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Cambridge IGCSE Combined Science practice

Paper 3 structured question: Xylem and phloem

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4

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Xylem and phloem

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Paper 3Theory (Core)4 marks

Understanding plant transport systems is essential for biology.

Description

Plant Transport Systems

Xylem and phloem are vital for the movement of substances in plants. Xylem carries water and minerals, while phloem distributes nutrients like sucrose.

  1. a

    Explain the importance of xylem and phloem in plant health.

    Aim for approximately 4 distinct marking points.

    [4]

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Paper 3 structured question: Xylem and phloem

Paper 3Theory (Core)3 marks

Description

Transport in Plants

Xylem and phloem are two types of vascular tissue in plants. Xylem transports water and minerals from the roots, while phloem transports sugars and amino acids from the leaves to other parts of the plant.

  1. a

    Describe the roles of xylem and phloem in plants.

    Aim for approximately 3 distinct marking points.

    [3]