Microbiology Exam 1 (Chapter
1,3,4,5,6) Questions and Answers |
Latest Version | 2025/2026 | Correct &
Verified
What is microbiology?
✔✔ The study of microorganisms and their activities
What are microorganisms?
✔✔ Living organisms too small to be seen without a microscope
Which groups are considered microorganisms?
✔✔ Bacteria, archaea, fungi, protozoa, algae, and viruses
Who is known as the father of microbiology?
✔✔ Antonie van Leeuwenhoek
What tool allowed early scientists to observe microorganisms?
✔✔ The microscope
What is the germ theory of disease?
✔✔ The idea that microorganisms cause disease
1
,Who proposed the germ theory of disease?
✔✔ Louis Pasteur
What experiment disproved spontaneous generation?
✔✔ Pasteur’s swan-neck flask experiment
What is spontaneous generation?
✔✔ The belief that life arises from nonliving matter
What is biogenesis?
✔✔ The concept that living organisms come from other living organisms
What is sterilization?
✔✔ The complete removal or destruction of all microorganisms
What is aseptic technique?
✔✔ Methods used to prevent contamination by microorganisms
What is a pathogen?
✔✔ A microorganism capable of causing disease
What is normal microbiota?
2
,✔✔ Microorganisms that normally live on or in the human body
How do normal microbiota benefit humans?
✔✔ They protect against pathogens and aid in digestion
What is a nosocomial infection?
✔✔ An infection acquired in a healthcare setting
What is epidemiology?
✔✔ The study of how diseases spread in populations
What is morphology in microbiology?
✔✔ The study of microbial shape and structure
What are the three basic bacterial shapes?
✔✔ Cocci, bacilli, and spirilla
What does “cocci” describe?
✔✔ Spherical-shaped bacteria
What does “bacilli” describe?
✔✔ Rod-shaped bacteria
3
, What does “spirilla” describe?
✔✔ Spiral-shaped bacteria
What is a prokaryotic cell?
✔✔ A cell without a nucleus or membrane-bound organelles
Which organisms are prokaryotes?
✔✔ Bacteria and archaea
What is a eukaryotic cell?
✔✔ A cell with a nucleus and membrane-bound organelles
Which microorganisms are eukaryotic?
✔✔ Fungi, protozoa, and algae
What is the function of the bacterial cell wall?
✔✔ To provide shape and protection
What molecule is found in bacterial cell walls?
✔✔ Peptidoglycan
4
1,3,4,5,6) Questions and Answers |
Latest Version | 2025/2026 | Correct &
Verified
What is microbiology?
✔✔ The study of microorganisms and their activities
What are microorganisms?
✔✔ Living organisms too small to be seen without a microscope
Which groups are considered microorganisms?
✔✔ Bacteria, archaea, fungi, protozoa, algae, and viruses
Who is known as the father of microbiology?
✔✔ Antonie van Leeuwenhoek
What tool allowed early scientists to observe microorganisms?
✔✔ The microscope
What is the germ theory of disease?
✔✔ The idea that microorganisms cause disease
1
,Who proposed the germ theory of disease?
✔✔ Louis Pasteur
What experiment disproved spontaneous generation?
✔✔ Pasteur’s swan-neck flask experiment
What is spontaneous generation?
✔✔ The belief that life arises from nonliving matter
What is biogenesis?
✔✔ The concept that living organisms come from other living organisms
What is sterilization?
✔✔ The complete removal or destruction of all microorganisms
What is aseptic technique?
✔✔ Methods used to prevent contamination by microorganisms
What is a pathogen?
✔✔ A microorganism capable of causing disease
What is normal microbiota?
2
,✔✔ Microorganisms that normally live on or in the human body
How do normal microbiota benefit humans?
✔✔ They protect against pathogens and aid in digestion
What is a nosocomial infection?
✔✔ An infection acquired in a healthcare setting
What is epidemiology?
✔✔ The study of how diseases spread in populations
What is morphology in microbiology?
✔✔ The study of microbial shape and structure
What are the three basic bacterial shapes?
✔✔ Cocci, bacilli, and spirilla
What does “cocci” describe?
✔✔ Spherical-shaped bacteria
What does “bacilli” describe?
✔✔ Rod-shaped bacteria
3
, What does “spirilla” describe?
✔✔ Spiral-shaped bacteria
What is a prokaryotic cell?
✔✔ A cell without a nucleus or membrane-bound organelles
Which organisms are prokaryotes?
✔✔ Bacteria and archaea
What is a eukaryotic cell?
✔✔ A cell with a nucleus and membrane-bound organelles
Which microorganisms are eukaryotic?
✔✔ Fungi, protozoa, and algae
What is the function of the bacterial cell wall?
✔✔ To provide shape and protection
What molecule is found in bacterial cell walls?
✔✔ Peptidoglycan
4
