Notes || Questions by Topic || Past Papers
This page is for GCE from 2008. If you started your course in September 2015 or later, you need the new OCR (A) Biology (2015) or OCR (B) Biology (2015) pages.
Notes:
1. Communication and Homeostasis
- Animal Hormones and Hormone Action
- Answering Exam Questions on Neurones and Synapses
- Blood Sugar and its Control
- Control of the Human Heart
- Data Interpretation Questions - Temperature Regulation
- Diabetes - Management or Cure
- Feedback Control Mechanisms
- Negative Feedback Mechanisms
- Nerves & Synapses
- The Control of Body Temperature
2. Excretion
- Answering Exam Questions - Kidney problems
- Answering Exam Questions on the Kidney
- Excretion
- The Kidney Excretion and Osmoregulation
- The Role of the Liver in Homeostasis
3. Photosynthesis
- Pigments in Plants
- Practical Investigations For Photosynthesis
- Tackling Data Interpretation Questions II - Photosynthesis
- The Essential Guide to Photosynthesis
- The Light Dependent Stage of Photosynthesis
4. Respiration
- ATP - What it is, What it does
- Answering Exam Questions on Respiration
- Chloroplasts and Mitochondria
- Respiration
Questions by Topic:
- 4.1 Communication MS
- 4.1 Communication
- 4.2 Excretion MS
- 4.2 Excretion
- 4.3 Photosynthesis MS
- 4.3 Photosynthesis
- 4.4 Respiration MS
- 4.4 Respiration
- Mixed Unit 4 MS
- Mixed Unit 4
Past Papers:
- Grade Boundaries - OCR Biology A2
- January 2010 MS - Unit 4 OCR Biology A-level
- January 2010 QP - Unit 4 OCR Biology A-level
- January 2011 MS - Unit 4 OCR Biology A-level
- January 2011 QP - Unit 4 OCR Biology A-level
- January 2012 MS - Unit 4 OCR Biology A-level
- January 2012 QP - Unit 4 OCR Biology A-level
- January 2013 MS - Unit 4 OCR Biology A-level
- January 2013 QP - Unit 4 OCR Biology A-level
- June 2010 MS - Unit 4 OCR Biology A-level
- June 2010 QP - Unit 4 OCR Biology A-level
- June 2011 INS - Unit 4 OCR Biology A-level
- June 2011 MS - Unit 4 OCR Biology A-level
- June 2011 QP - Unit 4 OCR Biology A-level
- June 2012 MS - Unit 4 OCR Biology A-level
- June 2012 QP - Unit 4 OCR Biology A-level
- June 2013 MS - Unit 4 OCR Biology A-level
- June 2013 QP - Unit 4 OCR Biology A-level
- June 2014 MS - Unit 4 OCR Biology A-level
- June 2014 QP - Unit 4 OCR Biology A-level
- June 2015 MS - Unit 4 OCR Biology A-level
- June 2015 QP - Unit 4 OCR Biology A-level
- June 2016 MS - Unit 4 OCR Biology A-level
- June 2016 QP - Unit 4 OCR Biology A-level
