Biology 9700 · AS & A Level · The microscope in cell studies

The microscope in cell studies — practice question

The diagram illustrates a stage micrometer, whose divisions are 0.1 mm apart, seen through an eyepiece fitted with a graticule. That same eyepiece is then used to view a blood smear. How many graticule divisions would span the diameter of a lymphocyte measuring 10 µm?

  • A1
  • B4
  • C10
  • D20

Worked solution & mark scheme

This 1-mark question has a full step-by-step worked solution and mark scheme.

  • Full mark scheme, point by point
  • Step-by-step worked solution
  • Write your answer & get it marked instantly by AI