Unit 21 · Biotechnology and Genetic Modification

Question Bank

Cambridge IGCSE Biology 0610 · 70 questions

Q5Biotechnology and Genetic Modification

Why is oxygen supplied to a fermenter producing penicillin?

(a)To cool the vessel

(b)For aerobic respiration of the fungus

(c)To kill contaminants

(d)To keep the pH low

Correct answer: (b) For aerobic respiration of the fungus

Explanation: The Penicillium fungus respires aerobically, releasing energy for growth.

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