ConceptConceptDocsDocuments

IB Biology HL 3.1.5 Spinal Cord Question Bank

Practise IB Biology HL 3.1.5 by identifying spinal-cord structures and tracing sensory pathways through the CNS during reflex coordination.

Syllabus
First assessment 2025
Course
Biology HL
Level
HL

Exam points

  • Identify spinal-cord structures and CNS regions from diagrams or descriptions of sensory pathways.
  • Locate synapses in a reflex arc and explain how the spinal cord coordinates an involuntary response.

C3.1.5—Spinal cord question 1

[Maximum number: 1]

The image shows a castor bean tick (Ixodes ricinus) which is commonly found in woodlands or forest areas. This tick can carry bacteria that cause Lyme disease in humans.

Figure for Question C3.1.5—Spinal cord question 1 — IB Biology HL

Some symptoms of Lyme disease are caused by damage to the central nervous system (CNS). State both parts of the CNS.
1.
2.

All question bank results loaded