Biology 0610 · IGCSE · Anaerobic respiration

Anaerobic respiration — practice question

To investigate anaerobic respiration, two bottles are placed in a warm room, as illustrated below. Bottle P contains sugar, yeast and water. Bottle Q contains yeast and water only. After one day, what change would be seen in each balloon?

    Worked solution & mark scheme

    This 1-mark question has a full step-by-step worked solution and mark scheme.

    • Full mark scheme, point by point
    • Step-by-step worked solution
    • Write your answer & get it marked instantly by AI