Biology 5090 · O Level · Anaerobic respiration

Anaerobic respiration — practice question

As cheese is produced, the pH of milk decreases and this makes the milk proteins coagulate. What is the principal reason for the pH becoming lower?

  • Aaerobic respiration by bacteria
  • Baerobic respiration by yeast
  • Canaerobic respiration by bacteria
  • Danaerobic respiration by yeast

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