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Cambridge · O Level · Biology

May/June 2023 — Paper 4 · Variant 2.

14 structured questions · 31 marks

Download question paper (PDF)Mark scheme — for enrolled students

The mark scheme comes with the Biology course.

Topics covered

  • Diffusion and osmosis
  • Leaf structure
  • Biological molecules

Questions in this paper

  • Q1d(i)Diffusion and osmosis6 marks
  • Q1b(i)Diffusion and osmosis2 marks
  • Q1e(i)Biological molecules2 marks
  • Q1b(iii)Diffusion and osmosis2 marks
  • Q1c(i)Diffusion and osmosis5 marksincludes a figure
  • Q1d(ii)Diffusion and osmosis1 marks
  • Q1e(ii)Biological molecules1 marks
  • Q1a(ii)Diffusion and osmosis2 marksincludes a figure
  • Q1b(ii)Diffusion and osmosis1 marks
  • Q1a(v)Diffusion and osmosis1 marks
  • Q1a(i)Diffusion and osmosis1 marks
  • Q1a(iv)Diffusion and osmosis2 marks
  • Q2cLeaf structure2 marksincludes a figure
  • Q2aLeaf structure3 marksincludes a figure

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