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Question: Ac is better than dc for doing what? Options: A. transporting electrcal energy B. stopping electrical ebergy C. storing electrical energy D. cooking electrcal energy Answer:
A
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Question: What is the name of the small bumps that contain taste buds and covers the tongue? Options: A. papillae B. palatine tonsils C. cuticle D. lingual tonsils Answer:
A
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Question: Because the solute is moving down the concentration gradient, and no input of energy is required, facilitated diffusion is considered what type of transport? Options: A. neutral B. active C. adaptive D. passive Answer:
D
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Question: How many chromosomes do bacterial dna have? Options: A. one triangular chromosome B. one simple chromosome C. one circular chromosome D. one rectangular chromosome Answer:
C
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Question: Compounds that contain mainly the elements carbon and hydrogen are called what kind of compounds? Options: A. microscopic compounds B. organic compounds C. reactive compounds D. natural compounds Answer:
B
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Question: What is the approximate population on the earth? Options: A. 7.3 billion B. 7 billion C. 41 billion D. 9 trillion Answer:
B
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Question: What is the measure of the force of gravity pulling down on an object called? Options: A. weight B. factor C. mass D. volume Answer:
A
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Question: What do osteoclasts do to bone? Options: A. build it up B. strengthen it C. break it down D. lengthen it Answer:
C
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Question: What is the term for the transfer of heat by a current? Options: A. conduction B. radiation C. convection D. diffusion Answer:
C
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Question: What is the process called when secretory cells export products? Options: A. endocytosis B. exocytosis C. morphogenesis D. isolation Answer:
B
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Question: Telescopes use which kind of lenses to enlarge images? Options: A. concave B. spherical C. convex D. crystalline Answer:
C
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Question: What are oil in folded layers of rock called? Options: A. anticlines B. macroparticle C. dendrites D. oscillations Answer:
A
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Question: The primary application of biotechnology is in what field? Options: A. physics B. medicine C. chemistry D. psychology Answer:
B
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Question: What term, calculated by multiplying heart contractions by stroke volume, means the volume of blood pumped by the heart in one minute? Options: A. blood output B. liver output C. respiratory output D. cardiac output Answer:
D
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Question: In mammals, sound waves are collected by the external, cartilaginous part of the ear called the pinna, then travel through the auditory canal and cause vibration of the thin diaphragm called the tympanum or this? Options: A. ear drum B. head drum C. microphone drum D. speaker drum Answer:
A
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Question: Ions are charged what? Options: A. atoms B. protons C. molecules D. isotopes Answer:
A
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Question: Liquids that mix with each other in all proportions are said to be miscible, maning they have infinite mutual what? Options: A. viscosity B. solubility C. salinity D. insolubility Answer:
B
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Question: Water seeps into the ground through permeable material and stops when it reaches what? Options: A. impermeable rock B. Bed Rock C. Lava D. Coral Answer:
A
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Question: What do you call something that controls the uptake of water or another substance in the environment, in order to maintain constant internal conditions? Options: A. protozoans B. sporozoans C. osmoregulators D. osmoconformers Answer:
C
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Question: What is considered to be the control center for homeostatic mechanisms? Options: A. adrenal cortex B. hypothalamus C. hippocampus D. thyroid Answer:
B
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Question: Tropical rainforests are an example of a climate that occurs near what? Options: A. equator B. tundras C. deserts D. poles Answer:
A
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Question: What type of lenses can correct myopia? Options: A. polarized lenses B. concave lenses C. convex lenses D. diffusion lenses Answer:
B
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Question: Leaving tampons in for too long can put you at risk of what syndrome? Options: A. toxic shock B. Vaginismis C. Scalded Skin Syndrome D. Endometrial Cancer Answer:
A
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Question: What is produced by the reaction of metal oxide with water? Options: A. hydrogen gas B. heat energy C. soluble metal hydroxides D. rust Answer:
C
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Question: If a sperm fertilizes an egg of a seed plant, the zygote grows into what? Options: A. homostatic embyro B. progeny embryo C. pulsation embryo D. sporophyte embryo Answer:
D
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Question: What are the areas between cells that either allow or prevent the movement of materials called? Options: A. receptors B. corners C. junctions D. sections Answer:
C
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Question: Tropical rainforest, temperate grassland, and tundra are examples of what type of biomes? Options: A. atmospheric B. terrestrial C. oceanic D. horizontal Answer:
B
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Question: The chemical and/or physical agents that cause mutations are called what? Options: A. mutagens B. organelles C. genes D. dioxins Answer:
A
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Question: Crystallization separates mixtures based on differences in what, which usually increases with temperature? Options: A. solubility B. viscosity C. humidity D. density Answer:
A
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Question: What rises through solid rocks where conditions are right? Options: A. magma B. nitrogen C. water D. crystals Answer:
A
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Question: What kind of weather change do la nina years usually bring? Options: A. Mass amounts of snow B. drought C. heat D. moisture Answer:
B
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Question: What type of disease is caused by pathogens? Options: A. autoimmune diseases B. infectious diseases C. viral diseases D. nervous diseases Answer:
B
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Question: What can be calculated given the mass and speed of an object? Options: A. kinetic energy B. harmonic energy C. systematic energy D. residual energy Answer:
A
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Question: If force is applied further away from a pivot point, than what kind of acceleration will be greater? Options: A. parameters B. angular C. rectangular D. circular Answer:
B
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Question: What is the motion that moves the forearm from the supinated position to the pronated position? Options: A. pronation B. flexion C. extension D. supination Answer:
A
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Question: Chlorophylls and carotenoids are the two major classes of pigments associated with what process and found in plants and algae? Options: A. mitosis B. glycolysis C. photosynthesis D. osmosis Answer:
C
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Question: All of the populations that live in the same area make up what type of group, which includes populations of different organisms? Options: A. hive B. environment C. colony D. community Answer:
D
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Question: What travels at the interface between the sea surface and the atmosphere? Options: A. ocean tides B. ocean currents C. ocean breeze D. ocean waves Answer:
D
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Question: What is needed to provide cells with the oxygen they need for cellular respiration? Options: A. vascular tissue B. passive transport C. gas exchange D. photosynthesis Answer:
C
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Question: When does most amphibians' parenting end? Options: A. once eggs have been laid B. once offspring reach adulthood C. after adolescence D. never Answer:
A
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Question: Water seeping into the ground is known as? Options: A. invasion B. infiltration C. accumulation D. precipitation Answer:
B
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Question: The state of matter - solid, liquid, or gas - is also considered what type of property? Options: A. physical B. mechanical C. thermal D. chemical Answer:
A
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Question: Inducible enzymes usually function in what type of pathways? Options: A. catabolic B. enzymatic C. anabolic D. biogenic Answer:
A
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Question: What type of experiment involves two identical experiments carried out side-by-side, with and without an independent variable? Options: A. controlled experiment B. blind test C. defined experiment D. trial run Answer:
A
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Question: What is the number of protons in the nucleus? Options: A. atomic mass B. metallic number C. atomic number D. element Answer:
C
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Question: What chemical signals in plants control different processes? Options: A. produce hormones B. plant hormones C. Human Hormones D. nitrogen hormones Answer:
B
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Question: What type of logic can lead to important conclusions from the collecting and analyzing of observations? Options: A. inductive reasoning B. gravitational reasoning C. primitive reasoning D. conductive reasoning Answer:
A
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Question: Evolution occurs by what process whereby better-adapted members pass along their traits, according to darwin? Options: A. natural change B. spontaneous variation C. organic selection D. natural selection Answer:
D
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Question: Red blood cells, white blood cells and what other cell is found in blood? Options: A. plasma cells B. hemoglobin C. antibodies D. platelets Answer:
D
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Question: Which water from the equator mixes with cold water from the poles? Options: A. warm B. spring water C. hot D. ice water Answer:
A
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Question: Monosaccharides, particularly glucose, are major nutrients for what? Options: A. photosynthesis B. cells C. lipids D. proteins Answer:
B
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Question: Another name for table salt is? Options: A. hydrogen chloride B. sodium chloride C. carbon chloride D. dioxide chloride Answer:
B
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Question: Phospholipids and some proteins move laterally within what? Options: A. nuclei B. membrane C. particles D. liquids Answer:
B
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Question: What are the specialized building blocks of your body? Options: A. muscles B. proteins C. tissues D. cells Answer:
D
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Question: How many variables are used to describe the condition of a gas? Options: A. three B. five C. four D. one Answer:
C
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Question: How do seed plants benefit from herbivores? Options: A. rainfall of seeds B. consumption of seeds C. radiation of seeds D. dispersal of seeds Answer:
D
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Question: Sodium is an example of what sort of thing that cannot exist by itself in nature? Options: A. element B. compound C. aspect D. concept Answer:
A
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Question: The nitrogen cycle includes air, soil, and what? Options: A. heat B. living things C. water D. decomposers Answer:
B
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Question: What term describes the splitting of the nucleus of an atom into two smaller nuclei? Options: A. atomic reaction B. nuclean fusion C. critical fission D. nuclear fission Answer:
D
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Question: Which infection of multicellular eukaryotes is usually limited to particular tissues? Options: A. bacterial B. digestive C. viral D. parasites Answer:
C
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Question: What is the average number of individuals per unit of area or volume called? Options: A. population count B. crowdedness C. population structure D. population density Answer:
D
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Question: What helps frogs swim during the tadpole phase? Options: A. fins B. cilia C. a tail D. flagella Answer:
C
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Question: When water is heated by magma and makes it's way to the surface what is created? Options: A. trough B. geyser C. volcanic D. eruption Answer:
B
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Question: The earth is tilted on its what? Options: A. axis B. radius C. top D. compass Answer:
A
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Question: What kind of molecule is made from one or more long chains of amino acids? Options: A. amino molecule B. protein molecule C. chain molecule D. membrane molecule Answer:
B
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Question: Because arthropod appendages are jointed, they can do what? Options: A. rotate B. eat C. bend D. fly Answer:
C
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Question: What is the skin of most reptiles covered with? Options: A. pores B. hairs C. scales D. cuticle Answer:
C
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Question: What occurs during the new moon and full moon, due to gravitational pull? Options: A. spring storms B. spring tides C. spring waves D. spring floods Answer:
B
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Question: In what type of population do allele and genotype frequencies not change over time? Options: A. inequilibrium population B. saturation population C. shape population D. equilibrium population Answer:
D
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Question: Different types of interference include destructive and what else? Options: A. constructive B. helpful C. active D. consistent Answer:
A
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Question: What is the height above or below sea level called? Options: A. elevation B. variation C. depth D. latitude Answer:
A
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Question: What astronomical phenomenon, formed of split asteroids or planetary rocks, provides clues about our solar system? Options: A. meteorites B. comets C. galaxies D. stars Answer:
A
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Question: The vagina connects to which internal organ? Options: A. valves B. artery C. ovaries D. uterus Answer:
D
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Question: What kind of organism causes the often fatal lung disease tuberculosis? Options: A. bacteria B. pathogens C. algae D. virus Answer:
A
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Question: What is the dominant form of plant life in most terrestrial ecosystems, comprising about 90 percent of all plant species? Options: A. bryophytes B. angiosperms C. pteridophytes D. gymnosperms Answer:
B
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Question: The pulmonary artery carries deoxygenated blood into the lungs from this? Options: A. brain B. heart C. legs D. bladder Answer:
B
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Question: What are the 2 primary hosts of ebola in central africa? Options: A. apes and bats B. apes and hippos C. lions and elephants D. hyenas and apes Answer:
A
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Question: Kilauea in hawaii is the world’s most continuously active volcano. very active volcanoes characteristically eject red-hot rocks and lava rather than this? Options: A. smoke and ash B. carbon and smog C. magma D. greenhouse gases Answer:
A
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Question: The rate of evolution is influenced by the rate of changes to what? Options: A. dna B. the earth C. migration D. the environment Answer:
D
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Question: In what do a roundworm's eggs pass from host to the environment? Options: A. mouth B. feces C. arms D. skin Answer:
B
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Question: What are the proteins called that speed up biochemical reactions in cells? Options: A. enzymes B. carbohydrates C. hormones D. peptides Answer:
A
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Question: What is the opening in the front of the eye called? Options: A. lens B. cornea C. pupil D. iris Answer:
C
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Question: What do tube worms rely on for food? Options: A. sponges microorganisms B. chemosynthetic microorganisms C. lentiviruses microorganisms D. fatty microorganisms Answer:
B
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Question: What occurs when the immune system reacts to substances in food as though they were harmful “foreign invaders"? Options: A. food allergies B. vomiting C. food antibodies D. food poisoning Answer:
A
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Question: What type of waves are the slowest of all seismic waves? Options: A. thick waves B. core waves C. central waves D. surface waves Answer:
D
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Question: What occurs in a population when its allele frequencies change over time? Options: A. evolution B. generation C. variation D. extinction Answer:
A
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Question: Where do two tributaries come together at? Options: A. confluence B. stream C. snake D. axis Answer:
A
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Question: If a substance does not release molecules into the air from its surface, it will not have what? Options: A. smell B. temperature C. color D. taste Answer:
A
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Question: What science is the study of the shape and arrangement of cells in tissue? Options: A. histology B. genetics C. methodology D. cellology Answer:
A
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Question: Nonvascular plants lack vascular tissue and what? Options: A. cytoplasm B. seeds C. cells D. chlorophyll Answer:
B
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Question: Both fluorine and lithium are highly reactive elements because of their number of what? Options: A. valence electrons B. covalence electrons C. shell electrons D. positrons Answer:
A
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Question: What is the name of a joint in which one bone rotates in relation to another bone? Options: A. ball and socket B. hinge C. gliding D. pivot joint Answer:
D
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Question: What are the two terms that designate how well aqueous solutions conduct electricity? Options: A. filter and nonpolar B. polar and nonpolar C. secular and nonpolar D. hot and nonpolar Answer:
B
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Question: The prostate gland secretes a fluid that mixes with sperm to help form what? Options: A. urine B. semen C. testosterone D. hormone Answer:
B
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Question: What makes blue cheese blue? Options: A. rot B. rennit C. fungus D. mites Answer:
C
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Question: Why does a metal spoon heat up quickly when placed in a hot drink? Options: A. insulation B. high specific heat C. low specific heat D. convection Answer:
C
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Question: They had demonstrated that particles smaller than bacteria cause what? Options: A. flight B. disease C. blood D. damage Answer:
B
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Question: In what part of the carbon cycle does carbon move between living things and the air? Options: A. endothermic cycle B. abdaspac cycle C. envelop cycle D. biotic cycle Answer:
D
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Question: What is the process in which one cell divides to form two new cells called? Options: A. Cell Formation B. cell direction C. cell contribution D. cell division Answer:
D
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Question: Which is the best way to maintain a strong, fit body? Options: A. bodybuilding B. regular exercising C. a healthy diet D. being a vegetarian Answer:
C