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What is the term for a sac filled with fluid or other material?
[ "cyst", "tumor", "lesion", "blister" ]
cyst
Answer the following multiple-choice question. Question: What is the term for a sac filled with fluid or other material? Options: A. cyst B. tumor C. lesion D. blister Which option is correct and why?
The correct answer is: cyst.
What containing photosynthetic pigments are found in the cells of plants and algae?
[ "Light", "soil", "colors", "pigments", "systems", "Organelles", "color of leaves", "sensory neurons" ]
Organelles
Answer the following multiple-choice question. Question: What containing photosynthetic pigments are found in the cells of plants and algae? Options: A. Light B. soil C. colors D. pigments E. systems F. Organelles G. color of leaves H. sensory neurons Which option is correct and why?
The correct answer is: Organelles.
Cells form tissues, which form?
[ "water", "muscle", "plants", "gametes", "bushes", "retina", "air", "skin" ]
skin
Answer the following multiple-choice question. Question: Cells form tissues, which form? Options: A. water B. muscle C. plants D. gametes E. bushes F. retina G. air H. skin Which option is correct and why?
The correct answer is: skin.
Unequal absorption of radiation on the earth's surface causes what?
[ "electromagnetic energy", "global travel patterns", "fissures of hot, acidic water", "Temperature", "global migration patterns", "global rain patterns", "global wind patterns", "Greenhouse gasses" ]
global wind patterns
Answer the following multiple-choice question. Question: Unequal absorption of radiation on the earth's surface causes what? Options: A. electromagnetic energy B. global travel patterns C. fissures of hot, acidic water D. Temperature E. global migration patterns F. global rain patterns G. global wind patterns H. Greenhouse gasses Which option is correct and why?
The correct answer is: global wind patterns.
Electricity sent through a conductor
[ "halts the functioning of the conductor", "moves like traffic through a green light", "causes fire to flow through the conductor", "flows heat back to the conductor" ]
moves like traffic through a green light
Answer the following multiple-choice question. Question: Electricity sent through a conductor Options: A. halts the functioning of the conductor B. moves like traffic through a green light C. causes fire to flow through the conductor D. flows heat back to the conductor Which option is correct and why?
The correct answer is: moves like traffic through a green light.
Why would soil be more loosely packed than it was the previous day?
[ "the local eagle population", "the native American population", "the neighborhood human population", "the native worm population" ]
the native worm population
Answer the following multiple-choice question. Question: Why would soil be more loosely packed than it was the previous day? Options: A. the local eagle population B. the native American population C. the neighborhood human population D. the native worm population Which option is correct and why?
The correct answer is: the native worm population.
Convex lenses are thicker in the middle than at the edges so they cause rays of light to converge, or meet, at a point called what?
[ "the apex", "focus", "the center", "the base" ]
focus
Answer the following multiple-choice question. Question: Convex lenses are thicker in the middle than at the edges so they cause rays of light to converge, or meet, at a point called what? Options: A. the apex B. focus C. the center D. the base Which option is correct and why?
The correct answer is: focus.
Pulse rate increases
[ "the quicker the pace of a runner", "when a person falls asleep", "as a runner slows down", "while holding yoga poses" ]
the quicker the pace of a runner
Answer the following multiple-choice question. Question: Pulse rate increases Options: A. the quicker the pace of a runner B. when a person falls asleep C. as a runner slows down D. while holding yoga poses Which option is correct and why?
The correct answer is: the quicker the pace of a runner.
Tungsten is a metal which is found in large amounts in filaments, which are used in incandescent light bulbs. These light bulbs work because
[ "light bulbs get very warm", "filaments are able to freeze", "the filament glows warmly", "the filament catches fire" ]
the filament glows warmly
Answer the following multiple-choice question. Question: Tungsten is a metal which is found in large amounts in filaments, which are used in incandescent light bulbs. These light bulbs work because Options: A. light bulbs get very warm B. filaments are able to freeze C. the filament glows warmly D. the filament catches fire Which option is correct and why?
The correct answer is: the filament glows warmly.
The vitamins and minerals contained in all of the food we consume are important for all of our organ systems. however, there are certain nutrients that affect this?
[ "mental health", "abnormal health", "bone health", "chain health" ]
bone health
Answer the following multiple-choice question. Question: The vitamins and minerals contained in all of the food we consume are important for all of our organ systems. however, there are certain nutrients that affect this? Options: A. mental health B. abnormal health C. bone health D. chain health Which option is correct and why?
The correct answer is: bone health.
A person can find a sparrow's home by
[ "looking at its face", "looking at a detailed map", "seeing where it was born", "noting where it frequently consumes" ]
noting where it frequently consumes
Answer the following multiple-choice question. Question: A person can find a sparrow's home by Options: A. looking at its face B. looking at a detailed map C. seeing where it was born D. noting where it frequently consumes Which option is correct and why?
The correct answer is: noting where it frequently consumes.
To have energy that will last your whole life you'd buy a
[ "car battery", "loaf of bread", "turbine", "tank of gas" ]
turbine
Answer the following multiple-choice question. Question: To have energy that will last your whole life you'd buy a Options: A. car battery B. loaf of bread C. turbine D. tank of gas Which option is correct and why?
The correct answer is: turbine.
The study of how organisms develop is known as?
[ "ethology", "embryology", "botany", "physics" ]
embryology
Answer the following multiple-choice question. Question: The study of how organisms develop is known as? Options: A. ethology B. embryology C. botany D. physics Which option is correct and why?
The correct answer is: embryology.
What cellular structure moves molecules between locations inside the cell?
[ "transport vesicles", "capillaries", "transport vessels", "dna vesicles" ]
transport vesicles
Answer the following multiple-choice question. Question: What cellular structure moves molecules between locations inside the cell? Options: A. transport vesicles B. capillaries C. transport vessels D. dna vesicles Which option is correct and why?
The correct answer is: transport vesicles.
What are simple units which are neither prokaryotes nor eukaryotes?
[ "ferns", "viruses", "barnacles", "plants", "bushes", "fungi", "insects", "animals" ]
viruses
Answer the following multiple-choice question. Question: What are simple units which are neither prokaryotes nor eukaryotes? Options: A. ferns B. viruses C. barnacles D. plants E. bushes F. fungi G. insects H. animals Which option is correct and why?
The correct answer is: viruses.
How do most reptiles produce?
[ "sexually", "occasionally", "asexually", "biologically" ]
sexually
Answer the following multiple-choice question. Question: How do most reptiles produce? Options: A. sexually B. occasionally C. asexually D. biologically Which option is correct and why?
The correct answer is: sexually.
What is secreted by plasma cells (activated B cells) ?
[ "bacteria", "sunlight", "bioaerosols", "Organic compounds", "acetic acid", "gammaglobulins", "Chemical energy", "ice" ]
gammaglobulins
Answer the following multiple-choice question. Question: What is secreted by plasma cells (activated B cells) ? Options: A. bacteria B. sunlight C. bioaerosols D. Organic compounds E. acetic acid F. gammaglobulins G. Chemical energy H. ice Which option is correct and why?
The correct answer is: gammaglobulins.
What can be used to cook food?
[ "war", "bacon", "breeding", "coal", "bees", "energy", "sugar", "oil" ]
coal
Answer the following multiple-choice question. Question: What can be used to cook food? Options: A. war B. bacon C. breeding D. coal E. bees F. energy G. sugar H. oil Which option is correct and why?
The correct answer is: coal.
What is controlled by pushing on bike pedals?
[ "motion", "weight", "pressure", "health", "cycles", "driving", "Energy.", "speed" ]
speed
Answer the following multiple-choice question. Question: What is controlled by pushing on bike pedals? Options: A. motion B. weight C. pressure D. health E. cycles F. driving G. Energy. H. speed Which option is correct and why?
The correct answer is: speed.
What radiation, generally produced by thermal motion and the vibration and rotation of atoms and molecules, literally means "below red"?
[ "infrared", "microscopic", "ultraviolet", "gamma radiation" ]
infrared
Answer the following multiple-choice question. Question: What radiation, generally produced by thermal motion and the vibration and rotation of atoms and molecules, literally means "below red"? Options: A. infrared B. microscopic C. ultraviolet D. gamma radiation Which option is correct and why?
The correct answer is: infrared.
Where do you find the greatest biodiversity?
[ "in the tropics", "in shallow lakes", "in the tundra", "at the poles" ]
in the tropics
Answer the following multiple-choice question. Question: Where do you find the greatest biodiversity? Options: A. in the tropics B. in shallow lakes C. in the tundra D. at the poles Which option is correct and why?
The correct answer is: in the tropics.
What undergoes a movement that changes population size?
[ "Wasps", "camels", "sheep", "insects", "animals", "sharks", "birds", "ducks" ]
birds
Answer the following multiple-choice question. Question: What undergoes a movement that changes population size? Options: A. Wasps B. camels C. sheep D. insects E. animals F. sharks G. birds H. ducks Which option is correct and why?
The correct answer is: birds.
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areas with bays and tributaries are bigger and deeper than what?
[ "bays", "feet", "ponds", "oceans", "wetland", "fens", "seas", "deltas" ]
ponds
Answer the following multiple-choice question. Question: areas with bays and tributaries are bigger and deeper than what? Options: A. bays B. feet C. ponds D. oceans E. wetland F. fens G. seas H. deltas Which option is correct and why?
The correct answer is: ponds.
According to the english system measurement, how much is equal to 2 pints, 1 quart, and ¼ of a gallon?
[ "2 cups", "1 cup", "4 cups", "3 cups" ]
4 cups
Answer the following multiple-choice question. Question: According to the english system measurement, how much is equal to 2 pints, 1 quart, and ¼ of a gallon? Options: A. 2 cups B. 1 cup C. 4 cups D. 3 cups Which option is correct and why?
The correct answer is: 4 cups.
What state of matter is characterized by tiny particles separated by large distances, which do not experience any force of attraction or repulsion with each other?
[ "steam", "liquids", "gas", "emissions" ]
gas
Answer the following multiple-choice question. Question: What state of matter is characterized by tiny particles separated by large distances, which do not experience any force of attraction or repulsion with each other? Options: A. steam B. liquids C. gas D. emissions Which option is correct and why?
The correct answer is: gas.
What occurs when gametes fuse to form a diploid zygote?
[ "permineralization", "rapid expansion", "competition", "fertilization", "photosynthesis", "chromosomes", "mutation", "Leptospirosis" ]
fertilization
Answer the following multiple-choice question. Question: What occurs when gametes fuse to form a diploid zygote? Options: A. permineralization B. rapid expansion C. competition D. fertilization E. photosynthesis F. chromosomes G. mutation H. Leptospirosis Which option is correct and why?
The correct answer is: fertilization.
How many pairs of chromosomes are found in human cells?
[ "25", "23", "13", "24" ]
23
Answer the following multiple-choice question. Question: How many pairs of chromosomes are found in human cells? Options: A. 25 B. 23 C. 13 D. 24 Which option is correct and why?
The correct answer is: 23.
What helps hawks fly?
[ "stamina", "talons", "fur and fat", "power", "feathers", "eggs", "Energy", "beaks" ]
feathers
Answer the following multiple-choice question. Question: What helps hawks fly? Options: A. stamina B. talons C. fur and fat D. power E. feathers F. eggs G. Energy H. beaks Which option is correct and why?
The correct answer is: feathers.
In places where crops grow only during part of the year, the land may be bare for a few?
[ "weeks", "days", "minutes", "months" ]
months
Answer the following multiple-choice question. Question: In places where crops grow only during part of the year, the land may be bare for a few? Options: A. weeks B. days C. minutes D. months Which option is correct and why?
The correct answer is: months.
When you change a magnetic field through electromagnetic induction what do you create?
[ "Light Current", "cooling current", "microwave current", "electric current" ]
electric current
Answer the following multiple-choice question. Question: When you change a magnetic field through electromagnetic induction what do you create? Options: A. Light Current B. cooling current C. microwave current D. electric current Which option is correct and why?
The correct answer is: electric current.
Before the atmosphere became oxygenated, the planet was subjected to what harmful energy source, meaning the first organisms would have flourished where they were more protected?
[ "conduction", "evaporation", "radiation", "convection" ]
radiation
Answer the following multiple-choice question. Question: Before the atmosphere became oxygenated, the planet was subjected to what harmful energy source, meaning the first organisms would have flourished where they were more protected? Options: A. conduction B. evaporation C. radiation D. convection Which option is correct and why?
The correct answer is: radiation.
What has photosynthetic organs which grow when it does?
[ "green", "clams", "Bats", "mussels", "coral", "plant", "fruit", "cells" ]
plant
Answer the following multiple-choice question. Question: What has photosynthetic organs which grow when it does? Options: A. green B. clams C. Bats D. mussels E. coral F. plant G. fruit H. cells Which option is correct and why?
The correct answer is: plant.
A fawn's colors helps it blend in with the landscape in
[ "Autumn", "oceans", "icy lakes", "Winter" ]
Autumn
Answer the following multiple-choice question. Question: A fawn's colors helps it blend in with the landscape in Options: A. Autumn B. oceans C. icy lakes D. Winter Which option is correct and why?
The correct answer is: Autumn.
Organs are groups of what working together?
[ "tendons", "bones", "tissues", "muscles" ]
tissues
Answer the following multiple-choice question. Question: Organs are groups of what working together? Options: A. tendons B. bones C. tissues D. muscles Which option is correct and why?
The correct answer is: tissues.
Hazardous waste is material that is toxic, chemically active, corrosive, or what?
[ "flammable", "inactive", "organic", "decomposed" ]
flammable
Answer the following multiple-choice question. Question: Hazardous waste is material that is toxic, chemically active, corrosive, or what? Options: A. flammable B. inactive C. organic D. decomposed Which option is correct and why?
The correct answer is: flammable.
Which atomic model shows that the distances of electrons from the nucleus is not a fixed value?
[ "the quantum model", "the electron model", "the equivocation model", "the distance model" ]
the quantum model
Answer the following multiple-choice question. Question: Which atomic model shows that the distances of electrons from the nucleus is not a fixed value? Options: A. the quantum model B. the electron model C. the equivocation model D. the distance model Which option is correct and why?
The correct answer is: the quantum model.
The golgi removes some sugar monomers and substitutes others, producing a large variety of what?
[ "proteins", "carbohydrates", "electrolytes", "fats" ]
carbohydrates
Answer the following multiple-choice question. Question: The golgi removes some sugar monomers and substitutes others, producing a large variety of what? Options: A. proteins B. carbohydrates C. electrolytes D. fats Which option is correct and why?
The correct answer is: carbohydrates.
Recycled products do what?
[ "decomposing dead organisms", "cause disease", "accelerate global warming", "the process of adaptation", "helping to prevent floods", "contribute to waste", "have a positive impact on the environment", "organisms and their habitat" ]
have a positive impact on the environment
Answer the following multiple-choice question. Question: Recycled products do what? Options: A. decomposing dead organisms B. cause disease C. accelerate global warming D. the process of adaptation E. helping to prevent floods F. contribute to waste G. have a positive impact on the environment H. organisms and their habitat Which option is correct and why?
The correct answer is: have a positive impact on the environment.
Radioactive isotopes are commonly used to do what to the age of fossils?
[ "duplicate itself", "observe it", "debate them", "Temperature", "Time and energy", "determine them", "remove them", "assign them" ]
determine them
Answer the following multiple-choice question. Question: Radioactive isotopes are commonly used to do what to the age of fossils? Options: A. duplicate itself B. observe it C. debate them D. Temperature E. Time and energy F. determine them G. remove them H. assign them Which option is correct and why?
The correct answer is: determine them.
A lake with two buckets of ice water poured into it each day will likely
[ "shrink", "dehydrate", "swell", "drain" ]
swell
Answer the following multiple-choice question. Question: A lake with two buckets of ice water poured into it each day will likely Options: A. shrink B. dehydrate C. swell D. drain Which option is correct and why?
The correct answer is: swell.
What does the secretion of the hormone cholecystokinin stimulate the release of?
[ "insulin and pepsin", "pancreatic juices, bile", "urea", "sweat, saliva" ]
pancreatic juices, bile
Answer the following multiple-choice question. Question: What does the secretion of the hormone cholecystokinin stimulate the release of? Options: A. insulin and pepsin B. pancreatic juices, bile C. urea D. sweat, saliva Which option is correct and why?
The correct answer is: pancreatic juices, bile.
What is the common term for the chemical formula h 2 0?
[ "water", "air", "hydrogen", "oxygen" ]
water
Answer the following multiple-choice question. Question: What is the common term for the chemical formula h 2 0? Options: A. water B. air C. hydrogen D. oxygen Which option is correct and why?
The correct answer is: water.
What converts liquid to gas?
[ "Stirring it", "Fuel cells", "circulatory systems", "Cooling it down", "Introducing oxygen", "Heating it up", "Evaporation", "water vapor" ]
Heating it up
Answer the following multiple-choice question. Question: What converts liquid to gas? Options: A. Stirring it B. Fuel cells C. circulatory systems D. Cooling it down E. Introducing oxygen F. Heating it up G. Evaporation H. water vapor Which option is correct and why?
The correct answer is: Heating it up.
Having food has a positive impact on the health of what?
[ "organism charts", "water", "sunlight", "critters" ]
critters
Answer the following multiple-choice question. Question: Having food has a positive impact on the health of what? Options: A. organism charts B. water C. sunlight D. critters Which option is correct and why?
The correct answer is: critters.
What is composed of a calcium cation and a nitrate anion?
[ "calcium nitrate", "nitrous oxide", "calcium carbonate", "dynamite" ]
calcium nitrate
Answer the following multiple-choice question. Question: What is composed of a calcium cation and a nitrate anion? Options: A. calcium nitrate B. nitrous oxide C. calcium carbonate D. dynamite Which option is correct and why?
The correct answer is: calcium nitrate.
A rock quarry can contain in its rocks
[ "sunflowers", "foil material", "candles", "broken toys" ]
foil material
Answer the following multiple-choice question. Question: A rock quarry can contain in its rocks Options: A. sunflowers B. foil material C. candles D. broken toys Which option is correct and why?
The correct answer is: foil material.
A biofilm is a colony of what that is stuck to a surface such as a rock or a host’s tissues?
[ "eukaryotes", "vacuoles", "prokaryotes", "insects" ]
prokaryotes
Answer the following multiple-choice question. Question: A biofilm is a colony of what that is stuck to a surface such as a rock or a host’s tissues? Options: A. eukaryotes B. vacuoles C. prokaryotes D. insects Which option is correct and why?
The correct answer is: prokaryotes.
What do you call the metal elements listed below the periodic table?
[ "shift metals", "rare metals", "process metals", "transition metals" ]
transition metals
Answer the following multiple-choice question. Question: What do you call the metal elements listed below the periodic table? Options: A. shift metals B. rare metals C. process metals D. transition metals Which option is correct and why?
The correct answer is: transition metals.
what produces asexually by budding?
[ "h2o", "Most plants", "insects", "graptolites", "humans", "swamp vegetation", "simple eukaryotes", "bioaerosols" ]
simple eukaryotes
Answer the following multiple-choice question. Question: what produces asexually by budding? Options: A. h2o B. Most plants C. insects D. graptolites E. humans F. swamp vegetation G. simple eukaryotes H. bioaerosols Which option is correct and why?
The correct answer is: simple eukaryotes.
what do bacteria undergo?
[ "Cooking", "relocation", "Exfoliation", "rapid expansion", "cytokinesis", "migrate", "evaporation", "massive damage" ]
cytokinesis
Answer the following multiple-choice question. Question: what do bacteria undergo? Options: A. Cooking B. relocation C. Exfoliation D. rapid expansion E. cytokinesis F. migrate G. evaporation H. massive damage Which option is correct and why?
The correct answer is: cytokinesis.
How many chambers does an amphibian heart have?
[ "two", "one", "four", "three" ]
three
Answer the following multiple-choice question. Question: How many chambers does an amphibian heart have? Options: A. two B. one C. four D. three Which option is correct and why?
The correct answer is: three.
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What happens when cell walls relax?
[ "evaporation", "permineralization", "preventing heat transfer", "allow growth", "it keeps an organism warm", "air cools", "Cell walls expand", "heat produced" ]
Cell walls expand
Answer the following multiple-choice question. Question: What happens when cell walls relax? Options: A. evaporation B. permineralization C. preventing heat transfer D. allow growth E. it keeps an organism warm F. air cools G. Cell walls expand H. heat produced Which option is correct and why?
The correct answer is: Cell walls expand.
What line of latitude is an equal distance from both the north and south poles?
[ "mid-part", "divider", "meridian", "equator" ]
equator
Answer the following multiple-choice question. Question: What line of latitude is an equal distance from both the north and south poles? Options: A. mid-part B. divider C. meridian D. equator Which option is correct and why?
The correct answer is: equator.
In many species, display behaviors, like a gorilla beating on its chest, are used instead of actual physical attacks to show what?
[ "stress", "friction", "dominance", "aggression" ]
aggression
Answer the following multiple-choice question. Question: In many species, display behaviors, like a gorilla beating on its chest, are used instead of actual physical attacks to show what? Options: A. stress B. friction C. dominance D. aggression Which option is correct and why?
The correct answer is: aggression.
What is the final stage of mitosis?
[ "Anaphase", "Metaphase", "Prophase", "rapid expansion", "Cytokinesis", "autumn", "Plants growth", "Most plants" ]
Cytokinesis
Answer the following multiple-choice question. Question: What is the final stage of mitosis? Options: A. Anaphase B. Metaphase C. Prophase D. rapid expansion E. Cytokinesis F. autumn G. Plants growth H. Most plants Which option is correct and why?
The correct answer is: Cytokinesis.
In sexual reproduction, two of what unite to produce an offspring?
[ "spores", "chromosomes", "DNA strands", "gametes" ]
gametes
Answer the following multiple-choice question. Question: In sexual reproduction, two of what unite to produce an offspring? Options: A. spores B. chromosomes C. DNA strands D. gametes Which option is correct and why?
The correct answer is: gametes.
According to count rumford, which two are equivalent ways of transferring energy?
[ "osmosis and heredity", "time and space", "heat and work", "addition and multiplication" ]
heat and work
Answer the following multiple-choice question. Question: According to count rumford, which two are equivalent ways of transferring energy? Options: A. osmosis and heredity B. time and space C. heat and work D. addition and multiplication Which option is correct and why?
The correct answer is: heat and work.
Sound can be used for communication by
[ "creatures", "plants", "water", "planets" ]
creatures
Answer the following multiple-choice question. Question: Sound can be used for communication by Options: A. creatures B. plants C. water D. planets Which option is correct and why?
The correct answer is: creatures.
When electrons return to a lower energy level, they emit the excess energy in the form of what?
[ "electricity", "weight", "energy", "light" ]
light
Answer the following multiple-choice question. Question: When electrons return to a lower energy level, they emit the excess energy in the form of what? Options: A. electricity B. weight C. energy D. light Which option is correct and why?
The correct answer is: light.
What prohibits cells from contorting into deformed shapes?
[ "helpful viruses help them retain their function", "a prison cell wall contains them", "the thin membrane which surrounds them", "they have a Chilton's manual to guide them" ]
the thin membrane which surrounds them
Answer the following multiple-choice question. Question: What prohibits cells from contorting into deformed shapes? Options: A. helpful viruses help them retain their function B. a prison cell wall contains them C. the thin membrane which surrounds them D. they have a Chilton's manual to guide them Which option is correct and why?
The correct answer is: the thin membrane which surrounds them.
Bears instinctively know when its time to hibernate because who passes it on to them?
[ "soup", "their pants", "Their parents", "porridge" ]
Their parents
Answer the following multiple-choice question. Question: Bears instinctively know when its time to hibernate because who passes it on to them? Options: A. soup B. their pants C. Their parents D. porridge Which option is correct and why?
The correct answer is: Their parents.
What occurs when the immune system attacks a harmless substance that enters the body from the outside?
[ "nausea", "panic attack", "plague", "allergy" ]
allergy
Answer the following multiple-choice question. Question: What occurs when the immune system attacks a harmless substance that enters the body from the outside? Options: A. nausea B. panic attack C. plague D. allergy Which option is correct and why?
The correct answer is: allergy.
A person wanting to avoid polluting the air will, when considering vehicles, choose
[ "a four-wheeler", "a truck", "a convertible", "a tricycle" ]
a tricycle
Answer the following multiple-choice question. Question: A person wanting to avoid polluting the air will, when considering vehicles, choose Options: A. a four-wheeler B. a truck C. a convertible D. a tricycle Which option is correct and why?
The correct answer is: a tricycle.
What kind of diet is typical for raptors, such as hawks and owls?
[ "fishes", "herbivorous", "carnivorous", "carnivorous or herbivorous" ]
carnivorous
Answer the following multiple-choice question. Question: What kind of diet is typical for raptors, such as hawks and owls? Options: A. fishes B. herbivorous C. carnivorous D. carnivorous or herbivorous Which option is correct and why?
The correct answer is: carnivorous.
What is the basic unit of structure and function of living things?
[ "particle", "atom", "molecule", "cell" ]
cell
Answer the following multiple-choice question. Question: What is the basic unit of structure and function of living things? Options: A. particle B. atom C. molecule D. cell Which option is correct and why?
The correct answer is: cell.
Bilaterally symmetrical animals have both dorsal and what type of sides?
[ "posterior", "anterior", "exterior", "ventral" ]
ventral
Answer the following multiple-choice question. Question: Bilaterally symmetrical animals have both dorsal and what type of sides? Options: A. posterior B. anterior C. exterior D. ventral Which option is correct and why?
The correct answer is: ventral.
What is the connection between the two hemispheres of the brain called?
[ "cranial septum", "spinal cord", "cerebral cortex", "corpus callosum" ]
corpus callosum
Answer the following multiple-choice question. Question: What is the connection between the two hemispheres of the brain called? Options: A. cranial septum B. spinal cord C. cerebral cortex D. corpus callosum Which option is correct and why?
The correct answer is: corpus callosum.
What has radial symmetry?
[ "barnacles", "a prism", "Orchid", "Most plants", "Honeybee", "Human", "Starfish", "an object" ]
Starfish
Answer the following multiple-choice question. Question: What has radial symmetry? Options: A. barnacles B. a prism C. Orchid D. Most plants E. Honeybee F. Human G. Starfish H. an object Which option is correct and why?
The correct answer is: Starfish.
How do starfish communicate with each other?
[ "huddle together", "writing", "during the day", "pheromones", "Chemical energy", "waving their arms", "Decibels", "talking" ]
pheromones
Answer the following multiple-choice question. Question: How do starfish communicate with each other? Options: A. huddle together B. writing C. during the day D. pheromones E. Chemical energy F. waving their arms G. Decibels H. talking Which option is correct and why?
The correct answer is: pheromones.
What do voltmeters measure?
[ "voltage drop across a resistor", "current drop across a resistor", "voltage increase across a resistor", "current increase across a resistor" ]
voltage drop across a resistor
Answer the following multiple-choice question. Question: What do voltmeters measure? Options: A. voltage drop across a resistor B. current drop across a resistor C. voltage increase across a resistor D. current increase across a resistor Which option is correct and why?
The correct answer is: voltage drop across a resistor.
Animals adapt to avoid what?
[ "death and devastation", "cool water", "sunny days", "extinction", "warm weather", "immediate frostbite", "Food poisoning", "Greenhouse gases" ]
immediate frostbite
Answer the following multiple-choice question. Question: Animals adapt to avoid what? Options: A. death and devastation B. cool water C. sunny days D. extinction E. warm weather F. immediate frostbite G. Food poisoning H. Greenhouse gases Which option is correct and why?
The correct answer is: immediate frostbite.
Humans can be protected with
[ "dolphins", "pathogens", "Animal fur", "hydration", "acid eyewashes", "sharp contact lenses", "Blankets", "goggles" ]
goggles
Answer the following multiple-choice question. Question: Humans can be protected with Options: A. dolphins B. pathogens C. Animal fur D. hydration E. acid eyewashes F. sharp contact lenses G. Blankets H. goggles Which option is correct and why?
The correct answer is: goggles.
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What term is used to describe organelles that are found only in animal cells?
[ "anticlines", "centrioles", "acids", "fibrils" ]
centrioles
Answer the following multiple-choice question. Question: What term is used to describe organelles that are found only in animal cells? Options: A. anticlines B. centrioles C. acids D. fibrils Which option is correct and why?
The correct answer is: centrioles.
The cytoplasm divides during what process?
[ "cytokinesis", "genesys", "osmosis", "metamorphosis" ]
cytokinesis
Answer the following multiple-choice question. Question: The cytoplasm divides during what process? Options: A. cytokinesis B. genesys C. osmosis D. metamorphosis Which option is correct and why?
The correct answer is: cytokinesis.
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Which type of arthritis causes the immune system to attack joints?
[ "Spondylarthropathies", "rheumatoid", "Osteoarthritis", "Gout" ]
rheumatoid
Answer the following multiple-choice question. Question: Which type of arthritis causes the immune system to attack joints? Options: A. Spondylarthropathies B. rheumatoid C. Osteoarthritis D. Gout Which option is correct and why?
The correct answer is: rheumatoid.
Which organ is a wide tube connecting the small intestine with the anus?
[ "stomach", "large intestine", "jejunum", "rectum" ]
large intestine
Answer the following multiple-choice question. Question: Which organ is a wide tube connecting the small intestine with the anus? Options: A. stomach B. large intestine C. jejunum D. rectum Which option is correct and why?
The correct answer is: large intestine.
What occurs when light bends as it passes from one type of matter to another?
[ "refraction", "reflection", "resonance", "vibration" ]
refraction
Answer the following multiple-choice question. Question: What occurs when light bends as it passes from one type of matter to another? Options: A. refraction B. reflection C. resonance D. vibration Which option is correct and why?
The correct answer is: refraction.
Wich disorder arises when defective valves allow blood to accumulate within the veins?
[ "cataracts veins", "bulging veins", "vascular disease", "varicose veins" ]
varicose veins
Answer the following multiple-choice question. Question: Wich disorder arises when defective valves allow blood to accumulate within the veins? Options: A. cataracts veins B. bulging veins C. vascular disease D. varicose veins Which option is correct and why?
The correct answer is: varicose veins.
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Because they spread seeds, fruits are an agent of what?
[ "disposal", "dispersal", "predation", "propagation" ]
dispersal
Answer the following multiple-choice question. Question: Because they spread seeds, fruits are an agent of what? Options: A. disposal B. dispersal C. predation D. propagation Which option is correct and why?
The correct answer is: dispersal.
What can graduated cylinders be used for?
[ "A transportation fuel", "reusing materials", "igniting fuel and oxidiser", "Electrical energy", "measuring volume of water", "Burning fuel and air", "heat production", "it keeps an organism warm" ]
measuring volume of water
Answer the following multiple-choice question. Question: What can graduated cylinders be used for? Options: A. A transportation fuel B. reusing materials C. igniting fuel and oxidiser D. Electrical energy E. measuring volume of water F. Burning fuel and air G. heat production H. it keeps an organism warm Which option is correct and why?
The correct answer is: measuring volume of water.
If a dog is hunting for wild rabbit or birds, then
[ "it needs to drink", "it can sense children nearby", "it can tell where a victim is", "it is wanting to play frisbee" ]
it can tell where a victim is
Answer the following multiple-choice question. Question: If a dog is hunting for wild rabbit or birds, then Options: A. it needs to drink B. it can sense children nearby C. it can tell where a victim is D. it is wanting to play frisbee Which option is correct and why?
The correct answer is: it can tell where a victim is.
The ability that an oven has to turn ingredients into a moist cake come from its
[ "higher temps", "arid environment", "dark heat", "spaciousness" ]
higher temps
Answer the following multiple-choice question. Question: The ability that an oven has to turn ingredients into a moist cake come from its Options: A. higher temps B. arid environment C. dark heat D. spaciousness Which option is correct and why?
The correct answer is: higher temps.
What can be killed in food by irradiating it?
[ "heterotrophs", "A virus", "bacteria", "smallpox", "seeds", "viruses", "steam from rising", "the core" ]
bacteria
Answer the following multiple-choice question. Question: What can be killed in food by irradiating it? Options: A. heterotrophs B. A virus C. bacteria D. smallpox E. seeds F. viruses G. steam from rising H. the core Which option is correct and why?
The correct answer is: bacteria.
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How do dogs sense sound?
[ "Heart rate", "observe it", "sight", "hormones", "waves", "touch", "hearing", "smell" ]
hearing
Answer the following multiple-choice question. Question: How do dogs sense sound? Options: A. Heart rate B. observe it C. sight D. hormones E. waves F. touch G. hearing H. smell Which option is correct and why?
The correct answer is: hearing.
When a solvent with a gas dissolved in it is heated, the kinetic energy of both the solvent and solute _________?
[ "decreases", "generates", "increases", "evaporates" ]
increases
Answer the following multiple-choice question. Question: When a solvent with a gas dissolved in it is heated, the kinetic energy of both the solvent and solute _________? Options: A. decreases B. generates C. increases D. evaporates Which option is correct and why?
The correct answer is: increases.
Some terrestrial species breathe through their skin and oral cavity because they lack what?
[ "mouth", "windpipe", "lungs", "nose" ]
lungs
Answer the following multiple-choice question. Question: Some terrestrial species breathe through their skin and oral cavity because they lack what? Options: A. mouth B. windpipe C. lungs D. nose Which option is correct and why?
The correct answer is: lungs.
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What convert electricity into light and heat energy?
[ "cats", "copper", "LEDs", "trains", "Cars", "cells", "energy", "buses" ]
LEDs
Answer the following multiple-choice question. Question: What convert electricity into light and heat energy? Options: A. cats B. copper C. LEDs D. trains E. Cars F. cells G. energy H. buses Which option is correct and why?
The correct answer is: LEDs.
Where in the world will a person have the smallest shadow at noon?
[ "the arctic circle", "the south pole", "the north pole", "near the equator" ]
near the equator
Answer the following multiple-choice question. Question: Where in the world will a person have the smallest shadow at noon? Options: A. the arctic circle B. the south pole C. the north pole D. near the equator Which option is correct and why?
The correct answer is: near the equator.
What organs absorb water and nutrients from the soil?
[ "leaves", "roots", "flowers", "buds" ]
roots
Answer the following multiple-choice question. Question: What organs absorb water and nutrients from the soil? Options: A. leaves B. roots C. flowers D. buds Which option is correct and why?
The correct answer is: roots.
Wind blowing southwest at high speeds can, when interacting with a car moving southwest at high speeds,
[ "break the car's speed", "stall the car's speed", "slow the car's speed", "heighten the car's speed" ]
heighten the car's speed
Answer the following multiple-choice question. Question: Wind blowing southwest at high speeds can, when interacting with a car moving southwest at high speeds, Options: A. break the car's speed B. stall the car's speed C. slow the car's speed D. heighten the car's speed Which option is correct and why?
The correct answer is: heighten the car's speed.
The process by which an organism develops from a single-celled zygote to a multi-cellular organism is complex and well regulated. the regulation occurs through signaling between cells and tissues and responses in the form of what?
[ "differential gene expression", "spontaneous mutation", "phenotype exchange", "dna replication" ]
differential gene expression
Answer the following multiple-choice question. Question: The process by which an organism develops from a single-celled zygote to a multi-cellular organism is complex and well regulated. the regulation occurs through signaling between cells and tissues and responses in the form of what? Options: A. differential gene expression B. spontaneous mutation C. phenotype exchange D. dna replication Which option is correct and why?
The correct answer is: differential gene expression.
Are valence electrons attracted more or less strongly when they are farther from the nucleus?
[ "equally", "more strongly", "less strongly", "differently" ]
less strongly
Answer the following multiple-choice question. Question: Are valence electrons attracted more or less strongly when they are farther from the nucleus? Options: A. equally B. more strongly C. less strongly D. differently Which option is correct and why?
The correct answer is: less strongly.
Thick feathers come in handy for birds
[ "that live in warm climates", "who like a fluffier look", "that live in frigid climates", "who suffer from male patterned baldness" ]
that live in frigid climates
Answer the following multiple-choice question. Question: Thick feathers come in handy for birds Options: A. that live in warm climates B. who like a fluffier look C. that live in frigid climates D. who suffer from male patterned baldness Which option is correct and why?
The correct answer is: that live in frigid climates.