Microbiology Final Updated Actual Questions and Correct
Answers (2026-2027)
Question 1.
1. If a large outbreak of food poisoning occurred in the United States, epidemiologists from
which governmental agency would be involved in collecting data and determining the
source of the infections?
Correct Answer: CDC
Question 2.
2. Global pandemics are tracked by epidemiologists at the _______.
Correct Answer: WHO
Question 3.
3. Our understanding of epidemiology has led to a decreased mortality rate from infectious
disease, but there are still infectious diseases in the list of top ten causes of death.
Correct Answer: TRUE
Question 4.
4. From 1900 to 2000, the development of antibiotics and vaccination campaigns had the
largest impact on the mortality rate from infectious disease.
Correct Answer: FALSE
Question 5.
1. Which of the following are examples of biotechnology? (NOTE: Please change all
question marks to checkmarks for correct answers or empty boxes for incorrect answers.)
Correct Answer: Beer and wine production Bioremediation Recombinant DNA
technology Development of biofuels
Question 6.
2. Genetic engineering has been done on microbes and plants, but not on animals yet.
Correct Answer: FALSE
Question 7.
3. What 20th-century discovery has been instrumental to the field of genetic engineering
by allowing researchers to cut and splice specific DNA fragments into microorganisms?
Correct Answer: Restriction enzymes
,Question 8.
4. Human proteins, such as insulin and hemoglobin, can be produced by yeast or bacteria.
Correct Answer: TRUE
Question 9.
1. Where is E. coli commonly found in the human body?
Correct Answer: The intestines
Question 10.
2. E. coli is an important part of healthy human body, but some strains are pathogenic and
cause diarrheal illness.
Correct Answer: STEC
Question 11.
4. What virulence factor(s) is/are produced by this pathogenic type of E. coli (from
question 3)?
Correct Answer: Shiga toxin
Question 12.
5. Most recent outbreaks of foodborne illness caused by E. coli have been linked to which
two of the following? (NOTE: Please change all question marks to checkmarks for correct
answers or empty boxes for incorrect answers.)
Correct Answer: Meat Produce
Question 13.
6. Which of the following are important ways to prevent infection with pathogenic E. coli?
(NOTE: Please change all question marks to checkmarks for correct answers or empty
boxes for incorrect answers.)
Correct Answer: Hand washing Washing all produce before eating Cooking
meats thoroughly Using different cutting boards designated for certain food
types
,Question 14.
Assess the following statements, and classify them according to whether they refer to viral
particles or living cells.
Correct Answer:
Question 15.
Move the terms into the correct empty boxes to complete thephoto concept map.
Correct Answer:
, Question 16.
Label the image to test your understanding of the current taxonomic system that first
separates organisms into one of three domains.
Correct Answer:
Question 17.
Drag the images and/or statements to their corresponding class to test your understanding
of the main types of microbes.
Correct Answer:
Answers (2026-2027)
Question 1.
1. If a large outbreak of food poisoning occurred in the United States, epidemiologists from
which governmental agency would be involved in collecting data and determining the
source of the infections?
Correct Answer: CDC
Question 2.
2. Global pandemics are tracked by epidemiologists at the _______.
Correct Answer: WHO
Question 3.
3. Our understanding of epidemiology has led to a decreased mortality rate from infectious
disease, but there are still infectious diseases in the list of top ten causes of death.
Correct Answer: TRUE
Question 4.
4. From 1900 to 2000, the development of antibiotics and vaccination campaigns had the
largest impact on the mortality rate from infectious disease.
Correct Answer: FALSE
Question 5.
1. Which of the following are examples of biotechnology? (NOTE: Please change all
question marks to checkmarks for correct answers or empty boxes for incorrect answers.)
Correct Answer: Beer and wine production Bioremediation Recombinant DNA
technology Development of biofuels
Question 6.
2. Genetic engineering has been done on microbes and plants, but not on animals yet.
Correct Answer: FALSE
Question 7.
3. What 20th-century discovery has been instrumental to the field of genetic engineering
by allowing researchers to cut and splice specific DNA fragments into microorganisms?
Correct Answer: Restriction enzymes
,Question 8.
4. Human proteins, such as insulin and hemoglobin, can be produced by yeast or bacteria.
Correct Answer: TRUE
Question 9.
1. Where is E. coli commonly found in the human body?
Correct Answer: The intestines
Question 10.
2. E. coli is an important part of healthy human body, but some strains are pathogenic and
cause diarrheal illness.
Correct Answer: STEC
Question 11.
4. What virulence factor(s) is/are produced by this pathogenic type of E. coli (from
question 3)?
Correct Answer: Shiga toxin
Question 12.
5. Most recent outbreaks of foodborne illness caused by E. coli have been linked to which
two of the following? (NOTE: Please change all question marks to checkmarks for correct
answers or empty boxes for incorrect answers.)
Correct Answer: Meat Produce
Question 13.
6. Which of the following are important ways to prevent infection with pathogenic E. coli?
(NOTE: Please change all question marks to checkmarks for correct answers or empty
boxes for incorrect answers.)
Correct Answer: Hand washing Washing all produce before eating Cooking
meats thoroughly Using different cutting boards designated for certain food
types
,Question 14.
Assess the following statements, and classify them according to whether they refer to viral
particles or living cells.
Correct Answer:
Question 15.
Move the terms into the correct empty boxes to complete thephoto concept map.
Correct Answer:
, Question 16.
Label the image to test your understanding of the current taxonomic system that first
separates organisms into one of three domains.
Correct Answer:
Question 17.
Drag the images and/or statements to their corresponding class to test your understanding
of the main types of microbes.
Correct Answer: