Deck 1: What Is Life

Question 1

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

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

Answer 1

D

Question 2

The four kingdoms included in the domain Eukarya are:

A)Bacteria, fungi, plantae, and animalia
B)Bacteria, protista, plantae, and animalia
C)Protista, fungi, plantae, and animalia
D)Archaea, bacteria, plantae, and animalia
E)Archaea, fungi, plantae, and animalia

Answer 2

C

Question 3

Which of the following is not true about a hypothesis?

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 useful

Answer 3

A

Question 4

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

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 do

Question 5

An ecosystem would include all of the following except:

A)A community
B)A biosphere
C)Populations
D)Organisms
E)None of these are correct

Question 6

A structure consisting of tissues organized to carry out a specific function defines a(an):

A)Organ
B)Cell
C)Population
D)Atom
E)Molecule

Question 7

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

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 kingdom

Question 8

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

A)Autotrophs
B)Plants
C)Heterotrophs
D)Producers
E)Chemotrophs

Question 9

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

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 - species

Question 10

Asexual reproduction differs from sexual reproduction in that:

A)Asexual reproduction produces genetically diverse offspring
B)Asexual reproduction uses DNA to code for traits in offspring
C)Asexual reproduction occurs only in bacteria
D)Asexual reproduction produces offspring that are virtually identical
E)Asexual reproduction does not occur in animals

Question 11

In an experimental procedure what is actually being measured by the investigator is the:

A)Independent variable
B)Dependent variable
C)Control group
D)Standardized variable
E)Both dependent variable and standardized variable are correct

Question 12

Which is the correct sequence for levels of biological organization occurring beyond the individual?

A)Population - ecosystem - community - biosphere
B)Community - population - ecosystem - biosphere
C)Community - population - biosphere - ecosystem
D)Population - community - ecosystem - biosphere
E)Ecosystem - population - biosphere - community

Question 13

Which is the correct sequence for levels of biological organization within an organism?

A)Atom - molecule - organelle - cell - tissue
B)Molecule - atom - organelle - tissue - cell
C)Cell - organelle - atom - tissue - molecule
D)Organelle - molecule - atom - tissue - cell
E)Atom - organelle - molecule - cell - tissue

Question 14

Which of the following is not a true statement about the scientific method?

A)It is a general way of organizing an investigation
B)It is a framework to consider ideas in a repeatable way
C)It begins with observations
D)It does not apply to problems encountered in everyday life
E)It is a framework to consider evidence in a repeatable way

Question 15

Which is not a required characteristic of life?

A)Homeostasis
B)Movement
C)Structural organization
D)Evolution
E)Energy use

Question 16

Which of the following would not be a "control" in an experimental procedure?

A)A placebo
B)A known standard of comparison
C)A normal group
D)An experimental group
E)A "zero-value" group

Question 17

A theory differs from a hypothesis in that a theory:

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 correct

Question 18

Homeostasis means:

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 range

Question 19

Organisms that extract energy from nonliving environments are called:

A)Heterotrophs
B)Decomposers
C)Parasites
D)Endotherms
E)Autotrophs

Question 20

To be considered a living organism,the organism must consist of:

A)DNA and proteins
B)One or more cells
C)RNA and proteins
D)Atoms and molecules
E)DNA and RNA

Question 21

Which taxonomic category would include the most closely related organisms?

A)Family
B)Class
C)Kingdom
D)Domain
E)Order

Question 22

Which of the following are independent variables in this experiment?

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 and amount of light
E)The height of the plants

Question 23

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

A)A placebo
B)A control
C)A variable
D)A hypothesis
E)Never used in an experiment

Question 24

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

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

Question 25

In an experiment,which of the following is not generally a true statement?

A)The larger the sample size the more meaningful the results
B)The smaller the sample size the more meaningful the results
C)Without the proper control an experiment is not valid
D)It is important to standardize aspects of an experiment which might affect the outcome, other than the independent variable
E)None are correct

Question 26

In an experiment designed to measure the distance a golf ball is hit by clubs made of different material,all of the variables would be standardized except:

A)The wind direction when the experiment took place
B)The force used to hit the ball
C)The material the golf ball was made of
D)The type of material the club is made of
E)The angle the ball was hit

Question 27

All ecosystems:

A)Need a continuous outside energy source
B)Once mature never change
C)Are entirely self-sufficient
D)Consist of only living organisms
E)None of the above are correct

Question 28

Which of the following are dependent variables in this experiment?

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 light

Question 29

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

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 of

Question 30

A plant takes up nutrients like ammonium nitrate to maintain:

A)Asexual reproduction
B)Sexual reproduction
C)Natural selection
D)Evolution
E)Homeostasis

Question 31

Which is a correct sequence of steps in the scientific method?

A)Observation - form hypothesis - draw conclusions - design an experiment
B)Observation - draw conclusion - design an experiment - form hypothesis
C)Observation - form hypothesis - design an experiment - collect data
D)Form hypothesis - observation - design an experiment - collect data
E)Form hypothesis - observation - collect data - design an experiment

Question 32

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

A)Ammonium nitrate
B)Light
C)Water
D)Soil
E)Carbon dioxide

Question 33

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

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 variable

Question 34

Which taxonomic category would include the least closely related organisms?

A)Family
B)Genus
C)Order
D)Phylum
E)Class

Question 35

The leaf of a plant is:

A)An organ
B)A molecule
C)An organelle
D)A cell
E)An organism

Question 36

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

A)Asexually
B)Sexually
C)Developmentally
D)Developmentally and sexually
E)Sexually and asexually

Question 37

A plant is:

A)A consumer
B)A decomposer
C)A producer
D)A consumer and decomposer
E)A consumer and producer

Question 38

Ammonium nitrate is:

A)An atom
B)A molecule
C)A cell
D)A tissue
E)A biosphere

Question 39

Which class do humans belong to?

A)Animalia
B)Mammalia
C)Primates
D)Eukarya
E)Hominidae

Question 40

The correct sequence going from smallest to largest is:

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 - tissue

Question 41

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

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 reach

Question 42

To survive on land an orchid would have which of the following adaptations?

A)Stomata
B)Stomata and a vascular system
C)A vascular system
D)Chloroplasts
E)Chloroplasts and stomata

Question 43

What did Charles Darwin propose after observing the 11-inch long nectarines of the Angraecum sesquipedale orchid in Madagascar?

A)The existence of a moth with a proboscis of 10-11 inches
B)The existence of a bird with a proboscis of 10-11 inches
C)The presence of very small bees that can fit into a long nectar
D)That the orchid must reproduce asexually
E)That the orchid was an evolutionary dead end and could no longer reproduce

Question 44

Which of the following are dependent variables in this experiment?

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

Question 45

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

A)Homeostasis
B)Taxonomy
C)Development
D)Coevolution
E)Asexual reproduction

Question 46

Charles Darwin's proposal is:

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

Question 47

Staphylococcus aureus would have which of the following?

A)Nucleus
B)Cell wall and nucleus
C)Cell wall
D)Cell wall and cell membrane
E)Cell membrane and nucleus

Question 48

Pollination is a step in _____ in a plant.

A)Sexual reproduction
B)Asexual reproduction
C)Development
D)Metabolism
E)Homeostasis

Question 49

Which of the following are independent variables in this experiment?

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 growth

Question 50

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

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 nutrients

Question 51

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

A)Archaea
B)Bacteria
C)Eukarya
D)Animalia
E)Protista

Question 52

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

A)Mutation
B)Homeostasis
C)Evolution
D)Sexual reproduction
E)Natural selection

Question 53

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:

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

Question 54

How would S.aureus bacteria reproduce?

A)Asexually
B)Sexually
C)Sexually and asexually
D)Developmentally
E)Developmentally and sexually

Question 55

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

A)Eukarya
B)Archaea
C)Bacteria
D)Animalia
E)Protista

Question 56

A moth has which of the following characteristics?

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

Question 57

Staphylococcus is which of the following?

A)Species
B)Domain
C)Kingdom
D)Phylum
E)Genus

Question 58

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

A)Species
B)Genus
C)Domain
D)Kingdom
E)Phylum

Question 59

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

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 fertilization

Question 60

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

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 resistant

Question 61

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.

Question 62

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

Question 63

The cell is the basic unit of life.

Question 64

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.

Question 65

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.

Question 66

In an experiment designed to determine if a fertilizer increased crop yield in tomato plants,the amount of sunlight and water the plants received would be standardized variables.

Question 67

The smallest chemical unit of an element is a molecule.

Question 68

Decomposers are a special group of producers.

Question 69

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