Question 1

Which branch of biology is primarily concerned with the naming and classification of organisms?

Accepted Answer

Taxonomy

Question 2

According to the hierarchical system of biological classification, which of the following is the most inclusive category?

Accepted Answer

Domain

Question 3

Which of the following correctly lists the three domains of life?

Accepted Answer

Bacteria, Archaea, Eukarya

Question 4

Eukaryotic cells are characterized by the presence of which cellular structure?

Accepted Answer

Nucleus

Question 5

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

Accepted Answer

Kingdom Eubacteria

Question 6

The proposal that one type of organism can change into another type over a long period of time is known as:

Accepted Answer

Evolution

Question 7

Autotrophs are organisms that:

Accepted Answer

Produce their own energy from sunlight or inorganic chemicals

Question 8

Which of the following is a correct example of a heterotroph?

Accepted Answer

A rabbit eating grass

Question 9

In the three-domain system, which domains consist of prokaryotic cells?

Accepted Answer

Bacteria and Archaea

Question 10

Which of the following best describes the relationship between energy and matter in an ecosystem?

Accepted Answer

Energy flows in one direction and matter cycles

Question 11

A scientist discovers a new organism that is multicellular, has a nucleus, and performs photosynthesis. To which kingdom does this organism most likely belong?

Accepted Answer

Kingdom Plantae

Question 12

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 13

Which of the following statements about prokaryotes is TRUE?

Accepted Answer

Prokaryotes include Bacteria and Archaea

Question 14

Which kingdom within the domain Eukarya contains organisms that are MOSTLY multicellular and can photosynthesize?

Accepted Answer

Kingdom Plantae

Question 15

A biologist divides organisms into autotrophs and heterotrophs. Which characteristic is used for this division?

Accepted Answer

The method of obtaining energy

Question 16

Which of the following is NOT a characteristic of organisms in the kingdom Animalia?

Accepted Answer

Photosynthetic

Question 17

If an organism is unicellular, eukaryotic, and can be either autotrophic or heterotrophic, to which kingdom does it most likely belong?

Accepted Answer

Kingdom Protista

Question 18

Which of the following best explains why Archaea and Bacteria are placed in separate domains?

Accepted Answer

They have different cell wall compositions and genetic sequences

Question 19

Which equation best represents the process of photosynthesis in autotrophs?

Accepted Answer

$$6CO_2 + 6H_2O \rightarrow C_6H_{12}O_6$ + 6O_2$$

Question 20

A student observes a cell under a microscope and notes the absence of a nucleus and the presence of a cell wall. Which domain does this cell most likely belong to?

Accepted Answer

Bacteria

Classification of Life: Domains, Kingdoms, and Energy Acquisition

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