id
string
question
string
choices
list
answer_key
string
source
string
e81b7beb-da3e-4def-a5c2-6f5fd69624cb
Spindle fibers pull what apart in anaphase i?
[ "risk chromosomes", "linked chromosomes", "True Chromosomes", "known chromosomes" ]
linked chromosomes
sciq
f7497a2f-d35b-48ac-b4cb-5365d481e1f7
What type of mutations cannot be passed on to offspring?
[ "symbiotic mutations", "somatic mutations", "instructional mutations", "functional mutations" ]
somatic mutations
sciq
d8ebfc22-c2cf-4a04-8d49-c47d489192e4
What is the process in which cells break down glucose, release the stored energy, and use it to make atp
[ "reproduction", "photosynthesis", "cellular respiration", "electromagnetic respiration" ]
cellular respiration
sciq
3f1a231a-21ca-4107-ae10-9cf6353f34c4
Dew point is the temperature at which what occurs?
[ "condensation", "combustion", "fermentation", "precipitation" ]
condensation
sciq
975d8556-8d46-48c3-ba06-988408b55811
In what type of diabetes can the pancreas still make insulin, but the cells of the body cannot use it efficiently?
[ "type A diabetes", "type 2 diabetes", "type 1 diabetes", "type 3 diabetes" ]
type 2 diabetes
sciq
3a8ea5ba-1bbf-4329-9fdf-9bd0f257901a
What are the two classifications of factors in the environment that affect organisms?
[ "biotic and abiotic", "rotational and abiotic", "Antibiotick and abiotic", "shear and abiotic" ]
biotic and abiotic
sciq
311b484d-d4b9-4c5e-9566-5548a5d5bb9a
What do increasing greenhouse gas concentrations in the air do to the earth's temperature?
[ "Pollute", "Lower it", "raise it", "stable it" ]
raise it
sciq
b3c6126c-0d84-445b-ab0b-334da06c7f67
What is the name of a microorganism that is considered important for living resources in all ecosystem?
[ "bacteria", "protozoa", "archaea", "pathogens" ]
bacteria
sciq
ade4d985-f979-42f4-a055-be916913552b
What bone cell is responsible for forming new bone and is found in the growing portions of bone, including the periosteum and endosteum?
[ "congenial", "epithelial", "osteoblast", "fibroblasts" ]
osteoblast
sciq
7b956091-184a-4377-90ab-8d19c20f382d
Individuals with what condition experience depigmentation that results in lighter colored patches of skin?
[ "dementia", "psoriasis", "vitiligo", "eczema" ]
vitiligo
sciq
7ac0e057-bb4c-436b-babd-a50d749034e2
What do decomposers release back to the environment after they break down the remains and other wastes?
[ "unrefined waste", "nematodes", "carbon monoxide", "simple inorganic molecules" ]
simple inorganic molecules
sciq
36811df5-60c5-4ead-a895-3652dd0a2e72
What are the areas between cells that either allow or prevent the movement of materials called?
[ "corners", "sections", "receptors", "junctions" ]
junctions
sciq
ab2d607a-e507-43ae-b945-0c6a16d8a81b
Arguably the most important ingredient in saliva for digestion is a type of what, which initiates the breakdown of carbohydrates?
[ "enzyme", "fatty", "genes", "amino" ]
enzyme
sciq
9080c9cc-c447-4250-a783-88a04988314b
What element can form two different compounds with oxygen?
[ "H20", "hydrogen", "carbon", "dioxide" ]
carbon
sciq
95ea9dde-d0c4-487b-ad0d-ec2db83d01f4
Each protein has its own unique sequence and shape held together by chemical interactions. if the protein is subject to changes in temperature, ph, or exposure to chemicals, the protein structure may change, losing its shape in what is known as this?
[ "fermentation", "gastrulation", "denaturation", "extraction" ]
denaturation
sciq
680c3fc8-9232-466c-af69-d5203ce1c2fe
Because they can cause diseases in plants, some parasitic fungi are considered what?
[ "viral", "pathogenic", "bacterial", "toxic" ]
pathogenic
sciq
d1391f63-07a2-4b29-a856-1bd1870a332c
What is another common term for single-unit smooth muscle?
[ "abnormal muscle", "lateral muscle", "energies muscle", "visceral muscle" ]
visceral muscle
sciq
182f6221-b576-44c0-836b-67efd3673ec8
What is the term for the horizontal displacement of a projectile from its starting point?
[ "type", "range", "Distance", "produce" ]
range
sciq
987a9288-9ecf-4fc4-b496-1fa816a77749
What types of stimuli control endocrine activity?
[ "chemical and neural", "temperature and light", "pressure and chemical", "light and pressure" ]
chemical and neural
sciq
2096a63d-2902-4872-b266-c310ad28b265
What events, resulting in death of over half of animal species, have occurred on earth at least five times in the past 540 million years?
[ "microevolutions", "mass extinctions", "spontaneous mutations", "mass migrations" ]
mass extinctions
sciq
d8a41eb6-de4d-4916-8551-c053c9e30db5
What is most of the water used in agriculture used for?
[ "construction", "cleaning", "irrigation", "sowing" ]
irrigation
sciq
5d562a1d-5449-41a7-900a-352ba00158ab
What is a collection of fibrin, platelets, and erythrocytes that has accumulated along the lining of a blood vessel called?
[ "atherosclerosis", "clots", "embolus", "thrombus" ]
thrombus
sciq
7a396cee-7474-4f4b-bd38-7713580eba89
Acidity is measured on what kind of scale?
[ "caloric scale", "electromagnetic scale", "ph scale", "pneumatic scale" ]
ph scale
sciq
0bd2cbfe-09ae-4eed-b2f3-60f83e10bc11
What is the enclosed, fluid-filled membrane that surrounds and protects the fetus and is attached to the placenta?
[ "umbilical sac", "amniotic sac", "womb", "epithelial sac" ]
amniotic sac
sciq
a9b13d89-9e3e-4f68-8ed9-0656645e6051
Alzheimer’s disease is a disease that occurs mainly in what population?
[ "white adults", "female adults", "older adults", "younger adults" ]
older adults
sciq
72ca7eda-1d38-4042-8de3-4f11850892ff
What do sudoriferous glands secrete?
[ "water", "sweat", "moving", "tissue" ]
sweat
sciq
2b7d0227-8433-4bd8-b75b-e5652d532822
Group 15 of the periodic table is also called which group?
[ "hydrogen", "potassium", "oxygen", "nitrogen" ]
nitrogen
sciq
ffa4edd8-3336-4354-adad-9d8cbeb90742
Humans need lipids for many vital functions such as storing energy and forming what?
[ "zygotes", "ionic bonds", "cell membranes", "enzymes" ]
cell membranes
sciq
a46f6ecb-8861-48e3-86e1-0ea52ecd1522
What bond is a force of attraction between ions and atoms?
[ "radiation bond", "carbon bond", "chemical bond", "Ionic bond" ]
chemical bond
sciq
6358197c-4cbe-4f3e-9d6e-2c868de1da55
What type of cells are the smallest of all human cells?
[ "sperm", "dna", "egg", "meristematic" ]
sperm
sciq
68eb4363-4441-452d-a056-4b57e19e6cd8
Vertebrates also require relatively large quantities of calcium and phosphorus for building and maintaining what?
[ "brain cells", "bone", "metabolism", "blood" ]
bone
sciq
637c9a2c-97bf-4e8a-a7df-f8005811ca7b
What contains most of the structures found in skin?
[ "subcutaneous layer", "dermis", "basal layer", "epidermis" ]
dermis
sciq
758f0b32-840b-4d1b-a04d-bd19bb4c8fd2
What is the study of matter and energy referred to as?
[ "geology", "cosmology", "physical science", "biology" ]
physical science
sciq
3a439e3f-2101-4ac9-a942-63fce4e6dd16
What do you call the ability of a particular electrochemical cell to generate an electric current?
[ "kinetic energy", "momentum", "electromagnetism", "electrical potential" ]
electrical potential
sciq
5769583d-ea3d-4ea1-b0ec-25a4707e9b74
What is a controlled scientific study of specific variables called?
[ "example", "practicum", "variation", "experiment" ]
experiment
sciq
f650b440-b51d-4c1e-a380-726b23f1bb49
What happened to earth's species during the permian period?
[ "evolution", "division", "mass extinction", "duplication" ]
mass extinction
sciq
653a0225-bb54-423f-874b-bef326cfa8c5
Which organ in the body controls the amount of water loss in urine in response to maintaining homeostasis?
[ "spleen", "liver", "kidneys", "lungs" ]
kidneys
sciq
d62b1b6c-82c3-43ac-93ca-9399d65e11fa
What is corrosive mixture is formulated by the combination of water, air and sulfur?
[ "sulfuric acid", "nitric acid", "sulfuric water", "hydrochloric acid" ]
sulfuric acid
sciq
e21196b6-2933-4f99-b226-dc4e3dc83913
What type of pollutants enter the air directly?
[ "liquid", "primary", "secondary", "carbon" ]
primary
sciq
fbb57e92-46ee-4589-9375-b0c05e221e53
What type of reaction is a process in which some substances, called reactants, change into different substances, called products?
[ "chemical reaction", "reversible reaction", "physical reaction", "toxic reaction" ]
chemical reaction
sciq
f33b4476-394c-4c30-812f-ac4ba7179070
What is the number placed in front of a chemical symbol or formula that shows how many atoms or molecules of the substance are involved in the reaction?
[ "requirement", "frequency", "note", "coefficient" ]
coefficient
sciq
cae36737-2ddc-4966-b828-396248903753
Through what does urine enter the bladder?
[ "the enterocytes", "the vas deferens", "the tubules", "the ureters" ]
the ureters
sciq
df841bcd-0b0d-4baf-bf87-1ec2866cefbe
The male and female reproductive system is regulated by follicle-stimulating hormone (fsh) and luteinizing hormone (lh) produced by what gland?
[ "adrenal", "pituitary", "thyroid", "testes" ]
pituitary
sciq
eb1ddc72-2403-4a21-b287-178dee60b2ca
How do plants grow?
[ "through pollination and cell division", "through mitosis and cell division", "through cell growth and sexual reproduction", "through cell growth and cell division" ]
through cell growth and cell division
sciq
130ff83a-3f31-4834-ae16-4bb0f941acb8
What part of the brain is attached to the brain stem but considered a separate region of the adult brain?
[ "cerebellum", "temporal lobe", "parietal lobe", "frontal lobe" ]
cerebellum
sciq
f40ef74d-1294-49d0-a6bb-f67ae3e6ee2f
Plants are described by what term, meaning their cells have a nucleus and membrane-bound organelles?
[ "complex", "prokaryotic", "eukaryotic", "walled" ]
eukaryotic
sciq
ed31fb87-6b56-4d6d-9458-7d019f0ed1e1
What is a primary source of the hormone melatonin?
[ "thymus", "pineal gland", "pituitary gland", "thyroid gland" ]
pineal gland
sciq
dc639b37-6997-4fef-a5a9-bf3c11b9a225
How many more times likely are men to suffer from iron overload?
[ "twenty times", "two times", "eight times", "ten times" ]
ten times
sciq
d91aa354-c3ec-4df6-a42d-b73dd4ac0c60
Misfolding of polypeptides is a serious problem in what?
[ "cells", "muscles", "lipids", "blood" ]
cells
sciq
19ff256f-fc79-4a7b-98ec-0fee6270bdd9
What does the inner membrane divide into two internal compartments?
[ "mitochondrion", "epidermis", "chitin", "golgi apparatus" ]
mitochondrion
sciq
1e4b59d7-7007-4b4d-aa80-669b9a40c191
Defined as total distance traveled divided by elapsed speed, average speed is a scalar quantity that does not include what?
[ "pressure", "shift", "direction", "size" ]
direction
sciq
f2d628cb-303b-4207-9bd7-fe873a0c1ecb
Lymph capillaries collect fluid that leaks out of what?
[ "blood capillaries", "alveoli", "lymph nodes", "bladder" ]
blood capillaries
sciq
b2ab9a9e-8cd2-40ba-b566-a1ce714577c5
Action potentials occur whenever a depolarization increases the membrane voltage to a particular value called what?
[ "fraction", "threshold", "ohms", "velocity" ]
threshold
sciq
ae010121-1b54-4194-a858-ee4961f98359
Programmed cell death is also known as?
[ "necrosis", "apoptosis", "sepsis", "suicide" ]
apoptosis
sciq
fe105c9c-3861-427c-8415-809d17eaa0ae
What happens to the mass number during a nuclear decay process by positron emission?
[ "remains unchanged", "it rises", "it increases", "it decreases" ]
remains unchanged
sciq
c34f3fd2-803e-4f12-9593-88ecd53c1b39
Embryos usually don't survive if they have extra or too few of these genetic units?
[ "ribosomes", "genes", "chromosomes", "phenotypes" ]
chromosomes
sciq
3cb7cb9a-ed4a-4d2c-a94b-6052ea9c7690
Like the other outer planets, neptune has rings of ice and what?
[ "glass", "mercury", "gas", "dust" ]
dust
sciq
9002eb33-4bc4-455d-bb68-4c14308beb4f
In an electromagnetic wave, what do the crests and troughs represent?
[ "vibrating fields", "particles fields", "ocean waves", "oscillating fields" ]
oscillating fields
sciq
8da53c88-e872-4e99-9c6f-754ed54c6ee2
What biome is located between the temperate and tropical biomes?
[ "Tropical", "subtropical", "mountainous", "Desert" ]
subtropical
sciq
130ea7c6-3bef-4c50-8dac-4a117b2ec761
Metabolism is the sum of all catabolic and which other reactions in the body?
[ "anabolic", "systic", "inbolic", "abolic" ]
anabolic
sciq
5d05b0ce-1de7-4b77-93e8-3a2707579b08
Diarrhea due to food poisoning is an example of a problem involving what organ system?
[ "muscular system", "digestive system", "lung system", "skeletal system" ]
digestive system
sciq
c3304f31-2262-47bf-910b-544acb5856e0
White light is a mixture of all wavelengths of what?
[ "gamma radiation", "visible light", "infrared radiation", "x-rays" ]
visible light
sciq
b85a8e08-9f1f-4ae4-85f7-377c6ef4a754
What prevents solutes that have accumulated in the xylem from leaking back into the soil solution?
[ "the exoskeleton", "the endodermis", "the altostratus", "the exodermis" ]
the endodermis
sciq
18bf1949-57ca-4815-82bf-404e5a9c5cfc
Hydrogen chloride contains one atom of hydrogen and one atom of what?
[ "magnesium", "nitrogen", "calcium", "chlorine" ]
chlorine
sciq
1aabeff2-f6e5-4c82-b5d6-9d64e0f411ec
What property of toluene and xylene makes them important in the chemical industry?
[ "corrosive property", "isolate property", "excess property", "solvent property" ]
solvent property
sciq
2b54aa61-e208-48c4-9562-f731c936e7fb
The earliest cells were prokaryotes, surrounded by a cell membrane but lacking which key structure?
[ "nucleus", "ribosomes", "lysosomes", "mitochondria" ]
nucleus
sciq
8a4391cb-416e-43e6-93f3-acb56aa0aa11
When is the rate of the forward reaction equal to the rate of the reverse reaction?
[ "after equilibrium", "at equilibrium", "before equilibrium", "at conduction" ]
at equilibrium
sciq
fda0d3f8-593d-444c-b822-9462c5fcf1db
In which process do signaling molecules from embryonic cells cause transcriptional changes in nearby target cells?
[ "induction", "orientation", "replication", "maturation" ]
induction
sciq
f9c2d5e4-73b0-4ea0-8536-1699ff8dfabf
Every species has a characteristic number of what?
[ "ribosomes", "DNA", "chromosomes", "receptors" ]
chromosomes
sciq
125c15ed-3628-4154-8761-eff09461f92e
Ecologists already use the abilities of many prokaryotes to carry out bioremediation of soils and what else?
[ "water", "plasma", "gas", "air" ]
water
sciq
f428acfe-aec4-4488-95e0-2736fd93955b
How is most evidence gathered in science?
[ "lab experiments", "hypothesis", "field research", "observation" ]
lab experiments
sciq
a02eafad-4150-405c-a39c-0317c8b27295
Phosphate groups are found within phospholipids and what else?
[ "nucleotides", "amino acids", "carotenoids", "hydrocarbon chains" ]
nucleotides
sciq
eb76a1bb-4cf0-403d-ae76-ddbcb767e2f8
Yogurt is made with milk fermented with what?
[ "bacteria", "viruses", "disease", "pathogens" ]
bacteria
sciq
30c6d476-1dd7-4921-a321-c9c387602f06
What is energy from the sun called?
[ "solar energy", "kinetic energy", "potential energy", "thermodynamic energy" ]
solar energy
sciq
b0702ac4-1dc4-4c2e-b75c-80d526a4baf0
What is the term for when gravity pulls soil, mud, and rocks down cliffs and hillsides?
[ "mass pressure", "avalanche", "mass momentum", "mass movement" ]
mass movement
sciq
5e8ad599-f8c7-4c0e-85b6-bd9d6482a98d
Metals are good conductors of what?
[ "metabolism", "electricity", "sound", "light" ]
electricity
sciq
d002be72-7541-4988-843e-1e4161f8d716
What plant hormone allows plants to curve in a specific direction?
[ "peptides", "auxin", "apoptosis", "pheremone" ]
auxin
sciq
803a794c-3474-4f96-9bdc-c30b86907732
What is the most common type of organic compound?
[ "carbohydrates", "proteins", "vitamins", "fats" ]
carbohydrates
sciq
da9b16b4-5a2c-4a28-96a0-c25d1177dc8c
Dissolved oxygen in seawater is critical for sea creatures, but as the oceans warm, oxygen becomes less what?
[ "saturated", "insoluble", "abundant", "soluble" ]
soluble
sciq
a645fca3-14a5-4571-af83-59456103820e
Light waves differ based on their frequency and what else?
[ "density", "weight", "voltage", "amplitude" ]
amplitude
sciq
a15cd074-da7d-4b9f-9242-63eea0ba01b6
What kind of diseases can be difficult to treat because they live inside the host's cells, making it hard to destroy them without killing host cells?
[ "superfluous diseases", "viral diseases", "nucleus diseases", "cancerous diseases" ]
viral diseases
sciq
4341c79f-3365-4d3e-bc93-b9b656021f1a
What type of cellular respiration occurs in the presence of oxygen?
[ "anaerobic", "extracellular", "hyperbaric", "aerobic" ]
aerobic
sciq
7d1bd9ae-d8cf-4bb7-b735-ef068b6ffaa2
Stomata must control the transpiration of water vapor and the exchange of carbon dioxide and oxygen that take place during what process?
[ "glycolysis", "photosynthesis", "fertilization", "spermatogenesis" ]
photosynthesis
sciq
cbb62ac7-458e-4e4a-a357-083e3ee7c874
If pollination and fertilization occur, a diploid zygote forms within an ovule, located where
[ "ovary", "bladder", "testicle", "uterus" ]
ovary
sciq
29a1c28c-8686-43a2-9b98-060ecf6588c4
What makes up 99 percent of air?
[ "phosphorus and oxygen", "oxygen and dioxide", "nitrogen and oxygen", "dioxide and nitrogen" ]
nitrogen and oxygen
sciq
99337e30-c164-46ed-9f7b-90d464de7166
What is the process in which producers get their energy from sources other than the sun?
[ "electrolysis", "biosynthesis", "phototropism", "chemosynthesis" ]
chemosynthesis
sciq
dfd779ff-c2ed-4bfe-b4f1-35a8f658e3c7
Parasitism, mutualism, and commensalism are instances of what type of interaction?
[ "antibiotic", "symbiotic", "enzymatic", "semantic" ]
symbiotic
sciq
e8aafd26-5a87-4310-9e53-29bd077f693a
The cell wall of plants is made up of a complex carbohydrate that is a polymer of what sugar?
[ "sucrose", "glucose", "fructose", "insulin" ]
glucose
sciq
262b78b9-d361-40b0-a0c1-fd4572959248
Which metal is not a solid even at room temperature?
[ "copper", "mercury", "aluminum", "iron" ]
mercury
sciq
4e1cdd06-5496-42a4-bb6a-97b4f3cdbd08
How do molecules react when a gas is heated?
[ "they move faster", "they explode", "they disintegrate", "they move slower" ]
they move faster
sciq
0fff5805-50dc-496c-9990-2ab3ff6fa679
Mountain building and earthquakes are some of the responses of rocks when subected to what?
[ "time", "erosion", "weather", "stress" ]
stress
sciq
44d8dd51-935a-4d32-807c-4a40f1d6e4cc
What is defined as maintaining a stable internal environment?
[ "peristalsis", "ketosis", "consciousness", "homeostasis" ]
homeostasis
sciq
ac07d876-ca26-4e17-b628-f4b20ff324da
What element chemically weathers rock by combining with a metal?
[ "hydrogen", "carbon", "oxygen", "nitrogen" ]
oxygen
sciq
a2d84f74-a363-46fc-b449-6188ec75341d
Porifera are parazoans that exhibit simple organization and lack true what?
[ "tissues", "nuclei", "cell membranes", "molecules" ]
tissues
sciq
5a08cd2b-b053-4ef5-933e-83d88f286392
The values of which factors are controlled by the experimenter over the course of an experiment?
[ "independent variables", "independent approaches", "other variables", "independent elements" ]
independent variables
sciq
3777631a-fce4-4230-bbae-204a7aa576ff
What are the most common causes of brain injuries?
[ "alcohol poisoning", "excessive shaking", "falls", "lightning strikes" ]
falls
sciq
66ecbff4-fe8c-40b1-8b41-113b208b37f4
Electrons are located at fixed distances from the nucleus, what are they called?
[ "energy concentrations", "energy levels", "Energy layers", "Positive levels" ]
energy levels
sciq
1529e3b4-28db-4de3-83a5-d43b0640598c
Which factor has a big impact on coastal climates?
[ "tide", "large ocean currents", "tsunami", "ocean waves" ]
large ocean currents
sciq
ce28e2f0-97a0-4781-bc3b-3170778df3fa
What occurs when light bends as it passes from one type of matter to another?
[ "refraction", "resonance", "vibration", "reflection" ]
refraction
sciq
c0ac8f6b-509b-44bd-9017-9f95766ecf7b
What is a polymer formed by chain addition reactions between monomers that contain a double bond called?
[ "a linear polymer", "an addition monolayer", "an addition polymer", "a branched polymer" ]
an addition polymer
sciq