Jenjamin3000/MNLP_M3_MCQA_before_FT · Datasets at Hugging Face

id stringlengths 6 15	question_type stringclasses 1 value	question stringlengths 15 683	choices listlengths 4 4	answer stringclasses 5 values	explanation stringclasses 481 values
sciq-927	multiple_choice	After what stage do the last 2 stages of food processing occur?	[ "digestion", "circulation", "filtration", "excretion" ]	A
sciq-4757	multiple_choice	The motor thus acts as a generator whenever its coil does what?	[ "stops", "rotates", "oscillates", "revolves" ]	B
sciq-3403	multiple_choice	Since 1900, four of the five earthquakes of the greatest magnitude occurred near what appropriately nicknamed pacific location?	[ "quake epicenter", "seismic zone", "shower of fire", "ring of fire" ]	D
sciq-3114	multiple_choice	What part of the body does hepatitis b effect?	[ "joints", "heart", "liver", "kidney" ]	C
sciq-2659	multiple_choice	Sharing a phylum with insects, spiders, daddy-long-legs, scorpions, and ticks belong to what class?	[ "reptiles", "arachnids", "annelids", "mammals" ]	B
scienceQA-6040	multiple_choice	What do these two changes have in common? chemicals in a battery reacting to power a flashlight compost rotting	[ "Both are chemical changes.", "Both are caused by cooling.", "Both are caused by heating.", "Both are only physical changes." ]	A	Step 1: Think about each change. Chemicals in a battery reacting to power a flashlight is a chemical change. When the flashlight is turned on, the chemicals in the battery react with each other to form new chemicals. This creates electricity, which powers the lightbulb. Compost forms from the remains of plants and animals, such as vegetable scraps and egg shells. Compost rotting is a chemical change. As the compost rots, it breaks down and turns into a different type of matter. Step 2: Look at each answer choice. Both are only physical changes. Both changes are chemical changes. They are not physical changes. Both are chemical changes. Both changes are chemical changes. The type of matter before and after each change is different. Both are caused by heating. Neither change is caused by heating. Both are caused by cooling. Neither change is caused by cooling.
sciq-7401	multiple_choice	Chromatin condenses into chromosomes during prophase, the first and longest phase of what process?	[ "mitosis", "reproduction", "meiosis", "apoptosis" ]	A
sciq-1871	multiple_choice	How does a reduced sweating ability affect elderly people?	[ "less energy", "extreme tiredness", "loss of mental ability", "extreme heat intolerance" ]	D
sciq-2354	multiple_choice	Named after the dutch physicist, the van de graaff is a type of what device used for nuclear research?	[ "accelerator", "electromagnetic", "radiation detector", "barometer" ]	A
sciq-4312	multiple_choice	The tails of the hale-bopp comet point away from the sun, evidence that light has what property of motion?	[ "inertia", "velocity", "momentum", "acceleration" ]	C
sciq-8708	multiple_choice	Oysters require a certain minimum population density because they must be in close proximity to do this?	[ "feed", "reproduce", "replicate", "multiply" ]	B
sciq-6626	multiple_choice	What term describes the amount of material present in an object?	[ "weight", "density", "volume", "mass" ]	D
sciq-2556	multiple_choice	What are embedded in the membranes of b cells and bind a variety of antigens through their variable regions?	[ "er cell receptors", "a.m. cell receptors", "b cell receptors", "b.a.p cell receptors" ]	C
sciq-6492	multiple_choice	Fruit comes from the ovaries of what types of plants?	[ "deciduous", "flowering", "perennial", "sprouting" ]	B
sciq-1243	multiple_choice	The molecule pictured above is thyroxine, a compound produced by which gland?	[ "stomach", "kidney", "gallbladder", "thyroid" ]	D
sciq-4573	multiple_choice	The temperature at which something melts is refered to as what?	[ "melting point", "evaporation point", "boiling point", "precipitation point" ]	A
ai2_arc-970	multiple_choice	Which characteristic does a paramecium have in common with volvox?	[ "able to produce gametes", "can perform photosynthesis", "has an organelle for movement", "lives as one of a colony of cells" ]	C
sciq-3538	multiple_choice	What moves nitrogen back and forth between the atmosphere and organisms?	[ "the leakage cycle", "the calcium cycle", "the Krebs cycle", "the nitrogen cycle" ]	D
sciq-9713	multiple_choice	What takes over the synthesis and secretion of progesterone throughout pregnancy as the corpus luteum degenerates?	[ "vagina", "placenta", "ovaries", "uterus" ]	B
sciq-8477	multiple_choice	What refers to the union of a male and female of the same species for reproduction?	[ "dating", "asexual reproduction", "mating", "behavior" ]	C
sciq-2570	multiple_choice	Respiratory development in the embryo begins around week 4. ectodermal tissue from the anterior head region invaginates posteriorly to form olfactory pits, which fuse with endodermal tissue of the developing pharynx. an olfactory pit is one of a pair of structures that will enlarge to become this?	[ "anal cavity", "eye cavity", "nasal cavity", "fluid cavity" ]	C
sciq-2759	multiple_choice	Where does most geological activity take place?	[ "plate buildings", "plate medians", "plate boundaries", "plate waves" ]	C
sciq-699	multiple_choice	What is the main source of hydrocarbons?	[ "decomposers", "fossil fuels", "photosynthesis", "greenhouse gases" ]	B
ai2_arc-627	multiple_choice	After a heavy rain, a mudslide flows into a pond and mud mixes into the water. Which of the following is most likely to happen?	[ "Fish will have more food.", "Trees will be able to get more light.", "Raccoons will not be able to find food.", "Underwater plants will receive less light." ]	D
sciq-5366	multiple_choice	What is the name of the glands that produce milk in female mammals ?	[ "sebaceous glands", "fetal glands", "mammary glands", "recombinant glands" ]	C
sciq-342	multiple_choice	What type of compound is essential to life?	[ "oxygen", "water", "carbon", "nitrogen" ]	B
sciq-9068	multiple_choice	What do you call compounds whose properties are different because their atoms are bonded together in different arrangements?	[ "isotopes", "ionic compounds", "isomers", "mixtures" ]	C
sciq-156	multiple_choice	What type of tumor mostly does not cause serious problems and can be completely removed by surgery?	[ "persistent", "toxic", "malignant", "benign" ]	D
sciq-630	multiple_choice	What kind of summers do humid continental climates have?	[ "dry summers", "warm summers", "cold summers", "wet summers" ]	C
sciq-8512	multiple_choice	Pauropods, presumed relatives of millipedes usually found in soil, leaf litter and other moist places, live on all continents except what?	[ "inland", "antarctica", "Europe", "Ocean" ]	B
sciq-10619	multiple_choice	Ionic compounds take on the form of extended three-dimensional arrays of cations and what else?	[ "electrons", "anions", "oxides", "crystals" ]	B
sciq-7647	multiple_choice	What's the term for a cyclic hydrocarbon with a carbon-carbon triple bond?	[ "bialkyne", "cycloalkyne", "bicycloalykne", "tricycloalkyne" ]	B
sciq-5200	multiple_choice	Plants that live in the desert are called?	[ "sporozoans", "xerophytes", "xerozoans", "heatophiles" ]	B
sciq-11384	multiple_choice	Out of the four ways that allele frequencies of a population can be changed, which way is caused by individuals leaving or joining the population?	[ "gene flow", "mass extinction", "spontaneous mutation", "Allopatric speciation" ]	A
sciq-11380	multiple_choice	What warms the base of the mantle creating convection currents there?	[ "the hot regenerate", "mantle soil", "the hot core", "molten lava" ]	C
sciq-11209	multiple_choice	In the mammal family, what is the name for hoofed animals, such as deer, sheep, goats, pigs, buffalo, elephants and giraffes?	[ "ungulates", "primates", "bovines", "rodents" ]	A
sciq-11583	multiple_choice	What evolutionary strategy enables substantial activity during sleep for some animals?	[ "hibernation", "reproduction", "mutation", "adaptation" ]	D
sciq-8902	multiple_choice	At what point during a chemical reaction is there no net change?	[ "ionization", "equilibrium", "formation", "bonding" ]	B
sciq-1064	multiple_choice	What do you call the physical environment in which a species lives and to which it is adapted?	[ "ecosystem", "environment", "habitat", "domain" ]	C
sciq-682	multiple_choice	What device changes kinetic energy to electrical energy through electromagnetic induction?	[ "due generator", "electric generator", "Emission generator", "real generator" ]	B
sciq-4418	multiple_choice	What should you use to protect your eyes from chemicals?	[ "contacts", "eye goggles", "your hands", "certain goggles" ]	B
sciq-6763	multiple_choice	Each type of electromagnetic radiation has a characteristic range of wavelengths. the longer the wavelength (or the more stretched out it appears), the less energy is carried. short, tight waves carry what?	[ "most energy", "sound", "kinetic energy", "heat" ]	A
sciq-237	multiple_choice	The two stages of photosynthesis are the light reactions and what?	[ "reproductive cycle", "respiratory cycle", "calvin cycle", "digestive cycle" ]	C
sciq-9229	multiple_choice	The ability to what is affected by the velocity, or speed, of the water?	[ "construct", "erode", "hinder", "impede" ]	B
sciq-8815	multiple_choice	What kind of rock is gypsum?	[ "igneous", "basalt", "metamorphic", "sedimentary" ]	D
ai2_arc-278	multiple_choice	A telescope would be used for all the following except	[ "to measure the density of Earth's atmosphere.", "to learn more about stars and planets.", "to observe the surface of the Moon.", "to better understand Earth." ]	A
ai2_arc-979	multiple_choice	The drag of wind results in which feature of ocean surface currents?	[ "movement of water away from the equator", "cyclical variations in the height of high tides", "reduction in velocity with distance from Earth's poles", "deflection of water toward the direction of airflow" ]	D
sciq-6664	multiple_choice	Over 90% of the energy we use comes originally from what?	[ "water", "sun", "earth", "horizon" ]	B
sciq-8762	multiple_choice	Designed to support the weight of the upper body when sitting and transfer this weight to the lower limbs when standing, what body structure consists of four bones: right and left hip bones, sacrum, and coccyx?	[ "Chest", "pelvis", "lungs", "tissues" ]	B
sciq-6086	multiple_choice	What color and shape are cumulus clouds?	[ "dark and tall", "dark and wispy", "white and puffy", "white and wispy" ]	C
sciq-584	multiple_choice	What are the bones in partly movable joints held in place by?	[ "collagen", "tendons", "cartilage", "socket" ]	C
sciq-1858	multiple_choice	What characteristic of the endothelium structure minimizes resistance to the flow of blood?	[ "smooth surface", "liquid surface", "transition surface", "uneven surface" ]	A
sciq-6118	multiple_choice	What is the name for the male reproductive organs or gonads?	[ "anus", "nucleus", "ovaries", "testes" ]	D
ai2_arc-708	multiple_choice	Which relationship results in the highest level of evaporation from Earth's water reservoirs?	[ "greatest surface area and most direct sunlight", "greatest surface area and least direct sunlight", "least surface area and most direct sunlight", "least surface area and least direct sunlight" ]	A
sciq-2997	multiple_choice	How do mammals ventilate their lungs?	[ "negative pressure vocalizing", "negative pressure breathing", "negative atmospheric breathing", "negative combination breathing" ]	B
sciq-7044	multiple_choice	In artificial passive immunization, which items from an immune animal are injected into a nonimmune animal?	[ "platelets", "parasites", "antibodies", "allergies" ]	C
scienceQA-10689	multiple_choice	What do these two changes have in common? your breath becoming visible on a cold day mixing sand and gravel	[ "Both are caused by heating.", "Both are only physical changes.", "Both are caused by cooling.", "Both are chemical changes." ]	B	Step 1: Think about each change. Your breath becoming visible on a cold day is a change of state. So, it is a physical change. Water vapor in your breath touches the cold air outside and becomes liquid. The water vapor changes state, but it is made of water. A different type of matter is not formed. Mixing sand and gravel is a physical change. Together, the sand and gravel make a mixture. But making this mixture does not form a different 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. Your breath becoming visible on a cold day is caused by cooling. But mixing sand and gravel is not.
sciq-811	multiple_choice	Where is the pressure of gases in the atmosphere at its greatest?	[ "sea level", "stratosphere", "mountain ranges", "core" ]	A
sciq-3373	multiple_choice	Which stage is specialized for dispersal & reproduction?	[ "adult stage", "fetal stage", "larval stage", "cocoon stage" ]	A
scienceQA-5414	multiple_choice	What do these two changes have in common? pouring milk on oatmeal sewing an apron	[ "Both are caused by cooling.", "Both are caused by heating.", "Both are only physical changes.", "Both are chemical changes." ]	C	Step 1: Think about each change. Pouring milk on oatmeal is a physical change. The oatmeal and milk form a creamy mixture. But making this mixture does not form a different type of matter. Sewing an apron is a physical change. The fabric and thread that make up the apron get a new shape, but the type of matter in each of them does not change. 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-3617	multiple_choice	What is another name for collar cells?	[ "clutches", "sporozoans", "choanocytes", "enzymes" ]	C
sciq-1168	multiple_choice	When current flows in just one direction, what is it called?	[ "direct current", "mono-current", "alternating current", "reactant current" ]	A
sciq-2447	multiple_choice	What structure does methane have?	[ "three dimensional tetrahedra", "three dimensional oxyhedra", "two dimensional tetrahedra", "two dimensional oxyhedra" ]	A
sciq-1503	multiple_choice	Alpha, beta, and gamma emissions are associated with what kind of energy?	[ "potential", "electrical", "radiation", "kinetic" ]	C
sciq-602	multiple_choice	The best thermal conductors are also the best conductors of what, which is also related to the density of free electrons in them?	[ "electricity", "sound", "pollution", "light" ]	A
sciq-10575	multiple_choice	Early in the development of a human fetus, the skeleton is made entirely of what?	[ "cartilage", "membrane", "anterior", "bones" ]	A
sciq-3082	multiple_choice	What passes through the prostate gland immediately inferior to the bladder before passing below the pubic symphysis?	[ "cerebellum", "vagina", "rectum", "urethra" ]	D
sciq-7808	multiple_choice	What is it called when large objects are broken down into smaller pieces?	[ "decay", "weathering", "metamorphosis", "evolution" ]	B
sciq-5893	multiple_choice	What organs produce eggs?	[ "kidneys", "testes", "ovaries", "glands" ]	C
sciq-1624	multiple_choice	Which part of the axon has a higher membrane potential?	[ "muscular hillock", "axon hillock", "biofilm hillock", "canals hillock" ]	B
sciq-9720	multiple_choice	What sort of digestion do animals engage in?	[ "internal", "essential", "external", "poison" ]	A
sciq-6678	multiple_choice	Brass and bronze are examples of what type of mixture composed of two or more elements, at least one of which is a metal?	[ "halloid", "metalloid", "compound", "alloy" ]	D
sciq-1474	multiple_choice	In science, what is defined as the transfer of energy from a vibrating object in waves that travel through matter?	[ "photons", "vibration", "sound", "energy" ]	C
scienceQA-5258	multiple_choice	How long is a long-distance running race?	[ "22 kilometers", "22 meters", "22 millimeters", "22 centimeters" ]	A	The best estimate for the length of a long-distance running race is 22 kilometers. 22 millimeters, 22 centimeters, and 22 meters are all too short.
sciq-11591	multiple_choice	Organisms that lack both a nucleus and membrane-bound organelles are known as what, in general?	[ "barren", "photosynthetic", "prokaryotic", "trophic" ]	C
sciq-2597	multiple_choice	Which organelle is made up of 5 to eight cup shaped, membrane covered stacks of discs known as cisternae?	[ "nucleus", "golgi apparatus", "vacuole", "endoplasmic reticulum" ]	B
sciq-3964	multiple_choice	Carbon monoxide, radon gas, dust and pet dander are sources of what kind of pollution?	[ "indoor air pollution", "noise pollution", "sound pollution", "light pollution" ]	A
sciq-2397	multiple_choice	Violet and red are two types of what kind of light?	[ "ultraviolet", "visible", "radioactive", "infrared" ]	B
sciq-11357	multiple_choice	What is the innermost layer of the sun called?	[ "the core", "Convection Zone", "Photosphere", "Chromosphere" ]	A
sciq-6407	multiple_choice	An element symbol without a charge written next to it is assumed to be what?	[ "dead atom", "surfactants atom", "uncharged atom", "corroborate atom" ]	C
sciq-11385	multiple_choice	What kind of bond doesn't form molecules, but instead forms crystals?	[ "covalent bonds", "magnetic bonds", "electron bonds", "ionic bonds" ]	D
sciq-3008	multiple_choice	What system can be used by scientists to express very small numbers?	[ "scientific diffusion", "certain diffusion", "scientific notation", "similar notation" ]	C
sciq-4020	multiple_choice	Digestive enzymes, including which enzyme, start breaking down starches into sugars?	[ "triglyceride", "melatonin", "amylase", "cortisol" ]	C
ai2_arc-402	multiple_choice	What is the best measure to use in determining the effect of solar energy on Earth's atmosphere?	[ "the temperature of the air", "the temperature of the ocean", "the density of clouds in the sky", "the amount of rainfall on a rainy day" ]	A
sciq-2480	multiple_choice	What organs are the main organs of the urinary system?	[ "gall bladder", "kidneys", "prostate", "spleen" ]	B
sciq-10475	multiple_choice	The central nervous system is composed of the brain and what else?	[ "the spinal cord", "the sclerotic cord", "the dynamic cord", "the lateral cord" ]	A
sciq-6877	multiple_choice	The energy in sunlight is also known as what kind of energy?	[ "geothermal energy", "solar energy", "potential energy", "kinetic energy" ]	B
sciq-2766	multiple_choice	Cells like a prokaryotic cell, a eukaryotic cell has a plasma membrane, cytoplasm, and ribosomes, but a eukaryotic cell is typically larger than a prokaryotic cell, has a true nucleus (meaning its dna is surrounded by a membrane), and has other membrane-bound organelles that allow for what?	[ "misuse of functions", "scrobipalpa of functions", "replicating of functions", "compartmentalization of functions" ]	D
sciq-8411	multiple_choice	Asexual reproduction occurs by what process?	[ "mating", "balancing", "budding", "ripening" ]	C
sciq-7096	multiple_choice	What kind of fossils are excellent markers for correlating the ages of sedimentary rocks?	[ "agonum", "foram", "vertiscom", "euglena" ]	B
sciq-218	multiple_choice	What does a pollinator pick up from its body and carry directly to another plant of the same species?	[ "pollen", "pathogen", "spore", "seed" ]	A
sciq-6094	multiple_choice	What factor other than genes is important in determining adult height?	[ "cultivation", "nutrition", "intelligence", "relaxation" ]	B
sciq-1896	multiple_choice	The change in the characteristics of living things over time is known as _________	[ "variation", "generation", "evolution", "spontaneous mutation" ]	C
sciq-11272	multiple_choice	Scanning acoustic microscopes use what kind of waves to scan a specimen?	[ "radio waves", "heat waves", "gamma waves", "sound waves" ]	D
sciq-10348	multiple_choice	If you drive or take the bus to school or work, you are using a vehicle that probably burns gasoline, a material that burns fairly easily and provides energy to power the vehicle. recall that burning is a?	[ "chemical change", "temperature change", "energy change", "physical change" ]	A
sciq-1582	multiple_choice	Hazardous waste is material that is toxic, chemically active, corrosive, or what?	[ "inactive", "organic", "decomposed", "flammable" ]	D
sciq-6973	multiple_choice	It may seem as though burning destroys matter, but the same amount of what, still exists after a campfire as before?	[ "termperature", "concentrations", "energy", "mass" ]	D
sciq-116	multiple_choice	The radial artery and which artery parallel their namesake bones, giving off smaller branches until they reach the wrist, or carpal region?	[ "ulnar", "triceps", "humerus", "biceps" ]	A
sciq-1623	multiple_choice	What forms when atoms share or transfer valence electrons?	[ "levels", "fusion", "bonds", "replicas" ]	C
sciq-778	multiple_choice	By pulling out grass by its roots and over-grazing, livestock contribute to what negative process?	[ "erosion", "immigration", "evolution", "migration" ]	A

sciq-927

multiple_choice

After what stage do the last 2 stages of food processing occur?

[ "digestion", "circulation", "filtration", "excretion" ]

A

sciq-4757

multiple_choice

The motor thus acts as a generator whenever its coil does what?

[ "stops", "rotates", "oscillates", "revolves" ]

B

sciq-3403

multiple_choice

Since 1900, four of the five earthquakes of the greatest magnitude occurred near what appropriately nicknamed pacific location?

[ "quake epicenter", "seismic zone", "shower of fire", "ring of fire" ]

D

sciq-3114

multiple_choice

What part of the body does hepatitis b effect?

[ "joints", "heart", "liver", "kidney" ]

C

sciq-2659

multiple_choice

Sharing a phylum with insects, spiders, daddy-long-legs, scorpions, and ticks belong to what class?

[ "reptiles", "arachnids", "annelids", "mammals" ]

B

scienceQA-6040

multiple_choice

What do these two changes have in common? chemicals in a battery reacting to power a flashlight compost rotting

[ "Both are chemical changes.", "Both are caused by cooling.", "Both are caused by heating.", "Both are only physical changes." ]

A

Step 1: Think about each change. Chemicals in a battery reacting to power a flashlight is a chemical change. When the flashlight is turned on, the chemicals in the battery react with each other to form new chemicals. This creates electricity, which powers the lightbulb. Compost forms from the remains of plants and animals, such as vegetable scraps and egg shells. Compost rotting is a chemical change. As the compost rots, it breaks down and turns into a different type of matter. Step 2: Look at each answer choice. Both are only physical changes. Both changes are chemical changes. They are not physical changes. Both are chemical changes. Both changes are chemical changes. The type of matter before and after each change is different. Both are caused by heating. Neither change is caused by heating. Both are caused by cooling. Neither change is caused by cooling.

sciq-7401

multiple_choice

Chromatin condenses into chromosomes during prophase, the first and longest phase of what process?

[ "mitosis", "reproduction", "meiosis", "apoptosis" ]

A

sciq-1871

multiple_choice

How does a reduced sweating ability affect elderly people?

[ "less energy", "extreme tiredness", "loss of mental ability", "extreme heat intolerance" ]

D

sciq-2354

multiple_choice

Named after the dutch physicist, the van de graaff is a type of what device used for nuclear research?

[ "accelerator", "electromagnetic", "radiation detector", "barometer" ]

A

sciq-4312

multiple_choice

The tails of the hale-bopp comet point away from the sun, evidence that light has what property of motion?

[ "inertia", "velocity", "momentum", "acceleration" ]

C

sciq-8708

multiple_choice

Oysters require a certain minimum population density because they must be in close proximity to do this?

[ "feed", "reproduce", "replicate", "multiply" ]

B

sciq-6626

multiple_choice

What term describes the amount of material present in an object?

[ "weight", "density", "volume", "mass" ]

D

sciq-2556

multiple_choice

What are embedded in the membranes of b cells and bind a variety of antigens through their variable regions?

[ "er cell receptors", "a.m. cell receptors", "b cell receptors", "b.a.p cell receptors" ]

C

sciq-6492

multiple_choice

Fruit comes from the ovaries of what types of plants?

[ "deciduous", "flowering", "perennial", "sprouting" ]

B

sciq-1243

multiple_choice

The molecule pictured above is thyroxine, a compound produced by which gland?

[ "stomach", "kidney", "gallbladder", "thyroid" ]

D

sciq-4573

multiple_choice

The temperature at which something melts is refered to as what?

[ "melting point", "evaporation point", "boiling point", "precipitation point" ]

A

ai2_arc-970

multiple_choice

Which characteristic does a paramecium have in common with volvox?

[ "able to produce gametes", "can perform photosynthesis", "has an organelle for movement", "lives as one of a colony of cells" ]

C

sciq-3538

multiple_choice

What moves nitrogen back and forth between the atmosphere and organisms?

[ "the leakage cycle", "the calcium cycle", "the Krebs cycle", "the nitrogen cycle" ]

D

sciq-9713

multiple_choice

What takes over the synthesis and secretion of progesterone throughout pregnancy as the corpus luteum degenerates?

[ "vagina", "placenta", "ovaries", "uterus" ]

B

sciq-8477

multiple_choice

What refers to the union of a male and female of the same species for reproduction?

[ "dating", "asexual reproduction", "mating", "behavior" ]

C

sciq-2570

multiple_choice

Respiratory development in the embryo begins around week 4. ectodermal tissue from the anterior head region invaginates posteriorly to form olfactory pits, which fuse with endodermal tissue of the developing pharynx. an olfactory pit is one of a pair of structures that will enlarge to become this?

[ "anal cavity", "eye cavity", "nasal cavity", "fluid cavity" ]

C

sciq-2759

multiple_choice

Where does most geological activity take place?

[ "plate buildings", "plate medians", "plate boundaries", "plate waves" ]

C

sciq-699

multiple_choice

What is the main source of hydrocarbons?

[ "decomposers", "fossil fuels", "photosynthesis", "greenhouse gases" ]

B

ai2_arc-627

multiple_choice

After a heavy rain, a mudslide flows into a pond and mud mixes into the water. Which of the following is most likely to happen?

[ "Fish will have more food.", "Trees will be able to get more light.", "Raccoons will not be able to find food.", "Underwater plants will receive less light." ]

D

sciq-5366

multiple_choice

What is the name of the glands that produce milk in female mammals ?

[ "sebaceous glands", "fetal glands", "mammary glands", "recombinant glands" ]

C

sciq-342

multiple_choice

What type of compound is essential to life?

[ "oxygen", "water", "carbon", "nitrogen" ]

B

sciq-9068

multiple_choice

What do you call compounds whose properties are different because their atoms are bonded together in different arrangements?

[ "isotopes", "ionic compounds", "isomers", "mixtures" ]

C

sciq-156

multiple_choice

What type of tumor mostly does not cause serious problems and can be completely removed by surgery?

[ "persistent", "toxic", "malignant", "benign" ]

D

sciq-630

multiple_choice

What kind of summers do humid continental climates have?

[ "dry summers", "warm summers", "cold summers", "wet summers" ]

C

sciq-8512

multiple_choice

Pauropods, presumed relatives of millipedes usually found in soil, leaf litter and other moist places, live on all continents except what?

[ "inland", "antarctica", "Europe", "Ocean" ]

B

sciq-10619

multiple_choice

Ionic compounds take on the form of extended three-dimensional arrays of cations and what else?

[ "electrons", "anions", "oxides", "crystals" ]

B

sciq-7647

multiple_choice

What's the term for a cyclic hydrocarbon with a carbon-carbon triple bond?

[ "bialkyne", "cycloalkyne", "bicycloalykne", "tricycloalkyne" ]

B

sciq-5200

multiple_choice

Plants that live in the desert are called?

[ "sporozoans", "xerophytes", "xerozoans", "heatophiles" ]

B

sciq-11384

multiple_choice

Out of the four ways that allele frequencies of a population can be changed, which way is caused by individuals leaving or joining the population?

[ "gene flow", "mass extinction", "spontaneous mutation", "Allopatric speciation" ]

A

sciq-11380

multiple_choice

What warms the base of the mantle creating convection currents there?

[ "the hot regenerate", "mantle soil", "the hot core", "molten lava" ]

C

sciq-11209

multiple_choice

In the mammal family, what is the name for hoofed animals, such as deer, sheep, goats, pigs, buffalo, elephants and giraffes?

[ "ungulates", "primates", "bovines", "rodents" ]

A

sciq-11583

multiple_choice

What evolutionary strategy enables substantial activity during sleep for some animals?

[ "hibernation", "reproduction", "mutation", "adaptation" ]

D

sciq-8902

multiple_choice

At what point during a chemical reaction is there no net change?

[ "ionization", "equilibrium", "formation", "bonding" ]

B

sciq-1064

multiple_choice

What do you call the physical environment in which a species lives and to which it is adapted?

[ "ecosystem", "environment", "habitat", "domain" ]

C

sciq-682

multiple_choice

What device changes kinetic energy to electrical energy through electromagnetic induction?

[ "due generator", "electric generator", "Emission generator", "real generator" ]

B

sciq-4418

multiple_choice

What should you use to protect your eyes from chemicals?

[ "contacts", "eye goggles", "your hands", "certain goggles" ]

B

sciq-6763

multiple_choice

Each type of electromagnetic radiation has a characteristic range of wavelengths. the longer the wavelength (or the more stretched out it appears), the less energy is carried. short, tight waves carry what?

[ "most energy", "sound", "kinetic energy", "heat" ]

A

sciq-237

multiple_choice

The two stages of photosynthesis are the light reactions and what?

[ "reproductive cycle", "respiratory cycle", "calvin cycle", "digestive cycle" ]

C

sciq-9229

multiple_choice

The ability to what is affected by the velocity, or speed, of the water?

[ "construct", "erode", "hinder", "impede" ]

B

sciq-8815

multiple_choice

What kind of rock is gypsum?

[ "igneous", "basalt", "metamorphic", "sedimentary" ]

D

ai2_arc-278

multiple_choice

A telescope would be used for all the following except

[ "to measure the density of Earth's atmosphere.", "to learn more about stars and planets.", "to observe the surface of the Moon.", "to better understand Earth." ]

A

ai2_arc-979

multiple_choice

The drag of wind results in which feature of ocean surface currents?

[ "movement of water away from the equator", "cyclical variations in the height of high tides", "reduction in velocity with distance from Earth's poles", "deflection of water toward the direction of airflow" ]

D

sciq-6664

multiple_choice

Over 90% of the energy we use comes originally from what?

[ "water", "sun", "earth", "horizon" ]

B

sciq-8762

multiple_choice

Designed to support the weight of the upper body when sitting and transfer this weight to the lower limbs when standing, what body structure consists of four bones: right and left hip bones, sacrum, and coccyx?

[ "Chest", "pelvis", "lungs", "tissues" ]

B

sciq-6086

multiple_choice

What color and shape are cumulus clouds?

[ "dark and tall", "dark and wispy", "white and puffy", "white and wispy" ]

C

sciq-584

multiple_choice

What are the bones in partly movable joints held in place by?

[ "collagen", "tendons", "cartilage", "socket" ]

C

sciq-1858

multiple_choice

What characteristic of the endothelium structure minimizes resistance to the flow of blood?

[ "smooth surface", "liquid surface", "transition surface", "uneven surface" ]

A

sciq-6118

multiple_choice

What is the name for the male reproductive organs or gonads?

[ "anus", "nucleus", "ovaries", "testes" ]

D

ai2_arc-708

multiple_choice

Which relationship results in the highest level of evaporation from Earth's water reservoirs?

[ "greatest surface area and most direct sunlight", "greatest surface area and least direct sunlight", "least surface area and most direct sunlight", "least surface area and least direct sunlight" ]

A

sciq-2997

multiple_choice

How do mammals ventilate their lungs?

[ "negative pressure vocalizing", "negative pressure breathing", "negative atmospheric breathing", "negative combination breathing" ]

B

sciq-7044

multiple_choice

In artificial passive immunization, which items from an immune animal are injected into a nonimmune animal?

[ "platelets", "parasites", "antibodies", "allergies" ]

C

scienceQA-10689

multiple_choice

What do these two changes have in common? your breath becoming visible on a cold day mixing sand and gravel

[ "Both are caused by heating.", "Both are only physical changes.", "Both are caused by cooling.", "Both are chemical changes." ]

B

Step 1: Think about each change. Your breath becoming visible on a cold day is a change of state. So, it is a physical change. Water vapor in your breath touches the cold air outside and becomes liquid. The water vapor changes state, but it is made of water. A different type of matter is not formed. Mixing sand and gravel is a physical change. Together, the sand and gravel make a mixture. But making this mixture does not form a different 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. Your breath becoming visible on a cold day is caused by cooling. But mixing sand and gravel is not.

sciq-811

multiple_choice

Where is the pressure of gases in the atmosphere at its greatest?

[ "sea level", "stratosphere", "mountain ranges", "core" ]

A

sciq-3373

multiple_choice

Which stage is specialized for dispersal & reproduction?

[ "adult stage", "fetal stage", "larval stage", "cocoon stage" ]

A

scienceQA-5414

multiple_choice

What do these two changes have in common? pouring milk on oatmeal sewing an apron

[ "Both are caused by cooling.", "Both are caused by heating.", "Both are only physical changes.", "Both are chemical changes." ]

C

Step 1: Think about each change. Pouring milk on oatmeal is a physical change. The oatmeal and milk form a creamy mixture. But making this mixture does not form a different type of matter. Sewing an apron is a physical change. The fabric and thread that make up the apron get a new shape, but the type of matter in each of them does not change. 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-3617

multiple_choice

What is another name for collar cells?

[ "clutches", "sporozoans", "choanocytes", "enzymes" ]

C

sciq-1168

multiple_choice

When current flows in just one direction, what is it called?

[ "direct current", "mono-current", "alternating current", "reactant current" ]

A

sciq-2447

multiple_choice

What structure does methane have?

[ "three dimensional tetrahedra", "three dimensional oxyhedra", "two dimensional tetrahedra", "two dimensional oxyhedra" ]

A

sciq-1503

multiple_choice

Alpha, beta, and gamma emissions are associated with what kind of energy?

[ "potential", "electrical", "radiation", "kinetic" ]

C

sciq-602

multiple_choice

The best thermal conductors are also the best conductors of what, which is also related to the density of free electrons in them?

[ "electricity", "sound", "pollution", "light" ]

A

sciq-10575

multiple_choice

Early in the development of a human fetus, the skeleton is made entirely of what?

[ "cartilage", "membrane", "anterior", "bones" ]

A

sciq-3082

multiple_choice

What passes through the prostate gland immediately inferior to the bladder before passing below the pubic symphysis?

[ "cerebellum", "vagina", "rectum", "urethra" ]

D

sciq-7808

multiple_choice

What is it called when large objects are broken down into smaller pieces?

[ "decay", "weathering", "metamorphosis", "evolution" ]

B

sciq-5893

multiple_choice

What organs produce eggs?

[ "kidneys", "testes", "ovaries", "glands" ]

C

sciq-1624

multiple_choice

Which part of the axon has a higher membrane potential?

[ "muscular hillock", "axon hillock", "biofilm hillock", "canals hillock" ]

B

sciq-9720

multiple_choice

What sort of digestion do animals engage in?

[ "internal", "essential", "external", "poison" ]

A

sciq-6678

multiple_choice

Brass and bronze are examples of what type of mixture composed of two or more elements, at least one of which is a metal?

[ "halloid", "metalloid", "compound", "alloy" ]

D

sciq-1474

multiple_choice

In science, what is defined as the transfer of energy from a vibrating object in waves that travel through matter?

[ "photons", "vibration", "sound", "energy" ]

C

scienceQA-5258

multiple_choice

How long is a long-distance running race?

[ "22 kilometers", "22 meters", "22 millimeters", "22 centimeters" ]

A

The best estimate for the length of a long-distance running race is 22 kilometers. 22 millimeters, 22 centimeters, and 22 meters are all too short.

sciq-11591

multiple_choice

Organisms that lack both a nucleus and membrane-bound organelles are known as what, in general?

[ "barren", "photosynthetic", "prokaryotic", "trophic" ]

C

sciq-2597

multiple_choice

Which organelle is made up of 5 to eight cup shaped, membrane covered stacks of discs known as cisternae?

[ "nucleus", "golgi apparatus", "vacuole", "endoplasmic reticulum" ]

B

sciq-3964

multiple_choice

Carbon monoxide, radon gas, dust and pet dander are sources of what kind of pollution?

[ "indoor air pollution", "noise pollution", "sound pollution", "light pollution" ]

A

sciq-2397

multiple_choice

Violet and red are two types of what kind of light?

[ "ultraviolet", "visible", "radioactive", "infrared" ]

B

sciq-11357

multiple_choice

What is the innermost layer of the sun called?

[ "the core", "Convection Zone", "Photosphere", "Chromosphere" ]

A

sciq-6407

multiple_choice

An element symbol without a charge written next to it is assumed to be what?

[ "dead atom", "surfactants atom", "uncharged atom", "corroborate atom" ]

C

sciq-11385

multiple_choice

What kind of bond doesn't form molecules, but instead forms crystals?

[ "covalent bonds", "magnetic bonds", "electron bonds", "ionic bonds" ]

D

sciq-3008

multiple_choice

What system can be used by scientists to express very small numbers?

[ "scientific diffusion", "certain diffusion", "scientific notation", "similar notation" ]

C

sciq-4020

multiple_choice

Digestive enzymes, including which enzyme, start breaking down starches into sugars?

[ "triglyceride", "melatonin", "amylase", "cortisol" ]

C

ai2_arc-402

multiple_choice

What is the best measure to use in determining the effect of solar energy on Earth's atmosphere?

[ "the temperature of the air", "the temperature of the ocean", "the density of clouds in the sky", "the amount of rainfall on a rainy day" ]

A

sciq-2480

multiple_choice

What organs are the main organs of the urinary system?

[ "gall bladder", "kidneys", "prostate", "spleen" ]

B

sciq-10475

multiple_choice

The central nervous system is composed of the brain and what else?

[ "the spinal cord", "the sclerotic cord", "the dynamic cord", "the lateral cord" ]

A

sciq-6877

multiple_choice

The energy in sunlight is also known as what kind of energy?

[ "geothermal energy", "solar energy", "potential energy", "kinetic energy" ]

B

sciq-2766

multiple_choice

Cells like a prokaryotic cell, a eukaryotic cell has a plasma membrane, cytoplasm, and ribosomes, but a eukaryotic cell is typically larger than a prokaryotic cell, has a true nucleus (meaning its dna is surrounded by a membrane), and has other membrane-bound organelles that allow for what?

[ "misuse of functions", "scrobipalpa of functions", "replicating of functions", "compartmentalization of functions" ]

D

sciq-8411

multiple_choice

Asexual reproduction occurs by what process?

[ "mating", "balancing", "budding", "ripening" ]

C

sciq-7096

multiple_choice

What kind of fossils are excellent markers for correlating the ages of sedimentary rocks?

[ "agonum", "foram", "vertiscom", "euglena" ]

B

sciq-218

multiple_choice

What does a pollinator pick up from its body and carry directly to another plant of the same species?

[ "pollen", "pathogen", "spore", "seed" ]

A

sciq-6094

multiple_choice

What factor other than genes is important in determining adult height?

[ "cultivation", "nutrition", "intelligence", "relaxation" ]

B

sciq-1896

multiple_choice

The change in the characteristics of living things over time is known as _________

[ "variation", "generation", "evolution", "spontaneous mutation" ]

C

sciq-11272

multiple_choice

Scanning acoustic microscopes use what kind of waves to scan a specimen?

[ "radio waves", "heat waves", "gamma waves", "sound waves" ]

D

sciq-10348

multiple_choice

If you drive or take the bus to school or work, you are using a vehicle that probably burns gasoline, a material that burns fairly easily and provides energy to power the vehicle. recall that burning is a?

[ "chemical change", "temperature change", "energy change", "physical change" ]

A

sciq-1582

multiple_choice

Hazardous waste is material that is toxic, chemically active, corrosive, or what?

[ "inactive", "organic", "decomposed", "flammable" ]

D

sciq-6973

multiple_choice

It may seem as though burning destroys matter, but the same amount of what, still exists after a campfire as before?

[ "termperature", "concentrations", "energy", "mass" ]

D

sciq-116

multiple_choice

The radial artery and which artery parallel their namesake bones, giving off smaller branches until they reach the wrist, or carpal region?

[ "ulnar", "triceps", "humerus", "biceps" ]

A

sciq-1623

multiple_choice

What forms when atoms share or transfer valence electrons?

[ "levels", "fusion", "bonds", "replicas" ]

C

sciq-778

multiple_choice

By pulling out grass by its roots and over-grazing, livestock contribute to what negative process?

[ "erosion", "immigration", "evolution", "migration" ]

A