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Question: Diarrhea due to food poisoning is an example of a problem involving what organ system? Options: A. muscular system B. digestive system C. lung system D. skeletal system Answer:
B
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Question: The milky way galaxy is which shape type of galaxy? Options: A. helical B. spherical C. cylindrical D. spiral Answer:
D
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Question: What rate is generally higher for endotherms than for ectotherms? Options: A. metabolic B. reproduction C. respiration D. mortality Answer:
A
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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. drone D. male Answer:
B
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Question: Where does photosynthesis occur in plants? Options: A. golgi bodies B. in chloroplasts C. nucleus D. cell membrane Answer:
B
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Question: Particles of different densities exert different amounts of what? Options: A. pressure B. energy C. force D. resistance Answer:
A
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Question: Strength, the ability of a muscle to use force during a contraction, differs from what term meaning the ability of a muscle to continue to contract over time without getting tired? Options: A. recovery B. endurance C. resilience D. energy Answer:
B
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Question: One gram of proteins provides how many calories of energy? Options: A. two B. zero C. eight D. four Answer:
D
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Question: The hydroxyl radical is highly reactive because it has what? Options: A. unpaired electron B. unpaired neutron C. paired electron D. paired proton Answer:
A
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Question: What does blood pickup from the lungs to be carried throughout the rest of the body? Options: A. carbon B. oxygen C. platelets D. white blood cells Answer:
B
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Question: Salts that are neither acidic nor basic do not affect what property of the solution when dissolved in water? Options: A. homeostasis B. density C. saturation D. ph Answer:
D
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Question: What are the two basic parts that all flowering plants have in common? Options: A. leaf and petiole B. stalk and petiole C. blade and petiole D. metal and petiole Answer:
C
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Question: Saliva can carry the hiv virus, but it won't spread it, unless the saliva gets into what? Options: A. lungs B. bloodstream C. liver D. kidneys Answer:
B
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Question: What are the three types of isomers? Options: A. structural, cis-trans, enatiomers B. structural, cis-trans, Polystyrene C. structural, Polypropylene , enatiomers D. structural , chromosome - trans , enatiomers Answer:
A
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Question: Earth rotates on its axis once each day and revolves around the sun how often? Options: A. ever 3 years B. once each month C. once each year D. every other year Answer:
C
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Question: What describes how close an estimate is to a known standard? Options: A. frequency B. diversity C. hypothesis D. accuracy Answer:
D
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Question: Overproduction of offspring, combined with limited resources, results in what? Options: A. competition B. contention C. continuation D. concentration Answer:
A
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Question: As adults, amphibians are completely _______, meaning they feed on other animals. Options: A. omnivorous B. monogamous C. carnivorous D. herbivorous Answer:
C
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Question: What line of latitude is an equal distance from both the north and south poles? Options: A. mid-part B. divider C. equator D. meridian Answer:
C
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Question: The sun gives off energy in tiny packets called what? Options: A. atoms B. electrons C. photons D. ions Answer:
C
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Question: What is the process in which producers get their energy from sources other than the sun? Options: A. electrolysis B. chemosynthesis C. phototropism D. biosynthesis Answer:
B
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Question: Protein molecules are made up of chains of small molecules made up of what kinds of acids? Options: A. mutation acids B. amino acids C. hydrochloric acids D. rna acids Answer:
B
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Question: What are basic tools of the cell for organizing metabolism, transport, and storage of molecules? Options: A. membranes B. vesicles C. tissues D. vacuoles Answer:
B
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Question: What provides the shape of a cell? Options: A. cellulose B. cytoskeleton C. nucleus D. cytoplasm Answer:
B
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Question: What acids are the structural components of many lipids and may be saturated or unsaturated? Options: A. fundamental acids B. ionic acids C. carbonic acids D. fatty acids Answer:
D
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Question: Fertilization occurs when what material from one flower reaches the female gametes in the same or a different flower? Options: A. pollen B. nitrogen C. sperm D. ova Answer:
A
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Question: What shape are the eight sides of an octahedra? Options: A. square B. rectangles C. hexagon D. triangles Answer:
D
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Question: What are most fresh fruits, vegetables, whole grains rich in? Options: A. cholesterol B. cellulose C. magnesium D. calcium Answer:
B
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Question: Much of what type of radiation that strikes the planet is reflected back into space? Options: A. magentic radiation B. solar radiation C. gamma rays D. microwaves Answer:
B
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Question: Although surface waves are slowest, they do most of the damage of what event? Options: A. tsunami B. earthquake C. volcano D. hurricane Answer:
B
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Question: What lizards can change colors based on the color of their surroundings? Options: A. geckos B. skink C. chameleons D. Monitor Answer:
C
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Question: A genetic molecule is called dna, which stands for this? Options: A. dark nitrogen amine B. dense ribonucleic acid C. di-nitrous ammonia D. deoxyribonucleic acid Answer:
D
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Question: A closed loop through which a current can flow is called what? Options: A. cooling circuit B. powered circuit C. charged circuit D. electric circuit Answer:
D
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Question: Melting points are temperatures that are high enough to separate liquids from which substances? Options: A. seeds B. oils C. gases D. solids Answer:
D
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Question: What is the greek word meaning "to help make things easier"? Options: A. mode B. battery C. machine D. toy Answer:
C
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Question: Over many generations, the resulting genetic diversity provides valuable raw material for what? Options: A. natural selection B. intelligent selection C. coral selection D. characteristic selection Answer:
A
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Question: What occurs when organisms acquire and pass on new traits from one generation to the next generation? Options: A. phenomenon B. evolution C. variation D. birth Answer:
B
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Question: What part of the ear is often described as a bony labyrinth? Options: A. solid ear B. inner ear C. outer ear D. embedded ear Answer:
B
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Question: The speed of an electromagnetic wave is the product of its wavelength and what else? Options: A. height B. resonance C. frequency D. density Answer:
C
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Question: Why does the fish odour diminish when you put lemon juice over cooked fish? Options: A. due to oxidation B. due to neutralization C. due to evaporation D. due to acidification Answer:
B
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Question: Besides the concentration of dissolve oxygen and nutrients in the water, what other factor limits aquatic organisms? Options: A. lake size B. temperature C. availability of sunlight D. rainfall Answer:
C
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Question: Sweating and panting are methods mammals use for what purpose? Options: A. sleeping B. staying alert C. staying cool D. staying warm Answer:
C
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Question: Which part of the brain secretes hormones that tell the pituitary gland either to secrete or to stop secreting its hormones? Options: A. cerebrum B. thalamus C. hippocampus D. hypothalamus Answer:
D
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Question: What are different versions of a gene known as? Options: A. ion B. genomes C. alleles D. modes Answer:
C
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Question: What encloses and defines the borders of cells? Options: A. artificial membranes B. plasma membranes C. cells membranes D. clear membranes Answer:
B
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Question: What substances contained in lemons, vinegar, and sour candies have a sour taste? Options: A. fats B. proteins C. acids D. lactose Answer:
C
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Question: Bubbles in bread dough are created by what gas produced during alcoholic fermentation? Options: A. acid dioxide B. yeast dioxide C. combustion dioxide D. carbon dioxide Answer:
D
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Question: Timber, obtained from trees that can be replanted to replace those that are cut down, is an example of what type of resource? Options: A. nonrenewable B. renewable C. fossil fuel D. mineral Answer:
B
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Question: How many layers of phospholipids does the cell membrane contain? Options: A. four B. two C. five D. three Answer:
B
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Question: The amniotes are distinguished from amphibians by the presence of a terrestrially adapted egg protected by what? Options: A. albumen B. amniotic membranes C. yolk D. hard shell Answer:
B
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Question: What does the aqueous fluid between the chloroplast membrane and the grana known as? Options: A. plasma B. blood C. stroma D. water Answer:
C
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Question: The rate of evaporation depends only on the surface area of the liquid and is essentially constant. the rate of condensation depends on the number of molecules in the vapor phase and increases steadily until it equals the rate of this? Options: A. absorption B. evaporation C. accumulation D. condensation Answer:
B
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Question: What are some of the giant fairy rings produced by? Options: A. algae B. sporangia C. fronds D. mycelia Answer:
D
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Question: Intrusive igneous rocks cool from magma slowly in the crust and have large what? Options: A. pores B. coal deposits C. atoms D. crystals Answer:
D
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Question: Antibiotic drugs are usually effective in treating what kind of infections? Options: A. lethal B. biological C. viral D. bacterial Answer:
D
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Question: What kind of behavior occurs only after experience or practice? Options: A. memory B. instinctive behavior C. juvenile behavior D. learned behavior Answer:
D
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Question: Although humans require it, what accounts for just one percent of all water on earth? Options: A. snow B. salt water C. glaciers D. fresh water Answer:
D
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Question: What makes a complete orbit around the earth once every 29 1/2 days? Options: A. Mars B. Gemini C. the moon D. the Sun Answer:
C
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Question: In 1802, charles and gay-lussac both proposed that for a fixed amount of gas at a constant pressure, what is directly proportional to its absolute temperature? Options: A. air B. density C. liquid D. volume Answer:
D
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Question: Obligate anaerobes live and grow in the absence of what? Options: A. molecular nitrogen B. atomic oxygen C. molecular carbon D. molecular oxygen Answer:
D
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Question: When exposed to ultraviolet, some substances, such as minerals, glow in characteristic visible wavelengths, a process called this? Options: A. fluorescence B. pigment C. chemical reaction D. plasma Answer:
A
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Question: Which type of tree loses its leaves each fall and remains leafless in the winter? Options: A. conifer B. perennial C. deciduous D. annual Answer:
C
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Question: What is the“packet” of energy called that the nucleus emits during gamma decay? Options: A. gamma particle B. transient particle C. radioactive particle D. ultraviolet particle Answer:
A
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Question: What navigation technology works on the same principle as echolocation? Options: A. radar B. GPS C. topography D. sonar Answer:
D
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Question: What term means the minimum energy required in order for a collision between molecules to result in a chemical reaction? Options: A. solar energy B. activation energy C. maximum energy D. depletion energy Answer:
B
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Question: Why is the life cycle of plants so complex? Options: A. pollination process B. asexual reproduction C. metamorphosis D. alternation of generation Answer:
D
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Question: What does the thymus gland produce? Options: A. b cells B. insulin C. t cells D. hormones Answer:
C
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Question: All cells undergo what during a lifetime, but when this process is out of control, cancer results? Options: A. cell division B. cell death C. cell transition D. cell mutation Answer:
A
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Question: Which of these is last if ordered in increasing size: galaxy, solar system, star cluster? Options: A. star cluster B. galaxy C. none of these D. solar system Answer:
B
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Question: Mendelian inheritance has its physical basis in the behavior of what? Options: A. chromosomes B. ribosomes C. animals D. prokaryotes Answer:
A
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Question: Splitting the nucleus of an atom produces a massive amount of what type of energy? Options: A. sure energy B. radioactive energy C. likely energy D. nuclear energy Answer:
D
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Question: Most sedimentary rocks form from what? Options: A. glaciers B. volcanic activity C. sediments D. erosion Answer:
C
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Question: What is a hydrocarbon in which there are only single covalent bonds? Options: A. alkane B. proline C. fullerene D. combined Answer:
A
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Question: What is an organic compound that is made up of only carbon and hydrogen? Options: A. an acid B. a catalyst C. a component D. a hydrocarbon Answer:
D
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Question: In some plants, the sporophyte is diploid, while the gametophyte is what? Options: A. gametes B. meiosis C. humanoid D. haploid Answer:
D
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Question: What is magnetism produced by an electrical current? Options: A. hydromagnetism B. electromagnetism C. exomagnetism D. strong magnetism Answer:
B
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Question: What is the process of making atp without oxygen called? Options: A. condensation B. Cell Division C. fermentation D. photosynthesis Answer:
C
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Question: What action, performed multiple times daily, is the single biggest use of water in the home? Options: A. washing clothes B. flushing the toilet C. watering plants D. taking showers Answer:
B
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Question: Parthenogenesis is the most common form of what in animals that at other times reproduce sexually? Options: A. cell division B. asexual reproduction C. budding D. sexual dimorphism Answer:
B
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Question: Vesicular transport includes exocytosis and what? Options: A. endocytosis B. phagocytosis C. meiosis D. metastasis Answer:
A
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Question: Because heterotrophs cannot make their own food, what are they called? Options: A. products B. destroyers C. consumers D. customers Answer:
C
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Question: Name two candidates for the original sources of viral genomes. Options: A. chloroplasts and transposons B. macrophages and transposons C. plasmids and transposons D. ediacara and transposons Answer:
C
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Question: How are bacteria identified and classified? Options: A. by their color B. by their shape C. by there movement D. by there cell count Answer:
B
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Question: Salt in seawater causes it to have greater what, which is also affected by temperature and pressure? Options: A. area B. mass C. density D. volume Answer:
C
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Question: What is the process in which an atom becomes an ion known as? Options: A. electrification B. ionization C. evaporation D. oxidation Answer:
B
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Question: Which muscle is a band-like muscle that extends from the anterior superior iliac spine to the medial side? Options: A. tibialis anterior B. vastus medialis C. soleus D. sartorius Answer:
D
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Question: What is another word for seed plants? Options: A. protosperm B. gymnosperm C. echinoderm D. phyla Answer:
B
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Question: Like acetic acid, pentanoic acid is what kind of acid? Options: A. amino B. carboxylic C. hydroxyl D. carbonic Answer:
B
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Question: What devices do astronomers use to see objects at wavelengths all across the electromagnetic spectrum? Options: A. telescopes B. spectrographs C. levels D. microscopes Answer:
A
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Question: Fungi may have both asexual and sexual stages of what? Options: A. development B. photosynthesis C. absorption D. reproduction Answer:
D
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Question: Because atoms have equal numbers of positive protons and negative electrons, what kind of electric charge do they possess? Options: A. neutral B. negative C. none D. positive Answer:
A
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Question: In desert cactus, thorns that protect the water held in a large, barrel-shaped stem are an example of what? Options: A. adaptation B. feature C. species D. characteristic Answer:
A
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Question: Which acid contains only one ionizable hydrogen? Options: A. citric acid B. monoprotic acid C. lactic acid D. amino acid Answer:
B
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Question: What disease unique to humans and is caused by two variola viruses? Options: A. diabetes B. ebola C. smallpox D. AIDS Answer:
C
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Question: What are the most common dietary lipids? Options: A. triglycerides B. diglycerides C. monoglycerides D. phospholipids Answer:
A
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Question: What do contour lines that are close together indicate? Options: A. close slope B. flat slope C. steep slope D. deep slope Answer:
C
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Question: What is caused by differences in density at the top and bottom of the ocean? Options: A. flat currents B. deep currents C. shallow currents D. still water Answer:
B
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Question: Some gametophytes develop underground and form mycorrhizal associations with what? Options: A. plants B. protists C. fungi D. animals Answer:
C
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Question: What are the simplest types of carbon-based compounds? Options: A. hydrocarbons B. Cells C. particles D. Microbes Answer:
A
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Question: What do we call the worldwide radio-navigation system formed from a constellation of 24 satellites and their ground stations? Options: A. compass B. gps C. cellular network D. radio waves Answer:
B