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question
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683
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481 values
sciq-2923
multiple_choice
What small biological structures make up all living things, including the human body?
[ "cells", "scales", "proteins", "lipids" ]
A
sciq-11523
multiple_choice
What causes the menstrual cycle to be repeated?
[ "ovaries", "lack of fertilization", "gravity", "uteris" ]
B
sciq-3301
multiple_choice
An external opening in the what of amphibians allows wastes and gametes to exit the body?
[ "cloaca", "anus", "oral cavity", "urethra" ]
A
sciq-7243
multiple_choice
A quarry, which produces rocks and minerals used to make buildings and roads, is an example of what type of mine?
[ "fracking", "gold mine", "strip mine", "open-pit mine" ]
D
sciq-2631
multiple_choice
What are regular changes in biology or behavior that occur in a 24 hour cycle?
[ "life cycle", "circadian rhythm", "cognitive rhythm", "auditory rhythm" ]
B
sciq-9391
multiple_choice
Why do crystals have relatively sharp and well-defined melting points?
[ "variable intermolecular forces", "uniform intermolecular forces", "angular intermolecular forces", "particular intermolecular forces" ]
B
sciq-6873
multiple_choice
The diapsids diverged into two groups, the archosauromorpha (“ancient lizard form”) and the lepidosauromorpha (“scaly lizard form”) during what time period?
[ "mesozoic", "paleozoic", "holocene", "cenozoic" ]
A
sciq-7867
multiple_choice
What disease, caused by vitamin c deficiency, causes bleeding gums, nosebleeds, and other symptoms?
[ "scurvy", "dehydration", "rickets", "leukemia" ]
A
ai2_arc-189
multiple_choice
Which of these animals has teeth that are most like the teeth of humans?
[ "deer", "lion", "monkey", "dog" ]
C
sciq-8683
multiple_choice
What are these examples of: a person riding a carousel and a skydiver in free fall?
[ "centrifugal force", "vibration", "centripetal force", "acceleration" ]
D
sciq-9240
multiple_choice
Weight is a measure of what force pulling down on an object?
[ "distortion", "gravity", "motion", "light" ]
B
sciq-2737
multiple_choice
Which virus causes cold sores?
[ "microbes virus", "stilts virus", "herpes virus", "flu virus" ]
C
sciq-8059
multiple_choice
What has hot days and cool nights, and are typically covered with sand dunes or sparse but hardy plants?
[ "deserts", "rain forest", "arctic", "tundra" ]
A
sciq-336
multiple_choice
What is the term for a mixture of two or more substances that has the same composition throughout?
[ "fluid", "structure", "solution", "simple liquid" ]
C
scienceQA-11769
multiple_choice
Which of the following organisms is the tertiary consumer in this food web?
[ "orca", "black rockfish", "phytoplankton", "sea otter" ]
A
Tertiary consumers eat secondary consumers. So, in a food web, tertiary consumers have arrows pointing to them from secondary consumers. Secondary consumers have arrows pointing to them from primary consumers. And primary consumers have arrows pointing to them from producers. The kelp bass has arrows pointing to it from the plainfin midshipman and the black rockfish. The plainfin midshipman and the black rockfish are secondary consumers, so the kelp bass is a tertiary consumer. The phytoplankton does not have any arrows pointing to it. So, the phytoplankton is not a tertiary consumer. The black rockfish has an arrow pointing to it from the zooplankton. The zooplankton is not a secondary consumer. So, the black rockfish is not a tertiary consumer. The sea otter has an arrow pointing to it from the sea urchin. The sea urchin is not a secondary consumer. So, the sea otter is not a tertiary consumer. The orca has an arrow pointing to it from the sea otter. The sea otter is a secondary consumer, so the orca is a tertiary consumer.
sciq-8356
multiple_choice
What forms in the ocean from the seafloor spreading?
[ "underwater volcanoes", "tsunamis", "earthquakes", "new oceanic crust" ]
D
sciq-5939
multiple_choice
What weather phenomenon, which may bring clouds and precipitation, is created by stalled air masses?
[ "cool front", "stationary front", "Horizontal Front", "susceptible front" ]
B
ai2_arc-578
multiple_choice
Which of the following best shows the basic three-step energy transformation for a battery-operated radio?
[ "Acoustical -> Mechanical -> Electrical", "Mechanical -> Acoustical -> Chemical", "Chemical -> Electrical -> Acoustical", "Electrical -> Acoustical -> Chemical" ]
C
sciq-2135
multiple_choice
Nuclear changes occur with a simultaneous release of what, and a slight drop in mass?
[ "mineral", "oil", "hydrogen", "energy" ]
D
sciq-3668
multiple_choice
What type of diseases in humans are caused by protozoa?
[ "diarrhea", "dysentery", "protist diseases", "protozoa diseases" ]
C
sciq-6402
multiple_choice
What term is used to describe the full range of electromagnetic waves?
[ "electromagnetic scale", "mechanical spectrum", "electromagnetic series", "electromagnetic spectrum" ]
D
sciq-2614
multiple_choice
What organ contributes about 60% of the volume of semen ?
[ "long vesicles", "cilia", "complete vesicles", "seminal vesicles" ]
D
sciq-6458
multiple_choice
Name a passageway that is shared with the digestive system.
[ "trachea", "esophagus", "pharynx", "larynx" ]
C
sciq-8314
multiple_choice
As distance from the source increases, the area covered by the sound waves increases, lessening what?
[ "velocity", "duration", "density", "intensity" ]
D
sciq-3540
multiple_choice
The human body has as many as two trillion lymphocytes, and lymphocytes make up about 25% of all of what?
[ "glands", "leukocytes", "pathogens", "red blood cells" ]
B
sciq-5810
multiple_choice
Sharks are an example of an animal with sharp vision that is nonetheless unable to distinguish what?
[ "shapes", "depth", "contrast", "color" ]
D
sciq-1241
multiple_choice
What is it called when liquid water falls from the sky?
[ "precipitation", "erosion", "sedimentation", "water cycling" ]
A
sciq-9541
multiple_choice
What are the main organs for breathing in a mammal?
[ "lungs", "gills", "intestines", "nostrils" ]
A
sciq-2722
multiple_choice
The mercury or alcohol in a common glass what changes its volume as the temperature changes?
[ "barometer", "thermometer", "calculator", "compass" ]
B
sciq-10936
multiple_choice
Common disease of what system include asthma, pneumonia, and emphysema?
[ "the digestive system", "the respiratory system", "the glandular system", "the fecal system" ]
B
ai2_arc-744
multiple_choice
How does too much fishing in an area affect its ecosystem?
[ "The fish will lay many more eggs to replace the fish that were caught.", "Organisms that eat the fish could become endangered due to starvation.", "Organisms that the fish eat will become endangered.", "People could eat too many fish and become ill.." ]
B
sciq-11010
multiple_choice
When the ventricles begin to contract, pressure within the ventricles rises and blood flows toward the area of lowest pressure, which is initially in the atria. this backflow causes the cusps of the tricuspid and mitral (bicuspid) valves to close. these valves are tied down to the papillary muscles by these?
[ "choanocyte tendineae", "chordae tendineae", "photoreactive tendineae", "chollphyide tendineae" ]
B
sciq-4045
multiple_choice
The electrolysis of what substance produces hydrogen and oxygen gases
[ "carbon dioxide", "water", "cholesterol", "hydrocarbon" ]
B
sciq-1257
multiple_choice
What occurs when there is a sudden discharge of static electricity between a cloud and the ground?
[ "wind", "rain", "lightning", "updraft" ]
C
sciq-5038
multiple_choice
Late adulthood begins in the mid-60s and continues until?
[ "birth", "youth", "death", "adolescence" ]
C
sciq-6271
multiple_choice
What is the name for a material that prevents the transfer of heat energy?
[ "thermal condenser", "structure insulator", "physical insulator", "thermal insulator" ]
D
sciq-983
multiple_choice
What is a bread mold and research organism that also grows in the wild on burned vegetation
[ "penicillin", "nemophora", "whey", "neurospora" ]
D
scienceQA-4117
multiple_choice
Select the vertebrate.
[ "comet moth", "orb weaver", "carp", "earthworm" ]
C
Like other spiders, an orb weaver is an invertebrate. It does not have a backbone. It has an exoskeleton. A carp is a fish. Like other fish, a carp is a vertebrate. It has a backbone. An earthworm is a worm. Like other worms, an earthworm is an invertebrate. It does not have a backbone. It has a soft body. A comet moth is an insect. Like other insects, a comet moth is an invertebrate. It does not have a backbone. It has an exoskeleton.
sciq-5626
multiple_choice
If the temperature of a gas sample is decreased, what happens to the volume?
[ "decreases", "expands", "stays the same", "increases" ]
A
sciq-10573
multiple_choice
What is a layer of saturated porous rock?
[ "an aquifer", "an overhang", "a shear", "a quarry" ]
A
ai2_arc-232
multiple_choice
A tropical rain forest contains many tall trees. Smaller plants with large leaves grow at the base of the tall trees. The large leaves are most likely an adaptation of the plant due to which condition?
[ "lack of sunlight", "lack of oxygen", "lack of water", "lack of food" ]
A
ai2_arc-747
multiple_choice
A scientist cross-pollinates a tomato plant that is resistant to viruses with a tomato plant that produces large tomatoes. This is an example of
[ "natural selection.", "asexual reproduction.", "selective breeding.", "genetic engineering." ]
C
ai2_arc-568
multiple_choice
Some types of medicines can be used to cure people when they are sick. Some medicines, however, may cause bad reactions to the people taking them. This difference is an example of
[ "technology being used to help heal people.", "medical procedures being used to hurt people.", "expensive medicines being used for many purposes.", "the solution to one problem causing another problem." ]
D
sciq-999
multiple_choice
What is the first digestive organ that food enters?
[ "tongue", "stomach", "mouth", "esophagus" ]
C
sciq-3557
multiple_choice
What type of craniates have backbones?
[ "juveniles", "invertebrates", "vertebrates", "larva" ]
C
sciq-1095
multiple_choice
Iridescent green beetles, known as jewel beetles, change color because of the light-reflecting properties of the cells that make up this?
[ "their wings", "their scales", "their external skeleton", "their hairs" ]
C
sciq-2174
multiple_choice
Where are sperm produced in the process of spermatogenesis?
[ "intestines", "testes", "ovaries", "penis" ]
B
sciq-3302
multiple_choice
What kind of scientists measure percentages of sand, silt, and clay?
[ "soil scientists", "amount scientists", "texture scientists", "petro scientists" ]
A
sciq-3661
multiple_choice
Who built the first telescope?
[ "galileo", "brahe", "newton", "copernicus" ]
A
sciq-6550
multiple_choice
What type of cells are the smallest of all human cells?
[ "sperm", "meristematic", "dna", "egg" ]
A
sciq-872
multiple_choice
What is used to fluoridate drinking water to promote dental health
[ "carbon fluoride", "carbon fluorine", "calcium fluorine", "calcium fluoride" ]
D
sciq-7444
multiple_choice
What are the antibodies an animal produces after exposure to a microbial antigen?
[ "isolated", "monoclonal", "chimeric", "polyclonal" ]
D
scienceQA-3560
multiple_choice
Select the animal.
[ "Apple trees can grow fruit.", "Vultures eat mammals and birds.", "Dandelions can grow small yellow flowers.", "Pine trees have green leaves." ]
B
An apple tree is a plant. It can grow fruit. People have been growing apples for thousands of years. There are more than 7,500 types of apples! A vulture is an animal. It eats mammals and birds. Vultures usually do not hunt live animals. They eat animals that are already dead! This behavior is called scavenging. A pine tree is a plant. It has green leaves. Pine tree seeds grow in cones. Trees that grow cones are called conifers. A dandelion is a plant. It can grow small yellow flowers. Dandelion seeds can be blown long distances by the wind.
ai2_arc-336
multiple_choice
Every year, green sea turtles migrate approximately 2000 km to reproduce. This migration is an example of
[ "a learned behavior.", "an instinctive behavior.", "a response to crowding.", "an escape from predators." ]
B
sciq-2284
multiple_choice
What kind of a relationship do plants and soil have?
[ "one-way relationship", "contentious relationship", "two-way relationship", "dimorphic relationship" ]
C
sciq-6980
multiple_choice
What do most species of monkeys have that no apes or humans do?
[ "fur", "large brain", "tail", "five fingers" ]
C
sciq-9976
multiple_choice
Pink snapdragons are an example of what?
[ "grafting", "incomplete dominance", "nh3 hybridization", "cloning" ]
B
scienceQA-10260
multiple_choice
Select the invertebrate.
[ "green sea turtle", "sparrow", "koala", "locust" ]
D
A green sea turtle is a reptile. Like other reptiles, a green sea turtle is a vertebrate. It has a backbone. A sparrow is a bird. Like other birds, a sparrow is a vertebrate. It has a backbone. A locust is an insect. Like other insects, a locust is an invertebrate. It does not have a backbone. It has an exoskeleton. A koala is a mammal. Like other mammals, a koala is a vertebrate. It has a backbone.
sciq-1291
multiple_choice
Why are the stems of many xerophytes fleshy?
[ "stores water", "drains water", "pressures water", "collects water" ]
A
sciq-7991
multiple_choice
What orifice in the body is particularly helpful in both digestion and respiration?
[ "nostril", "mouth", "nose", "anus" ]
B
sciq-2340
multiple_choice
Topographic maps have a horizontal scale to indicate what distances?
[ "horizontal", "perpendicular", "vertical", "diagonal" ]
A
sciq-4089
multiple_choice
What are decomposers that feed on the organic matter left over from other decomposers?
[ "protozoa", "fungi", "saprotrophs", "algae" ]
C
sciq-5299
multiple_choice
Sound navigation and ranging is an acronym for what, which is used to locate underwater objects such as submarines?
[ "sonar", "radar", "sound transmission", "GPS" ]
A
sciq-73
multiple_choice
The fossil record shows that this type of event is followed by the evolution of new species to fill the habitats where old species lived?
[ "formation extinction", "minor extinction", "mass extinction", "moderate extinction" ]
C
sciq-280
multiple_choice
What are the two major types of seed plants called?
[ "perennials and annuals", "deciduous and evergreen", "gymnosperms and angiosperms", "flowers and fruits" ]
C
sciq-2376
multiple_choice
What are a class of biochemical compounds that living things use to store energy?
[ "calories", "lipids", "hydrocarbons", "proteins" ]
B
sciq-10582
multiple_choice
What type of cells are flagella rare in?
[ "intracellular", "eukaryotic", "synthetic", "cancer." ]
B
sciq-11570
multiple_choice
Wetlands are environments in which the soil is either permanently or periodically saturated with what?
[ "water", "spores", "oil", "hydrogen" ]
A
sciq-1760
multiple_choice
When leaves wilt, what plant process ceases?
[ "photosynthesis", "reactions", "hydration", "carbonation" ]
A
sciq-5413
multiple_choice
Biological macromolecules are organic, which means that they must contain what?
[ "oxygen", "hydrogen", "carbon", "aluminum" ]
C
sciq-76
multiple_choice
How many chambers does the stomach of a crocodile have?
[ "ten", "two", "three", "six" ]
B
sciq-7310
multiple_choice
What are winds that blow over a limited area called?
[ "trade winds", "local winds", "Periodic Winds", "Planetary Winds" ]
B
sciq-10408
multiple_choice
What is the science of classifying living things is called?
[ "taxonomy", "physiology", "methodology", "entomology" ]
A
sciq-11231
multiple_choice
The process of splitting atoms creates what kind of waste?
[ "safe", "radioactive", "inert", "recyclable" ]
B
sciq-2245
multiple_choice
What do wind turbines turn wind energy into?
[ "hydrogen", "carbon", "oxygen", "electricy" ]
D
sciq-10428
multiple_choice
What is the ability of an atom to emit charged particles and energy from its nucleus called?
[ "power", "conductivity", "radioactivity", "accumulation" ]
C
sciq-8976
multiple_choice
What happens to water when it is heated in the broiler?
[ "it evolves", "it expands", "it contracts", "it introduces" ]
B
sciq-9297
multiple_choice
What is the term for diseases in which blood does not clot normally?
[ "diabetes", "arthritis", "lymphoma", "hemophilia" ]
D
sciq-3332
multiple_choice
What do fish eggs hatch to form?
[ "tadpoles", "fish eggs hatch to form larvae", "unfertilized eggs", "adolescent fish" ]
B
sciq-870
multiple_choice
What helps fungus digest cellulose and other materials found in rotting matter?
[ "hormones", "soil", "enzymes", "carbohydrates" ]
C
sciq-1639
multiple_choice
What astronomical phenomenon is often comprised of remnants of the earliest material that formed in the solar system?
[ "comets", "asteroids", "meteorites", "particles" ]
C
ai2_arc-1068
multiple_choice
Which most likely contributes to the rotational pattern of a hurricane that develops in the Atlantic Ocean?
[ "Gulf Stream", "Coriolis effect", "low relative humidity", "high-pressure systems" ]
B
sciq-7584
multiple_choice
Living organisms are made up of what type of carbon-based compounds?
[ "synthetic", "biophysical", "biochemical", "microbial" ]
C
sciq-5440
multiple_choice
A reptile's what doesn't generate enough energy to keep their body temperature stable?
[ "metabolism", "skin", "respiration", "tissue" ]
A
sciq-4281
multiple_choice
What the scientific concept stating that when looking at two competing theories, the one with fewer assumptions should be chosen?
[ "law of averages", "law of thermodynamics", "law of simplicity", "law of parsimony" ]
D
sciq-3537
multiple_choice
What type of ions play critical roles in light-dependent reactions?
[ "hydrogen", "helium", "calcium", "silicon" ]
A
sciq-7869
multiple_choice
What are the two types of optical telescopes?
[ "reflecting and recapitulating", "reflecting and layering", "reflecting and refracting", "refracting and compound" ]
C
sciq-5911
multiple_choice
These resources can be remade quickly, through natural processes
[ "non-renewable", "renewable", "electric", "fossil fuel" ]
B
sciq-1244
multiple_choice
Birds generally practice what kind of relationship, with both parents helping to care for the young?
[ "carnivorous", "homologous", "synonomous", "monogamous" ]
D
sciq-3664
multiple_choice
Why do homonuclear diatomic molecules have zero dipole moment?
[ "no activation energy", "no electrical attraction", "at homeostasis", "no difference in electronegativity" ]
D
sciq-729
multiple_choice
What lies between the continental shelf and the abyssal plain?
[ "equator", "continental slope", "successive slope", "continental belt" ]
B
sciq-2692
multiple_choice
What is the name of the scientist who named neutrinos?
[ "Gibbs", "Schrodinger", "Einstein", "enrico fermi" ]
D
sciq-9559
multiple_choice
Why do people build dams and levees?
[ "to horde the water", "prevent flooding", "increase flooding", "store drinking water" ]
B
sciq-10321
multiple_choice
What is another name for a broad explanation that is supported by a great deal of evidence?
[ "hypothesis", "concept", "theory", "conjecture" ]
C
ai2_arc-1004
multiple_choice
What is a source of food and growth for a mushroom?
[ "rotting organisms", "sunshine", "minerals in soil", "water in soil" ]
A
sciq-6861
multiple_choice
Green algae and land plants are closely what?
[ "unrelated", "different", "foreign", "related" ]
D
sciq-2237
multiple_choice
The animal kingdom can also be divided into two basic groups, what are they?
[ "invertebrates and vertebrates", "mammals and fish", "aquatic and land", "sponges and vertebrates" ]
A
sciq-2916
multiple_choice
What is the term for a structure within the cytoplasm that performs a specific job in the cell?
[ "organelle", "molecule", "nucleolus", "vacuole" ]
A
sciq-1526
multiple_choice
The organ systems of the body work together to carry out life processes and maintain what?
[ "movement", "homeostasis", "freshness", "consciousness" ]
B
sciq-248
multiple_choice
Some meteorites are made of iron and nickel and are thought to be very similar to what part of the earth?
[ "mantel", "core", "crust", "shelf" ]
B