Question 1

What is the advantage to a plant like an orchid producing nectar over a plant like a pine tree that does not produce nectar?

Accepted Answer

A)  Nectar helps disperse pollen by wind
B)  Nectar attracts animals that perform pollination
C)  Nectar provides food for the pollen and growing fruit
D)  Nectar helps disperse pollen by water
E)  Nectar provides a sticky surface for pollen to attach to, promoting fertilizationF) A) and E)
G) A) and B)

Question 2

Staphylococcus aureus became resistant to methicillin because after methicillin was introduced as an antibiotic treatment,the Staphylococcus then mutated in such a way so that methicillin was not harmful.

Accepted Answer

A) True 
 B)False

Question 3

Charles Darwin's proposal is:

Accepted Answer

A)  A standardized variable
B)  A theory
C)  An independent variable
D)  A dependent variable
E)  A hypothesisF) A) and B)
G) None of the above

Question 4

The leaf of a plant is:

Accepted Answer

A)  An organ
B)  A molecule
C)  An organelle
D)  A cell
E)  An organismF) A) and E)
G) A) and B)

Question 5

A moth has which of the following characteristics?

Accepted Answer

A)  An exoskeleton
B)  An open circulatory system
C)  Lungs
D)  An exoskeleton and open circulatory system
E)  An exoskeleton and lungsF) B) and D)
G) B) and C)

Question 6

Some of the original strain of S.aureus bacteria surviving in the presence of methicillin is an example of which of the following?

Accepted Answer

A)  Mutation
B)  Homeostasis
C)  Evolution
D)  Sexual reproduction
E)  Natural selectionF) A) and B)
G) A) and C)

Question 7

Organisms that extract energy from nonliving environments are called:

Accepted Answer

A)  Heterotrophs
B)  Decomposers
C)  Parasites
D)  Endotherms
E)  AutotrophsF) None of the above
G) All of the above

Question 8

In an experiment designed to determine if a fertilizer increased crop yield in tomato plants,the number of tomatoes produced by each plant would be the independent variable.

Accepted Answer

A) True 
 B)False

Question 9

"The most restrictive taxon" and "the ability to breed only among themselves" reference:

Accepted Answer

A)  Members of the same species
B)  Members of the same domain
C)  Members of the same genus
D)  Members of the same family
E)  Members of the same kingdomF) A) and C)
G) B) and C)

Question 10

The 11-inch nectary of the orchid and 8-inch long tongue of the moth are an example of which of the following?

Accepted Answer

A)  Homeostasis
B)  Taxonomy
C)  Development
D)  Coevolution
E)  Asexual reproductionF) A) and B)
G) A) and C)

Question 11

A theory differs from a hypothesis in that a theory:

Accepted Answer

A)  Has more supportive evidence than a hypothesis
B)  Is broader in scope than a hypothesis
C)  Has predictive power
D)  Ties together many existing observations
E)  All are correctF) A) and E)
G) A) and C)

Question 12

In an experiment designed to measure the distance a golf ball is hit by clubs made of different material,the independent variable would be:

Accepted Answer

A)  The wind direction when the experiment took place
B)  The distance the golf ball traveled
C)  The material the golf ball was made of
D)  The speed of the golf club prior to hitting the golf ball
E)  The type of material the club is made ofF) D) and E)
G) B) and D)

Question 13

The cell is the basic unit of life.

Accepted Answer

A) True 
 B)False

Question 14

What is the advantage to the sphinx moth Xanthopan morgani by having an 8-inch long tongue?

Accepted Answer

A)  It is used to attract mates through sexual selection
B)  It can only pollinate one type of flower
C)  It makes flying more efficient
D)  It can be used to capture other flying insects for food
E)  It can reach nectar that no other pollinator can reachF) A) and B)
G) C) and D)

Question 15

A theory is an advanced hypothesis that has been proven to be true.

Accepted Answer

A) True 
 B)False

Question 16

Which of the following is not true about a hypothesis?

Accepted Answer

A)  It can be proven to be true
B)  It can be proven to be false
C)  It is a tentative explanation
D)  It is based on previous knowledge
E)  It must be testable to be usefulF) A) and B)
G) C) and E)

Question 17

In an experimental procedure,what is manipulated by the investigator to determine whether it influences the phenomenon of interest is the:

Accepted Answer

A)  Standardized variable
B)  Control group
C)  Dependent variable
D)  Independent variable
E)  Both control group and standardized variable are correct.F) B) and D)
G) D) and E)

Question 18

An inert substance that resembles the treatment given to an experimental group is:

Accepted Answer

A)  A placebo
B)  A control
C)  A variable
D)  A hypothesis
E)  Never used in an experimentF) A) and E)
G) A) and D)

Question 19

Your strawberry plants produce both fruit and runners.How could they reproduce?

Accepted Answer

A)  Asexually
B)  Sexually
C)  Developmentally
D)  Developmentally and sexually
E)  Sexually and asexuallyF) A) and B)
G) D) and E)

Question 20

Which taxonomic category would include the most closely related organisms?

Accepted Answer

A)  Family
B)  Class
C)  Kingdom
D)  Domain
E)  OrderF) A) and E)
G) C) and D)

Exam 1: What Is Life

"The most restrictive taxon" and "the ability to breed only among themselves" reference:

Correct AnswerverifiedShow Answer

The 11-inch nectary of the orchid and 8-inch long tongue of the moth are an example of which of the following?

Correct AnswerverifiedShow Answer

Charles Darwin's proposal is:

Correct AnswerverifiedShow Answer

A theory is an advanced hypothesis that has been proven to be true.

Correct AnswerverifiedShow Answer

A moth has which of the following characteristics?

Correct AnswerverifiedShow Answer

The cell is the basic unit of life.

Correct AnswerverifiedShow Answer

Organisms that extract energy from nonliving environments are called:

Correct AnswerverifiedShow Answer

A theory differs from a hypothesis in that a theory:

Correct AnswerverifiedShow Answer

Which of the following is not true about a hypothesis?

Correct AnswerverifiedShow Answer

Staphylococcus aureus became resistant to methicillin because after methicillin was introduced as an antibiotic treatment,the Staphylococcus then mutated in such a way so that methicillin was not harmful.

Correct AnswerverifiedShow Answer

Some of the original strain of S.aureus bacteria surviving in the presence of methicillin is an example of which of the following?

Correct AnswerverifiedShow Answer

Your strawberry plants produce both fruit and runners.How could they reproduce?

Correct AnswerverifiedShow Answer

An inert substance that resembles the treatment given to an experimental group is:

Correct AnswerverifiedShow Answer

In an experiment designed to measure the distance a golf ball is hit by clubs made of different material,the independent variable would be:

Correct AnswerverifiedShow Answer

What is the advantage to a plant like an orchid producing nectar over a plant like a pine tree that does not produce nectar?

Correct AnswerverifiedShow Answer

Which taxonomic category would include the most closely related organisms?

Correct AnswerverifiedShow Answer

In an experiment designed to determine if a fertilizer increased crop yield in tomato plants,the number of tomatoes produced by each plant would be the independent variable.

Correct AnswerverifiedShow Answer

The leaf of a plant is:

Correct AnswerverifiedShow Answer

What is the advantage to the sphinx moth Xanthopan morgani by having an 8-inch long tongue?

Correct AnswerverifiedShow Answer

In an experimental procedure,what is manipulated by the investigator to determine whether it influences the phenomenon of interest is the:

Correct AnswerverifiedShow Answer

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