| Date | May 2021 | Marks available | 1 | Reference code | 21M.1.SL.tz0.5 |
| Level | Standard Level | Paper | Paper 1 | Time zone | time zone 0 |
| Command term | Question number | 5 | Adapted from | N/A |
Question
Which statement(s) about the functions of the conducting airways is/are correct?
I. Provide a low resistance pathway for airflow
II. Provide a site for gaseous exchange
III. Warm and moisten the air
A. I and II only
B. I and III only
C. II and III only
D. I, II and III
Markscheme
B
Examiners report
Low-difficulty question (47.05 % correctly answered). Answer D was a very strong distractor.
