question stringlengths 4 399 ⌀ | options listlengths 4 8 ⌀ | correct_answer stringlengths 1 116 ⌀ | prompt stringlengths 146 739 ⌀ | completion stringlengths 25 140 ⌀ |
|---|---|---|---|---|
The distance of stars is measured in what terms, meaning the light takes many thousands of years to reach us? | [
"light hours",
"light decades",
"light years",
"light months"
] | light years | Answer the following multiple-choice question.
Question: The distance of stars is measured in what terms, meaning the light takes many thousands of years to reach us?
Options:
A. light hours
B. light decades
C. light years
D. light months
Which option is correct and why? | The correct answer is: light years. |
The lighter photic zone and darker aphotic zone are determined by what? | [
"water depth",
"water reflection",
"water shape",
"water density"
] | water depth | Answer the following multiple-choice question.
Question: The lighter photic zone and darker aphotic zone are determined by what?
Options:
A. water depth
B. water reflection
C. water shape
D. water density
Which option is correct and why? | The correct answer is: water depth. |
Where does most of the mass for an atom reside? | [
"electrons",
"neutrons",
"protons",
"nucleus"
] | nucleus | Answer the following multiple-choice question.
Question: Where does most of the mass for an atom reside?
Options:
A. electrons
B. neutrons
C. protons
D. nucleus
Which option is correct and why? | The correct answer is: nucleus. |
What will reflect more light? | [
"a black bag",
"a yellow shirt",
"a blue shirt",
"brown shoes"
] | a yellow shirt | Answer the following multiple-choice question.
Question: What will reflect more light?
Options:
A. a black bag
B. a yellow shirt
C. a blue shirt
D. brown shoes
Which option is correct and why? | The correct answer is: a yellow shirt. |
Which part of the body has mucus and hair to trap dust and also warms and moistens air so to not harm lung tissue? | [
"the tongue",
"the throat",
"the ear",
"the nose"
] | the nose | Answer the following multiple-choice question.
Question: Which part of the body has mucus and hair to trap dust and also warms and moistens air so to not harm lung tissue?
Options:
A. the tongue
B. the throat
C. the ear
D. the nose
Which option is correct and why? | The correct answer is: the nose. |
Ribozymes are rna molecules that catalyze what? | [
"protein molecules",
"liquid reactions",
"hormonal reactions",
"chemical reactions"
] | chemical reactions | Answer the following multiple-choice question.
Question: Ribozymes are rna molecules that catalyze what?
Options:
A. protein molecules
B. liquid reactions
C. hormonal reactions
D. chemical reactions
Which option is correct and why? | The correct answer is: chemical reactions. |
For a hungry hawk chasing a mouse, if the mouse darts away, the hawk must | [
"adjust speed",
"run after it",
"find other prey",
"take a break"
] | adjust speed | Answer the following multiple-choice question.
Question: For a hungry hawk chasing a mouse, if the mouse darts away, the hawk must
Options:
A. adjust speed
B. run after it
C. find other prey
D. take a break
Which option is correct and why? | The correct answer is: adjust speed. |
Bacterial dna is contained in a large, circular strand; this single chromosome is located in a region of the cell called what? | [
"amino acid",
"polypeptide",
"the nucleoid",
"nucleic acid"
] | the nucleoid | Answer the following multiple-choice question.
Question: Bacterial dna is contained in a large, circular strand; this single chromosome is located in a region of the cell called what?
Options:
A. amino acid
B. polypeptide
C. the nucleoid
D. nucleic acid
Which option is correct and why? | The correct answer is: the nucleoid. |
Where do orchids keep water? | [
"In their leaves",
"dormant state",
"it needs them",
"by indirect light",
"By coral exoskeletons",
"near the shoreline",
"cellulose",
"they body they live in"
] | In their leaves | Answer the following multiple-choice question.
Question: Where do orchids keep water?
Options:
A. In their leaves
B. dormant state
C. it needs them
D. by indirect light
E. By coral exoskeletons
F. near the shoreline
G. cellulose
H. they body they live in
Which option is correct and why? | The correct answer is: In their leaves. |
What makes up the core of the endoskeleton? | [
"vertebral column",
"dermis",
"thorax",
"notochord"
] | vertebral column | Answer the following multiple-choice question.
Question: What makes up the core of the endoskeleton?
Options:
A. vertebral column
B. dermis
C. thorax
D. notochord
Which option is correct and why? | The correct answer is: vertebral column. |
What is the name for the transfer of thermal energy between particles of matter that are touching? | [
"convection",
"induction",
"activation",
"conduction"
] | conduction | Answer the following multiple-choice question.
Question: What is the name for the transfer of thermal energy between particles of matter that are touching?
Options:
A. convection
B. induction
C. activation
D. conduction
Which option is correct and why? | The correct answer is: conduction. |
What is unique and found in all living things because it can form up to four covalent bonds between atoms or molecules? | [
"potassium",
"carbon",
"oxygen",
"hydrogen"
] | carbon | Answer the following multiple-choice question.
Question: What is unique and found in all living things because it can form up to four covalent bonds between atoms or molecules?
Options:
A. potassium
B. carbon
C. oxygen
D. hydrogen
Which option is correct and why? | The correct answer is: carbon. |
What does a virus inject into the host cell? | [
"Acetic acid",
"nucleic acid",
"cells acid",
"proteins acid"
] | nucleic acid | Answer the following multiple-choice question.
Question: What does a virus inject into the host cell?
Options:
A. Acetic acid
B. nucleic acid
C. cells acid
D. proteins acid
Which option is correct and why? | The correct answer is: nucleic acid. |
The lungs of mammals are unique in having what? | [
"alveoli",
"glands",
"acini",
"alveolar"
] | alveoli | Answer the following multiple-choice question.
Question: The lungs of mammals are unique in having what?
Options:
A. alveoli
B. glands
C. acini
D. alveolar
Which option is correct and why? | The correct answer is: alveoli. |
What material is regularly used in human hip and knee implants? | [
"metal",
"glass",
"coal",
"wood"
] | metal | Answer the following multiple-choice question.
Question: What material is regularly used in human hip and knee implants?
Options:
A. metal
B. glass
C. coal
D. wood
Which option is correct and why? | The correct answer is: metal. |
null | null | null | null | null |
Molecules are known for having a | [
"Positive Charge",
"Neutral Charge",
"Friend",
"Negative Charge"
] | Neutral Charge | Answer the following multiple-choice question.
Question: Molecules are known for having a
Options:
A. Positive Charge
B. Neutral Charge
C. Friend
D. Negative Charge
Which option is correct and why? | The correct answer is: Neutral Charge. |
Hyenas and cockroaches are examples of what decomposers that consume the soft tissues of dead animals? | [
"parasites",
"scavengers",
"predators",
"foragers"
] | scavengers | Answer the following multiple-choice question.
Question: Hyenas and cockroaches are examples of what decomposers that consume the soft tissues of dead animals?
Options:
A. parasites
B. scavengers
C. predators
D. foragers
Which option is correct and why? | The correct answer is: scavengers. |
What would thrive if Eagles died out | [
"air",
"hamsters",
"emotions",
"magic"
] | hamsters | Answer the following multiple-choice question.
Question: What would thrive if Eagles died out
Options:
A. air
B. hamsters
C. emotions
D. magic
Which option is correct and why? | The correct answer is: hamsters. |
Respectively, which parts of the circulatory system carry blood from the heart toward capillaries, and return blood to the heart from capillaries? | [
"arteries and capillaries",
"arteries and veins",
"parasites and veins",
"organs and veins"
] | arteries and veins | Answer the following multiple-choice question.
Question: Respectively, which parts of the circulatory system carry blood from the heart toward capillaries, and return blood to the heart from capillaries?
Options:
A. arteries and capillaries
B. arteries and veins
C. parasites and veins
D. organs and veins
Which option is correct and why? | The correct answer is: arteries and veins. |
null | null | null | null | null |
What step are bees essential in during the sexual reproduction of plants? | [
"pre-flowering",
"death",
"fertilization",
"Energy.",
"food and shelter",
"hydration",
"Animal survival",
"survival"
] | fertilization | Answer the following multiple-choice question.
Question: What step are bees essential in during the sexual reproduction of plants?
Options:
A. pre-flowering
B. death
C. fertilization
D. Energy.
E. food and shelter
F. hydration
G. Animal survival
H. survival
Which option is correct and why? | The correct answer is: fertilization. |
Doing what has a positive impact on organisms and their habitat? | [
"hydrate their cells",
"exercise",
"By coral exoskeletons",
"planting trees",
"trimming trees",
"planting grass",
"buying flowers",
"support"
] | planting trees | Answer the following multiple-choice question.
Question: Doing what has a positive impact on organisms and their habitat?
Options:
A. hydrate their cells
B. exercise
C. By coral exoskeletons
D. planting trees
E. trimming trees
F. planting grass
G. buying flowers
H. support
Which option is correct and why? | The correct answer is: planting trees. |
Tumors are a collection of cancer what? | [
"harmful",
"mutations",
"cells",
"toxins",
"three",
"Mass",
"oncogenes",
"ovaries"
] | cells | Answer the following multiple-choice question.
Question: Tumors are a collection of cancer what?
Options:
A. harmful
B. mutations
C. cells
D. toxins
E. three
F. Mass
G. oncogenes
H. ovaries
Which option is correct and why? | The correct answer is: cells. |
By what process does the haploid gametophyte produce the gametes? | [
"mitosis",
"angiogenesis",
"Spermatogenesis",
"meiosis"
] | mitosis | Answer the following multiple-choice question.
Question: By what process does the haploid gametophyte produce the gametes?
Options:
A. mitosis
B. angiogenesis
C. Spermatogenesis
D. meiosis
Which option is correct and why? | The correct answer is: mitosis. |
What is considered to be part of macroevolution? | [
"Man",
"genus",
"pollen",
"Birds",
"legumes",
"power",
"embryos",
"animals"
] | genus | Answer the following multiple-choice question.
Question: What is considered to be part of macroevolution?
Options:
A. Man
B. genus
C. pollen
D. Birds
E. legumes
F. power
G. embryos
H. animals
Which option is correct and why? | The correct answer is: genus. |
Why do the flightless have feathers? | [
"layers of fat",
"Sublimation",
"it needs them",
"warm-blooded",
"Air conditioning",
"Radiation",
"Insulation",
"protect them"
] | Insulation | Answer the following multiple-choice question.
Question: Why do the flightless have feathers?
Options:
A. layers of fat
B. Sublimation
C. it needs them
D. warm-blooded
E. Air conditioning
F. Radiation
G. Insulation
H. protect them
Which option is correct and why? | The correct answer is: Insulation. |
What can cause animals to leave an environment? | [
"it has normal food supplies",
"it has earthquakes",
"energy of moving objects",
"harmful substances",
"its a safe habitat",
"colder weather",
"the situation is unchanged",
"deforestation"
] | it has earthquakes | Answer the following multiple-choice question.
Question: What can cause animals to leave an environment?
Options:
A. it has normal food supplies
B. it has earthquakes
C. energy of moving objects
D. harmful substances
E. its a safe habitat
F. colder weather
G. the situation is unchanged
H. deforestation
Which option is correct and why? | The correct answer is: it has earthquakes. |
what kind of response does threatening behavior cause in animals? | [
"yelling",
"threatened",
"basic survival",
"influenza",
"digestion",
"respiration",
"symptoms",
"hypothyroidism"
] | basic survival | Answer the following multiple-choice question.
Question: what kind of response does threatening behavior cause in animals?
Options:
A. yelling
B. threatened
C. basic survival
D. influenza
E. digestion
F. respiration
G. symptoms
H. hypothyroidism
Which option is correct and why? | The correct answer is: basic survival. |
What is controlled by the carbon circle and is transferred between organisms and atmosphere | [
"Energy.",
"Chemical energy",
"Carbon Dioxide",
"Organic compounds",
"flow of electrons",
"heat energy",
"oxidation reaction",
"temperature"
] | Carbon Dioxide | Answer the following multiple-choice question.
Question: What is controlled by the carbon circle and is transferred between organisms and atmosphere
Options:
A. Energy.
B. Chemical energy
C. Carbon Dioxide
D. Organic compounds
E. flow of electrons
F. heat energy
G. oxidation reaction
H. temperature
Which option is correct and why? | The correct answer is: Carbon Dioxide. |
Which item can be used more than once? | [
"toilet paper",
"cloth pad",
"tampon",
"drugstore pad"
] | cloth pad | Answer the following multiple-choice question.
Question: Which item can be used more than once?
Options:
A. toilet paper
B. cloth pad
C. tampon
D. drugstore pad
Which option is correct and why? | The correct answer is: cloth pad. |
The main organs of the cardiovascular system are the blood vessels and what else? | [
"alveoli",
"lung",
"heart",
"capillaries"
] | heart | Answer the following multiple-choice question.
Question: The main organs of the cardiovascular system are the blood vessels and what else?
Options:
A. alveoli
B. lung
C. heart
D. capillaries
Which option is correct and why? | The correct answer is: heart. |
What two planets is the asteroid belt found between? | [
"mars and jupiter",
"saturn and uranus",
"earth and venus",
"mars and venus"
] | mars and jupiter | Answer the following multiple-choice question.
Question: What two planets is the asteroid belt found between?
Options:
A. mars and jupiter
B. saturn and uranus
C. earth and venus
D. mars and venus
Which option is correct and why? | The correct answer is: mars and jupiter. |
A cell with two sets of chromosomes is called a? | [
"biploid",
"diploid",
"chloroplasts",
"haploid"
] | diploid | Answer the following multiple-choice question.
Question: A cell with two sets of chromosomes is called a?
Options:
A. biploid
B. diploid
C. chloroplasts
D. haploid
Which option is correct and why? | The correct answer is: diploid. |
What is the term for a change in an object’s motion, which occurs whenever an object is acted upon by an unbalanced force? | [
"compression",
"acceleration",
"rotation",
"inclination"
] | acceleration | Answer the following multiple-choice question.
Question: What is the term for a change in an object’s motion, which occurs whenever an object is acted upon by an unbalanced force?
Options:
A. compression
B. acceleration
C. rotation
D. inclination
Which option is correct and why? | The correct answer is: acceleration. |
The reaction rate usually increases as the concentration of what increases? | [
"reactants",
"complexes",
"generators",
"mutations"
] | reactants | Answer the following multiple-choice question.
Question: The reaction rate usually increases as the concentration of what increases?
Options:
A. reactants
B. complexes
C. generators
D. mutations
Which option is correct and why? | The correct answer is: reactants. |
What are vascular plants that produce seeds in cones? | [
"Conifers",
"green flowers",
"green grass",
"light green",
"it needs them",
"white",
"evergreen",
"potatoes"
] | evergreen | Answer the following multiple-choice question.
Question: What are vascular plants that produce seeds in cones?
Options:
A. Conifers
B. green flowers
C. green grass
D. light green
E. it needs them
F. white
G. evergreen
H. potatoes
Which option is correct and why? | The correct answer is: evergreen. |
What three forms does frozen precipitation take? | [
"hail, wind, typhoon",
"vapor, fog, ice",
"snow, sleet, freezing rain",
"blizzard, frost, fog"
] | snow, sleet, freezing rain | Answer the following multiple-choice question.
Question: What three forms does frozen precipitation take?
Options:
A. hail, wind, typhoon
B. vapor, fog, ice
C. snow, sleet, freezing rain
D. blizzard, frost, fog
Which option is correct and why? | The correct answer is: snow, sleet, freezing rain. |
What passes traits from parents to offspring? | [
"Birth certificate",
"Lactation",
"p53",
"HIV",
"RNA",
"Pedigree",
"SNPs",
"DNA"
] | DNA | Answer the following multiple-choice question.
Question: What passes traits from parents to offspring?
Options:
A. Birth certificate
B. Lactation
C. p53
D. HIV
E. RNA
F. Pedigree
G. SNPs
H. DNA
Which option is correct and why? | The correct answer is: DNA. |
What has a negative impact on the environment? | [
"cigarettes",
"animals",
"deforestation",
"rain",
"wind",
"Pesticides",
"Pollution",
"solid waste"
] | solid waste | Answer the following multiple-choice question.
Question: What has a negative impact on the environment?
Options:
A. cigarettes
B. animals
C. deforestation
D. rain
E. wind
F. Pesticides
G. Pollution
H. solid waste
Which option is correct and why? | The correct answer is: solid waste. |
A magnet would most likely stick to | [
"a noodle",
"a chopstick",
"a girder",
"a plastic cup"
] | a girder | Answer the following multiple-choice question.
Question: A magnet would most likely stick to
Options:
A. a noodle
B. a chopstick
C. a girder
D. a plastic cup
Which option is correct and why? | The correct answer is: a girder. |
What is the name of the symbiotic relationship in which one species benefits while the other species is not affected? | [
"differentiation",
"mutualism",
"commensalism",
"pollenation"
] | commensalism | Answer the following multiple-choice question.
Question: What is the name of the symbiotic relationship in which one species benefits while the other species is not affected?
Options:
A. differentiation
B. mutualism
C. commensalism
D. pollenation
Which option is correct and why? | The correct answer is: commensalism. |
What do mollusks have? | [
"aerobic capacity",
"Energy",
"gastropod shells",
"Chemical energy",
"a cuticle",
"kinetic energy",
"soft bodies",
"alveoli"
] | soft bodies | Answer the following multiple-choice question.
Question: What do mollusks have?
Options:
A. aerobic capacity
B. Energy
C. gastropod shells
D. Chemical energy
E. a cuticle
F. kinetic energy
G. soft bodies
H. alveoli
Which option is correct and why? | The correct answer is: soft bodies. |
The field a farmer plants with varied crops over the years is richer than | [
"a field where apples, beans and squash is planted",
"a field where only grain is planted",
"a field where rice, corn and beans are planted",
"a field where fruits and vegetables are planted"
] | a field where only grain is planted | Answer the following multiple-choice question.
Question: The field a farmer plants with varied crops over the years is richer than
Options:
A. a field where apples, beans and squash is planted
B. a field where only grain is planted
C. a field where rice, corn and beans are planted
D. a field where fruits and vegetables are planted
Which option is correct and why? | The correct answer is: a field where only grain is planted. |
Like simple hormone pathways, hormone cascade pathways typically involve what kind of feedback? | [
"positive",
"negative",
"effective",
"neutral"
] | negative | Answer the following multiple-choice question.
Question: Like simple hormone pathways, hormone cascade pathways typically involve what kind of feedback?
Options:
A. positive
B. negative
C. effective
D. neutral
Which option is correct and why? | The correct answer is: negative. |
What are the special mating behaviors in birds called? | [
"attraction",
"presentation",
"courtship",
"display"
] | courtship | Answer the following multiple-choice question.
Question: What are the special mating behaviors in birds called?
Options:
A. attraction
B. presentation
C. courtship
D. display
Which option is correct and why? | The correct answer is: courtship. |
The xylem absorbs water which end of a plant | [
"bottom",
"top",
"left side",
"right side"
] | bottom | Answer the following multiple-choice question.
Question: The xylem absorbs water which end of a plant
Options:
A. bottom
B. top
C. left side
D. right side
Which option is correct and why? | The correct answer is: bottom. |
excessive cooling of body heat is accompanied with what | [
"energy",
"loss of breath",
"dehydration",
"Evaporation",
"sleeping",
"Energy.",
"water vapor",
"hunger"
] | dehydration | Answer the following multiple-choice question.
Question: excessive cooling of body heat is accompanied with what
Options:
A. energy
B. loss of breath
C. dehydration
D. Evaporation
E. sleeping
F. Energy.
G. water vapor
H. hunger
Which option is correct and why? | The correct answer is: dehydration. |
Flatworms have a concentration of nerve tissue in the head end, which was a major step in the evolution of what organ? | [
"heart",
"liver",
"brain",
"kidney"
] | brain | Answer the following multiple-choice question.
Question: Flatworms have a concentration of nerve tissue in the head end, which was a major step in the evolution of what organ?
Options:
A. heart
B. liver
C. brain
D. kidney
Which option is correct and why? | The correct answer is: brain. |
Pressing your appendages against an object can allow one to | [
"sense differences in atomic structure",
"sense differences in color",
"sense differences in atomic value",
"sense differences in material makeup"
] | sense differences in material makeup | Answer the following multiple-choice question.
Question: Pressing your appendages against an object can allow one to
Options:
A. sense differences in atomic structure
B. sense differences in color
C. sense differences in atomic value
D. sense differences in material makeup
Which option is correct and why? | The correct answer is: sense differences in material makeup. |
The bear in the wild needs to find other animals to feast. | [
"they are killers",
"they only eat",
"they never kill",
"they are docile"
] | they are killers | Answer the following multiple-choice question.
Question: The bear in the wild needs to find other animals to feast.
Options:
A. they are killers
B. they only eat
C. they never kill
D. they are docile
Which option is correct and why? | The correct answer is: they are killers. |
Where are sperm produced in the process of spermatogenesis? | [
"intestines",
"penis",
"ovaries",
"testes"
] | testes | Answer the following multiple-choice question.
Question: Where are sperm produced in the process of spermatogenesis?
Options:
A. intestines
B. penis
C. ovaries
D. testes
Which option is correct and why? | The correct answer is: testes. |
A shark sees a meal but it runs into a thick cloud of ink, blinding it. Which of the following creatures could be responsible? | [
"a whale",
"a sea lion",
"an octopus",
"a shark"
] | an octopus | Answer the following multiple-choice question.
Question: A shark sees a meal but it runs into a thick cloud of ink, blinding it. Which of the following creatures could be responsible?
Options:
A. a whale
B. a sea lion
C. an octopus
D. a shark
Which option is correct and why? | The correct answer is: an octopus. |
What is an ionic compound that produces negative hydroxide ions when dissolved in water | [
"isomer",
"base",
"acid",
"catalyst"
] | base | Answer the following multiple-choice question.
Question: What is an ionic compound that produces negative hydroxide ions when dissolved in water
Options:
A. isomer
B. base
C. acid
D. catalyst
Which option is correct and why? | The correct answer is: base. |
In birds, lightweight air-filled bones and a large four-chambered heart are examples of adaptations for what purpose? | [
"flight",
"mating",
"long lifespan",
"speed"
] | flight | Answer the following multiple-choice question.
Question: In birds, lightweight air-filled bones and a large four-chambered heart are examples of adaptations for what purpose?
Options:
A. flight
B. mating
C. long lifespan
D. speed
Which option is correct and why? | The correct answer is: flight. |
Group 16 is called the oxygen group. what is the only metalloid in this group? | [
"cadmium",
"gallium",
"beryllium",
"tellurium"
] | tellurium | Answer the following multiple-choice question.
Question: Group 16 is called the oxygen group. what is the only metalloid in this group?
Options:
A. cadmium
B. gallium
C. beryllium
D. tellurium
Which option is correct and why? | The correct answer is: tellurium. |
What kind of chain is formed by subduction of oceanic crust beneath a continental or oceanic plate? | [
"mountain",
"chain reaction",
"tsunami",
"volcano"
] | volcano | Answer the following multiple-choice question.
Question: What kind of chain is formed by subduction of oceanic crust beneath a continental or oceanic plate?
Options:
A. mountain
B. chain reaction
C. tsunami
D. volcano
Which option is correct and why? | The correct answer is: volcano. |
Which system refers to the skin and its accessory structures? | [
"integumentary system",
"tomoxia system",
"digestive system",
"malpighian system"
] | integumentary system | Answer the following multiple-choice question.
Question: Which system refers to the skin and its accessory structures?
Options:
A. integumentary system
B. tomoxia system
C. digestive system
D. malpighian system
Which option is correct and why? | The correct answer is: integumentary system. |
What in the axils of leaves and stems give rise to branches? | [
"chloroplasts",
"nodules",
"meristems",
"axillary buds"
] | axillary buds | Answer the following multiple-choice question.
Question: What in the axils of leaves and stems give rise to branches?
Options:
A. chloroplasts
B. nodules
C. meristems
D. axillary buds
Which option is correct and why? | The correct answer is: axillary buds. |
If an electromagnet is active then a nail touching it will become what? | [
"frozen",
"reactively charged",
"cold",
"magnetic personality"
] | reactively charged | Answer the following multiple-choice question.
Question: If an electromagnet is active then a nail touching it will become what?
Options:
A. frozen
B. reactively charged
C. cold
D. magnetic personality
Which option is correct and why? | The correct answer is: reactively charged. |
Osteoclasts break down bone to maintain mineral what? | [
"homeostatis",
"polarity",
"fluctuations",
"density"
] | homeostatis | Answer the following multiple-choice question.
Question: Osteoclasts break down bone to maintain mineral what?
Options:
A. homeostatis
B. polarity
C. fluctuations
D. density
Which option is correct and why? | The correct answer is: homeostatis. |
What has increased in the air dramatically over the last decade? | [
"oil",
"sugar",
"coal",
"Cars",
"H2O",
"CO 2",
"He",
"O2"
] | CO 2 | Answer the following multiple-choice question.
Question: What has increased in the air dramatically over the last decade?
Options:
A. oil
B. sugar
C. coal
D. Cars
E. H2O
F. CO 2
G. He
H. O2
Which option is correct and why? | The correct answer is: CO 2. |
what is regulated by insulin? | [
"Energy.",
"animals",
"Energy",
"Balance",
"sleep",
"heat",
"sugar",
"fat"
] | sugar | Answer the following multiple-choice question.
Question: what is regulated by insulin?
Options:
A. Energy.
B. animals
C. Energy
D. Balance
E. sleep
F. heat
G. sugar
H. fat
Which option is correct and why? | The correct answer is: sugar. |
Atoms of the same element that have different masses are called what? | [
"mutations",
"variations",
"radioactive",
"isotopes"
] | isotopes | Answer the following multiple-choice question.
Question: Atoms of the same element that have different masses are called what?
Options:
A. mutations
B. variations
C. radioactive
D. isotopes
Which option is correct and why? | The correct answer is: isotopes. |
If something is able to grow from a kernel and insects assist in reproduction, then it is probably a | [
"carnation",
"rock",
"chair",
"dove"
] | carnation | Answer the following multiple-choice question.
Question: If something is able to grow from a kernel and insects assist in reproduction, then it is probably a
Options:
A. carnation
B. rock
C. chair
D. dove
Which option is correct and why? | The correct answer is: carnation. |
What do you call the process that results in an animal producing offspring? | [
"adoption",
"differentiation",
"creationism",
"reproduction"
] | reproduction | Answer the following multiple-choice question.
Question: What do you call the process that results in an animal producing offspring?
Options:
A. adoption
B. differentiation
C. creationism
D. reproduction
Which option is correct and why? | The correct answer is: reproduction. |
a person places a dime next to an object on a table. The dime moves toward the object on its own. Which of these is likely to be that object? | [
"a piece of paper",
"a can of coke",
"a loaf of bread",
"a piece of carbon steel"
] | a piece of carbon steel | Answer the following multiple-choice question.
Question: a person places a dime next to an object on a table. The dime moves toward the object on its own. Which of these is likely to be that object?
Options:
A. a piece of paper
B. a can of coke
C. a loaf of bread
D. a piece of carbon steel
Which option is correct and why? | The correct answer is: a piece of carbon steel. |
What are composed of a phosphate group, a sugar, and one of five different nitrogenous bases. | [
"carotenoids",
"cytotypes",
"nucleotides",
"prokaryotes"
] | nucleotides | Answer the following multiple-choice question.
Question: What are composed of a phosphate group, a sugar, and one of five different nitrogenous bases.
Options:
A. carotenoids
B. cytotypes
C. nucleotides
D. prokaryotes
Which option is correct and why? | The correct answer is: nucleotides. |
What can rain do to rocks? | [
"Water expanding",
"levitation",
"It expands",
"protect them",
"Make larger",
"Break down",
"kill them",
"create"
] | Break down | Answer the following multiple-choice question.
Question: What can rain do to rocks?
Options:
A. Water expanding
B. levitation
C. It expands
D. protect them
E. Make larger
F. Break down
G. kill them
H. create
Which option is correct and why? | The correct answer is: Break down. |
A mother births what? | [
"light",
"elements",
"younglings",
"nothing"
] | younglings | Answer the following multiple-choice question.
Question: A mother births what?
Options:
A. light
B. elements
C. younglings
D. nothing
Which option is correct and why? | The correct answer is: younglings. |
what uses cellulose for their cell walls? | [
"flowers",
"bushes",
"Trees",
"organisms",
"Oak",
"insulator",
"Conifers",
"grass"
] | bushes | Answer the following multiple-choice question.
Question: what uses cellulose for their cell walls?
Options:
A. flowers
B. bushes
C. Trees
D. organisms
E. Oak
F. insulator
G. Conifers
H. grass
Which option is correct and why? | The correct answer is: bushes. |
In the desert, a hawk may enjoy an occasional | [
"coyote",
"reptile",
"bat",
"scorpion"
] | reptile | Answer the following multiple-choice question.
Question: In the desert, a hawk may enjoy an occasional
Options:
A. coyote
B. reptile
C. bat
D. scorpion
Which option is correct and why? | The correct answer is: reptile. |
Starfish, sea urchins and sea cucumbers lack a what? | [
"characteristics",
"the body's largest organ",
"watery habitat",
"centralized nervous system",
"functioning arm",
"underwater life",
"biological diversity",
"epidermis and dermis"
] | centralized nervous system | Answer the following multiple-choice question.
Question: Starfish, sea urchins and sea cucumbers lack a what?
Options:
A. characteristics
B. the body's largest organ
C. watery habitat
D. centralized nervous system
E. functioning arm
F. underwater life
G. biological diversity
H. epidermis and dermis
Which option is correct and why? | The correct answer is: centralized nervous system. |
Which is needed for photosynthesis to occur | [
"chemical with the atomic number 18",
"energy that takes 8.3 minutes to travel to Earth",
"the 8th entry on the periodic table",
"the most prevalent chemical in the atmosphere"
] | energy that takes 8.3 minutes to travel to Earth | Answer the following multiple-choice question.
Question: Which is needed for photosynthesis to occur
Options:
A. chemical with the atomic number 18
B. energy that takes 8.3 minutes to travel to Earth
C. the 8th entry on the periodic table
D. the most prevalent chemical in the atmosphere
Which option is correct and why? | The correct answer is: energy that takes 8.3 minutes to travel to Earth. |
Aldehydes and ketones can work weak hydrogen bonds with water through what atom? | [
"pyridinium oxygen atom",
"basalt oxygen atom",
"carbonyl oxygen atom",
"carbon carbon atom"
] | carbonyl oxygen atom | Answer the following multiple-choice question.
Question: Aldehydes and ketones can work weak hydrogen bonds with water through what atom?
Options:
A. pyridinium oxygen atom
B. basalt oxygen atom
C. carbonyl oxygen atom
D. carbon carbon atom
Which option is correct and why? | The correct answer is: carbonyl oxygen atom. |
what can keep you warm? | [
"toenails",
"warmth",
"skin",
"nails",
"wings",
"fingers",
"fur",
"hair"
] | hair | Answer the following multiple-choice question.
Question: what can keep you warm?
Options:
A. toenails
B. warmth
C. skin
D. nails
E. wings
F. fingers
G. fur
H. hair
Which option is correct and why? | The correct answer is: hair. |
What happens to Genes located on the same chromosome | [
"metabolic reaction",
"production of energy",
"produce offspring",
"female sex cells",
"The flowers are pollinated",
"They are inherited together",
"Earth orbiting the Sun",
"a hemisphere is tilted away from the sun"
] | They are inherited together | Answer the following multiple-choice question.
Question: What happens to Genes located on the same chromosome
Options:
A. metabolic reaction
B. production of energy
C. produce offspring
D. female sex cells
E. The flowers are pollinated
F. They are inherited together
G. Earth orbiting the Sun
H. a hemisphere is tilted away from the sun
Which option is correct and why? | The correct answer is: They are inherited together. |
Snails, scallops, and squids are what type of invertebrate? | [
"crustacean",
"algae",
"arthropod",
"mollusk"
] | mollusk | Answer the following multiple-choice question.
Question: Snails, scallops, and squids are what type of invertebrate?
Options:
A. crustacean
B. algae
C. arthropod
D. mollusk
Which option is correct and why? | The correct answer is: mollusk. |
John's shadow looks like it's directly underneath him. What time is it? | [
"9am",
"12pm",
"12am",
"2pm"
] | 12pm | Answer the following multiple-choice question.
Question: John's shadow looks like it's directly underneath him. What time is it?
Options:
A. 9am
B. 12pm
C. 12am
D. 2pm
Which option is correct and why? | The correct answer is: 12pm. |
What type of bonds only form in metals? | [
"metallic bonds",
"liquid bonds",
"friction bonds",
"optical bonds"
] | metallic bonds | Answer the following multiple-choice question.
Question: What type of bonds only form in metals?
Options:
A. metallic bonds
B. liquid bonds
C. friction bonds
D. optical bonds
Which option is correct and why? | The correct answer is: metallic bonds. |
the Earth rotating on its axis causes stars to appear to move across the sky when? | [
"sleeping hours",
"sun time",
"day",
"daytime"
] | sleeping hours | Answer the following multiple-choice question.
Question: the Earth rotating on its axis causes stars to appear to move across the sky when?
Options:
A. sleeping hours
B. sun time
C. day
D. daytime
Which option is correct and why? | The correct answer is: sleeping hours. |
What might be stored in limestone? | [
"carbonated water",
"chemicals",
"cigars",
"candles",
"Energy.",
"carbon",
"Energy",
"fossils"
] | carbon | Answer the following multiple-choice question.
Question: What might be stored in limestone?
Options:
A. carbonated water
B. chemicals
C. cigars
D. candles
E. Energy.
F. carbon
G. Energy
H. fossils
Which option is correct and why? | The correct answer is: carbon. |
Where's the best place to mine for coal? | [
"icebergs",
"jewelry store",
"lakes",
"mountains"
] | mountains | Answer the following multiple-choice question.
Question: Where's the best place to mine for coal?
Options:
A. icebergs
B. jewelry store
C. lakes
D. mountains
Which option is correct and why? | The correct answer is: mountains. |
What are resources that don't run out? | [
"renewable resources",
"residual resources",
"orbital resources",
"general resources"
] | renewable resources | Answer the following multiple-choice question.
Question: What are resources that don't run out?
Options:
A. renewable resources
B. residual resources
C. orbital resources
D. general resources
Which option is correct and why? | The correct answer is: renewable resources. |
The converging of continental plates can form what kind of geological feature? | [
"streams",
"mountains",
"plains",
"shores"
] | mountains | Answer the following multiple-choice question.
Question: The converging of continental plates can form what kind of geological feature?
Options:
A. streams
B. mountains
C. plains
D. shores
Which option is correct and why? | The correct answer is: mountains. |
A salt concentration of 32 percent is nearly ten times that of what abundant resource? | [
"oxygen",
"fresh water",
"seawater",
"algae"
] | seawater | Answer the following multiple-choice question.
Question: A salt concentration of 32 percent is nearly ten times that of what abundant resource?
Options:
A. oxygen
B. fresh water
C. seawater
D. algae
Which option is correct and why? | The correct answer is: seawater. |
What does smoking harm? | [
"people",
"consumers",
"athletes",
"health",
"radiation",
"humans",
"fire",
"tobacco leaves"
] | athletes | Answer the following multiple-choice question.
Question: What does smoking harm?
Options:
A. people
B. consumers
C. athletes
D. health
E. radiation
F. humans
G. fire
H. tobacco leaves
Which option is correct and why? | The correct answer is: athletes. |
When the Earth is tilted on its axis, as it always is, certain tilts will make it summer one once continent | [
"and birds fly around the moon",
"and beans grow on the other side",
"and another's celebrating Halloween",
"and a desert on another"
] | and another's celebrating Halloween | Answer the following multiple-choice question.
Question: When the Earth is tilted on its axis, as it always is, certain tilts will make it summer one once continent
Options:
A. and birds fly around the moon
B. and beans grow on the other side
C. and another's celebrating Halloween
D. and a desert on another
Which option is correct and why? | The correct answer is: and another's celebrating Halloween. |
Most bird species display this behavior, meaning the male and female remain together for breeding for a few years or until one mate dies? | [
"polygamy",
"isolation",
"monogamy",
"dichotomy"
] | monogamy | Answer the following multiple-choice question.
Question: Most bird species display this behavior, meaning the male and female remain together for breeding for a few years or until one mate dies?
Options:
A. polygamy
B. isolation
C. monogamy
D. dichotomy
Which option is correct and why? | The correct answer is: monogamy. |
null | null | null | null | null |
null | null | null | null | null |
null | null | null | null | null |
What allows organisms to give rise to offspring? | [
"peachleaf willow",
"colon",
"lungs",
"fertilization",
"spread flower seeds",
"photosynthesis",
"aerobic capacity",
"Plants growth"
] | fertilization | Answer the following multiple-choice question.
Question: What allows organisms to give rise to offspring?
Options:
A. peachleaf willow
B. colon
C. lungs
D. fertilization
E. spread flower seeds
F. photosynthesis
G. aerobic capacity
H. Plants growth
Which option is correct and why? | The correct answer is: fertilization. |
null | null | null | null | null |
Plants have specialized organs that help them survive and reproduce in a great diversity of habitats. major organs of most plants include roots, stems, and what? | [
"lungs",
"sacs",
"clusters",
"leaves"
] | leaves | Answer the following multiple-choice question.
Question: Plants have specialized organs that help them survive and reproduce in a great diversity of habitats. major organs of most plants include roots, stems, and what?
Options:
A. lungs
B. sacs
C. clusters
D. leaves
Which option is correct and why? | The correct answer is: leaves. |
What is the inner layer of skin called? | [
"connective layer",
"the epidermis",
"the dermis",
"hypodermis"
] | the dermis | Answer the following multiple-choice question.
Question: What is the inner layer of skin called?
Options:
A. connective layer
B. the epidermis
C. the dermis
D. hypodermis
Which option is correct and why? | The correct answer is: the dermis. |
What does an incubator help an egg to do? | [
"support",
"eat",
"motility",
"expand",
"reproduce",
"growth",
"survive",
"die"
] | survive | Answer the following multiple-choice question.
Question: What does an incubator help an egg to do?
Options:
A. support
B. eat
C. motility
D. expand
E. reproduce
F. growth
G. survive
H. die
Which option is correct and why? | The correct answer is: survive. |
null | null | null | null | null |
What can result in extinction? | [
"Harming an animal species",
"scattered light",
"exposure to cold",
"Ignoring an animal species",
"deforestation",
"Helping an animal species",
"DNA damage and mutations",
"Growing food for animals"
] | Harming an animal species | Answer the following multiple-choice question.
Question: What can result in extinction?
Options:
A. Harming an animal species
B. scattered light
C. exposure to cold
D. Ignoring an animal species
E. deforestation
F. Helping an animal species
G. DNA damage and mutations
H. Growing food for animals
Which option is correct and why? | The correct answer is: Harming an animal species. |
What are specialized cells in the brain that monitor the concentration of solutes in the blood called? | [
"ionconcentrate",
"osmoreceptors",
"sporozoans",
"staurikosaurus"
] | osmoreceptors | Answer the following multiple-choice question.
Question: What are specialized cells in the brain that monitor the concentration of solutes in the blood called?
Options:
A. ionconcentrate
B. osmoreceptors
C. sporozoans
D. staurikosaurus
Which option is correct and why? | The correct answer is: osmoreceptors. |
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