id string | question string | choices list | answer_key string | source string |
|---|---|---|---|---|
7504bd0f-1de1-4301-8726-08d9fff26ff1 | What do voltmeters measure? | [
"voltage increase across a resistor",
"voltage drop across a resistor",
"current increase across a resistor",
"current drop across a resistor"
] | voltage drop across a resistor | sciq |
e6fe15ab-3070-43e8-89ad-0fc6e9edfd51 | Distinct from a suspension, a solution is considered what type of mixture? | [
"continuous",
"heterogeneous",
"gaseous",
"homogeneous"
] | homogeneous | sciq |
31d2f494-4706-45ea-84eb-ad8da88ddd13 | What is the largest and most complex algae | [
"brown algae",
"strange algae",
"open algae",
"green algae"
] | brown algae | sciq |
1d3ef281-2a97-4da6-a621-7c43b12a3a26 | Scientists around the world study speciation, documenting observations both of living organisms and those found in the fossil record. as their ideas take shape and as research reveals new details about how life evolves, they develop models to help explain what? | [
"spontaneous mutation",
"rates of speciation",
"food chains",
"creation theory"
] | rates of speciation | sciq |
6176e3f4-eb23-4644-98b3-d2c68ee58785 | How long do the long-lived isotopes require to decay to a safe level in a nuclear reactor? | [
"millions of years",
"thousands of years",
"tens of years",
"hundreds of years"
] | thousands of years | sciq |
8ce986c8-50ae-439a-b9b0-bf7b251512d4 | The production of light by living things is called what? | [
"attenuation",
"apoptosis",
"bioluminescence",
"bio-glow"
] | bioluminescence | sciq |
400178fb-5ad9-4e1b-8ed0-e628ee8c2fb3 | Animals that live in groups with other members of their species are called what? | [
"energetic animals",
"social animals",
"present animals",
"common animals"
] | social animals | sciq |
d7a01fa7-fd92-4ec0-bffb-974130785dd5 | Teeth in the back of the mouth are used for what? | [
"cutting food",
"swallowing food",
"tearing food",
"grinding food"
] | grinding food | sciq |
7a24ae4b-e53a-45c8-869e-aa3860c6b972 | Compared to red light, blue light has a shorter what? | [
"gravity",
"wavelength",
"absorption",
"life span"
] | wavelength | sciq |
2d910aea-c135-46cb-9113-826abdccc37d | The most common substance on earth, water, is primarily present in what state? | [
"freshwater",
"liquid",
"solid",
"gas"
] | liquid | sciq |
bcc227cf-4048-4632-b32f-358b04bbffc4 | What kind of respiration allows rapid production of atp in low oxygen situations? | [
"anabolic",
"anaerobic",
"enzymatic",
"aerobic"
] | anaerobic | sciq |
dd4b2812-d666-466b-9e51-e3f429f8d0c9 | What two forces tend to keep an animal stationary and thus oppose locomotion? | [
"friction and gravity",
"thickness and gravity",
"stength and gravity",
"workload and gravity"
] | friction and gravity | sciq |
2d73b86a-93c2-4b1a-8299-0a506e0c1b17 | What are membrane-bound organelles with their own dna called? | [
"plastids",
"vacuoles",
"ribosomes",
"chromosomes"
] | plastids | sciq |
61b076a5-cb93-4bcc-9378-96b6f170c24e | What kind of atomic molecule is oxygen gas? | [
"diatomic",
"dramatic",
"symbiotic",
"aromatic"
] | diatomic | sciq |
9860400f-7ceb-425d-a17b-32394398f53e | Why can't fungi make their own food like plants do? | [
"no hydrogen",
"no organelles",
"no cells",
"no chloroplasts"
] | no chloroplasts | sciq |
70a8f166-34bb-43b0-85e4-7c4d43b0e174 | The vestibulocochlear nerve is responsible for the senses of hearing and what else? | [
"smell",
"balance",
"sight",
"awareness"
] | balance | sciq |
70cdf3d5-78b6-4174-8d11-600ca51589d4 | What is an alloy of copper and tin? | [
"zinc",
"gold",
"bronze",
"silver"
] | bronze | sciq |
e3cf06b5-1f0c-437e-9f48-a207fc77244f | What spreads sti during sexual contact? | [
"parasites",
"viruses",
"blood",
"pathogens"
] | pathogens | sciq |
46cea03d-8c36-49f1-a3d0-f21515f3cdc1 | How many amino acids are arranged like "beads on a string" to form proteins? | [
"20",
"15",
"25",
"35"
] | 20 | sciq |
ed24fdcb-f084-4148-8c75-6cb4dff25305 | What do refrigerator magnets contain that make them stick to a refrigerator door? | [
"copper",
"zinc",
"steel",
"iron"
] | iron | sciq |
949fdc7f-61ad-416a-b610-fc6375dace6f | When does most amphibians' parenting end? | [
"never",
"once eggs have been laid",
"after adolescence",
"once offspring reach adulthood"
] | once eggs have been laid | sciq |
817ef04c-3e21-433e-a685-ad403b385c29 | What helps an insectivorous plant attract and digest insects? | [
"specialized flowers",
"specialized leaves",
"special seeds",
"spines"
] | specialized leaves | sciq |
14814501-3fb5-4b07-9a35-867f1ba7a66b | E. coli uses how many enzymes to take up and metabolize lactose? | [
"4",
"3",
"2",
"11"
] | 3 | sciq |
f4fb0b1c-7618-47cf-abd1-31e8ff7172df | What forms as a result of decomposition when n2o is heated? | [
"nitrogen and hydrogen",
"ammonia and nitrogren",
"nitrogen and oxygen",
"calcium and oxygen"
] | nitrogen and oxygen | sciq |
66bc0b64-fc0f-4c17-9dbe-77cfb8470737 | Biomass can also be processed to make what kind of fuel? | [
"hydrogen fuel",
"biofuel",
"gasoline",
"fossil"
] | biofuel | sciq |
87b51848-1ae9-4a23-8732-8bab4d505337 | What is produced when an egg is fertilized by a sperm in a fallopian tube? | [
"fetus",
"zygote",
"ovaries",
"uterus"
] | zygote | sciq |
8ca95e51-f632-4cc9-b19f-6f389698a7e4 | What structures receive blood from the atria and pump it out of the heart? | [
"valves",
"Vascular Fibers",
"ventricles",
"muscles"
] | ventricles | sciq |
bbb4875c-7240-4c28-a9d6-412a8e732a7e | What are modified leaves that bear sporangia? | [
"sporozoans",
"neutrophils",
"sporophylls",
"spines"
] | sporophylls | sciq |
26b7eddc-71d6-4354-9f62-167f7ed81018 | The reverse process of moving material into a cell is the process of what? | [
"osmosis",
"endocytosis",
"exocytosis",
"proteolysis"
] | exocytosis | sciq |
5f432743-8eb4-48b2-8363-01c141088e2b | Constriction and dilation allow the circulatory system to change the amount of blood flowing to which body parts? | [
"muscles",
"tissues",
"organs",
"arteries"
] | organs | sciq |
0a675ca9-903c-4d7e-911c-1426a4bdd10d | Focused on evolution, the studies of what man have reshaped and influenced all aspects of biology? | [
"Linnaeus",
"Albert Einstein",
"scopes",
"charles darwin"
] | charles darwin | sciq |
0dfb1728-12e5-492d-b300-8ad89ab4f16e | Are cnidarians typically found in ocean or fresh water habitats? | [
"lakes",
"freshwater",
"ocean",
"rivers"
] | ocean | sciq |
a23088b3-b2d5-463e-a328-66271d62762d | Increasing the pressure on a gas has what effect on its solubility? | [
"increase",
"decrease",
"halt",
"slow"
] | increase | sciq |
0a0e9a71-65a0-4f59-aafa-fdf1f9d244e7 | What type of fertilization do most reptiles have? | [
"budding",
"spawning",
"internal",
"external"
] | internal | sciq |
ec2cdc3f-4069-4974-a38a-4fffba31b7c9 | The vertebrate endoskeleton is made of bone and what tough, flexible tissue? | [
"collagen",
"synovial tissue",
"cuticle",
"cartilage"
] | cartilage | sciq |
c8a47713-2fea-4755-b029-d87d4f45e3fe | What has hot days and cool nights, and are typically covered with sand dunes or sparse but hardy plants? | [
"tundra",
"rain forest",
"arctic",
"deserts"
] | deserts | sciq |
0f5f6abf-f4f5-4cfc-b26c-525b379abb79 | In addition to insects, what large invertebrate phylum includes animals such as spiders, centipedes, and lobsters? | [
"ostracods",
"arthropoda",
"onychophora",
"fungi"
] | arthropoda | sciq |
f7b780e8-0bf9-4d88-86c3-a23a87807513 | Monatomic cations have the same name as their parent element. what happens to monatomic anions? | [
"ends in - fe",
"ends in - de",
"ends in - be",
"ends in - se"
] | ends in - de | sciq |
5d8c30fc-e452-4498-b11b-dcdaa1154c4e | What part of the body do hookworms infest? | [
"skin",
"brain",
"lungs",
"intestines"
] | intestines | sciq |
d1066582-b7c7-49f3-8611-dbf23243f456 | Parasitic leeches feed off of what? | [
"tissue",
"brain",
"tumor",
"blood"
] | blood | sciq |
306d1854-6740-4b63-87a8-22678525b371 | The mars rover collected round clumps of crystals that, on earth, usually form in what? | [
"water",
"rocks",
"volcanoes",
"air"
] | water | sciq |
b67d144a-a33d-43fa-bfcb-1ed249651a74 | Attraction of a material by a magnet is an example of what type of property? | [
"transitive",
"chemical",
"thermal",
"physical"
] | physical | sciq |
e0839809-1571-4d8f-9820-e5581299bd71 | What phenomenon is essential in order for evolution to occur because it increases genetic variation and the potential for individuals to differ? | [
"natural selection",
"radiation",
"replication",
"mutation"
] | mutation | sciq |
7b99b376-d0d8-4b94-a0a0-d76dfdc3debb | The two types of glaciers are continental and what other kind? | [
"micro",
"macro",
"rolling",
"valley"
] | valley | sciq |
09f1b518-a3db-4ec7-8b33-b74365775b57 | In dioecious animals, females generally produce what contribution to reproduction? | [
"eggs",
"intelligence",
"milk",
"warmth"
] | eggs | sciq |
7ab6eff1-2a2a-46bd-b332-4a8a84775815 | The cells of all protists have a what? | [
"nucleus",
"argon",
"cell walls",
"protons"
] | nucleus | sciq |
f17a27cc-9603-4f2e-8710-59fae4d1e79d | What type of organism causes many common diseases such as strep throat and food-borne illnesses? | [
"bacteria",
"parasite",
"prion",
"virus"
] | bacteria | sciq |
4afd6d4e-58cc-46ee-817f-50577b6382c5 | What type of current do generators in cars use? | [
"magnum current",
"polar current",
"alternating current",
"direct current"
] | alternating current | sciq |
d8060bd1-5bd0-47c8-b8a0-9797048ef0ac | What is the movement of plates called? | [
"migration",
"volcanic activity",
"plate tectonics",
"fracking"
] | plate tectonics | sciq |
4e241138-10a8-429e-b7f2-6f5a9beb03ed | Name a carbonyl in which the carbon atom is bonded to one carbon atom and one hydrogen atom (or two hydrogen atoms). | [
"acetylcholine",
"ester",
"ketone",
"aldehyde"
] | aldehyde | sciq |
51f173fb-a2ec-4529-b54a-9b0a5179179a | The color of an object is determined by the what of it's reflected light? | [
"wavelength",
"absorption",
"variation",
"luminosity"
] | wavelength | sciq |
f74ed6b5-4139-4613-bb69-b448b4245f24 | The process in which dna is copied is called what? | [
"dna splicing",
"dna duplication",
"dna replication",
"dna transfer"
] | dna replication | sciq |
c46c17e6-a4f8-43dd-8bfc-e69315ed2638 | What type of seismic waves do the most damage? | [
"gravity",
"surface",
"sunlight",
"tension"
] | surface | sciq |
0b160199-aa24-4e43-9c36-a0634819d290 | Which continent is the only one that reptiles don't inhabit? | [
"Europe",
"Africa",
"South America",
"antartica"
] | antartica | sciq |
60d98c9a-da4a-4431-a768-6454b5ee2610 | What is responsible for the foul smell of rancid butt? | [
"affixed acid",
"butyric acid",
"Fatty Acid",
"ibogaine acid"
] | butyric acid | sciq |
4801b733-76a2-4691-9a4e-6be7002f1538 | The carbon cycle can be thought of in terms of two interdependent cycles - cellular respiration and what else? | [
"glycolysis",
"photosynthesis",
"pollination",
"spermatogenesis"
] | photosynthesis | sciq |
1573a27a-301b-4d2a-9515-63f3086a0896 | What is the term for the green pigment in leaves that captures energy from the sun? | [
"verdye",
"chlorophyll",
"ammonia",
"carbonate"
] | chlorophyll | sciq |
5eb00c68-4bd5-4aca-aa0e-ffae4b22e3d9 | Evolutionary adaptation is evidenced by different shapes of what structures in birds with different food preferences? | [
"Stomach",
"necks",
"beaks",
"claws"
] | beaks | sciq |
95c33c0c-9cd2-4235-b419-d193c398a35a | Amino acids contain both a carboxylic acid group and what other group? | [
"lipid",
"fatty",
"amine",
"compounds"
] | amine | sciq |
dd749ba3-60d1-46be-a316-3c3af604d964 | What is an alloy of both tin and copper? | [
"Aluminium",
"Cobalt",
"bronze",
"silver"
] | bronze | sciq |
74589d0b-4670-4be7-ad80-0c01dd89ec16 | What is the option to remove kidney stones other than surgery? | [
"glandular treatments",
"pump treatments",
"ultrasound treatments",
"skin treatments"
] | ultrasound treatments | sciq |
83ee63dc-6700-41fb-a4c2-c6bb83009b32 | What does a theory need to be supported by? | [
"peer reviewed journals",
"facts",
"many observations",
"scientists"
] | many observations | sciq |
fb24e08f-ba37-466d-834f-918ab4a48e91 | What happens when antibodies are transferred to a person who has never been exposed to the pathogen? | [
"allergic reaction",
"active disease",
"passive immunity",
"acquired immunity"
] | passive immunity | sciq |
73c0e4c1-5923-44c6-9c47-b4825756cb61 | What is the name for electrons closer to the nucleus that do not participate in bonding? | [
"radical electrons",
"odd electrons",
"core electrons",
"surface electrons"
] | core electrons | sciq |
c2e9f490-96a3-467b-a20a-4f37218313bf | Which acid releases nitrates into soil? | [
"lactic",
"uric",
"sulfuric",
"citric"
] | uric | sciq |
b177cdd7-217c-4900-ab9c-90d695050b18 | What instrument made it possible to study pressure quantitatively? | [
"anemometer",
"barometer",
"seismograph",
"thermometer"
] | barometer | sciq |
407a359e-59bf-4627-ab2a-c04f5847f039 | What asymmetrical organ has four chambers and, in humans, is about the size of a clenched fist? | [
"kidney",
"liver",
"brain",
"heart"
] | heart | sciq |
5aecd5d6-ab20-486e-ba03-ee0ce16ab358 | Geiger counters can be used to detect what, in general? | [
"seismic load",
"evaporation",
"radiation",
"convection"
] | radiation | sciq |
302fba49-c134-4b23-9356-f54a91c900d5 | What term is used to describe the energy of matter in motion? | [
"gravitational energy",
"kinetic energy",
"emotional energy",
"frictional energy"
] | kinetic energy | sciq |
e70d0cea-3dd8-47c5-b4d1-42598ec416f4 | What do you call the illness that occurs when harmful bacteria enter the digestive system in food? | [
"food poisoning",
"meat poisoning",
"nutrition poisoning",
"bacteria poisoning"
] | food poisoning | sciq |
8bf1031d-c8ce-4afd-a0a2-1d1694fcc2cc | Herbivores and omnivores have longer alimentary canals compared to what? | [
"arthropods",
"centipedes",
"mammals",
"carnivores"
] | carnivores | sciq |
65cd451e-ed2d-431e-837d-1d6930d578c1 | What do tadpoles turn into? | [
"snakes",
"frogs",
"insects",
"fish"
] | frogs | sciq |
7153dc97-e9d9-4dc5-a214-08dc47641457 | The heat capacity of an object depends on its chemical composition and what other property? | [
"mass",
"volume",
"weight",
"concentrations"
] | mass | sciq |
0444ea12-b4bd-46e8-92ca-dc74e6b99940 | Human skin color is primarily due to the presence of what pigment in the skin? | [
"cytoplasm",
"melanin",
"melatonin",
"tannin"
] | melanin | sciq |
bc459a44-624e-47bb-9c8f-8fb756069c6a | The various sensory organs are part of what organ system? | [
"nervous",
"lymphatic",
"respiratory",
"digestive"
] | nervous | sciq |
ee0ee6b2-639f-44d9-8180-2c375e32aaae | Down syndrome is caused by having three copies of what, a condition known as trisomy? | [
"genome",
"DNA",
"variation",
"chromosome"
] | chromosome | sciq |
65086bd1-0453-4773-9d58-3a1161938f91 | What kind of weathering changes the size of a mineral or rock but does not change its chemical composition? | [
"mechanical weathering",
"radiation",
"molecular weathering",
"chemical reaction"
] | mechanical weathering | sciq |
3eacc1b9-60d5-4a4b-9d41-627cf73a7dac | What do waves do when they are unable to pass through an object? | [
"Roll over.",
"reflect off",
"produce off",
"develop off"
] | reflect off | sciq |
e9e9ed26-e1cd-475a-873d-f21e05010814 | What is used to date older fossils? | [
"search engines",
"litmus testing",
"radioactive isotopes",
"electron microscopes"
] | radioactive isotopes | sciq |
050d5291-48be-403c-9490-0b5405db0f87 | What external feature in human beings is responsible for balance? | [
"brain",
"ears",
"tails",
"hands"
] | ears | sciq |
2e068b16-452a-4a62-a840-a59fa2df7e8f | What branch of science is the study of human origins? | [
"palaeobiology",
"pharmacology",
"paleoanthropology",
"biology"
] | paleoanthropology | sciq |
e34542d6-84ec-40c5-a164-7df491b8177d | Skeletal muscle cells and cardiac muscle cells share what property, which is not shared by smooth muscle cells? | [
"striations",
"filaments",
"overlap",
"surfaces"
] | striations | sciq |
f8d9b2d6-0e50-4533-9a20-9cf82dae9bcf | Latitude affects the amount of what received by an area, which in turn affects the temperature of a region? | [
"geothermal radiation",
"current radiation",
"solar radiation",
"chemical radiation"
] | solar radiation | sciq |
55195a4c-9730-465b-bb50-bc4c2b604d7e | What do you call an abnormal mass formed when cells divide uncontrollably? | [
"layer",
"infection.",
"tumor",
"inflammation"
] | tumor | sciq |
ef698dad-0cf2-46ee-9115-c30f3bf9f871 | What layer is below the lithosphere and in the upper mantle? | [
"hydrosphere",
"asthenosphere",
"troposphere",
"magnetosphere"
] | asthenosphere | sciq |
4ea07e85-3830-4f5e-846b-c40b428f6562 | What are lipopolysaccharide components of the outer membrane of gram-negative bacteria? | [
"hormones",
"reactants",
"endotoxins",
"pathogens"
] | endotoxins | sciq |
ed7ce0df-7e26-4b61-8c9b-9f0fed961f14 | In aquatic communities, the main producers are photosynthetic protists and what? | [
"arthropods",
"eukaryotes",
"crustaceans",
"prokaryotes"
] | prokaryotes | sciq |
0dede0da-dc1a-474a-b7af-88838ce0541b | How does the liquid in a thermometer respond to heat or cold? | [
"disappears",
"expands or contracts",
"rises or vaporizes",
"freezes or boils"
] | expands or contracts | sciq |
485ce951-0148-4f4f-8719-3f66d22c900d | In most fish, where does the embryo develop in relation to the mother's body? | [
"water",
"Eggs",
"inside",
"outside"
] | outside | sciq |
61b79444-2373-4ebd-990c-064de755f4eb | What is the name of the life stage when a child becomes sexually mature? | [
"adulthood",
"maturity",
"puberty",
"adolescence"
] | puberty | sciq |
57e3c472-ff21-4ac4-b5e1-d00242d23556 | Cytokinesis divides what part of the cell into two distinctive cells? | [
"nucleus",
"cytoplasm",
"cell wall",
"DNA"
] | cytoplasm | sciq |
e9a2de16-027a-48d7-8a45-d67d47f42511 | What is it called when a liquid displays more attraction between the liquid particles than attraction between the liquid and the glass? | [
"cohesion",
"stability",
"flexion",
"tension"
] | cohesion | sciq |
01dd1021-e7a4-4224-9b0a-4791df28e2df | In what type of mining must tunnels be blasted into the rock so that miners and equipment can get to the ore? | [
"underground mining",
"gold mining",
"open-pit mining",
"strip mining"
] | underground mining | sciq |
34cc627f-3945-4e30-839f-5cdb6550c77d | What kind of energy is released when the thermochemical reaction of a campfire converts wood to carbon dioxide and water? | [
"ultraviolet",
"heat",
"smoke",
"light"
] | heat | sciq |
1baa1fb4-2c8e-42a6-8bbc-e61132711e33 | Like the mitochondria, chloroplasts have their own dna and ribosomes, but chloroplasts have an entirely different function. chloroplasts are plant cell organelles that carry out what? | [
"growth",
"photosynthesis",
"digestion",
"reproduction"
] | photosynthesis | sciq |
63ff706b-f45d-4ced-9c5f-a7795e46da21 | While normal light microscopes can magnify objects up to about 1,500 times, what advanced instruments can magnify objects up to 1,000,000 times? | [
"electric microscopes",
"magnetic microscopes",
"micro microscopes",
"electron microscopes"
] | electron microscopes | sciq |
2a676e82-723f-4cc0-89fc-5452f3d5f71a | What kind of energy does pyruvate have a lot of? | [
"nuclear",
"gravitational",
"thermal",
"chemical"
] | chemical | sciq |
47edda4d-75ef-4c77-82ad-f6d804a1ffdc | What type of landscape has grasslands with scattered trees, are hot and have extensive dry seasons along with fire? | [
"tundra",
"arctic",
"deserts",
"savannas"
] | savannas | sciq |
9406903a-5f98-4de8-b162-e3bc33b2859e | What may be lost when waves travel through matter, but not when they travel through space? | [
"matter",
"threshold",
"energy",
"frequency"
] | energy | sciq |
37ea49dc-9ad4-4850-af01-5eb73083569c | Where does mechanical digestion begin? | [
"mouth",
"stomach",
"brain",
"intestines"
] | mouth | sciq |
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