id
string
question
string
choices
list
answer_key
string
source
string
3fe119c7-3578-4c23-a62a-060ff1fbef86
What force is responsible for erosion by flowing water and glaciers?
[ "gravity", "kinetic", "weight", "electromagnetic" ]
gravity
sciq
a7245a7c-fd82-4089-bf18-9e2b16e20e40
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?
[ "their decay", "spontaneous mutation", "habitat loss", "greenhouse gas" ]
their decay
sciq
1a27fc0b-4e36-4292-be43-d7372ebe1c54
What type of rocks form from cooled magma or lava?
[ "metamorphic", "sedementary", "granite", "igneous" ]
igneous
sciq
48e4213e-1185-4a4e-8863-0531c34fb41a
What kind of cells have positive cell potentials, and all the reduction reactions are reversible?
[ "inhibited cells", "galvanic cells", "neutral cells", "new cells" ]
galvanic cells
sciq
3aaac078-76e5-4614-8f15-559a1c0a26d0
A fish's stream-lined body that reduces water resistance is an example of what kind of response to an aquatic lifestyle?
[ "evolution", "adaptation", "retraction", "natural selection" ]
adaptation
sciq
cb937dc3-13f8-47b9-a43b-37125d65ccae
Emissions of what gas into the atmosphere from fossil fuel burning have been rising for the past several decades?
[ "carbon dioxide", "neon", "oxygen", "sulphur" ]
carbon dioxide
sciq
c5a7bab8-e5fa-42b0-b2da-ed436a69632a
Gymnosperms have seeds but do not have what?
[ "roots", "leaves", "stems", "flowers" ]
flowers
sciq
27580ffd-e5af-4082-a255-34d2d98ee812
Modern members of what broad animal group live in many different habitats and are found on every continent except antarctica?
[ "arachnids", "parasites", "reptiles", "amphibians" ]
reptiles
sciq
0fafb301-7e57-4c5e-aaf6-3e46fb3ba0dc
The right ventricle pumps what type of blood toward the lungs?
[ "oxygen-poor", "plasma", "oxygen-rich", "oxygenated" ]
oxygen-poor
sciq
3d3b5518-46ab-4753-bfae-577ce9aad3c2
Some 96% of the dry mass consists of organic compounds produced by what?
[ "electrolysis", "photosynthesis", "reproduction", "erosion" ]
photosynthesis
sciq
f0973433-4b6e-4960-b794-11110803bf8d
What is it called when something is unable to move from place to place?
[ "obovate", "Undrate", "sessile", "ovate" ]
sessile
sciq
f2aec455-a5d0-4cb9-895f-7635aac2670e
What waves are the broad range of electromagnetic waves with the longest wavelengths and lowest frequencies?
[ "microwaves", "radio", "sound", "light" ]
radio
sciq
04387913-e00e-4edf-af2b-e50a52aaef13
What are the two main types of sedimentary rocks?
[ "clastic and chemical", "shale and limestone", "sandstone and shale", "basalt and dolomite" ]
clastic and chemical
sciq
5522b08f-bac7-49fc-839a-a761ef2a1331
Light waves which interfere with themselves after interaction with a small aperture or target are said to what?
[ "diffract", "reflect", "refract", "adduce" ]
diffract
sciq
e7450ec5-627a-4bda-93b7-46d9ae62de3b
Distance traveled divided by time yields what measurement, which is another word used to describe the speed of a chemical reaction?
[ "acceleration", "rate", "flow", "displacement" ]
rate
sciq
e7cadd9a-2466-41b6-b7a7-c06561d4350e
Beryllium, magnesium, calcium, strontium, and barium are classified as what type of metals?
[ "alkaline aligned metals", "acid earth metals", "alkaline support metals", "alkaline earth metals" ]
alkaline earth metals
sciq
a1a8de5c-c568-4e6d-9b53-b4b37a3f29cd
Common among mammals and insects, pheromones are often related to what type of behavior?
[ "immune", "reproductive", "cardiac", "aggressive" ]
reproductive
sciq
c999c634-85fb-41d8-b2c8-e444bb103c72
Neutron stars are the corpses of left over what?
[ "stellar explosions", "supernova explosions", "gravitational explosions", "planet explosions" ]
supernova explosions
sciq
d905cf35-faa6-4992-abed-4d7e08521cbb
In recent years, however, researchers have discovered that microsporidia actually have tiny organelles derived from what?
[ "carbohydrates", "proteins", "plasma", "mitochondria" ]
mitochondria
sciq
a902e995-0bbf-4ac4-81ae-a0c47dd4c283
The negative logarithm of the hydroxide-ion concentration of a solution is called?
[ "the hil", "the hop", "the poh", "the piel" ]
the poh
sciq
b08bb071-abbf-4872-b197-4dd2fb8ebd4a
What is the greatest contribution of arthropods to human food supply?
[ "vegetation", "hibernation", "reproduction", "pollination" ]
pollination
sciq
763a66ce-6363-4f94-be83-7768f3d786ee
What kind of weather change do la nina years usually bring?
[ "Mass amounts of snow", "heat", "moisture", "drought" ]
drought
sciq
85e488cd-93f6-44ee-9d9f-d802bd5b522f
In physics, _______ is defined as the average kinetic energy of the particles in an object?
[ "temperature", "heat", "climate", "potential energy" ]
temperature
sciq
978b51b1-7be2-496d-aaf2-63f8b01cb64d
What are proteins encoded by?
[ "RNA", "genes", "codons", "DNA" ]
genes
sciq
0ab67757-2b72-43c8-a670-7d6b905f9f15
In alcoholic fermentation , which acid changes to alcohol and carbon dioxide?
[ "rain", "lipoic", "chloride", "pyruvic" ]
pyruvic
sciq
41b3db04-a2d2-4160-b52a-8db448adeb14
What is another term for scale worms?
[ "trichina", "halkieria", "wormidanopis", "spirogyra" ]
halkieria
sciq
d65efd37-90d5-4ddc-bffd-e2068d354520
What type of device do scientist use to determine wind speed?
[ "anemometer", "barometer", "photometer", "dynamometer" ]
anemometer
sciq
09f23b59-c63c-43b4-bac8-054705434d72
Which constellation looks like a rectangle high in winter's south-southeastern sky?
[ "orion", "Caelum", "Andromeda", "Apus" ]
orion
sciq
8ff033e1-02d1-4674-b9e0-4c4c2c492b7a
What mammal is often a pollinator of nocturnal flowers?
[ "sunbirds", "hummingbirds", "rabbits", "bat" ]
bat
sciq
66f9944e-a2a5-4c19-be57-7b7a61ca759f
What can reproduce by infecting the cell of a living host?
[ "bacteria", "mucus", "virus", "carcinogens" ]
virus
sciq
b6a0dd52-88ea-47f1-81ac-ef1076e60906
The theory that establishes the concepts of atoms and how they compose matter is called what?
[ "contemporary atomic theory", "modern particle theory", "modern atomic theory", "unified matter theory" ]
modern atomic theory
sciq
22a34c33-10a2-4f24-98db-8140033bfd33
How does the heart transport blood?
[ "blood vessels", "muscles", "nerves", "blood pellets" ]
blood vessels
sciq
18410a36-8088-4969-a8ec-c4d4dae702c4
The gender of a baby is determined by what special pair of chromosomes?
[ "sister chromatids", "sex chromosomes", "diploid chromosomes", "reflection chromosomes" ]
sex chromosomes
sciq
901465d5-886f-4e87-a656-0182978544dd
What does the activity of an organism depend on the totality of?
[ "independent cells", "chemical attraction", "interdependence", "adaptations" ]
independent cells
sciq
4cb717d9-bf1e-4013-b19b-7f267949cb2b
What is solid water that forms when water vapor undergoes deposition?
[ "glacier", "dew", "distillate", "frost" ]
frost
sciq
8cbba8a8-da40-4fe7-a1f4-c8590c1dbf39
What gets released into the atmosphere when fossil fuels are burned?
[ "carbon dioxide", "hydrogen", "oxygen", "chemical dioxide" ]
carbon dioxide
sciq
846de73b-ff70-44ce-9ffc-ad1b5e10af54
What is the term for the measure of a fluid's thickness?
[ "friction", "viscosity", "elasticity", "salinity" ]
viscosity
sciq
87794edf-b2bc-4959-8fee-de7f1b3d61f1
Plant cells have structures that animal cells?
[ "have", "drink", "lack", "eat" ]
lack
sciq
2a9d3b71-788b-4f47-b4f3-046dfd9f8bf7
What reduces the need for pesticides and other toxic chemicals?
[ "yeast", "helium", "pollen", "fungi" ]
fungi
sciq
2e90c113-4340-4a54-9da9-9a0a3c83de68
Matter can be described with what two encompassing types of properties?
[ "thermal and magnetic", "velocity and energy", "color and distance", "physical and chemical" ]
physical and chemical
sciq
2fcc3869-7daa-40ac-94cd-7d0d2f246b22
When the number of active receptors falls below that threshold, what happens to the cellular response?
[ "it stabilizes", "it increases", "it ceases", "it responds" ]
it ceases
sciq
75e8a10f-b4a4-436d-919c-b177dc81ed33
Types of neurons include sensory neurons, motor neurons, and?
[ "histones", "synapses", "anions", "interneurons" ]
interneurons
sciq
50065767-f2b4-42e2-9761-434bf8021faa
Active and passive forms of what enable the body to resist damage from pathogens?
[ "potential", "stem cells", "autonomy", "immunity" ]
immunity
sciq
18bb6ff5-dd08-46a9-993c-366254d1be1c
What is the energy of motion called?
[ "kinetic energy", "potential energy", "mixed energy", "binary energy" ]
kinetic energy
sciq
760127cf-a84f-4723-a183-43f0b9ce4ef9
What is the term for an infection caused by a fungal parasite?
[ "mycosis", "acrobasis", "mitosis", "mydriasis" ]
mycosis
sciq
45414050-fa90-4162-8191-eacb203f1209
What do you call the ability to sense sound energy and perceive sound?
[ "sensory deprivation", "tuning", "echolocation", "hearing" ]
hearing
sciq
3637bc8e-61be-4d5f-806a-2784c7326d6d
Some plants can detect increased levels of what when reflected from leaves of encroaching neighbors?
[ "water", "oxygen", "air", "light" ]
light
sciq
bc42fb82-64a5-431d-a0ab-d25d60ee6571
What are the high points of a transverse wave called?
[ "ridges", "troughs", "peaks", "crests" ]
crests
sciq
c90a7e00-ebf9-41db-9864-d54147ea1c93
What is the transfer of heat by a current?
[ "diffusion", "combustion", "radiation", "convection" ]
convection
sciq
ec2ff404-efa8-4e50-bb21-0066de8b879b
When acellular slime molds swarm, they fuse together to form a single cell with many what?
[ "cytoplasm", "digestive tracts", "lungs", "nuclei" ]
nuclei
sciq
8b1d1a61-36a7-4d91-85ae-17b5d1e9bea9
Potential energy is not only associated with the location of matter, but also with the structure of matter. even a spring on the ground has potential energy if it is what?
[ "ignored", "compressed", "watched", "coupled" ]
compressed
sciq
19242ea9-3d3f-4d8c-8d6a-40d02231f911
What is the name of film that polyester fibers form?
[ "layers", "fabric", "Softness", "mylar" ]
mylar
sciq
dd1541f6-7587-4c91-8b48-62d420e70240
Where do germline mutations occur in?
[ "In blood cells", "in gametes", "in spores", "in aggregations" ]
in gametes
sciq
f0c8e08e-2818-4acf-8567-98af4d65cb89
What a mixture of nitric acid and hydrochloric acid?
[ "aqua regia", "crystal regia", "acidus regia", "sulfate regia" ]
aqua regia
sciq
96a1b8ac-3b34-40b1-94dd-ac15352052f7
Most members of what kingdom of spore-making organisms grow on the forest floor, where the dark and damp environment is rich?
[ "algae", "moss", "bacteria", "fungi" ]
fungi
sciq
9d0833cd-d3cb-4f81-a673-cde87dca9afe
What results when the water vapor from a hot shower contacts the cooler surface of a mirror?
[ "foggy mirror", "the mirror breaks", "cleaner mirror", "mirror brightens" ]
foggy mirror
sciq
ab262dc8-c57c-429f-8a35-25c79bdf1b1d
What type of vascular plants produce seeds in cones?
[ "lipids", "Proteins", "gymnosperms", "angiosperms" ]
gymnosperms
sciq
da73872f-469d-4d48-9bb6-96132bed1556
In fruit flies, all homeotic genes are found on one what?
[ "genome", "site", "enzymes", "chromosome" ]
chromosome
sciq
7d4ed25e-dc5b-414b-82a0-256d3303d3d8
Certain medications can suppress the immune system. this is an intended effect of drugs given to people with what?
[ "genetic disorders", "infections", "benign tumors", "transplanted organs" ]
transplanted organs
sciq
138f1832-2ce2-4fee-9ee0-927780641691
The geometry of the bf 3 molecule is called what?
[ "fractal planar", "distorted planar", "spherical planar", "trigonal planar" ]
trigonal planar
sciq
be0d1197-8b05-4a1b-b463-dd862235144e
In multicellular organisms, mutations can be subdivided into germline mutations and?
[ "somatic mutations", "comparative mutations", "elective mutations", "resultant mutations" ]
somatic mutations
sciq
5afe706a-10a0-495d-8c4b-bd113395e8cf
What is the name for a biologist who studies fungi?
[ "egyptologists", "musicologists", "mycologists", "oncologists" ]
mycologists
sciq
9e06415a-d491-4409-84ea-c1ba4161baa2
How many different kinds of ions are produced when sodium chloride dissociates ?
[ "two", "five", "one", "three" ]
two
sciq
53977291-0aa2-4ea3-b247-7c1423621ff7
What mineral is made of one silicon atom and two oxygen atoms?
[ "quartz", "pumice", "cobalt", "glass" ]
quartz
sciq
1283eb38-8587-4522-a405-95a64087a9c6
How many cycles do cells have?
[ "two", "seven", "six", "four" ]
four
sciq
7b1eb114-e488-4a90-a5e0-582830551e0d
Gas particles can move randomly in what directions?
[ "one direction", "few directions", "all directions", "some directions" ]
all directions
sciq
16758581-f3ce-4080-b3d5-073650149467
The total number of protons and neutorns in an atom is called what?
[ "atom number", "volume number", "formation number", "mass number" ]
mass number
sciq
453c66bd-2ef4-42fe-b8ae-0512ba03abf6
All matter is composed of tiny indivisible particles called atoms. all atoms of an element are identical in mass and this?
[ "liquid properties", "electrical properties", "chemical properties", "acid properties" ]
chemical properties
sciq
a6e927d6-e146-484b-be5b-5ba3af948b80
Where do lightnings build up?
[ "troposphere", "clouds", "air", "stratosphere" ]
clouds
sciq
a03087ee-f1c9-473b-befb-a95a1b6729c4
What do we call zeros that appear after nonzero digits?
[ "significant digits", "placeholders", "left-end zeros", "right-end zeros" ]
right-end zeros
sciq
a997f047-21f6-4145-8de2-de1c94ec6c58
What term is used to describe a bond formed by the overlap of orbitals in an end-to-end fashion, with the electron density concentrated between the nuclei of the bonding atoms?
[ "rna bond", "beta bond", "sigma bond", "lattice bond" ]
sigma bond
sciq
120d2dd1-b45a-435c-9df5-ebf778c5279b
According to count rumford, which two are equivalent ways of transferring energy?
[ "osmosis and heredity", "time and space", "addition and multiplication", "heat and work" ]
heat and work
sciq
a50c19c8-5196-44e1-9e6b-b2a96a0861da
What type of radio waves exist in the 540 to 1600 khz frequency range?
[ "sound waves", "fm radio waves", "microwaves", "am radio waves" ]
am radio waves
sciq
5e393341-b919-4a64-8504-46cab98ac24a
What type of cells make up about one quarter of all white blood cells?
[ "erythrocytes", "tumors", "lymphocytes", "Fat" ]
lymphocytes
sciq
17731892-cf24-41eb-a1ac-0858bc4e6242
The mass of the objects and the distance between them affect the strength of what universal force?
[ "gravity", "motion", "weight", "states of matter" ]
gravity
sciq
9aa35698-665d-4b99-baae-41f24f108add
Without the dominant disturbance, the fire-adapted species are usually outcompeted and biodiversity is what?
[ "increased", "unaffected", "immaterial", "reduced" ]
reduced
sciq
a59ec45f-14e4-4515-b5bb-dd33c2244ea1
Constantly going through some form of growth and repair is a characteristic of all what?
[ "bacteria", "mass", "viruses", "living things" ]
living things
sciq
8537cbcd-23c2-4f08-b65b-a5d1760b7212
Positive charges move in the direction of the electric field and the same direction as what current?
[ "conventional current", "relativity current", "alternating current", "direct current" ]
conventional current
sciq
2950aee6-6332-49e7-b03a-23f65ac1a4dd
Redox reactions, like other chemical reactions, begin with a product and end with what?
[ "stimulant", "decomposition", "plasma", "reactant" ]
reactant
sciq
da32e3e5-38c5-4aad-87b0-830f3fae67a8
How does alcohol expand over a wide range of temperatures?
[ "uniformly", "exponentially", "variably", "erratically" ]
uniformly
sciq
cb8e7ce2-c6f3-4b5a-983f-62b4fe3a2cae
How many years ago may the earliest fungi have evolved?
[ ".250 million", ".350 million", "500 million", "600 million" ]
600 million
sciq
ff1c2f4c-fb4f-46de-8d86-32427d6af312
What are the bones in partly movable joints held in place by?
[ "socket", "tendons", "cartilage", "collagen" ]
cartilage
sciq
9acf4ef8-bf32-473c-9c8b-f55266859cd0
Sepals, petals, stamens, and carpels are what kind of organs?
[ "floral", "reproductive", "marine", "animal" ]
floral
sciq
778103bc-b334-423a-ba70-a459c2ec8d94
How do most growing plant cells expand?
[ "through photosynthesis", "through water uptake", "through cell respiration", "through germination" ]
through water uptake
sciq
db2199eb-262f-498b-87d3-d203448fabce
What is the common term for the chemical formula h 2 0?
[ "water", "hydrogen", "oxygen", "air" ]
water
sciq
2abbf5fe-e53e-4272-a8c5-35dd8a8d7eae
What kind of reaction is needed to prepare amides?
[ "carboxylic acid reaction", "amino acid reaction", "oxidize acid reaction", "lipophilic acid reaction" ]
carboxylic acid reaction
sciq
37cbb9d7-7145-4d58-a022-58d7204b1314
What is the process by which the egg is fertilized by the pollen of the same flower?
[ "self formation", "self realization", "self condensation", "self pollination" ]
self pollination
sciq
c4dfcd58-e8d5-4091-af64-9c9fad9d3014
In moss, what becomes elongated to elevate the capsule to enhance spore dispersal?
[ "risa", "sera", "seta", "porta" ]
seta
sciq
ada01d9c-98ef-4ed9-bbd6-ed948ab905c5
What is the base unit that frequency is typically measured in?
[ "degrees", "watt", "hertz", "volume" ]
hertz
sciq
48b915e1-6033-4b55-8b2a-a78e2bf646c0
Controlling muscles and maintaining balance are just two of the roles of what system?
[ "nervous system", "digestive system", "electrical system", "bacterial system" ]
nervous system
sciq
896e7317-8c5f-4826-825d-f1e25f551201
Displacement divided by time is equal to the average what?
[ "force", "velocity", "speed", "acceleration" ]
velocity
sciq
fd327ca0-8d0c-43a3-a2ef-b31b5e30dcc4
The complete hydrolysis of starch yields what?
[ "glutamate", "sucrose", "glucose", "insulin" ]
glucose
sciq
afb5985e-5a77-43a5-915d-8a40d7f492ef
What term describes an imbalance of attractive forces between liquid molecules at the surface of a liquid?
[ "currents tension", "surface tension", "obsolute tension", "molecular tension" ]
surface tension
sciq
6ea12952-4d72-4442-8ca1-f0cf180c1ae7
In mammals, four specialized types of what serve to cut, tear, and grind food?
[ "teeth", "plates", "spines", "scales" ]
teeth
sciq
f8d3c6fd-da44-43c7-9e5e-04078b1df9f2
Atherosclerosis and coronary heart disease are examples of what type of body system disease?
[ "digestive system", "cardiovascular system", "excretory system", "connective system" ]
cardiovascular system
sciq
efbb0e1c-5413-4c26-ab26-7e58895711ab
When cats mark their territory by rubbing their face against an object, they deposit chemicals released by what structures?
[ "taste buds", "scent glands", "pituitary glands", "whiskers" ]
scent glands
sciq
00a1bd6d-d2ff-43f4-bac6-de8d656df8ba
Like other bryophytes, moss plants spend most of their life cycle as?
[ "copepods", "gametophytes", "spores", "bacteriophages" ]
gametophytes
sciq
4c70b34f-fd68-41d5-8df3-b5be7e712d61
What is a benefit of low sulfur coal over high sulfur coal?
[ "less pollution", "less erosion", "lower cost", "greater enerty" ]
less pollution
sciq
2e34640f-8986-45bc-8d50-409ed791451d
Wings of bats and birds serve the same function. which body part should you study to understand ancestral differences?
[ "bones inside wings", "skin and feathers", "skull size", "skin inside wings" ]
bones inside wings
sciq
7d12b84c-ea97-4ddf-b901-57bb629c0e33
The best thermal conductors are also the best conductors of what, which is also related to the density of free electrons in them?
[ "sound", "electricity", "pollution", "light" ]
electricity
sciq