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What is the usual treatment for acute bronchitis?
[ "physical therapy", "surgery", "antibiotics", "pesticides" ]
antibiotics
Answer the following multiple-choice question. Question: What is the usual treatment for acute bronchitis? Options: A. physical therapy B. surgery C. antibiotics D. pesticides Which option is correct and why?
The correct answer is: antibiotics.
C
What causes different shapes of the moon to appear?
[ "scattered light", "Physical weathering", "reflecting light", "moon revolving around Earth", "a hemisphere is tilted away from the sun", "refract or absorb.", "oxidation reaction", "reflect objectstowards the eye" ]
moon revolving around Earth
Answer the following multiple-choice question. Question: What causes different shapes of the moon to appear? Options: A. scattered light B. Physical weathering C. reflecting light D. moon revolving around Earth E. a hemisphere is tilted away from the sun F. refract or absorb. G. oxidation reaction H. reflect objectstowards the eye Which option is correct and why?
The correct answer is: moon revolving around Earth.
D
What system in the human body makes white blood cells that protect the body from diseases?
[ "lymphatic system", "cardiovascular system", "reproductive system", "renal system" ]
lymphatic system
Answer the following multiple-choice question. Question: What system in the human body makes white blood cells that protect the body from diseases? Options: A. lymphatic system B. cardiovascular system C. reproductive system D. renal system Which option is correct and why?
The correct answer is: lymphatic system.
A
What domain-level category of cells can contain more than 1000 times the dna found in a typical bacterial cell?
[ "genetic", "mutations", "chromosomes", "eukaryotic" ]
eukaryotic
Answer the following multiple-choice question. Question: What domain-level category of cells can contain more than 1000 times the dna found in a typical bacterial cell? Options: A. genetic B. mutations C. chromosomes D. eukaryotic Which option is correct and why?
The correct answer is: eukaryotic.
D
What can cause seismic vibrations, which are triggering mechanisms?
[ "wind", "erosion", "vehicles", "flooding", "waves", "rivers", "energy", "mines" ]
erosion
Answer the following multiple-choice question. Question: What can cause seismic vibrations, which are triggering mechanisms? Options: A. wind B. erosion C. vehicles D. flooding E. waves F. rivers G. energy H. mines Which option is correct and why?
The correct answer is: erosion.
B
What is something that converts mass to energy?
[ "chemicals", "pigeons", "Cooking", "Cars", "sugar", "light", "energy", "a star" ]
a star
Answer the following multiple-choice question. Question: What is something that converts mass to energy? Options: A. chemicals B. pigeons C. Cooking D. Cars E. sugar F. light G. energy H. a star Which option is correct and why?
The correct answer is: a star.
A
What requires soil to grow?
[ "lakes", "car engine", "daffodils", "cows" ]
daffodils
Answer the following multiple-choice question. Question: What requires soil to grow? Options: A. lakes B. car engine C. daffodils D. cows Which option is correct and why?
The correct answer is: daffodils.
C
What are all of the digits that can be known with certainty in a measurement plus an estimatied last digit called?
[ "significant figures", "important figures", "determined figures", "miniature figures" ]
significant figures
Answer the following multiple-choice question. Question: What are all of the digits that can be known with certainty in a measurement plus an estimatied last digit called? Options: A. significant figures B. important figures C. determined figures D. miniature figures Which option is correct and why?
The correct answer is: significant figures.
A
Molecules of _ bring the building blocks of protein to the ribosomes in the correct sequence.
[ "form", "fusion", "core", "shape", "sugar", "HIV", "tRNA", "small" ]
tRNA
Answer the following multiple-choice question. Question: Molecules of _ bring the building blocks of protein to the ribosomes in the correct sequence. Options: A. form B. fusion C. core D. shape E. sugar F. HIV G. tRNA H. small Which option is correct and why?
The correct answer is: tRNA.
A
A bulldozer alters the area of
[ "skyscrapers", "the stock market", "air", "water" ]
skyscrapers
Answer the following multiple-choice question. Question: A bulldozer alters the area of Options: A. skyscrapers B. the stock market C. air D. water Which option is correct and why?
The correct answer is: skyscrapers.
A
Fission is a method of what type of reproduction exhibited by some planarians?
[ "asexual", "propagation", "sexual", "spawning" ]
asexual
Answer the following multiple-choice question. Question: Fission is a method of what type of reproduction exhibited by some planarians? Options: A. asexual B. propagation C. sexual D. spawning Which option is correct and why?
The correct answer is: asexual.
A
Which rock is formed from magma cooling?
[ "tube", "Mountains", "Coal", "Basalt", "calcite", "blastoids", "Gneiss", "Limestone" ]
Basalt
Answer the following multiple-choice question. Question: Which rock is formed from magma cooling? Options: A. tube B. Mountains C. Coal D. Basalt E. calcite F. blastoids G. Gneiss H. Limestone Which option is correct and why?
The correct answer is: Basalt.
D
How does a seed gain water in order to produce a root?
[ "lapping", "watershred", "spring", "quenching", "osmosis", "wind", "reverse osmosis", "Regrows it" ]
osmosis
Answer the following multiple-choice question. Question: How does a seed gain water in order to produce a root? Options: A. lapping B. watershred C. spring D. quenching E. osmosis F. wind G. reverse osmosis H. Regrows it Which option is correct and why?
The correct answer is: osmosis.
E
What occurs when there is a sudden discharge of static electricity between a cloud and the ground?
[ "lightning", "rain", "wind", "updraft" ]
lightning
Answer the following multiple-choice question. Question: What occurs when there is a sudden discharge of static electricity between a cloud and the ground? Options: A. lightning B. rain C. wind D. updraft Which option is correct and why?
The correct answer is: lightning.
A
What can people only survive a few days without?
[ "dehydration", "hydration", "bacteria", "sodium", "food", "yogurt", "Chlorophyll", "oxygen" ]
hydration
Answer the following multiple-choice question. Question: What can people only survive a few days without? Options: A. dehydration B. hydration C. bacteria D. sodium E. food F. yogurt G. Chlorophyll H. oxygen Which option is correct and why?
The correct answer is: hydration.
B
What can a dam form?
[ "fens", "rain", "lake", "water", "cracks", "H2O", "valley", "canyon" ]
lake
Answer the following multiple-choice question. Question: What can a dam form? Options: A. fens B. rain C. lake D. water E. cracks F. H2O G. valley H. canyon Which option is correct and why?
The correct answer is: lake.
C
what moves by having the pedals pushed on?
[ "organ", "h2o", "Schwinn", "Nematoda", "animals", "athletes", "clouds", "kites" ]
Schwinn
Answer the following multiple-choice question. Question: what moves by having the pedals pushed on? Options: A. organ B. h2o C. Schwinn D. Nematoda E. animals F. athletes G. clouds H. kites Which option is correct and why?
The correct answer is: Schwinn.
C
Which is likely to disappear?
[ "the last surviving member of a population", "a male and female rabbit", "a male and female horse", "a wild dandelion root" ]
the last surviving member of a population
Answer the following multiple-choice question. Question: Which is likely to disappear? Options: A. the last surviving member of a population B. a male and female rabbit C. a male and female horse D. a wild dandelion root Which option is correct and why?
The correct answer is: the last surviving member of a population.
A
The moon orbits an object that orbits the
[ "Earth", "moon", "sun", "Mars" ]
sun
Answer the following multiple-choice question. Question: The moon orbits an object that orbits the Options: A. Earth B. moon C. sun D. Mars Which option is correct and why?
The correct answer is: sun.
C
Each month, starting in puberty, one egg matures and is released from where?
[ "ovary", "testes", "pollen", "uterus" ]
ovary
Answer the following multiple-choice question. Question: Each month, starting in puberty, one egg matures and is released from where? Options: A. ovary B. testes C. pollen D. uterus Which option is correct and why?
The correct answer is: ovary.
A
What can help an animal to grow and heal?
[ "food", "heat", "bones", "energy", "cells", "microbes", "glycogen", "proteins" ]
microbes
Answer the following multiple-choice question. Question: What can help an animal to grow and heal? Options: A. food B. heat C. bones D. energy E. cells F. microbes G. glycogen H. proteins Which option is correct and why?
The correct answer is: microbes.
A
If a person has bacteria in a certain part of their insides, it can help by
[ "growing them another arm", "making them much fatter", "giving them a fever", "pulling minerals from nutriment" ]
pulling minerals from nutriment
Answer the following multiple-choice question. Question: If a person has bacteria in a certain part of their insides, it can help by Options: A. growing them another arm B. making them much fatter C. giving them a fever D. pulling minerals from nutriment Which option is correct and why?
The correct answer is: pulling minerals from nutriment.
D
Insulin is made up of how many polypeptide chains?
[ "four", "two", "three", "twelve" ]
two
Answer the following multiple-choice question. Question: Insulin is made up of how many polypeptide chains? Options: A. four B. two C. three D. twelve Which option is correct and why?
The correct answer is: two.
B
Where would you point to as an example of condensation, if limited to an office building?
[ "the beads on a cold root beer can", "the pens leaking ink", "the vapor rising from the coffee", "the sprinkler system above" ]
the beads on a cold root beer can
Answer the following multiple-choice question. Question: Where would you point to as an example of condensation, if limited to an office building? Options: A. the beads on a cold root beer can B. the pens leaking ink C. the vapor rising from the coffee D. the sprinkler system above Which option is correct and why?
The correct answer is: the beads on a cold root beer can.
A
How do you remove bacteria from food?
[ "drying", "kill them", "a cuticle", "salting", "cooking", "amoebae", "curing", "boiling" ]
cooking
Answer the following multiple-choice question. Question: How do you remove bacteria from food? Options: A. drying B. kill them C. a cuticle D. salting E. cooking F. amoebae G. curing H. boiling Which option is correct and why?
The correct answer is: cooking.
E
Where do producers in an ecosystem generally get their energy from?
[ "the sun", "predators", "consumers", "chlorophyll" ]
the sun
Answer the following multiple-choice question. Question: Where do producers in an ecosystem generally get their energy from? Options: A. the sun B. predators C. consumers D. chlorophyll Which option is correct and why?
The correct answer is: the sun.
A
Bears hibernate in winter because
[ "to socialize more with other bears", "the environment is colder and has less food", "a fixed amount of time has passed", "cubs are being born" ]
the environment is colder and has less food
Answer the following multiple-choice question. Question: Bears hibernate in winter because Options: A. to socialize more with other bears B. the environment is colder and has less food C. a fixed amount of time has passed D. cubs are being born Which option is correct and why?
The correct answer is: the environment is colder and has less food.
B
In the male orgasm, where is sperm propelled from?
[ "seeds", "pollen", "distance", "organ", "sensory neurons", "direct energy", "epididymes", "electrically" ]
epididymes
Answer the following multiple-choice question. Question: In the male orgasm, where is sperm propelled from? Options: A. seeds B. pollen C. distance D. organ E. sensory neurons F. direct energy G. epididymes H. electrically Which option is correct and why?
The correct answer is: epididymes.
A
What is left over when salty water is heated?
[ "Time and energy", "nutrients", "Sediment", "energy", "bacteria", "Energy.", "loose soil", "The solute" ]
The solute
Answer the following multiple-choice question. Question: What is left over when salty water is heated? Options: A. Time and energy B. nutrients C. Sediment D. energy E. bacteria F. Energy. G. loose soil H. The solute Which option is correct and why?
The correct answer is: The solute.
A
A diver's air bubbles increase in size as he approaches the surface because what decreases?
[ "water direction", "water weight", "water energy", "water pressure" ]
water pressure
Answer the following multiple-choice question. Question: A diver's air bubbles increase in size as he approaches the surface because what decreases? Options: A. water direction B. water weight C. water energy D. water pressure Which option is correct and why?
The correct answer is: water pressure.
D
DNA is found where in a cell?
[ "mitochondria", "complex", "alveoli", "membrane", "plants", "infected", "cytoplasm", "nucleus" ]
nucleus
Answer the following multiple-choice question. Question: DNA is found where in a cell? Options: A. mitochondria B. complex C. alveoli D. membrane E. plants F. infected G. cytoplasm H. nucleus Which option is correct and why?
The correct answer is: nucleus.
A
What has more mass than the moon?
[ "your home planet", "Skylab", "the Atlantic ocean", "pluto" ]
your home planet
Answer the following multiple-choice question. Question: What has more mass than the moon? Options: A. your home planet B. Skylab C. the Atlantic ocean D. pluto Which option is correct and why?
The correct answer is: your home planet.
A
When the energy of the earthquake reaches shore, it forms a huge wave called?
[ "a tidal wave", "a surge", "a tsunami", "a typhoon" ]
a tsunami
Answer the following multiple-choice question. Question: When the energy of the earthquake reaches shore, it forms a huge wave called? Options: A. a tidal wave B. a surge C. a tsunami D. a typhoon Which option is correct and why?
The correct answer is: a tsunami.
C
Sedimentary rock is where you'll find most
[ "pterodactyl bodies", "flutes", "pebbles", "wings." ]
pterodactyl bodies
Answer the following multiple-choice question. Question: Sedimentary rock is where you'll find most Options: A. pterodactyl bodies B. flutes C. pebbles D. wings. Which option is correct and why?
The correct answer is: pterodactyl bodies.
A
What is the process that allows organisms with better traits to survive and produce?
[ "succession", "natural selection", "adaptation", "spontaneous mutation" ]
natural selection
Answer the following multiple-choice question. Question: What is the process that allows organisms with better traits to survive and produce? Options: A. succession B. natural selection C. adaptation D. spontaneous mutation Which option is correct and why?
The correct answer is: natural selection.
B
What is the region known as the myelencephalon in the embryonic brain?
[ "Telencephalon", "medulla", "Diencephalon", "Mesencephalon" ]
medulla
Answer the following multiple-choice question. Question: What is the region known as the myelencephalon in the embryonic brain? Options: A. Telencephalon B. medulla C. Diencephalon D. Mesencephalon Which option is correct and why?
The correct answer is: medulla.
B
What can be calculated by multiplying an object’s mass in kilograms (kg) by its velocity in meters per second (m/s)?
[ "height", "ground speed", "momentum", "energy" ]
momentum
Answer the following multiple-choice question. Question: What can be calculated by multiplying an object’s mass in kilograms (kg) by its velocity in meters per second (m/s)? Options: A. height B. ground speed C. momentum D. energy Which option is correct and why?
The correct answer is: momentum.
C
What structure does methane have?
[ "three dimensional tetrahedra", "two dimensional tetrahedra", "two dimensional oxyhedra", "three dimensional oxyhedra" ]
three dimensional tetrahedra
Answer the following multiple-choice question. Question: What structure does methane have? Options: A. three dimensional tetrahedra B. two dimensional tetrahedra C. two dimensional oxyhedra D. three dimensional oxyhedra Which option is correct and why?
The correct answer is: three dimensional tetrahedra.
A
Glass breaking is an example of what type of change that doesn't affect the makeup of matter?
[ "chemical", "reversible", "physical", "thermal" ]
physical
Answer the following multiple-choice question. Question: Glass breaking is an example of what type of change that doesn't affect the makeup of matter? Options: A. chemical B. reversible C. physical D. thermal Which option is correct and why?
The correct answer is: physical.
C
Which type of diabetes is more common?
[ "gestational diabetes", "type 2", "juvenile diabetes", "type 1" ]
type 2
Answer the following multiple-choice question. Question: Which type of diabetes is more common? Options: A. gestational diabetes B. type 2 C. juvenile diabetes D. type 1 Which option is correct and why?
The correct answer is: type 2.
B
What can change atmospheric nitrogen into a form used by plants?
[ "Conifers", "mutations", "Collagen", "earthworm", "sugar", "Enzymes", "spores", "wind" ]
spores
Answer the following multiple-choice question. Question: What can change atmospheric nitrogen into a form used by plants? Options: A. Conifers B. mutations C. Collagen D. earthworm E. sugar F. Enzymes G. spores H. wind Which option is correct and why?
The correct answer is: spores.
A
periscopes are used to find out what about objects
[ "microscopic", "density", "location", "weight", "Light", "energy", "observe it", "age" ]
location
Answer the following multiple-choice question. Question: periscopes are used to find out what about objects Options: A. microscopic B. density C. location D. weight E. Light F. energy G. observe it H. age Which option is correct and why?
The correct answer is: location.
C
will a glacier travel at greater speeds than a sea going vessel?
[ "maybe it moves faster", "this is likely to be false", "all of these", "odds are in its favor" ]
this is likely to be false
Answer the following multiple-choice question. Question: will a glacier travel at greater speeds than a sea going vessel? Options: A. maybe it moves faster B. this is likely to be false C. all of these D. odds are in its favor Which option is correct and why?
The correct answer is: this is likely to be false.
B
Represented in equations by the letter "g", what pulls objects down to the earth's surface?
[ "gravity", "light", "motion", "energy" ]
gravity
Answer the following multiple-choice question. Question: Represented in equations by the letter "g", what pulls objects down to the earth's surface? Options: A. gravity B. light C. motion D. energy Which option is correct and why?
The correct answer is: gravity.
A
a soil in a village seems to be nutrient deficient, what might have happened?
[ "the soil is angry", "the soil has been taken over by dogs", "the gods are angry", "there has been too much cultivation" ]
there has been too much cultivation
Answer the following multiple-choice question. Question: a soil in a village seems to be nutrient deficient, what might have happened? Options: A. the soil is angry B. the soil has been taken over by dogs C. the gods are angry D. there has been too much cultivation Which option is correct and why?
The correct answer is: there has been too much cultivation.
D
If an object absorbs all photons then that object
[ "is reflective", "is black", "Energy.", "heat energy", "inactive", "moves", "is transparent", "is flexible" ]
is black
Answer the following multiple-choice question. Question: If an object absorbs all photons then that object Options: A. is reflective B. is black C. Energy. D. heat energy E. inactive F. moves G. is transparent H. is flexible Which option is correct and why?
The correct answer is: is black.
B
Where is the pituitary gland?
[ "heart", "lung", "brain", "thyroid" ]
brain
Answer the following multiple-choice question. Question: Where is the pituitary gland? Options: A. heart B. lung C. brain D. thyroid Which option is correct and why?
The correct answer is: brain.
C
Adult spiny skinned animals found only in marine environments have what?
[ "sensory neurons", "to stay warm", "Animal survival", "extra brains", "aerobic capacity", "eight eyes", "asymmetrical axis", "radial symmetry" ]
radial symmetry
Answer the following multiple-choice question. Question: Adult spiny skinned animals found only in marine environments have what? Options: A. sensory neurons B. to stay warm C. Animal survival D. extra brains E. aerobic capacity F. eight eyes G. asymmetrical axis H. radial symmetry Which option is correct and why?
The correct answer is: radial symmetry.
A
There are 4 seasons a year, meaning a new one
[ "starts every day", "starts every quarter", "is fake", "is seven" ]
starts every quarter
Answer the following multiple-choice question. Question: There are 4 seasons a year, meaning a new one Options: A. starts every day B. starts every quarter C. is fake D. is seven Which option is correct and why?
The correct answer is: starts every quarter.
B
An arid sandy place has very little
[ "sustenance", "sand", "sun", "heat" ]
sustenance
Answer the following multiple-choice question. Question: An arid sandy place has very little Options: A. sustenance B. sand C. sun D. heat Which option is correct and why?
The correct answer is: sustenance.
A
Where can mucus like organisms be found?
[ "the environment", "Contaminated wounds", "on food", "on rotting logs and compost", "an area swollen with pus", "in the grass", "in the refridgerator", "mouth of rivers" ]
on rotting logs and compost
Answer the following multiple-choice question. Question: Where can mucus like organisms be found? Options: A. the environment B. Contaminated wounds C. on food D. on rotting logs and compost E. an area swollen with pus F. in the grass G. in the refridgerator H. mouth of rivers Which option is correct and why?
The correct answer is: on rotting logs and compost.
D
What branch of science is the study of the universe, not of cosmetics?
[ "astronomy", "cosmology", "epistemology", "theology" ]
cosmology
Answer the following multiple-choice question. Question: What branch of science is the study of the universe, not of cosmetics? Options: A. astronomy B. cosmology C. epistemology D. theology Which option is correct and why?
The correct answer is: cosmology.
B
Sediments in oligotrophic lakes contain large amounts of what?
[ "decomposable organic matter", "algae", "fertilizer", "igneous rocks" ]
decomposable organic matter
Answer the following multiple-choice question. Question: Sediments in oligotrophic lakes contain large amounts of what? Options: A. decomposable organic matter B. algae C. fertilizer D. igneous rocks Which option is correct and why?
The correct answer is: decomposable organic matter.
A
what is a central nervous system stimulant?
[ "blood", "NaCl", "SO2", "coffee", "h2o", "salt", "vinegar", "A drug." ]
coffee
Answer the following multiple-choice question. Question: what is a central nervous system stimulant? Options: A. blood B. NaCl C. SO2 D. coffee E. h2o F. salt G. vinegar H. A drug. Which option is correct and why?
The correct answer is: coffee.
D
Where does most natural gas come from?
[ "wells that produce petroleum", "oceans", "alchemy", "recycled cooking oil" ]
wells that produce petroleum
Answer the following multiple-choice question. Question: Where does most natural gas come from? Options: A. wells that produce petroleum B. oceans C. alchemy D. recycled cooking oil Which option is correct and why?
The correct answer is: wells that produce petroleum.
A
Bacteria in the soil feed on
[ "uranium", "expired creatures", "crowd sourced work", "kryptonite" ]
expired creatures
Answer the following multiple-choice question. Question: Bacteria in the soil feed on Options: A. uranium B. expired creatures C. crowd sourced work D. kryptonite Which option is correct and why?
The correct answer is: expired creatures.
B
matter is made of what?
[ "united atoms", "sound", "feelings", "bonds of friendship" ]
united atoms
Answer the following multiple-choice question. Question: matter is made of what? Options: A. united atoms B. sound C. feelings D. bonds of friendship Which option is correct and why?
The correct answer is: united atoms.
A
Phytoplankton have a clever way of making food from what?
[ "sunlight energy", "water energy", "heat energy", "heat produced", "chemical energy", "mechanical energy", "organic matter", "refraction of light" ]
sunlight energy
Answer the following multiple-choice question. Question: Phytoplankton have a clever way of making food from what? Options: A. sunlight energy B. water energy C. heat energy D. heat produced E. chemical energy F. mechanical energy G. organic matter H. refraction of light Which option is correct and why?
The correct answer is: sunlight energy.
A
cooking a meal will lead to a transfer of energy into that meal?
[ "this is false", "this is provable", "maybe", "all of these" ]
this is provable
Answer the following multiple-choice question. Question: cooking a meal will lead to a transfer of energy into that meal? Options: A. this is false B. this is provable C. maybe D. all of these Which option is correct and why?
The correct answer is: this is provable.
B
If one is hitting ebony and ivory and making sound
[ "that is a kitchen utensil", "that is an instrument of pain", "that is a scientific instrument", "that is playing Chop sticks" ]
that is playing Chop sticks
Answer the following multiple-choice question. Question: If one is hitting ebony and ivory and making sound Options: A. that is a kitchen utensil B. that is an instrument of pain C. that is a scientific instrument D. that is playing Chop sticks Which option is correct and why?
The correct answer is: that is playing Chop sticks.
D
Transpiration is part of what process?
[ "carbon", "flow of electrons", "plants", "conversion of chemical energy", "evaporation", "Condensation", "circulatory systems", "photosynthesis" ]
photosynthesis
Answer the following multiple-choice question. Question: Transpiration is part of what process? Options: A. carbon B. flow of electrons C. plants D. conversion of chemical energy E. evaporation F. Condensation G. circulatory systems H. photosynthesis Which option is correct and why?
The correct answer is: photosynthesis.
A
What is formed by rocks breaking down?
[ "ground", "earth", "metamorphic rock", "dirt", "magma", "basalt", "crust", "soil" ]
soil
Answer the following multiple-choice question. Question: What is formed by rocks breaking down? Options: A. ground B. earth C. metamorphic rock D. dirt E. magma F. basalt G. crust H. soil Which option is correct and why?
The correct answer is: soil.
A
What is another name for a radioactive isotope?
[ "kilocalorie", "radiostope", "xerophyte", "nono particle" ]
radiostope
Answer the following multiple-choice question. Question: What is another name for a radioactive isotope? Options: A. kilocalorie B. radiostope C. xerophyte D. nono particle Which option is correct and why?
The correct answer is: radiostope.
B
Combining the voltages of the oxidation and reduction half reactions helps to determine what?
[ "magnetic", "moisture", "slimy", "voltage" ]
voltage
Answer the following multiple-choice question. Question: Combining the voltages of the oxidation and reduction half reactions helps to determine what? Options: A. magnetic B. moisture C. slimy D. voltage Which option is correct and why?
The correct answer is: voltage.
D
Comprising 10 percent of the mass of the brain, what structure has varied functions that all point to a role in the motor system?
[ "superior peduncle", "cerebrum", "medulla oblongata", "cerebellum" ]
cerebellum
Answer the following multiple-choice question. Question: Comprising 10 percent of the mass of the brain, what structure has varied functions that all point to a role in the motor system? Options: A. superior peduncle B. cerebrum C. medulla oblongata D. cerebellum Which option is correct and why?
The correct answer is: cerebellum.
D
What process is the primary function of the branching internal tubules called protonephridia?
[ "enculturation", "thermoregulation", "calcification", "osmoregulation" ]
osmoregulation
Answer the following multiple-choice question. Question: What process is the primary function of the branching internal tubules called protonephridia? Options: A. enculturation B. thermoregulation C. calcification D. osmoregulation Which option is correct and why?
The correct answer is: osmoregulation.
D
if a student asked a teacher about the size of a certain item, what could be an indicator?
[ "the volume of the item", "the color of the item", "the luster of the item", "the depth of the item" ]
the volume of the item
Answer the following multiple-choice question. Question: if a student asked a teacher about the size of a certain item, what could be an indicator? Options: A. the volume of the item B. the color of the item C. the luster of the item D. the depth of the item Which option is correct and why?
The correct answer is: the volume of the item.
A
In the radiative zone, light particles called what can only travel a few millimeters before they hit another particle?
[ "photons", "positrons", "neutrons", "electrons" ]
photons
Answer the following multiple-choice question. Question: In the radiative zone, light particles called what can only travel a few millimeters before they hit another particle? Options: A. photons B. positrons C. neutrons D. electrons Which option is correct and why?
The correct answer is: photons.
A
What is dna transcribed into after being replicated?
[ "diploid chromosomes", "protein", "rna", "gene" ]
rna
Answer the following multiple-choice question. Question: What is dna transcribed into after being replicated? Options: A. diploid chromosomes B. protein C. rna D. gene Which option is correct and why?
The correct answer is: rna.
C
Which layer of soil experiences the most weathering?
[ "humus", "subsoil", "bedrock", "top layer" ]
top layer
Answer the following multiple-choice question. Question: Which layer of soil experiences the most weathering? Options: A. humus B. subsoil C. bedrock D. top layer Which option is correct and why?
The correct answer is: top layer.
D
Early in the development of a human fetus, the skeleton is made entirely of what?
[ "bones", "membrane", "cartilage", "anterior" ]
cartilage
Answer the following multiple-choice question. Question: Early in the development of a human fetus, the skeleton is made entirely of what? Options: A. bones B. membrane C. cartilage D. anterior Which option is correct and why?
The correct answer is: cartilage.
C
How many pathways do plants have for carbon fixation?
[ "two", "one", "three", "four" ]
three
Answer the following multiple-choice question. Question: How many pathways do plants have for carbon fixation? Options: A. two B. one C. three D. four Which option is correct and why?
The correct answer is: three.
C
There are six fundamentally different kinds of nuclear decay reactions, and each releases a different kind of particle or what?
[ "mineral", "energy", "mass", "protein" ]
energy
Answer the following multiple-choice question. Question: There are six fundamentally different kinds of nuclear decay reactions, and each releases a different kind of particle or what? Options: A. mineral B. energy C. mass D. protein Which option is correct and why?
The correct answer is: energy.
B
What might you use for heat?
[ "an ice cube", "a mini flashlight", "snow", "glaciers" ]
a mini flashlight
Answer the following multiple-choice question. Question: What might you use for heat? Options: A. an ice cube B. a mini flashlight C. snow D. glaciers Which option is correct and why?
The correct answer is: a mini flashlight.
B
If electrical current is running
[ "the wire may be hot to the touch", "the wire may be cool to the touch", "the wire is automatically grounded", "the wire is automatically water safe" ]
the wire may be hot to the touch
Answer the following multiple-choice question. Question: If electrical current is running Options: A. the wire may be hot to the touch B. the wire may be cool to the touch C. the wire is automatically grounded D. the wire is automatically water safe Which option is correct and why?
The correct answer is: the wire may be hot to the touch.
A
What is the name of vesicles that are formed by the golgi apparatus?
[ "lymphocytes", "vessels", "lysosomes", "capillaries" ]
lysosomes
Answer the following multiple-choice question. Question: What is the name of vesicles that are formed by the golgi apparatus? Options: A. lymphocytes B. vessels C. lysosomes D. capillaries Which option is correct and why?
The correct answer is: lysosomes.
C
What type of lipids contain the element phosphorus, carbon, hydrogen and oxygen?
[ "eukaryotes", "alleles", "phospholipids", "filaments" ]
phospholipids
Answer the following multiple-choice question. Question: What type of lipids contain the element phosphorus, carbon, hydrogen and oxygen? Options: A. eukaryotes B. alleles C. phospholipids D. filaments Which option is correct and why?
The correct answer is: phospholipids.
C
Mammals have a layer of fat under the skin to help keep the body warm in what?
[ "cozy cabins", "by keeping them warm", "warm areas", "a variety of climates", "In the winter", "heat or cold", "the environment", "sunny places" ]
a variety of climates
Answer the following multiple-choice question. Question: Mammals have a layer of fat under the skin to help keep the body warm in what? Options: A. cozy cabins B. by keeping them warm C. warm areas D. a variety of climates E. In the winter F. heat or cold G. the environment H. sunny places Which option is correct and why?
The correct answer is: a variety of climates.
D
What has caused harm to the bird population?
[ "feral dogs", "migration", "habitait loss", "amoebae", "hypothyroidism", "fuel emmisions", "Pesticides", "viruses" ]
habitait loss
Answer the following multiple-choice question. Question: What has caused harm to the bird population? Options: A. feral dogs B. migration C. habitait loss D. amoebae E. hypothyroidism F. fuel emmisions G. Pesticides H. viruses Which option is correct and why?
The correct answer is: habitait loss.
C
Work is done only if a force is exerted in the direction of what?
[ "north", "gravity", "wind", "motion" ]
motion
Answer the following multiple-choice question. Question: Work is done only if a force is exerted in the direction of what? Options: A. north B. gravity C. wind D. motion Which option is correct and why?
The correct answer is: motion.
D
A dead deer was found partially eaten in a forest. How could it have been caught?
[ "It was caught by appendages on the feet of a feline", "A raccoon jumped on the deer's back and killed and ate it", "It was caught by a horse's mouth", "It was shot by a bear" ]
It was caught by appendages on the feet of a feline
Answer the following multiple-choice question. Question: A dead deer was found partially eaten in a forest. How could it have been caught? Options: A. It was caught by appendages on the feet of a feline B. A raccoon jumped on the deer's back and killed and ate it C. It was caught by a horse's mouth D. It was shot by a bear Which option is correct and why?
The correct answer is: It was caught by appendages on the feet of a feline.
A
the area where what growth occurs is located within and around the vascular tissues
[ "shrub beds", "Conifers", "homogenous", "secondary", "Plants growth", "ferns", "roots", "Most plants" ]
secondary
Answer the following multiple-choice question. Question: the area where what growth occurs is located within and around the vascular tissues Options: A. shrub beds B. Conifers C. homogenous D. secondary E. Plants growth F. ferns G. roots H. Most plants Which option is correct and why?
The correct answer is: secondary.
D
Some precipitation that falls on land may fill what?
[ "loose soil", "important habitats", "autumnal pools", "swamp vegetation", "storing water", "mouth of rivers", "Sediment", "loose dirt" ]
autumnal pools
Answer the following multiple-choice question. Question: Some precipitation that falls on land may fill what? Options: A. loose soil B. important habitats C. autumnal pools D. swamp vegetation E. storing water F. mouth of rivers G. Sediment H. loose dirt Which option is correct and why?
The correct answer is: autumnal pools.
C
Gain or loss of what causes an atom to become a negatively or positively charged ion?
[ "electrons", "neutrons", "nucleus", "protons" ]
electrons
Answer the following multiple-choice question. Question: Gain or loss of what causes an atom to become a negatively or positively charged ion? Options: A. electrons B. neutrons C. nucleus D. protons Which option is correct and why?
The correct answer is: electrons.
A
Which of the following results from a chemical reaction involving baking soda?
[ "Mixing play-doh", "Making cereal", "A dog's saliva", "Science fair volcanoes" ]
Science fair volcanoes
Answer the following multiple-choice question. Question: Which of the following results from a chemical reaction involving baking soda? Options: A. Mixing play-doh B. Making cereal C. A dog's saliva D. Science fair volcanoes Which option is correct and why?
The correct answer is: Science fair volcanoes.
D
the earth is the source of
[ "joy", "natural resources", "humanity", "intellegence" ]
natural resources
Answer the following multiple-choice question. Question: the earth is the source of Options: A. joy B. natural resources C. humanity D. intellegence Which option is correct and why?
The correct answer is: natural resources.
B
What do organisms need to speed up biochemical reactions?
[ "genes", "carbohydrates", "enzymes", "hormones" ]
enzymes
Answer the following multiple-choice question. Question: What do organisms need to speed up biochemical reactions? Options: A. genes B. carbohydrates C. enzymes D. hormones Which option is correct and why?
The correct answer is: enzymes.
C
rivers cut deeper and wider to form what
[ "canyons", "arteries", "Roads", "timberlands", "old growth forests", "soils", "Sediment", "coral reefs" ]
canyons
Answer the following multiple-choice question. Question: rivers cut deeper and wider to form what Options: A. canyons B. arteries C. Roads D. timberlands E. old growth forests F. soils G. Sediment H. coral reefs Which option is correct and why?
The correct answer is: canyons.
A
Plants cell walls are made of
[ "fiber", "keratin", "alveoli", "cations", "matter", "CO 2", "porous", "Cane." ]
fiber
Answer the following multiple-choice question. Question: Plants cell walls are made of Options: A. fiber B. keratin C. alveoli D. cations E. matter F. CO 2 G. porous H. Cane. Which option is correct and why?
The correct answer is: fiber.
A
What are the strongest magnets made?
[ "polarized magnets", "electromagnets", "natural magnets", "permanent magnets" ]
electromagnets
Answer the following multiple-choice question. Question: What are the strongest magnets made? Options: A. polarized magnets B. electromagnets C. natural magnets D. permanent magnets Which option is correct and why?
The correct answer is: electromagnets.
B
The direction of prevailing winds determines the type of what that usually moves over an area?
[ "storm", "weather", "air mass", "water mass" ]
air mass
Answer the following multiple-choice question. Question: The direction of prevailing winds determines the type of what that usually moves over an area? Options: A. storm B. weather C. air mass D. water mass Which option is correct and why?
The correct answer is: air mass.
C
What do some ovum require to survive?
[ "sperm", "Proteins", "glycogen", "sugar", "hormones", "nutrients", "warmth", "food" ]
warmth
Answer the following multiple-choice question. Question: What do some ovum require to survive? Options: A. sperm B. Proteins C. glycogen D. sugar E. hormones F. nutrients G. warmth H. food Which option is correct and why?
The correct answer is: warmth.
A
smoking what decreases stamina?
[ "salmon", "toxins", "cigars", "cancer", "h2o", "dangerous", "fireplace", "steroids" ]
cigars
Answer the following multiple-choice question. Question: smoking what decreases stamina? Options: A. salmon B. toxins C. cigars D. cancer E. h2o F. dangerous G. fireplace H. steroids Which option is correct and why?
The correct answer is: cigars.
C
With a diet of live animals such as birds, small mammals and fish, all crocodilians are considered what?
[ "symbiotes", "omnivores", "carnivores", "predators" ]
carnivores
Answer the following multiple-choice question. Question: With a diet of live animals such as birds, small mammals and fish, all crocodilians are considered what? Options: A. symbiotes B. omnivores C. carnivores D. predators Which option is correct and why?
The correct answer is: carnivores.
C
A person decides to reproduce with another person, so beforehand they
[ "find some friends", "consider genetic implications", "consider eating dinner", "make a dollar" ]
consider genetic implications
Answer the following multiple-choice question. Question: A person decides to reproduce with another person, so beforehand they Options: A. find some friends B. consider genetic implications C. consider eating dinner D. make a dollar Which option is correct and why?
The correct answer is: consider genetic implications.
B
What is the amount of solute that can dissolve in a given amount of solvent at a given temperature?
[ "solubility", "permeability", "humidity", "viscosity" ]
solubility
Answer the following multiple-choice question. Question: What is the amount of solute that can dissolve in a given amount of solvent at a given temperature? Options: A. solubility B. permeability C. humidity D. viscosity Which option is correct and why?
The correct answer is: solubility.
A
An animal species' population may decrease because of
[ "construction activity", "mating", "more food", "growth" ]
construction activity
Answer the following multiple-choice question. Question: An animal species' population may decrease because of Options: A. construction activity B. mating C. more food D. growth Which option is correct and why?
The correct answer is: construction activity.
A
What type of treatment is necessary for anaphylaxis?
[ "allergy shot", "emergency", "outpatient", "intensive care" ]
emergency
Answer the following multiple-choice question. Question: What type of treatment is necessary for anaphylaxis? Options: A. allergy shot B. emergency C. outpatient D. intensive care Which option is correct and why?
The correct answer is: emergency.
B
What impact does recycling have on the environment?
[ "Positive", "humans", "Negative", "less water", "mild", "protect them", "It changes life as we know it", "It's inconsequential" ]
Positive
Answer the following multiple-choice question. Question: What impact does recycling have on the environment? Options: A. Positive B. humans C. Negative D. less water E. mild F. protect them G. It changes life as we know it H. It's inconsequential Which option is correct and why?
The correct answer is: Positive.
A
Which system is divided into the somatic and autonomic nervous systems?
[ "central nervous system", "auxiliary nervous system", "local nervous system", "peripheral nervous system" ]
peripheral nervous system
Answer the following multiple-choice question. Question: Which system is divided into the somatic and autonomic nervous systems? Options: A. central nervous system B. auxiliary nervous system C. local nervous system D. peripheral nervous system Which option is correct and why?
The correct answer is: peripheral nervous system.
D