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Cambridge IGCSE Combined Science practice

Paper 3 structured question: Leaf structure

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2

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Leaf structure

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Paper 3Theory (Core)2 marks

Understanding the structure of a dicot leaf is important for studying plant biology.

Description

Functions of Leaf Components

The dicot leaf has several components that contribute to its overall function.

  1. a

    Explain Describe the role of the cuticle and stomata in a dicot leaf.

    Aim for approximately 2 distinct marking points.

    [2]

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Paper 3 structured question: Leaf structure

Paper 3Theory (Core)3 marks

Description

Components of a Dicot Leaf

A dicot leaf contains various components including chloroplasts, cuticle, guard cells, stomata, upper and lower epidermis, palisade mesophyll, spongy mesophyll, air spaces, vascular bundles, xylem, and phloem.

  1. a

    Identify List three components of a dicot leaf and state their functions.

    Aim for approximately 3 distinct marking points.

    [3]