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Cambridge IGCSE Combined Science practice

Paper 4 structured question: Photosynthesis

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Photosynthesis

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Paper 4Theory (Extended)2 marks

The balanced equation for photosynthesis is essential for understanding the process.

Description

Balanced Equation

The equation for photosynthesis is: 6CO2 + 6H2O → C6H12O6 + 6O2.

  1. a

    Explain the significance of the balanced equation for photosynthesis.

    Aim for approximately 2 distinct marking points.

    [2]

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Paper 4 structured question: Photosynthesis

Paper 4Theory (Extended)4 marks

Description

Photosynthesis Overview

Photosynthesis occurs in green plants, algae, and some bacteria. It converts light energy into chemical energy stored in glucose.

  1. a

    Describe the process of photosynthesis and its importance to life on Earth.

    Aim for approximately 4 distinct marking points.

    [4]