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stringlengths 4
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|---|---|---|---|---|
What does food help a living thing do?
|
[
"Regrows it",
"growth",
"health",
"stay warm",
"Survive",
"Reproduce",
"Walk",
"Hunt"
] |
Survive
|
Answer the following multiple-choice question.
Question: What does food help a living thing do?
Options:
A. Regrows it
B. growth
C. health
D. stay warm
E. Survive
F. Reproduce
G. Walk
H. Hunt
Which option is correct and why?
|
The correct answer is: Survive.
|
An animal needs another animal to
|
[
"fly",
"eat",
"eliminate waste",
"pass genetic information"
] |
pass genetic information
|
Answer the following multiple-choice question.
Question: An animal needs another animal to
Options:
A. fly
B. eat
C. eliminate waste
D. pass genetic information
Which option is correct and why?
|
The correct answer is: pass genetic information.
|
What can genes do?
|
[
"Give a young goat hair that looks like its mother's hair",
"Make a baby chubby",
"Make a horse break its leg",
"Attack viruses and bacteria"
] |
Give a young goat hair that looks like its mother's hair
|
Answer the following multiple-choice question.
Question: What can genes do?
Options:
A. Give a young goat hair that looks like its mother's hair
B. Make a baby chubby
C. Make a horse break its leg
D. Attack viruses and bacteria
Which option is correct and why?
|
The correct answer is: Give a young goat hair that looks like its mother's hair.
|
What is the most widely accepted theory explaining how muscle fibers contract?
|
[
"sliding tritium theory",
"sliding pigment theoery",
"sliding filament theory",
"sliding carbon theory"
] |
sliding filament theory
|
Answer the following multiple-choice question.
Question: What is the most widely accepted theory explaining how muscle fibers contract?
Options:
A. sliding tritium theory
B. sliding pigment theoery
C. sliding filament theory
D. sliding carbon theory
Which option is correct and why?
|
The correct answer is: sliding filament theory.
|
The changing of a light ray’s direction (loosely called bending) when it passes through variations in matter is called this?
|
[
"vibration",
"refraction",
"wavelength",
"resonance"
] |
refraction
|
Answer the following multiple-choice question.
Question: The changing of a light ray’s direction (loosely called bending) when it passes through variations in matter is called this?
Options:
A. vibration
B. refraction
C. wavelength
D. resonance
Which option is correct and why?
|
The correct answer is: refraction.
|
Cells like a prokaryotic cell, a eukaryotic cell has a plasma membrane, cytoplasm, and ribosomes, but a eukaryotic cell is typically larger than a prokaryotic cell, has a true nucleus (meaning its dna is surrounded by a membrane), and has other membrane-bound organelles that allow for what?
|
[
"compartmentalization of functions",
"replicating of functions",
"misuse of functions",
"scrobipalpa of functions"
] |
compartmentalization of functions
|
Answer the following multiple-choice question.
Question: Cells like a prokaryotic cell, a eukaryotic cell has a plasma membrane, cytoplasm, and ribosomes, but a eukaryotic cell is typically larger than a prokaryotic cell, has a true nucleus (meaning its dna is surrounded by a membrane), and has other membrane-bound organelles that allow for what?
Options:
A. compartmentalization of functions
B. replicating of functions
C. misuse of functions
D. scrobipalpa of functions
Which option is correct and why?
|
The correct answer is: compartmentalization of functions.
|
What is a group of lions called?
|
[
"bevy",
"pride",
"coven",
"herd"
] |
pride
|
Answer the following multiple-choice question.
Question: What is a group of lions called?
Options:
A. bevy
B. pride
C. coven
D. herd
Which option is correct and why?
|
The correct answer is: pride.
|
One of the most advanced uses of what in medicine is the positron emission tomography scanner, which detects the activity in the body of a very small injection of radioactive glucose?
|
[
"membranes",
"quarks",
"radioisotopes",
"radionuclides"
] |
radioisotopes
|
Answer the following multiple-choice question.
Question: One of the most advanced uses of what in medicine is the positron emission tomography scanner, which detects the activity in the body of a very small injection of radioactive glucose?
Options:
A. membranes
B. quarks
C. radioisotopes
D. radionuclides
Which option is correct and why?
|
The correct answer is: radioisotopes.
|
What will happen to a badge in the sun?
|
[
"body temperature reduces",
"Warm air moving into cold air",
"reflecting light",
"They may not survive.",
"heat is produced",
"depress neuronal excitability",
"it will absorb solar energy",
"It gets heated up"
] |
it will absorb solar energy
|
Answer the following multiple-choice question.
Question: What will happen to a badge in the sun?
Options:
A. body temperature reduces
B. Warm air moving into cold air
C. reflecting light
D. They may not survive.
E. heat is produced
F. depress neuronal excitability
G. it will absorb solar energy
H. It gets heated up
Which option is correct and why?
|
The correct answer is: it will absorb solar energy.
|
Glacier melt
|
[
"is an effect of too many polar bears",
"is an effect of an abundance of CO2 in the environment",
"is an effect of deforestation",
"is an effect of oxygen saturation"
] |
is an effect of an abundance of CO2 in the environment
|
Answer the following multiple-choice question.
Question: Glacier melt
Options:
A. is an effect of too many polar bears
B. is an effect of an abundance of CO2 in the environment
C. is an effect of deforestation
D. is an effect of oxygen saturation
Which option is correct and why?
|
The correct answer is: is an effect of an abundance of CO2 in the environment.
|
deserts are known for having what type of climates?
|
[
"scorching",
"comfortable",
"average temps",
"lush"
] |
scorching
|
Answer the following multiple-choice question.
Question: deserts are known for having what type of climates?
Options:
A. scorching
B. comfortable
C. average temps
D. lush
Which option is correct and why?
|
The correct answer is: scorching.
|
What is the name of the sugar that plants produce to be used as food?
|
[
"chlorophyll",
"glucose",
"glucosamine",
"insulin"
] |
glucose
|
Answer the following multiple-choice question.
Question: What is the name of the sugar that plants produce to be used as food?
Options:
A. chlorophyll
B. glucose
C. glucosamine
D. insulin
Which option is correct and why?
|
The correct answer is: glucose.
|
A genetic molecule is called dna, which stands for this?
|
[
"deoxyribonucleic acid",
"dark nitrogen amine",
"di-nitrous ammonia",
"dense ribonucleic acid"
] |
deoxyribonucleic acid
|
Answer the following multiple-choice question.
Question: A genetic molecule is called dna, which stands for this?
Options:
A. deoxyribonucleic acid
B. dark nitrogen amine
C. di-nitrous ammonia
D. dense ribonucleic acid
Which option is correct and why?
|
The correct answer is: deoxyribonucleic acid.
|
What kind of structure do purines have?
|
[
"double ring structure",
"triple ring structure",
"single ring structure",
"helical stucture"
] |
double ring structure
|
Answer the following multiple-choice question.
Question: What kind of structure do purines have?
Options:
A. double ring structure
B. triple ring structure
C. single ring structure
D. helical stucture
Which option is correct and why?
|
The correct answer is: double ring structure.
|
Some of these creatures with fluffy butts live in grassy areas
|
[
"snakes",
"doe",
"scorpions",
"turtles"
] |
doe
|
Answer the following multiple-choice question.
Question: Some of these creatures with fluffy butts live in grassy areas
Options:
A. snakes
B. doe
C. scorpions
D. turtles
Which option is correct and why?
|
The correct answer is: doe.
|
What does condensation cause?
|
[
"water",
"emptiness",
"sandstorms",
"guilt",
"heat",
"rain",
"gas",
"H20"
] |
rain
|
Answer the following multiple-choice question.
Question: What does condensation cause?
Options:
A. water
B. emptiness
C. sandstorms
D. guilt
E. heat
F. rain
G. gas
H. H20
Which option is correct and why?
|
The correct answer is: rain.
|
What can happen spontaneously or as a result of mutagens in the environment?
|
[
"mutations",
"combustion",
"traits",
"lesions"
] |
mutations
|
Answer the following multiple-choice question.
Question: What can happen spontaneously or as a result of mutagens in the environment?
Options:
A. mutations
B. combustion
C. traits
D. lesions
Which option is correct and why?
|
The correct answer is: mutations.
|
What can cause an aneurysm?
|
[
"smoking",
"infection",
"bacteria",
"viruses",
"Pollution",
"steroids",
"influenza",
"rays or beams"
] |
infection
|
Answer the following multiple-choice question.
Question: What can cause an aneurysm?
Options:
A. smoking
B. infection
C. bacteria
D. viruses
E. Pollution
F. steroids
G. influenza
H. rays or beams
Which option is correct and why?
|
The correct answer is: infection.
|
In what unit is frequency measured in?
|
[
"gram",
"hertz",
"centimeter",
"mole"
] |
hertz
|
Answer the following multiple-choice question.
Question: In what unit is frequency measured in?
Options:
A. gram
B. hertz
C. centimeter
D. mole
Which option is correct and why?
|
The correct answer is: hertz.
|
The types of white blood cells that arrive at an inflamed site depend on the nature of what?
|
[
"skin color",
"blood type",
"genes",
"injury or infection"
] |
injury or infection
|
Answer the following multiple-choice question.
Question: The types of white blood cells that arrive at an inflamed site depend on the nature of what?
Options:
A. skin color
B. blood type
C. genes
D. injury or infection
Which option is correct and why?
|
The correct answer is: injury or infection.
|
If a sunbeam shoots through a rainstorm,
|
[
"hues show up",
"fields are burned",
"trees blow up",
"mice grow up"
] |
hues show up
|
Answer the following multiple-choice question.
Question: If a sunbeam shoots through a rainstorm,
Options:
A. hues show up
B. fields are burned
C. trees blow up
D. mice grow up
Which option is correct and why?
|
The correct answer is: hues show up.
|
If a weed is pulled then the weed is what?
|
[
"fruitful",
"terminated",
"functioning",
"ugly"
] |
terminated
|
Answer the following multiple-choice question.
Question: If a weed is pulled then the weed is what?
Options:
A. fruitful
B. terminated
C. functioning
D. ugly
Which option is correct and why?
|
The correct answer is: terminated.
|
if a cloud deposits its contents to the earth, which of these may be true?
|
[
"the moon will shine brighter",
"the open fair will be a success",
"the river will dry up",
"the farmers would rejoice"
] |
the farmers would rejoice
|
Answer the following multiple-choice question.
Question: if a cloud deposits its contents to the earth, which of these may be true?
Options:
A. the moon will shine brighter
B. the open fair will be a success
C. the river will dry up
D. the farmers would rejoice
Which option is correct and why?
|
The correct answer is: the farmers would rejoice.
|
A plant that forms special tissues for storing water in an arid climate is an example of the plant evolving what?
|
[
"additions",
"divergence",
"adaptations",
"consciousness"
] |
adaptations
|
Answer the following multiple-choice question.
Question: A plant that forms special tissues for storing water in an arid climate is an example of the plant evolving what?
Options:
A. additions
B. divergence
C. adaptations
D. consciousness
Which option is correct and why?
|
The correct answer is: adaptations.
|
Ash that enters the air naturally as a result of a volcano eruption is classified as what kind of pollutant?
|
[
"secondary pollutant",
"thick pollutant",
"natural pollutant",
"primary pollutant"
] |
primary pollutant
|
Answer the following multiple-choice question.
Question: Ash that enters the air naturally as a result of a volcano eruption is classified as what kind of pollutant?
Options:
A. secondary pollutant
B. thick pollutant
C. natural pollutant
D. primary pollutant
Which option is correct and why?
|
The correct answer is: primary pollutant.
|
What is the number placed in front of a chemical symbol or formula that shows how many atoms or molecules of the substance are involved in the reaction?
|
[
"frequency",
"note",
"coefficient",
"requirement"
] |
coefficient
|
Answer the following multiple-choice question.
Question: What is the number placed in front of a chemical symbol or formula that shows how many atoms or molecules of the substance are involved in the reaction?
Options:
A. frequency
B. note
C. coefficient
D. requirement
Which option is correct and why?
|
The correct answer is: coefficient.
|
Unlike plants, animal species rely almost exclusively on what type of reproduction?
|
[
"sexual reproduction",
"multiplication",
"regeneration",
"pollination"
] |
sexual reproduction
|
Answer the following multiple-choice question.
Question: Unlike plants, animal species rely almost exclusively on what type of reproduction?
Options:
A. sexual reproduction
B. multiplication
C. regeneration
D. pollination
Which option is correct and why?
|
The correct answer is: sexual reproduction.
|
What property of toluene and xylene makes them important in the chemical industry?
|
[
"excess property",
"isolate property",
"solvent property",
"corrosive property"
] |
solvent property
|
Answer the following multiple-choice question.
Question: What property of toluene and xylene makes them important in the chemical industry?
Options:
A. excess property
B. isolate property
C. solvent property
D. corrosive property
Which option is correct and why?
|
The correct answer is: solvent property.
|
What is the term for matter that does not let any light pass through it, whether it absorbs light, reflects light, or does both?
|
[
"artificial",
"devoid",
"obscene",
"opaque"
] |
opaque
|
Answer the following multiple-choice question.
Question: What is the term for matter that does not let any light pass through it, whether it absorbs light, reflects light, or does both?
Options:
A. artificial
B. devoid
C. obscene
D. opaque
Which option is correct and why?
|
The correct answer is: opaque.
|
condensation is a stage in what cycle process?
|
[
"h2o",
"space",
"solar",
"fire"
] |
h2o
|
Answer the following multiple-choice question.
Question: condensation is a stage in what cycle process?
Options:
A. h2o
B. space
C. solar
D. fire
Which option is correct and why?
|
The correct answer is: h2o.
|
The lungs are a series of ever-narrowing tubes that end in a myriad of tiny sacs called what?
|
[
"testes",
"alveoli",
"brachii",
"glands"
] |
alveoli
|
Answer the following multiple-choice question.
Question: The lungs are a series of ever-narrowing tubes that end in a myriad of tiny sacs called what?
Options:
A. testes
B. alveoli
C. brachii
D. glands
Which option is correct and why?
|
The correct answer is: alveoli.
|
What age group can intend to cause harm and pain?
|
[
"if humans disturb bears",
"Adults only",
"Children only",
"barks and snarls",
"Neither",
"resistance activities",
"Both children and adults",
"destroying trees"
] |
Both children and adults
|
Answer the following multiple-choice question.
Question: What age group can intend to cause harm and pain?
Options:
A. if humans disturb bears
B. Adults only
C. Children only
D. barks and snarls
E. Neither
F. resistance activities
G. Both children and adults
H. destroying trees
Which option is correct and why?
|
The correct answer is: Both children and adults.
|
What can cause phase changes?
|
[
"sweating",
"constant temperatures",
"heat or cold",
"global warming",
"observation",
"climate",
"scattered light",
"nothing"
] |
heat or cold
|
Answer the following multiple-choice question.
Question: What can cause phase changes?
Options:
A. sweating
B. constant temperatures
C. heat or cold
D. global warming
E. observation
F. climate
G. scattered light
H. nothing
Which option is correct and why?
|
The correct answer is: heat or cold.
|
Every chemical reaction between molecules involves breaking and forming of what?
|
[
"atomic pathways",
"bonds",
"orbits",
"ions"
] |
bonds
|
Answer the following multiple-choice question.
Question: Every chemical reaction between molecules involves breaking and forming of what?
Options:
A. atomic pathways
B. bonds
C. orbits
D. ions
Which option is correct and why?
|
The correct answer is: bonds.
|
What affects all plants and animals as the Earth revolves around the sun?
|
[
"starlight",
"cool breezes",
"global warming",
"electromagnetic energy",
"moisture levels",
"fossil fuels",
"temperature",
"weather changes"
] |
weather changes
|
Answer the following multiple-choice question.
Question: What affects all plants and animals as the Earth revolves around the sun?
Options:
A. starlight
B. cool breezes
C. global warming
D. electromagnetic energy
E. moisture levels
F. fossil fuels
G. temperature
H. weather changes
Which option is correct and why?
|
The correct answer is: weather changes.
|
null | null | null | null | null |
The melting point of a duck would be
|
[
"higher than the body temps",
"lower than a refrigerator",
"higher than the sun's",
"lower than a freezer's"
] |
higher than the body temps
|
Answer the following multiple-choice question.
Question: The melting point of a duck would be
Options:
A. higher than the body temps
B. lower than a refrigerator
C. higher than the sun's
D. lower than a freezer's
Which option is correct and why?
|
The correct answer is: higher than the body temps.
|
A bird that weighs twenty pounds will fly easier than a bird that weighs
|
[
"twenty four pounds",
"ten pounds",
"seventeen pounds",
"twelve pounds"
] |
twenty four pounds
|
Answer the following multiple-choice question.
Question: A bird that weighs twenty pounds will fly easier than a bird that weighs
Options:
A. twenty four pounds
B. ten pounds
C. seventeen pounds
D. twelve pounds
Which option is correct and why?
|
The correct answer is: twenty four pounds.
|
What is the nervous tissue in the brain and in the rest of the nervous system made up of?
|
[
"electrons",
"ions",
"plastic",
"neurons"
] |
neurons
|
Answer the following multiple-choice question.
Question: What is the nervous tissue in the brain and in the rest of the nervous system made up of?
Options:
A. electrons
B. ions
C. plastic
D. neurons
Which option is correct and why?
|
The correct answer is: neurons.
|
What is the medical process of removing wastes and excess water from the blood by diffusion and ultrafiltration called?
|
[
"digestion",
"arthritis",
"tumors",
"dialysis"
] |
dialysis
|
Answer the following multiple-choice question.
Question: What is the medical process of removing wastes and excess water from the blood by diffusion and ultrafiltration called?
Options:
A. digestion
B. arthritis
C. tumors
D. dialysis
Which option is correct and why?
|
The correct answer is: dialysis.
|
if a person wanted to hunt down some deer, which of these would be the wrong place to visit?
|
[
"the local hunting reservation",
"a known national reservation",
"an uncharted wilderness region",
"a natural unregulated forest"
] |
a known national reservation
|
Answer the following multiple-choice question.
Question: if a person wanted to hunt down some deer, which of these would be the wrong place to visit?
Options:
A. the local hunting reservation
B. a known national reservation
C. an uncharted wilderness region
D. a natural unregulated forest
Which option is correct and why?
|
The correct answer is: a known national reservation.
|
which one of these is approximately opposite in acquisition to doing chores?
|
[
"instinctive behavior",
"cleaning the yard",
"mowing the lawn",
"washing the dishes"
] |
instinctive behavior
|
Answer the following multiple-choice question.
Question: which one of these is approximately opposite in acquisition to doing chores?
Options:
A. instinctive behavior
B. cleaning the yard
C. mowing the lawn
D. washing the dishes
Which option is correct and why?
|
The correct answer is: instinctive behavior.
|
Radioisotopes may vary greatly in their rate of decay, decaying faster if their nuclei are more what?
|
[
"unstable",
"immature",
"stable",
"mature"
] |
unstable
|
Answer the following multiple-choice question.
Question: Radioisotopes may vary greatly in their rate of decay, decaying faster if their nuclei are more what?
Options:
A. unstable
B. immature
C. stable
D. mature
Which option is correct and why?
|
The correct answer is: unstable.
|
Breaking a vase changes its
|
[
"center of gravity",
"shape and mass",
"chemical composition",
"speed"
] |
shape and mass
|
Answer the following multiple-choice question.
Question: Breaking a vase changes its
Options:
A. center of gravity
B. shape and mass
C. chemical composition
D. speed
Which option is correct and why?
|
The correct answer is: shape and mass.
|
Most people can survive only a few days without controlling the body's what?
|
[
"temperature",
"ideas",
"oxygen",
"menace",
"energy",
"it's state",
"Energy.",
"movement"
] |
temperature
|
Answer the following multiple-choice question.
Question: Most people can survive only a few days without controlling the body's what?
Options:
A. temperature
B. ideas
C. oxygen
D. menace
E. energy
F. it's state
G. Energy.
H. movement
Which option is correct and why?
|
The correct answer is: temperature.
|
What evidence is there that mt. everest was once at the bottom of a sea?
|
[
"glaciers",
"skulls",
"corals",
"fossils"
] |
fossils
|
Answer the following multiple-choice question.
Question: What evidence is there that mt. everest was once at the bottom of a sea?
Options:
A. glaciers
B. skulls
C. corals
D. fossils
Which option is correct and why?
|
The correct answer is: fossils.
|
The density of bone is, in part, related to the amount of what mineral in one’s diet?
|
[
"barium",
"potassium",
"nitrogen",
"calcium"
] |
calcium
|
Answer the following multiple-choice question.
Question: The density of bone is, in part, related to the amount of what mineral in one’s diet?
Options:
A. barium
B. potassium
C. nitrogen
D. calcium
Which option is correct and why?
|
The correct answer is: calcium.
|
Which setup likely refracts light?
|
[
"a banjo and a flute",
"two mirrors in unison",
"a cat in a hat",
"gems and glowlights arranged precisely"
] |
gems and glowlights arranged precisely
|
Answer the following multiple-choice question.
Question: Which setup likely refracts light?
Options:
A. a banjo and a flute
B. two mirrors in unison
C. a cat in a hat
D. gems and glowlights arranged precisely
Which option is correct and why?
|
The correct answer is: gems and glowlights arranged precisely.
|
Funerals are common occurrences after
|
[
"a routine doctor's appointment",
"a person has ceased taking in oxygen and pumping blood thru their system",
"a person is declared in remission from cancer",
"a person has had a big lunch"
] |
a person has ceased taking in oxygen and pumping blood thru their system
|
Answer the following multiple-choice question.
Question: Funerals are common occurrences after
Options:
A. a routine doctor's appointment
B. a person has ceased taking in oxygen and pumping blood thru their system
C. a person is declared in remission from cancer
D. a person has had a big lunch
Which option is correct and why?
|
The correct answer is: a person has ceased taking in oxygen and pumping blood thru their system.
|
What is the term for an amount of force pushing against a given area?
|
[
"force",
"mass",
"resistance",
"pressure"
] |
pressure
|
Answer the following multiple-choice question.
Question: What is the term for an amount of force pushing against a given area?
Options:
A. force
B. mass
C. resistance
D. pressure
Which option is correct and why?
|
The correct answer is: pressure.
|
loud noises can cause hamsters to deliver quite a what?
|
[
"deadly",
"package",
"lecture",
"delivery",
"rabies",
"bite",
"Injury",
"food"
] |
bite
|
Answer the following multiple-choice question.
Question: loud noises can cause hamsters to deliver quite a what?
Options:
A. deadly
B. package
C. lecture
D. delivery
E. rabies
F. bite
G. Injury
H. food
Which option is correct and why?
|
The correct answer is: bite.
|
If the earth were small enough to put on a plate and serve up for dinner, the being eating it would get mouthfuls of
|
[
"stew",
"towels",
"stone",
"corn"
] |
stone
|
Answer the following multiple-choice question.
Question: If the earth were small enough to put on a plate and serve up for dinner, the being eating it would get mouthfuls of
Options:
A. stew
B. towels
C. stone
D. corn
Which option is correct and why?
|
The correct answer is: stone.
|
Oscillations in the transcription of certain genes are at the heart of the molecular mechanisms underlying what biological rhythms?
|
[
"brain rhythms",
"circadian rhythms",
"reproductive rhythms",
"metastasis rhythms"
] |
circadian rhythms
|
Answer the following multiple-choice question.
Question: Oscillations in the transcription of certain genes are at the heart of the molecular mechanisms underlying what biological rhythms?
Options:
A. brain rhythms
B. circadian rhythms
C. reproductive rhythms
D. metastasis rhythms
Which option is correct and why?
|
The correct answer is: circadian rhythms.
|
What group makes up the majority of multicellular eukaryotes?
|
[
"Most plants",
"solid, liquid, gas",
"orchids",
"Plant reproduction",
"Veins and arteries.",
"passenger pigeons",
"Invertebrates",
"insects"
] |
Invertebrates
|
Answer the following multiple-choice question.
Question: What group makes up the majority of multicellular eukaryotes?
Options:
A. Most plants
B. solid, liquid, gas
C. orchids
D. Plant reproduction
E. Veins and arteries.
F. passenger pigeons
G. Invertebrates
H. insects
Which option is correct and why?
|
The correct answer is: Invertebrates.
|
What type of isotopes have short half-lives and are given in very low doses?
|
[
"radionuclides",
"gasses",
"stable isotopes",
"radioisotopes"
] |
radioisotopes
|
Answer the following multiple-choice question.
Question: What type of isotopes have short half-lives and are given in very low doses?
Options:
A. radionuclides
B. gasses
C. stable isotopes
D. radioisotopes
Which option is correct and why?
|
The correct answer is: radioisotopes.
|
Biochemical reactions are optimal at physiological temperatures because many what lose function at lower and higher temperatures?
|
[
"hormones",
"neurons",
"carbohydrates",
"enzymes"
] |
enzymes
|
Answer the following multiple-choice question.
Question: Biochemical reactions are optimal at physiological temperatures because many what lose function at lower and higher temperatures?
Options:
A. hormones
B. neurons
C. carbohydrates
D. enzymes
Which option is correct and why?
|
The correct answer is: enzymes.
|
How does alcohol expand over a wide range of temperatures?
|
[
"exponentially",
"variably",
"uniformly",
"erratically"
] |
uniformly
|
Answer the following multiple-choice question.
Question: How does alcohol expand over a wide range of temperatures?
Options:
A. exponentially
B. variably
C. uniformly
D. erratically
Which option is correct and why?
|
The correct answer is: uniformly.
|
what can produce electricity?
|
[
"rivers",
"animal transport",
"tidal caves",
"Nematoda",
"rays or beams",
"animals",
"cactuses",
"photons"
] |
tidal caves
|
Answer the following multiple-choice question.
Question: what can produce electricity?
Options:
A. rivers
B. animal transport
C. tidal caves
D. Nematoda
E. rays or beams
F. animals
G. cactuses
H. photons
Which option is correct and why?
|
The correct answer is: tidal caves.
|
aging occurs because of a loss of what?
|
[
"wrinkles",
"the skin",
"mitosis",
"glucose",
"eyesight",
"density",
"Energy",
"alleles"
] |
mitosis
|
Answer the following multiple-choice question.
Question: aging occurs because of a loss of what?
Options:
A. wrinkles
B. the skin
C. mitosis
D. glucose
E. eyesight
F. density
G. Energy
H. alleles
Which option is correct and why?
|
The correct answer is: mitosis.
|
What release oxygen during the day but not at night?
|
[
"sea anenomes",
"Organic compounds",
"orange trees",
"coral",
"power stations",
"humans",
"swamp vegetation",
"important habitats"
] |
orange trees
|
Answer the following multiple-choice question.
Question: What release oxygen during the day but not at night?
Options:
A. sea anenomes
B. Organic compounds
C. orange trees
D. coral
E. power stations
F. humans
G. swamp vegetation
H. important habitats
Which option is correct and why?
|
The correct answer is: orange trees.
|
In mammals, the cells on the exterior form the trophectoderm, which goes on to form what?
|
[
"cardiac tissues",
"extraembryonic tissues",
"aeroponics tissues",
"protoplanetary tissues"
] |
extraembryonic tissues
|
Answer the following multiple-choice question.
Question: In mammals, the cells on the exterior form the trophectoderm, which goes on to form what?
Options:
A. cardiac tissues
B. extraembryonic tissues
C. aeroponics tissues
D. protoplanetary tissues
Which option is correct and why?
|
The correct answer is: extraembryonic tissues.
|
How are organisms able to grow and repair their cells?
|
[
"hospitalization",
"orchids",
"cell care",
"fungi",
"growth cells",
"mitosis",
"recovery",
"recycling"
] |
mitosis
|
Answer the following multiple-choice question.
Question: How are organisms able to grow and repair their cells?
Options:
A. hospitalization
B. orchids
C. cell care
D. fungi
E. growth cells
F. mitosis
G. recovery
H. recycling
Which option is correct and why?
|
The correct answer is: mitosis.
|
null | null | null | null | null |
The sun’s energy is converted to chemical energy by a what?
|
[
"plant",
"bacterium",
"mammal",
"amphibian"
] |
plant
|
Answer the following multiple-choice question.
Question: The sun’s energy is converted to chemical energy by a what?
Options:
A. plant
B. bacterium
C. mammal
D. amphibian
Which option is correct and why?
|
The correct answer is: plant.
|
This calcification prevents diffusion of nutrients into the matrix, resulting in what dying and the opening up of cavities in the diaphysis cartilage?
|
[
"keratinocytes",
"chondrocytes",
"phytocytes",
"nanoparticles"
] |
chondrocytes
|
Answer the following multiple-choice question.
Question: This calcification prevents diffusion of nutrients into the matrix, resulting in what dying and the opening up of cavities in the diaphysis cartilage?
Options:
A. keratinocytes
B. chondrocytes
C. phytocytes
D. nanoparticles
Which option is correct and why?
|
The correct answer is: chondrocytes.
|
What is scarred by a negative impact on the environment?
|
[
"mines",
"deforestation",
"skin",
"bushes",
"water",
"landscape",
"coastlines",
"clouds"
] |
landscape
|
Answer the following multiple-choice question.
Question: What is scarred by a negative impact on the environment?
Options:
A. mines
B. deforestation
C. skin
D. bushes
E. water
F. landscape
G. coastlines
H. clouds
Which option is correct and why?
|
The correct answer is: landscape.
|
If you scrape an object, small pieces or particles may break off of the object; what's an example of this?
|
[
"rubbing an emery board across your nail",
"rubbing a cloth over a counter",
"using a towel after you shower",
"wiping your chin after drinking some milk"
] |
rubbing an emery board across your nail
|
Answer the following multiple-choice question.
Question: If you scrape an object, small pieces or particles may break off of the object; what's an example of this?
Options:
A. rubbing an emery board across your nail
B. rubbing a cloth over a counter
C. using a towel after you shower
D. wiping your chin after drinking some milk
Which option is correct and why?
|
The correct answer is: rubbing an emery board across your nail.
|
what are the building blocks of DNA?
|
[
"Plants growth",
"Plant reproduction",
"Organic compounds",
"it needs them",
"Earth orbiting the Sun",
"major threat to health",
"Chemical energy",
"polynucleotides"
] |
polynucleotides
|
Answer the following multiple-choice question.
Question: what are the building blocks of DNA?
Options:
A. Plants growth
B. Plant reproduction
C. Organic compounds
D. it needs them
E. Earth orbiting the Sun
F. major threat to health
G. Chemical energy
H. polynucleotides
Which option is correct and why?
|
The correct answer is: polynucleotides.
|
Which type of muscle fiber can sustain long contractions?
|
[
"intense fibers",
"direct fibers",
"slow fibers",
"fast fibres"
] |
slow fibers
|
Answer the following multiple-choice question.
Question: Which type of muscle fiber can sustain long contractions?
Options:
A. intense fibers
B. direct fibers
C. slow fibers
D. fast fibres
Which option is correct and why?
|
The correct answer is: slow fibers.
|
When substances react with one another the sharing or transfer of what occurs?
|
[
"Energy.",
"voltage",
"heat produced",
"heat energy",
"electrons",
"a solute",
"kinetic",
"Energy"
] |
electrons
|
Answer the following multiple-choice question.
Question: When substances react with one another the sharing or transfer of what occurs?
Options:
A. Energy.
B. voltage
C. heat produced
D. heat energy
E. electrons
F. a solute
G. kinetic
H. Energy
Which option is correct and why?
|
The correct answer is: electrons.
|
Which animal requires great amounts of water to survive?
|
[
"amphibians",
"Frogs",
"bullfrogs",
"Beavers",
"Jellyfish",
"mussels",
"trout",
"sharks"
] |
Beavers
|
Answer the following multiple-choice question.
Question: Which animal requires great amounts of water to survive?
Options:
A. amphibians
B. Frogs
C. bullfrogs
D. Beavers
E. Jellyfish
F. mussels
G. trout
H. sharks
Which option is correct and why?
|
The correct answer is: Beavers.
|
What are named for their “spiny skin”?
|
[
"amphibians",
"echinoderms",
"reptiles",
"arachnids"
] |
echinoderms
|
Answer the following multiple-choice question.
Question: What are named for their “spiny skin”?
Options:
A. amphibians
B. echinoderms
C. reptiles
D. arachnids
Which option is correct and why?
|
The correct answer is: echinoderms.
|
Intelligence is primarily encoded in what?
|
[
"Man",
"RNA",
"SNPs",
"p53",
"deep set eyes",
"reading glasses",
"DNA",
"python code"
] |
DNA
|
Answer the following multiple-choice question.
Question: Intelligence is primarily encoded in what?
Options:
A. Man
B. RNA
C. SNPs
D. p53
E. deep set eyes
F. reading glasses
G. DNA
H. python code
Which option is correct and why?
|
The correct answer is: DNA.
|
Name the one metal that melts below room temperature?
|
[
"gold",
"bronze",
"aluminum",
"mercury"
] |
mercury
|
Answer the following multiple-choice question.
Question: Name the one metal that melts below room temperature?
Options:
A. gold
B. bronze
C. aluminum
D. mercury
Which option is correct and why?
|
The correct answer is: mercury.
|
null | null | null | null | null |
Besides the inner membrane, where are many respiratory enzymes found?
|
[
"the matrix",
"golgi apparatus",
"cytoplasm",
"alveoli"
] |
the matrix
|
Answer the following multiple-choice question.
Question: Besides the inner membrane, where are many respiratory enzymes found?
Options:
A. the matrix
B. golgi apparatus
C. cytoplasm
D. alveoli
Which option is correct and why?
|
The correct answer is: the matrix.
|
what do viruses often infect?
|
[
"prokaryotes",
"mammals",
"dead h2o particles",
"volume",
"insects",
"A computer",
"the skin",
"clouds"
] |
prokaryotes
|
Answer the following multiple-choice question.
Question: what do viruses often infect?
Options:
A. prokaryotes
B. mammals
C. dead h2o particles
D. volume
E. insects
F. A computer
G. the skin
H. clouds
Which option is correct and why?
|
The correct answer is: prokaryotes.
|
What type of blood cells transport oxygen to the tissues so they can function?
|
[
"mutated blood cells",
"red blood cells",
"depleted blood cells",
"white blood cells"
] |
red blood cells
|
Answer the following multiple-choice question.
Question: What type of blood cells transport oxygen to the tissues so they can function?
Options:
A. mutated blood cells
B. red blood cells
C. depleted blood cells
D. white blood cells
Which option is correct and why?
|
The correct answer is: red blood cells.
|
What do dying cells do?
|
[
"Move to another area",
"survival",
"accumulate waste",
"harm them",
"kill them",
"They may not survive.",
"keeps the organism warm",
"forest is destroyed"
] |
accumulate waste
|
Answer the following multiple-choice question.
Question: What do dying cells do?
Options:
A. Move to another area
B. survival
C. accumulate waste
D. harm them
E. kill them
F. They may not survive.
G. keeps the organism warm
H. forest is destroyed
Which option is correct and why?
|
The correct answer is: accumulate waste.
|
null | null | null | null | null |
What would a polecat leave in a chair?
|
[
"poles",
"poetry",
"hair",
"dusk"
] |
hair
|
Answer the following multiple-choice question.
Question: What would a polecat leave in a chair?
Options:
A. poles
B. poetry
C. hair
D. dusk
Which option is correct and why?
|
The correct answer is: hair.
|
What kind of organisms have many different types of specialized cells with particular jobs?
|
[
"intricate",
"monocellular",
"multicellular",
"crude"
] |
multicellular
|
Answer the following multiple-choice question.
Question: What kind of organisms have many different types of specialized cells with particular jobs?
Options:
A. intricate
B. monocellular
C. multicellular
D. crude
Which option is correct and why?
|
The correct answer is: multicellular.
|
As the population grows, competition for food does what?
|
[
"stagnates",
"decreases",
"stays the same",
"grows"
] |
grows
|
Answer the following multiple-choice question.
Question: As the population grows, competition for food does what?
Options:
A. stagnates
B. decreases
C. stays the same
D. grows
Which option is correct and why?
|
The correct answer is: grows.
|
What is the force that pulls particles at the exposed surface of a liquid toward other liquid particles called?
|
[
"surface tension",
"transfer tension",
"shinking tension",
"conservative tension"
] |
surface tension
|
Answer the following multiple-choice question.
Question: What is the force that pulls particles at the exposed surface of a liquid toward other liquid particles called?
Options:
A. surface tension
B. transfer tension
C. shinking tension
D. conservative tension
Which option is correct and why?
|
The correct answer is: surface tension.
|
Adding milk to a hot pan creates
|
[
"rice",
"water",
"fairies",
"curds"
] |
curds
|
Answer the following multiple-choice question.
Question: Adding milk to a hot pan creates
Options:
A. rice
B. water
C. fairies
D. curds
Which option is correct and why?
|
The correct answer is: curds.
|
A burrito needs to be cooked so it
|
[
"has heat removed",
"is made hollow",
"is burned black",
"has heat applied"
] |
has heat applied
|
Answer the following multiple-choice question.
Question: A burrito needs to be cooked so it
Options:
A. has heat removed
B. is made hollow
C. is burned black
D. has heat applied
Which option is correct and why?
|
The correct answer is: has heat applied.
|
what are genes coded on?
|
[
"nucleus",
"cell walls",
"A computer",
"Most plants",
"A Greek letter",
"pollen",
"ribosomes",
"DNA strands"
] |
DNA strands
|
Answer the following multiple-choice question.
Question: what are genes coded on?
Options:
A. nucleus
B. cell walls
C. A computer
D. Most plants
E. A Greek letter
F. pollen
G. ribosomes
H. DNA strands
Which option is correct and why?
|
The correct answer is: DNA strands.
|
Where do organic molecules in beef store energy?
|
[
"it needs them",
"chemical bonds",
"fur and fat",
"aqueous solution",
"sunlight",
"It gets heated up",
"glucose",
"layers of fat"
] |
chemical bonds
|
Answer the following multiple-choice question.
Question: Where do organic molecules in beef store energy?
Options:
A. it needs them
B. chemical bonds
C. fur and fat
D. aqueous solution
E. sunlight
F. It gets heated up
G. glucose
H. layers of fat
Which option is correct and why?
|
The correct answer is: chemical bonds.
|
The dna is wound around proteins called what?
|
[
"pepsins",
"nucleotides",
"histones",
"leptons"
] |
histones
|
Answer the following multiple-choice question.
Question: The dna is wound around proteins called what?
Options:
A. pepsins
B. nucleotides
C. histones
D. leptons
Which option is correct and why?
|
The correct answer is: histones.
|
Original atoms are called what type of isotopes?
|
[
"offspring",
"parent",
"component",
"product"
] |
parent
|
Answer the following multiple-choice question.
Question: Original atoms are called what type of isotopes?
Options:
A. offspring
B. parent
C. component
D. product
Which option is correct and why?
|
The correct answer is: parent.
|
Cephalization refers to the development of what anatomical region, which evolved at the same time as bilateral symmetry in animals?
|
[
"heart",
"tail",
"chest",
"head"
] |
head
|
Answer the following multiple-choice question.
Question: Cephalization refers to the development of what anatomical region, which evolved at the same time as bilateral symmetry in animals?
Options:
A. heart
B. tail
C. chest
D. head
Which option is correct and why?
|
The correct answer is: head.
|
How can we see that refracting sunlight causes light to split into different colors?
|
[
"shining a light at a mirror",
"letting sunlight hit a broken mirror",
"setting a diamond outside on a bright day",
"shining a flashlight at broken glass on the floor"
] |
setting a diamond outside on a bright day
|
Answer the following multiple-choice question.
Question: How can we see that refracting sunlight causes light to split into different colors?
Options:
A. shining a light at a mirror
B. letting sunlight hit a broken mirror
C. setting a diamond outside on a bright day
D. shining a flashlight at broken glass on the floor
Which option is correct and why?
|
The correct answer is: setting a diamond outside on a bright day.
|
Cells cannot live without what commonly occuring element found on Earth?
|
[
"Air",
"matter",
"Light",
"fossil fuel",
"oxygen",
"carbon",
"sunlight",
"water"
] |
oxygen
|
Answer the following multiple-choice question.
Question: Cells cannot live without what commonly occuring element found on Earth?
Options:
A. Air
B. matter
C. Light
D. fossil fuel
E. oxygen
F. carbon
G. sunlight
H. water
Which option is correct and why?
|
The correct answer is: oxygen.
|
What are lipids that contain phosphorus called?
|
[
"amino acids",
"phospholipids",
"alkaloids",
"eukaryotes"
] |
phospholipids
|
Answer the following multiple-choice question.
Question: What are lipids that contain phosphorus called?
Options:
A. amino acids
B. phospholipids
C. alkaloids
D. eukaryotes
Which option is correct and why?
|
The correct answer is: phospholipids.
|
A person going home would head
|
[
"to a cow",
"to a moon",
"to a jail",
"to a duplex"
] |
to a duplex
|
Answer the following multiple-choice question.
Question: A person going home would head
Options:
A. to a cow
B. to a moon
C. to a jail
D. to a duplex
Which option is correct and why?
|
The correct answer is: to a duplex.
|
Maggots eat flesh turning it into
|
[
"dryer",
"nourishment for soil",
"rancid",
"deadlier"
] |
nourishment for soil
|
Answer the following multiple-choice question.
Question: Maggots eat flesh turning it into
Options:
A. dryer
B. nourishment for soil
C. rancid
D. deadlier
Which option is correct and why?
|
The correct answer is: nourishment for soil.
|
Nuclear reactions in stars causes stars to produce
|
[
"an object",
"power",
"our star",
"heat",
"warmth",
"photons",
"energy",
"nucleus"
] |
photons
|
Answer the following multiple-choice question.
Question: Nuclear reactions in stars causes stars to produce
Options:
A. an object
B. power
C. our star
D. heat
E. warmth
F. photons
G. energy
H. nucleus
Which option is correct and why?
|
The correct answer is: photons.
|
Well suited to absorb water and dissolved minerals from the soil, thin-walled dermal cells and tiny hairs cover what basic plant structures?
|
[
"roots",
"flowers",
"leaves",
"stems"
] |
roots
|
Answer the following multiple-choice question.
Question: Well suited to absorb water and dissolved minerals from the soil, thin-walled dermal cells and tiny hairs cover what basic plant structures?
Options:
A. roots
B. flowers
C. leaves
D. stems
Which option is correct and why?
|
The correct answer is: roots.
|
The cells that produce antibodies are key in what system?
|
[
"health",
"T cells",
"vision",
"humans",
"macrophages",
"B cells",
"disease",
"immune"
] |
immune
|
Answer the following multiple-choice question.
Question: The cells that produce antibodies are key in what system?
Options:
A. health
B. T cells
C. vision
D. humans
E. macrophages
F. B cells
G. disease
H. immune
Which option is correct and why?
|
The correct answer is: immune.
|
What happens to evolution when equilibrium is reached within the genes of the population?
|
[
"it goes backwards",
"it accelerates",
"it starts over",
"it stops occurring"
] |
it stops occurring
|
Answer the following multiple-choice question.
Question: What happens to evolution when equilibrium is reached within the genes of the population?
Options:
A. it goes backwards
B. it accelerates
C. it starts over
D. it stops occurring
Which option is correct and why?
|
The correct answer is: it stops occurring.
|
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