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Pearson Edexcel International A Level

Biology YBI11 past papers

All 101 Edexcel IAL Biology YBI11 question papers with mark schemes, 2019–2025. Open any paper with its mark scheme side by side and see the grade your marks would earn from the official grade boundaries.

Open YBI11 in Study DriveLatest papers (2025)

Papers in this syllabus

As set in May/June 2025.

  • Unit 1Molecules, Diet, Transport and HealthAS
  • Unit 2Cells, Development, Biodiversity and ConservationAS
  • Unit 3Practical Skills in Biology IAS
  • Unit 4Energy, Environment, Microbiology and ImmunityA2
  • Unit 5Respiration, Internal Environment, Coordination and Gene TechnologyA2
  • Unit 6Practical Skills in Biology IIA2

Past papers by year

2025May/June, January · 12 papers2024October, May/June, January · 18 papers2023October, May/June, January · 18 papers2022October, May/June, January · 18 papers2021October, May/June, January · 18 papers2020October, January · 10 papers2019October, May/June, January · 7 papers

Questions

Where can I find YBI11 past papers with mark schemes?

Study Drive has all 101 Edexcel IAL Biology YBI11 question papers with their mark schemes, from 2019–2025. Open any paper in the page with its mark scheme beside it, free and with no sign-up.

What are the YBI11 grade thresholds?

Each year page lists the official grade boundaries for every paper and variant, and Study Drive uses them to predict the grade for any mark you log.