Biology 0610 · IGCSE · Size of specimens

Size of specimens — practice question

An insect is shown in a diagram with a length of $150\text{ mm}$. The diagram has a magnification of $\times 20$. What is the insect’s actual length?

  • A0.13 mm
  • B3.0 mm
  • C7.5 mm
  • D130 mm

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