question
stringlengths 4
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|---|---|---|---|---|---|
Composed largely of the polysaccharide chitin, the exoskeleton provides an effective barrier defense against most what?
|
[
"pathogens",
"vaccines",
"parasites",
"white blood cells"
] |
pathogens
|
Answer the following multiple-choice question.
Question: Composed largely of the polysaccharide chitin, the exoskeleton provides an effective barrier defense against most what?
Options:
A. pathogens
B. vaccines
C. parasites
D. white blood cells
Which option is correct and why?
|
The correct answer is: pathogens.
|
A
|
Eventually the parent cell will pinch apart to form two identical types of what cells?
|
[
"brother cells",
"father cells",
"daughter cells",
"son cells"
] |
daughter cells
|
Answer the following multiple-choice question.
Question: Eventually the parent cell will pinch apart to form two identical types of what cells?
Options:
A. brother cells
B. father cells
C. daughter cells
D. son cells
Which option is correct and why?
|
The correct answer is: daughter cells.
|
C
|
what does having no natural predators increase?
|
[
"Animal survival",
"in the frog family",
"fur and fat",
"scarce resources",
"hyperthyroidism",
"competition",
"food and shelter",
"expenditures"
] |
expenditures
|
Answer the following multiple-choice question.
Question: what does having no natural predators increase?
Options:
A. Animal survival
B. in the frog family
C. fur and fat
D. scarce resources
E. hyperthyroidism
F. competition
G. food and shelter
H. expenditures
Which option is correct and why?
|
The correct answer is: expenditures.
|
A
|
E. histolytica causes what kind of dysentery?
|
[
"Spastic",
"spicule",
"cocklebur",
"amebic"
] |
amebic
|
Answer the following multiple-choice question.
Question: E. histolytica causes what kind of dysentery?
Options:
A. Spastic
B. spicule
C. cocklebur
D. amebic
Which option is correct and why?
|
The correct answer is: amebic.
|
D
|
What is the term for the number that describes an electron's orbital orientation in space?
|
[
"magnetic quantum number",
"magnetic electron number",
"imaging quantum number",
"relative quantum number"
] |
magnetic quantum number
|
Answer the following multiple-choice question.
Question: What is the term for the number that describes an electron's orbital orientation in space?
Options:
A. magnetic quantum number
B. magnetic electron number
C. imaging quantum number
D. relative quantum number
Which option is correct and why?
|
The correct answer is: magnetic quantum number.
|
A
|
green plants convert water, solar energy, and carbon dioxide into what
|
[
"stone",
"carbohydrates",
"soil",
"Greenhouse gases",
"Greenhouse gasses",
"worms",
"cellulose",
"food and shelter"
] |
carbohydrates
|
Answer the following multiple-choice question.
Question: green plants convert water, solar energy, and carbon dioxide into what
Options:
A. stone
B. carbohydrates
C. soil
D. Greenhouse gases
E. Greenhouse gasses
F. worms
G. cellulose
H. food and shelter
Which option is correct and why?
|
The correct answer is: carbohydrates.
|
B
|
Relocating a stalled vehicle requires a lot of
|
[
"slopes",
"force",
"wind",
"gravity"
] |
force
|
Answer the following multiple-choice question.
Question: Relocating a stalled vehicle requires a lot of
Options:
A. slopes
B. force
C. wind
D. gravity
Which option is correct and why?
|
The correct answer is: force.
|
B
|
Teak can be found in
|
[
"glacier sheets",
"blue songs",
"groves",
"underwater trenches"
] |
groves
|
Answer the following multiple-choice question.
Question: Teak can be found in
Options:
A. glacier sheets
B. blue songs
C. groves
D. underwater trenches
Which option is correct and why?
|
The correct answer is: groves.
|
C
|
What is the fastest land animal?
|
[
"ostrich",
"rhino",
"cheetah",
"greyhound"
] |
cheetah
|
Answer the following multiple-choice question.
Question: What is the fastest land animal?
Options:
A. ostrich
B. rhino
C. cheetah
D. greyhound
Which option is correct and why?
|
The correct answer is: cheetah.
|
C
|
Why is uranus so faint?
|
[
"too small",
"polluted atmosphere",
"far away",
"too cold"
] |
far away
|
Answer the following multiple-choice question.
Question: Why is uranus so faint?
Options:
A. too small
B. polluted atmosphere
C. far away
D. too cold
Which option is correct and why?
|
The correct answer is: far away.
|
C
|
What have a negative impact on an organism?
|
[
"influenza",
"smallpox",
"cancer",
"chickenpox",
"viruses",
"Pollution",
"pathogens",
"steroids"
] |
pathogens
|
Answer the following multiple-choice question.
Question: What have a negative impact on an organism?
Options:
A. influenza
B. smallpox
C. cancer
D. chickenpox
E. viruses
F. Pollution
G. pathogens
H. steroids
Which option is correct and why?
|
The correct answer is: pathogens.
|
A
|
If your hand is being burned on a stove
|
[
"you will feel cool",
"you will be chilled",
"your nervousness will disappear",
"your nerves will make you aware"
] |
your nerves will make you aware
|
Answer the following multiple-choice question.
Question: If your hand is being burned on a stove
Options:
A. you will feel cool
B. you will be chilled
C. your nervousness will disappear
D. your nerves will make you aware
Which option is correct and why?
|
The correct answer is: your nerves will make you aware.
|
D
|
What word describes a change in behavior that occurs as a result of experience?
|
[
"learning",
"heredity",
"taking",
"applying"
] |
learning
|
Answer the following multiple-choice question.
Question: What word describes a change in behavior that occurs as a result of experience?
Options:
A. learning
B. heredity
C. taking
D. applying
Which option is correct and why?
|
The correct answer is: learning.
|
A
|
Anything that has mass and takes up space is considered what?
|
[
"matter",
"power",
"energy",
"light"
] |
matter
|
Answer the following multiple-choice question.
Question: Anything that has mass and takes up space is considered what?
Options:
A. matter
B. power
C. energy
D. light
Which option is correct and why?
|
The correct answer is: matter.
|
A
|
A laser produces a light source, which may be useful in
|
[
"cleaning a glass",
"juggling stones",
"playing with felines",
"doing the dishes"
] |
playing with felines
|
Answer the following multiple-choice question.
Question: A laser produces a light source, which may be useful in
Options:
A. cleaning a glass
B. juggling stones
C. playing with felines
D. doing the dishes
Which option is correct and why?
|
The correct answer is: playing with felines.
|
C
|
There are three basic types of hormones: lipid-derived, amino acid-derived, and what?
|
[
"manipulated",
"secreted",
"acidic",
"peptide"
] |
peptide
|
Answer the following multiple-choice question.
Question: There are three basic types of hormones: lipid-derived, amino acid-derived, and what?
Options:
A. manipulated
B. secreted
C. acidic
D. peptide
Which option is correct and why?
|
The correct answer is: peptide.
|
D
|
Lack of proper food over a period of time can lead to what condition, where the body is not getting enough nutrients to grow and stay healthy?
|
[
"anemia",
"bulimia",
"mortality",
"malnutrition"
] |
malnutrition
|
Answer the following multiple-choice question.
Question: Lack of proper food over a period of time can lead to what condition, where the body is not getting enough nutrients to grow and stay healthy?
Options:
A. anemia
B. bulimia
C. mortality
D. malnutrition
Which option is correct and why?
|
The correct answer is: malnutrition.
|
D
|
The desert rat has evolved traits that help it live with low supplies of water, what is this an example of?
|
[
"acquired heuristics",
"acquired characteristics",
"acquired interests",
"acquired statistics"
] |
acquired characteristics
|
Answer the following multiple-choice question.
Question: The desert rat has evolved traits that help it live with low supplies of water, what is this an example of?
Options:
A. acquired heuristics
B. acquired characteristics
C. acquired interests
D. acquired statistics
Which option is correct and why?
|
The correct answer is: acquired characteristics.
|
B
|
Male dogs use_ in urine to mark their territory.
|
[
"ammonia",
"Chemical energy",
"proteins",
"semiochemicals",
"animals",
"heat produced",
"nitric oxide",
"They have thick fur"
] |
semiochemicals
|
Answer the following multiple-choice question.
Question: Male dogs use_ in urine to mark their territory.
Options:
A. ammonia
B. Chemical energy
C. proteins
D. semiochemicals
E. animals
F. heat produced
G. nitric oxide
H. They have thick fur
Which option is correct and why?
|
The correct answer is: semiochemicals.
|
D
|
Epiphytes can eventually lead to the production of what?
|
[
"iron",
"plastic",
"paper",
"food",
"steel",
"bushes",
"plants",
"flowers"
] |
paper
|
Answer the following multiple-choice question.
Question: Epiphytes can eventually lead to the production of what?
Options:
A. iron
B. plastic
C. paper
D. food
E. steel
F. bushes
G. plants
H. flowers
Which option is correct and why?
|
The correct answer is: paper.
|
C
|
What could the last dodo birds not produce?
|
[
"coded genes",
"offspring",
"sounds",
"Bodily water",
"feces",
"sperm",
"feathers",
"heat energy"
] |
offspring
|
Answer the following multiple-choice question.
Question: What could the last dodo birds not produce?
Options:
A. coded genes
B. offspring
C. sounds
D. Bodily water
E. feces
F. sperm
G. feathers
H. heat energy
Which option is correct and why?
|
The correct answer is: offspring.
|
B
|
what happens when a cooler object touches a warmer object?
|
[
"Temperature changing",
"they die",
"thermometer",
"flow of electrons",
"heat removed from the center",
"matter vibrating",
"h2o loss",
"converting electricity to heat"
] |
heat removed from the center
|
Answer the following multiple-choice question.
Question: what happens when a cooler object touches a warmer object?
Options:
A. Temperature changing
B. they die
C. thermometer
D. flow of electrons
E. heat removed from the center
F. matter vibrating
G. h2o loss
H. converting electricity to heat
Which option is correct and why?
|
The correct answer is: heat removed from the center.
|
E
|
the summer solstice is on June 21st in the
|
[
"in the south pacific",
"upper portion of earth",
"lower portion of earth",
"the equator near the tropics"
] |
upper portion of earth
|
Answer the following multiple-choice question.
Question: the summer solstice is on June 21st in the
Options:
A. in the south pacific
B. upper portion of earth
C. lower portion of earth
D. the equator near the tropics
Which option is correct and why?
|
The correct answer is: upper portion of earth.
|
B
|
The bones of the skull are connected by what type of joints?
|
[
"pivoting",
"immovable",
"semi-mobile",
"adjustable"
] |
immovable
|
Answer the following multiple-choice question.
Question: The bones of the skull are connected by what type of joints?
Options:
A. pivoting
B. immovable
C. semi-mobile
D. adjustable
Which option is correct and why?
|
The correct answer is: immovable.
|
B
|
What two basic types of feather does a bird have?
|
[
"carrying and down",
"up and down",
"flight and down",
"flight and landing"
] |
flight and down
|
Answer the following multiple-choice question.
Question: What two basic types of feather does a bird have?
Options:
A. carrying and down
B. up and down
C. flight and down
D. flight and landing
Which option is correct and why?
|
The correct answer is: flight and down.
|
C
|
What causes a voltage to exist across the membrane in cells?
|
[
"increase in energy",
"same charge",
"insulators",
"difference in charges"
] |
difference in charges
|
Answer the following multiple-choice question.
Question: What causes a voltage to exist across the membrane in cells?
Options:
A. increase in energy
B. same charge
C. insulators
D. difference in charges
Which option is correct and why?
|
The correct answer is: difference in charges.
|
D
|
What is used for keeping food fresh for a long period of time?
|
[
"Gardens",
"an electric stove",
"A kitchen appliance",
"Fuel cells",
"Plates",
"Air freshener",
"Electric generators",
"electricity"
] |
A kitchen appliance
|
Answer the following multiple-choice question.
Question: What is used for keeping food fresh for a long period of time?
Options:
A. Gardens
B. an electric stove
C. A kitchen appliance
D. Fuel cells
E. Plates
F. Air freshener
G. Electric generators
H. electricity
Which option is correct and why?
|
The correct answer is: A kitchen appliance.
|
C
|
Which natural process can cause erosion?
|
[
"rivers",
"Earthquakes",
"ice wedging",
"Flooding",
"coastlines",
"Tornados",
"wind",
"Volcanos"
] |
Flooding
|
Answer the following multiple-choice question.
Question: Which natural process can cause erosion?
Options:
A. rivers
B. Earthquakes
C. ice wedging
D. Flooding
E. coastlines
F. Tornados
G. wind
H. Volcanos
Which option is correct and why?
|
The correct answer is: Flooding.
|
D
|
What type of radiation from the sun reaches earth across space striking everything on earth’s surface?
|
[
"static",
"particle",
"seismic",
"electromagnetic"
] |
electromagnetic
|
Answer the following multiple-choice question.
Question: What type of radiation from the sun reaches earth across space striking everything on earth’s surface?
Options:
A. static
B. particle
C. seismic
D. electromagnetic
Which option is correct and why?
|
The correct answer is: electromagnetic.
|
D
|
A diploid zygote is formed when one sperm does what?
|
[
"incapacitates the egg",
"cracks the egg",
"fertilizes the egg",
"repels the egg"
] |
fertilizes the egg
|
Answer the following multiple-choice question.
Question: A diploid zygote is formed when one sperm does what?
Options:
A. incapacitates the egg
B. cracks the egg
C. fertilizes the egg
D. repels the egg
Which option is correct and why?
|
The correct answer is: fertilizes the egg.
|
C
|
heat causes
|
[
"heating liquids",
"energy of moving objects",
"global warming",
"insects to hatch",
"sweating",
"electricity",
"Greenhouse gases",
"kinetic energy"
] |
insects to hatch
|
Answer the following multiple-choice question.
Question: heat causes
Options:
A. heating liquids
B. energy of moving objects
C. global warming
D. insects to hatch
E. sweating
F. electricity
G. Greenhouse gases
H. kinetic energy
Which option is correct and why?
|
The correct answer is: insects to hatch.
|
D
|
What part of the backyard is cooler than the other parts?
|
[
"the part by the fence",
"the part with the grass",
"the part by the pool",
"the part by the oak tree"
] |
the part by the oak tree
|
Answer the following multiple-choice question.
Question: What part of the backyard is cooler than the other parts?
Options:
A. the part by the fence
B. the part with the grass
C. the part by the pool
D. the part by the oak tree
Which option is correct and why?
|
The correct answer is: the part by the oak tree.
|
D
|
If a person wants to save the environment, a thing they can try is
|
[
"using more Styrofoam",
"buying more stuff",
"reusing plastic dishware",
"burning more plastic"
] |
reusing plastic dishware
|
Answer the following multiple-choice question.
Question: If a person wants to save the environment, a thing they can try is
Options:
A. using more Styrofoam
B. buying more stuff
C. reusing plastic dishware
D. burning more plastic
Which option is correct and why?
|
The correct answer is: reusing plastic dishware.
|
C
|
Shivering and adipose tissue called brown fat are used by mammals in particular to produce what?
|
[
"heat",
"nutrition",
"blood",
"energy"
] |
heat
|
Answer the following multiple-choice question.
Question: Shivering and adipose tissue called brown fat are used by mammals in particular to produce what?
Options:
A. heat
B. nutrition
C. blood
D. energy
Which option is correct and why?
|
The correct answer is: heat.
|
A
|
From what do tubeworms found deep in the galapagos rift get their energy from?
|
[
"chemosynthetic fish",
"chemosynthetic bacteria",
"chemosynthetic viruses",
"chemosynthetic plants"
] |
chemosynthetic bacteria
|
Answer the following multiple-choice question.
Question: From what do tubeworms found deep in the galapagos rift get their energy from?
Options:
A. chemosynthetic fish
B. chemosynthetic bacteria
C. chemosynthetic viruses
D. chemosynthetic plants
Which option is correct and why?
|
The correct answer is: chemosynthetic bacteria.
|
B
|
What consists of organic molecules that store energy in their chemical bonds?
|
[
"source of genes",
"source of information",
"source of water",
"solid, liquid, gas",
"source of nutrients",
"vegetation",
"by making heat",
"Organic compounds"
] |
source of nutrients
|
Answer the following multiple-choice question.
Question: What consists of organic molecules that store energy in their chemical bonds?
Options:
A. source of genes
B. source of information
C. source of water
D. solid, liquid, gas
E. source of nutrients
F. vegetation
G. by making heat
H. Organic compounds
Which option is correct and why?
|
The correct answer is: source of nutrients.
|
E
|
For plants, what is the difference between running and standing water?
|
[
"wind and rain",
"precipitation",
"distance",
"healthier",
"seasons",
"temperature",
"heat produced",
"root growth"
] |
healthier
|
Answer the following multiple-choice question.
Question: For plants, what is the difference between running and standing water?
Options:
A. wind and rain
B. precipitation
C. distance
D. healthier
E. seasons
F. temperature
G. heat produced
H. root growth
Which option is correct and why?
|
The correct answer is: healthier.
|
D
|
A major source of primary pollutants is the burning of oil and coal, which are types of what?
|
[
"greenhouse gases",
"renewable fuels",
"erosion fuels",
"fossil fuels"
] |
fossil fuels
|
Answer the following multiple-choice question.
Question: A major source of primary pollutants is the burning of oil and coal, which are types of what?
Options:
A. greenhouse gases
B. renewable fuels
C. erosion fuels
D. fossil fuels
Which option is correct and why?
|
The correct answer is: fossil fuels.
|
D
|
Differences in fitness among different members of a population can lead to what kind of selection?
|
[
"fluid selection",
"natural selection",
"origin selection",
"subliminal selection"
] |
natural selection
|
Answer the following multiple-choice question.
Question: Differences in fitness among different members of a population can lead to what kind of selection?
Options:
A. fluid selection
B. natural selection
C. origin selection
D. subliminal selection
Which option is correct and why?
|
The correct answer is: natural selection.
|
B
|
What is used for adjusting to hot temperatures by some animals?
|
[
"secretion",
"autoregulation",
"evaporation",
"hibernation",
"hormones",
"hydration",
"perspiration",
"Pituitary gland"
] |
perspiration
|
Answer the following multiple-choice question.
Question: What is used for adjusting to hot temperatures by some animals?
Options:
A. secretion
B. autoregulation
C. evaporation
D. hibernation
E. hormones
F. hydration
G. perspiration
H. Pituitary gland
Which option is correct and why?
|
The correct answer is: perspiration.
|
A
|
What is the study of things with cells?
|
[
"etomology",
"properties",
"cell towers",
"disease",
"animals",
"archaelogy",
"biology",
"fungi"
] |
biology
|
Answer the following multiple-choice question.
Question: What is the study of things with cells?
Options:
A. etomology
B. properties
C. cell towers
D. disease
E. animals
F. archaelogy
G. biology
H. fungi
Which option is correct and why?
|
The correct answer is: biology.
|
A
|
what decreases your stamina when you smoke it?
|
[
"cigarettes",
"dry conditions",
"toxins",
"Dehydration",
"hydrogen",
"h2o",
"fire",
"liver cancer"
] |
cigarettes
|
Answer the following multiple-choice question.
Question: what decreases your stamina when you smoke it?
Options:
A. cigarettes
B. dry conditions
C. toxins
D. Dehydration
E. hydrogen
F. h2o
G. fire
H. liver cancer
Which option is correct and why?
|
The correct answer is: cigarettes.
|
A
|
What are needed to build cells?
|
[
"hormones",
"food",
"RNA",
"isotopes",
"fats",
"clorophyll",
"DNA",
"p53"
] |
DNA
|
Answer the following multiple-choice question.
Question: What are needed to build cells?
Options:
A. hormones
B. food
C. RNA
D. isotopes
E. fats
F. clorophyll
G. DNA
H. p53
Which option is correct and why?
|
The correct answer is: DNA.
|
A
|
Creating wood-free paper does not require doing what?
|
[
"deforestation",
"destroying trees",
"Dehydration",
"kill them",
"killing insects",
"Pollution",
"competing for resources",
"to move people"
] |
destroying trees
|
Answer the following multiple-choice question.
Question: Creating wood-free paper does not require doing what?
Options:
A. deforestation
B. destroying trees
C. Dehydration
D. kill them
E. killing insects
F. Pollution
G. competing for resources
H. to move people
Which option is correct and why?
|
The correct answer is: destroying trees.
|
B
|
if a bush fire breaks out without human action, what might have happened?
|
[
"the mercury read high in the thermometer that day",
"it was a cloudy day",
"it was a very rainy day",
"it was a very cold day"
] |
the mercury read high in the thermometer that day
|
Answer the following multiple-choice question.
Question: if a bush fire breaks out without human action, what might have happened?
Options:
A. the mercury read high in the thermometer that day
B. it was a cloudy day
C. it was a very rainy day
D. it was a very cold day
Which option is correct and why?
|
The correct answer is: the mercury read high in the thermometer that day.
|
A
|
What is the measure for how fast or slow something moves?
|
[
"inertia",
"speed",
"momentum",
"kinetic energy"
] |
speed
|
Answer the following multiple-choice question.
Question: What is the measure for how fast or slow something moves?
Options:
A. inertia
B. speed
C. momentum
D. kinetic energy
Which option is correct and why?
|
The correct answer is: speed.
|
B
|
What branch of science offers an overview of the physiology of humans?
|
[
"marine biology",
"engineer",
"geology",
"human biology"
] |
human biology
|
Answer the following multiple-choice question.
Question: What branch of science offers an overview of the physiology of humans?
Options:
A. marine biology
B. engineer
C. geology
D. human biology
Which option is correct and why?
|
The correct answer is: human biology.
|
D
|
What causes eutrophication to occur?
|
[
"excess of fertilizers and other nutrients",
"excess of carbonate and other nutrients",
"excess of decreased and other nutrients",
"excess of increased and other nutrients"
] |
excess of fertilizers and other nutrients
|
Answer the following multiple-choice question.
Question: What causes eutrophication to occur?
Options:
A. excess of fertilizers and other nutrients
B. excess of carbonate and other nutrients
C. excess of decreased and other nutrients
D. excess of increased and other nutrients
Which option is correct and why?
|
The correct answer is: excess of fertilizers and other nutrients.
|
A
|
What can cause flooding?
|
[
"Tropical",
"fire",
"solar panels",
"Pesticides",
"hurricanes",
"windmills",
"erosion",
"rainfall"
] |
hurricanes
|
Answer the following multiple-choice question.
Question: What can cause flooding?
Options:
A. Tropical
B. fire
C. solar panels
D. Pesticides
E. hurricanes
F. windmills
G. erosion
H. rainfall
Which option is correct and why?
|
The correct answer is: hurricanes.
|
E
|
what do flowers tend to attract?
|
[
"insects",
"hummingbirds",
"honeybees",
"orchids",
"seagulls",
"disease",
"h2o",
"colors"
] |
hummingbirds
|
Answer the following multiple-choice question.
Question: what do flowers tend to attract?
Options:
A. insects
B. hummingbirds
C. honeybees
D. orchids
E. seagulls
F. disease
G. h2o
H. colors
Which option is correct and why?
|
The correct answer is: hummingbirds.
|
B
|
A platypus is an example of _.
|
[
"Marsupial.",
"Monotremes.",
"insects",
"animals",
"killing insects",
"Amphibian.",
"Placental mammal.",
"matter vibrating"
] |
Monotremes.
|
Answer the following multiple-choice question.
Question: A platypus is an example of _.
Options:
A. Marsupial.
B. Monotremes.
C. insects
D. animals
E. killing insects
F. Amphibian.
G. Placental mammal.
H. matter vibrating
Which option is correct and why?
|
The correct answer is: Monotremes..
|
B
|
What are the two main types of diabetes?
|
[
"type a, b",
"type 3, 4",
"type 0, 1",
"type 1, type 2"
] |
type 1, type 2
|
Answer the following multiple-choice question.
Question: What are the two main types of diabetes?
Options:
A. type a, b
B. type 3, 4
C. type 0, 1
D. type 1, type 2
Which option is correct and why?
|
The correct answer is: type 1, type 2.
|
D
|
what reproduces sexually?
|
[
"Most plants",
"sea squirts",
"Conifers",
"insects",
"humans",
"orchids",
"barnacles",
"fur seals"
] |
sea squirts
|
Answer the following multiple-choice question.
Question: what reproduces sexually?
Options:
A. Most plants
B. sea squirts
C. Conifers
D. insects
E. humans
F. orchids
G. barnacles
H. fur seals
Which option is correct and why?
|
The correct answer is: sea squirts.
|
B
|
_ is the breakdown of rock.
|
[
"Weathering",
"mechanical",
"salinity",
"heat energy",
"dangerous",
"cycles",
"calcite",
"started"
] |
Weathering
|
Answer the following multiple-choice question.
Question: _ is the breakdown of rock.
Options:
A. Weathering
B. mechanical
C. salinity
D. heat energy
E. dangerous
F. cycles
G. calcite
H. started
Which option is correct and why?
|
The correct answer is: Weathering.
|
A
|
Rainbows need
|
[
"leprechauns and pots of gold",
"rain and dark skies",
"sun and some drizzle",
"sun and clear skies"
] |
sun and some drizzle
|
Answer the following multiple-choice question.
Question: Rainbows need
Options:
A. leprechauns and pots of gold
B. rain and dark skies
C. sun and some drizzle
D. sun and clear skies
Which option is correct and why?
|
The correct answer is: sun and some drizzle.
|
C
|
What type of organism are fungi?
|
[
"graptolites",
"more abundant",
"multicellular",
"fertile",
"homogenous",
"Allergies",
"Conifers",
"aerobic capacity"
] |
multicellular
|
Answer the following multiple-choice question.
Question: What type of organism are fungi?
Options:
A. graptolites
B. more abundant
C. multicellular
D. fertile
E. homogenous
F. Allergies
G. Conifers
H. aerobic capacity
Which option is correct and why?
|
The correct answer is: multicellular.
|
C
|
What does violence cause?
|
[
"Fight-or-flight response",
"life",
"luck",
"fun",
"a lot of human deaths",
"get chemical reactions started",
"a tree falling",
"population movement"
] |
Fight-or-flight response
|
Answer the following multiple-choice question.
Question: What does violence cause?
Options:
A. Fight-or-flight response
B. life
C. luck
D. fun
E. a lot of human deaths
F. get chemical reactions started
G. a tree falling
H. population movement
Which option is correct and why?
|
The correct answer is: Fight-or-flight response.
|
A
|
The heterotroph eats only or mainly what?
|
[
"roots",
"plants",
"decomposers",
"animals"
] |
plants
|
Answer the following multiple-choice question.
Question: The heterotroph eats only or mainly what?
Options:
A. roots
B. plants
C. decomposers
D. animals
Which option is correct and why?
|
The correct answer is: plants.
|
B
|
What has an increased population size over time?
|
[
"trout",
"dolphins",
"squids",
"Frogs",
"dodos",
"koalas",
"white lions",
"Tasmanian tigers"
] |
koalas
|
Answer the following multiple-choice question.
Question: What has an increased population size over time?
Options:
A. trout
B. dolphins
C. squids
D. Frogs
E. dodos
F. koalas
G. white lions
H. Tasmanian tigers
Which option is correct and why?
|
The correct answer is: koalas.
|
A
|
What is the process where sperm from the pollen of one flower fertilizes the egg of another flower?
|
[
"mitosis",
"cross-pollination",
"inter-pollination",
"static pollination"
] |
cross-pollination
|
Answer the following multiple-choice question.
Question: What is the process where sperm from the pollen of one flower fertilizes the egg of another flower?
Options:
A. mitosis
B. cross-pollination
C. inter-pollination
D. static pollination
Which option is correct and why?
|
The correct answer is: cross-pollination.
|
B
|
Enzymes - proteins which speed up what?
|
[
"crystals reactions",
"physical reactions",
"liquid reactions",
"chemical reactions"
] |
chemical reactions
|
Answer the following multiple-choice question.
Question: Enzymes - proteins which speed up what?
Options:
A. crystals reactions
B. physical reactions
C. liquid reactions
D. chemical reactions
Which option is correct and why?
|
The correct answer is: chemical reactions.
|
D
|
What cells do lymphocytes originate from in the bone marrow?
|
[
"calcium cells",
"kahp cells",
"brain cells",
"stem cells"
] |
stem cells
|
Answer the following multiple-choice question.
Question: What cells do lymphocytes originate from in the bone marrow?
Options:
A. calcium cells
B. kahp cells
C. brain cells
D. stem cells
Which option is correct and why?
|
The correct answer is: stem cells.
|
D
|
What type of oceans are hostile to algae and cytoplankton?
|
[
"shallower",
"colder",
"deeper",
"warmer"
] |
warmer
|
Answer the following multiple-choice question.
Question: What type of oceans are hostile to algae and cytoplankton?
Options:
A. shallower
B. colder
C. deeper
D. warmer
Which option is correct and why?
|
The correct answer is: warmer.
|
D
|
Shifting in the Earth's crust are caused by what?
|
[
"Greenhouse gases",
"rock beds",
"friction",
"avalanches",
"fault in rocks",
"no movement in the crust",
"Movement",
"Time and energy"
] |
fault in rocks
|
Answer the following multiple-choice question.
Question: Shifting in the Earth's crust are caused by what?
Options:
A. Greenhouse gases
B. rock beds
C. friction
D. avalanches
E. fault in rocks
F. no movement in the crust
G. Movement
H. Time and energy
Which option is correct and why?
|
The correct answer is: fault in rocks.
|
E
|
Where does the majority of chemical digestion occur?
|
[
"stomach",
"small intestine",
"mouth",
"large intestine"
] |
small intestine
|
Answer the following multiple-choice question.
Question: Where does the majority of chemical digestion occur?
Options:
A. stomach
B. small intestine
C. mouth
D. large intestine
Which option is correct and why?
|
The correct answer is: small intestine.
|
B
|
a protein that prompts an immune response are found where?
|
[
"the skin",
"critical organs",
"epidermis and dermis",
"layers of fat",
"Veins and arteries.",
"at or near the margins",
"Earth orbiting the Sun",
"on cancer cells"
] |
on cancer cells
|
Answer the following multiple-choice question.
Question: a protein that prompts an immune response are found where?
Options:
A. the skin
B. critical organs
C. epidermis and dermis
D. layers of fat
E. Veins and arteries.
F. at or near the margins
G. Earth orbiting the Sun
H. on cancer cells
Which option is correct and why?
|
The correct answer is: on cancer cells.
|
A
|
What falls on the windward side of the mountain range?
|
[
"Inches",
"rain",
"mountains",
"lava",
"snow",
"Vapor",
"thunder",
"waves"
] |
rain
|
Answer the following multiple-choice question.
Question: What falls on the windward side of the mountain range?
Options:
A. Inches
B. rain
C. mountains
D. lava
E. snow
F. Vapor
G. thunder
H. waves
Which option is correct and why?
|
The correct answer is: rain.
|
B
|
Recycling products such as papers can help the environment to
|
[
"demolish",
"heal",
"fall apart",
"be destroyed"
] |
heal
|
Answer the following multiple-choice question.
Question: Recycling products such as papers can help the environment to
Options:
A. demolish
B. heal
C. fall apart
D. be destroyed
Which option is correct and why?
|
The correct answer is: heal.
|
B
|
If a machine only changes the direction of a force without changing the ratio of the output/input forces, then what is its associated mechanical advantage?
|
[
"1",
"4",
"1.5",
"2"
] |
1
|
Answer the following multiple-choice question.
Question: If a machine only changes the direction of a force without changing the ratio of the output/input forces, then what is its associated mechanical advantage?
Options:
A. 1
B. 4
C. 1.5
D. 2
Which option is correct and why?
|
The correct answer is: 1.
|
A
|
What doesn't eliminate waste?
|
[
"plants",
"mushrooms",
"bacteria",
"robots"
] |
robots
|
Answer the following multiple-choice question.
Question: What doesn't eliminate waste?
Options:
A. plants
B. mushrooms
C. bacteria
D. robots
Which option is correct and why?
|
The correct answer is: robots.
|
D
|
What is a solid particle that is indestructible?
|
[
"atom",
"neutron",
"nucleus",
"quark"
] |
atom
|
Answer the following multiple-choice question.
Question: What is a solid particle that is indestructible?
Options:
A. atom
B. neutron
C. nucleus
D. quark
Which option is correct and why?
|
The correct answer is: atom.
|
A
|
If a blind person needs to know which cat has long hair and which has short hair, they can
|
[
"look at it",
"hear it",
"grab it",
"smell it"
] |
grab it
|
Answer the following multiple-choice question.
Question: If a blind person needs to know which cat has long hair and which has short hair, they can
Options:
A. look at it
B. hear it
C. grab it
D. smell it
Which option is correct and why?
|
The correct answer is: grab it.
|
C
|
What may the jointed appendages of arthropods be used for?
|
[
"crawling",
"jumping",
"digging",
"walking"
] |
walking
|
Answer the following multiple-choice question.
Question: What may the jointed appendages of arthropods be used for?
Options:
A. crawling
B. jumping
C. digging
D. walking
Which option is correct and why?
|
The correct answer is: walking.
|
D
|
This famous mountain range in Europe came about due to
|
[
"rocks floating on underground water sources",
"the work of an intelligent force",
"the folding of numerous layers of rock",
"the accumulation of soil over millions of years"
] |
the folding of numerous layers of rock
|
Answer the following multiple-choice question.
Question: This famous mountain range in Europe came about due to
Options:
A. rocks floating on underground water sources
B. the work of an intelligent force
C. the folding of numerous layers of rock
D. the accumulation of soil over millions of years
Which option is correct and why?
|
The correct answer is: the folding of numerous layers of rock.
|
C
|
How does erosion impact a river?
|
[
"enlargening",
"warming",
"heightening",
"shrinking"
] |
enlargening
|
Answer the following multiple-choice question.
Question: How does erosion impact a river?
Options:
A. enlargening
B. warming
C. heightening
D. shrinking
Which option is correct and why?
|
The correct answer is: enlargening.
|
A
|
What term is given to flatworms because they lack a body cavity?
|
[
"acoelomates",
"sporozoans",
"sporazoa",
"pores"
] |
acoelomates
|
Answer the following multiple-choice question.
Question: What term is given to flatworms because they lack a body cavity?
Options:
A. acoelomates
B. sporozoans
C. sporazoa
D. pores
Which option is correct and why?
|
The correct answer is: acoelomates.
|
A
|
What organism carries out only fermentation or anaerobic respiration?
|
[
"obligate anaerobes",
"aldehydes",
"aerobicc enzymes",
"metabolites"
] |
obligate anaerobes
|
Answer the following multiple-choice question.
Question: What organism carries out only fermentation or anaerobic respiration?
Options:
A. obligate anaerobes
B. aldehydes
C. aerobicc enzymes
D. metabolites
Which option is correct and why?
|
The correct answer is: obligate anaerobes.
|
A
|
What protects crops from being eaten?
|
[
"Bright sunlight",
"Pesticides",
"Over watering",
"fur and fat",
"energy barrier",
"layers of fat",
"exoskeleton",
"Dry soil"
] |
Pesticides
|
Answer the following multiple-choice question.
Question: What protects crops from being eaten?
Options:
A. Bright sunlight
B. Pesticides
C. Over watering
D. fur and fat
E. energy barrier
F. layers of fat
G. exoskeleton
H. Dry soil
Which option is correct and why?
|
The correct answer is: Pesticides.
|
B
|
what is generally preceded by flirting in a modern relationship?
|
[
"PDAs",
"ligt",
"Decibels",
"firm hugs",
"friction",
"heat",
"autumn",
"mating"
] |
mating
|
Answer the following multiple-choice question.
Question: what is generally preceded by flirting in a modern relationship?
Options:
A. PDAs
B. ligt
C. Decibels
D. firm hugs
E. friction
F. heat
G. autumn
H. mating
Which option is correct and why?
|
The correct answer is: mating.
|
A
|
what are organisms mostly made out of?
|
[
"limestone",
"food",
"energy",
"rock",
"bacteria",
"matter",
"carbon",
"fat"
] |
carbon
|
Answer the following multiple-choice question.
Question: what are organisms mostly made out of?
Options:
A. limestone
B. food
C. energy
D. rock
E. bacteria
F. matter
G. carbon
H. fat
Which option is correct and why?
|
The correct answer is: carbon.
|
A
|
Most people can survive only a few days without a combination of what?
|
[
"dehydration",
"hydrogen and oxygen",
"food and shelter",
"hydrogen chloride and water",
"scarce resources",
"solid, liquid, gas",
"lemonade and ice water",
"watercolor paints"
] |
hydrogen and oxygen
|
Answer the following multiple-choice question.
Question: Most people can survive only a few days without a combination of what?
Options:
A. dehydration
B. hydrogen and oxygen
C. food and shelter
D. hydrogen chloride and water
E. scarce resources
F. solid, liquid, gas
G. lemonade and ice water
H. watercolor paints
Which option is correct and why?
|
The correct answer is: hydrogen and oxygen.
|
B
|
What is the most important element to life?
|
[
"carbon",
"hydrogen",
"oxygen",
"nitrogen"
] |
carbon
|
Answer the following multiple-choice question.
Question: What is the most important element to life?
Options:
A. carbon
B. hydrogen
C. oxygen
D. nitrogen
Which option is correct and why?
|
The correct answer is: carbon.
|
A
|
Cells secrete acids and bases to maintain enzyme systems what?
|
[
"breakdown",
"failure",
"efficiency",
"it needs them",
"kinetic",
"health",
"distractions",
"state"
] |
efficiency
|
Answer the following multiple-choice question.
Question: Cells secrete acids and bases to maintain enzyme systems what?
Options:
A. breakdown
B. failure
C. efficiency
D. it needs them
E. kinetic
F. health
G. distractions
H. state
Which option is correct and why?
|
The correct answer is: efficiency.
|
C
|
Cells selective for different odorants are interspersed in what anatomical cavity?
|
[
"nasal",
"abdominal",
"facial",
"mucus"
] |
nasal
|
Answer the following multiple-choice question.
Question: Cells selective for different odorants are interspersed in what anatomical cavity?
Options:
A. nasal
B. abdominal
C. facial
D. mucus
Which option is correct and why?
|
The correct answer is: nasal.
|
A
|
What are embedded in the membranes of b cells and bind a variety of antigens through their variable regions?
|
[
"a.m. cell receptors",
"b.a.p cell receptors",
"er cell receptors",
"b cell receptors"
] |
b cell receptors
|
Answer the following multiple-choice question.
Question: What are embedded in the membranes of b cells and bind a variety of antigens through their variable regions?
Options:
A. a.m. cell receptors
B. b.a.p cell receptors
C. er cell receptors
D. b cell receptors
Which option is correct and why?
|
The correct answer is: b cell receptors.
|
D
|
Poetically speaking, nature reserves are islands of what, in a sea of habitat degraded by human activity?
|
[
"biodiversity",
"ecosystem",
"habitats",
"refuge"
] |
biodiversity
|
Answer the following multiple-choice question.
Question: Poetically speaking, nature reserves are islands of what, in a sea of habitat degraded by human activity?
Options:
A. biodiversity
B. ecosystem
C. habitats
D. refuge
Which option is correct and why?
|
The correct answer is: biodiversity.
|
A
|
How do polar bears stay warm in the winter?
|
[
"They have cold blood",
"protect them",
"They eat a lot",
"hard outer covering",
"by indirect light",
"They go swimming",
"They have thick fur",
"When it's cold"
] |
They have thick fur
|
Answer the following multiple-choice question.
Question: How do polar bears stay warm in the winter?
Options:
A. They have cold blood
B. protect them
C. They eat a lot
D. hard outer covering
E. by indirect light
F. They go swimming
G. They have thick fur
H. When it's cold
Which option is correct and why?
|
The correct answer is: They have thick fur.
|
A
|
if a student needed to warm up, which of these would help?
|
[
"all of these",
"sitting by the fireplace",
"sitting next to a running engine",
"turning up the room heater"
] |
all of these
|
Answer the following multiple-choice question.
Question: if a student needed to warm up, which of these would help?
Options:
A. all of these
B. sitting by the fireplace
C. sitting next to a running engine
D. turning up the room heater
Which option is correct and why?
|
The correct answer is: all of these.
|
A
|
A person is going to run around a circle and wants to use a stopwatch in order to _____ time
|
[
"require",
"enjoy",
"find",
"mark"
] |
mark
|
Answer the following multiple-choice question.
Question: A person is going to run around a circle and wants to use a stopwatch in order to _____ time
Options:
A. require
B. enjoy
C. find
D. mark
Which option is correct and why?
|
The correct answer is: mark.
|
D
|
What part of the plant is the main site of photosynthesis?
|
[
"root",
"soil",
"stem",
"leaf"
] |
leaf
|
Answer the following multiple-choice question.
Question: What part of the plant is the main site of photosynthesis?
Options:
A. root
B. soil
C. stem
D. leaf
Which option is correct and why?
|
The correct answer is: leaf.
|
D
|
What is the substance called whenatoms of different elements join together?
|
[
"plants",
"compounds",
"crystals",
"crusts"
] |
compounds
|
Answer the following multiple-choice question.
Question: What is the substance called whenatoms of different elements join together?
Options:
A. plants
B. compounds
C. crystals
D. crusts
Which option is correct and why?
|
The correct answer is: compounds.
|
B
|
a part of birds where what is dominant to curly helps them fly and provides insulation?
|
[
"Animal fur",
"bioaerosols",
"fur and fat",
"Vanes",
"Epidermis",
"sweating",
"staying warm",
"straight"
] |
straight
|
Answer the following multiple-choice question.
Question: a part of birds where what is dominant to curly helps them fly and provides insulation?
Options:
A. Animal fur
B. bioaerosols
C. fur and fat
D. Vanes
E. Epidermis
F. sweating
G. staying warm
H. straight
Which option is correct and why?
|
The correct answer is: straight.
|
A
|
During photosynthesis, what is energy from the sun converted to after entering a plant?
|
[
"chloride",
"Carbon",
"Proteins",
"glucose"
] |
glucose
|
Answer the following multiple-choice question.
Question: During photosynthesis, what is energy from the sun converted to after entering a plant?
Options:
A. chloride
B. Carbon
C. Proteins
D. glucose
Which option is correct and why?
|
The correct answer is: glucose.
|
D
|
What are non-renewable sources of energy that produce environmental damage?
|
[
"sunlight",
"crop fuels",
"wind",
"fossil fuels"
] |
fossil fuels
|
Answer the following multiple-choice question.
Question: What are non-renewable sources of energy that produce environmental damage?
Options:
A. sunlight
B. crop fuels
C. wind
D. fossil fuels
Which option is correct and why?
|
The correct answer is: fossil fuels.
|
D
|
What two element makes up a hyrdocarbon?
|
[
"carbon and hydrogen",
"nitrogen and carbon",
"hydrogen and carbonite",
"helium and carbon"
] |
carbon and hydrogen
|
Answer the following multiple-choice question.
Question: What two element makes up a hyrdocarbon?
Options:
A. carbon and hydrogen
B. nitrogen and carbon
C. hydrogen and carbonite
D. helium and carbon
Which option is correct and why?
|
The correct answer is: carbon and hydrogen.
|
A
|
The food particles are caught by the collar of the choanocyte and brought into the cell by what process?
|
[
"cellular respiration",
"phototropism",
"hippocampus",
"phagocytosis"
] |
phagocytosis
|
Answer the following multiple-choice question.
Question: The food particles are caught by the collar of the choanocyte and brought into the cell by what process?
Options:
A. cellular respiration
B. phototropism
C. hippocampus
D. phagocytosis
Which option is correct and why?
|
The correct answer is: phagocytosis.
|
D
|
The core of a nuclear reactor generates a large amount of what type of energy from the decay of fission products, even when the power-producing fission chain reaction is turned off?
|
[
"thermal",
"evaporation",
"erosion",
"elastic"
] |
thermal
|
Answer the following multiple-choice question.
Question: The core of a nuclear reactor generates a large amount of what type of energy from the decay of fission products, even when the power-producing fission chain reaction is turned off?
Options:
A. thermal
B. evaporation
C. erosion
D. elastic
Which option is correct and why?
|
The correct answer is: thermal.
|
A
|
What is undesirable in a vegetable garden?
|
[
"tomatoes",
"green peppers",
"corn",
"dandelions"
] |
dandelions
|
Answer the following multiple-choice question.
Question: What is undesirable in a vegetable garden?
Options:
A. tomatoes
B. green peppers
C. corn
D. dandelions
Which option is correct and why?
|
The correct answer is: dandelions.
|
D
|
What shares a food source with fish?
|
[
"Energy",
"Energy.",
"animals",
"Chemical energy",
"phytoplankton",
"rocks",
"sea turtles",
"the Sun"
] |
sea turtles
|
Answer the following multiple-choice question.
Question: What shares a food source with fish?
Options:
A. Energy
B. Energy.
C. animals
D. Chemical energy
E. phytoplankton
F. rocks
G. sea turtles
H. the Sun
Which option is correct and why?
|
The correct answer is: sea turtles.
|
A
|
With a shape that specially suits its function of sending nerve signals to other cells, the human nerve cell is an example of what?
|
[
"specialization",
"maturation",
"evolution",
"adaptation"
] |
specialization
|
Answer the following multiple-choice question.
Question: With a shape that specially suits its function of sending nerve signals to other cells, the human nerve cell is an example of what?
Options:
A. specialization
B. maturation
C. evolution
D. adaptation
Which option is correct and why?
|
The correct answer is: specialization.
|
A
|
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