| Date | May 2015 | Marks available | 1 | Reference code | 15M.1.HL.TZ1.37 |
| Level | Higher level | Paper | Paper 1 | Time zone | Time zone 1 |
| Command term | Identify | Question number | 37 | Adapted from | N/A |
Question
What is an example of active immunity?
A. Antibodies passed from the mother to fetus across the placenta
B. Antibodies produced by another organism and injected to protect against a disease
C. Antibodies passed from the mother in colostrum during breastfeeding
D. Antibodies produced after the defence mechanisms have been stimulated by antigens
Markscheme
D
Examiners report
[N/A]
