Eduqas AS Biology — Component 1 Exam Question Pack + Mark Scheme [2027]

The complete exam question bank for Eduqas AS Biology Component 1 (Basic Biochemistry & Cell Organisation).

Every question matches the UK exam style, every mark scheme is written in the language Eduqas markers actively reward, and every topic ends with an Examiner Insight box telling you exactly how students lose marks.

What you get (55-page PDF):

• 125 exam-style questions across the whole Component 1 specification
• 3 difficulty tiers per topic: Easy (AO1) · Exam-level (AO2/AO3) · Application
• Full mark scheme with key phrases highlighted for self-assessment
• Examiner Insight box per topic (what they reward · how students lose marks)
• Ruled answer lines under every question (2 lines per mark)
• Dotted sketch boxes for diagram and graph questions
• Final revision checklist

Topics covered:

1. Biological Compounds (inorganic ions, water, carbohydrates, lipids, biochemical tests)
2. Cell Structure & Organisation (ultrastructure, prokaryotes, viruses, microscopy)
3. Cell Membranes & Transport (fluid-mosaic, diffusion, osmosis, active transport, water potential)
4. Enzymes (mechanism, rate factors, inhibitors, applications)
5. Nucleic Acids (DNA/RNA, replication, ATP, transcription, translation)
6. Cell Division (cell cycle, mitosis, meiosis, variation)
7. Proteins & Protein Structure (4 levels, globular vs fibrous, haemoglobin, collagen)