id string | question string | choices list | answer_key string | source string |
|---|---|---|---|---|
e7051130-78f8-4201-b035-bbaef971786d | In the cardiovascular system, where is the ultimate destination of the oxygen-poor blood? | [
"lung",
"liver",
"brain",
"heart"
] | heart | sciq |
ff3ad30a-1117-442d-82db-7f1fe07fdc6a | What is the study of the energy transformations that occur in a collection of matter? | [
"kinetics",
"fluctuations",
"geophysics",
"thermodynamics"
] | thermodynamics | sciq |
1d71464a-d7de-4404-a1b1-75e1526f93c0 | Love canal was an infamous example of what type of pollution? | [
"Visual Pollution",
"industrial waste dumping",
"Land Pollution",
"thermal pollution"
] | industrial waste dumping | sciq |
5dce9800-0cd8-454c-8bd8-8e91aa7cb31d | What is a funnel-shaped cloud of whirling high winds known as? | [
"tornado",
"hurricane",
"tsunami",
"volcano"
] | tornado | sciq |
993be97d-f25b-437c-8dc4-e9e3b147d8de | Why do birds need a light-weight body? | [
"water flotation",
"to stay aloft",
"for cooling",
"food shortages"
] | to stay aloft | sciq |
5eab822b-99a0-4dbe-84b5-8cc5457e7828 | Asthma, pneumonia, and emphysema are diseases of what system? | [
"pulmonary",
"digestive",
"respiratory",
"reproductive"
] | respiratory | sciq |
a024be1b-85fe-4cc6-b910-fd5a3a9bed78 | The “knee-jerk" motion that people involuntarily perform after being struck in the knee in a certain way is an example of what kind of behavior? | [
"sensor",
"spasm",
"reaction",
"reflex"
] | reflex | sciq |
901d67c5-1249-4bf5-8411-e127d73dc644 | What are tiny, hair like projections? | [
"cilia",
"spinicles",
"actin",
"fuzz"
] | cilia | sciq |
40d5ca8c-54b1-4b1c-93cb-3769907200a0 | How long does it take for the earth to make a complete rotation of its axis? | [
"24.25 hours",
"one year",
"one month",
"24 hours"
] | 24 hours | sciq |
16cbb0f9-8a9d-4a51-9b31-ef414ae4f9dc | Glaciers have been melting since what period? | [
"stone age",
"pleistocene ice age",
"industrial age",
"bronze age"
] | pleistocene ice age | sciq |
a56fbc8a-b7f0-4840-96a7-4687ae8ba4d2 | The transmission electron micrograph shows the cell walls where two cells do what? | [
"reproduce",
"split apart",
"come together",
"disappear"
] | come together | sciq |
e57d3754-8aac-430d-ad2f-6e29292df076 | What form does water take on the planet mars? | [
"liquid",
"plasma",
"ice",
"gas"
] | ice | sciq |
97e7718a-e89d-472b-b103-d57d94404b89 | The simplest system is that of contractile vacuoles present in what? | [
"microorganisms",
"parasites",
"macroorganisms",
"crystals"
] | microorganisms | sciq |
46c6164e-11c5-4578-a59c-669e1a563ae9 | Water's very polar compound causes most solutes to do what? | [
"dissolve",
"combine",
"gel",
"repel"
] | dissolve | sciq |
101e79f9-aa41-4ca7-920c-126a179ee544 | Which plant group has vascular tissue, seeds, and flowers? | [
"fungi",
"microbes",
"spores",
"angiosperms"
] | angiosperms | sciq |
1cb358c3-4fa5-4b0e-b60e-eb00602ba398 | The point in front of a mirror where the reflected rays intersect is known as what? | [
"reflective point",
"focal point",
"periodic point",
"boundary point"
] | focal point | sciq |
4bd7ccac-ec2a-4d57-8d45-6e722558125f | Any unused energy in food, whether it comes from carbohydrates, proteins, or lipids, is stored in the body where? | [
"fat",
"kidneys",
"spleen",
"bones"
] | fat | sciq |
e5ca6be3-45c9-489a-a7cb-c7ae6aabe295 | What helps determine the concentration of a species in a solution? | [
"quantitative analysis",
"technical analysis",
"fundamental analysis",
"qualitative analysis"
] | quantitative analysis | sciq |
7f3fb2f4-5a43-4398-b5be-e67fc2be14be | In order to survive and maintain what state, an organism must quickly adapt to changing environmental conditions? | [
"ketosis",
"acclimatization",
"regulation",
"homeostasis"
] | homeostasis | sciq |
4bc5b4a4-5a83-4eed-ba65-b203376844ed | What crust is thinner and denser than continental crust? | [
"asteroid",
"coastal",
"land",
"oceanic"
] | oceanic | sciq |
8226d29c-c539-4e11-942b-1a4c542b5b7a | What are the antibodies an animal produces after exposure to a microbial antigen? | [
"polyclonal",
"isolated",
"monoclonal",
"chimeric"
] | polyclonal | sciq |
18a5e6f2-efe6-41bf-9d40-b42b46d2dd72 | How does heat travel from the sun to the earth? | [
"through light waves",
"through sound waves",
"thermal radiation from the sun",
"secondary radiation from the sun"
] | thermal radiation from the sun | sciq |
ef2b57a1-225a-432f-a06d-33b2426cc333 | What were the first life forms found on earth similar to? | [
"bacteria",
"ferns",
"viruses",
"mold"
] | bacteria | sciq |
8ca530ba-dc2d-41a2-b10e-2f7cf1245fd1 | Steel, bronze, and brass are examples of what? | [
"chemicals",
"alloys",
"oxides",
"compounds"
] | alloys | sciq |
792a743b-bf76-4762-be8d-d4c4c0a10d08 | A pacemaker uses electrical shocks to stimulate the what to beat properly? | [
"liver",
"pancreas",
"brain",
"heart"
] | heart | sciq |
b1868369-25ed-45b1-ac65-b99b4ccf89ad | What is the cloud of brown dust-like power that escapes when a puffball fungus is touched? | [
"ions",
"pollon",
"spores",
"seeds"
] | spores | sciq |
2a59a4bd-1c92-497b-8e3e-e0e69784a70b | What are the cone-like structures that contain sporangia called? | [
"gametes",
"medulla",
"strobili",
"contrail"
] | strobili | sciq |
08357212-1a3c-4e9b-9b48-71b8ba31e3ba | What are considered to be the smallest particles of matter? | [
"cells",
"ions",
"atoms",
"molecules"
] | atoms | sciq |
d55fd04a-f732-463c-be26-5c411b88ec8d | The mechanics of dynein-based bending involve a process that resembles what? | [
"walking",
"standing",
"jumping",
"running"
] | walking | sciq |
2c0b368b-6321-427b-9eb7-a4cb21308880 | What type of creature is a scallop? | [
"algae",
"mollusk",
"vertabrate",
"insect"
] | mollusk | sciq |
b0a698d2-51ef-4f25-8468-1d81509f4d8e | The risk of what is raised by overexposure to the sun? | [
"skin cancer",
"brain cancer",
"particle cancer",
"flux cancer"
] | skin cancer | sciq |
5c523e52-ca29-4094-8f04-eff0a338a90c | Which artery enters the cranium through the carotid canal in the temporal bone? | [
"internal carotid artery",
"external carotid",
"atrial artery",
"venal artery"
] | internal carotid artery | sciq |
1d596a5e-7dda-49fb-ae5f-c4871d12581c | How are aquatic biomes often classified? | [
"amount of salt",
"amount of life",
"amount of light",
"depth"
] | amount of salt | sciq |
558bed85-8f29-44fd-ba56-32db9bf876e1 | What is the most abundant type of biological entity on the earth? | [
"bacteria",
"viruses",
"insects",
"reptiles"
] | viruses | sciq |
65838d91-c0c4-4040-b127-6ef8dd07526d | What is the most diverse and abundant group of organisms on earth, numbering in the millions of trillions? | [
"bacteria",
"viruses",
"pests",
"pathogens"
] | bacteria | sciq |
876e97f2-65a3-4fe7-ae4a-2b41e92be486 | What kind of hormones are secreted by organs classified as gonads? | [
"growth hormones",
"sex hormones",
"anterior hormones",
"cortisol hormones"
] | sex hormones | sciq |
c7d0b1d9-5ecf-409b-9283-14accc966ac8 | An oxy-acetylene torch is an effective way to cut what? | [
"wood",
"coal",
"metal",
"plastic"
] | metal | sciq |
3ad646f3-c76b-4073-9257-7cc52aa35c6b | What are the infoldings of the inner membrane called? | [
"brickle",
"cristae",
"lineage",
"ceranae"
] | cristae | sciq |
f8f41806-4ad2-48dd-aee5-57d32a4d8963 | A channel protein is an example of what type of protein? | [
"hemoglobin protein",
"choice proteins",
"component proteins",
"transport proteins"
] | transport proteins | sciq |
a046c01e-1b25-46f2-a26a-30b291559bc3 | Eight of the hottest years on record have occurred since what year? | [
"1997",
"1991",
"1998",
"2002"
] | 1998 | sciq |
11fe5ccb-cf5b-45f4-b147-90351253bbba | Average acceleration is the rate of change of what? | [
"velocity",
"speed",
"direction",
"displacement"
] | velocity | sciq |
cd2501ea-3086-4d3b-a95d-be87e70ead47 | What is studied to understand gene expression patterns in cells? | [
"mutations",
"dna",
"rna",
"protein"
] | rna | sciq |
0a5cec67-f458-4288-af00-2435cdcb5b92 | Ribosomes are produced in the nucleolus, and then transported to the what? | [
"cerebellum",
"cytoplasm",
"cytoskeleton",
"nucleus"
] | cytoplasm | sciq |
50ecb46a-a738-4f11-ac2e-a44623f6ee8e | Ecosystem dynamics include more than the flow of energy and recycling of matter. ecosystems are also dynamic because they? | [
"never move",
"stay the same",
"recreate exactly alike",
"change through time"
] | change through time | sciq |
6de51bee-d0fc-464b-9454-8225117003fb | Muscle contraction requires repeated cycles of binding and what? | [
"release",
"twisting",
"push",
"lunging"
] | release | sciq |
8c226d2e-ac93-44c0-a90f-f3ad0a1257f2 | An important chemical compound, which supplies living things with the energy they need to survive, is composed of carbon, oxygen and atoms of what other element? | [
"magnesium",
"hydrogen",
"calcium",
"nitrogen"
] | hydrogen | sciq |
63fa1f82-7a4a-4493-86a5-4546dbb2b852 | What are the glands that secrete milk in a woman's breasts? | [
"lactic acids",
"pituitary glands",
"primordial glands",
"mammary glands"
] | mammary glands | sciq |
56dc4085-2380-47c9-8e82-37dbf8df3d3c | Like a thick cap covering the brain, the dura mater is a tough outer covering. the name comes from the latin for? | [
"difficult mother",
"protecting mother",
"back mother",
"tough mother"
] | tough mother | sciq |
14eeca60-2c0b-4c67-bf72-2b801bc18a8c | Which organisms get their energy source and carbon source from organic sources? | [
"chemoheterotrophs",
"ectomorphs",
"herbivores",
"sporozoans"
] | chemoheterotrophs | sciq |
e8817fba-a028-4161-ae09-a97f6dc679c5 | What natural disaster is california most linked with? | [
"volcanoes",
"fires",
"earthquakes",
"hurricanes"
] | earthquakes | sciq |
c83806aa-1d5f-4f7b-b943-f7f2288a5fc2 | Small crustaceans exchange gases across thin areas of the cuticle; larger species have what to accomplish this? | [
"lungs",
"noses",
"pores",
"gills"
] | gills | sciq |
1c1750b6-0c23-47d3-b5f9-076b96582d5b | The superior vena cava and the inferior vena cava are veins that return blood lacking what to the heart? | [
"carbon dioxide",
"hemoglobin",
"oxygen",
"nitrogen"
] | oxygen | sciq |
2813b28a-5118-47bc-b6b4-23e32c96f0f3 | There are only four possible bases that make up each dna nucleotide: adenine, guanine, thymine, and? | [
"taurine",
"cytosine",
"phenylalanine",
"guarine"
] | cytosine | sciq |
5db56109-a4cd-4dec-a51d-772d8c4f2fc0 | What affects the boiling point of water? | [
"heat source",
"latter pressure",
"internal pressure",
"external pressure"
] | external pressure | sciq |
e7d71a47-d3a1-4f89-8197-ea5243195548 | The average length of a woman’s menstrual cycle is what? | [
"5 days",
"16 days",
"19 days",
"28 days"
] | 28 days | sciq |
db0e9cfa-b4d9-480d-94c4-3ac32e680ac4 | Water leaves ponds and lakes through evaporation and also as what? | [
"influx",
"mid flow",
"inflow",
"outflow"
] | outflow | sciq |
f8eb06f9-05c8-4c8f-9d0c-12c52eff1ec2 | What is a biochemical compound that is a chain of amino acids called? | [
"lipids",
"proteins",
"hormones",
"DNA"
] | proteins | sciq |
671dc40c-de9a-4293-9ba6-6c0b44e5e4aa | Each what is made of two identical sister chromatids? | [
"genome",
"gene",
"helix",
"chromosome"
] | chromosome | sciq |
84f3dc8b-c744-4bae-b329-62b310341d2a | Amino groups are found within amino acids, nicknamed the building blocks of what? | [
"lipids",
"proteins",
"carbohydrates",
"protons"
] | proteins | sciq |
b6c0dfde-25f1-4ad4-9ee8-4a49af91717c | What is the name of earth’s only natural satellite? | [
"moon",
"titan",
"sun",
"venus"
] | moon | sciq |
a91d5f50-ef09-495c-8d96-332c218e2bb3 | Which is the lightest of the widely used structural metals? | [
"potassium",
"magnesium",
"Metal",
"calcium"
] | magnesium | sciq |
aa50c54a-f208-476a-b0d5-afc18827ed0c | When lava flows over a large area and cools, it creates a large, flat surface of what type of rock? | [
"sedimentary",
"metamorphic",
"igneous",
"tidal"
] | igneous | sciq |
4f726b7d-2e90-413a-8eb9-92a134219f28 | Examples of what process are evident in many biological systems because cells are surrounded by semipermeable membranes? | [
"osmosis",
"photosynthesis",
"apoptosis",
"reproduction"
] | osmosis | sciq |
f652c57a-1e7c-4bfc-9f2c-79a69a1d86dc | What does cartilage lack compared to bones, making it softer and less rigid? | [
"magnesium",
"potassium",
"protein",
"calcium"
] | calcium | sciq |
da9dfcdb-da21-4864-8f2a-05fc6617fd70 | What three forms does frozen precipitation take? | [
"snow, sleet, freezing rain",
"vapor, fog, ice",
"blizzard, frost, fog",
"hail, wind, typhoon"
] | snow, sleet, freezing rain | sciq |
19ab23e5-1c51-4c20-a83e-64ac5b79bf23 | What is a stream of moving water that flows through the ocean? | [
"tidal wave",
"current",
"creek",
"waterfall"
] | current | sciq |
84dc7b67-c6a1-4b12-b909-d1916f4007d4 | The elbow is an example of a what type of joint? | [
"hinge joint",
"toe joint",
"frame joint",
"pipe joint"
] | hinge joint | sciq |
fd96acfc-1bbd-4888-9a2d-315ae1634c8c | The first leaves of most ferns appear curled up into what? | [
"volatiles",
"petals",
"nanotubes",
"fiddleheads"
] | fiddleheads | sciq |
feb8e844-b254-4839-a288-6836197fbae2 | Electrophiles have a strong tendency to react with what? | [
"acids",
"resistors",
"nucleophiles",
"neutrons"
] | nucleophiles | sciq |
f5b0d9a4-5459-4bef-bda7-19c8b8500c0c | What layered form of carbon is used as a lubricant and in pencils? | [
"copper",
"lead",
"carbonite",
"graphite"
] | graphite | sciq |
9597e2d7-441b-4a1b-94e0-a0bfa0036348 | What kind of solids have particles that are arranged in a regular repeating pattern? | [
"metabolic solids",
"carbon-based solids",
"salts",
"crystalline solids"
] | crystalline solids | sciq |
763a471f-cb9a-4772-ab95-ddd0a7e79a7d | During what in the small intestine do rings of smooth muscle repeatedly contract and then relax? | [
"compression",
"mitosis",
"contraction",
"segmentation"
] | segmentation | sciq |
7c0e21ce-85fb-4fda-93b2-0d0f1c2bf32a | Acetyl-coa is formed from the breakdown of carbohydrates, lipids, and what else? | [
"acids",
"proteins",
"hormones",
"hydrocarbons"
] | proteins | sciq |
e8599c14-23c4-4be8-9588-065922841d4a | Juvenile hormone modulates the activity of what? | [
"growth",
"estrogen",
"reproduction",
"ecdysteroid"
] | ecdysteroid | sciq |
8be86be5-b7ff-49cd-9f76-9bd4fb28125f | What causes the red color of laterite soils? | [
"toxins",
"oxygen",
"iron oxides",
"erosion"
] | iron oxides | sciq |
c7f211ee-d011-4d50-85c8-4907d30b03a9 | The scientific process of collecting data outside the lab (in the "wild") is known as what kind of work? | [
"field work",
"track work",
"scientific investigation",
"experimentation"
] | field work | sciq |
f0bbc5df-f086-4f2f-ae71-f1daccfd9859 | Red blood cells, white blood cells, platelets, and plasma are all components of what fluid? | [
"heart",
"brain",
"Vessals",
"blood"
] | blood | sciq |
b72c6262-a023-4daf-af3b-444f5b70ad8d | Who created the idea of an evolutionary tree to represent the relationships between different species and their common ancestors? | [
"Isaac Newton",
"Scopes",
"Carl Sagan",
"charles darwin"
] | charles darwin | sciq |
a611bf19-fc13-4054-8ee0-8a612cf70a83 | What organs absorb water and nutrients from the soil? | [
"roots",
"leaves",
"buds",
"flowers"
] | roots | sciq |
3af4f1a7-2a60-494e-a516-76dc66b33bd6 | What does magma that cools underground form? | [
"chambers",
"fluctuations",
"new crust",
"instrusions"
] | instrusions | sciq |
5372b9fd-b81a-4680-89b8-e04f68fb7eb8 | Which season is moist, causing the most thunderstorms? | [
"winter",
"autumn",
"spring",
"summer"
] | summer | sciq |
a694ec54-a9d3-4735-ba50-ab31f019e016 | What are the two hormones primarily responsible for maintaining homeostasis of blood glucose levels? | [
"insulin and estrogen",
"anabolic and metabolic",
"dopamine and melanin",
"insulin and glucagon"
] | insulin and glucagon | sciq |
764d93af-dbe3-47a9-867a-a4fdd81af14f | What important process takes place in specialized tissue inside plant leaves? | [
"photosynthesis",
"mitosis",
"reproduction",
"pollination"
] | photosynthesis | sciq |
4c311142-4dc3-451d-869f-76cdaa7ca84e | What type of plants were the first to evolve? | [
"cocklebur",
"vascular",
"nonvascular",
"kilocalorie"
] | nonvascular | sciq |
fbde4254-67f2-4750-8206-5f19994e9598 | In multicellular organisms, specialized cells may be organized into what, which in turn may be organized into organs? | [
"nutrients",
"blood cells",
"tissues",
"muscles"
] | tissues | sciq |
1c8cd1ba-163a-475e-bc23-5141944032c7 | What are accessory digestive organs critical for breaking down? | [
"food",
"hormones",
"enzymes",
"pathogens"
] | food | sciq |
f59587d2-7f38-4388-911a-ce9eeb38005d | The direction of prevailing winds determines the type of what that usually moves over an area? | [
"air mass",
"storm",
"weather",
"water mass"
] | air mass | sciq |
a72fd279-ec0d-4110-aab1-ba07f859844f | As blood glucose levels rise what is released from the pancreas? | [
"estrogen",
"adrenaline",
"hemoglobin",
"insulin"
] | insulin | sciq |
98febe95-4b98-42a2-8b60-281b85b7e49b | Hydrocarbons are combined with oxygen in a series of enzymatic steps to product water, carbon dioxide, and energy, which is stored in the form of what? | [
"energy",
"reactive molecules",
"dormant molecules",
"light"
] | reactive molecules | sciq |
b050e610-45de-470e-b24d-260fadb56867 | The validity of thought experiments, of course, is determined by this? | [
"theoretical observation",
"hypothetical observation",
"actual observation",
"predictive observation"
] | actual observation | sciq |
04c2d902-ae89-4c0f-8845-f6134a33874f | What do you call a close relationship between two species that benefits both? | [
"parasitic relationship",
"commensalism",
"symbiotic relationship",
"primordial relationship"
] | symbiotic relationship | sciq |
f469ece1-3c82-4527-8739-68bb4995c071 | Generators convert mechanical energy to which kind? | [
"electrical",
"static",
"kinetic",
"radiation"
] | electrical | sciq |
c8139803-9621-4cb4-b0d4-dfec79841efd | What is common in two eukaryotic proteins? | [
"cells",
"translation",
"one domain",
"DNA"
] | one domain | sciq |
d727065e-9446-4b7b-a56a-580eec8a2c35 | What do you call egg-shaped galaxies, which are reddish to yellowish in color because they contain mostly old stars? | [
"irregular galaxies",
"elliptical galaxies",
"conical galaxies",
"spiral galaxies"
] | elliptical galaxies | sciq |
55c65719-73ef-4270-a5f0-c63354851fff | When it was found that, without the force of gravity exerting pressure on the bones, bone mass was lost in astronauts, what kind of exercise provided an antidote? | [
"aerobic",
"sedentary",
"anaerobic",
"resistive"
] | resistive | sciq |
0103c8e9-121e-4459-950d-5a474d39830e | What can occur during periods of heavy rain? | [
"floods",
"glaciers",
"earthquakes",
"volcanoes"
] | floods | sciq |
fc0d663c-026d-401b-9db0-380f7397bfea | What type of energy can be used to change the position or shape of an object, thus giving it potential energy? | [
"kinetic energy",
"harmonic energy",
"static energy",
"binary energy"
] | kinetic energy | sciq |
efb72d68-3735-438b-b166-2881051f0b32 | What equals the output power divided by the input power? | [
"efficiency",
"potential",
"inertia",
"output"
] | efficiency | sciq |
f9fc3be8-f79e-478b-8281-3236652e8497 | Overpopulation takes place when the number of organisms in an area exceeds what? | [
"carrying capacity",
"consumers",
"biome size",
"predators"
] | carrying capacity | sciq |
9acd4c0e-50d4-45b7-8b8e-62795cd83b01 | There are six fundamentally different kinds of nuclear decay reactions, and each releases a different kind of particle or what? | [
"mass",
"mineral",
"energy",
"protein"
] | energy | sciq |
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