive correlation (points trend upwards from left to right).

15. (a) Limitation of infiltrometer in rocky soil. [2]

Mark 1: The tube cannot be pushed into the ground / creates gaps around the edge.
Mark 2: Water leaks out the sides rather than infiltrating, giving a falsely high infiltration rate / measurement is impossible.

15. (b) Modification. [2]

Use a sealed ring with clay/sealant around the edge to prevent leakage. OR: Use a different method like measuring surface runoff volume instead.

16. (a) Calculate percentage for Summer. [3]

Working:
- Total Visitors = $45 + 120 + 60 + 15 = 240$ thousand.
- Summer % = $(120 / 240) \times 100$ .
- $0.5 \times 100 = 50\%$ .
Answer: 50%

16. (b) Suggest reason for difference. [2]

Summer has school holidays / better weather for outdoor activities. Winter is cold/unpleasant for park visits.

17. (a) Why median better for housing prices? [3]

Mark 1: Housing price data often has extreme outliers (very expensive mansions).
Mark 2: The mean is skewed/pulled up by these high values.
Mark 3: The median represents the middle value and is not affected by extremes, giving a more typical/representative price.

18. (a) Value of annotating photographs. [2]

Mark 1: Highlights specific features/evidence relevant to the inquiry (e.g., arrows pointing to litter).
Mark 2: Provides context/explanation that the image alone might not convey, linking visual data to geographical concepts.

18. (b) Ethical consideration. [1]

Must obtain consent/permission from people before photographing them. OR: Blur faces to protect anonymity/privacy.

19. (a) Benefit of GIS overlay. [3]

Mark 1: Allows identification of areas where high risk and high population overlap.
Mark 2: Helps planners prioritize resources/evacuation routes for the most vulnerable areas.
Mark 3: Enables complex spatial analysis that is difficult to do with paper maps.

20. (a) Evaluate importance of pilot studies. [4]

Level 1 (1-2 marks): States that pilot studies help find mistakes.
Level 2 (3-4 marks): Detailed evaluation.
- Pilot studies allow students to test equipment and methods on a small scale.
- They help identify ambiguous questions in surveys or practical issues (e.g., site access).
- This allows for refinement of the methodology before the main investigation, saving time and ensuring the primary data collected is valid and reliable.
- Without a pilot, students risk collecting useless data that cannot answer the hypothesis.