Question Detail

MIC 121 Laboratory safety and ethics in microbiology Objective Question

Question

Which sterilisation method is suitable for heat-sensitive liquids and removes bacteria and fungi, but allows viruses to pass through?
Options
A Autoclaving
B Dry Heat
C 1% Sodium Hypochlorite
D Membrane Filtration (0.22 µm)
Correct Answer
Correct Answer

Option D is the correct answer.

Detailed Explanation

Page 18, under 'Membrane Filtration (0.22 µm),' describes this method as sterilising 'heat-sensitive liquids (serum, enzymes, antibiotics). Removes bacteria and fungi; viruses pass through.'

Hint

This method physically separates particles based on size.

Question Info