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Cambridge IGCSE Biology practice

Paper 3 structured question: Biotechnology

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3

Paper

2

Marks

Topic

Biotechnology

Exam-style question

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Paper 3Theory (Core)2 marks

Fruit juice production involves extracting juice from fruit cells efficiently.

Description

Use of Pectinase in Fruit Juice Production

Pectinase is an enzyme used to break down pectin in fruit cell walls during juice production.

  1. a

    Describe how pectinase helps in the production of fruit juice.

    Aim for approximately 2 distinct marking points.

    [2]

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Paper 3 structured question: Biotechnology

Paper 3Theory (Core)1 marks

Description

Role of Pectinase

Pectinase is added during juice production to improve juice yield and clarity.

  1. a

    Identify one advantage of using pectinase in fruit juice production.

    Aim for approximately 1 distinct marking point.

    [1]