question stringlengths 4 399 | choices listlengths 4 8 | correct_answer stringlengths 1 116 | prompt stringlengths 146 739 | completion stringlengths 25 140 | answer stringclasses 5 values |
|---|---|---|---|---|---|
Arteries carry oxygenated blood away from the heart, what carries un-oxygenated blood back to the heart? | [
"lungs",
"intestines",
"glands",
"veins"
] | veins | Answer the following multiple-choice question.
Question: Arteries carry oxygenated blood away from the heart, what carries un-oxygenated blood back to the heart?
Options:
A. lungs
B. intestines
C. glands
D. veins
Which option is correct and why? | The correct answer is: veins. | D |
What are proteins the building blocks of? | [
"Plants growth",
"athletes",
"cell walls",
"cytoplasm",
"humans",
"organisms",
"health",
"atoms"
] | organisms | Answer the following multiple-choice question.
Question: What are proteins the building blocks of?
Options:
A. Plants growth
B. athletes
C. cell walls
D. cytoplasm
E. humans
F. organisms
G. health
H. atoms
Which option is correct and why? | The correct answer is: organisms. | A |
What do bacteriophages infect? | [
"Bacteria",
"animals",
"the skin",
"alveoli",
"food",
"Most plants",
"PDAs",
"lungs"
] | Bacteria | Answer the following multiple-choice question.
Question: What do bacteriophages infect?
Options:
A. Bacteria
B. animals
C. the skin
D. alveoli
E. food
F. Most plants
G. PDAs
H. lungs
Which option is correct and why? | The correct answer is: Bacteria. | A |
The sites of protein synthesis are tiny structures called? | [
"protons",
"ribosomes",
"crystals",
"prokaryotes"
] | ribosomes | Answer the following multiple-choice question.
Question: The sites of protein synthesis are tiny structures called?
Options:
A. protons
B. ribosomes
C. crystals
D. prokaryotes
Which option is correct and why? | The correct answer is: ribosomes. | B |
Pulleys are generally used to do what with objects? | [
"lift",
"pack",
"clean",
"wrap"
] | lift | Answer the following multiple-choice question.
Question: Pulleys are generally used to do what with objects?
Options:
A. lift
B. pack
C. clean
D. wrap
Which option is correct and why? | The correct answer is: lift. | A |
What will the contraction of smooth muscles help organs do? | [
"move across distances",
"move joints",
"carry out functions",
"fine motor movements"
] | carry out functions | Answer the following multiple-choice question.
Question: What will the contraction of smooth muscles help organs do?
Options:
A. move across distances
B. move joints
C. carry out functions
D. fine motor movements
Which option is correct and why? | The correct answer is: carry out functions. | C |
Blood from what organs enters the left atrium of the heart? | [
"lungs",
"Lymph nodes",
"intestines",
"Brain"
] | lungs | Answer the following multiple-choice question.
Question: Blood from what organs enters the left atrium of the heart?
Options:
A. lungs
B. Lymph nodes
C. intestines
D. Brain
Which option is correct and why? | The correct answer is: lungs. | A |
If a glacier going past a dock brushed up against some large boulders there, the stones would | [
"have gouges",
"have stains",
"be frozen",
"be dirty"
] | have gouges | Answer the following multiple-choice question.
Question: If a glacier going past a dock brushed up against some large boulders there, the stones would
Options:
A. have gouges
B. have stains
C. be frozen
D. be dirty
Which option is correct and why? | The correct answer is: have gouges. | A |
What are the three most common elements in the air we breathe? | [
"argon, oxygen, hydrogen",
"nitrogen, oxygen and argon",
"nitrogen, argon, hydrogen",
"oxygen, nitrogen, H20"
] | nitrogen, oxygen and argon | Answer the following multiple-choice question.
Question: What are the three most common elements in the air we breathe?
Options:
A. argon, oxygen, hydrogen
B. nitrogen, oxygen and argon
C. nitrogen, argon, hydrogen
D. oxygen, nitrogen, H20
Which option is correct and why? | The correct answer is: nitrogen, oxygen and argon. | B |
Though fossil fuels and their byproducts will eventually be used up completely, we'll still have | [
"gasoline",
"coal",
"plastics",
"light from stars"
] | light from stars | Answer the following multiple-choice question.
Question: Though fossil fuels and their byproducts will eventually be used up completely, we'll still have
Options:
A. gasoline
B. coal
C. plastics
D. light from stars
Which option is correct and why? | The correct answer is: light from stars. | D |
Bluebirds have a strong sense of what? | [
"Magic",
"Imagination",
"Family",
"Justice"
] | Family | Answer the following multiple-choice question.
Question: Bluebirds have a strong sense of what?
Options:
A. Magic
B. Imagination
C. Family
D. Justice
Which option is correct and why? | The correct answer is: Family. | C |
what does a renewable, economical source of electricity require? | [
"damming a river",
"power stations",
"freezing h2o",
"electricity",
"burning fossil fuels",
"hydrogen and oxygen",
"sunlight",
"nuclear meltdowns"
] | damming a river | Answer the following multiple-choice question.
Question: what does a renewable, economical source of electricity require?
Options:
A. damming a river
B. power stations
C. freezing h2o
D. electricity
E. burning fossil fuels
F. hydrogen and oxygen
G. sunlight
H. nuclear meltdowns
Which option is correct and why? | The correct answer is: damming a river. | A |
What is used to measure air pressure? | [
"metrometer",
"barometer",
"thermometer",
"indicator"
] | barometer | Answer the following multiple-choice question.
Question: What is used to measure air pressure?
Options:
A. metrometer
B. barometer
C. thermometer
D. indicator
Which option is correct and why? | The correct answer is: barometer. | B |
What occurs when air masses meet? | [
"earthquakes",
"fronts",
"tides",
"currents"
] | fronts | Answer the following multiple-choice question.
Question: What occurs when air masses meet?
Options:
A. earthquakes
B. fronts
C. tides
D. currents
Which option is correct and why? | The correct answer is: fronts. | B |
What is the attachment of ducklings to their mother an example of? | [
"magnetism",
"imprinting",
"validating",
"impressionism"
] | imprinting | Answer the following multiple-choice question.
Question: What is the attachment of ducklings to their mother an example of?
Options:
A. magnetism
B. imprinting
C. validating
D. impressionism
Which option is correct and why? | The correct answer is: imprinting. | B |
If your were to sit still and stare at the sky for one of the earth's rotations, you will have wasted | [
"half your existence",
"1,440 minutes",
"your family's week",
"2 days"
] | 1,440 minutes | Answer the following multiple-choice question.
Question: If your were to sit still and stare at the sky for one of the earth's rotations, you will have wasted
Options:
A. half your existence
B. 1,440 minutes
C. your family's week
D. 2 days
Which option is correct and why? | The correct answer is: 1,440 minutes. | B |
what do people transmit when using telephones for communication? | [
"internet signals",
"diseases",
"fibers",
"SNPs",
"power",
"waves",
"energy",
"h2o"
] | waves | Answer the following multiple-choice question.
Question: what do people transmit when using telephones for communication?
Options:
A. internet signals
B. diseases
C. fibers
D. SNPs
E. power
F. waves
G. energy
H. h2o
Which option is correct and why? | The correct answer is: waves. | A |
When a hurricane glides over a continent it | [
"runs for president",
"becomes an earthquake",
"increases in strength",
"decreases in strength"
] | decreases in strength | Answer the following multiple-choice question.
Question: When a hurricane glides over a continent it
Options:
A. runs for president
B. becomes an earthquake
C. increases in strength
D. decreases in strength
Which option is correct and why? | The correct answer is: decreases in strength. | D |
What is the unique larval form of mollusks called? | [
"trochophore",
"hydra",
"microfilariae",
"scallop"
] | trochophore | Answer the following multiple-choice question.
Question: What is the unique larval form of mollusks called?
Options:
A. trochophore
B. hydra
C. microfilariae
D. scallop
Which option is correct and why? | The correct answer is: trochophore. | A |
A black solid by itself, this element is incredibly important because of what it makes when it combines with many other elements, including oxygen? | [
"dioxide",
"hydrogen",
"carbon",
"lead"
] | carbon | Answer the following multiple-choice question.
Question: A black solid by itself, this element is incredibly important because of what it makes when it combines with many other elements, including oxygen?
Options:
A. dioxide
B. hydrogen
C. carbon
D. lead
Which option is correct and why? | The correct answer is: carbon. | C |
Which of the following affects neurons? | [
"nerves",
"voltage",
"Dehydration",
"electrically",
"heat",
"Botulism",
"fever",
"temperature"
] | Botulism | Answer the following multiple-choice question.
Question: Which of the following affects neurons?
Options:
A. nerves
B. voltage
C. Dehydration
D. electrically
E. heat
F. Botulism
G. fever
H. temperature
Which option is correct and why? | The correct answer is: Botulism. | A |
The white fluffy part of popcorn is also what? | [
"jiffy",
"phosphor",
"endosperm",
"membrane"
] | endosperm | Answer the following multiple-choice question.
Question: The white fluffy part of popcorn is also what?
Options:
A. jiffy
B. phosphor
C. endosperm
D. membrane
Which option is correct and why? | The correct answer is: endosperm. | C |
How do animals dissipate body heat? | [
"sweat",
"eat food",
"lay in the sun",
"insulation",
"coat",
"osmosis",
"fur",
"cooling"
] | sweat | Answer the following multiple-choice question.
Question: How do animals dissipate body heat?
Options:
A. sweat
B. eat food
C. lay in the sun
D. insulation
E. coat
F. osmosis
G. fur
H. cooling
Which option is correct and why? | The correct answer is: sweat. | A |
Temporal and spatial summation at the axon hillock determines whether a neuron generates what? | [
"hidden potential",
"change potential",
"action potential",
"false potential"
] | action potential | Answer the following multiple-choice question.
Question: Temporal and spatial summation at the axon hillock determines whether a neuron generates what?
Options:
A. hidden potential
B. change potential
C. action potential
D. false potential
Which option is correct and why? | The correct answer is: action potential. | C |
Animals communicate through what? | [
"chemicals",
"A wave",
"fur",
"nerves",
"A vacuum",
"A telephone",
"A particle",
"Movement"
] | A wave | Answer the following multiple-choice question.
Question: Animals communicate through what?
Options:
A. chemicals
B. A wave
C. fur
D. nerves
E. A vacuum
F. A telephone
G. A particle
H. Movement
Which option is correct and why? | The correct answer is: A wave. | B |
What is soil made from? | [
"Rocks being formed",
"Organic compounds",
"organic molecules",
"Rocks breaking down",
"Rocks being buried in soil",
"Rocks moving",
"loose soil",
"one celled organisms"
] | Rocks breaking down | Answer the following multiple-choice question.
Question: What is soil made from?
Options:
A. Rocks being formed
B. Organic compounds
C. organic molecules
D. Rocks breaking down
E. Rocks being buried in soil
F. Rocks moving
G. loose soil
H. one celled organisms
Which option is correct and why? | The correct answer is: Rocks breaking down. | D |
What cannot be found on the moon? | [
"an external framework",
"one celled organisms",
"dust",
"living animals",
"deuterostomes",
"spaceships",
"blastoids",
"footprints"
] | living animals | Answer the following multiple-choice question.
Question: What cannot be found on the moon?
Options:
A. an external framework
B. one celled organisms
C. dust
D. living animals
E. deuterostomes
F. spaceships
G. blastoids
H. footprints
Which option is correct and why? | The correct answer is: living animals. | D |
Substances may be either elements or what? | [
"pure chemicals",
"existent compounds",
"fundamental compounds",
"pure compounds"
] | pure compounds | Answer the following multiple-choice question.
Question: Substances may be either elements or what?
Options:
A. pure chemicals
B. existent compounds
C. fundamental compounds
D. pure compounds
Which option is correct and why? | The correct answer is: pure compounds. | D |
Action potentials occur whenever a depolarization increases the membrane voltage to a particular value called what? | [
"fraction",
"threshold",
"ohms",
"velocity"
] | threshold | Answer the following multiple-choice question.
Question: Action potentials occur whenever a depolarization increases the membrane voltage to a particular value called what?
Options:
A. fraction
B. threshold
C. ohms
D. velocity
Which option is correct and why? | The correct answer is: threshold. | B |
eggs need to incubate to what | [
"complete",
"mitosis",
"be fertilized",
"produce nutrients",
"be eaten",
"Winter",
"survive",
"sunlight"
] | survive | Answer the following multiple-choice question.
Question: eggs need to incubate to what
Options:
A. complete
B. mitosis
C. be fertilized
D. produce nutrients
E. be eaten
F. Winter
G. survive
H. sunlight
Which option is correct and why? | The correct answer is: survive. | A |
The body does not exist in isolation. there is a constant input of water and electrolytes into the system. while osmoregulation is achieved across membranes within the body, excess electrolytes and wastes are transported to the kidneys and excreted, helping to maintain this? | [
"vacuum balance",
"physical balance",
"nucleic balance",
"osmotic balance"
] | osmotic balance | Answer the following multiple-choice question.
Question: The body does not exist in isolation. there is a constant input of water and electrolytes into the system. while osmoregulation is achieved across membranes within the body, excess electrolytes and wastes are transported to the kidneys and excreted, helping to maintain this?
Options:
A. vacuum balance
B. physical balance
C. nucleic balance
D. osmotic balance
Which option is correct and why? | The correct answer is: osmotic balance. | D |
What for cranberries have a negative impact on the environment? | [
"disease",
"toxins",
"enjoyment of",
"fossil fuels",
"harvesters",
"cigarettes",
"demand for",
"pesticides"
] | pesticides | Answer the following multiple-choice question.
Question: What for cranberries have a negative impact on the environment?
Options:
A. disease
B. toxins
C. enjoyment of
D. fossil fuels
E. harvesters
F. cigarettes
G. demand for
H. pesticides
Which option is correct and why? | The correct answer is: pesticides. | A |
Developing cars that run on hydrogen gas can help solve our dependence on what? | [
"food",
"nonrenewable fossil fuels",
"oxygen",
"water"
] | nonrenewable fossil fuels | Answer the following multiple-choice question.
Question: Developing cars that run on hydrogen gas can help solve our dependence on what?
Options:
A. food
B. nonrenewable fossil fuels
C. oxygen
D. water
Which option is correct and why? | The correct answer is: nonrenewable fossil fuels. | B |
Which is likely born via hatching? | [
"a raven",
"a goat",
"a horse",
"a cat"
] | a raven | Answer the following multiple-choice question.
Question: Which is likely born via hatching?
Options:
A. a raven
B. a goat
C. a horse
D. a cat
Which option is correct and why? | The correct answer is: a raven. | A |
Quantum chromodynamics combines what property with quark theory? | [
"mass",
"sound",
"color",
"contrast"
] | color | Answer the following multiple-choice question.
Question: Quantum chromodynamics combines what property with quark theory?
Options:
A. mass
B. sound
C. color
D. contrast
Which option is correct and why? | The correct answer is: color. | C |
Which is likeliest to be true? | [
"octopuses are found in the jungle",
"birds are found in the deep ocean waters",
"sheep are found high in the tree",
"seaweed is found in the shallow waters near the beach"
] | seaweed is found in the shallow waters near the beach | Answer the following multiple-choice question.
Question: Which is likeliest to be true?
Options:
A. octopuses are found in the jungle
B. birds are found in the deep ocean waters
C. sheep are found high in the tree
D. seaweed is found in the shallow waters near the beach
Which option is correct and why? | The correct answer is: seaweed is found in the shallow waters near the beach. | D |
White light is a mixture of all wavelengths of what? | [
"visible light",
"x-rays",
"infrared radiation",
"gamma radiation"
] | visible light | Answer the following multiple-choice question.
Question: White light is a mixture of all wavelengths of what?
Options:
A. visible light
B. x-rays
C. infrared radiation
D. gamma radiation
Which option is correct and why? | The correct answer is: visible light. | A |
The “knee-jerk" motion that people involuntarily perform after being struck in the knee in a certain way is an example of what kind of behavior? | [
"reaction",
"sensor",
"reflex",
"spasm"
] | reflex | Answer the following multiple-choice question.
Question: The “knee-jerk" motion that people involuntarily perform after being struck in the knee in a certain way is an example of what kind of behavior?
Options:
A. reaction
B. sensor
C. reflex
D. spasm
Which option is correct and why? | The correct answer is: reflex. | C |
What is the main ingredient of mothballs? | [
"ionized naphthalene",
"processed naphthalene",
"stable naphthalene",
"hydrocarbon naphthalene"
] | hydrocarbon naphthalene | Answer the following multiple-choice question.
Question: What is the main ingredient of mothballs?
Options:
A. ionized naphthalene
B. processed naphthalene
C. stable naphthalene
D. hydrocarbon naphthalene
Which option is correct and why? | The correct answer is: hydrocarbon naphthalene. | D |
What harms the respiratory and circulatory systems? | [
"Cars",
"oxygen",
"smoking",
"vehicles",
"emissions",
"gasoline",
"fresh air",
"lungs"
] | smoking | Answer the following multiple-choice question.
Question: What harms the respiratory and circulatory systems?
Options:
A. Cars
B. oxygen
C. smoking
D. vehicles
E. emissions
F. gasoline
G. fresh air
H. lungs
Which option is correct and why? | The correct answer is: smoking. | C |
If I am out in the sun all day I should | [
"go naked",
"drink wine",
"avoid it occasionally",
"wear a coat"
] | avoid it occasionally | Answer the following multiple-choice question.
Question: If I am out in the sun all day I should
Options:
A. go naked
B. drink wine
C. avoid it occasionally
D. wear a coat
Which option is correct and why? | The correct answer is: avoid it occasionally. | C |
What occurs with the stopping of menses? | [
"puberty",
"illness",
"period",
"menopause",
"sweating",
"acetic acid",
"Dehydration",
"adulthood"
] | menopause | Answer the following multiple-choice question.
Question: What occurs with the stopping of menses?
Options:
A. puberty
B. illness
C. period
D. menopause
E. sweating
F. acetic acid
G. Dehydration
H. adulthood
Which option is correct and why? | The correct answer is: menopause. | D |
What is the atomic number? | [
"Speed of electrons",
"Number of electrons",
"number of protons",
"Number of neutrons"
] | number of protons | Answer the following multiple-choice question.
Question: What is the atomic number?
Options:
A. Speed of electrons
B. Number of electrons
C. number of protons
D. Number of neutrons
Which option is correct and why? | The correct answer is: number of protons. | C |
The arrangement of what plant structures can be classified as either alternate, spiral, or opposite? | [
"leaves",
"spores",
"fruits",
"roots"
] | leaves | Answer the following multiple-choice question.
Question: The arrangement of what plant structures can be classified as either alternate, spiral, or opposite?
Options:
A. leaves
B. spores
C. fruits
D. roots
Which option is correct and why? | The correct answer is: leaves. | A |
What does the pituitary do to other endocrine glands?? | [
"adding heat",
"it releases them",
"it needs them",
"Damages them",
"interact",
"it destroys them",
"it sends them to the skin",
"it controls them"
] | it controls them | Answer the following multiple-choice question.
Question: What does the pituitary do to other endocrine glands??
Options:
A. adding heat
B. it releases them
C. it needs them
D. Damages them
E. interact
F. it destroys them
G. it sends them to the skin
H. it controls them
Which option is correct and why? | The correct answer is: it controls them. | A |
Sweat cools the body when it | [
"Movement of an air mass",
"dry conditions",
"heat produced",
"Decreased precipitation",
"hydration",
"It expands",
"the environment",
"turns into a gas"
] | turns into a gas | Answer the following multiple-choice question.
Question: Sweat cools the body when it
Options:
A. Movement of an air mass
B. dry conditions
C. heat produced
D. Decreased precipitation
E. hydration
F. It expands
G. the environment
H. turns into a gas
Which option is correct and why? | The correct answer is: turns into a gas. | A |
What occurs when water on the surface changes to water vapor? | [
"oxidation",
"condensation",
"photosynthesis",
"evaporation"
] | evaporation | Answer the following multiple-choice question.
Question: What occurs when water on the surface changes to water vapor?
Options:
A. oxidation
B. condensation
C. photosynthesis
D. evaporation
Which option is correct and why? | The correct answer is: evaporation. | D |
Colloids are used industrially as what? | [
"organisms",
"solutions",
"catalysts",
"impurities"
] | catalysts | Answer the following multiple-choice question.
Question: Colloids are used industrially as what?
Options:
A. organisms
B. solutions
C. catalysts
D. impurities
Which option is correct and why? | The correct answer is: catalysts. | C |
A child will only grow if they are provided with | [
"energy",
"education",
"inspiration",
"a bed"
] | energy | Answer the following multiple-choice question.
Question: A child will only grow if they are provided with
Options:
A. energy
B. education
C. inspiration
D. a bed
Which option is correct and why? | The correct answer is: energy. | A |
What natural resource can be damaged by the accumulation of too much salt? | [
"forests",
"sediment",
"soil",
"mineral"
] | soil | Answer the following multiple-choice question.
Question: What natural resource can be damaged by the accumulation of too much salt?
Options:
A. forests
B. sediment
C. soil
D. mineral
Which option is correct and why? | The correct answer is: soil. | C |
What has a negative impact on people, animals and plants? | [
"steroids",
"liver cancer",
"disease",
"influenza",
"drought",
"landfills",
"deforestation",
"bacteria"
] | landfills | Answer the following multiple-choice question.
Question: What has a negative impact on people, animals and plants?
Options:
A. steroids
B. liver cancer
C. disease
D. influenza
E. drought
F. landfills
G. deforestation
H. bacteria
Which option is correct and why? | The correct answer is: landfills. | A |
What type of behavior has the advantage of being flexible and capable of changing to suit changing conditions? | [
"noted behavior",
"saved behavior",
"learned behavior",
"inherited behavior"
] | learned behavior | Answer the following multiple-choice question.
Question: What type of behavior has the advantage of being flexible and capable of changing to suit changing conditions?
Options:
A. noted behavior
B. saved behavior
C. learned behavior
D. inherited behavior
Which option is correct and why? | The correct answer is: learned behavior. | C |
A boy puts some vinegar in a glass of some bleach and finds | [
"both are frozen",
"bother taste good",
"both are dry",
"both are adjusted"
] | both are adjusted | Answer the following multiple-choice question.
Question: A boy puts some vinegar in a glass of some bleach and finds
Options:
A. both are frozen
B. bother taste good
C. both are dry
D. both are adjusted
Which option is correct and why? | The correct answer is: both are adjusted. | D |
Which are muscles? | [
"to move people",
"quadriceps",
"mechanical",
"critical organs",
"bones",
"heat or cold",
"joints",
"tendons"
] | quadriceps | Answer the following multiple-choice question.
Question: Which are muscles?
Options:
A. to move people
B. quadriceps
C. mechanical
D. critical organs
E. bones
F. heat or cold
G. joints
H. tendons
Which option is correct and why? | The correct answer is: quadriceps. | B |
A glacier moved through an area years and years ago, and scientists can tell this by | [
"looking at the moon",
"looking at the dogs",
"looking at the sky conditions",
"glancing at nearby stone"
] | glancing at nearby stone | Answer the following multiple-choice question.
Question: A glacier moved through an area years and years ago, and scientists can tell this by
Options:
A. looking at the moon
B. looking at the dogs
C. looking at the sky conditions
D. glancing at nearby stone
Which option is correct and why? | The correct answer is: glancing at nearby stone. | D |
which of these would more likely survive? | [
"a lost dog by the river, with small rodents",
"a cat left in the desert",
"a man drifting a raft at sea without supplies",
"none of these"
] | a lost dog by the river, with small rodents | Answer the following multiple-choice question.
Question: which of these would more likely survive?
Options:
A. a lost dog by the river, with small rodents
B. a cat left in the desert
C. a man drifting a raft at sea without supplies
D. none of these
Which option is correct and why? | The correct answer is: a lost dog by the river, with small rodents. | A |
Where are protons and neutrons located? | [
"electron shell",
"radius",
"epidermis",
"nucleus"
] | nucleus | Answer the following multiple-choice question.
Question: Where are protons and neutrons located?
Options:
A. electron shell
B. radius
C. epidermis
D. nucleus
Which option is correct and why? | The correct answer is: nucleus. | D |
How do plants create young? | [
"it needs them",
"heat produced",
"Exfoliation",
"by indirect light",
"Specialized ways",
"It helps them survive",
"reproduce",
"color of leaves"
] | Specialized ways | Answer the following multiple-choice question.
Question: How do plants create young?
Options:
A. it needs them
B. heat produced
C. Exfoliation
D. by indirect light
E. Specialized ways
F. It helps them survive
G. reproduce
H. color of leaves
Which option is correct and why? | The correct answer is: Specialized ways. | E |
What is a thermometer used to measure? | [
"height",
"weight",
"oxygen density",
"warmness"
] | warmness | Answer the following multiple-choice question.
Question: What is a thermometer used to measure?
Options:
A. height
B. weight
C. oxygen density
D. warmness
Which option is correct and why? | The correct answer is: warmness. | D |
Being exposed to wind can cause what? | [
"Electrical energy",
"tarnation",
"deviation",
"Pollution",
"Dehydration",
"flooding",
"desertification",
"lamination"
] | desertification | Answer the following multiple-choice question.
Question: Being exposed to wind can cause what?
Options:
A. Electrical energy
B. tarnation
C. deviation
D. Pollution
E. Dehydration
F. flooding
G. desertification
H. lamination
Which option is correct and why? | The correct answer is: desertification. | A |
An example of biofuel could be | [
"metal",
"the sun",
"leaves",
"the wind"
] | leaves | Answer the following multiple-choice question.
Question: An example of biofuel could be
Options:
A. metal
B. the sun
C. leaves
D. the wind
Which option is correct and why? | The correct answer is: leaves. | C |
What can be thought of as the fundamental unit of life? | [
"cell",
"electron",
"atom",
"ion"
] | cell | Answer the following multiple-choice question.
Question: What can be thought of as the fundamental unit of life?
Options:
A. cell
B. electron
C. atom
D. ion
Which option is correct and why? | The correct answer is: cell. | A |
What is another term for the voice box? | [
"pharynx",
"pancreas",
"larynx",
"optical nerve"
] | larynx | Answer the following multiple-choice question.
Question: What is another term for the voice box?
Options:
A. pharynx
B. pancreas
C. larynx
D. optical nerve
Which option is correct and why? | The correct answer is: larynx. | C |
What happens when soda cans conduct heat? | [
"float",
"They expand",
"Evaporation",
"Energy.",
"energy",
"They inflate",
"heating liquids",
"strengthen"
] | They expand | Answer the following multiple-choice question.
Question: What happens when soda cans conduct heat?
Options:
A. float
B. They expand
C. Evaporation
D. Energy.
E. energy
F. They inflate
G. heating liquids
H. strengthen
Which option is correct and why? | The correct answer is: They expand. | B |
The animal kingdom can also be divided into two basic groups, what are they? | [
"invertebrates and vertebrates",
"aquatic and land",
"sponges and vertebrates",
"mammals and fish"
] | invertebrates and vertebrates | Answer the following multiple-choice question.
Question: The animal kingdom can also be divided into two basic groups, what are they?
Options:
A. invertebrates and vertebrates
B. aquatic and land
C. sponges and vertebrates
D. mammals and fish
Which option is correct and why? | The correct answer is: invertebrates and vertebrates. | A |
The property of fur that is a result of the way that it reflects or emits light is | [
"an inherited characteristic",
"a fabricated characteristic",
"a manufacturing characteristic",
"an age characteristic"
] | an inherited characteristic | Answer the following multiple-choice question.
Question: The property of fur that is a result of the way that it reflects or emits light is
Options:
A. an inherited characteristic
B. a fabricated characteristic
C. a manufacturing characteristic
D. an age characteristic
Which option is correct and why? | The correct answer is: an inherited characteristic. | A |
What is influenza caused by? | [
"insects",
"A bacteria",
"smoking",
"Mold",
"Viruses",
"amoeba",
"Cold weather",
"chemicals"
] | Viruses | Answer the following multiple-choice question.
Question: What is influenza caused by?
Options:
A. insects
B. A bacteria
C. smoking
D. Mold
E. Viruses
F. amoeba
G. Cold weather
H. chemicals
Which option is correct and why? | The correct answer is: Viruses. | E |
What causes global warming? | [
"Oceans rising",
"Deforestation",
"Greenhouse gasses",
"Burning fossil fuels",
"Greenhouse gases",
"Movement of an air mass",
"Leaving lights on",
"tectonic plates coliding"
] | Burning fossil fuels | Answer the following multiple-choice question.
Question: What causes global warming?
Options:
A. Oceans rising
B. Deforestation
C. Greenhouse gasses
D. Burning fossil fuels
E. Greenhouse gases
F. Movement of an air mass
G. Leaving lights on
H. tectonic plates coliding
Which option is correct and why? | The correct answer is: Burning fossil fuels. | D |
What is solid water that forms when water vapor undergoes deposition? | [
"dew",
"distillate",
"glacier",
"frost"
] | frost | Answer the following multiple-choice question.
Question: What is solid water that forms when water vapor undergoes deposition?
Options:
A. dew
B. distillate
C. glacier
D. frost
Which option is correct and why? | The correct answer is: frost. | D |
Echinoderms lack what type of system that in humans consists of the brain and spinal cord? | [
"endocrine system",
"autonomic system",
"peripheral nervous system",
"centralized nervous system"
] | centralized nervous system | Answer the following multiple-choice question.
Question: Echinoderms lack what type of system that in humans consists of the brain and spinal cord?
Options:
A. endocrine system
B. autonomic system
C. peripheral nervous system
D. centralized nervous system
Which option is correct and why? | The correct answer is: centralized nervous system. | D |
An alternative to inclusive fitness is group selection, a type of what scenario where small groups of organisms of the same species are effectively acting as single (perhaps colonial) organisms? | [
"combination",
"molecular",
"introductory",
"evolutionary"
] | evolutionary | Answer the following multiple-choice question.
Question: An alternative to inclusive fitness is group selection, a type of what scenario where small groups of organisms of the same species are effectively acting as single (perhaps colonial) organisms?
Options:
A. combination
B. molecular
C. introductory
D. evolutionary
Which option is correct and why? | The correct answer is: evolutionary. | D |
Dermal, vascular, and ground tissue make up what part of a plant, which bears the leaves, flowers and fruits? | [
"stem",
"root",
"flowers",
"leaves"
] | stem | Answer the following multiple-choice question.
Question: Dermal, vascular, and ground tissue make up what part of a plant, which bears the leaves, flowers and fruits?
Options:
A. stem
B. root
C. flowers
D. leaves
Which option is correct and why? | The correct answer is: stem. | A |
What happens to cells in a hypertonic solution as water leaves the cell via osmosis? | [
"evaporation",
"get larger",
"shrinkage",
"self destruction"
] | shrinkage | Answer the following multiple-choice question.
Question: What happens to cells in a hypertonic solution as water leaves the cell via osmosis?
Options:
A. evaporation
B. get larger
C. shrinkage
D. self destruction
Which option is correct and why? | The correct answer is: shrinkage. | C |
A pollution source in a county may be | [
"compost pile",
"grass seeds",
"recycling center",
"trash heap"
] | trash heap | Answer the following multiple-choice question.
Question: A pollution source in a county may be
Options:
A. compost pile
B. grass seeds
C. recycling center
D. trash heap
Which option is correct and why? | The correct answer is: trash heap. | D |
a cloudy day may obstruct visibility of which of these? | [
"the screen on a smartphone",
"our planet's closest star",
"the teacher in the class",
"the waitress's name tag"
] | our planet's closest star | Answer the following multiple-choice question.
Question: a cloudy day may obstruct visibility of which of these?
Options:
A. the screen on a smartphone
B. our planet's closest star
C. the teacher in the class
D. the waitress's name tag
Which option is correct and why? | The correct answer is: our planet's closest star. | B |
What do populations gain through births and immigration? | [
"Over Crowding",
"Over Population",
"humans",
"individuals"
] | individuals | Answer the following multiple-choice question.
Question: What do populations gain through births and immigration?
Options:
A. Over Crowding
B. Over Population
C. humans
D. individuals
Which option is correct and why? | The correct answer is: individuals. | D |
How is most evidence gathered in science? | [
"observation",
"hypothesis",
"lab experiments",
"field research"
] | lab experiments | Answer the following multiple-choice question.
Question: How is most evidence gathered in science?
Options:
A. observation
B. hypothesis
C. lab experiments
D. field research
Which option is correct and why? | The correct answer is: lab experiments. | C |
What type of organism has a nucleus? | [
"potatoes",
"Plants",
"embryos",
"animals",
"amoeba",
"a fish",
"Fungi",
"bacteria"
] | Plants | Answer the following multiple-choice question.
Question: What type of organism has a nucleus?
Options:
A. potatoes
B. Plants
C. embryos
D. animals
E. amoeba
F. a fish
G. Fungi
H. bacteria
Which option is correct and why? | The correct answer is: Plants. | B |
what have a life cycle with sexual reproduction | [
"insects",
"graptolites",
"minerals",
"bacteria",
"barnacles",
"lobsters",
"animals",
"fungus"
] | lobsters | Answer the following multiple-choice question.
Question: what have a life cycle with sexual reproduction
Options:
A. insects
B. graptolites
C. minerals
D. bacteria
E. barnacles
F. lobsters
G. animals
H. fungus
Which option is correct and why? | The correct answer is: lobsters. | A |
What are lipopolysaccharide components of the outer membrane of gram-negative bacteria? | [
"endotoxins",
"reactants",
"hormones",
"pathogens"
] | endotoxins | Answer the following multiple-choice question.
Question: What are lipopolysaccharide components of the outer membrane of gram-negative bacteria?
Options:
A. endotoxins
B. reactants
C. hormones
D. pathogens
Which option is correct and why? | The correct answer is: endotoxins. | A |
What shape are the things that develop from spores? | [
"fungi",
"a prism",
"small",
"Heart",
"complex",
"bushes",
"ferns",
"gills"
] | Heart | Answer the following multiple-choice question.
Question: What shape are the things that develop from spores?
Options:
A. fungi
B. a prism
C. small
D. Heart
E. complex
F. bushes
G. ferns
H. gills
Which option is correct and why? | The correct answer is: Heart. | D |
If you wanted to make a metal bed frame, where would you start? | [
"search for rocks",
"make dinner",
"slice bread",
"dump out water"
] | search for rocks | Answer the following multiple-choice question.
Question: If you wanted to make a metal bed frame, where would you start?
Options:
A. search for rocks
B. make dinner
C. slice bread
D. dump out water
Which option is correct and why? | The correct answer is: search for rocks. | A |
reptiles lay what? | [
"live young",
"rocks",
"dirt",
"oval whites"
] | oval whites | Answer the following multiple-choice question.
Question: reptiles lay what?
Options:
A. live young
B. rocks
C. dirt
D. oval whites
Which option is correct and why? | The correct answer is: oval whites. | D |
What occurs when rocks are weathered mechanically? | [
"Sediment",
"flooding",
"movement",
"Winter",
"deltas",
"wind",
"amoebae",
"friction"
] | Sediment | Answer the following multiple-choice question.
Question: What occurs when rocks are weathered mechanically?
Options:
A. Sediment
B. flooding
C. movement
D. Winter
E. deltas
F. wind
G. amoebae
H. friction
Which option is correct and why? | The correct answer is: Sediment. | A |
Not surprisingly, what is the function of the most developed part of a bird's brain? | [
"controlling thought",
"controlling digestion",
"controlling breeding",
"controlling flight"
] | controlling flight | Answer the following multiple-choice question.
Question: Not surprisingly, what is the function of the most developed part of a bird's brain?
Options:
A. controlling thought
B. controlling digestion
C. controlling breeding
D. controlling flight
Which option is correct and why? | The correct answer is: controlling flight. | D |
Which carbohydrates can be classified in terms of chain length? | [
"complex",
"binary",
"simple",
"atomic"
] | simple | Answer the following multiple-choice question.
Question: Which carbohydrates can be classified in terms of chain length?
Options:
A. complex
B. binary
C. simple
D. atomic
Which option is correct and why? | The correct answer is: simple. | C |
What has a circulatory system with a two-chambered heart? | [
"salmon",
"Man",
"Toyota",
"Birds",
"koalas",
"tuna",
"sharks",
"toads"
] | tuna | Answer the following multiple-choice question.
Question: What has a circulatory system with a two-chambered heart?
Options:
A. salmon
B. Man
C. Toyota
D. Birds
E. koalas
F. tuna
G. sharks
H. toads
Which option is correct and why? | The correct answer is: tuna. | A |
If a rub two rocks together after awhile they will start to | [
"Get smooth",
"Become butterflies",
"Become art",
"Make a chair"
] | Get smooth | Answer the following multiple-choice question.
Question: If a rub two rocks together after awhile they will start to
Options:
A. Get smooth
B. Become butterflies
C. Become art
D. Make a chair
Which option is correct and why? | The correct answer is: Get smooth. | A |
What change is likely in a hemisphere when it is pointed away from the sun? | [
"more sunlight per day",
"movement of tectonic plates",
"exposure to cold",
"Plant growth is reduced",
"the moon appears bigger",
"Movement of an air mass",
"solar eclipse",
"global warming"
] | Plant growth is reduced | Answer the following multiple-choice question.
Question: What change is likely in a hemisphere when it is pointed away from the sun?
Options:
A. more sunlight per day
B. movement of tectonic plates
C. exposure to cold
D. Plant growth is reduced
E. the moon appears bigger
F. Movement of an air mass
G. solar eclipse
H. global warming
Which option is correct and why? | The correct answer is: Plant growth is reduced. | D |
Which is the most likely cause of throat tumors? | [
"cigars",
"Allergies",
"viruses",
"Pesticides",
"rocks",
"doctors",
"the skin",
"water"
] | viruses | Answer the following multiple-choice question.
Question: Which is the most likely cause of throat tumors?
Options:
A. cigars
B. Allergies
C. viruses
D. Pesticides
E. rocks
F. doctors
G. the skin
H. water
Which option is correct and why? | The correct answer is: viruses. | C |
what vapor moves from plants into the atmosphere during transpiration? | [
"outer space",
"clouds",
"H2O",
"CO 2",
"CFCs",
"CO2",
"Dew",
"H20"
] | H2O | Answer the following multiple-choice question.
Question: what vapor moves from plants into the atmosphere during transpiration?
Options:
A. outer space
B. clouds
C. H2O
D. CO 2
E. CFCs
F. CO2
G. Dew
H. H20
Which option is correct and why? | The correct answer is: H2O. | C |
A possible downside of driving a car is | [
"slow and inefficient",
"more asthma in children",
"split ends",
"greying hair",
"Plant growth is reduced",
"decreases its bodily water",
"balding",
"Greenhouse gasses"
] | more asthma in children | Answer the following multiple-choice question.
Question: A possible downside of driving a car is
Options:
A. slow and inefficient
B. more asthma in children
C. split ends
D. greying hair
E. Plant growth is reduced
F. decreases its bodily water
G. balding
H. Greenhouse gasses
Which option is correct and why? | The correct answer is: more asthma in children. | B |
As a plant's roots get bigger, they split apart | [
"worms",
"water",
"granite",
"atoms"
] | granite | Answer the following multiple-choice question.
Question: As a plant's roots get bigger, they split apart
Options:
A. worms
B. water
C. granite
D. atoms
Which option is correct and why? | The correct answer is: granite. | C |
Antigens produce large, Y-shaped what? | [
"Allergies",
"epidermal",
"deltas",
"bioaerosols",
"Joules",
"parasites",
"proteins",
"PDAs"
] | proteins | Answer the following multiple-choice question.
Question: Antigens produce large, Y-shaped what?
Options:
A. Allergies
B. epidermal
C. deltas
D. bioaerosols
E. Joules
F. parasites
G. proteins
H. PDAs
Which option is correct and why? | The correct answer is: proteins. | A |
Why are marmots protected from wild fire? | [
"They're in water",
"an external framework",
"water conservation",
"hard outer covering",
"They don't live near fire",
"They're underground",
"They're fireproof",
"important habitats"
] | They're underground | Answer the following multiple-choice question.
Question: Why are marmots protected from wild fire?
Options:
A. They're in water
B. an external framework
C. water conservation
D. hard outer covering
E. They don't live near fire
F. They're underground
G. They're fireproof
H. important habitats
Which option is correct and why? | The correct answer is: They're underground. | A |
What uses organic compounds from dead organisms? | [
"fossil fuels",
"swamp vegetation",
"peachleaf willow",
"Cooking",
"it needs them",
"Heterotrophs",
"agriculture",
"Most plants"
] | Heterotrophs | Answer the following multiple-choice question.
Question: What uses organic compounds from dead organisms?
Options:
A. fossil fuels
B. swamp vegetation
C. peachleaf willow
D. Cooking
E. it needs them
F. Heterotrophs
G. agriculture
H. Most plants
Which option is correct and why? | The correct answer is: Heterotrophs. | A |
What do you call a small whole number placed in front of a formula in an equation in order to balance it? | [
"divisible",
"correlation",
"function",
"coefficient"
] | coefficient | Answer the following multiple-choice question.
Question: What do you call a small whole number placed in front of a formula in an equation in order to balance it?
Options:
A. divisible
B. correlation
C. function
D. coefficient
Which option is correct and why? | The correct answer is: coefficient. | D |
What do Earthworms do to the soil? | [
"reusing things",
"competing for resources",
"Ruins the soil",
"Enriches the soil",
"Damages them",
"Converting waste.",
"Creates more soil",
"Makes the soil mold"
] | Enriches the soil | Answer the following multiple-choice question.
Question: What do Earthworms do to the soil?
Options:
A. reusing things
B. competing for resources
C. Ruins the soil
D. Enriches the soil
E. Damages them
F. Converting waste.
G. Creates more soil
H. Makes the soil mold
Which option is correct and why? | The correct answer is: Enriches the soil. | D |
If a thing is tossed and goes uncaught, then it will | [
"reproduce",
"fall",
"dissolve",
"burn"
] | fall | Answer the following multiple-choice question.
Question: If a thing is tossed and goes uncaught, then it will
Options:
A. reproduce
B. fall
C. dissolve
D. burn
Which option is correct and why? | The correct answer is: fall. | B |
The amount of water vapor in the air and the temperature of the medium affects how fast what travels? | [
"light",
"colour",
"sound",
"traffic"
] | sound | Answer the following multiple-choice question.
Question: The amount of water vapor in the air and the temperature of the medium affects how fast what travels?
Options:
A. light
B. colour
C. sound
D. traffic
Which option is correct and why? | The correct answer is: sound. | C |
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