Lesson 3.1.3.5
3.1.3.5 Coasts: quantitative and qualitative skills Quiz: AQA Geography, Unit 1
20 questions
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Lesson 3.1.3.5, Coasts: 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 instrument measures slope angles along a beach profile transect?
- Flowmeter
- Clinometer
- Quadrat
- Calliper
-
Which measure of central tendency is least affected by an extreme gradient outlier?
- Median
- Mean
- Range
- Mode
-
What relationship does a Spearman's rank correlation value of -0.72 describe?
- No correlation
- Weak positive
- Strong negative
- Strong positive
-
Which technique measures shoreline change by comparing maps from different dates?
- Cross-section drawing
- Nearest neighbour analysis
- Trend line analysis
- Map overlay
-
If a cliff retreats by 1.2 metres annually, how far will it retreat in 25 years?
- 36 metres
- 21 metres
- 30 metres
- 25 metres
-
Which sampling method measures coastal data at regular spatial intervals?
- Random sampling
- Systematic sampling
- Stratified sampling
- Opportunistic sampling
-
Which graph best displays the frequency distribution of pebble size classes?
- Scatter graph
- Histogram
- Pie chart
- Line graph
-
Which error occurs when different survey observers use inconsistent measurement methods?
- Systematic error
- Calculation error
- Sampling error
- Random error
-
Which evidence best proves ongoing cliff retreat over a five-year period?
- Qualitative local interview
- One field observation
- Repeated transect surveys
- A single photograph
-
What does a high chi-squared statistic indicate about observed and expected sediment counts?
- Linear relationship
- No difference
- Strong correlation
- Significant difference
-
Which calculation estimates total beach volume change between two profile surveys?
- Sediment size analysis
- Cross-sectional area integration
- Cliff retreat profiling
- Wave height averaging
-
Which qualitative data source helps evaluate a coastal management scheme?
- Beach profiles
- Sediment grain size
- Erosion rates
- Stakeholder views
-
Which measure of spread is best for non-normally distributed coastal data?
- Standard deviation
- Arithmetic mean
- Interquartile range
- Variance
-
What does a fetch measurement describe in a coastal study?
- Tidal range height
- Beach profile slope
- Sediment transport rate
- Open-water wind distance
-
A beach profile has a gradient ratio of 1:20. What is this as a percentage?
- 20%
- 2%
- 5%
- 10%
-
What must be kept identical when comparing beach profiles over time?
- Sediment mass
- Wind direction
- Transect locations
- Tide height
-
What relationship is shown if sediment size decreases as distance from a cliff increases?
- Positive correlation
- Direct causation
- No correlation
- Negative correlation
-
What key factor limits the reliability of data from a single-day beach survey?
- Map scale errors
- Fixed transect lines
- Short-term wave variation
- Compass bearing drift
-
What condition leads to a positive sediment budget on a beach?
- Zero longshore drift
- Outputs exceed inputs
- Inputs equal outputs
- Inputs exceed outputs
-
Which statistical measure best quantifies the variability of measured wave heights?
- Median
- Standard deviation
- Mode
- Mean
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