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Secondary 4 Geography Preliminary Examination Paper 3

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TuitionGoWhere Practice Paper - Geography Secondary 4 (Prelim)

TuitionGoWhere Secondary School (AI)

Subject: Geography
Level: Secondary 4
Paper: Preliminary Examination - Paper 1 (Version 3)
Duration: 1 hour 45 minutes
Total Marks: 60
Name: __________________________
Class: __________________________
Date: __________________________

Instructions to Candidates:

This paper consists of three sections: A, B, and C.
Answer all questions in Section A.
Answer two questions from Section B.
Answer one question from Section C.
All maps, photographs, and diagrams are provided in the Insert Booklet. Refer to them where indicated.
Write your answers in the spaces provided in this Question Paper.

Section A: Map, Graph and Data Skills (Compulsory)

Answer all questions in this section.

Study Figure 1 (Insert), which shows a topographic map extract of a coastal region in Southeast Asia, and Figure 2 (Insert), which shows climate data for Station X located within the map area.

1. Calculate the gradient of the slope between Point A (Grid Ref 123456) and Point B (Grid Ref 125458). Show your working. [3]

2. Describe the drainage pattern observed in the northern sector of the map extract (Grid Square 1040 to 1242). [2]

3. Using evidence from Figure 1, suggest two reasons why the settlement at Grid Ref 118445 is likely to be larger than the settlement at Grid Ref 132460. [4]

4. Study Figure 2 (Climate Graph for Station X). (a) State the annual range of temperature for Station X. [1] (b) Describe the rainfall distribution pattern throughout the year. [2]

5. Compare the climate of Station X with the typical Equatorial Climate. Identify one similarity and one difference, supporting your answer with data from Figure 2. [3]

Study Figure 3 (Insert), a scatter graph showing the relationship between Distance from City Centre and Land Value in a hypothetical city, and Figure 4 (Insert), a bar chart showing Population Density by Zone.

6. Describe the trend shown in Figure 3 regarding land value as distance from the city centre increases. [2]

7. Identify the anomaly in Figure 3 at approximately 8km from the city centre. Suggest one geographical reason for this anomaly. [3]

8. Using Figure 4, calculate the percentage increase in population density from Zone 2 (5,000 people/km²) to Zone 3 (7,500 people/km²). Show your working. [2]

Study Figure 5 (Insert), a photograph of a tourist site, and Table 1, which shows visitor statistics for the site from 2018 to 2023.

Table 1: Visitor Statistics for Site Y

Year	Total Visitors (millions)	% International Visitors	% Domestic Visitors
2018	2.0	60%	40%
2019	2.5	65%	35%
2020	0.5	20%	80%
2021	0.8	25%	75%
2022	1.8	55%	45%
2023	2.2	58%	42%

9. Calculate the number of international visitors (in millions) in 2019. Show your working. [2]

10. With reference to Table 1, describe the change in the proportion of domestic visitors between 2019 and 2020. [2]

11. Suggest two reasons for the sharp decline in total visitors in 2020, using your geographical knowledge. [2]

Study Figure 6 (Insert), a line graph showing Global Carbon Dioxide Emissions by Sector (1990–2020).

12. Identify the sector with the highest emissions in 2020. [1]

13. Describe the trend in emissions from the 'Transport' sector between 1990 and 2020. [2]

14. Calculate the percentage contribution of the 'Industry' sector to total global emissions in 2020, given that Total Emissions were 35 GtCO2 and Industry emitted 9.8 GtCO2. [2]

Study Figure 7 (Insert), a fieldwork sketch map of a river channel, and Table 2, which contains raw data collected by students.

Table 2: River Channel Data

Site	Width (m)	Depth (m)	Velocity (m/s)
1	2.0	0.5	0.4
2	3.5	0.8	0.7
3	5.0	1.2	1.1

15. Calculate the cross-sectional area of the river at Site 2. Assume the channel is rectangular. Show your working. [2]

16. Calculate the discharge of the river at Site 3. Show your working. [2]

17. Describe the relationship between river width and velocity as shown in Table 2. [2]

Study Figure 8 (Insert), a pie chart showing Energy Sources in Country Z in 2023.

Coal: 40%
Natural Gas: 30%
Hydroelectric: 20%
Solar/Wind: 10%

18. Calculate the angle (in degrees) required to represent 'Hydroelectric' power on the pie chart. Show your working. [2]

19. Evaluate the sustainability of Country Z’s energy mix based on Figure 8. Provide one argument for and one argument against its sustainability. [4]

20. Study the rose diagram in Figure 9 (Insert) showing wind direction frequency. State the prevailing wind direction. [1]

Section B: Physical Geography

Answer two questions from this section.

21. (a) With the aid of a diagram, explain the formation of a stack. [4] (b) "Coastal erosion is a greater threat than coastal deposition." To what extent do you agree with this statement? Use examples to support your answer. [8]

22. (a) Explain how latitude affects the temperature of a place. [4] (b) Discuss the impacts of climate change on agricultural production in tropical regions. [8]

23. (a) Describe the processes of hydraulic action and abrasion. [4] (b) "Hard engineering strategies are the most effective way to manage coastal flooding." Do you agree? Explain your answer. [8]

Section C: Human Geography

Answer one question from this section.

24. (a) Explain two factors that attract tourists to a specific destination. [4] (b) Evaluate the economic benefits and social costs of tourism development in a named city. [8]

25. (a) Describe the characteristics of a Central Business District (CBD). [4] (b) "Urban renewal is necessary for the sustainable development of cities." Discuss this statement with reference to a named city. [8]

Answers

TuitionGoWhere Practice Paper - Geography Secondary 4 (Prelim) - Answer Key

Version 3

Section A: Map, Graph and Data Skills

1. Gradient Calculation

Answer:
- Horizontal Distance: From Grid 123 to 125 is 2 grid squares. Assuming 1 grid square = 1 km (standard for 1:25,000 or 1:50,000 maps unless specified, but usually 1cm=1km or similar. Let's assume standard 1 grid unit = 1000m for calculation ease in exam context or use Pythagoras if diagonal).
- Correction for precision: Point A (123456) to B (125458). Easting change = 2 units. Northing change = 2 units.
- Horizontal Distance (HD) = $\sqrt{2^2 + 2^2} = \sqrt{8} \approx 2.83$ units. If 1 unit = 1 km, HD = 2.83 km = 2830 m.
- Vertical Interval (VI): Requires contour lines from Figure 1. Assumption for Answer Key: Contour at A is 50m, Contour at B is 150m. VI = 100m.
- Gradient = VI / HD = $100 / 2830$ .
- Simplify: $1 / 28.3$ .
- Marking: 1 mark for correct VI, 1 mark for correct HD calculation, 1 mark for final ratio/expression.
Teaching Note: Gradient is always Vertical Interval divided by Horizontal Distance. Ensure units match (both in meters).

2. Drainage Pattern

Answer: The drainage pattern is dendritic (tree-like). [1] The streams join at acute angles and follow the slope of the land without structural control. [1]
Teaching Note: Look for branching patterns. Dendritic is common in areas with uniform rock resistance.

3. Settlement Size Reasons

Answer:
1. Accessibility/Transport: The settlement at 118445 is located at a road junction or near a main road, whereas 132460 is on a minor track. [2]
2. Topography/Land Use: The settlement at 118445 is on flatter land (fewer contour lines), allowing for easier expansion and agriculture, while 132460 is on steeper slopes. [2]
Teaching Note: Always link map evidence (symbols, contours) to human geography concepts (access, buildability).

4. Climate Graph Analysis

(a) Annual Range: Max Temp (e.g., 28°C) - Min Temp (e.g., 25°C) = 3°C. [1]
(b) Rainfall Distribution: Rainfall is high throughout the year (over 150mm/month). [1] There is a slight peak in the months of [Insert Months from Graph, e.g., Nov-Jan] and a relative minimum in [e.g., Jun-Aug], but no distinct dry season. [1]

5. Climate Comparison

Answer:
- Similarity: Both have high annual temperatures (above 25°C) and high total annual rainfall. [1]
- Difference: Station X has a more pronounced seasonal variation in rainfall (monsoon influence) compared to the uniform rainfall of a typical Equatorial climate. [1] OR Station X has a slightly lower annual mean temperature. [1]
Teaching Note: Equatorial climate is characterized by convectional rain daily. Monsoon climates have wet/dry seasons.

6. Land Value Trend

Answer: Land value decreases rapidly as distance from the city centre increases from 0 to 4 km. [1] Beyond 4 km, the decrease becomes more gradual/levels off. [1]

7. Anomaly Explanation

Answer:
- Anomaly: At 8km, land value is higher than the surrounding areas/trend line. [1]
- Reason: This could be a sub-centre or a node of high accessibility (e.g., near a highway interchange or MRT station). [1] It may also be an area of high amenity value (e.g., near a lake or park). [1]

8. Percentage Increase Calculation

Answer:
- Increase = $7,500 - 5,000 = 2,500$ .
- Percentage Increase = $(2,500 / 5,000) \times 100\%$ .
- Calculation: $0.5 \times 100\% = \mathbf{50\%}$ . [2]
Teaching Note: Formula is $\frac{\text{New} - \text{Old}}{\text{Old}} \times 100$ .

9. International Visitors Calculation

Answer:
- Total Visitors 2019 = 2.5 million.
- % International = 65%.
- Calculation: $2.5 \times 0.65 = \mathbf{1.625 \text{ million}}$ . [2]

10. Change in Domestic Proportion

Answer: The proportion of domestic visitors increased significantly from 35% in 2019 to 80% in 2020. [1] This represents a shift in the market source from international to local. [1]

11. Reasons for Decline

Answer:
1. Global Pandemic (COVID-19): Travel restrictions and border closures prevented international travel. [1]
2. Health Concerns: Fear of infection reduced willingness to visit crowded tourist sites. [1]

12. Highest Emission Sector

Answer: Energy Production (or Power Generation, depending on Figure 6 label). [1] Note: Usually Energy/Power is the largest globally.

13. Transport Trend

Answer: Emissions from Transport have shown a steady/consistent increase from 1990 to 2020. [1] The rate of increase may have slowed slightly in recent years but the overall trend is upward. [1]

14. Industry Percentage Contribution

Answer:
- Total = 35 GtCO2. Industry = 9.8 GtCO2.
- Calculation: $(9.8 / 35) \times 100\%$ .
- $9.8 / 35 = 0.28$ .
- Answer: 28%. [2]

15. Cross-Sectional Area (Site 2)

Answer:
- Formula: $\text{Width} \times \text{Depth}$ .
- Calculation: $3.5 \text{ m} \times 0.8 \text{ m} = \mathbf{2.8 \text{ m}^2}$ . [2]

16. Discharge (Site 3)

Answer:
- Formula: $\text{Cross-Sectional Area} \times \text{Velocity}$ .
- Area at Site 3: $5.0 \text{ m} \times 1.2 \text{ m} = 6.0 \text{ m}^2$ .
- Discharge: $6.0 \text{ m}^2 \times 1.1 \text{ m/s} = \mathbf{6.6 \text{ m}^3/\text{s}}$ (cumecs). [2]

17. Width-Velocity Relationship

Answer: As river width increases (from 2.0m to 5.0m), velocity also increases (from 0.4 m/s to 1.1 m/s). [1] This suggests a positive correlation, likely due to reduced friction relative to volume in downstream sections. [1]

18. Pie Chart Angle

Answer:
- Hydroelectric = 20%.
- Calculation: $20\% \times 360^\circ$ .
- $0.2 \times 360 = \mathbf{72^\circ}$ . [2]

19. Sustainability Evaluation

Answer:
- For Sustainability: 30% of energy comes from renewable sources (Hydro + Solar/Wind), which reduces carbon footprint. [2]
- Against Sustainability: 70% comes from fossil fuels (Coal + Gas), which are non-renewable and contribute significantly to greenhouse gas emissions and air pollution. [2]

20. Prevailing Wind

Answer: The prevailing wind direction is the direction with the longest bar/spoke on the rose diagram. (e.g., South-West). [1]

Section B: Physical Geography

21. Coastal Landforms & Management

(a) Formation of a Stack:
- Step 1: Weakness in headland (fault/crack) is attacked by hydraulic action and abrasion. [1]
- Step 2: A cave forms and enlarges. [1]
- Step 3: The cave breaks through the headland to form an arch. [1]
- Step 4: The arch roof collapses due to weathering/gravity, leaving a stack. [1]
(b) Erosion vs Deposition Threat:
- Agree (Erosion is greater): Loss of land/property (e.g., Holderness Coast, UK); threat to infrastructure; high cost of hard engineering. [4]
- Disagree (Deposition is manageable/beneficial): Creates new land (tourism/agriculture); natural defense (beaches absorb wave energy); easier to manage via soft engineering. [4]
- Conclusion: Depends on location. Erosion is an immediate threat to life/property, while deposition is often a slow, beneficial process. [2] Note: Marks awarded for balanced argument and examples.

22. Climate & Agriculture

(a) Latitude and Temperature:
- Lower latitudes (near Equator) receive more direct/intense solar radiation year-round. [2]
- Higher latitudes receive slanted rays spread over a larger area, resulting in lower temperatures. [2]
(b) Climate Change Impacts on Agriculture:
- Negative: Increased frequency of extreme weather (droughts/floods) destroys crops. [2] Shift in growing seasons/zones makes traditional crops unviable. [2]
- Positive (Limited): Longer growing seasons in higher latitudes (e.g., Canada/Russia). [2]
- Evaluation: Overall negative for tropical regions due to heat stress and water scarcity. [2]

23. Coastal Processes & Management

(a) Hydraulic Action & Abrasion:
- Hydraulic Action: Force of water compressing air in cracks, causing rock to break apart. [2]
- Abrasion: Rocks/sediment carried by waves scrape against the cliff face, wearing it away like sandpaper. [2]
(b) Hard Engineering Effectiveness:
- Agree: Sea walls/groynes provide immediate, strong protection for high-value land. [3]
- Disagree: High cost; unsightly; disrupts natural sediment transport causing erosion elsewhere (terminal groyne syndrome). [3]
- Alternative: Soft engineering (beach nourishment) is more sustainable and natural. [2]

Section C: Human Geography

24. Tourism

(a) Factors Attracting Tourists:
- Natural Attractions: Unique landscapes (e.g., Grand Canyon, beaches). [2]
- Cultural/Historical Attractions: Heritage sites, museums, local cuisine (e.g., Kyoto, Rome). [2]
(b) Benefits and Costs:
- Economic Benefits: Job creation (hotels, guides); foreign exchange earnings; infrastructure development. [4]
- Social Costs: Overcrowding; loss of local culture/commodification; increased cost of living for locals; crime. [4]
- Evaluation: Tourism is beneficial if managed sustainably (carrying capacity limits). [2]

25. Urban Renewal

(a) CBD Characteristics:
- High land values/buildings (vertical growth). [2]
- Concentration of retail, office, and commercial functions; high accessibility/transport hubs. [2]
(b) Necessity of Urban Renewal:
- Yes: Prevents urban decay/slums; improves living standards (sanitation, housing); revitalizes economy (e.g., Singapore's HDB upgrading, London Docklands). [4]
- No/Critique: Can lead to gentrification/displacement of low-income residents; loss of heritage character. [4]
- Conclusion: Necessary for sustainability but must include social safeguards. [2]