BI-1451
Antibiotics
Biology · Secondary 4 · Hard · Antibiotics
A student tests four antibiotics A, B, C and D on bacteria using filter paper discs on agar. After 2 days, the diameters of the clear zones are:
A: 10 mm, 12 mm, 11 mm
B: 5 mm, 6 mm, 5 mm
C: 18 mm, 17 mm, 19 mm
D: 9 mm, 8 mm, 9 mm
Which antibiotic is most effective at preventing bacterial growth?
A: 10 mm, 12 mm, 11 mm
B: 5 mm, 6 mm, 5 mm
C: 18 mm, 17 mm, 19 mm
D: 9 mm, 8 mm, 9 mm
Which antibiotic is most effective at preventing bacterial growth?
- Antibiotic A
- Antibiotic B
- Antibiotic C
- Antibiotic D
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