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question
stringlengths
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stringclasses
481 values
sciq-5372
multiple_choice
What do we call coiled structures made of dna and proteins?
[ "Molecules", "chromosomes", "Organisms", "nodes" ]
B
sciq-8130
multiple_choice
Niche refers to the role a species plays in what?
[ "migration", "the habitat", "reproduction", "the ecosystem" ]
D
sciq-5973
multiple_choice
With a diet of live animals such as birds, small mammals and fish, all crocodilians are considered what?
[ "symbiotes", "predators", "carnivores", "omnivores" ]
C
sciq-562
multiple_choice
The geometry of the bf 3 molecule is called what?
[ "fractal planar", "trigonal planar", "distorted planar", "spherical planar" ]
B
sciq-1332
multiple_choice
Who first discovered the moons of jupiter in 1610?
[ "Socrates", "galileo", "Newton", "darwin" ]
B
scienceQA-5149
multiple_choice
Select the living thing.
[ "the Statue of Liberty", "rain", "helicopter", "rosemary bush" ]
D
A rosemary bush is a living thing. Rosemary bushes grow and respond to their environment. They need food and water. Rosemary bushes are made up of many cells. Rosemary bushes are plants. They make their own food using water, carbon dioxide, and energy from sunlight. The Statue of Liberty is not a living thing. The Statue of Liberty is shaped like a person. But it does not have all the traits of a living thing. It does not grow or respond to the world around it. It does not need food or water. A helicopter is not a living thing. A helicopter does not have all the traits of a living thing. It needs energy to fly, but it does not eat food. Helicopters get energy from gasoline or other fuel. They do not grow. Rain is not a living thing. Rain is made of water. It helps living things survive. But it does not have all the traits of a living thing. Rain does not grow or need food.
sciq-2871
multiple_choice
Meiosis, like mitosis, is preceded by the duplication of what?
[ "chromosomes", "neutrons", "chloroforms", "ribosomes" ]
A
sciq-4405
multiple_choice
Anaerobic prokaryotes can live without what compound in their environment (it's a compound that people do need to live)?
[ "oxygen", "carbon", "Hydrogen", "nitrogen" ]
A
sciq-6024
multiple_choice
Almost all fungi reproduce asexually by producing what?
[ "roots", "spores", "ions", "atoms" ]
B
scienceQA-3219
multiple_choice
What do these two changes have in common? breaking a piece of glass tying a shoelace
[ "Both are only physical changes.", "Both are caused by cooling.", "Both are chemical changes.", "Both are caused by heating." ]
A
Step 1: Think about each change. Breaking a piece of glass is a physical change. The glass gets broken into pieces. But each piece is still made of the same type of matter. Tying a shoelace is a physical change. The shoelace gets a different shape. But it is still made of the same type of matter. 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-3608
multiple_choice
What is a force that opposes motion?
[ "momentum", "thrust", "tension", "friction" ]
D
sciq-101
multiple_choice
What protects a developing flower while it is still a bud?
[ "petals", "shell", "sepals", "lobes" ]
C
sciq-6880
multiple_choice
How does the image focused by the eye travel to the brain?
[ "the secondary nerve", "the modulated nerve", "the optic nerve", "the sensory nerve" ]
C
sciq-6528
multiple_choice
What is the name of a microorganism that is considered important for living resources in all ecosystem?
[ "bacteria", "archaea", "pathogens", "protozoa" ]
A
sciq-4318
multiple_choice
What is the name of the muscle that contracts to cause the joint to straighten?
[ "opposing", "flexor", "abductor", "extensor" ]
D
sciq-6569
multiple_choice
Misfolding of polypeptides is a serious problem in what?
[ "lipids", "muscles", "blood", "cells" ]
D
sciq-7286
multiple_choice
What is the name for the term that describes deep ocean water rising the surface?
[ "leaking", "upwelling", "percolating", "up-rising" ]
B
sciq-2327
multiple_choice
If both atoms are the same, they have the same electronegativity and share what type of bond?
[ "nonpolar covalent", "isotopic covalent", "ionic", "metabolic" ]
A
sciq-4222
multiple_choice
What type of tissue covers the outside of a plant?
[ "epidermal", "porous", "anterior", "dermal" ]
D
sciq-5317
multiple_choice
All the blood in the human body is filtered about 60 times a day by what?
[ "heart", "liver", "kidneys", "lungs" ]
C
sciq-4830
multiple_choice
What are the two best known baryons?
[ "electrons and neutrons", "protons and neutrons", "flux and neurons", "shafts and neutrons" ]
B
sciq-4375
multiple_choice
What is formed when a monomer of glucose and a monomer of fructose are joined in a dehydration reaction to form a glycosidic bond?
[ "sulfate", "fructose", "chloride", "sucrose" ]
D
sciq-8749
multiple_choice
Most geological activity takes place where?
[ "at plate boundaries", "ocean floor", "center of plates", "high altitudes" ]
A
sciq-10835
multiple_choice
The process of making a polymer is called what?
[ "polymerization", "memorization", "reaction", "fermentation" ]
A
sciq-3639
multiple_choice
What kind of reproduction produces genetically identical organisms or clones?
[ "asexual", "Prophase I", "Meiosis", "Sexual" ]
A
sciq-5205
multiple_choice
What is the first part of the large intestine, where wastes enter from the small intestine?
[ "sacrum", "spleen", "tectum", "cecum" ]
D
sciq-10083
multiple_choice
What is the biggest risk associated with using nuclear energy?
[ "explosion", "fire", "mutation", "radiation" ]
D
sciq-2782
multiple_choice
Name the closest living relatives of tetrapods?
[ "lumpfishes", "shrimp", "lungfishes", "spinefishes" ]
C
sciq-9665
multiple_choice
What force includes forces of attraction and repulsion?
[ "centripetal force", "magnetic force", "molecular force", "gravitational force" ]
B
sciq-9709
multiple_choice
What noble gas follows hydrogen on the periodic table?
[ "nitrogen", "oxygen", "helium", "halogen" ]
C
sciq-7297
multiple_choice
The fetus becoming relatively large and mature before birth increases the chances of what?
[ "mutations", "disease", "survival", "intelligence" ]
C
sciq-1771
multiple_choice
Where does the heartbeat originate in vertebrates?
[ "the pulse", "the heart", "the tissue", "the blood" ]
B
sciq-607
multiple_choice
The boiling point of a solution is higher than the boiling point of the pure solvent, but the opposite occurs with this?
[ "liquidity point", "dissolving point", "evaporation point", "freezing point" ]
D
sciq-10672
multiple_choice
What genetic unit is formed when the dna double helix wraps around proteins and tightly coils a number of times?
[ "gene", "chromosome", "neutron", "atom" ]
B
sciq-3846
multiple_choice
What kind of bonds are there between carbon atoms in saturated fatty acids?
[ "electrical", "double", "single", "chemical" ]
C
sciq-4949
multiple_choice
Robert merrifield developed the first synthetic approach for making what essential cell substances in the lab?
[ "lipids", "acids", "cells", "proteins" ]
D
ai2_arc-717
multiple_choice
Which of these indicates a physical change that occurs during the process of digestion?
[ "the addition of acids to create a ball of food", "the secretion of pepsin to change proteins to peptides", "the breakdown of food substances by digestive juices", "the squeezing of food through the intestines" ]
D
sciq-6410
multiple_choice
What term refers to something supplied by nature that helps support life?
[ "free resource", "simple resource", "existing resource", "natural resource" ]
D
sciq-6793
multiple_choice
What is a hole that is dug or drilled through the ground down to an aquifer called?
[ "canal", "ditch", "moat", "well" ]
D
ai2_arc-676
multiple_choice
A reflex can protect the body from harm. Which organ systems work together to produce a reflex?
[ "nervous and immune systems", "nervous and muscular systems", "circulatory and immune systems", "circulatory and muscular systems" ]
B
sciq-7499
multiple_choice
The scientific process of collecting data outside the lab (in the "wild") is known as what kind of work?
[ "experimentation", "field work", "track work", "scientific investigation" ]
B
sciq-2232
multiple_choice
What are the smallest type of blood vessel?
[ "capillaries", "arteries", "varicose veins", "spider veins" ]
A
sciq-3602
multiple_choice
What is formed when water vapor in the air condenses into tiny droplets?
[ "fog", "hail", "smoke", "rain" ]
A
sciq-4552
multiple_choice
Energy cannot be created or destroyed - it can only change what?
[ "form", "shape", "kind", "fluid" ]
A
sciq-2357
multiple_choice
What does urine leave the body through?
[ "vagina", "urethra", "colon", "uterus" ]
B
scienceQA-6320
multiple_choice
What do these two changes have in common? crushing a mineral into powder breaking a ceramic plate
[ "Both are only physical changes.", "Both are caused by cooling.", "Both are caused by heating.", "Both are chemical changes." ]
A
Step 1: Think about each change. Crushing a mineral into powder is a physical change. The mineral breaks into tiny pieces. But it is still made of the same type of matter. Breaking a ceramic plate is a physical change. The plate gets broken into pieces. But each piece is still made of the same type of matter. 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-3637
multiple_choice
Which kind of mutations have the most dramatic effect on proteins?
[ "arbitrary mutations", "cancerous mutations", "nonsense mutations", "sight mutations" ]
C
ai2_arc-1029
multiple_choice
Whenever scientists carefully measure any quantity many times, they expect that
[ "all of the measurements will be exactly the same", "only two of the measurements will be exactly the same", "all but one of the measurements will be exactly the same", "most of the measurements will be close but not exactly the same" ]
D
sciq-5246
multiple_choice
What is the phenomenon in which light and sound waves become circular at the point source of a barrier?
[ "sonic wave", "diffraction", "reflection", "refraction" ]
B
sciq-4632
multiple_choice
At the earth’s surface, the air pressure exerted on you is a result of the weight of what above you?
[ "water", "air", "magnetic force", "humidity" ]
B
sciq-3802
multiple_choice
Why does a metal spoon heat up quickly when placed in a hot drink?
[ "insulation", "high specific heat", "low specific heat", "convection" ]
C
sciq-3771
multiple_choice
What two cycles make up the female reproductive cycle?
[ "cervical and menstrual", "ovarian and cesarean", "digestive and menstrual", "ovarian and menstrual" ]
D
sciq-5192
multiple_choice
Ripe fruits are usually red, orange, yellow, or what?
[ "white", "blue", "purple", "black" ]
C
sciq-6083
multiple_choice
What type of hybridization does ammonia undergo?
[ "sp 3 hybridization", "nh3 hybridization", "h2O hybridization", "ionic hybridization" ]
A
scienceQA-11716
multiple_choice
How long is a basketball court?
[ "26 feet", "26 miles", "26 yards", "26 inches" ]
C
The best estimate for the length of a basketball court is 26 yards. 26 inches and 26 feet are too short. 26 miles is too long.
sciq-6187
multiple_choice
Waste leaves the body in the form of what?
[ "impurities", "feces", "saliva", "stomach acid" ]
B
sciq-8490
multiple_choice
Under certain conditions, electric current causes what type of field?
[ "seismic", "magnetic", "kinetic", "light" ]
B
sciq-3091
multiple_choice
Different media affect what property of light?
[ "color", "density", "temperature", "speed" ]
D
scienceQA-3620
multiple_choice
Select the bird below.
[ "barn owl", "thresher shark", "red howler", "box turtle" ]
A
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 red 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 barn owl is a bird. It has feathers, two wings, and a beak. Barn owls live on every continent except Antarctica. A box turtle is a reptile. It has scaly, waterproof skin. Box turtles can live to be over 100 years old!
sciq-9553
multiple_choice
Silk and cotton are examples of what type of fibers?
[ "natural", "mechanical", "artificial", "coral" ]
A
sciq-11341
multiple_choice
The body's second line of defense against pathogens includes which response?
[ "blood", "inflammatory", "reaction", "anxiety" ]
B
sciq-7051
multiple_choice
The distance that light can travel in a year is known as what?
[ "earth year", "light year", "solar year", "beam year" ]
B
sciq-167
multiple_choice
The spermatids are transported from the testes to where?
[ "vas", "abdominis", "Duodenum", "epididymis" ]
D
scienceQA-4195
multiple_choice
Select the living thing.
[ "shoe", "piano", "barrel cactus", "pushpin" ]
C
A shoe is not a living thing. Shoes do not have all of the traits of living things. They do not grow or respond to their environment. They do not need food or water. A barrel cactus is a living thing. Barrel cacti grow and respond to their environment. They need food and water. Barrel cacti are made up of many cells. Barrel cacti are plants. They make their own food using water, carbon dioxide, and energy from sunlight. A pushpin is not a living thing. Pushpins do not have all of the traits of living things. They do not grow or respond to their environment. They do not need food or water. A piano is not a living thing. Pianos do not have all of the traits of living things. They do not grow or respond to their environment. They do not need food or water.
sciq-7081
multiple_choice
Hotspots can be used to tell the speed and direction that what object is moving?
[ "crystals", "plates", "glaciers", "electrons" ]
B
sciq-5806
multiple_choice
Which law describes the angle at which the reflected rays leave the surface is equal to the angle at which the incident rays strike the surface?
[ "velocity", "reflection", "gravity", "diffusion" ]
B
sciq-596
multiple_choice
In mammals, four specialized types of what serve to cut, tear, and grind food?
[ "teeth", "plates", "scales", "spines" ]
A
sciq-11567
multiple_choice
What term refers to entities, events or powers regarded as being beyond nature, and cannot be explained by scientific means?
[ "fictional", "hypothetical", "natural", "supernatural" ]
D
sciq-11500
multiple_choice
What causes the particles of medium to move parallel to the direction of the wave?
[ "Sound waves.", "fluid waves", "mechanical waves", "longitudinal waves" ]
D
sciq-6184
multiple_choice
In what type of process does heat flow into its surroundings and cause an increase in kinetic energy?
[ "oscillating process", "exothermic process", "biochemical process", "chemical process" ]
B
sciq-9442
multiple_choice
What is most of earth's surface covered with?
[ "insects", "silicon", "sand", "water" ]
D
sciq-7115
multiple_choice
What is the si unit for electric current?
[ "ampere", "ohm", "planck", "joule" ]
A
sciq-10327
multiple_choice
What are the dark areas that appear on the sun called?
[ "anomalies", "coronas", "sunspots", "coreolis effect" ]
C
sciq-9051
multiple_choice
How many classes of biochemical compounds are there?
[ "four", "five", "three", "one" ]
A
sciq-6552
multiple_choice
What contains most of the structures found in skin?
[ "dermis", "basal layer", "epidermis", "subcutaneous layer" ]
A
sciq-1557
multiple_choice
What makes up most of biological tissues?
[ "air", "bone", "muscle", "water" ]
D
ai2_arc-770
multiple_choice
Earth makes a complete revolution around the Sun about once every
[ "day", "year", "season", "minute" ]
B
sciq-3251
multiple_choice
The direct conversion of a solid to a gas, without an intervening liquid phase, is called what?
[ "sublimation", "amplification", "isolation", "insertion" ]
A
sciq-2664
multiple_choice
What is the reproductive part of the plant?
[ "the flower", "the stem", "the leaf", "the core" ]
A
sciq-1585
multiple_choice
About how full is the outer energy level in metalloids?
[ "half full", "nearly empty", "three-fourth full", "a quarter full" ]
A
sciq-6354
multiple_choice
Approximately how much larger is the radius of an atom than that of its nucleus?
[ "10 times", "100 times", "1 times", "1000 times" ]
A
sciq-8679
multiple_choice
What branch of science deals with the effects people have on the environment?
[ "environmental science", "cultural science", "physical science", "ecological science" ]
A
sciq-10206
multiple_choice
Ocean currents transfer heat from the equator towards what locations?
[ "tropical zones", "east and west", "continents", "poles" ]
D
sciq-9218
multiple_choice
What form do biofuels take that makes them very useful?
[ "liquid", "crystals", "chemical", "solid" ]
A
sciq-3715
multiple_choice
Aluminosilicates are formed by replacing some of the si atoms in silicates by which atoms?
[ "fe", "ce", "al", "ad" ]
C
sciq-2097
multiple_choice
On which ridge does iceland sit?
[ "Antarctic ridge", "Pacific rim", "Arctic circle", "mid-atlantic ridge" ]
D
sciq-10902
multiple_choice
A circuit that consists of two loops is called a what?
[ "parallel circuit", "diverse circuit", "unnatural circuit", "complex circuit" ]
A
sciq-7068
multiple_choice
What are the deepest places on earth?
[ "deep sea caves", "deep sea resonances", "deep sea trenches", "deep sea diversions" ]
C
ai2_arc-378
multiple_choice
A college student looks through a microscope at blood cells and states that red blood cells are more important than white blood cells. This statement is a
[ "statement of fact.", "scientific conclusion.", "scientific hypothesis.", "statement of opinion." ]
D
sciq-3767
multiple_choice
Sensory organs that respond to particular sensory stimuli contain cells called what?
[ "stimulus receptor", "sensory receptors", "artificial receptors", "whole receptors" ]
B
sciq-185
multiple_choice
What is the minimum mass capable of supporting sustained fission called?
[ "particular mass", "concentrated mass", "critical mass", "baseline mass" ]
C
ai2_arc-444
multiple_choice
In the rock cycle, weathering and erosion begin the process of the formation of
[ "sediments.", "magma.", "minerals.", "crystals." ]
A
sciq-1936
multiple_choice
What are the most abundant unicellular algae in the oceans?
[ "staurikosaurus", "chryosophytes", "sporozoans", "chlorella" ]
B
sciq-5052
multiple_choice
What property of ocean water increases rapidly as the water gets deeper?
[ "salt content", "visability", "speed", "pressure" ]
D
sciq-10734
multiple_choice
What do you call a process that uses microorganisms to consume a pollutant?
[ "siltation", "filtration", "bioremediation", "biodegradation" ]
C
sciq-2000
multiple_choice
What is the name of the hollow nerve cord along the back of chordates?
[ "notochord", "zetacord", "phloem", "mesoderm" ]
A
ai2_arc-760
multiple_choice
Which of these statements is most accurate about the Sun?
[ "It has an infinite energy supply.", "It is near the end of its life cycle.", "It is in its infancy in terms of energy consumption.", "It has consumed approximately one-half of its expendable energy." ]
D
sciq-10352
multiple_choice
Bonding in molecules with resonance forms is better described by which theory?
[ "string theory", "Geiger theory", "Pascal's theory", "molecular orbital theory" ]
D
sciq-3792
multiple_choice
Which enzyme is used in step three of the polymerase chain reaction because of it's ability to withstand high temperatures?
[ "taq polymerase", "backronym polymerase", "carbon polumerase", "minocycline polymerase" ]
A
sciq-10978
multiple_choice
What kind of fertilization do birds have?
[ "sensitive fertilization", "asexual", "internal fertilization", "deep fertilization" ]
C