Question 1

Which of the following is considered a microbe but NOT a microorganism?

Accepted Answer

SARS-CoV-2 (Covid-19 virus)

Question 2

Which scientist was the first to visualize and depict a microorganism, describing a bread mold as a 'microscopical mushroom'?

Accepted Answer

Robert Hooke

Question 3

Which of the following groups is composed of prokaryotic organisms?

Accepted Answer

Archaea

Question 4

Which of the following is NOT a characteristic of bacteria?

Accepted Answer

All have the same shape

Question 5

Which of the following kingdoms is NOT part of the Eukaryotic Domain?

Accepted Answer

Kingdom Eubacteria

Question 6

Which of the following statements about viruses is TRUE?

Accepted Answer

Viruses contain both protein and nucleic acids

Question 7

Which of the following is a beneficial activity of microorganisms?

Accepted Answer

All of the above

Question 8

Which of the following is an example of bioremediation?

Accepted Answer

Using oil-degrading bacteria to clean up an oil spill

Question 9

Which of the following statements about the cell theory is FALSE?

Accepted Answer

All cells arise spontaneously

Question 10

A scientist observes that even after sterilizing a broth, cells reappear in the broth over time. The scientist then asks: “Why do cells reappear in the broth after sterilization?” and designs/conducts an experiment. Which of the following is a hypothesis?

Accepted Answer

Cells appear only when preexisting cells grow & divide; therefore, cells only appear in exposed broths

Question 11

Which of the following is the correct way to format the scientific name of an organism?

Accepted Answer

Staphylococcus epidermidis

Question 12

Which of the following is considered an acellular infectious agent?

Accepted Answer

Viruses

Question 13

Which of the following statements about acellular infectious agents is FALSE?

Accepted Answer

Acellular infectious agents are considered the smallest forms of parasitic life

Question 14

Which of the following is true of the normal human microbiota?

Accepted Answer

It consists of trillions of microorganisms living on and in the human body that have a beneficial role in human health

Question 15

Which of the following is a characteristic of fungi but NOT plants?

Accepted Answer

Harvest energy from organic materials containing carbon and hydrogen

Question 16

Which of the following best describes the role of nitrogen-fixing bacteria in the environment?

Accepted Answer

They convert atmospheric $$N_2$$ into forms of nitrogen other organisms can use

Question 17

Which of the following is the correct order of taxonomic categories from most inclusive to least inclusive?

Accepted Answer

Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species

Question 18

Which of the following is a unique feature of Archaea compared to Bacteria?

Accepted Answer

Ability to grow in extreme environments

Question 19

Which of the following is a correct statement about prions?

Accepted Answer

They are made of misfolded proteins

Introduction to Microbiology: Foundations, Diversity, and Importance

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