BIOLOGY: SCIENCE FOR LIFE, WITH PHYSIOLOGY
6TH EDITION
CHAPTER NO. 01: CAN SCIENCE CURE THE COMMON COLD?
INTRODUCTION TO THE SCIENTIFIC METHOD
1) Why is the scientific method used?
A) to test ideas about how the natural world works
B) to memorize scientific facts about experiments
C) to determine legal responsibilities for scientists
D) to establish economic policies for the world
Answer: A
Section: 1.1
Skill: Remembering/Understanding
Learning Outcome: 1.1
2) Which feature is necessary for a scientific hypothesis?
A) It can be proven true.
B) It is falsifiable.
C) It is a theory about supernatural events.
D) It is not based on observations.
Answer: B
Section: 1.1
Skill: Remembering/Understanding
Learning Outcome: 1.1
3) Which statement would be appropriate scientific hypothesis?
A) Rude people catch more colds than polite people.
B) Cold viruses should be allowed to reproduce just like anything else.
C) Going to school when you have a cold is unethical.
D) People protected from chilly temperatures catch fewer colds.
Answer: D
,Section: 1.1
Skill: Remembering/Understanding
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) a logical opinion proposed by one person
D) any testable explanation for a question or problem
Answer: A
Section: 1.1
Skill: Remembering/Understanding
Learning Outcome: 1.2
5) What expectation, based on a hypothesis, uses deductive reasoning?
A) correlations
B) data
C) predictions
D) statistical tests
Answer: C
Section: 1.1
Skill: Remembering/Understanding
Learning Outcome: 1.3
6) Which hypothesis did Warren and Marshall test related to Helicobacter pylori bacteria and
stomach ulcers?
A) Eating spicy food increases 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) H. pylori bacteria decrease acid production 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: Applying/Analyzing
,Learning Outcome: 1.1
7) Which biologists contributed to the germ theory of disease?
A) Warren and Marshall
B) Pasteur and Koch
C) Watson and Crick
D) Darwin and Mendel
Answer: B
Section: 1.1
Skill: Remembering/Understanding
Learning Outcome: 1.2
8) What step should occur after numerous observations are used to form a sensible, inductively
reasoned hypothesis?
A) The hypothesis is recognized as proven.
B) The hypothesis is discarded as incorrect.
C) The hypothesis must be tested.
D) The hypothesis becomes a scientific law.
Answer: C
Section: 1.1
Skill: Applying/Analyzing
Learning Outcome: 1.4
9) Why are hypotheses never accepted as proven by scientists?
A) Hypotheses are only opinions and cannot be proven true.
B) Experimentation only tests predictions, but not hypotheses.
C) Hypotheses change every time a new experiment is conducted.
D) Alternative hypotheses might provide a better explanation.
Answer: D
Section: 1.1
Skill: Applying/Analyzing
Learning Outcome: 1.4
, 10) What outcome results when many independent scientific studies support a well-tested
hypothesis?
A) The hypothesis would be considered a scientific theory.
B) The hypothesis is now 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: Applying/Analyzing
Learning Outcome: 1.5
11) Consider this hypothesis: "Drinking Echinacea tea reduces the duration and severity of
colds." Which statement is the best prediction based on this hypothesis?
A) If cold sufferers drink Echinacea tea, then they will feel better sooner.
B) If cold sufferers drink Echinacea tea, then a tea ingredient will destroy the cold viruses.
C) If cold sufferers drink Echinacea tea, then the tea will reduce their stress.
D) If cold sufferers don't drink Echinacea tea, then they will catch a cold very easily.
Answer: A
Section: 1.1
Skill: Applying/Analyzing
Learning Outcome: 1.3
12) Which statement 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: Remembering/Understanding
Learning Outcome: 1.1