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IB Biology HL 2.2.2 Microscopy Skills

Practise IB Biology HL 2.2.2 by using graticules, scale bars and microscope images to calculate cell dimensions and magnification.

Syllabus
First assessment 2025
Course
Biology HL
Level
HL

Exam points

  • Use an eyepiece graticule or scale bar to calculate actual size and magnification with correct units.
  • Explain how graticule divisions and microscope magnification support accurate cell measurements.

A2.2.2—Microscopy skills question 1

[Maximum number: 1]

Calculate the magnification of the electron micrograph.

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