DP Biology (first assessment 2025)

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Question SPM.1A.SL.TZ0.20

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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

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