id
string
question
string
choices
list
answer_key
string
source
string
4325cbee-c896-4c18-84c7-72065540b3e7
In a chemical reaction, the amounts of reactants and products will be constant when what state is attained?
[ "peak", "saturation", "equilibrium", "homogeneity" ]
equilibrium
sciq
6321f476-4e95-4396-b805-62be64220b5f
What protects a developing flower while it is still a bud?
[ "lobes", "sepals", "petals", "shell" ]
sepals
sciq
07250f8a-424c-4492-89cd-b0f1b66329a1
What is the term for the force of attraction between things that have a mass?
[ "gravity", "magnetism", "motion", "weight" ]
gravity
sciq
73e99600-32ac-4a80-aed8-665a46fcdfdc
What are the long, thin protein extensions in most prokaryotic cells called?
[ "flagellum", "cingulum", "analyte", "neutrons" ]
flagellum
sciq
b3069020-960d-41a7-a5e3-ac49d4741f3c
Dialysis is a treatment for failure of what organs?
[ "spleen", "liver", "kidneys", "lungs" ]
kidneys
sciq
fd49f31a-fb6c-4b1f-934f-e93bd891c725
What preventive measure can protect even young children against diseases such as viral meningitis?
[ "nutrition", "vaccination", "malnutrition", "surgical intervention" ]
vaccination
sciq
8b2eaf52-492a-4cb0-b349-fff12ef93b1f
Renal plasma flow equals the blood flow per minute times the what?
[ "hematocrit", "hemoglobin", "erythrocytes", "leukocytes" ]
hematocrit
sciq
8783ed49-eced-4552-9f8f-896c0ebce538
What does lattice energy of an ionic solid measure the strength of?
[ "electrons", "bonds", "atoms", "metals" ]
bonds
sciq
4ee24d48-e6db-47ca-a55a-14b5d78165b1
How many different types of taste can be detected by taste buds?
[ "three", "five", "two", "hundreds" ]
five
sciq
5edbe42f-d4e6-45a1-b9b4-51b1b2fc6f2f
What species do humans belong to?
[ "homo sapiens", "monkeys", "homo erectus", "hominids" ]
homo sapiens
sciq
b66d69b3-04fe-4c7c-ba01-07c84fec1618
Titration is a method to determine what in acids or bases?
[ "glucose", "alkalinity", "concentration", "maturation" ]
concentration
sciq
968c56ee-4ba9-419e-a6b3-3c4e18190a16
How many different amino acids make up proteins.
[ "20", "25", "14", "30" ]
20
sciq
f1cc944c-664e-4717-8906-bf350de756a7
What are sores in the lining of the stomach or duodenum that are usually caused by bacterial infections or acidity?
[ "lesions", "clots", "hernia", "ulcers" ]
ulcers
sciq
966b739a-82dd-4b5a-9b2c-d93561b2850c
In some species, what has led to the evolution of alternative male mating behavior and morphology?
[ "distributive selection", "sexual selection", "similar selection", "sexual process" ]
sexual selection
sciq
92c7006b-5e5f-4f22-b97e-cad08f24111f
What structure is made from dna and protein molecules coiled together?
[ "bacterium", "atoms", "enzymes", "chromosome" ]
chromosome
sciq
a23a9382-9f3e-42ce-aec2-710da438a553
What renewable energy source converts energy from the sunlight into electricity?
[ "solar energy", "geothermal energy", "geophysical energy", "hydrostatic energy" ]
solar energy
sciq
ed22705c-8b7b-4cd9-817e-b19f424cf778
The radial artery and which artery parallel their namesake bones, giving off smaller branches until they reach the wrist, or carpal region?
[ "humerus", "ulnar", "biceps", "triceps" ]
ulnar
sciq
bcc9dcf5-99b5-4c11-b056-5f4e19e2b9c2
The bones of the skull are connected by what type of joints?
[ "adjustable", "semi-mobile", "immovable", "pivoting" ]
immovable
sciq
638b0bb1-d17b-4881-9887-1f06f96eca1e
What is the lowest layer of the atmosphere?
[ "ionosphere", "chromosphere", "lithosphere", "troposphere" ]
troposphere
sciq
0e80a482-11c0-4199-ab75-5cf29a71934b
What is the name of the type of plant tissue consisting of undifferentiated cells that can continue to divide and differentiate?
[ "bundle sheth cell", "cuticle", "meristem", "guard cell" ]
meristem
sciq
4a283bd9-440a-4754-9caa-a0f44281e69d
Phosphate-containing ocean sediments form primarily from the bodies of ocean organisms and from their what?
[ "skeletons", "ancestors", "excretions", "blood" ]
excretions
sciq
7c6febc0-c38c-4072-85f0-c491381e28ea
What does erosion do to pieces of broken rock?
[ "moves them", "lead them", "Cancel Them", "Smooth them" ]
moves them
sciq
4056eb8a-8e46-492c-9071-aecfa7daa708
The passing of traits from parents to offspring is done through what?
[ "sperm", "dna", "egg", "blood" ]
dna
sciq
de35d6ab-22cf-472a-80e2-444db1c7f03b
In a glass of sweet tea the sugar is known as the solute and the water is known as what?
[ "pigment", "solid", "solvent", "calcium" ]
solvent
sciq
eb2b046e-f237-486d-bf94-c0c62f0a80a3
A few earthquakes take place away from plate boundaries, these are called what?
[ "deformation earthquakes", "outer earthquakes", "intraplate earthquakes", "distant earthquakes" ]
intraplate earthquakes
sciq
394a86e0-599c-4de2-9911-9489cbc9fe87
Red litmus paper turns what color when placed in a basic solution?
[ "orange", "pink", "blue", "white" ]
blue
sciq
336bd2c0-e026-4fc3-a914-2bfd2e5fea33
The difference between the theoretical half-reaction reduction potential and the actual voltage required is called what?
[ "excess", "overcharge", "overpotential", "resistance" ]
overpotential
sciq
72d79f19-dd22-473d-a3cb-78eced1fa9d0
While the egg is developing, other changes are taking place in the uterus. it develops a thick lining that is full of what?
[ "amniotic fluid", "tiny blood vessels", "white blood cells", "large arteries" ]
tiny blood vessels
sciq
61d0e3dd-fddb-4982-91ca-900f9e846a81
The neural plate undergoes a series of cell movements where it rolls up and forms a tube called what?
[ "peripheral tube", "cell tube", "neural tube", "occular tube" ]
neural tube
sciq
b4b1d44c-c245-4a09-b2ad-8e2f8037a8f1
Due to the __________ nature of the lipids that make up cell membranes, polar molecules (such as water) and ions cannot easily diffuse across the cell membrane.
[ "hydrophobic", "catalytic", "saturated", "hydrophylic" ]
hydrophobic
sciq
e8d29411-c375-441b-b768-6d8f988871b2
In what way do all vertebrates reproduce?
[ "biologically", "mitosis", "asexually", "sexually" ]
sexually
sciq
b95c03b9-5cbc-4d07-a5aa-ca16479a74fa
First, high temperature denatures proteins and does what to cells?
[ "finds them", "kills them", "exposes them", "develops them" ]
kills them
sciq
14de7a7a-5fef-45ee-a31f-47d5d402c841
What term is used to describe a collection of molecules surrounded by a phospholipid bilayer that is capable of reproducing itself?
[ "cell", "proteins", "atom", "organism" ]
cell
sciq
cfd9faf0-1909-45f7-b61d-fe0c8b7165b5
By allowing blood levels of a hormone to be regulated within a narrow range, feedback loops contribute to maintaining what state?
[ "consciousness", "hibernation", "hypothesis", "homeostasis" ]
homeostasis
sciq
c7aa3f41-75ae-4d90-8246-1a685bb4a921
Collagen fibers, elastic fibers, and reticular fibers comprise what type of tissue?
[ "intestine tissue", "connective tissue", "nucleus tissue", "skin tissue" ]
connective tissue
sciq
721daaf4-d28f-4c2b-90b8-c16bcbf8dcb1
What the name of the disease where some of the alveoli of the lungs fill with fluid so they can no longer exchange gas?
[ "leukemia", "emphysema", "lung cancer", "pneumonia" ]
pneumonia
sciq
5a242e2b-b18c-42ac-984a-85c311d077ec
What occurs when groups from the same species stop mating because of something other than physical or geographic separation?
[ "sympatric speciation", "complementary speciation", "extinction", "invasive speciation" ]
sympatric speciation
sciq
9b4f9468-c0ae-4177-8d14-3ca96133e5eb
What environment do animals with gills live in?
[ "water", "cold", "underground", "air" ]
water
sciq
665d76f9-173b-4f82-b79a-bbe2320bb091
What is the boiling and freezing point of water in celcius?
[ "212 degrees c and 0 degrees c", "212 degrees c and 32 degrees c", "100 degrees c and 0 degrees c", "100 degrees c and 32 degrees c" ]
100 degrees c and 0 degrees c
sciq
4ce83115-da03-4e44-8fc7-ff6cc0ff08eb
What are living things that obtain glucose by eating self feeders called?
[ "chimeras", "heterotrophs", "viruses", "producers" ]
heterotrophs
sciq
8e25f277-848a-4428-9679-9c9cf8704739
Virtually every task performed by living organisms requires this?
[ "solids", "mineral", "energy", "metals" ]
energy
sciq
9a26f2db-d35a-4078-80af-7a02015d8793
The binding of what helps eliminate antigens by phagocytosis and complement-mediated lysis
[ "antibodies", "proteins", "amino acids", "fats" ]
antibodies
sciq
e2427877-3551-44fc-a117-8abff2d6cf4f
What muscles are used to pump water over the gills?
[ "lungs and pharynx", "jaws and pharynx", "pharynx and tonsils", "muscles and pharynx" ]
jaws and pharynx
sciq
c4422942-1052-4709-854e-9dd3029109e3
Compounds like sodium chloride form structures called what?
[ "microorganisms", "ions", "hydrocarbons", "crystals" ]
crystals
sciq
9161c10a-0290-4f6d-a1ff-3cef9d981f56
What are made of long chains consisting almost solely of carbon and hydrogen?
[ "lipids", "nucleic acids", "proteins", "enzymes" ]
lipids
sciq
b742916d-91eb-4fe5-a665-ddef6015227d
When a series of measurements is precise but not what, the error is usually systematic?
[ "color", "velocity", "accurate", "length" ]
accurate
sciq
78d50f8e-1e56-4b6d-9708-61bb2b104e37
Inserting copies of normal genes into a patient with defective genes is known as?
[ "gene therapy", "chromosome treatment", "cloning", "pattern therapy" ]
gene therapy
sciq
531cb979-9efa-4967-86a8-1c63307ed131
What type of reproduction usually occur during times of environmental stress?
[ "internal reproduction", "sexual reproduction", "asexual reproduction", "hysterical reproduction" ]
sexual reproduction
sciq
b848759d-2b7b-4dbd-9086-9aab44c53373
All forms of energy can be interconverted. three things can change the energy of an object: the transfer of heat, work performed on or by an object, or some combination of what?
[ "temperature and work", "cold and energy", "heat and work", "humidity and work" ]
heat and work
sciq
d070f103-becd-4315-97a3-a28f5d80ef37
What science includes many fields of science related to our home planet?
[ "zoology", "earth science", "meteorology", "biology" ]
earth science
sciq
d7346f42-c430-41c6-8846-b9373d9f7395
What are alloys that are mostly composed of mercury known as?
[ "fillings", "halogens", "compounds", "amalgams" ]
amalgams
sciq
5fd43f9c-0db1-49cc-9398-0e5ecac84ef2
What are made from highly reflective metal that is applied to a curved or flat piece of glass?
[ "lenses", "mirrors", "prisms", "kaleidoscopes" ]
mirrors
sciq
12d11894-74da-4030-8091-18774fc0b6ac
What do ranchers fear will happen if wolves return?
[ "loss of environment", "livestock predation", "vegetation predation", "human predation" ]
livestock predation
sciq
55683bf9-975d-49f8-9b14-183af682cb1f
How many types of surface waves are there?
[ "two", "over a hundred", "six", "three" ]
two
sciq
e9a2378b-481d-41e7-8030-21c2c640bbc9
What is the rigid layer that is found outside the cell membrane and surrounds the cell?
[ "cell shield", "cell root", "cell wall", "cell barrier" ]
cell wall
sciq
3ec73904-0c68-4a14-aee2-eb0eb142a7ef
Surface tension of alveolar fluid, which is mostly water, creates an inward pull of the tissue of what organ?
[ "lung", "brain", "spleen", "heart" ]
lung
sciq
2eca9435-638d-484a-9f8f-ff462d4a7d64
What type of tumor mostly does not cause serious problems and can be completely removed by surgery?
[ "persistent", "benign", "malignant", "toxic" ]
benign
sciq
de07aea7-c0ca-45b6-9332-e2750c2434c3
What supports and protects the soft organs of the body?
[ "skeleton", "Muscle", "skull", "Skin" ]
skeleton
sciq
0483730f-23b8-48e1-998a-a9a7347fbc53
What celestial body is the earth’s main source of energy?
[ "rivers", "moon", "ocean", "sun" ]
sun
sciq
449cb673-ae37-47b7-a95e-5cff8389e7a8
What do you call the horizontal stems of a strawberry plant that run over the ground surface?
[ "stolons", "climbing vines", "root volunteers", "sprouts" ]
stolons
sciq
6d82118a-a33f-49bb-ac70-28178960b324
Glaciers are incredibly powerful agents of what?
[ "climate change", "insulation", "extinction", "erosion" ]
erosion
sciq
2818c8ff-e334-405b-9e1e-2d810ce82cb9
What helps the plasma membrane keep its shape?
[ "cytoplasm", "molecules of cholesterol", "molecules of carbohydrates", "molecules of oxygen" ]
molecules of cholesterol
sciq
65c26cea-8e28-425e-a747-f7a32a654ead
What type of reproduction only involves one parent?
[ "binary", "organic", "primitive", "asexual" ]
asexual
sciq
209ebeeb-1ce6-4d96-9c35-13faabd5290c
What is defined as a repeating series of events that include growth, dna synthesis, and cell division?
[ "photosynthesis", "puberty", "cell cycle", "meiosis" ]
cell cycle
sciq
b616f1ec-de5e-4ccf-babc-c62b7f618643
How metalloids behave in chemical interactions with other elements depends mainly on the number of what, in the outer energy level of their atoms?
[ "positrons", "electrons", "protons", "neutrons" ]
electrons
sciq
f8b8bcc9-f2b4-444e-ba84-1e75026cca8e
What distinguishing characteristic of annelid anatomy shows specialization and adaptation?
[ "beautiful", "compression", "asymmetry", "segmentation" ]
segmentation
sciq
da5cc613-2952-4fc3-94d7-161a801945c9
The spermatids are transported from the testes to where?
[ "epididymis", "vas", "Duodenum", "abdominis" ]
epididymis
sciq
3e2f1b52-7606-477d-b83e-47c4b0687c6d
How does water from roots reach the leaves?
[ "water-conducting cells", "water - raising cells", "water-phobic cells", "water - combining cells" ]
water-conducting cells
sciq
31a71db2-0d61-4a70-80f9-d2c5302e9851
As a polycrystalline material solidifies, grains with irregular shapes form. the interfaces between grains constitute grain what?
[ "patterns", "waves", "obstacles", "boundaries" ]
boundaries
sciq
31496b43-e39d-4251-9c76-6236398bbbd7
Motors are the most common application of magnetic force on current-carrying wires. motors have loops of wire in this?
[ "magnetic field", "electrical circuit", "capacitors", "spark plugs" ]
magnetic field
sciq
38127e5f-f677-4396-976d-25a349731c31
What makes and stores pigments that give petals and fruit their orange and yellow colors?
[ "chromoplasts", "protozoa", "pores", "sporozoans" ]
chromoplasts
sciq
e808c6b7-6fea-4c26-8c54-251d07f5cbc0
What term is used to describe when a liquid is the temperature at which its equilibrium vapor pressure is equal to the pressure exerted on the liquid by its gaseous surroundings?
[ "burning point", "freezing point", "boiling point", "evaporating point" ]
boiling point
sciq
2b1ec654-08f6-46e5-85de-56e0f1ff33ab
When electrons return to a lower energy level, they emit the excess energy in the form of what?
[ "energy", "electricity", "weight", "light" ]
light
sciq
9c0c79eb-661e-4f59-9fad-24173a80f640
What is another term for nearsightedness?
[ "myopia", "glaucoma", "anemia", "hypoxia" ]
myopia
sciq
ffba6a00-488b-4125-8e6c-c40bf4027182
What are the areas located at fixed distances from the nucleus of the atom?
[ "molar levels", "atomic regions", "energy levels", "orbit points" ]
energy levels
sciq
d53cd001-32b4-4249-8d30-e94ba4ad3ae9
In which state of matter do particles take the shape of their container, but cannot expand to fill it?
[ "chemical", "liquid", "mixture", "gas" ]
liquid
sciq
09a3f53f-c229-47fc-aa53-cca177f7ccd9
Runoff is likely to cause more what if the land is bare?
[ "weathering", "sediment", "erosion", "abrasion" ]
erosion
sciq
9fd6e89b-044d-421d-94fc-366883c61bea
Cations have what type of charge?
[ "positive", "negative", "constant", "neutral" ]
positive
sciq
03ab2289-a3d6-495f-83d2-3957e63cc587
What organ is subdivided into ascending, descending, transverse and sigmoid parts?
[ "colon", "lungs", "uterus", "heart" ]
colon
sciq
637e5a89-14cb-4559-8d56-7a0e1d1cea88
Ammonia, urea, and uric acid are examples of what kind of waste?
[ "sulphurous", "nitrogenous", "oxygenous", "carbonous" ]
nitrogenous
sciq
321a30e5-f394-41c3-8925-0f003dc991b7
What are variants of genes called?
[ "mutations", "alleles", "antigens", "allergens" ]
alleles
sciq
7e6622d3-df3b-42b5-aebb-18bae904e648
Mushrooms are an example of what type of organism, which includes beneficial and toxic specimens?
[ "bacteria", "seeds", "spores", "fungi" ]
fungi
sciq
d94ee9fa-0a78-48fa-b955-318fd53a1b19
Comparing what sequences provides clues to evolution and development?
[ "genome", "genes", "organisms", "DNA" ]
genome
sciq
532d9dad-c972-47b6-a395-3542c10b90ea
What is a measure of the average amount of energy of motion, or kinetic energy, a system contains called?
[ "temperature", "precipitation", "size", "variation" ]
temperature
sciq
a512e4fd-698c-46b0-91da-fe4ef57b0ea3
What is the minimum mass capable of supporting sustained fission called?
[ "concentrated mass", "critical mass", "particular mass", "baseline mass" ]
critical mass
sciq
5733c283-279c-48af-a946-dd33dcc3896a
Many hydrocarbons are cyclic and adopt specific three-dimensional structures that influence their physical and what properties?
[ "electrical", "liquid", "radiation", "chemical" ]
chemical
sciq
4794fc4e-0e80-48de-87e5-8a94b6dda547
The secondary wall contains _________ , a secondary cell component in plant cells that have completed cell growth/expansion.
[ "cytoplasm", "cellulose", "glucogen", "lignin" ]
lignin
sciq
44dcf0f9-b78e-4d0a-8b01-7c3d05f9cb0f
What does the cell cycle do?
[ "divide and reproduce cells", "create new cells", "only reproduce cells", "only divide cells" ]
divide and reproduce cells
sciq
315d6074-47c0-47c8-8875-1afd4320c1b7
Inside the nasal area of the skull, the nasal cavity is divided into halves by the what?
[ "cytoplasm", "cerebral cortex", "nasal septum", "cell wall" ]
nasal septum
sciq
76946541-25e0-488f-b3fd-a62af9914dd7
Bacteria can be chemotrophs, which obtain what by breaking down chemical compounds in their environment?
[ "waste", "energy", "food", "chemials" ]
energy
sciq
999de658-09f8-4a9e-99f5-c0d327ff94bf
Habitat loss, introduced species, overharvesting, and global change are major threats to what?
[ "transportation", "the sun", "biodiversity", "the earth's gravity" ]
biodiversity
sciq
04a17f03-95b2-496f-bd76-fce415c568d8
What "plumbing" structures inside the veins maintain a unidirectional flow of blood despite the low blood pressure?
[ "pumps", "funnels", "tubes", "valves" ]
valves
sciq
45022d36-06cd-4634-bbc8-7fd185b8bbf5
What do we call the cartilaginous structure that surrounds the notochrod?
[ "arcualia", "clavicle", "membrane", "osteocytes" ]
arcualia
sciq
dc2e6f89-2d15-4c14-9be7-f5eb2d5c2e1d
What is the process of the transfer of pollen from an anther to a stigma in angiosperms called?
[ "evolution", "grabation", "wind", "pollination" ]
pollination
sciq
810de3cf-db1b-49f4-beed-0f44869eb4ad
Despite its small size, an erythrocyte contains about 250 million molecules of what?
[ "potassium", "plasma", "hemoglobin", "calcium" ]
hemoglobin
sciq
fb3d581b-7b8b-4541-9c54-7f51d53e59df
How many variables are used to describe the condition of a gas?
[ "three", "five", "one", "four" ]
four
sciq
3ac4138d-d05d-45cf-a8ad-12e7541622e1
What is a suggested explanation for a phenomenon or a suggested explanation for a relationship between many phenomena called?
[ "process", "query", "hypothesis", "system" ]
hypothesis
sciq
1eb81f4c-b59a-4912-9e00-30f82d497464
Land plants are classified into two major groups according to the absence or presence of what tissue?
[ "disease", "vascular", "bacterial", "root" ]
vascular
sciq
d89a1da1-8a9f-4600-b8a2-0e9e0cbf6e3e
What type of treatment is necessary for anaphylaxis?
[ "allergy shot", "outpatient", "intensive care", "emergency" ]
emergency
sciq
89ff408c-6b71-44a8-83d6-011c3954b594
What substances, which are distinct from acids and bases, form when ions form ionic bonds?
[ "water molecules", "salts", "oils", "vitamins" ]
salts
sciq