dataset stringclasses 4
values | id stringlengths 5 14 | question stringlengths 1 932 | choices dict | answer stringclasses 8
values |
|---|---|---|---|---|
sciq | sciq201 | Lymph vessels, like veins, have what objects that prevent the backflow of fluid? | {
"A": "pumps",
"B": "pores",
"C": "valves",
"D": "fibers"
} | C |
sciq | sciq202 | What do you call the point at which the entire weight of a body may be considered to be concentrated? | {
"A": "center of earth",
"B": "complex of gravity",
"C": "center of gravity",
"D": "direction of gravity"
} | C |
sciq | sciq203 | What is the name of the command center of the cell? | {
"A": "nucleus",
"B": "molecules",
"C": "vacuole",
"D": "mitochondria"
} | A |
sciq | sciq204 | What is the key issue in the small-population approach? | {
"A": "genetic mutation",
"B": "disease variation",
"C": "alternative variation",
"D": "genetic variation"
} | D |
sciq | sciq205 | What are diodes, transistors, and integrated circuits examples of? | {
"A": "computer parts",
"B": "electronic components",
"C": "radio parts",
"D": "machine parts"
} | B |
sciq | sciq206 | What are the layered rocks that form when certain prokaryotes bind thin films of sediment together? | {
"A": "stalactites",
"B": "stomatolites",
"C": "stalagmites",
"D": "quartzes"
} | B |
sciq | sciq207 | Acids can also react with metals, and when they do they produce what? | {
"A": "hydrogen gas",
"B": "rust",
"C": "alloys",
"D": "potassium gas"
} | A |
sciq | sciq208 | Like animals, protozoa are heterotrophic and capable of what? | {
"A": "creating",
"B": "moving",
"C": "working",
"D": "pushing"
} | B |
sciq | sciq209 | The group 18 gases that have 8 valence electrons are referred to as what type of gases? | {
"A": "noble",
"B": "important",
"C": "metal",
"D": "novel"
} | A |
sciq | sciq210 | Where a cell resides, how it appears, and what it does define its what? | {
"A": "minute race",
"B": "development fate",
"C": "slowing rate",
"D": "life cycle"
} | B |
sciq | sciq211 | What purpose does the appendix serve in humans today? | {
"A": "work",
"B": "digests food",
"C": "none",
"D": "filters blood"
} | C |
sciq | sciq212 | What are generally divided into prosimian and non-prosimian? | {
"A": "insects",
"B": "primates",
"C": "rodents",
"D": "carnivores"
} | B |
sciq | sciq213 | Nearly all protists exist in some type of aquatic environment, including freshwater and marine environments, damp soil, and even snow. several protist species are parasites that infect animals or plants. a few protist species live on dead organisms or their wastes, and contribute to what? | {
"A": "habitat loss",
"B": "greenhouse gas",
"C": "their decay",
"D": "spontaneous mutation"
} | C |
sciq | sciq214 | People with osteoporosis have an increase risk of what? | {
"A": "muscle loss",
"B": "bone fractures",
"C": "weight loss",
"D": "cancer"
} | B |
sciq | sciq215 | What part of the plant anchors it into the soil? | {
"A": "buds",
"B": "stems",
"C": "roots",
"D": "leaves"
} | C |
sciq | sciq216 | What term refers to the sequence of community and ecosystem changes after a disturbance? | {
"A": "disturbance succession",
"B": "physiological succession",
"C": "ecological succession",
"D": "progressions"
} | C |
sciq | sciq217 | What rises through solid rocks where conditions are right? | {
"A": "water",
"B": "crystals",
"C": "nitrogen",
"D": "magma"
} | D |
sciq | sciq218 | What causes acid rain, ozone depletion, and global warming? | {
"A": "air pollution",
"B": "radiation",
"C": "ozone layer",
"D": "water pollution"
} | A |
sciq | sciq219 | What type of climates are found around the equator? | {
"A": "arid",
"B": "arctics",
"C": "tundras",
"D": "tropical"
} | D |
sciq | sciq220 | The process when heat is released is referred to as what? | {
"A": "geothermal",
"B": "insular",
"C": "exothermic",
"D": "endothermic"
} | C |
sciq | sciq221 | What lizards can change colors based on the color of their surroundings? | {
"A": "Monitor",
"B": "skink",
"C": "chameleons",
"D": "geckos"
} | C |
sciq | sciq222 | What kind of compound, contained in coffee and alcohol, increases urine volume? | {
"A": "acid",
"B": "additive",
"C": "anabolic",
"D": "diuretic"
} | D |
sciq | sciq223 | What part of the muscle fibers cause shortening and contraction? | {
"A": "fasciae",
"B": "myofibrils",
"C": "collagen",
"D": "pores"
} | B |
sciq | sciq224 | What is the period from earth's origin to the beginning of the phanerozoic eon? | {
"A": "Cenozoic",
"B": "precambrian",
"C": "Paleolithic",
"D": "anatolian"
} | B |
sciq | sciq225 | What muscles are used to pump water over the gills? | {
"A": "lungs and pharynx",
"B": "jaws and pharynx",
"C": "pharynx and tonsils",
"D": "muscles and pharynx"
} | B |
sciq | sciq226 | When populations get close to the carrying capacity, what happens to growth? | {
"A": "dies",
"B": "slows",
"C": "spikes",
"D": "halts"
} | B |
sciq | sciq227 | Skeletal muscle cells and cardiac muscle cells share what property, which is not shared by smooth muscle cells? | {
"A": "overlap",
"B": "filaments",
"C": "striations",
"D": "surfaces"
} | C |
sciq | sciq228 | What organ does asthma periodically cause to narrow? | {
"A": "lungs",
"B": "intestines",
"C": "liver",
"D": "ovaries"
} | A |
sciq | sciq229 | A crow that becomes used to a scarecrow and lands on it is an example of what? | {
"A": "dissociation",
"B": "habituation",
"C": "assimilation",
"D": "adaptation"
} | B |
sciq | sciq230 | Earthquakes have both longitudinal and transverse components, and these travel at what? | {
"A": "the speed of light",
"B": "identical speeds",
"C": "the speed of sound",
"D": "different speeds"
} | D |
sciq | sciq231 | In what human organ system would you find live e. coli bacteria? | {
"A": "circulatory system",
"B": "respiratory system",
"C": "skeletal system",
"D": "digestive system"
} | D |
sciq | sciq232 | Secondary pollutants form from chemical reactions that occur when pollution is exposed to what? | {
"A": "sunlight",
"B": "humans",
"C": "air",
"D": "water"
} | A |
sciq | sciq233 | What is the name of the procedure where an unknown compound can be analyzed in the laboratory in order to determine the percentages of each element contained within it? | {
"A": "electrical analysis",
"B": "elemental analysis",
"C": "chemical analysis",
"D": "gaseous analysis"
} | B |
sciq | sciq234 | What does the human heart do? | {
"A": "destroy blood",
"B": "use blood",
"C": "make blood",
"D": "pump blood"
} | D |
sciq | sciq235 | What organism is at the top of the energy pyramid? | {
"A": "herbivore",
"B": "insects",
"C": "carnivore",
"D": "primate"
} | C |
sciq | sciq236 | Parthenogenesis is the most common form of what in animals that at other times reproduce sexually? | {
"A": "cell division",
"B": "budding",
"C": "sexual dimorphism",
"D": "asexual reproduction"
} | D |
sciq | sciq237 | What do you call a substance that is not an acid or a base? | {
"A": "toxic",
"B": "oxidic",
"C": "neutral",
"D": "equivalent"
} | C |
sciq | sciq238 | What element is all life built around? | {
"A": "neon",
"B": "oxygen",
"C": "carbon",
"D": "hydrogen"
} | C |
sciq | sciq239 | The barrier defenses are not a response to infections, but they are continuously working to protect against a broad range of what? | {
"A": "nutrients",
"B": "mates",
"C": "pathogens",
"D": "ecosystems"
} | C |
sciq | sciq240 | What system is responsible for defending your body against sickness? | {
"A": "digestion system",
"B": "nervous system",
"C": "immune system",
"D": "circulatory system"
} | C |
sciq | sciq241 | What causes reduction of elasticity in all organs? | {
"A": "weight gain",
"B": "low vitamin D",
"C": "radiation",
"D": "age"
} | D |
sciq | sciq242 | What sustains the fetus while it grows inside the mother’s uterus? | {
"A": "mitochondria",
"B": "endometrium",
"C": "placenta",
"D": "bacteria"
} | C |
sciq | sciq243 | Astronomers have wondered if the universe is expanding fast enough to escape the pull of what? | {
"A": "kinetic energy",
"B": "Coreolis effect",
"C": "gravity",
"D": "light"
} | C |
sciq | sciq244 | What organs are the main organs of the urinary system? | {
"A": "spleen",
"B": "gall bladder",
"C": "prostate",
"D": "kidneys"
} | D |
sciq | sciq245 | Many plants generate root pressure during which phase? | {
"A": "growing season",
"B": "end of life cycle",
"C": "flowering season",
"D": "developing season"
} | A |
sciq | sciq246 | Worldwide, viruses seem to play a role in what percentage of the cases of human cancer? | {
"A": "15%",
"B": "5%",
"C": "20 %",
"D": "+.15 %"
} | A |
sciq | sciq247 | The vector of what organism is significant on a map showing the location of malaria? | {
"A": "virus",
"B": "worm",
"C": "fungi",
"D": "mosquito"
} | D |
sciq | sciq248 | What is the outermost layer of the skin? | {
"A": "callus",
"B": "dermis",
"C": "nexus",
"D": "epidermis"
} | D |
sciq | sciq249 | Where is chlorine gas produced? | {
"A": "carbon cycle",
"B": "in the nucleus",
"C": "at the anode",
"D": "epidermis"
} | C |
sciq | sciq250 | What colorful phenomenon occurs in the northern sky when particles from the sun energize ions in the thermosphere? | {
"A": "meteor shower",
"B": "northern lights",
"C": "Coriolis effect",
"D": "aurora nervosa"
} | B |
sciq | sciq251 | What are drumlins, eskers, and kettle lakes formed by? | {
"A": "tsunamis",
"B": "meteors",
"C": "earthquakes",
"D": "glaciers"
} | D |
sciq | sciq252 | Maintaining a high metabolic rate takes a lot of what? | {
"A": "hydrogen",
"B": "power",
"C": "energy",
"D": "fuel"
} | C |
sciq | sciq253 | The pleura that surrounds the lungs consists of how many layers? | {
"A": "one",
"B": "four",
"C": "two",
"D": "three"
} | C |
sciq | sciq254 | What property is the result of the force of gravity being opposed by the normal force? | {
"A": "weight",
"B": "sound",
"C": "light",
"D": "density"
} | A |
sciq | sciq255 | What is defined as a push or pull acting on an object? | {
"A": "force",
"B": "effort",
"C": "motion",
"D": "work"
} | A |
sciq | sciq256 | Pressure relationships inspiration (or inhalation) and expiration (or exhalation) are dependent on the differences in pressure between the atmosphere and these? | {
"A": "bones",
"B": "lungs",
"C": "enzymes",
"D": "salts"
} | B |
sciq | sciq257 | The posterior pituitary releases which hormone, which stimulates uterine contractions during childbirth? | {
"A": "insulin",
"B": "oxytocin",
"C": "estradiol",
"D": "estrogen"
} | B |
sciq | sciq258 | Cycling, shoveling snow and cross-country skiing are examples of what kind of heart-strengthening activity? | {
"A": "anaerobic",
"B": "exercise",
"C": "metabolism",
"D": "aerobic"
} | D |
sciq | sciq259 | Animals can not produce their own food making them _________. | {
"A": "autotrophs",
"B": "heterotrophs",
"C": "photoreliant",
"D": "omnivores"
} | B |
sciq | sciq260 | What rocks are formed by crystallization of chemical precipitates? | {
"A": "carbon sedimentary",
"B": "volcanic",
"C": "layered",
"D": "chemical sedimentary"
} | D |
sciq | sciq261 | What is the most important element to life? | {
"A": "carbon",
"B": "nitrogen",
"C": "oxygen",
"D": "hydrogen"
} | A |
sciq | sciq262 | What type of sedimentary rocks are made of minerals that precipitate from saline water? | {
"A": "chemical sedimentary rocks",
"B": "sandstone",
"C": "limestone",
"D": "shale"
} | A |
sciq | sciq263 | If a solution contains so much solute that its solubility limit is reached, the solution is said to be what? | {
"A": "saturated",
"B": "Over done",
"C": "temperatures",
"D": "carbohydrates"
} | A |
sciq | sciq264 | What kind of surface temperature is found on venus? | {
"A": "extremely high",
"B": "a little hot",
"C": "cool",
"D": "cold"
} | A |
sciq | sciq265 | Almost all vascular plants have mycorrhizae and rely on their fungal partners for what? | {
"A": "sunlight",
"B": "air",
"C": "nutrients",
"D": "respiration"
} | C |
sciq | sciq266 | What is the major cause of chronic respiratory disease as well as cardiovascular disease and cancer? | {
"A": "drinking",
"B": "diet",
"C": "smoking",
"D": "exercise"
} | C |
sciq | sciq267 | What are used to lift large masses of magnetic materials such as scrap iron, rolls of steel, and auto parts? | {
"A": "Tape",
"B": "electromagnets",
"C": "Glue",
"D": "screws"
} | B |
sciq | sciq268 | What are seamounts that rise above the water surface called? | {
"A": "sandbars",
"B": "islands",
"C": "coasts",
"D": "reefs"
} | B |
sciq | sciq269 | He mass spectrometer measures the percent abundance of different what? | {
"A": "isotopes",
"B": "reactions",
"C": "Proteins",
"D": "organisms"
} | A |
sciq | sciq270 | What forms when an atom gains electrons? | {
"A": "crystals",
"B": "cations",
"C": "anions",
"D": "bonds"
} | C |
sciq | sciq271 | A largemouth bass is an example of a cold-blooded animal that conforms to what aspect of the lake it inhabits? | {
"A": "depth",
"B": "precipitation",
"C": "temperature",
"D": "oxygen"
} | C |
sciq | sciq272 | What happens if a person doesn’t take in enough water to replace the water lost in sweat? | {
"A": "diarrhea",
"B": "relaxation",
"C": "dehydration",
"D": "fatigue"
} | C |
sciq | sciq273 | A, t, g, and c pairs are associated with what substance that is important in genetics? | {
"A": "plasma",
"B": "dna",
"C": "bacteria",
"D": "blood"
} | B |
sciq | sciq274 | Name the process of removing wastes from the body. | {
"A": "filtration",
"B": "depletion",
"C": "excretion",
"D": "degradation"
} | C |
sciq | sciq275 | Prokaryotic cells can only regulate gene expression by controlling the amount of what? | {
"A": "translation",
"B": "RNA processing",
"C": "transcription",
"D": "folding"
} | C |
sciq | sciq276 | What type of numbers specify the arrangement of electrons in orbitals? | {
"A": "ionic numbers",
"B": "fusion numbers",
"C": "stream numbers",
"D": "quantum numbers"
} | D |
sciq | sciq277 | What do cells secrete that binds to receptors? | {
"A": "proteins",
"B": "factor",
"C": "stress",
"D": "endorphans"
} | B |
sciq | sciq278 | What is the term for dry climate regions at higher altitudes that have short grasses and low bushes? | {
"A": "fringes",
"B": "deserts",
"C": "prairie",
"D": "steppes"
} | D |
sciq | sciq279 | Tuataras, lizards, and snakes are members of what subclass of reptiles? | {
"A": "lepidosaurs",
"B": "arthropods",
"C": "dinosaurs",
"D": "staurikosaurus"
} | A |
sciq | sciq280 | Why do sharks sense low levels of electricity? | {
"A": "to reproduce",
"B": "to locate prey",
"C": "to sleep",
"D": "to locate mates"
} | B |
sciq | sciq281 | What causes an elastic force in springs? | {
"A": "momentum",
"B": "stretching or compressing",
"C": "freezing",
"D": "velocity"
} | B |
sciq | sciq282 | What year did the soho spacecraft first started to operate? | {
"A": "2012",
"B": "1996",
"C": "1987",
"D": "2006"
} | B |
sciq | sciq283 | The partial pressure of each gas in a mixture is proportional to its what? | {
"A": "mesh fraction",
"B": "lactic fraction",
"C": "chemical fraction",
"D": "mole fraction"
} | D |
sciq | sciq284 | What is the only mechanism that consistently causes adaptive evolution? | {
"A": "genetic drift",
"B": "neutral selection",
"C": "natural selection",
"D": "artificial selection"
} | C |
sciq | sciq285 | What in orange juice makes it taste sour? | {
"A": "citric acid",
"B": "carbonation",
"C": "amino acid",
"D": "acetic acid"
} | A |
sciq | sciq286 | Muscarinic receptors can cause both depolarization or hyperpolarization depending on the what? | {
"A": "strain",
"B": "subtype",
"C": "gravity",
"D": "phenotype"
} | B |
sciq | sciq287 | What is the common measure of how hot or cold something is? | {
"A": "precipitation",
"B": "weight",
"C": "variation",
"D": "temperature"
} | D |
sciq | sciq288 | Organisms that obtain food from outside themselves (i.e. they don't make their own food) are known as what? | {
"A": "heterotrophs",
"B": "autotrophs",
"C": "zygotes",
"D": "fungi"
} | A |
sciq | sciq289 | What is the name of the mineral that contains calcium, carbon and oxygen? | {
"A": "cobalt",
"B": "calcite",
"C": "quartz",
"D": "granite"
} | B |
sciq | sciq290 | What is the term for the energy of motion, which is exhibited by the speed of an object? | {
"A": "inertia",
"B": "residual energy",
"C": "mechanical energy",
"D": "kinetic energy"
} | D |
sciq | sciq291 | What is the process by which a liquid changes to a solid? | {
"A": "vaporizing",
"B": "boiling",
"C": "freezing",
"D": "melting"
} | C |
sciq | sciq292 | How are electrons shared in covalent bonds? | {
"A": "unequally",
"B": "orderly",
"C": "equally",
"D": "randomly"
} | C |
sciq | sciq293 | Are thunderstorms more likely where the ground temperatures are extremely high or extremely low? | {
"A": "extremely low",
"B": "extremely high",
"C": "somewhat low",
"D": "somewhat high"
} | B |
sciq | sciq294 | What is the spreading of white light into its full spectrum of wavelengths called? | {
"A": "saturation",
"B": "dispersion",
"C": "condensation",
"D": "radiate"
} | B |
sciq | sciq295 | What is the term for the application of science to solve problems? | {
"A": "research",
"B": "mathematics",
"C": "ingenuity",
"D": "technology"
} | D |
sciq | sciq296 | Sexually reproducing organisms alternate between which stages? | {
"A": "binary and haploid",
"B": "diploid and traploid",
"C": "haploid and diploid",
"D": "binary and diploid"
} | C |
sciq | sciq297 | What develops in depressions where water flow is low or nonexistent? | {
"A": "ponds",
"B": "bogs",
"C": "swamps",
"D": "sinkholes"
} | B |
sciq | sciq298 | What two ways do channels respond during membrane depolarization? | {
"A": "independently and typically",
"B": "independently and sequentially",
"C": "sequentially and identically",
"D": "typically and sequentially"
} | B |
sciq | sciq299 | Where does the most important monsoon in the world occur? | {
"A": "southern asia",
"B": "northern africa",
"C": "the atlantic ocean",
"D": "eastern aisa"
} | A |
sciq | sciq300 | Electromagnets can be controlled by controlling what type of current? | {
"A": "negative",
"B": "electric",
"C": "magnetic",
"D": "positive"
} | B |
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