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
What planet has the most volcanoes?
[ "venus", "Mars", "Earth", "uranus" ]
venus
Answer the following multiple-choice question. Question: What planet has the most volcanoes? Options: A. venus B. Mars C. Earth D. uranus Which option is correct and why?
The correct answer is: venus.
A
Weathering means eroding rocks down into what pieces of minerals?
[ "similar", "sand", "small", "soils", "smaller", "larger", "calcite", "bigger" ]
smaller
Answer the following multiple-choice question. Question: Weathering means eroding rocks down into what pieces of minerals? Options: A. similar B. sand C. small D. soils E. smaller F. larger G. calcite H. bigger Which option is correct and why?
The correct answer is: smaller.
E
Xenons use current to produce light as well as
[ "rainbows", "thermal exchange", "darkness", "heat sinks" ]
thermal exchange
Answer the following multiple-choice question. Question: Xenons use current to produce light as well as Options: A. rainbows B. thermal exchange C. darkness D. heat sinks Which option is correct and why?
The correct answer is: thermal exchange.
B
In classical conditioning, a response called the conditioned response is associated with what?
[ "unconditioned stimulus", "external inhibition", "conditioned stimulus", "blocking effect" ]
conditioned stimulus
Answer the following multiple-choice question. Question: In classical conditioning, a response called the conditioned response is associated with what? Options: A. unconditioned stimulus B. external inhibition C. conditioned stimulus D. blocking effect Which option is correct and why?
The correct answer is: conditioned stimulus.
C
What can slow the transfer of heat?
[ "engines", "forces", "keratin", "Glass", "muscles", "fur", "oil", "sweat" ]
Glass
Answer the following multiple-choice question. Question: What can slow the transfer of heat? Options: A. engines B. forces C. keratin D. Glass E. muscles F. fur G. oil H. sweat Which option is correct and why?
The correct answer is: Glass.
D
What is The Euphrates larger than?
[ "ocean", "planet", "trees", "sea", "Inches", "Sediment", "stream", "Length" ]
stream
Answer the following multiple-choice question. Question: What is The Euphrates larger than? Options: A. ocean B. planet C. trees D. sea E. Inches F. Sediment G. stream H. Length Which option is correct and why?
The correct answer is: stream.
A
What allows for a large and mature fetus before birth, resulting from a long period of fetal growth in the uterus?
[ "the ovaries", "the cervix", "the vagina", "the placenta" ]
the placenta
Answer the following multiple-choice question. Question: What allows for a large and mature fetus before birth, resulting from a long period of fetal growth in the uterus? Options: A. the ovaries B. the cervix C. the vagina D. the placenta Which option is correct and why?
The correct answer is: the placenta.
D
What can can cause an increase in the temperature of the lower atmosphere?
[ "solar flares", "burning fossil fuels", "gas expanding", "Dehydration", "Warm air moving into cold air", "radio waves", "Greenhouse gasses", "Greenhouse gases" ]
burning fossil fuels
Answer the following multiple-choice question. Question: What can can cause an increase in the temperature of the lower atmosphere? Options: A. solar flares B. burning fossil fuels C. gas expanding D. Dehydration E. Warm air moving into cold air F. radio waves G. Greenhouse gasses H. Greenhouse gases Which option is correct and why?
The correct answer is: burning fossil fuels.
B
what adults have radial symmetry?
[ "sea urchins", "graptolites", "humans", "fur seals", "barnacles", "insects", "h2o", "gastropod shells" ]
sea urchins
Answer the following multiple-choice question. Question: what adults have radial symmetry? Options: A. sea urchins B. graptolites C. humans D. fur seals E. barnacles F. insects G. h2o H. gastropod shells Which option is correct and why?
The correct answer is: sea urchins.
A
Animal-like protists are called what?
[ "protozoa", "genus", "larvae", "bacteria" ]
protozoa
Answer the following multiple-choice question. Question: Animal-like protists are called what? Options: A. protozoa B. genus C. larvae D. bacteria Which option is correct and why?
The correct answer is: protozoa.
A
If an area of land is sloped to the right and a body of water is on that slope, then the river will flow
[ "pollution", "to the right", "species", "to the left" ]
to the right
Answer the following multiple-choice question. Question: If an area of land is sloped to the right and a body of water is on that slope, then the river will flow Options: A. pollution B. to the right C. species D. to the left Which option is correct and why?
The correct answer is: to the right.
B
Flowing water can slowly _ carbon in limestone.
[ "alter", "destroy", "erode", "allow growth", "dissolve", "heat", "a solute", "rain" ]
dissolve
Answer the following multiple-choice question. Question: Flowing water can slowly _ carbon in limestone. Options: A. alter B. destroy C. erode D. allow growth E. dissolve F. heat G. a solute H. rain Which option is correct and why?
The correct answer is: dissolve.
E
How many times per 365.3 days does an equinox occur?
[ "3", "1", "2", "4" ]
2
Answer the following multiple-choice question. Question: How many times per 365.3 days does an equinox occur? Options: A. 3 B. 1 C. 2 D. 4 Which option is correct and why?
The correct answer is: 2.
C
What regulates homeostasis and basic survival behaviors?
[ "cell membrane", "mitosis", "hippocampus", "hypothalamus" ]
hypothalamus
Answer the following multiple-choice question. Question: What regulates homeostasis and basic survival behaviors? Options: A. cell membrane B. mitosis C. hippocampus D. hypothalamus Which option is correct and why?
The correct answer is: hypothalamus.
D
Having what things has a positive impact on an organism 's health?
[ "edible", "Energy.", "exercise", "Cooking", "nutrients", "Proteins", "oysters", "Energy" ]
edible
Answer the following multiple-choice question. Question: Having what things has a positive impact on an organism 's health? Options: A. edible B. Energy. C. exercise D. Cooking E. nutrients F. Proteins G. oysters H. Energy Which option is correct and why?
The correct answer is: edible.
A
What studies how animals behave in their natural environment?
[ "resistance activities", "that material's properties", "it keeps an organism warm", "A computer", "it's state", "behavioral studies", "electromagnetic energy", "by making heat" ]
behavioral studies
Answer the following multiple-choice question. Question: What studies how animals behave in their natural environment? Options: A. resistance activities B. that material's properties C. it keeps an organism warm D. A computer E. it's state F. behavioral studies G. electromagnetic energy H. by making heat Which option is correct and why?
The correct answer is: behavioral studies.
A
What bone forms the upper jaw and supports the upper teeth?
[ "subaerial bone", "orbital bone", "maxillary bone", "tibular bone" ]
maxillary bone
Answer the following multiple-choice question. Question: What bone forms the upper jaw and supports the upper teeth? Options: A. subaerial bone B. orbital bone C. maxillary bone D. tibular bone Which option is correct and why?
The correct answer is: maxillary bone.
C
What happens when an increase in temperature of a gas in a rigid container happens?
[ "gas explodes", "container shrinks", "pressure increases", "pressure decreases" ]
pressure increases
Answer the following multiple-choice question. Question: What happens when an increase in temperature of a gas in a rigid container happens? Options: A. gas explodes B. container shrinks C. pressure increases D. pressure decreases Which option is correct and why?
The correct answer is: pressure increases.
C
What is the term for something in the environment that causes a reaction in an organism?
[ "crisis", "stimulus", "climate", "pollution" ]
stimulus
Answer the following multiple-choice question. Question: What is the term for something in the environment that causes a reaction in an organism? Options: A. crisis B. stimulus C. climate D. pollution Which option is correct and why?
The correct answer is: stimulus.
B
What is the term for the movement of individuals out of a population?
[ "colonization", "immigration", "emigration", "succession" ]
emigration
Answer the following multiple-choice question. Question: What is the term for the movement of individuals out of a population? Options: A. colonization B. immigration C. emigration D. succession Which option is correct and why?
The correct answer is: emigration.
C
What causes loss of beaches?
[ "Pollution", "deforestation", "solar flares", "sunlight", "animal activity", "Physical weathering", "wind and rain", "flooding" ]
wind and rain
Answer the following multiple-choice question. Question: What causes loss of beaches? Options: A. Pollution B. deforestation C. solar flares D. sunlight E. animal activity F. Physical weathering G. wind and rain H. flooding Which option is correct and why?
The correct answer is: wind and rain.
A
Unlike CO2, oxygen is a waste product of
[ "the moon", "rocks", "cactus", "hair" ]
cactus
Answer the following multiple-choice question. Question: Unlike CO2, oxygen is a waste product of Options: A. the moon B. rocks C. cactus D. hair Which option is correct and why?
The correct answer is: cactus.
C
What scale measures the total energy released by an earthquake?
[ "moment magnitude scale", "direct magnitude scale", "moment identification scale", "moment radiation scale" ]
moment magnitude scale
Answer the following multiple-choice question. Question: What scale measures the total energy released by an earthquake? Options: A. moment magnitude scale B. direct magnitude scale C. moment identification scale D. moment radiation scale Which option is correct and why?
The correct answer is: moment magnitude scale.
A
Which two letters are most associated with painful, red flesh?
[ "O and A", "Q and P", "U and V", "F and J" ]
U and V
Answer the following multiple-choice question. Question: Which two letters are most associated with painful, red flesh? Options: A. O and A B. Q and P C. U and V D. F and J Which option is correct and why?
The correct answer is: U and V.
C
What are the "building blocks" of proteins?
[ "amino acids", "nucleic acids", "enzymes", "hormones" ]
amino acids
Answer the following multiple-choice question. Question: What are the "building blocks" of proteins? Options: A. amino acids B. nucleic acids C. enzymes D. hormones Which option is correct and why?
The correct answer is: amino acids.
A
An animal needs what for for growing and repairing?
[ "calories from sustenance", "warm water", "reproduction actions", "hunters ammo" ]
calories from sustenance
Answer the following multiple-choice question. Question: An animal needs what for for growing and repairing? Options: A. calories from sustenance B. warm water C. reproduction actions D. hunters ammo Which option is correct and why?
The correct answer is: calories from sustenance.
A
What do we call any way that animals act, either alone or with other animals.
[ "animal behavior", "animal communication", "animal habits", "typical behavior" ]
animal behavior
Answer the following multiple-choice question. Question: What do we call any way that animals act, either alone or with other animals. Options: A. animal behavior B. animal communication C. animal habits D. typical behavior Which option is correct and why?
The correct answer is: animal behavior.
A
What is the standard unit for mass?
[ "kilogram", "pound", "ounce", "meter" ]
kilogram
Answer the following multiple-choice question. Question: What is the standard unit for mass? Options: A. kilogram B. pound C. ounce D. meter Which option is correct and why?
The correct answer is: kilogram.
A
A piece of paper is a different shape when it
[ "is made into a paper fan", "is on a desk", "has a drawing on it", "has words on it" ]
is made into a paper fan
Answer the following multiple-choice question. Question: A piece of paper is a different shape when it Options: A. is made into a paper fan B. is on a desk C. has a drawing on it D. has words on it Which option is correct and why?
The correct answer is: is made into a paper fan.
A
What are membrane-bound organelles that can have secretory, excretory, and storage functions?
[ "vacuoles", "prokaryotes", "nuclei", "alleles" ]
vacuoles
Answer the following multiple-choice question. Question: What are membrane-bound organelles that can have secretory, excretory, and storage functions? Options: A. vacuoles B. prokaryotes C. nuclei D. alleles Which option is correct and why?
The correct answer is: vacuoles.
A
How did a vascular let plants grow?
[ "they could grow taller", "they could bear fruit", "they could reproduce", "they could conduct photosynthesis" ]
they could grow taller
Answer the following multiple-choice question. Question: How did a vascular let plants grow? Options: A. they could grow taller B. they could bear fruit C. they could reproduce D. they could conduct photosynthesis Which option is correct and why?
The correct answer is: they could grow taller.
A
What is just below the cerebrum and coordinates body movements?
[ "cerebellum", "spinal cord", "bloodstream", "hypothalamus" ]
cerebellum
Answer the following multiple-choice question. Question: What is just below the cerebrum and coordinates body movements? Options: A. cerebellum B. spinal cord C. bloodstream D. hypothalamus Which option is correct and why?
The correct answer is: cerebellum.
A
Asthma affects what tiny branches into which the bronchi are divided?
[ "macrophages", "cilia", "bronchioles", "platelets" ]
bronchioles
Answer the following multiple-choice question. Question: Asthma affects what tiny branches into which the bronchi are divided? Options: A. macrophages B. cilia C. bronchioles D. platelets Which option is correct and why?
The correct answer is: bronchioles.
C
Evaporation of sweat uses what from the body?
[ "expelled", "Positive charges", "all liquids", "properties", "Something to move", "water vapor", "kinetic energy", "Cooling vapors" ]
kinetic energy
Answer the following multiple-choice question. Question: Evaporation of sweat uses what from the body? Options: A. expelled B. Positive charges C. all liquids D. properties E. Something to move F. water vapor G. kinetic energy H. Cooling vapors Which option is correct and why?
The correct answer is: kinetic energy.
A
What is secreted by the cells surrounding spermatogonia to help sperm production?
[ "testosterone", "dihydrotestosterone", "estrogen", "follicle stimulating hormone" ]
testosterone
Answer the following multiple-choice question. Question: What is secreted by the cells surrounding spermatogonia to help sperm production? Options: A. testosterone B. dihydrotestosterone C. estrogen D. follicle stimulating hormone Which option is correct and why?
The correct answer is: testosterone.
A
What parts of the planet does solar energy have difficulty reaching?
[ "equators", "poles", "deserts", "oceans" ]
poles
Answer the following multiple-choice question. Question: What parts of the planet does solar energy have difficulty reaching? Options: A. equators B. poles C. deserts D. oceans Which option is correct and why?
The correct answer is: poles.
B
What type of electrons does carbon have?
[ "gradient", "ionic", "shell", "valence" ]
valence
Answer the following multiple-choice question. Question: What type of electrons does carbon have? Options: A. gradient B. ionic C. shell D. valence Which option is correct and why?
The correct answer is: valence.
D
During a vigorous workout which will need to increase?
[ "Balance", "Pulse", "Perspiration", "Strength" ]
Pulse
Answer the following multiple-choice question. Question: During a vigorous workout which will need to increase? Options: A. Balance B. Pulse C. Perspiration D. Strength Which option is correct and why?
The correct answer is: Pulse.
B
What control reproductive cycles, which are in turn regulated by environmental cues?
[ "brain waves", "nerve impulses", "enzymes", "hormones" ]
hormones
Answer the following multiple-choice question. Question: What control reproductive cycles, which are in turn regulated by environmental cues? Options: A. brain waves B. nerve impulses C. enzymes D. hormones Which option is correct and why?
The correct answer is: hormones.
D
The color of our eyes are permanent because eye color is fixed at birth due to
[ "shoes", "parent's DNA", "doctor", "corn" ]
parent's DNA
Answer the following multiple-choice question. Question: The color of our eyes are permanent because eye color is fixed at birth due to Options: A. shoes B. parent's DNA C. doctor D. corn Which option is correct and why?
The correct answer is: parent's DNA.
B
What can cause erosion of soil?
[ "snakes", "mines", "hurricanes", "light", "deforestation", "mouth of rivers", "space", "rainfall" ]
hurricanes
Answer the following multiple-choice question. Question: What can cause erosion of soil? Options: A. snakes B. mines C. hurricanes D. light E. deforestation F. mouth of rivers G. space H. rainfall Which option is correct and why?
The correct answer is: hurricanes.
C
Behaviors that occur naturally and are not learned are called what?
[ "intuitive", "innate", "acquired", "adaptive" ]
innate
Answer the following multiple-choice question. Question: Behaviors that occur naturally and are not learned are called what? Options: A. intuitive B. innate C. acquired D. adaptive Which option is correct and why?
The correct answer is: innate.
B
What can destroy cancer cells?
[ "massive damage", "Heart monitor", "antibodies", "rays or beams", "belt", "cancer", "Pollution", "adding heat" ]
antibodies
Answer the following multiple-choice question. Question: What can destroy cancer cells? Options: A. massive damage B. Heart monitor C. antibodies D. rays or beams E. belt F. cancer G. Pollution H. adding heat Which option is correct and why?
The correct answer is: antibodies.
C
what has secondary growth?
[ "viscosity", "plants", "oak", "density", "ferns", "primary", "trees", "leaves" ]
trees
Answer the following multiple-choice question. Question: what has secondary growth? Options: A. viscosity B. plants C. oak D. density E. ferns F. primary G. trees H. leaves Which option is correct and why?
The correct answer is: trees.
A
Via what process do substance move from one cell to another?
[ "reverse transferase", "autolysis", "downregulation", "plasmodesmata" ]
plasmodesmata
Answer the following multiple-choice question. Question: Via what process do substance move from one cell to another? Options: A. reverse transferase B. autolysis C. downregulation D. plasmodesmata Which option is correct and why?
The correct answer is: plasmodesmata.
D
Deposition is caused by what?
[ "venus wind", "forceful gales", "airplanes", "eroding mentalities" ]
forceful gales
Answer the following multiple-choice question. Question: Deposition is caused by what? Options: A. venus wind B. forceful gales C. airplanes D. eroding mentalities Which option is correct and why?
The correct answer is: forceful gales.
B
What of most species are resistant cells that can survive harsh conditions?
[ "subtypes", "phenotypes", "zygotes", "gonads" ]
zygotes
Answer the following multiple-choice question. Question: What of most species are resistant cells that can survive harsh conditions? Options: A. subtypes B. phenotypes C. zygotes D. gonads Which option is correct and why?
The correct answer is: zygotes.
C
Gasses from burning coal can lead to what?
[ "soil destruction", "nuclear power", "Electrical energy", "Pollution", "grass", "flow of electrons", "radio waves", "heat energy" ]
soil destruction
Answer the following multiple-choice question. Question: Gasses from burning coal can lead to what? Options: A. soil destruction B. nuclear power C. Electrical energy D. Pollution E. grass F. flow of electrons G. radio waves H. heat energy Which option is correct and why?
The correct answer is: soil destruction.
A
What celestial events are the source of elements heavier than iron?
[ "supernovas", "Space", "neutrons", "galaxies" ]
supernovas
Answer the following multiple-choice question. Question: What celestial events are the source of elements heavier than iron? Options: A. supernovas B. Space C. neutrons D. galaxies Which option is correct and why?
The correct answer is: supernovas.
A
Tests for levels of what in blood allow a diabetic patient to regulate how much insulin to administer?
[ "alcohol", "chloride", "glucose", "protein" ]
glucose
Answer the following multiple-choice question. Question: Tests for levels of what in blood allow a diabetic patient to regulate how much insulin to administer? Options: A. alcohol B. chloride C. glucose D. protein Which option is correct and why?
The correct answer is: glucose.
C
Transpiration is when _ moves from plants into the atmosphere
[ "boiling", "steam", "rain", "liquid", "energy", "cooled", "gas", "spring" ]
steam
Answer the following multiple-choice question. Question: Transpiration is when _ moves from plants into the atmosphere Options: A. boiling B. steam C. rain D. liquid E. energy F. cooled G. gas H. spring Which option is correct and why?
The correct answer is: steam.
B
December is in the summer in what
[ "the southern part of cities", "the northern part of Earth", "the southern part of the third rock", "the southern part of every rock" ]
the southern part of the third rock
Answer the following multiple-choice question. Question: December is in the summer in what Options: A. the southern part of cities B. the northern part of Earth C. the southern part of the third rock D. the southern part of every rock Which option is correct and why?
The correct answer is: the southern part of the third rock.
C
Where are the seeds in gymnosperms found?
[ "in leaves", "in roots", "in cones", "in folds" ]
in cones
Answer the following multiple-choice question. Question: Where are the seeds in gymnosperms found? Options: A. in leaves B. in roots C. in cones D. in folds Which option is correct and why?
The correct answer is: in cones.
C
What do prisms do to light?
[ "Lighten", "Darken", "Energize", "widen", "Bend", "adapt", "expand", "harm" ]
Bend
Answer the following multiple-choice question. Question: What do prisms do to light? Options: A. Lighten B. Darken C. Energize D. widen E. Bend F. adapt G. expand H. harm Which option is correct and why?
The correct answer is: Bend.
E
If someone hears a crunching sound while walking under a tree, which of these likely happened?
[ "dead leaves fell down", "a mouse ran away", "a duck started quacking", "a dog was barking" ]
dead leaves fell down
Answer the following multiple-choice question. Question: If someone hears a crunching sound while walking under a tree, which of these likely happened? Options: A. dead leaves fell down B. a mouse ran away C. a duck started quacking D. a dog was barking Which option is correct and why?
The correct answer is: dead leaves fell down.
A
Fruit-eating bats receive food from plants and, in return, help these plants by doing what?
[ "fertilizing them", "pollinating seeds", "spreading seeds", "protecting them" ]
spreading seeds
Answer the following multiple-choice question. Question: Fruit-eating bats receive food from plants and, in return, help these plants by doing what? Options: A. fertilizing them B. pollinating seeds C. spreading seeds D. protecting them Which option is correct and why?
The correct answer is: spreading seeds.
C
The wrist and base of the hand are formed by what series of small bones arranged in distal and proximal rows?
[ "carpal", "cranial", "ribs", "patella" ]
carpal
Answer the following multiple-choice question. Question: The wrist and base of the hand are formed by what series of small bones arranged in distal and proximal rows? Options: A. carpal B. cranial C. ribs D. patella Which option is correct and why?
The correct answer is: carpal.
A
What is made of gases that are essential for photosynthesis and other life activities?
[ "stratosphere", "atmosphere", "air", "ocean" ]
atmosphere
Answer the following multiple-choice question. Question: What is made of gases that are essential for photosynthesis and other life activities? Options: A. stratosphere B. atmosphere C. air D. ocean Which option is correct and why?
The correct answer is: atmosphere.
B
If someone wants to see the celestial bodies clearly they would use
[ "a freshly printed magazine", "a dirty old sneaker", "a paper towel tube", "a lengthened glass tube" ]
a lengthened glass tube
Answer the following multiple-choice question. Question: If someone wants to see the celestial bodies clearly they would use Options: A. a freshly printed magazine B. a dirty old sneaker C. a paper towel tube D. a lengthened glass tube Which option is correct and why?
The correct answer is: a lengthened glass tube.
D
What kind of cells divide out of control?
[ "bacteria", "parasites", "humans", "white blood", "blood", "stem cells", "dangerous", "cancer" ]
cancer
Answer the following multiple-choice question. Question: What kind of cells divide out of control? Options: A. bacteria B. parasites C. humans D. white blood E. blood F. stem cells G. dangerous H. cancer Which option is correct and why?
The correct answer is: cancer.
A
Microorganisms cause what inside of the cells of living organisms?
[ "heat", "harm them", "health", "worms", "illness", "resistance", "Allergies", "antibodies" ]
illness
Answer the following multiple-choice question. Question: Microorganisms cause what inside of the cells of living organisms? Options: A. heat B. harm them C. health D. worms E. illness F. resistance G. Allergies H. antibodies Which option is correct and why?
The correct answer is: illness.
E
the ring of fire is made up of
[ "kelp", "immersed lava vents", "marshmallows", "ice formations" ]
immersed lava vents
Answer the following multiple-choice question. Question: the ring of fire is made up of Options: A. kelp B. immersed lava vents C. marshmallows D. ice formations Which option is correct and why?
The correct answer is: immersed lava vents.
B
What describe the fraction or percentage of a mixture that is made up of a particular substance.
[ "atomic weight", "molecular scale", "mole fractions", "solute level" ]
mole fractions
Answer the following multiple-choice question. Question: What describe the fraction or percentage of a mixture that is made up of a particular substance. Options: A. atomic weight B. molecular scale C. mole fractions D. solute level Which option is correct and why?
The correct answer is: mole fractions.
C
Harmful instances of what can result in errors in protein sequence that yield non-functional proteins?
[ "radiation", "mutation", "infection", "bioaccumulation" ]
mutation
Answer the following multiple-choice question. Question: Harmful instances of what can result in errors in protein sequence that yield non-functional proteins? Options: A. radiation B. mutation C. infection D. bioaccumulation Which option is correct and why?
The correct answer is: mutation.
B
What have humans collected and grown as food for thousands of years?
[ "sunlight", "fungi", "plants", "rocks", "fungus", "salmon", "ferns", "poison" ]
fungi
Answer the following multiple-choice question. Question: What have humans collected and grown as food for thousands of years? Options: A. sunlight B. fungi C. plants D. rocks E. fungus F. salmon G. ferns H. poison Which option is correct and why?
The correct answer is: fungi.
B
Leaving coconut oil out on a counter, as the day grows hotter, what happens to the oil?
[ "changes from solid to wet", "it hardens up a lot", "it begins to rot", "it needs to be refrigerated" ]
changes from solid to wet
Answer the following multiple-choice question. Question: Leaving coconut oil out on a counter, as the day grows hotter, what happens to the oil? Options: A. changes from solid to wet B. it hardens up a lot C. it begins to rot D. it needs to be refrigerated Which option is correct and why?
The correct answer is: changes from solid to wet.
A
Human skin color is primarily due to the presence of what pigment in the skin?
[ "melatonin", "melanin", "cytoplasm", "tannin" ]
melanin
Answer the following multiple-choice question. Question: Human skin color is primarily due to the presence of what pigment in the skin? Options: A. melatonin B. melanin C. cytoplasm D. tannin Which option is correct and why?
The correct answer is: melanin.
B
What natural process allows water to return again to the earth’s surface?
[ "wind", "currents", "erosion", "precipitation" ]
precipitation
Answer the following multiple-choice question. Question: What natural process allows water to return again to the earth’s surface? Options: A. wind B. currents C. erosion D. precipitation Which option is correct and why?
The correct answer is: precipitation.
D
What do mollusks hearts circulate through the body?
[ "liquid", "Energy", "complex", "food", "water", "blood", "grass", "oxygen" ]
blood
Answer the following multiple-choice question. Question: What do mollusks hearts circulate through the body? Options: A. liquid B. Energy C. complex D. food E. water F. blood G. grass H. oxygen Which option is correct and why?
The correct answer is: blood.
A
Trash that gets into fresh and saltwater waterways is called what type of debris?
[ "pollution", "aquatic", "water", "ocean" ]
aquatic
Answer the following multiple-choice question. Question: Trash that gets into fresh and saltwater waterways is called what type of debris? Options: A. pollution B. aquatic C. water D. ocean Which option is correct and why?
The correct answer is: aquatic.
B
What begins when a neuron receives a chemical stimulus?
[ "a metabolism impulse", "a induce impulse", "a nerve impulse", "nerve reaction" ]
a nerve impulse
Answer the following multiple-choice question. Question: What begins when a neuron receives a chemical stimulus? Options: A. a metabolism impulse B. a induce impulse C. a nerve impulse D. nerve reaction Which option is correct and why?
The correct answer is: a nerve impulse.
C
Organisms tend to be larger in size at higher what levels?
[ "trophic", "benthic", "proteolytic", "Secondary Layer" ]
trophic
Answer the following multiple-choice question. Question: Organisms tend to be larger in size at higher what levels? Options: A. trophic B. benthic C. proteolytic D. Secondary Layer Which option is correct and why?
The correct answer is: trophic.
A
Which sustains life yet stopped growing?
[ "air", "a bush", "a rock", "a felled tree" ]
a felled tree
Answer the following multiple-choice question. Question: Which sustains life yet stopped growing? Options: A. air B. a bush C. a rock D. a felled tree Which option is correct and why?
The correct answer is: a felled tree.
D
Mitosis and meiosis are both forms of division of the nucleus in these?
[ "endogenous cells", "converts cells", "eukaryotic cells", "reproduction cells" ]
eukaryotic cells
Answer the following multiple-choice question. Question: Mitosis and meiosis are both forms of division of the nucleus in these? Options: A. endogenous cells B. converts cells C. eukaryotic cells D. reproduction cells Which option is correct and why?
The correct answer is: eukaryotic cells.
C
Soil is produced naturally when, over a period of many years
[ "stones are rock solid", "stones are blown up", "stones are vaporized by storms", "stones are worn down" ]
stones are worn down
Answer the following multiple-choice question. Question: Soil is produced naturally when, over a period of many years Options: A. stones are rock solid B. stones are blown up C. stones are vaporized by storms D. stones are worn down Which option is correct and why?
The correct answer is: stones are worn down.
D
What are the stuff of life?
[ "rocks", "food and shelter", "magic", "chromosomes", "fossil fuels", "insects", "animals", "emptiness" ]
chromosomes
Answer the following multiple-choice question. Question: What are the stuff of life? Options: A. rocks B. food and shelter C. magic D. chromosomes E. fossil fuels F. insects G. animals H. emptiness Which option is correct and why?
The correct answer is: chromosomes.
D
Where would the amount of water decrease most?
[ "under clear skies", "in the clouds", "during a storm", "indoors" ]
under clear skies
Answer the following multiple-choice question. Question: Where would the amount of water decrease most? Options: A. under clear skies B. in the clouds C. during a storm D. indoors Which option is correct and why?
The correct answer is: under clear skies.
A
What are the light wavelengths that the human eye can detect called?
[ "ultraviolet light", "apparent light", "visible light", "infrared light" ]
visible light
Answer the following multiple-choice question. Question: What are the light wavelengths that the human eye can detect called? Options: A. ultraviolet light B. apparent light C. visible light D. infrared light Which option is correct and why?
The correct answer is: visible light.
C
What are ionic compounds that produce hydroxide ions when dissolved in water?
[ "isotopes", "acids", "bases", "enzymes" ]
bases
Answer the following multiple-choice question. Question: What are ionic compounds that produce hydroxide ions when dissolved in water? Options: A. isotopes B. acids C. bases D. enzymes Which option is correct and why?
The correct answer is: bases.
C
behaviors increase through what that improve traits of animal's ability to survive
[ "competition", "hunting", "biological diversity", "the environment", "eating", "produce offspring", "natural selection", "grooming" ]
natural selection
Answer the following multiple-choice question. Question: behaviors increase through what that improve traits of animal's ability to survive Options: A. competition B. hunting C. biological diversity D. the environment E. eating F. produce offspring G. natural selection H. grooming Which option is correct and why?
The correct answer is: natural selection.
A
What causes natural ripening in fruit?
[ "sulfur", "acid", "ethylene", "chloride" ]
ethylene
Answer the following multiple-choice question. Question: What causes natural ripening in fruit? Options: A. sulfur B. acid C. ethylene D. chloride Which option is correct and why?
The correct answer is: ethylene.
C
In plants, a cell plate is formed during cell cytokinesis by golgi vesicles fusing at the what?
[ "tectonic plate", "metaphase plate", "mitosis plate", "chromosomes plate" ]
metaphase plate
Answer the following multiple-choice question. Question: In plants, a cell plate is formed during cell cytokinesis by golgi vesicles fusing at the what? Options: A. tectonic plate B. metaphase plate C. mitosis plate D. chromosomes plate Which option is correct and why?
The correct answer is: metaphase plate.
B
A wolf would eat
[ "an ibex", "a mountain", "a tree", "a cloud" ]
an ibex
Answer the following multiple-choice question. Question: A wolf would eat Options: A. an ibex B. a mountain C. a tree D. a cloud Which option is correct and why?
The correct answer is: an ibex.
A
What do all chemical reactions need to get started?
[ "potential energy", "expression energy", "activation energy", "kinetic energy" ]
activation energy
Answer the following multiple-choice question. Question: What do all chemical reactions need to get started? Options: A. potential energy B. expression energy C. activation energy D. kinetic energy Which option is correct and why?
The correct answer is: activation energy.
C
what requires rest?
[ "kinetic energy", "amphibians", "all animals", "watching tv", "oxygen", "most organisms", "Time and energy", "cell regeneration" ]
cell regeneration
Answer the following multiple-choice question. Question: what requires rest? Options: A. kinetic energy B. amphibians C. all animals D. watching tv E. oxygen F. most organisms G. Time and energy H. cell regeneration Which option is correct and why?
The correct answer is: cell regeneration.
A
What are used for seeing by animals by sensing electromagnetic waves?
[ "fibers", "eyes", "squids", "energy", "SNPs", "hawks", "fields", "Glass" ]
eyes
Answer the following multiple-choice question. Question: What are used for seeing by animals by sensing electromagnetic waves? Options: A. fibers B. eyes C. squids D. energy E. SNPs F. hawks G. fields H. Glass Which option is correct and why?
The correct answer is: eyes.
B
What is a chemical element essential for good health?
[ "sweating", "light energy", "oxygen", "bioaerosols", "Chlorophyll", "hydration", "Potassium", "fever" ]
Potassium
Answer the following multiple-choice question. Question: What is a chemical element essential for good health? Options: A. sweating B. light energy C. oxygen D. bioaerosols E. Chlorophyll F. hydration G. Potassium H. fever Which option is correct and why?
The correct answer is: Potassium.
A
Seismic waves cause what to shake?
[ "earth", "body water", "wind", "tremors", "sunlight", "the ground", "Sediment", "rocks" ]
the ground
Answer the following multiple-choice question. Question: Seismic waves cause what to shake? Options: A. earth B. body water C. wind D. tremors E. sunlight F. the ground G. Sediment H. rocks Which option is correct and why?
The correct answer is: the ground.
A
What helps humans see?
[ "layers of fat", "electricity", "food", "focusing a lens", "shadows", "dolphins", "Light bulbs", "pets" ]
Light bulbs
Answer the following multiple-choice question. Question: What helps humans see? Options: A. layers of fat B. electricity C. food D. focusing a lens E. shadows F. dolphins G. Light bulbs H. pets Which option is correct and why?
The correct answer is: Light bulbs.
A
Which cell gives rise to all cells of the human body?
[ "signaler stem cell", "schwann stem cell", "omnipoten stem cell", "totipotent stem cell" ]
totipotent stem cell
Answer the following multiple-choice question. Question: Which cell gives rise to all cells of the human body? Options: A. signaler stem cell B. schwann stem cell C. omnipoten stem cell D. totipotent stem cell Which option is correct and why?
The correct answer is: totipotent stem cell.
D
What enters the eye through the pupil and. falls on the retina to make an image?
[ "photons", "epidermal", "sun's heat", "our star", "energy", "an object", "sunlight", "movement" ]
photons
Answer the following multiple-choice question. Question: What enters the eye through the pupil and. falls on the retina to make an image? Options: A. photons B. epidermal C. sun's heat D. our star E. energy F. an object G. sunlight H. movement Which option is correct and why?
The correct answer is: photons.
A
What has a negative impact on photosynthesis?
[ "light", "sun", "gloom", "sun rays" ]
gloom
Answer the following multiple-choice question. Question: What has a negative impact on photosynthesis? Options: A. light B. sun C. gloom D. sun rays Which option is correct and why?
The correct answer is: gloom.
C
What are pigs?
[ "uninsulated", "animal", "cold", "fragile", "Social", "immune", "Mammal", "warm" ]
warm
Answer the following multiple-choice question. Question: What are pigs? Options: A. uninsulated B. animal C. cold D. fragile E. Social F. immune G. Mammal H. warm Which option is correct and why?
The correct answer is: warm.
A
What is an adaptation?
[ "diet", "gametes", "the Sun", "sleep", "rest", "toads", "gills", "alleles" ]
diet
Answer the following multiple-choice question. Question: What is an adaptation? Options: A. diet B. gametes C. the Sun D. sleep E. rest F. toads G. gills H. alleles Which option is correct and why?
The correct answer is: diet.
A
What can be used as an energy source by devices?
[ "friction", "sunlight", "heat", "sun's heat", "Light", "cells", "wind", "oxygen" ]
sunlight
Answer the following multiple-choice question. Question: What can be used as an energy source by devices? Options: A. friction B. sunlight C. heat D. sun's heat E. Light F. cells G. wind H. oxygen Which option is correct and why?
The correct answer is: sunlight.
B
What behavior causes people to hurt others?
[ "ambitious", "Damages them", "aggression", "complex", "loving", "insects", "smoking", "curious" ]
aggression
Answer the following multiple-choice question. Question: What behavior causes people to hurt others? Options: A. ambitious B. Damages them C. aggression D. complex E. loving F. insects G. smoking H. curious Which option is correct and why?
The correct answer is: aggression.
C
In physics, what is defined as the average kinetic energy of the particles of matter?
[ "temperature", "density", "magnetism", "friction" ]
temperature
Answer the following multiple-choice question. Question: In physics, what is defined as the average kinetic energy of the particles of matter? Options: A. temperature B. density C. magnetism D. friction Which option is correct and why?
The correct answer is: temperature.
A
Crowding and resource limitation can have a profound effect on the rate of what?
[ "population stagnation", "cultural advances", "technology advances", "population growth" ]
population growth
Answer the following multiple-choice question. Question: Crowding and resource limitation can have a profound effect on the rate of what? Options: A. population stagnation B. cultural advances C. technology advances D. population growth Which option is correct and why?
The correct answer is: population growth.
D
If the frequency of the electromagnetic wave is the same as the natural frequencies of the system, the transfer of what is much more efficient?
[ "light", "heat", "sound", "energy" ]
energy
Answer the following multiple-choice question. Question: If the frequency of the electromagnetic wave is the same as the natural frequencies of the system, the transfer of what is much more efficient? Options: A. light B. heat C. sound D. energy Which option is correct and why?
The correct answer is: energy.
D
What glands produce the salty fluid that helps cool the body of many mammals?
[ "thyroid gland", "endocrine gland", "water gland", "sweat gland" ]
sweat gland
Answer the following multiple-choice question. Question: What glands produce the salty fluid that helps cool the body of many mammals? Options: A. thyroid gland B. endocrine gland C. water gland D. sweat gland Which option is correct and why?
The correct answer is: sweat gland.
D