CourseCourseConceptConceptDocsDocuments

IB Biology SL C3.2.4 Innate Vs Adaptive Immune System Questions

Explore how phagocyte and barrier responses differ from acquired lymphocyte and antibody responses, using specificity and immune-memory evidence in IB Biology SL C3.2.4.

Syllabus
First assessment 2025
Course
Biology SL
Level
SL

Exam points

  • Distinguish innate immunity as a broad, rapid defence present from birth that does not become more specific, from adaptive immunity as an acquired response targeted to particular antigens or pathogens.
  • Use immune-response evidence to identify adaptive specificity and memory in lymphocyte or antibody responses, contrasted with non-specific phagocyte and barrier defences.

Learn this topic

Study C3.2.4—Innate vs. adaptive immune system conceptsOpen the corresponding Concept lesson for explanations, examples and exam connections.

IB Biology SL C3.2.4 Innate Vs Adaptive Immune System Questions question 1

[Maximum number: 1]

Which cell type is part of the innate immune system?

A

Phagocytes

B

B-lymphocytes

C

T-lymphocytes

D

Helper T-cells

All question bank results loaded