question stringlengths 14 399 | choices sequencelengths 4 4 | answer stringclasses 4
values |
|---|---|---|
What type of organism is commonly used in preparation of foods such as cheese and yogurt? | [
"gymnosperms",
"viruses",
"protozoa",
"mesophilic organisms"
] | D |
What phenomenon makes global winds blow northeast to southwest or the reverse in the northern hemisphere and northwest to southeast or the reverse in the southern hemisphere? | [
"centrifugal effect",
"coriolis effect",
"tropical effect",
"muon effect"
] | B |
Changes from a less-ordered state to a more-ordered state (such as a liquid to a solid) are always what? | [
"reactive",
"endothermic",
"exothermic",
"unbalanced"
] | C |
What is the least dangerous radioactive decay? | [
"zeta decay",
"alpha decay",
"beta decay",
"gamma decay"
] | B |
Kilauea in hawaii is the world’s most continuously active volcano. very active volcanoes characteristically eject red-hot rocks and lava rather than this? | [
"smoke and ash",
"magma",
"carbon and smog",
"greenhouse gases"
] | A |
When a meteoroid reaches earth, what is the remaining object called? | [
"meteorite",
"comet",
"meteor",
"orbit"
] | A |
What kind of a reaction occurs when a substance reacts quickly with oxygen? | [
"Fluid Reaction",
"nitrogen reaction",
"combustion reaction",
"invention reaction"
] | C |
Organisms categorized by what species descriptor demonstrate a version of allopatric speciation and have limited regions of overlap with one another, but where they overlap they interbreed successfully?. | [
"surface species",
"species complex",
"ring species",
"fitting species"
] | C |
Alpha emission is a type of what? | [
"heat",
"light",
"radiation",
"radioactivity"
] | D |
What is the stored food in a seed called? | [
"endosperm",
"membrane",
"larval",
"pollin"
] | A |
Zinc is more easily oxidized than iron because zinc has a lower reduction potential. since zinc has a lower reduction potential, it is a more what? | [
"Trap metal",
"active metal",
"much metal",
"usually metal"
] | B |
What is controlled by both genes and experiences in a given envionment? | [
"animal behaviors",
"reflexes",
"instincts",
"learned behaviors"
] | A |
What tells you how much of the food you should eat to get the nutrients listed on the label? | [
"serving size",
"longer size",
"scoop size",
"regular size"
] | A |
What are used to write nuclear equations for radioactive decay? | [
"trigonometric symbols",
"critical symbols",
"radioactive symbols",
"nuclear symbols"
] | D |
What is controlled by regulatory proteins that bind to regulatory elements on dna? | [
"amino acids",
"substance transcription",
"mRNA",
"gene transcription"
] | D |
Boron only occurs naturally in compounds with what element? | [
"carbon",
"nitrogen",
"oxygen",
"helium"
] | C |
What organ systems link exchange surfaces with cells throughout the body? | [
"circulatory",
"nervous",
"vascular",
"pulmonary"
] | A |
What occurs when the immune system attacks a harmless substance that enters the body from the outside? | [
"allergy",
"nausea",
"plague",
"panic attack"
] | A |
Fertilization is the union of a sperm and egg, resulting in the formation of what? | [
"a zygote",
"a cytoplasm",
"a bacteriophage",
"a nuclei"
] | A |
The plants alternation between haploid and diploud generations allow it to do what? | [
"reproduce asexually and simultaneously",
"reproduce asexually and sexually",
"reproduce sexually and autonomously",
"reproduce asexually and biologically"
] | B |
Most of the chemical reactions in the body are facilitated by what? | [
"vitamins",
"carbohydrates",
"proteins",
"enzymes"
] | D |
What is the termination of a pregnancy in progress called? | [
"abortion",
"delivery",
"contraception",
"miscarriage"
] | A |
Cutting down on the use of chemical fertilizers and preserving wetlands are ways to prevent what "unlivable" regions in bodies of water? | [
"hostile zones",
"inhabitable zones",
"fresh zones",
"dead zones"
] | D |
Which muscles allow your fingers to also make precise movements for actions? | [
"intrinsic muscles",
"fine movement muscles",
"paired muscles",
"motoric muscles"
] | A |
Testing what usually requires making observations or performing experiments? | [
"hypothesis",
"homeostasis",
"conclusion",
"variables"
] | A |
This sharing of electrons produces what is known as a covalent bond. covalent bonds are ~20 to 50 times stronger than what? | [
"Newton's third law",
"Mendelian systems",
"van der waals interactions",
"gravitational pull"
] | C |
Water molecules move about continuously due to what type of energy? | [
"optical",
"potential",
"kinetic",
"seismic"
] | C |
A small scale version of what type of map displays individual rock units? | [
"seismic map",
"geologic map",
"polar map",
"geographic map"
] | B |
What is defined as a change in the inherited traits of organisms over time? | [
"evolution",
"divergence",
"generation",
"variation"
] | A |
What hormone, which is associated with luteinizing hormone and male sexuality, helps bring about physical changes in puberty? | [
"testosterone",
"epinephrine",
"steroids",
"estrogen"
] | A |
Where do angiosperms produce seeds in flowers? | [
"ovaries",
"testes",
"germs",
"cones"
] | A |
In order to create food, what do photosynthetic protists use? | [
"decayed matter",
"thermal energy",
"light energy",
"hydrocarbons"
] | C |
What type of vertebrates are birds? | [
"epidermal tetrapod",
"invertebrates",
"exothermic",
"endothermic tetrapod"
] | D |
What type of ions do ionic compounds contain? | [
"positive and negative",
"negative and neutal",
"regular and irregular",
"positive and charged"
] | A |
All living things need air and this to survive? | [
"ecosystem",
"water",
"stimuli",
"habitat"
] | B |
The cells of all eukarya have a what? | [
"epidermis",
"chloroplast",
"nucleus",
"necrosis"
] | C |
What type of plate boundaries produce huge mountain ranges in the ocean basin? | [
"divergent",
"coherent",
"parallel",
"tractional"
] | A |
Interstitial carbides are produced by the reaction of most transition metals at high temperatures with what element? | [
"hydrogen",
"oxygen",
"carbon",
"nitrogen"
] | C |
Fungus-like protist saprobes play what role in a food chain and are specialized to absorb nutrients from nonliving organic matter, such as dead organisms or their wastes? | [
"decomposers",
"fluxes",
"Soil",
"aphids"
] | A |
What are the sites of protein synthesis or assembly? | [
"chloroplasts",
"ribosomes",
"chromosomes",
"plasma"
] | B |
What must replicate in the cell cycle before meiosis i takes place? | [
"dna",
"cell walls",
"meiotic fluid",
"sperm"
] | A |
What phenomenon is primarily the result of plate tectonic motions? | [
"earthquake",
"tsunamis",
"eruption",
"volcanoes"
] | A |
What is a group of neuron cell bodies in the periphery called? | [
"crystals",
"gangism",
"organism",
"ganglion"
] | D |
Where does most of our food come from? | [
"microbes",
"lichen",
"gymnosperms",
"angiosperms"
] | D |
Gases are most ideal at high temperature and what pressure? | [
"high",
"stable",
"absolute",
"low"
] | D |
Hard igneous rocks and easily dissolved sedimentary rocks respond very differently to what natural force? | [
"sunlight",
"weathering",
"evaporation",
"gravity"
] | B |
A diet rich in calcium and what vitamin may reduce the risk of osteoporosis and related bone fractures? | [
"niacin",
"vitamin d",
"vitamin A",
"vitamin C"
] | B |
How many people die from air pollution each year? | [
"14 million",
"5 million",
"22 million",
"17 million"
] | C |
What substances serve as catalysts in most of the biochemical reactions that take place in organisms? | [
"iseotrops",
"enzymes",
"hormones",
"carbohydrates"
] | B |
The formation of an amalgam allows the metal to react with what? | [
"air and water",
"blood and sweat",
"cloth and plastic",
"helium and oxygen"
] | A |
A pulley changes the direction of the force t exerted by the cord without changing its what? | [
"position",
"magnitude",
"longitude",
"latitude"
] | B |
What is the name of the small bumps that contain taste buds and covers the tongue? | [
"cuticle",
"lingual tonsils",
"palatine tonsils",
"papillae"
] | D |
In the absence of air resistance, all falling objects accelerate at the same rate due to what force? | [
"weight",
"gravity",
"velocity",
"motion"
] | B |
The ability for a plasma membrane to only allow certain molecules in or out of the cell is referred to as what? | [
"total permeability",
"periodic permeability",
"selective permeability",
"moderate permeability"
] | C |
In the presence of oxygen, hydrogen can interact to make what? | [
"carbon",
"water",
"acid",
"helium"
] | B |
What galaxy is our solar system a part of? | [
"Bode's Galaxy",
"Centaurus",
"milky way",
"Andromeda"
] | C |
The angle at which light bends when it enters a different medium is known as what? | [
"frequency",
"refraction",
"resonance",
"bounce"
] | B |
Whether the organism is a bacterium, plant, or animal, all living things access energy by breaking down these? | [
"oxygen molecules",
"protein molecules",
"lipid molecules",
"carbohydrate molecules"
] | D |
Increasing the temperature of n2 molecules increases what energy of motion? | [
"compression energy",
"emotional energy",
"residual energy",
"kinetic energy"
] | D |
Which radio frequency should you listen to if you want less noise? | [
"cb",
"fm",
"wave",
"am"
] | B |
What form of radiation is the energy emitted by the sun? | [
"thermal",
"seismic",
"magnetic",
"electromagnetic"
] | D |
What is the suns innermost layer called? | [
"flare",
"core",
"solar",
"surface"
] | B |
A growth spurt requires constant divisions of what? | [
"seeds",
"cells",
"proteins",
"hairs"
] | B |
What's the term for the gradual progression from simple plants to larger more complex ones in an area? | [
"pattern progression",
"complex progression",
"primary succession",
"primary pattern"
] | C |
Fungi may form mutualistic relationships with plants, algae, cyanobacteria, and what? | [
"plants",
"eggs",
"farmers",
"animals"
] | D |
Which cycle tracks the flow of nitrogen through an ecosystem? | [
"nitrogen reaction",
"nitrogen cycle",
"water cycle",
"life cycle"
] | B |
What consequence of a tornado is responsible for most injuries and deaths? | [
"falling debris",
"catching debris",
"flying debris",
"touring debris"
] | C |
What are the only truly innate behaviors in humans called? | [
"feats",
"flinches",
"automatic movements",
"reflexes"
] | D |
What happens to the density of air as the altitude decreases? | [
"decreases",
"remains the same",
"multiplies",
"increases"
] | A |
How do some animals change their depth? | [
"by changing their density",
"metamorphosis",
"spontaneous mutations",
"mass migration"
] | A |
What phenomenon is crowding out other species and making all the other causes of extinction worse? | [
"climate change",
"human overpopulation",
"human suburbanization",
"migration"
] | B |
Dessication is an extreme and usually fatal form of what in animals? | [
"dehydration",
"depletion",
"diarrhea",
"starvation"
] | A |
Internal and external forms of what life process occur as simple diffusion due to a partial pressure gradient? | [
"respiration",
"metabolism",
"reproduction",
"photosynthesis"
] | A |
The fossil record shows that this type of event is followed by the evolution of new species to fill the habitats where old species lived? | [
"mass extinction",
"moderate extinction",
"minor extinction",
"formation extinction"
] | A |
Soluble minerals and clays accumulate in what soil layer, allowing it to hold more water? | [
"subsoil",
"subsurface",
"silt",
"topsoil"
] | A |
What is the common word for potential difference in a circuit? | [
"watt",
"velocity",
"voltage",
"frequency"
] | C |
How many chambers does the stomach of a crocodile have? | [
"three",
"six",
"two",
"ten"
] | C |
When populations get close to the carrying capacity, what happens to growth? | [
"slows",
"halts",
"dies",
"spikes"
] | A |
Although air can transfer heat rapidly by convection, it is a poor conductor and thus a good what? | [
"insulator",
"absorber",
"transporter",
"magnet"
] | A |
Most plants grow continuously, except for what periods? | [
"mutant",
"dormant",
"abnormal",
"winter"
] | B |
What man-made devices in space are used to observe the earth's surface? | [
"sensors",
"satellites",
"telescopes",
"crystals"
] | B |
Carboxylic acids are weak acids, meaning they are not 100% ionized in what? | [
"liquid",
"air",
"ethanol",
"water"
] | D |
An endocrine disease usually involves the secretion of too much or not enough of what? | [
"hormone",
"enzyme",
"sweat",
"metabolite"
] | A |
In experiments with garden peas, austrian monk gregor mendel described the basic patterns of what? | [
"inheritance",
"preference",
"behavior",
"color"
] | A |
Nutrition and diet affect your metabolism. more energy is required to break down fats and proteins than this? | [
"minerals",
"carbohydrates",
"vitamins",
"electrolytes"
] | B |
What are unsaturated hydrocarbons with at least one double bond between carbon atoms called? | [
"enzymes",
"amines",
"alkenes",
"peptides"
] | C |
What is the opposite of melting? | [
"evaporation",
"freezing",
"compression",
"liquidation"
] | B |
A unique characteristic of mammals is the ability to chew, this happens by the temporalis and the masseter allowing what? | [
"side-to-side movement",
"Up and down",
"Bakward and forward",
"Grinding"
] | A |
Most of the pathogens that cause stis enter the body through mucous membranes of which organs? | [
"reproductive organs",
"stomach",
"kidneys",
"eyes"
] | A |
The activation of what kind of buds induces branching? | [
"axillary buds",
"leafy buds",
"arterial buds",
"lymphatic buds"
] | A |
Sexual reproduction involves haploid gametes and produces a diploid zygote through what process? | [
"vivisection",
"sedimentation",
"infection",
"fertilization"
] | D |
All alkanes are composed of carbon and hydrogen atoms, and have similar bonds, structures, and formulas; noncyclic alkanes all have a formula of cnh2n+2. the number of carbon atoms present in an alkane has what? | [
"no limit",
"crippling limit",
"such limit",
"done limit"
] | A |
What percentage of men suffer from some form of erectile dysfunction by age 40? | [
"approximately 40 percent",
"approximately 80 percent",
"approximately 60 percent",
"approximately 10 percent"
] | A |
What secures together immovable joints and prevents them from moving? | [
"light collagen",
"light cartilage",
"dense cartilage",
"dense collagen"
] | D |
Transform faults are the site of massive what? | [
"vibrations",
"earthquakes",
"tornadoes",
"storms"
] | B |
When water goes above and below its freezing point, what rock-breaking phenomenon is common? | [
"ice crushing",
"ice wedging",
"ice inverting",
"ice locking"
] | B |
The diatoms are unicellular photosynthetic protists that encase themselves in intricately patterned, glassy cell walls composed of silicon dioxide in a matrix of organic particles. these protists are a component of freshwater and these? | [
"waste plankton",
"source plankton",
"land plankton",
"marine plankton"
] | D |
What type of reactions form compounds? | [
"chemical reactions",
"physical reactions",
"consumption reactions",
"mineral reactions"
] | A |
Millions of years ago, plants used energy from the sun to form what? | [
"evolution",
"greenhouse gases",
"fossil fuels",
"carbon compounds"
] | D |
What is the term for the process in which living things with beneficial traits produce more offspring than others do? | [
"natural selection",
"natural survival",
"natural variety",
"natural process"
] | A |
End of preview. Expand in Data Studio
README.md exists but content is empty.
- Downloads last month
- 5