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