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Continuous and discontinuous variation

6th grade (Year 7 in England) · 16 questions · Common Core: NGSS.MS-LS3-2, NGSS.SEP 4 · England: KS3 Biology: Inheritance, chromosomes, DNA and genes

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  1. Question 1

    Which of these is an example of discontinuous variation?

    • A. arm length
    • B. body mass
    • C. ABO blood group
    • D. heart rate

  2. Question 2

    Five students measured their heights in cm: 165, 142, 150, 168, 180. What is the range of their heights, in cm?

    Answercm

  3. Question 3

    Is this continuous or discontinuous variation: foot length?

    • A. continuous
    • B. discontinuous

  4. Question 4

    Which of these is an example of discontinuous variation?

    • A. arm length
    • B. ABO blood group
    • C. heart rate
    • D. body mass

  5. Question 5

    Five students measured their heights in cm: 156, 160, 167, 145, 185. What is the range of their heights, in cm?

    Answercm

  6. Question 6

    Is this continuous or discontinuous variation: pea flower colour (purple or white)?

    • A. continuous
    • B. discontinuous

  7. Question 7

    A class records everyone's hand span in cm. Which graph should they draw?

    • A. a histogram with grouped ranges
    • B. no graph is possible
    • C. a bar chart with gaps between categories
    • D. a pie chart of names

  8. Question 8

    Five students measured their heights in cm: 143, 158, 168, 179, 164. What is the range of their heights, in cm?

    Answercm

  9. Question 9

    Is this continuous or discontinuous variation: pea seed shape (round or wrinkled)?

    • A. continuous
    • B. discontinuous

  10. Question 10

    Which of these is an example of discontinuous variation?

    • A. body mass
    • B. heart rate
    • C. ABO blood group
    • D. arm length

  11. Question 11

    Five students measured their heights in cm: 177, 157, 165, 143, 173. What is the range of their heights, in cm?

    Answercm

  12. Question 12

    Is this continuous or discontinuous variation: pea flower colour (purple or white)?

    • A. continuous
    • B. discontinuous

  13. Question 13

    A class records everyone's hand span in cm. Which graph should they draw?

    • A. a histogram with grouped ranges
    • B. a pie chart of names
    • C. a bar chart with gaps between categories
    • D. no graph is possible

  14. Question 14

    Five students measured their heights in cm: 176, 162, 171, 143, 157. What is the range of their heights, in cm?

    Answercm

  15. Question 15

    Is this continuous or discontinuous variation: pea flower colour (purple or white)?

    • A. continuous
    • B. discontinuous

  16. Question 16

    A class records everyone's blood group. Which graph should they draw?

    • A. a bar chart with a separate bar for each group
    • B. a scatter graph
    • C. a histogram with no gaps
    • D. a line graph

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Answer key: Continuous and discontinuous variation

  1. 1. C. ABO blood group

  2. 2. 38 cm

  3. 3. A. continuous

  4. 4. B. ABO blood group

  5. 5. 40 cm

  6. 6. B. discontinuous

  7. 7. A. a histogram with grouped ranges

  8. 8. 36 cm

  9. 9. B. discontinuous

  10. 10. C. ABO blood group

  11. 11. 34 cm

  12. 12. B. discontinuous

  13. 13. A. a histogram with grouped ranges

  14. 14. 33 cm

  15. 15. B. discontinuous

  16. 16. A. a bar chart with a separate bar for each group