The four boxes on the left give definitions of processes that occur in the alimentary canal. The six boxes on the right list the names of those processes.
(a)[4]
Join each definition to the correct process with a straight line. Use only four lines.
(b(i))[1]
State the name of the process that the yeast uses to make alcohol.
(b(ii))[1]
State the name of the gas produced when yeast makes alcohol.
(b(iii))[1]
State the name of the gas that must be stopped from entering the jar when alcohol is being made.
(b(iv))[1]
State the name of the group of chemicals that yeast uses to catalyse the breakdown of glucose molecules.
Worked solution & mark scheme
This 8-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Absorption: movement of digested food molecules through the wall of the intestine into the blood” …