Question 1

The smallest chemical unit of an element is a molecule.

Accepted Answer

A) True 
 B)False

Question 2

Organisms require energy to stay organized.What is the energy source for the plants in your experiment?

Accepted Answer

A)  Ammonium nitrate
B)  Light
C)  Water
D)  Soil
E)  Carbon dioxideF) A) and D)
G) B) and E)

Question 3

You decide to test Charles Darwin's proposal by placing nets over some orchids that allow small pollinators to enter,but prevent the large sphinx moth from entering.You then compare the number of seeds produced by plants with and without the nets.The seed production is:

Accepted Answer

A)  A dependent variable
B)  A hypothesis
C)  A theory
D)  An independent variable
E)  A standardized variableF) A) and B)
G) B) and E)

Question 4

How would S.aureus bacteria reproduce?

Accepted Answer

A)  Asexually
B)  Sexually
C)  Sexually and asexually
D)  Developmentally
E)  Developmentally and sexuallyF) A) and C)
G) B) and E)

Question 5

MRSA infections occur in humans (Homo sapiens) .Homo sapiens are a:

Accepted Answer

A)  Species
B)  Genus
C)  Domain
D)  Kingdom
E)  PhylumF) A) and D)
G) A) and E)

Question 6

The correct sequence of taxonomic categories beginning with domain in descending order are:

Accepted Answer

A)  Kingdom - phylum - order - class - genus - family - species
B)  Kingdom - class - phylum - order - family - genus - species.
C)  Kingdom - phylum - order - class - genus - family - species,
D)  Kingdom - phylum - class - order - family - genus - species
E)  Kingdom - phylum - class - order - genus - family - speciesF) All of the above
G) A) and B)

Question 7

A major difference between bacteria and other living organisms is that bacteria:

Accepted Answer

A)  Have cell walls and other organisms do not
B)  Do not have a nucleus in their cells and other organisms do
C)  Have a nucleus in their cells and other organisms do not
D)  Are autotrophs and other organisms are not
E)  Do not have cell walls and other organisms doF) A) and C)
G) B) and E)

Question 8

What is the advantage to the orchid having an 11-inch long nectary?

Accepted Answer

A)  It can produce nectar over a larger area and attract more pollinators
B)  It can collect more rain water
C)  It can only be pollinated by one species of moth, reducing cross fertilization
D)  It can collect more sunlight for photosynthesis
E)  It can trap insects as a source of nutrientsF) A) and B)
G) B) and D)

Question 9

How could some of the original strain of S.aureus bacteria survive in the presence of methicillin?

Accepted Answer

A)  The methicillin caused mutations in the bacteria
B)  They had pre-existing mutations that gave resistance
C)  The methicillin was no longer active
D)  The methicillin may not have been added to those plates
E)  The bacteria wanted to survive the antibiotic and mutated to become resistantF) B) and D)
G) All of the above

Question 10

An ecosystem would include all of the following except:

Accepted Answer

A)  A community
B)  A biosphere
C)  Populations
D)  Organisms
E)  None of these are correctF) C) and D)
G) A) and B)

Question 11

The "Kingdom" is the most all-inclusive taxonomic category.

Accepted Answer

A) True 
 B)False

Question 12

Which of the following are independent variables in this experiment?

Accepted Answer

A)  The strain of S. aureus
B)  The dose of methicillin
C)  Survival in the presence of methicillin
D)  The agar plates
E)  The time of bacterial growthF) A) and B)
G) A) and C)

Question 13

MRSA infections occur in humans (Homo sapiens) .Homo sapiens are in which domain?

Accepted Answer

A)  Archaea
B)  Bacteria
C)  Eukarya
D)  Animalia
E)  ProtistaF) None of the above
G) C) and D)

Question 14

Which of the following are dependent variables in this experiment?

Accepted Answer

A)  The amount of ammonium nitrate and light
B)  The amount of ammonium nitrate
C)  The amount of light
D)  The height of the plants
E)  The height of the plants and amount of lightF) A) and E)
G) A) and D)

Question 15

Organisms that obtain energy by eating nutrients that make up other organisms are called:

Accepted Answer

A)  Autotrophs
B)  Plants
C)  Heterotrophs
D)  Producers
E)  ChemotrophsF) A) and B)
G) B) and C)

Question 16

Staphylococcus is which of the following?

Accepted Answer

A)  Species
B)  Domain
C)  Kingdom
D)  Phylum
E)  GenusF) B) and C)
G) C) and D)

Question 17

In this experiment the size of the pot should be which of the following?

Accepted Answer

A)  An independent variable
B)  A dependent variable
C)  A standardized variable
D)  Either an independent or dependent variable
E)  Either a dependent or standardized variableF) C) and E)
G) All of the above

Question 18

The correct sequence going from smallest to largest is:

Accepted Answer

A)  Tissue - cell - organelle - molecule - atom
B)  Molecule - atom - organelle - cell - tissue
C)  Atom - molecule - organelle - cell - tissue
D)  Cell - tissue - organelle - molecule - atom
E)  Atom - molecule - cell - organelle - tissueF) A) and E)
G) B) and C)

Question 19

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 dependent variable.

Accepted Answer

A) True 
 B)False

Question 20

Homeostasis means:

Accepted Answer

A)  That a population changes over time
B)  That conditions are held constant and do not change
C)  That cells have enough water
D)  That all organisms require an energy source
E)  That conditions remain within a constant rangeF) None of the above
G) C) and D)

Exam 1: What Is Life

Which of the following are dependent variables in this experiment?

Correct AnswerverifiedShow Answer

The smallest chemical unit of an element is a molecule.

Correct AnswerverifiedShow Answer

In this experiment the size of the pot should be which of the following?

Correct AnswerverifiedShow Answer

Staphylococcus is which of the following?

Correct AnswerverifiedShow Answer

How could some of the original strain of S.aureus bacteria survive in the presence of methicillin?

Correct AnswerverifiedShow Answer

Organisms require energy to stay organized.What is the energy source for the plants in your experiment?

Correct AnswerverifiedShow Answer

The "Kingdom" is the most all-inclusive taxonomic category.

Correct AnswerverifiedShow Answer

A major difference between bacteria and other living organisms is that bacteria:

Correct AnswerverifiedShow Answer

How would S.aureus bacteria reproduce?

Correct AnswerverifiedShow Answer

The correct sequence going from smallest to largest is:

Correct AnswerverifiedShow Answer

MRSA infections occur in humans (Homo sapiens) .Homo sapiens are in which domain?

Correct AnswerverifiedShow Answer

You decide to test Charles Darwin's proposal by placing nets over some orchids that allow small pollinators to enter,but prevent the large sphinx moth from entering.You then compare the number of seeds produced by plants with and without the nets.The seed production is:

Correct AnswerverifiedShow Answer

An ecosystem would include all of the following except:

Correct AnswerverifiedShow Answer

Organisms that obtain energy by eating nutrients that make up other organisms are called:

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 dependent variable.

Correct AnswerverifiedShow Answer

MRSA infections occur in humans (Homo sapiens) .Homo sapiens are a:

Correct AnswerverifiedShow Answer

Which of the following are independent variables in this experiment?

Correct AnswerverifiedShow Answer

What is the advantage to the orchid having an 11-inch long nectary?

Correct AnswerverifiedShow Answer

Homeostasis means:

Correct AnswerverifiedShow Answer

The correct sequence of taxonomic categories beginning with domain in descending order are:

Correct AnswerverifiedShow Answer

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