Question 1

Which of the following correctly describes the binomial nomenclature for scientific naming?

Accepted Answer

The genus name is capitalized, the species name is not, and both are italicized or underlined.

Question 2

Which domain includes organisms with peptidoglycan in their cell walls?

Accepted Answer

Domain Bacteria

Question 3

A newly discovered unicellular organism has a cell wall made of chitin and is non-motile. Which kingdom does it most likely belong to?

Accepted Answer

Kingdom Mycetae

Question 4

Which of the following is NOT a criterion used in the identification of organisms for taxonomy?

Accepted Answer

Habitat preference

Question 5

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

Accepted Answer

$$	extit{Escherichia coli}$$

Question 6

Which of the following statements about viruses is TRUE?

Accepted Answer

Viruses are not classified with other living things because they lack cytoplasm and metabolism.

Question 7

A student observes a motile, unicellular organism with no cell wall under the microscope. Which group does this organism most likely belong to?

Accepted Answer

Protozoa

Question 8

Which of the following is a representative organism of the Kingdom Animalia?

Accepted Answer

Helminths (worms)

Question 9

Which domain contains organisms that can be chemoautotrophs and have cell walls made of various materials?

Accepted Answer

Domain Archaea

Question 10

Which of the following is TRUE about the taxonomic hierarchy?

Accepted Answer

Order is ranked below Class.

Question 11

A scientist isolates a unicellular organism that is motile, lacks a cell wall, and is a chemoheterotroph. Which group is this organism most likely classified under?

Accepted Answer

Protozoa

Question 12

Which of the following is NOT a characteristic of organisms in the Kingdom Mycetae?

Accepted Answer

Most are motile

Question 13

Which of the following statements best explains why prions are not classified within the three domains of life?

Accepted Answer

Prions lack nucleic acids and consist only of protein.

Question 14

Which of the following is a correct pairing of domain and representative organism?

Accepted Answer

Domain Archaea – Halophiles

Question 15

Which of the following energy and carbon sources is found in both Bacteria and Archaea?

Accepted Answer

Chemoheterotrophs and chemoautotrophs

Question 16

A sample contains multicellular organisms that reproduce sexually, lack cell walls, and are motile. Which kingdom do these organisms belong to?

Accepted Answer

Kingdom Animalia

Question 17

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

Accepted Answer

Bacteria have cell walls made of peptidoglycan.

Question 18

Which of the following is NOT a domain in the current taxonomic system?

Accepted Answer

Animalia

Question 19

Which of the following organisms would be classified as a chemoheterotroph?

Accepted Answer

Yeast (Saccharomyces)

Question 20

A researcher is studying an organism that is unicellular, has a cell wall made of peptidoglycan, and is motile. Which domain does this organism belong to?

Accepted Answer

Domain Bacteria

Microbial Taxonomy and Biological Classification

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