A scale bar labelled 10 µm measures 20 mm on a micrograph. The magnification is

  1. ×2000
  2. ×200
  3. ×500
  4. ×20 000
Answer

A) ×2000

20 000 µm ÷ 10 µm = 2000. AS & A Level Biology · Topic 1 Cell Structure · 1.1 The microscope in cell studies

Biology MCQ · More A Level Biology: Cell structure MCQs · Practise