Microorganisms are used in many areas of biotechnology.
In which of the following processes, A to D, do bacteria not play an active role?
A
biogas production
B
cheese-making
C
producing penicillin
D
sewage treatment
Markscheme
Cloning and biotechnology Questions
39 exam-style questions on OCR A A Level Biology Cloning and biotechnology. Each one has a worked solution and a mark scheme showing where the marks go.