Question 1

Which of the following best describes a multicellular organism?

Accepted Answer

An organism composed of more than one cell, often with specialized cells performing different functions.

Question 2

Which process is responsible for maintaining a stable internal environment within narrow limits, such as body temperature regulation in humans?

Accepted Answer

Homeostasis

Question 3

A scientist observes that a plant grows faster under blue light than red light. Which step of the scientific method is the scientist performing?

Accepted Answer

Making observations

Question 4

Which of the following is the correct sequence for the taxonomic categories from broadest to most specific?

Accepted Answer

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

Question 5

Which of the following best describes the function of mitochondria in eukaryotic cells?

Accepted Answer

Break down glucose molecules and use their electrons to power the production of ATP

Question 6

A mutation occurs in the DNA of a bacterium, changing one nucleotide in a gene. What is the most likely consequence?

Accepted Answer

The mutation may alter the protein produced by that gene, potentially affecting the bacterium's traits.

Question 7

Which equation correctly represents the process of photosynthesis?

Accepted Answer

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

Question 8

Which of the following is an example of adaptation?

Accepted Answer

A population of insects developing resistance to a pesticide over several generations.

Question 9

Which statement about genes is correct?

Accepted Answer

Genes are segments of DNA that contain instructions for making specific proteins.

Question 10

Which of the following is NOT a function performed by all living cells?

Accepted Answer

Photosynthesis

Question 11

Which of the following best describes the hierarchical organization of living things?

Accepted Answer

Cells, tissues, organs, organ systems, organism

Question 12

Which of the following is a correct statement about prokaryotic cells?

Accepted Answer

They lack a nucleus and membrane-bound organelles.

Question 13

Which of the following is a scientific law?

Accepted Answer

A description of consistent relationships in nature that is rarely challenged.

Question 14

Which of the following kingdoms contains only prokaryotic organisms?

Accepted Answer

Bacteria

Question 15

Which of the following is the correct formula for cellular respiration?

Accepted Answer

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

Question 16

A student is classifying an organism using the binomial nomenclature system. Which of the following is the correct format?

Accepted Answer

Homo sapiens

Question 17

Which of the following best describes the role of enzymes in metabolism?

Accepted Answer

Enzymes act as catalysts to speed up chemical reactions without being consumed.

Question 18

Which of the following is an example of a hypothesis?

Accepted Answer

If fertilizer is added to soil, then plant growth will increase.

Question 19

Which of the following statements about eukaryotic cells is correct?

Accepted Answer

Eukaryotic cells contain membrane-bound organelles.

Question 20

Which of the following best describes the scientific method?

Accepted Answer

A systematic, repeatable process used to investigate phenomena and answer questions.

General Biology: Foundational Vocabulary and Concepts

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