id string | question string | choices list | answer_key string | source string |
|---|---|---|---|---|
96c45c5c-a598-43ca-bb27-62a7da7e665a | What are the chemical messengers used to communicate between cells? | [
"membranes",
"peptides",
"hormones",
"neurons"
] | hormones | sciq |
b4677b49-6eb0-48d1-b137-fd329bc9647e | Graphite and diamond both are made from carbon. what makes diamonds so hard? | [
"strong metallic network",
"weak atomic network",
"strong light network",
"strong atomic network"
] | strong atomic network | sciq |
4b4940e4-24a0-4452-95d3-4af9f5f16455 | The paranasal sinuses are hollow, air-filled spaces located within certain bones of the skull. all of the sinuses communicate with the nasal cavity (paranasal = “next to nasal cavity”) and are lined with this? | [
"fluid mucosa",
"oral mucosa",
"respiration mucosa",
"nasal mucosa"
] | nasal mucosa | sciq |
43ff3dc9-d02f-485e-aa1d-5ae5dadb8954 | What determines the strength of a base when dissolved in water? | [
"saline content",
"amount of hydroxide ions produced",
"amount of phosphorus ions produced",
"pH level"
] | amount of hydroxide ions produced | sciq |
841741a8-6c89-4ac4-9777-67243b8aed1d | What is the low level of radiation that occurs naturally in the environment called? | [
"background radiation",
"consequence radiation",
"temperature radiation",
"neon radiation"
] | background radiation | sciq |
eda68727-c0b9-406c-9a61-9fee02a88f2a | Varicella zoster virus causes what two illnesses? | [
"syphilis and lyme",
"german measles and flu",
"chicken pox and shingles",
"flu and shingles"
] | chicken pox and shingles | sciq |
5d4881d2-5145-4739-9125-1eea4c3ee15e | The urethra transports urine from what organ to the outside of the body for disposal? | [
"bladder",
"brain",
"lungs",
"heart"
] | bladder | sciq |
45f90849-3c40-48fa-9d2b-45169d4ea6d1 | Magnetite crystals in lava typically point to what geographic location? | [
"geographic north pole",
"magnetic north pole",
"magnetic south pole",
"the equator"
] | magnetic north pole | sciq |
58dbf63d-750f-4648-ae0c-074bdc224768 | Liquids that mix with water in all proportions are usually polar substances or substances that form these? | [
"silicon bonds",
"hydrogen bonds",
"compressed bonds",
"atmospheric bonds"
] | hydrogen bonds | sciq |
61eeb7cc-2469-44aa-b6dc-b0ada2b6c628 | Lattice energy cannot be measured directly. what is its calculation based on? | [
"measured energy changes",
"chemical reactions",
"change in temperature",
"microscopic inspection"
] | measured energy changes | sciq |
754770aa-3291-42b9-afac-9290135cdeb3 | What process provides over 99% of the energy supply for life on earth? | [
"gases",
"nutrients",
"photosynthesis",
"Carbon"
] | photosynthesis | sciq |
5c910171-626c-429d-bdb6-5f97051aa8f2 | What type of animal are most reptiles in regards to diet? | [
"arthropods",
"herbivores",
"carnivores",
"omnivores"
] | carnivores | sciq |
69b97b7b-3d48-4547-9368-004b06e0e759 | Because of their reactivity, we do not find most representative metals as free elements where? | [
"in nature",
"in the atomospher",
"in water",
"underground"
] | in nature | sciq |
63f60e30-fec1-491d-a77d-32d658eabb61 | Two important concepts, niche and habitat, are associated with what? | [
"water",
"plant",
"ecosystem",
"natural selection"
] | ecosystem | sciq |
547963c2-57bc-41e6-ad5b-d1fb0da22d05 | When does diseases like alzheimer's become more common? | [
"toddler",
"i-40 age",
"teenager",
"old age"
] | old age | sciq |
128dcfc7-4a60-4f72-ae9d-25386cc1e465 | What is a fibrocartilaginous pad that fills the gap between adjacent vertebral bodies? | [
"intervertebral disc",
"unidirectional disc",
"Back Disk",
"subsidence disc"
] | intervertebral disc | sciq |
28c59c02-6b5c-43af-9844-d5e631b235b7 | What organic catalysts work by lowering the activation energy needed to start biochemical reactions? | [
"carbohydrates",
"glucose",
"hormones",
"enzymes"
] | enzymes | sciq |
94a0aa24-6312-42f4-9af7-bf0a4c1d7163 | What structure supports the body, protects internal organs, produces blood cells, and maintains mineral homeostasis? | [
"skeleton",
"skin",
"cuticle",
"fossil"
] | skeleton | sciq |
823858ec-070c-45a6-8d7b-7da8d2f4f420 | When vertebrate animals metabolize ammonia what is the primary byproduct that is produced? | [
"proteins",
"carbon monoxide",
"urea",
"dioxide"
] | urea | sciq |
b2d44a19-af96-4de9-94e0-7460c0bc7ba9 | Which process involves solvent separation on a solid medium? | [
"affinity",
"chromatography",
"substration",
"resonance"
] | chromatography | sciq |
6cc4bcd3-05ec-4018-bed7-e82b027e38c7 | Plasmodesmata and gap junctions are channels between adjacent cells of what respective types? | [
"healthy and sick",
"plant and animal",
"new and old",
"plant and fungus"
] | plant and animal | sciq |
2b1ec900-2bd7-4425-a551-dadf75c9558a | Natural gas burns cleaner and produces less carbon dioxide than fuels of what type? | [
"solar energy",
"biofuels",
"fossil fuels",
"renewable fuels"
] | fossil fuels | sciq |
142a08c2-689c-4c13-abb7-7eae49ad19fd | What are the simplest types of carbon-based compounds? | [
"Microbes",
"hydrocarbons",
"Cells",
"particles"
] | hydrocarbons | sciq |
28b6051a-816c-4ea9-b9d4-edf96d4feee6 | What process moves food through the esophagus no matter which position the body is in? | [
"peristalsis",
"mastication",
"homeostasis",
"proteolysis"
] | peristalsis | sciq |
cfab18ce-98dc-4323-945a-1a0769ce7f65 | The female reproductive organs include the ovaries, fallopian tubes, uterus, and what? | [
"bladder",
"vagina",
"womb",
"intestines"
] | vagina | sciq |
d8f0b900-9ea7-4856-9d2f-c1ca5180a03d | What do offsprings obtain from their parents in what is called, inheritance? | [
"characteristics",
"mutations",
"variations",
"attributes"
] | characteristics | sciq |
9d6af061-5a94-414c-b1ef-39855cd26f00 | Warming up your body before a workout does what to the blood flow? | [
"stops it",
"increases it",
"reduces it",
"minimizes it"
] | increases it | sciq |
d5aca255-a888-4e59-8187-e4c65d93f854 | What is a substance that increases the hydrogen ion concentration of a solution? | [
"acid",
"sulfur",
"carbon",
"base"
] | acid | sciq |
f3a93877-1777-4190-8a2f-4dcec957723d | Scientists ask questions, and then make detailed observations to try to ask more specific questions, in order to develop what? | [
"hypothesis",
"suggests",
"Tests",
"theories"
] | hypothesis | sciq |
6d685087-c4ec-4875-bb6d-33bbcfddaac7 | What is the main difference between prokaryotic or eukaryotic cells ? | [
"the type of metabolic waste",
"the presence of cell walls",
"the presence of a Golgi Apparatus",
"the presence of a nucleus"
] | the presence of a nucleus | sciq |
570257d6-e983-481f-aacc-677ec257920c | Supercontinents have formed at least how many times in earth history? | [
"two",
"five",
"twenty",
"nine"
] | five | sciq |
3a4082ee-babf-4e67-a452-ccde7b017ce4 | How are layers of the atmosphere divided? | [
"air gradients",
"density gradients",
"temperature gradients",
"color gradients"
] | temperature gradients | sciq |
644eb641-5aaf-4ab7-b5cb-0041a9a4a33d | What term is used to describe molecules that contain carbon-nitrogen bonds? | [
"ions",
"nitrites",
"compounds",
"amines"
] | amines | sciq |
6f771738-192f-45c5-8adb-b3aa5474b2ff | Birds have a flow-through respiratory system in which air flows unidirectionally from the posterior sacs into the lungs, then into these? | [
"alveoli",
"posterior bronchi",
"anterior air sacs",
"gills"
] | anterior air sacs | sciq |
e2251e58-8885-4e46-ab4e-435f748ec4cf | What are convection currents that occur far below the surface of the ocean called? | [
"waves",
"subsequent currents",
"deep currents",
"flat currents"
] | deep currents | sciq |
01d718ff-d219-4d64-b5b9-aede558c15ca | Cations are attracted to anions, which are ions with what charge? | [
"positive",
"negative",
"neutral",
"similar"
] | negative | sciq |
7ef4d866-7124-44ec-a811-50668730c1d9 | A non-bony skeleton that forms outside of the body is known as a what? | [
"endoskeleton",
"excitoskeleton",
"exoskeleton",
"exoplate"
] | exoskeleton | sciq |
06562aec-395c-4807-8884-483c019b3b23 | The vagina connects to which internal organ? | [
"ovaries",
"valves",
"uterus",
"artery"
] | uterus | sciq |
2c455e6a-742d-47f1-b795-adffe66bfab8 | What is the measure of electric current? | [
"intensity",
"watts",
"volts",
"ampheres"
] | ampheres | sciq |
c7f894f8-23c4-46e6-86d0-e8e8402ae206 | Name a passageway that is shared with the digestive system. | [
"pharynx",
"larynx",
"esophagus",
"trachea"
] | pharynx | sciq |
3392d7ba-4a1a-4f19-af2b-f29bce7001ed | What substances function as a long-term energy store in the human body and possess long carbon chains that prevent dissolving in water? | [
"hydrocarbons",
"steroids",
"triglycerides",
"nanoparticles"
] | triglycerides | sciq |
fdb14c56-dff4-408f-a1a5-09730b49098c | Coronary arteries ans small in what? | [
"density",
"length",
"diameter",
"height"
] | diameter | sciq |
38a421e0-4de6-40b9-8950-0c068fc9f29d | What occurs when a substance reacts quickly with oxygen? | [
"combustion reaction",
"oxidation",
"catalytic conversion",
"convection"
] | combustion reaction | sciq |
f732f79c-f6b2-4410-85aa-ef9092e081af | What are the two basic types of competition called? | [
"exploitative and beneficial",
"instraspecifc and interspecific",
"weak and strong",
"interference and interaction"
] | instraspecifc and interspecific | sciq |
6cec5a60-9660-474f-8ac3-600213101420 | Algae are much simpler than protozoa. they are aquatic and contain this? | [
"sporozoa",
"chlorophyll",
"testes",
"cloning factor"
] | chlorophyll | sciq |
55213040-f540-4b3f-ae49-a3e31b71fd90 | What is a gram stain used to identify ? | [
"acids or bases",
"radioactivity",
"different types of liquids",
"different types of bacteria"
] | different types of bacteria | sciq |
e26baf00-cdcf-402a-bfd4-56c88ca4f0b3 | Burning gas to run our cars is an example of how human activity is contributing to what global event? | [
"climate change",
"ozone change",
"metamorphic change",
"carbon change"
] | climate change | sciq |
91934414-2680-4883-9268-5df0c1add8e1 | The periodic table of elements is divided into what? | [
"groups",
"patterns",
"squares",
"spheres"
] | squares | sciq |
211d1b81-daaa-4822-9870-18e3ef7e2dd3 | Wave amplitude of a transverse wave is the difference in height between what and the resting position? | [
"a magnitude",
"a crest",
"a valley",
"a cascade"
] | a crest | sciq |
47a3e79a-69be-4274-b109-07c6996424e7 | What is secreted before ejaculation to neutralize acidic urine remaining in the urethra? | [
"clear mucus",
"sperm",
"semen",
"pre-cum"
] | clear mucus | sciq |
aff88f97-10cc-4171-b431-fdffc237f62c | Because conifers carry both male and female sporophylls on the same mature sporophyte, they are considered what type of plant? | [
"dioecious",
"monoecious",
"bioecious",
"siliceous"
] | monoecious | sciq |
acbd672a-256c-4d27-bf99-38338b234d28 | Who lack some of the defining traits of chordates? | [
"Adult Mammals",
"Childern",
"adult humans",
"Reptiles"
] | adult humans | sciq |
8ecf026f-950e-4a42-94ef-e19bccc8bca1 | What does convection within the earth's mantel cause? | [
"hurricanes",
"plates to move",
"microorganisms to move",
"volcanos"
] | plates to move | sciq |
9d66adfb-5522-4ca8-8b96-d02cd2650386 | Autoimmunity can develop with time, and its causes may be rooted in this? | [
"spontaneous mutation",
"molecular mimicry",
"resistance",
"inheritance"
] | molecular mimicry | sciq |
467aa579-f1c2-4a18-9004-d90db9ca3e3b | Why does warm air rise higher in the troposphere? | [
"It contains hydrogen",
"it is more dense than cool air",
"it is less dense than cool air",
"it is less flourishing than cool air"
] | it is less dense than cool air | sciq |
f57b129d-a202-4e3e-92d0-0778562d462e | Getting the same result when an experiment is repeated is called what? | [
"repetition",
"initiation",
"replication",
"mutation"
] | replication | sciq |
cb3b0aa1-8653-479e-a2e0-788e52b52b91 | Some membranes have what kind of surfaces exposed to the cytoplasm? | [
"hydrophobic",
"obstructionary",
"bilayer",
"outer"
] | hydrophobic | sciq |
b2b11632-0ad8-4294-84e8-48ec013d10a6 | Plants and fungi cells have what basic cell structure, which animals do not have? | [
"Cell Membrane",
"Cytoskeleton",
"cell wall",
"Lysosomes"
] | cell wall | sciq |
e719f12f-9ad4-4706-9f45-be46798c58d4 | The way in which the sun produces light is called what? | [
"rays",
"tumescence",
"photosynthesis",
"incandescence"
] | incandescence | sciq |
525fcff9-8aca-4c8d-b31d-0ae9f58c24fd | What kind of light bulb contains a thin wire filament made of tungsten that gets hot and glows? | [
"incandescent",
"LED",
"fluorescent",
"black light"
] | incandescent | sciq |
eefe83bf-6bc6-41d6-8a6b-2cc5f268e43c | What do you call a mixture in which some particles settle out of it when it is left standing? | [
"emulsion",
"alloy",
"suspension",
"homogenous"
] | suspension | sciq |
be3ad9c3-0da8-4edc-bc77-a2edbdcc444b | What do you call the process of a solid becoming a liquid? | [
"boiling",
"melting",
"vaporizing",
"freezing"
] | melting | sciq |
826e95b0-e753-41f1-8b4c-9126e0120e73 | Once a plant cell becomes specialized, what can they no longer do? | [
"osmosis",
"divide",
"photosynthesis",
"cellular respiration"
] | divide | sciq |
9e74edda-5e8d-43a5-9594-0b7dcbc67b36 | The hardest natural substance, diamond is a form of what element? | [
"zenon",
"hydrogen",
"carbon",
"zirconium"
] | carbon | sciq |
f0fd3e55-76d6-4524-a10c-72ce4b1c3597 | Much of what type of radiation that strikes the planet is reflected back into space? | [
"magentic radiation",
"microwaves",
"solar radiation",
"gamma rays"
] | solar radiation | sciq |
be699eb5-f44f-4207-aa9b-0f291405d18f | What particles are formed from a neutron in beta decay? | [
"rust and proton",
"mucus and a proton",
"atom and proton",
"electron and a proton"
] | electron and a proton | sciq |
d9c124bf-d095-4aa2-ab59-e9a9274433cd | What class of acids do carboxylic acids fall under? | [
"inorganic acids",
"organic acids",
"hydrochloric acids",
"carbolic acids"
] | organic acids | sciq |
ded35510-5d29-43e0-bb55-f9f632363cd6 | Plants can absorb inorganic nutrients and water through their root system, and what gas from the environment? | [
"carbon dioxide",
"nitrogen dioxide",
"hydrogen dioxide",
"chemical dioxide"
] | carbon dioxide | sciq |
6600613d-c237-4872-a5e6-eabf892255c4 | Giardia is an example of a protozoa that uses flagella for what purpose? | [
"nutrients",
"light",
"reproduction",
"movement"
] | movement | sciq |
f03c4c77-dfd7-42a3-907d-7dd0228e231f | Nearly all earthquakes occur where? | [
"in Asia",
"plate centers",
"plate boundaries",
"in large cities"
] | plate boundaries | sciq |
c247bbb9-a74c-458f-a587-58e1aa758e30 | Conotoxins released by certain marine snails can bring about paralysis in humans, indicating that this toxin attacks what system? | [
"cardiovascular",
"cerebral",
"circulatory",
"neurological"
] | neurological | sciq |
ed20a36c-dea5-473f-8ef6-a55ec8e8a6d9 | What is the second largest planet in the solar system? | [
"Mars",
"jupiter",
"Venus",
"saturn"
] | saturn | sciq |
3bd02f8c-808d-4ae1-8288-ce4a3cdc70c4 | Fruit comes from the ovaries of what types of plants? | [
"flowering",
"sprouting",
"perennial",
"deciduous"
] | flowering | sciq |
8639ae60-3d73-40dc-8843-4b02d711b8e5 | Resistors connected end to end are said to be in what? | [
"groups",
"parallel",
"series",
"lines"
] | series | sciq |
ad5c15dd-bddf-43da-8b24-3013c04cb18a | Molar mass is equal to density multiplied by what? | [
"molar volume",
"molar gravity",
"molar energy",
"molar weight"
] | molar volume | sciq |
141c770d-7d59-478f-a1bc-ca7d7b8ca4f1 | What effect causes global winds to blow on a diagonal over the earth's surface? | [
"resonant effect",
"dopler effect",
"coriolis effect",
"centrifugal effect"
] | coriolis effect | sciq |
a0831cc6-bf80-4e8e-9602-e5d75c2a8acc | When members of the same species compete for the same resources, it is called what? | [
"natural selection",
"interspecies competition",
"extinction",
"intraspecific competition"
] | intraspecific competition | sciq |
f91a622c-6d65-4701-8a30-129e271766e0 | Antibiotics only target prokaryotic cells - they do not affect fungi, which are not prokaryotic, but instead what? | [
"chloroplasts",
"mammals",
"eukaryotic",
"plants"
] | eukaryotic | sciq |
3c62d002-721b-46d3-8393-87bec2898942 | What do bees carry from one plant to another to facilitate plant growth and development? | [
"nutrients",
"pollen",
"spores",
"fungi"
] | pollen | sciq |
25fcdd07-0a0c-40b4-9d6d-852b5c2909f2 | Why is the drift velocity negligible? | [
"less free charges",
"shows free charges",
"many free charges",
"need free charges"
] | many free charges | sciq |
98974bf6-f14b-4dac-b715-74f284917c38 | Instruments that measure the angle of the slope of a volcano are called what? | [
"aberration meters",
"tilt meters",
"angle meters",
"velocity meters"
] | tilt meters | sciq |
eae425e2-3638-480c-8408-e865e0f4a5cb | What is the term for preserved remains or traces of organisms that lived in the past? | [
"remains",
"fossils",
"deposits",
"bones"
] | fossils | sciq |
6174890c-780a-4523-92bb-e3f7ef071d6a | Birds flying thousands of miles south in the winter, then returning to their homes in spring, is a familiar example of what? | [
"emigration",
"migration",
"hibernation",
"evacuation"
] | migration | sciq |
70d2ad7f-b95a-49fd-871d-124924851946 | The hydration of what is what makes many alcohols? | [
"alkenes",
"enzymes",
"lipids",
"malts"
] | alkenes | sciq |
5b31cb47-a66e-49fc-9f4b-119d992e449e | What causes oxides to decompose? | [
"humidity",
"heat",
"acidity",
"precipitation"
] | heat | sciq |
16eaf042-da42-4328-a36f-f8628e6b6fc3 | With codominance, both alleles are expressed equally in what? | [
"homozygotes",
"heterozygotes",
"gametes",
"prokaryotes"
] | heterozygotes | sciq |
6bd68720-40df-44eb-a9e9-b45fdbeb543e | When hit from behind in a car crash, a passenger can suffer a neck injury called what? | [
"twisted neck",
"necklash",
"whiplash",
"inflammation"
] | whiplash | sciq |
a84dace4-33b2-4ea1-8a42-dd48de3cf23e | When a species always migrates, what is this type of migration called? | [
"emigration",
"mass migration",
"genus migration",
"obligate migration"
] | obligate migration | sciq |
2e158036-7e9e-48a6-85c8-67a6c2aab29a | How are valuable metabolites recovered? | [
"osmosis",
"metabolism",
"replication reaction",
"reabsorption"
] | reabsorption | sciq |
9d1c0e48-5a6d-4268-be54-3bea31898b0c | Structures that have lost their use through evolution are called _______ | [
"vestigial structures",
"symbiotic structures",
"residual structures",
"primordial structures"
] | vestigial structures | sciq |
9cf87f47-86c5-477a-85f2-c7c74a06c622 | What does continental crust grade into at continental margins? | [
"ocean floor",
"remnants crust",
"oceanic crust",
"storm crust"
] | oceanic crust | sciq |
3ecda17a-a673-4cb6-91fe-8fac2e105b96 | What body system consists of organs that break down food, absorb nutrients, and eliminate waste? | [
"digestive system",
"lymphatic system",
"skeletal system",
"hormonal system"
] | digestive system | sciq |
0c8c6208-c63b-4301-b9b7-5498fa02ddc1 | Some samples of matter appear to have properties of solids, liquids, and/or gases at the same time. this can occur when the sample is composed of many what? | [
"few pieces",
"turn pieces",
"large pieces",
"small pieces"
] | small pieces | sciq |
0b7f78ed-028e-40be-83fc-2680ee1a022c | Stimuli in the brain, stomach, and small intestine activate or inhibit production of what secretion? | [
"gastric juice",
"sweat",
"metabolic juice",
"digestive juice"
] | gastric juice | sciq |
92433393-fec3-40ef-891b-84461f66db0c | What is the term for a symbiotic relationship in which one species benefits while the other species is not affected? | [
"parasitism",
"commensalism",
"mutualism",
"pollenation"
] | commensalism | sciq |
fa93b24f-ccdc-4799-9c91-dd276f22338c | What does the a1c test measure over the past two to three months? | [
"blood-glucose levels",
"cholesterol levels",
"RBC levels",
"albumin levels"
] | blood-glucose levels | sciq |
254c881c-34a5-495f-8150-d7647e025597 | What is the term for liquid waste formed by kidneys? | [
"blood",
"feces",
"sperm",
"urine"
] | urine | sciq |
ef400043-15eb-40dc-a886-07f78397f122 | Why does metal conduct heat and electricity so well? | [
"insulation",
"free flowing photons",
"free flowing electrons",
"electromagnetism"
] | free flowing electrons | sciq |
53cc34c0-5587-4ab4-804a-af944b052c62 | Liverworts are small plants that grow close to what? | [
"houses",
"ground",
"tree tops",
"beaches"
] | ground | sciq |
ec0c869e-a995-4f0d-a9b1-93a3bf5023ce | What do atoms make by rearranging their chemical bonds in a reactant? | [
"solutions",
"products",
"compounds",
"minerals"
] | products | sciq |
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