question stringlengths 4 399 ⌀ | options listlengths 4 8 ⌀ | correct_answer stringlengths 1 116 ⌀ | prompt stringlengths 146 739 ⌀ | completion stringlengths 25 140 ⌀ |
|---|---|---|---|---|
null | null | null | null | null |
what reproduces sexually? | [
"ferns",
"density",
"clams",
"h2o",
"toads",
"legumes",
"bacteria",
"bamboo"
] | clams | Answer the following multiple-choice question.
Question: what reproduces sexually?
Options:
A. ferns
B. density
C. clams
D. h2o
E. toads
F. legumes
G. bacteria
H. bamboo
Which option is correct and why? | The correct answer is: clams. |
A cat and a snake are both predators for several of the same animals. If there are only seven mice in a habitat shared by a cat and a snake, there will be | [
"a shared meal between them",
"a war between mice and cats",
"pressure on them to get the mice before the other does",
"enough for each of them to have ten mice"
] | pressure on them to get the mice before the other does | Answer the following multiple-choice question.
Question: A cat and a snake are both predators for several of the same animals. If there are only seven mice in a habitat shared by a cat and a snake, there will be
Options:
A. a shared meal between them
B. a war between mice and cats
C. pressure on them to get the mice before the other does
D. enough for each of them to have ten mice
Which option is correct and why? | The correct answer is: pressure on them to get the mice before the other does. |
What term is used to describe a collection of molecules surrounded by a phospholipid bilayer that is capable of reproducing itself? | [
"proteins",
"cell",
"organism",
"atom"
] | cell | Answer the following multiple-choice question.
Question: What term is used to describe a collection of molecules surrounded by a phospholipid bilayer that is capable of reproducing itself?
Options:
A. proteins
B. cell
C. organism
D. atom
Which option is correct and why? | The correct answer is: cell. |
The mole fraction of the solvent is just one minus the mole fraction of what? | [
"solute",
"molecules",
"solution",
"nutrients"
] | solute | Answer the following multiple-choice question.
Question: The mole fraction of the solvent is just one minus the mole fraction of what?
Options:
A. solute
B. molecules
C. solution
D. nutrients
Which option is correct and why? | The correct answer is: solute. |
What is a strombolian eruption named for? | [
"mt. st. helens",
"an ice cleaner",
"a country",
"mt. stromboli"
] | mt. stromboli | Answer the following multiple-choice question.
Question: What is a strombolian eruption named for?
Options:
A. mt. st. helens
B. an ice cleaner
C. a country
D. mt. stromboli
Which option is correct and why? | The correct answer is: mt. stromboli. |
The esophagus runs a mainly straight route through the mediastinum of what? | [
"liver",
"lungs",
"thorax",
"stomach"
] | thorax | Answer the following multiple-choice question.
Question: The esophagus runs a mainly straight route through the mediastinum of what?
Options:
A. liver
B. lungs
C. thorax
D. stomach
Which option is correct and why? | The correct answer is: thorax. |
Winter in the Northern Hemisphere means | [
"the Northern Hemisphere is experiencing scorching hot weather",
"the Northern Hemisphere is experiencing daily torrential rain",
"the Southern Hemisphere is experiencing warm sunny days",
"the Southern Hemisphere is experiencing frigid temperatures"
] | the Southern Hemisphere is experiencing warm sunny days | Answer the following multiple-choice question.
Question: Winter in the Northern Hemisphere means
Options:
A. the Northern Hemisphere is experiencing scorching hot weather
B. the Northern Hemisphere is experiencing daily torrential rain
C. the Southern Hemisphere is experiencing warm sunny days
D. the Southern Hemisphere is experiencing frigid temperatures
Which option is correct and why? | The correct answer is: the Southern Hemisphere is experiencing warm sunny days. |
What can chemical splashing cause to humans? | [
"death",
"pain",
"pleasure",
"birth",
"satisfaction",
"cancer",
"deadly",
"Injury"
] | pain | Answer the following multiple-choice question.
Question: What can chemical splashing cause to humans?
Options:
A. death
B. pain
C. pleasure
D. birth
E. satisfaction
F. cancer
G. deadly
H. Injury
Which option is correct and why? | The correct answer is: pain. |
Water in its solid state is commonly known as what? | [
"ice",
"carbon dioxide",
"sea",
"glass"
] | ice | Answer the following multiple-choice question.
Question: Water in its solid state is commonly known as what?
Options:
A. ice
B. carbon dioxide
C. sea
D. glass
Which option is correct and why? | The correct answer is: ice. |
What gas comprises about three-fourths of earth's atmosphere? | [
"hydrogen",
"oxygen",
"carbon dioxide",
"nitrogen"
] | nitrogen | Answer the following multiple-choice question.
Question: What gas comprises about three-fourths of earth's atmosphere?
Options:
A. hydrogen
B. oxygen
C. carbon dioxide
D. nitrogen
Which option is correct and why? | The correct answer is: nitrogen. |
What is one function of the nervous system in humans? | [
"controlling muscles",
"producing hormones",
"controlling thought",
"controlling emotion"
] | controlling muscles | Answer the following multiple-choice question.
Question: What is one function of the nervous system in humans?
Options:
A. controlling muscles
B. producing hormones
C. controlling thought
D. controlling emotion
Which option is correct and why? | The correct answer is: controlling muscles. |
Terrestrial animals lose water by evaporation from their skin and which surfaces? | [
"anaerobic",
"respiratory",
"digestive",
"pulmonary"
] | respiratory | Answer the following multiple-choice question.
Question: Terrestrial animals lose water by evaporation from their skin and which surfaces?
Options:
A. anaerobic
B. respiratory
C. digestive
D. pulmonary
Which option is correct and why? | The correct answer is: respiratory. |
null | null | null | null | null |
what is essential for evolution? | [
"hurricanes",
"that material's properties",
"remains of prehistoric life",
"the body's largest organ",
"revolutions",
"Plant reproduction",
"natural disasters",
"random changes in genes"
] | random changes in genes | Answer the following multiple-choice question.
Question: what is essential for evolution?
Options:
A. hurricanes
B. that material's properties
C. remains of prehistoric life
D. the body's largest organ
E. revolutions
F. Plant reproduction
G. natural disasters
H. random changes in genes
Which option is correct and why? | The correct answer is: random changes in genes. |
A person in a suit near a sunken ship is sprayed in the face with a dark substance by | [
"a cephalopod",
"a bear",
"a hose",
"a pencil"
] | a cephalopod | Answer the following multiple-choice question.
Question: A person in a suit near a sunken ship is sprayed in the face with a dark substance by
Options:
A. a cephalopod
B. a bear
C. a hose
D. a pencil
Which option is correct and why? | The correct answer is: a cephalopod. |
A living thing will expire if access to this is removed for a time. | [
"balloons with helium gas",
"their favorite new shoes",
"a comfortable sitting chair",
"ability to experience respiration"
] | ability to experience respiration | Answer the following multiple-choice question.
Question: A living thing will expire if access to this is removed for a time.
Options:
A. balloons with helium gas
B. their favorite new shoes
C. a comfortable sitting chair
D. ability to experience respiration
Which option is correct and why? | The correct answer is: ability to experience respiration. |
The first few species to colonize a disturbed area are called what? | [
"pioneer species",
"producer species",
"original species",
"colonization species"
] | pioneer species | Answer the following multiple-choice question.
Question: The first few species to colonize a disturbed area are called what?
Options:
A. pioneer species
B. producer species
C. original species
D. colonization species
Which option is correct and why? | The correct answer is: pioneer species. |
How do sea lions keep warm? | [
"protected",
"warm",
"Swimming fast",
"Sleeping",
"hydration",
"Blubber",
"four limbs",
"Eating a lot of fish"
] | Blubber | Answer the following multiple-choice question.
Question: How do sea lions keep warm?
Options:
A. protected
B. warm
C. Swimming fast
D. Sleeping
E. hydration
F. Blubber
G. four limbs
H. Eating a lot of fish
Which option is correct and why? | The correct answer is: Blubber. |
What are factors in the creation of formations in the desert? | [
"scattered light",
"the pyramids",
"global warming",
"Physical weathering",
"salinity",
"tombs",
"Sahara",
"wind and erosion"
] | wind and erosion | Answer the following multiple-choice question.
Question: What are factors in the creation of formations in the desert?
Options:
A. scattered light
B. the pyramids
C. global warming
D. Physical weathering
E. salinity
F. tombs
G. Sahara
H. wind and erosion
Which option is correct and why? | The correct answer is: wind and erosion. |
What do sudoriferous glands secrete? | [
"tissue",
"moving",
"sweat",
"water"
] | sweat | Answer the following multiple-choice question.
Question: What do sudoriferous glands secrete?
Options:
A. tissue
B. moving
C. sweat
D. water
Which option is correct and why? | The correct answer is: sweat. |
What can humans hide from weather in? | [
"a shady tree",
"a local museum",
"a soda can",
"a playground"
] | a local museum | Answer the following multiple-choice question.
Question: What can humans hide from weather in?
Options:
A. a shady tree
B. a local museum
C. a soda can
D. a playground
Which option is correct and why? | The correct answer is: a local museum. |
null | null | null | null | null |
What comes from non-renewable resources? | [
"plastic bags",
"renewable goods",
"burning coal",
"emissions",
"carbon dioxide",
"organic plants",
"paper",
"Sulfur dioxide"
] | plastic bags | Answer the following multiple-choice question.
Question: What comes from non-renewable resources?
Options:
A. plastic bags
B. renewable goods
C. burning coal
D. emissions
E. carbon dioxide
F. organic plants
G. paper
H. Sulfur dioxide
Which option is correct and why? | The correct answer is: plastic bags. |
Has the average annual temperature on earth been rising or falling for the past 100 years? | [
"fluctuating",
"unchanged",
"falling",
"rising"
] | rising | Answer the following multiple-choice question.
Question: Has the average annual temperature on earth been rising or falling for the past 100 years?
Options:
A. fluctuating
B. unchanged
C. falling
D. rising
Which option is correct and why? | The correct answer is: rising. |
Alkenes with the same atoms but different shapes are called what? | [
"isomers",
"monomers",
"alcohols",
"isotopes"
] | isomers | Answer the following multiple-choice question.
Question: Alkenes with the same atoms but different shapes are called what?
Options:
A. isomers
B. monomers
C. alcohols
D. isotopes
Which option is correct and why? | The correct answer is: isomers. |
Enzymes in cellular reactions work to do what to the reaction? | [
"decrease heat",
"speed it up",
"increase yield",
"slow it down"
] | speed it up | Answer the following multiple-choice question.
Question: Enzymes in cellular reactions work to do what to the reaction?
Options:
A. decrease heat
B. speed it up
C. increase yield
D. slow it down
Which option is correct and why? | The correct answer is: speed it up. |
An example of camouflage is | [
"a polar bear on a sand dune",
"a lizard appearing like the dead things that fall from trees in the fall",
"a frog that is all white",
"a garter snake on a white driveway"
] | a lizard appearing like the dead things that fall from trees in the fall | Answer the following multiple-choice question.
Question: An example of camouflage is
Options:
A. a polar bear on a sand dune
B. a lizard appearing like the dead things that fall from trees in the fall
C. a frog that is all white
D. a garter snake on a white driveway
Which option is correct and why? | The correct answer is: a lizard appearing like the dead things that fall from trees in the fall. |
A plant's roots break down rocks as the roots do what? | [
"decay",
"grow old",
"develop",
"dcerease"
] | develop | Answer the following multiple-choice question.
Question: A plant's roots break down rocks as the roots do what?
Options:
A. decay
B. grow old
C. develop
D. dcerease
Which option is correct and why? | The correct answer is: develop. |
what size are lymphocytes? | [
"small",
"PDAs",
"massive",
"dense",
"white",
"huge",
"CO 2",
"large"
] | small | Answer the following multiple-choice question.
Question: what size are lymphocytes?
Options:
A. small
B. PDAs
C. massive
D. dense
E. white
F. huge
G. CO 2
H. large
Which option is correct and why? | The correct answer is: small. |
What is the leading cause of death worldwide? | [
"coronary artery disease",
"cancer",
"lung disease",
"liver failure"
] | coronary artery disease | Answer the following multiple-choice question.
Question: What is the leading cause of death worldwide?
Options:
A. coronary artery disease
B. cancer
C. lung disease
D. liver failure
Which option is correct and why? | The correct answer is: coronary artery disease. |
An object that contains gas often goes | [
"in circles",
"forward",
"down",
"up"
] | up | Answer the following multiple-choice question.
Question: An object that contains gas often goes
Options:
A. in circles
B. forward
C. down
D. up
Which option is correct and why? | The correct answer is: up. |
Which is hotter? | [
"the snow on one's car",
"a recently used iron",
"a rainbow sherbet cone",
"a cup of iced tea"
] | a recently used iron | Answer the following multiple-choice question.
Question: Which is hotter?
Options:
A. the snow on one's car
B. a recently used iron
C. a rainbow sherbet cone
D. a cup of iced tea
Which option is correct and why? | The correct answer is: a recently used iron. |
A person can create the most friction by rolling a ball over | [
"glass",
"gravel",
"ice",
"marble"
] | gravel | Answer the following multiple-choice question.
Question: A person can create the most friction by rolling a ball over
Options:
A. glass
B. gravel
C. ice
D. marble
Which option is correct and why? | The correct answer is: gravel. |
what adults are barrel-shaped? | [
"offspring",
"fertile",
"barnacles",
"Length",
"insects",
"sea squirts",
"humans",
"beer"
] | sea squirts | Answer the following multiple-choice question.
Question: what adults are barrel-shaped?
Options:
A. offspring
B. fertile
C. barnacles
D. Length
E. insects
F. sea squirts
G. humans
H. beer
Which option is correct and why? | The correct answer is: sea squirts. |
As a cell grows, its volume increases more quickly than its what? | [
"density",
"age",
"weight",
"surface area"
] | surface area | Answer the following multiple-choice question.
Question: As a cell grows, its volume increases more quickly than its what?
Options:
A. density
B. age
C. weight
D. surface area
Which option is correct and why? | The correct answer is: surface area. |
What is the capacity to cause change? | [
"gravity",
"temperature",
"mass",
"energy"
] | energy | Answer the following multiple-choice question.
Question: What is the capacity to cause change?
Options:
A. gravity
B. temperature
C. mass
D. energy
Which option is correct and why? | The correct answer is: energy. |
How many types of galaxies are there? | [
"five",
"two",
"three",
"one"
] | three | Answer the following multiple-choice question.
Question: How many types of galaxies are there?
Options:
A. five
B. two
C. three
D. one
Which option is correct and why? | The correct answer is: three. |
What do red blood cells carry? | [
"oxygen",
"carbon dioxide",
"nitrogen",
"hydrogen"
] | oxygen | Answer the following multiple-choice question.
Question: What do red blood cells carry?
Options:
A. oxygen
B. carbon dioxide
C. nitrogen
D. hydrogen
Which option is correct and why? | The correct answer is: oxygen. |
What is a combination of two or more substances in any proportions called? | [
"mix",
"structure",
"mixture",
"Combination"
] | mixture | Answer the following multiple-choice question.
Question: What is a combination of two or more substances in any proportions called?
Options:
A. mix
B. structure
C. mixture
D. Combination
Which option is correct and why? | The correct answer is: mixture. |
Wind and rain cause what to become deeper and wider? | [
"burrs",
"soil",
"time",
"effort",
"eroded",
"solutes",
"river",
"gaps"
] | river | Answer the following multiple-choice question.
Question: Wind and rain cause what to become deeper and wider?
Options:
A. burrs
B. soil
C. time
D. effort
E. eroded
F. solutes
G. river
H. gaps
Which option is correct and why? | The correct answer is: river. |
What feature allows frogs to absorb substances from the environment? | [
"four limbs",
"poison dart frog",
"hydrate their cells",
"permeable skin",
"layers of fat",
"a cuticle",
"predators",
"double eyelid"
] | permeable skin | Answer the following multiple-choice question.
Question: What feature allows frogs to absorb substances from the environment?
Options:
A. four limbs
B. poison dart frog
C. hydrate their cells
D. permeable skin
E. layers of fat
F. a cuticle
G. predators
H. double eyelid
Which option is correct and why? | The correct answer is: permeable skin. |
What are the two main parts of the human nervous system? | [
"brain, spinal cord",
"brain, heart",
"lungs, spinal cord",
"lungs, brain"
] | brain, spinal cord | Answer the following multiple-choice question.
Question: What are the two main parts of the human nervous system?
Options:
A. brain, spinal cord
B. brain, heart
C. lungs, spinal cord
D. lungs, brain
Which option is correct and why? | The correct answer is: brain, spinal cord. |
Where did west nile first appear? | [
"North Africa",
"Southeast Asia",
"north america",
"Central America"
] | north america | Answer the following multiple-choice question.
Question: Where did west nile first appear?
Options:
A. North Africa
B. Southeast Asia
C. north america
D. Central America
Which option is correct and why? | The correct answer is: north america. |
A dog outside could be shuddering uncontrollably. Which of these could be related? | [
"they were scared by their own shadow",
"they ate too much food",
"white precipitation is falling and it's windy",
"they are very tired"
] | white precipitation is falling and it's windy | Answer the following multiple-choice question.
Question: A dog outside could be shuddering uncontrollably. Which of these could be related?
Options:
A. they were scared by their own shadow
B. they ate too much food
C. white precipitation is falling and it's windy
D. they are very tired
Which option is correct and why? | The correct answer is: white precipitation is falling and it's windy. |
To destroy embarrassing evidence you can | [
"clobber it with a whale",
"post it on a social network",
"discard it in a rubbish bin",
"flick it into lava"
] | flick it into lava | Answer the following multiple-choice question.
Question: To destroy embarrassing evidence you can
Options:
A. clobber it with a whale
B. post it on a social network
C. discard it in a rubbish bin
D. flick it into lava
Which option is correct and why? | The correct answer is: flick it into lava. |
An atom that gains or loses electrons is called what? | [
"quark",
"ion",
"photon",
"isotope"
] | ion | Answer the following multiple-choice question.
Question: An atom that gains or loses electrons is called what?
Options:
A. quark
B. ion
C. photon
D. isotope
Which option is correct and why? | The correct answer is: ion. |
Ethanol sometimes might be | [
"concocted",
"love",
"magic",
"affection"
] | concocted | Answer the following multiple-choice question.
Question: Ethanol sometimes might be
Options:
A. concocted
B. love
C. magic
D. affection
Which option is correct and why? | The correct answer is: concocted. |
What are the chemical formulas for covalent compounds referred to as? | [
"molecular formulas",
"magnetic formulas",
"Electron Formulas",
"nucleus formulas"
] | molecular formulas | Answer the following multiple-choice question.
Question: What are the chemical formulas for covalent compounds referred to as?
Options:
A. molecular formulas
B. magnetic formulas
C. Electron Formulas
D. nucleus formulas
Which option is correct and why? | The correct answer is: molecular formulas. |
What are the only organisms that can perform photosynthesis? | [
"autotrophs",
"heterotrophs",
"sponges",
"monocots"
] | autotrophs | Answer the following multiple-choice question.
Question: What are the only organisms that can perform photosynthesis?
Options:
A. autotrophs
B. heterotrophs
C. sponges
D. monocots
Which option is correct and why? | The correct answer is: autotrophs. |
What is it in bone marrow transplants that may cause a graft versus host reaction? | [
"cancer",
"lymphocytes",
"tumors",
"neutrophils"
] | lymphocytes | Answer the following multiple-choice question.
Question: What is it in bone marrow transplants that may cause a graft versus host reaction?
Options:
A. cancer
B. lymphocytes
C. tumors
D. neutrophils
Which option is correct and why? | The correct answer is: lymphocytes. |
Peat is an important factor when | [
"Driving a new car",
"Putting a fresh raspberry seed in soil",
"Taking the temperature for the day",
"Having a large breakfast"
] | Putting a fresh raspberry seed in soil | Answer the following multiple-choice question.
Question: Peat is an important factor when
Options:
A. Driving a new car
B. Putting a fresh raspberry seed in soil
C. Taking the temperature for the day
D. Having a large breakfast
Which option is correct and why? | The correct answer is: Putting a fresh raspberry seed in soil. |
Meiosis and mitosis are both preceded by one round of what? | [
"dna replication",
"germination",
"cellular respiration",
"internal fertilization"
] | dna replication | Answer the following multiple-choice question.
Question: Meiosis and mitosis are both preceded by one round of what?
Options:
A. dna replication
B. germination
C. cellular respiration
D. internal fertilization
Which option is correct and why? | The correct answer is: dna replication. |
Which disease causes cells to divide out of control | [
"mutation",
"arthritis",
"autoimmune diseases",
"cancer"
] | cancer | Answer the following multiple-choice question.
Question: Which disease causes cells to divide out of control
Options:
A. mutation
B. arthritis
C. autoimmune diseases
D. cancer
Which option is correct and why? | The correct answer is: cancer. |
The count of rings in a pine has a one to one relationship with the number of years it has | [
"shrunk",
"produced pine cones",
"had mistletoe",
"grown"
] | grown | Answer the following multiple-choice question.
Question: The count of rings in a pine has a one to one relationship with the number of years it has
Options:
A. shrunk
B. produced pine cones
C. had mistletoe
D. grown
Which option is correct and why? | The correct answer is: grown. |
What can water's high surface tension be attributed t? | [
"molecules create a thin film-like substance",
"electric impulses in atoms",
"territorial molecules sticking together",
"polar molecules sticking together"
] | polar molecules sticking together | Answer the following multiple-choice question.
Question: What can water's high surface tension be attributed t?
Options:
A. molecules create a thin film-like substance
B. electric impulses in atoms
C. territorial molecules sticking together
D. polar molecules sticking together
Which option is correct and why? | The correct answer is: polar molecules sticking together. |
Chemical changes occur because of what? | [
"evaporation",
"liquid reactions",
"chemical reactions",
"toxic reactions"
] | chemical reactions | Answer the following multiple-choice question.
Question: Chemical changes occur because of what?
Options:
A. evaporation
B. liquid reactions
C. chemical reactions
D. toxic reactions
Which option is correct and why? | The correct answer is: chemical reactions. |
What falls decreasingly on the earth from the equator to the poles? | [
"autumn",
"heat",
"chill",
"Vapor",
"Energy",
"cold",
"summer",
"Mass"
] | heat | Answer the following multiple-choice question.
Question: What falls decreasingly on the earth from the equator to the poles?
Options:
A. autumn
B. heat
C. chill
D. Vapor
E. Energy
F. cold
G. summer
H. Mass
Which option is correct and why? | The correct answer is: heat. |
What type of activity in the brain causes epilepsy? | [
"abnormal electrical activity",
"bleeding",
"toxic overload",
"hormone imbalance"
] | abnormal electrical activity | Answer the following multiple-choice question.
Question: What type of activity in the brain causes epilepsy?
Options:
A. abnormal electrical activity
B. bleeding
C. toxic overload
D. hormone imbalance
Which option is correct and why? | The correct answer is: abnormal electrical activity. |
Where are protons and neutrons located? | [
"outside the nucleus",
"secondary nucleus",
"central nucleus",
"orbitals"
] | central nucleus | Answer the following multiple-choice question.
Question: Where are protons and neutrons located?
Options:
A. outside the nucleus
B. secondary nucleus
C. central nucleus
D. orbitals
Which option is correct and why? | The correct answer is: central nucleus. |
The growth in what comes from primary and secondary meristems can be measured with a ruler? | [
"bushes",
"years",
"Trees",
"three",
"roots",
"bamboo",
"rings",
"a prism"
] | roots | Answer the following multiple-choice question.
Question: The growth in what comes from primary and secondary meristems can be measured with a ruler?
Options:
A. bushes
B. years
C. Trees
D. three
E. roots
F. bamboo
G. rings
H. a prism
Which option is correct and why? | The correct answer is: roots. |
A mutation in which type of cell can cause a new trait to appear in a parent 's offspring | [
"pollen",
"RNA",
"Gamete",
"Nerve cell",
"DNA",
"Somatic cell",
"hormones",
"Brain cell"
] | Gamete | Answer the following multiple-choice question.
Question: A mutation in which type of cell can cause a new trait to appear in a parent 's offspring
Options:
A. pollen
B. RNA
C. Gamete
D. Nerve cell
E. DNA
F. Somatic cell
G. hormones
H. Brain cell
Which option is correct and why? | The correct answer is: Gamete. |
what do zooplankton feed on? | [
"planktonic plants",
"Chemical energy",
"animals",
"microorganisms",
"NaCl",
"Chlorophyll",
"insects",
"an area swollen with pus"
] | planktonic plants | Answer the following multiple-choice question.
Question: what do zooplankton feed on?
Options:
A. planktonic plants
B. Chemical energy
C. animals
D. microorganisms
E. NaCl
F. Chlorophyll
G. insects
H. an area swollen with pus
Which option is correct and why? | The correct answer is: planktonic plants. |
It's easy to be crushed by rocks lounging | [
"near a sloping mountainside",
"on a frozen pond",
"on a mall escalator",
"in the middle of a peaceful cemetery"
] | near a sloping mountainside | Answer the following multiple-choice question.
Question: It's easy to be crushed by rocks lounging
Options:
A. near a sloping mountainside
B. on a frozen pond
C. on a mall escalator
D. in the middle of a peaceful cemetery
Which option is correct and why? | The correct answer is: near a sloping mountainside. |
How does urine leave the body? | [
"metabolic reaction",
"through the small intestines",
"Transfers energy",
"an area swollen with pus",
"To another location like underground",
"through the urinary system",
"through the anus",
"through the body"
] | through the urinary system | Answer the following multiple-choice question.
Question: How does urine leave the body?
Options:
A. metabolic reaction
B. through the small intestines
C. Transfers energy
D. an area swollen with pus
E. To another location like underground
F. through the urinary system
G. through the anus
H. through the body
Which option is correct and why? | The correct answer is: through the urinary system. |
Individuals with what condition experience depigmentation that results in lighter colored patches of skin? | [
"dementia",
"psoriasis",
"vitiligo",
"eczema"
] | vitiligo | Answer the following multiple-choice question.
Question: Individuals with what condition experience depigmentation that results in lighter colored patches of skin?
Options:
A. dementia
B. psoriasis
C. vitiligo
D. eczema
Which option is correct and why? | The correct answer is: vitiligo. |
What are the narrowest blood vessels, where oxygen is transferred into body cells? | [
"capillaries",
"muscles",
"arteries",
"viens"
] | capillaries | Answer the following multiple-choice question.
Question: What are the narrowest blood vessels, where oxygen is transferred into body cells?
Options:
A. capillaries
B. muscles
C. arteries
D. viens
Which option is correct and why? | The correct answer is: capillaries. |
What requires great amounts of water to use their gills to extract dissolved oxygen? | [
"most cephalopods",
"alligators",
"starfish",
"aquatic animals",
"Jellyfish",
"water foul",
"platypus",
"Lobsters"
] | aquatic animals | Answer the following multiple-choice question.
Question: What requires great amounts of water to use their gills to extract dissolved oxygen?
Options:
A. most cephalopods
B. alligators
C. starfish
D. aquatic animals
E. Jellyfish
F. water foul
G. platypus
H. Lobsters
Which option is correct and why? | The correct answer is: aquatic animals. |
What type of movement is caused by erosion from direct gravity? | [
"mass movement",
"frictional movement",
"electron movement",
"normal movement"
] | mass movement | Answer the following multiple-choice question.
Question: What type of movement is caused by erosion from direct gravity?
Options:
A. mass movement
B. frictional movement
C. electron movement
D. normal movement
Which option is correct and why? | The correct answer is: mass movement. |
Fungus-like protist saprobes play what role in a food chain and are specialized to absorb nutrients from nonliving organic matter, such as dead organisms or their wastes? | [
"decomposers",
"fluxes",
"aphids",
"Soil"
] | decomposers | Answer the following multiple-choice question.
Question: Fungus-like protist saprobes play what role in a food chain and are specialized to absorb nutrients from nonliving organic matter, such as dead organisms or their wastes?
Options:
A. decomposers
B. fluxes
C. aphids
D. Soil
Which option is correct and why? | The correct answer is: decomposers. |
Rivers are usually larger than what | [
"objects that have mass",
"body water",
"colder and wetter",
"Veins and arteries.",
"allow growth",
"loose soil",
"at or near the margins",
"mountain sources"
] | mountain sources | Answer the following multiple-choice question.
Question: Rivers are usually larger than what
Options:
A. objects that have mass
B. body water
C. colder and wetter
D. Veins and arteries.
E. allow growth
F. loose soil
G. at or near the margins
H. mountain sources
Which option is correct and why? | The correct answer is: mountain sources. |
What gas is produced by burning propane? | [
"Greenhouse gases",
"Sulfur dioxide",
"gasoline",
"Carbon monoxide",
"hydrocarbons",
"carbon dioxide",
"dangerous",
"heating liquids"
] | Carbon monoxide | Answer the following multiple-choice question.
Question: What gas is produced by burning propane?
Options:
A. Greenhouse gases
B. Sulfur dioxide
C. gasoline
D. Carbon monoxide
E. hydrocarbons
F. carbon dioxide
G. dangerous
H. heating liquids
Which option is correct and why? | The correct answer is: Carbon monoxide. |
What is the largest planet in the solar system? | [
"mars",
"saturn",
"jupiter",
"pluto"
] | jupiter | Answer the following multiple-choice question.
Question: What is the largest planet in the solar system?
Options:
A. mars
B. saturn
C. jupiter
D. pluto
Which option is correct and why? | The correct answer is: jupiter. |
Many important crops, such as corn, are planted and harvested as what? | [
"trees",
"berries",
"cuttings",
"seeds"
] | seeds | Answer the following multiple-choice question.
Question: Many important crops, such as corn, are planted and harvested as what?
Options:
A. trees
B. berries
C. cuttings
D. seeds
Which option is correct and why? | The correct answer is: seeds. |
Rising and falling levels of what will result in progression of the ovarian and menstrual cycles? | [
"oxygen",
"hormones",
"red blood cells",
"blood pressure"
] | hormones | Answer the following multiple-choice question.
Question: Rising and falling levels of what will result in progression of the ovarian and menstrual cycles?
Options:
A. oxygen
B. hormones
C. red blood cells
D. blood pressure
Which option is correct and why? | The correct answer is: hormones. |
When a fluorine atom gains an electron, it becomes a negative what? | [
"sulfide ion",
"potassium ion",
"hydrogen ion",
"fluoride ion"
] | fluoride ion | Answer the following multiple-choice question.
Question: When a fluorine atom gains an electron, it becomes a negative what?
Options:
A. sulfide ion
B. potassium ion
C. hydrogen ion
D. fluoride ion
Which option is correct and why? | The correct answer is: fluoride ion. |
null | null | null | null | null |
what detects and responds to the daily cycle of light and darkness? | [
"fens",
"apples",
"oxygen",
"Oak",
"gravity",
"amoeba",
"earth's rotation",
"bushes"
] | bushes | Answer the following multiple-choice question.
Question: what detects and responds to the daily cycle of light and darkness?
Options:
A. fens
B. apples
C. oxygen
D. Oak
E. gravity
F. amoeba
G. earth's rotation
H. bushes
Which option is correct and why? | The correct answer is: bushes. |
Inserting an extra plane of atoms into a crystal lattice produces what? | [
"edge dislocation",
"spot dislocation",
"spot location",
"edge location"
] | edge dislocation | Answer the following multiple-choice question.
Question: Inserting an extra plane of atoms into a crystal lattice produces what?
Options:
A. edge dislocation
B. spot dislocation
C. spot location
D. edge location
Which option is correct and why? | The correct answer is: edge dislocation. |
What carry messages from our sensory organs and others to the central nervous system? | [
"valves",
"fibers",
"nerves",
"blood vessels"
] | nerves | Answer the following multiple-choice question.
Question: What carry messages from our sensory organs and others to the central nervous system?
Options:
A. valves
B. fibers
C. nerves
D. blood vessels
Which option is correct and why? | The correct answer is: nerves. |
When the hydrogen is nearly used up, the star can fuse which element into heavier elements? | [
"oxygen",
"helium",
"carbon",
"xenon"
] | helium | Answer the following multiple-choice question.
Question: When the hydrogen is nearly used up, the star can fuse which element into heavier elements?
Options:
A. oxygen
B. helium
C. carbon
D. xenon
Which option is correct and why? | The correct answer is: helium. |
When did we learn there was a hole in the ozone layer? | [
"1990's",
"1970s",
"1980s",
"1950s"
] | 1980s | Answer the following multiple-choice question.
Question: When did we learn there was a hole in the ozone layer?
Options:
A. 1990's
B. 1970s
C. 1980s
D. 1950s
Which option is correct and why? | The correct answer is: 1980s. |
Water plus other substances makes what? | [
"element",
"solution",
"mixture",
"oil"
] | solution | Answer the following multiple-choice question.
Question: Water plus other substances makes what?
Options:
A. element
B. solution
C. mixture
D. oil
Which option is correct and why? | The correct answer is: solution. |
In an acidic medium, add which ions to balance? | [
"magnesium",
"hydrogen",
"helium",
"calcium"
] | hydrogen | Answer the following multiple-choice question.
Question: In an acidic medium, add which ions to balance?
Options:
A. magnesium
B. hydrogen
C. helium
D. calcium
Which option is correct and why? | The correct answer is: hydrogen. |
Which likely can hydrate without moving? | [
"a panda",
"a bamboo stalk",
"a raccoon",
"a dog"
] | a bamboo stalk | Answer the following multiple-choice question.
Question: Which likely can hydrate without moving?
Options:
A. a panda
B. a bamboo stalk
C. a raccoon
D. a dog
Which option is correct and why? | The correct answer is: a bamboo stalk. |
Plants brought to the western United States from the eastern United States often die because of | [
"bad planting methods",
"small spaces",
"the wrong climate",
"people kill them"
] | the wrong climate | Answer the following multiple-choice question.
Question: Plants brought to the western United States from the eastern United States often die because of
Options:
A. bad planting methods
B. small spaces
C. the wrong climate
D. people kill them
Which option is correct and why? | The correct answer is: the wrong climate. |
null | null | null | null | null |
What is formed when a high mass celestial body collapses? | [
"rays or beams",
"Calcium carbonate",
"It gets heated up",
"fossil fuels",
"scattered light",
"layers of fat",
"a black hole",
"heating liquids"
] | a black hole | Answer the following multiple-choice question.
Question: What is formed when a high mass celestial body collapses?
Options:
A. rays or beams
B. Calcium carbonate
C. It gets heated up
D. fossil fuels
E. scattered light
F. layers of fat
G. a black hole
H. heating liquids
Which option is correct and why? | The correct answer is: a black hole. |
What type of climates are found around the equator? | [
"arctics",
"arid",
"tropical",
"tundras"
] | tropical | Answer the following multiple-choice question.
Question: What type of climates are found around the equator?
Options:
A. arctics
B. arid
C. tropical
D. tundras
Which option is correct and why? | The correct answer is: tropical. |
Aging is associated with the death of what? | [
"cells",
"proteins",
"genes",
"muscles"
] | cells | Answer the following multiple-choice question.
Question: Aging is associated with the death of what?
Options:
A. cells
B. proteins
C. genes
D. muscles
Which option is correct and why? | The correct answer is: cells. |
How do electric stoves boil water? | [
"converting electricity to heat",
"burning",
"heat is produced",
"magnetism",
"peltier effect",
"A transportation fuel",
"heating liquids",
"heat production"
] | converting electricity to heat | Answer the following multiple-choice question.
Question: How do electric stoves boil water?
Options:
A. converting electricity to heat
B. burning
C. heat is produced
D. magnetism
E. peltier effect
F. A transportation fuel
G. heating liquids
H. heat production
Which option is correct and why? | The correct answer is: converting electricity to heat. |
How does a gelatinous coating help seeds? | [
"makes Jello",
"water pistol",
"Plant reproduction",
"protect them",
"weightless",
"animal transport",
"reduced heat",
"prolactin release"
] | animal transport | Answer the following multiple-choice question.
Question: How does a gelatinous coating help seeds?
Options:
A. makes Jello
B. water pistol
C. Plant reproduction
D. protect them
E. weightless
F. animal transport
G. reduced heat
H. prolactin release
Which option is correct and why? | The correct answer is: animal transport. |
What can be used to damage plants? | [
"A virus",
"viruses",
"electricity",
"toxins",
"Nematoda",
"leeches",
"storms",
"evaporation"
] | evaporation | Answer the following multiple-choice question.
Question: What can be used to damage plants?
Options:
A. A virus
B. viruses
C. electricity
D. toxins
E. Nematoda
F. leeches
G. storms
H. evaporation
Which option is correct and why? | The correct answer is: evaporation. |
An organism's unique role in the ecosystem is called its what? | [
"purpose",
"focus",
"adaptation",
"niche"
] | niche | Answer the following multiple-choice question.
Question: An organism's unique role in the ecosystem is called its what?
Options:
A. purpose
B. focus
C. adaptation
D. niche
Which option is correct and why? | The correct answer is: niche. |
null | null | null | null | null |
Polyps do not use: | [
"visible energy",
"an organism's body",
"gamete fusion",
"Pesticides",
"Electrical energy",
"heat or cold",
"harmful substances",
"heat energy"
] | gamete fusion | Answer the following multiple-choice question.
Question: Polyps do not use:
Options:
A. visible energy
B. an organism's body
C. gamete fusion
D. Pesticides
E. Electrical energy
F. heat or cold
G. harmful substances
H. heat energy
Which option is correct and why? | The correct answer is: gamete fusion. |
A small pile of worms can do what to a yard of dirt with dead squirrels in it? | [
"blow it up",
"make it glisten",
"pull it apart",
"set it ablaze"
] | pull it apart | Answer the following multiple-choice question.
Question: A small pile of worms can do what to a yard of dirt with dead squirrels in it?
Options:
A. blow it up
B. make it glisten
C. pull it apart
D. set it ablaze
Which option is correct and why? | The correct answer is: pull it apart. |
What can bacterial stis be cured with? | [
"pesticides",
"antioxidants",
"antibiotics",
"antiviral drugs"
] | antibiotics | Answer the following multiple-choice question.
Question: What can bacterial stis be cured with?
Options:
A. pesticides
B. antioxidants
C. antibiotics
D. antiviral drugs
Which option is correct and why? | The correct answer is: antibiotics. |
When oxygen is not bound to heme and the partial pressure of oxygen is low, hemoglobin readily binds to what? | [
"carbon",
"sulfur",
"iron",
"carbon dioxide"
] | carbon dioxide | Answer the following multiple-choice question.
Question: When oxygen is not bound to heme and the partial pressure of oxygen is low, hemoglobin readily binds to what?
Options:
A. carbon
B. sulfur
C. iron
D. carbon dioxide
Which option is correct and why? | The correct answer is: carbon dioxide. |
About how many grams of carbohydrates are in a typical apple? | [
"30",
"25",
"20",
"35"
] | 20 | Answer the following multiple-choice question.
Question: About how many grams of carbohydrates are in a typical apple?
Options:
A. 30
B. 25
C. 20
D. 35
Which option is correct and why? | The correct answer is: 20. |
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