Worksheets Name
Variation
Class
Total questions: 14
Worksheet time: 7mins
Date
Instructor name: Mr. C Brady
1. Which one of the following shows discontinuous variation?
a) Weight b) Eye colour
c) Height d) Strength
2. Which one of the following shows continuous variation?
a) Blood group b) Male or female
c) Tongue rolling d) Height
3. What type of graph do we use for discontinuous variation?
a) Line graph b) Bar chart
c) Scatter Graph d) A bell-shape
4. What shape on a line-graph or histogram do you see for many examples of continuous variation?
a) A straight line downwards b) A straight line upwards
c) A bell-shape d) A flat line
5. Which type of data would student height be categorized as?
a) Normal b) Discontinuous
c) Categorical d) Continuous
6. Student eye colour could be considered what type of data
a) Continuous b) Independent
c) Colours d) Discontinuous
7. Which of the following is an example of discontinuous variation?
a) Height b) Weight
c) Blood type d) Hand span
8.
Tree height is an example of...
a) continuous variation b) disruptive variation
c) discrete variation d) discontinuous variation
9.
Genetic variation can arise from a random change in the DNA of a gene. The change is called a(n)
a) gene pool b) allele
c) mutation d) gene flow
10. What does crossing over during meiosis lead to?
a) Trisomy b) Monosomy
c) Genetic Variation d) 2 Diploid daughter cells
11.
What are alleles?
a) Long strands of DNA that contain lots of b) The basic unit of heredity; controls a specific
genes. trait.
c) Different versions of a gene. d) A characteristic passed from parent to
offspring
e) The differences that occur from a mixture of
genes
12.
What is the term used to describe the biggest contribution to genetic variation
a) Climate b) Nutrition
c) Random fertilisation d) Mutation
13. How confident do you feel you understand the concept variation and how it leads to differences within
and between species?
a) Extremely confident! b) Quite confident
c) Not very confident - I need to review/revise d) Not at all - I need some help!
over
14. How confident are you at recognising the types of variation and the type of data associated with it -
continuous and discontinuous?
a) Extremely confident! b) Not at all - I need some help!
c) Not very confident - I need to review/revise d) Quite confident
over
