id
string
question
string
choices
list
answer_key
string
source
string
670d2e38-89aa-4219-9230-bcc00e73b37e
What type of reproduction begins when an egg and sperm combine?
[ "natural reproduction", "asexual reproduction", "regular reproduction", "sexual reproduction" ]
sexual reproduction
sciq
8b1d5cda-9781-4f8d-b166-718c43989874
What are long chains of amino acids?
[ "lipids", "proteins", "Fatty Acid Chains", "cells" ]
proteins
sciq
e52fc0b8-6e02-4ee8-a7e0-7daa843ba44b
What phase exists when all the water in a container has physical properties intermediate between those of the gaseous and liquid states?
[ "supercritical fluid", "hydrothermal fluid", "impregnation fluid", "stationary fluid" ]
supercritical fluid
sciq
de2b7f5b-3937-4421-a675-22d376e24f9a
What do you call the movement of a substance from an area of a higher amount toward an area of lower amount?
[ "diffusion", "precipitation", "filtration", "extraction" ]
diffusion
sciq
7922d5a5-b604-4658-91d3-6cf1ba8b962c
Each myofibril is made up of two types of proteins, called actin and what?
[ "elongation", "myosin", "dynein", "Fatty Acid" ]
myosin
sciq
4b5d4647-92ac-46c5-9a4f-9175cb23e04a
If the experimental value is less than the accepted value, the error is what?
[ "positive", "negative", "caused", "effective" ]
negative
sciq
76fe9d13-943f-478b-b160-e474e7f2b375
According to which process, sublevels and orbitals are filled with electrons in order of increasing energy?
[ "Schrodinger's cat", "hausen", "particle dynamics", "aufbau" ]
aufbau
sciq
7c65a84f-fe75-4c46-bc4e-ffc3bdceb874
The roughness of interacting surfaces and the magnitude of force pushing one object onto another are two factors related to what force?
[ "temperature", "friction", "energy", "tension" ]
friction
sciq
4f11ff5a-a30e-450e-803b-76d196e96e09
How many types of leptons are there?
[ "two", "twelve", "nine", "six" ]
six
sciq
265f8e22-3298-4725-8c9f-434350fdc0f8
Plants, algae and bacteria are all examples of what type of organism?
[ "photosynthetic", "unicellular", "microbes", "skeletal" ]
photosynthetic
sciq
82f6a05d-8099-4930-aba0-8c0757f71af0
What forms after air cools below its dew point?
[ "fog", "plasma", "sleet", "smoke" ]
fog
sciq
e65a96a4-919e-4384-8b12-5cfac6c62fc8
In hornworts, the horns are the sporophytes that rise up from what?
[ "the roots", "the polyol gametophyte", "the leaflike gametophyte", "the breaza gametophyte" ]
the leaflike gametophyte
sciq
9678f358-7a59-49f6-af0d-1c3116c4d162
What generally sets the direction that technology takes?
[ "local animals", "local weather", "random chance", "problems of society" ]
problems of society
sciq
ab37c8e3-b04d-4b67-b14f-b688e6217938
Living things that feed on others are generally known as what?
[ "consumers", "customers", "isolators", "producers" ]
consumers
sciq
0d9912dc-5139-462c-8675-8db3dad3be54
What is an isotope that is radioactive called?
[ "isotopes", "radionuclides", "matured isotope", "radioisotopes" ]
radioisotopes
sciq
76d99224-8e9e-4e6f-8797-1ea8d4680c51
What is a compound that can form ions when it dissolves in water called?
[ "isolate", "electrolyte", "compound", "sulfate" ]
electrolyte
sciq
131c9fec-f7e2-4910-ac02-4f1f69c119d7
When using a generator, we are transforming what energy into what energy?
[ "mechanical into thermal", "thermal into radioactive", "magnetic into kinetic", "kinetic into electrical" ]
kinetic into electrical
sciq
23ab31ea-373a-48e4-801c-b1bd6b565c51
What kind of resource is soil?
[ "viable", "nonrenewable", "finite", "renewable" ]
renewable
sciq
f982a688-4b66-49aa-92e9-96913dccdb29
What is the term for the stalk connecting a leaf to a stem?
[ "blades", "cuticle", "petiole", "base" ]
petiole
sciq
c5a9d15f-bf4c-4235-982b-db44e0980fe3
What are the specialized cells within the brain called?
[ "electrons", "neurons", "ions", "protons" ]
neurons
sciq
79741f04-57cb-422f-861e-3cbbafa5db33
What stimulates the production of milk by the mammary glands following childbirth?
[ "progesterone", "estrogen", "prolactin", "melanin" ]
prolactin
sciq
cd9784f8-0aa1-4d4b-a692-37b29a165da6
In vascular plants, the sporophyte generation is what?
[ "dominant", "non-existant", "submissive", "resting" ]
dominant
sciq
8835f596-dab7-4d9f-9473-baa7db567afa
What organ system transports blood through the body and to and from the lungs?
[ "nervous", "metabolism", "digestive", "circulatory" ]
circulatory
sciq
a7a378cc-2c9a-4491-90ec-017efde25b59
"cardio" has become slang for what type of exercise that raises your heart rate for an extended amount of time?
[ "anaerobic", "cyclical", "kinetic", "aerobic" ]
aerobic
sciq
dd4f5b80-486b-4bc0-9a79-5572efbe23f5
How many protons do all atoms of a particular element have in their nuclei?
[ "three", "varying number", "zero", "same number" ]
same number
sciq
9f9159bf-edfc-4b72-a262-bc139d755434
One of the five fundamental conservation laws in the universe refers to conservation of what, which is the product of mass and velocity?
[ "fluid", "momentum", "energy", "light" ]
momentum
sciq
250141b6-aa7b-43e8-96e8-5a13ad272f7c
Copper oxide is a result of what two substances mixing?
[ "copper and oxygen", "copper and gas", "crystal and oxygen", "metal and oxygen" ]
copper and oxygen
sciq
845f1bbd-7cc3-4abd-9593-1dba24957b2b
The process of getting oxygen into the body and releasing carbon dioxide is called?
[ "osmosis", "precipitation", "persperation", "respiration" ]
respiration
sciq
8ae88269-01b3-4cf2-bc41-399612aa0a16
Someone who believes something despite the evidence is referred to by what term that references a false belief about our planet?
[ "flat-earther", "solid - earther", "conspiracy theorist", "geocentric-earther" ]
flat-earther
sciq
14adfe24-0a8a-4dbb-8134-283eb1cebd7b
Which cells continue the digestion and absorption of nutrients and transport these nutrients to the lymphatic and circulatory systems?
[ "myocyte", "epithelial cells", "neurons", "blood cells" ]
epithelial cells
sciq
053c0cde-ca34-4d73-bb07-2aa78a19fa72
Pressure is defined as the force per unit area on?
[ "gravity", "surface", "speed", "weight" ]
surface
sciq
7e301b73-878e-4d04-a29c-2c9e7cff9ea3
What do body cells use for energy?
[ "solvents", "mixtures", "chlorophyll", "sugars" ]
sugars
sciq
98985d77-061c-4aa9-b54b-e15aaa6c3825
What force pulls people and objects toward the center of the earth?
[ "gravity", "magnetism", "motion", "variation" ]
gravity
sciq
53bcacd7-3a2a-4df6-b989-cc4bf67b1fec
The rate of decay of carbon-14 does what over time?
[ "becomes unstable", "increases", "decreases", "remains stable" ]
remains stable
sciq
2d4685e9-67fa-444a-b835-cb9468457000
What behavior includes all the ways that animals interact with each other and the environment?
[ "animal behavior", "adaptation", "instinct", "interdependence" ]
animal behavior
sciq
b664e315-ee1a-4c28-9f2d-30af6bdec5af
Food chains carry energy from what group to what group?
[ "decomposers to producers", "refiners to consumers", "consumers to producers", "producers to consumers" ]
producers to consumers
sciq
b7509103-9403-4fee-8882-ac15358d8548
What are professionals in technology are generally called ?
[ "doctors", "engineers", "biomechanics", "scientists" ]
engineers
sciq
4ebc7a14-c319-421f-9686-6a4b4a58a50c
What force occurs whenever two surfaces come into contact?
[ "gravity", "vibration", "friction", "tension" ]
friction
sciq
0bd22fbd-49e1-448f-8192-820ee898c4d0
The anatomy of primate eyes shows they tend to rely more on vision than what sense, which is dominant in many other mammals?
[ "smell", "touch", "hearing", "taste" ]
smell
sciq
eb70d097-249c-441f-b845-7d8b165afa40
What are sensory cells?
[ "specialized neurons or squirm cells", "specialized neurons or epithelial cells", "specialized neurons or navigable cells", "specialized epithelial or squirm cells" ]
specialized neurons or epithelial cells
sciq
bb9f8606-e0f6-42e3-82e4-c2eed3014966
What is it called when waves interact with other waves?
[ "wave collision", "wave impact", "wave interference", "combination interference" ]
wave interference
sciq
ee12bbfd-2f90-4288-a41d-2cbf88280594
What is the ph level for pure water?
[ "ph of 7", "ph of 6.47", "ph of 3.17", "pH of 0" ]
ph of 7
sciq
5534d5b3-96e9-4bd6-8d7c-9922147a846d
What is vital for nervous system functions that include muscle stimulation, memory formation, and learning?
[ "glutamate", "acetylcholine", "glycogen", "thiamine" ]
acetylcholine
sciq
dea2ea57-3ecc-4fec-b245-a10a844eed9d
The benthic zone is found at the bottom of all of what type of biomes?
[ "aquatic", "space", "well", "desert" ]
aquatic
sciq
c91c7f8d-e980-4e72-ab21-94e933846fbe
The hydroxyl radical is highly reactive because it has what?
[ "paired proton", "paired electron", "unpaired electron", "unpaired neutron" ]
unpaired electron
sciq
bcadfc3b-7315-424d-82a9-314626c43c61
Gametes swim with the aid of what structure to the female gametangium, and fertilization ensues?
[ "flagella", "acrosome", "oocyte", "nucleus" ]
flagella
sciq
8c712698-1b67-49dd-83aa-03fac58251e6
A phospholipid is a bond between the glycerol component of a lipid and what else?
[ "chlorine molecule", "phosphorous molecule", "elemental molecule", "oxygen molecule" ]
phosphorous molecule
sciq
f2d342fa-70f0-4c0d-a5d6-1dab018493b6
What connects the fetus to the placenta?
[ "womb", "umbilical cord", "fallopian tube", "amniotic sac" ]
umbilical cord
sciq
495bbc9e-b622-4024-a18b-77186bffb2c9
In desert cactus, thorns that protect the water held in a large, barrel-shaped stem are an example of what?
[ "feature", "adaptation", "characteristic", "species" ]
adaptation
sciq
00f1e8c3-3006-44fc-a3ad-624c6b13f15f
What are the most common dietary lipids?
[ "phospholipids", "diglycerides", "triglycerides", "monoglycerides" ]
triglycerides
sciq
431eb6a1-35f0-40e0-afa5-c46c6eb76484
What process is the opposite of fusion and releases energy only when heavy nuclei are split?
[ "diffusion", "osmosis", "fission", "activation" ]
fission
sciq
0ec8861c-9301-42b4-9b80-d7d722675639
Visible light is the narrow segment of what, to which the normal human eye responds?
[ "phenomena spectrum", "radio spectrum", "electromagnetic spectrum", "molecular spectrum" ]
electromagnetic spectrum
sciq
1b31a195-ea3c-483c-b07f-330f167cfa31
Bromine is much less abundant than fluorine or chlorine, but it is easily recovered from seawater, which contains about 65 mg of br− per what?
[ "gallon", "foot", "liter", "pound" ]
liter
sciq
e9d361aa-c0a3-4c3f-a948-52d0b5db878c
Karyotyping shows whether what structures, which contain genetic information, are normal in number and appearance?
[ "nucleoids", "ribosomes", "chromosomes", "neutrons" ]
chromosomes
sciq
117085ca-b6f5-4d6e-a0f5-74b0b642753d
Real gases deviate from ideal form at high pressure and what other thermodynamic condition?
[ "low pressure", "low temperatures", "high temperatures", "high winds" ]
low temperatures
sciq
f8faf670-3dc0-41ca-8b09-6dac7c83af94
Organic substances, including proteins, carbohydrates, and oils, contain what element?
[ "acid", "carbon", "oxygen", "iron" ]
carbon
sciq
52690034-445c-4a69-a2f5-5f773e7068bd
What term describes anything that occupies space and has mass, and is generally divided into three states?
[ "matter", "lquid", "stuff", "galaxy" ]
matter
sciq
9b04dbec-7256-4ec2-8831-839be5f94ede
When light strikes the rods and cones, they hyperpolarize, shutting off their release of what?
[ "glutamate", "enzyme", "vitreous fluid", "dopamine" ]
glutamate
sciq
2bc981d0-3619-4ccd-ad5a-9c0ff26fae22
The heart contracts rhythmically to pump what to the lungs and the rest of the body?
[ "Chyle", "Cerumen", "blood", "Bile" ]
blood
sciq
d8ae4089-42e6-4f73-a653-47813289df6b
What do light emitters do to what you see?
[ "block frequencies", "subtract frequencies", "add frequencies", "divide frequencies" ]
add frequencies
sciq
eb6e317b-eccd-4842-a95e-d3ef6dcd973a
A turbine using tides in the ocean can create what type of energy?
[ "conversion", "kinetic", "electricity", "diffused" ]
electricity
sciq
d24afa50-c90a-4056-9df1-eb66a6373ba9
The atomic number is the same as the number of what in an atom?
[ "electrons", "ions", "protons", "neutrons" ]
protons
sciq
c835c22d-d537-4bb7-a74d-4f84cec8a46a
What is the closed circulatory system of humans and other vertebrates called?
[ "digestive system", "cardiovascular system", "respiratory system", "reproductive system" ]
cardiovascular system
sciq
93587360-e18d-4b79-b6fb-1710c30310c6
"red-shift" refers to a shift toward red in the spectrum from what celestial bodies?
[ "stars", "comets", "planets", "galaxies" ]
stars
sciq
697cc8fa-9bdd-48ce-9a82-01b576e87711
What is the name for substances with a ph above 7?
[ "acid", "bases", "protein", "nutrient" ]
bases
sciq
62039d43-459a-4d22-b674-10ff813b92e2
The subducting oceanic plate does what as it reenters the mantle?
[ "freezes", "melts", "evaporates", "disappers" ]
melts
sciq
a235ee29-41dd-4e55-b1d2-2b5809ad3676
Which stage of development is a period during which apoptosis is widespread and plays a crucial role?
[ "infancy", "puberty", "embryonic", "transgenic" ]
embryonic
sciq
7f72e8d8-d516-4e7a-bf0b-562a424e36f1
What orifice in the body is particularly helpful in both digestion and respiration?
[ "mouth", "anus", "nostril", "nose" ]
mouth
sciq
32c5e04d-1f9d-4cf1-b6d1-bbbc7f4a4a96
What subphylum, which includes crabs and crayfish, represents the dominant aquatic arthropods?
[ "arachnids", "invertebrates", "sponges", "crustaceans" ]
crustaceans
sciq
a00e88ef-9fb2-494e-b594-664e8e94b4a1
What do neurons pass to the next neuron?
[ "receptors", "neurotransmitters", "blood", "contaminants" ]
neurotransmitters
sciq
8d0196a6-aaef-4e9c-921b-e3363caddb26
What determines which type of precipitation falls in the atmosphere?
[ "air temperature", "time of day", "moon phase", "air density" ]
air temperature
sciq
15251a4a-c171-4366-b4ca-de661e6a615f
The main functions of what complex carbohydrates are to store energy and form structural tissues?
[ "oligosaccharides", "polysaccharides", "polypeptides", "monosaccharides" ]
polysaccharides
sciq
6fa92312-2358-42cd-9e9e-46485aa11e29
High consumption of saturated fats is linked to an increased risk of what disease?
[ "cardiovascular disease", "pulmonary edema", "high blood pressure", "diabetes" ]
cardiovascular disease
sciq
1f7190a9-2c7f-4ef4-bb9b-00188379d8a6
What does hair get its color from?
[ "stimulating pigments", "elasticity pigments", "melanin pigments", "fluorescent pigments" ]
melanin pigments
sciq
109af17c-12c6-445a-a924-4a0a7fc49299
What type of animal in the sea spend most of their lives as medusae?
[ "whales", "sharks", "jellyfish", "fish" ]
jellyfish
sciq
d122130b-d536-4111-9e32-5ee3cca2d4ca
Desert plants have evolved processes to conserve water and deal with harsh conditions. a more efficient use of co2 allows plants to adapt to living with what?
[ "less water", "less competition", "more water", "more sunlight" ]
less water
sciq
dd3afc68-a020-4bc4-b088-3d0f83657a88
Plants, cyanobacteria, and algae are living things that undergo what process and produce glucose?
[ "glycolysis", "cytoplasmic transfer", "photosynthesis", "cellular respiration" ]
photosynthesis
sciq
fcf6d80d-ea24-4f06-80be-13f08b842fcf
All chemical changes involve a transfer of what?
[ "Water", "fuel", "energy", "heating" ]
energy
sciq
1633087b-9f24-4b85-81e8-70b4d7b49117
What is the unique larval form of mollusks called?
[ "scallop", "hydra", "microfilariae", "trochophore" ]
trochophore
sciq
e233f589-8d8f-4617-b5fc-cc35e4ef9c14
A voltage source and a conductor are common to all what?
[ "cooling circuits", "magnets", "thermometers", "electric circuits" ]
electric circuits
sciq
828af4fc-0e2d-40f4-9f5c-b6e87c4d741d
Root systems are mainly of two types. dicots have a tap root system, while monocots have a what?
[ "long root system", "attaching root system", "fibrous root system", "runner root system" ]
fibrous root system
sciq
64425fa1-1a0c-45b8-a36b-f82a32d9a67c
Enzymes in cellular reactions work to do what to the reaction?
[ "increase yield", "speed it up", "slow it down", "decrease heat" ]
speed it up
sciq
2e88ee9e-e99c-44b1-8d09-046af1d4af8b
Bony fish can live in either of what type of aquatic biome?
[ "oceans or estuaries", "estuaries or saltwater", "saltwater or freshwater", "coral reefs or freshwater" ]
saltwater or freshwater
sciq
18e242ee-a10b-4bb3-895c-6212bd16174b
What is categorized by the forces holding the individual atoms, ions, or molecules together?
[ "solids", "gases", "oils", "liquids" ]
solids
sciq
51ab9594-fc41-4ee1-ade3-3c6cc422fde6
What are the two main types of air pollutants?
[ "new and old", "primary and secondary", "a and b", "good and bad" ]
primary and secondary
sciq
b3237553-2b31-4aa5-ad04-4f9c4bbeeeb6
The job of the nucleolus is to build what?
[ "cells", "ribosomes", "electrons", "chromosomes" ]
ribosomes
sciq
dabb033b-2973-4e38-8d50-acebe08b4e0e
For many decades, scientists have known that atoms consist of electrons and other particles called protons and?
[ "waves", "rods", "nanoparticles", "neutrons" ]
neutrons
sciq
a16104fe-9199-448a-a197-f98ce95e7e44
Patients with familial hypercholesterolemia have life-threatening levels of cholesterol because their cells cannot clear what particles from their blood?
[ "high - density lipoprotein (hdl)", "iron (Fe)", "low-density lipoprotein (ldl)", "oxygen (O)" ]
low-density lipoprotein (ldl)
sciq
2d157591-68d0-49c5-88dd-015be2d9a95b
What action, performed multiple times daily, is the single biggest use of water in the home?
[ "watering plants", "taking showers", "flushing the toilet", "washing clothes" ]
flushing the toilet
sciq
1a43a790-97a7-4f64-9d15-db0e275b653e
What is a form of mechanical energy that starts with a vibration in matter?
[ "solar energy", "electrical energy", "sound energy", "industrial energy" ]
sound energy
sciq
e4fc1854-1115-48f6-b836-142873e655d8
What's caused by damaged capillaries in the kidneys so the nephrons can no longer filter blood?
[ "colon failure", "kidney failure", "bacteria failure", "sponge failure" ]
kidney failure
sciq
0d689dcc-5533-49c7-9141-aaea49f14783
What do roots bring in from the soil into the plant?
[ "dirt and minerals", "hormones and fertilizer", "water and nutrients", "pesticides and chlorophyll" ]
water and nutrients
sciq
a9a58f81-bee4-4516-88ea-752df0b831c8
In addition to spiral cleavage, protostomes also undergo which other form of cleavage?
[ "dispersive", "diagonal", "determinate", "straight" ]
determinate
sciq
95c80f7e-0a8a-46bd-a9d0-54d99ceb7dc7
What term is used to describe animals with three germ layers?
[ "multilayer", "triplegerm", "triploblasts", "sporozoans" ]
triploblasts
sciq
d24fb08a-9641-40a9-b4f9-4cce17b6999f
Due to similar function, the wings of bats and birds are referred to as what type of structures?
[ "matching structures", "symmetrical structures", "Identical structures", "analogous structures" ]
analogous structures
sciq
936e73aa-9733-49d2-a937-ce7394bb06be
If the amount of force of that is applied is increased, what happens to the work that a machine is producing?
[ "it is easier", "it's variable", "it is harder", "it's unchanged" ]
it is easier
sciq
9febb66e-097c-4e81-af7e-7201ca60b679
What is the name for speed with a direction?
[ "distance", "velocity", "trajectory", "acceleration" ]
velocity
sciq
ed1a7e74-e0f1-4641-84ae-1c9a72b8ae46
How many types of mechanical waves are there?
[ "three", "five", "one", "nine" ]
three
sciq
525c410c-8a7e-4245-aada-ae5bd029dbac
What is required for a decay chain to end?
[ "radioactive cascade", "stable end-product", "stable half-life", "unstable end-product" ]
stable end-product
sciq
6808380b-d095-473f-872a-fe2deb77c9f9
What do you call the process that results in an animal producing offspring?
[ "creationism", "adoption", "differentiation", "reproduction" ]
reproduction
sciq