Verified Answers
1) Microorganisms are involved in each of the following processes EXCEPT
A) infection.
B) decomposition of organic material.
C) O2 production.
D) food production.
E) smog production. - Ans -Answer: E smog production.
2) Each of the following organisms would be considered a microbe EXCEPT
A) yeast.
B) protozoan.
C) bacterium.
D) mushroom.
E) virus. - Ans -Answer: D mushroom.
3) The term used to describe a disease-causing microorganism is
A) microbe.
B) bacterium.
C) virus.
D) pathogen.
E) infection. - Ans -Answer: D pathogen.
4) Common commercial benefits of microorganisms include synthesis of
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A) antibiotics.
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,B) aspirin.
C) insulin.
D) antibiotics and aspirin.
E) antibiotics and insulin. - Ans -Answer: E
5) Commercial utilization of microbial products has become increasingly popular due to
their environmentally friendly nature. Removal of these products from the environment
typically utilizes
A) enzymes.
B) organic acids.
C) organic solvents.
D) soap.
E) alcohol. - Ans -Answer: A
6) The formal system for classifying and naming organisms was developed by
A) Robert Koch.
B) Ignaz Semmelweis.
C) Aristotle.
D) Carolus Linnaeus.
E) Louis Pasteur. - Ans -Answer: D
7) In the name Staphylococcus aureus, aureus is the
A) genus.
B) domain name.
C) specific name.
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D) kingdom.
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, E) family name. - Ans -Answer: C
8) A prokaryotic cell may possess each of the following cellular components EXCEPT
A) flagella.
B) a nucleus.
C) ribosomes.
D) a cell wall.
E) a cell membrane. - Ans -Answer: B
9) Which of the following is NOT associated with viruses?
A) organelles
B) nucleic acid
C) envelope
D) spikes
E) capsid - Ans -Answer: A
Figure 1.1
10) The bacterial shape of the cells in Figure 1.1 would best be described as
A) bacillus.
B) spiral.
C) coccus.
D) ovoid.
E) columnar. - Ans -Answer: A
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