Question 1

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

Accepted Answer

Domain $\rightarrow$ Kingdom $\rightarrow$ Phylum $\rightarrow$ Class $\rightarrow$ Order $\rightarrow$ Family $\rightarrow$ Genus $\rightarrow$ Species

Question 2

Which statement best describes prokaryotic cells?

Accepted Answer

They lack a membrane-bound nucleus.

Question 3

Which domain includes organisms that thrive in extreme environments such as high salinity or temperature?

Accepted Answer

Archaea

Question 4

Which of the following is a feature shared by both prokaryotic and eukaryotic cells?

Accepted Answer

Presence of ribosomes

Question 5

A scientist discovers a single-celled organism with circular DNA and no membrane-bound organelles. To which domain does this organism most likely belong?

Accepted Answer

Bacteria

Question 6

Which of the following statements is true regarding the classification of life?

Accepted Answer

The domain is the most inclusive category.

Question 7

Which of the following is NOT a characteristic of eukaryotic cells?

Accepted Answer

Circular DNA

Question 8

Which group contains both single-celled and multicellular organisms?

Accepted Answer

Eukarya

Question 9

Which of the following is the broadest and most distinct grouping of life?

Accepted Answer

Domain

Question 10

Which of the following correctly matches the domain with an example organism?

Accepted Answer

Eukarya — Human

Question 11

Which of the following statements is generally considered true for both prokaryotes and eukaryotes?

Accepted Answer

Both have ribosomes and plasma membranes.

Question 12

A cell is observed to have a cell wall, ribosomes, and circular DNA, but no nucleus. Which classification best fits this cell?

Accepted Answer

Prokaryotic

Question 13

Which of the following is a correct statement about the three domains of life?

Accepted Answer

Archaea and Bacteria are both prokaryotic.

Question 14

Which of the following is a correct example of a eukaryotic cell?

Accepted Answer

Plant cell

Question 15

Which of the following is NOT a domain of life?

Accepted Answer

Protista

Question 16

Which of the following best describes the DNA in prokaryotic cells?

Accepted Answer

Circular and located in the cytoplasm

Question 17

Which of the following is a correct statement about the cell wall?

Accepted Answer

Both prokaryotic and some eukaryotic cells can have cell walls.

Question 18

Which of the following is a correct example of a prokaryotic organism?

Accepted Answer

Escherichia coli

Question 19

Which of the following is a correct statement about the nucleus?

Accepted Answer

It is present only in eukaryotic cells.

Question 20

Which of the following is a correct statement about the classification of humans?

Accepted Answer

Humans belong to the domain Eukarya.

Classification of Life and Cell Types: Taxonomy, Domains, and Cell Structure

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