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Question: Regulation of the reproductive system is a process that requires the action of hormones from which gland? Options: A. thyroid gland B. adrenal gland C. pituitary gland D. salivary gland Answer:
C
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Question: What is the name for a specific amount of solute that can dissolve in a given amount of solvent? Options: A. solubility B. concentration C. viscosity D. humidity Answer:
A
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Question: What is another term for body chromosomes? Options: A. quasars B. Chromosomes C. subsets D. autosomes Answer:
D
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Question: What is the sum of the massess of the atoms in a molecule? Options: A. nuclear mass B. magnetic mass C. underlying mass D. molecular mass Answer:
D
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Question: What often form symbiotic associations with much larger organisms? Options: A. protists B. eukaryotes C. prokaryotes D. viruses Answer:
C
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Question: What basic plant structure facilitates dispersal of pollen and fruit by raising reproductive structures? Options: A. root B. leaf C. stem D. flower Answer:
C
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Question: Emphysema is a chronic disease caused by the breakdown of the what tissue? Options: A. brain B. lung C. heart D. liver Answer:
B
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Question: Torpor, a process that leads to a decrease in activity and metabolism and allows animals to survive adverse conditions, includes what long winter 'sleep'? Options: A. relaxation B. pollination C. fermentation D. hibernation Answer:
D
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Question: Organisms that live deep in the ocean must be able to withstand what? Options: A. extreme water pressure B. the sun C. tsunamis D. significant water pressure Answer:
A
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Question: Graded potentials are temporary changes in what, the characteristics of which depend on the size of the stimuli? Options: A. membrane voltage B. components voltage C. organic voltage D. organism voltage Answer:
A
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Question: What produces enzymes that digest carbohydrates in plant cell walls? Options: A. protists B. algae C. pollen D. bacteria Answer:
D
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Question: What type of invertebrates where the earliest animals? Options: A. arachnids B. annelids C. aquatic invertebrates D. cnidaria Answer:
C
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Question: For the nervous system to function, neurons must be able to send and receive what? Options: A. information B. proteins C. pulses D. signals Answer:
D
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Question: Sponges are part of what phylum, which gets its name from the latin for "having pores"? Options: A. annelida B. porifera C. chordata D. mammalia Answer:
B
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Question: What do scientists use to study the deep without going to the seafloor? Options: A. ultrasound machines B. telescopes C. drill rigs D. remotely operated vehicles Answer:
D
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Question: In qualitative analysis, reagents are added to an unknown chemical mixture in order to induce what? Options: A. sunlight B. precipitation C. erosion D. motion Answer:
B
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Question: During the scientific revolution, who proposed that the sun, not earth, is the center of the solar system? Options: A. janus B. Newton C. copernicus D. Galileo Answer:
C
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Question: What part of the neuron is a large structure with a central nucleus? Options: A. proteins body B. Eye body C. Environmental D. cell body Answer:
D
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Question: Einstein developed a theory about how electromagnetic radiation can behave as both a wave and what else? Options: A. energy B. particle C. sound D. bacteria Answer:
B
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Question: What is the hollow and muscular balloon-shaped organ that collects urine? Options: A. urinary bladder B. kidney C. prostate D. urethra Answer:
A
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Question: All the water in the open ocean is referred to as what zone, which is further divided by depth? Options: A. oceanic B. terrestrial C. aquatic D. pelagic Answer:
D
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Question: What is produced when hydrogen gas and oxygen gas are ignited? Options: A. liquid B. air C. water D. Fire Answer:
C
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Question: What is the ph level for pure water? Options: A. ph of 7 B. ph of 6.47 C. pH of 0 D. ph of 3.17 Answer:
A
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Question: What property of an object is obtained by multiplying its mass and its velocity? Options: A. component B. movement C. fluid D. momentum Answer:
D
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Question: What type of energy travels in waves across space as well as through matter? Options: A. mechanical radiation B. kinetic energy C. thermal energy D. electromagnetic radiation Answer:
D
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Question: What organs absorb water and nutrients from the soil? Options: A. leaves B. buds C. flowers D. roots Answer:
D
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Question: What type of pressure may build up inside the cell when water moves into a cell by osmosis? Options: A. transverse pressure B. impervious pressure C. pleasurable pressure D. osmotic pressure Answer:
D
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Question: What type of cancer can the use of tanning beds lead to? Options: A. tissue cancer B. skin cancer C. breast cancer D. brain cancer Answer:
B
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Question: What is the measure of kinetic energy of the particles in matter? Options: A. temperature B. friction C. precipitation D. energy Answer:
A
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Question: Anabolic steroids, a form of the male sex hormone testosterone, are one of the most widely known performance-enhancing drugs. steroids are used to help build what? Options: A. bone mass B. muscle mass C. brain tissue D. nervous tissue Answer:
B
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Question: What are the structures in the cytoplasm where proteins are made? Options: A. prokaryotes B. ribosomes C. nucleus D. chromosomes Answer:
B
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Question: What do you call the illness that occurs when harmful bacteria enter the digestive system in food? Options: A. meat poisoning B. food poisoning C. bacteria poisoning D. nutrition poisoning Answer:
B
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Question: Where does the krebs cycle take place? Options: A. in the nitrogen B. in the ozone C. in the beam D. in the matrix Answer:
D
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Question: What type of plants are the mosses, the hornwarts, and the liverworts considered to be? Options: A. nonvascular B. Vascular C. xerophyte D. spirogyra Answer:
A
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Question: If everything else stays the same in a system with a gas in it, and the gas gets warmer, what will happen to its pressure, generally? Options: A. it's eliminated B. it drops C. it increases D. it stays the same Answer:
C
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Question: Fertilized mollusk eggs develop into what? Options: A. bark B. shrimp C. larvae D. leaf Answer:
C
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Question: What is the term for the movement of molecules from an area of high concentration to an area of low concentration? Options: A. diffusion B. concentration C. Osmosis D. passive transport Answer:
A
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Question: What chemical element is required for a combustion reaction ? Options: A. carbon B. oxygen C. helium D. nitrogen Answer:
B
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Question: What is the term for geological activity that occurs within a plate? Options: A. disruption activity B. perennials activity C. deformation activity D. intraplate activity Answer:
D
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Question: What do you call different organs working together? Options: A. endocrine system B. organ systems C. maturation systems D. cellular system Answer:
B
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Question: Hypersensitivity may refer to a maladaptive response of what system toward a harmless foreign substance? Options: A. brain B. oxygen C. immune D. System Answer:
C
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Question: What is the liquid component in blood? Options: A. plasma B. aqueous humor C. hemoglobin D. respiration Answer:
A
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Question: What is the measure of the change in velocity of a moving object called? Options: A. inclination B. force C. stimulation D. acceleration Answer:
D
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Question: Dew point is the temperature at which what occurs? Options: A. fermentation B. condensation C. combustion D. precipitation Answer:
B
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Question: Each antibody can bind with just one specific type of what, resulting in a signal for a phagocyte to destroy them? Options: A. immunogen B. adhesion C. pathogen D. antigen Answer:
D
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Question: Shark teeth likely evolved from the jagged scales that cover their skin, called what? Options: A. heterotroph scales B. hook scales C. placoid scales D. pinworm scales Answer:
C
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Question: Ion drives have low thrust but high what? Options: A. efficiency B. tolerance C. power D. acceleration Answer:
A
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Question: What do you call a condition caused by mutations in one or more genes? Options: A. evolutionary disorder B. mutation disorder C. intrinsic disorder D. genetic disorder Answer:
D
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Question: Gas particles are constantly colliding with each other and the walls of a container, and these collisions are elastic, so there is no net loss of what? Options: A. temperature B. energy C. heat D. velocity Answer:
B
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Question: After an adaptive defense is produced against a pathogen, typically plasma cells first secrete immunoglobin, which constitutes about ten percent of all what? Options: A. allergies B. hormones C. antibodies D. parasites Answer:
C
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Question: What scale measures the total energy released by an earthquake? Options: A. moment identification scale B. direct magnitude scale C. moment magnitude scale D. moment radiation scale Answer:
C
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Question: Practical limits of van de graaff generators arise because the large electric fields polarize and eventually do what to surrounding materials? Options: A. decompose B. isolate C. ionize D. displace Answer:
C
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Question: What type of resource is limited in supply and cannot be replaced except over millions of years? Options: A. renewable energy B. natural resource C. human resources D. capital resources Answer:
B
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Question: Cellular respiration uses oxygen to harvest what from organic molecules? Options: A. chlorophyll B. energy C. light D. water Answer:
B
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Question: What type of light is composed of many rays having random polarization directions? Options: A. polarized light B. unpolarized light C. reflected light D. diffracted light Answer:
B
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Question: What common process is used in the production of bread, cheese and alcoholic beverages? Options: A. fermentation B. condensation C. oxidation D. cloning Answer:
A
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Question: Each vertebral vein also flows into which vein? Options: A. trichina B. brachiocephalic C. xerophyte D. spiral Answer:
B
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Question: How many different main types of diabetes are there? Options: A. two B. three C. ten D. four Answer:
A
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Question: What science studies chemical processes that are found in living things? Options: A. marine biology B. physiology C. psysiology D. biochemistry Answer:
D
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Question: The earliest stages of spermatogenesis occur closest to the lumen of the what? Options: A. seminiferous tubules B. epithelium tubules C. interstitial tubules D. viviparous tubules Answer:
A
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Question: Hypersection by an endocrine gland is often caused by what? Options: A. calcium B. viruses C. inflammation D. tumor Answer:
D
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Question: Debroglie proposed in 1924 that any object exhibits a wavelength that is inversely proportional to its? Options: A. velocity B. frequency C. inertia D. momentum Answer:
D
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Question: The rise in greenhouse gases has what effect on the temperature of earth? Options: A. it drops B. more moderate C. no effect D. it increases Answer:
D
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Question: Honeybees doing the waggle dance or spiders spinning a web are examples of what type of behavior? Options: A. intuitive B. innate C. learned D. genuine Answer:
B
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Question: The spinal cord develops, cells making up the wall of the neural tube proliferate and differentiate into what? Options: A. jelly and glia B. neurons and glia C. muscles and glia D. membrane and glia Answer:
B
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Question: Pseudopods are temporary extensions of what? Options: A. the mucus B. the cytoplasm C. cytopods D. the cell wall Answer:
B
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Question: What is the scientific term for the dropping of leaves, fruits, and flowers, which led to the naming of an acid thought to play a role in the process? Options: A. ascorbition B. abscission C. affixation D. ablation Answer:
B
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Question: What structure connects the fetus to the placenta, allowing the exchange of gases? Options: A. belly button B. sediment cord C. skin cord D. umbilical cord Answer:
D
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Question: Animals that molt their exoskeletons belong to which clade? Options: A. spirogyra B. trichina C. ecdysozoa D. protists Answer:
C
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Question: Which disease causes cells to divide out of control Options: A. cancer B. mutation C. autoimmune diseases D. arthritis Answer:
A
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Question: Velocity is a vector that has both direction and what? Options: A. radiation B. latitude C. magnitude D. variable Answer:
C
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Question: Atoms of different elements can combine in simple whole number ratios to form what? Options: A. chemical compounds B. mixtures C. carbon compounds D. combinations Answer:
A
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Question: What are named for major physical or climatic features and for their predominant vegetation? Options: A. terrestrial biomes B. celestial bodies C. geological formations D. terrestrial substrates Answer:
A
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Question: What is the total number of codons? Options: A. 64 B. 68 C. 45 D. 51 Answer:
A
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Question: What kind of biome or climate might you find very close to the earth's poles, as well as up on high mountains? Options: A. desert B. tropical C. tundra D. taiga Answer:
C
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Question: Horny ridges on the jaws serve the same function as what, for turtles? Options: A. teeth B. skin C. taste buds D. hairs Answer:
A
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Question: Ionic bonds are formed between which ions? Options: A. with opposite charges B. with random charges C. with the same charges D. with multiple charges Answer:
A
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Question: Lactose intolerance is a condition characterized by indigestion caused by this? Options: A. pasteurized products B. raw products C. fried products D. dairy products Answer:
D
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Question: Almost all earthquakes occur at which place? Options: A. plate boundaries B. land boundaries C. continental shelf D. mountains Answer:
A
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Question: Bone marrow is found inside many bones and produces what? Options: A. sugar B. lymphocytes C. apoptosis D. tumors Answer:
B
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Question: Root systems are mainly of two types. dicots have a tap root system, while monocots have a what? Options: A. attaching root system B. runner root system C. long root system D. fibrous root system Answer:
D
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Question: The various sensory organs are part of what organ system? Options: A. digestive B. nervous C. respiratory D. lymphatic Answer:
B
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Question: What historical event taught people that soil could be lost by plowing and growing crops and encouraged new methods to prevent erosion? Options: A. the flow bowl B. the dust bowl C. the debris bowl D. the land bowl Answer:
B
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Question: What part of the cell does cellular respiration occur? Options: A. proton B. mitochondria C. nuclei D. glucose Answer:
B
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Question: What law states that matter cannot be created or destroyed? Options: A. construct of energy B. conservation of energy C. Murphy's Law D. law of inertia Answer:
B
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Question: Because they are charged (polar), these ions do not diffuse through what? Options: A. substrate B. cell wall C. membrane D. protein Answer:
C
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Question: Attraction of a material by a magnet is an example of what type of property? Options: A. thermal B. chemical C. transitive D. physical Answer:
D
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Question: The majoirty of modern gymnosperms belong to what group, which includes pine trees? Options: A. clusters B. Pinophytes C. stems D. conifers Answer:
D
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Question: These resources can be remade quickly, through natural processes Options: A. non-renewable B. renewable C. electric D. fossil fuel Answer:
B
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Question: What organizational tool, arguably the best in all of science, lists all the known chemical elements, arranged by atomic number? Options: A. tide table B. spreadsheet C. periodic table D. logic table Answer:
C
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Question: What is a mass spectrometer used to measure? Options: A. subatomic masses B. relative atomic masses C. partial atomic masses D. optical atomic masses Answer:
B
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Question: Distinguishing between homology and analogy is critical in reconstructing what? Options: A. residues B. proteases C. phylums D. phylogenies Answer:
D
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Question: Where is urine formed in the body? Options: A. the liver B. the kidneys C. the pancreas D. the lungs Answer:
B
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Question: Convection is the transfer of thermal energy by particles moving through what? Options: A. fluid B. tissue C. Solid D. Metal Answer:
A
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Question: Cross-pollination—or out-crossing—leads to greater genetic diversity because the microgametophyte and megagametophyte are derived from what? Options: A. different plants B. the same plant C. dead plants D. the same species Answer:
A
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Question: What is the main greenhouse gas causing global warming? Options: A. carbon monoxide B. carbon dioxide C. nitrogen D. sulfur Answer:
B
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Question: What is the type of cell division that produces gametes? Options: A. mitosis B. electrolysis C. budding D. meiosis Answer:
D
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Question: Animals that defend their area are generally known as what kinds of animals? Options: A. territorial B. neutral C. carnivores D. mutants Answer:
A
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Question: What is the term for a series of biochemical reactions by which an organism converts a given reactant to a specific end product? Options: A. direct pathway B. internal pathway C. metabolic pathway D. hydrogen pathway Answer:
C
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Question: What are the secretions released by the endocrine glands called? Options: A. fluids B. enzymes C. hormones D. acids Answer:
C