Question 1

Which of the following is NOT considered a property of life?

Accepted Answer

Lack of response to environmental stimuli

Question 2

A scientist observes that a certain species of plant grows taller when exposed to more sunlight. She hypothesizes that sunlight increases plant height. Which of the following is the independent variable in her experiment?

Accepted Answer

Amount of sunlight

Question 3

Which of the following best describes an emergent property?

Accepted Answer

A property that arises from the arrangement and interaction of parts within a system

Question 4

Which domain includes organisms with simple cells that lack a nucleus?

Accepted Answer

Domain Bacteria

Question 5

A controlled experiment is best described as:

Accepted Answer

An experiment that compares an experimental group with a control group

Question 6

Which of the following statements about scientific theories is TRUE?

Accepted Answer

A scientific theory is broad in scope and supported by a large body of evidence

Question 7

Which of the following best illustrates the relationship between structure and function in biology?

Accepted Answer

The shape of a bird's wing enables flight

Question 8

In the flow of energy through an ecosystem, which of the following is the correct sequence?

Accepted Answer

Sunlight → Producers → Consumers → Decomposers → Heat

Question 9

Which of the following is an example of artificial selection?

Accepted Answer

Humans breeding dogs for specific traits

Question 10

Which of the following best explains why DNA is considered the molecule of heredity?

Accepted Answer

DNA provides the blueprint for proteins and is responsible for heredity

Question 11

A researcher is studying the effect of a new fertilizer on plant growth. She sets up two groups: one receives the fertilizer, and the other does not. She measures the height of the plants after four weeks. What is the dependent variable in this experiment?

Accepted Answer

Height of the plants

Question 12

Which of the following is an example of an emergent property at the cellular level?

Accepted Answer

A group of organelles working together to allow a cell to live

Question 13

Which of the following best describes the difference between science and technology?

Accepted Answer

Science seeks to understand natural phenomena, while technology applies scientific knowledge for specific purposes

Question 14

Which of the following is a correct statement about the three domains of life?

Accepted Answer

Domains Bacteria and Archaea contain organisms with simple cells

Question 15

A scientist is testing whether a new drug lowers blood glucose levels. She gives the drug to one group and a placebo to another. She measures blood glucose before and after treatment. Which of the following best describes the control group?

Accepted Answer

The group that receives the placebo

Question 16

Which of the following best illustrates the concept of systems biology?

Accepted Answer

Studying how the interactions among genes, proteins, and other molecules result in the function of a cell

Question 17

Which of the following is an example of information flow in a biological system?

Accepted Answer

DNA being transcribed into RNA, which is then translated into protein

Question 18

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

Accepted Answer

Matter cycles from the atmosphere and soil, through producers, consumers, and decomposers, and back to the environment

Question 19

Which of the following is a real-world example of evolutionary adaptation?

Accepted Answer

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

Question 20

Which of the following best explains why the scientific process is considered repetitive, nonlinear, and collaborative?

Accepted Answer

Scientists often revisit hypotheses, share results with the scientific community, and incorporate feedback to refine their ideas

Biology: Exploring Life – Chapter 1 Study Notes

Study Guide - Practice Questions

Study Guide - Flashcards