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stringlengths 4
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|---|---|---|---|---|---|
What aspect of light changes when it passes from air into a prism?
|
[
"power",
"seasons",
"speed",
"energy",
"a wave",
"Joules",
"heat",
"unique"
] |
speed
|
Answer the following multiple-choice question.
Question: What aspect of light changes when it passes from air into a prism?
Options:
A. power
B. seasons
C. speed
D. energy
E. a wave
F. Joules
G. heat
H. unique
Which option is correct and why?
|
The correct answer is: speed.
|
C
|
Leaves that keep the plant from what are used for storing water by some plants?
|
[
"drying out",
"absorbing liquid",
"bacteria",
"cold air",
"staying damp",
"dormant state",
"toxins",
"keeping moist"
] |
drying out
|
Answer the following multiple-choice question.
Question: Leaves that keep the plant from what are used for storing water by some plants?
Options:
A. drying out
B. absorbing liquid
C. bacteria
D. cold air
E. staying damp
F. dormant state
G. toxins
H. keeping moist
Which option is correct and why?
|
The correct answer is: drying out.
|
A
|
Where is the best place to shoot animals?
|
[
"national park",
"sky",
"forest",
"sea"
] |
forest
|
Answer the following multiple-choice question.
Question: Where is the best place to shoot animals?
Options:
A. national park
B. sky
C. forest
D. sea
Which option is correct and why?
|
The correct answer is: forest.
|
C
|
What does a polar bear have to insulate its body?
|
[
"white",
"Cold blood",
"Less fat",
"Warm blood",
"environment",
"Bodily water",
"Extra fat",
"Animal fur"
] |
Extra fat
|
Answer the following multiple-choice question.
Question: What does a polar bear have to insulate its body?
Options:
A. white
B. Cold blood
C. Less fat
D. Warm blood
E. environment
F. Bodily water
G. Extra fat
H. Animal fur
Which option is correct and why?
|
The correct answer is: Extra fat.
|
A
|
What are the key cells in an allergy attack?
|
[
"layers of fat",
"Lymphocytes.",
"fur and fat",
"bone cells",
"muscle cells",
"the skin",
"Red blood cells",
"animals"
] |
Lymphocytes.
|
Answer the following multiple-choice question.
Question: What are the key cells in an allergy attack?
Options:
A. layers of fat
B. Lymphocytes.
C. fur and fat
D. bone cells
E. muscle cells
F. the skin
G. Red blood cells
H. animals
Which option is correct and why?
|
The correct answer is: Lymphocytes..
|
B
|
The mass of atoms is based on the number of protons and neutrons in what?
|
[
"components",
"molecules",
"nucleus",
"electrons"
] |
nucleus
|
Answer the following multiple-choice question.
Question: The mass of atoms is based on the number of protons and neutrons in what?
Options:
A. components
B. molecules
C. nucleus
D. electrons
Which option is correct and why?
|
The correct answer is: nucleus.
|
C
|
What common sea creature can be both awake and asleep at the same time?
|
[
"sharks",
"reefs",
"dolphins",
"Whales"
] |
dolphins
|
Answer the following multiple-choice question.
Question: What common sea creature can be both awake and asleep at the same time?
Options:
A. sharks
B. reefs
C. dolphins
D. Whales
Which option is correct and why?
|
The correct answer is: dolphins.
|
C
|
what do some parasites do to their hosts?
|
[
"Move to another area",
"harm them",
"leeches",
"Damages them",
"impregnate",
"cause their death",
"They may not survive.",
"ticks"
] |
cause their death
|
Answer the following multiple-choice question.
Question: what do some parasites do to their hosts?
Options:
A. Move to another area
B. harm them
C. leeches
D. Damages them
E. impregnate
F. cause their death
G. They may not survive.
H. ticks
Which option is correct and why?
|
The correct answer is: cause their death.
|
A
|
The mantle is a layer of the Earth; what is something other than a layer?
|
[
"crust",
"inner core",
"outer core",
"lava pit"
] |
lava pit
|
Answer the following multiple-choice question.
Question: The mantle is a layer of the Earth; what is something other than a layer?
Options:
A. crust
B. inner core
C. outer core
D. lava pit
Which option is correct and why?
|
The correct answer is: lava pit.
|
D
|
what does temperature change in matter?
|
[
"Water expanding",
"Evaporation",
"it's state",
"hardness",
"kinetic energy",
"porosity",
"energy",
"brittleness"
] |
it's state
|
Answer the following multiple-choice question.
Question: what does temperature change in matter?
Options:
A. Water expanding
B. Evaporation
C. it's state
D. hardness
E. kinetic energy
F. porosity
G. energy
H. brittleness
Which option is correct and why?
|
The correct answer is: it's state.
|
C
|
What is the structure which hangs from a newly hatched salmon larva?
|
[
"stomach sac",
"yolk sac",
"liquid sac",
"air sac"
] |
yolk sac
|
Answer the following multiple-choice question.
Question: What is the structure which hangs from a newly hatched salmon larva?
Options:
A. stomach sac
B. yolk sac
C. liquid sac
D. air sac
Which option is correct and why?
|
The correct answer is: yolk sac.
|
B
|
Mammals can feed at various levels of food chains, as herbivores, insectivores, carnivores and what else?
|
[
"omnivores",
"blood eaters",
"nematodes",
"vegetarians"
] |
omnivores
|
Answer the following multiple-choice question.
Question: Mammals can feed at various levels of food chains, as herbivores, insectivores, carnivores and what else?
Options:
A. omnivores
B. blood eaters
C. nematodes
D. vegetarians
Which option is correct and why?
|
The correct answer is: omnivores.
|
A
|
What kind of radiation is observed in honeycreeper birds?
|
[
"spontaneous",
"adaptive",
"symbiotic",
"destructive"
] |
adaptive
|
Answer the following multiple-choice question.
Question: What kind of radiation is observed in honeycreeper birds?
Options:
A. spontaneous
B. adaptive
C. symbiotic
D. destructive
Which option is correct and why?
|
The correct answer is: adaptive.
|
B
|
What field studies how animals behave in their habitats?
|
[
"see details",
"sensory neurons",
"it's state",
"it needs them",
"heat or cold",
"Pesticides",
"Movement",
"ethologists"
] |
ethologists
|
Answer the following multiple-choice question.
Question: What field studies how animals behave in their habitats?
Options:
A. see details
B. sensory neurons
C. it's state
D. it needs them
E. heat or cold
F. Pesticides
G. Movement
H. ethologists
Which option is correct and why?
|
The correct answer is: ethologists.
|
A
|
what causes rocks to crack from ice expanding into openings?
|
[
"evaporation",
"In the winter",
"tropical climates",
"heat energy",
"hot, dry climates",
"moist, cold climates",
"colder weather",
"Inches or fractions of inches."
] |
moist, cold climates
|
Answer the following multiple-choice question.
Question: what causes rocks to crack from ice expanding into openings?
Options:
A. evaporation
B. In the winter
C. tropical climates
D. heat energy
E. hot, dry climates
F. moist, cold climates
G. colder weather
H. Inches or fractions of inches.
Which option is correct and why?
|
The correct answer is: moist, cold climates.
|
A
|
In the forward reaction, hydrogen and iodine combine to form what?
|
[
"ionic hydrogen",
"hydrogen ionicide",
"hydrogen iodide",
"iodinic hydrogen"
] |
hydrogen iodide
|
Answer the following multiple-choice question.
Question: In the forward reaction, hydrogen and iodine combine to form what?
Options:
A. ionic hydrogen
B. hydrogen ionicide
C. hydrogen iodide
D. iodinic hydrogen
Which option is correct and why?
|
The correct answer is: hydrogen iodide.
|
C
|
What do plants require nutrients for?
|
[
"growth",
"water vapor",
"ice",
"Energy.",
"bloom time",
"survival",
"Energy",
"hurricanes"
] |
survival
|
Answer the following multiple-choice question.
Question: What do plants require nutrients for?
Options:
A. growth
B. water vapor
C. ice
D. Energy.
E. bloom time
F. survival
G. Energy
H. hurricanes
Which option is correct and why?
|
The correct answer is: survival.
|
A
|
What is essential for evolution to occur?
|
[
"human interference",
"constant DNA information",
"biological diversity",
"the environment",
"converting mass to energy",
"changes in DNA information",
"Plant reproduction",
"unchanged DNA information"
] |
changes in DNA information
|
Answer the following multiple-choice question.
Question: What is essential for evolution to occur?
Options:
A. human interference
B. constant DNA information
C. biological diversity
D. the environment
E. converting mass to energy
F. changes in DNA information
G. Plant reproduction
H. unchanged DNA information
Which option is correct and why?
|
The correct answer is: changes in DNA information.
|
A
|
Sustained contraction of large muscles in a body leads to what?
|
[
"rapid expansion",
"increased body hair",
"prolactin release",
"recovery time from fatigue",
"increased IRA balance",
"increased pupil dilation",
"increased body strength",
"staying warm"
] |
increased body strength
|
Answer the following multiple-choice question.
Question: Sustained contraction of large muscles in a body leads to what?
Options:
A. rapid expansion
B. increased body hair
C. prolactin release
D. recovery time from fatigue
E. increased IRA balance
F. increased pupil dilation
G. increased body strength
H. staying warm
Which option is correct and why?
|
The correct answer is: increased body strength.
|
A
|
What is the name of the process in which solid food waste is passed out of the body?
|
[
"extinction",
"elimination",
"evaporation",
"regurgitation"
] |
elimination
|
Answer the following multiple-choice question.
Question: What is the name of the process in which solid food waste is passed out of the body?
Options:
A. extinction
B. elimination
C. evaporation
D. regurgitation
Which option is correct and why?
|
The correct answer is: elimination.
|
B
|
what live in large colonies and have complex social relationships.
|
[
"Insects",
"potatoes",
"plants",
"parasites",
"honeybees",
"tortoises",
"bees",
"animals"
] |
Insects
|
Answer the following multiple-choice question.
Question: what live in large colonies and have complex social relationships.
Options:
A. Insects
B. potatoes
C. plants
D. parasites
E. honeybees
F. tortoises
G. bees
H. animals
Which option is correct and why?
|
The correct answer is: Insects.
|
A
|
What can protect the body from harmful substances?
|
[
"the body's largest organ",
"layers of fat",
"Electric devices",
"bones",
"sunburns",
"hard outer covering",
"deoxyribonucleic acid",
"muscle"
] |
the body's largest organ
|
Answer the following multiple-choice question.
Question: What can protect the body from harmful substances?
Options:
A. the body's largest organ
B. layers of fat
C. Electric devices
D. bones
E. sunburns
F. hard outer covering
G. deoxyribonucleic acid
H. muscle
Which option is correct and why?
|
The correct answer is: the body's largest organ.
|
A
|
The primary output of the basal nuclei is to the thalamus, which relays that output to where?
|
[
"cerebral cortex",
"Back cortex",
"suffering cortex",
"effect cortex"
] |
cerebral cortex
|
Answer the following multiple-choice question.
Question: The primary output of the basal nuclei is to the thalamus, which relays that output to where?
Options:
A. cerebral cortex
B. Back cortex
C. suffering cortex
D. effect cortex
Which option is correct and why?
|
The correct answer is: cerebral cortex.
|
A
|
The farther an area is from the equator, what happens to the temperature?
|
[
"it stabilizes",
"it increases",
"it fluctuates",
"it gets lower"
] |
it gets lower
|
Answer the following multiple-choice question.
Question: The farther an area is from the equator, what happens to the temperature?
Options:
A. it stabilizes
B. it increases
C. it fluctuates
D. it gets lower
Which option is correct and why?
|
The correct answer is: it gets lower.
|
D
|
What can most people survive only a few days without doing?
|
[
"drinking",
"Chlorophyll",
"sweating",
"praying",
"evaporation",
"crying",
"helping",
"rest"
] |
drinking
|
Answer the following multiple-choice question.
Question: What can most people survive only a few days without doing?
Options:
A. drinking
B. Chlorophyll
C. sweating
D. praying
E. evaporation
F. crying
G. helping
H. rest
Which option is correct and why?
|
The correct answer is: drinking.
|
A
|
Animals will require moving habitats if what happens to the animal in a location?
|
[
"threatened",
"uncontrolled",
"humans disturb it",
"rain touches it",
"prey feeds it",
"animals find it",
"enormous damage to homes",
"cause their death"
] |
humans disturb it
|
Answer the following multiple-choice question.
Question: Animals will require moving habitats if what happens to the animal in a location?
Options:
A. threatened
B. uncontrolled
C. humans disturb it
D. rain touches it
E. prey feeds it
F. animals find it
G. enormous damage to homes
H. cause their death
Which option is correct and why?
|
The correct answer is: humans disturb it.
|
C
|
What is the role of the sodium ion in the neutralization reaction of sodium flouride?
|
[
"reflection ion",
"spectator ion",
"team ion",
"circuit ion"
] |
spectator ion
|
Answer the following multiple-choice question.
Question: What is the role of the sodium ion in the neutralization reaction of sodium flouride?
Options:
A. reflection ion
B. spectator ion
C. team ion
D. circuit ion
Which option is correct and why?
|
The correct answer is: spectator ion.
|
B
|
If food is being digested then it is in the body
|
[
"under foot",
"in the ear",
"in the leg",
"above the knees"
] |
above the knees
|
Answer the following multiple-choice question.
Question: If food is being digested then it is in the body
Options:
A. under foot
B. in the ear
C. in the leg
D. above the knees
Which option is correct and why?
|
The correct answer is: above the knees.
|
D
|
What does nectar attract?
|
[
"animals",
"Air",
"Light",
"Nematoda",
"pigeons",
"Insects",
"organisms",
"h20"
] |
Insects
|
Answer the following multiple-choice question.
Question: What does nectar attract?
Options:
A. animals
B. Air
C. Light
D. Nematoda
E. pigeons
F. Insects
G. organisms
H. h20
Which option is correct and why?
|
The correct answer is: Insects.
|
A
|
The substances that comprise heterogeneous mixtures can also be separated by what means?
|
[
"atmospheric",
"thermal",
"chemical",
"physical"
] |
physical
|
Answer the following multiple-choice question.
Question: The substances that comprise heterogeneous mixtures can also be separated by what means?
Options:
A. atmospheric
B. thermal
C. chemical
D. physical
Which option is correct and why?
|
The correct answer is: physical.
|
D
|
Ionic compounds contain cations and anions rather than what?
|
[
"discrete neutral molecules",
"analogous neutral molecules",
"characterized neutral molecules",
"positive molecules"
] |
discrete neutral molecules
|
Answer the following multiple-choice question.
Question: Ionic compounds contain cations and anions rather than what?
Options:
A. discrete neutral molecules
B. analogous neutral molecules
C. characterized neutral molecules
D. positive molecules
Which option is correct and why?
|
The correct answer is: discrete neutral molecules.
|
A
|
A creature lives in a portion of forested area, and only is able to live in that area. A group of bipeds begin to make their own homes in that space. The creature which originally lived there is most likely to
|
[
"share their space",
"sell that space",
"lose their space",
"fight for space"
] |
lose their space
|
Answer the following multiple-choice question.
Question: A creature lives in a portion of forested area, and only is able to live in that area. A group of bipeds begin to make their own homes in that space. The creature which originally lived there is most likely to
Options:
A. share their space
B. sell that space
C. lose their space
D. fight for space
Which option is correct and why?
|
The correct answer is: lose their space.
|
C
|
What do you call any device that makes work easier by changing a force?
|
[
"invention",
"battery",
"machine",
"technology"
] |
machine
|
Answer the following multiple-choice question.
Question: What do you call any device that makes work easier by changing a force?
Options:
A. invention
B. battery
C. machine
D. technology
Which option is correct and why?
|
The correct answer is: machine.
|
C
|
What connects the peripheral nervous system to the central nervous system?
|
[
"veins",
"wires",
"fibers",
"nerves"
] |
nerves
|
Answer the following multiple-choice question.
Question: What connects the peripheral nervous system to the central nervous system?
Options:
A. veins
B. wires
C. fibers
D. nerves
Which option is correct and why?
|
The correct answer is: nerves.
|
D
|
water stress can be from daily or seasonal what
|
[
"heat",
"negative",
"drought",
"loss",
"sweat",
"cycles",
"exercise",
"storms"
] |
cycles
|
Answer the following multiple-choice question.
Question: water stress can be from daily or seasonal what
Options:
A. heat
B. negative
C. drought
D. loss
E. sweat
F. cycles
G. exercise
H. storms
Which option is correct and why?
|
The correct answer is: cycles.
|
A
|
what do the second-largest invertebrate group have?
|
[
"shells",
"a cuticle",
"insects",
"barnacles",
"animals",
"tortoises",
"alveoli",
"honeybees"
] |
shells
|
Answer the following multiple-choice question.
Question: what do the second-largest invertebrate group have?
Options:
A. shells
B. a cuticle
C. insects
D. barnacles
E. animals
F. tortoises
G. alveoli
H. honeybees
Which option is correct and why?
|
The correct answer is: shells.
|
A
|
Which hormone is secreted by the pancreas in a human body?
|
[
"growth hormone",
"insulin",
"progesterone",
"estrogen"
] |
insulin
|
Answer the following multiple-choice question.
Question: Which hormone is secreted by the pancreas in a human body?
Options:
A. growth hormone
B. insulin
C. progesterone
D. estrogen
Which option is correct and why?
|
The correct answer is: insulin.
|
B
|
Which germ layers are essential for animal embryos to grow and develop into a body?
|
[
"keratinocytes , ectoderm , mesoderm",
"endoderm, ectoderm, mesoderm",
"histone and melatonin",
"cytoplasm and chloroplasm"
] |
endoderm, ectoderm, mesoderm
|
Answer the following multiple-choice question.
Question: Which germ layers are essential for animal embryos to grow and develop into a body?
Options:
A. keratinocytes , ectoderm , mesoderm
B. endoderm, ectoderm, mesoderm
C. histone and melatonin
D. cytoplasm and chloroplasm
Which option is correct and why?
|
The correct answer is: endoderm, ectoderm, mesoderm.
|
B
|
Vascular disorders involve problems with the flow of what?
|
[
"mucus",
"bacteria",
"saliva",
"blood"
] |
blood
|
Answer the following multiple-choice question.
Question: Vascular disorders involve problems with the flow of what?
Options:
A. mucus
B. bacteria
C. saliva
D. blood
Which option is correct and why?
|
The correct answer is: blood.
|
D
|
homeless cells grow how?
|
[
"to be non-cancerous",
"by indirect light",
"reducing acid rain",
"out of control",
"colder and wetter",
"layers of fat",
"slowly",
"in control"
] |
out of control
|
Answer the following multiple-choice question.
Question: homeless cells grow how?
Options:
A. to be non-cancerous
B. by indirect light
C. reducing acid rain
D. out of control
E. colder and wetter
F. layers of fat
G. slowly
H. in control
Which option is correct and why?
|
The correct answer is: out of control.
|
D
|
Which procedure helps modern nuclear physics convert lead into gold?
|
[
"nuclear fission",
"nuclear bombardment",
"evaporation",
"matter fusion"
] |
nuclear bombardment
|
Answer the following multiple-choice question.
Question: Which procedure helps modern nuclear physics convert lead into gold?
Options:
A. nuclear fission
B. nuclear bombardment
C. evaporation
D. matter fusion
Which option is correct and why?
|
The correct answer is: nuclear bombardment.
|
B
|
What shows that the Earth being tilted on its axis causes ones side of the Earth to receive less energy from the Sun than the other side?
|
[
"summer in the USA, winter in Australia",
"snow will be on the North Pole instead of the South Pole",
"seasonal changes take place",
"some countries are warmer than others"
] |
summer in the USA, winter in Australia
|
Answer the following multiple-choice question.
Question: What shows that the Earth being tilted on its axis causes ones side of the Earth to receive less energy from the Sun than the other side?
Options:
A. summer in the USA, winter in Australia
B. snow will be on the North Pole instead of the South Pole
C. seasonal changes take place
D. some countries are warmer than others
Which option is correct and why?
|
The correct answer is: summer in the USA, winter in Australia.
|
A
|
How many full moons are there each month
|
[
"1,000",
"twenty",
"100",
"less than two"
] |
less than two
|
Answer the following multiple-choice question.
Question: How many full moons are there each month
Options:
A. 1,000
B. twenty
C. 100
D. less than two
Which option is correct and why?
|
The correct answer is: less than two.
|
D
|
Density and pressure of air decreases with what?
|
[
"horizontal distance",
"altitude",
"temperature",
"humidity"
] |
altitude
|
Answer the following multiple-choice question.
Question: Density and pressure of air decreases with what?
Options:
A. horizontal distance
B. altitude
C. temperature
D. humidity
Which option is correct and why?
|
The correct answer is: altitude.
|
B
|
What is a hole that is dug or drilled through the ground down to an aquifer called?
|
[
"canal",
"ditch",
"moat",
"well"
] |
well
|
Answer the following multiple-choice question.
Question: What is a hole that is dug or drilled through the ground down to an aquifer called?
Options:
A. canal
B. ditch
C. moat
D. well
Which option is correct and why?
|
The correct answer is: well.
|
D
|
What are lion communities called?
|
[
"complex",
"PDAs",
"groups",
"protected",
"prides",
"murders",
"flocks",
"dangerous"
] |
prides
|
Answer the following multiple-choice question.
Question: What are lion communities called?
Options:
A. complex
B. PDAs
C. groups
D. protected
E. prides
F. murders
G. flocks
H. dangerous
Which option is correct and why?
|
The correct answer is: prides.
|
E
|
What sorts of collisions do not result in an overall loss of kinetic energy?
|
[
"elastic",
"powerful",
"soft",
"static"
] |
elastic
|
Answer the following multiple-choice question.
Question: What sorts of collisions do not result in an overall loss of kinetic energy?
Options:
A. elastic
B. powerful
C. soft
D. static
Which option is correct and why?
|
The correct answer is: elastic.
|
A
|
Just as salty taste involves perception of sodium ions in saliva, what taste correlates with presence of glucose?
|
[
"bitter",
"sour",
"sweet",
"salty"
] |
sweet
|
Answer the following multiple-choice question.
Question: Just as salty taste involves perception of sodium ions in saliva, what taste correlates with presence of glucose?
Options:
A. bitter
B. sour
C. sweet
D. salty
Which option is correct and why?
|
The correct answer is: sweet.
|
C
|
What occurs when individuals move into a population?
|
[
"resistance",
"spread flower seeds",
"rapid expansion",
"alleles move in",
"Leptospirosis",
"survival",
"competition",
"permineralization"
] |
alleles move in
|
Answer the following multiple-choice question.
Question: What occurs when individuals move into a population?
Options:
A. resistance
B. spread flower seeds
C. rapid expansion
D. alleles move in
E. Leptospirosis
F. survival
G. competition
H. permineralization
Which option is correct and why?
|
The correct answer is: alleles move in.
|
D
|
On what product might you find a reflector?
|
[
"Xbox",
"Toyota",
"Samsung",
"Apple"
] |
Toyota
|
Answer the following multiple-choice question.
Question: On what product might you find a reflector?
Options:
A. Xbox
B. Toyota
C. Samsung
D. Apple
Which option is correct and why?
|
The correct answer is: Toyota.
|
B
|
What helps pollinates plants?
|
[
"Birds",
"A quiet location",
"animals",
"Bats",
"A sandy ground",
"Severe thunderstorms",
"insects",
"Bees"
] |
Birds
|
Answer the following multiple-choice question.
Question: What helps pollinates plants?
Options:
A. Birds
B. A quiet location
C. animals
D. Bats
E. A sandy ground
F. Severe thunderstorms
G. insects
H. Bees
Which option is correct and why?
|
The correct answer is: Birds.
|
A
|
What is caused by weathering?
|
[
"Water expanding",
"fish",
"loose dirt",
"rainfall",
"Rocks",
"kale",
"farms",
"flooding"
] |
loose dirt
|
Answer the following multiple-choice question.
Question: What is caused by weathering?
Options:
A. Water expanding
B. fish
C. loose dirt
D. rainfall
E. Rocks
F. kale
G. farms
H. flooding
Which option is correct and why?
|
The correct answer is: loose dirt.
|
C
|
The sun contributes what to ecosystems?
|
[
"sun spot",
"energy",
"darkness",
"seeds",
"positive",
"photons",
"Nutrients",
"Energy."
] |
energy
|
Answer the following multiple-choice question.
Question: The sun contributes what to ecosystems?
Options:
A. sun spot
B. energy
C. darkness
D. seeds
E. positive
F. photons
G. Nutrients
H. Energy.
Which option is correct and why?
|
The correct answer is: energy.
|
B
|
What can happen to an oak's leaves when the oak grows?
|
[
"they increase in size",
"Localized damage",
"Earth revolving around the sun",
"they decrease in size",
"Exfoliation",
"The bending of a ray of light",
"they catch fire",
"they float into space"
] |
they increase in size
|
Answer the following multiple-choice question.
Question: What can happen to an oak's leaves when the oak grows?
Options:
A. they increase in size
B. Localized damage
C. Earth revolving around the sun
D. they decrease in size
E. Exfoliation
F. The bending of a ray of light
G. they catch fire
H. they float into space
Which option is correct and why?
|
The correct answer is: they increase in size.
|
A
|
When the moon is full is has a different
|
[
"size",
"weight",
"distance",
"appearance"
] |
appearance
|
Answer the following multiple-choice question.
Question: When the moon is full is has a different
Options:
A. size
B. weight
C. distance
D. appearance
Which option is correct and why?
|
The correct answer is: appearance.
|
D
|
Which of these describes a living thing?
|
[
"one thing doing nothing",
"large body of inanimate material",
"many small things working together",
"large lake of moving water"
] |
many small things working together
|
Answer the following multiple-choice question.
Question: Which of these describes a living thing?
Options:
A. one thing doing nothing
B. large body of inanimate material
C. many small things working together
D. large lake of moving water
Which option is correct and why?
|
The correct answer is: many small things working together.
|
C
|
what feeds on plankton and nonliving organic matter?
|
[
"sharks",
"digestion",
"h2o",
"fungi",
"clams",
"humans",
"animals",
"gills"
] |
clams
|
Answer the following multiple-choice question.
Question: what feeds on plankton and nonliving organic matter?
Options:
A. sharks
B. digestion
C. h2o
D. fungi
E. clams
F. humans
G. animals
H. gills
Which option is correct and why?
|
The correct answer is: clams.
|
E
|
Alcohols can be oxidized to aldehydes or _______.
|
[
"ketones",
"sugars",
"sugars",
"carbohydrates"
] |
ketones
|
Answer the following multiple-choice question.
Question: Alcohols can be oxidized to aldehydes or _______.
Options:
A. ketones
B. sugars
C. sugars
D. carbohydrates
Which option is correct and why?
|
The correct answer is: ketones.
|
A
|
Like humans, when some animals get hot, they do what in order to lower their body temperature
|
[
"spend money",
"raise blood temperature",
"fly away",
"perspire"
] |
perspire
|
Answer the following multiple-choice question.
Question: Like humans, when some animals get hot, they do what in order to lower their body temperature
Options:
A. spend money
B. raise blood temperature
C. fly away
D. perspire
Which option is correct and why?
|
The correct answer is: perspire.
|
D
|
What is it called when one or more ending digits are dropped to get the correct number of significant figures?
|
[
"rounding",
"basing",
"turning",
"scientific notation"
] |
rounding
|
Answer the following multiple-choice question.
Question: What is it called when one or more ending digits are dropped to get the correct number of significant figures?
Options:
A. rounding
B. basing
C. turning
D. scientific notation
Which option is correct and why?
|
The correct answer is: rounding.
|
A
|
Pulmonary ventilation in mammals occurs via what?
|
[
"inflammation",
"ingestion",
"osmosis",
"inhalation"
] |
inhalation
|
Answer the following multiple-choice question.
Question: Pulmonary ventilation in mammals occurs via what?
Options:
A. inflammation
B. ingestion
C. osmosis
D. inhalation
Which option is correct and why?
|
The correct answer is: inhalation.
|
D
|
Proteins, nucleic acids and chlorophyll are found in what?
|
[
"epidermis and dermis",
"lush growth and late plants",
"Microscopic organisms",
"share properties",
"small puddles and fast cars",
"small plants and big clouds",
"production of energy",
"foggy highways"
] |
lush growth and late plants
|
Answer the following multiple-choice question.
Question: Proteins, nucleic acids and chlorophyll are found in what?
Options:
A. epidermis and dermis
B. lush growth and late plants
C. Microscopic organisms
D. share properties
E. small puddles and fast cars
F. small plants and big clouds
G. production of energy
H. foggy highways
Which option is correct and why?
|
The correct answer is: lush growth and late plants.
|
B
|
what do wind and rain cause?
|
[
"coastlines",
"flooding",
"windmills",
"heat energy",
"Pollution",
"ice",
"tornadoes",
"abrasion"
] |
abrasion
|
Answer the following multiple-choice question.
Question: what do wind and rain cause?
Options:
A. coastlines
B. flooding
C. windmills
D. heat energy
E. Pollution
F. ice
G. tornadoes
H. abrasion
Which option is correct and why?
|
The correct answer is: abrasion.
|
A
|
When geese migrate in the late summer or early autumn, they
|
[
"head to less snowy areas",
"prefer to visit florida",
"take a scenic route",
"travel in small groups"
] |
head to less snowy areas
|
Answer the following multiple-choice question.
Question: When geese migrate in the late summer or early autumn, they
Options:
A. head to less snowy areas
B. prefer to visit florida
C. take a scenic route
D. travel in small groups
Which option is correct and why?
|
The correct answer is: head to less snowy areas.
|
A
|
What kind of anatomical structure consists of several types of tissues that together carry out particular functions?
|
[
"frame",
"organ",
"valve",
"system"
] |
organ
|
Answer the following multiple-choice question.
Question: What kind of anatomical structure consists of several types of tissues that together carry out particular functions?
Options:
A. frame
B. organ
C. valve
D. system
Which option is correct and why?
|
The correct answer is: organ.
|
B
|
What is the upper most level of earth's layers called?
|
[
"mantle",
"surface",
"volcanic",
"crust"
] |
crust
|
Answer the following multiple-choice question.
Question: What is the upper most level of earth's layers called?
Options:
A. mantle
B. surface
C. volcanic
D. crust
Which option is correct and why?
|
The correct answer is: crust.
|
D
|
What is the transfer of information from rna to dna called?
|
[
"reverse differentiation",
"reverse transcription",
"forward transcription",
"confront transcription"
] |
reverse transcription
|
Answer the following multiple-choice question.
Question: What is the transfer of information from rna to dna called?
Options:
A. reverse differentiation
B. reverse transcription
C. forward transcription
D. confront transcription
Which option is correct and why?
|
The correct answer is: reverse transcription.
|
B
|
Why can metals expand?
|
[
"tectonic plates being pushed together",
"they are shiny",
"flow of electrons",
"matter vibrating",
"they have large specific heats",
"they are hard",
"they can rust",
"electron transport"
] |
they have large specific heats
|
Answer the following multiple-choice question.
Question: Why can metals expand?
Options:
A. tectonic plates being pushed together
B. they are shiny
C. flow of electrons
D. matter vibrating
E. they have large specific heats
F. they are hard
G. they can rust
H. electron transport
Which option is correct and why?
|
The correct answer is: they have large specific heats.
|
E
|
Cells are the basic units allowing what in all living things
|
[
"movement",
"motion",
"produce light",
"all matter",
"rapid expansion",
"respiration",
"to stay warm",
"Animal survival"
] |
respiration
|
Answer the following multiple-choice question.
Question: Cells are the basic units allowing what in all living things
Options:
A. movement
B. motion
C. produce light
D. all matter
E. rapid expansion
F. respiration
G. to stay warm
H. Animal survival
Which option is correct and why?
|
The correct answer is: respiration.
|
A
|
What can polar bears do to generate heat?
|
[
"make fire",
"eat ice",
"stay warm",
"nothing",
"fur",
"motors",
"shiver",
"sweating"
] |
shiver
|
Answer the following multiple-choice question.
Question: What can polar bears do to generate heat?
Options:
A. make fire
B. eat ice
C. stay warm
D. nothing
E. fur
F. motors
G. shiver
H. sweating
Which option is correct and why?
|
The correct answer is: shiver.
|
A
|
what typically travels long distances?
|
[
"camels",
"humans",
"jets",
"trains",
"ants",
"dogs",
"snails",
"birds"
] |
birds
|
Answer the following multiple-choice question.
Question: what typically travels long distances?
Options:
A. camels
B. humans
C. jets
D. trains
E. ants
F. dogs
G. snails
H. birds
Which option is correct and why?
|
The correct answer is: birds.
|
A
|
Who is said to have dropped two objects of different masses from the tower of pisa?
|
[
"copernicus",
"galileo",
"newton",
"darwin"
] |
galileo
|
Answer the following multiple-choice question.
Question: Who is said to have dropped two objects of different masses from the tower of pisa?
Options:
A. copernicus
B. galileo
C. newton
D. darwin
Which option is correct and why?
|
The correct answer is: galileo.
|
B
|
What is transformed through extreme heat and pressure over time?
|
[
"corn",
"coal",
"Gases",
"moss",
"potash",
"oil",
"matter",
"energy"
] |
moss
|
Answer the following multiple-choice question.
Question: What is transformed through extreme heat and pressure over time?
Options:
A. corn
B. coal
C. Gases
D. moss
E. potash
F. oil
G. matter
H. energy
Which option is correct and why?
|
The correct answer is: moss.
|
D
|
What is it considered when menstruation stops before age 40?
|
[
"Smoking",
"On schedule",
"Rare",
"dangerous",
"Premature",
"Late",
"anemia",
"Dehydration"
] |
Premature
|
Answer the following multiple-choice question.
Question: What is it considered when menstruation stops before age 40?
Options:
A. Smoking
B. On schedule
C. Rare
D. dangerous
E. Premature
F. Late
G. anemia
H. Dehydration
Which option is correct and why?
|
The correct answer is: Premature.
|
E
|
Which can breath in the water?
|
[
"whale",
"sharks",
"fish",
"clams",
"beaver",
"Frogs",
"squids",
"snake"
] |
fish
|
Answer the following multiple-choice question.
Question: Which can breath in the water?
Options:
A. whale
B. sharks
C. fish
D. clams
E. beaver
F. Frogs
G. squids
H. snake
Which option is correct and why?
|
The correct answer is: fish.
|
C
|
Propellers are on some airplanes primarily to give
|
[
"stability",
"protection from bird strikes",
"speed",
"motion",
"engine cooling",
"energy",
"noise cancellation",
"power"
] |
motion
|
Answer the following multiple-choice question.
Question: Propellers are on some airplanes primarily to give
Options:
A. stability
B. protection from bird strikes
C. speed
D. motion
E. engine cooling
F. energy
G. noise cancellation
H. power
Which option is correct and why?
|
The correct answer is: motion.
|
D
|
Most of the universe is composed of what separated from atoms in stars?
|
[
"energy",
"Joules",
"nucleus",
"matter",
"oxygen",
"RNA",
"atoms",
"Energy."
] |
atoms
|
Answer the following multiple-choice question.
Question: Most of the universe is composed of what separated from atoms in stars?
Options:
A. energy
B. Joules
C. nucleus
D. matter
E. oxygen
F. RNA
G. atoms
H. Energy.
Which option is correct and why?
|
The correct answer is: atoms.
|
A
|
The curie (ci) is one measure of the rate of what?
|
[
"growth",
"division",
"spin",
"decay"
] |
decay
|
Answer the following multiple-choice question.
Question: The curie (ci) is one measure of the rate of what?
Options:
A. growth
B. division
C. spin
D. decay
Which option is correct and why?
|
The correct answer is: decay.
|
D
|
What is it termed when a squirrel is inanimate
|
[
"death",
"inertia",
"colluded",
"emanated"
] |
death
|
Answer the following multiple-choice question.
Question: What is it termed when a squirrel is inanimate
Options:
A. death
B. inertia
C. colluded
D. emanated
Which option is correct and why?
|
The correct answer is: death.
|
A
|
Hydrophobic interactions arise because water molecules engage in what type of bonding with other water molecules?
|
[
"aquatic bonding",
"oxygen bonding",
"helium bonding",
"hydrogen bonding"
] |
hydrogen bonding
|
Answer the following multiple-choice question.
Question: Hydrophobic interactions arise because water molecules engage in what type of bonding with other water molecules?
Options:
A. aquatic bonding
B. oxygen bonding
C. helium bonding
D. hydrogen bonding
Which option is correct and why?
|
The correct answer is: hydrogen bonding.
|
D
|
Which would damage the eyes the most in a laboratory setting without protection?
|
[
"a stray cat",
"an acidic spray",
"a chainsaw",
"your thumb"
] |
an acidic spray
|
Answer the following multiple-choice question.
Question: Which would damage the eyes the most in a laboratory setting without protection?
Options:
A. a stray cat
B. an acidic spray
C. a chainsaw
D. your thumb
Which option is correct and why?
|
The correct answer is: an acidic spray.
|
B
|
Animals rely on what for survival?
|
[
"proteins",
"glycogen",
"rocks",
"sunlight",
"stars",
"weeds",
"cellulose",
"plants"
] |
plants
|
Answer the following multiple-choice question.
Question: Animals rely on what for survival?
Options:
A. proteins
B. glycogen
C. rocks
D. sunlight
E. stars
F. weeds
G. cellulose
H. plants
Which option is correct and why?
|
The correct answer is: plants.
|
A
|
Plant reproduction often requires nectar and what?
|
[
"earth",
"food",
"sun",
"saliva",
"seeds",
"plants",
"bees",
"energy"
] |
bees
|
Answer the following multiple-choice question.
Question: Plant reproduction often requires nectar and what?
Options:
A. earth
B. food
C. sun
D. saliva
E. seeds
F. plants
G. bees
H. energy
Which option is correct and why?
|
The correct answer is: bees.
|
A
|
Redwoods are supported by
|
[
"donations from the environmental protection agency",
"very large and thick trunks",
"twenty chainsaw wielding psychopaths",
"industrial plants near the ocean"
] |
very large and thick trunks
|
Answer the following multiple-choice question.
Question: Redwoods are supported by
Options:
A. donations from the environmental protection agency
B. very large and thick trunks
C. twenty chainsaw wielding psychopaths
D. industrial plants near the ocean
Which option is correct and why?
|
The correct answer is: very large and thick trunks.
|
B
|
What can mutations cause?
|
[
"death and devastation",
"blood",
"massive damage",
"Leptospirosis",
"biological diversity",
"horses",
"ice",
"out of control growth"
] |
out of control growth
|
Answer the following multiple-choice question.
Question: What can mutations cause?
Options:
A. death and devastation
B. blood
C. massive damage
D. Leptospirosis
E. biological diversity
F. horses
G. ice
H. out of control growth
Which option is correct and why?
|
The correct answer is: out of control growth.
|
A
|
What is the ability to change or move matter?
|
[
"density",
"volume",
"energy",
"temperature"
] |
energy
|
Answer the following multiple-choice question.
Question: What is the ability to change or move matter?
Options:
A. density
B. volume
C. energy
D. temperature
Which option is correct and why?
|
The correct answer is: energy.
|
C
|
How do Flagellates reproduce?
|
[
"diving into two parts",
"it keeps an organism warm",
"metabolic reaction",
"allow growth",
"photosynthesis",
"irradiation",
"The bending of a ray of light",
"By wind and rain"
] |
diving into two parts
|
Answer the following multiple-choice question.
Question: How do Flagellates reproduce?
Options:
A. diving into two parts
B. it keeps an organism warm
C. metabolic reaction
D. allow growth
E. photosynthesis
F. irradiation
G. The bending of a ray of light
H. By wind and rain
Which option is correct and why?
|
The correct answer is: diving into two parts.
|
A
|
what aren't viruses?
|
[
"humans",
"bioaerosols",
"animals",
"insects",
"barnacles",
"homogenous",
"bacteria",
"mammals"
] |
bacteria
|
Answer the following multiple-choice question.
Question: what aren't viruses?
Options:
A. humans
B. bioaerosols
C. animals
D. insects
E. barnacles
F. homogenous
G. bacteria
H. mammals
Which option is correct and why?
|
The correct answer is: bacteria.
|
A
|
chloroplasts are rarely found in
|
[
"root hair cells",
"Eukaryotic cells",
"leaf guard cells",
"rose petal cells"
] |
root hair cells
|
Answer the following multiple-choice question.
Question: chloroplasts are rarely found in
Options:
A. root hair cells
B. Eukaryotic cells
C. leaf guard cells
D. rose petal cells
Which option is correct and why?
|
The correct answer is: root hair cells.
|
A
|
Where does rain come from?
|
[
"Moisture in the ocean",
"Chopping down trees",
"near the shoreline",
"movements in the earth's crust",
"Moisture in the clouds",
"air mass over Earth's surface",
"Boiling water on the stove",
"Leeuwenhoek"
] |
Moisture in the clouds
|
Answer the following multiple-choice question.
Question: Where does rain come from?
Options:
A. Moisture in the ocean
B. Chopping down trees
C. near the shoreline
D. movements in the earth's crust
E. Moisture in the clouds
F. air mass over Earth's surface
G. Boiling water on the stove
H. Leeuwenhoek
Which option is correct and why?
|
The correct answer is: Moisture in the clouds.
|
E
|
What do skeletal muscles enable the body to do?
|
[
"breathe",
"move",
"eat",
"look"
] |
move
|
Answer the following multiple-choice question.
Question: What do skeletal muscles enable the body to do?
Options:
A. breathe
B. move
C. eat
D. look
Which option is correct and why?
|
The correct answer is: move.
|
B
|
What weather phenomenon can raise sea level as much as 25 feet when low pressure pulls water upward?
|
[
"storm surge",
"storm rise",
"earthquake surge",
"cloud formation"
] |
storm surge
|
Answer the following multiple-choice question.
Question: What weather phenomenon can raise sea level as much as 25 feet when low pressure pulls water upward?
Options:
A. storm surge
B. storm rise
C. earthquake surge
D. cloud formation
Which option is correct and why?
|
The correct answer is: storm surge.
|
A
|
Which bones are the large, curved bones that form the lateral and anterior aspects of the pelvis?
|
[
"foot",
"hip",
"cranium",
"toe"
] |
hip
|
Answer the following multiple-choice question.
Question: Which bones are the large, curved bones that form the lateral and anterior aspects of the pelvis?
Options:
A. foot
B. hip
C. cranium
D. toe
Which option is correct and why?
|
The correct answer is: hip.
|
B
|
What is the term for an organism, or single living thing?
|
[
"single-celled organism",
"unique",
"loner",
"individual"
] |
individual
|
Answer the following multiple-choice question.
Question: What is the term for an organism, or single living thing?
Options:
A. single-celled organism
B. unique
C. loner
D. individual
Which option is correct and why?
|
The correct answer is: individual.
|
D
|
What do you call an area covered with water, or possessing very soggy soil, all or part of the year?
|
[
"island",
"wetland",
"stream",
"peninsula"
] |
wetland
|
Answer the following multiple-choice question.
Question: What do you call an area covered with water, or possessing very soggy soil, all or part of the year?
Options:
A. island
B. wetland
C. stream
D. peninsula
Which option is correct and why?
|
The correct answer is: wetland.
|
B
|
A particular bird has very bright multi-colored feathers. This could help them
|
[
"find the mother of its future children",
"attract a plane to rescue them",
"find a good source of food",
"become famous in movies"
] |
find the mother of its future children
|
Answer the following multiple-choice question.
Question: A particular bird has very bright multi-colored feathers. This could help them
Options:
A. find the mother of its future children
B. attract a plane to rescue them
C. find a good source of food
D. become famous in movies
Which option is correct and why?
|
The correct answer is: find the mother of its future children.
|
A
|
An oxy-acetylene torch is an effective way to cut what?
|
[
"wood",
"metal",
"plastic",
"coal"
] |
metal
|
Answer the following multiple-choice question.
Question: An oxy-acetylene torch is an effective way to cut what?
Options:
A. wood
B. metal
C. plastic
D. coal
Which option is correct and why?
|
The correct answer is: metal.
|
B
|
What do echinoderms employ to grip surfaces?
|
[
"adhesives",
"resistance",
"Hemoglobin",
"properties",
"forces",
"direct energy",
"abrasion",
"layers of fat"
] |
adhesives
|
Answer the following multiple-choice question.
Question: What do echinoderms employ to grip surfaces?
Options:
A. adhesives
B. resistance
C. Hemoglobin
D. properties
E. forces
F. direct energy
G. abrasion
H. layers of fat
Which option is correct and why?
|
The correct answer is: adhesives.
|
A
|
What do they call 2,2,4-trimethylpentane in the gasoline industry?
|
[
"xerophyte",
"isooctane",
"spirogyra",
"methane"
] |
isooctane
|
Answer the following multiple-choice question.
Question: What do they call 2,2,4-trimethylpentane in the gasoline industry?
Options:
A. xerophyte
B. isooctane
C. spirogyra
D. methane
Which option is correct and why?
|
The correct answer is: isooctane.
|
B
|
A dead skunk in the middle of the road would be most appealing to
|
[
"a giraffe",
"a politician",
"a vulture",
"a whale"
] |
a vulture
|
Answer the following multiple-choice question.
Question: A dead skunk in the middle of the road would be most appealing to
Options:
A. a giraffe
B. a politician
C. a vulture
D. a whale
Which option is correct and why?
|
The correct answer is: a vulture.
|
C
|
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