Microbiology MCQs (Quiz 10) Posted on June 9, 2026June 10, 2026Author agropublishers 0 1. _____________________ is the branch of microbiology that deals with the study of fungi Bacteriology Mycology Parasitology Virology 2. In microorganisms, enzyme photolyase is involved in _______________ Cell wall synthesis Repair of thymine dimers Protein degradation ATP production 3. Which of the following diseases has been greatly reduced through chlorination of water supplies? Malaria Rabies Cholera Influenza 4. Viruses are best described as _______________ Prokaryotic cells Eukaryotic cells Single-celled organisms Acellular infectious agents 5. Considering microorganisms, filtration is particularly useful for sterilizing ____________ Glassware Metal instruments Heat-sensitive liquids Culture media containing agar 6. The active ingredient in most household bleach products is _____________ Ethanol Hydrogen peroxide Phenol Sodium hypochlorite 7. Prokaryotic ribosomes differ from eukaryotic ribosomes because prokaryotes possess _____________ 50S ribosomes 30S ribosomes 70S ribosomes 80S ribosomes 8. If agar were highly reactive with medium components, what would be a likely consequence in microbiology? Complete inhibition of colony formation Difficulty interpreting microbial growth responses Increased melting temperature Improved sterilization efficiency 9. The protein coat surrounding viral nucleic acid is called the _____________ Cell wall Nucleoid Envelope Capsid 10. Which statement correctly describes agar’s thermal properties? Melts at 37°C and solidifies at 20°C Melts and solidifies at the same temperature Melts at 42°C and solidifies at 100°C Melts near 85–100°C and solidifies near 40–45°C Loading … Question 1 of 10 Microbiology MCQs (Quiz 10)