Microbiology Chapter 1 (Exam 1) Questions
with Correct Answers 2026
What are microorganisms? - CORRECT ANSWER -Organisms that are too small to be seen with
the unaided eye
What are microbes essential for? It's an food and O2 generating process that is critical to life on
earth - CORRECT ANSWER -Photosynthesis
What types of fermented foods do microbes produce? - CORRECT ANSWER --Vinegar
-Cheese
-Bread
What kinds of chemicals do microbes produce? - CORRECT ANSWER --Ethanol
-Acetone
-Vitamins
-Organic acids
-Enzymes
Microbes produce products used in _________ (e.g., cellulase) and _______ _____________
(e.g., insulin) - CORRECT ANSWER -Manufacturing
Disease treatment
A few microbes are "pathogenic." What does this mean? - CORRECT ANSWER -Disease-causing
What do microbes decompose? - CORRECT ANSWER -Organic waste
, Who established the system of scientific nomenclature? - CORRECT ANSWER -Linnaeus
Each organism has how many words in its name?
What are the names of them?
Capitalized or not? - CORRECT ANSWER -Two
Genus (always capitalized)
Species (never capitalized)
What is the main rule (2 parts) with scientific naming of microorganisms? - CORRECT ANSWER -
They need to be italicized and underlined
What is the important abbreviation rule for names of microorganisms? - CORRECT ANSWER -
After you use the name once spelled out fully, you can then abbreviate the first initial of the
genus and then write out the species. Still italicized and underlined
What are the 7 types of microorganisms we discuss? - CORRECT ANSWER -1. Bacteria
2. Archaea
3. Fungi
4. Protozoa
5. Algae
6. Viruses
7. Multicellular animal parasites
Bacteria Characteristics
-Unicellular or multicellular? (Single-celled or many)
-Prokaryotes or eukaryotes? (Nucleus or no nucleus)
-Cell walls? If so, what kind?
with Correct Answers 2026
What are microorganisms? - CORRECT ANSWER -Organisms that are too small to be seen with
the unaided eye
What are microbes essential for? It's an food and O2 generating process that is critical to life on
earth - CORRECT ANSWER -Photosynthesis
What types of fermented foods do microbes produce? - CORRECT ANSWER --Vinegar
-Cheese
-Bread
What kinds of chemicals do microbes produce? - CORRECT ANSWER --Ethanol
-Acetone
-Vitamins
-Organic acids
-Enzymes
Microbes produce products used in _________ (e.g., cellulase) and _______ _____________
(e.g., insulin) - CORRECT ANSWER -Manufacturing
Disease treatment
A few microbes are "pathogenic." What does this mean? - CORRECT ANSWER -Disease-causing
What do microbes decompose? - CORRECT ANSWER -Organic waste
, Who established the system of scientific nomenclature? - CORRECT ANSWER -Linnaeus
Each organism has how many words in its name?
What are the names of them?
Capitalized or not? - CORRECT ANSWER -Two
Genus (always capitalized)
Species (never capitalized)
What is the main rule (2 parts) with scientific naming of microorganisms? - CORRECT ANSWER -
They need to be italicized and underlined
What is the important abbreviation rule for names of microorganisms? - CORRECT ANSWER -
After you use the name once spelled out fully, you can then abbreviate the first initial of the
genus and then write out the species. Still italicized and underlined
What are the 7 types of microorganisms we discuss? - CORRECT ANSWER -1. Bacteria
2. Archaea
3. Fungi
4. Protozoa
5. Algae
6. Viruses
7. Multicellular animal parasites
Bacteria Characteristics
-Unicellular or multicellular? (Single-celled or many)
-Prokaryotes or eukaryotes? (Nucleus or no nucleus)
-Cell walls? If so, what kind?
