id string | question string | choices list | answer_key string | source string |
|---|---|---|---|---|
f0321fc1-111a-45ec-be30-f69f9d1fc7ac | Maintaining a balance inside the body or cells of organisms is known as? | [
"consciousness",
"ketosis",
"equanimity",
"homeostasis"
] | homeostasis | sciq |
91a0f65b-d3e9-4a2c-a749-5cd0a2655db3 | The ability to what is affected by the velocity, or speed, of the water? | [
"impede",
"hinder",
"construct",
"erode"
] | erode | sciq |
a7d95e5a-bfe8-4e6a-9c17-95a935ade6e2 | What is the process of isolating a specific gene and then making a copy of it for use in gene therapy? | [
"gene copying",
"gene treatment",
"attribute cloning",
"gene cloning"
] | gene cloning | sciq |
ebf24b3d-2251-4e74-b263-014e6db32583 | The epochs of the universe are known back to very shortly after what 'explosive' event? | [
"big bang",
"major bang",
"Explosive bang",
"Biggest bang"
] | big bang | sciq |
4c2dbd40-7f82-46fb-85c4-1e5fd0191d51 | What is the term for a change in an object’s motion, which occurs whenever an object is acted upon by an unbalanced force? | [
"acceleration",
"rotation",
"inclination",
"compression"
] | acceleration | sciq |
d0fe996c-0b4e-49b5-b9df-ffa71e90f50d | All metabolic functions carried out by a prokaryote take place in the plasma membrane or where else? | [
"mitochondrial",
"extracellular",
"cytosol",
"Shell"
] | cytosol | sciq |
6c544d5a-5c04-45e1-99bc-a385aa0d61b3 | How does burning matter affect its mass? | [
"the mass decreases",
"the mass quadruples",
"the mass remains the same",
"the mass increases"
] | the mass remains the same | sciq |
409def93-8091-4af8-9286-c7e28ba9a8bc | What type of stratified deposit is formed where lakes are covered by ice in the winter? | [
"telomeres",
"varves",
"tangles",
"glacier"
] | varves | sciq |
7353d9e7-2cc5-4209-a5f8-c0d081fd1740 | Where do greenhouse gases trap heat? | [
"atmosphere",
"space",
"ground",
"altitude"
] | atmosphere | sciq |
b9bb3e80-1e77-456f-a7f2-847200a063ea | The hamstrings flex the leg, whereas the quadriceps femoris have what effect? | [
"extend",
"contract",
"no effect",
"stabilize"
] | extend | sciq |
aef1bfec-cef7-4d39-9994-22c382f167c1 | Many ceramics are composed of what, which are salts containing anions composed of silicon and oxygen? | [
"silicates",
"vinylates",
"soils",
"crystals"
] | silicates | sciq |
6599473f-c7ae-4904-8b11-bce4dbccd265 | Attaching strips of neutral metals that are higher in the activity series can protect a structure from what? | [
"diffusion",
"corrosion",
"deoxidation",
"weathering"
] | corrosion | sciq |
d21f7df8-4bfd-4db6-b95f-5e9838fd3467 | Weight is a measure of what force pulling down on an object? | [
"gravity",
"motion",
"distortion",
"light"
] | gravity | sciq |
c392747b-5921-4ec6-bea8-a56beba92bea | What organ absorbs about 90 percent of the water you ingest? | [
"large intestine",
"skin",
"small intestine",
"lungs"
] | small intestine | sciq |
68116e60-fb2e-495d-83f8-d3c6d7c65fd3 | In drosophila, gradients of morphogens encoded by maternal effect genes determine what? | [
"body axes",
"cells axes",
"cell mass",
"body mass"
] | body axes | sciq |
d116b920-72fb-4335-a64e-b452ee0f0981 | What features of a salamander's skin help protect itself from predators ? | [
"brightly colored and poisonous",
"slimy and camouflaged",
"camouflaged and thin",
"thick and impenetrable"
] | brightly colored and poisonous | sciq |
0d7204e4-0533-4cfa-8143-cd30d91ea76a | Precipitation maps show the amount of what in different areas? | [
"population",
"rainfall",
"heat",
"geographical variety"
] | rainfall | sciq |
ce05f2bc-6369-4fa9-8c9a-00bf3fb3be29 | What is a germ cell that divides into gametocytes during gametogenesis? | [
"pollenation",
"cocklebur",
"gonads",
"gametogonium"
] | gametogonium | sciq |
dc8aae32-31f5-4477-9089-818119a01f78 | The saguaro doesn't have any leaves to lose water by which process? | [
"evaporation",
"propagation",
"transpiration",
"respiration"
] | transpiration | sciq |
4d2dd651-3453-4924-9ddc-1ef835630daa | What is the most important source of energy on earth? | [
"water",
"moon",
"sun",
"the earth's core"
] | sun | sciq |
37840e60-f84f-4941-aa47-15e31b8a049a | What do cyclotrons use to cause particles to move in circular orbits? | [
"magnetic field",
"layers field",
"mixed field",
"occurs field"
] | magnetic field | sciq |
f860c13a-7b9d-43d9-9062-c92f1be7c32f | An example of a variable relating to the ramp is its what? | [
"color",
"mass",
"steepness",
"weight"
] | steepness | sciq |
f9279aa9-6aaa-4edd-b1c7-4ad0700e0b48 | Deep within the earth what force is so great that a rock behaves like a stretched rubber band? | [
"magnetism",
"momentum",
"pressure",
"volcanoes"
] | pressure | sciq |
ba345ccb-6e90-4470-ab12-62266a15aa4a | What shape is the colony of a volvox cell? | [
"pyramid",
"tubular",
"coil-shaped",
"hollow ball shaped"
] | hollow ball shaped | sciq |
21c630b0-bace-4d63-ace0-da57b63b08f5 | What do puffer fish produce to protect itself? | [
"teeth",
"venom",
"hormones",
"enzymes"
] | venom | sciq |
17975fe2-8af6-4c40-99de-8710af837d8d | What are polymers composed of many sugar building blocks called? | [
"monosaccarides",
"polysaccharides",
"monomers",
"hydrocarbons"
] | polysaccharides | sciq |
8762effc-e3f6-453c-aa69-cdeeed82b5c7 | Most gas molecules in the atmosphere are pulled close to earth’s surface by what force? | [
"gravity",
"traction",
"weight",
"light"
] | gravity | sciq |
a4239619-1a79-4e51-90b2-baed7cf4d5e4 | Coral reefs and tropical rainforests are ecosystems known for what, contributing greatly to the species in existence on earth? | [
"spontaneous mutation",
"commensalism",
"biodiversity",
"mass migrations"
] | biodiversity | sciq |
134696f6-aac2-4ab3-9f3b-65c90e00b8c4 | Gymnosperms and angiosperms are types of _________ seed plants. | [
"modern",
"heritage",
"genetic",
"extinct"
] | modern | sciq |
3015588b-b29b-4ec7-bfaa-41a5846ac8e8 | Not getting enough calcium may cause what health problem? | [
"osteoporosis",
"diabetes",
"arthritis",
"blindness"
] | osteoporosis | sciq |
caf31f0d-7946-4955-b7ec-9ff3ebc56db1 | What is the sequence of elementary steps that together comprise an entire chemical reaction called? | [
"reaction mechanism",
"mechanical mechanism",
"reaction circle",
"basic reaction"
] | reaction mechanism | sciq |
5ff1ca08-4fb6-40f8-81a2-c9408e3df1a7 | What is the clear, curved structure that works with the cornea to help focus light at the back of the eye? | [
"retina",
"lens",
"pupil",
"iris"
] | lens | sciq |
d9699768-5f19-4b63-bb51-853fca1e4fae | What is the color of the powder of a mineral called? | [
"pigment",
"streak",
"dye",
"hue"
] | streak | sciq |
1584259f-b681-47d3-9d8d-452849bc1783 | What part of the plant anchors it into the soil? | [
"roots",
"leaves",
"stems",
"buds"
] | roots | sciq |
fd8c1366-8302-4938-9216-3717e9067a3c | Evolution happens because of what? | [
"natural resources",
"natural change",
"natural process",
"natural selection"
] | natural selection | sciq |
44d96229-6685-440f-b741-56936abb0f56 | The nephron is the functional unit of what pair of organs? | [
"ribs",
"eyes",
"kidneys",
"lungs"
] | kidneys | sciq |
b349642a-47e2-4ac2-b4ff-9b70164a73c0 | Nonshivering thermogenesis, which involves the breakdown of brown adipose tissue, is a special methods newborns have for what purpose? | [
"harnessing heat",
"generating heat",
"losing heat",
"moving heat"
] | generating heat | sciq |
e2a81815-b446-4e89-bad1-70e2a22f14ac | What do you call a predator species that affects other species' populations when its own population size changes? | [
"keystone species",
"paradox species",
"complement species",
"symbiotic species"
] | keystone species | sciq |
16159cf4-9b75-4c8a-a3ae-4b9e67b2553a | What do you call the electrons in the outer energy level of an atom that are involved in chemical bonds? | [
"transitions electrons",
"helium electrons",
"valence electrons",
"force electrons"
] | valence electrons | sciq |
2cfc0c17-d31b-4f12-a208-a24e17c7a092 | How many valence electrons do neutral phosphorus atoms have? | [
"three",
"five",
"nine",
"four"
] | five | sciq |
5bfb4313-1a2a-4939-ab55-8f70cc74498a | What impact does photosynthesis have on the direction of electron flow? | [
"cools it",
"cycles it",
"reverses it",
"repeats it"
] | reverses it | sciq |
485f57d1-4ab1-436d-b1fa-000ceae160b9 | In an experiment, what is kept constant so they will not affect the results, including affecting the dependent variable? | [
"educated controls",
"experimental controls",
"similar controls",
"atmospheric controls"
] | experimental controls | sciq |
bf7b755b-3ad0-4181-a708-6ca1c38f2b58 | The rate of evaporation depends only on the surface area of the liquid and is essentially constant. the rate of condensation depends on the number of molecules in the vapor phase and increases steadily until it equals the rate of this? | [
"accumulation",
"evaporation",
"condensation",
"absorption"
] | evaporation | sciq |
e82a591e-9363-4794-9886-f95551908958 | What are the two main types of diabetes? | [
"type 0, 1",
"type 1, type 2",
"type 3, 4",
"type a, b"
] | type 1, type 2 | sciq |
57ae687e-a069-4894-a640-50f25d325546 | What function does the longer flagellae perform in dinoflagellates? | [
"attacks",
"defends",
"propels",
"grasps"
] | propels | sciq |
f7f282dc-ff5a-46c2-8e9d-0a22f354148a | What are the three stages of water? | [
"vapor, earth, internal",
"ice, liquid, vapor",
"liquid, underground, frozen",
"ice, rock, sky"
] | ice, liquid, vapor | sciq |
f3f8bd92-9f7e-4120-ab38-d0ec5ba91105 | What is the first stage of cellular respiration? | [
"glycolysis",
"breath",
"photosynthesis",
"defacation"
] | glycolysis | sciq |
e2d1f178-2ee7-4f5b-8fd8-9519f711e825 | Roundworms are intervertebrates that belong to which phylum? | [
"amoebozoa",
"annelida",
"Gordiacea",
"nematoda"
] | nematoda | sciq |
c2efaacc-8c5d-4c70-b76b-4440270a6135 | The development of multi-cellular organisms begins from a single-celled zygote, which undergoes rapid cell division to form this? | [
"blastula",
"eukaryote",
"gametophyte",
"multicell"
] | blastula | sciq |
fce80feb-165c-4957-8db9-da0e1580b51d | While components of a mixture can be separated by physical means, the components of a pure substance can only be broken down through what means? | [
"thermal",
"radiation",
"chemical",
"mechanical"
] | chemical | sciq |
eef3e9b1-21fa-42d8-8a54-a6aa99811443 | What is it called when pollen from one plant fertilizes another plant of the same species? | [
"cross-breeding",
"cross - vegetation",
"cross-typing",
"cross-pollination"
] | cross-pollination | sciq |
e55f62dc-4b80-4218-80cb-42eab85c6edc | Calcium hydroxide and calcium carbonate are effective in neutralizing the effects of what on lakes? | [
"dioxide rain",
"ozone rain",
"acid rain",
"oil rain"
] | acid rain | sciq |
fc895fa0-601d-475f-a164-36596166badf | Most of these bacterial illnesses can be prevented with proper cooking of food and washing what? | [
"teeth",
"hair",
"vegetables",
"hands"
] | hands | sciq |
499ac333-6e1c-40b2-bacf-af0823d3aae6 | If something is in the state of matter where it has both a definite shape and volume, then what state of matter is it in? | [
"plasma",
"liquid",
"solid",
"gas"
] | solid | sciq |
8758ff29-c443-4277-b0eb-11141eead7e0 | What is the region known as the myelencephalon in the embryonic brain? | [
"Diencephalon",
"medulla",
"Telencephalon",
"Mesencephalon"
] | medulla | sciq |
45b363ed-3d95-45e8-918d-905b7154a7bf | What involves the reaction of a hydrocarbon with oxygen gas to produce water and carbon dioxide? | [
"material reactions",
"hydrogen reactions",
"combustion reactions",
"chemical reactions"
] | combustion reactions | sciq |
b4b0300f-3f3b-4ec6-bf56-5d44ea5ee580 | What law states that matter cannot be created or destroyed? | [
"conservation of energy",
"construct of energy",
"law of inertia",
"Murphy's Law"
] | conservation of energy | sciq |
5e7f2ac1-fa43-406d-8546-cac8939edf41 | The air bubbles resulting from cavitation expand and block water channels of the what? | [
"ectoderm",
"xylem",
"heart",
"respiration"
] | xylem | sciq |
299b44fc-2f35-4c36-9dcd-cc8c0fdbee91 | Which gender typically experiences growth spurts first? | [
"female",
"male",
"no difference",
"transgender"
] | female | sciq |
0382b4e5-f405-4a26-817e-c1362db66e10 | What are the only organisms that can decompose wood? | [
"bacteria",
"protists",
"fossil",
"fungi"
] | fungi | sciq |
db6b8658-4c2b-4eef-9da5-4f04cc0fb600 | What part of the plant do nutrients enter? | [
"the stem",
"the seeds",
"the roots",
"the flower"
] | the roots | sciq |
4d0bb5b0-e573-4e89-aaa2-b3f754703ca1 | What is a solid particle that is indestructible? | [
"nucleus",
"quark",
"neutron",
"atom"
] | atom | sciq |
5b445d7f-995e-4e9d-806a-8a1c46060d52 | Activated macrophages and neutrophils discharge what that signals molecules that enhance an immune response? | [
"nucelotides",
"alkaloids",
"cytokines",
"pathogens"
] | cytokines | sciq |
3a5b6be8-97a2-4c3e-87e3-bdf3e08d4b02 | The extracellular fluid is in contact with the axon membrane only at what location? | [
"synapses",
"Sensory Receptors",
"the nodes",
"dendrites"
] | the nodes | sciq |
5dc94eee-c210-4193-838d-a078c37ca8b4 | Muscarinic receptors can cause both depolarization or hyperpolarization depending on the what? | [
"gravity",
"phenotype",
"strain",
"subtype"
] | subtype | sciq |
98759831-cfa4-4b16-a200-d4b585ab64f3 | What does rising air do when it reaches the top of the troposphere? | [
"warms",
"heats",
"dries",
"cools"
] | cools | sciq |
968fd0d4-8de5-44c1-a464-23a7b4dfeab9 | The what is the number of wave cycles that pass a specified point in space in a specified amount of time? | [
"intensity",
"density",
"frequency",
"vibrancy"
] | frequency | sciq |
db05f731-2ed7-4b1b-937f-e3b01ccc7ecf | Intermediate filaments tend to give the structural stability to what? | [
"cells",
"muscles",
"proteins",
"nerves"
] | cells | sciq |
89d68b23-3145-4412-89bf-4b07b7a726ec | What is the process in which a layer of a second metal is deposited on the metal electrode that acts as the cathode during electrolysis? | [
"electroplating",
"distillation",
"cold fusion",
"casting"
] | electroplating | sciq |
af70a9f9-d0bc-4da4-9e8d-42ce383d2afe | What is the term for diseases in which blood does not clot normally? | [
"lymphoma",
"hemophilia",
"arthritis",
"diabetes"
] | hemophilia | sciq |
1adf2fd8-cb42-488e-ac19-37f8d4200afa | Cardiomyocytes are striated muscle cells found where? | [
"in cardiac tissue",
"in the diaphram",
"in lung tissue",
"in the intestines"
] | in cardiac tissue | sciq |
9cb95013-b9ee-46af-9c7d-7a24e60be985 | Which protein, that stores oxygen in muscle cells, has been purified from a number of organisms? | [
"melanin",
"potassium",
"iodine",
"myoglobin"
] | myoglobin | sciq |
db089d68-f778-4de4-bfa0-b55079416525 | A membrane has what property if it can control what molecules or ions enter or leave the cell? | [
"susceptible permeability",
"selective permeability",
"impermeability",
"indiscreet permeability"
] | selective permeability | sciq |
e8b1af57-fe25-4386-9f3d-5a5d7b676993 | What is the term for the amount of space taken up by an object? | [
"mass",
"volume",
"size",
"weight"
] | volume | sciq |
1802eb58-4086-429a-b161-8f0004bf7f5f | What is the most common form of cancer in women? | [
"breast cancer",
"ovarian cancer",
"melanoma",
"lung cancer"
] | breast cancer | sciq |
7fd5304c-97b9-43ae-be22-5d01478b5f3a | Exposure to what is the most common cause of hearing loss? | [
"Guitar",
"outside sounds",
"angry sounds",
"loud sounds"
] | loud sounds | sciq |
506fb825-22aa-45bb-bd4f-5c1b1134befc | What basic plant structures generally have large surface areas and high surface-to-volume ratios? | [
"roots",
"leaves",
"stems",
"flowers"
] | leaves | sciq |
1a609997-2bba-4aed-8d05-ace53404f1be | What is the main component of phytoplankton? | [
"algae",
"cells",
"amoebas",
"seawater"
] | algae | sciq |
6efb9ad8-bfbd-4751-b27d-4502d15eb264 | Metabolic enzymes catalyze catabolic reactions that break down what? | [
"carbohydrates",
"proteins",
"impurities",
"lipids"
] | carbohydrates | sciq |
1e93b144-b564-4c3b-bcf5-a72bd9bbbc79 | Ponds and lakes are examples of what kind of biome? | [
"standing lake biome",
"standing freshwater biome",
"standing liquid biome",
"standing marine biome"
] | standing freshwater biome | sciq |
576dd32e-e0cd-40da-b835-7e1768bcc4af | The skeletons of humans and horses are examples of what? | [
"exoskeletons",
"endoskeletons",
"pliant skeletons",
"hydroskeleton"
] | endoskeletons | sciq |
e95470a9-e122-446d-b412-6ee48dc5e372 | What type of tissue transports water, nutrients, and food in plants? | [
"normal tissue",
"vascular tissue",
"rough tissue",
"smooth tissue"
] | vascular tissue | sciq |
71d1d8ad-8bf8-43f7-ad0b-cc1bbc843263 | Stomata are special pores that allow gasses to enter and exit what? | [
"the soil",
"the skin",
"the flower",
"the leaf"
] | the leaf | sciq |
920177e1-6dcf-4f9c-b207-6956e4ee822b | What is created when the wave source moves faster than the wave propagation speed? | [
"loop wake",
"superceding wake",
"bow wake",
"piece wake"
] | bow wake | sciq |
af303bb8-38cb-4550-bde8-e213aaad7830 | In a transverse wave, the highest point the wave reaches is known as the? | [
"flow",
"axis",
"crest",
"valley"
] | crest | sciq |
e2986c8a-aacf-464d-a7bb-56b49aa848c7 | Which orbitals do electrons fill first? | [
"closest to the nucleus",
"empty orbitals",
"charged orbitals",
"furthest from nucleus"
] | closest to the nucleus | sciq |
caa6aebd-5dab-445b-a1c5-43def8e8f58b | Many discrete characters are determined by a single gene locus with different alleles that produce distinct what? | [
"clusters",
"phototypes",
"subtypes",
"phenotypes"
] | phenotypes | sciq |
d12eacb7-0894-463c-b1ca-160a9933e6cb | What is the hardest type of coal? | [
"Bituminous",
"peat",
"lignite",
"anthracite"
] | anthracite | sciq |
b6b62e7d-a593-43b3-8339-36f812d516be | All cells have voltages across their what? | [
"display membranes",
"ribosomes",
"plasma membranes",
"nuclei"
] | plasma membranes | sciq |
67b36159-1b62-49c5-ba29-69ed4d6877dc | Which is the largest planet in our solar system? | [
"uranus",
"titan",
"jupiter",
"neptune"
] | jupiter | sciq |
2b0cab33-def1-48b7-aa10-747f88815bd9 | A crucial function of the cranial nerves is to keep visual stimuli centered on the fovea of what eye structure? | [
"scelra",
"retina",
"pupil",
"iris"
] | retina | sciq |
2ef6f207-e1f5-41bb-8998-884b736b34d8 | In what process is energy from the sun converted to stored chemical energy in an organism? | [
"photosynthesis",
"metabolism",
"cellular respiration",
"digestion"
] | photosynthesis | sciq |
740d00a1-0799-4dfc-a7c3-13c1701c9437 | Sunlight gives plants the energy they need for what? | [
"glycolysis",
"photosynthesis",
"absorption",
"respiration"
] | photosynthesis | sciq |
49f7b09a-b2c5-47d3-880e-df962071cbf7 | What is lowered when salts go into ion form? | [
"power",
"charge",
"voltage",
"resistance"
] | resistance | sciq |
b4e6d075-4371-4531-9d90-bd58468ca0ae | What is produced during the hydrogenation of vegetable oils? | [
"rich fatty acids",
"trans fatty acids",
"partially-hydrogenated fatty acids",
"complete fatty acids"
] | trans fatty acids | sciq |
2688c98c-0ba9-47c0-8265-6d35e6e9685d | Where does fertilization usually take place? | [
"ovary",
"vagina",
"fallopian tubes",
"uterus"
] | fallopian tubes | sciq |
5842bf7a-a8de-4262-9b5d-96a70af98b66 | What monitors the level of carbon dioxide in the blood? | [
"the lungs",
"the heart",
"the brain stem",
"the kidneys"
] | the brain stem | sciq |
4b9fb8f9-f6ef-4234-b9d7-c6013999f07a | When volume does not change, temperature is proportional to what other property? | [
"Length",
"Density",
"pressure",
"resistance"
] | pressure | sciq |
0a3974ab-3742-45d9-a0b9-7047f12b51b3 | Single-displacement reactions are a subset of what? | [
"particle reactions",
"redox reactions",
"gravitational reactions",
"kinetic reactions"
] | redox reactions | sciq |
594f3e14-01a6-4af5-bfe9-47a5226b151d | What is the process by which the substances you consume are taken up by the blood? | [
"evaporation",
"digestion",
"filtration",
"absorption"
] | absorption | sciq |
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