id
string
question
string
choices
list
answer_key
string
source
string
f0e45a79-427f-4915-a042-0d279a07463e
What kind of membrane do prokaryotic cells have?
[ "plasma wall", "cellulose", "cell wall", "plasma membrane" ]
plasma membrane
sciq
ae77d07b-94bc-4dec-a9fd-5380212da119
What is the name of the cell that results when a sperm nucleus fuses with a egg nucleus?
[ "a filament", "t cell", "a cytoplasm", "a zygote" ]
a zygote
sciq
2759a126-e173-441a-a0c1-0c4b935e6b4b
What makes a complete orbit around the earth once every 29 1/2 days?
[ "the moon", "the Sun", "Mars", "Gemini" ]
the moon
sciq
a32fbbda-0154-429c-ac24-5b0d7dd4bfaa
What general property of an earthquake is used to describe its relative strength?
[ "magnitude", "latitude", "resonance", "amplitude" ]
magnitude
sciq
a34521cb-1884-4ecf-bcab-9db774b6269c
What is a three dimensional snycline?
[ "a basin", "a peak", "a gorge", "a crust" ]
a basin
sciq
14515781-7fe6-419b-b881-8ce8e95974d0
Rather than being dead, dry, and brittle, what support structures of the human body consist of living tissues and are supplied with blood and nerves?
[ "lungs", "hearts", "bones", "feet" ]
bones
sciq
4a1a3cfd-1995-4936-a4db-1f2cc8cd931c
The entire range of light that can be seen by the human eye without aid is known as what kind of light?
[ "visible light", "infrared light", "colored light", "white light" ]
visible light
sciq
3c75785e-ccbb-45e3-8183-e55500ac7379
An endocrine disease usually involves the secretion of too much or not enough hormone by which gland?
[ "Pancreas", "endocrine", "Pituitary", "Thyroid" ]
endocrine
sciq
00f107d0-cfcf-4e58-91c9-6f1fbcb8cab0
What are the four well-known states of matter?
[ "solid, liquid, gas, and plasma", "solid , imine , gas , and plasma", "solid, liquid, plasma, and metal", "solid, liquid, gas, and wave" ]
solid, liquid, gas, and plasma
sciq
2bbee548-975d-4ea2-b459-1c34d4a43cc3
What is the term for plants that produce flowers and fruit?
[ "gymnosperms", "endosperms", "spores", "angiosperms" ]
angiosperms
sciq
e45bf752-d0da-4777-b675-ba912bdea923
Why did people stop adding lead to gasoline?
[ "to expensive", "environmental pollution", "bad smell", "explosions" ]
environmental pollution
sciq
220be887-7a66-4749-a18e-7f8ab2f356ab
Osseous tissue is the tissue that makes up what?
[ "muscle", "bone", "brain", "liver" ]
bone
sciq
3b56fa1e-1411-461d-a221-856b46e65f3a
What is the initial stage of scienetific investigations?
[ "forming hypothesis", "asking questions", "making predictions", "observation" ]
observation
sciq
bc459284-5701-4a91-bd70-8d615bdaf726
The radiation exposure is determined by the number of what times the quality factor of the radiation?
[ "beacons", "units", "rads", "pounds" ]
rads
sciq
9a8372cc-5371-403c-a812-fca4a4469838
What is the smallest class of elements?
[ "metalloids", "halogens", "noble gases", "synthetics" ]
metalloids
sciq
4e57e4cc-604d-4fe2-b7f4-e29089f0044a
What is friction that acts on objects that are moving through a fluid?
[ "fluid catalyst", "fluid temperature", "mass friction", "fluid friction" ]
fluid friction
sciq
e9087b32-e272-4016-8dc3-f79b8335171b
The sun’s gravity is relatively strong because the force of gravity between two objects is directly proportional to their what?
[ "masses", "Liquids", "tissues", "rocks" ]
masses
sciq
78b4b199-56e4-4b0d-b944-46e540e135f7
What do aquatic arthropods use to exchange gases with the water?
[ "lungs", "nostrils", "pores", "gills" ]
gills
sciq
54dbad4e-5214-4277-9a2c-ebaaf4fa04ce
How many groups of leaves does poison ivy typically have?
[ "three", "six", "four", "ten" ]
three
sciq
c0b8b891-2a2c-4332-ae03-de3d01f6ec81
This knocks electrons from atoms and turns them into ions?
[ "evaporation", "chemical reactions", "radiation", "convection" ]
radiation
sciq
625ff837-ea88-4e7f-9dfc-b8735fdab311
What do you call an incomplete outer shell of an atom?
[ "nucleic shell", "valence shell", "helium shell", "motile shell" ]
valence shell
sciq
909e3380-0915-4cc2-9c76-9af381945e16
What are the specialized cells of sponges called?
[ "t cells", "collar cells", "plant cells", "helper cells" ]
collar cells
sciq
f31343a4-d22a-42bf-88ae-bfb1296a7668
What organ system is comprised of your heart, blood, and blood vessels all working together?
[ "thoraxic system", "nervous system", "digestive system", "cardiovascular system" ]
cardiovascular system
sciq
c629e6a1-7321-477f-b50f-11f56f79da6f
What type of cells capture light energy, and use carbon dioxide as their carbon source?
[ "chloroplasts", "photoautotrophs", "blood cells", "sporozoans" ]
photoautotrophs
sciq
1cad13d2-1600-45b1-ab2e-61942ba91b87
When drinking water is treated, what is the term for when chemicals cause solids in the water to clump together?
[ "coagulation", "oxidation", "plasma", "clumping" ]
coagulation
sciq
7bd53296-56c9-4830-ae8a-7dc8893c364d
What does the urea cycle process?
[ "urine", "oxygen", "calcium", "nitrogen" ]
nitrogen
sciq
cf8d78d5-b210-4237-859f-7acbaaa672a1
When using a microscope we do not see the entire extent of the sample. depending on the eyepiece and objective lens we see a restricted region which we say is this?
[ "tunnel vision", "peripheral view", "focal point", "field of view" ]
field of view
sciq
ad6a30ac-ed2c-487f-b9db-dc81184a0230
Sickle cell diseas is caused by what?
[ "bronchiole allele", "receccisve allele", "posterior allele", "anterior allele" ]
receccisve allele
sciq
090cbb57-3a7f-4b91-86f9-42a36011f45f
What are the most successful organisms on earth?
[ "bacteria", "trees", "pests", "humans" ]
bacteria
sciq
dabc04d3-5867-4db7-8659-8b0cdf5a6cde
The temperature of an object is a measure of what type of energy?
[ "density", "chemical", "magnetic", "thermal" ]
thermal
sciq
347ac85d-844e-4516-92ad-12ee4cc393d0
The chromosomal theory of inheritance proposed that what reside on chromosomes?
[ "atoms", "rna", "genes", "molecules" ]
genes
sciq
0d0beed7-2956-4214-8263-6b1887e436fb
What process occurs around day 14 of a 28-day menstrual cycle, triggered by the lh surge?
[ "fertilization", "menstruation", "sedimentation", "ovulation" ]
ovulation
sciq
a9be8953-725d-4476-bcc2-237f00bafe5f
What term refers to a change in species over time?
[ "evolution", "mutation", "generation", "spontaneous change" ]
evolution
sciq
d625d4d8-12e3-4982-be3f-0875b9b86398
The nitrogen cycle moves nitrogen back and forth between the atmosphere and what?
[ "Ocean", "Ozone Layer", "sediments", "organisms" ]
organisms
sciq
95646c22-0559-4a76-a2fb-a8595feec4b0
Eutrophication, or high levels of nutrients, can cause conditions that deprive fish of what vital gas?
[ "nitrogen", "hydrogen", "oxygen", "dioxide" ]
oxygen
sciq
d3e5ec3e-c5cb-4bd5-ad6a-e5b9260b9817
What ancestors did caecillians evolve from?
[ "ornithopod", "hominid", "arthropod", "tetrapod" ]
tetrapod
sciq
1b0d5f3b-83f9-4a9f-8ddb-01964a33b62b
The surfaces of the bones at the joints are covered with a smooth layer of cartilage, which reduces what force between the bones when they move?
[ "gravity", "friction", "expulsion", "vibration" ]
friction
sciq
d761c949-55a9-4958-bdf4-e93f99ed95c5
The infection-fighting complement system consists of roughly 30 proteins in?
[ "blood plasma", "stomach acid", "stool", "fats" ]
blood plasma
sciq
8f9292e2-b2d5-43bf-ac8a-8b8ab9b01df6
In how many ways ca a living organism obtain chemical energy
[ "two", "four", "seven", "three" ]
two
sciq
8727f4ba-d7b5-44ec-8ca6-b04fd62da8cc
What stage in human males lasts from about ages 12 to 18 years and is controlled by hormones?
[ "childhood", "maturity", "puberty", "adolescence" ]
puberty
sciq
9f65ed7f-14d8-4698-8262-ba14b9f280b0
Elasticity is the ability of a material to return to its original shape after being stretched or?
[ "compressed", "Contained", "combustion", "correlated" ]
compressed
sciq
a650c815-bb12-4092-98d3-43e555ad0f1c
Many parasites have complex life cycles involving multiple ?
[ "diseases", "features", "hosts", "viruses" ]
hosts
sciq
1dd7fcd1-af74-40e1-923d-377ce6dc9967
What type of light is composed of many rays having random polarization directions?
[ "reflected light", "polarized light", "unpolarized light", "diffracted light" ]
unpolarized light
sciq
480c5fee-f600-49c9-9c52-324915eed6ac
How do yeasts reproduce?
[ "bisexual", "preferentially", "asexually", "homosexual" ]
asexually
sciq
a256c702-477a-4f5f-b9da-7f8a76a63e6a
In science, what can be described as a set of steps that help us to answer questions?
[ "scientific method", "theory", "hypothesis", "scientific controls" ]
scientific method
sciq
1a5456a3-0cb2-4818-a6f4-0e65a91fbb3f
What does the body derive from the breakdown of the carbohydrate-containing foods and drinks we consume?
[ "lipids", "amino acids", "glucose", "insulin" ]
glucose
sciq
b86d48ea-b725-460f-854f-3ed5d315ec0e
A mitotic spindle forms from the centrioles and passes through the nuclear membrane, which remains intact. chromosomes attach to the mitotic spindle, which separates the chromosomes and does what?
[ "migrates the cell", "elongates the cell", "manipulates the cell", "destroys the cell" ]
elongates the cell
sciq
85ae9b2b-13ff-4c25-b57c-c1dd94f75cad
Substances produced by a reaction are known as?
[ "solutions", "products", "compounds", "minerals" ]
products
sciq
fc6c5c98-1e12-48ed-a255-a9bcb0f4a1ec
What happens to the core of a star when it begins to run low on hydrogen?
[ "it explodes", "it disappears", "it expands", "it contracts" ]
it contracts
sciq
b9d8f45b-0e6d-4731-925a-7b3dec5339b3
What occurs when air masses meet?
[ "tides", "fronts", "earthquakes", "currents" ]
fronts
sciq
177a7c75-6483-428d-ad5a-75f1b067f794
What's the name for a cluster of genes, where one promoter serves adjacent genes?
[ "nucleus", "opteron", "plasma", "proton" ]
opteron
sciq
7046d26b-c845-4a6e-a906-dcf5c5d69be7
The diversity of alleles and genotypes within a population is known as genetic what?
[ "variable", "density", "group", "variance" ]
variance
sciq
af7084fb-c167-4810-8401-e746e374b63f
What does temperature measure?
[ "lowest kinetic energy of molecules", "average potential energy of molecules", "average kinetic energy of molecules", "highest potential energy of molecules" ]
average kinetic energy of molecules
sciq
e4e8a1a8-d07c-4cae-8eba-15d517820e6e
What is the term for when the water of the ocean slowly rises and falls?
[ "waves", "tides", "dew", "currents" ]
tides
sciq
bbfade4f-bc03-41fc-8a41-21a8420f6bdb
Female monotremes lack a uterus and vagina. instead they have what?
[ "urethra", "placenta", "cloaca", "endometrium" ]
cloaca
sciq
cacbeee9-f727-4aae-9220-505414785ebb
Pigments are substances that absorb what?
[ "natural light", "visible light", "artificial light", "synthetic light" ]
visible light
sciq
6c334682-5b6e-4747-b2f6-b3d29daad74d
What class of oxygencontaining compounds is formed by the dehydration of alcohols?
[ "ethers", "sugars", "reagents", "nethers" ]
ethers
sciq
3edf56c6-f593-440a-97bd-6af1277661c6
Group 16 is called the oxygen group. what is the only metalloid in this group?
[ "gallium", "tellurium", "beryllium", "cadmium" ]
tellurium
sciq
3a69b895-05be-4cbc-9dca-7d70369d0b5f
In his work with pea plants, mendel performed what, which involves mating two true-breeding individuals that have different traits?
[ "cross-breeding", "hybridization", "assimilation", "mutations" ]
hybridization
sciq
24af424d-3c83-40d5-bf4f-ab7daa5ae0c9
What type of minerals form when salt water evaporates?
[ "fermite", "halide", "carbonate", "sulfide" ]
halide
sciq
b87870f7-4662-4af7-8168-217d2df7503c
What are identified by the azimuthal quantum number?
[ "radioactivity - energy levels", "covalent bonds", "sub-energy levels", "ionic-energy level" ]
sub-energy levels
sciq
51c4da5a-4045-41d7-8e5e-86e236729f97
Desert plants have special stems and leaves to conserve what?
[ "water", "habitat", "food", "air" ]
water
sciq
8a67c7f7-25ee-434a-a6d7-a9cb8cc20367
What substance causes oxidation by accepting electrons?
[ "solvents", "oxidizing agent", "enzymes", "thermal agent" ]
oxidizing agent
sciq
04be1b00-0694-44b2-b43b-0bf42db18ba3
Angiosperm success is a result of two novel structures that ensure reproductive success: flowers and this?
[ "ants", "glass", "food", "fruit" ]
fruit
sciq
5c61aee0-c4f0-4830-9baf-e1a8da8b147b
Squamata is the largest order of what broad animal group, and includes lizards and snakes?
[ "mammals", "spiny fishes", "reptiles", "amphibians" ]
reptiles
sciq
be489695-83c3-45df-95ab-e248bc2fcaec
Animals that have been modified to express recombinant dna are called what?
[ "transgenic animals", "mammalian animals", "reproducing animals", "aquatic animals" ]
transgenic animals
sciq
aa8a05ba-b08c-45b8-9ec6-3cc139832f3c
In a medium, the closer the distribution of the material gets to what state, the slower the rate of diffusion becomes?
[ "erosion", "gas", "elastic", "equilibrium" ]
equilibrium
sciq
181b9577-15b7-48e6-9d7c-be289095041e
When substances pass through the cell membrane without needing any energy what is it called?
[ "passive transport", "active transport", "energetic transport", "kinetic transport" ]
passive transport
sciq
3821e9db-def1-49d6-a274-367d0c993aa5
Elements that do not need to conduct electricity are known as what?
[ "nonmetals", "silicates", "carbonates", "alloys" ]
nonmetals
sciq
47293ae9-85b1-4a3c-b1b9-68f5e6bd966e
What does the moon not have to protect it from extreme temperatures?
[ "atmosphere", "oceans", "metals", "oxygen" ]
atmosphere
sciq
4d5b16bf-0fac-456e-b2c7-cedc34f3ae6b
What happens between particles with opposite charges?
[ "they repel", "they attract", "they become static", "they oppose" ]
they attract
sciq
0521598e-1d5b-489e-a4ca-628cdca9c027
Which generation of a plant is generally larger and longer-lived?
[ "main generation", "effective generation", "dominant generation", "alpha generation" ]
dominant generation
sciq
40b324b9-0522-43c2-81dd-83029c5cad20
Mammals belong to which class of vertebrates?
[ "chondrichthyes", "placoderms", "agnathas", "endothermic" ]
endothermic
sciq
926977ea-2aa0-4a2d-a12e-30ab95ac1487
Animals that have feeding patterns that are somewhere between that of herbivores and carnivores can be called what?
[ "nematodes", "insectivores", "megavores", "omnivores" ]
omnivores
sciq
4fc3ea82-527d-4363-8e5b-3f8ffbeb208d
What organs produce eggs?
[ "ovaries", "glands", "kidneys", "testes" ]
ovaries
sciq
22954fbf-9aae-4e83-9c01-bd0c069c6490
What kind of reaction adds water to an organic molecule and breaks the large molecule into smaller molecules?
[ "supplementation reaction", "heat reaction", "aerobic reaction", "hydration reaction" ]
hydration reaction
sciq
1ca545ce-0ab6-4962-a046-a170efb8b2a6
How much larger can the most powerful light microscropes make an image?
[ "100 times", "2000 times", "500 times", "10 times" ]
2000 times
sciq
3658396d-816e-4ee1-8475-49b4bd2e1932
In mammals, air is warmed and humidified in what?
[ "esophagus", "stomach", "nasal cavity", "lungs" ]
nasal cavity
sciq
031526d2-e010-47fc-9e7b-70150746c988
What is the specialized tissue that transports water and nutrients throughout the plant and allows these plants to grow taller?
[ "blood vessels", "fiber tissue", "vascular tissue", "dioxide tissue" ]
vascular tissue
sciq
a65ba62c-d35e-4a57-8a76-89cf5a3a21e3
What is the term for the method of sending out ultrasound waves to determine the locations of objects?
[ "magnetism", "morphology", "echolocation", "catabolism" ]
echolocation
sciq
3e659600-48ed-4726-aa7b-8218aa93ba51
In autosomal dominant inheritance only one "affected" what is necessary to result in an "affected" phenotype?
[ "cells", "molecule", "trait", "allele" ]
allele
sciq
c75c5e9e-4002-409b-a1a6-61dd28866ec8
When the nucleus divides, the two chromatids that make up each chromosome separate from each other and move to opposite poles of the cell during this process?
[ "spawning", "mitosis", "cytokinesis", "meiosis" ]
mitosis
sciq
ca6a5445-f680-40af-8fbf-9bf3c246d630
What is the layer above the troposphere?
[ "troposphere", "thermosphere", "mesosphere", "stratosphere" ]
stratosphere
sciq
92d0c355-b7e5-4888-983d-a170e53250d7
Which system consists of organs that break down food and absorb nutrients such as glucose?
[ "circulatory system", "digestive system", "urinary system", "excretory system" ]
digestive system
sciq
8d0e1315-4e65-4e54-b5e2-5015c05f4de1
What part of the eye controls the size of the pupil?
[ "debis", "iris", "avis", "lens" ]
iris
sciq
1c6bf2e8-1ab4-4d66-a62d-a03547a22204
Depending on a tumor’s location, for example, cancer surgeons may be unable to remove it. radiation and chemotherapy are difficult, and it is often impossible to target only the cancer cells. the treatments inevitably destroy this?
[ "carcinogens", "host cells", "healthy cells", "fertility" ]
healthy cells
sciq
5aa54798-4b10-4bf0-b8af-a9009701c4a1
Sodium is an example of what sort of thing that cannot exist by itself in nature?
[ "aspect", "concept", "compound", "element" ]
element
sciq
8bdf3bc2-a313-4215-aea7-e0521fdb0c3f
What type of resource is water power?
[ "geothermal", "biological", "nonrenewable", "renewable" ]
renewable
sciq
415830bd-999e-482a-85d8-f4d55bb0b568
Which part of the plant is responsible for seed production?
[ "pistil", "flower", "leaf", "root" ]
flower
sciq
ad614eae-b01d-40b2-90e6-7a3b74f9e0bd
The two main agents of soil erosion are water and what else?
[ "humidity", "steam", "glaciers", "wind" ]
wind
sciq
7a642f11-cffc-4aad-9254-2b5d4cc8bfa8
What do aggregate fruits like raspberries form from?
[ "carpels fused together", "germinoles fused together", "follicles fused together", "chloroplast fused together" ]
carpels fused together
sciq
5c56f968-3212-40d0-9d42-0878eba2be4a
What kind of ions are named by adding the suffix -ide to the end?
[ "similar ions", "negative ions", "positive ions", "particular ions" ]
negative ions
sciq
44beeb0c-1d69-4999-89e2-500a43aab1da
These resources can be remade quickly, through natural processes
[ "fossil fuel", "electric", "non-renewable", "renewable" ]
renewable
sciq
5e94aebe-1f82-40f6-bc26-3082df0201b6
Inorganic chemical compounds can be broadly classified into two groups: ionic compounds and which other group?
[ "molecular compounds", "atomic compounds", "electromagnetic compounds", "cellular compounds" ]
molecular compounds
sciq
1fcbacf0-7037-4ca6-bc2e-6eb970fa3c22
Fish are a diverse and interesting group of organisms in what sub-phylum?
[ "invertebrates", "vertebrates", "organelles", "mammals" ]
vertebrates
sciq
a4237ab1-c924-4c79-85e4-5c4255301530
Spinal cord injuries are notoriously difficult to treat because spinal nerves do not do what?
[ "moisture", "regenerate", "cartilage", "cover" ]
regenerate
sciq
d7a958e0-b57c-4e69-8bee-2c7333be8033
The ratio of displacement to time interval is the average what?
[ "acceleration", "velocity", "speed", "direction" ]
velocity
sciq
9c1f0a29-7f18-421c-b7cb-2c0b755de135
What is the modern periodic table based on?
[ "metallic number", "atomic number", "element density", "element mass" ]
atomic number
sciq
6ae1085c-180e-45d2-99fa-f2913ffc7fe4
The needle of a compass is made of what element?
[ "nickel", "tin", "aluminum", "iron" ]
iron
sciq
1a45eadd-89f4-4058-93bc-5b1336a01aab
What is the process in which the genetic code in mrna is read to make a protein called?
[ "translation", "modification", "expression", "splicing" ]
translation
sciq