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Cambridge · O Level · Biology

October/November 2018 — Paper 3 · Variant 2.

19 structured questions · 40 marks

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

The mark scheme comes with the Biology course.

Topics covered

  • Inheritance
  • Mammalian sense organs
  • Biotechnology
  • Sexual reproduction in plants
  • Biological molecules

Questions in this paper

  • Q1a(i)Biotechnology3 marks
  • Q1b(i)Biotechnology1 marks
  • Q1a(ii)Biotechnology3 marks
  • Q1a(iii)Biotechnology1 marks
  • Q1b(ii)Biotechnology1 marks
  • Q1b(iii)Biotechnology2 marks
  • Q2b(iii)Mammalian sense organs1 marks
  • Q2b(iv)Mammalian sense organs1 marks
  • Q2b(i)Mammalian sense organs4 marksincludes a figure
  • Q2a(i)Mammalian sense organs4 marks
  • Q2a(ii)Mammalian sense organs1 marks
  • Q2b(v)Mammalian sense organs2 marks
  • Q2b(ii)Mammalian sense organs1 marks
  • Q3b(ii)Inheritance2 marks
  • Q3a(ii)Sexual reproduction in plants3 marksincludes a figure
  • Q3b(iii)Inheritance2 marks
  • Q3b(i)Inheritance1 marksincludes a figure
  • Q3a(i)Sexual reproduction in plants5 marksincludes a figure
  • Q3cBiological molecules2 marks

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