Indicate the answer choice that best completes the statement or answers the question.
1. Microorganisms play an important role in each of the following processes except:
a. Causing infection
b. Decomposing organic material
c. O2
production
d. Food production
e. Air pollution
ANSWER: e
POINTS: 100
2. Organisms below are microbes except:
a. Saccharomyces
b. Plasmodium
c. E. coli
d. Methanogens
e. HIV
ANSWER: e
POINTS: 100
3. Disease-causing microorganisms are called ________.
a. microbes
b. bactera
c. COVID-19
d. pathogens
e. infection
ANSWER: d
POINTS: 100
4. Common commercial benefits of microorganisms include synthesis of ________.
a. riboflavin
b. acetone
c. insulin
d. ethanol
e. All of these
ANSWER: e
POINTS: 100
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