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481 values
sciq-10725
multiple_choice
What does the structure of a protein start with?
[ "rna acids", "dna acids", "amino acids", "organism acids" ]
C
sciq-10601
multiple_choice
Why are living things considered to be renewable?
[ "they decompose", "they evolve", "they reproduce", "they inherit traits" ]
C
sciq-2491
multiple_choice
When solvent molecules selectively pass through a membrane from a dilute solution to concentrated solution, what process is occurring?
[ "diffusion", "plasmolysis", "osmosis", "active transport" ]
C
sciq-2796
multiple_choice
Pathogenic prokaryotes usually cause illness by producing what?
[ "poisons", "insects", "ions", "organisms" ]
A
sciq-6905
multiple_choice
What is formed from an alcohol that loses water?
[ "amines", "alcohols", "Bonds", "alkenes" ]
D
sciq-2479
multiple_choice
In physics, resistance is opposition to the flow of what?
[ "temperature charges", "surface flow", "capacitance", "electrical charges" ]
D
sciq-11217
multiple_choice
What is the term for the buildup of electric charge on an object, which can be transferred to another when touched?
[ "electric potential", "electromagnetic electricity", "static cling", "static electricity" ]
D
sciq-10173
multiple_choice
What process within cells makes sure that every gamete receives a copy of every chromosome?
[ "mutations", "fission", "genomes", "meiosis" ]
D
sciq-8261
multiple_choice
Many carbohydrates can enter glycolysis, most often after conversion to what?
[ "insulin", "glucose", "sucrose", "fructose" ]
B
scienceQA-8491
multiple_choice
How long is a parking space?
[ "8 centimeters", "8 kilometers", "8 meters", "8 millimeters" ]
C
The best estimate for the length of a parking space is 8 meters. 8 millimeters and 8 centimeters are too short. 8 kilometers is too long.
sciq-3138
multiple_choice
What is the group of single-celled organisms lacking a nucleus that have a single piece of circular dna in the nucleoid area of the cell?
[ "algae", "eukaryotes", "prokaryotes", "chromosomes" ]
C
sciq-10217
multiple_choice
What are the structural and functional units of the nervous system, which transmit nerve impulses to other cells?
[ "axions", "neurons", "ions", "electrons" ]
B
sciq-8931
multiple_choice
Natural gas is often found along with what other fossil fuels in underground deposits?
[ "methane and oil", "repository and oil", "coal and methane", "coal and oil" ]
D
sciq-1388
multiple_choice
What occurs when two opposite charges are separated by some amount of distance?
[ "particle", "radioactivity", "dipole", "diffusion" ]
C
sciq-8692
multiple_choice
The pulmonary artery carries deoxygenated blood into the lungs from this?
[ "heart", "bladder", "brain", "legs" ]
A
sciq-6367
multiple_choice
In which stage do chromosomes line up one on top of each other along the middle of the cell, similar to how they line up in mitosis?
[ "chromosome ii", "hectase ii", "metaphase ii", "cyclohexane ii" ]
C
sciq-9187
multiple_choice
Hair is a component of which bodily system?
[ "circulatory", "relatable system", "trypeta system", "integumentary system" ]
D
sciq-6615
multiple_choice
The values of which factors are controlled by the experimenter over the course of an experiment?
[ "independent variables", "independent approaches", "other variables", "independent elements" ]
A
sciq-4790
multiple_choice
What is occurring at an alarming rate as a result of global climate change and the constant melting point of ice?
[ "glacial formation", "glacier melt", "glacial hardening", "glacial movement" ]
B
sciq-1157
multiple_choice
All three axes are established before the zygote begins to undergo what?
[ "birth", "cloning", "twinning", "cleavage" ]
D
sciq-2210
multiple_choice
The cells of most eukaryotic and many prokaryotic organisms can carry out what type of respiration?
[ "energetic", "kinetic", "aerobic", "anaerobic" ]
C
sciq-9643
multiple_choice
Which pollution can cause lung cancer and can also make asthma and other diseases worse?
[ "air pollution", "water pollution", "climate pollution", "air pollination" ]
A
sciq-6539
multiple_choice
What types of stimuli control endocrine activity?
[ "light and pressure", "chemical and neural", "temperature and light", "pressure and chemical" ]
B
sciq-1063
multiple_choice
The "double helix" shape is associated with what substance found in cells?
[ "bacteria", "dna", "genes", "plasma" ]
B
sciq-3660
multiple_choice
What measure is resorted to by people who wish to screen out genetic abnormalities in the fetus?
[ "prenatal testing", "stem cell therapy", "in vitro fertilization", "contraceptive use" ]
A
sciq-10081
multiple_choice
When a host attacks a parasitic bacteria, the bacteria release what to surround the cell wall?
[ "bacteriophages", "layer of slime", "pathogens", "protoplasma" ]
B
sciq-5024
multiple_choice
The simplest organic compounds have hydrogen and what else?
[ "carbon", "nitrogen", "oxygen", "sodium" ]
A
sciq-5114
multiple_choice
What is the basic unit of computer memory?
[ "Megabyte", "byte", "Bit", "Teraybte" ]
B
sciq-8376
multiple_choice
When does sublimation occur?
[ "when the ice and sand change directly into water vapors", "when the wind changes direction", "when the ice and snow change directly into water vapors", "when the snow melts the ice caps" ]
C
sciq-10373
multiple_choice
In which way do sunspots occur?
[ "by themselves", "in fours", "in threes", "in pairs" ]
D
sciq-7530
multiple_choice
What broad group of animals - which includes rats, dogs and camels - have highly developed brains and often perform work for humans?
[ "amphibians", "reptiles", "mammals", "arachnids" ]
C
sciq-10250
multiple_choice
The neck of the uterus, called the cervix, opens into what?
[ "vagina", "bladder", "testicle", "retina" ]
A
sciq-9600
multiple_choice
Rh antibodies can prove dangerous if they cross what barrier in pregnancy?
[ "placental", "embryo", "fungal", "stomach" ]
A
sciq-6440
multiple_choice
Natural gas burns cleaner and produces less carbon dioxide than fuels of what type?
[ "solar energy", "renewable fuels", "biofuels", "fossil fuels" ]
D
sciq-4294
multiple_choice
Solar cells turn sunlight directly into what?
[ "cold", "electricity", "water", "gas" ]
B
sciq-10916
multiple_choice
What is contained in the cavity of a long bone's central shaft?
[ "cells", "blood", "marrow", "calcium" ]
C
sciq-2838
multiple_choice
When gas pressure-forces are used to move an object the work is done on the object by?
[ "gravitational pull", "expanding gas", "kinetic energy", "contracting gas" ]
B
sciq-3930
multiple_choice
What are the three types of symbiotic relationships?
[ "mutualism, communalism, parasitism", "symbiosis , communalism , parasitism", "pledgism, truism, greenism", "altruism, conservatism, communalism" ]
A
sciq-2136
multiple_choice
The way of learning that involves reward and punishment is called?
[ "foolish", "pressure", "conditioning", "mixed" ]
C
sciq-333
multiple_choice
What is the outer layer of an axon that acts like a layer of insulation, similar to the plastic that encases an electrical cord?
[ "myelin sheath", "layer sheath", "nerve sheath", "lipids sheath" ]
A
sciq-5155
multiple_choice
In contrast to metals, electrical insulators are materials that conduct electricity poorly because their valence bands are what?
[ "empty", "large", "full", "half-full" ]
C
sciq-10445
multiple_choice
What is the second stage of photosynthesis?
[ "production of protein", "pigment release", "glucose destruction", "production of glucose" ]
D
sciq-285
multiple_choice
What is the usual treatment for acute bronchitis?
[ "pesticides", "surgery", "physical therapy", "antibiotics" ]
D
ai2_arc-254
multiple_choice
Which conclusion should the students make from the information in the table?
[ "There are more plant-like organisms.", "There are more animal-like organisms.", "The plant-like organisms cannot move by themselves.", "The animal-like organisms eat the plant-like organisms." ]
A
sciq-1754
multiple_choice
Vertebrates are all chordates that have a what?
[ "circulatory system", "fossil", "backbone", "brain" ]
C
sciq-11161
multiple_choice
Sugar and starch are examples of what type of nutrient?
[ "fat", "vitamins", "proteins", "carbohydrates" ]
D
ai2_arc-947
multiple_choice
As a sample of mercury changes state from liquid to solid, the atoms of the sample
[ "move closer together and have less kinetic energy.", "move closer together and have more kinetic energy.", "move farther apart and have less kinetic energy.", "move farther apart and have more kinetic energy." ]
A
sciq-9506
multiple_choice
What causes holes in bread?
[ "yeast fermentation", "moisture", "heat", "alcohol fermentation" ]
A
sciq-5634
multiple_choice
What is the pair of bean-shaped organs situated just above the waist?
[ "lungs", "pancreas", "kidneys", "aorta" ]
C
sciq-4672
multiple_choice
How many moons does pluto have?
[ "four", "three", "six", "two" ]
B
sciq-3907
multiple_choice
Within a group, the ionization energy decreases as the size of the atom gets what?
[ "smaller", "brighter", "lighter", "larger" ]
D
sciq-7994
multiple_choice
What determines which type of precipitation falls in the atmosphere?
[ "air temperature", "air density", "moon phase", "time of day" ]
A
ai2_arc-540
multiple_choice
Which best describes a parallel circuit?
[ "Electricity flows along one pathway.", "The flow of electricity comes from one source.", "Electricity flows along more than one pathway.", "The flow of electricity comes from more than one source." ]
C
sciq-3601
multiple_choice
What are the sharp projections that specialized cells grow called?
[ "cilia", "spicules", "antlers", "ossicles" ]
B
sciq-5203
multiple_choice
The two parts of photosynthesis photosynthesis takes place in two stages: the light-dependent reactions and which cycle?
[ "klein cycle", "dark cycle", "calvin cycle", "colors cycle" ]
C
sciq-832
multiple_choice
What kind of bonds are forces of attraction between positive metal ions and the valence electrons that are constantly moving around them?
[ "neutron bonds", "liquid bonds", "ionized bonds", "metallic bonds" ]
D
sciq-9865
multiple_choice
The size of the solute particles determines the rate of what?
[ "solution", "extracting", "dissolving", "merging" ]
C
ai2_arc-637
multiple_choice
Ice water is poured into four cups made of different materials. The cup made of which material will be the coldest to touch after one minute?
[ "foam", "glass", "metal", "plastic" ]
C
sciq-4265
multiple_choice
Sucrose consists of one molecule of glucose and one molecule of what else?
[ "protein", "fructose", "lactose", "alcohol" ]
B
sciq-891
multiple_choice
What kind of molecule is made from one or more long chains of amino acids?
[ "amino molecule", "chain molecule", "membrane molecule", "protein molecule" ]
D
sciq-4733
multiple_choice
A natural resource that is consumed or used up faster than it can be made by nature is termed what?
[ "renewable", "energy-inefficient", "non-renewable", "fossil fuel" ]
C
ai2_arc-965
multiple_choice
Which statement is true about the particles of a liquid compared to the particles of a gas?
[ "Particles of a liquid are a slower and further apart.", "Particles of a liquid are faster and farther apart.", "Particles of a liquid are slower and closer together.", "Particles of a liquid are faster and closer together." ]
C
sciq-11226
multiple_choice
What structure shows the bonding between atoms, with dots representing available electrons?
[ "Mendelian model", "Pascal model", "lewis structure", "string theory" ]
C
ai2_arc-359
multiple_choice
When a car engine is started, gasoline is mixed with air and burned. Heat, sound, and chemical products are released. As the engine operates, which of these remains constant?
[ "the masses of compounds found in the engine", "the amount of heat in the engine", "the total mass of gasoline", "the total amount of energy" ]
D
sciq-8877
multiple_choice
When a solution freezes, only what particles come together to form a solid phase, while the presence of solute particles interferes with that process?
[ "pigment", "diluent", "hydrogen", "solvent" ]
D
sciq-4760
multiple_choice
What is the multicellular diploid stage called?
[ "blastocyte", "sporophyte", "sporangium", "lymphocyte" ]
B
sciq-9856
multiple_choice
What is the movement of animals from one place to another?
[ "trade", "population", "migration", "communication" ]
C
ai2_arc-851
multiple_choice
A student is using descriptions to classify organisms. One organism is described as having sense organs to detect heat, laying eggs to reproduce, using venom for protection, and having the ability to change body temperature with its surroundings. How would the student classify this organism?
[ "bacteria", "mammal", "reptile", "bird" ]
C
sciq-2505
multiple_choice
Molds, pollen, and pet dander are examples of air pollution with what type of source?
[ "physical", "chemical", "biological", "ecological" ]
C
sciq-8961
multiple_choice
What kind of energy positions do electrons occupy during ground state?
[ "lowest energy positions", "relative energy positions", "highest energy positions", "closest energy positions" ]
A
scienceQA-1515
multiple_choice
Select the mammal below.
[ "Amazon tree boa", "Madagascar day gecko", "sugar glider", "woodpecker" ]
C
A sugar glider is a mammal. It has fur and feeds its young milk. Sugar gliders can jump long distances from tree to tree. They have flaps of loose skin on their sides. These flaps help them stay in the air. A woodpecker is a bird. It has feathers, two wings, and a beak. Woodpeckers have strong beaks. They use their beaks to drill into wood to hunt for food. A Madagascar day gecko is a reptile. It has scaly, waterproof skin. Many geckos have special pads on their toes. The pads help them climb up plants and rocks. An Amazon tree boa is a reptile. It has scaly, waterproof skin. Tree boas eat small mammals, birds, lizards, and frogs. Tree boas only need to eat once every few months!
sciq-6398
multiple_choice
What links the trophic levels from producers to top carnivores?
[ "food chains", "ecosystems", "fuel chains", "environments" ]
A
sciq-1595
multiple_choice
What often form symbiotic associations with much larger organisms?
[ "protists", "prokaryotes", "viruses", "eukaryotes" ]
B
sciq-7914
multiple_choice
What are reactions that can occur only in one direction called?
[ "irreversible", "permanent", "instantaneous", "critical" ]
A
sciq-7577
multiple_choice
What protects the scalp from ultraviolet light exposure and loss of body heat?
[ "ground hair", "receding hair", "head hair", "temporal hair" ]
C
sciq-9502
multiple_choice
What does a hydrolase use to split molecules?
[ "momentum", "gas", "water", "air" ]
C
sciq-11138
multiple_choice
What kind of process is boiling?
[ "isothermal", "chemical", "spheroidal", "cavitation" ]
A
sciq-2364
multiple_choice
Giardiasis and malaria are diseases caused by what organism?
[ "protozoa", "worms", "larvae", "bacteria" ]
A
sciq-1563
multiple_choice
Which body system controls all the others by sending electrical messages?
[ "the nervous system", "the localized system", "the specialized system", "the endocrine system" ]
A
sciq-1781
multiple_choice
The process of photosynthesis uses chlorophyll, which is located in organelles called what?
[ "fibroblasts", "chloroplasts", "nucleus", "mitochondria" ]
B
sciq-7908
multiple_choice
What nerves are connected to the spinal cord?
[ "spinal nerves", "posterior nerves", "primary nerves", "superior nerves" ]
A
sciq-8759
multiple_choice
Compared to free-floating bacteria, bacteria in biofilms often show increased resistance to what?
[ "alcohol and detergents", "acid and detergents", "antibiotics and detergents", "acid and antibiotics" ]
C
sciq-6387
multiple_choice
What type of joint has the greatest range of motion?
[ "Hinge", "ball-and-socket", "Pivot", "Gliding" ]
B
sciq-1703
multiple_choice
An solid object with an irregular shape can be measured via what method?
[ "displacement", "radiation", "variation", "vibration" ]
A
sciq-4378
multiple_choice
The lithosphere-asthensophere divisions are based on what?
[ "mechanical compounds", "mechanical properties", "constant properties", "elemental properties" ]
B
sciq-7526
multiple_choice
What is the source of energy for photosynthesis?
[ "light", "carbon", "air", "gravity" ]
A
sciq-1159
multiple_choice
What are complex organic molecules that make up cells?
[ "proteins", "acids", "sugars", "carbohydrates" ]
A
sciq-7591
multiple_choice
The most common mode of asexual reproduction is through the formation of asexual these?
[ "fibers", "cells", "atoms", "spores" ]
D
sciq-11057
multiple_choice
When solids change to gasses, they generally pass through what other state?
[ "frozen", "carbon", "liquid", "chemical" ]
C
sciq-7027
multiple_choice
In science, what is supported by much evidence, widely accepted by credible scientists, and unlikely to be disproved?
[ "hypothesis", "concept", "law", "theory" ]
D
sciq-5965
multiple_choice
The number, size, shape, and banding pattern of chromosomes make them easily identifiable in a what?
[ "karyogram", "nanocyte", "spirogyra", "xerophyte" ]
A
sciq-2270
multiple_choice
Gradual degradation of a material due to its exposure to the environment is known as what?
[ "destruction", "erosion", "metabolism", "corrosion" ]
D
sciq-9993
multiple_choice
Acids can also react with metals, and when they do they produce what?
[ "potassium gas", "hydrogen gas", "rust", "alloys" ]
B
sciq-2198
multiple_choice
A multiaxial ball-and-socket joint has much more mobility than a what hinge joint?
[ "quadaxial", "triaxial", "biaxial", "uniaxial" ]
D
sciq-5989
multiple_choice
The most common elements have the most tightly bound __________.
[ "membrane", "atoms", "quarks", "nuclei" ]
D
sciq-6002
multiple_choice
Kangaroos, koalas, and opossums are examples of what type of mammals?
[ "cephalopods", "monotremes", "marsupials", "carnivorous" ]
C
sciq-865
multiple_choice
All atoms of the same element have the same number of what?
[ "electrons", "molecules", "charge", "protons" ]
D
sciq-6216
multiple_choice
What type of contamination causes almost 90% of diarrheal disease worldwide?
[ "water supply contamination", "food contamination", "air contamination", "ground contamination" ]
A
ai2_arc-322
multiple_choice
Most volcanoes develop due to interactions between two tectonic plates. Which of the tectonic plate interactions is least likely to produce volcanic activity?
[ "two diverging oceanic plates", "two converging oceanic plates", "two diverging continental plates", "two converging continental plates" ]
D
sciq-2881
multiple_choice
What is the term for dating a rock based on composition decay?
[ "safe dating", "radioactive dating", "fuel dating", "carbon dating" ]
B