AS CIE Biology Topic Question Past paper and exam-style questions organised by topic, with student-friendly answers written by teachers and examiners. 1. Cell Structure QP 1. Cell Structure MS 2. Biological Molecules MCQ QP2.1 Biological Molecules Theory QP 2. Biological Molecules MCQ MS2.1 Biological Molecules Theory MS 3. Enzymes QP 3. Enzymes MS 4.Cell Membrane QP 4.Cell Membrane MS 5. The Mitotic cell cycle QP 5. The Mitotic cell cycle MS 6. Nucleic acid & Protein Synthesis QP 6. Nucleic acid & Protein Synthesis 7. Transport in Plants QP 7. Transport in Plants QP