id
string
question
string
choices
list
answer_key
string
source
string
1b991a71-8f4c-451c-8542-be69e238c529
A cell with two sets of chromosomes is called a?
[ "diploid", "biploid", "haploid", "chloroplasts" ]
diploid
sciq
8cca45ef-178f-4e2d-b8e4-24cf07b833d9
On the ventral side of the embryonic disc, opposite the amnion, cells in the lower layer of the embryonic disk (the hypoblast) extend into the blastocyst cavity and form this?
[ "neural sac", "yolk sac", "embryo sac", "algae sac" ]
yolk sac
sciq
d159dc7c-f750-44e2-af92-30768cf3ef3e
Pairs of fish that do not practice broadcast what may exhibit courtship behavior?
[ "spawning", "migration", "feeding", "inheritance" ]
spawning
sciq
c7611fd5-08a7-4f4f-9774-45da282e81fe
The van allen radiation belts are two regions in which energetic charged particles are trapped in earth’s what?
[ "magnetic field", "gravitational field", "cloud cover", "ionosphere" ]
magnetic field
sciq
f54ba7bc-4d31-4319-938e-2d54a059759f
What is the lowest level of organism that can perform all activities required for life?
[ "cell", "nucleus", "atom", "system" ]
cell
sciq
89fb8514-b79f-46c8-8b99-7af78a429b08
What umbrella term describes small structures that exist within cells and perform specialized functions?
[ "macromolecules", "atoms", "organelles", "organisms" ]
organelles
sciq
18c60e1b-01ca-4181-bd29-64c91549abbc
What is the continental margin made of?
[ "continental drift", "pangea", "continental crust", "boundary crust" ]
continental crust
sciq
cc08d339-699c-4c85-82a4-48a0c3aec29c
What happens to gas solubility as the temperature increases?
[ "stabilizes", "increases", "decreases", "fluctuates rapidly" ]
decreases
sciq
14a58482-661c-4b8a-af53-09d6f64fe366
What forms when a glacier scrapes a large hole in the ground?
[ "glacial lake", "frozen lake", "melting lake", "drift lake" ]
glacial lake
sciq
1b714bf7-1e0e-43c7-9bbd-89342a801e54
What branch of science holds hope for developing crops with genes that help them withstand harsh conditions?
[ "physics", "biotechnology", "chemistry", "physiology" ]
biotechnology
sciq
54d4ae2a-87ca-4dbf-aadb-0521dbc306f5
In eukaryotic cells, where is the dna kept?
[ "nucleus", "cytoplasm", "epidermis", "mitochondria" ]
nucleus
sciq
451e3c6d-4c5b-4038-989a-c28596245718
What is a measure of the amount of space that a substance or an object occupies?
[ "power", "mass", "volume", "density" ]
volume
sciq
b2d6810d-a699-498b-be84-f41ac52f3c59
What nucleic acid stores the genetic information?
[ "Nucleus", "dna", "Ribosomes", "molecule" ]
dna
sciq
d780bcb3-3917-4632-aea5-111c79bc1c93
Molds growing on foods are a common type of what organisms that play very important roles in almost every terrestrial ecosystem on earth?
[ "mildew", "yeast", "pollen", "fungi" ]
fungi
sciq
f83810cd-6817-43a9-9edc-b690a26aa1cd
What of a electromagnetic wave can be calculated using the wave equation due to their speed always being constant?
[ "oscillation", "frequency", "resonance", "sound" ]
frequency
sciq
2bff13cd-340e-4b5b-ad6a-483c5c0f8533
Because of the wave character of matter, the idea of well-defined orbits gives way to a model in which there is a cloud of what?
[ "mutation", "chaos", "particles", "probability" ]
probability
sciq
8b77ec41-f6ba-46ee-bd70-17d0afec7f36
Metabolism is controlled by regulation of what?
[ "sequence activity", "cell activity", "enzyme activity", "nucleus activity" ]
enzyme activity
sciq
85d17f3a-5f06-4195-9311-845f0765e918
A catalytic converter filters pollutants in exhaust created by burning what before releasing it into the air?
[ "carbon dioxide", "noble gas", "fossil compounds", "fossil fuels" ]
fossil fuels
sciq
c219c3c7-df7f-41f0-9df4-723c54d06051
What are the two components of the ecf?
[ "solids and if", "polymer and if", "plasma and if", "proteins and if" ]
plasma and if
sciq
8c85bb66-5b91-4341-98fe-87e95a96698b
A quarry, which produces rocks and minerals used to make buildings and roads, is an example of what type of mine?
[ "strip mine", "open-pit mine", "gold mine", "fracking" ]
open-pit mine
sciq
2a1f847d-3463-41f3-b0eb-3a779a3d07e6
Along with other organelles, all eukaryotic cells possess what structure?
[ "nucleus", "cell walls", "flagella", "chromosomes" ]
nucleus
sciq
cbb47cc3-cc80-4be9-bd42-8b48bca44bb4
The environment where most chemical reactions in organisms takes place consists mostly of what?
[ "water", "sodium", "helium", "air" ]
water
sciq
1f6ba4c6-0c00-4fee-bd59-13caed6aaa04
The main functions of epithelia are protection from the environment, coverage, secretion and excretion, absorption, and this?
[ "accumulation", "diffusion", "absorption", "filtration" ]
filtration
sciq
79be5554-1171-489f-b007-ddee85629fa0
What term is defined as the preserved remains or traces of organisms that lived during earlier ages?
[ "waste", "deposits", "fossils", "bones" ]
fossils
sciq
7609c6e0-58fb-41ea-9179-e873876a86cc
What rigid external structure protects shellfish and other animals and provides points of attachment for the muscles that move the appendages?
[ "cocoon", "membrane", "exoskeleton", "claw" ]
exoskeleton
sciq
31c1dad4-9859-464e-8390-7365b0997c2a
The electronic components in electronic devices, used to transmit and change electricity are made of?
[ "resistors", "inverters", "semiconductors", "microchips" ]
semiconductors
sciq
0071bf32-e35d-499f-8a02-8fddc1c2da72
Vaccinations are designed to boost immunity to a virus to prevent this?
[ "infection", "pathogen", "reproduction", "mutation" ]
infection
sciq
4617e1d3-f7b1-4ca2-a5b5-bfb3e0fc1f62
How many sets of chromosomes do gametes contain?
[ "twelve", "single", "four", "eight" ]
single
sciq
0cded60c-8e89-4a17-b060-cfa516e537d6
What is the term for the energy of motion, which is exhibited by the speed of an object?
[ "residual energy", "kinetic energy", "inertia", "mechanical energy" ]
kinetic energy
sciq
f276f602-1713-44c8-9152-10e55ea2436b
Soil that forms in place over a very long period is called what?
[ "residual soil", "antique soil", "leakage soil", "resultant soil" ]
residual soil
sciq
161ed825-8228-4b87-aab1-91bb1266c899
Alpha and beta decay occur when a nucleus has too many protons or an unstable ratio of what?
[ "electrons to neutrons", "nucleus to neutrons", "atoms to neutrons", "protons to neutrons" ]
protons to neutrons
sciq
2c2a4fdd-6b6d-4c16-9705-8e96e67bd584
What do you call an abnormal mass of cells that is dividing improperly?
[ "molars", "tumor", "appendages", "bumps" ]
tumor
sciq
22ce86d3-349d-45f0-823d-d6cb406751af
What is an example of a biochemical lipid that contributes to weight gain?
[ "acids", "proteins", "sugars", "fats" ]
fats
sciq
58074681-a8b7-4a95-83fc-47356ccb5169
The rate that energy is released is known as
[ "power", "flow", "heat", "pressure" ]
power
sciq
7ad4f762-fa56-4763-9b67-279eae033450
A low level of radiation occurs naturally in the environment and is called what?
[ "background radiation", "Beta radiation", "Gamma radiation", "Alpha radiation" ]
background radiation
sciq
7b219fe6-a324-4f24-8aad-7825d491c195
Most of the heat that enters the mesosphere comes from where?
[ "Exosphere", "the stratosphere", "Troposphere", "Earth's surface" ]
the stratosphere
sciq
e0021b7e-d662-410f-a551-4ab5f4baf2d6
What is the natural movement called within your intestines?
[ "peristalsis", "fibroblasts", "progress", "proteolysis" ]
peristalsis
sciq
0d0e1b37-e5f6-44f9-a73d-da7d22c7d284
What does the stomach produce to help digest food?
[ "amino acid", "acetic acid", "lactic acid", "hydrochloric acid" ]
hydrochloric acid
sciq
01d3ee7e-1bee-4d4f-9892-a9c530333bb0
What type of plants have vascular tissue but do not have seeds?
[ "starchy vascular plants", "seedless vascular plants", "ofen vascular plants", "rocky vascular plants" ]
seedless vascular plants
sciq
678ff69b-e319-4969-b89c-6bf267f6e5c9
After ovulation occurs, the moving “fingers” of what nearby structure sweep the egg into its tube?
[ "androgenen tube", "vertebral tube", "fallopian tube", "nadiad tube" ]
fallopian tube
sciq
99540107-c59a-4f77-a6e7-f4c24adfc276
Alterations that change chromosome structure are known as?
[ "lesions", "mutations", "deformities", "traits" ]
mutations
sciq
9cbeefe7-4dc3-46ba-818a-5f698c370c07
Membranes will become increasingly what as temperatures rise?
[ "acidic", "fluid", "metallic", "toxic" ]
fluid
sciq
ed627f3e-e2f6-4fa5-882f-5f365d9f1cd4
Catabolism and anabolism are the two types of what?
[ "cells", "metabolism", "heart rate", "calcium" ]
metabolism
sciq
0388013e-ef1f-4774-8ed9-7ac693fc2701
What types of incest behaviors are controlled by genes?
[ "psychological behaviors like flying and mating", "instinctive behaviors like flying and mating", "byproduct behaviors like flying and mating", "physical behaviors like flying and mating" ]
instinctive behaviors like flying and mating
sciq
ff5be03d-1161-48e6-bf9a-b83b05166f6d
What term describes a specific statement that is thought to be never violated by the entire natural universe?
[ "scientific law", "evidence", "hypothesis", "theory" ]
scientific law
sciq
8e23d516-728c-4a84-ba5f-9fa756e6c9bf
When do female reproductive organs mature?
[ "at puberty", "at birth", "periomenopause", "at menopause" ]
at puberty
sciq
0d466b59-febe-4ba4-b9b3-70def0c9330d
What are the extremely small particles that comprise all matter?
[ "electrons", "ions", "atoms", "protons" ]
atoms
sciq
4299c96c-2b9f-44b1-9714-1814ff19ab8c
What are the two basic types of combustion engines?
[ "diesel and internal combustion", "external and internal combustion engines", "gas and steam", "spark and steam" ]
external and internal combustion engines
sciq
b4162e0e-1075-487a-a6ff-ac2112de8ebb
Plasmodesmata passes through what part of plants?
[ "nucleus", "cell walls", "cytoplasm", "cell ridges" ]
cell walls
sciq
1e806cf5-5732-4586-a813-e9b8927b1b8b
What element has an atomic number of 6?
[ "silicon", "hydrogen", "carbon", "oxygen" ]
carbon
sciq
8578ee08-6fba-4dee-b17e-98d8a58cd770
What common sea creature can be both awake and asleep at the same time?
[ "dolphins", "sharks", "reefs", "Whales" ]
dolphins
sciq
1ed5aea3-d9e2-4712-aa65-b4dda92b9ae3
What is the second stage of cellular respiration?
[ "beatnik cycle", "krebs cycle", "duocycle", "marr cycle" ]
krebs cycle
sciq
6fb144b0-db74-4ac6-b794-b4e58673b076
As a battery is depleted what happens to its internal resistance?
[ "reduces", "increases", "stagnates", "changes" ]
increases
sciq
2a9665b7-6fd4-42b0-8ba5-37ae46c9c62c
What is a condition where plants are grown in mineral solutions without soil called?
[ "hydroponics", "hydrozone", "climate zone", "biosphere" ]
hydroponics
sciq
31d03720-52a6-4ae0-8cab-ebcb93fd5521
What is the scientific name for the human species?
[ "homo sapiens", "homo erectus", "primate", "Neanderthal" ]
homo sapiens
sciq
a04f70ab-a7db-4289-84e7-56b3ada3f36d
Snippet 3: the diploid cells resulting from karyogamy are short-lived and undergo meiosis, producing what?
[ "haploid spores", "stunted spores", "binary spores", "hyperactive spores" ]
haploid spores
sciq
2fb99b44-79b9-420c-b4cf-4c4e453955f1
Average speed is equal to distance divided by what?
[ "time", "magnitude", "height", "weight" ]
time
sciq
1647c404-3c1b-400b-830a-23fec0269768
When a supercooled liquid boils, the temperature drops as the liquid is converted to what?
[ "atoms", "vapor", "solid", "carbon" ]
vapor
sciq
791b49b2-9b5b-4464-b9a6-bb0b70653f22
What process produces four haploid daughter cells, each genetically unique?
[ "budding", "electrolysis", "mitosis", "meiosis" ]
meiosis
sciq
d79a248b-f04f-4d4a-a506-224e58491aa5
What is root that does not arise from a usual place?
[ "monomers", "momentous", "adventitious", "hypochlorous" ]
adventitious
sciq
5b4f0a10-d19d-4646-9ffe-b69f74f82cda
In which period of the periodic table is nickel found?
[ "First Period", "Third Period", "Second Period", "fourth period" ]
fourth period
sciq
4378ff3d-a260-4be7-9c50-380623ad7fd4
What serves as the control center of the nervous system?
[ "heart", "bone", "brain", "spine" ]
brain
sciq
b41eff0d-67c4-4905-a549-80ee5766a84b
What is the name for the term that describes deep ocean water rising the surface?
[ "upwelling", "up-rising", "percolating", "leaking" ]
upwelling
sciq
813d9223-fc83-4582-83b9-ab2f77446cd3
What is the measure for how fast or slow something moves?
[ "speed", "kinetic energy", "momentum", "inertia" ]
speed
sciq
f3232547-f9df-4499-80c3-dca6f4103e9a
What is the term for the decayed remains of living organisms?
[ "waste", "humus", "necrosis", "intermediate material" ]
humus
sciq
1d11471e-1d3f-4092-9384-e8b748e605c4
What happens when materials return to their original shape?
[ "reverberation", "second life", "restoration principle", "elastic rebound" ]
elastic rebound
sciq
8f16b5cc-f173-4159-940b-424f93144cb1
Dna segments cross over to form what kind of chromosome?
[ "mutated", "resistant", "autosome", "recombinant" ]
recombinant
sciq
f42db9b9-2774-48b0-b9e7-8c63bc05d93e
Typically hard, high-melting solids that conduct heat and electricity well, the transition elements have many properties in common with other what?
[ "oils", "deposits", "metals", "organics" ]
metals
sciq
6a69a1e8-efed-4b06-b676-d486080760a9
Programmed cell death, which goes by what term, is important for removing damaged or unnecessary cells?
[ "mytosis", "apoptosis", "mutations", "synthesis" ]
apoptosis
sciq
8081ade7-8eaa-4198-b5c4-fa909e8ac0b8
What elements do mafic minerals typically include?
[ "iodine and magnesium", "iron and magnesium", "xerophyte and magnesium", "sodium and magnesium" ]
iron and magnesium
sciq
f576e371-a620-43a3-ace4-f3d7b5e71e48
During what time period did poor air quality become a problem?
[ "Chernobyl disaster", "industrial revolution", "second world war", "coal industry boom" ]
industrial revolution
sciq
5937c5e4-4440-4159-a6c4-c714770eeae0
All living organisms must have what ability, in order to make more organisms like themselves?
[ "variation", "absorption", "reproduction", "cloning" ]
reproduction
sciq
3f4ea537-7efa-44d4-b765-adfe24b97b60
If a solute is a gas, increasing the temperature will do what?
[ "have no effect", "decrease its solubility", "increase its solubility", "change to liquid" ]
decrease its solubility
sciq
add514a2-ddc3-4555-b268-14ec6c370eb1
The fetus becoming relatively large and mature before birth increases the chances of what?
[ "disease", "intelligence", "survival", "mutations" ]
survival
sciq
f872331e-489e-4109-b421-791f4d62a543
What item starts puberty in girls?
[ "the uterus", "the thyroid", "the hypothalamus", "the ovary" ]
the hypothalamus
sciq
accfc6ed-2a56-4bd8-9adf-3c68348465fa
Protein digestion begins in the stomach as pepsinogen in gastric juice is converted to pepsin, the enzyme that hydrolyzes this?
[ "disulfide bridges", "peptide bonds", "hydrogen bonds", "ionic bonds" ]
peptide bonds
sciq
c4203b72-e183-4a41-80fe-08d413e37559
What lipid, added to certain foods to keep them fresher longer, increases the risk of heart disease?
[ "cholesterol", "trans fat", "fatty acids", "Omega-3 fatty acids" ]
trans fat
sciq
eaa1bfb7-e488-4cbd-b166-92b20a88f63c
What occurs in a population when its allele frequencies change over time?
[ "evolution", "generation", "extinction", "variation" ]
evolution
sciq
3fe1b8ec-030f-408d-9ab9-17a8bf3f97c0
What do some animals use for shelter?
[ "indestructible materials", "living materials", "invisible materials", "nonliving materials" ]
nonliving materials
sciq
3a8dc56a-a360-4f26-a18a-8dad68b50ebd
In statistics a boundary on the precision and accuracy is known as what?
[ "instance", "median", "error", "frequency" ]
error
sciq
e51e31b4-b9a7-4e10-bdaa-55e808ea6029
How many limbs do all mammals have?
[ "three", "it varies", "two", "four" ]
four
sciq
4c32b230-36dc-4f72-9e2e-970a7afc5df4
More common in developing countries, parasitic diseases caused by roundworms often result from poor practice of what?
[ "personal hygiene", "agriculture", "education", "preventative medicine" ]
personal hygiene
sciq
5382b243-3e5a-413c-bdc2-25ec90857d21
What type of bacteria stains red?
[ "kilogram-negative bacteria", "calcium - negative bacteria", "gram - such bacteria", "gram-negative bacteria" ]
gram-negative bacteria
sciq
6effb836-f702-457b-8d99-9c9a187619c3
The shapes of minerals form as they are broken along what planes?
[ "parallel planes", "cleavage planes", "calcium planes", "sedimentary planes" ]
cleavage planes
sciq
b036e2ca-2f08-4d30-8534-3c7930785efb
An atomic symbol is used to represent what?
[ "mole", "electron shell", "weight", "element" ]
element
sciq
efe3e46c-5a82-4ae5-b575-012c57985a2e
Mammals can feed at various levels of food chains, as herbivores, insectivores, carnivores and what else?
[ "nematodes", "vegetarians", "blood eaters", "omnivores" ]
omnivores
sciq
eb2ec2f7-9eeb-4139-9aa9-8e624b9989c9
What are winds that blow over a limited area called?
[ "Planetary Winds", "local winds", "trade winds", "Periodic Winds" ]
local winds
sciq
ed8210fc-6d66-4886-99d1-a2f6a86e3f96
Descending fibers from the cerebrum have branches that connect to neurons in the pons. those neurons project into the cerebellum, providing a copy of motor commands sent to this?
[ "cerebral cortex", "neurotransmitters", "umbilical cord", "spinal cord" ]
spinal cord
sciq
12c72c1d-5ab7-4cc1-92f3-47588ca286b2
An element is defined by the number of ____ it contains?
[ "electrons", "protons", "particles", "neutrons" ]
protons
sciq
c25c3d61-c909-4964-a6a9-67c551f128de
What term is used to describe the distance traveled divided by the time it took to travel that distance?
[ "speed", "motion", "velocity", "movement" ]
speed
sciq
2fa7e92b-db02-4f3e-849c-e2cb995aa895
Which gas is released by the group of archaea known as methanogens?
[ "methane", "sulfur", "butane", "propane" ]
methane
sciq
c48be7c1-58b4-4829-8a1b-601c8a2086c1
Of the four main wobble base pairs, guanine is paired with what?
[ "adenine", "cytosine", "thymine", "uracil" ]
uracil
sciq
61768254-c17d-4951-b28d-1dbeac4d3afc
The atoms of a compound are held together by what type of bonds?
[ "mineral", "radiation", "chemical", "covalent" ]
chemical
sciq
33925103-0086-4556-a57c-b63590c46585
Unlike energy, what happens to matter in ecosystems?
[ "it is recycled", "it is destroyed", "it does not exist", "it is filtered" ]
it is recycled
sciq
c794d134-bf52-4ee5-87e1-c556fc7cebeb
The anion is the methanoate ion, which is commonly called the what?
[ "formate ion", "isomer", "glutathione ion", "metabolized ion" ]
formate ion
sciq
58585c1d-4bda-4dc9-91d6-b6d65f59e7e2
Drinking too much water too fast can lead to what potentially fatal condition, which causes dangerous changes to salt levels?
[ "osmosis", "water intoxication", "inebriation", "drowning" ]
water intoxication
sciq
6333da12-defd-4cf8-9ff7-d6b13af33e18
When electrons move from one atom to another, they become what?
[ "ions", "atoms", "neons", "particles" ]
ions
sciq
3025bb79-3a05-4cc9-9d8c-854a3a57a6bb
Another way to classify matter is to describe it as a solid, a liquid, or a gas, which was done in the examples of solutions. these three descriptions, each implying that the matter has certain physical properties, represent the three of these?
[ "types of atoms", "phases of matter", "phases of mass", "forms of substances" ]
phases of matter
sciq
4f5c4cc8-93e6-4a93-aac8-5724cce46fae
What is the health-threatening smoke exhaled by a cigarette smoker or released from tobacco products?
[ "contamination smoke", "secondhand smoke", "secondary smoke", "primary smoke" ]
secondhand smoke
sciq
8c60fb11-4c5c-4f3d-97bc-ebe837f60782
Why do waves travel faster through solids?
[ "particles range together", "particles pipe together", "particles closer together", "particles fuse together" ]
particles closer together
sciq