Question 1

Which of the following is NOT a property shared by all living things?

Accepted Answer

Ability to photosynthesize

Question 2

A scientist discovers a new entity that is highly ordered, can evolve, but cannot reproduce on its own. According to the properties of life, how should this entity be classified?

Accepted Answer

As a virus

Question 3

Which level of biological organization is defined as all the living and nonliving components in a particular area?

Accepted Answer

Ecosystem

Question 4

Which of the following best illustrates the concept of emergent properties?

Accepted Answer

A heart pumping blood, which cannot be done by individual heart cells alone

Question 5

In a controlled experiment, which variable is manipulated by the scientist?

Accepted Answer

Independent variable

Question 6

A researcher wants to test if a new fertilizer increases plant growth. She sets up two groups: one with the fertilizer and one without. The group without fertilizer is called:

Accepted Answer

Control group

Question 7

Which of the following statements about scientific theories is TRUE?

Accepted Answer

A scientific theory is a well-supported explanation that can explain many observations.

Question 8

Which of the following is an example of a hypothesis that is both testable and falsifiable?

Accepted Answer

Switching to cake flour will result in taller cookies compared to all-purpose flour.

Question 9

Why do scientists often use blind or double-blind experimental designs?

Accepted Answer

To reduce bias in the results

Question 10

Which of the following best describes the flow of information in biological systems?

Accepted Answer

Information is encoded in genes and can be expressed as traits.

Question 11

A clinical trial randomly assigns patients to receive either a new drug or a placebo. What is the main purpose of the placebo group?

Accepted Answer

To serve as a baseline for comparison to the experimental group

Question 12

Which of the following is a primary source of scientific information?

Accepted Answer

A peer-reviewed research article presenting original data

Question 13

Which of the following is an example of pseudoscience?

Accepted Answer

A claim that is not testable or falsifiable but presented as scientific fact

Question 14

Which of the following best explains why the sun is important to most ecosystems?

Accepted Answer

It is the ultimate source of energy that drives nearly every ecosystem.

Question 15

A scientist is studying the effect of temperature on enzyme activity. She measures the rate of reaction at different temperatures. What is the dependent variable in this experiment?

Accepted Answer

The rate of reaction

Question 16

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

Accepted Answer

The structure of a biological component often provides insight into its function.

Question 17

Which of the following is an example of an emergent property?

Accepted Answer

A brain being able to think, which is not a property of individual neurons

Question 18

Which of the following is a key feature of a good scientific hypothesis?

Accepted Answer

It must be testable and falsifiable.

Question 19

Which of the following is the correct order of biological organization from largest to smallest?

Accepted Answer

Biosphere, ecosystem, community, population, organism, organ system, organ, tissue, cell, organelle, molecule, atom

Question 20

Which of the following best describes the placebo effect?

Accepted Answer

A patient experiences improvement because they believe they received treatment, even if they did not.

Chapter 1: An Introduction to the Science of Life – Study Notes

Study Guide - Practice Questions

Study Guide - Flashcards