question stringlengths 68 502 | answer stringclasses 4 values |
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Question: What substances, which are distinct from acids and bases, form when ions form ionic bonds?
Options:
A. water molecules
B. vitamins
C. salts
D. oils | C |
Question: What is the name for biochemical compounds that consist of one or more chains of small molecules called amino acids?
Options:
A. protons
B. hormones
C. proteins
D. lipids | C |
Question: What are the ionic compounds that produce negative hydroxide ions when dissolved in water?
Options:
A. acids
B. isotopes
C. enzymes
D. bases | D |
Question: 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?
Options:
A. 74
B. 36
C. 9
D. 18 | D |
Question: What is the apparatus used for carrying out an electrolysis reaction?
Options:
A. Golgi apparatus
B. catalyst
C. an aqueous cell
D. an electrolytic cell | D |
Question: What two ways may light be transmitted?
Options:
A. absorption and refraction
B. magnified or scattered
C. refracted or scattered
D. reflected or refracted | C |
Question: Triggered by changes in the environment, migration and hibernation occur as cycles on what temporal basis?
Options:
A. bi-annually
B. annual
C. monthly
D. seasonally | B |
Question: What pair of tubes that extends toward the ovaries features a fringelike structure that sweeps eggs inside?
Options:
A. fallopian tubes
B. golgi apparatus
C. ovarian tubes
D. vas deferens | A |
Question: In most animals, what sense is related to balance or equilibrium?
Options:
A. vision
B. feeling
C. tasting
D. hearing | D |
Question: Terminal pods are located at the end of what?
Options:
A. stems
B. fruits
C. leaves
D. spines | A |
Question: What forms when the spores from two parents fuse during sexual reproduction?
Options:
A. monospore
B. spirogyra
C. xerophyte
D. zygospore | D |
Question: What is the name of the galaxy we live in?
Options:
A. Andromeda
B. Bode's Galaxy
C. Centaurus A
D. milky way | D |
Question: What are the most common seedless vascular plants?
Options:
A. weeds
B. trees
C. grasses
D. ferns | D |
Question: In a monogamous pairing, a male individual is generally paired with what other type of individual in a sexual relationship?
Options:
A. worker
B. female
C. male
D. drone | B |
Question: What is a mass spectrometer used to measure?
Options:
A. partial atomic masses
B. subatomic masses
C. optical atomic masses
D. relative atomic masses | D |
Question: What combines sets of genes from two different parents leading to genetically diverse offspring?
Options:
A. sexual reproduction
B. subject reproduction
C. cellular reproduction
D. sexual destruction | A |
Question: Global warming will raise ocean levels due to melt water from glaciers and the greater volume of what?
Options:
A. rain
B. warmer water
C. rainforests
D. greenhouse gases | B |
Question: What are groups of young stars loosely held together by gravity called?
Options:
A. closed clusters
B. open clusters
C. galaxies
D. constellations | B |
Question: What does a pollinator pick up from its body and carry directly to another plant of the same species?
Options:
A. spore
B. seed
C. pathogen
D. pollen | D |
Question: What is formed when an oxygen atom picks up a pair of hydrogen ions from a solution?
Options:
A. ammonia
B. turpentine
C. liquid
D. water | D |
Question: What does the driving of turbines by the heating of water to steam accomplish?
Options:
A. generation of electricity
B. depletion of electricity
C. diffusion of electricity
D. absorption of electricity | A |
Question: What is a device that changes kinetic energy to electrical energy through electromagnetic induction?
Options:
A. a battery
B. a windmill
C. an electric generator
D. a diesel engine | C |
Question: How many naturally occurring elements are known on earth?
Options:
A. 60
B. 87
C. 85
D. 90 | D |
Question: What are the two types of vesicle transport called?
Options:
A. dielectric and exocytosis
B. epithelium and exocytosis
C. endocytosis and exocytosis
D. eptocytosis and exocytosis | C |
Question: What do you call a species that has died out in the past?
Options:
A. extinct
B. inhabit
C. endangered
D. remnant | A |
Question: Where does the embryo develop in a plant?
Options:
A. outside the female plant after fertilization
B. inside the stem after fertilization
C. inside the male plant after fertilization
D. inside the female plant after fertilization | D |
Question: What is the method of setting or correcting a measuring device by matching it to known measurement standards called?
Options:
A. precision
B. calibration
C. distortion
D. parallax | B |
Question: What property of warm air causes it to rise above cold air?
Options:
A. higher temperature
B. greater pressure
C. greater density
D. lower density | D |
Question: Which branch of biology studies animal behavior?
Options:
A. embryology
B. anthropology
C. ethology
D. microbiology | C |
Question: What unit of measure is equal to the amount of work a horse can do in 1 minute?
Options:
A. watt
B. horsepower
C. torque
D. joule | B |
Question: What organism is characterized by an incomplete digestive system and a single, tentacled opening?
Options:
A. sponges
B. cnidarians
C. prokaryotes
D. annelids | B |
Question: What term is not the same as energy, but means the energy per unit charge?
Options:
A. mass
B. voltage
C. speed
D. frequency | B |
Question: What specific part of the african violet is used to propagate other plants?
Options:
A. roots
B. spores
C. petals
D. leaves | D |
Question: What are fibers that depend on aerobic respiration called?
Options:
A. oxidative fibers
B. evaporative fibers
C. fragile fibers
D. hydrogen fibers | A |
Question: Which form of electromagnetic waves have more energy: low frequency wave or high frequency waves?
Options:
A. the same
B. high frequency waves
C. neither
D. low frequency waves | B |
Question: Something that has all of the characteristics of life is considered to be what?
Options:
A. organism
B. ecosystem
C. alive
D. molecule | C |
Question: What do the letters in our blood types represent?
Options:
A. proteins
B. alleles
C. genomes
D. iron levels | B |
Question: The two stages of photosynthesis are the light reactions and what?
Options:
A. reproductive cycle
B. calvin cycle
C. digestive cycle
D. respiratory cycle | B |
Question: What do living things need to survive?
Options:
A. molecules
B. nutrients
C. oxygen
D. heat | B |
Question: The denser regions of the electron cloud are called what?
Options:
A. isotopes
B. orbitals
C. cores
D. lattices | B |
Question: In studying energy, what term do scientists use to refer to the matter and its environment involved in energy transfers?
Options:
A. molecule
B. world
C. system
D. ecosystem | C |
Question: To measure what changes that occur in chemical reactions, chemists usually use a related thermodynamic quantity, calledenthalpy?
Options:
A. energy
B. ion exchange
C. evaporation
D. entropy | A |
Question: A system in what state cannot spontaneously change, and therefore can do no work?
Options:
A. equilibrium
B. stability
C. equality
D. balance | A |
Question: What is a species that plays an especially important role in it's community called?
Options:
A. Leader
B. Invasive
C. keystone
D. complement | C |
Question: 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?
Options:
A. growth rate
B. population density
C. birth rate
D. emigration | A |
Question: The rings of what planet can be easily seen from earth?
Options:
A. Venus
B. saturn
C. Neptune
D. jupiter | B |
Question: What planet is a blue green color?
Options:
A. uranus
B. sirius
C. Mercury
D. Mars | A |
Question: The simplest class of organic compounds is the what?
Options:
A. hydrocarbons
B. Phenols
C. particles
D. gas | A |
Question: Some meteorites are made of iron and nickel and are thought to be very similar to what part of the earth?
Options:
A. shelf
B. mantel
C. core
D. crust | C |
Question: Which pathway carries somatosensory information from the face, head, mouth, and nasal cavity?
Options:
A. posterior pathway
B. trigeminal pathway
C. dual pathway
D. cranial pathway | B |
Question: The amount of kinetic energy in a moving object depends directly on its mass and what else?
Options:
A. direction
B. density
C. velocity
D. volume | C |
Question: Cycling, shoveling snow and cross-country skiing are examples of what kind of heart-strengthening activity?
Options:
A. aerobic
B. exercise
C. anaerobic
D. metabolism | A |
Question: What take the shape of their container, and are relatively easy to compress?
Options:
A. semi-fluids
B. molecules
C. fluids
D. gases | D |
Question: What is moving air called?
Options:
A. humidity
B. wind
C. steam
D. clouds | B |
Question: What property makes bone marrow cells ideal for gene therapy?
Options:
A. lifelong reproduction
B. irreversible reproduction
C. behavior reproduction
D. Matching | A |
Question: What is the name of the two metalloids in the carbon group called?
Options:
A. silver and gold
B. silicon and gold
C. silicon and germanium
D. titantium and copper | C |
Question: What is the name of the zone where water is deeper than 200 meters called?
Options:
A. euphotic zone
B. aphotic zone
C. eccentric zone
D. transition zone | B |
Question: Diagnosing and treating cancer is a beneficial use of what potentially dangerous energy?
Options:
A. mechanical
B. thermal
C. solar
D. radiation | D |
Question: 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?
Options:
A. peanuts
B. meat
C. milk
D. fruit | C |
Question: Three-prong plugs, circuit breakers, and gfci outlets are safety features that recognize the danger of what?
Options:
A. gravity
B. heat
C. electricity
D. magnetism | C |
Question: Catabolic reactions break down large organic molecules into smaller molecules, releasing the energy contained in what?
Options:
A. molecular bonds
B. chemical bonds
C. crystals bonds
D. liquid bonds | B |
Question: In qualitative analysis, reagents are added to an unknown chemical mixture in order to induce what?
Options:
A. precipitation
B. erosion
C. sunlight
D. motion | A |
Question: While climate change in earth history was due to natural processes, what is primarily to blame for recent global warming?
Options:
A. factories
B. wars
C. human actions
D. volcanos | C |
Question: What is the simplest life cycle?
Options:
A. haploid life cycle
B. binary life cycle
C. metamorphic cycle
D. diploid life cycle | A |
Question: What keeps the moon orbiting earth?
Options:
A. Coriolis effect
B. the Sun
C. axial tilt
D. gravity | D |
Question: What are formed by the attraction between oppositely charged ions?
Options:
A. magnetic bonds
B. ionic bonds
C. soluble bonds
D. inept bonds | B |
Question: What produces hormones that directly regulate body processes?
Options:
A. hippocampus
B. lymph glands
C. pancreas
D. hypothalamus | D |
Question: Comparing anatomy, and characterizing the similarities and differences, provides evidence of what process?
Options:
A. emergence
B. evolution
C. devolution
D. regression | B |
Question: What is the second most abundant element in the earth's crust?
Options:
A. nitrogen
B. helium
C. silicon
D. carbon | C |
Question: Which kind of genetics approach involves mutating or deleting genes provides researchers with clues about gene function?
Options:
A. reverse genetics
B. possible genetics
C. inverse genetics
D. impossible genetics | A |
Question: More than half of all known organisms are what?
Options:
A. enzymes
B. insects
C. mammals
D. spiders | B |
Question: For what purpose does liver use the excess carbohydrate?
Options:
A. to synthesize glycogen
B. process sugar
C. dilute carbohydrates
D. convert starches | A |
Question: Saturn is made mostly of helium and what else?
Options:
A. hydrogen
B. nitrogen
C. hydrogen
D. carbon | A |
Question: What are alkenes organic compounds that contain one or more double or triple bonds between carbon atoms described as?
Options:
A. insulated
B. unsaturated
C. saturated
D. strong | B |
Question: Electrons in covalent compounds are shared between the two atoms, unlike the case in what type of bonds?
Options:
A. weak bonds
B. ionic bonds
C. soluble bonds
D. horizontal bonds | B |
Question: What is the resistance of a liquid to flow called?
Options:
A. permeability
B. elasticity
C. turbulence
D. viscosity | D |
Question: The mass of atoms is based on the number of protons and neutrons in what?
Options:
A. components
B. electrons
C. molecules
D. nucleus | D |
Question: Where do polychaete worms live?
Options:
A. the ocean floor
B. in coral reefs
C. attached to marine life
D. in tide pools | A |
Question: What is the study of how and why plants and animals live where they do?
Options:
A. geomorphology
B. biogeography
C. lithography
D. heredity | B |
Question: Muscles that position the pectoral girdle are located either on the anterior thorax or on this?
Options:
A. inferred thorax
B. posterior thorax
C. analogous thorax
D. posterior thorax | B |
Question: What are the two major types of seed plants called?
Options:
A. flowers and fruits
B. perennials and annuals
C. gymnosperms and angiosperms
D. deciduous and evergreen | C |
Question: What do we call the energy-rich product of photosynthesis?
Options:
A. insulin
B. sugar
C. chloride
D. glucose | D |
Question: How is oxygen transferred into the bloodstream?
Options:
A. brain diffusion
B. mean diffusion
C. hard diffusion
D. simple diffusion | D |
Question: Ringworm and athlete's foot are human diseases caused by what simple organisms?
Options:
A. insects
B. bacteria
C. viruses
D. fungi | D |
Question: What is the measure of the change in the velocity of a moving object called?
Options:
A. compression
B. acceleration
C. transmission
D. pressurization | B |
Question: What is the usual treatment for acute bronchitis?
Options:
A. surgery
B. physical therapy
C. pesticides
D. antibiotics | D |
Question: What are generally divided into prosimian and non-prosimian?
Options:
A. primates
B. insects
C. carnivores
D. rodents | A |
Question: The creation and destruction of oceanic crust is the reason what moves?
Options:
A. oceans
B. continents
C. planets
D. animals | B |
Question: What is the concept by which two species within the same area to coexist by adapting by developing different specializations?
Options:
A. feature displacement
B. character development
C. character displacement
D. character concept | C |
Question: A turbine that spins a generator will produce?
Options:
A. light
B. magnetic fields
C. solar energy
D. electricity | D |
Question: Meiosis in the sporophyte produces haploid cells called what?
Options:
A. fibers
B. ions
C. seeds
D. spores | D |
Question: 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?
Options:
A. polar reaction
B. single-replacement reaction
C. replication reaction
D. double-replacement reaction | B |
Question: What are the two distinct types of cells found in the animal kingdom?
Options:
A. DNA and Eukaryotes
B. bacteria and eukaryotes
C. chromosomes and eukaryotes
D. prokaryotes and eukaryotes | D |
Question: 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?
Options:
A. nonmetals
B. halogens
C. metals
D. noble gases | C |
Question: Angiosperms are also known as what?
Options:
A. flowering plants
B. dry plants
C. uncommon plants
D. dead plants | A |
Question: An estimated 100 trillion of these live in the gut of an average person?
Options:
A. algae
B. viruses
C. pathogens
D. bacteria | D |
Question: The ability to regulate what, which is possessed by mammals, was an advantage as earth’s climate went through sudden and dramatic changes?
Options:
A. hair growth
B. body temperature
C. reflex behaviors
D. mutations | B |
Question: What is the term for very large arrays of tandemly repeating, non-coding dna?
Options:
A. addition dna
B. satellite dna
C. recombinant dna
D. models dna | B |
Question: What kind of map can show the features of the bottom of a body of water?
Options:
A. bathymetric
B. country
C. basic
D. topographic | A |
Question: What evolved, adapted response to resource availability is the long-range seasonal movement of animals?
Options:
A. Stagnation
B. changing
C. regulating
D. migration | D |
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