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Question: If heat is released by the system into the surroundings, a chemical reaction or physical change is called what? Options: A. exothermic B. endothermic C. biochemical D. static Answer:
A
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Question: What do you call the electrons in the outer energy level of an atom that are involved in chemical bonds? Options: A. valence electrons B. transitions electrons C. helium electrons D. force electrons Answer:
A
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Question: Where does mechanical digestion begin? Options: A. mouth B. brain C. stomach D. intestines Answer:
A
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Question: What part of vertebrates integrates the endocrine and nervous systems? Options: A. the forebrain B. the cerebellum C. the notochord D. the hypothalamus Answer:
D
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Question: What is used to report the results of scientific measurements? Options: A. si units B. latin units C. bi units D. los units Answer:
A
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Question: Why are noninfectious diseases not contagious? Options: A. they are inherited B. non-pathogen caused C. they are viral D. they are contagious Answer:
B
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Question: What is the name for biochemical compounds that consist of one or more chains of small molecules called amino acids? Options: A. proteins B. lipids C. protons D. hormones Answer:
A
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Question: What is the term for the strength of an acid or base? Options: A. texture B. acidity C. pH D. carbon Answer:
B
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Question: What has high surface tension because of extensive hydrogen bonding? Options: A. hydrocarbons B. gases C. water D. air Answer:
C
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Question: Mercury looks a lot like earth's moon. why do you think it does? both have been struck by a lot of what? Options: A. particles B. waves C. floods D. asteroids Answer:
D
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Question: The temperature dependence of solubility can be exploited to prepare what solutions of certain compounds? Options: A. mineralized B. supersaturated C. instantiated D. isolated Answer:
B
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Question: In a single-celled organism such as chlamydomonas, there is no what after fertilization? Options: A. mitosis B. spawning C. meiosis D. germination Answer:
A
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Question: What type of covalent bond is a covalent bond in which the bonding electrons are shared equally between the two atoms? Options: A. polar B. nonpolar C. ionic D. acidic Answer:
B
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Question: The temperature of an object is a measure of what type of energy? Options: A. chemical B. magnetic C. thermal D. density Answer:
C
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Question: What common sea creature can be both awake and asleep at the same time? Options: A. Whales B. sharks C. reefs D. dolphins Answer:
D
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Question: The superior vena cava and the inferior vena cava are veins that return blood lacking what to the heart? Options: A. carbon dioxide B. nitrogen C. oxygen D. hemoglobin Answer:
C
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Question: What helps screen libraries for a gene of interest using nucleic acid hybridization? Options: A. nucleic acid probe B. proteins acid probe C. mitochondrial acid probe D. cellular acid probe Answer:
A
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Question: What is the distance that sound waves travel in a given amount of time called? Options: A. velocity of sound B. momentum of sound C. force of sound D. speed of sound Answer:
D
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Question: Which two atoms are found in most organic compounds? Options: A. potassium and carbon B. hydrogen and magnesium C. magnesium and carbon D. hydrogen and carbon Answer:
D
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Question: Where does most of the sound we hear travel through? Options: A. light B. the ground C. air D. water Answer:
C
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Question: What have cell-surface antigen receptors for foreign molecules? Options: A. lymphocytes B. erythrocytes C. dendrites D. capillaries Answer:
A
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Question: What is the first stage of cellular respiration? Options: A. gluconeogenesis B. glycolysis C. decarboxylation D. Krebs cycle Answer:
B
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Question: What are one of the most abundant organic molecules in living systems and have the most diverse range of functions of all macromolecules? Options: A. carbons B. cells C. acids D. proteins Answer:
D
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Question: The human heart is located within what cavity? Options: A. pelvic B. abdominal C. thoracic D. spinal Answer:
C
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Question: The cell walls of what organisms are strengthened by chitin, unlike plant cell walls, which contain cellulose? Options: A. fungi B. bacterium C. virus D. yeast Answer:
A
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Question: What is the main source of hydrocarbons? Options: A. photosynthesis B. greenhouse gases C. fossil fuels D. decomposers Answer:
C
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Question: What happens to most of the energy in a trophic level as it passes to the next higher level? Options: A. it stays the same B. it is transferred C. it is lost D. it increases Answer:
C
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Question: What effect causes an object to appear to have a change of motion? Options: A. coriolis effect B. momentum effect C. centrifugal effect D. resonant effect Answer:
A
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Question: Herbivores and omnivores have longer alimentary canals compared to what? Options: A. mammals B. centipedes C. carnivores D. arthropods Answer:
C
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Question: Name a carbonyl in which the carbon atom is bonded to one carbon atom and one hydrogen atom (or two hydrogen atoms). Options: A. aldehyde B. ketone C. ester D. acetylcholine Answer:
A
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Question: How much larger can the most powerful light microscropes make an image? Options: A. 10 times B. 100 times C. 2000 times D. 500 times Answer:
C
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Question: What term describes waves that transfer energy through matter? Options: A. mechanical waves B. energy currents C. mechanical currents D. temperature waves Answer:
A
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Question: What component of an organism, made up of many cells, in turn makes up an organ? Options: A. molecules B. tissues C. epidermis D. muscles Answer:
B
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Question: Which system consists of all the bones of the body? Options: A. circulatory system B. skeletal system C. digestive system D. nervous system Answer:
B
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Question: What are the three most common elements in the air we breathe? Options: A. argon, oxygen, hydrogen B. nitrogen, oxygen and argon C. oxygen, nitrogen, H20 D. nitrogen, argon, hydrogen Answer:
B
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Question: Gasoline, natural gas, fuel oil, diesel fuel, jet fuel, coal, kerosene, and propane are examples of what type of fule? Options: A. nuclear fue B. polymerization fuel C. hydrocarbon fuel D. electrolysis fuel Answer:
C
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Question: In the nasal cavity, what 2 things trap particles from incoming air? Options: A. mucus and hair B. saliva and hair C. mucus and skin D. phlegm and hair Answer:
A
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Question: What is the term for volcanic mudflows? Options: A. rivers B. lahars C. cones D. plumes Answer:
B
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Question: Gradual degradation of a material due to its exposure to the environment is known as what? Options: A. metabolism B. corrosion C. erosion D. destruction Answer:
B
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Question: When you are walking on a sidewalk, what occurs between your shoes and the concrete each time you put down your foot? Options: A. progress B. static friction C. grip D. movement Answer:
B
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Question: How does lysozyme destroy bacteria? Options: A. by eating them B. by paralyzing them C. by antibiotic use D. by digesting their cell walls Answer:
D
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Question: What is a measure that has both size and direction? Options: A. vector B. wave C. length D. velocity Answer:
A
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Question: What organelles do animal cells use to convert food into energy? Options: A. nucleus B. flagellum C. endoplasmic reticulum D. mitochondria Answer:
D
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Question: What effect does tamiflu have on viruses and cells? Options: A. reprograms viruses B. destroys all viruses C. enhances cells D. inhibits spread of virus Answer:
D
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Question: What waves require a material medium such as water, air, or rope? Options: A. electromagnetic B. potential C. mechanical D. light Answer:
C
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Question: A species is a subdivision of a genus in what classification system? Options: A. calcareous system B. crocodilian system C. linnaean system D. mammalian Answer:
C
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Question: Where do biochemical reactions occer? Options: A. in the environment B. inside organisms C. inside labs D. outside organisms Answer:
B
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Question: Modern plants reflect what kind of changes that have occurred over many, many years? Options: A. tissue changes B. tendency changes C. unknown changes D. evolutionary changes Answer:
D
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Question: What is the radioactive process used in nuclear power plants and one type of nuclear bomb? Options: A. fusion B. decay C. radiation D. fission Answer:
D
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Question: What do atoms make by rearranging their chemical bonds in a reactant? Options: A. compounds B. solutions C. products D. minerals Answer:
C
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Question: What occurs when nature reclaims areas formerly occupied by life? Options: A. secondary succession B. primary succession C. tertiary succession D. typical succession Answer:
A
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Question: What process, which results because of great pressure at the center of a star, causes stars to shine? Options: A. electric fusion B. energy fusion C. nuclear fusion D. gravitational pull Answer:
C
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Question: Plants generally transport carbohydrates from leaves to roots and other nonphotosynthetic organs in the form of what? Options: A. chloride B. glucose C. potassium D. sucrose Answer:
D
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Question: A circuit must be what in order for electric devices such as light bulbs to work? Options: A. down B. open C. closed D. cyclical Answer:
C
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Question: What fluid becomes less viscous, allowing for better joint function after stretching? Options: A. cranial B. synovial C. proximal D. vertebral Answer:
B
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Question: What does the pull of the moon's gravity on earth cause? Options: A. storms B. earthquakes C. waves D. tides Answer:
D
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Question: Some plants can detect increased levels of what when reflected from leaves of encroaching neighbors? Options: A. light B. air C. water D. oxygen Answer:
A
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Question: In what type of body of water is most of the earth's water located? Options: A. seas B. oceans C. rivers D. streams Answer:
B
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Question: What is captured by the sticky structure at the top of the style called the stigma? Options: A. pollen B. fungi C. sunlight D. precipitation Answer:
A
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Question: What is water vapor density known as? Options: A. ambiance B. humidity C. thickness D. density Answer:
B
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Question: Carbonic acid can dissociate into hydrogen carbonate ions and what? Options: A. electrons B. protons C. protons D. atoms Answer:
B
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Question: Norovirus causes the inflammation of the stomach and what else? Options: A. intestines B. muscles C. lungs D. liver Answer:
A
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Question: Correlation is different from what term that refers to the factor that is producing the effect? Options: A. causation B. differentiation C. manifestation D. correlation Answer:
A
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Question: The monosaccharide glucose is broken down through a series of enzyme-catalyzed reactions known as what? Options: A. Digestion B. Respiration C. photosynthesis D. glycolysis Answer:
D
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Question: What group of organisms was initially misclassified as plants because they also lack the ability to move, grow in soil, and have cell walls? Options: A. algae B. fungi C. gymnosperm D. protozoa Answer:
B
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Question: What is the name for groups of tens to hundreds of thousands of stars? Options: A. elliptical clusters B. nebuli C. globular clusters D. constellations Answer:
C
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Question: What is defined as the change of water from its liquid phase to its gaseous phase? Options: A. absorption B. evaporation C. condensation D. transpiration Answer:
B
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Question: Pulmonary ventilation in mammals occurs via what? Options: A. osmosis B. inflammation C. ingestion D. inhalation Answer:
D
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Question: What do we call structures that are similar in related organisms because they were inherited from a common ancestor? Options: A. homologous B. filamentous C. monogamous D. polylogous Answer:
A
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Question: Earthquake waves that travel trhough underground rocks in all directions are known as? Options: A. primary waves B. tertiary waves C. secondary waves D. typical waves Answer:
C
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Question: Chloroplasts and chromoplasts are examples of which membrane bound organelle containing their own dna? Options: A. chromosomes B. plastids C. polymers D. bacteria Answer:
B
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Question: What are secreted into the gi tract by organs of the gi tract or from a nearby gland named the pancreas? Options: A. bile B. digestive enzymes C. insulin and pepsin D. stomach acid Answer:
B
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Question: What class of animal, including hydras and jellies, is considered the simplest to contain a nervous system? Options: A. prokaryotes B. cnidarians C. fish D. sponges Answer:
B
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Question: When solvent molecules selectively pass through a membrane from a dilute solution to concentrated solution, what process is occurring? Options: A. plasmolysis B. diffusion C. osmosis D. active transport Answer:
C
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Question: What arteries carry oxygen-poor blood away from the heart to the lungs? Options: A. subclavian B. pulmonary C. aorta D. femoral Answer:
B
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Question: What group of animals are the largest arthropods? Options: A. insects B. fish C. spiders D. birds Answer:
A
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Question: Presence of a cell wall, large central vacuole, and organelles called plastids distinguish what type of cell? Options: A. heterotroph B. reproductive C. animal D. plant Answer:
D
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Question: Graphite and diamond both are made from carbon. what makes diamonds so hard? Options: A. weak atomic network B. strong light network C. strong metallic network D. strong atomic network Answer:
D
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Question: Two major types of fungus-like protists are slime molds and which other? Options: A. green molds B. black molds C. water molds D. foul molds Answer:
C
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Question: The rising and sinking of these can cause precipitation? Options: A. global air currents B. temporary air currents C. circular air currents D. underwater currents Answer:
A
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Question: Animals breath in air in order to obtain what element? Options: A. carbon B. nitrogen C. water D. oxygen Answer:
D
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Question: How many dimensions can humans see in? Options: A. five B. one C. three D. two Answer:
C
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Question: Signals from rods and cones can follow several different pathways in what structure of the eye? Options: A. lens B. aqueous humor C. aperture D. retina Answer:
D
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Question: A common age-related bone disease in which bone density and strength is decreased is know as what? Options: A. allergies B. osteoporosis C. fibrosis D. Stomach Answer:
B
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Question: Can nematodes be a parasite of plants, animals, or both? Options: A. neither B. animals C. both D. plants Answer:
C
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Question: The energy stored in the organic molecules of food ultimately comes from where? Options: A. sun B. ocean C. plant D. earth Answer:
A
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Question: Duplicated chromosomes are composed of two sister what? Options: A. karyotypes B. nucleotides C. eukaryotes D. chromatids Answer:
D
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Question: What do vaccines produce to combat viral diseases? Options: A. immunity B. hyperthyroidism C. sensitivity D. sterility Answer:
A
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Question: In the case of the wheelbarrow, the output force or load is between the pivot and the what? Options: A. input force B. velocity force C. density force D. Driving Force Answer:
A
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Question: What is the name of the system that consists of a hierarchy of taxa, from the kingdom to the species? Options: A. Bohr's law B. linnaean system C. Mendelian system D. zoology Answer:
B
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Question: What is an individual living creature called? Options: A. species B. organism C. protist D. amino Answer:
B
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Question: What is another name for trisomy 21? Options: A. Fragile X B. cystic fibrosis C. down syndrome D. Tay-Sachs Disease Answer:
C
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Question: What is the process by which the substances you consume are taken up by the blood? Options: A. digestion B. filtration C. absorption D. evaporation Answer:
C
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Question: What kind of reproduction generates most of the genetic variation that makes evolutionary adaptation possible? Options: A. asexual reproduction B. sexual reproduction C. cloning D. synthetic reproduction Answer:
B
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Question: What is the name for medical doctors that specialize in the diagnosis and treatment of diseases of the heart? Options: A. Doctors B. physicists C. cardiologists D. surgeons Answer:
C
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Question: What term is used to describe the development of new technology? Options: A. technological design B. technological expansion C. mechanical engineering D. industrial design Answer:
A
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Question: Thylakoid membranes contain molecules of what green pigment used in photosynthesis? Options: A. carbonate B. chlorophyll C. sodium D. copper Answer:
B
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Question: Opportunistic diseases are usually the direct cause of death of people with what disease? Options: A. aids B. liver C. heart D. parkinson Answer:
A
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Question: What is the body system that digests food mechanically and chemically and absorbs nutrients? Options: A. internal system B. metabolism system C. digestive system D. ingestion system Answer:
C
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Question: What guards the opening between the right atrium and the right ventricle? Options: A. aorta B. superior vena cava C. brachiocephalic trunk D. tricuspid valve Answer:
D