Question 43
Microorganisms and HealthWhich of the following substances cannot control the growth of harmful microoganisms?
- A.Antibiotics
- B.Hypertonic salt solution
- C.Disinfectants
- D.Isotonic sugar solution
- E.Antiseptics
Show the answer and explanation
Answer: D (Isotonic sugar solution)
Explanation
An isotonic solution has the same concentration as the microbes' cells, so it does not draw water out of them.