id
string
question
string
choices
list
answer_key
string
source
string
993e6ca1-dc23-4c94-9302-e5385a158f41
What tissue do clubmosses have that mosses do not?
[ "chorophyll", "vascular tissue", "dioxide tissue", "nuclei" ]
vascular tissue
sciq
aca3165f-dabf-42d2-9630-fd5e625c692f
The average human body contains 5,830 g of what?
[ "muscle", "bacteria", "water", "blood" ]
blood
sciq
7425672f-a4b7-4a2e-b67b-dfd34bc4b245
What type of speciation occurs when groups from the same species are geographically isolated for long periods?
[ "symbiotic", "asexual", "prokaryotic", "allopatric" ]
allopatric
sciq
7255bdaa-cf86-4f52-8e17-201d5e221c73
What can damage the hair cells lining the cochlea of the inner ear?
[ "unexpected sounds", "amelodic sounds", "loud sounds", "wavering sounds" ]
loud sounds
sciq
6898f44d-7a2d-448f-bd84-e4e236821d03
The boiling point of a solution is higher than the boiling point of the pure solvent, but the opposite occurs with this?
[ "dissolving point", "evaporation point", "freezing point", "liquidity point" ]
freezing point
sciq
27b93e21-391b-48b7-914c-331b6861e87c
What is the network of vessels and tissues that carry a clear fluid called lymph called?
[ "cleansing system", "lymphatic system", "vessel system", "excretory system" ]
lymphatic system
sciq
a0955e97-32da-4e83-b8f8-a85773abbf4f
What is defined as the change of water from its liquid phase to its gaseous phase?
[ "evaporation", "condensation", "absorption", "transpiration" ]
evaporation
sciq
92299c57-72da-4ef4-85d4-b51dcee7c003
Radiation, chemicals, and infectious agents are types of what?
[ "mutagens", "endogenous", "dioxins", "mutations" ]
mutagens
sciq
0432c185-c7d6-41cd-9db3-81c7d1edf9c9
What type of matter transmits light without scattering it?
[ "translucent", "transparent", "clean", "bioluminescent" ]
transparent
sciq
6c596846-cc63-4c7e-a043-990c980bc7bb
Steam actually consists of tiny droplets of liquid what?
[ "water", "methane", "mercury", "lead" ]
water
sciq
be846d19-666c-4432-80bc-36854d4501e6
What mammalian class has the greatest ability to learn?
[ "apes", "rats", "reptiles", "humans" ]
humans
sciq
35c23e93-9564-4b57-ab13-01a0ab40081c
What is the part of the cardiovascular system that carries oxygen-rich blood away from the heart, to the body, and returns oxygen-poor blood back to the heart?
[ "systemic circulation", "somatic system", "molecular circulation", "peripheral nervous system" ]
systemic circulation
sciq
7896b57c-9b3b-4474-9bf4-43774ef81950
What causes polarization in a neutral object?
[ "combining of charges", "signaling of charges", "separation of charges", "meaning of charges" ]
separation of charges
sciq
3df60916-4101-425f-8e6f-c3a1a2025d68
Cells in blood include red blood cells, white blood cells, and what?
[ "plasmids", "protons", "droplets", "platelets" ]
platelets
sciq
03d9f937-fd2e-4a21-bc73-837b14f4aef9
What substance is created when a copper turns from reddish brown to greenish brown?
[ "rust", "copper oxide", "iron oxide", "copper alloy" ]
copper oxide
sciq
ae57be77-12f1-4972-ab20-a70bd5e29aad
The egg shell membrane encloses the nucleus containing the genetic material and what?
[ "cerebellum", "cytoplasm", "exoskeleton", "enamel" ]
cytoplasm
sciq
d7cb78e0-d38f-4367-9b16-2f7b54547af1
According to dalton's law, unless they chemically react with each other, individual gases in a mixture of gases do not affect each other’s what?
[ "mass", "density", "pressure", "weight" ]
pressure
sciq
3b22c94c-486b-45fa-bc08-30735301cd74
How many mass distinctions have radically altered the history of life?
[ "five", "one", "six", "four" ]
five
sciq
b37040aa-72b2-4832-9a91-05703b22ac4c
The vector sum of all the torques acting on an object is called what?
[ "peak capacity", "net torque", "homeostasis", "torque load" ]
net torque
sciq
1e98c161-2559-40f0-b588-d171ab412773
What determines how strongly an atom attracts electrons to itself?
[ "ionization", "enthalpy", "gravity", "electronegativity" ]
electronegativity
sciq
18578306-1128-4aad-81dc-de8351ba2fec
Looking directly at what celestial object can cause blindness?
[ "Moon", "sun", "earth", "Haley's Comet" ]
sun
sciq
e20f465c-d01d-4292-aff4-1b403263305c
The amount of kinetic energy in a moving object depends directly on what two factors?
[ "revolution and velocity", "gravity and weight", "inertia and momentum", "mass and velocity" ]
mass and velocity
sciq
58879be0-bcdd-4739-bc36-b52582945acc
What is the movement of fluid out of the capillaries called?
[ "diffusion", "osmosis", "absorption", "filtration" ]
filtration
sciq
88e963e4-f8c1-4df3-8883-a9344e4f6520
The prevalence of cervical cancer in the united states is very low because of regular screening exams called what?
[ "pap smears", "mammograms", "Stavros smears", "prostates exams" ]
pap smears
sciq
c9b778a5-4796-4e82-a180-144ce373ddfa
There is a predictable amount of solute that can be dissolved at what?
[ "light speed", "room temperature", "specific temperature", "flat rate" ]
specific temperature
sciq
d1e52641-3ec6-4462-b543-4c86a1535891
Carrier proteins bind and carry the molecules across what cell structure?
[ "cell membrane", "plastid", "cell wall", "nucleus" ]
cell membrane
sciq
fce27f18-a6e5-4f77-9930-a35f1e5aed69
As per hutton's unconformity, what happened to the intermediate layers of rock?
[ "they metamorphized", "they fused", "they eroded away", "they expanded" ]
they eroded away
sciq
6df52a5c-9845-4986-a7dd-c5b5e58625b2
What kind of summers do humid continental climates have?
[ "wet summers", "cold summers", "warm summers", "dry summers" ]
cold summers
sciq
37651d52-b1ee-45ac-bfa0-07b754f40a1f
Compared to others, what type of liquid has a relatively high surface tension and heat capacity?
[ "water", "oil", "blood", "wine" ]
water
sciq
34707381-47d1-4a65-8dee-209d896d4167
Cilia and flagella are extensions of what?
[ "cell nucleus", "cell wall", "protoplasm", "plasma membrane" ]
plasma membrane
sciq
7104f943-ba14-45a9-bde4-fffab71deebe
Mercury and lead, which was once widely used in paint and gasoline, are examples of what type of metals?
[ "gaseous heavy metals", "toxic heavy metals", "alloys", "sulfuric heavy metals" ]
toxic heavy metals
sciq
df2da507-0e2f-487f-99c6-57b598cd5adb
During karyogamy, the haploid nuclei contributed by the two parents fuse, which produces what?
[ "cancer cells", "mutated cells", "diploid cells", "arisen cells" ]
diploid cells
sciq
d3d50d0b-8f14-41d1-acd4-6940bc40383b
What is polyisoprene better known as?
[ "styrofoam", "rayon", "rubber", "silicon" ]
rubber
sciq
e121d88d-33a4-4933-b167-960c02a5fcd7
Every chemical reaction occurs with a concurrent change in what?
[ "mass", "energy", "hydrogen", "neutrons" ]
energy
sciq
47a9fd5d-4231-48f1-b91a-64d5af0c4704
What receives blood in the heart?
[ "chamber", "ventricle", "the epidermis", "the atria" ]
the atria
sciq
88b04348-8d6f-4132-839e-6b987f77c617
Fatty acids, triglycerides, phospholipids, and steroids are examples of what?
[ "lipids", "proteins", "tissues", "enzymes" ]
lipids
sciq
e999f918-4eff-434d-8396-c041445f9f1f
Where in the cell does photosynthesis occur?
[ "genome", "chloroplast", "pathogen", "cell wall" ]
chloroplast
sciq
8e12950e-e837-423d-821e-d094edebe195
Sympathetic stimulation also triggers the release of epinephrine and norepinephrine, which enhance both cardiac output and what else?
[ "vasodilation", "digestion", "inhibition", "vasoconstriction" ]
vasoconstriction
sciq
154da524-f17c-4166-a354-85ecb9646ba9
Not surprisingly, centipedes, millipedes and other members of the subphylum myriapoda are adapted to living on what?
[ "water", "tree", "sand", "land" ]
land
sciq
1a1d1b16-8cd3-46d3-9726-131cb2861d16
What are found in moist forests that break down decaying plant material?
[ "trichina", "organism", "spirogyra", "myriapoda" ]
myriapoda
sciq
8644f84f-3435-450c-8185-8d267ee4c752
By breaking down wastes and remains of dead organisms, decomposers perform what function in an ecosystem?
[ "symbiosis", "recycling", "collecting", "reproduction" ]
recycling
sciq
cc94f6e3-1ecc-4cd8-81d8-db99efa8bda7
What are sugars broken down into in your digestive system?
[ "starch", "nicotine", "glucose", "insulin" ]
glucose
sciq
04295ec9-35de-4407-ace8-2ec8c09d1701
Approximately how many weeks does the fetal period last?
[ "27 weeks", "10 weeks", "30 weeks", "25 weeks" ]
30 weeks
sciq
0ff16532-d955-4e1f-a281-5dc72bcb74bd
Because dizygotic twins develop from two eggs fertilized by two sperm, they are no more identical than siblings born at what?
[ "other times of day", "different times", "different places", "other eras" ]
different times
sciq
7c2312f1-2fcb-4624-857f-00ba12c98184
What is the plasma membrane mainly composed of?
[ "phospholipids", "antibodies", "carbon", "filaments" ]
phospholipids
sciq
08e799a4-ee33-476d-a42a-365d31e018e3
Astronomers have wondered if the universe is expanding fast enough to escape the pull of what?
[ "gravity", "kinetic energy", "light", "Coreolis effect" ]
gravity
sciq
3b983c8e-5048-4a68-92ef-67e25fccc45d
When someone falls, the kinetic energy the person has upon reaching the floor is the amount of what energy lost by falling through height?
[ "nuclear energy", "gravitational energy", "potential energy", "thermal energy" ]
potential energy
sciq
715a4e1c-c867-4e58-931e-ad202975f942
What are protons and neutrons that make up the nucleus of an atom called?
[ "nucleons", "baryons", "pions", "electron shells" ]
nucleons
sciq
30402b2e-e605-43d1-9982-73fe6d4327fe
The sun, stars, moon, planets and comets are all type of what objects?
[ "universal", "extraterrestrial", "celestrial", "spacial" ]
celestrial
sciq
61b6851e-2593-4fbc-95e7-fdeef0e55c48
What is the total number of codons?
[ "64", "51", "68", "45" ]
64
sciq
de94bd59-2367-45d5-83e5-b5f0d0f41e75
Solution nodes and antinodes are both areas of wave interference, but they differ in the presence of what condition?
[ "gravity", "speed", "motion", "radiation" ]
motion
sciq
45b9d000-e126-434e-9067-31da1470f02c
While similar to insects, what eight-legged invertebrates lack antennae or wings?
[ "arachnids", "crustaceans", "reptiles", "spiders" ]
arachnids
sciq
22244d5f-a3fc-4357-a723-962527c2ddd0
How many chromosomes do mature gametes contain?
[ "13", "19", "23", "17" ]
23
sciq
b5c1a861-cf7b-4afb-9a39-ab2efd20783f
What is the term for land that has permanently frozen soil?
[ "snow-field", "permafrost", "Arctic", "ice desert" ]
permafrost
sciq
e9e52204-1881-4202-a528-41fe79ceb8a1
When sparks from a steel grinder react with oxygen, what do they form?
[ "steel oxide", "spontaneous combustion", "rust", "iron oxide" ]
iron oxide
sciq
c042d226-2489-4c9c-bc7e-277aa465de8b
What should you learn that allows you to recognize and avoid the dangers of specific hazards when experimenting, such as flames or broken glass?
[ "medical safety symbols", "available safety symbols", "first aid safety symbols", "lab safety symbols" ]
lab safety symbols
sciq
c4f23f9a-38cf-4027-a7aa-0c0e88fa8388
Motor vehicles account for almost half of the consumption of what?
[ "fossil fuel", "greenhouse gases", "electricity", "hydrocarbon" ]
fossil fuel
sciq
99139cac-9aca-492c-aa7f-fb5465562252
Bacterial stis can be cured with what?
[ "antibiotics", "pesticides", "antioxidants", "antiviral drugs" ]
antibiotics
sciq
2b51cc20-2b79-4908-8f67-1420ea066510
Fats are also called triacylglycerols or triglycerides because of their what?
[ "elemental type", "atomic number", "chemical weight", "chemical structure" ]
chemical structure
sciq
73272cfe-cb16-4d1b-b11e-45e3990a3a37
What mammalian structure allows the exchange of gases, nutrients, and other substances between the fetus and mother?
[ "notochord", "placenta", "mitochondria", "uterus" ]
placenta
sciq
f4ea738c-c059-45f4-b015-388df5f2cfd1
Fossil fuel consumption is a major contributor to global emissions of what gas?
[ "carbon dioxide", "methane", "carbon monoxide", "oxygen" ]
carbon dioxide
sciq
900e106e-8cba-4ba3-8e0a-c2e7c8defc05
What is the main function of blood?
[ "excretion of waste", "to transport", "respiration", "digestion" ]
to transport
sciq
111d4a5c-91b5-4b63-a68f-30b885c9b50e
Biotechnology is the use of biological agents for technological advancement. what two areas are the primary applications of this technology used?
[ "medicine and psychology", "medicine and architecture", "medicine and agriculture", "medicine and philosophy" ]
medicine and agriculture
sciq
8b046069-032c-439c-8a1e-ef38bdcfa883
Unlike free-living species of flatworms that are predators or scavengers, what forms feed from the tissues of their hosts?
[ "aquatic", "parasitic", "mutualistic", "herbiverous" ]
parasitic
sciq
d71a979d-367c-4a00-afc9-e4baf2bb294a
When heat flows into an object, its thermal energy increases and so does its what?
[ "temperature", "speed", "color", "matter" ]
temperature
sciq
64c1a8c6-d8c9-4704-9ad1-bd3a63795d11
What are telescopes that use lenses to bend light called?
[ "sliding telescopes", "refracting telescopes", "layering telescopes", "reflecting telescopes" ]
refracting telescopes
sciq
b668f3e6-6409-4120-9891-2c06842c679c
The science of analyzing tree rings is called what?
[ "estradiol", "algorithms", "conservation", "dendrochronology" ]
dendrochronology
sciq
c519d315-19aa-4edc-bc97-6d65ee634f1b
Which type of arthritis causes the immune system to attack joints?
[ "Osteoarthritis", "rheumatoid", "Spondylarthropathies", "Gout" ]
rheumatoid
sciq
6cc8082f-dbb1-4600-bdb4-c26f27aebe49
A species is a subdivision of a genus in what classification system?
[ "mammalian", "crocodilian system", "calcareous system", "linnaean system" ]
linnaean system
sciq
2ebc1940-eedd-4ac3-87cc-d28ac8831da3
What is the force that pulls particles at the exposed surface of a liquid toward other liquid particles called?
[ "conservative tension", "surface tension", "shinking tension", "transfer tension" ]
surface tension
sciq
64f68d41-0273-40bf-9aed-e0ed76847e24
What state is achieved when the body's internal environment is kept more-or-less constant?
[ "consciousness", "cancerous", "hypothesis", "homeostasis" ]
homeostasis
sciq
07fe7ae2-d599-4a32-a045-f1ee195a3f16
Kinetic and potential are two forms of what?
[ "exercise", "fuel", "energy", "pressure" ]
energy
sciq
036853b0-8285-4ee8-819c-ad1f020ec795
Humans are unique in their ability to alter their environment with the conscious purpose of increasing what, which acts as a limiting factor on populations in general?
[ "carrying capacity", "containing capacity", "density dependent limitation", "niche" ]
carrying capacity
sciq
78743d06-18b9-4875-bcd9-e0344c63084e
A desmosome is a cell structure that anchors the ends of what fibers together?
[ "controllable muscle", "skeletal muscle", "cardiac muscle", "smooth muscle" ]
cardiac muscle
sciq
79d67d42-65f2-44e8-aaad-c1f083b8eafe
How much space a surface covers is known as what?
[ "Flatness", "Height", "Lenght", "area" ]
area
sciq
c66e89ce-634c-4343-996a-735f2c99c605
What do aquatic arthropods use to exchange gases?
[ "diaphragm", "lungs", "pores", "gills" ]
gills
sciq
361ec43c-26dc-4b96-8b7c-a5f0e52d09ca
What kind of rays can travel thousands of meters through air and can penetrate and damage cells deep inside the body?
[ "plasma rays", "x-rays", "gamma rays", "cosmic rays" ]
gamma rays
sciq
8065fc1a-01d6-4458-a2de-5923645c9eb8
Of the three types of skeleton designs - hydrostatic skeletons, exoskeletons, and endoskeletons - which do humans possess?
[ "endoskeleton", "none of the above", "hydrostatic skeleton", "exoskeleton" ]
endoskeleton
sciq
dff99bba-f14a-4e72-9e7e-d396a85b28d7
What regulates homeostasis and basic survival behaviors?
[ "cell membrane", "mitosis", "hippocampus", "hypothalamus" ]
hypothalamus
sciq
23b0ed3d-e477-4bf0-be08-b262d54b9595
What device changes kinetic energy to electrical energy through electromagnetic induction?
[ "Emission generator", "due generator", "electric generator", "real generator" ]
electric generator
sciq
c1250c9d-d77c-480f-a902-1fe05531173f
What are two nonliving things that all living things need for survival?
[ "water and air", "methane", "sunlight", "calcium" ]
water and air
sciq
fa4780dc-abd9-4799-85f5-2ced199961cf
The fight or flight response involves what system?
[ "autonomic nervous system", "voluntary nervous system", "cellular nervous system", "functional nervous system" ]
autonomic nervous system
sciq
8d14e9e0-8bd9-4ed5-997e-a246f89c1048
How many types of galaxies are there?
[ "three", "five", "one", "two" ]
three
sciq
9229f617-90e7-49e9-b16a-6e2b8c94b641
Skin color is controlled by genes but also influenced by exposure to what?
[ "makeup", "sunlight", "precipitation", "food" ]
sunlight
sciq
fbcc45e4-e867-4c72-90cb-2b9e7a6ceb84
Higher temperatures increase the rate of reaction in a lot of chemical reactions because they increase the frequency of what interaction between reactant particles?
[ "explosions", "electric", "collisions", "waves" ]
collisions
sciq
f445bee3-eefa-40dd-8df7-0a21589f8413
Knees and elbows are examples of what part of the skeletal system?
[ "muscles", "nerves", "joints", "cartilage" ]
joints
sciq
8138bfda-4a37-41ac-8d9c-f945203d8a7e
Einstein’s equation helps scientists understand what happens in nuclear reactions and why they produce so much what?
[ "hydrogen", "energy", "food", "light" ]
energy
sciq
2cca1597-c196-4e4c-b472-624fc6e87e59
Ovulation is the release of an egg from the what?
[ "ovary", "cervix", "vagina", "fallopian tubes" ]
ovary
sciq
9bdca78c-7399-44e2-9580-5bdebe77fc79
The process in which the nucleus divides is called what?
[ "mitosis", "epistasis", "cytokinesis", "meiosis" ]
mitosis
sciq
4f497903-e82e-4a18-a68b-7f49678685c3
What is used to recrystallize excess dissolved solute in a supersaturated solution?
[ "fertilizer crystal", "energy crystal", "starter crystal", "seed crystal" ]
seed crystal
sciq
c4cfccd9-678c-4e7a-a483-795081ec79e8
Our bodies use what, primarily in the form of glucose, for our immediate energy needs - although they are not as energy dense or capable of long-term storage as lipids?
[ "carbohydrates", "proteins", "electrolytes", "enzymes" ]
carbohydrates
sciq
b7ab7bd4-41dc-42ea-8da3-48592c6bb264
What part of the body do ants use to detect chemicals?
[ "antennae", "fins", "eyes", "thorax" ]
antennae
sciq
8a9c021c-cd64-46b1-a294-28e707aa4dac
Water has the properties of cohesion and what else?
[ "diffusion", "degradation", "absorption", "adhesion" ]
adhesion
sciq
45cd88c6-9e31-4752-9f80-c5c7dbbaef66
Fitness and natural selection are parts of what theory that might describe how organisms change over time?
[ "evolution", "implementation", "gravity", "dessication" ]
evolution
sciq
262781bb-690b-4dca-99cd-3d2442874c89
What three forces are involved in erosion?
[ "water, wind, gravity", "heat, pressure, gravity", "radiation, gravity, precipitation", "water, temperature, altitude" ]
water, wind, gravity
sciq
79291b56-ba00-4ea7-9512-24994baacc8d
Thermodynamics do not give us any insight into what attribute of spontaneous processes?
[ "acceleration", "rate", "decrease", "increase" ]
rate
sciq
149267c5-f43c-4dba-81d5-38297e1fea26
What is the main source of hydrocarbons?
[ "decomposers", "photosynthesis", "fossil fuels", "greenhouse gases" ]
fossil fuels
sciq
a07c5a9b-0ef3-414d-9d70-3cfdbbecaac7
What is the process of the blastula forming 3 layers of cells called?
[ "Mitosis", "internalization", "gastrulation", "fermentation" ]
gastrulation
sciq
f38ed54f-aa79-4db3-9a62-211c8a638730
How does air pressure change as altitude increases?
[ "It increases", "goes up and down", "stays the same", "it decreases" ]
it decreases
sciq
4c4e4b16-dc64-4306-aee7-e305a048f625
In harmonic motion there is always what force, which acts in the opposite direction of the velocity?
[ "restorative force", "inorganic force", "locomotion force", "magnetic force" ]
restorative force
sciq