Question 1

Which of the following statements best describes the concept of the human microbiome?

Accepted Answer

It is the group of microbes that live stably on or in the human body, contributing to health and disease prevention.

Question 2

Which of the following is NOT a beneficial activity of microorganisms?

Accepted Answer

Causing food spoilage

Question 3

Which of the following correctly matches the scientist with their contribution to microbiology?

Accepted Answer

Louis Pasteur – Disproved spontaneous generation using S-shaped flasks

Question 4

Which of the following groups of microorganisms are prokaryotes?

Accepted Answer

Bacteria and Archaea

Question 5

Which of the following is a correct application of scientific nomenclature?

Accepted Answer

$$	extit{Escherichia coli}$$

Question 6

Which of the following statements about viruses is TRUE?

Accepted Answer

Viruses are acellular and require a living host cell to replicate.

Question 7

A scientist isolates a microorganism that lacks a nucleus, has peptidoglycan in its cell wall, and divides by binary fission. To which domain does this organism most likely belong?

Accepted Answer

Bacteria

Question 8

Which of the following best explains why Pasteur’s S-shaped flask experiment disproved spontaneous generation?

Accepted Answer

It demonstrated that air alone does not create life, but microbes from the air can contaminate sterile solutions.

Question 9

Which of the following is NOT a characteristic of fungi?

Accepted Answer

They are prokaryotic.

Question 10

Which of the following is an example of biotechnology that uses recombinant DNA technology?

Accepted Answer

Producing human insulin in bacteria

Question 11

Which of the following is a correct statement about biofilms?

Accepted Answer

Biofilms can protect mucous membranes and provide food in aquatic ecosystems.

Question 12

Which of the following is a factor that contributes to the emergence of infectious diseases?

Accepted Answer

Evolutionary changes such as antibiotic resistance

Question 13

Which of the following best describes Koch’s postulates?

Accepted Answer

A series of experimental steps to demonstrate that a specific microbe causes a specific disease.

Question 14

Which of the following is a correct pairing of a field of study and its focus?

Accepted Answer

Parasitology – study of protozoa and parasitic worms

Question 15

Which of the following is a real-world example of microbial bioremediation?

Accepted Answer

Using bacteria to degrade oil spills in the ocean

Question 16

Which of the following statements about normal microbiota is TRUE?

Accepted Answer

Normal microbiota can prevent the growth of pathogenic microbes.

Question 17

Which of the following is NOT a domain in the three-domain system of classification?

Accepted Answer

Protista

Question 18

Which of the following best describes the difference between biotechnology and recombinant DNA technology?

Accepted Answer

Recombinant DNA technology is a subset of biotechnology that involves combining DNA from different sources.

Question 19

Which of the following is a correct statement about antibiotic resistance?

Accepted Answer

Antibiotic resistance can lead to the emergence of new infectious diseases.

Question 20

Which of the following is an example of an emerging infectious disease and its cause?

Accepted Answer

COVID-19 – caused by SARS-CoV-2, a coronavirus

Microbiology: The Microbial World and You – Chapter 1 Study Notes

Study Guide - Practice Questions

Study Guide - Flashcards