Cover Title Text: Daniel D. Chiras: Human Biology, Fifth Edition
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Tools For Learning: Practice Quizzes

Please read each question and select your answer from the choices provided. You must complete all of the questions in order to view your results. At the end of each exam, you have the option to e-mail your results to your instructor.


1:  Homeostasis is best described as
A: A state of harmony between people and nature
B: A state of relative constancy in biological systems
C: A state of absolute constancy found in all living things
D: A state in which all things change at the same time

2:  Which response best captures the meaning expressed in the statement "Human health and the health of one's environment are interdependent?"
A: Pollution always make us sick
B: If there are lots of bacteria in the air, we will get sick
C: Health is dependent on physical, chemical, social, and psychological environment in which we live
D: We can only be healthy if we eat healthy food, avoid pollution, and exercise to reduce stress

3:  Health is
A: Best described as a state of mental and physical well-being
B: Best described as the complete absence of disease
C: Marginally dependent on homeostatic mechanisms
D: Rarely affected by stress levels

4:  Which of the following is not on the recommended list for maintaining good health?
A: Eat a balanced diet and eat breakfast regularly
B: Avoid snacking on sweets and fatty foods
C: Exercise regularly
D: Smoke in moderation

5:  Which of the following is not a characteristic of living organisms?
A: All organisms are composed of cells
B: Irritability
C: Metabolism
D: Asexual reproduction

6:  Which statement is true about evolution?
A: All living things and the diversity of life are the product of evolution
B: Adaptations are physical and behavior changes that organisms make to better live in their environment
C: Natural selection is an active, conscious process in which organisms become better adapted to their environment
D: The theory of evolution was created by Charles Darwin

7:  Although humans are similar to all other organisms we do have some unique features, such as?
A: Metabolism
B: Irritability
C: The ability to plan for the future.
D: We are made of billions of cells

8:  Which of the following is a testable explanation of an observation?
A: Theory
B: Hypothesis
C: Experiment
D: None of the above

9:  Which of the following is not correct regarding critical thinking?
A: Critical thinking is discerning fact from fallacy
B: During critical thinking, we subject facts and conclusions to careful analysis for bias and other factors that distort ones thinking
C: Critical thinking requires a careful understanding of all terms
D: Critical thinking is being judgmental about what people do

10:  An experiment to test the effectiveness of a new drug on animal subjects will require which of the following?
A: An experimental group of sufficient size containing identical subjects
B: A control group made up of many different aged animals
C: An experimental variable that is kept constant in both the control and experimental groups
D: Very small group sizes to minimize confusion

11:  Which of the following is true about critical thinking?
A: It requires that we carefully analyze the sources of all statements and conclusions for potential bias
B: It is most important primarily for analyzing social issues
C: Critical thinking requires absolute answers on all issues based on facts
D: Critical thinking requires very little consideration of experimental design

12:  Which of the following would be the next step following the formulation of an hypothesis in scientific method?
A: Formulation of a theory
B: Refute or accept the hypothesis
C: Design of an experiment to test the hypothesis
D: Examine bias in your conclusions

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