Lesson T4.2.2
T4.2.2 Continuous and discontinuous variation Quiz: KS3 Biology, Unit 4
20 questions
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Lesson T4.2.2, Continuous and discontinuous variation: 20 multiple choice questions for the KS3 Biology (National Curriculum), Unit 4: Genetics and evolution, written with Revision Ninja.
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The 20 questions
-
Which term describes characteristics that vary across a range with no distinct categories?
- Discrete variation
- Categoric variation
- Continuous variation
- Discontinuous variation
-
Which term describes characteristics that fall into distinct categories with no intermediate values?
- Continuous variation
- Discontinuous variation
- Inherited variation
- Environmental variation
-
Which graph type is typically used to display continuous variation data?
- Scatter graph
- Pie chart
- Histogram
- Line graph
-
Which graph type is typically used to display discontinuous variation data?
- Pie chart
- Histogram
- Scatter graph
- Bar chart
-
What distribution shape is most common when plotting continuous mass data?
- Straight line
- Bell-shaped curve
- Flat line
- Step pattern
-
Which characteristic is a classic example of continuous variation in humans?
- Height
- Eye colour
- Blood group
- Earlobe shape
-
Which characteristic is a classic example of discontinuous variation in humans?
- Body mass
- Foot length
- Hand span
- Blood group
-
Which factors combine to influence continuous variation traits like human height?
- Genes only
- Environment only
- Genes and environment
- Diet only
-
What usually controls characteristics showing strict discontinuous variation?
- Single genes
- Many genes
- Climate factors
- Dietary intake
-
What does a histogram with bars touching each other indicate about data?
- It is discontinuous
- It is discrete
- It is continuous
- It is categoric
-
What does a chart with gaps between the bars indicate about data?
- It is continuous
- It is measured
- It is discontinuous
- It is variable
-
How must the bars on a histogram representing continuous variation be drawn?
- Arranged in categories
- Separated by equal gaps
- Decreasing in height
- Touching with no gaps
-
Which of these traits is an example of discontinuous variation?
- Foot length
- Body mass
- Height
- Blood group
-
What feature of continuous data is most useful to calculate and compare?
- Total count
- Category names
- Bar colours
- Mean average
-
Which plant feature shows continuous variation within a population?
- Leaf length
- Flower colour
- Petal count
- Seed type
-
What type of graph pattern does discontinuous variation produce?
- Bell shape
- Smooth curve
- Distinct bars
- Continuous line
-
Why is a large sample needed when studying population variation?
- Faster testing
- Greater reliability
- Fewer errors
- Lower cost
-
What causes a bell-shaped curve in continuous variation?
- Single genes
- One environmental factor
- A lack of alleles
- Many genes
-
Which sunflower feature shows continuous variation?
- Leaf type
- Stem height
- Flower colour
- Petal number
-
Which human trait is an example of discontinuous variation?
- Height
- Blood group
- Body mass
- Foot length
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