Q: Which of the following equations represents the calculation of the total magnification of a compound microscope?

$Total\ Magnification = Objective\ Lens\ Magnification \times Ocular\ Lens\ Magnification$

Question 1

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

Accepted Answer

To group organisms according to similarities and differences in observable characteristics

Question 2

Which statement about binomial nomenclature is correct?

Accepted Answer

It assigns each organism a unique two-part scientific name consisting of genus and species

Question 3

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 4

Which of the following is NOT a characteristic of viruses?

Accepted Answer

They can reproduce independently

Question 5

According to cell theory, which statement is true?

Accepted Answer

Cells are the basic unit of structure and function in living organisms

Question 6

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

Accepted Answer

Fungi

Question 7

A biologist is comparing DNA sequences between two species to determine their evolutionary relationship. This method is known as:

Accepted Answer

Cladistics

Question 8

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

Accepted Answer

Scientific names are universal and reduce confusion across regions

Question 9

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

Accepted Answer

They do not have a metabolism and cannot reproduce independently

Question 10

Which of the following is the correct order of taxonomic ranks from most inclusive to least inclusive?

Accepted Answer

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

Question 11

Which of the following equations represents the calculation of the total magnification of a compound microscope?

Accepted Answer

$Total\ Magnification = Objective\ Lens\ Magnification 	imes Ocular\ Lens\ Magnification$

Question 12

Which of the following kingdoms contains organisms that are all multicellular, have cell walls made of cellulose, and perform photosynthesis?

Accepted Answer

Plantae

Question 13

A student is asked to classify an organism that is unicellular, lacks a nucleus, and has cell walls containing peptidoglycan. Which kingdom does this organism belong to?

Accepted Answer

Eubacteria

Question 14

Which of the following is an example of homeostasis in living organisms?

Accepted Answer

A human maintaining a constant internal body temperature despite changes in external temperature

Question 15

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 16

Which of the following is a multi-step process that scientists use to answer questions about the natural world?

Accepted Answer

Making observations, forming a hypothesis, conducting experiments, analyzing data, and drawing conclusions

Question 17

Which of the following is a correct application of classification criteria to the three domains?

Accepted Answer

Assigning organisms without nuclei and with peptidoglycan cell walls to the domain Bacteria

Question 18

Which of the following scenarios best illustrates the importance of classification in everyday life?

Accepted Answer

Grouping mail by address format for efficient delivery

Question 19

Which of the following is a plausible reason why DNA analysis has become important in modern classification systems?

Accepted Answer

It helps determine evolutionary relationships by comparing genetic sequences

Question 20

Which of the following is NOT a step in conducting an ethical scientific investigation?

Accepted Answer

Ignoring evidence that contradicts your hypothesis

Nature of Science: Classification – Study Notes for General Biology

Study Guide - Practice Questions

Study Guide - Flashcards