During the process of bread-making, yeast is mixed with dough and kept in warm, anaerobic conditions to allow the mixture to rise.
Write the word equation for anaerobic respiration in yeast.
Describe a chemical test, including the expected positive result, to identify the gas responsible for causing the dough to rise.
10 exam-style questions on Edexcel IGCSE Biology Respiration. Each one has a worked solution and a mark scheme showing where the marks go.