Exam-style question
Try this first
If two antibiotic discs produce clear zones with measured areas of 153 mm² and 78.5 mm², which is more effective?.
- A.The one with 153 mm² area
- B.The one with 78.5 mm² area
- C.Both are equally effective
- D.Effectiveness cannot be compared using area
Answer and explanation
Attempt the question first, then reveal the model answer and explanation.
Common mistake
No common mistake is linked to this question yet.