Question 1

Which of the following best describes a scientific theory?

Accepted Answer

A tested and confirmed explanation for observations or phenomena.

Question 2

A scientist observes that certain bacteria move toward nutrients in their environment. Which characteristic of living organisms does this behavior best illustrate?

Accepted Answer

Response to stimuli (sensitivity)

Question 3

Which of the following is an example of deductive reasoning in biology?

Accepted Answer

Using the principle that increased temperature affects metabolism to predict that a specific fish species will have a higher metabolic rate in warmer water.

Question 4

Which of the following is NOT a characteristic shared by all living organisms?

Accepted Answer

Presence of a nucleus

Question 5

A researcher wants to test the effect of a new fertilizer on plant growth. She sets up two groups: one receives the fertilizer, and the other does not. What is the control group in this experiment?

Accepted Answer

The group that does not receive the fertilizer.

Question 6

Which level of biological organization is defined as a group of similar cells carrying out similar or related functions?

Accepted Answer

Tissue

Question 7

Which branch of biology would most likely study the chemical reactions involved in cellular respiration?

Accepted Answer

Molecular biology and biochemistry

Question 8

Which of the following statements about the scientific method is TRUE?

Accepted Answer

Valid hypotheses must be testable and falsifiable.

Question 9

Which of the following best illustrates the concept of homeostasis?

Accepted Answer

A human maintaining a stable body temperature despite cold weather.

Question 10

Which of the following is an example of applied science?

Accepted Answer

Developing a vaccine to prevent a viral disease.

Question 11

A scientist collects data on the migration patterns of birds over several years and then formulates a general conclusion about their behavior. What type of reasoning is this?

Accepted Answer

Inductive reasoning

Question 12

Which of the following is the correct sequence of levels of organization from smallest to largest?

Accepted Answer

Atom $\rightarrow$ Molecule $\rightarrow$ Organelle $\rightarrow$ Cell

Question 13

Which of the following is a function of peer review in scientific research?

Accepted Answer

To allow qualified experts to evaluate and validate research findings.

Question 14

Which of the following is an example of a variable in a scientific experiment?

Accepted Answer

The amount of sunlight a plant receives.

Question 15

Which of the following best describes the difference between basic science and applied science?

Accepted Answer

Basic science seeks to expand knowledge regardless of short-term applications, while applied science aims to solve real-world problems.

Question 16

A population is defined as:

Accepted Answer

Individuals of a species living within a specific area.

Question 17

Which of the following is a real-world example of energy processing in living organisms?

Accepted Answer

A plant converting sunlight into chemical energy through photosynthesis.

Question 18

Which of the following is the correct definition of evolution?

Accepted Answer

The process of gradual change during which new species arise from older ones.

Question 19

Which of the following is NOT a physical science?

Accepted Answer

Botany

Question 20

A scientist uses the following steps: observation $\rightarrow$ question $\rightarrow$ hypothesis $\rightarrow$ experiment $\rightarrow$ analysis. Which process is she following?

Accepted Answer

Scientific method

Chapter 1: The Study of Life – Foundations of Biology

Study Guide - Practice Questions

Study Guide - Flashcards