id string | question string | choices list | answer_key string | source string |
|---|---|---|---|---|
9647ef09-30ab-4a59-971c-f10b3e1c63a8 | The electric and magnetic fields are closely related and propagate as what? | [
"electromagnetic wave",
"mechanical wave",
"sound wave",
"thermal energy"
] | electromagnetic wave | sciq |
7202ab50-7549-46cd-895a-52a61d468e15 | What do you get by multiplying volume by the density of water? | [
"temperature of water",
"mass of water",
"velocity of water",
"weight of water"
] | mass of water | sciq |
815fa1f7-15f1-4604-9142-44df4cdde497 | Plant-like protists are autotrophs capable of what process? | [
"photosynthesis",
"sexual reproduction",
"regeneration",
"microevolution"
] | photosynthesis | sciq |
d326b70d-f344-4c77-a440-5a202a38a365 | What type of energy is useful to humans because it's ease of transport and conversion to other forms of energy? | [
"electrical",
"potential",
"heat",
"physical"
] | electrical | sciq |
a9c816e7-66e1-41b0-add5-c8a28d2c4707 | When performing anaerobic exercise, your muscles work against what? | [
"gravity",
"momentum",
"inertia",
"resistance"
] | resistance | sciq |
4c76f244-bef7-42c5-b502-3c59ae07d858 | What type of doctor specializes in the laboratory detection of disease? | [
"pathologist",
"infectious disease physician",
"diagnostician",
"internist"
] | pathologist | sciq |
ad3551e5-c976-47fe-8803-5057212dbd12 | The smallest unit of structure and function in all living organisms is what? | [
"cell",
"mineral",
"compound",
"particle"
] | cell | sciq |
7dbdf86d-7876-40f6-821e-202a88364c05 | Bilaterally symmetrical animals have both dorsal and what type of sides? | [
"ventral",
"posterior",
"exterior",
"anterior"
] | ventral | sciq |
d2a57f6e-9fe7-49f4-9c86-7591ec8e89d4 | Which state of matter is not common on earth? | [
"liquid",
"plasma",
"gas",
"respiration"
] | plasma | sciq |
92c40a20-0f67-444f-8eea-f9bc16cb1f92 | Which system of the body is responsible for bringing air into the body? | [
"digestive system",
"respiratory system",
"excretory system",
"vascular system"
] | respiratory system | sciq |
a1f8fa42-0a8c-475a-a21b-630c8d34b8fe | The photoreceptive cells of the eye, where transduction of light to nervous impulses occurs, are located in this? | [
"retina",
"cornea",
"sclera",
"pupil"
] | retina | sciq |
54f8c89d-149c-4885-a4b1-b05bf0b5350b | E. coli need what kind of acids to survive? | [
"boric",
"hydrochloric",
"bacterial",
"amino"
] | amino | sciq |
acce1f84-3ecf-4532-9fff-f2d16b2989e9 | Elements are defined by their atomic number, a number that describes the amount of what in the element? | [
"electrons",
"bonds",
"protons",
"neutrons"
] | protons | sciq |
c0a1829c-1e4e-4486-90ca-9adff234822a | What laboratory instrument is used to analyze and test for static charge? | [
"bunsen burner",
"electroscope",
"microscope",
"microtome"
] | electroscope | sciq |
bbd5623a-db39-47a9-90c1-172f1f002845 | Through a succession of mitotic cell divisions, what gives rise to a large number of cells? | [
"zygote",
"condensation",
"cytoplasm",
"air"
] | zygote | sciq |
321c386d-b272-4731-b3a5-8de803bec394 | Contour tillage helps slow water run-off and what process that causes topsoil loss? | [
"ice shelf erosion",
"soil erosion",
"plate tectonics",
"water erosion"
] | soil erosion | sciq |
be0e903a-149f-4395-9f01-f3f8873ca854 | In a scientific experiment, the variable that is affected by the other one is called what? | [
"dependent variable",
"essential variable",
"effective variable",
"independent variable"
] | dependent variable | sciq |
96f038aa-a8ca-45c2-b2ef-c6e4d048a754 | Cells must also be able to separate their relatively stable interior from what? | [
"their habitat",
"competition and chaos",
"predators",
"the external environment"
] | the external environment | sciq |
9e3dbeca-77fa-4db0-a108-45edbaf3dc2e | For any given species, what term means the maximum population that can be supported by the environment? | [
"carrying capacity",
"tipping point",
"mass extinction",
"zero population growth"
] | carrying capacity | sciq |
3d165493-76c5-41f4-a5e9-4b4733d04337 | With an increased understanding of gene regulation and gene function, medicines can be designed to specifically target diseased cells without harming these? | [
"pathogens",
"hosts",
"healthy cells",
"stem cells"
] | healthy cells | sciq |
b60cf659-d2a6-486f-bfb9-0f3df201865f | The rate of a reaction can be expressed either in terms of the decrease in the amount of what or the increase in the amount of a product per unit time? | [
"isotope",
"plasma",
"sulfate",
"reactant"
] | reactant | sciq |
e4975488-d1bb-4289-92ff-f83af8ec7f4a | What do molecules need to do for a reaction to take place? | [
"melt",
"explode",
"collide",
"separate"
] | collide | sciq |
9f8af71b-0d96-4109-892c-714490767852 | What is the term for the change in temperature with distance? | [
"distance gradient",
"temperature volatility",
"heat gradient",
"temperature gradient"
] | temperature gradient | sciq |
2e17e47f-04b8-4cac-8745-a04ec798db97 | How many classes of biochemical compounds are there? | [
"three",
"five",
"one",
"four"
] | four | sciq |
94bb0e57-ffa0-4a04-9cb1-4b067d513473 | The fact that all animals have certain traits in common shows that they share what? | [
"a common brain",
"a common planet",
"a common ancestor",
"a common gene"
] | a common ancestor | sciq |
35ad70b0-adda-4659-98da-69eb06fcdafd | Organisms that live in freshwater environments often possess a contractile vacuole that prevents cells from taking in too much water through what process? | [
"glycolysis",
"osmosis",
"electrolysis",
"hemostasis"
] | osmosis | sciq |
0674e6a1-8354-4bbd-90bc-2bd8f875130c | What is the condition in which the thyroid gland is overactive is known as? | [
"hepatic",
"susceptibility",
"hypothyroidism",
"hyperthyroidism"
] | hyperthyroidism | sciq |
f874c6a3-ec9f-4531-8343-2a282ca8b0df | Where do amphibians lay their eggs? | [
"in water",
"on land",
"in caves",
"in airborne nests"
] | in water | sciq |
97607bc9-6afa-4210-8f68-6db27fe05878 | The food particles are caught by the collar of the choanocyte and brought into the cell by what process? | [
"phagocytosis",
"cellular respiration",
"hippocampus",
"phototropism"
] | phagocytosis | sciq |
7965916c-cd43-4f90-954c-994cf6ab0a43 | In seedless vascular plants such as ferns, the sporophyte releases spores from the undersides of what basic plant structures? | [
"roots",
"leaves",
"fruits",
"stems"
] | leaves | sciq |
e8acd777-02cb-4ac9-96c7-a01b2b95650c | There are two basic body plans in cnidarians which are called the polyp and what else? | [
"spore",
"hydra",
"medusa",
"stoma"
] | medusa | sciq |
49e96ab9-b143-4223-be76-dc088ddd700e | In science, what is a bit of information that is true? | [
"lie",
"theory",
"a fact",
"falsehood"
] | a fact | sciq |
ef951c72-245a-477f-ae49-87eec31d8bbb | What kind of potentially harmful compounds can barbecuing food create? | [
"carcinogens",
"mutagens",
"enzymes",
"triglycerides"
] | carcinogens | sciq |
bde985c4-4fd8-4711-8b0a-5ad4f72bbc56 | Change in what equals the average net external force multiplied by the time this force acts? | [
"lag",
"momentum",
"rate",
"height"
] | momentum | sciq |
50c99878-5ba5-4da7-a38d-3c795a4453c8 | What type of mammals are characterized by detailed development of the hands and feet, a shortened snout, and a large brain? | [
"apes",
"primates",
"mammles",
"amphibians"
] | primates | sciq |
7951685e-a631-4aa6-8c2e-068ddf069fce | What process allows an individual to develop from a single cell into an organism with trillions of cells? | [
"cell transition",
"Cell multiplication",
"cell function",
"cell division"
] | cell division | sciq |
41eef0cf-8fa0-4e80-895a-f8a2b75877bb | What do you call the membrane-bounded droplets that have some properties of cells? | [
"protocells",
"rods",
"membranes.",
"sporozoans"
] | protocells | sciq |
9014ad53-7f3d-4ccc-b28d-6c8d34198549 | Bees are naturalized on every continent except which? | [
"antarctica",
"Africa",
"North America",
"Australia"
] | antarctica | sciq |
8e0e3635-9da8-4ad5-a8be-ff9bd35d4a2d | In arthropods, coxal glands and malphigian tubules perform what role? | [
"photosynthesis",
"ingestion",
"excretion",
"reproduction"
] | excretion | sciq |
e31daaa1-8aac-415f-9608-c46728aa895a | What is the ultimate source of energy for all life on earth? | [
"the moon",
"Mars",
"the sun",
"its core"
] | the sun | sciq |
eca14ec0-f2b8-42b3-abae-2cb714c80a48 | What do you call compounds whose properties are different because their atoms are bonded together in different arrangements? | [
"isomers",
"ionic compounds",
"isotopes",
"mixtures"
] | isomers | sciq |
90255857-6e1b-43c4-bda7-f3999f9d2713 | What celestial object has been visited by manned spacecraft and is easily seen from earth? | [
"Jupiter",
"moon",
"venus",
"the Sun"
] | moon | sciq |
1bcd687c-d55a-4d5f-801d-a8ebfc6b964b | What do you call a condition caused by mutations in one or more genes? | [
"genetic disorder",
"evolutionary disorder",
"intrinsic disorder",
"mutation disorder"
] | genetic disorder | sciq |
11c486a3-a59c-410e-a5ef-9c4afe21671a | What is the common term for erythrocytesare, specialized cells that circulate delivering oxygen to cells and are formed from stem cells in the bone marrow? | [
"monocytes",
"white blood cells",
"red blood cells",
"plateletes"
] | red blood cells | sciq |
24c05b2b-dfb5-4b38-a8fb-fad1f0a6b4f4 | When do glaciers deposit their sediment? | [
"when they melt",
"when they form",
"when they move",
"when they are new"
] | when they melt | sciq |
68b362bf-710e-449b-b08c-43b946d5532f | One of the earliest air pumps was made by? | [
"Niels Bohr",
"Isaac Newton",
"robert boyle",
"Galileo"
] | robert boyle | sciq |
949c9916-7ac1-4182-b357-9a8b853447ef | Terrestrial biomes are determined mainly by what? | [
"population",
"climate",
"element",
"landscape"
] | climate | sciq |
715b5605-1630-4d30-a2b9-1ba104711303 | What are scientists able to determine about stars using emission and absorption spectra? | [
"distance",
"size",
"shape",
"composition"
] | composition | sciq |
ec2a5333-ca03-496c-8063-0b9c89851281 | Scientists search for answers to questions and solutions to problems by using a procedure called this? | [
"scientific method",
"continued method",
"careful method",
"measured method"
] | scientific method | sciq |
785ced35-ad0e-483c-97c2-bc5cc2d2ea13 | What transmits nerve impulses to other cells? | [
"muscles",
"neurons",
"ions",
"fats"
] | neurons | sciq |
6bf51747-d1f8-4d90-980f-dd231cb7bc3c | The active transport of ions across the membrane causes an electrical gradient to build up across the what? | [
"components membrane",
"colloidal membrane",
"cells membrane",
"plasma membrane"
] | plasma membrane | sciq |
b71aeaf8-6097-4a72-8702-4d1a855b52b8 | What process determines which of two fossils is older or younger than the other? | [
"difference dating",
"curve dating",
"relative dating",
"differential dating"
] | relative dating | sciq |
35bed881-0aae-44fc-8b32-9e9adbc2a290 | Under which process do living things with beneficial traits produce more offspring? | [
"evolution",
"migration",
"differentiation",
"natural selection"
] | natural selection | sciq |
fdf31b9e-0647-478e-afaf-4e232bbfc8fb | Biceps brachii, brachialis, and brachioradialis work to flex what part of the body? | [
"forearm",
"leg",
"foot",
"lungs"
] | forearm | sciq |
21aa493a-4def-4b3d-8cd6-44d34af5ee09 | Cancer involves what changes that modify cell-cycle control and alter the growth rate or progression of the cell through the cell cycle? | [
"deletions",
"enhancements",
"stabilization",
"mutations"
] | mutations | sciq |
2e077287-e12e-4b77-a264-d84efcec2150 | Glucose, fructose, and galactose are hexose sugars, which contain six atoms of what element? | [
"hydrogen",
"carbon",
"oxygen",
"nitrogen"
] | carbon | sciq |
f9184265-73ea-485b-8072-08d478298f9a | When an action and reaction occur, what is transferred from one object to the other, yet in combination it remains the same? | [
"matter",
"momentum",
"energy",
"force"
] | momentum | sciq |
ac5920ed-58ea-47d7-a381-5b35fd44a264 | Which two planetary bodies have humans walked on? | [
"Mars and Jupiter",
"The Sun and Mars",
"earth and the moon",
"Earth and Saturn"
] | earth and the moon | sciq |
08ebf356-9912-4d4c-af7e-4e8c6291baf1 | The pion can only be created by violating the conservation of what? | [
"momentum",
"quantum physics",
"time-space",
"mass-energy"
] | mass-energy | sciq |
13415f0d-59c6-41cb-9810-1232d2d03fa1 | What are named for their “spiny skin”? | [
"arachnids",
"reptiles",
"echinoderms",
"amphibians"
] | echinoderms | sciq |
2429bf7f-3224-404a-9354-ea48948fd9d8 | What is formed when sperm mixes with secretions from the various other glands of the reproductive system? | [
"semen",
"hormone",
"testosterone",
"urine"
] | semen | sciq |
939801be-91b2-4446-bcc3-8de130bde91c | Some plants have stolons, or stems, that run along the ground and are commonly called what? | [
"stages",
"roots",
"runners",
"shoots"
] | runners | sciq |
4eb9bae3-dbeb-4548-9584-63853b9e0d0a | Clearing land for agriculture and development is a major cause of what negative result? | [
"mineral destruction",
"habitat destruction",
"human destruction",
"water destruction"
] | habitat destruction | sciq |
4a37bc37-9bd2-4e13-998f-b4fea5581528 | What in the skin dilates, or widens, in order to increase blood flow to the bodys surface? | [
"blood vessels",
"veins",
"pores",
"tear ducts"
] | blood vessels | sciq |
e902c9e2-4038-4a34-a98c-18c777360e42 | What burns to produce the white light in fireworks displays? | [
"nitrogen in air",
"magnesium in air",
"helium in air",
"oxygen in air"
] | magnesium in air | sciq |
e53c8364-eec7-411a-8d32-3c5c24bbfe98 | Solids can be divided into amorphous solids and which other group? | [
"distinct solids",
"morphous solids",
"acrystalline solids",
"crystalline solids"
] | crystalline solids | sciq |
d5250ab3-12a5-489a-adbb-6194913f9115 | Some earthworms can also reproduce asexually by fragmentation followed by what? | [
"fertilization",
"digestion",
"regeneration",
"germination"
] | regeneration | sciq |
8214b6d2-c41a-40ab-b385-a4fb8cb51658 | Most crustaceans have separate sexes, so they reproduce sexually using what? | [
"asexual reproduction",
"eggs and sperm",
"pod and eggs",
"eggs and pod"
] | eggs and sperm | sciq |
18998eff-3585-4494-8c54-d06999969304 | Visible light is one type of this radiation? | [
"Gamma",
"neutron",
"electromagnetic",
"Ionizing"
] | electromagnetic | sciq |
8cf27be7-b0b3-40a5-a184-0101fea59213 | Double-replacement reactions generally occur between substances in what kind of solution? | [
"reactive",
"saline",
"solid",
"aqueous"
] | aqueous | sciq |
b107b903-cb8a-4300-b0d0-3f282ccf77a5 | What happens to the recessive traits in the offspring of a hybridization? | [
"they dominate",
"they disappear",
"remain recessive",
"they replicate"
] | they disappear | sciq |
c18ab907-7e99-43b6-b448-0e366096c023 | What is a small, spherical compartment separated by at least one lipid layer from the cytosol? | [
"vesicle",
"cortex",
"capillary",
"cuticle"
] | vesicle | sciq |
2a05dbf0-7828-4a10-b50c-3bb6156c37d4 | What term is used to describe is the increased or decreased speed of movement of an organism in response to a stimulus? | [
"brownian motion",
"orthokinesis",
"telekinesis",
"klinokinesis"
] | orthokinesis | sciq |
c18d4e99-6ed6-4b52-bfbe-2e4202a4b4da | How can natural resources be classified from a human point of view? | [
"recyclable or reusable",
"present or nonrenewable",
"renewable or nonrenewable",
"renewable or reversible"
] | renewable or nonrenewable | sciq |
525106a0-76a3-4764-be5b-92e8b8b79f01 | What are the two types of endoplasmic reticulum? | [
"rough & thin",
"thick & smooth",
"rough & thick",
"rough & smooth"
] | rough & smooth | sciq |
1450c2ee-9023-43c8-9020-5ac8130c8add | We know from what type of waves produced by earthquakes that parts of the interior of the earth are liquid? | [
"seismic",
"kinetic",
"volcanic",
"electromagnetic"
] | seismic | sciq |
d8fd2c85-6861-4708-9ed4-91237d2ed4f2 | Radiocarbon is useful for dating relatively young materials with what element as their base? | [
"hydrogen",
"carbon",
"oxygen",
"nitrogen"
] | carbon | sciq |
2c89132b-27bc-434f-afad-06136dbd5e1a | Why are eutherian mammals sometimes called placental mammals? | [
"identical placental connection",
"minor placental connection",
"complex placental connection",
"reacts placental connection"
] | complex placental connection | sciq |
05de6c86-7d31-47f8-a6e3-ac96b8d6d8cb | What is the name for the division of the cytoplasm in eukaryotic cells, resulting in two genetically identical daughter cells? | [
"vegetative division",
"mitosis",
"cytokinesis",
"metamorphosis"
] | cytokinesis | sciq |
d708ebff-91e5-48c3-a8a8-5ddd0cf72540 | How can you prevent food allergy symptoms? | [
"avoid offending foods",
"antioxidants",
"stem cell therapy",
"antiviral drugs"
] | avoid offending foods | sciq |
1ffaec1c-9787-4cff-a093-817c975b30c0 | Ground tissue forms the interior of the stem. the large central vacuoles of ground tissue cells fill with water to support the plant. the cells may also store what? | [
"Water",
"fuel",
"energy",
"food"
] | food | sciq |
af82a22e-db50-43d3-a4d0-473cbad2ca7c | Insect wings are part of the exoskeleton and attached to the what? | [
"neck",
"head",
"thorax",
"spines"
] | thorax | sciq |
e3f7b318-46ed-4ce1-a7d9-4df79838bdf2 | What was the informal female name given to the adult fossil found in ethiopia and thought to be over 3 million years old? | [
"aunt",
"linda",
"lucy",
"alice"
] | lucy | sciq |
9682ea6c-7cd0-4d6a-b807-5ea962fee8f3 | What is the term for a formula that shows the elements in a compound in their lowest whole-number ratio? | [
"Dwarf Formula",
"empirical formula",
"measured formula",
"intrinsic formula"
] | empirical formula | sciq |
f29cdbec-b797-4cff-bbab-283851d286a7 | What is defined as the spreading of white light into its full spectrum of wavelengths? | [
"immersion",
"combustion",
"saturation",
"dispersion"
] | dispersion | sciq |
519acb01-2d1e-46ba-ae9e-e77bf65037fd | What is used in the growth, development, functioning and reproduction of all known living organisms and many viruses? | [
"bacteria",
"dna",
"viruses",
"enzymes"
] | dna | sciq |
6925b72a-fc4a-41ac-96eb-dcb6979a5cd7 | When methane burns, what is produced along with carbon dioxide? | [
"water",
"hydrogen",
"oxygen",
"nitrogen"
] | water | sciq |
61d18870-7662-464d-a40c-d37d489a6990 | What helps pumice float in water? | [
"gravity",
"gas bubble holes",
"large mass",
"high density"
] | gas bubble holes | sciq |
d8983636-08fc-4624-bdda-fd1582121de8 | What land mammal has the longest gestation period? | [
"Rhino",
"Giraffe",
"Asian elephant",
"african elephant"
] | african elephant | sciq |
04fc5f3d-695f-4f6f-9a78-24f0e224df5b | What sustains the fetus while it grows inside the mother’s uterus? | [
"bacteria",
"placenta",
"mitochondria",
"endometrium"
] | placenta | sciq |
5f05ebf4-f22e-4f48-8b07-87afe0dbe8a7 | Two kinds of sex hormones are of particular importance in females: progesterone, which prepares the uterus for pregnancy and prevents the further release of eggs from the ovaries during pregnancy, and the estrogens, which are mainly responsible for the development of female secondary sexual characteristics, such as bre... | [
"muscle",
"fat",
"bone",
"blood"
] | fat | sciq |
3cea9fd2-44b9-40b1-aec9-4207f2d630d1 | Zoonotic pathogens are transferred from what to what? | [
"animals to animals",
"humans to humans",
"humans to animals",
"animals to humans"
] | animals to humans | sciq |
ceacafb8-3fbf-4a44-9ec9-94b11b7a15f9 | Restriction enzymes or restriction endonucleases are prokaryotic enzymes that recognize and cut what at specific sequences? | [
"bacteria",
"rna",
"dna",
"mitochondria"
] | dna | sciq |
9d505659-9ede-4e5b-af47-7e67cb7c9702 | What are chemical reactions represented by? | [
"carbon equations",
"liquid equations",
"nuclear equations",
"chemical equations"
] | chemical equations | sciq |
1b401029-d1a6-4b6d-9e34-03114595ecfd | The length of the sloped surface of a ramp is referred to as what? | [
"accumulation distance",
"output distance",
"input distance",
"furlong"
] | input distance | sciq |
5fab2add-112e-4d0c-93c8-1a61d69167b6 | Producers, primary consumers, higher-level consumers, and decomposers are levels in what? | [
"food chain",
"energy chain",
"food model",
"food flowchart"
] | food chain | sciq |
7c92b3d9-806e-4c5b-8431-1944dec6e150 | Parthenogenis in komodo dragons is an example of what kind of reproduction, whereby offspring are created from just one parent? | [
"natural reproduction",
"asexual reproduction",
"organic reproduction",
"benthic reproduction"
] | asexual reproduction | sciq |
8edd3fed-1159-44b3-bcce-346749543fc4 | The value that occurs most often in a data set is called the? | [
"type",
"median",
"mode",
"mean"
] | mode | sciq |
2faa3164-49c2-47dd-b00b-a487edf2b9f9 | Over time, deposited sediments may harden into what? | [
"fossils",
"rocks",
"coral",
"deltas"
] | rocks | sciq |
ea811a55-ed32-4e4f-92fb-ca5db8d47e55 | What is the most useful quantity for counting particles? | [
"the coefficient",
"the mole",
"the vector",
"the periodic table"
] | the mole | sciq |
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