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Cambridge IGCSE Biology practice

Paper 3 structured question: Food supply

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2

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Topic

Food supply

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Paper 3Theory (Core)2 marks

Use of Chemicals and Breeding in Food Production

Description

Chemical Fertilizers and Selective Breeding

Chemical fertilizers add nutrients to soil, while selective breeding involves choosing plants or animals with desirable traits to improve production.

  1. a

    Identify two methods humans use to enhance food production from the description.

    Aim for approximately 2 distinct marking points.

    [2]

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Paper 3 structured question: Food supply

Paper 3Theory (Core)2 marks

Description

Using Agricultural Machinery

Farmers use machines such as tractors and combine harvesters to work on larger fields more quickly and efficiently.

  1. a

    Describe how using agricultural machinery helps increase food production.

    Aim for approximately 2 distinct marking points.

    [2]