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IB Biology A2.2.2 Microscopy skills

IB Biology A2.2.2 Microscopy skills
IB Biology syllabusBiology SL/HLFirst assessment 2025

Practise using microscope evidence to measure cells, calculate magnification and actual size, and choose equipment such as an eyepiece graticule.

How this is tested

  • calculate actual size from image measurements and magnification, with suitable units
  • state how total microscope magnification is found from eyepiece and objective lenses
  • apply graticule readings to estimate cell or tissue dimensions from a micrograph
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