id string | question string | choices list | answer_key string | source string |
|---|---|---|---|---|
b2b6a9b8-08ad-4b94-8a89-3c8b03001d85 | The oceans affect earth’s atmosphere and influence its what? | [
"volcanoes",
"climate",
"earthquakes",
"mountains"
] | climate | sciq |
65957791-d2a2-4651-b9a1-b86121df7aea | What are surrounded by a cell wall consisting of peptidoglycan? | [
"bacteria",
"protozoa",
"amoeba",
"viruses"
] | bacteria | sciq |
f0d200a6-de2f-4547-9c6d-5c9497e1545c | Snake venom may join the class of drugs collectively known as thrombolytic agents, which can help speed up the degradation of an abnormal what? | [
"clot",
"bone",
"brain",
"bleed"
] | clot | sciq |
73bec73e-dfcf-41ef-8c9d-34806fa2a3d6 | Thousands of receptor cells that detect the sex attractant equip each filament of what structure? | [
"flagella",
"molecule",
"optic nerve",
"antenna"
] | antenna | sciq |
777416b8-e751-45d8-a2c3-82df6483178c | All solutions contain at least how many substances? | [
"two",
"one",
"four",
"three"
] | two | sciq |
9ea3ef5d-944b-4bb9-b06c-c9ca48ad48d6 | Life probably began where? | [
"oceans",
"the Sun",
"rocks",
"caves"
] | oceans | sciq |
72edd297-d69d-446d-acd1-f57f63aeaa8f | An enzyme is an organic catalyst produced by what? | [
"living cell",
"the liver",
"DNA",
"amino acid"
] | living cell | sciq |
20ea1789-bf23-44a9-a374-9b8b9e033513 | Gasoline is derived from which other liquid? | [
"water",
"oil",
"liquid propane",
"carbon"
] | oil | sciq |
babef23f-1d9d-408d-85ef-ef39cfdfe0a9 | What is the disease in which cells grow out of control and form abnormal masses? | [
"HIV",
"cancer",
"bronchitis",
"diabetes"
] | cancer | sciq |
b1d6f6e8-e3d6-49c9-84cc-e80ecc176daf | What travels at a rate of 300,000 kilometers per second, or nearly instantaneously? | [
"gravity",
"sound",
"air",
"light"
] | light | sciq |
f07511be-91a4-4060-bad9-e3b5f6bd151f | When atomic orbitals hybridize, the valence electrons occupy these? | [
"newly created elements",
"newly developed orbits",
"newly created orbitals",
"expanded pathways"
] | newly created orbitals | sciq |
a9d52fac-6b2a-445a-98ce-82691ebeca10 | Roundworms feed on various things, one of them being decaying organic matter. doing this, they play an important role in what famous cycle? | [
"soul cycle",
"carbon cycle",
"life cycle",
"water cycle"
] | carbon cycle | sciq |
4af55cf4-a275-40c4-8cc9-7babf78d1a15 | In preparation for phagocytosis, a portion of the inward-facing surface of the plasma membrane becomes coated with a protein called clathrin, which stabilizes this section of what? | [
"membrane",
"nuclei",
"mitochondria",
"particles"
] | membrane | sciq |
2beca69f-cc43-459a-9c5a-78e214c2353f | What is the main form of energy storage in plants? | [
"dioxide",
"starch",
"liquid",
"nitrogen"
] | starch | sciq |
b3507257-0ea0-416a-8bca-bc91e08b5e4c | Something supplied by nature that helps support life, including ecosystems as well as minerals and fossil fuels, is called a what? | [
"visible resource",
"fluid resource",
"natural resource",
"artificial resource"
] | natural resource | sciq |
50a02314-d925-4452-8ff6-848f73dd329b | Initial substances are called reactants, and the final substances are called what? | [
"imports",
"exports",
"products",
"reactors"
] | products | sciq |
98281e54-9cb7-4dc2-bec8-861ebdb92f1b | What were the electrons initially called? | [
"polymer rays",
"plasma rays",
"cathode rays",
"gamma rays"
] | cathode rays | sciq |
c572527a-f19e-443d-8525-e525c268d0a6 | What is the type of energy that involves movement? | [
"molecular energy",
"light energy",
"mechanical energy",
"thermal energy"
] | mechanical energy | sciq |
05e48860-2753-4308-8d68-cbe07667e910 | What do sharks use to secrete salt to assist in osmoregulation? | [
"bladder gland",
"blood gland",
"rectal gland",
"ceramic gland"
] | rectal gland | sciq |
90ef8001-f51e-4610-9ccc-bd358033cd03 | Why do viruses not belong to any domain of life? | [
"they are immortal",
"they are nonliving",
"they are too mature",
"they are mortal"
] | they are nonliving | sciq |
d4eb3f90-a5ac-40f7-9d77-78642e14a59d | What is a change in the sequence of bases in dna or rna called? | [
"evolution",
"infection",
"radiation",
"mutation"
] | mutation | sciq |
42a1aea5-2551-4dfb-b6bd-c13147c69d50 | Metallic solids are composed entirely of which atoms? | [
"organic",
"metallic",
"metals",
"toxic"
] | metallic | sciq |
fb3966fa-b121-4645-9f09-f94456dce9e9 | What compound gives tarnished copper it's green color? | [
"zinc",
"bronze",
"brass",
"copper carbonate"
] | copper carbonate | sciq |
74b899b2-0fb6-46a9-ab3c-33120791f989 | As the population grows, competition for food does what? | [
"stays the same",
"stagnates",
"grows",
"decreases"
] | grows | sciq |
3f5aa8b5-650e-49bc-949b-1ca57911164e | What is the property by which water molecules stick together? | [
"cohesion",
"tension",
"plasticity",
"vitality"
] | cohesion | sciq |
f53a6242-bbfa-4521-8f42-4c6c396864a1 | What is the main sex hormone in males called? | [
"estrogen",
"testosterone",
"caffeine",
"methane"
] | testosterone | sciq |
074387f4-1e5a-44c7-ba54-61c43b76f5f5 | What is the name of the tube that joins the mouth to the digestive and respiratory tracts? | [
"pharynx",
"larynx",
"esophagus",
"fallopian tube"
] | pharynx | sciq |
5a45053c-1c78-4261-b384-b237c4733ffb | Unlike bryophyte and fern spores (which are haploid cells dependent on moisture for rapid development of gametophytes), seeds contain a diploid embryo that will germinate into what? | [
"ovary",
"sperm",
"sporophyte",
"gametophyte"
] | sporophyte | sciq |
9dede3d7-7c00-4955-9a58-c6cb0df9a4ea | Limestone is insoluble in water, so what can dissolve it? | [
"acid",
"oxygen",
"calcium",
"dioxide"
] | acid | sciq |
37f3bdae-e5fc-40b3-9ac3-5ef3ca96d9ea | Monatomic ions have an oxidation number equal to their what? | [
"length",
"charge",
"size",
"cost"
] | charge | sciq |
1a80ac5c-4fb0-4d33-9885-00e17a076770 | Some flatworms are free-living carnivores that live mainly in which type of habitats? | [
"aquatic",
"freshwater",
"Desert",
"Deciduous forest"
] | aquatic | sciq |
c46b48ff-df66-460c-9a81-28c1d8f51614 | Characterized by a short lifespan, what begin with production in the bone marrow under the influence of csfs and interleukins? | [
"pathogens",
"erythrocytes",
"leukocytes",
"solutes"
] | leukocytes | sciq |
d7d28a96-00a2-48a3-af24-c46c35ebb399 | What force is perpendicular to velocity and causes uniform circular motion? | [
"centripetal force",
"circular friction",
"tangential force",
"centripetal torque"
] | centripetal force | sciq |
7f79a8ce-8660-46cc-9d6d-20378385860a | What are physical properties that do not depend on the substance present called? | [
"extensive properties",
"multilateral properties",
"intensive properties",
"internal properties"
] | intensive properties | sciq |
1a533b00-f018-45f4-a228-e0d77a889305 | What does the secretion of the hormone cholecystokinin stimulate the release of? | [
"insulin and pepsin",
"pancreatic juices, bile",
"urea",
"sweat, saliva"
] | pancreatic juices, bile | sciq |
3226b5c2-9aa9-4091-abd0-e6b3ff2bdecf | What term is used to describe the electrostatic process used by most copy machines? | [
"xerography",
"microphotography",
"titanomachy",
"electrography"
] | xerography | sciq |
737dbead-3119-4871-8576-1a6867a74547 | Symptoms of viral diseases result from what kind of response to a virus? | [
"infection",
"immune",
"pathogenic",
"mutation"
] | immune | sciq |
e7034214-1595-49e9-933d-c38936287b0c | The most common carbon atoms have six protons and six neutrons in their what? | [
"membrane",
"ribosomes",
"neuron",
"nuclei"
] | nuclei | sciq |
43075898-fa27-466f-8b65-b66ac07b2b65 | What type of organisms have internal clocks that regulate cyclic processes? | [
"endogenous",
"protozoa",
"eukaryotic",
"fungi"
] | eukaryotic | sciq |
4b9825ad-8e09-46ea-9ea5-35b8effdfd06 | How often does condensation occur in your cells? | [
"constantly",
"never",
"daily",
"weekly"
] | constantly | sciq |
93b6f0b1-ef38-428b-8c00-85801cf6b42b | Overharvesting is a serious threat particularly to which species? | [
"aquatic species",
"terrestrial species",
"aerial species",
"amphibious species"
] | aquatic species | sciq |
e65d174a-d1db-4bfb-8591-23145ad39123 | What are the cells that break down inorganic molecules to supply energy for the cell, and use carbon dioxide as a carbon source? | [
"chemoautotrophs",
"fluctuations",
"staurikosaurus",
"Sediments"
] | chemoautotrophs | sciq |
3dcbe97c-33e5-482e-99c9-576e0a5048de | Each type of electromagnetic radiation has a characteristic range of wavelengths. the longer the wavelength (or the more stretched out it appears), the less energy is carried. short, tight waves carry what? | [
"kinetic energy",
"heat",
"most energy",
"sound"
] | most energy | sciq |
92497be8-e8fb-4e4b-ae25-9d17576a9fe9 | What are clouds on earth made of? | [
"ozone",
"rain",
"water vapor",
"carbon dioxide gas"
] | water vapor | sciq |
06f6b233-3d78-4d8f-a8c2-aca7f64d363c | What do extensive properties depend on the amount of? | [
"independent variables",
"matter in a sample",
"sample temperature",
"experimental controls"
] | matter in a sample | sciq |
1eca6e78-1f40-4a6a-a64a-b86521f4978d | What is the term for the rate at which velocity changes? | [
"acceleration",
"compression",
"stability",
"transmission"
] | acceleration | sciq |
6c0c0833-2133-415a-a758-4546817bd026 | What determines which codon in the mrna the trna will bind to? | [
"exon",
"anticodon",
"amnion",
"gene"
] | anticodon | sciq |
60df771d-d377-4fe7-90a2-0753523ae7ce | What is the term for the complete set of genes and alleles within a population? | [
"the chromosomal pool",
"the biodiversity pool",
"the gene pool",
"the ancestral pool"
] | the gene pool | sciq |
92248849-0a9c-4037-b155-ef70dc240d3e | What unit of pressure is named for the scientist whose discoveries about pressure in fluids led to a law of the same name? | [
"newton",
"joule",
"ohm",
"pascal"
] | pascal | sciq |
87b19ecf-e327-4ea2-8b8e-24de374a97dc | Oxygen and what are required for rust to form? | [
"water",
"pressure",
"carbon",
"air"
] | water | sciq |
4eee8ba1-ccbf-4776-8a0b-cc26bb9adfff | What is the process called in which a magnet loses its magnetic properties? | [
"diffusion",
"polarization",
"vectorization",
"demagnetization"
] | demagnetization | sciq |
a5cbdcc6-13d6-4d4d-8ce6-f42d7a53ba8c | The earliest animals were which kind of invertebrates? | [
"dinosaurs",
"aquatic",
"mammals",
"insects"
] | aquatic | sciq |
cd4b039f-80b7-42a2-9273-9cc5bc406ea7 | A lake is an example of what type of biome? | [
"wet biome",
"freshwater biome",
"organic biome",
"natural biome"
] | freshwater biome | sciq |
5ac0d9cf-26a0-40e9-a9b0-2f9db0bcefd5 | What kinds of waves are composed of various oscillating electric and magnetic fields? | [
"seismic",
"tidal",
"elastic",
"electromagnetic"
] | electromagnetic | sciq |
96ecfb59-597e-4441-9443-3354288f835d | When is the sun directly over the equator? | [
"Midsummer",
"Winter",
"Fall",
"equinox"
] | equinox | sciq |
1b4c9767-2bd5-48e8-911f-d87866cdd4a1 | What does the base of a nucleotide within dna consist of? | [
"ribosomes",
"hydrogen",
"protein",
"nitrogen"
] | nitrogen | sciq |
4afb83c4-2390-4e33-b2b6-5c9589c2f803 | Which bones are flat and triangular and located at the back of the pectoral girdle? | [
"vertebrae",
"scapulae",
"cochlea",
"laminae"
] | scapulae | sciq |
f5c93b71-6cf5-4733-949f-80bed49d4973 | What always has the same elements in the same ratio? | [
"cell",
"compound",
"mitochondria",
"component"
] | compound | sciq |
d3df4679-e6ce-4d50-9816-6e4a8efc5b1c | Prior to ovulation, ovarian steroid hormones stimulate the uterus to prepare for support of what? | [
"fertilization",
"embryo",
"fetus",
"childbirth"
] | embryo | sciq |
d33ed934-805e-4bcf-920a-2b8106584b44 | All polar compounds contain what type of bonds? | [
"strong",
"balanced",
"polar",
"weak"
] | polar | sciq |
3f6425e7-bbb0-4f45-97b2-c5e826c33df8 | What often occurs on steep slopes in dry climates? | [
"landslides",
"earthquakes",
"volcanoes",
"tsunamis"
] | landslides | sciq |
be7e4b35-c661-46af-b91d-dfa4c7bc01db | What kind of organisms have many different types of specialized cells with particular jobs? | [
"monocellular",
"multicellular",
"intricate",
"crude"
] | multicellular | sciq |
0a0cf1fe-9ab6-4783-9a9c-330df105e604 | Part of the scientific process, these are statistical probabilities rather than certainties? | [
"predictions",
"Hypothesis",
"assumptions",
"results"
] | predictions | sciq |
24ead126-3cbe-48fe-b5ef-e2a447d7a094 | Ecology is a major branch of what higher-level "classification" of science? | [
"geology",
"physics",
"chemistry",
"biology"
] | biology | sciq |
6e8912bf-a00a-4c8e-b72a-7df27b86a659 | What is necessary for organisms to survive in the deepest parts of the ocean? | [
"adaptations",
"reflexes",
"competition",
"mutation"
] | adaptations | sciq |
ee8d2a41-78e7-4baf-a4c2-f7fa02589171 | What is the process of larva becoming an adult called? | [
"parthenogenesis",
"evolution",
"synthesis",
"metamorphosis"
] | metamorphosis | sciq |
6e7ffbe8-37bb-434b-bb9f-fe9a36563c28 | Capillaries rejoin to form venules, which convey blood to what? | [
"veins",
"glands",
"extremities",
"arteries"
] | veins | sciq |
a0ad5cbd-8f8d-4f1e-beb4-2a03c98d08ae | Although it is not vital to humans, calcitonin is important for calcium homeostasis in adults of some species in what group characterized by backbones? | [
"invertebrates",
"vertebrates",
"reptiles",
"mammals"
] | vertebrates | sciq |
90f82b01-953b-4aec-87a1-6463f5af54ea | What force holds planets in their orbits? | [
"gravity",
"magnetism",
"centrifuge",
"Big Bang"
] | gravity | sciq |
7253673a-593b-4b7c-93eb-40aa8456e849 | The nature of what gives metals the properties of being ductile and malleable? | [
"liquid bonds",
"magneticism",
"metallic bonds",
"titanium bonds"
] | metallic bonds | sciq |
938c4d96-0882-4124-917f-8722086a22f3 | What are the special compartments that are surrounded by membranes inside eukaryotic cells called? | [
"vacuoles",
"ribosomes",
"chloroplasts",
"organelles"
] | organelles | sciq |
4b9e5713-6fd0-4d43-8888-c48e71d07db1 | Molds and casts usually form in which type of rock? | [
"sedimentary",
"crystalline",
"igneous",
"metamorphic"
] | sedimentary | sciq |
4f469f73-4587-48a1-be23-aa85159cc039 | What is a hole that is dug or drilled through the ground down to an aquifer called? | [
"moat",
"well",
"ditch",
"canal"
] | well | sciq |
7f305c61-1507-4858-bd4c-bac8760db5da | When is a moving car said to be in dynamic equilibrium? | [
"zero net force",
"at homeostasis",
"at rest",
"when accelerating"
] | zero net force | sciq |
d5957fa6-4f1c-4fe8-b3ca-e84090004529 | Every chemical reaction between molecules involves breaking and forming of what? | [
"orbits",
"ions",
"bonds",
"atomic pathways"
] | bonds | sciq |
e1c1cb54-87c4-467d-abe9-8b597f8787f0 | The mass percentage of a solution component is defined as the ratio of the component’s mass to ________? | [
"solution ’ s mass",
"solvent's mass",
"liquid's mass",
"enough ’ s mass"
] | solution ’ s mass | sciq |
9bd58b3d-5d18-4406-8b15-d0d140fc51ce | Harmful instances of what can result in errors in protein sequence that yield non-functional proteins? | [
"infection",
"radiation",
"bioaccumulation",
"mutation"
] | mutation | sciq |
7152053c-6f61-47f9-a4da-859fbb94f12b | When dissolved in water, the base sodium hydroxide (naoh) produces sodium ions with what charge? | [
"positive",
"negative",
"constant",
"similar"
] | positive | sciq |
f878c4a9-a78b-43d6-870b-bcb00516378d | What precious resource allows us to grow food as well as materials we turn into clothing and medicine? | [
"petroleum",
"mercury",
"gasoline",
"soil"
] | soil | sciq |
3ec481d0-36a6-4c37-9e7a-3e9e00c1a63f | In what part of the body do escherichia coli bacteria live? | [
"your brain",
"your intestines",
"your urethra",
"your kidneys"
] | your intestines | sciq |
258248a6-1b04-4402-a8e5-76728eb05d48 | Which state of matter has an intermediate level of entropy between solid and gas? | [
"water",
"plasma",
"metal",
"liquid"
] | liquid | sciq |
5823f826-2306-49b5-be76-ff3295a93e4b | In recent years, it has been hypothesized that molecules in the environment also act as? | [
"homeostasis disruptors",
"endocrine disruptors",
"catalysts",
"pathogens"
] | endocrine disruptors | sciq |
c2dbbfd4-e09b-4c53-9b52-c7d345859b03 | What is the diversity of living things called? | [
"adaptation",
"habitat",
"biodiversity",
"ecosystem"
] | biodiversity | sciq |
5898c245-38f1-4e90-b8e5-91a3fcd39301 | All lipids have two distinct domains, a hydrophobic and a what? | [
"hydroceptive",
"hydroaversive",
"hydrophilic",
"covalent"
] | hydrophilic | sciq |
7a7b0c40-2c29-4878-be5b-bc508cbf94b6 | Oxytocin, which stimulates the contractions of labor, is a type of what? | [
"steroid",
"metabolite",
"hormone",
"inhibitor"
] | hormone | sciq |
72be7cef-c236-4915-a8c3-814283fc04e4 | When represented by a single letter dominant alleles are represented by what case letter? | [
"mixed letters",
"numeral",
"lowercase",
"uppercase"
] | uppercase | sciq |
511ef312-c54d-4958-a050-9ed07368441a | What do loess deposits form? | [
"diagonal cliffs",
"rotational cliffs",
"vertical cliffs",
"horizontal cliffs"
] | vertical cliffs | sciq |
85426e56-424c-48db-a0df-a7caac773f07 | Electrical messages are carried by chemicals called what? | [
"amino acids",
"receptors",
"neurotransmitters",
"Biotoxins"
] | neurotransmitters | sciq |
4c42b509-c402-4198-8d19-07159874a7de | Another major cause of extinction is global warming , which is also known as? | [
"global climate change",
"regional climate change",
"rapid climate change",
"sudden climate change"
] | global climate change | sciq |
ed56aa8d-331d-4cb1-81d8-df80e69dd122 | What shape rash is formed from a skin infection caused by trichophyton? | [
"ring-shaped",
"rod-shaped",
"polka dot",
"striped"
] | ring-shaped | sciq |
4b8752fa-97fc-48f2-ad3b-31098479e21b | What type of bonds only form in metals? | [
"liquid bonds",
"optical bonds",
"friction bonds",
"metallic bonds"
] | metallic bonds | sciq |
47091267-bfbd-4eca-9bea-3fc056ef8541 | The last major ice age took place in which era? | [
"miocene",
"pleistocene",
"pliocene",
"cenozoic"
] | pleistocene | sciq |
fb075a52-f069-4358-98f3-95d0c791d381 | What signals the secretion of gastric acid? | [
"hormone",
"gastrin",
"leptin",
"pepsin"
] | gastrin | sciq |
d2db4544-a326-4c24-9929-6ff33f8f5aae | Each microspore develops into a pollen grain containing a male what? | [
"progesterone",
"zygote",
"gametophyte",
"sperm"
] | gametophyte | sciq |
65eb1855-d36c-4ea9-b8b6-3b1d6f3f81a3 | What is used to describe gas concentrations of a solution? | [
"atom fractions",
"fixation fractions",
"mesh fractions",
"mole fractions"
] | mole fractions | sciq |
2531fb17-52df-43d7-a623-89cd736840b9 | What type of organism has many different specialized cells that work together to carry out life processes? | [
"mutated organism",
"sequenced organism",
"multicellular organism",
"single-celled organism"
] | multicellular organism | sciq |
b747f7f8-4081-46fd-a5f2-15bee6a47f53 | What types of bonds hold together positive metal ions and their valence electrons? | [
"covalent bonds",
"ionic bonds",
"metallic bonds",
"toxic bonds"
] | metallic bonds | sciq |
1d6e58c0-9210-457a-acea-2e00c9ef09fc | The once compressed universe expanded rapidly after what nicknamed event billions of years ago? | [
"big bang",
"big explosion",
"big bust",
"good bang"
] | big bang | sciq |
a856a1cc-2ba1-46c7-96fd-4b0d3bba8f4c | Do metals tend to gain electrons or lose electrons in chemical reactions? | [
"lose electrons",
"same number of electrons",
"gain electrons",
"develop electrons"
] | lose electrons | sciq |
0dc652e6-50a4-4fc1-b0ac-b9cce57dd6b6 | Living things evolve what characteristics that make them better suited for their environment? | [
"adaptations",
"reflexes",
"instincts",
"mutations"
] | adaptations | sciq |
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