question stringlengths 14 399 | choices listlengths 4 4 | answer stringclasses 4
values |
|---|---|---|
Food chewed evenly during mastication moisten and lubricate the lining of the mouth and this? | [
"larynx",
"esophagus",
"trachea",
"pharynx"
] | D |
Photosynthesis is initiated by what hitting plants? | [
"sunlight",
"moisture",
"dirt",
"air"
] | A |
What is the process of drawing general conclusions based on many pieces of evidence? | [
"experimental reasoning",
"primitive reasoning",
"inductive reasoning",
"quantum reasoning"
] | C |
Name the fibrous joint in which two parallel bones are united to each other by fibrous connective tissue. | [
"cartilage",
"syndesmosis",
"suture",
"gomphosis"
] | B |
What's the best way humans can conserve water? | [
"boil it",
"use less",
"use more",
"salt it"
] | B |
Although fewer in number than chemical synapses, what type of synapses are found in all nervous systems and play important and unique roles? | [
"duplicating synapses",
"beginning synapses",
"electrical synapses",
"dual synapses"
] | C |
What consists of a nitrogen atom bonded to some combination of carbons and hydrogens? | [
"a chloride",
"a metalloid",
"an amine",
"an alkali"
] | C |
When do hammerhead sharks usually hunt? | [
"at night",
"in the day",
"winter",
"summer"
] | A |
What types of glands do only female mammals have? | [
"mammary",
"thyroid",
"pituitary",
"respiratory"
] | A |
What is the unit used to measure air pressure? | [
"millibar",
"newtons",
"pounds per inch",
"mass"
] | A |
In which stage does the chromatin condense into chromosomes? | [
"prophase ii",
"Metaphase I",
"Anaphase I",
"Telophase II"
] | A |
What is the upper-most atmosphere known as? | [
"xerosphere",
"exosphere",
"thermosphere",
"ionosphere"
] | C |
Reproduction that doesn't involve a male gamete is also known as what? | [
"agamogenesis",
"asexual reproduction",
"meiosis",
"mitosis"
] | A |
What is the term for an electronic component that consists of many other electronic components? | [
"electrical current",
"integrated circuit",
"networks",
"creating circuit"
] | B |
What is another term for life science? | [
"biology",
"meteorology",
"ecology",
"geology"
] | A |
What type of cartilage contains no collagen? | [
"shark cartilage",
"lamprey cartilage",
"joint cartilage",
"fetal cartilage"
] | B |
In prokaryotes, what are the regions called that repressors bind to? | [
"enablers",
"elements",
"operators",
"consumers"
] | C |
What instrument has a resolution many times greater than a light microscope, and can be used to see the details on the outside of a cell? | [
"electron microscope",
"molecular microscope",
"element microscope",
"complex microscope"
] | A |
The temperature at which the individual ions have enough kinetic energy to overcome the attractive forces that hold them in place is called? | [
"last point",
"melting point",
"boiling point",
"occurring point"
] | B |
What play several important roles in the human body? | [
"cells",
"tissues",
"organs",
"lipids"
] | D |
What is a measure that has both size and direction? | [
"wave",
"length",
"vector",
"velocity"
] | C |
What is to blame for water’s boiling point (100°c) being higher than the boiling points of similar substances? | [
"hydrogen bonds",
"helium bonds",
"electrode bonds",
"molecular shape"
] | A |
Carbonic acid decomposes easily at room temperature into carbon dioxide and what else? | [
"gas",
"oxygen",
"helium",
"water"
] | D |
What form when a single atom gains or loses electrons? | [
"vacuoles ions",
"carbon atoms",
"fusional ions",
"monatomic ions"
] | D |
In earthworms, the skin serves as what type of organ? | [
"reproductive",
"kidney",
"respiratory",
"excretory"
] | C |
Catalytic converters used on motor vehicles break down pollutants in what, yielding non-toxic compounds? | [
"oil",
"muffler",
"intake",
"exhaust"
] | D |
Processing of filtrate in the proximal tubule helps maintain what level in body fluid? | [
"homeostasis",
"temperature",
"metabolic level",
"ph"
] | D |
What helps represent age-sex structure of the population? | [
"biome model",
"habitat chart",
"density graph",
"population pyramid"
] | D |
Large viruses began as what type of cells inside bigger host cells? | [
"static",
"parasitic",
"symbiotic",
"simple"
] | B |
How can you calculate the density of matter? | [
"by dividing its mass by its volume",
"by dividing its volume by its mass",
"by subtracting mass from volume",
"by multiplying its mass by its volume"
] | A |
Frogs and toads have long back legs which are specialized for what action? | [
"swimming",
"sprinting",
"flying",
"jumping"
] | D |
Different regions of the cerebral cortex can be associated with particular functions, a concept known as what? | [
"cytoplasm of function",
"expressiveness of function",
"reversal of function",
"localization of function"
] | D |
What is the term for a change in the inherited traits of organisms over time? | [
"emergence",
"mutation",
"generation",
"evolution"
] | D |
What type of diseases do antibiotics not affect? | [
"viruses",
"autoimmune diseases",
"cancer",
"animal stings"
] | A |
Which system carries out long-distance transport of materials between the root and shoot systems? | [
"reproductive tissue system",
"circulatory tissue system",
"vascular tissue system",
"perceptual tissue system"
] | C |
How do reptiles typically reproduce? | [
"sexually",
"asexually",
"cloning",
"live birth"
] | A |
All organisms must adapt to what in order to survive? | [
"conditions",
"environment",
"natural",
"weather"
] | B |
Biochemical compounds that include sugars, starches, and cellulose are examples of what? | [
"proteins",
"carbohydrates",
"electrolytes",
"lipids"
] | B |
What emerges from an insect egg? | [
"larva",
"cocoon",
"fungi",
"parasite"
] | A |
What can protons and neutrons be broken down into? | [
"strings",
"molecules",
"ions",
"quarks"
] | D |
What is the name of the stage of life when a child becomes sexually mature? | [
"growth spurt",
"puberty",
"maturity",
"adolescence"
] | B |
What part of the brain is divided from front to back into the left and right hemispheres? | [
"cerebellum",
"thalmus",
"medula oblongata",
"cerebrum"
] | D |
Because their cells are arranged in bundles, the appearance of skeletal and cardiac muscles is described as what? | [
"cylindrical",
"striated",
"quadrant",
"incised"
] | B |
What resource is considered nonrewable for human purposes, because it takes so long to form and is depleted by farming and other activities? | [
"soil",
"sunshine",
"water",
"acid"
] | A |
What in orange juice makes it taste sour? | [
"citric acid",
"amino acid",
"carbonation",
"acetic acid"
] | A |
What scientist created the modern system for classifying organisms? | [
"Newton",
"linnaeus",
"Bohr",
"Pasteur"
] | B |
What will be the effect to an organism if its homeostasis is not maintained? | [
"weight regulation",
"death or disease",
"slow aging",
"healthy mental state"
] | B |
Since warmer molecules have more energy, they are more what? | [
"dense",
"abundant",
"inactive",
"active"
] | D |
If only blue light strikes green leaves what happens to it? | [
"it is reflected",
"it is absorbed",
"it causes cooling",
"it causes heating"
] | B |
Which type of animal creates useful substances such as honey, wax, lacquer, and silk? | [
"fungus",
"bacteria",
"spiders",
"insects"
] | D |
Stringed instruments can help show the relationship between tension and what in strings? | [
"lengths",
"volumes",
"temperatures",
"frequencies"
] | D |
Ectotherms undergo a variety of changes at the cellular level to acclimatize to shifts in what? | [
"altitude",
"density",
"temperature",
"volume"
] | C |
Convex lenses are thicker in the middle than at the edges so they cause rays of light to converge, or meet, at a point called what? | [
"focus",
"the center",
"the base",
"the apex"
] | A |
What are magnesium carbonate, aluminum hydroxide, and sodium bicarbonate commonly used as? | [
"antacids",
"antibiotics",
"salts",
"antidepressants"
] | A |
What type of taste do bases normally have? | [
"bitter",
"salty",
"sour",
"sweet"
] | A |
Which body part helps roundworm prevent their body from expanding? | [
"skin",
"plate",
"tough cuticle covering",
"scales"
] | C |
The maintenance of constant conditions in the body is also known as what? | [
"homeostasis",
"mononucleosis",
"hypothesis",
"consciousness"
] | A |
What is the term for tough protein fibers that connects bones to each other? | [
"muscles",
"cords",
"ligaments",
"tetons"
] | C |
What is the study of macroscopic properties, atomic properties, and phenomena in chemical systems? | [
"molecular chemistry",
"thermal chemistry",
"physical chemistry",
"differential chemistry"
] | C |
Bones, cartilage, and ligaments make up what anatomical system? | [
"Lymphatic system",
"Muscular system",
"Integumentary system",
"skeletal system"
] | D |
What is the first part of the large intestine called? | [
"jejunum",
"cecum",
"duodenum",
"colon"
] | B |
What occurs when nature reclaims areas formerly occupied by life? | [
"secondary succession",
"primary succession",
"tertiary succession",
"typical succession"
] | A |
To solubilize the fats so that they can be absorbed, what organ secretes a fluid called bile into the small intestine? | [
"gall bladder",
"stomach",
"small intestine",
"spleen"
] | A |
When the hemoglobin loses its oxygen, it changes to what color? | [
"purple red",
"bluish red",
"grayish red",
"light pink"
] | B |
How are weather patterns formed? | [
"carbon dioxide",
"uneven heating of the atmosphere",
"pollution from planes",
"the moon's gravitational pull"
] | B |
Boyle discovered that what property of a gas is inversely proportional to its volume? | [
"pressure",
"mass",
"temperature",
"amount"
] | A |
What amazing machines smash particles that are smaller than atoms into each other head-on? | [
"nitrogen accelerators",
"observant accelerators",
"absorption accelerators",
"particle accelerators"
] | D |
The interaction of what opposite factors describe a biome and ecosystem? | [
"hygroscopic and abiotic",
"abiotic and biotic",
"metastasis and biotic",
"innate and biotic"
] | B |
What is caused by differences in density at the top and bottom of the ocean? | [
"shallow currents",
"flat currents",
"still water",
"deep currents"
] | D |
What is the layer of tissue between the body and shell called? | [
"epidermis",
"collagen",
"cuticle",
"mantle"
] | D |
Well suited to absorb water and dissolved minerals from the soil, thin-walled dermal cells and tiny hairs cover what basic plant structures? | [
"stems",
"leaves",
"flowers",
"roots"
] | D |
What is the major artery of the body, taking oxygenated blood to the organs and muscles of the body? | [
"diastolic",
"capillary",
"carotid",
"aorta"
] | D |
What do you call a growing mass of cancerous cells that pushes into nearby tissues? | [
"bacteria",
"tumor",
"calcium",
"pallet"
] | B |
What is the major intracellular cation? | [
"glucose",
"potassium",
"magnesium",
"sodium"
] | B |
The enzyme pepsin plays an important role in the digestion of proteins by breaking down intact protein to what short-chain amino acids? | [
"lipids",
"peptides",
"protons",
"proteins"
] | B |
What remains a constant of radioactive substance over time? | [
"rate of decay",
"volatility",
"temperature",
"acidity"
] | A |
Terrestrial ecosystems, also known for their diversity, are grouped into large categories called what? | [
"bisomes",
"biomes",
"monomes",
"substrates"
] | B |
High explosives create shock waves that exceed the speed of sound, a phenomenon that goes by what term? | [
"ion speed",
"light speed",
"supersonic",
"turbulence"
] | C |
What do you call a structure composed of two or more types of tissues that work together to do a specific task? | [
"system",
"marrow",
"cell",
"organ"
] | D |
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