While Year 11 and 12 pupils prepare to tackle both GCSE and BTec exams this week, FEMAIL have put together a range of tricky GCSE questions from a variety of subjects to test your knowledge.

Practise your GCSE combined science exam skills There are ten exam-style questions covering topics including exothermic reactions and microscopes. These questions should take 5-10 minutes to complete.

More info We have put together nine GCSE science questions - three Biology, three Chemistry and three Physics - taken from real foundation tier (maximum grade 5) past papers issued by exam board AQA.