DP Biology (last assessment 2024)
Question 18N.1.SL.TZ0.25
Date | November 2018 | Marks available | [Maximum mark: 1] | Reference code | 18N.1.SL.TZ0.25 |
Level | SL | Paper | 1 | Time zone | TZ0 |
Command term | Deduce | Question number | 25 | Adapted from | N/A |
25.
[Maximum mark: 1]
18N.1.SL.TZ0.25
Florey and Chain’s penicillin experiments would not be compliant with current protocols on testing. How was their work out of compliance with today’s standards?
A. They did animal testing.
B. They tested on humans after animal testing with only eight mice.
C. They did not use sterile technique for culturing the bacteria.
D. They used lethal quantities of bacteria during their tests.
[1]
Markscheme
B
