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-2197	multiple_choice	What is the term for a mountain-building event?	[ "volcanism", "orogeny", "glaciation", "erosion" ]	B
sciq-9991	multiple_choice	What is added to alcohol and used as an antiseptic?	[ "arsenic", "iodine", "chlorine", "chloride" ]	B
sciq-7995	multiple_choice	The main functions of what complex carbohydrates are to store energy and form structural tissues?	[ "oligosaccharides", "monosaccharides", "polysaccharides", "polypeptides" ]	C
sciq-1043	multiple_choice	Metalloids, metals, and nonmetals are all classes of what?	[ "compounds", "elements", "protons", "matter" ]	B
sciq-3957	multiple_choice	What composition determines both eruption type and volcano type?	[ "gas", "electrical", "magma", "chemical" ]	C
sciq-7386	multiple_choice	Activities that can reduce the effects of what condition include exercises to keep the blood and lymph flowing through affected areas?	[ "asthma", "edema", "anemia", "inflammation" ]	B
sciq-8388	multiple_choice	The primary application of biotechnology is in what field?	[ "psychology", "medicine", "chemistry", "physics" ]	B
sciq-9081	multiple_choice	Biceps brachii, brachialis, and brachioradialis work to flex what part of the body?	[ "foot", "leg", "lungs", "forearm" ]	D
sciq-10447	multiple_choice	What is speed at any given instant called?	[ "relative speed", "instantaneous speed", "marginal speed", "spontaneous speed" ]	B
sciq-11390	multiple_choice	A reference point is used in measurement to make what?	[ "estimation", "focal point", "regression", "deviation" ]	A
sciq-7045	multiple_choice	What kind of solids are gummi bears or taffy?	[ "candy solids", "imperative solids", "phenomena solids", "amorphous solids" ]	D
sciq-4629	multiple_choice	What are typically named for their major physical or climatic factors in addition to their predominant vegetation?	[ "communities", "aqueous biomes", "habitats", "terrestrial biomes" ]	D
sciq-8260	multiple_choice	Unlike a crystalline solid, an amorphous solid is a solid that lacks a what?	[ "weight", "ordered internal structure", "color", "atoms" ]	B
sciq-5142	multiple_choice	Species distributions are a consequence of both ecological and evolutionary what?	[ "interactions", "isolation", "fluctuations", "particles" ]	A
sciq-2031	multiple_choice	What is the tube-like device used to reliably measure lower levels of radiation?	[ "weber counter", "Richter scale", "MRI machine", "geiger counter" ]	D
sciq-1075	multiple_choice	Scientists did not actually see viruses until what was invented?	[ "telescope", "electronic scale", "electron microscope", "magnifying glass" ]	C
sciq-10817	multiple_choice	Sublimation and deposition involve direct transitions between solid and gas without going through which state?	[ "chemical", "liquid", "carbon", "homeostasis" ]	B
sciq-3599	multiple_choice	The genetic code is universal, unambiguous, and what else?	[ "functional", "efficient", "novel", "redundant" ]	D
ai2_arc-906	multiple_choice	Sam was listing the differences between a euglena and a paramecium. Which characteristic should not be on Sam's list?	[ "only the euglena can respond to light", "only the euglena have a definite shape", "only the euglena use a flagellum to move", "only the euglena can make their own food" ]	B
sciq-10931	multiple_choice	Which landmark book on evolution via natural selection did charles darwin publish in 1859?	[ "on various kinds of animals", "on the origin of mammals", "on the ethnic of species", "on the origin of species" ]	D
sciq-9311	multiple_choice	What is created when the wave source moves faster than the wave propagation speed?	[ "loop wake", "superceding wake", "bow wake", "piece wake" ]	C
sciq-5537	multiple_choice	Birds have air sacs that store inhaled air and push it into their what?	[ "beaks", "lungs", "bones", "abdomens" ]	B
sciq-3455	multiple_choice	When plant type alternates from generation to generation what is this called?	[ "alternation of generation", "differentiation of generation", "change in generation", "turbidity of generation" ]	A
sciq-1350	multiple_choice	As a myotube is formed from many different myoblast cells, it contains many nuclei, but has a continuous what?	[ "cytoplasm", "cerebellum", "mucus", "nucleus" ]	A
sciq-6898	multiple_choice	How many more legs do spiders have compared to insects?	[ "six", "one", "four", "two" ]	D
sciq-10254	multiple_choice	What is released from the body during ejaculation?	[ "sperm", "saliva", "blood", "urine" ]	A
sciq-8925	multiple_choice	The epidermis of the leaf consists of a single layer of which cells?	[ "dermal cells", "endothermic cells", "chloroplasm", "insular cells" ]	A
sciq-3765	multiple_choice	Boyle’s law applies to matter which is in what state?	[ "plasma", "liquids", "solids", "gas" ]	D
sciq-7424	multiple_choice	In the cardiovascular system, where is the ultimate destination of the oxygen-poor blood?	[ "brain", "liver", "lung", "heart" ]	D
sciq-4105	multiple_choice	The amniotic egg first evolved in what species?	[ "birds", "mammals", "amphibians", "reptiles" ]	D
sciq-2139	multiple_choice	How many years ago did early amniotes diverge into two groups?	[ "20 million years", "320 million years", ".416 million years", ".175 million years" ]	B
sciq-5824	multiple_choice	Rather than being dead, dry, and brittle, what support structures of the human body consist of living tissues and are supplied with blood and nerves?	[ "bones", "lungs", "hearts", "feet" ]	A
sciq-11494	multiple_choice	What type of boiling point do nonmetals normally have?	[ "low", "odd", "even", "high" ]	A
sciq-5847	multiple_choice	What are the most successful organisms on earth?	[ "bacteria", "trees", "pests", "humans" ]	A
ai2_arc-712	multiple_choice	A student stands on a scale, and the scale reads 85 pounds. What is being measured by the scale?	[ "the force of gravity acting on the student", "the air pressure surrounding the student", "the mass of the student", "the volume of the student" ]	A
sciq-3353	multiple_choice	What membrane is populated by two types of photosystems that cooperate in the light reactions of photosynthesis?	[ "chloroplasts", "choroid", "subcutaneous", "thylakoid" ]	D
sciq-561	multiple_choice	Certain medications can suppress the immune system. this is an intended effect of drugs given to people with what?	[ "infections", "genetic disorders", "transplanted organs", "benign tumors" ]	C
sciq-10926	multiple_choice	What is named after the type of enzyme they interact with in the cell?	[ "function proteins", "nitrogen proteins", "oxygen proteins", "receptor proteins" ]	D
sciq-6883	multiple_choice	What season causes people to look forward to spring?	[ "winter", "autumn", "summer", "fall" ]	A
sciq-1635	multiple_choice	What works through chemical reactions that change the rock?	[ "chemical breakdown", "rock weathering", "gradual weathering", "chemical weathering" ]	D
sciq-2864	multiple_choice	Modern plants reflect what kind of changes that have occurred over many, many years?	[ "tendency changes", "tissue changes", "unknown changes", "evolutionary changes" ]	D
sciq-221	multiple_choice	What is a device that changes kinetic energy to electrical energy through electromagnetic induction?	[ "a battery", "an electric generator", "a windmill", "a diesel engine" ]	B
sciq-967	multiple_choice	The plasma membrane of a skeletal muscle fiber is called the what?	[ "annulata", "sarcolemma", "soleus", "sheath" ]	B
sciq-2767	multiple_choice	Colonial organisms were probably one of the first evolutionary steps towards which type of organisms?	[ "double cellular", "mutated", "multicellular", "fetus" ]	C
sciq-169	multiple_choice	As a polycrystalline material solidifies, grains with irregular shapes form. the interfaces between grains constitute grain what?	[ "waves", "obstacles", "boundaries", "patterns" ]	C
sciq-1401	multiple_choice	How many different types of taste neurons does the tongue contain?	[ "four", "ten", "five", "three" ]	C
sciq-10260	multiple_choice	What is the purpose of your body's first line of defense?	[ "heal wounds", "reject foreign bodies", "to keep out pathogens", "fight or flight" ]	C
sciq-9263	multiple_choice	The nephron is the functional unit of what pair of organs?	[ "eyes", "lungs", "kidneys", "ribs" ]	C
sciq-8582	multiple_choice	What do most organisms eat in the profundal zone of a lake?	[ "dead organisms", "algae organism", "fresh organisms", "fish waste" ]	A
sciq-1404	multiple_choice	During metamorphosis, most salamander species go through what aquatic stage on the way to becoming adults?	[ "metaphase", "prophase", "anaphase", "larval stage" ]	D
sciq-8010	multiple_choice	For many decades, scientists have known that atoms consist of electrons and other particles called protons and?	[ "neutrons", "waves", "rods", "nanoparticles" ]	A
sciq-9750	multiple_choice	What is the role of the sodium ion in the neutralization reaction of sodium flouride?	[ "team ion", "reflection ion", "circuit ion", "spectator ion" ]	D
sciq-5123	multiple_choice	Archaeal cell walls contain a variety of polysaccharides and proteins but lack what?	[ "RNA", "S-layers", "peptidoglycan", "DNA" ]	C
sciq-10839	multiple_choice	Most tunicates live a sessile existence in shallow ocean waters and are suspension feeders. the primary foods of tunicates are plankton and this?	[ "detritus", "debris", "bacteria", "crustaceans" ]	A
ai2_arc-1100	multiple_choice	Which is an example of a human-made product?	[ "cake", "tomato", "wheat", "coal" ]	A
sciq-10588	multiple_choice	An environment in which cells neither sink nor swell is known as what?	[ "exothermic environment", "electrolyte environment", "pressured environment", "isotonic environment" ]	D
sciq-3820	multiple_choice	What is the connecting piece of a sperm packed with?	[ "glucose", "protein", "mitochondria", "Gelatin" ]	C
scienceQA-11463	multiple_choice	Select the amphibian.	[ "domestic pig", "western rattlesnake", "green tree frog", "water buffalo" ]	C	A domestic pig is a mammal. It has hair and feeds its young milk. Pigs are omnivores. This means that they can eat both plants and animals. A western rattlesnake is a reptile. It has scaly, waterproof skin. Rattlesnakes have fangs they can use to inject venom into their prey. A water buffalo is a mammal. It has hair and feeds its young milk. Water buffaloes live in Asia. Some people raise water buffaloes for their milk. A green tree frog is an amphibian. It has moist skin and begins its life in water. There are many kinds of tree frogs. Most tree frogs are very small. They can walk on thin branches.
sciq-1578	multiple_choice	What is the term for the most abundant species in a community, characterized by high competitive abilities?	[ "merging species", "carnivores", "keystone species", "dominant species" ]	D
sciq-6249	multiple_choice	What is the name for a series of changes in the reproductive system of mature females that repeats every month on average?	[ "menstrual cycle", "periodic table", "urinary cycle", "puberty" ]	A
sciq-10557	multiple_choice	List the three major types of blood vessels.	[ "vessels, tubes, veins", "arteries,capillaries, veins", "vessels, arteries, capillaries", "veins, capillaries, vessels" ]	B
sciq-3038	multiple_choice	What term is used to describe the line of latitude right in the middle of the planet?	[ "Prime Meridian", "orbital", "equator", "pole" ]	C
sciq-11033	multiple_choice	What significant part of the cell do prokaryotic cells lack?	[ "mitochondrial dna", "a ribosome", "a cell wall", "a nucleus" ]	D
sciq-9667	multiple_choice	A transformer has two coils, electrically insulated from each other. one coil is called the primary coil and the other is called the what?	[ "secondary coil", "quadratic coil", "tertiary coil", "young coil" ]	A
sciq-4905	multiple_choice	An individual with the appropriate number of what for their species is called euploid; abnormalities in this number include trisomy and monosomy?	[ "chromosomes", "ribosomes", "genes", "neutrons" ]	A
sciq-8266	multiple_choice	What was diorite commonly used for in ancient civilizations?	[ "school", "currency", "medicine", "art" ]	D
scienceQA-1836	multiple_choice	What do these two changes have in common? mixing lettuce and salad dressing carving a piece of wood	[ "Both are caused by cooling.", "Both are chemical changes.", "Both are caused by heating.", "Both are only physical changes." ]	D	Step 1: Think about each change. Mixing lettuce and salad dressing is a physical change. Together, the salad and dressing make a mixture. But making this mixture does not form a different type of matter. Carving a piece of wood is a physical change. The wood changes 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-4799	multiple_choice	What are double sugars called?	[ "sodiums", "monosaccharides", "disaccharides", "silicates" ]	C
scienceQA-6808	multiple_choice	What do these two changes have in common? mixing sand and gravel using a large magnet to remove pieces of iron from a junkyard	[ "Both are caused by heating.", "Both are caused by cooling.", "Both are chemical changes.", "Both are only physical changes." ]	D	Step 1: Think about each change. 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. Using a large magnet to remove pieces of iron from a junkyard is a physical change. Both the iron and the magnet are 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-2734	multiple_choice	Organs, vessels, and lymph make up what system?	[ "nervous", "lymphatic", "circulatory", "digestive" ]	B
sciq-7314	multiple_choice	Which gas is released by the group of archaea known as methanogens?	[ "butane", "propane", "methane", "sulfur" ]	C
sciq-2865	multiple_choice	What device measures current that flows through wire?	[ "protractor", "ammeter", "Geiger counter", "resistor attachment" ]	B
sciq-5909	multiple_choice	What do aggregate fruits like raspberries form from?	[ "chloroplast fused together", "carpels fused together", "follicles fused together", "germinoles fused together" ]	B
sciq-1564	multiple_choice	What occurs when water on the surface changes to water vapor?	[ "condensation", "photosynthesis", "oxidation", "evaporation" ]	D
ai2_arc-160	multiple_choice	Heat transfer is part of everyday life. Which of these examples involving heat transfer occurs mainly by conduction?	[ "The sun warms the ground.", "A hot oven warms a cold kitchen.", "A campfire warms a person's hands.", "Hot soup warms a metal spoon handle." ]	D
sciq-1864	multiple_choice	What system consists of all the muscles of the body?	[ "vascular", "digestive", "muscular", "endocrine" ]	C
sciq-7204	multiple_choice	What is the only class of animals that has hair?	[ "amphibians", "reptiles", "mammals", "birds" ]	C
sciq-4509	multiple_choice	What do cells do in order to replace damaged or worn out cells?	[ "replicate", "divide", "fold", "die" ]	B
sciq-9637	multiple_choice	Although it is the easiest to observe, what property is not ideal as a sole way to identify minerals?	[ "temperature", "composition", "color", "density" ]	C
sciq-8005	multiple_choice	Enzymes in cellular reactions work to do what to the reaction?	[ "slow it down", "decrease heat", "increase yield", "speed it up" ]	D
sciq-6690	multiple_choice	Which organ in the human body filters blood and excretes urine?	[ "the liver", "the kidney", "the thyroid", "the bladder" ]	B
sciq-8534	multiple_choice	What is the disease in which bronchioles in the lungs periodically swell and fill with mucus?	[ "nausea", "asthma", "leukemia", "allergy" ]	B
sciq-8201	multiple_choice	What organ interprets what our sensory organs sense?	[ "lungs", "nerves", "thyroid", "brain" ]	D
scienceQA-4130	multiple_choice	Select the bird.	[ "grass frog", "arroyo toad", "penguin", "coral snake" ]	C	A coral snake is a reptile. It has scaly, waterproof skin. Coral snakes spend most of their time underground or hiding under leaves. A grass frog is an amphibian. It has moist skin and begins its life in water. Frogs live near water or in damp places. Most frogs lay their eggs in water. An arroyo toad is an amphibian. It has moist skin and begins its life in water. Toads do not have teeth! They swallow their food whole. A penguin is a bird. It has feathers, two wings, and a beak. Penguins live near water. Penguins cannot fly! They use their wings to swim.
sciq-4454	multiple_choice	Found in cord blood and other sources, what kind of cells hold the promise of renewing and repairing body tissues?	[ "neurons", "red blood cells", "white blood cells", "stem cells" ]	D
sciq-9295	multiple_choice	Intermediate filaments tend to give the structural stability to what?	[ "cells", "nerves", "proteins", "muscles" ]	A
sciq-5281	multiple_choice	In the universe as a whole, what is the most common element?	[ "oxygen", "hydrogen", "helium", "carbon" ]	B
sciq-1893	multiple_choice	What is the term for tough, flexible connective tissue that contains the protein collagen?	[ "muscle", "cartilage", "cuticle", "membrane" ]	B
sciq-10490	multiple_choice	What happens to volume as the temperature increases?	[ "volume fluctuates", "volume increases", "volume decreases", "volume is unchanged" ]	B
sciq-3448	multiple_choice	What is the term for the relationship in which one species benefits while the other species is harmed?	[ "combative relationship", "parasitic relationship", "commensal relationship", "symbiotic relationship" ]	D
sciq-2781	multiple_choice	Fractures, rickets, and osteoarthritis all affect what part(s) of the body?	[ "animals", "fossils", "bones", "Heart" ]	C
sciq-1995	multiple_choice	Blood helps maintain homeostasis by stabilizing ph, temperature, osmotic pressure, and by eliminating this?	[ "excess heat", "toxins", "acid", "water" ]	A
sciq-7323	multiple_choice	Why do waves travel faster through solids?	[ "particles pipe together", "particles closer together", "particles fuse together", "particles range together" ]	B
sciq-558	multiple_choice	What results when the water vapor from a hot shower contacts the cooler surface of a mirror?	[ "foggy mirror", "mirror brightens", "cleaner mirror", "the mirror breaks" ]	A
sciq-8562	multiple_choice	Lactose intolerance is a condition characterized by indigestion caused by this?	[ "dairy products", "pasteurized products", "fried products", "raw products" ]	A
sciq-6306	multiple_choice	What leads to multiple copies of a chromosomal region?	[ "subtractions", "duplications (or amplifications )", "gene modification", "minimilizations" ]	B
scienceQA-2105	multiple_choice	Select the liquid.	[ "chalk", "water in a sink", "flower petals", "stuffed rabbit" ]	B	A flower petal is a solid. A solid has a size and shape of its own. When a butterfly lands on a flower petal, the petal may bend. But the petal will still have its own shape. Chalk is a solid. You can easily break chalk into pieces. But each piece will still have a size and shape of its own. A stuffed rabbit is a solid. A solid has a size and shape of its own. When you hold a stuffed rabbit in your hands, the stuffed rabbit still has a size and shape of its own. The water in a sink is a liquid. A liquid takes the shape of any container it is in. If you move the water from a sink into a different container, the water will take the shape of that container. But the water will still take up the same amount of space.
sciq-2956	multiple_choice	What is the largest body in the solar system?	[ "earth", "planet", "sun", "asteroids" ]	C
sciq-5158	multiple_choice	What type of electrons are attracted to the positive nucleus?	[ "negative electrons", "passive electrons", "turbulent electrons", "particular electrons" ]	A
sciq-7343	multiple_choice	What type of energy is possessed by autumn leaves before they fall?	[ "radioactive energy", "mechanical energy", "kinetic energy", "potential energy" ]	D

sciq-2197

multiple_choice

What is the term for a mountain-building event?

[ "volcanism", "orogeny", "glaciation", "erosion" ]

B

sciq-9991

multiple_choice

What is added to alcohol and used as an antiseptic?

[ "arsenic", "iodine", "chlorine", "chloride" ]

B

sciq-7995

multiple_choice

The main functions of what complex carbohydrates are to store energy and form structural tissues?

[ "oligosaccharides", "monosaccharides", "polysaccharides", "polypeptides" ]

C

sciq-1043

multiple_choice

Metalloids, metals, and nonmetals are all classes of what?

[ "compounds", "elements", "protons", "matter" ]

B

sciq-3957

multiple_choice

What composition determines both eruption type and volcano type?

[ "gas", "electrical", "magma", "chemical" ]

C

sciq-7386

multiple_choice

Activities that can reduce the effects of what condition include exercises to keep the blood and lymph flowing through affected areas?

[ "asthma", "edema", "anemia", "inflammation" ]

B

sciq-8388

multiple_choice

The primary application of biotechnology is in what field?

[ "psychology", "medicine", "chemistry", "physics" ]

B

sciq-9081

multiple_choice

Biceps brachii, brachialis, and brachioradialis work to flex what part of the body?

[ "foot", "leg", "lungs", "forearm" ]

D

sciq-10447

multiple_choice

What is speed at any given instant called?

[ "relative speed", "instantaneous speed", "marginal speed", "spontaneous speed" ]

B

sciq-11390

multiple_choice

A reference point is used in measurement to make what?

[ "estimation", "focal point", "regression", "deviation" ]

A

sciq-7045

multiple_choice

What kind of solids are gummi bears or taffy?

[ "candy solids", "imperative solids", "phenomena solids", "amorphous solids" ]

D

sciq-4629

multiple_choice

What are typically named for their major physical or climatic factors in addition to their predominant vegetation?

[ "communities", "aqueous biomes", "habitats", "terrestrial biomes" ]

D

sciq-8260

multiple_choice

Unlike a crystalline solid, an amorphous solid is a solid that lacks a what?

[ "weight", "ordered internal structure", "color", "atoms" ]

B

sciq-5142

multiple_choice

Species distributions are a consequence of both ecological and evolutionary what?

[ "interactions", "isolation", "fluctuations", "particles" ]

A

sciq-2031

multiple_choice

What is the tube-like device used to reliably measure lower levels of radiation?

[ "weber counter", "Richter scale", "MRI machine", "geiger counter" ]

D

sciq-1075

multiple_choice

Scientists did not actually see viruses until what was invented?

[ "telescope", "electronic scale", "electron microscope", "magnifying glass" ]

C

sciq-10817

multiple_choice

Sublimation and deposition involve direct transitions between solid and gas without going through which state?

[ "chemical", "liquid", "carbon", "homeostasis" ]

B

sciq-3599

multiple_choice

The genetic code is universal, unambiguous, and what else?

[ "functional", "efficient", "novel", "redundant" ]

D

ai2_arc-906

multiple_choice

Sam was listing the differences between a euglena and a paramecium. Which characteristic should not be on Sam's list?

[ "only the euglena can respond to light", "only the euglena have a definite shape", "only the euglena use a flagellum to move", "only the euglena can make their own food" ]

B

sciq-10931

multiple_choice

Which landmark book on evolution via natural selection did charles darwin publish in 1859?

[ "on various kinds of animals", "on the origin of mammals", "on the ethnic of species", "on the origin of species" ]

D

sciq-9311

multiple_choice

What is created when the wave source moves faster than the wave propagation speed?

[ "loop wake", "superceding wake", "bow wake", "piece wake" ]

C

sciq-5537

multiple_choice

Birds have air sacs that store inhaled air and push it into their what?

[ "beaks", "lungs", "bones", "abdomens" ]

B

sciq-3455

multiple_choice

When plant type alternates from generation to generation what is this called?

[ "alternation of generation", "differentiation of generation", "change in generation", "turbidity of generation" ]

A

sciq-1350

multiple_choice

As a myotube is formed from many different myoblast cells, it contains many nuclei, but has a continuous what?

[ "cytoplasm", "cerebellum", "mucus", "nucleus" ]

A

sciq-6898

multiple_choice

How many more legs do spiders have compared to insects?

[ "six", "one", "four", "two" ]

D

sciq-10254

multiple_choice

What is released from the body during ejaculation?

[ "sperm", "saliva", "blood", "urine" ]

A

sciq-8925

multiple_choice

The epidermis of the leaf consists of a single layer of which cells?

[ "dermal cells", "endothermic cells", "chloroplasm", "insular cells" ]

A

sciq-3765

multiple_choice

Boyle’s law applies to matter which is in what state?

[ "plasma", "liquids", "solids", "gas" ]

D

sciq-7424

multiple_choice

In the cardiovascular system, where is the ultimate destination of the oxygen-poor blood?

[ "brain", "liver", "lung", "heart" ]

D

sciq-4105

multiple_choice

The amniotic egg first evolved in what species?

[ "birds", "mammals", "amphibians", "reptiles" ]

D

sciq-2139

multiple_choice

How many years ago did early amniotes diverge into two groups?

[ "20 million years", "320 million years", ".416 million years", ".175 million years" ]

B

sciq-5824

multiple_choice

Rather than being dead, dry, and brittle, what support structures of the human body consist of living tissues and are supplied with blood and nerves?

[ "bones", "lungs", "hearts", "feet" ]

A

sciq-11494

multiple_choice

What type of boiling point do nonmetals normally have?

[ "low", "odd", "even", "high" ]

A

sciq-5847

multiple_choice

What are the most successful organisms on earth?

[ "bacteria", "trees", "pests", "humans" ]

A

ai2_arc-712

multiple_choice

A student stands on a scale, and the scale reads 85 pounds. What is being measured by the scale?

[ "the force of gravity acting on the student", "the air pressure surrounding the student", "the mass of the student", "the volume of the student" ]

A

sciq-3353

multiple_choice

What membrane is populated by two types of photosystems that cooperate in the light reactions of photosynthesis?

[ "chloroplasts", "choroid", "subcutaneous", "thylakoid" ]

D

sciq-561

multiple_choice

Certain medications can suppress the immune system. this is an intended effect of drugs given to people with what?

[ "infections", "genetic disorders", "transplanted organs", "benign tumors" ]

C

sciq-10926

multiple_choice

What is named after the type of enzyme they interact with in the cell?

[ "function proteins", "nitrogen proteins", "oxygen proteins", "receptor proteins" ]

D

sciq-6883

multiple_choice

What season causes people to look forward to spring?

[ "winter", "autumn", "summer", "fall" ]

A

sciq-1635

multiple_choice

What works through chemical reactions that change the rock?

[ "chemical breakdown", "rock weathering", "gradual weathering", "chemical weathering" ]

D

sciq-2864

multiple_choice

Modern plants reflect what kind of changes that have occurred over many, many years?

[ "tendency changes", "tissue changes", "unknown changes", "evolutionary changes" ]

D

sciq-221

multiple_choice

What is a device that changes kinetic energy to electrical energy through electromagnetic induction?

[ "a battery", "an electric generator", "a windmill", "a diesel engine" ]

B

sciq-967

multiple_choice

The plasma membrane of a skeletal muscle fiber is called the what?

[ "annulata", "sarcolemma", "soleus", "sheath" ]

B

sciq-2767

multiple_choice

Colonial organisms were probably one of the first evolutionary steps towards which type of organisms?

[ "double cellular", "mutated", "multicellular", "fetus" ]

C

sciq-169

multiple_choice

As a polycrystalline material solidifies, grains with irregular shapes form. the interfaces between grains constitute grain what?

[ "waves", "obstacles", "boundaries", "patterns" ]

C

sciq-1401

multiple_choice

How many different types of taste neurons does the tongue contain?

[ "four", "ten", "five", "three" ]

C

sciq-10260

multiple_choice

What is the purpose of your body's first line of defense?

[ "heal wounds", "reject foreign bodies", "to keep out pathogens", "fight or flight" ]

C

sciq-9263

multiple_choice

The nephron is the functional unit of what pair of organs?

[ "eyes", "lungs", "kidneys", "ribs" ]

C

sciq-8582

multiple_choice

What do most organisms eat in the profundal zone of a lake?

[ "dead organisms", "algae organism", "fresh organisms", "fish waste" ]

A

sciq-1404

multiple_choice

During metamorphosis, most salamander species go through what aquatic stage on the way to becoming adults?

[ "metaphase", "prophase", "anaphase", "larval stage" ]

D

sciq-8010

multiple_choice

For many decades, scientists have known that atoms consist of electrons and other particles called protons and?

[ "neutrons", "waves", "rods", "nanoparticles" ]

A

sciq-9750

multiple_choice

What is the role of the sodium ion in the neutralization reaction of sodium flouride?

[ "team ion", "reflection ion", "circuit ion", "spectator ion" ]

D

sciq-5123

multiple_choice

Archaeal cell walls contain a variety of polysaccharides and proteins but lack what?

[ "RNA", "S-layers", "peptidoglycan", "DNA" ]

C

sciq-10839

multiple_choice

Most tunicates live a sessile existence in shallow ocean waters and are suspension feeders. the primary foods of tunicates are plankton and this?

[ "detritus", "debris", "bacteria", "crustaceans" ]

A

ai2_arc-1100

multiple_choice

Which is an example of a human-made product?

[ "cake", "tomato", "wheat", "coal" ]

A

sciq-10588

multiple_choice

An environment in which cells neither sink nor swell is known as what?

[ "exothermic environment", "electrolyte environment", "pressured environment", "isotonic environment" ]

D

sciq-3820

multiple_choice

What is the connecting piece of a sperm packed with?

[ "glucose", "protein", "mitochondria", "Gelatin" ]

C

scienceQA-11463

multiple_choice

Select the amphibian.

[ "domestic pig", "western rattlesnake", "green tree frog", "water buffalo" ]

C

A domestic pig is a mammal. It has hair and feeds its young milk. Pigs are omnivores. This means that they can eat both plants and animals. A western rattlesnake is a reptile. It has scaly, waterproof skin. Rattlesnakes have fangs they can use to inject venom into their prey. A water buffalo is a mammal. It has hair and feeds its young milk. Water buffaloes live in Asia. Some people raise water buffaloes for their milk. A green tree frog is an amphibian. It has moist skin and begins its life in water. There are many kinds of tree frogs. Most tree frogs are very small. They can walk on thin branches.

sciq-1578

multiple_choice

What is the term for the most abundant species in a community, characterized by high competitive abilities?

[ "merging species", "carnivores", "keystone species", "dominant species" ]

D

sciq-6249

multiple_choice

What is the name for a series of changes in the reproductive system of mature females that repeats every month on average?

[ "menstrual cycle", "periodic table", "urinary cycle", "puberty" ]

A

sciq-10557

multiple_choice

List the three major types of blood vessels.

[ "vessels, tubes, veins", "arteries,capillaries, veins", "vessels, arteries, capillaries", "veins, capillaries, vessels" ]

B

sciq-3038

multiple_choice

What term is used to describe the line of latitude right in the middle of the planet?

[ "Prime Meridian", "orbital", "equator", "pole" ]

C

sciq-11033

multiple_choice

What significant part of the cell do prokaryotic cells lack?

[ "mitochondrial dna", "a ribosome", "a cell wall", "a nucleus" ]

D

sciq-9667

multiple_choice

A transformer has two coils, electrically insulated from each other. one coil is called the primary coil and the other is called the what?

[ "secondary coil", "quadratic coil", "tertiary coil", "young coil" ]

A

sciq-4905

multiple_choice

An individual with the appropriate number of what for their species is called euploid; abnormalities in this number include trisomy and monosomy?

[ "chromosomes", "ribosomes", "genes", "neutrons" ]

A

sciq-8266

multiple_choice

What was diorite commonly used for in ancient civilizations?

[ "school", "currency", "medicine", "art" ]

D

scienceQA-1836

multiple_choice

What do these two changes have in common? mixing lettuce and salad dressing carving a piece of wood

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

D

Step 1: Think about each change. Mixing lettuce and salad dressing is a physical change. Together, the salad and dressing make a mixture. But making this mixture does not form a different type of matter. Carving a piece of wood is a physical change. The wood changes 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-4799

multiple_choice

What are double sugars called?

[ "sodiums", "monosaccharides", "disaccharides", "silicates" ]

C

scienceQA-6808

multiple_choice

What do these two changes have in common? mixing sand and gravel using a large magnet to remove pieces of iron from a junkyard

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

D

Step 1: Think about each change. 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. Using a large magnet to remove pieces of iron from a junkyard is a physical change. Both the iron and the magnet are 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-2734

multiple_choice

Organs, vessels, and lymph make up what system?

[ "nervous", "lymphatic", "circulatory", "digestive" ]

B

sciq-7314

multiple_choice

Which gas is released by the group of archaea known as methanogens?

[ "butane", "propane", "methane", "sulfur" ]

C

sciq-2865

multiple_choice

What device measures current that flows through wire?

[ "protractor", "ammeter", "Geiger counter", "resistor attachment" ]

B

sciq-5909

multiple_choice

What do aggregate fruits like raspberries form from?

[ "chloroplast fused together", "carpels fused together", "follicles fused together", "germinoles fused together" ]

B

sciq-1564

multiple_choice

What occurs when water on the surface changes to water vapor?

[ "condensation", "photosynthesis", "oxidation", "evaporation" ]

D

ai2_arc-160

multiple_choice

Heat transfer is part of everyday life. Which of these examples involving heat transfer occurs mainly by conduction?

[ "The sun warms the ground.", "A hot oven warms a cold kitchen.", "A campfire warms a person's hands.", "Hot soup warms a metal spoon handle." ]

D

sciq-1864

multiple_choice

What system consists of all the muscles of the body?

[ "vascular", "digestive", "muscular", "endocrine" ]

C

sciq-7204

multiple_choice

What is the only class of animals that has hair?

[ "amphibians", "reptiles", "mammals", "birds" ]

C

sciq-4509

multiple_choice

What do cells do in order to replace damaged or worn out cells?

[ "replicate", "divide", "fold", "die" ]

B

sciq-9637

multiple_choice

Although it is the easiest to observe, what property is not ideal as a sole way to identify minerals?

[ "temperature", "composition", "color", "density" ]

C

sciq-8005

multiple_choice

Enzymes in cellular reactions work to do what to the reaction?

[ "slow it down", "decrease heat", "increase yield", "speed it up" ]

D

sciq-6690

multiple_choice

Which organ in the human body filters blood and excretes urine?

[ "the liver", "the kidney", "the thyroid", "the bladder" ]

B

sciq-8534

multiple_choice

What is the disease in which bronchioles in the lungs periodically swell and fill with mucus?

[ "nausea", "asthma", "leukemia", "allergy" ]

B

sciq-8201

multiple_choice

What organ interprets what our sensory organs sense?

[ "lungs", "nerves", "thyroid", "brain" ]

D

scienceQA-4130

multiple_choice

Select the bird.

[ "grass frog", "arroyo toad", "penguin", "coral snake" ]

C

A coral snake is a reptile. It has scaly, waterproof skin. Coral snakes spend most of their time underground or hiding under leaves. A grass frog is an amphibian. It has moist skin and begins its life in water. Frogs live near water or in damp places. Most frogs lay their eggs in water. An arroyo toad is an amphibian. It has moist skin and begins its life in water. Toads do not have teeth! They swallow their food whole. A penguin is a bird. It has feathers, two wings, and a beak. Penguins live near water. Penguins cannot fly! They use their wings to swim.

sciq-4454

multiple_choice

Found in cord blood and other sources, what kind of cells hold the promise of renewing and repairing body tissues?

[ "neurons", "red blood cells", "white blood cells", "stem cells" ]

D

sciq-9295

multiple_choice

Intermediate filaments tend to give the structural stability to what?

[ "cells", "nerves", "proteins", "muscles" ]

A

sciq-5281

multiple_choice

In the universe as a whole, what is the most common element?

[ "oxygen", "hydrogen", "helium", "carbon" ]

B

sciq-1893

multiple_choice

What is the term for tough, flexible connective tissue that contains the protein collagen?

[ "muscle", "cartilage", "cuticle", "membrane" ]

B

sciq-10490

multiple_choice

What happens to volume as the temperature increases?

[ "volume fluctuates", "volume increases", "volume decreases", "volume is unchanged" ]

B

sciq-3448

multiple_choice

What is the term for the relationship in which one species benefits while the other species is harmed?

[ "combative relationship", "parasitic relationship", "commensal relationship", "symbiotic relationship" ]

D

sciq-2781

multiple_choice

Fractures, rickets, and osteoarthritis all affect what part(s) of the body?

[ "animals", "fossils", "bones", "Heart" ]

C

sciq-1995

multiple_choice

Blood helps maintain homeostasis by stabilizing ph, temperature, osmotic pressure, and by eliminating this?

[ "excess heat", "toxins", "acid", "water" ]

A

sciq-7323

multiple_choice

Why do waves travel faster through solids?

[ "particles pipe together", "particles closer together", "particles fuse together", "particles range together" ]

B

sciq-558

multiple_choice

What results when the water vapor from a hot shower contacts the cooler surface of a mirror?

[ "foggy mirror", "mirror brightens", "cleaner mirror", "the mirror breaks" ]

A

sciq-8562

multiple_choice

Lactose intolerance is a condition characterized by indigestion caused by this?

[ "dairy products", "pasteurized products", "fried products", "raw products" ]

A

sciq-6306

multiple_choice

What leads to multiple copies of a chromosomal region?

[ "subtractions", "duplications (or amplifications )", "gene modification", "minimilizations" ]

B

scienceQA-2105

multiple_choice

Select the liquid.

[ "chalk", "water in a sink", "flower petals", "stuffed rabbit" ]

B

A flower petal is a solid. A solid has a size and shape of its own. When a butterfly lands on a flower petal, the petal may bend. But the petal will still have its own shape. Chalk is a solid. You can easily break chalk into pieces. But each piece will still have a size and shape of its own. A stuffed rabbit is a solid. A solid has a size and shape of its own. When you hold a stuffed rabbit in your hands, the stuffed rabbit still has a size and shape of its own. The water in a sink is a liquid. A liquid takes the shape of any container it is in. If you move the water from a sink into a different container, the water will take the shape of that container. But the water will still take up the same amount of space.

sciq-2956

multiple_choice

What is the largest body in the solar system?

[ "earth", "planet", "sun", "asteroids" ]

C

sciq-5158

multiple_choice

What type of electrons are attracted to the positive nucleus?

[ "negative electrons", "passive electrons", "turbulent electrons", "particular electrons" ]

A

sciq-7343

multiple_choice

What type of energy is possessed by autumn leaves before they fall?

[ "radioactive energy", "mechanical energy", "kinetic energy", "potential energy" ]

D