Contents:

Unit 1 Cell Structure
Unit 2 Biology Molecules
Unit 3 Enzymes
Unit 4 Cell Membranes and transport
Unit 5 The Miotic cell cycle
Unit 6 Nucleic Acids and protein Synthesis
Unit 7 Transport and plants
Unit 8 Transport in Mammals
Unit 9 Gas Exchange and smoking
Unit 10 Infections Disease
Unit 11 Immunity
Yearly Past Papers
May / June 2018 paper 22
October / November 2018 paper 22
May / June 2019 paper 22
October / November 2019 paper 22
May / June 2020 Paper 22

Features:

Questions order new to old
References of repeated questions added
All variants
Mark Schemes included