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Cambridge IGCSE Biology practice

Paper 3 structured question: Sense organs

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Sense organs

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Paper 3Theory (Core)1 marks

Sense organs contain groups of receptor cells that respond to specific stimuli.

Description

Sense Organs and Stimuli

Different sense organs contain receptor cells that detect stimuli such as light, sound, touch, temperature, and chemicals.

  1. a

    State what sense organ contains receptor cells that respond to light?

    Aim for approximately 1 distinct marking point.

    [1]

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Paper 3 structured question: Sense organs

Paper 3Theory (Core)2 marks

Description

Receptor Cells and Stimuli

Receptor cells in different sense organs respond to specific types of stimuli such as light, sound, touch, temperature, and chemicals.

  1. a

    Describe how receptor cells in sense organs help organisms detect changes in their environment.

    Aim for approximately 2 distinct marking points.

    [2]