id string | question string | choices list | answer_key string | source string |
|---|---|---|---|---|
49c7192a-6910-4fe6-ada1-684ffca58cae | Shedding of dead cells ensures constant renewal of what outer layer of the skin? | [
"cuticle",
"epidermis",
"scale",
"dermis"
] | epidermis | sciq |
90cdfd33-7ee4-43fd-a184-79ac10fafdbf | What causes cumulus clouds to grow upward? | [
"mantle currents",
"moisture currents",
"gas currents",
"convection currents"
] | convection currents | sciq |
b81f565b-dfba-4a84-a54d-aff8551494d6 | What term is used to describe a region getting significantly less precipitation than normal for an extended period of time? | [
"flood",
"dog days",
"doldrums",
"drought"
] | drought | sciq |
5847cdb0-539d-4149-a438-a160dc02cb3a | What is the name for compounds that contain only carbon and hydrogen? | [
"carbohydrates",
"hydrocarbons",
"carbides",
"particles"
] | hydrocarbons | sciq |
f7a78a2e-c66e-4eed-a7ac-ffac64caa144 | What human disease is caused by a defective enzyme that is unable to produce melanin, the pigment responsible for the color of skin and hair? | [
"mutations",
"hemophilia",
"anemia",
"albinism"
] | albinism | sciq |
9ffb6209-e244-4cb4-8fcd-cf69a24ff72e | Individuals with sickle cell anemia have crescent-shaped what? | [
"white blood cells",
"red blood cells",
"glial cells",
"nerve cells"
] | red blood cells | sciq |
a41043d5-d0aa-4d13-b0c1-c180aba63bf7 | Nearly all weather occurs in the lower part of what? | [
"the mesosphere",
"the ionosphere",
"the lithosphere",
"the atmosphere"
] | the atmosphere | sciq |
7a581ea7-2ea9-4676-ad3e-a177eaa9578d | For skeletal development, the most common template is what? | [
"collagen",
"membrane",
"cartilage",
"calcium"
] | cartilage | sciq |
3d620203-3bd2-4781-9aa0-00e3894e06d8 | The body's second line of defense against pathogens includes which response? | [
"blood",
"reaction",
"anxiety",
"inflammatory"
] | inflammatory | sciq |
bc5e8219-966b-4d6c-8529-c904d22a5fc3 | Hiv is a retrovirus, which means it reverse transcribes its rna genome into what? | [
"ribosomes",
"dna",
"amino acid chains",
"atp"
] | dna | sciq |
34c33e3b-c3d1-4e65-a903-43de24b6b32e | Plants can tell the time of day and time of year by sensing and using various wavelengths of what | [
"moisture",
"sunlight",
"precipitation",
"lunar cycles"
] | sunlight | sciq |
04d2ae30-6181-4539-a48d-65067e3950ce | In eukaryotes, the major mechanism for shuffling genes is what? | [
"asexual reproduction",
"sexual reproduction",
"suggesting reproduction",
"subject reproduction"
] | sexual reproduction | sciq |
0f43de48-23aa-4c06-8ed6-c652273c48ce | The vas deferens and ejaculatory ducts transport sperm from the epididymes to the urethra in what system? | [
"digestive system",
"cardiovascular system",
"famous reproductive system",
"male reproductive system"
] | male reproductive system | sciq |
5b5d2dd9-54eb-4a4e-a25c-bd3f1e3d83e3 | What do nearly all animals have in common with regards to digestion? | [
"external digestion of food",
"problematic digestion of food",
"internal digestion of food",
"complete digestion of food"
] | internal digestion of food | sciq |
d9166895-8e4a-42da-96fa-be648009b27c | What are the secretions released by the endocrine glands called? | [
"acids",
"fluids",
"hormones",
"enzymes"
] | hormones | sciq |
7567fda2-0656-4058-8ad7-96b5f084cf28 | What are chromosomes in the same pair called? | [
"homogeneous chromosomes",
"regulated chromosomes",
"homologous chromosomes",
"reversible chromosomes"
] | homologous chromosomes | sciq |
9acbcbdd-4b9f-4246-8376-102cb32a222a | What do you call plastids that contain the green pigment chlorophyll? | [
"chloroplasts",
"Leucoplasts",
"Chromoplasts",
"Gerontoplasts"
] | chloroplasts | sciq |
9680d01b-f215-47f8-a3f1-e9b5cd86c47e | What important and unusual physical property (for birds) do ostriches and penguins share? | [
"flightlessness",
"webbed feet",
"bonelessness",
"waterproofness"
] | flightlessness | sciq |
3aadcc43-638c-4b89-b150-ae20f557d53d | What are changes in membrane potential that vary continuously with the strength of a stimulus are known as? | [
"reverse potentials",
"graded potentials",
"variable potentials",
"kinetic energy"
] | graded potentials | sciq |
1fb30696-4ffc-4ec4-b082-186635b5e8a0 | The moon has a crust, mantle, and a? | [
"magnetic field",
"mountain range",
"ice cap",
"core"
] | core | sciq |
a694aea8-e50c-4fa8-93ff-2ed04fb0f54c | What type of coal is formed at lower temperatures? | [
"bituminous",
"limestones",
"calcareous",
"clean"
] | bituminous | sciq |
e5205ef5-8d58-404c-a568-64b1fa47d6f1 | What can sodium ions not pass through? | [
"nonpolar lipid bilayer",
"benthic lipid bilayer",
"narrowness lipid bilayer",
"Lipid Control"
] | nonpolar lipid bilayer | sciq |
4aae4af5-5c4d-4ea3-af19-edd067a80c18 | What happens when the kidneys cannot remove wastes from the blood? | [
"intestinal failure",
"tissue failure",
"kidney failure",
"choanocyte failure"
] | kidney failure | sciq |
9a5004b9-a60f-489a-a2d9-1f2fc2fb7930 | What is another name for nearsightedness? | [
"myopia",
"hyperopia",
"presbyopia",
"astigmatism"
] | myopia | sciq |
ea2f0d5c-afcf-41bd-a4c3-057aa4d4ab8c | What is the innermost layer of the sun called? | [
"Convection Zone",
"Chromosphere",
"Photosphere",
"the core"
] | the core | sciq |
5b8a4465-f302-42b2-9c75-4c27219afae3 | What device is used to study charge? | [
"electroscope",
"nannostomus",
"microscope",
"microtome"
] | electroscope | sciq |
4e7d021e-0696-4f99-ac7d-025792e6bde3 | What term is used to describe large numbers of species that go extinct in a short amount of time? | [
"species extinction",
"mass extinction",
"organic extinction",
"formation extinction"
] | mass extinction | sciq |
4e407489-7e78-4722-b3c6-2a9ea8ef2c31 | What is the tiny male gametophyte enclosed in a tough capsule? | [
"Cell Capsule",
"pollen",
"calcium",
"nitrogen"
] | pollen | sciq |
dff949d5-2596-4137-b853-a31db915fddc | When zinc reacts with hydrochloric acid, the reaction bubbles vigorously as which type of gas is produced? | [
"nitrogen",
"hydrogren",
"oxygen",
"chlorine"
] | hydrogren | sciq |
1ac590e9-3274-4547-b427-35141f5f3c85 | Structural adaptations in flying animals often contribute to reduced what? | [
"eyesight",
"respiration",
"blood flow",
"body mass"
] | body mass | sciq |
b78d5c14-1402-4614-8584-6ca130cb2597 | What diagram is used to reflect evolutionary relationships among organisms or groups of organisms? | [
"relationships tree",
"biodiversity tree",
"phylogenetic tree",
"conceptual tree"
] | phylogenetic tree | sciq |
4b05898c-4929-4d1b-ab60-84e8687dd4df | What is the energy called that is stored in matter? | [
"possible",
"potential",
"stored energy",
"mechanical"
] | potential | sciq |
c44ff449-753f-4287-b4df-3ab46452f6dc | What is the term for traits that show wide variation, such as height, skin color, and eye color? | [
"recessive traits",
"maladaptive traits",
"polygenic traits",
"inherited traits"
] | polygenic traits | sciq |
0780ce07-7697-4367-a9d0-709bc899c491 | Which system in the human body consists of the heart, a network of blood vessels, and blood? | [
"nervous system",
"cardiac system",
"cardiovascular system",
"circulatory system"
] | cardiovascular system | sciq |
aec85b9c-63ef-492b-b675-fa2921255214 | Volume is another way of measuring what? | [
"length",
"height",
"material",
"weight"
] | material | sciq |
ad903b57-bdda-4440-8745-18f4ef8a99d5 | What do you call a science that aims to find solutions to practical problems? | [
"evolved science",
"applied experience",
"experimental science",
"applied science"
] | applied science | sciq |
077ba2a4-ce64-4267-9b4b-9c8462651212 | What term describes weathering that occurs as water expands when it freezes, wedging apart rock? | [
"mechanical weathering",
"cleavage",
"erosion",
"chemical weathering"
] | mechanical weathering | sciq |
22ddd4c2-52bb-468c-aee8-f88e395fb952 | How many pairs of chromosomes are found in human cells? | [
"24",
"25",
"13",
"23"
] | 23 | sciq |
31179eec-eb84-4ed5-9761-0f6094f338bb | An aqueous solution is a homogeneous mixture in which the most abundant component is what? | [
"water",
"blood",
"oxygen",
"air"
] | water | sciq |
b4ec0c89-fbf9-4ff1-b565-6bf21f258e5c | What happens to light when it reflects from a rough surface? | [
"becomes isolated",
"gets diffused",
"reflects",
"becomes concentrated"
] | gets diffused | sciq |
bcd92825-9209-47ab-99cf-4ea2b93971be | Isothermal expansion is a process occurring without a change in? | [
"temperature",
"variation",
"precipitation",
"weight"
] | temperature | sciq |
9f4b2ae2-6e5f-4b00-a048-359341891455 | Nearly all fish reproduce sexually and have what? | [
"modified sexes",
"separate sexes",
"flexible sexes",
"single sexes"
] | separate sexes | sciq |
ef97f263-1381-41bc-a654-3da5d595cc7b | Cilia and flagella are generally associated with what function in organisms, whether the function is internal or external? | [
"digestion",
"reproduction",
"sight",
"movement"
] | movement | sciq |
1d13c652-ed36-4bf2-912a-b755aef42fd0 | Do particles collide more in two reactants when they are both in fluid forms or solid forms? | [
"fluid",
"plasma",
"neither",
"solid"
] | fluid | sciq |
29645c90-26b1-4de7-9c48-976c53adce7d | The process of moving from areas of high amounts to areas of low amounts is called what? | [
"diffusion",
"deposition",
"filtration",
"transfer"
] | diffusion | sciq |
95964a98-a6f5-40ee-b4d0-d7c1f9fd9cdc | Vascular tissue allowed these plants to do what? | [
"have more flowers",
"live shorter",
"grow taller",
"grow smaller"
] | grow taller | sciq |
79593303-1de1-4f0f-b998-d50bbc901e39 | What were the first forms of life on earth? | [
"eukaryotes",
"aniryotes",
"protists",
"prokaryotes"
] | prokaryotes | sciq |
6b636cf8-e863-4c2f-a964-9df09bd99c01 | What warms the base of the mantle creating convection currents there? | [
"mantle soil",
"molten lava",
"the hot regenerate",
"the hot core"
] | the hot core | sciq |
a6f1bcf0-251e-42f4-be29-15e152c62eb6 | What do we call an incorrect test result that should have been positive? | [
"personal negative",
"false positive",
"external positive",
"false negative"
] | false negative | sciq |
90da071e-621b-4245-9995-13bd0168f103 | The conversion factor between solubility and molar solubility of a compound is known as what? | [
"mass effect",
"molar mass",
"molar value",
"stochastic mass"
] | molar mass | sciq |
8eedbf8e-802a-43e0-b549-d8e3c9850b68 | What describes the process of vesicles fusing with the plasma membrane and releasing their contents to the outside of the cell? | [
"endocytosis",
"exocytosis",
"expulsion",
"autolysis"
] | exocytosis | sciq |
1a555a5a-2c12-4cc5-b58b-96a50c254309 | Out of the four ways that allele frequencies of a population can be changed, which way is caused by individuals leaving or joining the population? | [
"spontaneous mutation",
"mass extinction",
"gene flow",
"Allopatric speciation"
] | gene flow | sciq |
2abd0c51-8fb2-418e-b24d-3936187dcf4d | What kind of bond doesn't form molecules, but instead forms crystals? | [
"magnetic bonds",
"covalent bonds",
"ionic bonds",
"electron bonds"
] | ionic bonds | sciq |
68f04757-3ed8-4e84-ac75-f8800c286ebf | Where does the natural synthesis of lactose occur? | [
"nervous tissue",
"mammary tissue",
"liver tissue",
"ovarian tissue"
] | mammary tissue | sciq |
04690108-9153-4476-bd1a-b3b70f2c0791 | The ratio between the radii of a wheel and axle determines what? | [
"theoretical mechanical advantage",
"introduced mechanical advantage",
"ideal mechanical advantage",
"fundamental mechanical advantage"
] | ideal mechanical advantage | sciq |
1f913aa0-1129-4864-bd19-5e443b872008 | What is the first stage of cellular respiration called? | [
"glycolysis",
"photosynthesis",
"appetite",
"reproduction"
] | glycolysis | sciq |
340ddeff-3c80-4e15-a40e-e63246d4d0c5 | Many species use their body shape and coloration to avoid being detected by what? | [
"predators",
"males",
"viruses",
"biology"
] | predators | sciq |
7a65f495-4f68-4d03-a5cf-ce82dc392f67 | A reference point is used in measurement to make what? | [
"focal point",
"deviation",
"estimation",
"regression"
] | estimation | sciq |
eb93d6ac-19ec-44f0-aa91-3ec36cba7ad5 | Why do adult herbivores in a herd surround their young? | [
"to show them love",
"to protect them as they are vulnerable to predators",
"to protect them from other adult herbivores",
"to keep them warm on long cold nights"
] | to protect them as they are vulnerable to predators | sciq |
e7740421-5220-424b-a946-e1277bdd12a7 | When orders are sent from your brain to your legs, these signals pass through what type of cells? | [
"mobility cells",
"skin cells",
"molecules",
"nerve cells"
] | nerve cells | sciq |
716c0ab8-b648-4d69-9174-68037ed7703e | What is the leading cause of soil erosion? | [
"volcanic explosions",
"running water",
"tidal winds",
"glacier movement"
] | running water | sciq |
bd511af7-5a77-455f-aa0d-a4c8adee2fae | What class of organisms help decompose matter to release nutrients and make nutritious food for other organisms ? | [
"bacteria",
"yeast",
"coral",
"fungi"
] | fungi | sciq |
0f3d5bb2-90a1-454a-8666-65af21e999c3 | A pedigree is a chart which shows the inheritance of a trait over several what? | [
"centuries",
"events",
"organisms",
"generations"
] | generations | sciq |
c9f854ad-cac6-459f-900f-d48e1e433334 | The release of calcium ions initiates what? | [
"cramps",
"muscle contractions",
"spasms",
"exhalation"
] | muscle contractions | sciq |
7e04a06e-871a-46fb-a5de-2cfa16ab78ee | The electron released during beta decay is not an orbital electron but an electron whose origin was where? | [
"orbiting the nucleus",
"outside the nucleus",
"connected to the nucleus",
"in the nucleus"
] | in the nucleus | sciq |
4454985f-1029-4e1f-9fd7-a2b997119866 | What is created by the polymerization of glucose? | [
"methane",
"cellulose",
"glucose",
"carbonate"
] | cellulose | sciq |
1dcfa0d9-f778-4bb2-83a8-28245f75e790 | Fungi reproduce asexually by fragmentation and either sexually or asexually via what lightweight, windblown structures? | [
"lesions",
"ions",
"spores",
"seeds"
] | spores | sciq |
9d354a7a-d522-490a-a6bd-7be74cf78c8e | The desire to understand how and why things happen is shared by all branches of what? | [
"society",
"population",
"science",
"government"
] | science | sciq |
916d9fb0-e5ed-41aa-9cd0-c51c16428a71 | The scientific revolution took place where starting in the 1500s? | [
"south america",
"africa",
"north america",
"europe"
] | europe | sciq |
c40de6a7-8c4a-4f78-9040-4222ef5d1a63 | Ionic bonds are electrostatic attractions between two oppositely charged what? | [
"gasses",
"ions",
"molecules",
"compounds"
] | ions | sciq |
7fd24f2b-708b-4655-9664-417dadb8e0bd | What is the theoretical event that began the universe often called? | [
"big bang",
"string theory",
"dark matter",
"Coreolis effect"
] | big bang | sciq |
17f7cc4a-9c07-4c55-aed3-15393ec7357f | In the cardiovascular system, net filtration pressure represents the interaction of osmotic pressures and what other pressures? | [
"hydrostatic",
"homeostatic",
"hydrophilic",
"uptake"
] | hydrostatic | sciq |
e3e92f06-8d2d-42a3-8f5f-538838018b93 | What attracts the earth to the sun? | [
"gravity",
"the moon",
"weight",
"light"
] | gravity | sciq |
3144203d-1d99-4e61-b15b-73522f52200d | Fermat’s principle states that light will always take the path of least amount of? | [
"time",
"energy",
"momentum",
"resistance"
] | time | sciq |
e6ed8ab8-0c55-488d-af5b-8d353f1c8122 | Many enzymes require nonprotein helpers for what activity? | [
"catalytic",
"kinetic",
"hydrogen",
"functional"
] | catalytic | sciq |
517ad795-c398-4b1d-b8d1-de685d3200ea | What is often a result of untreated atherosclerosis? | [
"cancer",
"seizures",
"heart disease",
"a heart attack or stroke"
] | a heart attack or stroke | sciq |
bf67b8ae-ea2b-4014-a72e-eeecc7e9998d | The hormones epinephrine and norepinephrine are released by what? | [
"adrenal medulla",
"external medulla",
"nutrients medulla",
"uptake medulla"
] | adrenal medulla | sciq |
b53ae951-8c83-4315-84ff-757a874bea86 | How many possible alleles do the majority of human genes have? | [
"two or less",
"less than four",
"three or more",
"two or more"
] | two or more | sciq |
b53fe575-ca9d-458e-89bc-7143a598447f | What occurs during the new moon and full moon, due to gravitational pull? | [
"spring waves",
"spring floods",
"spring tides",
"spring storms"
] | spring tides | sciq |
2bb16a14-d078-44ef-a7bb-62e57526fe53 | Alleles that carry deadly diseases are usually which type? | [
"dominant",
"inherited",
"recessive",
"predominant"
] | recessive | sciq |
c73f4bf2-3a5b-4281-a60f-b297db08376f | What releases fatty acids and other components from fats and phospholipids? | [
"peristaltic hydrolysis",
"metabolism",
"enzyme respiration",
"enzymatic hydrolysis"
] | enzymatic hydrolysis | sciq |
d56f5d8d-514c-4584-9540-d14d8a1d507b | What kind of energy comes from the position of a charged particle in an electric field? | [
"solar energy",
"potential energy",
"mechanical energy",
"thermal energy"
] | potential energy | sciq |
6eb36b59-5a9a-44ad-8cfc-605935d83644 | What does interstellar medium consist of? | [
"thinly spread gas and dust",
"the strong force",
"dark matter",
"gravitational waves"
] | thinly spread gas and dust | sciq |
58342d4b-c310-4593-b855-a82c833e1026 | Sickle-cell disease significantly impairs the function of what? | [
"nervous system",
"circulatory system",
"limbic system",
"metabolism system"
] | circulatory system | sciq |
56e52483-41ec-42a6-a1da-087c6d975cb4 | What is the enlarged tip of the penis called? | [
"glans penis",
"angles penis",
"testicular point",
"outer penis"
] | glans penis | sciq |
81771501-1c04-42eb-916e-deea85001020 | What do you call the point at which the entire weight of a body may be considered to be concentrated? | [
"direction of gravity",
"center of earth",
"complex of gravity",
"center of gravity"
] | center of gravity | sciq |
e2704dd7-6149-41f9-8403-89db686a5db0 | At how many places does points source pollution enter water? | [
"three",
"one",
"two",
"four"
] | one | sciq |
c6d10544-679a-42e9-bb80-5722026a4203 | What do monarch butterfly larvae depend on for their food? | [
"honey",
"pollen",
"milkweeds",
"seaweed"
] | milkweeds | sciq |
a43231f3-4888-49da-8d82-411e966a4af8 | As lava cools, tiny iron-rich crystals line up with earth’s what? | [
"magnetic field",
"oceans",
"gravitational field",
"molecular field"
] | magnetic field | sciq |
1136fae5-d29e-4d0a-9c5b-b094e85ac755 | What do we call the amount of time a substance is stored in a reservoir? | [
"presence time",
"residence time",
"latency",
"storage time"
] | residence time | sciq |
8a5dbe3c-0b76-4614-a520-092cf4485460 | Osmotic pressure is important in biological systems because cell walls are what? | [
"variably membranes",
"theonym membranes",
"impassable",
"semipermeable membranes"
] | semipermeable membranes | sciq |
3f6e3f12-5c15-4cfc-8da4-317a1c8af46d | When does the diploid zygote form? | [
"never",
"before the haploid zygote",
"after the pollen tube",
"before the pollen tube"
] | after the pollen tube | sciq |
d9b293f7-e414-4e91-853d-07c9ed070961 | What is the minimum number of times a partial lunar eclipse will occur each year? | [
"two",
"five",
"six",
"11"
] | two | sciq |
c859da93-797c-460c-a3b6-ad74309cd611 | Microscopes were first developed in the early 1600s by this trade? | [
"watch makers",
"food makers",
"eyeglass makers",
"polyurethane makers"
] | eyeglass makers | sciq |
4247fc45-f7c2-4df5-b96c-ee366ab0951b | What do we call the temperature at which a substance melts? | [
"melting point",
"boiling point",
"precipitation point",
"evaporation point"
] | melting point | sciq |
71e51ea2-0919-4128-a5e8-793dd7826fd9 | What is the small, dense region at the center of the atom that consists of positive protons and neutral neutrons? | [
"nucleus",
"electron",
"photon",
"proton"
] | nucleus | sciq |
ee011076-8a60-4350-9c3c-4ff7c27d01b4 | By multiplying the force applied by the perpendicular component of the moment arm,what is determined? | [
"pressure",
"torques",
"radiation",
"intensities"
] | torques | sciq |
1fdd9101-2df5-406d-938e-4898d7429db0 | What carry messages from our sensory organs and others to the central nervous system? | [
"blood vessels",
"valves",
"nerves",
"fibers"
] | nerves | sciq |
468f75db-7db4-4c4b-9ad5-5caebd8d50a9 | What do you call the space around a charged particle where the particle exerts electric force on other charged particles? | [
"electric field",
"powered field",
"charged field",
"melodic field"
] | electric field | sciq |
8fa73ce5-bc71-4c66-aedf-40dd4284fdc6 | Natural convection is driven by what forces? | [
"gravitational",
"magnetic",
"buoyant",
"thermal"
] | buoyant | sciq |
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