Biological data calculations

Use the correct baseline, units and precision when processing biological data.

One skill · 8 sittings · original source PDFs.

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21 linked pages in 2023. The different years are examples of this same skill family, not additional types.

2023 · Paper 1 Multiple choice
Official PDF
PDF viewer page 2. Choose the question or subpart testing biological data calculations; an exact question number and mark total have not been source-checked yet.
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2023 marking · Paper 1 (PDF opens in a new tab)
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2023 · Paper 1 Multiple choice
Official PDF
PDF viewer page 4. Choose the question or subpart testing biological data calculations; an exact question number and mark total have not been source-checked yet.
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Check the published marking instructions
Match the question number in the paper. These links open complete marking PDFs; a matching marking page has not been inferred.
2023 marking · Paper 1 (PDF opens in a new tab)
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Attempt the question in your own notes, check the published marking, then record completion here. These are your own marks, not a verified result. Leave your marks empty to record completion only; if you enter a mark, include its total.
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2023 · Paper 1 Multiple choice
Official PDF
PDF viewer page 5. Choose the question or subpart testing biological data calculations; an exact question number and mark total have not been source-checked yet.
Open paper-page example (PDF opens in a new tab)
Check the published marking instructions
Match the question number in the paper. These links open complete marking PDFs; a matching marking page has not been inferred.
2023 marking · Paper 1 (PDF opens in a new tab)
Return here to record your attempt
Attempt the question in your own notes, check the published marking, then record completion here. These are your own marks, not a verified result. Leave your marks empty to record completion only; if you enter a mark, include its total.
Question or subpart attempted
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2023 · Paper 1 Multiple choice
Official PDF
PDF viewer page 6. Choose the question or subpart testing biological data calculations; an exact question number and mark total have not been source-checked yet.
Open paper-page example (PDF opens in a new tab)
Check the published marking instructions
Match the question number in the paper. These links open complete marking PDFs; a matching marking page has not been inferred.
2023 marking · Paper 1 (PDF opens in a new tab)
Return here to record your attempt
Attempt the question in your own notes, check the published marking, then record completion here. These are your own marks, not a verified result. Leave your marks empty to record completion only; if you enter a mark, include its total.
Question or subpart attempted
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2023 · Paper 1 Multiple choice
Official PDF
PDF viewer page 8. Choose the question or subpart testing biological data calculations; an exact question number and mark total have not been source-checked yet.
Open paper-page example (PDF opens in a new tab)
Check the published marking instructions
Match the question number in the paper. These links open complete marking PDFs; a matching marking page has not been inferred.
2023 marking · Paper 1 (PDF opens in a new tab)
Return here to record your attempt
Attempt the question in your own notes, check the published marking, then record completion here. These are your own marks, not a verified result. Leave your marks empty to record completion only; if you enter a mark, include its total.
Question or subpart attempted
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2023 · Paper 1 Multiple choice
Official PDF
PDF viewer page 9. Choose the question or subpart testing biological data calculations; an exact question number and mark total have not been source-checked yet.
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Check the published marking instructions
Match the question number in the paper. These links open complete marking PDFs; a matching marking page has not been inferred.
2023 marking · Paper 1 (PDF opens in a new tab)
Return here to record your attempt
Attempt the question in your own notes, check the published marking, then record completion here. These are your own marks, not a verified result. Leave your marks empty to record completion only; if you enter a mark, include its total.
Question or subpart attempted
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2023 · Paper 1 Multiple choice
Official PDF
PDF viewer page 10. Choose the question or subpart testing biological data calculations; an exact question number and mark total have not been source-checked yet.
Open paper-page example (PDF opens in a new tab)
Check the published marking instructions
Match the question number in the paper. These links open complete marking PDFs; a matching marking page has not been inferred.
2023 marking · Paper 1 (PDF opens in a new tab)
Return here to record your attempt
Attempt the question in your own notes, check the published marking, then record completion here. These are your own marks, not a verified result. Leave your marks empty to record completion only; if you enter a mark, include its total.
Question or subpart attempted
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2023 · Paper 2
Official PDF
PDF viewer page 2. Choose the question or subpart testing biological data calculations; an exact question number and mark total have not been source-checked yet.
Open paper-page example (PDF opens in a new tab)
Check the published marking instructions
Match the question number in the paper. These links open complete marking PDFs; a matching marking page has not been inferred.
2023 marking · Paper 2 (PDF opens in a new tab)
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Attempt the question in your own notes, check the published marking, then record completion here. These are your own marks, not a verified result. Leave your marks empty to record completion only; if you enter a mark, include its total.
Question or subpart attempted
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2023 · Paper 2
Official PDF
PDF viewer page 3. Choose the question or subpart testing biological data calculations; an exact question number and mark total have not been source-checked yet.
Open paper-page example (PDF opens in a new tab)
Check the published marking instructions
Match the question number in the paper. These links open complete marking PDFs; a matching marking page has not been inferred.
2023 marking · Paper 2 (PDF opens in a new tab)
Return here to record your attempt
Attempt the question in your own notes, check the published marking, then record completion here. These are your own marks, not a verified result. Leave your marks empty to record completion only; if you enter a mark, include its total.
Question or subpart attempted
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2023 · Paper 2
Official PDF
PDF viewer page 7. Choose the question or subpart testing biological data calculations; an exact question number and mark total have not been source-checked yet.
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Check the published marking instructions
Match the question number in the paper. These links open complete marking PDFs; a matching marking page has not been inferred.
2023 marking · Paper 2 (PDF opens in a new tab)
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Attempt the question in your own notes, check the published marking, then record completion here. These are your own marks, not a verified result. Leave your marks empty to record completion only; if you enter a mark, include its total.
Question or subpart attempted
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2023 · Paper 2
Official PDF
PDF viewer page 11. Choose the question or subpart testing biological data calculations; an exact question number and mark total have not been source-checked yet.
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Check the published marking instructions
Match the question number in the paper. These links open complete marking PDFs; a matching marking page has not been inferred.
2023 marking · Paper 2 (PDF opens in a new tab)
Return here to record your attempt
Attempt the question in your own notes, check the published marking, then record completion here. These are your own marks, not a verified result. Leave your marks empty to record completion only; if you enter a mark, include its total.
Question or subpart attempted
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2023 · Paper 2
Official PDF
PDF viewer page 12. Choose the question or subpart testing biological data calculations; an exact question number and mark total have not been source-checked yet.
Open paper-page example (PDF opens in a new tab)
Check the published marking instructions
Match the question number in the paper. These links open complete marking PDFs; a matching marking page has not been inferred.
2023 marking · Paper 2 (PDF opens in a new tab)
Return here to record your attempt
Attempt the question in your own notes, check the published marking, then record completion here. These are your own marks, not a verified result. Leave your marks empty to record completion only; if you enter a mark, include its total.
Question or subpart attempted
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2023 · Paper 2
Official PDF
PDF viewer page 13. Choose the question or subpart testing biological data calculations; an exact question number and mark total have not been source-checked yet.
Open paper-page example (PDF opens in a new tab)
Check the published marking instructions
Match the question number in the paper. These links open complete marking PDFs; a matching marking page has not been inferred.
2023 marking · Paper 2 (PDF opens in a new tab)
Return here to record your attempt
Attempt the question in your own notes, check the published marking, then record completion here. These are your own marks, not a verified result. Leave your marks empty to record completion only; if you enter a mark, include its total.
Question or subpart attempted
Use the label in the PDF, not its viewer page number.
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2023 · Paper 2
Official PDF
PDF viewer page 14. Choose the question or subpart testing biological data calculations; an exact question number and mark total have not been source-checked yet.
Open paper-page example (PDF opens in a new tab)
Check the published marking instructions
Match the question number in the paper. These links open complete marking PDFs; a matching marking page has not been inferred.
2023 marking · Paper 2 (PDF opens in a new tab)
Return here to record your attempt
Attempt the question in your own notes, check the published marking, then record completion here. These are your own marks, not a verified result. Leave your marks empty to record completion only; if you enter a mark, include its total.
Question or subpart attempted
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2023 · Paper 2
Official PDF
PDF viewer page 15. Choose the question or subpart testing biological data calculations; an exact question number and mark total have not been source-checked yet.
Open paper-page example (PDF opens in a new tab)
Check the published marking instructions
Match the question number in the paper. These links open complete marking PDFs; a matching marking page has not been inferred.
2023 marking · Paper 2 (PDF opens in a new tab)
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Attempt the question in your own notes, check the published marking, then record completion here. These are your own marks, not a verified result. Leave your marks empty to record completion only; if you enter a mark, include its total.
Question or subpart attempted
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2023 · Paper 2
Official PDF
PDF viewer page 16. Choose the question or subpart testing biological data calculations; an exact question number and mark total have not been source-checked yet.
Open paper-page example (PDF opens in a new tab)
Check the published marking instructions
Match the question number in the paper. These links open complete marking PDFs; a matching marking page has not been inferred.
2023 marking · Paper 2 (PDF opens in a new tab)
Return here to record your attempt
Attempt the question in your own notes, check the published marking, then record completion here. These are your own marks, not a verified result. Leave your marks empty to record completion only; if you enter a mark, include its total.
Question or subpart attempted
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2023 · Paper 2
Official PDF
PDF viewer page 19. Choose the question or subpart testing biological data calculations; an exact question number and mark total have not been source-checked yet.
Open paper-page example (PDF opens in a new tab)
Check the published marking instructions
Match the question number in the paper. These links open complete marking PDFs; a matching marking page has not been inferred.
2023 marking · Paper 2 (PDF opens in a new tab)
Return here to record your attempt
Attempt the question in your own notes, check the published marking, then record completion here. These are your own marks, not a verified result. Leave your marks empty to record completion only; if you enter a mark, include its total.
Question or subpart attempted
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2023 · Paper 2
Official PDF
PDF viewer page 21. Choose the question or subpart testing biological data calculations; an exact question number and mark total have not been source-checked yet.
Open paper-page example (PDF opens in a new tab)
Check the published marking instructions
Match the question number in the paper. These links open complete marking PDFs; a matching marking page has not been inferred.
2023 marking · Paper 2 (PDF opens in a new tab)
Return here to record your attempt
Attempt the question in your own notes, check the published marking, then record completion here. These are your own marks, not a verified result. Leave your marks empty to record completion only; if you enter a mark, include its total.
Question or subpart attempted
Use the label in the PDF, not its viewer page number.
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2023 · Paper 2
Official PDF
PDF viewer page 24. Choose the question or subpart testing biological data calculations; an exact question number and mark total have not been source-checked yet.
Open paper-page example (PDF opens in a new tab)
Check the published marking instructions
Match the question number in the paper. These links open complete marking PDFs; a matching marking page has not been inferred.
2023 marking · Paper 2 (PDF opens in a new tab)
Return here to record your attempt
Attempt the question in your own notes, check the published marking, then record completion here. These are your own marks, not a verified result. Leave your marks empty to record completion only; if you enter a mark, include its total.
Question or subpart attempted
Use the label in the PDF, not its viewer page number.
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2023 · Paper 2
Official PDF
PDF viewer page 25. Choose the question or subpart testing biological data calculations; an exact question number and mark total have not been source-checked yet.
Open paper-page example (PDF opens in a new tab)
Check the published marking instructions
Match the question number in the paper. These links open complete marking PDFs; a matching marking page has not been inferred.
2023 marking · Paper 2 (PDF opens in a new tab)
Return here to record your attempt
Attempt the question in your own notes, check the published marking, then record completion here. These are your own marks, not a verified result. Leave your marks empty to record completion only; if you enter a mark, include its total.
Question or subpart attempted
Use the label in the PDF, not its viewer page number.
My marks (optional)
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2023 · Paper 2
Official PDF
PDF viewer page 27. Choose the question or subpart testing biological data calculations; an exact question number and mark total have not been source-checked yet.
Open paper-page example (PDF opens in a new tab)
Check the published marking instructions
Match the question number in the paper. These links open complete marking PDFs; a matching marking page has not been inferred.
2023 marking · Paper 2 (PDF opens in a new tab)
Return here to record your attempt
Attempt the question in your own notes, check the published marking, then record completion here. These are your own marks, not a verified result. Leave your marks empty to record completion only; if you enter a mark, include its total.
Question or subpart attempted
Use the label in the PDF, not its viewer page number.
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2023 · Paper 1 Multiple choice

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