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question
stringlengths
15
683
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5 values
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stringclasses
481 values
sciq-2264
multiple_choice
What is a capillary bed that filters blood principally based on particle size?
[ "plexus", "buds", "glomerulus", "vein" ]
C
sciq-3935
multiple_choice
What is the term for coiled structures made of dna and proteins?
[ "platelets", "neutrons", "nodes", "chromosomes" ]
D
sciq-3056
multiple_choice
After a massive eruption what will a mountain collapsing above an empty chamber create?
[ "crater", "caldera", "valley", "cavern" ]
B
sciq-929
multiple_choice
What is a circuit that consists of one loop called?
[ "speaking circuit", "dramatic circuit", "series circuit", "episode circuit" ]
C
ai2_arc-1002
multiple_choice
A teacher builds a model of a hydrogen atom. A red golf ball is used for a proton, and a green golf ball is used for an electron. Which is not accurate concerning the model?
[ "number of particles", "relative mass of particles", "types of particles present", "charges of particles present" ]
B
sciq-7486
multiple_choice
Examples of what process are evident in many biological systems because cells are surrounded by semipermeable membranes?
[ "osmosis", "apoptosis", "photosynthesis", "reproduction" ]
A
sciq-10301
multiple_choice
What is the name of an uncharged particle whose weight is nearly equal to that of a proton?
[ "proton", "a nuclei", "electron", "a neutron" ]
D
sciq-6270
multiple_choice
What are the largest phylum of the animal kingdom?
[ "Chelicerata", "Crustacea", "Pycnogonida", "arthropods" ]
D
sciq-3163
multiple_choice
What is defined as a saturated layer of rock or soil?
[ "river bank", "aquifer", "culvert", "artesian well" ]
B
sciq-1675
multiple_choice
What organism is at the top of the energy pyramid?
[ "herbivore", "primate", "carnivore", "insects" ]
C
sciq-398
multiple_choice
What is the largest cartilaginous fish?
[ "dolphin", "blue whale", "whale shark", "sturgeon" ]
C
sciq-11548
multiple_choice
What drives the turbine in a thermonuclear reactor?
[ "magnets", "heated oil", "wind energy", "heated water or steam" ]
D
sciq-5252
multiple_choice
Plant-like protists are commonly called what?
[ "fungus", "sponge", "seaweed", "algae" ]
D
sciq-7223
multiple_choice
Besides depth soundings, what else are bathymetric maps made of?
[ "solar data", "density measures", "intensity data", "sonar data" ]
D
sciq-8061
multiple_choice
Monatomic cations have the same name as their parent element. what happens to monatomic anions?
[ "ends in - de", "ends in - be", "ends in - fe", "ends in - se" ]
A
ai2_arc-944
multiple_choice
Robots can perform tasks that are dangerous for humans. What is the MAJOR limitation to the use of robots?
[ "The assembly pieces must be very small.", "The assembly process must remain exactly the same.", "Robots require regular maintenance.", "Robots must be provided with electricity." ]
B
sciq-4460
multiple_choice
What is the term for chordates with a vertebral column and endoskeleton of cartilage and bone?
[ "insect", "am", "mammel", "vertebrate" ]
D
sciq-4732
multiple_choice
What kind of a resource is soil, for human purposes?
[ "emanates resource", "renewable resource", "nonrenewable resource", "guarana resource" ]
C
sciq-9557
multiple_choice
What is the smallest main part of the brain?
[ "the cerebellum", "the stem", "the cortex", "the claw" ]
B
sciq-6711
multiple_choice
Solutions of ionic compounds and melted ionic compounds conduct what?
[ "electricity", "sound waves", "light", "radiation" ]
A
scienceQA-6012
multiple_choice
What do these two changes have in common? cutting your fingernails stretching a rubber band
[ "Both are caused by cooling.", "Both are caused by heating.", "Both are chemical changes.", "Both are only physical changes." ]
D
Step 1: Think about each change. Cutting your fingernails is a physical change. Your fingernails are shorter after you cut them. But the pieces are still made of the same type of matter as the uncut fingernails. Stretching a rubber band is a physical change. The rubber band gets longer. But it is still made of the same type of matter as before. Step 2: Look at each answer choice. Both are only physical changes. Both changes are physical changes. No new matter is created. Both are chemical changes. Both changes are physical changes. They are not chemical changes. Both are caused by heating. Neither change is caused by heating. Both are caused by cooling. Neither change is caused by cooling.
sciq-9198
multiple_choice
Today, new elements are usually named after famous scientists. the names of the elements can be cumbersome to write in full, especially when combined to form the names of compounds. therefore, each element name is abbreviated as a one- or two-letter chemical this?
[ "shorthand", "title", "symbol", "notation" ]
C
sciq-10077
multiple_choice
The tiny hair present on mucus membranes is known as?
[ "cilia", "dendrites", "collagen", "tissue" ]
A
sciq-1888
multiple_choice
What type of symmetry do echinoderms show?
[ "lateral", "mirrored", "parallel", "radial" ]
D
sciq-2790
multiple_choice
Molecules are represented by symbols that all who agree on?
[ "geologists", "astrologists", "chemists", "physics" ]
C
sciq-2573
multiple_choice
Glasses are mixtures of oxides, the main component of which is silica (sio2). silica is called the glass former, while additives are referred to as this?
[ "addition modifiers", "glass modifiers", "natural modifiers", "glass actors" ]
B
sciq-5695
multiple_choice
What are non-renewable sources of energy that produce environmental damage?
[ "fossil fuels", "crop fuels", "wind", "sunlight" ]
A
sciq-11661
multiple_choice
What occurs when nature reclaims areas formerly occupied by life?
[ "tertiary succession", "secondary succession", "typical succession", "primary succession" ]
B
sciq-10919
multiple_choice
What natural destructive element cuts away at rock forming river valleys?
[ "water", "lava", "sediment", "air" ]
A
sciq-2233
multiple_choice
What type of behavior is most flexible?
[ "innate behavior", "adaptation", "learned behavior", "reflex behavior" ]
C
scienceQA-1790
multiple_choice
Select the invertebrate.
[ "human", "puffin", "golden orb-weaver", "cardinalfish" ]
C
Like other spiders, a golden orb-weaver is an invertebrate. It does not have a backbone. It has an exoskeleton. A human is a mammal. Like other mammals, a human is a vertebrate. It has a backbone. A puffin is a bird. Like other birds, a puffin is a vertebrate. It has a backbone. A cardinalfish is a fish. Like other fish, a cardinalfish is a vertebrate. It has a backbone.
sciq-5637
multiple_choice
What does the distribution of darts on a dartboard shows the difference between?
[ "Aim and precision", "equilibrium and precision", "accuracy and precision", "production and precision" ]
C
sciq-8114
multiple_choice
What is the name of the life stage when a child becomes sexually mature?
[ "maturity", "puberty", "adulthood", "adolescence" ]
B
sciq-10517
multiple_choice
A sprain is a strain or tear in what part of the body?
[ "skeleton", "torso", "a ligament", "stomach" ]
C
sciq-11383
multiple_choice
What describes the process of vesicles fusing with the plasma membrane and releasing their contents to the outside of the cell?
[ "endocytosis", "autolysis", "expulsion", "exocytosis" ]
D
sciq-6106
multiple_choice
What is the second most common skin cancer?
[ "basal cell carcinoma", "precancerous cell carcinoma", "squamous cell carcinoma", "melanoma" ]
C
sciq-4860
multiple_choice
What is the name of a tough, fibrous membrane which protects the outer layer of bone?
[ "marrow", "cartilage", "the periosteum", "the epithelium" ]
C
sciq-5553
multiple_choice
Female monotremes share what external opening with reptiles and birds?
[ "vagina", "cloaca", "urethra", "anus" ]
B
sciq-2240
multiple_choice
What are ocean waves mainly caused by?
[ "humidity", "wind", "gravity", "tides" ]
B
sciq-3528
multiple_choice
What is often the cause of phenotypic differences between identical twins?
[ "environment", "genetics", "natural selection", "learned behavior" ]
A
sciq-329
multiple_choice
Rapidly produced genetic vairants are found in organisms with what type of generation time?
[ "oscillating", "long", "short", "repeating" ]
C
sciq-6221
multiple_choice
What is the process by which organisms change in small ways over time?
[ "microevolution", "adaptation", "spontaneous mutation", "natural selection" ]
A
sciq-2046
multiple_choice
What is an electrically neutral compound with positive and negative ions?
[ "isotope", "neutralized molecule", "ionic compound", "correlated compound" ]
C
ai2_arc-303
multiple_choice
Where is the smallest negatively-charged particle found in an atom?
[ "nucleus", "orbits in the nucleus", "orbits around the nucleus", "between the proton and neutron" ]
C
sciq-2258
multiple_choice
Magnetic force is always perpendicular to what?
[ "sunlight", "length", "velocity", "speed" ]
C
sciq-104
multiple_choice
Dialysis is a treatment for failure of what organs?
[ "liver", "kidneys", "spleen", "lungs" ]
B
sciq-8191
multiple_choice
Each silicon atom shares how many valence electrons with other silicon atoms in a crystal?
[ "four", "three", "five", "ten" ]
A
sciq-5453
multiple_choice
Some animals prepare for the long winters by storing food and going dormant, a behavior called what?
[ "hibernation", "gestation", "resting", "pollination" ]
A
sciq-10168
multiple_choice
What is the process by which plants make their own food?
[ "respiration", "photosynthesis", "mitochondrial process", "ATP cycle" ]
B
sciq-7339
multiple_choice
Wearing what will reduce the amplitude of sound waves entering the ears?
[ "hearing protectors", "hardhat", "megaphone", "goggles" ]
A
sciq-5255
multiple_choice
In some ways, a collection of gas molecules represents the simplest form of what?
[ "matter", "energy", "life", "protein" ]
A
sciq-9429
multiple_choice
What is the most common cause of dwarfism?
[ "achondroplasia", "hypothyroidism", "retinopathy", "deformity" ]
A
sciq-6700
multiple_choice
What are the two types of vascular plants?
[ "dahlias and seed", "seedless and seed", "Water and spore", "ants and seed" ]
B
sciq-397
multiple_choice
What process refers to a separation of charge within an atom or molecule?
[ "polarization", "rotation", "diffusion", "convection" ]
A
sciq-5501
multiple_choice
What body part does encephalitis attack?
[ "liver", "brain", "lungs", "heart" ]
B
sciq-11041
multiple_choice
Makemake and pluto are classified as what type of celestial object?
[ "dwarf planets", "gas giants", "black holes", "nebula" ]
A
sciq-6395
multiple_choice
For each initial glucose molecules, two pyruvate molecules will enter where?
[ "the plasma", "Golgi apparatus", "the nucleus", "the mitochondria" ]
D
sciq-3676
multiple_choice
The largest population size that can be supported in an area without harming the environment is referred to as what?
[ "population density", "carrying capacity", "containing capacity", "population shift" ]
B
sciq-5842
multiple_choice
What type of cells capture light energy, and use carbon dioxide as their carbon source?
[ "sporozoans", "blood cells", "photoautotrophs", "chloroplasts" ]
C
sciq-10405
multiple_choice
Echinoderms lack what type of system that in humans consists of the brain and spinal cord?
[ "peripheral nervous system", "endocrine system", "autonomic system", "centralized nervous system" ]
D
sciq-10057
multiple_choice
What is the water that falls from the sky called?
[ "condensation", "moisture", "precipitation", "evaporation" ]
C
sciq-1385
multiple_choice
What consists of one or two closed loops through which current can flow?
[ "magnetic poles", "cooling circuit", "thermal reaction", "electric circuit" ]
D
sciq-996
multiple_choice
Protists, fungi, animals, and plants all consist of what kind of cells?
[ "eukaryotic", "parenchyma", "xylem", "enzymes" ]
A
sciq-9478
multiple_choice
What do you call the folded layers of rock where geologists look for oil?
[ "crests", "synclines", "anticlines", "oscillations" ]
C
sciq-1726
multiple_choice
Who first proposed that earth is a magnet?
[ "Marconi", "william gilbert", "Albert Einstein", "Isaac Newton" ]
B
sciq-4956
multiple_choice
What do you call it when adult fish of the same species come together in a group and release gametes into the water at the same time?
[ "migration", "spawning", "schoaling", "poaching" ]
B
sciq-4664
multiple_choice
The cytoplasm divides during what process?
[ "genesys", "cytokinesis", "metamorphosis", "osmosis" ]
B
sciq-2073
multiple_choice
What does the coefficient in front of an element in a formula indicate?
[ "place on the Periodic Table", "number of atoms", "time of the reaction", "how much is involved in the reaction" ]
D
sciq-5525
multiple_choice
In a wheel and axle, when force is applied either to the wheel or axle, what aspect of the force does not change?
[ "pressure", "direction", "speed", "shift" ]
B
sciq-2053
multiple_choice
What does the human heart do?
[ "destroy blood", "make blood", "use blood", "pump blood" ]
D
sciq-9032
multiple_choice
When performing anaerobic exercise, your muscles work against what?
[ "resistance", "inertia", "momentum", "gravity" ]
A
sciq-2153
multiple_choice
What is the predominant stage in the life cycle of most scyphozoans?
[ "medusa", "gamete", "spore", "hydra" ]
A
sciq-4711
multiple_choice
What is the main type of cell in the nervous system called?
[ "neuron", "axon", "sensory", "conduction" ]
A
sciq-9138
multiple_choice
What are the largest known proteins called?
[ "obscures", "sporozoans", "aminos", "titins" ]
D
sciq-10111
multiple_choice
What are composed of alternating positive and negative ions?
[ "magnetic crystals", "radioactive substances", "ionic crystals", "polar bonds" ]
C
sciq-3761
multiple_choice
What do you call a simple machine consisting of a sloping surface that connects lower and higher elevations?
[ "jack", "inclined plane", "wedge", "lever" ]
B
sciq-3662
multiple_choice
Water can be boiled to kill giardia and most other what?
[ "bacteria", "parasites", "pathogens", "germs" ]
C
sciq-827
multiple_choice
What do farmers use greenhouses for?
[ "to predict the growing season", "to decrease the growing season", "to allow the growing season", "to extend the growing season" ]
D
sciq-8584
multiple_choice
A protein’s shape is determined, most fundamentally, by the sequence of what type of acids?
[ "amino", "lipids", "lactic", "acetic" ]
A
scienceQA-12124
multiple_choice
Which of the following organisms is the tertiary consumer in this food web?
[ "pine vole", "beaver", "swallowtail caterpillar", "bobcat" ]
D
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 swallowtail caterpillar has an arrow pointing to it from the persimmon tree. The persimmon tree is not a secondary consumer, so the swallowtail caterpillar is not a tertiary consumer. The pine vole has an arrow pointing to it from the persimmon tree and the swallowtail caterpillar. Neither the persimmon tree nor the swallowtail caterpillar is a secondary consumer, so the pine vole is not a tertiary consumer. The bobcat has an arrow pointing to it from the gray fox. The gray fox is a secondary consumer, so the bobcat is a tertiary consumer. The gray fox has an arrow pointing to it from the pine vole. The pine vole is a secondary consumer, so the gray fox is a tertiary consumer. The beaver has an arrow pointing to it from the silver maple. The silver maple is not a secondary consumer, so the beaver is not a tertiary consumer.
sciq-882
multiple_choice
The heart, blood vessels, and blood make up which system in the body?
[ "pulminary", "cardiovascular", "respiratory", "digestive" ]
B
sciq-70
multiple_choice
What phenomenon is crowding out other species and making all the other causes of extinction worse?
[ "migration", "human suburbanization", "human overpopulation", "climate change" ]
C
sciq-10185
multiple_choice
Induced mutations are caused by environmental factors. what term is used to describe a mutation that has no environmental cause?
[ "evident mutation", "numerous mutation", "cancerous mutation", "spontaneous mutation" ]
D
ai2_arc-1111
multiple_choice
Currently, Antarctica is the coldest and driest place on Earth. Paleontologists have found dinosaur fossils in rock layers below the ice. Based on this evidence, which is a reasonable conclusion about the climate of Antarctica in the past?
[ "Antarctica has always had the same climate as at present.", "At some time in the past, Antarctica was a hot, dry desert.", "At some time in the past, Antarctica was much warmer and wetter.", "At some time in the past, Antarctica was colder and wetter than it is now." ]
C
scienceQA-1919
multiple_choice
Select the invertebrate.
[ "lionfish", "penguin", "julia butterfly", "grizzly bear" ]
C
A lionfish is a fish. Like other fish, a lionfish is a vertebrate. It has a backbone. A penguin is a bird. Like other birds, a penguin is a vertebrate. It has a backbone. A grizzly bear is a mammal. Like other mammals, a grizzly bear is a vertebrate. It has a backbone. A julia butterfly is an insect. Like other insects, a julia butterfly is an invertebrate. It does not have a backbone. It has an exoskeleton.
scienceQA-12584
multiple_choice
Select the amphibian.
[ "black howler", "red-headed poison frog", "salmon", "thresher shark" ]
B
A red-headed poison frog is an amphibian. It has moist skin and begins its life in water. Poison dart frogs come in many bright colors. Their bright color warns other animals that these frogs are poisonous. A black howler is a mammal. It has hair and feeds its young milk. Howler monkeys have loud calls, or howls. Their calls can be heard over three miles away! A thresher shark is a fish. It lives underwater. It has fins, not limbs. A thresher shark has a long tail. It can use its tail to hit and stun prey. A salmon is a fish. It lives underwater. It has fins, not limbs. Unlike most other fish, salmon can live in both fresh water and salt water.
sciq-1202
multiple_choice
Thrombocytes are more commonly known by what name?
[ "molecules", "platelets", "droplets", "chromosomes" ]
B
sciq-9414
multiple_choice
What is the term for a close relationship between two species in which at least one species benefits.
[ "extosis", "candiasis", "symbiosis", "endosymbiosis" ]
C
sciq-9156
multiple_choice
What type of logic can lead to important conclusions from the collecting and analyzing of observations?
[ "gravitational reasoning", "inductive reasoning", "primitive reasoning", "conductive reasoning" ]
B
sciq-9773
multiple_choice
Slime molds have several morphological similarities to fungi, including spore-generation, that are thought to be the result of convergent what?
[ "emergence", "generation", "phenomenon", "evolution" ]
D
sciq-11066
multiple_choice
About 20 percent of carbon dioxide is bound by hemoglobin and is transported where?
[ "lungs", "brain tissues", "intestines", "bones" ]
A
sciq-1316
multiple_choice
What makes the realized niche of chthamalus much smaller than its fundamental niche?
[ "microscopic competition", "instantaneous competition", "asexual competition", "interspecific competition" ]
D
ai2_arc-107
multiple_choice
Geologists frequently use mass spectrometers in determining the relative age of rocks. A spectrometer can differentiate between the ratios of isotopes in rock samples and calculates the radioactive decay involving what two isotopes?
[ "Uranium - Lead", "Rubidium - Strontium", "Potassium - Argon", "Uranium - Strontium" ]
A
sciq-5595
multiple_choice
Nerves of the hands, arms, feet, legs, and trunk are part of what system?
[ "circulatory system", "cardiovascular system", "urinary system", "peripheral nervous system" ]
D
sciq-1978
multiple_choice
What do you call any process in which excess water or wastes are removed from the body?
[ "excretion", "diffusion", "depletion", "digestion" ]
A
ai2_arc-580
multiple_choice
Which process is most directly related to constructing new land?
[ "erosion", "polluting", "deposition", "weathering" ]
C
sciq-7834
multiple_choice
What is the term for a gas that completely abides by the kinetic-molecular theory?
[ "cold gas", "fast gas", "heat gas", "ideal gas" ]
D
sciq-10661
multiple_choice
What system is designed to facilitate the transformation of food matter into the nutrient components that sustain organisms?
[ "respiratory", "digestive", "tissue", "skeletal" ]
B
sciq-11098
multiple_choice
What group of simple organisms recycles nutrients and has been on earth since long before multicellular life appeared?
[ "protists", "prokaryotes", "eukaryotes", "bacteria" ]
B
sciq-2100
multiple_choice
Involved in balance, the semicircular canals are parts of what organs?
[ "eyes", "ears", "lungs", "ovaries" ]
B