id string | question string | choices list | answer_key string | source string |
|---|---|---|---|---|
9002183a-9b62-462d-bb92-5e1d9a20f85f | The lens focuses light on the retina , which covers the back of the inside of the eye. the retina has light-sensing photoreceptor cells called? | [
"rods and cones",
"cones and tubes",
"tubes and rods",
"holes and cones"
] | rods and cones | sciq |
e85e6bd8-2182-4fc7-9c57-c2d9dca89060 | Temperature, water, soil, and air are examples of nonliving factors of an ecosystem, also termed what? | [
"conditional factors",
"diverse factors",
"nucleic factors",
"abiotic factors"
] | abiotic factors | sciq |
bf203c3b-3d79-42c7-aafd-c5d85f25e19f | Ibuprofen and albuterol are examples of drugs whose _________ have different effects. | [
"enantiomers",
"misnomers",
"analogous",
"nanoparticles"
] | enantiomers | sciq |
4ff0d999-6855-48af-85cd-44353ad040ba | Although magma once filled our moon's craters, what is thought to have ended there over a billion years ago? | [
"mineral activity",
"oceanic activity",
"deserts activity",
"volcanic activity"
] | volcanic activity | sciq |
9a0db1e3-e3f8-4107-8ff4-30267ed8e78e | Sensory nerves carry nerve impulses from sensory receptors to what system? | [
"ENDOCRINE SYSTEM",
"central nervous",
"IRCULATORY SYSTEM",
"MUSCULAR SYSTEM"
] | central nervous | sciq |
44480438-6c7d-4898-b243-38bdb6bad217 | Which kind of muscle regulates air flow in lungs? | [
"vascular",
"alveoli",
"striated",
"smooth"
] | smooth | sciq |
d872bc22-b1d3-49d8-ac72-0ec0bb3b9403 | What type of bonds are formed by the side-to-side overlap of p orbitals? | [
"sigma bonds",
"theta bonds",
"omega bonds",
"pi bonds"
] | pi bonds | sciq |
4f8c5ba0-b0e0-4def-a5b1-9b431a0766e0 | On what day of the cycle does ovulation usually occur? | [
"14th",
"17th",
"1st",
"7th"
] | 14th | sciq |
2740dd38-a32f-400c-bba1-622d3be5c919 | The majority of animals belong to what category, characterized by the lack of a backbone? | [
"nematode",
"invertebrate",
"arthropod",
"vertebrate"
] | invertebrate | sciq |
3fed2c59-e130-4b8e-8130-b560e31d209c | What is another name for the vertebral column? | [
"pillar",
"nerve column",
"brain stem",
"backbone"
] | backbone | sciq |
2edf9c41-7093-45fc-8bca-2519228db3d1 | The temperature at which a substance melts is called its what point? | [
"boiling",
"melting",
"freezing",
"change"
] | melting | sciq |
8cb69b48-2049-45fa-9909-3084fb1e5f1f | Oogenesis, which is gametogenesis in females, begins with what type of ste cells? | [
"uterian",
"digestive",
"ovarian",
"secretion"
] | ovarian | sciq |
9ad3f1de-8d63-477c-b2ae-7ffdba53f524 | Humans are among the most versatile of mammals with what type of diet? | [
"herbivore",
"vegetarian",
"carnivore",
"omnivore"
] | omnivore | sciq |
f836c05c-5cba-4b28-b999-c2ca25265f15 | Newton’s second law of what is more than a definition; it is a relationship among acceleration, force, and mass? | [
"gravity",
"motion",
"interference",
"change"
] | motion | sciq |
ffd2c387-a4cb-4260-a508-f544feb6b15f | What is the physical transformation of an insect moving through stages of life? | [
"parthenogenesis",
"Growth and Development",
"Transition",
"metamorphosis"
] | metamorphosis | sciq |
8d8331a8-3945-4fa2-929c-d666768a0a33 | When equal amounts of a strong acid such as hydrochloric acid are mixed with a strong base such as sodium hydroxide, the result is what kind of solution? | [
"a lateral one",
"a thermodynamic one",
"a economical one",
"a neutral one"
] | a neutral one | sciq |
45189767-44c2-43cd-8dfb-1b559dee8935 | What are fast moving rivers of air that are going in opposite directions called? | [
"burst streams",
"air streams",
"jet streams",
"cause streams"
] | jet streams | sciq |
e70f5213-b953-453d-9108-8544f96c2a93 | Nephrons, renal tubules and the loop of henle are part of the process of blood filtration by what organs? | [
"bladder",
"liver",
"kidneys",
"lungs"
] | kidneys | sciq |
dbd31069-5e2d-4442-a507-9f091f72920b | Fungi, such as black bread mold (rhizopus nigricans), have haploid-dominant what? | [
"birth cycles",
"gene pools",
"mutations",
"life cycles"
] | life cycles | sciq |
d9838423-dade-4b68-a825-85086b1d7f50 | The electrode at which oxidation occurs is called? | [
"calomel",
"cathode",
"the anode",
"diode"
] | the anode | sciq |
0b608a67-3d72-4d4c-bc13-c79eb395491e | There are about 6200 known species of what? | [
"mammals",
"primates",
"reptiles",
"amphibians"
] | amphibians | sciq |
22cc8898-cc2a-4718-8304-d6273480908e | The lens and other parts of the eye work together to focus a real image on what eye structure? | [
"retina",
"cornea",
"pupil",
"iris"
] | retina | sciq |
a86badde-1504-4e93-90c5-7ccc4dafbad1 | What is required to move or change matter from one state to another? | [
"gravity",
"energy",
"food",
"evolution"
] | energy | sciq |
a3510bdb-d284-4dc3-bd4e-9bdbe3f8fab5 | A food web can be broken up into what further subdivision that usually has a few links in it? | [
"food chain",
"oxygen chain",
"food pyramid",
"water chain"
] | food chain | sciq |
0573fe06-bc63-4f3e-8089-ca202f308f08 | What living species of bird is considered the largest of the raptors? | [
"golden eagles",
"pteradactyl",
"peregrine falcon",
"California condor"
] | golden eagles | sciq |
f2bdf209-d020-4da6-b0cf-a01358566a8a | What contains positive protons and neutral neutrons? | [
"nucleus",
"ions",
"electrons",
"epidermis"
] | nucleus | sciq |
83055316-6713-4f38-98d6-509f45353172 | Horny ridges on the jaws serve the same function as what, for turtles? | [
"teeth",
"skin",
"hairs",
"taste buds"
] | teeth | sciq |
7be47e34-c079-40ec-9e81-2db56eddba03 | Natural gas is the predominately made up of? | [
"methane",
"sulfur",
"hydrogen",
"carbon"
] | methane | sciq |
7bc49537-3e9c-47eb-85d1-a7d06df3328a | Which organs control the amount of water, ions, and other substances in the blood by excreting more or less of them in urine? | [
"kidneys",
"ears",
"lungs",
"tongue"
] | kidneys | sciq |
5f9b6998-98e4-40ff-a26b-9dfad1b74128 | What unit of measurement is defined to be the number of atoms in 12g of carbon-12? | [
"one mole",
"one ohm",
"one joule",
"one quark"
] | one mole | sciq |
128cec0e-c8f0-4477-bd2d-42bc64413a8c | What involves sensing and focusing light from people and objects? | [
"projection",
"sensory perception",
"vision",
"echolocation"
] | vision | sciq |
9c555fad-a446-4edb-a0b2-9165fd3c3903 | What is a therian mammal in which the embryo is born at an early, immature stage? | [
"carnivore",
"bat",
"rodent",
"a marsupial"
] | a marsupial | sciq |
25b022e6-35a2-4bde-841b-341879ad3c74 | What are fungi which feed on living cells called? | [
"symbiotic",
"static",
"parasitic",
"predatory"
] | parasitic | sciq |
d2d79ecb-d5c5-489d-966b-d67603ebdcf0 | What rock group offers the richest source of fossils? | [
"sedimentary",
"geode",
"igneous",
"metamorphic"
] | sedimentary | sciq |
24012c35-7a06-434c-9a51-e75f28053d1a | What is the diffusion of water through a semipermeable membrane down its concentration gradient | [
"osmosis",
"Permable",
"nutrients",
"mirrors"
] | osmosis | sciq |
fe549b66-dcfd-42c5-9e72-1c08ea154126 | Isotopes are named for their number of protons plus what? | [
"isomers",
"electrons",
"nuclei",
"neutrons"
] | neutrons | sciq |
9a6fcfab-bbe3-4d9c-a421-a0a1fb177c03 | Movements in the mantle cause the plates to move over time in a process called what? | [
"continental expansion",
"continental drift",
"boundary drift",
"continental shift"
] | continental drift | sciq |
f4d10c7d-60e0-4a98-8402-a2c9a49ab277 | In phyisics, what is considered to be the rotational version of force? | [
"energy",
"torque",
"pressure",
"work"
] | torque | sciq |
d3830a32-0fc2-4336-a751-2fd4cb17057e | Skeletal muscles are attached to the skeleton by tough connective tissues called what? | [
"veins",
"cords",
"tendons",
"fibers"
] | tendons | sciq |
69ef7595-6092-44ea-af6e-adc8d0ae8fa2 | What is the ability to see called? | [
"smell",
"vision",
"thought",
"hearing"
] | vision | sciq |
5d53c994-61d7-4c49-8b38-844775949b6f | Which two major innovations allowed seed plants to reproduce in the absence of water? | [
"salt and pollen",
"bee and pollen",
"root and pollen",
"seed and pollen"
] | seed and pollen | sciq |
8a5373de-6354-414e-89b7-73db6014fed8 | Water can be broken down into hydrogen and oxygen gases by the addition of what? | [
"demand",
"mineral",
"energy",
"motion"
] | energy | sciq |
cd27dd20-fbee-43a4-adbf-47df5a3d65af | What anatomical feature is shared by all chordates? | [
"notochord",
"botachord",
"laxchord",
"isochord"
] | notochord | sciq |
217f39b2-d642-478f-89bb-f7af5be6e323 | With wavelengths from 400-700 nm, what kind of light represents only a very small portion of the spectrum? | [
"sunlight",
"visible light",
"invisible light",
"ultraviolet light"
] | visible light | sciq |
41b88618-47ba-4c01-9789-8d423f80ef69 | In humans, the only haploid cells are what reproductive cells? | [
"uteral and sperm",
"sperm and egg",
"sperm and dna",
"dna and egg"
] | sperm and egg | sciq |
3f64e7f6-e407-40df-9356-f07f8b10609d | Where is the spinal trigeminal nucleus located? | [
"medulla",
"pons",
"spinal cord",
"cerebrum"
] | medulla | sciq |
37dfbbee-24ea-481c-b20c-faf677e292ee | The lithosphere is divided into a dozen major and several minor what? | [
"zones",
"plates",
"faults",
"crystals"
] | plates | sciq |
b11d19ca-48bb-4a1f-84f5-677fcf06f37d | During the first year after birth, what is a baby called? | [
"toddler",
"fetus",
"infant",
"newborn"
] | infant | sciq |
684544a4-3325-4fd7-a818-849ee8053ddc | What are used to indicate the number of atoms of an element that are in the compound? | [
"indices",
"digits",
"prefixes",
"suffixes"
] | prefixes | sciq |
5695a0b9-a6f0-4976-8055-54dc186bea66 | Area, volume, and speed are all examples of what type of units? | [
"known units",
"derived units",
"calculated measure",
"fundamental units"
] | derived units | sciq |
6226140c-880b-431f-9209-1831d0a1ac95 | Anything moving has what type of energy? | [
"potential",
"kinetic",
"magnetic",
"thermal"
] | kinetic | sciq |
0ca4d12e-9a49-487b-9593-5e9570ce510c | A skydiver will reach what when the air drag equals their weight? | [
"ending velocity",
"constant velocity",
"building velocity",
"terminal velocity"
] | terminal velocity | sciq |
4b4da6e4-507f-428a-adb0-cdadea34e545 | What organs are considered the female gonads? | [
"ovaries",
"uterus",
"fallopian tubes",
"testes"
] | ovaries | sciq |
8f7858ce-c171-4a16-9375-8b637f443bcd | What is the adaptation that certain animals use to become less visible to predators and prey? | [
"speed",
"insulation",
"camouflage",
"skeletons"
] | camouflage | sciq |
4320fb9d-396a-40e4-9deb-75ca89cc8e16 | What is another term for blood clotting? | [
"adulation",
"coagulation",
"oxidation",
"differentiation"
] | coagulation | sciq |
99582775-576a-4f08-a3b9-a318216ed6a9 | What do you call the study of how organisms interact with their environment and each other? | [
"climatology",
"ecology",
"biochemistry",
"biology"
] | ecology | sciq |
bedf0915-1e23-4be4-a73d-2a211fc72a28 | Childbirth usually starts when which sac breaks? | [
"amniotic",
"uterine",
"protein",
"umbilical"
] | amniotic | sciq |
80273317-c3fa-4ec6-8a60-e1547936e440 | What phenomenon, which is most important in small populations, occurs because the alleles in an offspring generation are a random sample of the alleles in the parent generation? | [
"genetic mutation",
"genetic DNA",
"genetic drift",
"genetic code"
] | genetic drift | sciq |
c305b09f-d630-4427-a1dc-36dcc0d10425 | What is the term for when an embryo fixes itself to the side of the uterus? | [
"parasite",
"exploration",
"bacterial",
"implantation"
] | implantation | sciq |
834fc4c9-f8ff-4218-b01d-c48df06c3bb1 | When exposed to ultraviolet, some substances, such as minerals, glow in characteristic visible wavelengths, a process called this? | [
"chemical reaction",
"pigment",
"fluorescence",
"plasma"
] | fluorescence | sciq |
0d261b72-dbbf-40d0-ae01-37da6cc9ff19 | What disease occurs when the cell cycle is no longer regulated? | [
"cancer",
"schizophrenia",
"malnutrition",
"allergy"
] | cancer | sciq |
a3dd12eb-9eb1-46f8-9cdc-3e7dfd4575d4 | If a lump of clay is dropped into water, what will occur? | [
"Will break up",
"it will sink",
"Will dissolve",
"Will float"
] | it will sink | sciq |
f8399707-08b5-48f7-9016-ade2ef7f21f0 | Nerve cells that sense touch are found mainly where? | [
"stomach",
"skin",
"brain",
"lungs"
] | skin | sciq |
dae9c6e5-aef4-4e12-9a11-a3a6e3f63f8f | What do concentric circles on a topographic map indicate? | [
"a forest",
"a lake",
"a crater",
"a hill"
] | a hill | sciq |
a0472276-3265-482a-9ebc-fa7ac99b4c0b | Arthropods today have two unusual hox genes, both of which influence what? | [
"motility",
"compression",
"reproduction",
"segmentation"
] | segmentation | sciq |
1be84a93-3aa3-4697-a2e3-6edbacbf0aff | What are the little sacs at the end of the bronchioles called? | [
"lung",
"respiratory sacs",
"ganglion",
"alveoli"
] | alveoli | sciq |
6696ba0d-3866-4983-854c-cb583a9407e1 | How often should women perform a breast self-exam? | [
"quarterly",
"monthly",
"weekly",
"yearly"
] | monthly | sciq |
63732947-34e1-4d14-9868-336673c16fa7 | The spokes of what structures that distinguish saturn appear seasonally, with an origin as yet unknown? | [
"rings",
"craters",
"satellites",
"moons"
] | rings | sciq |
e417ed48-e78c-4548-ab92-edc97f5423b5 | Circulating the air prevents ethylene from accumulating, and carbon dioxide inhibits synthesis of new what? | [
"alcohol",
"cellulose",
"sulfur",
"ethylene"
] | ethylene | sciq |
e790f95f-6029-41a0-8305-67ff1a9976ab | The sternocleidomastoid is the major muscle that laterally flexes and rotates what? | [
"knee",
"eye",
"head",
"tongue"
] | head | sciq |
aa4d9b76-7d9d-46c2-9f47-cb78b01c13b8 | What type of plants does human welfare depend greatly on? | [
"mosses",
"fertilizer plants",
"ferns",
"seed plants"
] | seed plants | sciq |
eeba5146-7f19-4194-8f62-c8cc1fe74786 | What forms when secondary alcohols oxidize? | [
"ions",
"ketones",
"electrons",
"chromosomes"
] | ketones | sciq |
3358928f-0ef8-4081-9e79-59e6cd02b6b8 | What are cells without a nucleus called? | [
"heterogeneous cells",
"prokaryotic cells",
"crustal cells",
"Monocyte Cells"
] | prokaryotic cells | sciq |
faea94d1-3081-49d6-8c50-c3773e24737c | Bones, cartilage, and what other thing make up the skeletal system? | [
"ligaments",
"muscles",
"organs",
"lungs"
] | ligaments | sciq |
84ad43ee-06a7-4cf6-81a8-f572d333a3a6 | The hypothalamus is actually part of the brain, but it also secretes what? | [
"acids",
"electrolytes",
"hormones",
"enzymes"
] | hormones | sciq |
d2669d0b-596b-4ab8-8c1a-b50518b0db97 | What disease characterized by the extreme swelling of the limbs is caused by infection with a type of roundworm? | [
"fibrosis",
"elephantiasis",
"pulmonary edema",
"gigantism"
] | elephantiasis | sciq |
da93fe9a-a675-426f-8a20-c629d3cf3fdc | What is the study of water movement, including waves and ocean currents? | [
"experimental oceanography",
"theoretical oceanography",
"thermal oceanography",
"physical oceanography"
] | physical oceanography | sciq |
603b5af8-3cf3-4c9b-aeee-f080bcdeef77 | What part of the sperm contains the nucleus? | [
"nucleus",
"body",
"head",
"tail"
] | head | sciq |
f00544b5-6620-448f-8411-5814f6512bfc | There are many types of asexual spores. conidiospores are unicellular or multicellular spores that are released directly from the tip or side of this? | [
"idioma",
"ganglion",
"hypha",
"goychay"
] | hypha | sciq |
52dafef9-479a-4946-8039-12eef8a3d1fb | What forms when nitrogen and sulfur oxides in air dissolve in rain? | [
"carbon rain",
"acid snow",
"acid rain",
"dioxide rain"
] | acid rain | sciq |
e96d9b70-807d-492b-ba77-a4136225232a | Where do mushrooms get their energy? | [
"killing organisms",
"accumulating dead organisms",
"producing dead organisms",
"decomposing dead organisms"
] | decomposing dead organisms | sciq |
950e0600-c3ee-4e61-83ea-a078fd221449 | What are the hormones that cause a plant to grow? | [
"pistills",
"gibberellins",
"pores",
"sporozoans"
] | gibberellins | sciq |
29b51ffa-b862-42c6-8c7b-6bfdb51a52db | The ileum is the last part of what digestive system organ? | [
"esophagus",
"stomach",
"large intestine",
"small intestine"
] | small intestine | sciq |
8632e8e8-65a5-4e72-a06c-f0f19039a860 | What are the smallest structural and functional unit of all living organisms? | [
"cells",
"proteins",
"lipids",
"neutrons"
] | cells | sciq |
de8a7566-20f2-48c5-953f-4312750dd909 | Clubfoot, also known as talipes, is a congenital (present at birth) disorder of unknown cause and is the most common deformity of what? | [
"genitals",
"upper limb",
"lower limb",
"cranium"
] | lower limb | sciq |
69da0897-e1c5-4373-af1c-82dbc984daab | Somatic cells come from the body and are not what, like sperm or eggs are? | [
"toxins",
"gametes",
"organic",
"spores"
] | gametes | sciq |
0a6c5c48-956b-40a3-bf75-f95725b81109 | What forms when nitrogen and oxygen combine at high temperatures? | [
"hydrocarbons",
"nitric acid",
"calcium oxides",
"nitrogen oxides"
] | nitrogen oxides | sciq |
74f1ff3f-22fc-4397-bf4f-6fb06468e34f | A diagram in which the numerical values of variables are represented by the height or length of lines or rectangles of equal width is called? | [
"bar graph",
"pie chart",
"venn diagram",
"circle graph"
] | bar graph | sciq |
6dfdda62-e55e-43ee-8137-1db1aae971ae | What opens two strands of dna? | [
"helicase",
"adenylate",
"replication",
"chromosome"
] | helicase | sciq |
57d0865a-3366-4fb1-ad7e-16d1201f5f16 | What come together to create continents and supercontinents? | [
"islands",
"mountains",
"microcontinents",
"volcanic sediment"
] | microcontinents | sciq |
e82620d1-7295-46d8-b02f-6007517b59b2 | Most hybrids are sterile because what genetic structures are not homologous and cannot pair during meiosis? | [
"zygotes",
"ribosomes",
"chromosomes",
"phenotypes"
] | chromosomes | sciq |
ff4cc1e0-62d7-4ea1-9a84-6c0f26ab78ed | Vultures, raccoons and blowflies are examples of what? | [
"producer",
"consumer",
"predator",
"scavengers"
] | scavengers | sciq |
b5d62c13-ea6c-4830-8035-6c72cae739bc | What are classified by climatic factors and types of primary producers? | [
"terrestrial biomes",
"equivalent biomes",
"old biomes",
"fossil biomes"
] | terrestrial biomes | sciq |
16bcc9ec-82f4-40db-bb1d-2923f3847a70 | All organisms can be classified into one of three of this least specific grouping? | [
"domains",
"aspects",
"species",
"phlylum"
] | domains | sciq |
8dcc46a9-19c9-4e45-bd70-a3ddaa4681d0 | What artery takes blood to the brain? | [
"veins",
"pulmonary",
"carotid",
"coronary"
] | carotid | sciq |
76d7fd12-ecbc-4b62-8028-1141d30b5755 | The bohr model works only for which atom? | [
"helium",
"hydrogen",
"carbon",
"boron"
] | hydrogen | sciq |
d8124bac-32c7-4585-a2c6-edfd24a474fa | What holds together adenine and thymine? | [
"covalent bonds",
"hydrogen bonds",
"helium bonds",
"potassium bonds"
] | hydrogen bonds | sciq |
33af40e7-2fd6-4e38-98bd-c06264dd766a | Approximately 20% of the atmosphere is made of which element? | [
"hydrogen",
"oxygen",
"carbon",
"nitrogen"
] | oxygen | sciq |
2ae9b0f9-1c33-43e8-a026-d5049b3b4aaf | Compound forms when atoms of nonmetals form molecules that are held together by what? | [
"phenotype bonds",
"covalent bonds",
"dissonance bonds",
"magnetic bonds"
] | covalent bonds | sciq |
a1a9107a-ade7-457e-b262-dffcc83d4b4c | Which property of diamond makes it so hard? | [
"carbon bonds",
"metal-metal bonds",
"non-covalent bonds",
"chemical bonds"
] | chemical bonds | sciq |
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