id
string
question
string
choices
list
answer_key
string
source
string
3f9e8a97-b73b-4ba6-b19d-a28cceb8c9b3
What term means the amount of space matter takes up?
[ "density", "volume", "mass", "weight" ]
volume
sciq
6eccfc18-3834-4d3b-a89e-881e51adfbc5
All of the stages that a cell goes through make up what?
[ "glycolysis", "photosynthesis", "cytokineses", "the cell cycle" ]
the cell cycle
sciq
65a94107-5893-46d5-ab9a-4495158c4efe
What term is used to describe birds that mate for an entire season or even stay paired for their entire life?
[ "polygamous", "monogamous", "asexual", "homogeneous" ]
monogamous
sciq
ac6cb7ca-b54e-41f6-affd-bf8629d16009
What branch of science offers an overview of the physiology of humans?
[ "marine biology", "geology", "engineer", "human biology" ]
human biology
sciq
8d51a41e-6b43-4255-ae43-26373a7b15c1
In atherosclerosis, thickening of an arterial wall due to this can restrict blood flow through the artery?
[ "digestion", "plaque formation", "high blood pressure", "low blood pressure" ]
plaque formation
sciq
38242fcd-c41f-4ca3-b0ac-3ff99a5c2357
Moist skin distinguishes frogs from what animal with dry, bumpy skin?
[ "snakes", "toads", "turtles", "newts" ]
toads
sciq
1e0eb800-2f3d-46ab-9238-90e6059a596e
Scientists perform experiments to test their hypotheses because sometimes the nature of natural universe is what?
[ "very obvious", "this obvious", "not obvious", "become obvious" ]
not obvious
sciq
fed2b9d0-f07f-4daf-a120-5b17fc2f5534
What is the term for movement toward light?
[ "phototaxis", "gravitational pull", "autolysis", "phototropism" ]
phototaxis
sciq
1eca52aa-91e4-481d-8fb3-df1840769c6e
Ultraviolet radiation has the highest energy; which has the lowest?
[ "infrared", "kinetic", "thermal", "nuclear" ]
infrared
sciq
5e0e77a9-90fd-4130-8000-5d9296d5e40d
What kind of proteins either activate or deactivate the transcription of other genes?
[ "carbon proteins", "master regulatory proteins", "master complex proteins", "perfect regulatory proteins" ]
master regulatory proteins
sciq
de742288-6d2d-400a-8453-e548a1728a91
What occurs when the pancreas doesn’t make enough insulin or else the body’s cells are resistant to the effects of insulin?
[ "hepatitis", "diabetes", "anemia", "colitis" ]
diabetes
sciq
e9d06e18-f617-4b28-8284-0579b4cc741d
According to the octet rule, magnesium is unstable because its valence shell has just two of what?
[ "electrons", "protons", "quarks", "neutrons" ]
electrons
sciq
0f0d4aac-d360-4f98-8bee-80009fd65716
What make distant objects appear both nearer and larger?
[ "lasers", "astrolabes", "mirrors", "telescopes" ]
telescopes
sciq
0618a9b9-217f-42f6-a835-0136800d1c1e
The atmosphere consists of oxygen, nitrogen, carbon dioxide, which exerts a certain pressure referred to as what?
[ "gravity pressure", "atmospheric pressure", "nitrogen pressure", "tidal pressure" ]
atmospheric pressure
sciq
8b34bb9d-1b32-4ee0-80aa-3e74f7472cb0
What is the oxygen-storing protein found in diving mammals' muscles called?
[ "pheromone", "pigment", "hemoglobin", "myoglobin" ]
myoglobin
sciq
3a65fca1-a7ae-44a0-8b10-d517d9aeed27
The modern atomic theory states that all matter is composed of what?
[ "ions", "atoms", "molecules", "quarks" ]
atoms
sciq
80a82b7b-1091-4718-878f-81d07ec8ce27
Pressure has a significant effect on the solubility of what state of matter?
[ "gases", "mixtures", "solids", "water" ]
gases
sciq
0f49d1a9-d104-4601-93d5-c619a119f957
The site of some nutrient absorption, the ileum is the third part of what digestive organ?
[ "stomach", "large intestine", "small intestine", "rectum" ]
small intestine
sciq
5cc38510-0c3f-4aee-94a8-356da1dae810
If both atoms are the same, they have the same electronegativity and share what type of bond?
[ "ionic", "metabolic", "isotopic covalent", "nonpolar covalent" ]
nonpolar covalent
sciq
70b10132-29d5-4b74-b5d4-708683a5a0e5
What forms when oceanic crust subducts into the mantle at convergent plate boundaries?
[ "glaciers", "volcanic mountain ranges", "coral", "tsunamis" ]
volcanic mountain ranges
sciq
d7e05dda-3885-454a-a89f-a424e5cf47b2
The skin plays an important role in preventing the escape of what commonly found liquid from the body?
[ "water", "stomach acid", "hormones", "urine" ]
water
sciq
c32ff811-6ca0-4b7d-9603-a22eaed174c2
Which area of the human heart pumps the blood to the right ventricle?
[ "left ventricle", "true atrium", "left atrium", "right atrium" ]
right atrium
sciq
2aba3336-db19-4a50-8210-a9df40ca733d
What moves sediments after they have formed?
[ "perspiration", "photosynthesis", "migration", "erosion" ]
erosion
sciq
4a5b564b-ef04-4d0c-b9aa-1e57ea54c761
What involves the emission of a particle and/or energy as one atom changes into another?
[ "enthalpy", "spontaneous mutation", "atomic transformation", "radioactive decay" ]
radioactive decay
sciq
c9eda7ea-b6ce-4570-83f0-b28f13110191
Certain anaerobic parabasalid species exist in the digestive tracts of termites and wood-eating cockroaches, where they contribute an essential step in the digestion of this?
[ "nutrients", "cellulose", "carbonate", "fiber" ]
cellulose
sciq
c7b40b48-a9c6-44d7-ad0c-9d689183a634
What do you call a group of cells of the same kind that performs the same function?
[ "tissue", "molecule", "organ system", "nucleus" ]
tissue
sciq
076c4009-285b-4bae-95f5-c91fa1c3831c
What is the name of a reactant in an enzymatic reaction?
[ "Scar", "tissues", "membrane", "substrate" ]
substrate
sciq
8ef43617-605d-414c-aa28-f93ac50d8d48
The ideal gas law is used like any other gas law, with attention paid to the unit and making sure that temperature is expressed in kelvin. however, the ideal gas law does not require a change in the conditions of a gas sample. the ideal gas law implies that if you know any three of the physical properties of a gas, you can calculate this?
[ "unrelated", "fourth", "third", "second" ]
fourth
sciq
3f5762cc-7a9d-47ce-ab86-c842da321d69
What is a reaction in which an atom or molecule is added to an unsaturated molecule, making a single product?
[ "an addition reaction", "single reaction", "complete reaction", "homeostasis" ]
an addition reaction
sciq
deef5d4a-ed0a-4e4c-9751-ba3aea6c359c
What is the main problem in both types of diabetes?
[ "insulin production", "metabolism", "blood pressure", "blood concentration" ]
insulin production
sciq
c8b24383-aefa-44fe-ba5a-3b1867d3854a
The structure of mitochondrion plays an important role in what?
[ "magnetism", "sexual reproduction", "cell division", "aerobic respiration" ]
aerobic respiration
sciq
acc1b83b-dee3-4529-8c03-81f9a28fa0ea
Topographic maps have a horizontal scale to indicate what distances?
[ "perpendicular", "diagonal", "horizontal", "vertical" ]
horizontal
sciq
5d350c7c-fbbb-4792-9c6b-1754f5efc1ed
What can occur when one end of a small diameter tube is immersed in liquid?
[ "thermal action", "capillary action", "transfusion action", "diffusion action" ]
capillary action
sciq
476608ca-df86-4577-8e48-3193650f5647
What kind of system do echinoderms possess?
[ "water-based circulatory", "autonomic nerous system", "photosynthetic", "primitive respiratory" ]
water-based circulatory
sciq
1cee6099-67b6-48b9-ad9b-89fbf7d34703
Fossils provide a window into the past. they are evidence for what?
[ "evolution", "generation", "emergence", "intelligent design" ]
evolution
sciq
aa7d46bc-c03d-409d-8cd5-8b6b6ddb8852
Dominant alleles rarely cause what type of disorders, since the mutant allele is likely to die out of the population?
[ "sex-linked disorders", "genetic disorders", "mutations", "cancers" ]
genetic disorders
sciq
19deed82-0d7d-413a-8109-0eb5a22d99bc
Near-earth asteroids cross paths with earth, meaning they could collide; what are the paths called?
[ "orbits", "trajectory", "galaxies", "curves" ]
orbits
sciq
a6b89858-995b-464e-8994-c841b1e43e70
Reflected in their relatively high level of intelligence and their ability to learn new behaviors, what organs tend to be relatively large in primates?
[ "brains", "hearts", "lungs", "kidneys" ]
brains
sciq
fd90eaa0-6198-4c61-b32e-127602f5d56d
This inverse relationship between solubility and temperature can be understood by looking at a what?
[ "a slide", "potassium model", "nutrient model", "molecular model" ]
molecular model
sciq
46e93b04-e058-4645-bf4c-f3fa553e5344
Energy from sunlight enters many ecosystems through what process?
[ "photosynthesis", "isolation", "reproduction", "multiplication" ]
photosynthesis
sciq
8d6b7e44-7f4d-4fae-a01f-0f1fae282a0c
What is the world’s most serious resource problem?
[ "water scarcity", "citrus blight", "deforestation", "gas shortage" ]
water scarcity
sciq
0dba06a3-df8a-4163-a749-a5d388c8e439
Quarks also have a different type of charge, called what?
[ "contrast charge", "pure charge", "spontaneous charge", "color charge" ]
color charge
sciq
8bd67da7-73bf-4327-9471-706ce39085e0
Thylakoids in a chloroplast contain what plant pigment?
[ "ultramarine", "melanin", "dye", "chlorophyll" ]
chlorophyll
sciq
e56d7ef4-b658-428e-bb10-f6f1a990f8b0
The expulsion stage begins when the fetal head enters what?
[ "head is outside vagina", "uterus", "birth canal", "you can see the umbilical cord" ]
birth canal
sciq
baacde81-9e06-49c8-880a-21ddafaae15b
What type of waste is likely to explode?
[ "mesh waste", "solid waste", "explosive waste", "liquid waste" ]
explosive waste
sciq
5569112a-2110-41e4-9b78-6aafbd941922
Named after the dutch physicist, the van de graaff is a type of what device used for nuclear research?
[ "barometer", "radiation detector", "accelerator", "electromagnetic" ]
accelerator
sciq
69b64912-9657-4917-8871-be4073714ec5
A substance that displays different colors when in the presence of an acid or a base is called what?
[ "an acid-base indicator", "reactor", "pH scale", "litmus test" ]
an acid-base indicator
sciq
8ea5bbda-225c-4253-8dac-b02e66d6aa4c
What is the name for the study of the plants and animals that live in fresh water bodies ?
[ "hydrology", "limnology", "nematology", "oceanography" ]
limnology
sciq
4f950256-c87a-4f8f-a1c3-985dd7193064
What does urine leave the body through?
[ "colon", "vagina", "urethra", "uterus" ]
urethra
sciq
8ad2a4d4-0ffb-4a96-9bc3-6b36a50e9ddf
What type of plant is the dominant group of land plants?
[ "thermal plants", "grass plants", "oxygen plants", "vascular plants" ]
vascular plants
sciq
c4918666-2b10-4a92-ba04-2da741abdc8e
What term is used to describe a process in which material travels from regions of high concentration to low concentration until equilibrium is reached?
[ "diffusion", "active transport", "fission", "Osmosis" ]
diffusion
sciq
5e938c34-8d48-4a1a-a274-6353d08ceec5
Poetically speaking, nature reserves are islands of what, in a sea of habitat degraded by human activity?
[ "habitats", "refuge", "biodiversity", "ecosystem" ]
biodiversity
sciq
8e932d33-2ebc-49b8-864e-72d183ffb38e
Reactive elements are able to combine more what with other elements?
[ "easily", "symmetrically", "slowly", "quickly" ]
easily
sciq
869876f7-a2e9-4ff2-a7f0-746dc46c70e3
What do scientists attach to aquatic animals to collect information?
[ "fluorescent tags", "satellite tags", "radio tags", "ultraviolet tags" ]
satellite tags
sciq
7c728e86-84c7-4e1b-98ac-8a382510b232
Upon ovulation, the oocyte released by the ovary is swept into where?
[ "placental barrier", "umbilical cord", "vas deferens", "uterine tube" ]
uterine tube
sciq
6df09e87-1601-4006-88fd-967e69b5489a
Giardiasis and malaria are diseases caused by what organism?
[ "worms", "larvae", "protozoa", "bacteria" ]
protozoa
sciq
de038910-06a6-4012-96de-80ea29bcc230
The number of waves that pass a fixed point in a given amount of time is referred to as what?
[ "wave frequency", "wave speed", "tendency frequency", "wave harmonics" ]
wave frequency
sciq
521b5067-3423-4f0a-bdd9-200b73803049
The name carbon tetrachloride implies one carbon atom and four of which other atoms?
[ "iodine", "nitrogen", "calcium", "chlorine" ]
chlorine
sciq
cfa19fc4-bfec-4567-91ac-274389b67f60
Most of a mushroom's surface area is actually where?
[ "hidden", "underground", "air", "underwater" ]
underground
sciq
ee2bf8a4-ec8b-48ae-a9ec-3baba4d0b8ae
Interneurons carry what back and forth between sensory and motor neurons?
[ "flux impulses", "sciatica", "electricity", "nerve impulses" ]
nerve impulses
sciq
e039df37-1824-4677-a146-4e5d41bd89ca
What are the mineral deposits that fill in underground cracks called?
[ "veins", "motherlode", "currents", "cores" ]
veins
sciq
32646be4-0862-4083-8e05-e8f310fff209
Some of the small moons of saturn are found within what features distinctive to the planet?
[ "interior of saturn", "crest of saturn", "craters of saturn", "rings of saturn" ]
rings of saturn
sciq
3e119226-a7ca-4afa-a6c4-5ac15e4abe3a
An image that is double the size of the object would have what?
[ "magnification", "illumination", "stimulation", "configuration" ]
magnification
sciq
88b2f24c-7459-4b82-a2d7-452b10daccc6
What is made up of bands of cells that contract for movement?
[ "vascular tissue", "collagen", "cartilage", "muscle tissue" ]
muscle tissue
sciq
74bcac92-b825-45ca-8c97-47a68e799cf9
What is the name of the muscular tube that carries urine out of the body?
[ "bladder", "rectum", "urethra", "uterus" ]
urethra
sciq
2f8500b2-91f0-4921-a797-4a38eb784479
Tissues are organized by what?
[ "cells", "branches", "lipids", "structures" ]
cells
sciq
b0f06018-1c8b-4ef4-841a-6a488470df96
Carbon released by burning fossil fuels contributes to what effect in the atmosphere?
[ "shielding effect", "cloud effect", "smog effect", "greenhouse effect" ]
greenhouse effect
sciq
acfba7ad-63c4-4bef-b3c0-c1fc0f4c8e62
What are a class of biochemical compounds that living things use to store energy?
[ "lipids", "hydrocarbons", "calories", "proteins" ]
lipids
sciq
1e0ab73a-bac0-421b-aacc-fca5dd9de545
Which element has an atomic number of 16?
[ "acid", "sulfur", "oxygen", "methane" ]
sulfur
sciq
ded00604-01a7-4407-99e5-a2cf464c7792
Fossil evidence indicates that the ancestors of humans originated on which continent?
[ "south america", "africa", "north america", "australia" ]
africa
sciq
2d9f2456-54e2-4da1-9fdb-255b87ac467d
What will spores that eventually germinate develop into?
[ "hydra", "gametes", "new hyphae", "yeast cells" ]
new hyphae
sciq
aad65f45-aabc-4e3d-9b9f-25e92cc9b2ce
A binary molecular compound is made up of two of what?
[ "compounds", "wafers", "elements", "cells" ]
elements
sciq
e6db9d81-9908-43fb-bc50-cc48bf0cc689
Sound, like all waves, travels at a certain speed and has the properties of frequency and this?
[ "gravity", "wavelength", "momentum", "energy" ]
wavelength
sciq
eead5dae-bf3c-40f5-9520-163a1fb0d9b2
Do bacteria sexually reproduce?
[ "sometimes", "they don't reproduce", "no", "yes" ]
no
sciq
5db4afd8-b63e-4eeb-8db1-4f4da1d02acd
What is type of sugar is produced through photosynthesis?
[ "carbohydrates", "glucose", "insulin", "glutamate" ]
glucose
sciq
573ca0a1-73ab-4da5-b23f-de74eb9e8705
The light-sensing cells in the retina are called rods and what else?
[ "light cells", "stents", "sensor cells", "cones" ]
cones
sciq
b801d506-f36e-4ca4-b7a1-478339d592bc
Lampreys possess a large round sucker, lined with teeth, that surrounds the mouth and is used to feed on what?
[ "herbivores", "parasites", "blood", "marrow" ]
blood
sciq
eb75466f-2072-402a-9b7e-2046786a1864
What is the type of plant that has a single cotelydon in the seedling?
[ "moss", "monocot", "dicot", "conifer" ]
monocot
sciq
1176b626-a0b3-40d8-8dff-0a8d8c9bc93c
What element is essential for amino acid and nucleic acid production?
[ "hydrogen", "carbon", "oxygen", "nitrogen" ]
nitrogen
sciq
c50c1e76-6196-4614-a015-c89f542a04f4
In plants and algae where does photosynthesis takes place in?
[ "chloroplasts", "cytoplasm", "cell wall", "nucleus" ]
chloroplasts
sciq
abef5c5b-7a91-4941-8fcc-11862afdb3e3
What is crucial for the fermentation progress in making bread?
[ "larvae", "yeast", "cold", "fruit" ]
yeast
sciq
33edeee5-636f-42f6-8d44-8f1e331e36a4
What hormone does the endocrine system secrete to help cells absorb blood sugar?
[ "testosterone", "Cortisol", "glucose", "insulin" ]
insulin
sciq
dc773ffc-a164-4ad6-b684-051317a95685
What part of the sporophyte produces microspores that form male gametophytes and megaspores that form female gametophytes?
[ "chloroplasts", "leaves", "flower", "pollen" ]
flower
sciq
7e804c69-336f-4796-8e56-90a403061f83
This calcification prevents diffusion of nutrients into the matrix, resulting in what dying and the opening up of cavities in the diaphysis cartilage?
[ "phytocytes", "keratinocytes", "chondrocytes", "nanoparticles" ]
chondrocytes
sciq
3d7e9ede-6db9-43a7-99fe-266b0a1e7fc4
What is the greek word meaning "to help make things easier"?
[ "battery", "machine", "toy", "mode" ]
machine
sciq
f5b29806-c5eb-4b3e-b812-25287029d1c6
High levels of radiation can remove electrons from?
[ "water", "acids", "metals", "humans" ]
metals
sciq
102df378-cdfa-4824-addc-fdb71a9233f0
What is the only planet we know that has plate techtonics?
[ "Jupiter", "Mars", "Saturn", "earth" ]
earth
sciq
9210932c-73cb-49a1-bc26-2bb50545b42b
Variation in muscle cells gives further insight into some benefits of what type of respiration?
[ "aerobic", "anaerobic", "enzymatic", "natural" ]
anaerobic
sciq
0bac33b8-05ca-4435-b768-50414d49d992
Violet and red are two types of what kind of light?
[ "infrared", "visible", "radioactive", "ultraviolet" ]
visible
sciq
f86d3543-9fff-4b4f-a189-33b120997017
The duodenum is a part of which part of the gi tract?
[ "pharynx", "small intestine", "large intense", "ulna" ]
small intestine
sciq
e00bbacf-a8c9-475a-91ba-27115d72cbd4
A complete ionic equation is a chemical equation in which the dissolved ionic compounds are written as what?
[ "joined ions", "charged ions", "realized ions", "separated ions" ]
separated ions
sciq
99693119-7585-4b13-8739-65f954c61a33
The barrier defenses are not a response to infections, but they are continuously working to protect against a broad range of what?
[ "nutrients", "ecosystems", "mates", "pathogens" ]
pathogens
sciq
e5924e29-1004-4073-b107-42380e4bd571
A minority of people on earth use up most of the planet's what, including energy?
[ "water", "sand", "air", "resources" ]
resources
sciq
ffd8fec9-0f95-4201-a410-f2925d6be446
Groundwater dissolves minerals and carries the ions in a what?
[ "jet stream", "transition", "solution", "mixture" ]
solution
sciq
8d10e60f-f2a8-4fcf-b296-70f8645b2453
What is the area of our universe that isn't stars and galaxies called?
[ "nebula", "galaxies", "dark matter", "solar systems" ]
dark matter
sciq
bd073625-7040-430b-9700-8dd76cd597f9
What neurotransmitter is associated with the fight-or-flight response?
[ "endorphins", "stomach acid", "adrenaline", "bile" ]
adrenaline
sciq
e170fa78-6981-44f8-b7ca-a9a8dccf041d
What do scientists think are the oldest eukaryotes?
[ "arthropods", "protists", "prokaryotes", "fungi" ]
protists
sciq
5566c6ae-1f0e-4c86-9862-3e8a02e9cf29
Geologists found that the youngest rocks on the seafloor were where?
[ "mid - ocean ridges", "early - ocean ridges", "late - ocean ridges", "seabed floor" ]
mid - ocean ridges
sciq
6c61b0d6-0026-4296-babb-38a53a5810bc
The stability of an ecosystem depends on the actions of what, exemplified by mushrooms on a decaying log and bacteria in soil?
[ "fluxes", "decomposers", "aphids", "whitefly" ]
decomposers
sciq
f9b5c00d-bc6e-4a97-9024-cab0c8c549db
Anabolic steroids, a form of the male sex hormone testosterone, are one of the most widely known performance-enhancing drugs. steroids are used to help build what?
[ "bone mass", "brain tissue", "muscle mass", "nervous tissue" ]
muscle mass
sciq