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

The microscope in cell studies — practice question

The diagram presents an electron micrograph of virus particles in a human nucleus. What is the diameter of the virus particle labelled on the diagram?

  • A$1.5 \times 10^{0}\,\mu\text{m}$
  • B$1.5 \times 10^{-2}\,\mu\text{m}$
  • C$1.5 \times 10^{0}\,\text{nm}$
  • D$1.5 \times 10^{2}\,\text{nm}$

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