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IB Biology SL C3.1.4 Brain As Information Integration Organ Questions

Explore hypothalamus, cerebellum and medulla functions, decision-making, visual integration and fMRI or pupil-reflex evidence in IB Biology SL C3.1.4.

Syllabus
First assessment 2025
Course
Biology SL
Level
SL

Exam points

  • Identify the hypothalamus, cerebellum and medulla/brain stem on brain diagrams and state their scored roles in appetite, coordination, balance and involuntary control.
  • Explain decision-making or contralateral visual processing as integration of excitatory/inhibitory synapses or crossed optic pathways in the cerebral hemispheres.
  • Explain how fMRI, pupil-reflex testing or regional activation evidence reveals brain function and damage.

IB Biology SL C3.1.4 Brain As Information Integration Organ Questions question 1

[Maximum number: 1]

The fMRI scan shows a human brain.

Figure for Question IB Biology SL C3.1.4 Brain As Information Integration Organ Questions question 1 — IB Biology SL

On the diagram, label the cerebellum.

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