id string | question string | choices list | answer_key string | source string |
|---|---|---|---|---|
db739162-a85f-472b-846b-0240db5c952e | What is the medical process of removing wastes and excess water from the blood by diffusion and ultrafiltration called? | [
"dialysis",
"digestion",
"tumors",
"arthritis"
] | dialysis | sciq |
e0d36b80-2a24-44f5-b46a-b70ee70eb1f4 | What is the "a" horizon commonly known as? | [
"crust",
"sediment",
"topsoil",
"core"
] | topsoil | sciq |
d67e0ced-ff71-4ac4-9e10-fc7aca28adc2 | What are the building blocks of life? | [
"cells",
"muscles",
"bricks",
"seeds"
] | cells | sciq |
c19adbbd-05ba-4994-8fe3-dcf4f8bceaf5 | The amount of energy needed to raise the temperature of one gram of liquid water by 1°c is also known as? | [
"specific heat",
"mass",
"Kelvin",
"calorie"
] | specific heat | sciq |
9c3f751d-a33b-4005-ad33-5f9138fe24c6 | What helps amplify the effects of extracellular signals? | [
"mutation cascades",
"spontaneous cascades",
"enzymatic cascades",
"electrical cascades"
] | enzymatic cascades | sciq |
2e51052e-02cc-4c45-b833-eed22e2f5708 | What units are typically used to measure heats of reaction? | [
"volts",
"kilobytes",
"kilojoules",
"degrees Celsius"
] | kilojoules | sciq |
0636768f-139f-4454-8787-c6b4cb18ced5 | What are solutions that maintain a relatively constant ph when an acid or a base is added? | [
"gases",
"buffer",
"water",
"liquids"
] | buffer | sciq |
5a454af2-a834-46b1-a11a-7bf5262856b0 | Along with dna, what is the other main type of nucleic acid? | [
"nucleotides",
"cytoplasm",
"rna",
"protein"
] | rna | sciq |
dc3581af-19a6-42ec-a2fd-a309c0233950 | Glutathione is a low-molecular-weight compound found in living cells that is produced naturally by what? | [
"liver",
"brain",
"amino acids",
"blood"
] | liver | sciq |
7f288fc4-44f4-40c3-adb8-062516d0c138 | What work together in pairs to bend or straighten a joint? | [
"muscles",
"nerve fibers",
"collagen bands",
"cartilage tissues"
] | muscles | sciq |
ad0cba4d-86f6-4880-98c5-75e58e146370 | What are the outer-shell electrons of an atom called? | [
"organism electrons",
"helium electrons",
"valence electrons",
"outer electrons"
] | valence electrons | sciq |
8443d791-cf1d-4c66-b33f-0acc0bcec193 | What kind of reproduction is vegetative reproduction? | [
"meiosis",
"sexual",
"mitosis",
"asexual"
] | asexual | sciq |
6400e484-15f9-447e-abc1-12988daeb8be | What type of tissue runs the length of a stem in vascular bundles? | [
"vascular tissue",
"cardiac tissue",
"thermal tissue",
"muscle tissue"
] | vascular tissue | sciq |
4fc872a6-a458-4f82-980a-07a42bd13db1 | Birds have a relatively large heart and a rapid what? | [
"digestive process",
"blink rate",
"lifespan",
"heart rate"
] | heart rate | sciq |
a436006a-9a8d-43f7-b52a-29221fbc184e | When a warm air mass becomes trapped between two cold air masses, what type of front occurs? | [
"storm front",
"occluded front",
"obscured front",
"stationary front"
] | occluded front | sciq |
c262b438-2f66-4fb7-901f-6c7756eddb6d | What is water falling from the sky called? | [
"distillation",
"precipitation",
"erosion",
"vaporization"
] | precipitation | sciq |
bfbb1124-9a8f-451e-8913-3a30735d93ea | What forms when atoms share or transfer valence electrons? | [
"replicas",
"bonds",
"levels",
"fusion"
] | bonds | sciq |
38833356-0ff4-42c5-8845-50fcddbf0ebd | Which part of the axon has a higher membrane potential? | [
"biofilm hillock",
"canals hillock",
"axon hillock",
"muscular hillock"
] | axon hillock | sciq |
038226dc-33eb-47d2-a8e3-b5f65f2eb657 | A diploid zygote is formed when one sperm does what? | [
"fertilizes the egg",
"repels the egg",
"cracks the egg",
"incapacitates the egg"
] | fertilizes the egg | sciq |
9cfb9269-db4a-4f53-9027-de79077fd110 | As ph increases what happens to a solution? | [
"becomes more basic",
"stays the same",
"becomes less basic",
"depends on the solution"
] | becomes more basic | sciq |
1a7ed3f0-2210-4996-932c-c6ad308fffd7 | What is the term for changes in speed or direction, changes that make a roller coaster ride so exciting? | [
"acceleration",
"oscillation",
"inclination",
"transmission"
] | acceleration | sciq |
b6c59b04-6453-4762-9231-fd51c65d5724 | What do aquatic mollusk species use for respiration? | [
"pores",
"lungs",
"phototropism",
"gills"
] | gills | sciq |
23ceb4c6-0ae2-4496-9dcb-74e49462dccb | Because the solute is moving down the concentration gradient, and no input of energy is required, facilitated diffusion is considered what type of transport? | [
"passive",
"adaptive",
"active",
"neutral"
] | passive | sciq |
b0d3081c-a969-4f81-89fc-50e9d0196c38 | What does fiber help keep at normal levels in the body? | [
"sugar and lipids",
"salt and cholesterol",
"bloodpressure",
"hydration"
] | sugar and lipids | sciq |
41b9c651-1321-4d25-8a3d-405ca2fe7e53 | What is it called when plant roots absorb liquid water and release water vapor into the atmosphere? | [
"perspiration",
"evaporation",
"sedimentation",
"transpiration"
] | transpiration | sciq |
66e94d30-9b73-4e47-aa70-6854220f4165 | Fossil fuels and nuclear power are what type of resource? | [
"reusable",
"recurring",
"nonrenewable",
"renewable"
] | nonrenewable | sciq |
0e06b7cf-99d7-4f5f-9cf1-452694b7a6d7 | The stoichiometric coefficients indicate the relative amounts of what? | [
"exigencies and products",
"trajectories and products",
"reactants and products",
"reactions and products"
] | reactants and products | sciq |
3b92a198-550b-4f48-b499-8c442515e543 | Blood enters the heart in what valve? | [
"tricuspid",
"aortic",
"mitral",
"atria"
] | atria | sciq |
94edd617-b0a8-4874-a4b1-564a0c158914 | What works through chemical reactions that change the rock? | [
"gradual weathering",
"chemical breakdown",
"rock weathering",
"chemical weathering"
] | chemical weathering | sciq |
b70cfa30-6167-4fe7-ab5e-35fb1d70b50d | What is necessary for new alleles to be created? | [
"new rna",
"new mutations",
"new frequencies",
"cross-pollination"
] | new mutations | sciq |
cfc17bdd-8794-4a36-b43d-399d38e4e350 | What does the placenta sustain during pregnancy? | [
"the fetus",
"the heart",
"the endocrine system",
"the mother"
] | the fetus | sciq |
86850fa9-a2eb-465d-b16d-be1ef11db341 | Other than nitrogen, which nutrient most often limits marine production? | [
"phosphorus",
"potassium",
"zinc",
"calcium"
] | phosphorus | sciq |
43d89c90-f896-409b-9c23-c8a5c6217be1 | What astronomical phenomenon is often comprised of remnants of the earliest material that formed in the solar system? | [
"meteorites",
"comets",
"asteroids",
"particles"
] | meteorites | sciq |
d54cdc41-04c3-477a-b05d-3804d254541a | Minerals are grouped based on what? | [
"density",
"carbon composition",
"mineral composition",
"chemical composition"
] | chemical composition | sciq |
556e3713-8303-4038-afb4-acad1f1fe0e1 | What is the term for the average number of individuals in a population for a given area? | [
"population structure",
"Area Density",
"population density",
"result density"
] | population density | sciq |
feb9d3f4-15e8-4871-95c0-ef6ee516e75b | What is the shape of the thyroid gland? | [
"snake - shaped",
"butterfly-shaped",
"triangle-shaped",
"square-shaped"
] | butterfly-shaped | sciq |
6529f4a3-c8e8-4eed-812f-ab29e36f2e6d | Instead of using their nose, reptiles can use what organ to smell scents? | [
"bladder",
"liver",
"eye",
"tongue"
] | tongue | sciq |
7e2618c3-996d-476a-b8f7-9e7293bdcf54 | How does the diaphragm look like when it is at rest? | [
"dome-shaped",
"flat",
"dam - shaped",
"inverted"
] | dome-shaped | sciq |
345cfd83-e08a-4483-8353-f6d042a7c896 | What is the smallest unit of matter that still maintains it's properties of being an element? | [
"a cell",
"a proton",
"an electron",
"an atom"
] | an atom | sciq |
6eb831cb-83cd-4048-af8d-6162a40dfec4 | Evolution occurs by what process whereby better-adapted members pass along their traits, according to darwin? | [
"natural change",
"spontaneous variation",
"organic selection",
"natural selection"
] | natural selection | sciq |
4f71e1bc-34c1-4c3e-8b13-a1c6f1aff197 | In flowering plants, male gametophytes are in grains of what? | [
"bacteria",
"viruses",
"pollen",
"nitrogen"
] | pollen | sciq |
9993bfd5-f64e-4687-8cce-bbd52fc0a7fa | How many different ways can molecules pass through a phospholipid membrane? | [
"three",
"five",
"six",
"four"
] | three | sciq |
2a2163e0-0202-44d7-9dc8-6ac6701fa907 | Snow and rain are forms of what weather? | [
"sediment",
"evaporation",
"precipitation",
"cold fronts"
] | precipitation | sciq |
e1ab4f94-3ca6-4588-9681-925f881d6124 | There is a positive correlation between the ability to conduct thermal energy and what other energy, as exemplified by metals? | [
"elastic",
"gravitational",
"electricity",
"nuclear"
] | electricity | sciq |
bf38716c-2cd5-4c6c-b541-49ac0d343072 | Most ocean waves are caused by what? | [
"gravity",
"wind",
"radiation",
"animals"
] | wind | sciq |
320add41-0537-4708-a798-00c0b728b87c | What kind of climates are found at or near the equator? | [
"tundra",
"dry grasslands",
"arctic climates",
"tropical climates"
] | tropical climates | sciq |
6d9c8b6d-4b8f-4751-8729-b3beb8655726 | The uranium series is a chain constituting one what, which encompass naturally occurring isotopes of the heaviest elements? | [
"nuclear decay family",
"gland decay family",
"radioactive decay family",
"fuel decay family"
] | radioactive decay family | sciq |
d17330d2-8ae9-4898-ba75-ec60a692e1bf | Producing light without a high temperature is called? | [
"fluorescence",
"plasma",
"effervescence",
"luminescence"
] | luminescence | sciq |
92a94471-e4ff-4402-abe3-49244d1fa321 | Mutualism is a symbiotic relationship that has what effect on both species involved? | [
"beneficial",
"destructive",
"disadvantageous",
"harmful"
] | beneficial | sciq |
f266f8dc-e6b6-4b92-9182-97c0f8590dc7 | What do you call chemical reactions that take place inside living things? | [
"biochemical reactions",
"physical reactions",
"autonomous reactions",
"contaminated reactions"
] | biochemical reactions | sciq |
84d8ab0f-a843-4ba3-9db7-487e4399abd4 | What types of blood cells are required for aerobic respiration? | [
"large blood cells",
"white blood cells",
"red blood cells",
"grey blood cells"
] | red blood cells | sciq |
e43d38d3-5d62-44fd-96c9-486bdef3e573 | The phase transition of a substance changing from a liquid state to a gaseous state is an example of what? | [
"entropoy",
"trichina",
"catostrophy",
"spirogyra"
] | entropoy | sciq |
03d3cbe3-ab8c-489c-aa5b-5c35fe83677f | What is the fracture called when rocks on both sides move? | [
"a shear",
"a crevice",
"a stress fracture",
"a fault"
] | a fault | sciq |
73386e65-b7ca-43e4-b7ed-9b57f5972318 | In heart muscle, what released by neurons activates a signal transduction pathway? | [
"glutamate",
"acetylcholine",
"glucose",
"dopamine"
] | acetylcholine | sciq |
5803cc29-fd76-4c6f-9be3-e7c818c9388d | What do some plants produce that protects dormant seeds and aids in their dispersal? | [
"roots",
"leaves",
"stems",
"fruit"
] | fruit | sciq |
8a4e9908-25b5-4280-8d3b-775c6cc2de15 | In a generator, work done to turn the coil is converted to what type of energy? | [
"power",
"electric",
"voltage",
"solar"
] | electric | sciq |
dccd387a-f0b0-4bef-8cde-19740b3d3b56 | What do you call a pattern of stars in the night sky? | [
"cluster",
"Solar Systems",
"planets",
"constellation"
] | constellation | sciq |
7737d3e2-d960-44e7-8da7-777818ff6f7c | An antigen is a macromolecule that reacts with components of what? | [
"circulatory system",
"pulmonary system",
"digestion system",
"immune system"
] | immune system | sciq |
a1d1338e-2b2f-4deb-a6d7-5125504c1354 | The measure of a substances entropy at 25 degrees celsius is known as it's? | [
"specific entropy",
"limited entropy",
"standard entropy",
"new entropy"
] | standard entropy | sciq |
576b5a86-1ab1-417d-ba6a-a79d9d051a66 | Gastric emptying is regulated by both the stomach and what other digestive structure? | [
"esophagus",
"appendix",
"small intestine",
"duodenum"
] | duodenum | sciq |
d23e39a7-7269-49df-8975-f08fca447a6f | What is the type of cell division where the number of chromosomes is reduced in half? | [
"cloning",
"interphase",
"mitosis",
"meiosis"
] | meiosis | sciq |
fb79f0e9-e1d3-402d-b894-3eedc1d71567 | What is the most common cause of lung cancer? | [
"restaurant smoke exposure",
"coal smoke exposure",
"tobacco smoke exposure",
"tree smoke exposure"
] | tobacco smoke exposure | sciq |
2bbc5801-3393-45d3-ae6f-7e0d369c390f | Some consumers such as the mushroom get their energy from what? | [
"solar energy",
"dead organic matter",
"inorganic matter",
"minerals"
] | dead organic matter | sciq |
ff106ca2-5ecd-4b2d-b399-8db8410227e8 | What does the second number in a blood pressure reading measure? | [
"epithelial pressure",
"optimal pressure",
"diastolic pressure",
"external pressure"
] | diastolic pressure | sciq |
694a08a0-6b73-4070-a18a-70ba0743be7c | The rock of the mantle is mostly what? | [
"metamorphic",
"crystalline",
"peridotite",
"silicon"
] | peridotite | sciq |
195d8da2-9786-4b41-a58b-96a93fb86552 | Ocean ridges formed by marine invertebrates living in warm shallow waters within the photic zone of the ocean are called what? | [
"coral reefs",
"lagoon",
"trenches",
"break water"
] | coral reefs | sciq |
a2b7c9b3-8a3e-44a3-877f-232a2d34ae16 | What compound is formed when there are sparking electrical equipment? | [
"water",
"ozone",
"carbon",
"smog"
] | ozone | sciq |
310f3ecd-325f-4be5-9589-c1d23688910e | What is the number of protons in the nucleus? | [
"metallic number",
"atomic mass",
"atomic number",
"element"
] | atomic number | sciq |
537ef5aa-8719-4b02-8500-1cecc54572b9 | What organism is at the top of the energy pyramid? | [
"herbivore",
"primate",
"carnivore",
"insects"
] | carnivore | sciq |
61111e41-796a-4b8d-9c0e-492610db8c99 | What structure of the heart receives oxygen-poor blood from the body, then pumps the blood into the right ventricle? | [
"right ventricle",
"left atrium",
"left ventricle",
"right atrium"
] | right atrium | sciq |
9fdf341f-00b5-4703-835f-997e639afcb6 | Which organelle is often compared to a post office, moving proteins and lipids to where they need to go? | [
"the nucleus",
"the cytoplasm",
"the golgi apparatus",
"the cell wall"
] | the golgi apparatus | sciq |
e181e7b4-3fcc-48f6-8b86-e2c0df1708fe | What takes both the shape and the volume of their container? | [
"gases",
"fluids",
"tissues",
"solids"
] | gases | sciq |
fd7380db-2ba5-491e-8d7e-41d936f96e26 | What is the lowest level of organization that can perform all activities required for life? | [
"tissues",
"the cell",
"organs",
"nucleii"
] | the cell | sciq |
1173a4b6-9677-42a9-863b-dd4c5f91cc7c | Where are most of the organs contained in insects? | [
"head",
"the abdomen",
"thorax",
"appendages"
] | the abdomen | sciq |
0ad5ac99-bb2d-4c8a-a458-ec187e081364 | The appendicular skeleton is made up of all bones of the upper and lower what? | [
"hemispheres",
"digestive tract",
"organs",
"limbs"
] | limbs | sciq |
70130366-59fe-4423-8862-98ed7a227e1c | What can be thought of as the capacity a device has for storing charge? | [
"velocity",
"potential",
"resonance",
"capacitance"
] | capacitance | sciq |
4e9196ac-34d0-42a6-b40a-5d294edd7520 | What do electromagnetic receptors detect? | [
"background radiation",
"dangerous radiation",
"electromagnetic radiation",
"subtle radiation"
] | electromagnetic radiation | sciq |
40891326-2196-42e5-bd20-cbd6672a64cb | Nutrients from food are absorbed by the blood for transport around the body as part of what system? | [
"growth",
"respiratory",
"digestive",
"circulatory"
] | digestive | sciq |
39dbac84-32ac-4a2d-830f-b0cc6bf899a6 | What occurs when plants release water vapor through stomata (leaf pores)? | [
"inhalation",
"evaporation",
"crystallization",
"transpiration"
] | transpiration | sciq |
15348e8c-7238-4a5c-bd1c-efaef197c544 | The stomach mucosa’s epithelial lining consists only of surface mucus cells, which secrete a protective coat of what? | [
"alkaline mucus",
"phosphate mucus",
"bile mucus",
"acidic mucus"
] | alkaline mucus | sciq |
8c568f32-a019-46d8-93c0-c2d2626891a4 | A substance too big to be pumped across the cell membrane may enter or leave the cell by what method? | [
"vesicle transport",
"passive transpiration",
"vesicle infusion",
"absorption"
] | vesicle transport | sciq |
0b654347-028d-41ce-87af-28bf24662c26 | What is the process in which unstable nuclei become stable by emitting particles and energy and changing to different elements called? | [
"nuclear decay",
"radioactive decrease",
"initial decay",
"radioactive decay"
] | radioactive decay | sciq |
ba8b60f1-5385-4dee-823a-fbdcb0dd5d03 | Most taste buds on the tongue are associated with nipple-shaped projections called what? | [
"antennae",
"cilia",
"mucosa",
"papillae"
] | papillae | sciq |
a18abfb4-ef55-4a91-a69e-5aa2ba07958f | What is the lowest energy state of the atom called? | [
"base state",
"ground state",
"work state",
"active state"
] | ground state | sciq |
2fe35fc1-407c-4cfd-bb0d-a09c1c9a9c38 | What kind of diseases involve the immune system accidentally attacking healthy body cells? | [
"metabolic",
"inflammation",
"autoimmune",
"contagious diseases"
] | autoimmune | sciq |
a530233a-2db9-4f8e-b7c6-fa5ab065888b | Bacteria may divide several what an hour? | [
"cells",
"hosts",
"times",
"days"
] | times | sciq |
8c99c24e-6875-46d1-97d7-fd7bff446066 | The partial pressure of each gas in a mixture is proportional to its what? | [
"chemical fraction",
"mole fraction",
"lactic fraction",
"mesh fraction"
] | mole fraction | sciq |
7a6649c3-19e0-4542-abe5-91ec27c672ad | The combination decomposition or rearrangement of elements and compounds to form new substances is known as? | [
"ionic changes",
"chemical changes",
"carbon changes",
"mineral changes"
] | chemical changes | sciq |
09c1d41d-6e36-4512-8b0e-f2da9a3efafe | When is melatonin secreted? | [
"at night",
"in the afternoon",
"in the morning",
"all day"
] | at night | sciq |
6e20492b-faba-4f45-95f6-932a0a3f5362 | In which phase do the chromosomes duplicate? | [
"interphase",
"mitosis",
"prophase",
"metaphase"
] | interphase | sciq |
1a90c0de-7d70-47ed-a8b9-656e75af3282 | Which muscle is a band-like muscle that extends from the anterior superior iliac spine to the medial side? | [
"sartorius",
"soleus",
"tibialis anterior",
"vastus medialis"
] | sartorius | sciq |
18fcc3be-c6d5-4a73-a50e-4a6766f95765 | Filter feeders, such as sponges, pump water into their body through what structures? | [
"valves",
"lungs",
"fibers",
"pores"
] | pores | sciq |
96d26299-52e8-4af8-a2a5-5f20aa7395d7 | What are ionic solutes? | [
"carbohydrates",
"salts",
"solvent",
"electrolytes"
] | electrolytes | sciq |
253acfec-ecd6-465a-8fd9-d154a7f63648 | As with other organic compounds that form hydrogen bonds, water solubility of amines is reflected in the length of what? | [
"nuclei chains",
"carbon chains",
"complex carbohydrates",
"hydrocarbon bonds"
] | carbon chains | sciq |
0cea0229-540c-472f-8c90-ce9005ea26e2 | What is the tubular passageway through which the embryo or fetus leaves the mother’s body during birth? | [
"uterus",
"cervix",
"vagina",
"penis"
] | vagina | sciq |
17d7f249-ef09-44f8-9c08-4b58b2ff5e5f | What has the average global temperature done since the 1900s? | [
"decreased",
"stayed constant",
"risen",
"changed randomly"
] | risen | sciq |
fab426be-7e20-4dd6-b6dc-df1f91d6dda4 | An solid object with an irregular shape can be measured via what method? | [
"vibration",
"displacement",
"radiation",
"variation"
] | displacement | sciq |
121679a1-85c4-43b5-bccf-7b9b826c641b | Deterioration of limestone occurs more rapidly as the concentration of what increases? | [
"water pollutants",
"ocean pollutants",
"ground pollutants",
"air pollutants"
] | air pollutants | sciq |
83be6fc2-cfb7-4aa3-aa19-31d3ac4f9546 | In which order does the reactivity of halogen group decline? | [
"left to right",
"bottom to top",
"right to left",
"top to bottom"
] | top to bottom | sciq |
50316aff-7241-4fc3-a73c-79e077668bc1 | Photosynthesis converts carbon dioxide and water into what? | [
"glutamate",
"glucose",
"carbon",
"insulin"
] | glucose | sciq |
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