CAIE A-Level Biology AS 11.2.4 Types of Immunity Questions
Explain active and passive immunity using evidence from each question and mark scheme.
- Syllabus
- 2028–2030
- Course
- Biology 9700
- Level
- AS
Explain active and passive immunity using evidence from each question and mark scheme.
Which type of immunity does a baby have at birth?
active artificial
active natural
passive artificial
passive natural
D