Question 27
Question 27 of 40
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No letter options?
Older MCQs might not have the typical A, B, C, D choices. They have choices 1, 2, 3, and a combination of them is the answer. Below is the key that maps such combinations to the answer.
A 1, 2 and 3 are correct
B 1 and 2 only are correct
C 2 and 3 only are correct
D 1 only is correct
Topics Tested
15. Drugs
15.1. Drugs

Describe a drug as any substance taken into the body that modifies or affects chemical reactions in the body

18. Variation and selecti...
18.3. Selection

Describe the development of strains of antibiotic resistant bacteria as an example of natural selection