Biology: Science for Life with Physiology, 5e (Belk)
Chapter 3 Is It Possible to Supplement Your Way to Better Performance and Health?
Nutrients and Membrane Transport
1) What are nutrients that the human body requires in large quantities?
A) micronutrients
B) macronutrients
C) vitamins
...
,Biology: Science for Life with Physiology, 5e (Belk)
Chapter 1 Can Science Cure the Common Cold? Introduction to the Scientific Method
1) Why is the scientific method used?
A) to answer specific questions about the natural world
B) to determine absolute truth
C) to distinguish good from evil
D) to establish moral codes
Answer: A
Section: 1.1
Skill: Knowledge (Remember)
Learning Outcome: 1.1
2) Which feature is necessary for a scientific hypothesis?
A) It is able to be proven true.
B) It is falsifiable.
C) It is a theory about something.
D) It is not based on observations.
Answer: B
Section: 1.1
Skill: Knowledge/Comprehension (Remember/Understand)
Learning Outcome: 1.1
3) Which of the following is an appropriate scientific hypothesis?
A) Bad people catch more colds than good people.
B) Cold viruses should be allowed to reproduce just like anything else.
C) It is unethical to go to school when you have a cold.
D) People catch colds because of exposure to cold temperature.
Answer: D
Section: 1.1
Skill: Comprehension/Application (Understand/Apply)
Learning Outcome: 1.1
4) What is a scientific theory?
A) an explanation supported by large amounts of experimental evidence
B) an explanation that cannot be modified with new experimental evidence
C) little more than one person's educated guess
D) any testable explanation for a question or problem
Answer: A
Section: 1.1
Skill: Knowledge (Remember)
Learning Outcome: 1.2
,5) Deductive reasoning is used to make ________ based on a hypothesis.
A) correlations
B) data
C) predictions
D) statistical tests
Answer: C
Section: 1.1
Skill: Knowledge/Comprehension (Remember/Understand)
Learning Outcome: 1.3
6) Which hypothesis was tested by Warren and Marshall during their research involving
Helicobacter pylori bacteria and stomach ulcers?
A) Eating spicy food increases populations of H. pylori in the stomachs of people susceptible to
ulcers.
B) The cause of many stomach ulcers is the bacterium H. pylori, not spicy food.
C) Stomach acid production is decreased by H. pylori bacteria in the stomachs of people with
ulcers.
D) Acute stomach pain is often caused by H. pylori bacteria, not ulcers.
Answer: B
Section: 1.1
Skill: Comprehension/Application (Understand/Apply)
Learning Outcome: 1.1
7) Which microbiologists contributed to the germ theory of disease?
A) Warren and Marshall
B) Pasteur and Koch
C) Watson and Crick
D) Jacob and Monod
Answer: B
Section: 1.1
Skill: Knowledge/Comprehension (Remember/Understand)
Learning Outcome: 1.2
8) Which statement would be correct if an inductively reasoned hypothesis makes sense, based
on all available and historical observations?
A) The hypothesis must be true.
B) The hypothesis cannot possibly be true.
C) The hypothesis must be tested.
D) Experimentation is not necessary.
Answer: C
Section: 1.1
Skill: Application (Apply)
Learning Outcome: 1.4
, 9) Why are hypotheses never accepted as proven by scientists?
A) A hypothesis cannot ever be true or false because it is an opinion.
B) Experimentation cannot support a hypothesis because it only tests predictions.
C) Hypotheses change every time a new experiment is conducted.
D) Alternative hypotheses might provide a better answer to the research question.
Answer: D
Section: 1.1
Skill: Analysis (Analyze)
Learning Outcome: 1.4
10) What is the result when a well-tested hypothesis is supported by many independent studies in
the scientific community?
A) The hypothesis would be considered a scientific theory.
B) The hypothesis is now be referred to as a prediction.
C) Further experiments would not occur unless a sufficient alternative is proposed.
D) The hypothesis is a fact that cannot be refuted.
Answer: A
Section: 1.2
Skill: Comprehension/Application (Understand/Apply)
Learning Outcome: 1.5
11) Consider this hypothesis: "Drinking Echinacea tea reduces the duration and severity of
colds." Which of the following statements is the best prediction based on this hypothesis?
A) If people with a cold drink Echinacea tea, then they will feel better sooner.
B) If people with a cold drink Echinacea tea, then a tea ingredient will destroy the cold viruses.
C) If people with a cold drink Echinacea tea, then the tea will reduce their stress.
D) If a person doesn't drink Echinacea tea, then he or she will catch a cold very easily.
Answer: A
Section: 1.1
Skill: Application/Analysis (Apply/Analyze)
Learning Outcome: 1.3
12) Which of the following is a testable hypothesis?
A) Taking zinc lozenges at the first sign of cold symptoms is wise.
B) Avoiding contact with other people reduces the chance of catching a cold.
C) Being a good driver makes you less likely to catch a cold.
D) Sleeping 8 hours a night makes you feel better when you have a cold.
Answer: B
Section: 1.1
Skill: Comprehension/Application (Understand/Apply)
Learning Outcome: 1.1
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