You can find all Edexcel Biology Unit 4 past papers and mark schemes below:

• Grade Boundaries – Edexcel Biology A2
• January 2010 MS – Unit 4 Edexcel Biology A-level
• January 2010 QP – Unit 4 Edexcel Biology A-level
• January 2011 MS – Unit 4 Edexcel Biology A-level
• January 2011 QP – Unit 4 Edexcel Biology A-level
• January 2012 MS – Unit 4 Edexcel Biology A-level
• January 2012 QP – Unit 4 Edexcel Biology A-level
• January 2013 MS – Unit 4 Edexcel Biology A-level
• January 2013 QP – Unit 4 Edexcel Biology A-level
• January 2014 (IAL) MS – Unit 4 Edexcel Biology A-level
• January 2014 (IAL) QP – Unit 4 Edexcel Biology A-level
• January 2015 (IAL) MS – Unit 4 Edexcel Biology A-level
• January 2015 (IAL) QP – Unit 4 Edexcel Biology A-level
• January 2016 (IAL) MS – Unit 4 Edexcel Biology A-level
• January 2016 (IAL) QP – Unit 4 Edexcel Biology A-level
• January 2017 (IAL) MS – Unit 4 Edexcel Biology A-level
• January 2017 (IAL) QP – Unit 4 Edexcel Biology A-level
• January 2018 (IAL) MS – Unit 4 Edexcel Biology A-level
• January 2018 (IAL) QP – Unit 4 Edexcel Biology A-level
• June 2010 MS – Unit 4 Edexcel Biology A-level
• June 2010 QP – Unit 4 Edexcel Biology A-level
• June 2011 MS – Unit 4 Edexcel Biology A-level
• June 2011 QP – Unit 4 Edexcel Biology A-level
• June 2012 MS – Unit 4 Edexcel Biology A-level
• June 2012 QP – Unit 4 Edexcel Biology A-level
• June 2013 (R) MS – Unit 4 Edexcel Biology A-level
• June 2013 (R) QP – Unit 4 Edexcel Biology A-level
• June 2013 MS – Unit 4 Edexcel Biology A-level
• June 2013 QP – Unit 4 Edexcel Biology A-level
• June 2014 (IAL) MS – Unit 4 Edexcel Biology A-level
• June 2014 (IAL) QP – Unit 4 Edexcel Biology A-level
• June 2014 (R) MS – Unit 4 Edexcel Biology A-level
• June 2014 (R) QP – Unit 4 Edexcel Biology A-level
• June 2014 MS – Unit 4 Edexcel Biology A-level
• June 2014 QP – Unit 4 Edexcel Biology A-level
• June 2015 (IAL) MS – Unit 4 Edexcel Biology A-level
• June 2015 (IAL) QP – Unit 4 Edexcel Biology A-level
• June 2015 MS – Unit 4 Edexcel Biology A-level
• June 2015 QP – Unit 4 Edexcel Biology A-level
• June 2016 (IAL) MS – Unit 4 Edexcel Biology
• June 2016 (IAL) QP – Unit 4 Edexcel Biology
• June 2016 MS – Unit 4 Edexcel Biology A-level
• June 2016 QP – Unit 4 Edexcel Biology A-level
• June 2017 (IAL) MS – Unit 4 Edexcel Biology A-level
• June 2017 (IAL) QP – Unit 4 Edexcel Biology A-level
• June 2017 MS – Unit 4 Edexcel Biology A-level
• June 2017 QP – Unit 4 Edexcel Biology A-level
• June 2018 (IAL) MS – Unit 4 Edexcel Biology A-level
• June 2018 (IAL) QP – Unit 4 Edexcel Biology A-level
• October 2017 (IAL) MS – Unit 4 Edexcel Biology A-level
• October 2017 (IAL) QP – Unit 4 Edexcel Biology A-level
• Specimen (IAL) MS – Unit 4 Edexcel Biology A-level
• Specimen (IAL) QP – Unit 4 Edexcel Biology A-level