Size of specimens
2.2What the syllabus asks of you
- State and use the formula: magnification = image size ÷ actual size
- Calculate magnification and size of biological 3 Convert measurements between specimens using millimetres as units millimetres (mm) and micrometres (μm)
Read the notes first
Chapter 1: Cell structure and function
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Every question on Size of specimens, untimed, marked as you go.
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Choose the years and how many questions, then print it with the answers on separate pages.
19 questions
1May / June 2026 · Paper 21 · Q4Show mark scheme →
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19May / June 2020 · Paper 22 · Q4Show mark scheme →
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