Question 1

What is misleading about commercials that show "scientific proof" that laundry detergent X is better than another leading brand?

Accepted Answer

A) We are shown only one tee-shirt becoming whiter in each detergent, not 20 tee-shirts in each detergent. 
B) We do not know whether the same amount of each detergent was used for washing. 
C) We do not know if everything besides the detergents was the same (machine used, type of stains, etc.). 
D) All of the above are aspects that are misleading. 
A) We are shown only one tee-shirt becoming whiter in each detergent, not 20 tee-shirts in each detergent. 
B) We do not know whether the same amount of each detergent was used for washing. 
C) We do not know if everything besides the detergents was the same (machine used, type of stains, etc.). 
D) All of the above are aspects that are misleading.

Question 2

Which of the following represents a double-blind study?

Accepted Answer

A) The test group knows whether they are receiving a placebo or the actual treatment, and so do the researchers. 
B) The test group does not know whether they are receiving a placebo or the actual treatment, but the researchers do. 
C) The test group knows whether they are receiving a placebo or the actual treatment, but the researchers do not know until all the data are collected. 
D) Neither the test group nor the researchers know whether the test group is receiving a placebo or the actual treatment until all the data are collected. 
A) The test group knows whether they are receiving a placebo or the actual treatment, and so do the researchers. 
B) The test group does not know whether they are receiving a placebo or the actual treatment, but the researchers do. 
C) The test group knows whether they are receiving a placebo or the actual treatment, but the researchers do not know until all the data are collected. 
D) Neither the test group nor the researchers know whether the test group is receiving a placebo or the actual treatment until all the data are collected.

Question 3

What is typically the first step in the scientific method?

Accepted Answer

A) Carrying out an experiment 
B) Developing a hypothesis 
C) Making a prediction 
D) Making an observation 
A) Carrying out an experiment 
B) Developing a hypothesis 
C) Making a prediction 
D) Making an observation

Question 4

A population consists of ________.

Accepted Answer

A) living and nonliving components 
B) interacting populations 
C) a group of interacting individuals of one species 
D) a group of interacting individuals from different species 
A) living and nonliving components 
B) interacting populations 
C) a group of interacting individuals of one species 
D) a group of interacting individuals from different species

Question 5

The cookies with the least amount of fat had more cells around 500 μm in size than did the cookies with the most amount of fat.

Accepted Answer

A) True 
 B)False

Question 6

Use the following information to answer the following question(s): You wake up one morning feeling slightly under the weather.A close family member enthusiastically suggests that you take some Echinacea, an herb commonly used as a cold remedy.You then decide to design an experiment to test Echinacea and see if this claim is true.You think, "If taken at the beginning of a cold, Echinacea will reduce cold symptoms."
-Your statement, "If taken at the beginning of a cold, Echinacea will reduce cold symptoms," is called a(n) ________.

Accepted Answer

A) observation 
B) hypothesis 
C) conclusion 
D) theory 
A) observation 
B) hypothesis 
C) conclusion 
D) theory

Question 7

Certain parasites, such as intestinal tapeworms, cannot survive outside of their host.Why are they still considered alive?

Accepted Answer

A) Survival outside of a host is not a requirement for life. 
B) Parasites are still considered alive because they are studied by biologists, and biology is the study of life. 
C) As long as parasites are made of cells, they are considered to be alive. 
D) Because they cannot survive outside of the host, parasites are actually not considered alive. 
A) Survival outside of a host is not a requirement for life. 
B) Parasites are still considered alive because they are studied by biologists, and biology is the study of life. 
C) As long as parasites are made of cells, they are considered to be alive. 
D) Because they cannot survive outside of the host, parasites are actually not considered alive.

Question 8

Use the following graph to answer the following question(s).  
-Regardless of the amount of fat contained in cookies, the most common cell size in a cookie was ________.

Accepted Answer

A) very large (larger than 1,500 μm) 
B) very small (smaller than 100 μm) 
C) between 280 and 500 μm 
D) between 1,000 and 15,000 μm 
A) very large (larger than 1,500 μm) 
B) very small (smaller than 100 μm) 
C) between 280 and 500 μm 
D) between 1,000 and 15,000 μm

Question 9

What type of graph is this?

Accepted Answer

A) A bar graph 
B) A pie chart 
C) A scatter plot 
D) A table 
A) A bar graph 
B) A pie chart 
C) A scatter plot 
D) A table

Question 10

Which of the following is not a characteristic of life?

Accepted Answer

A) The ability to reproduce 
B) The ability to move 
C) The ability to grow and develop 
D) The ability to respond to the environment 
A) The ability to reproduce 
B) The ability to move 
C) The ability to grow and develop 
D) The ability to respond to the environment

Question 11

To obtain large, flat cookies, one should use more fat in a recipe.

Accepted Answer

A) True 
 B)False

Question 12

What should one do if the results of an experiment consistently do not support the original hypothesis?

Accepted Answer

A) Change the hypothesis to match the results. 
B) Change the results to match the hypothesis. 
C) Accept the original hypothesis. 
D) Reject the original hypothesis and formulate a new hypothesis. 
A) Change the hypothesis to match the results. 
B) Change the results to match the hypothesis. 
C) Accept the original hypothesis. 
D) Reject the original hypothesis and formulate a new hypothesis.

Question 13

The scientific method has limitations.It can only answer objective questions based on quantitative facts from observable, measurable, and repeatable experiments.It cannot answer subjective questions based on qualitative beliefs or opinions such as the presence of deities and ghosts or who makes the best doughnut.Could the scientific method theoretically be used to answer the question, "Does throwing a virgin into a volcano prevent it from erupting?" Support your answer.

Accepted Answer

While unethical, after defining a few te

Question 14

What does the term theory mean to a scientist?

Accepted Answer

A) A guess 
B) A proposed explanation for an observed phenomenon 
C) A hypothesis that has been supported by the evidence of one experiment 
D) A hypothesis that has been supported by a large number of experiments 
A) A guess 
B) A proposed explanation for an observed phenomenon 
C) A hypothesis that has been supported by the evidence of one experiment 
D) A hypothesis that has been supported by a large number of experiments

Question 15

Name at least three organs that are part of your digestive system.Explain why the organs you chose are in fact organs and not something else.Describe their role in the digestive system.

Accepted Answer

Stomach (chemical digestion), small inte

Question 16

What is the difference between a primary and a secondary source?

Accepted Answer

A) A primary source is the original material published by the scientists, whereas a secondary source is a description of the original material. 
B) A primary source is the raw data before scientists publish, whereas a secondary source is a description of the original material. 
C) A primary source is the original material published by the scientists, whereas a secondary source is the raw data before scientists publish. 
D) There is no difference between primary and secondary sources. 
A) A primary source is the original material published by the scientists, whereas a secondary source is a description of the original material. 
B) A primary source is the raw data before scientists publish, whereas a secondary source is a description of the original material. 
C) A primary source is the original material published by the scientists, whereas a secondary source is the raw data before scientists publish. 
D) There is no difference between primary and secondary sources.

Question 17

You want to know whether cookies made with unbleached flour taste better than cookies made with bleached flour; which of the following has the strongest experimental design to test this question?

Accepted Answer

A) Make two batches of cookies, both with bleached flour; one taster tries both types and ranks which type they like best. 
B) Make two batches of cookies, one with bleached flour and one with unbleached flour; one taster tries both types and ranks which type they like best. 
C) Make two batches of cookies, one with bleached flour and one with unbleached flour; twenty tasters try both types and rank which type they like best. 
D) Make two batches of cookies, one with bleached flour and one with unbleached flour; twenty tasters try both types without knowing which ones they are eating and rank which type they like best. 
A) Make two batches of cookies, both with bleached flour; one taster tries both types and ranks which type they like best. 
B) Make two batches of cookies, one with bleached flour and one with unbleached flour; one taster tries both types and ranks which type they like best. 
C) Make two batches of cookies, one with bleached flour and one with unbleached flour; twenty tasters try both types and rank which type they like best. 
D) Make two batches of cookies, one with bleached flour and one with unbleached flour; twenty tasters try both types without knowing which ones they are eating and rank which type they like best.

Question 18

Which of the following statements cannot be tested by science?

Accepted Answer

A) Male lions sleep 20 hours a day. 
B) Male lions have brown manes. 
C) It is wrong that male lions kill baby lions when taking over a new pride. 
D) All statements can be tested by science. 
A) Male lions sleep 20 hours a day. 
B) Male lions have brown manes. 
C) It is wrong that male lions kill baby lions when taking over a new pride. 
D) All statements can be tested by science.

Question 19

Is the study presented above a controlled experiment?

Accepted Answer

A) Yes, because only the amount of fertilizer was changed, everything else was kept the same. 
B) Yes, because many pots were used. 
C) No, because the experiment was done only once. 
D) No, because several different amounts of fertilizers were used, not just one amount. 
A) Yes, because only the amount of fertilizer was changed, everything else was kept the same. 
B) Yes, because many pots were used. 
C) No, because the experiment was done only once. 
D) No, because several different amounts of fertilizers were used, not just one amount.

Question 20

What is the core theme that unifies all of biology?

Accepted Answer

A) The theory of evolution by natural selection 
B) The flow of information from DNA to proteins 
C) The transformation of energy and matter 
D) The relationship between structure and function 
A) The theory of evolution by natural selection 
B) The flow of information from DNA to proteins 
C) The transformation of energy and matter 
D) The relationship between structure and function

What is misleading about commercials that show "scientific proof" that laundry detergent X is better than another leading brand?

Which of the following represents a double-blind study?

What is typically the first step in the scientific method?

A population consists of ________.

The cookies with the least amount of fat had more cells around 500 μm in size than did the cookies with the most amount of fat.

Certain parasites, such as intestinal tapeworms, cannot survive outside of their host.Why are they still considered alive?

Use the following graph to answer the following question(s). -Regardless of the amount of fat contained in cookies, the most common cell size in a cookie was ________.

What type of graph is this?

Which of the following is not a characteristic of life?

To obtain large, flat cookies, one should use more fat in a recipe.

What should one do if the results of an experiment consistently do not support the original hypothesis?

What does the term theory mean to a scientist?

Name at least three organs that are part of your digestive system.Explain why the organs you chose are in fact organs and not something else.Describe their role in the digestive system.

What is the difference between a primary and a secondary source?

You want to know whether cookies made with unbleached flour taste better than cookies made with bleached flour; which of the following has the strongest experimental design to test this question?

Which of the following statements cannot be tested by science?

Is the study presented above a controlled experiment?

What is the core theme that unifies all of biology?

The Chemistry of Life

The Cell: The Fundamental Unit of Life

Energy and Life

Chromosomes and Inheritance

DNA: The Molecule of Life

Darwinian Evolution

Biodiversity 1: Microscopic Organisms

Biodiversity 2: Fungi and Plants

Biodiversity 3: Animals

Human Body Systems

Ecology

Biology The Core: Appendix

Filters

Exam 1: An Introduction to the Science of Life

What is misleading about commercials that show "scientific proof" that laundry detergent X is better than another leading brand?

Which of the following represents a double-blind study?

What is typically the first step in the scientific method?

A population consists of ________.

The cookies with the least amount of fat had more cells around 500 μm in size than did the cookies with the most amount of fat.

Certain parasites, such as intestinal tapeworms, cannot survive outside of their host.Why are they still considered alive?

Use the following graph to answer the following question(s). -Regardless of the amount of fat contained in cookies, the most common cell size in a cookie was ________.

What type of graph is this?

Which of the following is not a characteristic of life?

To obtain large, flat cookies, one should use more fat in a recipe.

What should one do if the results of an experiment consistently do not support the original hypothesis?

What does the term theory mean to a scientist?

Name at least three organs that are part of your digestive system.Explain why the organs you chose are in fact organs and not something else.Describe their role in the digestive system.

What is the difference between a primary and a secondary source?

You want to know whether cookies made with unbleached flour taste better than cookies made with bleached flour; which of the following has the strongest experimental design to test this question?

Which of the following statements cannot be tested by science?

Is the study presented above a controlled experiment?

What is the core theme that unifies all of biology?

The Chemistry of Life

The Cell: The Fundamental Unit of Life

Energy and Life

Chromosomes and Inheritance

DNA: The Molecule of Life

Darwinian Evolution

Biodiversity 1: Microscopic Organisms

Biodiversity 2: Fungi and Plants

Biodiversity 3: Animals

Human Body Systems

Ecology

Biology The Core: Appendix

Filters