You can find all WJEC Biology Unit 4 past papers and mark schemes below:
- January 2010 MS - Unit 4 WJEC Biology A-level
- January 2010 QP - Unit 4 WJEC Biology A-level
- January 2011 MS - Unit 4 WJEC Biology A-level
- January 2011 QP - Unit 4 WJEC Biology A-level
- January 2012 MS - Unit 4 WJEC Biology A-level
- January 2012 QP - Unit 4 WJEC Biology A-level
- January 2013 MS - Unit 4 WJEC Biology A-level
- January 2013 QP - Unit 4 WJEC Biology A-level
- January 2014 MS - Unit 4 WJEC Biology A-level
- January 2014 QP - Unit 4 WJEC Biology A-level
- June 2010 MS - Unit 4 WJEC Biology A-level
- June 2010 QP - Unit 4 WJEC Biology A-level
- June 2011 MS - Unit 4 WJEC Biology A-level
- June 2011 QP - Unit 4 WJEC Biology A-level
- June 2012 MS - Unit 4 WJEC Biology A-level
- June 2012 QP - Unit 4 WJEC Biology A-level
- June 2013 MS - Unit 4 WJEC Biology A-level
- June 2013 QP - Unit 4 WJEC Biology A-level
- June 2014 MS - Unit 4 WJEC Biology A-level
- June 2014 QP - Unit 4 WJEC Biology A-level
- June 2015 MS - Unit 4 WJEC Biology A-level
- June 2015 QP - Unit 4 WJEC Biology A-level
- June 2016 MS - Unit 4 WJEC Biology A-level
- June 2016 QP - Unit 4 WJEC Biology A-level