id
string
question
string
choices
list
answer_key
string
source
string
f78107f5-31f2-4d69-b30c-4f3af25e5246
Sodium-potassium pumps help nerve cells establish a voltage across their what?
[ "potassium membranes", "cell walls", "plasma membranes", "sodium membranes" ]
plasma membranes
sciq
cd895a54-deef-44d7-957e-be1284370444
Tin is oxidized at the anode, while silver ion is reduced at?
[ "cathode", "anodyne", "iodine", "gamma" ]
cathode
sciq
c0e1e81e-a889-41e6-8ebf-d4f50ce4e6b0
Adding a solute does what to the boiling point of a pure solvent?
[ "increases it", "reduces it", "no effect", "silences it" ]
increases it
sciq
cc59e8aa-94fe-40a9-bf18-200d9e2a1782
Illnesses caused by bacteria in food are commonly known as what?
[ "the flu", "chemical poisoning", "food poisoning", "viral poisoning" ]
food poisoning
sciq
1330a3c3-689c-4f0f-8352-d3990b80df19
Most bacteria may be placed into one of three groups based on their response to gaseous?
[ "potassium", "oxygen", "carbon", "nitrogen" ]
oxygen
sciq
6772d239-9d02-4526-9ebb-ea5a9fdff86c
More uv rays reach the ground due to a decrease in what layer in the stratosphere?
[ "gases", "ozone", "smog", "troposphere" ]
ozone
sciq
4c7e392e-55d5-46d7-b272-b0e9c232eedb
Two species that share what cannot coexist in a community?
[ "color", "mood", "language", "same niche" ]
same niche
sciq
a64be7c2-bbd8-43aa-8475-b1774f59cdd5
In a wheel and axle, when force is applied either to the wheel or axle, what aspect of the force does not change?
[ "speed", "shift", "direction", "pressure" ]
direction
sciq
39825c7d-39cc-4603-a143-edb1857ce5d3
What can be used to determine the mass of a quantity of material?
[ "gravitational mass", "atomic masses", "inertial mass", "molar masses" ]
molar masses
sciq
19bc8651-adb4-4946-8c5f-b984c468ba5d
The thick skin, found only on the palms of the hands and the soles of the feet, has an extra what?
[ "surface", "layer", "Skin", "outer" ]
layer
sciq
33e32095-6106-40ab-b3b7-e8432acd10d3
What effect does tamiflu have on viruses and cells?
[ "reprograms viruses", "destroys all viruses", "inhibits spread of virus", "enhances cells" ]
inhibits spread of virus
sciq
f9eceb6a-692d-492b-9a11-6a4c74e46bf7
What is the main ingredient of mothballs?
[ "ionized naphthalene", "processed naphthalene", "hydrocarbon naphthalene", "stable naphthalene" ]
hydrocarbon naphthalene
sciq
bd50eca9-9e2f-4a60-a14c-c72e034a25cb
What is the column of hot rock that continuously brings hot rock up from the mantle toward the crust?
[ "mantle plume", "volcanic vent", "flue", "hotspot" ]
mantle plume
sciq
478c5731-b281-4321-9878-dc9786b1a1fe
What color light is actually the absence of electromagnetic waves in the visible spectrum, for humans?
[ "black light", "ultraviolet light", "infrared light", "blue light" ]
black light
sciq
86ec6962-03dc-4a13-bdba-56a33bbaa0d9
What type of seeds come from plants that were traditionally grown in human populations, as opposed to the seeds used for large-scale agricultural production?
[ "original seeds", "heirloom seeds", "old-fashioned seeds", "modified seeds" ]
heirloom seeds
sciq
a9c09d42-0b8b-4ad4-b39f-69adc594a84d
What is the organic material that comes from plants and animals that were recently living called?
[ "biofuels", "chlorophyll", "biomass", "contaminants" ]
biomass
sciq
56093fdf-0a65-4159-a24a-9896fd5285d2
What is the simplest form of matter that has a unique set of properties?
[ "quark", "atom", "element", "molecule" ]
element
sciq
3258eb60-6642-4150-9f0e-6d455f32b239
At least 20 percent of the world’s people do not have a ready supply of what?
[ "clean drinking water", "food", "clothing", "oil" ]
clean drinking water
sciq
c972be5e-5e64-4753-8be5-398d8e705f32
What simple machine consists of two connected rings or cylinders, one inside the other, which both turn in the same direction around a single center point?
[ "pully", "wheel and axle", "spoke", "bloom and axle" ]
wheel and axle
sciq
c63d2ab3-413a-4028-9807-e04492fc1a79
Birds have air sacs that store inhaled air and push it into their what?
[ "abdomens", "beaks", "lungs", "bones" ]
lungs
sciq
6143b66c-ee90-49ad-a590-df31cd08b74d
What is in the soil that causes mars to look red?
[ "sand", "garnet", "carbon", "iron" ]
iron
sciq
cfd39b7d-d59a-4250-8590-60ed193e9ca3
Convection generally involves the transfer of what type of energy?
[ "sunlight", "magnetic", "radioactive", "thermal" ]
thermal
sciq
62341321-06f0-46ec-835f-6ace107d084a
What is the term for a push or a pull on an object?
[ "force", "action", "gravity", "effort" ]
force
sciq
73218aad-999e-42ca-b5fc-b90b021aa0f3
What term is used to describe the process of removing wastes and excess water from the body?
[ "diffusion", "digestion", "excretion", "aeration" ]
excretion
sciq
517bbbf3-53b8-4e60-aa10-475f5a9372ad
Which disease occurs when there is not enough hemoglobin in the blood?
[ "Pulmonary", "Respiratory", "anemia", "Diabetes" ]
anemia
sciq
d85b57e0-2e1d-43d4-9e72-88acb61d6cb0
In what state of matter are particles rigidly fixed in space and held tightly to neighboring particles?
[ "solids", "energies", "Gases", "liquids" ]
solids
sciq
01a29272-c7ca-4960-8254-9fc9c831a0e0
What is a network solid and consists of carbon atoms covalently bonded to one another in a repeating three-dimensional pattern?
[ "an agate", "a ruby", "a zirconium", "a diamond" ]
a diamond
sciq
43395399-d114-460a-9a9e-cab93a567827
Linnaeus developed binomial nomenclature, which means each organism is assigned what?
[ "complex name", "simple name", "single name", "two-part name" ]
two-part name
sciq
00b5f7c9-044c-4f48-9514-606dbef1223e
What do we call the mathematical field of study credited to french mathematician-philosopher rene descartes?
[ "cartesian geometry", "Euclidean geometry", "algebra", "calculus" ]
cartesian geometry
sciq
a0709cb2-8a8f-4f60-9d88-99ffe3fecf03
Where do skeletal muscles usually attach?
[ "end of bones", "to the spine", "to dendrites", "to cartilage" ]
end of bones
sciq
a453834c-258e-402a-8f9c-ce694dbb3fa8
What do the cells in the front of a volvox typically develop to help swim towards light?
[ "eyespots", "vertebrates", "tumors", "sunspots" ]
eyespots
sciq
b460555f-79f8-4bb5-93ab-f1b0c907bb25
What bodily system handles taking in oxygen, getting rid of carbon dioxide, aiding in speech production and sensing odors?
[ "nervous system", "circulatory system", "pulmonary system", "respiratory system" ]
respiratory system
sciq
292a50cd-5950-41cd-998f-86aebbf6da9c
The atom often (but not always) turns into a different what during the decay process?
[ "aspect", "concept", "reaction", "element" ]
element
sciq
78cc605b-cee5-455b-902c-c8c8a93a92ef
Females are not influenced by the male sex hormone testosterone during embryonic development because they lack what?
[ "z chromosome​", "m chromosome​", "y chromosome", "x chromosome​" ]
y chromosome
sciq
fa0878a1-509a-4b52-97a0-464d72a6ae28
Pressure relationships inspiration (or inhalation) and expiration (or exhalation) are dependent on the differences in pressure between the atmosphere and these?
[ "bones", "salts", "lungs", "enzymes" ]
lungs
sciq
74d38e49-0df5-4f0b-9a32-bd5c5df7d856
Female monotremes share what external opening with reptiles and birds?
[ "urethra", "anus", "vagina", "cloaca" ]
cloaca
sciq
5c45ee94-0492-4bfb-a431-4ac6f26475e6
Collisions between hydrogen atoms demonstrate one form of what?
[ "destructive fusion", "nuclear radiation", "nuclear reaction", "nuclear fusion" ]
nuclear fusion
sciq
fb57262d-c171-4521-9155-5b2184e1a82a
Fluid-filled thylakoids are the site of glucose production in the second stage of what process?
[ "glycolysis", "photosynthesis", "measurements", "birth" ]
photosynthesis
sciq
15f69f4c-1099-4ee3-819b-4631d11e659c
What are the basic units of structure and function in living organisms?
[ "cells", "proteins", "lipids", "molecules" ]
cells
sciq
e1f49ddb-ed28-4999-80f2-b6d7b0094445
What concept can be applied to biology, because the structure of an organism, or part of an organism, depends on its function?
[ "attachment follows function", "form follows use", "form follows function", "motion follows function" ]
form follows function
sciq
78931967-847c-478b-a08e-e130b152fbb6
Nuclei with even numbers of protons, neutrons, or both are more likely to be this?
[ "unstable", "stable", "ionic", "solid" ]
stable
sciq
3da4b26d-128b-485e-bfb5-a2fc2ddbe095
Some prokaryotes form spores for survival called what?
[ "rhizomes", "gymnosperms", "buds", "endospores" ]
endospores
sciq
2cb9afbf-da97-4229-98ea-1300f3bfed29
What is the liquid inside the central vacuole called?
[ "chloroplasm", "cytoplasm", "osmotic fluid", "cell sap" ]
cell sap
sciq
868505e5-6036-48e1-b7a4-270d18de9ec4
Cancer cells take up glucose for what reason?
[ "reproduction", "energy", "food", "heating" ]
energy
sciq
f6426046-9617-4840-a68f-fcd4680cb7b7
Birds and insects perform what function for flowering plants?
[ "vegetation", "condensation", "irrigation", "pollination" ]
pollination
sciq
9c73ce68-18d3-4e1e-b7e4-9446e00d418e
Most carcinogens produce mutations in genes that control what?
[ "ubiquitous cycle", "cell cycle", "digestive cycle", "proteins cycle" ]
cell cycle
sciq
c3711a73-5a97-428b-b0d2-444a6a285b31
What type of equations allows calculation of the wavelength of any moving object?
[ "debroglie wave", "fluctuations wave", "develpoment wave", "disc wave" ]
debroglie wave
sciq
4dbd3c86-8e27-4f77-860e-e50fdec5030f
Each new horizontal row of the periodic table corresponds to the beginning of a new period because a new principal energy level is being filled with what?
[ "neutrons", "electrons", "protons", "photons" ]
electrons
sciq
11bd8906-b260-441a-9f46-7efa2f8f9aa1
What kind of energy is specifically defined as the energy that is available to do work?
[ "new", "old", "free", "used" ]
free
sciq
893873bb-7674-43ac-8d6a-6ce5e1481385
Only a small percent of earth's water is what type, as opposed to saltwater?
[ "fresh", "rainwater", "runoff", "groundwater" ]
fresh
sciq
13414829-2440-4cc3-a982-6c34d4adbc7f
The kidneys work with the urinary system to remove what?
[ "water", "wastes", "ions", "nutrients" ]
wastes
sciq
fbca2dba-3a98-44a1-9bf1-543dd62df49f
What is asexual reproduction in which an egg develops without being fertilized called?
[ "parthenogenesis", "budding", "binary fission", "metamorphosis" ]
parthenogenesis
sciq
d01a713b-e8a0-4146-bd11-f37aa77facc5
What does water vapor in the atmosphere cool and condense into?
[ "oceans", "rain", "puddles", "clouds" ]
clouds
sciq
ddb87f2d-93f5-4541-b692-1e39b22338c5
Carbon-14 dating is a method of what kind of dating?
[ "metamorphic", "stratigraphy", "radiometric", "orbital" ]
radiometric
sciq
9a7d778b-2ae4-4c09-9c95-707367a1e215
Friendly bacteria live mostly in the large intestine and part of the small intestine, because what organ is too acidic?
[ "stomach", "liver", "skin", "rectum" ]
stomach
sciq
c25fde4a-b0ab-4c4c-b8c3-c4ffe6242e14
The addition of heat changes liquid water to what?
[ "distilled water", "water vapor", "rainwater", "ice" ]
water vapor
sciq
b9391349-0fa2-409b-8108-0cf45b1c6f7e
What is the most widely accepted theory explaining how muscle fibers contract?
[ "sliding pigment theoery", "sliding filament theory", "sliding tritium theory", "sliding carbon theory" ]
sliding filament theory
sciq
aad6b1ba-1085-4d75-99ee-e4c64833a661
Power in electricity is the voltage multiplied by what?
[ "power", "the current", "wattage", "amperes" ]
the current
sciq
796098e2-26ef-4a45-9b56-dd5927abad00
What are the vertical columns of similar chemical properties on the periodic table?
[ "Family", "zones", "groups", "Pods" ]
groups
sciq
8f76ae8a-906e-4353-8445-9f9565a4da67
What forms the changing shapes of sand dunes?
[ "temperature", "magnetism", "wind", "humidity" ]
wind
sciq
ac833545-8772-4d58-954e-8aaca57ed225
What is the process in which one cell divides to form two new cells called?
[ "Cell Formation", "cell contribution", "cell division", "cell direction" ]
cell division
sciq
2b55a32f-5b24-4723-a53e-774c9008c874
What reaction is considered the reverse of photosynthesis?
[ "cellular digestion", "cellular decay", "cellular respiration", "cellular transfer" ]
cellular respiration
sciq
b80148ce-8859-4987-882d-f4b68b800ffd
What are composed of an oxygen atom that forms single bonds with two carbon atoms?
[ "acids", "solvents", "ethers", "sugars" ]
ethers
sciq
17428a5b-ba83-4178-b02a-4b1f95d9c310
Where do cells come from?
[ "nuclear fission", "sexual reproduction", "preexisting cells", "mutations" ]
preexisting cells
sciq
8a3eee3d-ca39-4037-8b82-0fe06c2686ad
What are the female gametes that form in the ovaries?
[ "sperm", "eggs", "spermatozoa", "genes" ]
eggs
sciq
70a807cf-0f06-4ab6-8677-2b40ca7476a3
What are plants in the diploid generation called?
[ "sporophytes", "keratinocytes", "monocots", "haplocytes" ]
sporophytes
sciq
d7d2192b-5cfe-4797-a3ce-35546123267c
Through what do moving particles transfer thermal energy?
[ "tissue", "fluid", "plasma", "gas" ]
fluid
sciq
77764696-cfb7-4dce-8373-9f42db5f3be6
What is the name for the water-splitting step of photosynthesis?
[ "peristalsis", "hydrolysis", "cellular respiration", "photolysis" ]
photolysis
sciq
6058e92e-9bca-4111-b968-37e0300d035d
The entropy change is positive as the solid state changes into which state?
[ "chemical", "liquid", "mixture", "gas" ]
liquid
sciq
53be85e0-3b45-4976-ae8e-2fe79c3fa470
The process when heat is released is referred to as what?
[ "geothermal", "exothermic", "endothermic", "insular" ]
exothermic
sciq
34baa729-0d9e-4b08-a2e4-2b5b1c939367
What is a large space that helps the organism digest & move nutrients around the cnidarian body?
[ "gastrovascular cavity", "vacuole", "thorax", "abdominal wall" ]
gastrovascular cavity
sciq
6c0e8e1b-1eb6-459b-a0bc-c14821c7bf9b
An infection of the brain is called?
[ "influenza", "tuberculosis", "syphilis", "encephalitis" ]
encephalitis
sciq
bba92238-9981-4be9-acfc-30c58ad607a2
The converging of continental plates can form what kind of geological feature?
[ "shores", "mountains", "plains", "streams" ]
mountains
sciq
7dd82276-089a-4203-b193-3e2a63db310c
Mammals generally lack a cloaca and have a separate opening for the what?
[ "digestive tract", "tissues tract", "urinary tract", "physical tract" ]
digestive tract
sciq
ed8514b5-19b0-4a84-be81-98f46c8ed73c
Chordates are defined by a set of four characteristics that are shared by these animals at some point during their?
[ "birth", "death", "development", "response" ]
development
sciq
37422689-3b89-4eac-96da-efbc5bfc48fd
What is produced during the light reactions in photosynthesis?
[ "waste", "carbon", "oxygen", "nitrogen" ]
oxygen
sciq
29be01f7-ac3a-4ab6-9e52-fd7bfa9fa0ea
Nerves of the hands, arms, feet, legs, and trunk are part of what system?
[ "circulatory system", "cardiovascular system", "urinary system", "peripheral nervous system" ]
peripheral nervous system
sciq
c7293016-1cf8-49e0-899f-b06efa9efa7d
Generally, momentum implies a tendency to continue on course—to move in the same direction—and is associated with great mass and speed. momentum, like energy, is important because it is what?
[ "sequences", "endless", "conserved", "invisible" ]
conserved
sciq
1b8ef173-032c-4610-a3c8-981fa5843ef5
Which types of muscles cause bones to move when they retract?
[ "active muscles", "working muscles", "bone muscles", "skeletal muscles" ]
skeletal muscles
sciq
5e6e1e70-0323-4301-87bf-91eda74250f3
Which is the final step of cell division?
[ "Mitosis", "electrolysis", "cytokinesis", "genesys" ]
cytokinesis
sciq
a797f70e-1c19-4529-affe-ae64280296a6
What are xylem and phloem responsible for transporting to the cells of leaves?
[ "air and dirt", "water and minerals", "light and gas", "water and blood" ]
water and minerals
sciq
48c2c1bd-c817-47aa-b2fc-97beec4e51f7
What kind of cell is a cell with two chromosomes?
[ "neurotic cell", "mutated cell", "diploid cell", "haploid cells" ]
diploid cell
sciq
46036600-4949-46c4-b523-addf7dcc00aa
Which term literally means 'spore in a vessel'?
[ "sporangia", "cyanobacteria", "Carboid", "germination" ]
sporangia
sciq
2f40179e-f85b-4943-ac39-66236f3f032d
Human culture is related to evolutionary theory in the discipline of what?
[ "astrology", "sociobiology", "ethnology", "psychopathology" ]
sociobiology
sciq
ddc8bc3a-96c9-4738-b8d5-34eebd54dfcd
Which forces hold particles together in more ordered states?
[ "gravitational", "intermolecular", "particular", "natural" ]
intermolecular
sciq
b22456a0-96a6-4497-b543-b4236099779d
What is the movement of muscle in the digestive system called?
[ "peristalsis", "apoptosis", "acid reflux", "labor contractions" ]
peristalsis
sciq
1632a0a8-dc20-4d24-851b-81b1eabf17d1
Smoking increases the risk of cancer from what radioactive gas that can also be detected with a test kit for your home?
[ "carbon dioxide", "arsenic", "carbon monoxide", "radon" ]
radon
sciq
4dfa94b1-1c22-4d11-9dca-40b4731f339d
What is the main function of the cardiovascular system?
[ "digestion", "to transport", "respiration", "implanatation" ]
to transport
sciq
3702356b-06d1-4d57-a425-35de26a77a02
When something is described as "hydrophilic", you can determine something about how it interacts with what?
[ "water", "hydrogen", "air", "iron" ]
water
sciq
bdbf124f-f1de-4307-8be0-68655b7d182b
What human traits are controlled by more than one gene?
[ "maladaptive traits", "polygenic traits", "mutant traits", "autolysis traits" ]
polygenic traits
sciq
2878a328-a3bd-4a55-a079-f16388d3c992
Most chromosomal disorders involve which chromosomes?
[ "protosomes", "ribosomes", "sex chromosomes", "autosomes" ]
sex chromosomes
sciq
04a8582c-b4cb-4169-81a7-9db7c94f7453
Carbonic anhydrase plays what role to achieve a variety of results involving different organs?
[ "enzyme", "blocker", "inhibition", "sequence" ]
enzyme
sciq
96373313-0a85-4cea-9a9c-d9bd39c443cf
What is it called when minerals replace the organic material to create fossils?
[ "carbonization", "permineralization", "spongin", "petrification" ]
permineralization
sciq
96115d30-bbd7-41ad-89cf-5171f797ee6c
Smaller sized galaxies are known as what?
[ "constellations", "dwarf galaxies", "black holes", "nebula" ]
dwarf galaxies
sciq
c92876f8-669f-41f3-8a41-f0b99b20e19d
What is the name of the supportive structed that helps move a worm's muscles?
[ "exoskeleton", "spongin", "hydroskeleton", "pollenation" ]
hydroskeleton
sciq
d1dd8b99-9de9-4b72-8be1-c78461dd84ad
What type of transport occurs when substances cross the plasma membrane without any input of energy from the cell?
[ "passive transport", "wave diffusion", "active transport", "physical transport" ]
passive transport
sciq
3463053b-6adc-4900-bc7f-e3a85459a33a
A mold is an imprint of an organism left in what?
[ "rock", "fossil", "magma", "band" ]
rock
sciq
b3c76176-efc9-4551-b691-5cd3740b8856
Particles of different densities exert different amounts of what?
[ "force", "energy", "pressure", "resistance" ]
pressure
sciq
ce43e7f3-7df0-4de8-b5f0-bbe52a52ba58
Plants generally transport carbohydrates from leaves to roots and other nonphotosynthetic organs in the form of what?
[ "sucrose", "glucose", "potassium", "chloride" ]
sucrose
sciq
9cd520ba-cdf6-4bc7-be6e-5c55774ed40c
Monocots and eudicots differ in what type of a leaf's tissue?
[ "vascular", "circulatory", "reproductive", "structural" ]
vascular
sciq