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Cambridge IGCSE Combined Science practice

Paper 3 structured question: Photosynthesis

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4

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Photosynthesis

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Paper 3Theory (Core)4 marks

Chlorophyll's role in the ecosystem.

Description

Chlorophyll and Ecosystems

Chlorophyll is crucial for plant growth and supports the food chain through photosynthesis.

  1. a

    Discuss the role of chlorophyll in supporting life on Earth.

    Aim for approximately 4 distinct marking points.

    [4]

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Paper 3 structured question: Photosynthesis

Paper 3Theory (Core)2 marks

Description

Role of Chlorophyll

Chlorophyll is a green pigment located in chloroplasts that absorbs light energy for photosynthesis.

  1. a

    Explain the importance of chlorophyll in photosynthesis.

    Aim for approximately 2 distinct marking points.

    [2]