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Cambridge · O Level · Biology

October/November 2021 — Paper 3 · Variant 1.

15 structured questions · 40 marks

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The mark scheme comes with the Biology course.

Topics covered

  • Specialised cells, tissues and organs
  • Diffusion and osmosis
  • Biological molecules

Questions in this paper

  • Q1a(v)Diffusion and osmosis3 marks
  • Q1b(v)Diffusion and osmosis1 marks
  • Q1a(ii)Diffusion and osmosis1 marks
  • Q1a(iv)Diffusion and osmosis2 marks
  • Q1a(i)Diffusion and osmosis2 marks
  • Q1b(iv)Diffusion and osmosis2 marks
  • Q1a(vi)Diffusion and osmosis4 marks
  • Q1b(ii)Diffusion and osmosis2 marks
  • Q1b(i)Diffusion and osmosis2 marks
  • Q1b(iii)Diffusion and osmosis4 marks
  • Q1a(iii)Diffusion and osmosis5 marks
  • Q2a(iii)Specialised cells, tissues and organs2 marks
  • Q2bBiological molecules5 marks
  • Q2a(ii)Specialised cells, tissues and organs1 marksincludes a figure
  • Q2a(i)Specialised cells, tissues and organs4 marksincludes a figure

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