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Cambridge · O Level · Biology
October/November 2020 — Paper 2 · Variant 1.
25 structured questions · 90 marks
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The mark scheme comes with the Biology course.
Topics covered
- Photosynthesis
- Diffusion and osmosis
- Energy flow
- Effects of humans on ecosystems
- Human gas exchange
- Heart
- Sexual reproduction in humans
- Conservation
- Asexual and sexual reproduction
- Ecosystems and biodiversity
- Human digestive system
- Selection
- Variation
- Blood vessels
- Absorption and assimilation
Questions in this paper
- Q1a(ii)Absorption and assimilation1 marksincludes a figure
- Q1b(i)Human digestive system2 marksincludes a figure
- Q1a(i)Human digestive system4 marksincludes a figure
- Q1b(ii)Human digestive system3 marksincludes a figure
- Q2aPhotosynthesis2 marks
- Q2bEcosystems and biodiversity5 marks
- Q2cEffects of humans on ecosystems3 marks
- Q3aHuman gas exchange3 marks
- Q3b(i)Effects of humans on ecosystems1 marks
- Q3cEffects of humans on ecosystems4 marks
- Q3b(ii)Effects of humans on ecosystems3 marks
- Q4aHuman gas exchange2 marksincludes a figure
- Q4b(ii)Sexual reproduction in humans4 marks
- Q4b(i)Human gas exchange4 marks
- Q5aDiffusion and osmosis1 marks
- Q5cDiffusion and osmosis5 marksincludes a figure
- Q5bDiffusion and osmosis3 marksincludes a figure
- Q6bHeart3 marks
- Q6aBlood vessels7 marks
- Q7aEnergy flow7 marks
- Q7bConservation3 marks
- Q8aAsexual and sexual reproduction5 marks
- Q8bEcosystems and biodiversity5 marks
- Q9bSelection5 marks
- Q9aVariation5 marks
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