question stringlengths 14 399 | choices listlengths 4 4 | answer stringclasses 4 values |
|---|---|---|
What substances, which are distinct from acids and bases, form when ions form ionic bonds? | [
"salts",
"oils",
"vitamins",
"water molecules"
] | A |
What is the name for biochemical compounds that consist of one or more chains of small molecules called amino acids? | [
"lipids",
"protons",
"proteins",
"hormones"
] | C |
What are the ionic compounds that produce negative hydroxide ions when dissolved in water? | [
"acids",
"bases",
"isotopes",
"enzymes"
] | B |
The atomic number of tungsten is 74. therefore, in a neutral atom of tungsten, there are 74 electrons. the atomic number of argon is 18. therefore, in a neutral atom of argon, there are how many electrons? | [
"36",
"9",
"18",
"74"
] | C |
What is the apparatus used for carrying out an electrolysis reaction? | [
"an electrolytic cell",
"an aqueous cell",
"Golgi apparatus",
"catalyst"
] | A |
What two ways may light be transmitted? | [
"reflected or refracted",
"absorption and refraction",
"refracted or scattered",
"magnified or scattered"
] | C |
Triggered by changes in the environment, migration and hibernation occur as cycles on what temporal basis? | [
"annual",
"bi-annually",
"monthly",
"seasonally"
] | A |
What pair of tubes that extends toward the ovaries features a fringelike structure that sweeps eggs inside? | [
"vas deferens",
"fallopian tubes",
"golgi apparatus",
"ovarian tubes"
] | B |
In most animals, what sense is related to balance or equilibrium? | [
"hearing",
"tasting",
"vision",
"feeling"
] | A |
Terminal pods are located at the end of what? | [
"spines",
"fruits",
"leaves",
"stems"
] | D |
What forms when the spores from two parents fuse during sexual reproduction? | [
"monospore",
"zygospore",
"xerophyte",
"spirogyra"
] | B |
What is the name of the galaxy we live in? | [
"Centaurus A",
"Bode's Galaxy",
"milky way",
"Andromeda"
] | C |
What are the most common seedless vascular plants? | [
"ferns",
"trees",
"grasses",
"weeds"
] | A |
In a monogamous pairing, a male individual is generally paired with what other type of individual in a sexual relationship? | [
"male",
"drone",
"worker",
"female"
] | D |
What is a mass spectrometer used to measure? | [
"relative atomic masses",
"subatomic masses",
"partial atomic masses",
"optical atomic masses"
] | A |
What combines sets of genes from two different parents leading to genetically diverse offspring? | [
"cellular reproduction",
"subject reproduction",
"sexual destruction",
"sexual reproduction"
] | D |
Global warming will raise ocean levels due to melt water from glaciers and the greater volume of what? | [
"rain",
"warmer water",
"rainforests",
"greenhouse gases"
] | B |
What are groups of young stars loosely held together by gravity called? | [
"open clusters",
"constellations",
"galaxies",
"closed clusters"
] | A |
What does a pollinator pick up from its body and carry directly to another plant of the same species? | [
"spore",
"pollen",
"pathogen",
"seed"
] | B |
What is formed when an oxygen atom picks up a pair of hydrogen ions from a solution? | [
"ammonia",
"water",
"turpentine",
"liquid"
] | B |
What does the driving of turbines by the heating of water to steam accomplish? | [
"depletion of electricity",
"absorption of electricity",
"generation of electricity",
"diffusion of electricity"
] | C |
What is a device that changes kinetic energy to electrical energy through electromagnetic induction? | [
"a battery",
"a diesel engine",
"a windmill",
"an electric generator"
] | D |
How many naturally occurring elements are known on earth? | [
"60",
"90",
"85",
"87"
] | B |
What are the two types of vesicle transport called? | [
"eptocytosis and exocytosis",
"epithelium and exocytosis",
"endocytosis and exocytosis",
"dielectric and exocytosis"
] | C |
What do you call a species that has died out in the past? | [
"extinct",
"inhabit",
"remnant",
"endangered"
] | A |
Where does the embryo develop in a plant? | [
"inside the female plant after fertilization",
"outside the female plant after fertilization",
"inside the male plant after fertilization",
"inside the stem after fertilization"
] | A |
What is the method of setting or correcting a measuring device by matching it to known measurement standards called? | [
"distortion",
"parallax",
"precision",
"calibration"
] | D |
What property of warm air causes it to rise above cold air? | [
"greater density",
"lower density",
"greater pressure",
"higher temperature"
] | B |
Which branch of biology studies animal behavior? | [
"ethology",
"microbiology",
"embryology",
"anthropology"
] | A |
What unit of measure is equal to the amount of work a horse can do in 1 minute? | [
"watt",
"torque",
"joule",
"horsepower"
] | D |
What organism is characterized by an incomplete digestive system and a single, tentacled opening? | [
"sponges",
"annelids",
"cnidarians",
"prokaryotes"
] | C |
What term is not the same as energy, but means the energy per unit charge? | [
"mass",
"speed",
"frequency",
"voltage"
] | D |
What specific part of the african violet is used to propagate other plants? | [
"petals",
"spores",
"leaves",
"roots"
] | C |
What are fibers that depend on aerobic respiration called? | [
"fragile fibers",
"oxidative fibers",
"hydrogen fibers",
"evaporative fibers"
] | B |
Which form of electromagnetic waves have more energy: low frequency wave or high frequency waves? | [
"low frequency waves",
"the same",
"neither",
"high frequency waves"
] | D |
Something that has all of the characteristics of life is considered to be what? | [
"organism",
"ecosystem",
"alive",
"molecule"
] | C |
What do the letters in our blood types represent? | [
"iron levels",
"alleles",
"genomes",
"proteins"
] | B |
The two stages of photosynthesis are the light reactions and what? | [
"calvin cycle",
"digestive cycle",
"reproductive cycle",
"respiratory cycle"
] | A |
What do living things need to survive? | [
"molecules",
"heat",
"nutrients",
"oxygen"
] | C |
The denser regions of the electron cloud are called what? | [
"lattices",
"orbitals",
"cores",
"isotopes"
] | B |
In studying energy, what term do scientists use to refer to the matter and its environment involved in energy transfers? | [
"system",
"world",
"ecosystem",
"molecule"
] | A |
To measure what changes that occur in chemical reactions, chemists usually use a related thermodynamic quantity, calledenthalpy? | [
"energy",
"ion exchange",
"evaporation",
"entropy"
] | A |
A system in what state cannot spontaneously change, and therefore can do no work? | [
"equilibrium",
"stability",
"equality",
"balance"
] | A |
What is a species that plays an especially important role in it's community called? | [
"Invasive",
"keystone",
"Leader",
"complement"
] | B |
What term that shows how fast a population is growing includes new members added to the population over a given period, as well as old members removed from the population? | [
"population density",
"birth rate",
"emigration",
"growth rate"
] | D |
The rings of what planet can be easily seen from earth? | [
"jupiter",
"Venus",
"Neptune",
"saturn"
] | D |
What planet is a blue green color? | [
"Mercury",
"sirius",
"uranus",
"Mars"
] | C |
The simplest class of organic compounds is the what? | [
"Phenols",
"gas",
"hydrocarbons",
"particles"
] | C |
Some meteorites are made of iron and nickel and are thought to be very similar to what part of the earth? | [
"shelf",
"core",
"mantel",
"crust"
] | B |
Which pathway carries somatosensory information from the face, head, mouth, and nasal cavity? | [
"trigeminal pathway",
"cranial pathway",
"posterior pathway",
"dual pathway"
] | A |
The amount of kinetic energy in a moving object depends directly on its mass and what else? | [
"volume",
"velocity",
"density",
"direction"
] | B |
Cycling, shoveling snow and cross-country skiing are examples of what kind of heart-strengthening activity? | [
"metabolism",
"aerobic",
"anaerobic",
"exercise"
] | B |
What take the shape of their container, and are relatively easy to compress? | [
"molecules",
"fluids",
"gases",
"semi-fluids"
] | C |
What is moving air called? | [
"clouds",
"wind",
"humidity",
"steam"
] | B |
What property makes bone marrow cells ideal for gene therapy? | [
"Matching",
"irreversible reproduction",
"behavior reproduction",
"lifelong reproduction"
] | D |
What is the name of the two metalloids in the carbon group called? | [
"silicon and gold",
"silver and gold",
"titantium and copper",
"silicon and germanium"
] | D |
What is the name of the zone where water is deeper than 200 meters called? | [
"euphotic zone",
"aphotic zone",
"eccentric zone",
"transition zone"
] | B |
Diagnosing and treating cancer is a beneficial use of what potentially dangerous energy? | [
"thermal",
"solar",
"mechanical",
"radiation"
] | D |
Many adults and some children suffer from a deficiency of lactase. these individuals are said to be lactose intolerant because they cannot digest the lactose found in what? | [
"meat",
"peanuts",
"fruit",
"milk"
] | D |
Three-prong plugs, circuit breakers, and gfci outlets are safety features that recognize the danger of what? | [
"electricity",
"heat",
"magnetism",
"gravity"
] | A |
Catabolic reactions break down large organic molecules into smaller molecules, releasing the energy contained in what? | [
"molecular bonds",
"crystals bonds",
"liquid bonds",
"chemical bonds"
] | D |
In qualitative analysis, reagents are added to an unknown chemical mixture in order to induce what? | [
"erosion",
"precipitation",
"sunlight",
"motion"
] | B |
While climate change in earth history was due to natural processes, what is primarily to blame for recent global warming? | [
"human actions",
"wars",
"volcanos",
"factories"
] | A |
What is the simplest life cycle? | [
"diploid life cycle",
"haploid life cycle",
"metamorphic cycle",
"binary life cycle"
] | B |
What keeps the moon orbiting earth? | [
"the Sun",
"Coriolis effect",
"axial tilt",
"gravity"
] | D |
What are formed by the attraction between oppositely charged ions? | [
"inept bonds",
"ionic bonds",
"soluble bonds",
"magnetic bonds"
] | B |
What produces hormones that directly regulate body processes? | [
"lymph glands",
"pancreas",
"hypothalamus",
"hippocampus"
] | C |
Comparing anatomy, and characterizing the similarities and differences, provides evidence of what process? | [
"evolution",
"devolution",
"emergence",
"regression"
] | A |
What is the second most abundant element in the earth's crust? | [
"helium",
"carbon",
"silicon",
"nitrogen"
] | C |
Which kind of genetics approach involves mutating or deleting genes provides researchers with clues about gene function? | [
"impossible genetics",
"reverse genetics",
"inverse genetics",
"possible genetics"
] | B |
More than half of all known organisms are what? | [
"enzymes",
"mammals",
"spiders",
"insects"
] | D |
For what purpose does liver use the excess carbohydrate? | [
"convert starches",
"to synthesize glycogen",
"dilute carbohydrates",
"process sugar"
] | B |
Saturn is made mostly of helium and what else? | [
"carbon",
"hydrogen",
"hydrogen",
"nitrogen"
] | B |
What are alkenes organic compounds that contain one or more double or triple bonds between carbon atoms described as? | [
"saturated",
"insulated",
"strong",
"unsaturated"
] | D |
Electrons in covalent compounds are shared between the two atoms, unlike the case in what type of bonds? | [
"soluble bonds",
"horizontal bonds",
"ionic bonds",
"weak bonds"
] | C |
What is the resistance of a liquid to flow called? | [
"viscosity",
"turbulence",
"elasticity",
"permeability"
] | A |
The mass of atoms is based on the number of protons and neutrons in what? | [
"molecules",
"nucleus",
"electrons",
"components"
] | B |
Where do polychaete worms live? | [
"in coral reefs",
"the ocean floor",
"attached to marine life",
"in tide pools"
] | B |
What is the study of how and why plants and animals live where they do? | [
"biogeography",
"heredity",
"lithography",
"geomorphology"
] | A |
Muscles that position the pectoral girdle are located either on the anterior thorax or on this? | [
"posterior thorax",
"analogous thorax",
"posterior thorax",
"inferred thorax"
] | A |
What are the two major types of seed plants called? | [
"perennials and annuals",
"gymnosperms and angiosperms",
"deciduous and evergreen",
"flowers and fruits"
] | B |
What do we call the energy-rich product of photosynthesis? | [
"sugar",
"chloride",
"insulin",
"glucose"
] | D |
How is oxygen transferred into the bloodstream? | [
"hard diffusion",
"simple diffusion",
"mean diffusion",
"brain diffusion"
] | B |
Ringworm and athlete's foot are human diseases caused by what simple organisms? | [
"viruses",
"fungi",
"insects",
"bacteria"
] | B |
What is the measure of the change in the velocity of a moving object called? | [
"pressurization",
"acceleration",
"compression",
"transmission"
] | B |
What is the usual treatment for acute bronchitis? | [
"antibiotics",
"pesticides",
"physical therapy",
"surgery"
] | A |
What are generally divided into prosimian and non-prosimian? | [
"primates",
"rodents",
"carnivores",
"insects"
] | A |
The creation and destruction of oceanic crust is the reason what moves? | [
"oceans",
"planets",
"continents",
"animals"
] | C |
What is the concept by which two species within the same area to coexist by adapting by developing different specializations? | [
"character concept",
"feature displacement",
"character displacement",
"character development"
] | C |
A turbine that spins a generator will produce? | [
"solar energy",
"light",
"magnetic fields",
"electricity"
] | D |
Meiosis in the sporophyte produces haploid cells called what? | [
"ions",
"seeds",
"fibers",
"spores"
] | D |
In this type of reaction, an element replaces another element in a compound, and the element is in any state of matter but is not an ion? | [
"single-replacement reaction",
"replication reaction",
"polar reaction",
"double-replacement reaction"
] | A |
What are the two distinct types of cells found in the animal kingdom? | [
"chromosomes and eukaryotes",
"prokaryotes and eukaryotes",
"DNA and Eukaryotes",
"bacteria and eukaryotes"
] | B |
What category of elements are chacterized by their ability to reflect light, called luster, their high electrical and thermal conductivity, their high heat capacity, and their malleability and ductility? | [
"noble gases",
"nonmetals",
"metals",
"halogens"
] | C |
Angiosperms are also known as what? | [
"uncommon plants",
"dead plants",
"dry plants",
"flowering plants"
] | D |
An estimated 100 trillion of these live in the gut of an average person? | [
"algae",
"bacteria",
"pathogens",
"viruses"
] | B |
The ability to regulate what, which is possessed by mammals, was an advantage as earth’s climate went through sudden and dramatic changes? | [
"hair growth",
"reflex behaviors",
"mutations",
"body temperature"
] | D |
What is the term for very large arrays of tandemly repeating, non-coding dna? | [
"satellite dna",
"addition dna",
"recombinant dna",
"models dna"
] | A |
What kind of map can show the features of the bottom of a body of water? | [
"bathymetric",
"basic",
"country",
"topographic"
] | A |
What evolved, adapted response to resource availability is the long-range seasonal movement of animals? | [
"regulating",
"changing",
"Stagnation",
"migration"
] | D |
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