General Microbiology — MCQs Biology

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1. Microbiology is the study of:





2. Bacteria are classified as:





3. The study of viruses is called:





4. Fungi are:





5. The scientist who first observed microorganisms was:





6. Bacterial cell wall contains:





7. Gram-positive bacteria stain:





8. Gram-negative bacteria stain:





9. Bacteria reproduce mainly by:





10. Endospores are:





11. The medium used to grow bacteria is called:





12. Pure culture contains:





13. The streak plate method is used for:





14. Aseptic technique prevents:





15. Louis Pasteur is known for:





16. Robert Koch is famous for:





17. Bacterial shapes include:





18. Cocci are:





19. Bacilli are:





20. Spirilla are:





21. Bacterial motility is facilitated by:





22. Bacterial pili are used for:





23. Facultative anaerobes:





24. Obligate anaerobes:





25. Obligate aerobes:





26. Autotrophic bacteria obtain energy from:





27. Heterotrophic bacteria obtain energy from:





28. Antibiotics are produced by:





29. Penicillin is produced by:





30. Microbial fermentation is used in:





31. Lactic acid bacteria are used in:





32. Microorganisms that can survive extreme conditions are called:





33. Thermophiles grow best at:





34. Psychrophiles grow best at:





35. Halophiles grow best in:





36. Microbial pathogens cause:





37. Endotoxins are:





38. Exotoxins are:





39. Microbial biofilms are:





40. Koch’s postulates are used to:





41. Normal microbiota refers to:





42. Microorganisms used in sewage treatment are called:





43. Bacteriophages are:





44. Microbial transformation of organic matter into methane is called:





45. Antibiotic resistance occurs due to:





46. Aseptic techniques include:





47. Anaerobic bacteria grow in:





48. Microbial nitrogen fixation converts:





49. Microbes in biotechnology are used for:





50. General microbiology is important for:





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