Cambridge IGCSE Biology practice

Paper 4 structured question: Biotechnology

Try the question first, then check the answer and practise the same topic again.

At a glance

Paper

Marks

Topic

Biotechnology

Exam-style question

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Paper 4Theory (Extended)2 marks

Microorganisms like bacteria and fungi are used in fermenters to produce products beneficial to humans.

Description

Insulin is produced by bacteria, penicillin by fungi, and mycoprotein by fungi grown in fermenters.

a
Identify one product made by bacteria and one product made by fungi in fermenters.
Your answer
Aim for approximately 2 distinct marking points.
[2]

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Paper 4Theory (Extended)3 marks

Description

A fermenter provides a controlled environment where microorganisms can grow rapidly and produce products like insulin, penicillin, and mycoprotein.

a
Describe how fermenters help in the mass production of useful products by bacteria and fungi.
Your answer
Aim for approximately 3 distinct marking points.
[3]