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Date November 2018 Marks available 1 Reference code 18N.1.SL.TZ0.25
Level Standard level Paper Paper 1 Time zone TZ0 / no time zone
Command term Deduce Question number 25 Adapted from N/A

Question

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.

Markscheme

B

Examiners report

[N/A]

Syllabus sections

Core » Topic 6: Human physiology » 6.3 Defence against infectious disease
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