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IB Biology HL 3.2.5 Phagocytes Question Bank

Practise IB Biology HL 3.2.5 by analysing phagocyte actions in infected tissues and non-specific immunity.

Syllabus
First assessment 2025
Course
Biology HL
Level
HL

Exam points

  • Analyse how phagocytes leave blood, engulf pathogens and destroy them in infected tissues.
  • Evaluate phagocytes as a non-specific immune defence rather than antibody-producing cells.

C3.2.5—Phagocytes question 1

[Maximum number: 1]

What is a feature of phagocytic white blood cells?

A

Stimulate blood clotting

B

Found only in the circulatory system

C

Form part of non-specific immunity

D

Produce antibodies

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