question
stringlengths 4
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listlengths 4
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| correct_answer
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|---|---|---|---|---|---|
what increases cancer risk?
|
[
"coal",
"eating",
"Pesticides",
"cells",
"A drug.",
"reproducing",
"Pollution",
"smoking"
] |
smoking
|
Answer the following multiple-choice question.
Question: what increases cancer risk?
Options:
A. coal
B. eating
C. Pesticides
D. cells
E. A drug.
F. reproducing
G. Pollution
H. smoking
Which option is correct and why?
|
The correct answer is: smoking.
|
A
|
Animals require warmth as encoded on what?
|
[
"organ",
"glycogen",
"messengers",
"proteins",
"alleles",
"tissue",
"the skin",
"hormones"
] |
alleles
|
Answer the following multiple-choice question.
Question: Animals require warmth as encoded on what?
Options:
A. organ
B. glycogen
C. messengers
D. proteins
E. alleles
F. tissue
G. the skin
H. hormones
Which option is correct and why?
|
The correct answer is: alleles.
|
E
|
What kind of scientists measure percentages of sand, silt, and clay?
|
[
"amount scientists",
"petro scientists",
"soil scientists",
"texture scientists"
] |
soil scientists
|
Answer the following multiple-choice question.
Question: What kind of scientists measure percentages of sand, silt, and clay?
Options:
A. amount scientists
B. petro scientists
C. soil scientists
D. texture scientists
Which option is correct and why?
|
The correct answer is: soil scientists.
|
C
|
What can fungi spores develop into without being fertilized?
|
[
"shrub beds",
"litter",
"Sugar",
"Protein",
"Bacteria",
"graptolites",
"ferns",
"Food"
] |
Bacteria
|
Answer the following multiple-choice question.
Question: What can fungi spores develop into without being fertilized?
Options:
A. shrub beds
B. litter
C. Sugar
D. Protein
E. Bacteria
F. graptolites
G. ferns
H. Food
Which option is correct and why?
|
The correct answer is: Bacteria.
|
E
|
What can live in a dormant state inside the body?
|
[
"Leptospirosis",
"fish",
"bacteria",
"animals",
"fungi",
"birds",
"influenza",
"ducks"
] |
influenza
|
Answer the following multiple-choice question.
Question: What can live in a dormant state inside the body?
Options:
A. Leptospirosis
B. fish
C. bacteria
D. animals
E. fungi
F. birds
G. influenza
H. ducks
Which option is correct and why?
|
The correct answer is: influenza.
|
A
|
How do hydrogen bonds help ions and other polar molecules?
|
[
"solidify in water",
"dissolve in water",
"activate in water",
"change in water"
] |
dissolve in water
|
Answer the following multiple-choice question.
Question: How do hydrogen bonds help ions and other polar molecules?
Options:
A. solidify in water
B. dissolve in water
C. activate in water
D. change in water
Which option is correct and why?
|
The correct answer is: dissolve in water.
|
B
|
In vascular plants, the sporophyte generation is what?
|
[
"non-existant",
"dominant",
"submissive",
"resting"
] |
dominant
|
Answer the following multiple-choice question.
Question: In vascular plants, the sporophyte generation is what?
Options:
A. non-existant
B. dominant
C. submissive
D. resting
Which option is correct and why?
|
The correct answer is: dominant.
|
B
|
What do aquatic animals need to survive?
|
[
"Water",
"gills",
"food",
"air",
"fishing",
"desert",
"history",
"warmth"
] |
gills
|
Answer the following multiple-choice question.
Question: What do aquatic animals need to survive?
Options:
A. Water
B. gills
C. food
D. air
E. fishing
F. desert
G. history
H. warmth
Which option is correct and why?
|
The correct answer is: gills.
|
B
|
A white bear lives in a place that is
|
[
"hot",
"cold",
"dark",
"dense"
] |
cold
|
Answer the following multiple-choice question.
Question: A white bear lives in a place that is
Options:
A. hot
B. cold
C. dark
D. dense
Which option is correct and why?
|
The correct answer is: cold.
|
B
|
The Appalachians reach amazing heights because of how stone
|
[
"blew up",
"piles together",
"melted lava",
"created anchors"
] |
piles together
|
Answer the following multiple-choice question.
Question: The Appalachians reach amazing heights because of how stone
Options:
A. blew up
B. piles together
C. melted lava
D. created anchors
Which option is correct and why?
|
The correct answer is: piles together.
|
B
|
Cells have multiple repair mechanisms to fix mutations in what?
|
[
"Veins and arteries.",
"Most plants",
"the body's largest organ",
"members of their own species",
"wavelengths and photons",
"epidermis and dermis",
"deoxyribonucleic acid",
"peachleaf willow"
] |
deoxyribonucleic acid
|
Answer the following multiple-choice question.
Question: Cells have multiple repair mechanisms to fix mutations in what?
Options:
A. Veins and arteries.
B. Most plants
C. the body's largest organ
D. members of their own species
E. wavelengths and photons
F. epidermis and dermis
G. deoxyribonucleic acid
H. peachleaf willow
Which option is correct and why?
|
The correct answer is: deoxyribonucleic acid.
|
A
|
Some animals are aided in finding food sources by
|
[
"aroma",
"neon signs",
"constellations",
"mating calls"
] |
aroma
|
Answer the following multiple-choice question.
Question: Some animals are aided in finding food sources by
Options:
A. aroma
B. neon signs
C. constellations
D. mating calls
Which option is correct and why?
|
The correct answer is: aroma.
|
A
|
What are mid-wavelength electromagnetic waves commonly referred to as?
|
[
"electricity",
"x-rays",
"gamma rays",
"light"
] |
light
|
Answer the following multiple-choice question.
Question: What are mid-wavelength electromagnetic waves commonly referred to as?
Options:
A. electricity
B. x-rays
C. gamma rays
D. light
Which option is correct and why?
|
The correct answer is: light.
|
D
|
Which of the following could harbor unsafe bacteria?
|
[
"hand sanitizer",
"unwashed greens",
"properly cooked beef",
"washed carrots"
] |
unwashed greens
|
Answer the following multiple-choice question.
Question: Which of the following could harbor unsafe bacteria?
Options:
A. hand sanitizer
B. unwashed greens
C. properly cooked beef
D. washed carrots
Which option is correct and why?
|
The correct answer is: unwashed greens.
|
B
|
A person owns thousands of acres of land and would like to do something great for the environment, so he
|
[
"limits human access",
"limits animal access",
"builds a mall",
"starts a riot"
] |
limits human access
|
Answer the following multiple-choice question.
Question: A person owns thousands of acres of land and would like to do something great for the environment, so he
Options:
A. limits human access
B. limits animal access
C. builds a mall
D. starts a riot
Which option is correct and why?
|
The correct answer is: limits human access.
|
A
|
What is the main component of phytoplankton?
|
[
"coral",
"sponge",
"algae",
"seawater"
] |
algae
|
Answer the following multiple-choice question.
Question: What is the main component of phytoplankton?
Options:
A. coral
B. sponge
C. algae
D. seawater
Which option is correct and why?
|
The correct answer is: algae.
|
C
|
Where does mechanical digestion begin?
|
[
"mouth",
"stomach",
"intestines",
"brain"
] |
mouth
|
Answer the following multiple-choice question.
Question: Where does mechanical digestion begin?
Options:
A. mouth
B. stomach
C. intestines
D. brain
Which option is correct and why?
|
The correct answer is: mouth.
|
A
|
Organic molecules that store electrical energy can be found in what?
|
[
"fossil fuels",
"food",
"plants",
"Fruits",
"methane",
"magma",
"homes",
"edible"
] |
food
|
Answer the following multiple-choice question.
Question: Organic molecules that store electrical energy can be found in what?
Options:
A. fossil fuels
B. food
C. plants
D. Fruits
E. methane
F. magma
G. homes
H. edible
Which option is correct and why?
|
The correct answer is: food.
|
B
|
An animal needing to be warmer could
|
[
"starve",
"eat more",
"go out",
"diet"
] |
eat more
|
Answer the following multiple-choice question.
Question: An animal needing to be warmer could
Options:
A. starve
B. eat more
C. go out
D. diet
Which option is correct and why?
|
The correct answer is: eat more.
|
B
|
what food is required for space travel?
|
[
"hydration",
"humans",
"Energy.",
"irradiated",
"heat energy",
"nutrients",
"Proteins",
"survival"
] |
irradiated
|
Answer the following multiple-choice question.
Question: what food is required for space travel?
Options:
A. hydration
B. humans
C. Energy.
D. irradiated
E. heat energy
F. nutrients
G. Proteins
H. survival
Which option is correct and why?
|
The correct answer is: irradiated.
|
D
|
When the Platypus emerges and new life into the pouch it has been
|
[
"died",
"birthed",
"flown",
"ran"
] |
birthed
|
Answer the following multiple-choice question.
Question: When the Platypus emerges and new life into the pouch it has been
Options:
A. died
B. birthed
C. flown
D. ran
Which option is correct and why?
|
The correct answer is: birthed.
|
B
|
What could be used to find out how much carpet is needed for a room?
|
[
"a tape measure",
"a compass",
"a barometer",
"a beam balance"
] |
a tape measure
|
Answer the following multiple-choice question.
Question: What could be used to find out how much carpet is needed for a room?
Options:
A. a tape measure
B. a compass
C. a barometer
D. a beam balance
Which option is correct and why?
|
The correct answer is: a tape measure.
|
A
|
what causes harm to living things?
|
[
"toxins",
"vitamins",
"bacteria",
"cyanide",
"leeches",
"h2o",
"oxygen",
"Pesticides"
] |
cyanide
|
Answer the following multiple-choice question.
Question: what causes harm to living things?
Options:
A. toxins
B. vitamins
C. bacteria
D. cyanide
E. leeches
F. h2o
G. oxygen
H. Pesticides
Which option is correct and why?
|
The correct answer is: cyanide.
|
D
|
The hypothalamic releasing and inhibiting hormones are secreted near capillaries at the base of the what?
|
[
"hippocampus",
"pancreas",
"lungs",
"hypothalamus"
] |
hypothalamus
|
Answer the following multiple-choice question.
Question: The hypothalamic releasing and inhibiting hormones are secreted near capillaries at the base of the what?
Options:
A. hippocampus
B. pancreas
C. lungs
D. hypothalamus
Which option is correct and why?
|
The correct answer is: hypothalamus.
|
D
|
What can cause serious problems for production agriculture?
|
[
"wind",
"rabies",
"fungi",
"mold",
"Acids",
"fire",
"mildew",
"mines"
] |
wind
|
Answer the following multiple-choice question.
Question: What can cause serious problems for production agriculture?
Options:
A. wind
B. rabies
C. fungi
D. mold
E. Acids
F. fire
G. mildew
H. mines
Which option is correct and why?
|
The correct answer is: wind.
|
A
|
Decomposition is important for
|
[
"water",
"medicine",
"sunlight",
"food"
] |
food
|
Answer the following multiple-choice question.
Question: Decomposition is important for
Options:
A. water
B. medicine
C. sunlight
D. food
Which option is correct and why?
|
The correct answer is: food.
|
D
|
What re the only organisms that can decompose biodegradable products?
|
[
"fungi",
"pine",
"fires",
"plants",
"trees",
"viruses",
"fungus",
"spores"
] |
fungi
|
Answer the following multiple-choice question.
Question: What re the only organisms that can decompose biodegradable products?
Options:
A. fungi
B. pine
C. fires
D. plants
E. trees
F. viruses
G. fungus
H. spores
Which option is correct and why?
|
The correct answer is: fungi.
|
A
|
How do ships find submarines?
|
[
"guns",
"Computer",
"Sight",
"move",
"Sonar",
"sound",
"Diving",
"Satellite"
] |
Sonar
|
Answer the following multiple-choice question.
Question: How do ships find submarines?
Options:
A. guns
B. Computer
C. Sight
D. move
E. Sonar
F. sound
G. Diving
H. Satellite
Which option is correct and why?
|
The correct answer is: Sonar.
|
E
|
Which water from the equator mixes with cold water from the poles?
|
[
"spring water",
"warm",
"ice water",
"hot"
] |
warm
|
Answer the following multiple-choice question.
Question: Which water from the equator mixes with cold water from the poles?
Options:
A. spring water
B. warm
C. ice water
D. hot
Which option is correct and why?
|
The correct answer is: warm.
|
B
|
Scanning acoustic microscopes use what kind of waves to scan a specimen?
|
[
"sound waves",
"radio waves",
"heat waves",
"gamma waves"
] |
sound waves
|
Answer the following multiple-choice question.
Question: Scanning acoustic microscopes use what kind of waves to scan a specimen?
Options:
A. sound waves
B. radio waves
C. heat waves
D. gamma waves
Which option is correct and why?
|
The correct answer is: sound waves.
|
A
|
What is the position of rock layers and the relative ages called?
|
[
"diffraction",
"bifurcation",
"metamorphism",
"superposition"
] |
superposition
|
Answer the following multiple-choice question.
Question: What is the position of rock layers and the relative ages called?
Options:
A. diffraction
B. bifurcation
C. metamorphism
D. superposition
Which option is correct and why?
|
The correct answer is: superposition.
|
D
|
Oncogenes promote the division of cells using the damaged form of what?
|
[
"deoxyribonucleic acid",
"oncogenes",
"proteins",
"Chemical energy",
"epidermis and dermis",
"the body's largest organ",
"Veins and arteries.",
"healthy cells"
] |
deoxyribonucleic acid
|
Answer the following multiple-choice question.
Question: Oncogenes promote the division of cells using the damaged form of what?
Options:
A. deoxyribonucleic acid
B. oncogenes
C. proteins
D. Chemical energy
E. epidermis and dermis
F. the body's largest organ
G. Veins and arteries.
H. healthy cells
Which option is correct and why?
|
The correct answer is: deoxyribonucleic acid.
|
A
|
Once cells _______, they can no longer divide
|
[
"differentiate",
"migrate",
"mature",
"propagate"
] |
differentiate
|
Answer the following multiple-choice question.
Question: Once cells _______, they can no longer divide
Options:
A. differentiate
B. migrate
C. mature
D. propagate
Which option is correct and why?
|
The correct answer is: differentiate.
|
A
|
The combined gradient that affects an ion includes its concentration gradient and its what?
|
[
"electrical gradient",
"radiation gradient",
"electron bond",
"cell membrane"
] |
electrical gradient
|
Answer the following multiple-choice question.
Question: The combined gradient that affects an ion includes its concentration gradient and its what?
Options:
A. electrical gradient
B. radiation gradient
C. electron bond
D. cell membrane
Which option is correct and why?
|
The correct answer is: electrical gradient.
|
A
|
Atmospheric pressure can be measured with what tool?
|
[
"barometer",
"thermometer",
"ruler",
"scale"
] |
barometer
|
Answer the following multiple-choice question.
Question: Atmospheric pressure can be measured with what tool?
Options:
A. barometer
B. thermometer
C. ruler
D. scale
Which option is correct and why?
|
The correct answer is: barometer.
|
A
|
What is the most important characteristic of a homogeneous mixture?
|
[
"high density",
"nonreactive",
"uniform composition throughout",
"very reactive"
] |
uniform composition throughout
|
Answer the following multiple-choice question.
Question: What is the most important characteristic of a homogeneous mixture?
Options:
A. high density
B. nonreactive
C. uniform composition throughout
D. very reactive
Which option is correct and why?
|
The correct answer is: uniform composition throughout.
|
C
|
What have a nervous system?
|
[
"fur seals",
"viruses",
"animals",
"jellyfish",
"bacteria",
"ducks",
"mammals",
"phytoplankton"
] |
jellyfish
|
Answer the following multiple-choice question.
Question: What have a nervous system?
Options:
A. fur seals
B. viruses
C. animals
D. jellyfish
E. bacteria
F. ducks
G. mammals
H. phytoplankton
Which option is correct and why?
|
The correct answer is: jellyfish.
|
D
|
What could be a conductor of energy?
|
[
"a nickel",
"carrots",
"wood",
"cotton"
] |
a nickel
|
Answer the following multiple-choice question.
Question: What could be a conductor of energy?
Options:
A. a nickel
B. carrots
C. wood
D. cotton
Which option is correct and why?
|
The correct answer is: a nickel.
|
A
|
In which organ does a baby develop?
|
[
"ovaries",
"uterus",
"pelvis",
"pancreas"
] |
uterus
|
Answer the following multiple-choice question.
Question: In which organ does a baby develop?
Options:
A. ovaries
B. uterus
C. pelvis
D. pancreas
Which option is correct and why?
|
The correct answer is: uterus.
|
B
|
Within an ecosystem, producers are likely to be
|
[
"liquid",
"bloody",
"diamond",
"budding"
] |
budding
|
Answer the following multiple-choice question.
Question: Within an ecosystem, producers are likely to be
Options:
A. liquid
B. bloody
C. diamond
D. budding
Which option is correct and why?
|
The correct answer is: budding.
|
D
|
What direction does something that has oxygen-rich blood go?
|
[
"mouth of rivers",
"the body's largest organ",
"move to different locations",
"Earth orbiting the Sun",
"Move to another area",
"to move people",
"animal transport",
"Away from the heart"
] |
Away from the heart
|
Answer the following multiple-choice question.
Question: What direction does something that has oxygen-rich blood go?
Options:
A. mouth of rivers
B. the body's largest organ
C. move to different locations
D. Earth orbiting the Sun
E. Move to another area
F. to move people
G. animal transport
H. Away from the heart
Which option is correct and why?
|
The correct answer is: Away from the heart.
|
A
|
A rock tumbler revolves to
|
[
"collect bees",
"trap clowns",
"facet diamonds",
"smooth gemstones"
] |
smooth gemstones
|
Answer the following multiple-choice question.
Question: A rock tumbler revolves to
Options:
A. collect bees
B. trap clowns
C. facet diamonds
D. smooth gemstones
Which option is correct and why?
|
The correct answer is: smooth gemstones.
|
D
|
What type of behaviors are triggered by pheromones in moths?
|
[
"courtship",
"exhibit",
"illuminating",
"peculiar"
] |
courtship
|
Answer the following multiple-choice question.
Question: What type of behaviors are triggered by pheromones in moths?
Options:
A. courtship
B. exhibit
C. illuminating
D. peculiar
Which option is correct and why?
|
The correct answer is: courtship.
|
A
|
What makes echinoderms force water into the feet and move forward?
|
[
"field contractions",
"muscle contractions",
"vacuum contractions",
"spring contractions"
] |
muscle contractions
|
Answer the following multiple-choice question.
Question: What makes echinoderms force water into the feet and move forward?
Options:
A. field contractions
B. muscle contractions
C. vacuum contractions
D. spring contractions
Which option is correct and why?
|
The correct answer is: muscle contractions.
|
B
|
What is the name of the mineral that contains calcium, carbon and oxygen?
|
[
"quartz",
"granite",
"cobalt",
"calcite"
] |
calcite
|
Answer the following multiple-choice question.
Question: What is the name of the mineral that contains calcium, carbon and oxygen?
Options:
A. quartz
B. granite
C. cobalt
D. calcite
Which option is correct and why?
|
The correct answer is: calcite.
|
D
|
A force of water which moves can slowly dissolve carbon in what?
|
[
"sediment",
"an area swollen with pus",
"precipitation",
"loose soil",
"rocky clouds",
"water forces",
"sedimentary rock",
"small bricks"
] |
sedimentary rock
|
Answer the following multiple-choice question.
Question: A force of water which moves can slowly dissolve carbon in what?
Options:
A. sediment
B. an area swollen with pus
C. precipitation
D. loose soil
E. rocky clouds
F. water forces
G. sedimentary rock
H. small bricks
Which option is correct and why?
|
The correct answer is: sedimentary rock.
|
A
|
_ are used for moving people across bodies of water.
|
[
"dolphins",
"engines",
"gas turbines",
"electricity",
"streams",
"rivers",
"arteries",
"animal transport"
] |
gas turbines
|
Answer the following multiple-choice question.
Question: _ are used for moving people across bodies of water.
Options:
A. dolphins
B. engines
C. gas turbines
D. electricity
E. streams
F. rivers
G. arteries
H. animal transport
Which option is correct and why?
|
The correct answer is: gas turbines.
|
C
|
Water that is lost through the skin through evaporation from the skin surface without overt sweating and from air expelled from the lungs is known as what?
|
[
"logical water loss",
"dehydration",
"osmotic process",
"insensible water loss"
] |
insensible water loss
|
Answer the following multiple-choice question.
Question: Water that is lost through the skin through evaporation from the skin surface without overt sweating and from air expelled from the lungs is known as what?
Options:
A. logical water loss
B. dehydration
C. osmotic process
D. insensible water loss
Which option is correct and why?
|
The correct answer is: insensible water loss.
|
D
|
What are made on ribosomes in the cytoplasm?
|
[
"enzymes",
"lipids",
"proteins",
"cells"
] |
proteins
|
Answer the following multiple-choice question.
Question: What are made on ribosomes in the cytoplasm?
Options:
A. enzymes
B. lipids
C. proteins
D. cells
Which option is correct and why?
|
The correct answer is: proteins.
|
C
|
What population on earth is already harming the environment due to less resources to go around?
|
[
"rats",
"humans",
"whales",
"insects"
] |
humans
|
Answer the following multiple-choice question.
Question: What population on earth is already harming the environment due to less resources to go around?
Options:
A. rats
B. humans
C. whales
D. insects
Which option is correct and why?
|
The correct answer is: humans.
|
B
|
what have a layer of fat under the skin?
|
[
"Birds",
"humans",
"trees",
"pugs",
"mounds",
"cats",
"otters",
"bones"
] |
pugs
|
Answer the following multiple-choice question.
Question: what have a layer of fat under the skin?
Options:
A. Birds
B. humans
C. trees
D. pugs
E. mounds
F. cats
G. otters
H. bones
Which option is correct and why?
|
The correct answer is: pugs.
|
D
|
How does a cactus survive droughts?
|
[
"It becomes dormant",
"It helps them survive",
"roots and shoots",
"high humidity",
"circulatory systems",
"roots to grow",
"Holding water in the stem",
"dormant state"
] |
Holding water in the stem
|
Answer the following multiple-choice question.
Question: How does a cactus survive droughts?
Options:
A. It becomes dormant
B. It helps them survive
C. roots and shoots
D. high humidity
E. circulatory systems
F. roots to grow
G. Holding water in the stem
H. dormant state
Which option is correct and why?
|
The correct answer is: Holding water in the stem.
|
A
|
Irradiating food prevents what?
|
[
"discoloration",
"bacteria",
"freezing",
"Dehydration",
"spoilage",
"cancer",
"bad odors",
"apoptosis"
] |
spoilage
|
Answer the following multiple-choice question.
Question: Irradiating food prevents what?
Options:
A. discoloration
B. bacteria
C. freezing
D. Dehydration
E. spoilage
F. cancer
G. bad odors
H. apoptosis
Which option is correct and why?
|
The correct answer is: spoilage.
|
E
|
Lava is found above the ground because when there is lava there is
|
[
"a soft song",
"a frontal lobe",
"a small indent",
"a movement happening"
] |
a movement happening
|
Answer the following multiple-choice question.
Question: Lava is found above the ground because when there is lava there is
Options:
A. a soft song
B. a frontal lobe
C. a small indent
D. a movement happening
Which option is correct and why?
|
The correct answer is: a movement happening.
|
D
|
Bats might use what to get home
|
[
"a map",
"time travel",
"their voice",
"their magic"
] |
their voice
|
Answer the following multiple-choice question.
Question: Bats might use what to get home
Options:
A. a map
B. time travel
C. their voice
D. their magic
Which option is correct and why?
|
The correct answer is: their voice.
|
C
|
Many animals that give birth to live young have
|
[
"skin",
"scales",
"exoskeletons",
"gills"
] |
skin
|
Answer the following multiple-choice question.
Question: Many animals that give birth to live young have
Options:
A. skin
B. scales
C. exoskeletons
D. gills
Which option is correct and why?
|
The correct answer is: skin.
|
A
|
What is the number of protons in the nucleus?
|
[
"atomic number",
"metallic number",
"element",
"atomic mass"
] |
atomic number
|
Answer the following multiple-choice question.
Question: What is the number of protons in the nucleus?
Options:
A. atomic number
B. metallic number
C. element
D. atomic mass
Which option is correct and why?
|
The correct answer is: atomic number.
|
A
|
while passing Jupiter the
|
[
"better the view",
"stronger the gravity",
"moon orbits you",
"gravitational force weakens"
] |
stronger the gravity
|
Answer the following multiple-choice question.
Question: while passing Jupiter the
Options:
A. better the view
B. stronger the gravity
C. moon orbits you
D. gravitational force weakens
Which option is correct and why?
|
The correct answer is: stronger the gravity.
|
B
|
Bluebirds are found in
|
[
"vast green fields",
"glaciers",
"volcanic craters",
"ocean waves"
] |
vast green fields
|
Answer the following multiple-choice question.
Question: Bluebirds are found in
Options:
A. vast green fields
B. glaciers
C. volcanic craters
D. ocean waves
Which option is correct and why?
|
The correct answer is: vast green fields.
|
A
|
Some hormones produced by the anterior pituitary regulate the production of hormones by other tissues belonging to what system?
|
[
"cardiovascular",
"endocrine",
"digestive",
"nervous"
] |
endocrine
|
Answer the following multiple-choice question.
Question: Some hormones produced by the anterior pituitary regulate the production of hormones by other tissues belonging to what system?
Options:
A. cardiovascular
B. endocrine
C. digestive
D. nervous
Which option is correct and why?
|
The correct answer is: endocrine.
|
B
|
What goes to the retina upon entering the eye?
|
[
"sensory neurons",
"Your sensory system picks it up",
"sound energy",
"an electron microscope",
"electromagnetic energy",
"vibrations",
"Electrical energy",
"heat waves"
] |
electromagnetic energy
|
Answer the following multiple-choice question.
Question: What goes to the retina upon entering the eye?
Options:
A. sensory neurons
B. Your sensory system picks it up
C. sound energy
D. an electron microscope
E. electromagnetic energy
F. vibrations
G. Electrical energy
H. heat waves
Which option is correct and why?
|
The correct answer is: electromagnetic energy.
|
E
|
consumers are what in terrestrial biomes
|
[
"animals",
"algae",
"omnivores",
"people",
"plants",
"insects",
"vegetation",
"trees"
] |
omnivores
|
Answer the following multiple-choice question.
Question: consumers are what in terrestrial biomes
Options:
A. animals
B. algae
C. omnivores
D. people
E. plants
F. insects
G. vegetation
H. trees
Which option is correct and why?
|
The correct answer is: omnivores.
|
C
|
In contrast to metals, electrical insulators are materials that conduct electricity poorly because their valence bands are what?
|
[
"large",
"full",
"empty",
"half-full"
] |
full
|
Answer the following multiple-choice question.
Question: In contrast to metals, electrical insulators are materials that conduct electricity poorly because their valence bands are what?
Options:
A. large
B. full
C. empty
D. half-full
Which option is correct and why?
|
The correct answer is: full.
|
B
|
Different regions of the cerebral cortex can be associated with particular functions, a concept known as what?
|
[
"expressiveness of function",
"reversal of function",
"cytoplasm of function",
"localization of function"
] |
localization of function
|
Answer the following multiple-choice question.
Question: Different regions of the cerebral cortex can be associated with particular functions, a concept known as what?
Options:
A. expressiveness of function
B. reversal of function
C. cytoplasm of function
D. localization of function
Which option is correct and why?
|
The correct answer is: localization of function.
|
D
|
What burrows help aerate soil, which is also good for plants?
|
[
"leaves",
"adding heat",
"Exfoliation",
"good",
"roots",
"wind",
"rocks",
"annelids"
] |
annelids
|
Answer the following multiple-choice question.
Question: What burrows help aerate soil, which is also good for plants?
Options:
A. leaves
B. adding heat
C. Exfoliation
D. good
E. roots
F. wind
G. rocks
H. annelids
Which option is correct and why?
|
The correct answer is: annelids.
|
A
|
what happens when mitosis stops?
|
[
"h2o",
"respiration",
"flow of electrons",
"photosynthesis",
"It decreases",
"aging occurs",
"Winter",
"massive damage"
] |
aging occurs
|
Answer the following multiple-choice question.
Question: what happens when mitosis stops?
Options:
A. h2o
B. respiration
C. flow of electrons
D. photosynthesis
E. It decreases
F. aging occurs
G. Winter
H. massive damage
Which option is correct and why?
|
The correct answer is: aging occurs.
|
A
|
What term describes a region of space around an atom that has a non-zero probability for an electron with a particular energy?
|
[
"orbital lobe",
"related orbital",
"atomic orbital",
"minimal orbital"
] |
atomic orbital
|
Answer the following multiple-choice question.
Question: What term describes a region of space around an atom that has a non-zero probability for an electron with a particular energy?
Options:
A. orbital lobe
B. related orbital
C. atomic orbital
D. minimal orbital
Which option is correct and why?
|
The correct answer is: atomic orbital.
|
C
|
Maintaining a high metabolic rate takes a lot of what?
|
[
"energy",
"calories",
"food",
"fuel"
] |
energy
|
Answer the following multiple-choice question.
Question: Maintaining a high metabolic rate takes a lot of what?
Options:
A. energy
B. calories
C. food
D. fuel
Which option is correct and why?
|
The correct answer is: energy.
|
A
|
Which natural occurrence comes from Earth being tilted on a rotating axis?
|
[
"Changing weather",
"graptolites",
"permineralization",
"Movement",
"subtropical",
"dry and hot",
"swamp vegetation",
"global warming"
] |
Changing weather
|
Answer the following multiple-choice question.
Question: Which natural occurrence comes from Earth being tilted on a rotating axis?
Options:
A. Changing weather
B. graptolites
C. permineralization
D. Movement
E. subtropical
F. dry and hot
G. swamp vegetation
H. global warming
Which option is correct and why?
|
The correct answer is: Changing weather.
|
A
|
The electronic components in electronic devices, used to transmit and change electricity are made of?
|
[
"inverters",
"resistors",
"microchips",
"semiconductors"
] |
semiconductors
|
Answer the following multiple-choice question.
Question: The electronic components in electronic devices, used to transmit and change electricity are made of?
Options:
A. inverters
B. resistors
C. microchips
D. semiconductors
Which option is correct and why?
|
The correct answer is: semiconductors.
|
D
|
What is the general name for the homogeneous mixture that is formed when a solute dissolves in a solvent?
|
[
"solution",
"Dissolvant",
"Combination",
"Reaction"
] |
solution
|
Answer the following multiple-choice question.
Question: What is the general name for the homogeneous mixture that is formed when a solute dissolves in a solvent?
Options:
A. solution
B. Dissolvant
C. Combination
D. Reaction
Which option is correct and why?
|
The correct answer is: solution.
|
A
|
Humidity is the amount of what vapor in the air?
|
[
"wind",
"humidifier",
"cold",
"h2o"
] |
h2o
|
Answer the following multiple-choice question.
Question: Humidity is the amount of what vapor in the air?
Options:
A. wind
B. humidifier
C. cold
D. h2o
Which option is correct and why?
|
The correct answer is: h2o.
|
D
|
Which of the following is likely to cause the most erosion?
|
[
"a babbling brook",
"a mighty river",
"a stagnant pond",
"a light breeze"
] |
a mighty river
|
Answer the following multiple-choice question.
Question: Which of the following is likely to cause the most erosion?
Options:
A. a babbling brook
B. a mighty river
C. a stagnant pond
D. a light breeze
Which option is correct and why?
|
The correct answer is: a mighty river.
|
B
|
Glaciers doing what has a negative impact on the glacial environment?
|
[
"liquifying",
"growing",
"freezing",
"cooling"
] |
liquifying
|
Answer the following multiple-choice question.
Question: Glaciers doing what has a negative impact on the glacial environment?
Options:
A. liquifying
B. growing
C. freezing
D. cooling
Which option is correct and why?
|
The correct answer is: liquifying.
|
A
|
Which human body system system moves nutrients and other substances throughout the body?
|
[
"Muscular system",
"Digestive system",
"cardiovascular system",
"Integumentary system"
] |
cardiovascular system
|
Answer the following multiple-choice question.
Question: Which human body system system moves nutrients and other substances throughout the body?
Options:
A. Muscular system
B. Digestive system
C. cardiovascular system
D. Integumentary system
Which option is correct and why?
|
The correct answer is: cardiovascular system.
|
C
|
While deer may be found in many varied locations, they mostly make their home
|
[
"in densely covered wilderness",
"outside of grassy areas",
"in largely populated parks",
"near cabins in small towns"
] |
in densely covered wilderness
|
Answer the following multiple-choice question.
Question: While deer may be found in many varied locations, they mostly make their home
Options:
A. in densely covered wilderness
B. outside of grassy areas
C. in largely populated parks
D. near cabins in small towns
Which option is correct and why?
|
The correct answer is: in densely covered wilderness.
|
A
|
Who are squids a food source for?
|
[
"flies",
"animals",
"humans",
"trees",
"people",
"food",
"insects",
"tortoises"
] |
humans
|
Answer the following multiple-choice question.
Question: Who are squids a food source for?
Options:
A. flies
B. animals
C. humans
D. trees
E. people
F. food
G. insects
H. tortoises
Which option is correct and why?
|
The correct answer is: humans.
|
C
|
What is a symbiotic relationship in which both species benefit?
|
[
"parasitism",
"inorganic",
"mutualism",
"detrimental"
] |
mutualism
|
Answer the following multiple-choice question.
Question: What is a symbiotic relationship in which both species benefit?
Options:
A. parasitism
B. inorganic
C. mutualism
D. detrimental
Which option is correct and why?
|
The correct answer is: mutualism.
|
C
|
Which is not a cell?
|
[
"cigarettes",
"Chlorophyll",
"Leptospirosis",
"layers of fat",
"an object",
"anemia",
"all matter",
"influenza"
] |
influenza
|
Answer the following multiple-choice question.
Question: Which is not a cell?
Options:
A. cigarettes
B. Chlorophyll
C. Leptospirosis
D. layers of fat
E. an object
F. anemia
G. all matter
H. influenza
Which option is correct and why?
|
The correct answer is: influenza.
|
A
|
After fertilization is complete, no other sperm can enter. the fertilized ovule forms the seed, whereas the tissues of the ovary become this?
|
[
"vegetables",
"plant",
"fruit",
"wheat"
] |
fruit
|
Answer the following multiple-choice question.
Question: After fertilization is complete, no other sperm can enter. the fertilized ovule forms the seed, whereas the tissues of the ovary become this?
Options:
A. vegetables
B. plant
C. fruit
D. wheat
Which option is correct and why?
|
The correct answer is: fruit.
|
C
|
what are sometimes nearly microscopic?
|
[
"humans",
"magnification",
"barnacles",
"Veins and arteries.",
"gastropod shells",
"invertebrates",
"orchids",
"the sun"
] |
invertebrates
|
Answer the following multiple-choice question.
Question: what are sometimes nearly microscopic?
Options:
A. humans
B. magnification
C. barnacles
D. Veins and arteries.
E. gastropod shells
F. invertebrates
G. orchids
H. the sun
Which option is correct and why?
|
The correct answer is: invertebrates.
|
A
|
What living things have cell walls containing cellulose and plastids such as chloroplasts?
|
[
"animals",
"plants",
"reptiles",
"mammals"
] |
plants
|
Answer the following multiple-choice question.
Question: What living things have cell walls containing cellulose and plastids such as chloroplasts?
Options:
A. animals
B. plants
C. reptiles
D. mammals
Which option is correct and why?
|
The correct answer is: plants.
|
B
|
What type of device uses electromagnetic induction to change the voltage of electric current?
|
[
"hot transformer",
"electronic transformer",
"radioactive transformer",
"mechanical transformer"
] |
electronic transformer
|
Answer the following multiple-choice question.
Question: What type of device uses electromagnetic induction to change the voltage of electric current?
Options:
A. hot transformer
B. electronic transformer
C. radioactive transformer
D. mechanical transformer
Which option is correct and why?
|
The correct answer is: electronic transformer.
|
B
|
What causes the menstrual cycle to be repeated?
|
[
"uteris",
"gravity",
"ovaries",
"lack of fertilization"
] |
lack of fertilization
|
Answer the following multiple-choice question.
Question: What causes the menstrual cycle to be repeated?
Options:
A. uteris
B. gravity
C. ovaries
D. lack of fertilization
Which option is correct and why?
|
The correct answer is: lack of fertilization.
|
D
|
Fog disappears when the water droplets change back to what?
|
[
"water vapor",
"cold vapor",
"ice vapor",
"solid vapor"
] |
water vapor
|
Answer the following multiple-choice question.
Question: Fog disappears when the water droplets change back to what?
Options:
A. water vapor
B. cold vapor
C. ice vapor
D. solid vapor
Which option is correct and why?
|
The correct answer is: water vapor.
|
A
|
Animals that have feeding patterns that are somewhere between that of herbivores and carnivores can be called what?
|
[
"nematodes",
"omnivores",
"insectivores",
"megavores"
] |
omnivores
|
Answer the following multiple-choice question.
Question: Animals that have feeding patterns that are somewhere between that of herbivores and carnivores can be called what?
Options:
A. nematodes
B. omnivores
C. insectivores
D. megavores
Which option is correct and why?
|
The correct answer is: omnivores.
|
B
|
What cells are typically characterized by the polarized distribution of organelles and membrane-bound proteins between their basal and apical surfaces?
|
[
"nerve cells",
"epithelial cells",
"connective tissue",
"mast cells"
] |
epithelial cells
|
Answer the following multiple-choice question.
Question: What cells are typically characterized by the polarized distribution of organelles and membrane-bound proteins between their basal and apical surfaces?
Options:
A. nerve cells
B. epithelial cells
C. connective tissue
D. mast cells
Which option is correct and why?
|
The correct answer is: epithelial cells.
|
B
|
What are structures that have a common function and suggest common ancestry?
|
[
"analogous structures",
"homologous structures",
"monogamous structures",
"reversible structures"
] |
homologous structures
|
Answer the following multiple-choice question.
Question: What are structures that have a common function and suggest common ancestry?
Options:
A. analogous structures
B. homologous structures
C. monogamous structures
D. reversible structures
Which option is correct and why?
|
The correct answer is: homologous structures.
|
B
|
What determines the strength of a base when dissolved in water?
|
[
"amount of hydroxide ions produced",
"saline content",
"pH level",
"amount of phosphorus ions produced"
] |
amount of hydroxide ions produced
|
Answer the following multiple-choice question.
Question: What determines the strength of a base when dissolved in water?
Options:
A. amount of hydroxide ions produced
B. saline content
C. pH level
D. amount of phosphorus ions produced
Which option is correct and why?
|
The correct answer is: amount of hydroxide ions produced.
|
A
|
The smallest known species of cactus, called Blossfeldia Liliputana, is named after
|
[
"The Hobbit characters by J. R. R. Tolkien",
"a fictional island in Gulliver's Travels by Jonathan Swift",
"Frodo Baggins from Lord of the Rings",
"Bilbo Baggins from Lord of the Rings"
] |
a fictional island in Gulliver's Travels by Jonathan Swift
|
Answer the following multiple-choice question.
Question: The smallest known species of cactus, called Blossfeldia Liliputana, is named after
Options:
A. The Hobbit characters by J. R. R. Tolkien
B. a fictional island in Gulliver's Travels by Jonathan Swift
C. Frodo Baggins from Lord of the Rings
D. Bilbo Baggins from Lord of the Rings
Which option is correct and why?
|
The correct answer is: a fictional island in Gulliver's Travels by Jonathan Swift.
|
B
|
In a food chain, only about 10 percent of what passes to the next level?
|
[
"mineral",
"hydrogen",
"energy",
"vitamins"
] |
energy
|
Answer the following multiple-choice question.
Question: In a food chain, only about 10 percent of what passes to the next level?
Options:
A. mineral
B. hydrogen
C. energy
D. vitamins
Which option is correct and why?
|
The correct answer is: energy.
|
C
|
You are likely to find the fewest amount of animals in
|
[
"the Pacific Ocean",
"the Amazon rainforest",
"the African Savanna",
"the Arctic"
] |
the Arctic
|
Answer the following multiple-choice question.
Question: You are likely to find the fewest amount of animals in
Options:
A. the Pacific Ocean
B. the Amazon rainforest
C. the African Savanna
D. the Arctic
Which option is correct and why?
|
The correct answer is: the Arctic.
|
D
|
Generally, momentum implies a tendency to continue on course—to move in the same direction—and is associated with great mass and speed. momentum, like energy, is important because it is what?
|
[
"sequences",
"conserved",
"endless",
"invisible"
] |
conserved
|
Answer the following multiple-choice question.
Question: Generally, momentum implies a tendency to continue on course—to move in the same direction—and is associated with great mass and speed. momentum, like energy, is important because it is what?
Options:
A. sequences
B. conserved
C. endless
D. invisible
Which option is correct and why?
|
The correct answer is: conserved.
|
B
|
if you see little wet spots on your windshield, what might have happened?
|
[
"the sun is setting",
"vapor transformed into droplets",
"the moon is rising",
"the windshield is dissolving"
] |
vapor transformed into droplets
|
Answer the following multiple-choice question.
Question: if you see little wet spots on your windshield, what might have happened?
Options:
A. the sun is setting
B. vapor transformed into droplets
C. the moon is rising
D. the windshield is dissolving
Which option is correct and why?
|
The correct answer is: vapor transformed into droplets.
|
B
|
Arteries, veins, and capillaries are the three main types of what?
|
[
"blood shapes",
"cell structures",
"blood pathways",
"blood vessels"
] |
blood vessels
|
Answer the following multiple-choice question.
Question: Arteries, veins, and capillaries are the three main types of what?
Options:
A. blood shapes
B. cell structures
C. blood pathways
D. blood vessels
Which option is correct and why?
|
The correct answer is: blood vessels.
|
D
|
what is usually larger than streams?
|
[
"bathtubs",
"h2o from a tap",
"loose soil",
"body water",
"an object",
"puddles",
"Euphrates",
"four limbs"
] |
Euphrates
|
Answer the following multiple-choice question.
Question: what is usually larger than streams?
Options:
A. bathtubs
B. h2o from a tap
C. loose soil
D. body water
E. an object
F. puddles
G. Euphrates
H. four limbs
Which option is correct and why?
|
The correct answer is: Euphrates.
|
A
|
The loss in length of what causes cells to age?
|
[
"fur and fat",
"layers of fat",
"cell membrane",
"sunlight",
"Chlorophyll",
"telomeres",
"programmed cell death",
"cancer"
] |
telomeres
|
Answer the following multiple-choice question.
Question: The loss in length of what causes cells to age?
Options:
A. fur and fat
B. layers of fat
C. cell membrane
D. sunlight
E. Chlorophyll
F. telomeres
G. programmed cell death
H. cancer
Which option is correct and why?
|
The correct answer is: telomeres.
|
A
|
What is the term for interactions between individuals of different species over an extended period of time which impact the abundance and distribution of the associating populations?
|
[
"food chain",
"parasitic relationships",
"symbiotic relationships",
"cooperative evolution"
] |
symbiotic relationships
|
Answer the following multiple-choice question.
Question: What is the term for interactions between individuals of different species over an extended period of time which impact the abundance and distribution of the associating populations?
Options:
A. food chain
B. parasitic relationships
C. symbiotic relationships
D. cooperative evolution
Which option is correct and why?
|
The correct answer is: symbiotic relationships.
|
C
|
While enzymatic hydrolysis proceeds, peristalsis moves the mixture of chyme and digestive juices along what?
|
[
"stomach",
"small intestine",
"large intestine",
"esophagus"
] |
small intestine
|
Answer the following multiple-choice question.
Question: While enzymatic hydrolysis proceeds, peristalsis moves the mixture of chyme and digestive juices along what?
Options:
A. stomach
B. small intestine
C. large intestine
D. esophagus
Which option is correct and why?
|
The correct answer is: small intestine.
|
B
|
Additional consistent force on a vehicle moving forward will cause that vehicle to
|
[
"slightly accelerate",
"stop",
"slow down",
"turn"
] |
slightly accelerate
|
Answer the following multiple-choice question.
Question: Additional consistent force on a vehicle moving forward will cause that vehicle to
Options:
A. slightly accelerate
B. stop
C. slow down
D. turn
Which option is correct and why?
|
The correct answer is: slightly accelerate.
|
A
|
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