Question 1

Which of the following statements best describes the purpose of scientific classification in biology?

Accepted Answer

To organize organisms based on their evolutionary relationships and observable characteristics.

Question 2

Which of the following is NOT a criterion used to classify organisms into the three domains: Archaea, Bacteria, and Eukarya?

Accepted Answer

Ability to photosynthesize.

Question 3

Which statement about viruses is correct when comparing them to living organisms?

Accepted Answer

Viruses cannot reproduce on their own and must infect living cells to replicate.

Question 4

Which of the following correctly lists the hierarchy of biological classification from broadest to most specific?

Accepted Answer

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

Question 5

Which of the following is a reason why scientific names are preferred over common names?

Accepted Answer

Scientific names are universal and reduce confusion caused by regional common names.

Question 6

A scientist discovers a new organism that thrives in extremely salty environments and lacks a nucleus. Which domain does this organism most likely belong to?

Accepted Answer

Archaea

Question 7

Which of the following is NOT a part of the cell theory?

Accepted Answer

All cells contain a nucleus.

Question 8

Which kingdom contains organisms that have cell walls made of chitin and obtain nutrients by absorption?

Accepted Answer

Fungi

Question 9

Which of the following best explains why DNA analysis has become important in modern classification systems?

Accepted Answer

It allows scientists to compare genetic sequences and determine evolutionary relationships.

Question 10

Which of the following is an example of homeostasis in a multicellular organism?

Accepted Answer

Regulation of blood glucose levels by insulin in humans.

Question 11

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

Accepted Answer

Genus is capitalized, species is lowercase, and both are italicized: $	extit{Homo sapiens}$

Question 12

Which of the following characteristics is shared by all members of the domain Eukarya?

Accepted Answer

Cells contain a nucleus.

Question 13

A student claims that viruses are living because they contain genetic material. Which scientific evidence contradicts this claim?

Accepted Answer

Viruses cannot reproduce independently and lack metabolism.

Question 14

Which of the following is an ethical consideration when conducting biological investigations?

Accepted Answer

Ensuring the welfare of living organisms used in experiments.

Question 15

Which of the following kingdoms includes both unicellular and multicellular organisms, some of which can photosynthesize?

Accepted Answer

Protista

Question 16

Which process is used by bacteria to reproduce asexually?

Accepted Answer

Binary fission

Question 17

Which of the following is a multi-step problem: If a scientist wants to determine whether a newly discovered organism is a fungus, which characteristics should they examine?

Accepted Answer

Presence of chitin in cell walls, absorption of nutrients, and lack of chloroplasts.

Question 18

Which of the following best describes the role of specialization in multicellular organisms?

Accepted Answer

It leads to the development of distinct cell types that perform specific functions.

Question 19

Which of the following is a real-world example of classification outside of biology?

Accepted Answer

Organizing groceries in a store by type (e.g., fruits, vegetables, dairy).

Question 20

Which of the following is a correct scientific explanation for why ticks and spiders are classified differently despite both having eight legs?

Accepted Answer

Ticks are parasitic and do not build webs, while spiders are not parasitic and build webs.

Nature of Science: Classification (Unit 1 - Lesson 4)

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