Biology 9700 · AS & A Level · Cells as the basic units of living organisms

Cells as the basic units of living organisms — practice question

Red blood cells have a diameter of $7000\,\text{nm}$. Pancreatic cells have a diameter of $35\,\mu\text{m}$. Which statement about the relative sizes of these cells is correct?

  • AThe red blood cells are 5 times larger.
  • BThe red blood cells are 50 times larger.
  • CThe red blood cells are 5 times smaller.
  • DThe red blood cells are 50 times smaller.

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