id
string
question
string
choices
list
answer_key
string
source
string
7be6646e-228f-4d41-a4f7-629e0bac7ca2
When an atom gains or loses an electron it becames an?
[ "electron", "neutron", "photon", "ion" ]
ion
sciq
2187ae0d-4c45-4b97-a1ab-4b7ee19ec16e
What is a type of cell that supports neurons and maintains their environment?
[ "interneuron cell", "axon cell", "neurofilament cell", "glial cell" ]
glial cell
sciq
f734861e-c72c-4e67-bde8-97666d348dcc
The coordinated activities of the legume and the rhizobium bacteria depend on what between the partners?
[ "fertilizer signals", "electric signals", "sight signals", "chemical signals" ]
chemical signals
sciq
927c17ae-e36c-485b-a714-632943ac8436
The purpose of scientific investigations generally is to test a what?
[ "theory", "question", "hypothesis", "suggestion" ]
hypothesis
sciq
278e6d5e-6a83-4ea2-8f23-4b8b78c50f4e
The most common curved mirrors are what?
[ "concave", "spherical", "solid", "convex" ]
spherical
sciq
bf70d2d5-7dd8-41ac-9986-3ebadd234efb
What type of tissue covers the outside of a plant in a single layer of cells called the epidermis?
[ "dermal", "mucous", "dorsal", "anterior" ]
dermal
sciq
e0c9412f-c4ff-49ed-8fff-096244d1817b
In a molecular compound, electrons are shared between atoms in which type of bond?
[ "Ionic", "corrosion", "deformation", "covalent" ]
covalent
sciq
95798e95-4580-4b08-819d-93839b28f3ea
What process does water undergo to leave behind dissolved substances?
[ "accumulation", "evaporation", "oxidation", "ascension" ]
evaporation
sciq
b83cfe01-c5cd-4f5f-b40d-50be626c08f8
What type of proteins bind to foreign substances and attempt destruction?
[ "antibodies", "ribosomes", "membranes", "antigens" ]
antibodies
sciq
6bdd1a57-bdc5-4072-b138-a023e2e1769f
Photosynthesis involves reactions that are dependent on what?
[ "water", "food", "air", "light" ]
light
sciq
5a183ff8-e029-4956-a9a0-5a16ee8917cc
Like simple hormone pathways, hormone cascade pathways typically involve what kind of feedback?
[ "positive", "negative", "effective", "neutral" ]
negative
sciq
3a478e12-56eb-4c93-a826-1869f90ff22d
The ocean basin begins where the ocean meets what?
[ "sea", "river", "land", "bay" ]
land
sciq
0afcea28-cf2e-43ae-89b4-fad8b0327cce
What causes cobalt chloride to turn pink?
[ "show 2 + ions", "co 2+ ions", "h20 + ions", "discussed 2 + ions" ]
co 2+ ions
sciq
c5e41011-1f46-4bde-97a3-b03afa1fcf4c
What bodily defense can be acquired in an active or passive way, and can be natural or artificial?
[ "membrane", "nerves", "skin", "immunity" ]
immunity
sciq
ac464619-9f1f-4758-9eb3-986731a9b632
Like the stem, what basic plant structure contains vascular bundles composed of xylem and phloem?
[ "bark", "flower", "leaf", "root" ]
leaf
sciq
1dc49812-3cfb-4336-a5f8-92336f096d28
What kind of symmetry do echinoderm larvae have?
[ "internal", "radial", "bilateral", "spherical" ]
bilateral
sciq
0fcaee04-9186-4d51-b454-99e83b3c1af5
Reducing waste, as well as reusing and recycling resources, can help save what?
[ "natural resources", "eletrical resources", "coral resources", "artificial resources" ]
natural resources
sciq
ef34b8e8-daf7-4635-83a4-c37174ce62be
What is a person who studies the frequency and distribution of disease within human populations and environments called?
[ "entymologist", "epidemiologist", "biologist", "anthropologist" ]
epidemiologist
sciq
6a6ba3ae-61d9-46c0-bda9-2899dc463184
In adaptive radiation, what is the name of the initial species that then subsequently becomes multiple other ones?
[ "father", "founder", "pioneer", "Mother" ]
founder
sciq
61ad1e4d-da32-426f-85f6-54df3ba6f6f6
The structures of both trifluoramine and hydroxylamine are similar to that of what?
[ "magnesium", "hydrogen", "ammonia", "nitrogen" ]
ammonia
sciq
3640a6ca-ab89-4c1e-8021-fdabd6ac5327
What protects reptiles from drying out?
[ "scales", "skin", "sweat", "hairs" ]
scales
sciq
a1081b3f-1444-4f66-bd88-3888d494b6b5
How many chromosomes do bacterial dna have?
[ "one simple chromosome", "one rectangular chromosome", "one triangular chromosome", "one circular chromosome" ]
one circular chromosome
sciq
bbb26290-b6cc-4918-ad17-ce3e3615324b
What makes blue cheese blue?
[ "mites", "rennit", "fungus", "rot" ]
fungus
sciq
789f0595-14a1-4648-8519-828f5c41b181
What type of evolution often happens in species that have symbiotic relationships?
[ "succession", "retrogression", "spontaneous evolution", "coevolution" ]
coevolution
sciq
fd6f4403-213c-4197-8fb1-11ab8c79e9a5
Helicopter pilots can recover from piloting errors by decreasing altitude, turning some of their potential energy into what kind of energy?
[ "electrical", "kinetic", "active", "free" ]
kinetic
sciq
a2c959b7-dc32-43ad-9be9-63c7d86c3943
Rise divided by run is called what?
[ "steep", "mound", "hill", "slope" ]
slope
sciq
d058dcd5-0357-48cc-a086-341b0749c9fa
Where did west nile first appear?
[ "North Africa", "Central America", "Southeast Asia", "north america" ]
north america
sciq
d04b663b-266c-41e1-bfe1-d42f8f8d1274
How do cancer cells typically spread from one part of the body to another?
[ "bloodstream", "liver", "kidneys", "plasma" ]
bloodstream
sciq
45657224-e9e5-4be8-8950-b708f7cc1a79
The rate of the accumulation of neutral what serves as a type of population-based biological clock?
[ "eukaryotes", "polymorphisms", "prokaryotic", "enzymes" ]
polymorphisms
sciq
6206517e-10bd-460e-9944-dd8ff7aeb99e
The transmitted light strikes a photoelectric tube, which converts the light energy to?
[ "color", "heat", "gas", "electricity" ]
electricity
sciq
9a7051cb-e2cb-4070-8200-7127e52b6ffe
About how many grams of carbohydrates are in a typical apple?
[ "20", "25", "35", "30" ]
20
sciq
3daf9d42-e753-4758-b13f-5a3b46eb8d6b
What is the smallest unit of a chemical element called?
[ "cell", "droplet", "atom", "nucleus" ]
atom
sciq
4d68730b-fd10-4f66-98da-f0990c5980c9
What is the term for a scalar measure of how quickly an object is moving along this line?
[ "force", "speed", "motion", "velocity" ]
speed
sciq
d5311c90-c72e-4a5c-93bd-ee97b4b80be4
A redox reaction rearranges what subatomic particles?
[ "water molecules", "electrons", "protons", "neutrons" ]
electrons
sciq
0b02633a-11b5-4b72-a3c4-2fffaa126d30
What substances digest the food in the vacuole of an ingestive protist?
[ "carbohydrates", "hormones", "lipids", "enzymes" ]
enzymes
sciq
9a055c8a-e3b1-411c-b340-476b8cebb1c0
What type of force allows non-polar molecules to interact?
[ "graviitational force", "centrifigal dispersion", "london dispersion", "experienced dispersion" ]
london dispersion
sciq
40ab68bf-f484-40fe-a4cf-6443f3228a82
What is a thin layer of bacteria that sticks to a surface?
[ "a monofilm", "a biolfilm", "a choanocyte", "a spicule" ]
a biolfilm
sciq
adb62f66-c0ce-4c5b-bc6a-fa65744b9f35
The amount of water vapor in the air and the temperature of the medium affects how fast what travels?
[ "traffic", "colour", "sound", "light" ]
sound
sciq
b076df25-35e4-40ee-bef6-9ad4346a1764
An rna codon reading guu encodes for what?
[ "arginine", "glycine", "valine", "carbon" ]
valine
sciq
ae0e63d3-20b6-49fb-af1f-e970a4ce113a
Scanning acoustic microscopes use what kind of waves to scan a specimen?
[ "radio waves", "heat waves", "sound waves", "gamma waves" ]
sound waves
sciq
fb491ab1-45b2-4e2e-a276-3a87fcd485cc
The contents of which organ are mixed every 20 seconds?
[ "the stomach", "kidney", "pancreas", "the metabolism" ]
the stomach
sciq
09129163-f097-4eae-80c4-13cb048b4944
How many chambers are in a reptiles heart?
[ "three", "five", "two", "ten" ]
three
sciq
4e2147d2-8e50-4984-824d-1e4214f1ace5
What is the opening in the front of the eye called?
[ "iris", "lens", "cornea", "pupil" ]
pupil
sciq
808f5907-533e-4a28-a0e9-f23cce938045
When salinity and pressure increase, or when temperature decreases, what happens to water density?
[ "drops", "stays the same", "increases", "fluctuates" ]
increases
sciq
35a18691-7032-4015-abe8-536154bfb1cc
The bending of a wave around the edges of an opening or an obstacle is called this?
[ "sputtering", "reflection", "absorption", "diffraction" ]
diffraction
sciq
623efbcb-3d21-428b-a0a3-066d4e5d2b95
What controls the shape of a developing zygote early in its development?
[ "gap genes", "DNA", "chromosomes", "storage genes" ]
gap genes
sciq
5c94ae39-c7e4-4e06-a654-73dbd4bd1ce7
What happens to structural genes in the presence of tryptophan?
[ "they are transcribed", "they are not transcribed", "they are not oxidised", "they are exterminated​" ]
they are not transcribed
sciq
f7d1923e-9013-440e-8b5e-26b08fbe51c8
What type of pressure may build up inside the cell when water moves into a cell by osmosis?
[ "transverse pressure", "pleasurable pressure", "impervious pressure", "osmotic pressure" ]
osmotic pressure
sciq
2dbfa59f-641a-42df-9b22-233cfcdd8c85
What is the process by which plants make their own food called?
[ "atherosclerosis", "photosynthesis", "fission", "fusion" ]
photosynthesis
sciq
107f579a-f3a8-4556-a5ff-1adb2d297062
Conductivity, oxidation state and physical appearance are properties that help determine whether what are metals?
[ "atoms", "organisms", "elements", "phases" ]
elements
sciq
e07ed3c2-5982-44ed-8abe-ca9e40f43038
What specific part of the brain regulates the endocrine system?
[ "frontal lobe", "parietal lobe", "hippocampus", "hypothalamus" ]
hypothalamus
sciq
797b261f-bcb2-4cca-bec3-4b3c027024ca
Chemical reactions follow which laws?
[ "Chemical kinetics", "Archie's law", "Physics Analysis", "thermodynamics" ]
thermodynamics
sciq
e6477752-f2a6-42e2-be7d-d01408aec809
There are three basic types of hormones: lipid-derived, amino acid-derived, and what?
[ "acidic", "manipulated", "secreted", "peptide" ]
peptide
sciq
ca5e64ed-c6b1-4a98-8b47-2550cf40c076
Fertilization occurs when an egg and sperm come together to form a what?
[ "cell", "zygote", "eukaryote", "infant" ]
zygote
sciq
5164c96c-cd12-4708-b1b7-6008ca4106bd
The explosion of nitroglycerin, which releases large volumes of gases, is what type of reaction?
[ "exponential", "exothermic", "endothermic", "energetic" ]
exothermic
sciq
0995e793-e39d-4c59-b719-0a2167bfa319
What done ozone help protect against?
[ "helium rays", "x-rays", "ultraviolet rays", "gamma rays" ]
ultraviolet rays
sciq
728dde4f-318e-4bec-8294-16f9c8af9591
What category of food includes sugars, starches and fibers?
[ "carbohydrates", "proteins", "alcohols", "enzymes" ]
carbohydrates
sciq
556b95d6-8a2f-4638-aa3b-59d77b87bc91
What are substances that the body needs for energy, building materials, and control of body processes?
[ "acids", "nutrients", "molecules", "carbons" ]
nutrients
sciq
edff7e24-a45d-45b8-b484-711d2da75148
What law shows the relationships among temperature, volume, and pressure?
[ "Law of Conservation", "Newton's law", "Murphy's Law", "combined gas" ]
combined gas
sciq
8ec70db0-939f-4446-bf3a-c188f5dbdb6f
What 2 things keep polar bears warm in their arctic ecosystem?
[ "camouflage, blubber", "thick fur, blubber", "hibernation, thick fur", "colourful fur , blubber" ]
thick fur, blubber
sciq
ce9b63c0-5f00-4e29-bbb2-b6572ae80747
What two things are a phospholipid molecules composed of?
[ "hydrophillic head , and hydrophobic tails", "hemophillic head, and substrate tails", "hydrophillic head , and substrate tails", "hydrophillic head , and adhesion tails" ]
hydrophillic head , and hydrophobic tails
sciq
b0545263-d790-456b-a41c-ba3db8343440
When plants reproduce, the offspring has characteristics similar to the?
[ "cousins", "grandparents", "parents", "siblings" ]
parents
sciq
d737f513-9811-457a-b7ee-74221d9374c9
Algae are like plants mainly because they contain what?
[ "chloroplasts", "cell wall", "organelles", "cells" ]
chloroplasts
sciq
75ae4f75-93e9-4a01-ad40-109364372b4d
The radius of an atom is defined as one-half the distance between the nuclei in a molecule consisting of two identical atoms joined by what?
[ "ionic bond", "metallic bond", "hydrogen bond", "covalent bond" ]
covalent bond
sciq
2e0dd565-d6af-4e8f-98f0-855f17ba8f33
What is it called when a mistake occurs in dna replication.
[ "radiation", "adaptation", "degradation", "mutation" ]
mutation
sciq
88fdc6d2-d725-4d8a-9eed-19daa983d933
Birds are thought to have evolved around 150 million years ago from what?
[ "theropod dinosaurs", "raptor dinosaurs", "parrot dinosaurs", "teradactils" ]
theropod dinosaurs
sciq
c1687182-fb06-4d5c-b21a-bebae071b7f4
The mostly subterranean lifestyle of stone plants reduces water loss from evaporation and inhibits what?
[ "photosynthesis", "tissues", "chlorophyll", "reactions" ]
photosynthesis
sciq
d357b14b-071b-4138-a135-4ceed4a9e30e
What is the term for the process in which an area that has never before been colonized changes through time?
[ "continuous succession", "colony succession", "environmental succession", "ecological succession" ]
ecological succession
sciq
b4bf43bc-e1b8-4946-b731-58eb016867b8
All the major landmasses moved together to form one supercontinent in which period?
[ "Cenozoic", "cambrian", "permian", "Mesozoic" ]
permian
sciq
ca2d164a-86b7-4c58-9979-f9c0e101cedb
A problem with using food chains to describe ecosystems is that some organisms can feed on or be consumed by species from more than one of what level?
[ "habitat level", "biome level", "trophic level", "pH level" ]
trophic level
sciq
2141db6f-d63b-480d-a0e1-a88402f5380b
What is the practical application of scientific principles and discoveries to develop things that make our lives easier?
[ "engineering", "component", "Movement", "experiment" ]
engineering
sciq
5eff47f3-52ea-4e46-b8b6-97f5fdd82981
In plants, a cell plate is formed during cell cytokinesis by golgi vesicles fusing at the what?
[ "tectonic plate", "mitosis plate", "chromosomes plate", "metaphase plate" ]
metaphase plate
sciq
afee6399-c59f-4405-9205-6d70463b4417
What is the type of volcano with a tall cone shape that you picture when picturing a volcano?
[ "composite", "active", "advanced", "inactive" ]
composite
sciq
77376c79-1776-4fb1-9323-c21dee2297b9
The amount of what entering the eyes helps control the biological clock?
[ "heat", "energy", "air", "light" ]
light
sciq
7681a8b9-224e-4d27-acf4-f0b27cc906c6
Protists are classified as animal-like, plant-like, or what else?
[ "pathogen - like", "fungus-like", "virus - like", "bacteria - like" ]
fungus-like
sciq
f8f87829-509c-4eb8-adeb-279c0f77f244
Satellite and schwann cells are the two types of what kind of cell found in the pns?
[ "epidermal", "osteoclast", "glial", "dendritic" ]
glial
sciq
87526e0a-7e50-41b1-9edb-aaa1eb7e7ff4
What compound has positive and negative ions?
[ "protein", "ionic", "hydrocarbon", "covalent" ]
ionic
sciq
6e5cbdcb-012a-463f-a3b4-86be408a52d4
What can be calculated given the mass and speed of an object?
[ "kinetic energy", "harmonic energy", "residual energy", "systematic energy" ]
kinetic energy
sciq
59342545-8aa1-415a-b302-a55131266d5b
Earthquakes mark the motions of colliding plates and the locations where plates plunge into what?
[ "the mesosphere", "the core", "the mantle", "the crust" ]
the mantle
sciq
9c4a58a7-dca8-4b78-b237-1b30295cc746
The ambrosia beetle bores holes in?
[ "leaves", "tree bark", "flowers", "dirt" ]
tree bark
sciq
c140ab77-fbcb-4421-aa58-a403ccd06125
What effect, related to weather forecasting, occurs not only for sound but for any wave when there is relative motion between the observer and the source?
[ "pulse", "doppler", "echo", "precipitation" ]
doppler
sciq
f6cd3f52-c686-48b5-8b79-125467a140c7
What is the science of how traits are passed from parents to offspring?
[ "genetics", "alleles", "cross matching", "heredity" ]
heredity
sciq
07f61226-e07e-4d33-b078-2e64d38506e7
When an electron transitions from an excited state to a less excited state, or ground state, the difference in energy is emitted as a what?
[ "nucleus", "quark", "neutron", "photon" ]
photon
sciq
e41c6abb-8220-4d24-a57b-893495ea3293
Water from the land and oceans enters the atmosphere by which process?
[ "evaporation", "condensation", "absorption", "transpiration" ]
evaporation
sciq
f4092962-d0ac-4ef9-a6b9-fd170c0c836c
What country put seven salyut space stations into orbit between 1971 and 1982?
[ "China", "soviet union", "United States", "Japan" ]
soviet union
sciq
a57b597e-873e-4ed9-b514-b658cdddf970
The result of what, in places like the amazon rainforest, is that food will be harder to produce, clean water will be harder to find, and development of new medicines will become slower?
[ "biological loss", "biodiversity loss", "pollution loss", "environmnental loss" ]
biodiversity loss
sciq
f388a97f-86bb-4fee-a1cb-0b952c426583
What does rising and sinking air influence in a region?
[ "temperature", "tides", "precipitation", "erosion" ]
precipitation
sciq
dea03471-df82-4a5d-8831-e7bdbc08bbec
Refracting and reflecting telescopes are optical telescopes that use lenses to gather what?
[ "magnetic force", "electricity", "sound", "light" ]
light
sciq
f6959249-e2b4-4432-a428-0e275f1c4b73
Via what process do substance move from one cell to another?
[ "downregulation", "plasmodesmata", "autolysis", "reverse transferase" ]
plasmodesmata
sciq
77b3fff2-b17e-44e0-ae86-34c76f497156
What is a stellar remnant that is very dense?
[ "white dwarf", "the sun", "asteroids", "white star" ]
white dwarf
sciq
9400c805-c244-4326-bb86-1671975324c1
What methods allow scientists to add to scientific knowledge and gain a better understanding of the world?
[ "early investigations", "slow investigations", "through investigations", "close investigations" ]
through investigations
sciq
d800a9dd-d1cb-4bbe-be00-6bed880be201
What is the largest level of organization?
[ "genome", "organelle", "organism", "protein" ]
organism
sciq
40791734-235d-4207-8c59-accad962fdb9
Living species of chordates are classified into three major subphyla: vertebrata, urochordata, and what?
[ "cephalochordata", "xerophyte", "invertebrates", "spirogyra" ]
cephalochordata
sciq
6af1831c-89b4-4038-82eb-ff3c97b11504
What force explains why a tennis ball bounces differently on different surfaces, and shoes slip on some surfaces but stick on others?
[ "temperature", "friction", "vibration", "kinetics" ]
friction
sciq
1f504dae-82cf-4568-b1e8-cc58a99df37e
The term ion applies to entire molecules that are?
[ "magnetic", "electrically charged", "neutrally charged", "positively charged protons" ]
electrically charged
sciq
b124337e-c8fe-4481-9071-724804adafc4
Silicon and germanium react with nitrogen at high temperature to form what?
[ "isotopes", "carbonates", "oxides", "nitrides" ]
nitrides
sciq
976f9a57-c097-458c-bc3e-f1a0d5766279
What bond is the force of attraction that holds together oppositely charged ions?
[ "harmonic", "magnetic", "ionic", "iconic" ]
ionic
sciq
ef0ad303-83c8-477f-a762-4ee3d5667755
What is the pairing of an adult male to an adult female to produce young?
[ "evolution", "asexual reproduction", "mating", "binary fission" ]
mating
sciq
ad4032da-f1ba-4b0c-b038-d99b84e6906c
The cell expels waste and other particles through a process called what?
[ "endocytosis", "exocytosis", "metamorphisis", "biosynthesis" ]
exocytosis
sciq
1dabfd7f-6dee-4bd2-a876-722ecedd1d4b
What are diodes, transistors, and integrated circuits examples of?
[ "radio parts", "machine parts", "computer parts", "electronic components" ]
electronic components
sciq