Lesson 3.1.2.5

3.1.2.5 Hot deserts: quantitative and qualitative skills Quiz: AQA Geography, Unit 1

20 questions

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Lesson 3.1.2.5, Hot deserts: quantitative and qualitative skills: 20 multiple choice questions for the AQA Geography (7037), Unit 1: Physical geography, written with Revision Ninja.

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The 20 questions

  1. Which variable must be measured directly to assess aeolian sand transport rates?

    • Soil pH
    • Wind speed
    • Surface slope
    • Air humidity
  2. Which average is best for describing a skewed sand grain size distribution?

    • Variance
    • Mean
    • Median
    • Mode
  3. Which technique is best for measuring the changing spatial extent of desert landforms?

    • Satellite GIS mapping
    • Soil coring
    • Field quadrat sampling
    • Piezometer monitoring
  4. What does a Spearman's rank correlation coefficient of +0.78 indicate between two variables?

    • Strong positive correlation
    • Weak positive correlation
    • No correlation
    • Strong negative correlation
  5. Which graph best displays the relationship between paired measurements of wind speed and sediment transport?

    • Histogram
    • Divided bar chart
    • Scatter graph
    • Pie chart
  6. Which sampling strategy best eliminates investigator bias when measuring sand dune heights?

    • Subjective sampling
    • Systematic sampling
    • Opportunistic sampling
    • Pragmatic sampling
  7. Which statistical test compares the frequency of sand grains across size categories between two sites?

    • Chi-squared test
    • Spearman's rank test
    • Mann-Whitney U test
    • Student's t-test
  8. What is the main source of methodology error when monitoring sand deposition over time?

    • Increasing sample size
    • Inconsistent sample locations
    • Calibrating equipment
    • Using metric units
  9. What does a high standard deviation relative to mean annual rainfall indicate about a desert climate?

    • Predictable weather patterns
    • Constant annual rainfall
    • High rainfall variability
    • Reliable seasonal precipitation
  10. Which graph best shows changes in wadi discharge over time during a storm event?

    • Hydrograph
    • Ternary diagram
    • Isopleth map
    • Rose diagram
  11. Which qualitative skill is used when observing and describing desert landform features in the field?

    • Field sketches
    • Pebble counts
    • Spearman's rank
    • Standard deviation
  12. A desert dune migrates at 12 metres per year. What is its total displacement over 5 years?

    • 60 metres
    • 2.4 metres
    • 120 metres
    • 17 metres
  13. What does a sampling frame provide in geographical fieldwork?

    • Sampling population list
    • Map scale ratio
    • Statistical test result
    • Calculated mean value
  14. What micro-scale impact does a windbreak fence have on sand movement in deserts?

    • Reduces wind velocity
    • Increases soil moisture
    • Accelerates wind speed
    • Prevents all deposition
  15. Which statistical measure indicates the spread or variation of sediment grain sizes in a sample?

    • Arithmetic mean
    • Chi-squared test
    • Spearman's rank
    • Standard deviation
  16. Which statistical test determines if two sample means differ significantly for normally distributed data?

    • Spearman's rank
    • Student's t-test
    • Chi-squared test
    • Mann-Whitney U test
  17. What does a Pearson's correlation coefficient measure between two continuous variables?

    • Data normal distribution
    • Difference between means
    • Linear relationship strength
    • Spatial distribution pattern
  18. Which measure of central tendency is least affected by an extreme anomalous value in fieldwork data?

    • Standard deviation
    • Range
    • Mean
    • Median
  19. How is the arithmetic mean calculated for fieldwork measurements?

    • Middle value found
    • Highest minus lowest
    • Most frequent value
    • Sum divided by count
  20. On a 1:10,000 scale map, what real ground distance is represented by 4 cm?

    • 4 kilometres
    • 400 metres
    • 4,000 metres
    • 40 metres

All AQA Geography quizzes