id
string
question
string
choices
list
answer_key
string
source
string
5e4775ac-85f7-4999-87d6-09f2add2fcfb
Amniotes are animals that produce eggs with membranes possessing what property, which allowed them to lay eggs on land?
[ "absorbent", "hard", "waterproof", "heavy" ]
waterproof
sciq
ce51d632-ebfc-4e15-8c61-7088d5c66902
When water particles become hot enough to overcome the force of attraction between them, what happens to the water?
[ "it pools", "it evaporates", "it boils", "it freezes" ]
it boils
sciq
8af36a74-1bea-47c5-8f70-4a781d1cd865
In mammals, what layer protects the egg?
[ "Albumen", "Germinal Disc", "Choloza", "zona pellucida" ]
zona pellucida
sciq
678a5a54-064b-43ed-8b3a-549f2ca72ad6
After infecting a host, what inactive state do some viruses enter?
[ "potency", "immunity", "hibernation", "latency" ]
latency
sciq
db2f8016-ecf7-4e57-805e-85b89f35ff4d
Changes in the number of what can lead to disorders like down syndrome?
[ "dna", "genes", "chromosomes", "prokaryotes" ]
chromosomes
sciq
cbc6e4d7-857f-47d2-8ceb-69dd5232e435
What are centrioles made from?
[ "short filaments", "short microtubules", "carbon", "short particles" ]
short microtubules
sciq
f6b1d40b-e2ec-41d5-a627-6054eac67b8a
What of most species are resistant cells that can survive harsh conditions?
[ "zygotes", "subtypes", "phenotypes", "gonads" ]
zygotes
sciq
3b0f7a4a-6b15-4ce9-bc78-d005ef34fcd3
Animals can not produce their own food making them _________.
[ "autotrophs", "heterotrophs", "photoreliant", "omnivores" ]
heterotrophs
sciq
65c4bfe5-9238-483c-9430-7f17b010fd23
In the stomach, which material's arrival triggers churning and the release of gastric juices?
[ "acid", "food", "bile", "hair" ]
food
sciq
2701a807-d862-42ee-a8c8-e0832da32a8d
What is the term for seed plants?
[ "proteins", "germospores", "spermatophytes", "sporozoans" ]
spermatophytes
sciq
f300df73-3b93-40eb-a80c-07e1cef2c096
Cnidarians have a simple digestive system with a single opening surrounded by what type of structures, which are used to capture prey?
[ "tentacles", "claws", "antennae", "spines" ]
tentacles
sciq
3d253284-7a69-4520-a342-dd6df044c3ca
What is the state of matter that resembles a gas, but is made of ions, giving it different properties than a typical gas?
[ "vapor", "plasma", "acid", "gamma" ]
plasma
sciq
4bf09098-8aab-4280-ba03-54fcd206f193
Natural selection for what type of trait changes the distribution of phenotypes?
[ "parent trait", "major trait", "maladaptive trait", "polygenic trait" ]
polygenic trait
sciq
10187f8e-0f53-434e-aa8f-679032d512b4
Systemic veins return blood low in what to the right atrium?
[ "nutrients", "nitrogen", "oxygen", "dioxide" ]
oxygen
sciq
1fc404d3-5fd2-491a-881d-421e9422a750
The three long muscles on the back of the knee are part of which group?
[ "patella", "adductors", "synovial joint", "hamstring group" ]
hamstring group
sciq
23e44fac-1ddf-4074-95ff-d6bc33acd625
What shapes, supports, and protects the cell?
[ "the mesothelium", "the cell wall", "the chloroplast", "the epithelium" ]
the cell wall
sciq
1cb70d5e-a7d2-4a3f-9c00-70bbd05b34aa
What process, which results because of great pressure at the center of a star, causes stars to shine?
[ "electric fusion", "gravitational pull", "energy fusion", "nuclear fusion" ]
nuclear fusion
sciq
bacf4f21-6e4c-4185-9880-2403732e583f
What do we call the formation of a gas from a liquid at temperatures below the boiling point?
[ "pulverization", "evaporation", "melting", "steaming" ]
evaporation
sciq
0af57df2-8c33-4555-a5a4-d6c9fc0fa443
What is a sugar that is found in fruits?
[ "ethanol", "sucrose", "glucose", "fructose" ]
fructose
sciq
639f9bb6-0cb0-47a9-8b74-57a4a0103920
What are unsaturated hydrocarbons with at least one triple bond between carbon atoms?
[ "lipids", "alkynes", "ketones", "amines" ]
alkynes
sciq
a895bc1e-1cf2-4bc2-8945-35f48fe688f4
Are ecotones wide or narrow?
[ "somewhere in between", "can be both", "narrow", "wide" ]
can be both
sciq
f72f17de-8689-4019-9484-952e60ba0884
Which infection of multicellular eukaryotes is usually limited to particular tissues?
[ "parasites", "viral", "digestive", "bacterial" ]
viral
sciq
df1afb6d-f624-48ed-96ce-d7a534505222
What is the term for the breakdown of unstable isotopes into stable elements?
[ "secondary decay", "isotopic decay", "radioactive decay", "radioactive decrease" ]
radioactive decay
sciq
b4fb15cf-ad1d-4a73-9dcb-7c07d174a650
What are the light wavelengths that the human eye can detect called?
[ "apparent light", "visible light", "ultraviolet light", "infrared light" ]
visible light
sciq
6d29b99b-9272-4e58-9bc9-6d1acdcf2882
Most of the energy used by living things comes either directly or indirectly from what?
[ "the moon", "the soil", "the sun", "plants" ]
the sun
sciq
aa0133a4-112b-499c-a90c-8f2ab3088986
Population growth is determined by rates of birth, death, immigration, and what else?
[ "emigration", "relaxation", "exploitation", "excitation" ]
emigration
sciq
5a8f20ef-7be2-4262-8f37-f2fd0758b85a
What works by selecting for alleles that confer beneficial traits or behaviors, while selecting against those for deleterious qualities?
[ "same selection", "artificial selection", "characteristic selection", "natural selection" ]
natural selection
sciq
5f20b8d1-fc94-4eb7-9f50-b8bf7df16321
Paint keeps oxygen and water from coming into direct contact with the metal, which prevents what?
[ "corrosion", "heat", "filtration", "evaporation" ]
corrosion
sciq
7407cbb9-3830-4219-bfb2-9b3c5a0a3c09
What type of electrons do all group 14 elements have four of?
[ "valence", "shell", "internal", "second layer" ]
valence
sciq
8c39e61b-e169-443a-8b45-e797841be5da
List the three major types of blood vessels.
[ "veins, capillaries, vessels", "vessels, tubes, veins", "arteries,capillaries, veins", "vessels, arteries, capillaries" ]
arteries,capillaries, veins
sciq
9f486568-6d58-4044-a954-b514de398f0a
Acetone is the simplest type of what organic compound that involves a carbonyl in which the carbon atom makes single bonds with two other carbon atoms?
[ "enzyme", "anion", "protein", "ketone" ]
ketone
sciq
fddda271-08fa-46fa-9108-87f41b26723f
What term is used to describe birds that hunt, eat mammals, and other birds?
[ "predators", "raptors", "warriors", "consumers" ]
raptors
sciq
02220d45-cc52-4875-b037-2c315ecc4f2a
What do you call a compound that contains both an amino group and a carboxyl group in the same molecule?
[ "amino acid", "catalyst", "compound acid", "carbolic acid" ]
amino acid
sciq
d9f33d7b-6f3b-459a-b8fb-d089ee4cee91
What system consists of structures that produce eggs, secrete female sex hormones, and ultimately enable birth of a fetus?
[ "female reproductive system", "female hormone system", "female uterus system", "male reproductive system" ]
female reproductive system
sciq
bf199ea4-6097-43f0-a046-b9dfb82b3001
The medieval catapult has a heavy ballast on one end and what on the other end?
[ "fragment", "projectile", "pivot", "propellant" ]
projectile
sciq
89976019-9e21-422a-842d-31a075ad7601
What period starts after the baby is born, and the placenta is expelled from the body?
[ "postpartum", "traumatic", "fetal", "postfetal" ]
postpartum
sciq
55c9debb-157d-4ef2-a30c-94b2d97e0ab0
What do you call the lightless part of the ocean?
[ "Davy Jones' Locker", "photic zone", "aphotic zone", "photoreactive zone" ]
aphotic zone
sciq
5d9d8a40-f424-43be-b3fc-f9c9d6bc2950
The creation of a voltage across a current-carrying conductor by a magnetic field is known as what?
[ "hall effect", "off effect", "show effect", "newton effect" ]
hall effect
sciq
9f4aa84f-4c7b-4120-a6c5-0fdf6feaabfa
Pavement cells, large, irregularly shaped parenchymal cells which lack chloroplasts, make up the majority of what?
[ "layers", "Skin", "epidermis", "dermis" ]
epidermis
sciq
24fbad76-99bd-44d0-9ece-6c178bd15737
What do convergent plate boundaries with trenches have?
[ "volcanoes", "caves", "earthquakes", "geysers" ]
volcanoes
sciq
8e96cd91-155a-4ff8-833d-cb41d7b51ea4
Around what percentage of the earth's surface water is contained in the ocean?
[ "92 %", "86 %", "99%", "97%" ]
97%
sciq
079d6169-edc3-47ed-ba30-2732ee6a0c27
What celestial structure does not give off its own light?
[ "the moon", "meteors", "asteroids", "the stars" ]
the moon
sciq
03b8aa87-a89b-4804-9416-1f321ab76dde
Which rule is a result of trends in energies and is useful in explaining why atoms form the ions that they do?
[ "coupling rule", "octet rule", "nutron rule", "electrons rule" ]
octet rule
sciq
a3a2e226-6267-47bd-b255-0dce257125a9
What is the second most common type of cancer in both men and women?
[ "lung", "skin", "breast", "heart" ]
lung
sciq
d8988c9c-32aa-4d8c-b1c7-ef8b9393dc22
What is the main difference between prokaryotic and eukaryotic cells?
[ "absence of cytoplasm", "presence of cytoplasm", "presence of a nucleus", "enlarged mitochondria" ]
presence of a nucleus
sciq
f5cfe97f-3fc8-4540-8595-f76fa5d650b0
What is a layer of saturated porous rock?
[ "an aquifer", "a shear", "a quarry", "an overhang" ]
an aquifer
sciq
d64e6140-c378-4757-b508-6bf338b9e2dc
What element, which often forms polymers, has a unique ability to form covalent bonds with many other atoms?
[ "oxygen", "hydrogen", "carbon", "iron" ]
carbon
sciq
086220fd-ca1d-42ed-a622-47d6d8f6a91a
Early in the development of a human fetus, the skeleton is made entirely of what?
[ "anterior", "membrane", "cartilage", "bones" ]
cartilage
sciq
100c0d88-1b38-4888-a828-483ac7afe082
What type of disease can be treated by radioactive elements in glucose?
[ "genetic disorder", "cancer", "infection", "mutation" ]
cancer
sciq
f00a8656-fa3c-4fba-b40f-5f1d40fce709
What theory of gases describes this state of matter as composed of tiny particles in constant motion with a lot of distance between the particles?
[ "optical", "kinetic", "magnetic", "thermal" ]
kinetic
sciq
662a0fa7-ab46-4e28-8c9b-7ccc7bc55074
When egg laying and mating occur together, as in external fertilization, the certainty of what is high?
[ "high reproduction rate", "paternity", "survival", "germination" ]
paternity
sciq
d943f5d0-bdc8-46b4-96c7-0b9d47ca607f
What control reproductive cycles, which are in turn regulated by environmental cues?
[ "brain waves", "hormones", "enzymes", "nerve impulses" ]
hormones
sciq
cada29df-1ba5-4209-8f5b-73e35f183467
Which gas is responsible for global warming?
[ "carbon dioxide", "ozone", "hydrocarbons", "oxygen" ]
carbon dioxide
sciq
6925fc4d-39bd-497d-bc4b-f78e076bdfd4
The short length of what in women is the best explanation for the greater incidence of uti in women?
[ "uterus", "vagina", "urethra", "fallopian tube" ]
urethra
sciq
cd9d9ed3-5e90-45db-ad38-3572f95a247b
What type of cells are flagella rare in?
[ "cancer.", "intracellular", "eukaryotic", "synthetic" ]
eukaryotic
sciq
73213ef4-eca4-4584-a599-167c06825c90
Solids and liquids are phases of matter that have their own unique what?
[ "masses", "volumes", "temperatures", "properties" ]
properties
sciq
4c11de2d-75e9-4356-95b0-b441a46d3335
What do many fungi secrete that break down complex molecules to smaller molecules that can be absorbed?
[ "carbohydrates", "water vapor", "hormones", "enzymes" ]
enzymes
sciq
3f1708cd-81bf-4167-a161-81d238c7f6b9
All three types of convergent plate boundaries produce what destructive phenomenon?
[ "tornado", "earthquake", "storm", "volcano" ]
earthquake
sciq
ced43f9b-6bf5-44b3-8ae9-adeca25bab78
How do plants obtain their energy?
[ "glycolysis", "photosynthesis", "Sugar Transfer", "HETEROTROPHS" ]
photosynthesis
sciq
e2c0ffe4-3b9a-4a20-82f2-434b894c0836
The mouth, stomach, esophagus, small intestine, and large intestine are all part of what organ system?
[ "lymphatic", "respiratory", "digestive", "muscular" ]
digestive
sciq
c19eb6c5-8b1b-4940-8284-de886ad943e6
An environment in which cells neither sink nor swell is known as what?
[ "electrolyte environment", "isotonic environment", "exothermic environment", "pressured environment" ]
isotonic environment
sciq
4d1b4d68-357d-4b5f-ba18-e1b78eb5a2a2
Particulates from cigarette smoke that enter what structures can cause a permanent reduction in lung capacity?
[ "cells", "chambers", "alveoli", "glands" ]
alveoli
sciq
b97790a3-cc5b-45ae-ac94-cc78bfc7e6ee
Terrestrial arthropods generally have internal surfaces specialized for what?
[ "food gathering", "water uptake", "protection", "gas exchange" ]
gas exchange
sciq
40709e16-c4e8-480d-bdcb-a164bcf52a11
What are the two groups that tripoblastic eucoelomates can be divided into based on early embryonic development differences?
[ "protostomes and eurostomes", "protostomes and deuterostomes", "odontoblasts and deuterostomes", "heterodimers and deuterostomes" ]
protostomes and deuterostomes
sciq
799fd823-cbe7-4939-901a-ee3f71a92067
What part of the cell is surrounded by a membrane and holds the genetic information for the cell?
[ "nucleus", "lower", "cell wall", "upper" ]
nucleus
sciq
c1c677bd-f3c3-4e3f-8f34-cc8d14b0c37b
What are angiosperms most important function to humans?
[ "water filtration", "gasoline", "food", "oxygen production" ]
food
sciq
5c6e790e-d7c3-4ce9-ae3d-8ea7e683e3c3
How many atoms are evenly organized around a central atom?
[ "seven", "five", "six", "four" ]
six
sciq
1061a0e8-0b50-43c2-88fd-9347423d4a1d
What are formed by atoms gaining electrons?
[ "anions", "ions", "cations", "oxides" ]
anions
sciq
04ab1452-da89-4849-b20c-6dd57622ce8d
What type of fish are the majority of living species?
[ "freshwater fish", "ray-finned fish", "lungfish", "cartilaginous fish" ]
ray-finned fish
sciq
4a1bb3e0-ee40-466b-ba39-82f6e329f417
What are the light highlands of the moon called?
[ "mariae", "craters", "kepler hills", "terrae" ]
terrae
sciq
f54e8a7c-8166-43c0-a83e-8d4c1bbb014b
The shape of earlobes is an example of what kind of trait, which is influenced by genes and passed along through generations?
[ "genetic disorder", "inherited trait", "instinct", "acquired trait" ]
inherited trait
sciq
76b2242a-dded-4bec-8492-e96f9ec6ecc4
Mosses, liverworts, and hornworts are examples of what type of plant in which gametophyte generation is dominant?
[ "nonvascular plants", "photoreactive plants", "choanocyte plants", "vascular plants" ]
nonvascular plants
sciq
a4ad31ab-ff4e-4e8d-a70a-b8099741129e
Release of spores in a suitable environment will lead to germination and a new generation of what?
[ "filaments", "assemblages", "gametophytes", "seeds" ]
gametophytes
sciq
7279f688-5376-40dc-ba22-cca841c747a5
Why are living things considered to be renewable?
[ "they inherit traits", "they reproduce", "they evolve", "they decompose" ]
they reproduce
sciq
8084f950-f93d-4832-ae33-a8f935964a9d
What is the term for the metabolic reaction where living systems build new molecules?
[ "connectionism", "metabolism", "anabolism", "symbolism" ]
anabolism
sciq
9873ac0f-5856-4333-95dd-ab6add399e89
Name the three types of muscle tissue.
[ "cardiac, smooth, long", "skeletal, cardiac, long", "smooth, long, tight", "skeletal, smooth, cardiac" ]
skeletal, smooth, cardiac
sciq
5adbcc44-1055-4d93-87fe-53c4513080e1
Cellular respiration and photosynthesis are important parts of which cycle?
[ "vapor cycle", "carbon cycle", "greenhouse effect", "water cycle" ]
carbon cycle
sciq
82e60cab-709f-4df7-8208-c118b363932e
What are the winds that occur in belts that encircle the planet?
[ "galactic winds", "global winds", "new winds", "global rains" ]
global winds
sciq
418948e4-bd49-48d3-a9e0-e42904810f95
Human mammary glands can produce what substance, which can be used to feed children?
[ "edema", "sperm", "milk", "urea" ]
milk
sciq
25dfa5d8-dd84-4b5f-ac21-6dbd5526ff94
What is a prerequisite for fertilization to take place in plants?
[ "photosynthesis", "mitosis", "germination", "pollination" ]
pollination
sciq
2b104616-50e0-45a2-917a-57a3fc143e1f
Water is allowed to flow downhill into a large turbine to harness power. what helps the turbine spin?
[ "kinetic energy", "residual energy", "electrostatic energy", "polar energy" ]
kinetic energy
sciq
784bca9f-b294-4d80-b13e-4254294c93bb
The movement of bone away from the midline of the body is called what?
[ "continuation", "flexion", "spring", "extension" ]
extension
sciq
aea477a3-71b5-4ffd-a31a-d954f0698391
What occurs when so much water enters a stream or river that it overflows its banks or when deep snow melts very quickly in spring?
[ "avalanche", "storm", "flooding", "drought" ]
flooding
sciq
de9c8439-d26a-41e0-a087-cfaaaf81991f
What is the cause of the “heartburn” that occurs when acidic digestive juices escape into the esophagus?
[ "toxic reflux", "acidic buildup", "acid reflux", "acid pressure" ]
acid reflux
sciq
f054cc54-7de6-4a2e-8583-cdf5034b82ef
By 180 million years ago, pangaea began to do what?
[ "break up", "combine", "grow", "freeze" ]
break up
sciq
4d002f0a-0e35-4d2a-b959-9d16d09cf742
What has a single voltage source and a single resistor
[ "pattern circuit", "complex circuit", "stuff circuit", "simple circuit" ]
simple circuit
sciq
70820cf5-01fd-4e12-af2b-a1b13698f465
What property is associated with the number of reactant molecules involved in an elementary step?
[ "molecularity", "pollenation", "Molecules", "kilocalorie" ]
molecularity
sciq
69ff82aa-e1a9-4142-90fa-67e4dc085e35
During an earthquake, wet soils become like what?
[ "water", "rock", "sand", "quicksand" ]
quicksand
sciq
9f728c36-0752-4f6c-bef2-02a805b9e7cc
What helps sound travel in waves?
[ "gases", "speaker placements", "temperatures", "molecules" ]
gases
sciq
d5950d74-6bbc-43fa-8382-6a574721c4cc
What kind of relationship between glucagon and insulin is vital to managing fuel storage and consumption by body cells?
[ "opportunistic", "commensalism", "antagonistic", "sympathetic" ]
antagonistic
sciq
eed2bf40-54ce-4b47-b5ce-a75961633c21
The yellowstone hot spot is a famous example of a what?
[ "oceanic hot spot", "form hot spot", "continental hot spot", "deeper hot spot" ]
continental hot spot
sciq
62cb5a54-7d87-400b-a51b-d9a39f53126e
Ionic compounds take on the form of extended three-dimensional arrays of cations and what else?
[ "electrons", "anions", "oxides", "crystals" ]
anions
sciq
d792b1cd-4799-496a-891e-a0b9407ee178
Electric generators convert what type of energy to electric energy?
[ "fluid energy", "thermodynamic energy", "mechanical energy", "electromagnetic energy" ]
mechanical energy
sciq
9a5db1ee-e062-4c88-a7b8-b11386d1e173
What can autographs do that heterotrophs cannot do?
[ "make their own air", "make their own food", "live without water", "live without sleep" ]
make their own food
sciq
30658d36-2274-477d-a3f5-bf89d6e3f40b
The primary amine in which the nitrogen atom is attached directly to a benzene ring has a special name, what is it?
[ "nitrate", "cyanide", "aniline", "aldehyde" ]
aniline
sciq
0b50c110-b66c-476f-8b21-224287fad8ad
What is formed when each sodium atom donates its single valence electron to a chlorine atom?
[ "nitrogen chloride", "sodium chloride", "trioxide chloride", "carbon chloride" ]
sodium chloride
sciq
30a342bf-d33a-479f-b984-4a1a85c59f31
The fujita scale measures the intensity of what weather event, based on wind speed and damage?
[ "tornado", "wind gust", "sandstorm", "blizzard" ]
tornado
sciq
e644625a-1eec-4bff-8bbb-283f47a7f126
What allows the electrons to move in an electrochemical system.
[ "magnetism", "mass", "conductor", "conduction" ]
conductor
sciq
f679e233-3dc7-4716-9e23-feca6e92bb21
The simplest type of battery contains what?
[ "water", "single cell", "alkaline", "multiple cells" ]
single cell
sciq
35b6225d-eca9-4e61-9566-472db5fa23e4
A newborn baby has a soft spot on the top of its head. over the next few months, the soft spot gradually does what?
[ "weakens", "shrinks", "grows", "hardens" ]
hardens
sciq