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 |
|---|---|---|---|---|---|
Each pollen grain has two coverings: the exine (thicker, outer layer) and the what? | [
"cytoplasm",
"intine",
"pollen tube",
"tube nucleus"
] | intine | Answer the following multiple-choice question.
Question: Each pollen grain has two coverings: the exine (thicker, outer layer) and the what?
Options:
A. cytoplasm
B. intine
C. pollen tube
D. tube nucleus
Which option is correct and why? | The correct answer is: intine. | B |
what do mammals use for heat? | [
"thermogenesis",
"Animal fur",
"feet",
"Chemical energy",
"fur and fat",
"layers of fat",
"convection",
"ice"
] | thermogenesis | Answer the following multiple-choice question.
Question: what do mammals use for heat?
Options:
A. thermogenesis
B. Animal fur
C. feet
D. Chemical energy
E. fur and fat
F. layers of fat
G. convection
H. ice
Which option is correct and why? | The correct answer is: thermogenesis. | A |
Sunlight is a source of light from what? | [
"lamps",
"lightbulbs",
"local star",
"star actor"
] | local star | Answer the following multiple-choice question.
Question: Sunlight is a source of light from what?
Options:
A. lamps
B. lightbulbs
C. local star
D. star actor
Which option is correct and why? | The correct answer is: local star. | C |
What decay produces helium nuclei? | [
"duo decay",
"Beta Decay",
"alpha decay",
"radiative decay"
] | alpha decay | Answer the following multiple-choice question.
Question: What decay produces helium nuclei?
Options:
A. duo decay
B. Beta Decay
C. alpha decay
D. radiative decay
Which option is correct and why? | The correct answer is: alpha decay. | C |
A light using energy can cease that activity when | [
"light bulbs are gold",
"lights are always on",
"wall switch is adjusted",
"walls are painted blue"
] | wall switch is adjusted | Answer the following multiple-choice question.
Question: A light using energy can cease that activity when
Options:
A. light bulbs are gold
B. lights are always on
C. wall switch is adjusted
D. walls are painted blue
Which option is correct and why? | The correct answer is: wall switch is adjusted. | C |
What is an example of the Earth rotating on its axis? | [
"constellations are only visible in some parts of the world during certain months",
"cloud coverage varies depending on the season",
"it is always cold in Antarctica",
"the equator moves up and down around the Earth"
] | constellations are only visible in some parts of the world during certain months | Answer the following multiple-choice question.
Question: What is an example of the Earth rotating on its axis?
Options:
A. constellations are only visible in some parts of the world during certain months
B. cloud coverage varies depending on the season
C. it is always cold in Antarctica
D. the equator moves up and down around the Earth
Which option is correct and why? | The correct answer is: constellations are only visible in some parts of the world during certain months. | A |
What might happen in an Earthquake? | [
"It is the start of the Olympics",
"Cats come out of the crack",
"Jimmy may need to move",
"A magical god comes out"
] | Jimmy may need to move | Answer the following multiple-choice question.
Question: What might happen in an Earthquake?
Options:
A. It is the start of the Olympics
B. Cats come out of the crack
C. Jimmy may need to move
D. A magical god comes out
Which option is correct and why? | The correct answer is: Jimmy may need to move. | C |
What are mass, volume, and length an example of? | [
"extensive compounds",
"fantastic properties",
"extensive properties",
"dynamic properties"
] | extensive properties | Answer the following multiple-choice question.
Question: What are mass, volume, and length an example of?
Options:
A. extensive compounds
B. fantastic properties
C. extensive properties
D. dynamic properties
Which option is correct and why? | The correct answer is: extensive properties. | C |
When you reuse products you reduce resources but also protect the? | [
"Plastic",
"Environment",
"consumers",
"Climate",
"protect them",
"Humans",
"health",
"Animal survival"
] | Environment | Answer the following multiple-choice question.
Question: When you reuse products you reduce resources but also protect the?
Options:
A. Plastic
B. Environment
C. consumers
D. Climate
E. protect them
F. Humans
G. health
H. Animal survival
Which option is correct and why? | The correct answer is: Environment. | B |
Which type of skeleton supports the animal, protects internal organs, and allows for movement? | [
"external",
"shell",
"mechanical",
"internal"
] | internal | Answer the following multiple-choice question.
Question: Which type of skeleton supports the animal, protects internal organs, and allows for movement?
Options:
A. external
B. shell
C. mechanical
D. internal
Which option is correct and why? | The correct answer is: internal. | D |
If a thing is up and then is down then it is | [
"seared",
"invisible",
"wet",
"transported"
] | transported | Answer the following multiple-choice question.
Question: If a thing is up and then is down then it is
Options:
A. seared
B. invisible
C. wet
D. transported
Which option is correct and why? | The correct answer is: transported. | D |
How does the liquid in a thermometer respond to heat or cold? | [
"expands or contracts",
"disappears",
"rises or vaporizes",
"freezes or boils"
] | expands or contracts | Answer the following multiple-choice question.
Question: How does the liquid in a thermometer respond to heat or cold?
Options:
A. expands or contracts
B. disappears
C. rises or vaporizes
D. freezes or boils
Which option is correct and why? | The correct answer is: expands or contracts. | A |
What may change the structure of a nucleotide? | [
"oxidation reaction",
"adding heat",
"Water",
"Name",
"Mutagenic chemicals",
"permineralization",
"Air",
"that material's properties"
] | Mutagenic chemicals | Answer the following multiple-choice question.
Question: What may change the structure of a nucleotide?
Options:
A. oxidation reaction
B. adding heat
C. Water
D. Name
E. Mutagenic chemicals
F. permineralization
G. Air
H. that material's properties
Which option is correct and why? | The correct answer is: Mutagenic chemicals. | E |
When is timing critical for plants? | [
"in the sexual reproduction",
"Earth's weather system",
"The flowers are pollinated",
"during the day",
"It helps them survive",
"the Earth being tilted",
"Earth revolving around the sun",
"seed dispersal"
] | in the sexual reproduction | Answer the following multiple-choice question.
Question: When is timing critical for plants?
Options:
A. in the sexual reproduction
B. Earth's weather system
C. The flowers are pollinated
D. during the day
E. It helps them survive
F. the Earth being tilted
G. Earth revolving around the sun
H. seed dispersal
Which option is correct and why? | The correct answer is: in the sexual reproduction. | A |
What will prevent the formation of sand dunes? | [
"focusing a lens",
"forces",
"energy barrier",
"flooding",
"erosion",
"less water",
"Solar energy",
"vegetation"
] | vegetation | Answer the following multiple-choice question.
Question: What will prevent the formation of sand dunes?
Options:
A. focusing a lens
B. forces
C. energy barrier
D. flooding
E. erosion
F. less water
G. Solar energy
H. vegetation
Which option is correct and why? | The correct answer is: vegetation. | A |
What breaks food into nutrients for the body? | [
"Fully cooking the oysters",
"secretion of acids and bases",
"Eating and drinking",
"the most widely used biofuel",
"the stage of citokinesis",
"To conserve energy",
"Something that tapeworms do not have",
"hydration of their cells"
] | Something that tapeworms do not have | Answer the following multiple-choice question.
Question: What breaks food into nutrients for the body?
Options:
A. Fully cooking the oysters
B. secretion of acids and bases
C. Eating and drinking
D. the most widely used biofuel
E. the stage of citokinesis
F. To conserve energy
G. Something that tapeworms do not have
H. hydration of their cells
Which option is correct and why? | The correct answer is: Something that tapeworms do not have. | A |
How is blood supplied from the mother to the fetus? | [
"umbilical cord",
"brain stem",
"spinal cord",
"vagina"
] | umbilical cord | Answer the following multiple-choice question.
Question: How is blood supplied from the mother to the fetus?
Options:
A. umbilical cord
B. brain stem
C. spinal cord
D. vagina
Which option is correct and why? | The correct answer is: umbilical cord. | A |
What do we call structures that are similar in related organisms because they were inherited from a common ancestor? | [
"filamentous",
"polylogous",
"monogamous",
"homologous"
] | homologous | Answer the following multiple-choice question.
Question: What do we call structures that are similar in related organisms because they were inherited from a common ancestor?
Options:
A. filamentous
B. polylogous
C. monogamous
D. homologous
Which option is correct and why? | The correct answer is: homologous. | D |
some animals are what for staying warm in the winter? | [
"hot headed",
"dormant",
"coiled",
"warm-blooded",
"cold-blooded",
"When it's cold",
"chill minded",
"bullfrogs"
] | warm-blooded | Answer the following multiple-choice question.
Question: some animals are what for staying warm in the winter?
Options:
A. hot headed
B. dormant
C. coiled
D. warm-blooded
E. cold-blooded
F. When it's cold
G. chill minded
H. bullfrogs
Which option is correct and why? | The correct answer is: warm-blooded. | D |
What device uses an electromagnet to change electrical energy to kinetic energy? | [
"public motor",
"melodic motor",
"Magnetic motor.",
"electric motor"
] | electric motor | Answer the following multiple-choice question.
Question: What device uses an electromagnet to change electrical energy to kinetic energy?
Options:
A. public motor
B. melodic motor
C. Magnetic motor.
D. electric motor
Which option is correct and why? | The correct answer is: electric motor. | D |
what can blow air? | [
"wind",
"gravity",
"density",
"volume",
"humans",
"heat energy",
"some mammals",
"referees"
] | referees | Answer the following multiple-choice question.
Question: what can blow air?
Options:
A. wind
B. gravity
C. density
D. volume
E. humans
F. heat energy
G. some mammals
H. referees
Which option is correct and why? | The correct answer is: referees. | A |
What is the group of all the eukaryotes that are not fungi, animals, or plants called? | [
"filamentous",
"arthropods",
"lizards",
"protists"
] | protists | Answer the following multiple-choice question.
Question: What is the group of all the eukaryotes that are not fungi, animals, or plants called?
Options:
A. filamentous
B. arthropods
C. lizards
D. protists
Which option is correct and why? | The correct answer is: protists. | D |
As number of organisms in a group increases , how will the chance of survival of each organism change? | [
"float",
"minimal change",
"augmented",
"lowered"
] | augmented | Answer the following multiple-choice question.
Question: As number of organisms in a group increases , how will the chance of survival of each organism change?
Options:
A. float
B. minimal change
C. augmented
D. lowered
Which option is correct and why? | The correct answer is: augmented. | C |
Why would a plant not do well indoors? | [
"the temperature is not as good",
"it's not by other plants",
"the roots have less light energy to absorb",
"the chlorophyll has less light energy to absorb"
] | the chlorophyll has less light energy to absorb | Answer the following multiple-choice question.
Question: Why would a plant not do well indoors?
Options:
A. the temperature is not as good
B. it's not by other plants
C. the roots have less light energy to absorb
D. the chlorophyll has less light energy to absorb
Which option is correct and why? | The correct answer is: the chlorophyll has less light energy to absorb. | D |
What is used for cooking food by putting it over fire? | [
"a pan",
"oil",
"a sink",
"a fridge",
"corn",
"Oak",
"energy",
"a microwave"
] | a pan | Answer the following multiple-choice question.
Question: What is used for cooking food by putting it over fire?
Options:
A. a pan
B. oil
C. a sink
D. a fridge
E. corn
F. Oak
G. energy
H. a microwave
Which option is correct and why? | The correct answer is: a pan. | A |
There are producers that exist in the food chain, and they basically | [
"are mainly creatures like deer",
"require photosynthesis to survive",
"produce a thing called chlorophyll",
"make good money at work"
] | require photosynthesis to survive | Answer the following multiple-choice question.
Question: There are producers that exist in the food chain, and they basically
Options:
A. are mainly creatures like deer
B. require photosynthesis to survive
C. produce a thing called chlorophyll
D. make good money at work
Which option is correct and why? | The correct answer is: require photosynthesis to survive. | B |
which of these formations are typically the highest point from sea level? | [
"the sandy river bank",
"a long river channel",
"a cooled lava top",
"a lush green valley"
] | a cooled lava top | Answer the following multiple-choice question.
Question: which of these formations are typically the highest point from sea level?
Options:
A. the sandy river bank
B. a long river channel
C. a cooled lava top
D. a lush green valley
Which option is correct and why? | The correct answer is: a cooled lava top. | C |
If a habitat can longer support a species, that species tends to | [
"Plant growth is reduced",
"cause their death",
"It becomes dormant",
"threatened",
"stay in the area",
"clean the area",
"move to another are",
"fix the area"
] | move to another are | Answer the following multiple-choice question.
Question: If a habitat can longer support a species, that species tends to
Options:
A. Plant growth is reduced
B. cause their death
C. It becomes dormant
D. threatened
E. stay in the area
F. clean the area
G. move to another are
H. fix the area
Which option is correct and why? | The correct answer is: move to another are. | A |
What must two nuclei do for fusion to occur? | [
"explode",
"melt",
"repel each other",
"collide"
] | collide | Answer the following multiple-choice question.
Question: What must two nuclei do for fusion to occur?
Options:
A. explode
B. melt
C. repel each other
D. collide
Which option is correct and why? | The correct answer is: collide. | D |
A hummingbird will be useful to which of these things in procreation? | [
"sawdust",
"bears",
"beetles",
"cherry tree"
] | cherry tree | Answer the following multiple-choice question.
Question: A hummingbird will be useful to which of these things in procreation?
Options:
A. sawdust
B. bears
C. beetles
D. cherry tree
Which option is correct and why? | The correct answer is: cherry tree. | D |
What can cause an animal to leave an environment? | [
"too much food",
"an animal living in comfort",
"A forest fire",
"colder weather",
"drought",
"harmful substances",
"deforestation",
"nice weather"
] | A forest fire | Answer the following multiple-choice question.
Question: What can cause an animal to leave an environment?
Options:
A. too much food
B. an animal living in comfort
C. A forest fire
D. colder weather
E. drought
F. harmful substances
G. deforestation
H. nice weather
Which option is correct and why? | The correct answer is: A forest fire. | C |
A tiger with a stubby tail most likely | [
"has children with long tails",
"had ancestors with that trait",
"has siblings with long tails",
"had parents with long tails"
] | had ancestors with that trait | Answer the following multiple-choice question.
Question: A tiger with a stubby tail most likely
Options:
A. has children with long tails
B. had ancestors with that trait
C. has siblings with long tails
D. had parents with long tails
Which option is correct and why? | The correct answer is: had ancestors with that trait. | B |
Lettuce feeds rabbits by creating food with | [
"hamburgers",
"help from friends",
"chloroplasts",
"ordering out"
] | chloroplasts | Answer the following multiple-choice question.
Question: Lettuce feeds rabbits by creating food with
Options:
A. hamburgers
B. help from friends
C. chloroplasts
D. ordering out
Which option is correct and why? | The correct answer is: chloroplasts. | C |
Trees grow growth-rings one time each year; so which of these is correct? | [
"a tree with nine rings is nine years old",
"a tree with six rings is seven years old",
"a tree with eight rings is five years old",
"telling how old a tree is is impossible based on rings"
] | a tree with nine rings is nine years old | Answer the following multiple-choice question.
Question: Trees grow growth-rings one time each year; so which of these is correct?
Options:
A. a tree with nine rings is nine years old
B. a tree with six rings is seven years old
C. a tree with eight rings is five years old
D. telling how old a tree is is impossible based on rings
Which option is correct and why? | The correct answer is: a tree with nine rings is nine years old. | A |
What do monarch butterfly larvae depend on for their food? | [
"pollen",
"seaweed",
"milkweeds",
"honey"
] | milkweeds | Answer the following multiple-choice question.
Question: What do monarch butterfly larvae depend on for their food?
Options:
A. pollen
B. seaweed
C. milkweeds
D. honey
Which option is correct and why? | The correct answer is: milkweeds. | C |
In his work with pea plants, mendel performed what, which involves mating two true-breeding individuals that have different traits? | [
"hybridization",
"mutations",
"assimilation",
"cross-breeding"
] | hybridization | Answer the following multiple-choice question.
Question: In his work with pea plants, mendel performed what, which involves mating two true-breeding individuals that have different traits?
Options:
A. hybridization
B. mutations
C. assimilation
D. cross-breeding
Which option is correct and why? | The correct answer is: hybridization. | A |
To figure out the height of a wave you measure the distance between the crest and what? | [
"trough",
"core",
"crater",
"drift"
] | trough | Answer the following multiple-choice question.
Question: To figure out the height of a wave you measure the distance between the crest and what?
Options:
A. trough
B. core
C. crater
D. drift
Which option is correct and why? | The correct answer is: trough. | A |
In southern Africa we are more likely to see snow in | [
"January",
"November",
"March",
"July"
] | July | Answer the following multiple-choice question.
Question: In southern Africa we are more likely to see snow in
Options:
A. January
B. November
C. March
D. July
Which option is correct and why? | The correct answer is: July. | D |
The dust bowl happened because of | [
"two football teams",
"bowling pins",
"sweeping reform",
"unsustainable farming practice"
] | unsustainable farming practice | Answer the following multiple-choice question.
Question: The dust bowl happened because of
Options:
A. two football teams
B. bowling pins
C. sweeping reform
D. unsustainable farming practice
Which option is correct and why? | The correct answer is: unsustainable farming practice. | D |
Applying a force in the same direction an object is moving will cause what? | [
"slower rotational speed",
"deadly and devastating",
"greater potential energy",
"depress neuronal excitability",
"heat is produced",
"reduced momentum",
"by making heat",
"Increase in kinetic energy"
] | Increase in kinetic energy | Answer the following multiple-choice question.
Question: Applying a force in the same direction an object is moving will cause what?
Options:
A. slower rotational speed
B. deadly and devastating
C. greater potential energy
D. depress neuronal excitability
E. heat is produced
F. reduced momentum
G. by making heat
H. Increase in kinetic energy
Which option is correct and why? | The correct answer is: Increase in kinetic energy. | A |
Liquids with strong intermolecular forces have higher what than liquids with weaker forces? | [
"freezing point",
"surface tension",
"temperature",
"melting point"
] | surface tension | Answer the following multiple-choice question.
Question: Liquids with strong intermolecular forces have higher what than liquids with weaker forces?
Options:
A. freezing point
B. surface tension
C. temperature
D. melting point
Which option is correct and why? | The correct answer is: surface tension. | B |
Farsightedness, or hyperopia, is the condition in which distant objects are seen clearly, but nearby objects are? | [
"darker",
"invisible",
"inverted",
"blurry"
] | blurry | Answer the following multiple-choice question.
Question: Farsightedness, or hyperopia, is the condition in which distant objects are seen clearly, but nearby objects are?
Options:
A. darker
B. invisible
C. inverted
D. blurry
Which option is correct and why? | The correct answer is: blurry. | D |
A seismometer will be able to tell how much this was quaking: | [
"tree",
"bird",
"shoe",
"bed"
] | tree | Answer the following multiple-choice question.
Question: A seismometer will be able to tell how much this was quaking:
Options:
A. tree
B. bird
C. shoe
D. bed
Which option is correct and why? | The correct answer is: tree. | A |
An electric stove transforms electrical energy into what? | [
"friction",
"warmth",
"boiling",
"waves",
"photons",
"engines",
"Light",
"food"
] | friction | Answer the following multiple-choice question.
Question: An electric stove transforms electrical energy into what?
Options:
A. friction
B. warmth
C. boiling
D. waves
E. photons
F. engines
G. Light
H. food
Which option is correct and why? | The correct answer is: friction. | A |
Active immunity results when an immune response to a pathogen produces the basis of what? | [
"immunological memory",
"failed memories",
"resistance",
"broken memory",
"major threat to health",
"resistance activities",
"Leptospirosis",
"sad memories"
] | immunological memory | Answer the following multiple-choice question.
Question: Active immunity results when an immune response to a pathogen produces the basis of what?
Options:
A. immunological memory
B. failed memories
C. resistance
D. broken memory
E. major threat to health
F. resistance activities
G. Leptospirosis
H. sad memories
Which option is correct and why? | The correct answer is: immunological memory. | A |
adding a direct flame to container of acid causes a | [
"dormant cycle",
"lot of nothing",
"lower temperature",
"vapor expulsion"
] | vapor expulsion | Answer the following multiple-choice question.
Question: adding a direct flame to container of acid causes a
Options:
A. dormant cycle
B. lot of nothing
C. lower temperature
D. vapor expulsion
Which option is correct and why? | The correct answer is: vapor expulsion. | D |
Why do plants need food? | [
"to run from predators",
"for shelter",
"organic molecules",
"to die",
"hydrate their cells",
"genetic diversity",
"to stay warm",
"to grow and thrive"
] | to grow and thrive | Answer the following multiple-choice question.
Question: Why do plants need food?
Options:
A. to run from predators
B. for shelter
C. organic molecules
D. to die
E. hydrate their cells
F. genetic diversity
G. to stay warm
H. to grow and thrive
Which option is correct and why? | The correct answer is: to grow and thrive. | A |
A wire can be caused to heat up when what kind of current flows through it? | [
"wind",
"rocky",
"water",
"zapping power"
] | zapping power | Answer the following multiple-choice question.
Question: A wire can be caused to heat up when what kind of current flows through it?
Options:
A. wind
B. rocky
C. water
D. zapping power
Which option is correct and why? | The correct answer is: zapping power. | D |
Active and passive forms of what enable the body to resist damage from pathogens? | [
"stem cells",
"potential",
"autonomy",
"immunity"
] | immunity | Answer the following multiple-choice question.
Question: Active and passive forms of what enable the body to resist damage from pathogens?
Options:
A. stem cells
B. potential
C. autonomy
D. immunity
Which option is correct and why? | The correct answer is: immunity. | D |
An example of an electric insulator could be | [
"magic",
"orange juice",
"tupperware",
"milk"
] | tupperware | Answer the following multiple-choice question.
Question: An example of an electric insulator could be
Options:
A. magic
B. orange juice
C. tupperware
D. milk
Which option is correct and why? | The correct answer is: tupperware. | C |
A producer makes its own: | [
"sustenance",
"air",
"shelter",
"body"
] | sustenance | Answer the following multiple-choice question.
Question: A producer makes its own:
Options:
A. sustenance
B. air
C. shelter
D. body
Which option is correct and why? | The correct answer is: sustenance. | A |
What human disease is caused by a defective enzyme that is unable to produce melanin, the pigment responsible for the color of skin and hair? | [
"hemophilia",
"albinism",
"mutations",
"anemia"
] | albinism | Answer the following multiple-choice question.
Question: What human disease is caused by a defective enzyme that is unable to produce melanin, the pigment responsible for the color of skin and hair?
Options:
A. hemophilia
B. albinism
C. mutations
D. anemia
Which option is correct and why? | The correct answer is: albinism. | B |
Where are sponges most likely anchored to? | [
"reef or rock",
"beaches",
"sand",
"sea floor"
] | reef or rock | Answer the following multiple-choice question.
Question: Where are sponges most likely anchored to?
Options:
A. reef or rock
B. beaches
C. sand
D. sea floor
Which option is correct and why? | The correct answer is: reef or rock. | A |
Olfaction refers to which of the five senses? | [
"taste",
"sight",
"touch",
"smell"
] | smell | Answer the following multiple-choice question.
Question: Olfaction refers to which of the five senses?
Options:
A. taste
B. sight
C. touch
D. smell
Which option is correct and why? | The correct answer is: smell. | D |
What do plants do from a void of moisture in the air? | [
"They may not survive.",
"Wither and die",
"live",
"Dehydration",
"work",
"hydrate their cells",
"protect them",
"Grow"
] | Wither and die | Answer the following multiple-choice question.
Question: What do plants do from a void of moisture in the air?
Options:
A. They may not survive.
B. Wither and die
C. live
D. Dehydration
E. work
F. hydrate their cells
G. protect them
H. Grow
Which option is correct and why? | The correct answer is: Wither and die. | B |
Which requires an outlet? | [
"cold iced tea",
"usb tape player",
"frothy beer",
"blowing leaves"
] | usb tape player | Answer the following multiple-choice question.
Question: Which requires an outlet?
Options:
A. cold iced tea
B. usb tape player
C. frothy beer
D. blowing leaves
Which option is correct and why? | The correct answer is: usb tape player. | B |
What kills bacteria? | [
"rays or beams",
"Plasma cells",
"Cooking",
"an electric stove",
"Petri dish",
"deal",
"phlange",
"evaporation"
] | Plasma cells | Answer the following multiple-choice question.
Question: What kills bacteria?
Options:
A. rays or beams
B. Plasma cells
C. Cooking
D. an electric stove
E. Petri dish
F. deal
G. phlange
H. evaporation
Which option is correct and why? | The correct answer is: Plasma cells. | B |
What distant and extraordinarily energetic objects now seem to be early stages of galactic evolution with a supermassive black-hole-devouring material? | [
"pulsars",
"stars",
"neutrinos",
"quasars"
] | quasars | Answer the following multiple-choice question.
Question: What distant and extraordinarily energetic objects now seem to be early stages of galactic evolution with a supermassive black-hole-devouring material?
Options:
A. pulsars
B. stars
C. neutrinos
D. quasars
Which option is correct and why? | The correct answer is: quasars. | D |
Newton realized that the nature of gravity on earth that pulls an apple to the ground could explain the motion of these? | [
"moon and planets",
"molecules",
"atoms and quarks",
"seasons"
] | moon and planets | Answer the following multiple-choice question.
Question: Newton realized that the nature of gravity on earth that pulls an apple to the ground could explain the motion of these?
Options:
A. moon and planets
B. molecules
C. atoms and quarks
D. seasons
Which option is correct and why? | The correct answer is: moon and planets. | A |
What part of a car easily changes shape from smooth to compacted by physical force? | [
"rock",
"arteries",
"fender-bender",
"an object",
"bumper",
"wreck",
"Gravity",
"sedan"
] | bumper | Answer the following multiple-choice question.
Question: What part of a car easily changes shape from smooth to compacted by physical force?
Options:
A. rock
B. arteries
C. fender-bender
D. an object
E. bumper
F. wreck
G. Gravity
H. sedan
Which option is correct and why? | The correct answer is: bumper. | E |
What do you call the entire range of wavelengths of electromagnetic waves? | [
"molecular spectrum",
"electric spectrum",
"electromagnetic spectrum",
"gaseous spectrum"
] | electromagnetic spectrum | Answer the following multiple-choice question.
Question: What do you call the entire range of wavelengths of electromagnetic waves?
Options:
A. molecular spectrum
B. electric spectrum
C. electromagnetic spectrum
D. gaseous spectrum
Which option is correct and why? | The correct answer is: electromagnetic spectrum. | C |
How is eye color in humans determined? | [
"by the father",
"multiple genes",
"random chance",
"temperature of the womb"
] | multiple genes | Answer the following multiple-choice question.
Question: How is eye color in humans determined?
Options:
A. by the father
B. multiple genes
C. random chance
D. temperature of the womb
Which option is correct and why? | The correct answer is: multiple genes. | B |
How many sets of chromosomes does each somatic cell have? | [
"four",
"one",
"six",
"two"
] | two | Answer the following multiple-choice question.
Question: How many sets of chromosomes does each somatic cell have?
Options:
A. four
B. one
C. six
D. two
Which option is correct and why? | The correct answer is: two. | D |
Nitrogen is an important macronutrient because it is part of nucleic acids and proteins. atmospheric nitrogen, which is the diatomic molecule n2, or dinitrogen, is the largest pool of nitrogen in these? | [
"desert biomes",
"terrestrial ecosystems",
"aquatic ecosytems",
"gas planets"
] | terrestrial ecosystems | Answer the following multiple-choice question.
Question: Nitrogen is an important macronutrient because it is part of nucleic acids and proteins. atmospheric nitrogen, which is the diatomic molecule n2, or dinitrogen, is the largest pool of nitrogen in these?
Options:
A. desert biomes
B. terrestrial ecosystems
C. aquatic ecosytems
D. gas planets
Which option is correct and why? | The correct answer is: terrestrial ecosystems. | B |
what contains chemical elements that are essential for body processes? | [
"weathering",
"copper",
"eggs",
"density",
"apples",
"food",
"sound waves",
"fungi"
] | eggs | Answer the following multiple-choice question.
Question: what contains chemical elements that are essential for body processes?
Options:
A. weathering
B. copper
C. eggs
D. density
E. apples
F. food
G. sound waves
H. fungi
Which option is correct and why? | The correct answer is: eggs. | C |
When someone falls, the kinetic energy the person has upon reaching the floor is the amount of what energy lost by falling through height? | [
"gravitational energy",
"thermal energy",
"nuclear energy",
"potential energy"
] | potential energy | Answer the following multiple-choice question.
Question: When someone falls, the kinetic energy the person has upon reaching the floor is the amount of what energy lost by falling through height?
Options:
A. gravitational energy
B. thermal energy
C. nuclear energy
D. potential energy
Which option is correct and why? | The correct answer is: potential energy. | D |
Desert plants have evolved processes to conserve water and deal with harsh conditions. a more efficient use of co2 allows plants to adapt to living with what? | [
"more water",
"less water",
"more sunlight",
"less competition"
] | less water | Answer the following multiple-choice question.
Question: Desert plants have evolved processes to conserve water and deal with harsh conditions. a more efficient use of co2 allows plants to adapt to living with what?
Options:
A. more water
B. less water
C. more sunlight
D. less competition
Which option is correct and why? | The correct answer is: less water. | B |
Decayed vegetation turns to what over a period of time? | [
"growth",
"death",
"peat",
"vines",
"water",
"coal",
"flora",
"potash"
] | peat | Answer the following multiple-choice question.
Question: Decayed vegetation turns to what over a period of time?
Options:
A. growth
B. death
C. peat
D. vines
E. water
F. coal
G. flora
H. potash
Which option is correct and why? | The correct answer is: peat. | C |
Very large stars eventually become what extremely dense space regions, which are so dense that no light can escape from them? | [
"dark matter",
"moons",
"black holes",
"worm holes"
] | black holes | Answer the following multiple-choice question.
Question: Very large stars eventually become what extremely dense space regions, which are so dense that no light can escape from them?
Options:
A. dark matter
B. moons
C. black holes
D. worm holes
Which option is correct and why? | The correct answer is: black holes. | C |
The more that worms make their way through compost, the more | [
"bees in skies",
"vitamins in dirt",
"trees in fields",
"snakes on planes"
] | vitamins in dirt | Answer the following multiple-choice question.
Question: The more that worms make their way through compost, the more
Options:
A. bees in skies
B. vitamins in dirt
C. trees in fields
D. snakes on planes
Which option is correct and why? | The correct answer is: vitamins in dirt. | B |
What can be combined with an amine to form an amide? | [
"acetic acid",
"carbon dioxide",
"carboxylic acid",
"ketones"
] | carboxylic acid | Answer the following multiple-choice question.
Question: What can be combined with an amine to form an amide?
Options:
A. acetic acid
B. carbon dioxide
C. carboxylic acid
D. ketones
Which option is correct and why? | The correct answer is: carboxylic acid. | C |
What is the term for animals that cannot raise their body temperature on their own? | [
"catabolic",
"warm-blooded",
"ectothermic",
"endothermic"
] | ectothermic | Answer the following multiple-choice question.
Question: What is the term for animals that cannot raise their body temperature on their own?
Options:
A. catabolic
B. warm-blooded
C. ectothermic
D. endothermic
Which option is correct and why? | The correct answer is: ectothermic. | C |
What is the term for behaviors that are closely controlled by genes with little or no environmental influence? | [
"observational behaviors",
"reflex behaviors",
"learned behavior",
"innate behaviors"
] | innate behaviors | Answer the following multiple-choice question.
Question: What is the term for behaviors that are closely controlled by genes with little or no environmental influence?
Options:
A. observational behaviors
B. reflex behaviors
C. learned behavior
D. innate behaviors
Which option is correct and why? | The correct answer is: innate behaviors. | D |
How do you increase the burn rate? | [
"an electric stove",
"exercise",
"burn wet materials",
"friction",
"add more oxygen",
"decrease amount of fuel",
"a hydraulic system",
"decrease the oxygen"
] | add more oxygen | Answer the following multiple-choice question.
Question: How do you increase the burn rate?
Options:
A. an electric stove
B. exercise
C. burn wet materials
D. friction
E. add more oxygen
F. decrease amount of fuel
G. a hydraulic system
H. decrease the oxygen
Which option is correct and why? | The correct answer is: add more oxygen. | E |
The same reaction regenerates pyruvate, which is transported to which cells? | [
"symbionts",
"outermost",
"mesophyll",
"skin"
] | mesophyll | Answer the following multiple-choice question.
Question: The same reaction regenerates pyruvate, which is transported to which cells?
Options:
A. symbionts
B. outermost
C. mesophyll
D. skin
Which option is correct and why? | The correct answer is: mesophyll. | C |
Streamlines are smooth and continuous when flow is laminar, but break up and mix when flow is what? | [
"slow",
"turbulent",
"atmospheric",
"volcanic"
] | turbulent | Answer the following multiple-choice question.
Question: Streamlines are smooth and continuous when flow is laminar, but break up and mix when flow is what?
Options:
A. slow
B. turbulent
C. atmospheric
D. volcanic
Which option is correct and why? | The correct answer is: turbulent. | B |
What term describes the number of items in a given area or volume? | [
"fraction",
"density",
"concentration",
"alkalinity"
] | concentration | Answer the following multiple-choice question.
Question: What term describes the number of items in a given area or volume?
Options:
A. fraction
B. density
C. concentration
D. alkalinity
Which option is correct and why? | The correct answer is: concentration. | C |
Patients with familial hypercholesterolemia have life-threatening levels of cholesterol because their cells cannot clear what particles from their blood? | [
"iron (Fe)",
"low-density lipoprotein (ldl)",
"oxygen (O)",
"high - density lipoprotein (hdl)"
] | low-density lipoprotein (ldl) | Answer the following multiple-choice question.
Question: Patients with familial hypercholesterolemia have life-threatening levels of cholesterol because their cells cannot clear what particles from their blood?
Options:
A. iron (Fe)
B. low-density lipoprotein (ldl)
C. oxygen (O)
D. high - density lipoprotein (hdl)
Which option is correct and why? | The correct answer is: low-density lipoprotein (ldl). | B |
In physics, work means the use of what to move an object? | [
"leverage",
"mass",
"force",
"energy"
] | force | Answer the following multiple-choice question.
Question: In physics, work means the use of what to move an object?
Options:
A. leverage
B. mass
C. force
D. energy
Which option is correct and why? | The correct answer is: force. | C |
Which phylum is made up of segmented worms such as earthworms? | [
"annelida",
"nematoda",
"chordata",
"arthropod"
] | annelida | Answer the following multiple-choice question.
Question: Which phylum is made up of segmented worms such as earthworms?
Options:
A. annelida
B. nematoda
C. chordata
D. arthropod
Which option is correct and why? | The correct answer is: annelida. | A |
What can cause landslides? | [
"The flow of water",
"loose soil",
"Drought",
"deforestation",
"Adequate subsurface drainage",
"mouth of rivers",
"Physical weathering",
"Lack of rain"
] | The flow of water | Answer the following multiple-choice question.
Question: What can cause landslides?
Options:
A. The flow of water
B. loose soil
C. Drought
D. deforestation
E. Adequate subsurface drainage
F. mouth of rivers
G. Physical weathering
H. Lack of rain
Which option is correct and why? | The correct answer is: The flow of water. | A |
Stars that have mass larger than 25 solar masses can form what? | [
"moons",
"power stations",
"black holes",
"an object",
"suns",
"planets",
"scattered light",
"heat energy"
] | black holes | Answer the following multiple-choice question.
Question: Stars that have mass larger than 25 solar masses can form what?
Options:
A. moons
B. power stations
C. black holes
D. an object
E. suns
F. planets
G. scattered light
H. heat energy
Which option is correct and why? | The correct answer is: black holes. | C |
When plants lose their leaves in the fall, what chemical is produced less to cause the change? | [
"carbonate",
"oxygen",
"pheromes",
"chlorophyll"
] | chlorophyll | Answer the following multiple-choice question.
Question: When plants lose their leaves in the fall, what chemical is produced less to cause the change?
Options:
A. carbonate
B. oxygen
C. pheromes
D. chlorophyll
Which option is correct and why? | The correct answer is: chlorophyll. | D |
pollutants have a negative impact on all what | [
"tractors",
"circulatory systems",
"near the shoreline",
"living things",
"Electrical energy",
"pavement",
"potholes",
"important habitats"
] | living things | Answer the following multiple-choice question.
Question: pollutants have a negative impact on all what
Options:
A. tractors
B. circulatory systems
C. near the shoreline
D. living things
E. Electrical energy
F. pavement
G. potholes
H. important habitats
Which option is correct and why? | The correct answer is: living things. | D |
What property is defined as the magnitude or size of displacement between two positions? | [
"Distance",
"passing",
"gravity",
"distance"
] | distance | Answer the following multiple-choice question.
Question: What property is defined as the magnitude or size of displacement between two positions?
Options:
A. Distance
B. passing
C. gravity
D. distance
Which option is correct and why? | The correct answer is: distance. | A |
What type of orbit do the planets make in the solar system? | [
"vertical",
"elliptical",
"figure eight",
"conical"
] | elliptical | Answer the following multiple-choice question.
Question: What type of orbit do the planets make in the solar system?
Options:
A. vertical
B. elliptical
C. figure eight
D. conical
Which option is correct and why? | The correct answer is: elliptical. | B |
Weathering is the eventual reason that | [
"ferns can have sustenance",
"lighthouse make visible light",
"dogs always eat homework",
"cats can hunt prey"
] | ferns can have sustenance | Answer the following multiple-choice question.
Question: Weathering is the eventual reason that
Options:
A. ferns can have sustenance
B. lighthouse make visible light
C. dogs always eat homework
D. cats can hunt prey
Which option is correct and why? | The correct answer is: ferns can have sustenance. | A |
The two main agents of soil erosion are water and what else? | [
"glaciers",
"humidity",
"wind",
"steam"
] | wind | Answer the following multiple-choice question.
Question: The two main agents of soil erosion are water and what else?
Options:
A. glaciers
B. humidity
C. wind
D. steam
Which option is correct and why? | The correct answer is: wind. | C |
An element is defined by the number of ____ it contains? | [
"particles",
"electrons",
"protons",
"neutrons"
] | protons | Answer the following multiple-choice question.
Question: An element is defined by the number of ____ it contains?
Options:
A. particles
B. electrons
C. protons
D. neutrons
Which option is correct and why? | The correct answer is: protons. | C |
In machines that increase force, such as ramps and doorknobs and nutcrackers, what is the relation between output and input force? | [
"output is smaller",
"output is greater",
"drop is greater",
"input is greater"
] | output is greater | Answer the following multiple-choice question.
Question: In machines that increase force, such as ramps and doorknobs and nutcrackers, what is the relation between output and input force?
Options:
A. output is smaller
B. output is greater
C. drop is greater
D. input is greater
Which option is correct and why? | The correct answer is: output is greater. | B |
A mammal that reproduces by laying eggs is called what? | [
"mammal",
"monotreme",
"maidenhair",
"cactaceae"
] | monotreme | Answer the following multiple-choice question.
Question: A mammal that reproduces by laying eggs is called what?
Options:
A. mammal
B. monotreme
C. maidenhair
D. cactaceae
Which option is correct and why? | The correct answer is: monotreme. | B |
What do frogs breathe with when they are adults? | [
"skin",
"fins",
"lungs",
"oxygen",
"gills",
"air",
"Energy",
"Gases"
] | lungs | Answer the following multiple-choice question.
Question: What do frogs breathe with when they are adults?
Options:
A. skin
B. fins
C. lungs
D. oxygen
E. gills
F. air
G. Energy
H. Gases
Which option is correct and why? | The correct answer is: lungs. | C |
what cannot survive without oxygen? | [
"animals",
"tanks",
"an organism's body",
"living things",
"hydrogen",
"space",
"Veins and arteries.",
"mammals"
] | living things | Answer the following multiple-choice question.
Question: what cannot survive without oxygen?
Options:
A. animals
B. tanks
C. an organism's body
D. living things
E. hydrogen
F. space
G. Veins and arteries.
H. mammals
Which option is correct and why? | The correct answer is: living things. | D |
What type of matter transmits light without scattering it? | [
"bioluminescent",
"transparent",
"clean",
"translucent"
] | transparent | Answer the following multiple-choice question.
Question: What type of matter transmits light without scattering it?
Options:
A. bioluminescent
B. transparent
C. clean
D. translucent
Which option is correct and why? | The correct answer is: transparent. | B |
condensing means the opposite change of state to what? | [
"Dilution",
"water",
"heat",
"sweating",
"less water",
"boiling",
"melting",
"freezing"
] | boiling | Answer the following multiple-choice question.
Question: condensing means the opposite change of state to what?
Options:
A. Dilution
B. water
C. heat
D. sweating
E. less water
F. boiling
G. melting
H. freezing
Which option is correct and why? | The correct answer is: boiling. | A |
an inherited characteristic found on all mammals is | [
"nails",
"teeth",
"shoes",
"fur"
] | fur | Answer the following multiple-choice question.
Question: an inherited characteristic found on all mammals is
Options:
A. nails
B. teeth
C. shoes
D. fur
Which option is correct and why? | The correct answer is: fur. | D |
Leaving your garage door open during a storm poses the risk of having animals going in due to them needing what | [
"some shoes",
"death",
"some shelter",
"some candy"
] | some shelter | Answer the following multiple-choice question.
Question: Leaving your garage door open during a storm poses the risk of having animals going in due to them needing what
Options:
A. some shoes
B. death
C. some shelter
D. some candy
Which option is correct and why? | The correct answer is: some shelter. | C |
clear weather leads to what conditions | [
"rest",
"life",
"dry",
"windy",
"wet",
"H20",
"cold",
"good"
] | dry | Answer the following multiple-choice question.
Question: clear weather leads to what conditions
Options:
A. rest
B. life
C. dry
D. windy
E. wet
F. H20
G. cold
H. good
Which option is correct and why? | The correct answer is: dry. | C |
O2 molecules stacked on top of each other create weight which is then tallied by a | [
"speedometer",
"odometer",
"barometer",
"a microscope"
] | barometer | Answer the following multiple-choice question.
Question: O2 molecules stacked on top of each other create weight which is then tallied by a
Options:
A. speedometer
B. odometer
C. barometer
D. a microscope
Which option is correct and why? | The correct answer is: barometer. | C |
What are antigens also? | [
"resistance",
"negative",
"humans",
"positive",
"pathogens",
"more abundant",
"complex",
"Allergies"
] | pathogens | Answer the following multiple-choice question.
Question: What are antigens also?
Options:
A. resistance
B. negative
C. humans
D. positive
E. pathogens
F. more abundant
G. complex
H. Allergies
Which option is correct and why? | The correct answer is: pathogens. | E |
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