Question 1

Which of the following is NOT considered a fundamental characteristic shared by all living things?

Accepted Answer

Ability to photosynthesize

Question 2

A scientist observes that a plant bends toward a light source. Which property of life does this best illustrate?

Accepted Answer

Response to the environment

Question 3

Which level of biological organization is defined as the smallest unit of life?

Accepted Answer

Cell

Question 4

In the process of natural selection, which factor directly leads to the evolution of new species?

Accepted Answer

Descent with modification

Question 5

Which domain includes organisms that are prokaryotic?

Accepted Answer

Domain Bacteria

Question 6

Homeostasis in living organisms is maintained primarily through which type of mechanism?

Accepted Answer

Positive and negative feedback

Question 7

Which of the following best describes the flow of energy in an ecosystem?

Accepted Answer

Energy flows in one direction from the sun to producers to consumers

Question 8

Which process allows organisms to pass genetic information to their offspring?

Accepted Answer

Reproduction

Question 9

A population of beetles shows variation in color. Birds preferentially eat the lighter-colored beetles, resulting in more dark-colored beetles surviving and reproducing. Which concept does this scenario best illustrate?

Accepted Answer

Natural selection

Question 10

Which of the following statements about matter and energy in living systems is correct?

Accepted Answer

Energy flows through ecosystems, while matter cycles within them

Question 11

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

Accepted Answer

A rabbit maintaining a constant body temperature in cold weather

Question 12

Which of the following best describes the scientific method as used in biology?

Accepted Answer

A flexible process involving controlled experiments and deductive reasoning

Question 13

Which of the following equations best represents the process of photosynthesis?

Accepted Answer

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

Question 14

Which of the following is an example of growth and development in living organisms?

Accepted Answer

A plant seed germinating and producing leaves

Question 15

Which reasoning method involves making generalizations based on specific observations?

Accepted Answer

Inductive reasoning

Question 16

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

Accepted Answer

They cannot reproduce independently

Question 17

Which of the following is a direct result of evolutionary adaptation?

Accepted Answer

Populations become better suited to their environment

Question 18

Which of the following is the correct sequence of levels of biological organization from simplest to most complex?

Accepted Answer

Molecule, organelle, cell, tissue, organ, organism

Question 19

Which of the following statements about DNA is correct?

Accepted Answer

DNA forms genes that carry instructions for building proteins

Question 20

A scientist wants to test the effect of sunlight on plant growth. She sets up two groups: one exposed to sunlight and one kept in darkness. What is the independent variable in this experiment?

Accepted Answer

Exposure to sunlight

AP/DE Biology Chapter 1

Study Guide - Practice Questions

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