Biology 5090 · O Level · Anaerobic respiration

Anaerobic respiration — practice question

Four flasks are sterilised and arranged as shown. Which flask will show evidence of fermentation (anaerobic respiration) after one hour?

    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