There are full sets of 2018 past papers and GCSE specimen papers available for Twenty First Century Combined Science available from Teach Cambridge.
In addition, the following past papers and practice paper resources are available:
- Twenty First century Science Suite J257, J258, J259 and J260 year 10 practice papers
- Twenty First century Science Suite J257, J258, J259 and J260 year 11 practice papers
The OCR ExamBuilder is an online service that allows teachers to build their own assessments using a bank of reformed and legacy Twenty First century Science Suite questions from the June 2014 series up to the most recent but one reformed assessment series. OCR ExamBuilder holds thousands of individual questions with mark schemes. You can register to create your own OCR ExamBuilder account on the OCR website.