WJEC · GCSE · 3400U10-1, 3400U20-1, 3400U40-1, 3400UA0-1, 3400UB0-1, biology-gcse

WJEC GCSE Biology past papers

28 WJEC GCSE Biology papers from 2017 to 2025, 28 with a mark scheme. Every link opens the document on WJEC's own website; we list them in one place and show which topics each series tested.

Which topics come up most

The topics that have carried the most marks across the WJEC GCSE Biology papers we have tagged question by question. Topics with a revision guide link to it.

Topic	Questions	Marks	Papers
Biology Required Practicals and Data Analysis	39	383	20 of 22
Biodiversity, Cycles and Human Impact	23	195	16 of 22
The Digestive System and Enzymes	18	193	13 of 22
Ecosystems, Adaptation and Feeding Relationships	21	177	17 of 22
Hormonal Coordination and Homeostasis	20	173	10 of 22
DNA, Genetics and Inheritance	17	169	11 of 22
Human Defences, Vaccination and Drug Development	12	120	8 of 22
The Circulatory System and Heart	13	113	9 of 22
Plant Tissues, Transport and Transpiration	12	110	11 of 22
Communicable Diseases and Pathogens	10	96	8 of 22
Photosynthesis	10	85	8 of 22
The Nervous System and Reflexes	9	84	7 of 22
Respiration, Exercise and Metabolism	9	83	7 of 22
Transport in and out of Cells	9	77	7 of 22
Variation, Evolution and Selection	7	63	5 of 22

Counted from our own question-by-question tagging of 22 papers. A question that tests two topics counts towards both, so the marks column ranks topics rather than adding up to a paper total. Showing the top 15 of 18 topics.

All WJEC GCSE Biology papers by year

Summer 2025

Paper	Tier	Official documents (WJEC)
Unit 1: Cells, Organ Systems and Ecosystems	Foundation	Question paper Mark scheme
Unit 1: Cells, Organ Systems and Ecosystems	Higher	Question paper Mark scheme
Unit 2: Variation, Homeostasis and Micro-organisms	Foundation	Question paper Mark scheme
Unit 2: Variation, Homeostasis and Micro-organisms	Higher	Question paper Mark scheme

Summer 2024

Paper	Tier	Official documents (WJEC)
Unit 1: Cells, Organ Systems and Ecosystems	Foundation	Question paper Mark scheme
Unit 1: Cells, Organ Systems and Ecosystems	Higher	Question paper Mark scheme
Unit 2: Variation, Homeostasis and Micro-organisms	Foundation	Question paper Mark scheme
Unit 2: Variation, Homeostasis and Micro-organisms	Higher	Question paper Mark scheme

Summer 2023

Paper	Tier	Official documents (WJEC)
Unit 1: Cells, Organ Systems and Ecosystems	Foundation	Question paper Mark scheme
Unit 1: Cells, Organ Systems and Ecosystems	Higher	Question paper Mark scheme
Unit 2: Variation, Homeostasis and Micro-organisms	Foundation	Question paper Mark scheme
Unit 2: Variation, Homeostasis and Micro-organisms	Higher	Question paper Mark scheme

Summer 2022

Paper	Tier	Official documents (WJEC)
Unit 1: Cells, Organ Systems and Ecosystems	Foundation	Question paper Mark scheme
Unit 1: Cells, Organ Systems and Ecosystems	Higher	Question paper Mark scheme
Unit 2: Variation, Homeostasis and Micro-organisms	Foundation	Question paper Mark scheme
Unit 2: Variation, Homeostasis and Micro-organisms	Higher	Question paper Mark scheme
Unit 2: Variation, Homeostasis and Micro-organisms (Contingency)	Foundation	Question paper Mark scheme
Unit 2: Variation, Homeostasis and Micro-organisms (Contingency)	Higher	Question paper Mark scheme

Summer 2019

Paper	Tier	Official documents (WJEC)
Unit 1: Cells, Organ Systems and Ecosystems	Foundation	Question paper Mark scheme
Unit 1: Cells, Organ Systems and Ecosystems	Higher	Question paper Mark scheme
Unit 2: Variation, Homeostasis and Micro-organisms	Foundation	Question paper Mark scheme
Unit 2: Variation, Homeostasis and Micro-organisms	Higher	Question paper Mark scheme

Summer 2018

Paper	Tier	Official documents (WJEC)
Unit 1: Cells, Organ Systems and Ecosystems	Foundation	Question paper Mark scheme
Unit 1: Cells, Organ Systems and Ecosystems	Higher	Question paper Mark scheme
Unit 2: Variation, Homeostasis and Micro-organisms	Foundation	Question paper Mark scheme
Unit 2: Variation, Homeostasis and Micro-organisms	Higher	Question paper Mark scheme

Summer 2017

Paper	Tier	Official documents (WJEC)
Unit 1: Cells, Organ Systems and Ecosystems	Foundation	Question paper Mark scheme
Unit 1: Cells, Organ Systems and Ecosystems	Higher	Question paper Mark scheme

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