id string | question string | choices list | answer_key string | source string |
|---|---|---|---|---|
8a4ff40d-445d-4684-a9b7-80d9f5b59808 | Cell transport refers to the movement of substances across what structure? | [
"cell membrane",
"phloem",
"chloroplasm",
"cell wall"
] | cell membrane | sciq |
cb47ffd4-7180-4c55-bc61-c4dd98774888 | What term describes the rate at which a device changes electric current to another form of energy? | [
"kilowatts",
"kinetic energy",
"voltage",
"electric power"
] | electric power | sciq |
6208c170-da2c-4fdd-be97-a8732bf12d1e | What happens when a sodium atom loses an electron? | [
"gains a proton",
"becomes sodium ion",
"combines with hydrogen",
"becomes calcium"
] | becomes sodium ion | sciq |
f89ce09a-6157-409e-babc-8c509bfefee7 | When a fluorine atom gains an electron, it becomes a negative what? | [
"hydrogen ion",
"sulfide ion",
"potassium ion",
"fluoride ion"
] | fluoride ion | sciq |
9dbcae73-9c84-4fdc-9a79-50ee37232262 | The endocrine system consists of cells, tissues, and organs that secrete what critical to homeostasis? | [
"acids",
"antibodies",
"hormones",
"saliva"
] | hormones | sciq |
45415b4d-3607-44a1-8708-b7caecc854bf | What is formed when two dna strands link together in an antiparallel direction and are twisted? | [
"double helix",
"RNA",
"anti-helix",
"guanine"
] | double helix | sciq |
06eb1402-2f32-47b5-bcca-9789f464aee3 | Particles of a gas are constantly moving and bumping into things. this gives gases what? | [
"strength",
"velocity",
"pressure",
"resistance"
] | pressure | sciq |
7d5c44e8-b26f-4f2b-8262-c1757aac3845 | Which part of a leaf contains openings known as stomata, through which the exchange of gases takes place? | [
"cuticle",
"phloem",
"epidermis",
"stoma"
] | epidermis | sciq |
35710f65-8ae8-40cb-9d0b-427403118076 | Which system transports oxygens to cells? | [
"nervous system",
"circulatory system",
"oxy system",
"vascular system"
] | circulatory system | sciq |
c5009501-e8fb-4718-85ed-321533a7d878 | What is the part of a plant whose primary role is to collect sunlight and make food by photosynthesis? | [
"roots",
"leaves",
"stems",
"seeds"
] | leaves | sciq |
61e5e1f3-ac97-4c90-9a79-e7b035fbc165 | Technically, any redox reaction can be set up to make a what? | [
"skaht cell",
"Black Cell",
"blocky cell",
"voltaic cell"
] | voltaic cell | sciq |
6d6ebce1-ca1f-49b9-9dbf-b38a9a797b5f | What percentage of all species that ever lived on earth have gone extinct? | [
"25%",
"50%",
"93 %",
"99%"
] | 99% | sciq |
ddd2102f-62e2-41d1-acb3-6d75dfeb301a | What is the diffusion of water known as? | [
"hemostasis",
"osmosis",
"evaporation",
"electrolysis"
] | osmosis | sciq |
e3d58c50-e4bf-4fd9-98de-e649198b0bb0 | What is it called when plants release water vapor through their leaves? | [
"evaporation",
"eutrophication",
"photosynthesis",
"transpiration"
] | transpiration | sciq |
5a6dedde-728a-402b-92fd-0384068f2729 | Earth goes through regular changes in its position relative to? | [
"the moon",
"mars",
"the sun",
"saturn"
] | the sun | sciq |
ca966ec0-fe55-487b-a6c4-e481c85171fb | A symporter carries how many different molecules or ions in the same direction? | [
"two",
"one",
"four",
"three"
] | two | sciq |
92651d9e-b853-41d0-9648-ae288ad1c5cb | Large amounts of fuel are stored in skeletal muscles, adipose tissues and what organ? | [
"kidney",
"liver",
"skin",
"spleen"
] | liver | sciq |
7ebc609f-cae2-4403-b925-b43bf77bf23a | Intrusive igneous rocks cool from magma slowly in the crust and have large what? | [
"atoms",
"coal deposits",
"pores",
"crystals"
] | crystals | sciq |
ba5a72bb-a7c0-4296-8760-b327942a7f10 | What is the term used for the ability of salamanders to grow back lost limbs and other body parts? | [
"transformation",
"expansion",
"regeneration",
"extraction"
] | regeneration | sciq |
d70c4a52-6a3d-4658-b7ae-a117b0291319 | A winter storm is called what? | [
"snow storm",
"blizzard",
"tempest",
"gale"
] | blizzard | sciq |
0eba5c97-dfa7-49e0-b8e6-d0a13881e687 | The trochophre, a unique larval form, is found in the life cycle of which animal classification. | [
"mollusks",
"sharks",
"coral",
"eels"
] | mollusks | sciq |
609122a6-a710-410a-9338-7bba5f8403cb | Within organs, arteries branch into what small vessels that convey blood to the capillaries? | [
"blood valves",
"arterioles",
"Metarterioles",
"aeortic vessels"
] | arterioles | sciq |
b5348178-e6f1-4acd-a3d8-867d6b25b456 | Diamond is extremely hard because of the strong bonding between ______ in all directions? | [
"liquid atoms",
"hydrogen atoms",
"carbon atoms",
"consistent atoms"
] | carbon atoms | sciq |
ac2a34e0-96ea-4b01-8cb2-e5b97b148d56 | Vertebrates. from the smallest of fish to us. one of the main features we all have in common is our what? | [
"warm blood",
"laying eggs",
"backbone",
"hair"
] | backbone | sciq |
bb1d07dd-4d53-4a23-acc4-ae1ee8e2d25f | The fight or flight response and similar responses are controlled by what part of the nervous system? | [
"cells",
"central nervous system",
"spinal cord",
"autonomous"
] | autonomous | sciq |
597e70f2-9141-4ffb-93e4-332138804a44 | Deposition refers to when a gas changes to what state? | [
"half liquid half gas",
"liquid",
"solid",
"plasma"
] | solid | sciq |
a1bba37d-8b11-478b-881c-676486c59b08 | Nuclear changes occur with a simultaneous release of what, and a slight drop in mass? | [
"mineral",
"hydrogen",
"energy",
"oil"
] | energy | sciq |
e2e9c536-4fb5-49df-93bd-19901881c5a8 | The way of learning that involves reward and punishment is called? | [
"foolish",
"mixed",
"conditioning",
"pressure"
] | conditioning | sciq |
7b8b9e7e-9651-4d5e-ad84-c0b3e34727c5 | The sodium-potassium pump is an active transport pump that exchanges sodium ions for what? | [
"chlorine ions",
"nitrogen ions",
"oxygen ions",
"potassium ions"
] | potassium ions | sciq |
1a3e31c8-aefb-4adb-96f4-1343231567fe | Mass multiplied by velocity equals what force? | [
"kinetic energy",
"momentum",
"bounce",
"inertia"
] | momentum | sciq |
6df497a6-d26e-493a-8f8c-1fcac9bcb770 | How many years ago did early amniotes diverge into two groups? | [
"20 million years",
".416 million years",
".175 million years",
"320 million years"
] | 320 million years | sciq |
65027659-8525-496a-bbfd-b30ff74a29b7 | The intensity or rate of radiation emission _________ with temperature? | [
"randomly fluctuates",
"increases",
"decreases",
"does not vary"
] | increases | sciq |
607a0689-e226-4cd2-9d24-1c6f7e1dba2a | For the most part, cognitive functions reside where? | [
"the heart",
"the limbic system",
"the cortex",
"the spine"
] | the cortex | sciq |
f6d428bf-3b89-439b-b31c-ecabb4eae138 | What is the term for the force exerted by circulating blood on the walls of blood vessels? | [
"circulation pressure",
"blood energy",
"blood pressure",
"heart pressure"
] | blood pressure | sciq |
d0efa6ee-ab3e-474d-b876-50244b590f29 | What does the precise pattern of a crystal depend on? | [
"mass",
"compound",
"age",
"chance"
] | compound | sciq |
c7ec5cf6-115a-48c5-89cc-faf9c8547c25 | Learning to get used to something after being exposed to it for a while is associated with what kind of learning? | [
"association",
"habituation",
"assimilation",
"dissociation"
] | habituation | sciq |
d6e2833a-68b6-4331-b08a-d82a2346ade8 | Is the digestive tract of many sharks longer or shorter than many other vertebrates? | [
"heavier",
"narrower",
"shorter",
"longer"
] | shorter | sciq |
b0e0f092-064a-4721-9ff5-698f88e2c1c0 | In the case of the thyroid hormone pathway, thyroid hormone itself carries out what kind of feedback? | [
"positive",
"negative",
"continued",
"effective"
] | negative | sciq |
a9add719-4405-4958-810e-17297076372c | What increases the size of a population's gene pool? | [
"microbes",
"mass extinction",
"mutations",
"natural selection"
] | mutations | sciq |
28fd0c32-75a1-4736-a520-0918a80c81fd | The heart and the arteries and veins are associated with what system of the body? | [
"metabolism",
"respiration",
"cardiovascular",
"digestion"
] | cardiovascular | sciq |
9dea4735-e502-4ac8-93d5-225fc644aa22 | What do scientists believe are the oldest eukaryotes? | [
"worms",
"arthropods",
"protists",
"prokaryotes"
] | protists | sciq |
e819b3b0-3ce4-4bd6-a89f-3cbf2bd3574b | What are used to balance chemical equations? | [
"isotopes",
"coefficients",
"densities",
"outputs"
] | coefficients | sciq |
6877526a-cbc2-48e1-9e64-7ada885923e0 | Endothermic and exothermic reactions differ in whether the products or reactants store more of what? | [
"Kinetic Energy",
"Motion energy",
"Thermal energy",
"chemical energy"
] | chemical energy | sciq |
ca2225f2-c259-4147-bff4-b161fba1c210 | What is the conversion of metals from their ores to more useful forms called? | [
"nanotechnology",
"crystallography",
"thermodynamics",
"metallurgy"
] | metallurgy | sciq |
d2216bae-0052-410e-8a7a-cbc5fe1e6b87 | What is the predominant stage in the life cycle of most scyphozoans? | [
"spore",
"hydra",
"medusa",
"gamete"
] | medusa | sciq |
f5883547-cc8e-47a1-aa69-a48e71074f98 | The reaction of an alkyl halide with an inorganic hydroxide base at elevated temperature produces what? | [
"methane",
"an alcohol",
"yeast",
"blood"
] | an alcohol | sciq |
ef0bb1d1-606c-4138-b330-f239bebf3321 | What sequence is the primary structure of a protein? | [
"proteins acid sequence",
"nucleic acid sequence",
"processed acid sequence",
"amino acid sequence"
] | amino acid sequence | sciq |
aeb48a53-10e9-4a19-835d-1dbf51300d89 | What are used to lift large masses of magnetic materials such as scrap iron, rolls of steel, and auto parts? | [
"Tape",
"Glue",
"electromagnets",
"screws"
] | electromagnets | sciq |
9dd4b9b5-3cd5-4d79-ac5d-6ad61c8b7635 | Carbon behaves as a metal because it conducts which two things well? | [
"heat and water",
"electricity and oxygen",
"heat and magnetism",
"heat and electricity"
] | heat and electricity | sciq |
0d07ebb9-f53b-49f2-bb11-b540b2516d58 | What is the first direct action of growth hormone? | [
"stimulation of triglyceride production",
"stimulation of triglyceride breakdown",
"stimulation of monoglyceride breakdown",
"stimulation of monoglyceride production"
] | stimulation of triglyceride breakdown | sciq |
622fa3c5-c423-4b73-9b33-258e54e9019d | What contains the spore-forming asci? | [
"flagella",
"sporozoa",
"the ascocarps",
"mushroom cap"
] | the ascocarps | sciq |
7227d81b-d07d-41ab-83de-ca58ef2c41b4 | Fruit fly and brine shrimp hox genes have evolved independently for how long? | [
"60.000 million years",
"one billion",
"400 million years",
"100.32 million years"
] | 400 million years | sciq |
28589af1-4451-479d-b255-c2e469ffbcc4 | Yolk is a very fragile substance found in the eggs of reptiles and needs protection. what serves as protection for the yolk? | [
"eye sac",
"yolk sac",
"fish sac",
"dish sac"
] | yolk sac | sciq |
142c6dcd-7e44-4623-8925-ef826c74a42c | What do tadpoles change into? | [
"adult frogs",
"toads",
"mud puppies",
"reptiles"
] | adult frogs | sciq |
33c77093-e7f2-4597-bed2-cf0d1ff55fae | Earthworms and segmented worms belong to what phylum? | [
"protazoa",
"nematoda",
"annelida",
"bryozoa"
] | annelida | sciq |
90ff5a92-d838-4012-8af6-ef9083e6035f | What are most stis caused by? | [
"bacteria",
"parasites",
"viruses",
"vaccines"
] | bacteria | sciq |
2670f8f8-461f-448e-9fa7-4e7c7c2b0556 | What is the term for matter that does not let any light pass through it, whether it absorbs light, reflects light, or does both? | [
"obscene",
"devoid",
"opaque",
"artificial"
] | opaque | sciq |
74eb73b9-67a4-4da2-9456-c6a72411426b | Rain dissolves fertilizer in the soil, what carries it away? | [
"carbon ?",
"fossils",
"clouds",
"runoff?"
] | runoff? | sciq |
6a526ba3-1352-4a90-836e-74bc889b9574 | Each vertebral body has a large hole in the center through which the nerves of what pass? | [
"layers cord",
"Brain Cord",
"steering cord",
"spinal cord"
] | spinal cord | sciq |
99cd65ee-7db9-4683-88fe-c2e78a103dfc | Rust consists of oxides of what element? | [
"Copper",
"Gold",
"Aluminum",
"iron"
] | iron | sciq |
d4c816cb-d038-4fba-a8e1-fb73724412ae | Rising air currents carry water vapor into what? | [
"atmosphere",
"ionosphere",
"troposphere",
"stratosphere"
] | atmosphere | sciq |
9319e22c-bf24-468e-8979-cca4a7d6bdb6 | Echinoderms have what type of body symmetry? | [
"Reflectional symmetry",
"Translational symmetry",
"radial symmetry",
"Rotational symmetry"
] | radial symmetry | sciq |
8ab7d3f2-e156-4254-9488-370c5ab4e07d | What is used during filtration to push fluids and solutes, from higher pressure areas to lower pressure areas? | [
"constructs pressure gradient",
"hydrostatic pressure gradient",
"magnesium pressure gradient",
"limited pressure gradient"
] | hydrostatic pressure gradient | sciq |
080982cf-5ecf-417e-a918-00d680fd8855 | How many pathways do plants have for carbon fixation? | [
"three",
"one",
"two",
"four"
] | three | sciq |
09bac5bd-cc21-4166-8483-3b80b29c04ff | What type of substance is any matter that has a fixed chemical composition and characteristic properties? | [
"seawater chemical substance",
"versatile chemical substance",
"physical substance",
"pure chemical substance"
] | pure chemical substance | sciq |
3aaefbe5-c408-48d1-8e53-3283b2dc0a1d | Where are sperm produced in the process of spermatogenesis? | [
"ovaries",
"penis",
"testes",
"intestines"
] | testes | sciq |
07611116-6356-4348-903a-c05faf2cc307 | What type of energy does chemosynthesis use to make food? | [
"GRAVITATIONAL energy",
"carbon energy",
"chemical energy",
"CHEMICAL energy"
] | chemical energy | sciq |
8a1d3449-47dc-4c3a-a3b7-924fd842981b | The polymerase chain reaction is a way of making copies of what? | [
"an enzyme",
"a method",
"a form",
"a gene"
] | a gene | sciq |
d20b2578-0471-477a-996f-c28b91d9078c | Energy transfer between what kinds of levels is generally rather inefficient? | [
"producer",
"trophic",
"apex",
"secondary"
] | trophic | sciq |
954c208e-1461-4bc6-8172-f7215b81a8cf | What kind of conditions are often inherited as simple recessive traits? | [
"genetic diversivers",
"genetic disorders",
"genetic neurotransmitters",
"genetic ratios"
] | genetic disorders | sciq |
bdaa18c1-3063-4ef7-8b8c-40a2b84a3e2d | Without dinoflagellate symbionts, corals lose algal pigments in a process called coral bleaching and eventually die, while corals in turn provide protection, making this what type of relationship?. | [
"idealistic",
"symbiotic",
"parasitic",
"semantic"
] | symbiotic | sciq |
47b70a0b-0730-4cdf-8438-aa52af0b2569 | What is the type of reproduction where part of the parent plant is used to generate a new plant? | [
"byproduct reproduction",
"asexual reproduction",
"sexual reproduction",
"coaxed reproduction"
] | asexual reproduction | sciq |
e81cc4d0-6d57-4a9a-8bad-e39a8f4527cc | What is the name of the wind belt nearest the equator? | [
"cyclones",
"trade winds",
"doldrums",
"tropical gusts"
] | trade winds | sciq |
e236a18e-8393-4f2d-b863-dc121f2f4a75 | What two phases does the cell cycle consist of? | [
"interphase and mitotic",
"mitosis and mitotic",
"outerphase and mitotic",
"antecedent and mitotic"
] | interphase and mitotic | sciq |
0b27c022-cb84-40b9-95b3-03d1e85e0659 | Atoms with the same atomic number but different mass numbers are called what? | [
"isotopes",
"reactions",
"organisms",
"tropes"
] | isotopes | sciq |
cb4e8cb0-cf6b-4d44-b614-597a068a2f25 | Sphenodontia sphenodontia (“wedge tooth”) arose in the mesozoic era and includes only one of what? | [
"traveling genus",
"inner genus",
"living genus",
"outside genus"
] | living genus | sciq |
071d49cd-aa31-46d1-9f1c-c4ed735853f7 | In a heterozygote with one dominant and one recessive allele, which is expressed? | [
"dominant allele",
"dominant atoms",
"dominant elements",
"submissive allele"
] | dominant allele | sciq |
1f1b6a72-4354-462b-b39d-dc3e9c5bd1b6 | Any sound with a frequency above the highest audible frequency is defined as what, a phenomenon useful in medical diagnosis and therapy? | [
"radiation",
"extrasound",
"ultrasound",
"laser"
] | ultrasound | sciq |
5e796aea-5b4d-412a-a7d8-52591d58c861 | Which organ secretes estrogen? | [
"the testes",
"the thyroid",
"the kidney",
"the ovaries"
] | the ovaries | sciq |
d47d72ff-8920-490d-a4ef-6cfc8863b8e2 | Water-soluble carboxylic acids ionize slightly in water to form these? | [
"solvents",
"nonacidic solutions",
"very acidic solutions",
"moderately acidic solutions"
] | moderately acidic solutions | sciq |
64022699-2a1b-4db5-850b-a1d58e5b74c1 | Which kind of irrigation uses much less water than other methods? | [
"mist",
"constant",
"solar",
"drip"
] | drip | sciq |
b1705276-e33f-4cd9-b692-486d567cee43 | Fishes were the earliest example of what subphylum, and jawless fishes were the earliest of these? | [
"vertebrates",
"ferns",
"grasses",
"mammals"
] | vertebrates | sciq |
d28c6603-435b-4404-bb9e-c3a22e049bf9 | What three things do animals require in order to survive? | [
"air, water, food",
"Immunity, blood, water",
"Sex, Love, Food",
"Shelter, Food and love"
] | air, water, food | sciq |
401ee048-8133-4b4c-9f0d-43773d08f451 | What is broken during catabolic reactions, such as the breakdown of complex carbohydrates into simple sugars? | [
"forms",
"ions",
"bonds",
"metals"
] | bonds | sciq |
608f056b-d671-4691-b174-9e2141cba81e | The actual amount (mass) of gasoline left in the tank when the gauge hits “empty” is a lot less in the summer than in the winter. the gasoline has the same volume as it does in the winter when the “add fuel” light goes on, but because the gasoline has expanded, there is what? | [
"more mass",
"less mass",
"same mass",
"lower gravity"
] | less mass | sciq |
28b26483-2ebc-4a87-a01c-9e9c2888b605 | What do you call pure substances with unique properties? | [
"structures",
"arrangements",
"elements",
"originals"
] | elements | sciq |
ec918c4e-c33f-4849-9fba-6c0cdac9f2ad | What is the large muscle that extends across the bottom of the chest below the lungs called? | [
"abdomen",
"uterus",
"diaphragm",
"pectoral"
] | diaphragm | sciq |
4d285cc7-1b72-41bc-ae37-7df44affb529 | What is less dense then either solids or liquids? | [
"gases",
"plasma",
"ice",
"dark matter"
] | gases | sciq |
84f9bf71-80ab-40c4-819e-d6af0e19c372 | What is the term for a mountain-building event? | [
"erosion",
"glaciation",
"orogeny",
"volcanism"
] | orogeny | sciq |
3d8b9cf9-2694-44a2-83a1-a227c2e08a48 | A multiaxial ball-and-socket joint has much more mobility than a what hinge joint? | [
"biaxial",
"uniaxial",
"triaxial",
"quadaxial"
] | uniaxial | sciq |
eefb222f-8f05-4305-994c-5e47f024e774 | Meiosis and mitosis are both preceded by one round of what? | [
"internal fertilization",
"dna replication",
"germination",
"cellular respiration"
] | dna replication | sciq |
73b7a02f-4d97-4545-a841-f6538770d187 | What is the hollow sac like organ that stores urine until it is excreted? | [
"kidney",
"bladder",
"ureter",
"tumor"
] | bladder | sciq |
bc34ad44-54b3-4a3d-b735-f30fdd21acd3 | What is the name of the magnetic material found in lava? | [
"magnemite",
"hemoglobin",
"magnetite",
"meteorite"
] | magnetite | sciq |
b70a745f-0a74-4301-ae84-3d1e68e5355d | What is a branded polymer that serves as energy storage in animal? | [
"pathogen",
"triglyceride",
"glycogen",
"hydrocarbon"
] | glycogen | sciq |
599a1d46-7cf5-4457-a9e2-dcf7e396fa65 | Milk is usually subjected to what process, where high temperatures denature the proteins in bacteria so they cannot carry out functions needed to grow and multiply? | [
"Cleaning",
"pasteurization",
"crystallization",
"vaporization"
] | pasteurization | sciq |
baaf4892-b697-4523-8f5b-146752fe6fdc | What do you call something that controls the uptake of water or another substance in the environment, in order to maintain constant internal conditions? | [
"osmoconformers",
"protozoans",
"osmoregulators",
"sporozoans"
] | osmoregulators | sciq |
a2280474-ca62-4733-96e1-f50dc20b2c8b | Plastics are common examples of synthetic polymers of what abundant element? | [
"silicon",
"hydrogen",
"carbon",
"silver"
] | carbon | sciq |
48dc72a7-1740-4570-acb3-c58d0c12571d | Magnetite crystals of different ages and on different continents pointed to different spots. the simplest explanation is that the continents have done what? | [
"changed",
"moved",
"evolved",
"reacted"
] | moved | sciq |
4ed11b31-bb38-432a-a13d-fb1c6e926ab5 | Protozoa can be classified on the basis of how they? | [
"smell",
"move",
"feel",
"look"
] | move | sciq |
850ac41c-b7fc-4980-8a85-816ed9de0d8f | Biomass, solar, wind, water, and geothermal power are examples of what kinds of energy resources? | [
"fossil fuel",
"electrical",
"mechanical",
"renewable"
] | renewable | sciq |
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