id
string
question
string
choices
list
answer_key
string
source
string
e618314f-7af3-48ca-83f9-71d18a953d89
What type of diseases do antibiotics not affect?
[ "cancer", "viruses", "animal stings", "autoimmune diseases" ]
viruses
sciq
042f826e-1015-43c9-9ef7-f64d0d2b6f59
Which system carries out long-distance transport of materials between the root and shoot systems?
[ "reproductive tissue system", "perceptual tissue system", "vascular tissue system", "circulatory tissue system" ]
vascular tissue system
sciq
d360efff-1a3b-4969-9ad8-cc014046d0f6
How do reptiles typically reproduce?
[ "live birth", "asexually", "cloning", "sexually" ]
sexually
sciq
bd536bbc-d699-4e15-9768-4ea2104dc920
All organisms must adapt to what in order to survive?
[ "environment", "weather", "conditions", "natural" ]
environment
sciq
1f4a31c7-f240-4ac2-a15b-67cd2c679ced
Biochemical compounds that include sugars, starches, and cellulose are examples of what?
[ "carbohydrates", "proteins", "lipids", "electrolytes" ]
carbohydrates
sciq
3fa42e6e-ef85-49ff-b855-8c787220e0a6
What emerges from an insect egg?
[ "parasite", "cocoon", "fungi", "larva" ]
larva
sciq
ed2a1f75-e834-4c3e-9ea7-5aeedbc476ef
What can protons and neutrons be broken down into?
[ "ions", "strings", "molecules", "quarks" ]
quarks
sciq
45c6c1c5-24ee-47ae-b0fc-c2083b6bbb3f
What is the name of the stage of life when a child becomes sexually mature?
[ "maturity", "puberty", "growth spurt", "adolescence" ]
puberty
sciq
792e2b0d-79c0-4011-9796-a3d878b0ec0a
What part of the brain is divided from front to back into the left and right hemispheres?
[ "cerebellum", "medula oblongata", "thalmus", "cerebrum" ]
cerebrum
sciq
63395ca1-d8b8-4fd9-8333-9f2132f3a5fe
Because their cells are arranged in bundles, the appearance of skeletal and cardiac muscles is described as what?
[ "cylindrical", "striated", "quadrant", "incised" ]
striated
sciq
2a94658c-0023-4d3a-b2c0-552d44e7b4d4
What resource is considered nonrewable for human purposes, because it takes so long to form and is depleted by farming and other activities?
[ "water", "acid", "sunshine", "soil" ]
soil
sciq
de7635b2-242d-4421-b235-1518de6c6c74
What in orange juice makes it taste sour?
[ "amino acid", "acetic acid", "citric acid", "carbonation" ]
citric acid
sciq
d34f538e-8cca-4515-b883-6096ce1db548
What scientist created the modern system for classifying organisms?
[ "Pasteur", "Newton", "Bohr", "linnaeus" ]
linnaeus
sciq
2defb712-1168-466a-89ce-5f1af94f2b97
What will be the effect to an organism if its homeostasis is not maintained?
[ "weight regulation", "death or disease", "healthy mental state", "slow aging" ]
death or disease
sciq
4d2cca3c-bebc-45ea-9020-33c5563eb6a0
Since warmer molecules have more energy, they are more what?
[ "dense", "abundant", "active", "inactive" ]
active
sciq
c5d79340-9ce2-45e2-b61d-97687099a5ad
If only blue light strikes green leaves what happens to it?
[ "it is reflected", "it is absorbed", "it causes cooling", "it causes heating" ]
it is absorbed
sciq
23181bee-f4fc-4dda-91af-8c5b9207c43c
Which type of animal creates useful substances such as honey, wax, lacquer, and silk?
[ "bacteria", "insects", "fungus", "spiders" ]
insects
sciq
58df358c-510f-44e1-b07c-bde4bbf3f7cc
Stringed instruments can help show the relationship between tension and what in strings?
[ "frequencies", "lengths", "temperatures", "volumes" ]
frequencies
sciq
18e15536-df13-4fce-924f-c51471d9e0dd
Ectotherms undergo a variety of changes at the cellular level to acclimatize to shifts in what?
[ "temperature", "density", "volume", "altitude" ]
temperature
sciq
07ad3531-c28f-4a92-9f5b-c52221845268
Convex lenses are thicker in the middle than at the edges so they cause rays of light to converge, or meet, at a point called what?
[ "the apex", "the center", "the base", "focus" ]
focus
sciq
b09eeab7-d9d6-4cff-a10d-a2cff8d743fd
What are magnesium carbonate, aluminum hydroxide, and sodium bicarbonate commonly used as?
[ "antibiotics", "antidepressants", "salts", "antacids" ]
antacids
sciq
0762ed17-6ef8-4a13-86d3-e6bc483e97c8
What type of taste do bases normally have?
[ "salty", "bitter", "sweet", "sour" ]
bitter
sciq
16834872-6134-4368-a3e6-57173ca45ff7
Which body part helps roundworm prevent their body from expanding?
[ "scales", "skin", "tough cuticle covering", "plate" ]
tough cuticle covering
sciq
4851f285-0e47-4e5d-a35a-cb0de299cde4
The maintenance of constant conditions in the body is also known as what?
[ "consciousness", "hypothesis", "mononucleosis", "homeostasis" ]
homeostasis
sciq
61535264-beeb-4421-a683-e79b4cb1b8a3
What is the term for tough protein fibers that connects bones to each other?
[ "ligaments", "muscles", "tetons", "cords" ]
ligaments
sciq
247b816f-538b-4464-8a4b-863ce6119d4c
What is the study of macroscopic properties, atomic properties, and phenomena in chemical systems?
[ "molecular chemistry", "differential chemistry", "thermal chemistry", "physical chemistry" ]
physical chemistry
sciq
a807edb8-e6a5-4896-bb85-bb54f10d70d8
Bones, cartilage, and ligaments make up what anatomical system?
[ "Lymphatic system", "Muscular system", "Integumentary system", "skeletal system" ]
skeletal system
sciq
8f4c565b-f501-4be2-b13e-05c40668e711
What is the first part of the large intestine called?
[ "cecum", "colon", "jejunum", "duodenum" ]
cecum
sciq
d20d8b79-5269-426d-a2c1-6e094d2b82d3
What occurs when nature reclaims areas formerly occupied by life?
[ "secondary succession", "typical succession", "primary succession", "tertiary succession" ]
secondary succession
sciq
1b2060a8-986a-4490-88ff-e931a86004fd
To solubilize the fats so that they can be absorbed, what organ secretes a fluid called bile into the small intestine?
[ "stomach", "gall bladder", "small intestine", "spleen" ]
gall bladder
sciq
4c7ab7ef-3140-4544-84ab-ce22715efc88
When the hemoglobin loses its oxygen, it changes to what color?
[ "grayish red", "light pink", "purple red", "bluish red" ]
bluish red
sciq
f6082cb6-aaf8-4fdf-9601-0118a4b62b19
How are weather patterns formed?
[ "carbon dioxide", "pollution from planes", "the moon's gravitational pull", "uneven heating of the atmosphere" ]
uneven heating of the atmosphere
sciq
b4f30cf4-136f-4d92-a0d6-bf07ac3860d8
Boyle discovered that what property of a gas is inversely proportional to its volume?
[ "temperature", "amount", "mass", "pressure" ]
pressure
sciq
90b8441b-12f9-4fc4-a06b-ffc80831212c
What amazing machines smash particles that are smaller than atoms into each other head-on?
[ "nitrogen accelerators", "particle accelerators", "absorption accelerators", "observant accelerators" ]
particle accelerators
sciq
fc04f441-364f-48a4-acb5-0f1974aa1459
The interaction of what opposite factors describe a biome and ecosystem?
[ "hygroscopic and abiotic", "innate and biotic", "abiotic and biotic", "metastasis and biotic" ]
abiotic and biotic
sciq
26e66d4a-7940-4427-922f-08defb524eff
What is caused by differences in density at the top and bottom of the ocean?
[ "deep currents", "still water", "flat currents", "shallow currents" ]
deep currents
sciq
4e2a6e19-94e9-4800-b6b7-3ba1d0171680
What is the layer of tissue between the body and shell called?
[ "collagen", "cuticle", "mantle", "epidermis" ]
mantle
sciq
573eb40c-737b-43c1-840b-417a184a22bd
Well suited to absorb water and dissolved minerals from the soil, thin-walled dermal cells and tiny hairs cover what basic plant structures?
[ "roots", "leaves", "stems", "flowers" ]
roots
sciq
1df2a2e9-a769-4bb2-9b5f-121cab90d1ab
What is the major artery of the body, taking oxygenated blood to the organs and muscles of the body?
[ "aorta", "capillary", "carotid", "diastolic" ]
aorta
sciq
84620a8d-e931-40b8-a2a0-07a439ba4f64
What do you call a growing mass of cancerous cells that pushes into nearby tissues?
[ "bacteria", "tumor", "calcium", "pallet" ]
tumor
sciq
14819755-fffb-4b80-b3bb-9815a4cdc4af
What is the major intracellular cation?
[ "sodium", "magnesium", "glucose", "potassium" ]
potassium
sciq
97f80e08-8f56-4077-94c1-9fe96ee2af92
The enzyme pepsin plays an important role in the digestion of proteins by breaking down intact protein to what short-chain amino acids?
[ "lipids", "proteins", "peptides", "protons" ]
peptides
sciq
0ba459d0-4bd0-4b75-b8fe-c8d6bae2e21d
What remains a constant of radioactive substance over time?
[ "temperature", "volatility", "acidity", "rate of decay" ]
rate of decay
sciq
bf95b53c-ab38-4349-a282-8c9516c4b47d
Terrestrial ecosystems, also known for their diversity, are grouped into large categories called what?
[ "biomes", "substrates", "bisomes", "monomes" ]
biomes
sciq
cbfe48b0-de2a-4642-a813-524b8b0e46e2
High explosives create shock waves that exceed the speed of sound, a phenomenon that goes by what term?
[ "supersonic", "ion speed", "turbulence", "light speed" ]
supersonic
sciq
c8a0d5af-a55a-4596-a280-072e64a9d207
What do you call a structure composed of two or more types of tissues that work together to do a specific task?
[ "organ", "cell", "system", "marrow" ]
organ
sciq
c7285967-192a-4f6d-9475-65434d015061
Compounds that are capable of accepting electrons, such as o 2 or f2, are called what?
[ "antioxidants", "residues", "oxidants", "Oxygen" ]
oxidants
sciq
6807f284-d7e8-4a39-a430-f1291867bb2d
What term in biotechnology means a genetically exact copy of an organism?
[ "male", "clone", "adult", "phenotype" ]
clone
sciq
2223cdee-b562-4517-a0a0-67641f34f5f4
Vertebrata are characterized by the presence of what?
[ "Thumbs", "Bones", "Muscles", "backbone" ]
backbone
sciq
ed4e28a9-6f17-4b8e-97a6-1fce08d2aadd
What is the height above or below sea level called?
[ "latitude", "elevation", "variation", "depth" ]
elevation
sciq
faf5aa4b-41d1-42c8-ac25-720f627b24f3
Ice cores, varves and what else indicate the environmental conditions at the time of their creation?
[ "magma", "fossils", "mountain ranges", "tree rings" ]
tree rings
sciq
9a70ffba-f065-4927-9017-f72d109f73ea
What chemical signals in plants control different processes?
[ "produce hormones", "Human Hormones", "nitrogen hormones", "plant hormones" ]
plant hormones
sciq
1ed532b0-2ce2-457c-9d42-9b050c898e80
Meiosis is part of the process of gametogenesis, which is the production of what?
[ "sperm only", "chromosomes", "sperm and eggs", "egg only" ]
sperm and eggs
sciq
fce47aaf-c068-4445-bf09-9900de5cd562
Which type of tree is dominant in temperate forests?
[ "shrubs", "fungus", "deciduous", "vines" ]
deciduous
sciq
d0dc3372-9fbc-4c01-a1ab-a7dd14366fed
What kind of viscosity is found in long-chain hydrocarbons?
[ "highly viscous", "low viscosity", "increased viscosity", "intense viscosity" ]
highly viscous
sciq
8fb60e91-e6a3-444e-9715-51fb26153ee8
Ionic compounds have strong electrostatic attractions between oppositely charged ions in this?
[ "normal array", "incorrect array", "regular array", "occasional array" ]
regular array
sciq
b5078d55-4c39-47f1-9c89-e3f243ef49ac
About how tall can mid-ocean ridges be?
[ "about 2 km", "2 inches", "about 2 feet", "about 2 meters" ]
about 2 km
sciq
898a41ad-1c14-4941-9657-01609665a0fe
What are by far the most common type of invertebrate?
[ "corals", "crustaceans", "insects", "spiders" ]
insects
sciq
ceba6b52-f048-425a-a68b-5ee23ce05d73
What do waves deposit to form sandbars and barrier islands?
[ "glaciers", "sediments", "magma", "organisms" ]
sediments
sciq
eea39a3f-a40a-420e-80a1-b45bbb74dd8d
Penis, testes, and epididymis are organs in what system?
[ "female reproductive system​", "plant reproductive system​", "virus reproductive system​", "male reproductive system" ]
male reproductive system
sciq
a750f05c-30c0-43bd-a2dc-48a51f5c3288
Only about one percent of plants have lost what ability, turning them into consumers and even predators, instead of producers?
[ "growth", "photosynthesis", "flowering", "rooting" ]
photosynthesis
sciq
b679f61c-eada-436e-b954-7e57de806df0
How does a neon light produce visible light?
[ "luminescence", "radiation", "electroluminescence", "mitosis" ]
electroluminescence
sciq
133c80fe-7265-4a73-bb44-a6ff5c425407
The bird ancestor that lived in trees developed what feature commonly associated with birds?
[ "webbed feet", "beaks", "tails", "wings" ]
wings
sciq
f3b3e7aa-7efd-4dd5-aeeb-0d9ac82190e7
What do most living things use to make atp from glucose?
[ "carbon", "oxygen", "enzymes", "nitrogen" ]
oxygen
sciq
9f93a6b0-9e46-490c-9e8d-8b0160f27c47
What are the two most common silicates?
[ "Micas\t and feldspar", "Olivine and quartz", "feldspar and quartz", "Micas\t and quartz" ]
feldspar and quartz
sciq
0ab8b12b-391d-4526-82a7-bdf9912dda19
What term means the amount of water vapor in the air?
[ "humidity", "pressure", "ambient", "temperature" ]
humidity
sciq
8c95c3ac-39eb-4b7c-8b72-2239b5d43cd3
Paracrine signals move by what method through the extracellular matrix?
[ "diffusion", "osmosis", "deposition", "transfusion" ]
diffusion
sciq
c363b35c-4764-406e-ba48-0c867a9dd084
Presence of a cell wall, large central vacuole, and organelles called plastids distinguish what type of cell?
[ "heterotroph", "plant", "reproductive", "animal" ]
plant
sciq
fcfa0294-8487-4ca0-972f-2644c73e4ada
What happens when mammals raise their hair with tiny muscles in the skin?
[ "balding", "goosebumps", "bruising", "bleeding" ]
goosebumps
sciq
6a7da0ea-7229-4f54-af43-7e17cc15964d
What are people with osteoporosis at increased risk of?
[ "epilepsy", "growth spurt", "bone fractures", "senility" ]
bone fractures
sciq
9fd5c9a9-d479-459a-8577-d8ed095dd2cd
Where is energy stored in a chemical substance?
[ "inside atoms", "in molecules", "between atoms", "on the surface" ]
between atoms
sciq
99117209-7f25-4929-8050-9a437921fa6d
By the year 2050, 25 percent of the population of the united states will be 60 years of age or older. the cdc estimates that 80 percent of those 60 years and older have one or more chronic disease associated with deficiencies of this?
[ "blood vessels", "cardiovascular system", "respiratory system", "immune system" ]
immune system
sciq
55001897-c849-437b-8401-8ffcd95e0aea
Upon death of an organism, during composition, what returns to the soil as ammonium ions?
[ "potasium", "hydrogen", "calcium", "nitrogen" ]
nitrogen
sciq
022dedbd-5dd6-4c2a-ae26-7b2e4ec289cf
Most insects reproduce quickly and through what type of reproduction?
[ "asexual reproduction", "photosynthesis", "sexual reproduction", "spores" ]
sexual reproduction
sciq
be06d556-1934-4b8b-94c8-095f82660754
Digestion of proteins begins with acids in what organ?
[ "liver", "stomach", "colon", "brain" ]
stomach
sciq
4fcf8363-34c0-4cd9-b9a6-dfcf327234f7
Many species of rotifers exhibit haplodiploidy, which is a method of what?
[ "circulation", "digestion", "gender determination", "respiration" ]
gender determination
sciq
7d9f215c-a440-46ae-8dbd-e2b26f1e752e
What is the most abundant metal of the earth's crust?
[ "copper", "magnetite", "aluminum", "calcium" ]
aluminum
sciq
a215d59d-99ac-49aa-8db8-87c53c415a55
What is the term for the total kinetic energy of moving particles of matter?
[ "heavy energy", "Newton's energy", "mechanical energy", "thermal energy" ]
thermal energy
sciq
dcb84534-5cad-4a67-b8a9-438f80064114
What part of the eye allows light to enter?
[ "retina", "pupil", "eyelid", "iris" ]
pupil
sciq
ea02ce5d-6478-42db-8e07-22c694f0f64b
The body cannot sustain for very long the bursts of energy mediated by epinephrine and norepinephrine, hormones associated with what stress response?
[ "fight-or-flight", "do-or-die", "fainting", "sink-or-swim" ]
fight-or-flight
sciq
8b62fb8d-3de2-47e4-94c0-0a935a8b1377
What system enters the brain stem and influences activity in the cerebellum, spinal cord, and cerebral cortex?
[ "ventrical system", "lipids system", "vestibular system", "vasculature system" ]
vestibular system
sciq
72fd3b17-0f05-4b5c-8702-a978f663e0e3
In what type of animals may a body cavity be present or absent?
[ "nonvascular", "triploblastic", "bicellular", "vertebrate" ]
triploblastic
sciq
dfc1ad42-bf3a-4317-8491-8b3a2afd111b
Chemical reactions involve a transfer of heat energy. measured in what?
[ "joules", "amperes", "thermals", "amps" ]
joules
sciq
ab185cd0-ec4e-4bdd-9f66-0783fcfa15af
Trees and shrubs are example of what type of plant?
[ "annuals", "grasses", "biennial", "perennials" ]
perennials
sciq
5cc3a783-46c0-404b-9b8d-e941d12b243e
The products of what process are needed for cellular respiration, and vice versa?
[ "circulation", "photosynthesis", "digestion", "spermatogenesis" ]
photosynthesis
sciq
a6b9ae8d-cb44-403b-b1ee-538bfdf79c8c
Most fungi get organic compounds from what?
[ "carnivorous organisms", "dead organisms", "inorganic material", "living organisms" ]
dead organisms
sciq
770e59d5-c6da-4dbc-8863-c8427f35352d
How do very massive stars end their lives?
[ "consumed by black hole", "become super novas", "explode", "become red supergiants" ]
become red supergiants
sciq
9a7e3630-82f0-4e18-9c9a-5d542a7e925a
Pairs of nitrogenous bases are attached to each other by?
[ "magnetism", "hydrogen bonds", "ionic bonds", "potassium bonds" ]
hydrogen bonds
sciq
4e167287-3f2e-4124-8f82-1b253b7ceece
Rupture can cause fragments of what to travel via the bloodstream and become lodged in other arteries?
[ "white blood cells", "plaque", "red blood cells", "enamel" ]
plaque
sciq
bbd10702-55a0-4001-8438-211dd736782b
The strength of a base depends on the concentration of _______ it produces when dissolved in water?
[ "calcium ions", "monoxide ions", "hydroxide ions", "combustion ions" ]
hydroxide ions
sciq
a20f278e-4140-4bf1-8d1e-5838b520be5b
The overall voltage of the battery is therefore the sum of ________ of the individual cells.
[ "weights", "resistances", "voltages", "currents" ]
voltages
sciq
9d0ac8c8-dbdd-43e6-b884-7bda4a8f4f7c
Organisms that live deep in the ocean must be able to withstand what?
[ "extreme water pressure", "the sun", "significant water pressure", "tsunamis" ]
extreme water pressure
sciq
a734f9bf-afb7-42c9-ad74-9f35287f5141
Which system are the brain and spinal cord apart of?
[ "cerebral cortex", "limbic system", "large nervous system", "central nervous system" ]
central nervous system
sciq
d4e6c655-2c24-488d-a36d-6cb60fd65947
What are biochemical catalysts that speed up biochemical reactions?
[ "metabolites", "polymers", "enzymes", "inhibitor" ]
enzymes
sciq
d95e6ba5-b0e0-4ac3-8b09-b7d1c6f83ef4
What process can cause harmful alleles to become fixed?
[ "mutation", "migration", "genetic drift", "natural selection" ]
genetic drift
sciq
a059f368-e96d-4113-b5df-998d82b42881
What record shows that dinosaurs originated 200-250 million years ago?
[ "ancient record", "fossil record", "biological record", "species record" ]
fossil record
sciq
a68debad-4068-4c8e-9ac7-977511a3cd68
What instrument is used to make very sensitive mass measurements in a laboratory, usually in grams?
[ "analytical balance", "speedometer", "thermometer", "scale" ]
analytical balance
sciq
6f61c8a0-7a0b-4d8e-a879-dcbe374e53e7
What is the purpose of bright colors on a flower's petals?
[ "to distract predators", "to absorb light", "to attract pollinators", "to attract a mate" ]
to attract pollinators
sciq
e3d8f10d-c600-4ea5-83d4-949661cff5bd
Collateral ganglia controls organs in which cavity in the body?
[ "cardiac", "cranial", "abdominal", "pelvic" ]
abdominal
sciq
abf958f9-2db4-419d-9868-0d5733db5752
A bee will sometimes do a dance to tell other bees in the hive where to find what?
[ "water", "honey", "food", "enemies" ]
food
sciq