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Cambridge IGCSE Biology practice

Paper 3 structured question: Aerobic respiration

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3

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2

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Aerobic respiration

Exam-style question

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Paper 3Theory (Core)2 marks

Cells need energy to perform various functions. Aerobic respiration is one way cells obtain this energy by using oxygen to break down nutrients.

Description

Energy Release in Cells

Aerobic respiration is a chemical process where oxygen helps break down nutrients to release energy inside cells.

  1. a

    State two waste products produced during aerobic respiration.

    Aim for approximately 2 distinct marking points.

    [2]

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Paper 3 structured question: Aerobic respiration

Paper 3Theory (Core)2 marks

Description

Aerobic Respiration

Aerobic respiration involves oxygen reacting with nutrient molecules inside cells to release energy necessary for cellular activities.

  1. a

    Describe what happens during aerobic respiration in cells.

    Aim for approximately 2 distinct marking points.

    [2]