WJEC GCSE in Biology (Wales) (3400QS) revision

5 free interactive Biology revision modules for WJEC GCSE, matched to the WJEC GCSE in Biology (Wales) (3400QS) specification.

Revision modules

Cells and Organ Systems Cells and organ systems (Unit 1) ⏱️ 20 min Ecosystems and Biodiversity Ecosystems and biodiversity (Unit 1) ⏱️ 20 min Homeostasis and Response Homeostasis and response (Unit 2) ⏱️ 20 min Micro-organisms, Disease and Biotechnology Micro-organisms, disease and biotechnology (Unit 2) ⏱️ 22 min Variation, Inheritance and Evolution Variation, inheritance and evolution (Unit 2) ⏱️ 20 min

Past papers for this specification

WJEC GCSE Biology past papers 52 official documents · 2017-2025

Question papers, mark schemes and examiner reports, free and straight from the exam board. Revise a topic here first, then mark yourself against a real paper.

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What the specification covers

U1CELLS Cells and organ systems (Unit 1)

U1ECO Ecosystems and biodiversity (Unit 1)

U2VAR Variation, inheritance and evolution (Unit 2)

U2HOMEO Homeostasis and response (Unit 2)

U2MICRO Micro-organisms, disease and biotechnology (Unit 2)

U3PRAC Practical and scientific skills (Unit 3 + AO3)

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