CAIE A-Level Biology AS 11.2.5 Vaccines Questions
Explain how vaccines induce active immunity using evidence from each question and mark scheme.
- Syllabus
- 2028–2030
- Course
- Biology 9700
- Level
- AS
Exam points
- Explain how vaccines provide protection by inducing active immunity.
CAIE A-Level Biology AS 11.2.5 Vaccines Questions question 1
[Maximum number: 1]
Whooping cough is a highly infectious disease of the gas exchange system, caused by the bacterium Bordetella pertussis.
Which method provides protection to infants against whooping cough and reduces the chance of developing this disease later?
A
a short course of more than one type of antibiotic
B
a six-month course of one type of antibiotic
C
injections of antibodies specific to Bordetella pertussis
D
injections of antigens from Bordetella pertussis bacteria
D
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