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CAIE A-Level Biology 1.1.3 Magnification and Actual Size Question Bank

Practise magnification and actual-size questions by measuring specified image features, converting units and rearranging I/A/M formulae with correct rounding.

Syllabus
2028–2030
Course
Biology 9700
Level
AS

Exam points

  • measure the stated line, scale bar or image feature before applying the I/A/M formula
  • convert mm, µm and nm consistently when calculating actual size or magnification
  • round answers to requested significant figures, standard form or whole-number units

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