Question 1

Which of the following statements best describes the role of normal microbiota in human health?

Accepted Answer

Normal microbiota help maintain health by preventing the growth of pathogens and producing essential vitamins.

Question 2

Which of the following is NOT a characteristic of Archaea?

Accepted Answer

They are known to cause many human diseases.

Question 3

Which process is described by the equation $	ext{C}_6	ext{H}_{12}	ext{O}_6 ightarrow 2	ext{C}_2	ext{H}_5	ext{OH} + 2	ext{CO}_2$ and is carried out by microbes?

Accepted Answer

Fermentation

Question 4

Which scientist is credited with developing the system of scientific nomenclature that uses two names (genus and specific epithet)?

Accepted Answer

Carolus Linnaeus

Question 5

Which of the following is a correct scientific name, according to the rules of binomial nomenclature?

Accepted Answer

Escherichia coli

Question 6

Which of the following best explains why viruses are not classified as living organisms?

Accepted Answer

They are not composed of cells and cannot reproduce independently.

Question 7

Which of the following is a beneficial use of microbes in industry?

Accepted Answer

Producing insulin for diabetes treatment

Question 8

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

Accepted Answer

Protista

Question 9

A scientist isolates a unicellular organism with a nucleus, chitin cell walls, and the ability to absorb organic nutrients. This organism is most likely a:

Accepted Answer

Fungus

Question 10

Which of the following is an example of bioremediation?

Accepted Answer

Using bacteria to degrade oil spills in the ocean

Question 11

Which of the following statements about biofilms is TRUE?

Accepted Answer

Biofilms are communities of microbes that attach to surfaces and are often resistant to antibiotics.

Question 12

Which of the following is a correct sequence in the taxonomic hierarchy, from broadest to most specific?

Accepted Answer

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

Question 13

Which of the following is an example of an emerging infectious disease (EID)?

Accepted Answer

Zika virus disease

Question 14

Which of the following statements about Koch's postulates is correct?

Accepted Answer

They are used to prove that a specific microbe causes a specific disease.

Question 15

Which of the following is a function of microbial photosynthesis in the environment?

Accepted Answer

Production of oxygen and carbohydrates

Question 16

Which of the following best describes the difference between prokaryotic and eukaryotic cells?

Accepted Answer

Eukaryotic cells have membrane-bound organelles, while prokaryotic cells do not.

Question 17

Which of the following is a correct application of recombinant DNA technology?

Accepted Answer

Using genetically modified bacteria to produce human insulin

Question 18

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

Accepted Answer

Causing infectious diseases

Question 19

Which of the following best describes the concept of resistance in microbiology?

Accepted Answer

The ability of the body to ward off disease

Question 20

Which of the following is a distinguishing feature of fungi compared to bacteria?

Accepted Answer

Fungi have chitin cell walls, while bacteria have peptidoglycan cell walls.

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

Study Guide - Practice Questions

Study Guide - Flashcards