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Cambridge IGCSE Biology practice

Paper 3 structured question: Sexual reproduction in plants

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3

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2

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Topic

Sexual reproduction in plants

Exam-style question

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Paper 3Theory (Core)2 marks

Description of flower parts and their roles in pollination and reproduction.

Description

Flower Structure and Function

An insect-pollinated flower has sepals, petals, stamens (filament and anther), and carpels (stigma, style, ovary, ovules). Each part has a specific role in protecting the flower, attracting insects, or enabling reproduction.

  1. a

    Identify the part of the flower that attracts insects.

    Aim for approximately 1 distinct marking point.

    [1]
  2. b

    State the role of the ovary in the flower.

    Aim for approximately 1 distinct marking point.

    [1]

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Paper 3 structured question: Sexual reproduction in plants

Paper 3Theory (Core)2 marks

Diagram Description

Insect-Pollinated Flower Diagram

A diagram shows an insect-pollinated flower with labels pointing to sepals, petals, stamens, filaments, anthers, carpels, style, stigma, ovary, and ovules.

  1. a

    Identify the part of the flower that produces pollen.

    Aim for approximately 1 distinct marking point.

    [1]
  2. b

    State the function of the stigma in insect-pollinated flowers.

    Aim for approximately 1 distinct marking point.

    [1]