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What are accessory digestive organs critical for breaking down? A. enzymes B. hormones C. pathogens D. food Answer:
D
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The direction of prevailing winds determines the type of what that usually moves over an area? A. weather B. water mass C. storm D. air mass Answer:
D
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As blood glucose levels rise what is released from the pancreas? A. insulin B. estrogen C. hemoglobin D. adrenaline Answer:
A
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Hydrocarbons are combined with oxygen in a series of enzymatic steps to product water, carbon dioxide, and energy, which is stored in the form of what? A. dormant molecules B. energy C. reactive molecules D. light Answer:
C
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The validity of thought experiments, of course, is determined by this? A. actual observation B. predictive observation C. hypothetical observation D. theoretical observation Answer:
A
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What do you call a close relationship between two species that benefits both? A. symbiotic relationship B. commensalism C. parasitic relationship D. primordial relationship Answer:
A
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Generators convert mechanical energy to which kind? A. kinetic B. static C. radiation D. electrical Answer:
D
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What is common in two eukaryotic proteins? A. cells B. translation C. DNA D. one domain Answer:
D
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What do you call egg-shaped galaxies, which are reddish to yellowish in color because they contain mostly old stars? A. elliptical galaxies B. spiral galaxies C. irregular galaxies D. conical galaxies Answer:
A
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When it was found that, without the force of gravity exerting pressure on the bones, bone mass was lost in astronauts, what kind of exercise provided an antidote? A. aerobic B. resistive C. anaerobic D. sedentary Answer:
B
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What can occur during periods of heavy rain? A. earthquakes B. volcanoes C. floods D. glaciers Answer:
C
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What type of energy can be used to change the position or shape of an object, thus giving it potential energy? A. static energy B. binary energy C. kinetic energy D. harmonic energy Answer:
C
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What equals the output power divided by the input power? A. inertia B. output C. potential D. efficiency Answer:
D
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Overpopulation takes place when the number of organisms in an area exceeds what? A. carrying capacity B. predators C. biome size D. consumers Answer:
A
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There are six fundamentally different kinds of nuclear decay reactions, and each releases a different kind of particle or what? A. energy B. protein C. mass D. mineral Answer:
A
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What is the only metal that is a liquid at room temperature? A. copper B. aluminum C. mercury D. tin Answer:
C
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Heart valves prevent what kind of blood flow from happening in the heart? A. slow flow B. backflow C. irregular flow D. quick flow Answer:
B
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What is the source of energy for photosynthesis? A. carbon B. air C. light D. gravity Answer:
C
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Different types of interference include destructive and what else? A. constructive B. active C. helpful D. consistent Answer:
A
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What is anything that causes cancer called? A. chemical B. pesticide C. bacteria D. carcinogen Answer:
D
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In comparing two solutions of unequal solute concentration, the solution with the higher solute concentration is called what? A. acetic B. hydrophilic C. hypertonic D. hypothermic Answer:
C
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What broad group of animals - which includes rats, dogs and camels - have highly developed brains and often perform work for humans? A. arachnids B. amphibians C. reptiles D. mammals Answer:
D
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What term describes a way that small molecules or ions move across the cell membrane without input of energy by the cell? A. passive transport B. impassive transport C. physical transport D. immune transport Answer:
A
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Do most humans feed at one trophic level, or more than one? A. one B. none C. less than one D. more than one Answer:
D
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What is it called when two waves combine to create a larger wave? A. consistent interference B. Destructive Interference C. wave propagation D. constructive interference Answer:
D
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What is the study of the relationship between electricity and chemical reactions called? A. electrochemistry B. inorganic chemistry C. analytical chemistry D. physical chemistry Answer:
A
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What is the term for expelling air out of the body through the nose or mouth? A. induction B. perspiration C. exhalation D. inhalation Answer:
C
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The lowest resonant frequency is called the what? A. lowest B. basic C. simplest D. fundamental Answer:
D
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Body waves and surface waves are the two major types of what, which occur during earthquakes? A. tidal waves B. current waves C. sound waves D. seismic waves Answer:
D
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Inferior rotation occurs during limb adduction and involves the downward motion of what? A. glenoid cavity B. pelvic cavity C. choroidal cavity D. dialysate cavity Answer:
A
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The speed of an electromagnetic wave is the product of its wavelength and what else? A. height B. frequency C. density D. resonance Answer:
B
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Electrons in inner shells are called what? A. inner electrons B. core electrons C. valence electrons D. surface electrons Answer:
B
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The binding of complementary bases allows dna molecules to take their well-known shape, called a what? A. double helix B. triple helix C. single helix D. simple helix Answer:
A
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What are the only amphibians without legs? A. crustaceans B. newts C. caecilians D. porifera Answer:
C
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Plants, fungi, bacteria and archaea cells all have what feature that keeps them rigid that animal cells do not have? A. plastids B. cell membrane C. cytoplasm D. cell walls Answer:
D
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What type of interspecies relationship involves one party being actively harmed? A. mutualism B. mosaicism C. symbiosis D. parasitism Answer:
D
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Which nervous system consists of all the nervous tissue that lies outside the central nervous system? A. auxiliary nervous system B. peripheral nervous system C. function nervous system D. significant nervous system Answer:
B
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What do organisms use to grow and repair themselves? A. cell solution B. diffusion C. mutation D. cell division Answer:
D
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The afferent arterioles service about 1.3 million of what in each kidney? A. nephrons B. neurons C. dendrites D. axons Answer:
A
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Kyphosis, lordosis, and scoliosis are all diseases involving improper curvature of which bodily structure (which is supposed to be curved in a certain way anyway)? A. aorta B. lungs C. femur D. spine Answer:
D
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What do herbivores eat? A. plants B. animals C. meat and plants D. minerals Answer:
A
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What important aspect of the scientific method is a suggested explanation for an event, which can be tested? A. independent variable B. hypothesis C. scientific control D. string theory Answer:
B
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What distant and extraordinarily energetic objects now seem to be early stages of galactic evolution with a supermassive black-hole-devouring material? A. pulsars B. stars C. quasars D. neutrinos Answer:
C
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Which gland is an extension of the hypothalamus? A. salivary gland B. adrenal gland C. posterior pituitary gland D. pineal gland Answer:
C
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Energy often changes between potential and what other kind of energy? A. magnetic B. realized C. kinetic D. thermal Answer:
C
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As the prokaryotic cell size increases, what happens to its surface area-to-volume ratio? A. halts B. decreases C. stagnates D. increases Answer:
B
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Why are seeds of a pine cone easily carried by the wind and dispersed? A. seeds are dense B. seeds have wings C. seeds are sticky D. seeds are small Answer:
B
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What do dendrites from the cell body recieve impulses from? A. other neurons B. axon C. other cells D. myelin Answer:
A
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During what are deletions and duplications especially likely to occur? A. meiosis B. endothermia C. nucleus D. electrolysis Answer:
A
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What causes maple leaves to change their colors? A. artificial preservatives B. radiation reactions C. factor reactions D. chemical reactions Answer:
D
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The cell body contains what central structure along with other organelles? A. nucleus B. protons C. electron D. neutron Answer:
A
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What is the term for the number that describes an electron's orbital orientation in space? A. imaging quantum number B. magnetic electron number C. magnetic quantum number D. relative quantum number Answer:
C
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Where do most red algae species live? A. seas B. rivers C. lakes D. oceans Answer:
D
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What term is used for darwin's idea that in stable geologic and climatic conditions evolution occurred gradually? A. elitism B. tinkering C. gradualism D. canibalism Answer:
C
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What element is all life built around? A. neon B. hydrogen C. oxygen D. carbon Answer:
D
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What are seamounts that rise above the water surface called? A. reefs B. islands C. coasts D. sandbars Answer:
B
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Though often regarded as the supporting cast of the nervous system, glial cells in the brain actually outnumber what by a factor of ten? A. neurons B. electrons C. muscles D. blood cells Answer:
A
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Dinosaurs filled the niches that mammals fill today during which era? A. Phanerozoic B. Cenozoic C. mesozoic D. Proterozoic Answer:
C
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The magnet field of earth is called what? A. troposphere B. atmosphere C. magnetosphere D. ionosphere Answer:
C
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What two types of hormones regulate mammalian reproduction? A. pheromones and enzymes B. endorphins and adrenaline C. tropic and sex D. tropic and subtropic Answer:
C
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In addition to five classes of fish, what other classes make up the species of vertebrates? A. amphibians, reptiles, birds, and mammals B. reptiles, birds, mammals, and primates C. amphibians , vertebrae , birds , and mammals D. insects, amphibians, reptiles, and birds Answer:
A
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What is the method of reproduction for echinoderms? A. fragmentation B. internal fertilization C. external fertilization D. pollination Answer:
C
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What is happening to the rate of the expansion of the universe? A. it is increasing B. it is unknown C. it is decreasing D. it is stable Answer:
A
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What are required when the damage from trauma or infection cannot be closed with sutures or staples? A. skin grafts B. tree grafts C. bone grafts D. debris grafts Answer:
A
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In addition to a vibrating electric field what does an electromagnetic wave consist of? A. gravitational field B. molecular field C. magnetic field D. radiation field Answer:
C
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What type of bones serve as points of attachment for muscles and often protect internal organs? A. short bones B. flat bones C. sesamoid bones D. irregular bones Answer:
B
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The presence of what stratospheric gas layer decreases the frequency of skin cancer and other damaging effects of ultraviolet radiation? A. ozone B. plasma C. cumulonimbus D. smog Answer:
A
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The characteristic sound of a motorcycle buzzing by is an example of which effect? A. doppler effect B. coreolis effect C. polar effect D. warp effect Answer:
A
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What protects the scalp from ultraviolet light exposure and loss of body heat? A. ground hair B. receding hair C. head hair D. temporal hair Answer:
C
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What is the name given to the use of controlled nuclear fusion as an energy source? A. half-life B. generator power C. thermonuclear power D. fossil fuel Answer:
C
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Some compounds containing hydrogen are members of an important class of substances known as what? A. proteins B. ions C. acids D. bases Answer:
C
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In which organ are bile acids made A. spleen B. gall bladder C. kidney D. liver Answer:
D
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What is the layer of electrons that encircle the nucleus at a distinct energy level called? A. ions shell B. electron shell C. molecular shell D. vortex shell Answer:
B
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What is the most common way to classify stars? A. by age B. by color C. by distance D. by size Answer:
B
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What is a homogeneous mixture also known as? A. element B. structure C. solution D. mixture Answer:
C
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Living organisms are made up of what type of carbon-based compounds? A. biochemical B. microbial C. synthetic D. biophysical Answer:
A
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What classification system was developed by a swedish botanist trying to classify all known living things? A. plantological system B. taxonomical system C. linnaean system D. bionumerical system Answer:
C
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The word science is derived from what latin word? A. sceria B. scefitana C. scentia D. scitifica Answer:
C
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In a model of an atom, the level with the least energy is the one closest to what? A. nucleus B. center C. surface D. protons Answer:
A
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What is the process of making atp without oxygen called? A. photosynthesis B. Cell Division C. fermentation D. condensation Answer:
C
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What is the type of mining called when materials are removed along a strip? A. strip mining B. pit mining C. edge mining D. surface mining Answer:
A
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Chlorine is a nonmetal and gains one electron in becoming a what? A. anion B. atom C. carbonate D. sulfate Answer:
A
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The most common mode of asexual reproduction is through the formation of asexual these? A. fibers B. cells C. spores D. atoms Answer:
C
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Some species of fish carry their fertilized eggs in their mouth until they hatch; this is called what? A. spawning B. schooling C. mouth brooding D. internal reproduction Answer:
C
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In a chemical reaction, what, in general, comes together in order to form a product? A. reactants B. liquids C. propellants D. gases Answer:
A
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What decides what may enter or leave a cell? A. cell wall B. nucleus C. golgi apparatus D. cell membrane Answer:
D
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What trophic level are secondary consumers (which eat primary consumers) considered to be? A. trophic level 4 B. trophic level 5 C. trophic level 2 D. trophic level 3 Answer:
D
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What type of map projection is used for small areas to avoid distortion? A. unmeasured projection B. mercator projection C. equatorial projection D. gnomic projection Answer:
D
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What do atoms form by sharing valence electrons? A. ionic bonds B. phenotype bonds C. neutron bonds D. covalent bonds Answer:
D
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What is the process that moves particles by rolling or dragging along the bottom of the water? A. traction B. compression C. compaction D. isolation Answer:
A
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Alkenes react with what to form dihalides? A. antioxidants B. halogens C. oxides D. amines Answer:
B
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A supervolcano that may have killed all but 10,000 humans resulted in what phenomenon, lasting up to a decade? A. volcanic summer B. volcano fall C. volcano spring D. volcanic winter Answer:
D
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The existence of the plasma membrane was identified in the 1890s, and its chemical components were identified in 1915. the principal components identified at that time were these? A. carbohydrates and proteins B. lipids and carbohydrates C. gasses and proteins D. lipids and proteins Answer:
D
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Acting like drawstrings to close off the alimentary canal, what regulates the passage of material between compartments? A. intestine B. sphincter C. uterus D. hamstring Answer:
B
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What man-made substance tends to break down ozone in the stratosphere? A. plastic B. cfcs C. gasoline D. steel Answer:
B
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What in saliva protects the lining of the mouth from abrasion and lubricates food for easier swallowing? A. mucus B. spores C. hairs D. phloem Answer:
A
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Which latitudes get the most energy from the sun? A. middle latitudes B. polular latitudes C. lowest latitudes D. highest latitudes Answer:
C
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Extended stays in zero gravity are not healthy for human beings. thus, for the comfort of the astronauts, the station is rotated so that the astronauts feel there is what? A. revealed gravity B. still gravity C. internal gravity D. Fixed Gravity Answer:
C
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What parts of the planet does solar energy have difficulty reaching? A. deserts B. equators C. poles D. oceans Answer:
C
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Oceans are made of a solution of what? A. salt and carbon B. water and carbon C. salt and algae D. salt and water Answer:
D
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