id int64 0 999 | question stringlengths 17 246 | choices listlengths 4 4 | answer stringclasses 4
values |
|---|---|---|---|
800 | What is the most important function of enzymes in animals? | [
"excrete waste",
"carry oxygen",
"help digest food",
"transport messages"
] | C |
801 | After coming apart from the crystal, the individual ions are then surrounded by solvent particles in a process called what? | [
"osmosis",
"solvation",
"ionization",
"hydrolysis"
] | B |
802 | A battery is a multiple connection of what kind of cells? | [
"voltaic cells",
"cabri cells",
"localweather cells",
"organic cells"
] | A |
803 | What is needed for a person to be affected by an autosomal dominant disorder? | [
"extra alleles",
"one mutated allele",
"one less chromosome",
"one isolated allele"
] | B |
804 | The rocks athe mid-ocean ridge are nearly free of what? | [
"scratches",
"minerals",
"metals",
"sediment"
] | D |
805 | What do we call a simple machine that consists of a rope and grooved wheel? | [
"pulley",
"lever",
"pedal",
"axle"
] | A |
806 | What do you call health-promoting molecules that inhibit the oxidation of other molecules? | [
"nutrients",
"neurotransmitters",
"hormones",
"antioxidants"
] | D |
807 | In a correctly balanced equation, all coefficients must be what kind of numbers? | [
"whole",
"negative",
"fractional",
"prime"
] | A |
808 | Highly reactive nonmetals, which only accept electrons and do not give them up, make poor what? | [
"insulators",
"electricity conductors",
"electromagnets",
"alloys"
] | B |
809 | What is the passing of traits from parents to offspring called? | [
"cell division",
"heredity",
"variability",
"mutation"
] | B |
810 | What is the most important source of electromagnetic waves on earth? | [
"the ocean",
"the moon",
"clouds",
"the sun"
] | D |
811 | Which part of the atmosphere do greenhouse gasses trap heat in? | [
"thermosphere",
"lithosphere",
"troposphere",
"stratosphere"
] | C |
812 | How are the fetuses of eutherian mammals connected to their mothers during gestation? | [
"Movement Placenta",
"altered placenta",
"complex placenta",
"visual placenta"
] | C |
813 | Vivipary refers to the development and nourishment of a what? | [
"embryo",
"seed",
"egg",
"nucleus"
] | A |
814 | What are the flattened, disk-shaped cells in blood that carry oxygen? | [
"white blood cells",
"plasma",
"red blood cells",
"platlets"
] | C |
815 | What is matter in the universe that does not emit light called? | [
"dark matter",
"hidden matter",
"black matter",
"cold matter"
] | A |
816 | Without particles, water vapor could not do what? | [
"evaporate",
"condense",
"dissipate",
"dilute"
] | B |
817 | Sounds are produced when muscles in what organ are tensed, stretching the cords so they vibrate? | [
"diaphragm",
"thorax",
"throat",
"larnyx"
] | D |
818 | What is most energy that is lost to the environment lost as? | [
"precipitation",
"gravity",
"vapor",
"heat"
] | D |
819 | What is the resultant waste product of photosynthesis? | [
"carbon",
"argon",
"oxygen",
"sulfur"
] | C |
820 | What is the term for a measure of both speed and direction? | [
"velocity",
"acceleration",
"intensity",
"momentum"
] | A |
821 | What is a body of freshwater that flows downhill in a channel? | [
"a creek",
"a river",
"an eddy",
"a stream"
] | D |
822 | What form of reproduction creates offspring that are genetically identical to the parent? | [
"asexual",
"microscopic",
"sexual",
"primitive"
] | A |
823 | Asteroids, comets, and planets move around the sun in curved paths called what? | [
"orbits",
"curves",
"satellites",
"ellipticals"
] | A |
824 | The primary motor cortex is located in which lobe of the brain? | [
"frontal",
"Occipital",
"Temporal lobe",
"Parietal"
] | A |
825 | The beginning of what season experiences the shortest period of daylight hours? | [
"spring",
"winter",
"autumn",
"summer"
] | B |
826 | The sex of developing crocodilians is determined by what during incubation? | [
"the temperature of the eggs",
"the color of the eggs",
"the size of the eggs",
"the location of the eggs"
] | A |
827 | What are the two main types of star clusters? | [
"closed and spherical",
"open and globular",
"open and supergiant",
"open and elliptical"
] | B |
828 | Many species of flowering plants have coevolved with specific what? | [
"pollinators",
"climates",
"predators",
"spores"
] | A |
829 | Do most waves strike the shore head on or at an angle? | [
"head on",
"at an angle",
"at a distance",
"side on"
] | B |
830 | What ingredient has been used in brewing, winemaking and baking for thousands of years? | [
"flour",
"fruit",
"yeast",
"oils"
] | C |
831 | The tibia is the larger, weight-bearing bone located on the medial side of the leg. the fibula is the slender bone of the lateral side of the leg and does not do what? | [
"drive weight",
"resist weight",
"bear weight",
"support weight"
] | C |
832 | What are reptiles unable to absorb through their skin because of scales? | [
"carbon",
"oxygen",
"food",
"water"
] | B |
833 | All types of cells are enclosed by what? | [
"stoma",
"substrate",
"membrane",
"cell wall"
] | C |
834 | What causes symptoms associated with sickle-cell disease? | [
"genetic drift",
"transgene effects",
"pleiotropic effects",
"spontaneous mutation"
] | C |
835 | Candida and trichophyton are examples of disease-causing types of what organisms, which become parasitic? | [
"bacteria",
"viruses",
"fungi",
"yeast"
] | C |
836 | What type of cells detect stimuli? | [
"expressive nerve cells",
"muscle cells",
"sensory nerve cells",
"grid nerve cells"
] | C |
837 | What 3 things do animals need to live and survive? | [
"air, water, and socialization",
"sex, water, and sleep",
"air, water, and food",
"water, food, and an ecosystem"
] | C |
838 | The cultivated forms of wheat, cotton, and tobacco plants are all what? | [
"allopolyploids",
"sporozoans",
"bales",
"pores"
] | A |
839 | A hydrogen atom with one neutron is called what? | [
"deuterium",
"covalent",
"magnesium",
"ionic"
] | A |
840 | What compounds form crystals instead of molecules? | [
"ionic compounds",
"metallic compounds",
"soluble compounds",
"magnetic compounds"
] | A |
841 | What is the process by which plants make the simple sugar glucose from carbon dioxide and water is called? | [
"glycolysis",
"photosynthesis",
"osmosis",
"metamorphosis"
] | B |
842 | The three units of kpa, atm or mmhg commonly measure what? | [
"weight",
"resistance",
"pressure",
"energy"
] | C |
843 | The behavior of ideal gases is explained by what theory of gases? | [
"Charles's Law",
"kinetic theory",
"molecular theory",
"kinetic molecular theory"
] | D |
844 | Besides ingesting and photosynthesis how can protists get their food? | [
"accumulation",
"osmosis",
"absorption",
"digestion"
] | C |
845 | The male gametophyte releases what, which swim - propelled by their flagella - to reach and fertilize the female gamete or egg? | [
"cytoplasm",
"sperm",
"dna",
"tadpoles"
] | B |
846 | What causes the wheels of the car to turn? | [
"turning driveshaft",
"once driveshaft",
"Gear Shift",
"Wheel Line"
] | A |
847 | While the goal of science is to increase knowledge, the goal of what is to use knowledge for practical purposes? | [
"advancement",
"invention",
"technology",
"industry"
] | C |
848 | What are the two terms that designate how well aqueous solutions conduct electricity? | [
"secular and nonpolar",
"filter and nonpolar",
"polar and nonpolar",
"hot and nonpolar"
] | C |
849 | The concept that atoms tend to have eight electrons in their valence electron shell is called what? | [
"string rule",
"diagonal rule",
"octet rule",
"coupling rule"
] | C |
850 | What separates one river system's basin from another river system's basin? | [
"a sink",
"a divert",
"a bend",
"a divide"
] | D |
851 | What system possesses a memory component that allows for an efficient and dramatic response upon reinvasion of the same pathogen? | [
"suggestive immune system",
"incorporate immune system",
"adaptive immune system",
"societal immune system"
] | C |
852 | Honeybees doing the waggle dance or spiders spinning a web are examples of what type of behavior? | [
"learned",
"innate",
"genuine",
"intuitive"
] | B |
853 | What glands remove water, salts and other wastes from skin? | [
"sweat glands",
"sex glands",
"push glands",
"water glands"
] | A |
854 | A series of arches that support the gills of aquatic amphibians and fish are known as what? | [
"scythian arches",
"cochlear arches",
"branchial arches",
"aquatic arches"
] | C |
855 | What term, calculated by multiplying heart contractions by stroke volume, means the volume of blood pumped by the heart in one minute? | [
"blood output",
"cardiac output",
"respiratory output",
"liver output"
] | B |
856 | Birds are thought to have evolved from a group of bipedal dinosaurs called what? | [
"staurikosaurus",
"pteradactyls",
"sporozoans",
"therapods"
] | D |
857 | What is the third class of elements after metals and nonmetals? | [
"noble gases",
"halogens",
"synthetics",
"metalloids"
] | D |
858 | Proteins are categorized according to shape and what property, which correlates with it? | [
"solubility",
"viscosity",
"salinity",
"size"
] | A |
859 | Melting ice is drastically impacting the number of what at glacier national park? | [
"gaisers",
"icebergs",
"active glaciers",
"trees"
] | C |
860 | What element is present in all organic molecules? | [
"hydrogen",
"carbon",
"sodium",
"oxygen"
] | B |
861 | A sample of matter that has the same physical and chemical properties throughout itself is known as what? | [
"molecule",
"essence",
"substance",
"antimatter"
] | C |
862 | Hepatitis b is inflammation of which organ? | [
"the brain",
"the colon",
"the kidney",
"the liver"
] | D |
863 | If a substance has a ph value greater than 7, what does it indicate? | [
"base",
"neutral",
"volatile",
"acidic"
] | A |
864 | The percent yield is determined by calculating the ratio of actual yield by what? | [
"theoretical yield",
"predicted return",
"actual loss",
"past balance"
] | A |
865 | What are located along convergent and divergent plate boundaries? | [
"dunes",
"volcanoes",
"mezas",
"megaliths"
] | B |
866 | What part of the neuron is a large structure with a central nucleus? | [
"Environmental",
"Eye body",
"cell body",
"proteins body"
] | C |
867 | Hydrogen-based fuel cells were and are used to provide what for manned space vehicles? | [
"light",
"magnetism",
"gravity",
"electricity"
] | D |
868 | What are plants that are adapted to very dry environments called? | [
"sporozoans",
"pores",
"succulents",
"xerophytes"
] | D |
869 | What neurons carry nerve impulses from sense organs and internal organs to the central nervous system? | [
"sensory",
"axons",
"autonomic",
"vascular"
] | A |
870 | Associated with hair follicles, what type of oil gland is found all over the body and helps to lubricate and waterproof the skin and hair? | [
"sebaceous gland",
"sweat gland",
"gametes gland",
"melanin gland"
] | A |
871 | The five human senses are taste, touch, vision, hearing and one more. what is it? | [
"fear",
"perception",
"smell",
"audio"
] | C |
872 | How many bones does an adult skeleton have? | [
"206",
"196",
"192",
"208"
] | A |
873 | Temperature and precipitation determine the types of what that can grow in an area, in turn affecting the animals that live there? | [
"building",
"plants",
"roots",
"birds"
] | B |
874 | What is the transfer of heat by physical contact? | [
"diffusion",
"oxidation",
"conduction",
"inhibition"
] | C |
875 | What analytical technique, using stained gel, can separate dna fragments or rna molecules and proteins? | [
"gel electrophoresis",
"microwave electrophoresis",
"surface electrophoresis",
"static electrophoresis"
] | A |
876 | Questioning claims based on their scientific verifiability rather than accepting claims based on faith or anecdotes is called what? | [
"scientific fact",
"scientific mimicry",
"scientific extreme",
"scientific skepticism"
] | D |
877 | Animals with better fitness have a better chance of passing their genes onto the next generation, this process is known as? | [
"survival selection",
"natural evolution",
"natural selection",
"fitness selection"
] | C |
878 | What acids are the structural components of many lipids and may be saturated or unsaturated? | [
"fundamental acids",
"carbonic acids",
"ionic acids",
"fatty acids"
] | D |
879 | Earth's axis is an imaginary line passing through which poles? | [
"East and North",
"southwest and south",
"north and south",
"west and south"
] | C |
880 | What system does addictive drugs affect? | [
"checks and balances",
"reward system",
"honor system",
"digestive system"
] | B |
881 | What happens when ionic compounds are dissolved in water? | [
"repel electricity",
"magnetize electricity",
"deflect electricity",
"conduct electricity"
] | D |
882 | What is the process in which unspecialized cells become specialized in structure and function to perform certain tasks in the body? | [
"differentiation",
"mutation",
"speciation",
"transcription"
] | A |
883 | Toxins and poisons are ______ enzyme inhibitos | [
"cancerous",
"observable",
"reversible",
"irreversible"
] | D |
884 | How many types of basic sensory receptors are there? | [
"four",
"six",
"five",
"five"
] | C |
885 | What bond is the force of attraction that holds together two atoms that share a pair of valence electrons? | [
"hydrogen",
"metallic",
"covalent",
"polar"
] | C |
886 | Above the meristem, the rest of the root is covered with a single layer of what type of cells, which may have root hairs? | [
"dermal",
"vegetative",
"epidermal",
"single celled"
] | C |
887 | What were the first plants to evolve? | [
"nonvascular plants",
"fungi",
"trees",
"photoreactive plants"
] | A |
888 | What term describes the distance between two corresponding points on adjacent waves? | [
"threshold",
"frequency",
"variation",
"wavelength"
] | D |
889 | What break down dead organisms and other organic waste and release inorganic molecules back to the environment called? | [
"carnivores",
"nematodes",
"detritivores",
"decomposers"
] | D |
890 | The variety of cell shapes seen in prokaryotes and eukaryotes reflects the functions that each what has? | [
"cell",
"organ",
"proteins",
"life"
] | A |
891 | What is the science of classifying living things called? | [
"taxonomy",
"botany",
"methodology",
"terminology"
] | A |
892 | Illustrating how form follows function, long, slender protein strands that make up what tissue are essential for contracting and relaxing? | [
"veins",
"ligaments",
"tendons",
"muscle"
] | D |
893 | What makes marginal lands unsuitable for farming? | [
"drought",
"pestilence",
"disease",
"flood"
] | A |
894 | What happens to water when it freezes? | [
"it shrinks",
"changes volume",
"changes to gas",
"it expands"
] | D |
895 | The three parts of the human small intestine is the duodenum, jejunum, and what? | [
"colon",
"appendix",
"ileum",
"cecum"
] | C |
896 | What is the term for the ability of a fluid to exert an upward force on any object placed in it? | [
"density",
"resonance",
"viscosity",
"buoyancy"
] | D |
897 | A fuel cell is a galvanic cell that requires a constant external supply of what? | [
"electricity",
"generators",
"complexes",
"reactants"
] | D |
898 | Lichens are not a single organism, but rather an example of a what? | [
"fusion",
"homogeneous mixture",
"symbiosis",
"mutualism"
] | D |
899 | What theory states that there is no interaction between individual gas particles? | [
"vortex theory",
"viscosity theory",
"kinetic theory",
"Avoidance theory"
] | C |
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