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|---|---|---|---|---|
How long does it take for earth to rotate on it's axis one time?
|
[
"12 hours",
"6 hours",
"26 hours",
"24 hours"
] |
24 hours
|
Answer the following multiple-choice question.
Question: How long does it take for earth to rotate on it's axis one time?
Options:
A. 12 hours
B. 6 hours
C. 26 hours
D. 24 hours
Which option is correct and why?
|
The correct answer is: 24 hours.
|
All chemical changes involve a transfer of what?
|
[
"Water",
"heating",
"fuel",
"energy"
] |
energy
|
Answer the following multiple-choice question.
Question: All chemical changes involve a transfer of what?
Options:
A. Water
B. heating
C. fuel
D. energy
Which option is correct and why?
|
The correct answer is: energy.
|
What term is used to describe animals with three germ layers?
|
[
"multilayer",
"triplegerm",
"sporozoans",
"triploblasts"
] |
triploblasts
|
Answer the following multiple-choice question.
Question: What term is used to describe animals with three germ layers?
Options:
A. multilayer
B. triplegerm
C. sporozoans
D. triploblasts
Which option is correct and why?
|
The correct answer is: triploblasts.
|
What is the best room in the home to start saving water?
|
[
"the bathroom",
"the kitchen",
"the basement",
"the bedroom"
] |
the bathroom
|
Answer the following multiple-choice question.
Question: What is the best room in the home to start saving water?
Options:
A. the bathroom
B. the kitchen
C. the basement
D. the bedroom
Which option is correct and why?
|
The correct answer is: the bathroom.
|
What can help prevent harm to humans?
|
[
"knives",
"Electric generators",
"An emergency lighting source.",
"acid",
"surgical nitrile gloves",
"cancer",
"reusing materials",
"Electrical energy"
] |
surgical nitrile gloves
|
Answer the following multiple-choice question.
Question: What can help prevent harm to humans?
Options:
A. knives
B. Electric generators
C. An emergency lighting source.
D. acid
E. surgical nitrile gloves
F. cancer
G. reusing materials
H. Electrical energy
Which option is correct and why?
|
The correct answer is: surgical nitrile gloves.
|
John Muir would likely set aside an area for
|
[
"superheroes and villains",
"oaks and chipmunks",
"bankers and politicians",
"cars and boats"
] |
oaks and chipmunks
|
Answer the following multiple-choice question.
Question: John Muir would likely set aside an area for
Options:
A. superheroes and villains
B. oaks and chipmunks
C. bankers and politicians
D. cars and boats
Which option is correct and why?
|
The correct answer is: oaks and chipmunks.
|
All of the planets rotate on their axes in the same direction that they move around the sun, except for which one?
|
[
"venus",
"Jupiter",
"Saturn",
"uranus"
] |
uranus
|
Answer the following multiple-choice question.
Question: All of the planets rotate on their axes in the same direction that they move around the sun, except for which one?
Options:
A. venus
B. Jupiter
C. Saturn
D. uranus
Which option is correct and why?
|
The correct answer is: uranus.
|
What are 2 common growth patterns of population?
|
[
"exponential and economical",
"exponential and logistic",
"organic and inorganic",
"migratory and logistic"
] |
exponential and logistic
|
Answer the following multiple-choice question.
Question: What are 2 common growth patterns of population?
Options:
A. exponential and economical
B. exponential and logistic
C. organic and inorganic
D. migratory and logistic
Which option is correct and why?
|
The correct answer is: exponential and logistic.
|
What does molecules of tRNA bringing amino acids in the correct sequence manufacture?
|
[
"Cooking",
"Energy",
"spectrum",
"lmestone",
"Energy.",
"food",
"protein",
"alleles"
] |
protein
|
Answer the following multiple-choice question.
Question: What does molecules of tRNA bringing amino acids in the correct sequence manufacture?
Options:
A. Cooking
B. Energy
C. spectrum
D. lmestone
E. Energy.
F. food
G. protein
H. alleles
Which option is correct and why?
|
The correct answer is: protein.
|
High areas can be visually represented by:
|
[
"deep sea",
"mountains",
"valleys",
"basins"
] |
mountains
|
Answer the following multiple-choice question.
Question: High areas can be visually represented by:
Options:
A. deep sea
B. mountains
C. valleys
D. basins
Which option is correct and why?
|
The correct answer is: mountains.
|
pollution is when humans pollute the environment with
|
[
"gross stuff",
"water",
"food",
"air"
] |
gross stuff
|
Answer the following multiple-choice question.
Question: pollution is when humans pollute the environment with
Options:
A. gross stuff
B. water
C. food
D. air
Which option is correct and why?
|
The correct answer is: gross stuff.
|
Which organism lacks ribosomes?
|
[
"anemia",
"Bacteria",
"ferns",
"honeybees",
"PDAs",
"genus",
"orchids",
"graptolites"
] |
Bacteria
|
Answer the following multiple-choice question.
Question: Which organism lacks ribosomes?
Options:
A. anemia
B. Bacteria
C. ferns
D. honeybees
E. PDAs
F. genus
G. orchids
H. graptolites
Which option is correct and why?
|
The correct answer is: Bacteria.
|
What happens to old oceanic crust at convergent boundaries?
|
[
"emerges",
"created",
"destroyed",
"dissolves"
] |
destroyed
|
Answer the following multiple-choice question.
Question: What happens to old oceanic crust at convergent boundaries?
Options:
A. emerges
B. created
C. destroyed
D. dissolves
Which option is correct and why?
|
The correct answer is: destroyed.
|
Resistance to pesticides in a population of insects is an example of what?
|
[
"macroevolution",
"microevolution",
"redistributions",
"extinction"
] |
microevolution
|
Answer the following multiple-choice question.
Question: Resistance to pesticides in a population of insects is an example of what?
Options:
A. macroevolution
B. microevolution
C. redistributions
D. extinction
Which option is correct and why?
|
The correct answer is: microevolution.
|
null | null | null | null | null |
What have afferent information inbound?
|
[
"fur seals",
"energy of moving objects",
"electromagnetic energy",
"sensory neurons",
"Electric devices",
"Most invertebrates",
"matter vibrating",
"Veins and arteries."
] |
Most invertebrates
|
Answer the following multiple-choice question.
Question: What have afferent information inbound?
Options:
A. fur seals
B. energy of moving objects
C. electromagnetic energy
D. sensory neurons
E. Electric devices
F. Most invertebrates
G. matter vibrating
H. Veins and arteries.
Which option is correct and why?
|
The correct answer is: Most invertebrates.
|
What does hypoxic mean?
|
[
"standard oxygen level",
"higher oxygen",
"low oxygen",
"Oxygen rate"
] |
low oxygen
|
Answer the following multiple-choice question.
Question: What does hypoxic mean?
Options:
A. standard oxygen level
B. higher oxygen
C. low oxygen
D. Oxygen rate
Which option is correct and why?
|
The correct answer is: low oxygen.
|
Camouflage can be used by animals for hunting
|
[
"trees",
"meals",
"air",
"water"
] |
meals
|
Answer the following multiple-choice question.
Question: Camouflage can be used by animals for hunting
Options:
A. trees
B. meals
C. air
D. water
Which option is correct and why?
|
The correct answer is: meals.
|
Which gender carries the eggs?
|
[
"male",
"animals",
"transexual",
"ducks",
"humans",
"female",
"transgender",
"chickens"
] |
female
|
Answer the following multiple-choice question.
Question: Which gender carries the eggs?
Options:
A. male
B. animals
C. transexual
D. ducks
E. humans
F. female
G. transgender
H. chickens
Which option is correct and why?
|
The correct answer is: female.
|
What is required to burn a building?
|
[
"oxygen",
"voltage",
"sigh",
"ghost",
"words",
"sunlight",
"heat",
"power"
] |
oxygen
|
Answer the following multiple-choice question.
Question: What is required to burn a building?
Options:
A. oxygen
B. voltage
C. sigh
D. ghost
E. words
F. sunlight
G. heat
H. power
Which option is correct and why?
|
The correct answer is: oxygen.
|
A chocolate rabbit melts away from
|
[
"an icy pond",
"a freezer",
"snow",
"a curling iron"
] |
a curling iron
|
Answer the following multiple-choice question.
Question: A chocolate rabbit melts away from
Options:
A. an icy pond
B. a freezer
C. snow
D. a curling iron
Which option is correct and why?
|
The correct answer is: a curling iron.
|
Milk sold in supermarkets is pasteurized because
|
[
"all raw milk is safe",
"to keep bacteria from getting into the milk after the customer buys it",
"the factory farmed cows produce a lot of pus in their milk",
"that makes it taste better"
] |
to keep bacteria from getting into the milk after the customer buys it
|
Answer the following multiple-choice question.
Question: Milk sold in supermarkets is pasteurized because
Options:
A. all raw milk is safe
B. to keep bacteria from getting into the milk after the customer buys it
C. the factory farmed cows produce a lot of pus in their milk
D. that makes it taste better
Which option is correct and why?
|
The correct answer is: to keep bacteria from getting into the milk after the customer buys it.
|
Gas exchange during respiration occurs primarily through what?
|
[
"activation",
"diffusion",
"secretion",
"vaporization"
] |
diffusion
|
Answer the following multiple-choice question.
Question: Gas exchange during respiration occurs primarily through what?
Options:
A. activation
B. diffusion
C. secretion
D. vaporization
Which option is correct and why?
|
The correct answer is: diffusion.
|
Destructive interference in waves occurs when what things overlap?
|
[
"two waves",
"three troughs",
"two troughs",
"three waves"
] |
two troughs
|
Answer the following multiple-choice question.
Question: Destructive interference in waves occurs when what things overlap?
Options:
A. two waves
B. three troughs
C. two troughs
D. three waves
Which option is correct and why?
|
The correct answer is: two troughs.
|
The name of the cation comes first, followed by the name of the anion, in what kind of compound?
|
[
"covalent bonds",
"ionic compound",
"localized compound",
"magnetic compound"
] |
ionic compound
|
Answer the following multiple-choice question.
Question: The name of the cation comes first, followed by the name of the anion, in what kind of compound?
Options:
A. covalent bonds
B. ionic compound
C. localized compound
D. magnetic compound
Which option is correct and why?
|
The correct answer is: ionic compound.
|
What causes an animal population to decrease?
|
[
"sound pollution",
"Greenhouse gases",
"Pesticides",
"water",
"fossil fuels",
"Air pollution",
"animal diversity",
"steroids"
] |
Air pollution
|
Answer the following multiple-choice question.
Question: What causes an animal population to decrease?
Options:
A. sound pollution
B. Greenhouse gases
C. Pesticides
D. water
E. fossil fuels
F. Air pollution
G. animal diversity
H. steroids
Which option is correct and why?
|
The correct answer is: Air pollution.
|
Changes of state of matter do not involve what type of reaction?
|
[
"mechanical reaction",
"gaseous reaction",
"radiation",
"chemical reaction"
] |
chemical reaction
|
Answer the following multiple-choice question.
Question: Changes of state of matter do not involve what type of reaction?
Options:
A. mechanical reaction
B. gaseous reaction
C. radiation
D. chemical reaction
Which option is correct and why?
|
The correct answer is: chemical reaction.
|
How many genes are needed for the ability to sense pressure?
|
[
"DNA",
"two",
"UV",
"12",
"RNA",
"8",
"Eye",
"p53"
] |
12
|
Answer the following multiple-choice question.
Question: How many genes are needed for the ability to sense pressure?
Options:
A. DNA
B. two
C. UV
D. 12
E. RNA
F. 8
G. Eye
H. p53
Which option is correct and why?
|
The correct answer is: 12.
|
Strong, stable bonds between carbon atoms produce complex molecules containing chains, branches, and rings; the chemistry of these compounds is called what?
|
[
"inorganic chemistry",
"animal chemistry",
"nuclear chemistry",
"organic chemistry"
] |
organic chemistry
|
Answer the following multiple-choice question.
Question: Strong, stable bonds between carbon atoms produce complex molecules containing chains, branches, and rings; the chemistry of these compounds is called what?
Options:
A. inorganic chemistry
B. animal chemistry
C. nuclear chemistry
D. organic chemistry
Which option is correct and why?
|
The correct answer is: organic chemistry.
|
A mineral can be made of an element or a?
|
[
"Sediment",
"cell",
"compound",
"component"
] |
compound
|
Answer the following multiple-choice question.
Question: A mineral can be made of an element or a?
Options:
A. Sediment
B. cell
C. compound
D. component
Which option is correct and why?
|
The correct answer is: compound.
|
The Earth receives heat from:
|
[
"another nearby planet's sun",
"the star around which it orbits",
"the greenhouse gases in its atmosphere",
"solar eclipses occurring frequently"
] |
the star around which it orbits
|
Answer the following multiple-choice question.
Question: The Earth receives heat from:
Options:
A. another nearby planet's sun
B. the star around which it orbits
C. the greenhouse gases in its atmosphere
D. solar eclipses occurring frequently
Which option is correct and why?
|
The correct answer is: the star around which it orbits.
|
The chromosomes that have a mixture of maternal and paternal sequence are called what?
|
[
"antibodies",
"gene",
"DNA",
"recombinant"
] |
recombinant
|
Answer the following multiple-choice question.
Question: The chromosomes that have a mixture of maternal and paternal sequence are called what?
Options:
A. antibodies
B. gene
C. DNA
D. recombinant
Which option is correct and why?
|
The correct answer is: recombinant.
|
What is the complex network of nervous tissue that carries electrical messages throughout the body?
|
[
"lymphatic system",
"circulatory system",
"respiratory system",
"nervous system"
] |
nervous system
|
Answer the following multiple-choice question.
Question: What is the complex network of nervous tissue that carries electrical messages throughout the body?
Options:
A. lymphatic system
B. circulatory system
C. respiratory system
D. nervous system
Which option is correct and why?
|
The correct answer is: nervous system.
|
Older plants will most-likely have more leaves than when
|
[
"they were babies",
"Seventeen",
"Hot dogs",
"botany"
] |
they were babies
|
Answer the following multiple-choice question.
Question: Older plants will most-likely have more leaves than when
Options:
A. they were babies
B. Seventeen
C. Hot dogs
D. botany
Which option is correct and why?
|
The correct answer is: they were babies.
|
what can be harmed to cause its population to decrease?
|
[
"death",
"snail",
"squids",
"toads",
"elms",
"Injury",
"goat",
"clams"
] |
goat
|
Answer the following multiple-choice question.
Question: what can be harmed to cause its population to decrease?
Options:
A. death
B. snail
C. squids
D. toads
E. elms
F. Injury
G. goat
H. clams
Which option is correct and why?
|
The correct answer is: goat.
|
Gases released during the use of oil causes what?
|
[
"global warming",
"better weather on the earth",
"colder weather",
"less oily air",
"The atmosphere",
"flooding",
"Temperature",
"cleaner air to breathe"
] |
global warming
|
Answer the following multiple-choice question.
Question: Gases released during the use of oil causes what?
Options:
A. global warming
B. better weather on the earth
C. colder weather
D. less oily air
E. The atmosphere
F. flooding
G. Temperature
H. cleaner air to breathe
Which option is correct and why?
|
The correct answer is: global warming.
|
What are the three stages of water?
|
[
"vapor, earth, internal",
"ice, rock, sky",
"liquid, underground, frozen",
"ice, liquid, vapor"
] |
ice, liquid, vapor
|
Answer the following multiple-choice question.
Question: What are the three stages of water?
Options:
A. vapor, earth, internal
B. ice, rock, sky
C. liquid, underground, frozen
D. ice, liquid, vapor
Which option is correct and why?
|
The correct answer is: ice, liquid, vapor.
|
What do gametes mate into?
|
[
"haploid",
"fertile",
"pollen",
"seeds",
"zygotes",
"eggs",
"chromosomes",
"offspring"
] |
zygotes
|
Answer the following multiple-choice question.
Question: What do gametes mate into?
Options:
A. haploid
B. fertile
C. pollen
D. seeds
E. zygotes
F. eggs
G. chromosomes
H. offspring
Which option is correct and why?
|
The correct answer is: zygotes.
|
What is the process by which almost all plants make food?
|
[
"digestion",
"photosynthesis",
"reactions",
"melting"
] |
photosynthesis
|
Answer the following multiple-choice question.
Question: What is the process by which almost all plants make food?
Options:
A. digestion
B. photosynthesis
C. reactions
D. melting
Which option is correct and why?
|
The correct answer is: photosynthesis.
|
What is the beneficial function to the body of sweating?
|
[
"calorie loss",
"diuretic effect",
"pheromone release",
"regulating body temperature"
] |
regulating body temperature
|
Answer the following multiple-choice question.
Question: What is the beneficial function to the body of sweating?
Options:
A. calorie loss
B. diuretic effect
C. pheromone release
D. regulating body temperature
Which option is correct and why?
|
The correct answer is: regulating body temperature.
|
What have woody trunks?
|
[
"cacti",
"evergreens",
"plants",
"shrub beds",
"trees",
"fish",
"ducks",
"elephants"
] |
evergreens
|
Answer the following multiple-choice question.
Question: What have woody trunks?
Options:
A. cacti
B. evergreens
C. plants
D. shrub beds
E. trees
F. fish
G. ducks
H. elephants
Which option is correct and why?
|
The correct answer is: evergreens.
|
Within the chloroplast, synthesis of what takes place in the fluid inside the inner membrane called the stroma?
|
[
"wheat",
"glucose",
"fructose",
"sugar"
] |
sugar
|
Answer the following multiple-choice question.
Question: Within the chloroplast, synthesis of what takes place in the fluid inside the inner membrane called the stroma?
Options:
A. wheat
B. glucose
C. fructose
D. sugar
Which option is correct and why?
|
The correct answer is: sugar.
|
What two things does grass require?
|
[
"Sand and rocks",
"Milk and cookies",
"bloom time",
"Sun and air",
"sunlight",
"Bodily water",
"nutrients",
"Darkness and coldness"
] |
Sun and air
|
Answer the following multiple-choice question.
Question: What two things does grass require?
Options:
A. Sand and rocks
B. Milk and cookies
C. bloom time
D. Sun and air
E. sunlight
F. Bodily water
G. nutrients
H. Darkness and coldness
Which option is correct and why?
|
The correct answer is: Sun and air.
|
The more matter a planet is made up, the more likely other bodies are to
|
[
"Triangle it",
"kiss it",
"punch it",
"be dragged in"
] |
be dragged in
|
Answer the following multiple-choice question.
Question: The more matter a planet is made up, the more likely other bodies are to
Options:
A. Triangle it
B. kiss it
C. punch it
D. be dragged in
Which option is correct and why?
|
The correct answer is: be dragged in.
|
Give an example of benthos that live near vents on the deep ocean floor.
|
[
"tubeworms",
"arthropods",
"amphipods",
"crustaceans"
] |
tubeworms
|
Answer the following multiple-choice question.
Question: Give an example of benthos that live near vents on the deep ocean floor.
Options:
A. tubeworms
B. arthropods
C. amphipods
D. crustaceans
Which option is correct and why?
|
The correct answer is: tubeworms.
|
A ferret darting around a space in the wild in a panic is likely
|
[
"grooming itself",
"eluding foe",
"winning marathons",
"laying eggs"
] |
eluding foe
|
Answer the following multiple-choice question.
Question: A ferret darting around a space in the wild in a panic is likely
Options:
A. grooming itself
B. eluding foe
C. winning marathons
D. laying eggs
Which option is correct and why?
|
The correct answer is: eluding foe.
|
The pull of gravity on objects increase as what happens?
|
[
"the object gets further away",
"the object is pulled in circles",
"gravity is heavier on an object",
"the object is brought closer"
] |
the object is brought closer
|
Answer the following multiple-choice question.
Question: The pull of gravity on objects increase as what happens?
Options:
A. the object gets further away
B. the object is pulled in circles
C. gravity is heavier on an object
D. the object is brought closer
Which option is correct and why?
|
The correct answer is: the object is brought closer.
|
Most turtle bodies are covered by a special bony or cartilaginous shell developed from their what?
|
[
"spines",
"fins",
"ribs",
"tails"
] |
ribs
|
Answer the following multiple-choice question.
Question: Most turtle bodies are covered by a special bony or cartilaginous shell developed from their what?
Options:
A. spines
B. fins
C. ribs
D. tails
Which option is correct and why?
|
The correct answer is: ribs.
|
Which of the following is true?
|
[
"switching from a truck to a moped will save gas",
"switching from a moped to a truck will save gas",
"switching from a car to an SUV will save gas",
"switching from a car to a truck will save gas"
] |
switching from a truck to a moped will save gas
|
Answer the following multiple-choice question.
Question: Which of the following is true?
Options:
A. switching from a truck to a moped will save gas
B. switching from a moped to a truck will save gas
C. switching from a car to an SUV will save gas
D. switching from a car to a truck will save gas
Which option is correct and why?
|
The correct answer is: switching from a truck to a moped will save gas.
|
Most reptiles reproduce sexually and have what type of fertilization?
|
[
"additional",
"internal",
"mechanical",
"external"
] |
internal
|
Answer the following multiple-choice question.
Question: Most reptiles reproduce sexually and have what type of fertilization?
Options:
A. additional
B. internal
C. mechanical
D. external
Which option is correct and why?
|
The correct answer is: internal.
|
null | null | null | null | null |
When bacteria enter the bloodstream, the result is what condition?
|
[
"hypoxia",
"diarrhea",
"septicemia",
"hypertension"
] |
septicemia
|
Answer the following multiple-choice question.
Question: When bacteria enter the bloodstream, the result is what condition?
Options:
A. hypoxia
B. diarrhea
C. septicemia
D. hypertension
Which option is correct and why?
|
The correct answer is: septicemia.
|
Silver nitrate on hardened silicon will force light to
|
[
"refract",
"scatter",
"become hot",
"dissipate"
] |
refract
|
Answer the following multiple-choice question.
Question: Silver nitrate on hardened silicon will force light to
Options:
A. refract
B. scatter
C. become hot
D. dissipate
Which option is correct and why?
|
The correct answer is: refract.
|
The theory of evolution by what (and other processes) explains both the diversity of organisms and how populations of organisms change over time?
|
[
"characteristic selection",
"genocide",
"natural evolution",
"natural selection"
] |
natural selection
|
Answer the following multiple-choice question.
Question: The theory of evolution by what (and other processes) explains both the diversity of organisms and how populations of organisms change over time?
Options:
A. characteristic selection
B. genocide
C. natural evolution
D. natural selection
Which option is correct and why?
|
The correct answer is: natural selection.
|
Adding a solute does what to the boiling point of a pure solvent?
|
[
"silences it",
"no effect",
"reduces it",
"increases it"
] |
increases it
|
Answer the following multiple-choice question.
Question: Adding a solute does what to the boiling point of a pure solvent?
Options:
A. silences it
B. no effect
C. reduces it
D. increases it
Which option is correct and why?
|
The correct answer is: increases it.
|
If a tree is cut down what will happen to it?
|
[
"vitality extinguishing",
"growth",
"vigor",
"life"
] |
vitality extinguishing
|
Answer the following multiple-choice question.
Question: If a tree is cut down what will happen to it?
Options:
A. vitality extinguishing
B. growth
C. vigor
D. life
Which option is correct and why?
|
The correct answer is: vitality extinguishing.
|
What is the protein that carries iron that binds with oxygen in red blood cells?
|
[
"potassium",
"hemoglobin",
"insulin",
"keratin"
] |
hemoglobin
|
Answer the following multiple-choice question.
Question: What is the protein that carries iron that binds with oxygen in red blood cells?
Options:
A. potassium
B. hemoglobin
C. insulin
D. keratin
Which option is correct and why?
|
The correct answer is: hemoglobin.
|
The oxygen regions of the water molecules have what kind of charge?
|
[
"certain",
"positive",
"negative",
"neutral"
] |
negative
|
Answer the following multiple-choice question.
Question: The oxygen regions of the water molecules have what kind of charge?
Options:
A. certain
B. positive
C. negative
D. neutral
Which option is correct and why?
|
The correct answer is: negative.
|
null | null | null | null | null |
How many layers of phospholipids does the cell membrane contain?
|
[
"two",
"five",
"four",
"three"
] |
two
|
Answer the following multiple-choice question.
Question: How many layers of phospholipids does the cell membrane contain?
Options:
A. two
B. five
C. four
D. three
Which option is correct and why?
|
The correct answer is: two.
|
What are needed to oxidize the noble gases to form compounds in positive oxidation states?
|
[
"metal oxidants",
"protein oxidants",
"potent oxidants",
"bacteria oxidants"
] |
potent oxidants
|
Answer the following multiple-choice question.
Question: What are needed to oxidize the noble gases to form compounds in positive oxidation states?
Options:
A. metal oxidants
B. protein oxidants
C. potent oxidants
D. bacteria oxidants
Which option is correct and why?
|
The correct answer is: potent oxidants.
|
What is a flower's purpose?
|
[
"spread flower seeds",
"Create new plants",
"Please humans",
"plant reproduction",
"staying warm",
"Start wars",
"Reproduction",
"Make people feel good"
] |
Create new plants
|
Answer the following multiple-choice question.
Question: What is a flower's purpose?
Options:
A. spread flower seeds
B. Create new plants
C. Please humans
D. plant reproduction
E. staying warm
F. Start wars
G. Reproduction
H. Make people feel good
Which option is correct and why?
|
The correct answer is: Create new plants.
|
How can you calculate the density of matter?
|
[
"by dividing its volume by its mass",
"by multiplying its mass by its volume",
"by subtracting mass from volume",
"by dividing its mass by its volume"
] |
by dividing its mass by its volume
|
Answer the following multiple-choice question.
Question: How can you calculate the density of matter?
Options:
A. by dividing its volume by its mass
B. by multiplying its mass by its volume
C. by subtracting mass from volume
D. by dividing its mass by its volume
Which option is correct and why?
|
The correct answer is: by dividing its mass by its volume.
|
Terminal pods are located at the end of what?
|
[
"fruits",
"spines",
"stems",
"leaves"
] |
stems
|
Answer the following multiple-choice question.
Question: Terminal pods are located at the end of what?
Options:
A. fruits
B. spines
C. stems
D. leaves
Which option is correct and why?
|
The correct answer is: stems.
|
What is a series of processes that remove unwanted substances from water called?
|
[
"water treatment",
"water filtration",
"water dilution",
"water cleaning"
] |
water treatment
|
Answer the following multiple-choice question.
Question: What is a series of processes that remove unwanted substances from water called?
Options:
A. water treatment
B. water filtration
C. water dilution
D. water cleaning
Which option is correct and why?
|
The correct answer is: water treatment.
|
Seals have an instinct to give birth in the same area every year. Where do seals give birth normally?
|
[
"Jupiter",
"space",
"waterfronts",
"houses"
] |
waterfronts
|
Answer the following multiple-choice question.
Question: Seals have an instinct to give birth in the same area every year. Where do seals give birth normally?
Options:
A. Jupiter
B. space
C. waterfronts
D. houses
Which option is correct and why?
|
The correct answer is: waterfronts.
|
A comet is falling from the sky, a boy is watching and can tell that the light is brightest
|
[
"when it is far away",
"when it is under water",
"when it is upside down",
"when it is about to crash"
] |
when it is about to crash
|
Answer the following multiple-choice question.
Question: A comet is falling from the sky, a boy is watching and can tell that the light is brightest
Options:
A. when it is far away
B. when it is under water
C. when it is upside down
D. when it is about to crash
Which option is correct and why?
|
The correct answer is: when it is about to crash.
|
Evolution occurs in response to what in life?
|
[
"static events",
"global warming",
"that material's properties",
"changing phenomenon",
"major threat to health",
"changing tides",
"Animal survival",
"isolated events"
] |
changing phenomenon
|
Answer the following multiple-choice question.
Question: Evolution occurs in response to what in life?
Options:
A. static events
B. global warming
C. that material's properties
D. changing phenomenon
E. major threat to health
F. changing tides
G. Animal survival
H. isolated events
Which option is correct and why?
|
The correct answer is: changing phenomenon.
|
Ethyl alcohol can be made by distilling and fermenting simple sugars from
|
[
"a starchy slurry",
"wet sand",
"dry sawdust",
"rice fields"
] |
a starchy slurry
|
Answer the following multiple-choice question.
Question: Ethyl alcohol can be made by distilling and fermenting simple sugars from
Options:
A. a starchy slurry
B. wet sand
C. dry sawdust
D. rice fields
Which option is correct and why?
|
The correct answer is: a starchy slurry.
|
More dirt and sand gets deposited in a flat area near a river whenever
|
[
"the river is hit with an extremely large amount of precipitation in a day",
"a deer is hunted on the river bank",
"birds fly over the area",
"a helicopter flies too low over the land"
] |
the river is hit with an extremely large amount of precipitation in a day
|
Answer the following multiple-choice question.
Question: More dirt and sand gets deposited in a flat area near a river whenever
Options:
A. the river is hit with an extremely large amount of precipitation in a day
B. a deer is hunted on the river bank
C. birds fly over the area
D. a helicopter flies too low over the land
Which option is correct and why?
|
The correct answer is: the river is hit with an extremely large amount of precipitation in a day.
|
what are monophyletic with four limbs ?
|
[
"animals",
"mammals",
"amphibians",
"warm-blooded",
"Most plants",
"alpacas",
"Conifers",
"graptolites"
] |
amphibians
|
Answer the following multiple-choice question.
Question: what are monophyletic with four limbs ?
Options:
A. animals
B. mammals
C. amphibians
D. warm-blooded
E. Most plants
F. alpacas
G. Conifers
H. graptolites
Which option is correct and why?
|
The correct answer is: amphibians.
|
Algae is a promising alternative to traditional crops for what type of fuels?
|
[
"non-renewable",
"fossil",
"fertilizer",
"biofuel"
] |
biofuel
|
Answer the following multiple-choice question.
Question: Algae is a promising alternative to traditional crops for what type of fuels?
Options:
A. non-renewable
B. fossil
C. fertilizer
D. biofuel
Which option is correct and why?
|
The correct answer is: biofuel.
|
The acidity of a solution is typically assessed experimentally by measurement of its what?
|
[
"density",
"color",
"mass",
"ph"
] |
ph
|
Answer the following multiple-choice question.
Question: The acidity of a solution is typically assessed experimentally by measurement of its what?
Options:
A. density
B. color
C. mass
D. ph
Which option is correct and why?
|
The correct answer is: ph.
|
What pulls objects around the sun?
|
[
"Oxygen",
"cycles",
"wind",
"Energy.",
"energy",
"Gravity",
"h2o",
"Atmosphere"
] |
Gravity
|
Answer the following multiple-choice question.
Question: What pulls objects around the sun?
Options:
A. Oxygen
B. cycles
C. wind
D. Energy.
E. energy
F. Gravity
G. h2o
H. Atmosphere
Which option is correct and why?
|
The correct answer is: Gravity.
|
What do humans use to see an image?
|
[
"keratin",
"light",
"heat",
"fibers",
"calcite",
"mussels",
"photons",
"Neuron."
] |
light
|
Answer the following multiple-choice question.
Question: What do humans use to see an image?
Options:
A. keratin
B. light
C. heat
D. fibers
E. calcite
F. mussels
G. photons
H. Neuron.
Which option is correct and why?
|
The correct answer is: light.
|
Why animal may use a rock as shelter
|
[
"Centipede",
"Dolphin",
"Seagull",
"Dog"
] |
Centipede
|
Answer the following multiple-choice question.
Question: Why animal may use a rock as shelter
Options:
A. Centipede
B. Dolphin
C. Seagull
D. Dog
Which option is correct and why?
|
The correct answer is: Centipede.
|
Like a runner passing a baton, the transmission of nerve impulses between neurons depends on what?
|
[
"enzymes",
"neurotransmitters",
"axons",
"receptors"
] |
neurotransmitters
|
Answer the following multiple-choice question.
Question: Like a runner passing a baton, the transmission of nerve impulses between neurons depends on what?
Options:
A. enzymes
B. neurotransmitters
C. axons
D. receptors
Which option is correct and why?
|
The correct answer is: neurotransmitters.
|
What happens to half of Earth when it tilts towards the Sun ?
|
[
"it receives more sunlight",
"it melts",
"movement of tectonic plates",
"it receives less sunlight",
"tectonic plates being pushed together",
"heat is produced",
"It used to be covered by water",
"it receives no sunlight"
] |
it receives more sunlight
|
Answer the following multiple-choice question.
Question: What happens to half of Earth when it tilts towards the Sun ?
Options:
A. it receives more sunlight
B. it melts
C. movement of tectonic plates
D. it receives less sunlight
E. tectonic plates being pushed together
F. heat is produced
G. It used to be covered by water
H. it receives no sunlight
Which option is correct and why?
|
The correct answer is: it receives more sunlight.
|
When a solute dissolves into a solvent what is that called?
|
[
"mixing",
"solubility",
"viscosity",
"enthalpy"
] |
enthalpy
|
Answer the following multiple-choice question.
Question: When a solute dissolves into a solvent what is that called?
Options:
A. mixing
B. solubility
C. viscosity
D. enthalpy
Which option is correct and why?
|
The correct answer is: enthalpy.
|
An example of beta decay is the emission of an electron by a carbon-14 what?
|
[
"ion",
"molecules",
"protons",
"nucleus"
] |
nucleus
|
Answer the following multiple-choice question.
Question: An example of beta decay is the emission of an electron by a carbon-14 what?
Options:
A. ion
B. molecules
C. protons
D. nucleus
Which option is correct and why?
|
The correct answer is: nucleus.
|
Bacteria causes what to be harmed?
|
[
"plants",
"electronics",
"fossils",
"humans",
"animals",
"viruses",
"food",
"the skin"
] |
plants
|
Answer the following multiple-choice question.
Question: Bacteria causes what to be harmed?
Options:
A. plants
B. electronics
C. fossils
D. humans
E. animals
F. viruses
G. food
H. the skin
Which option is correct and why?
|
The correct answer is: plants.
|
what floor do organisms cluster around hydrothermal vents on?
|
[
"Pacific",
"small ponds",
"ground",
"limestone",
"sandstone",
"loose soil",
"atmosphere",
"crust"
] |
Pacific
|
Answer the following multiple-choice question.
Question: what floor do organisms cluster around hydrothermal vents on?
Options:
A. Pacific
B. small ponds
C. ground
D. limestone
E. sandstone
F. loose soil
G. atmosphere
H. crust
Which option is correct and why?
|
The correct answer is: Pacific.
|
What effect in the atmosphere ensures that the earth maintains the correct temperature to support life?
|
[
"smog effect",
"ozone effect",
"coriolis effect",
"greenhouse effect"
] |
greenhouse effect
|
Answer the following multiple-choice question.
Question: What effect in the atmosphere ensures that the earth maintains the correct temperature to support life?
Options:
A. smog effect
B. ozone effect
C. coriolis effect
D. greenhouse effect
Which option is correct and why?
|
The correct answer is: greenhouse effect.
|
Which only needs sparse water?
|
[
"fish",
"frogs",
"whales",
"chuckwallas"
] |
chuckwallas
|
Answer the following multiple-choice question.
Question: Which only needs sparse water?
Options:
A. fish
B. frogs
C. whales
D. chuckwallas
Which option is correct and why?
|
The correct answer is: chuckwallas.
|
What would you call a relationship where the bacteria benefit and and the other organism is harmed?
|
[
"fungi",
"pathology",
"symbiotic",
"parasitism"
] |
parasitism
|
Answer the following multiple-choice question.
Question: What would you call a relationship where the bacteria benefit and and the other organism is harmed?
Options:
A. fungi
B. pathology
C. symbiotic
D. parasitism
Which option is correct and why?
|
The correct answer is: parasitism.
|
What do we call a peptide hormone composed of nine amino acids that lowers blood pressure?
|
[
"parcnid",
"bufotenin",
"bradykinin",
"angiotensin"
] |
bradykinin
|
Answer the following multiple-choice question.
Question: What do we call a peptide hormone composed of nine amino acids that lowers blood pressure?
Options:
A. parcnid
B. bufotenin
C. bradykinin
D. angiotensin
Which option is correct and why?
|
The correct answer is: bradykinin.
|
Screws and bolts are needed to do what with a bike?
|
[
"eat it",
"cry",
"nothing",
"construct it"
] |
construct it
|
Answer the following multiple-choice question.
Question: Screws and bolts are needed to do what with a bike?
Options:
A. eat it
B. cry
C. nothing
D. construct it
Which option is correct and why?
|
The correct answer is: construct it.
|
What is the term for the most abundant species in a community, characterized by high competitive abilities?
|
[
"dominant species",
"keystone species",
"carnivores",
"merging species"
] |
dominant species
|
Answer the following multiple-choice question.
Question: What is the term for the most abundant species in a community, characterized by high competitive abilities?
Options:
A. dominant species
B. keystone species
C. carnivores
D. merging species
Which option is correct and why?
|
The correct answer is: dominant species.
|
In mammals, air is warmed and humidified in what?
|
[
"nasal cavity",
"lungs",
"stomach",
"esophagus"
] |
nasal cavity
|
Answer the following multiple-choice question.
Question: In mammals, air is warmed and humidified in what?
Options:
A. nasal cavity
B. lungs
C. stomach
D. esophagus
Which option is correct and why?
|
The correct answer is: nasal cavity.
|
Elements below the second period, such as silicon, do not form what as readily as second-period elements, and when they do form, they are weaker than those formed by second-period elements?
|
[
"magnetic bonds",
"k. bonds",
"covalent bonds",
"n bonds"
] |
n bonds
|
Answer the following multiple-choice question.
Question: Elements below the second period, such as silicon, do not form what as readily as second-period elements, and when they do form, they are weaker than those formed by second-period elements?
Options:
A. magnetic bonds
B. k. bonds
C. covalent bonds
D. n bonds
Which option is correct and why?
|
The correct answer is: n bonds.
|
What contains most of the structures found in skin?
|
[
"epidermis",
"dermis",
"subcutaneous layer",
"basal layer"
] |
dermis
|
Answer the following multiple-choice question.
Question: What contains most of the structures found in skin?
Options:
A. epidermis
B. dermis
C. subcutaneous layer
D. basal layer
Which option is correct and why?
|
The correct answer is: dermis.
|
What has a backbone?
|
[
"Man",
"invertebrates",
"humans",
"insects",
"toads",
"birds",
"plants",
"bacteria"
] |
birds
|
Answer the following multiple-choice question.
Question: What has a backbone?
Options:
A. Man
B. invertebrates
C. humans
D. insects
E. toads
F. birds
G. plants
H. bacteria
Which option is correct and why?
|
The correct answer is: birds.
|
What do leaves form for the rest of the plant?
|
[
"hard outer covering",
"circulatory systems",
"peachleaf willow",
"carbohydrates",
"inactive",
"Green beans",
"Change colors",
"support"
] |
carbohydrates
|
Answer the following multiple-choice question.
Question: What do leaves form for the rest of the plant?
Options:
A. hard outer covering
B. circulatory systems
C. peachleaf willow
D. carbohydrates
E. inactive
F. Green beans
G. Change colors
H. support
Which option is correct and why?
|
The correct answer is: carbohydrates.
|
What types of energy is released during a chemical reaction?
|
[
"human, magnetic, electrical",
"temperature , electricity , light",
"heat, electricity, light",
"magnetism, electricity, light"
] |
heat, electricity, light
|
Answer the following multiple-choice question.
Question: What types of energy is released during a chemical reaction?
Options:
A. human, magnetic, electrical
B. temperature , electricity , light
C. heat, electricity, light
D. magnetism, electricity, light
Which option is correct and why?
|
The correct answer is: heat, electricity, light.
|
Boiling can make water less what to drink?
|
[
"germs",
"safe",
"energy",
"pure",
"harmful",
"dangerous",
"wet",
"heat"
] |
harmful
|
Answer the following multiple-choice question.
Question: Boiling can make water less what to drink?
Options:
A. germs
B. safe
C. energy
D. pure
E. harmful
F. dangerous
G. wet
H. heat
Which option is correct and why?
|
The correct answer is: harmful.
|
What can be used to make debris?
|
[
"erosion",
"rivers",
"a hammer",
"heat",
"wind",
"water pump",
"c-clamp",
"screwdriver"
] |
a hammer
|
Answer the following multiple-choice question.
Question: What can be used to make debris?
Options:
A. erosion
B. rivers
C. a hammer
D. heat
E. wind
F. water pump
G. c-clamp
H. screwdriver
Which option is correct and why?
|
The correct answer is: a hammer.
|
Jackrabbits live in very hot environments, but are able to stay cool because their long ears help
|
[
"releasing warmth",
"sing songs",
"make eggs",
"change tires"
] |
releasing warmth
|
Answer the following multiple-choice question.
Question: Jackrabbits live in very hot environments, but are able to stay cool because their long ears help
Options:
A. releasing warmth
B. sing songs
C. make eggs
D. change tires
Which option is correct and why?
|
The correct answer is: releasing warmth.
|
A person is celebrating a new baby and family is happily celebrating as well. The family is glad that the person who had the baby is
|
[
"a corpse",
"a child",
"a monster",
"an adult"
] |
an adult
|
Answer the following multiple-choice question.
Question: A person is celebrating a new baby and family is happily celebrating as well. The family is glad that the person who had the baby is
Options:
A. a corpse
B. a child
C. a monster
D. an adult
Which option is correct and why?
|
The correct answer is: an adult.
|
What can cause an uncontrolled growth and spread of abnormal cells?
|
[
"smoking cigarettes",
"some foods",
"Pesticides",
"cigarettes",
"smoking",
"some religions",
"some viruses",
"some books"
] |
some viruses
|
Answer the following multiple-choice question.
Question: What can cause an uncontrolled growth and spread of abnormal cells?
Options:
A. smoking cigarettes
B. some foods
C. Pesticides
D. cigarettes
E. smoking
F. some religions
G. some viruses
H. some books
Which option is correct and why?
|
The correct answer is: some viruses.
|
Regulation of endocrine depends on the hypothalmus and what other gland?
|
[
"salivary",
"thyroid",
"adrenal",
"pituitary"
] |
pituitary
|
Answer the following multiple-choice question.
Question: Regulation of endocrine depends on the hypothalmus and what other gland?
Options:
A. salivary
B. thyroid
C. adrenal
D. pituitary
Which option is correct and why?
|
The correct answer is: pituitary.
|
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