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

Cells as the basic units of living organisms — practice question

What change occurs to the surface area to volume ratio of a cube when the length of each side is doubled?

  • AThe ratio decreases by a quarter.
  • BThe ratio decreases by half.
  • CThe ratio doubles.
  • DThe ratio increases by four times.

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