DP Biology (first assessment 2025)
Question SPM.1A.SL.TZ0.20
Date | May Specimen-2023 | Marks available | [Maximum mark: 1] | Reference code | SPM.1A.SL.TZ0.20 |
Level | SL | Paper | 1A | Time zone | TZ0 |
Command term | Question number | 20 | Adapted from | N/A |
20.
[Maximum mark: 1]
SPM.1A.SL.TZ0.20
Which cell is a component of the innate immune system?
A. T lymphocyte
B. Phagocyte
C. B lymphocyte
D. B memory cell
[1]
Markscheme
B
