
WJEC GCSE Biology (3400) exam questions and past papers
Free WJEC GCSE Biology past papers, with mark schemes and model answers for every paper.
How to use the past papers
Sit each paper under timed conditions, then mark it yourself with the mark scheme. Compare your answers with our model answers to see exactly what a full-mark answer looks like, and note the questions where you lost marks so you know what to revise next.
Foundation tier papers
Sit them timed, mark with the mark scheme, then compare with our model answers.
June 2025
Unit 1: Cells, Organ Systems and EcosystemsWJEC GCSE Biology (3400)
Question paperMark scheme
June 2025
Unit 2: Variation, Homeostasis and Micro-organismsWJEC GCSE Biology (3400)
Question paperMark scheme
June 2024
Unit 1: Cells, Organ Systems and EcosystemsWJEC GCSE Biology (3400)
Question paperMark scheme
June 2024
Unit 2: Variation, Homeostasis and Micro-organismsWJEC GCSE Biology (3400)
Question paperMark scheme
June 2023
Unit 1: Cells, Organ Systems and EcosystemsWJEC GCSE Biology (3400)
Question paperMark scheme
June 2023
Unit 2: Variation, Homeostasis and Micro-organismsWJEC GCSE Biology (3400)
Question paperMark scheme
June 2022
Unit 1: Cells, Organ Systems and EcosystemsWJEC GCSE Biology (3400)
Question paperMark scheme
June 2022
Unit 2: Variation, Homeostasis and Micro-organismsWJEC GCSE Biology (3400)
Question paperMark scheme
June 2019
Unit 1: Cells, Organ Systems and EcosystemsWJEC GCSE Biology (3400)
Question paperMark scheme
June 2019
Unit 2: Variation, Homeostasis and Micro-organismsWJEC GCSE Biology (3400)
Question paperMark scheme
June 2018
Unit 1: Cells, Organ Systems and EcosystemsWJEC GCSE Biology (3400)
Question paperMark scheme
June 2018
Unit 2: Variation, Homeostasis and Micro-organismsWJEC GCSE Biology (3400)
Question paperMark scheme
Higher tier papers
Sit them timed, mark with the mark scheme, then compare with our model answers.
June 2025
Unit 1: Cells, Organ Systems and EcosystemsWJEC GCSE Biology (3400)
Question paperMark scheme
June 2025
Unit 2: Variation, Homeostasis and Micro-organismsWJEC GCSE Biology (3400)
Question paperMark scheme
June 2024
Unit 1: Cells, Organ Systems and EcosystemsWJEC GCSE Biology (3400)
Question paperMark scheme
June 2024
Unit 2: Variation, Homeostasis and Micro-organismsWJEC GCSE Biology (3400)
Question paperMark scheme
June 2023
Unit 1: Cells, Organ Systems and EcosystemsWJEC GCSE Biology (3400)
Question paperMark scheme
June 2023
Unit 2: Variation, Homeostasis and Micro-organismsWJEC GCSE Biology (3400)
Question paperMark scheme
June 2022
Unit 1: Cells, Organ Systems and EcosystemsWJEC GCSE Biology (3400)
Question paperMark scheme
June 2022
Unit 2: Variation, Homeostasis and Micro-organismsWJEC GCSE Biology (3400)
Question paperMark scheme
June 2019
Unit 1: Cells, Organ Systems and EcosystemsWJEC GCSE Biology (3400)
Question paperMark scheme
June 2019
Unit 2: Variation, Homeostasis and Micro-organismsWJEC GCSE Biology (3400)
Question paperMark scheme
June 2018
Unit 1: Cells, Organ Systems and EcosystemsWJEC GCSE Biology (3400)
Question paperMark scheme
June 2018
Unit 2: Variation, Homeostasis and Micro-organismsWJEC GCSE Biology (3400)
Question paperMark scheme
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