id string | question string | choices list | answer_key string | source string |
|---|---|---|---|---|
ad48a768-1b42-48e6-8d80-e7d9c68f31fc | What is thought to be the oldest eukaryotes? | [
"arthropods",
"amoebas",
"protists",
"prokaryotes"
] | protists | sciq |
144cd49b-8da0-443b-9288-3f8463534317 | Which landmark book on evolution via natural selection did charles darwin publish in 1859? | [
"on the origin of species",
"on the origin of mammals",
"on various kinds of animals",
"on the ethnic of species"
] | on the origin of species | sciq |
891ef9f6-0937-4a26-a397-a6cc764222fd | Archaeans help break down sewage in waste treatment plants, so they fulfill what important role? | [
"consumers",
"decomposer",
"producers",
"pollenation"
] | decomposer | sciq |
add065fc-95a7-4829-84ca-e6759f641489 | If an atom gains electrons, it becomes what? | [
"a cation",
"an ion",
"anion",
"neutral"
] | an ion | sciq |
cd648a32-8901-418e-8fd5-530650c7b45a | The formula mass of a covalent compound is also called the what? | [
"atomic mass",
"ionic mass",
"nucleus mass",
"molecular mass"
] | molecular mass | sciq |
b5d3d8c0-15b0-4ed3-a9c1-c0691f7a64a8 | Both pathways that isolate a population reproductively in some form, allopatric and sympatric describe what, which means the creation of new species? | [
"accumulation",
"extinction",
"bacterial",
"speciation"
] | speciation | sciq |
02047095-1519-4613-8a4f-334e184c2d18 | Common disease of what system include asthma, pneumonia, and emphysema? | [
"the fecal system",
"the digestive system",
"the respiratory system",
"the glandular system"
] | the respiratory system | sciq |
85394210-f4d5-4a43-89c6-eefa79525afc | Translucent matter is matter that transmits and does what else to light? | [
"scatters",
"absorbs",
"reflects",
"condenses"
] | scatters | sciq |
a56aea28-bfd3-47f3-bbfb-3c7d31c463cc | Diet correlates with the length of what organ system in vertebrates? | [
"circulatory",
"respiratory",
"digestive",
"reproductive"
] | digestive | sciq |
f8eab018-a5cc-4f56-a52a-4e5af8286389 | What is the process of processing used material into new ones called? | [
"remake",
"recycling",
"reuse",
"renew"
] | recycling | sciq |
a2f13f0c-c486-4d30-ac89-796be06c12ee | What equals the mass of the object (in kilograms) times the acceleration due to gravity (9.8 m/s 2 )? | [
"density",
"velocity",
"weight",
"speed of light"
] | weight | sciq |
23483dc2-4d85-43e2-a26a-42cfe3ff6a5b | Where does visible light fall in between on the electromagnetic spectrum? | [
"infrared light and ultraviolet light",
"infrared light and gamma ray",
"radio and infrared",
"infrared light and specific light"
] | infrared light and ultraviolet light | sciq |
e896bc2e-0cf6-4e32-9da5-222a2f33a6f6 | Having polar bonds may make a covalent compound what? | [
"negatively charged",
"polar",
"ionic",
"neutral"
] | polar | sciq |
dd93802a-f9c1-47d3-82e3-0fabebbc3179 | About how many thunderstorms are there each year worldwide? | [
"14 million",
"23 million",
"17 million",
"21 million"
] | 14 million | sciq |
4b1d8f55-81cd-4a83-95c4-ba81b041e47e | What are a group of protists whose monophyly is well supported by molecular systematics? | [
"mycetozoa",
"euglenozoa",
"sporozoans",
"alveolates"
] | alveolates | sciq |
4f4296de-183a-4d44-8b20-68956f66a5f2 | What is measured by the intensity of the sound waves? | [
"tone",
"inputs",
"loudness",
"pitch"
] | loudness | sciq |
0fc21621-0ec8-47b2-a6af-38f8447c2395 | Parasitic fungi often cause illness and may eventually do what to their hosts? | [
"kill them",
"mutate them",
"reproduce with them",
"become them"
] | kill them | sciq |
a6e6d2f9-5926-4b26-b005-2440e4b69e50 | Coronary heart disease is caused when what blocks coronary arteries? | [
"carbohydrates",
"plaque",
"proteins",
"fats"
] | plaque | sciq |
be258362-449a-45e2-819d-d5f5ed4c5ddd | Air is an example of what state of matter? | [
"liquid",
"gas",
"plasma",
"solid"
] | gas | sciq |
40795baf-8819-4304-af35-c80d8c6fb73d | What descend from clouds in funnel-like shapes that spin violently, producing powerful winds? | [
"hurricanes",
"rains",
"tornadoes",
"currents"
] | tornadoes | sciq |
89c65a5e-efc7-435d-abfd-f4582a711e18 | What term describes the long-term, predictable atmospheric conditions of a specific area? | [
"wind patterns",
"solar activity",
"hemosphere",
"climate"
] | climate | sciq |
cfdb772e-39c3-457d-ac91-d8bcfff3b172 | Between meals, when the level of blood glucose drops below a certain point, a signal is sent to what organ saying “make more glucose"? | [
"kidney",
"liver",
"brain",
"pancreas"
] | liver | sciq |
0ca506ae-76e9-41e8-a1bd-f54839b6febd | Where does the krebs cycle take place? | [
"in the beam",
"in the nitrogen",
"in the ozone",
"in the matrix"
] | in the matrix | sciq |
d100e7bf-27ab-4609-85f1-933369837003 | What state of matter is like a liquid in that particles are in contact with each other, but unlike liquids in that the intermolecular forces are strong enough to hold the particles in place? | [
"solids",
"gases",
"fluids",
"plasmas"
] | solids | sciq |
fec3328a-7d98-43e3-8b4e-522ab9cd349e | What is the term for a natural situation which arises to physically divide organisms? | [
"vicariance",
"assimilation",
"reproduction",
"extinction"
] | vicariance | sciq |
68fcf143-84bb-401a-84c6-53817edf3d2d | Digestion of carbohydrates is performed by several enzymes. starch and glycogen are broken down into glucose by amylase and maltase. sucrose (table sugar) and lactose (milk sugar) are broken down by sucrase and this? | [
"lactase",
"lipase",
"hydrolase",
"pepsin"
] | lactase | sciq |
b6e39485-112c-4c40-9afd-e8de755b9d7d | What is defined as a phasic change in muscle tone? | [
"susceptibility",
"gastrointestinal",
"elasticity",
"spasticity"
] | spasticity | sciq |
d4e363a2-75d9-42f1-b4f6-dcae9c1c4552 | What is a force that opposes motion between any surfaces that are touching? | [
"gravity",
"tension",
"friction",
"vibration"
] | friction | sciq |
227f0142-c51c-467a-be77-477cef7d6046 | What are structures that have a common function and suggest common ancestry? | [
"monogamous structures",
"reversible structures",
"analogous structures",
"homologous structures"
] | homologous structures | sciq |
e2bc26a0-8963-4dff-a68f-6375d771ac64 | Which type of cell division halves the number of chromosomes? | [
"budding",
"mitosis",
"fragmentation",
"meiosis"
] | meiosis | sciq |
96cf10b2-adcf-436c-af45-cecf65fe8824 | Objects in motion that return to the same position after a fixed period of time are said to be in what? | [
"resonant motion",
"harmonic motion",
"homeostasis",
"kinetic motion"
] | harmonic motion | sciq |
fd78c355-c78b-4769-b0e3-71144c2b23f0 | What is the relationship of multiple action potentials from a single cell resulting in a significant change in the membrane potential? | [
"distinct summation",
"nature summation",
"bipolar summation",
"temporal summation"
] | temporal summation | sciq |
59e43eaa-bad3-4e72-a400-7a4216446d86 | Plant cells have cell walls that are made of what? | [
"nucleus",
"cellulose",
"carbonate",
"tissue"
] | cellulose | sciq |
fdd20c58-0bb0-462c-baad-34dcb1f50091 | What disease associated with smoking involves breakdown of walls of the alveoli, resulting in less gas exchange by the lungs? | [
"emphysema",
"cancer",
"leukemia",
"pneumonia"
] | emphysema | sciq |
858636e1-987d-441f-bc8d-cc27c7cc0378 | Molds and yeasts are organisms in what kingdom? | [
"aquatic",
"tissues",
"insects",
"fungus"
] | fungus | sciq |
61e52e44-bd13-4886-8d38-80e52533df72 | Bacteria can be used to make cheese from milk. the bacteria turn the milk sugars into what? | [
"acetic acid",
"ionic acid",
"lactic acid",
"hydrochloric acid"
] | lactic acid | sciq |
61210bd7-80aa-4012-8095-930c2d54317f | Independent assortment occurs when what go to opposite poles of the cell in anaphase i? | [
"ballasts",
"receptors",
"chromosomes",
"prokaryotes"
] | chromosomes | sciq |
0b05ecb5-60d4-45d5-80cf-6421b6b1716d | What term is used to describe an immunity that occurs after exposure to an antigen either from a pathogen or a vaccination? | [
"autoimmunity",
"herd immunity",
"adaptive immunity",
"variation immunity"
] | adaptive immunity | sciq |
743ac22f-de12-4da4-91e1-b1c5b3602551 | Changes in temperature, ph, and exposure to chemicals may lead to permanent changes in the shape of a protein, leading to loss of function known as what? | [
"bioturbation",
"digestion",
"denaturation",
"fermentation"
] | denaturation | sciq |
7e66f97f-266f-48ea-82d8-a8a4059a0710 | What term is used to describe phages capable of using both modes of replicating within a bacterium? | [
"moderate phages",
"temperate phages",
"bacteriophage",
"lambda phage"
] | temperate phages | sciq |
6b509a41-f016-4a36-b200-379fb6c640c8 | Many observatories are built on high mountains to avoid interference from what? | [
"airplanes",
"animal life",
"artificial light",
"the atmosphere"
] | the atmosphere | sciq |
1d6845c0-aa10-4ea7-9fbd-f8ef2265a394 | Like earth, the moon has a distinct crust, mantle, and what else? | [
"temperature",
"atmosphere",
"polarity",
"core"
] | core | sciq |
1c9099be-ab60-49ef-afe1-abb85aff31e6 | Reflection, refraction, and diffraction are examples of what type of interaction? | [
"winds",
"waves",
"Currents",
"Oscillations"
] | waves | sciq |
d3b64b97-a4bd-46d6-86e6-0e3391c51109 | What type of molecules are found in the hydration shell of a dissolved ion? | [
"water",
"oxygen",
"carbon",
"iron"
] | water | sciq |
ad00a948-37f4-4a57-98a8-a5c2629064cf | Tuataras, lizards, and snakes are members of what subclass of reptiles? | [
"arthropods",
"lepidosaurs",
"dinosaurs",
"staurikosaurus"
] | lepidosaurs | sciq |
f6dc4153-e16a-4900-a91a-04f89013d992 | What do waves deposit in relatively quiet areas along a shore? | [
"snow",
"sand",
"fish",
"mud"
] | sand | sciq |
4cd07e4d-abd8-4012-b0b0-e6dcf7cc5018 | What is the smallest unit of structure and function of all living organisms? | [
"cell",
"atom",
"particle",
"proton"
] | cell | sciq |
9510c493-c5a3-462a-aff6-4d269864f8a5 | What kind of fertilization do birds have? | [
"internal fertilization",
"deep fertilization",
"asexual",
"sensitive fertilization"
] | internal fertilization | sciq |
b82e2a14-2024-46c8-8936-42a2d7893a07 | What is the term for an organism, or single living thing? | [
"loner",
"individual",
"unique",
"single-celled organism"
] | individual | sciq |
f73d77fc-6c69-400c-ab86-cd16bcbeea61 | Which of newton's laws states that the quantity of angular momentum in a closed system is fixed? | [
"third conservation law",
"second conservation law",
"fourth conservation law",
"sixth conservation law"
] | third conservation law | sciq |
23b40819-d00b-4c5f-befd-25e5386a3117 | What is the force that slows down or stops motion? | [
"thrust",
"friction",
"tension",
"resistance"
] | friction | sciq |
075d3b59-6538-4326-bb2a-7171227d978c | What is it called when poles are in opposite positions? | [
"reversed polarity",
"reversed bonding",
"demagnetization",
"polar effect"
] | reversed polarity | sciq |
9b35efbe-4ff3-4523-bec0-2a55fd33310a | What is a feature that prokaryotes lack? | [
"nucleus",
"plasma",
"epidermis",
"cell wall"
] | nucleus | sciq |
cf81cf0c-ea7a-4a30-b49c-44f9471dacf3 | They had demonstrated that particles smaller than bacteria cause what? | [
"disease",
"flight",
"damage",
"blood"
] | disease | sciq |
94397517-f21e-4615-bc43-5bd1c8d07611 | The wrist and base of the hand are formed by what series of small bones arranged in distal and proximal rows? | [
"patella",
"carpal",
"ribs",
"cranial"
] | carpal | sciq |
d5e491b5-ec99-480f-a539-e033ffd544bb | What does an underwater spider use to breathe and keep alive? | [
"metallic air bubble",
"forehead air bubble",
"shiny air bubble",
"gills"
] | shiny air bubble | sciq |
bb1bd9a2-d06a-4ba9-9c57-3757f2d337d6 | Amphibians are ectothermic vertebrates that divide their time between freshwater and what else? | [
"terrestrial habitats",
"arboreal habitats",
"saltwater",
"deserts"
] | terrestrial habitats | sciq |
68cc2f4b-8a9d-4147-9b77-1ebea0fb4a88 | Water plus other substances makes what? | [
"element",
"solution",
"oil",
"mixture"
] | solution | sciq |
3577a110-0d2d-4681-81d9-4c41c9336737 | What type of polarization does a negative object create> | [
"common polarization",
"negative polarization",
"simple polarization",
"opposite polarization"
] | opposite polarization | sciq |
03c7c19a-86a9-4c6a-9a10-e7a9994e0629 | What type of particles can a beta particle be? | [
"cytoplasm or positron",
"anode or positron",
"electron or positron",
"diode or positron"
] | electron or positron | sciq |
81c7e521-6469-4935-9b99-fa9676b33622 | The heme parts of a hemoglobin molecule bind with what element? | [
"hydrogen",
"oxygen",
"carbon",
"nitrogen"
] | oxygen | sciq |
34024102-23cc-43bd-9d03-bee86224792d | What is the term for flowering seed plants? | [
"perennials",
"gymnosperms",
"spores",
"angiosperms"
] | angiosperms | sciq |
87d9d211-6467-4db4-a5ed-8356489786a5 | Do nonvascular or vascular plants have a dominant sporophyte generation? | [
"vascular",
"nonvascular",
"perennial",
"deciduous"
] | vascular | sciq |
7d8ecb36-1156-448e-9c56-eeaee30f94ad | In mismatch repair, other enzymes remove and replace incorrectly paired nucleotides that have resulted from what? | [
"evolution errors",
"typing errors",
"interaction errors",
"replication errors"
] | replication errors | sciq |
4ed1afbd-6fba-4085-9a0c-699844ad108e | What two structures are found on mars? | [
"Mountains and Creeks",
"Trees and Canyons",
"volcanoes and canyons",
"geysers and canyons"
] | volcanoes and canyons | sciq |
cd2cf6c9-c861-4669-963d-a3dc4714df8a | What substances dissociate into ions when dissolved in water? | [
"isotopes",
"magnetic",
"ionic",
"solvent"
] | ionic | sciq |
da55ddb4-f343-4103-98f6-ea11b0e97e92 | Organisms that depend on other organisms for food play what role in the food chain? | [
"producer",
"consumer",
"plant",
"fungus"
] | consumer | sciq |
14017727-0e99-4564-b059-4cd6046f22ab | What is the growing root tip protected by? | [
"root cap",
"tip cap",
"root hinge",
"root flap"
] | root cap | sciq |
817d2965-ccd8-44d9-9554-f01274fd14ef | Ocean water appears cyan because microbes in the water preferentially absorb what color of light? | [
"green",
"blue",
"red",
"yellow"
] | red | sciq |
6fdc88ba-c77a-4b2e-a283-c51efba86a7b | Both energy and heat can be expressed in units of what? | [
"joules",
"amperes",
"ohms",
"velocities"
] | joules | sciq |
0a1d78cf-9be1-4c67-8a9a-7dfd9782db96 | In fact, when sitting in the sun, many ectothermic lizards have higher body temperatures than what? | [
"mammals",
"primates",
"carnivores",
"insects"
] | mammals | sciq |
890634f3-adb2-46ce-8af9-7d8f6dd69a51 | In binary fission how many times does a cell split? | [
"two",
"one",
"six",
"four"
] | two | sciq |
e58831cd-387b-4d00-8517-f4921d392ef1 | What do nonvascular plants reproduce with? | [
"toxins",
"photosynthesis",
"vascular plants",
"spores"
] | spores | sciq |
4be12e9e-d368-49a8-9749-07157d0aa214 | The most powerful or influential individual in a group is sometimes called what? | [
"dominant",
"beta",
"superior",
"gamma"
] | dominant | sciq |
75e3c1cc-ad79-4211-b9b0-21a77b4db634 | What is the first stage of cellular respiration? | [
"glycolysis",
"photosynthesis",
"hydrolysis",
"amniocentesis"
] | glycolysis | sciq |
a4098482-a530-4511-ab14-7de2779d28ff | In which direction does heat always flow through objects? | [
"from left to right",
"from low to high",
"from cooler to hotter",
"from hotter to cooler"
] | from hotter to cooler | sciq |
e8b4c1fb-d5c4-4385-a30b-17d5ccd23ada | Like sharks, nearly the entire human skeleton during a specific pre-birth developmental stage is made of what connective tissue? | [
"phloem",
"collagen",
"chloroplasm",
"cartilage"
] | cartilage | sciq |
06bb65f9-2f31-496f-b409-fa0c5f0f6333 | When this forms underground, volcanoes rise? | [
"pumice",
"CO2",
"soil",
"magma"
] | magma | sciq |
b15d72a6-51a9-447f-b54c-8735fef021b3 | Hormones produced by what gland in the neck increase the rate of metabolism in cells throughout the body? | [
"kidney",
"pituitary",
"thyroid",
"thymus"
] | thyroid | sciq |
5cab44d5-6cc3-43ad-8c30-b6e0aa205eca | When the ventricles begin to contract, pressure within the ventricles rises and blood flows toward the area of lowest pressure, which is initially in the atria. this backflow causes the cusps of the tricuspid and mitral (bicuspid) valves to close. these valves are tied down to the papillary muscles by these? | [
"chordae tendineae",
"choanocyte tendineae",
"chollphyide tendineae",
"photoreactive tendineae"
] | chordae tendineae | sciq |
b9f2195e-17a2-4b6f-841e-d9d2ee4a01e4 | What is the skin of most reptiles covered with? | [
"scales",
"hairs",
"cuticle",
"pores"
] | scales | sciq |
85a63aab-4123-4b9c-8c0a-e2fbc47cf804 | Gasoline, natural gas, fuel oil, diesel fuel, jet fuel, coal, kerosene, and propane are examples of what type of fule? | [
"electrolysis fuel",
"polymerization fuel",
"nuclear fue",
"hydrocarbon fuel"
] | hydrocarbon fuel | sciq |
62aab2ef-8c4c-465a-807c-ff853678c0e5 | Nearly all life processes depend on what substance, which is involved in biochemical reactions? | [
"water",
"hydrocarbons",
"food",
"air"
] | water | sciq |
e40c97da-2c47-4dbb-b688-78ca7ae3a25f | What has increased in the atmosphere throughout the history of the earth? | [
"wind",
"oxygen",
"carbon",
"nitrogen"
] | oxygen | sciq |
288a4249-8fc9-4b13-81a7-30178b99d06f | Which two states of matter have definite volumes? | [
"contrasts and liquids",
"GAS AND LIQUIDS",
"solids and liquids",
"bacteria and liquids"
] | solids and liquids | sciq |
c5ca524d-5974-4b30-a574-b35e8b67ba58 | Tendon, cartilage, and bone are examples of what type of tissue that supports and binds other tissues of the body? | [
"untreated tissue",
"connective tissue",
"repetitive tissue",
"muscular tissue"
] | connective tissue | sciq |
a6fc988a-0862-4757-ba51-83309072cd5f | What is the sac-like organ at the end of the esophagus? | [
"larynx",
"stomach",
"appendix",
"rectum"
] | stomach | sciq |
366e292d-c792-4063-8876-308f767514ac | Which class of acids acetic acid (ch 3 cooh) belongs to? | [
"anorganic acids",
"strong acids",
"organic acids",
"common acids"
] | organic acids | sciq |
debfd1cf-bd3c-46af-b90f-3d63c053c9b4 | What happens to the total energy of the system when heat is positive? | [
"nothing",
"it increases",
"it remains constant",
"it decreases"
] | it increases | sciq |
2f60d325-8c8a-4544-a214-57dc99773ead | What type of species can alternate between medusa and polyp forms? | [
"crocodilian",
"cnidarian",
"mollusks",
"chordata"
] | cnidarian | sciq |
ccf2ca32-974e-43da-a6eb-81d9b7108d8a | Extensive and intensive are categories of properties that apply to what? | [
"matter",
"height",
"volume",
"weight"
] | matter | sciq |
17d763d2-fefe-4049-8496-8b0cbaa4a718 | The vertebrate circulatory system enables blood to deliver ________ and remove wastes throughout the body. | [
"oxygen and nutrients",
"acid and nutrients",
"hydrogen and nutrients",
"fluid and nutrients"
] | oxygen and nutrients | sciq |
2b535dd4-81f8-4e47-90ae-2d1443d3466f | By what kind of change can a chemical change be reversed? | [
"another radioactive change",
"another carbon change",
"another thermal change",
"another chemical change"
] | another chemical change | sciq |
ef24ed5c-0b37-4a24-a9e8-d2e3f488ac89 | Earthquakes at convergent plate boundaries mark the location of the what? | [
"subducting lithosphere",
"abducting lithosphere",
"speeding lithosphere",
"shorting lithosphere"
] | subducting lithosphere | sciq |
64cbd457-4154-49cc-ba77-663f3f607b6e | New seafloor forms when what object cools? | [
"rain",
"lava",
"ash",
"debris"
] | lava | sciq |
5c14f310-bf76-453d-88bb-2efd2d0b4611 | What are groups of atoms that behave as a single unit called? | [
"ions",
"protons",
"particles",
"molecules"
] | molecules | sciq |
3674d3ef-1ba8-432b-8691-e61aa7a8831c | Hormones cause cellular changes by binding to receptors on these? | [
"reach cells",
"target cells",
"fighter cells",
"able cells"
] | target cells | sciq |
928ff858-19b5-4b73-b7ff-8a28da2ba7e5 | Food provides what type of energy needed by organisms, which is stored in bonds? | [
"caffeine",
"calories",
"radiation energy",
"chemical energy"
] | chemical energy | sciq |
32b886c9-9be8-4cf7-9fc4-1c14ee1d2d22 | Catabolic reactions involve breaking what? | [
"levels",
"bonds",
"metals",
"molecules"
] | bonds | sciq |
8108833c-97b7-4880-ab0b-71ce35ad2f59 | Scientists explain the world based on what? | [
"observations",
"patterns",
"changes",
"theories"
] | observations | sciq |
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