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
-
Which variable must be measured directly to assess aeolian sand transport rates?
- Soil pH
- Wind speed
- Surface slope
- Air humidity
-
Which average is best for describing a skewed sand grain size distribution?
- Variance
- Mean
- Median
- Mode
-
Which technique is best for measuring the changing spatial extent of desert landforms?
- Satellite GIS mapping
- Soil coring
- Field quadrat sampling
- Piezometer monitoring
-
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
-
Which graph best displays the relationship between paired measurements of wind speed and sediment transport?
- Histogram
- Divided bar chart
- Scatter graph
- Pie chart
-
Which sampling strategy best eliminates investigator bias when measuring sand dune heights?
- Subjective sampling
- Systematic sampling
- Opportunistic sampling
- Pragmatic sampling
-
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
-
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
-
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
-
Which graph best shows changes in wadi discharge over time during a storm event?
- Hydrograph
- Ternary diagram
- Isopleth map
- Rose diagram
-
Which qualitative skill is used when observing and describing desert landform features in the field?
- Field sketches
- Pebble counts
- Spearman's rank
- Standard deviation
-
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
-
What does a sampling frame provide in geographical fieldwork?
- Sampling population list
- Map scale ratio
- Statistical test result
- Calculated mean value
-
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
-
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
-
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
-
What does a Pearson's correlation coefficient measure between two continuous variables?
- Data normal distribution
- Difference between means
- Linear relationship strength
- Spatial distribution pattern
-
Which measure of central tendency is least affected by an extreme anomalous value in fieldwork data?
- Standard deviation
- Range
- Mean
- Median
-
How is the arithmetic mean calculated for fieldwork measurements?
- Middle value found
- Highest minus lowest
- Most frequent value
- Sum divided by count
-
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
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