viols/sciq-mcqa · Datasets at Hugging Face

question stringlengths 23 307	id stringlengths 10 10	choices listlengths 4 4	answer stringclasses 4 values
What occurs when a population reaches the carrying capacity?	sciq-00900	[ "impact stops", "growth stops", "core stops", "growth increases" ]	B
What is the form of logical thinking that uses related observations to arrive at a general conclusion called?	sciq-00901	[ "theory reasoning", "inductive reasoning", "deductive logic", "hypthetical thinking" ]	B
Carbon can form single, double, or triple what with other carbon atoms	sciq-00902	[ "phenotype bonds", "covalent bonds", "electron bonds", "ionic bonds" ]	B
Wind or water that travels toward the poles from the equator curves in which direction?	sciq-00903	[ "downward", "east", "upward", "west" ]	B
What is defined as the ability to cause changes in matter?	sciq-00904	[ "fuel", "energy", "pressure", "transcription" ]	B
Some spindle microtubules attach to the kinetochores of chromosomes and move the chromosomes to what plate?	sciq-00905	[ "interstitium plate", "metaphase plate", "boundary plate", "prophase plate" ]	B
What do plants use to make food for themselves and most other organisms?	sciq-00906	[ "heat", "light", "electricity", "gravity" ]	B
Chlorophylls and carotenoids are the two major classes of pigments associated with what process and found in plants and algae?	sciq-00907	[ "photosynthesis", "osmosis", "glycolysis", "mitosis" ]	A
What is created when you combine simple machines?	sciq-00908	[ "factories", "digital devices", "compound machines", "motors" ]	C
What is the general term for a parasite that causes disease ?	sciq-00909	[ "predator parasite", "pathogenic parasite", "noxious parasite", "avian parasite" ]	B
What device measures atmospheric pressure and can be used as an altimeter?	sciq-00910	[ "indicator", "thermometer", "barometer", "speedometer" ]	C
What are solid-solid solutions like brass and bronze called?	sciq-00911	[ "mixtures", "amalgams", "alloys", "oxides" ]	C
What is the main element in organic compounds?	sciq-00912	[ "carbon", "helium", "oxygen", "hydrogen" ]	A
In living systems, diffusion of substances into and out of cells is mediated by the what?	sciq-00913	[ "plasma membrane", "cells membrane", "Plant membrane", "battery membrane" ]	A
Desertification can result from slash-and-burn agriculture, which causes loss of what?	sciq-00914	[ "fertilizer", "subsoil", "topsoil", "sediment" ]	C
What are certain numbers of nucleons, known as magic numbers stable against?	sciq-00915	[ "radiation", "water", "half-lifes", "nuclear decay" ]	D
Electron capture occurs when an inner shell electron combines with a proton and is converted into what?	sciq-00916	[ "photon", "protein", "nuclei", "neutron" ]	D
What system consists of neurons that carry signals to skeletal muscles?	sciq-00917	[ "circulatory system", "nervous system", "motor system", "endocrine system" ]	C
Cross-pollination—or out-crossing—leads to greater genetic diversity because the microgametophyte and megagametophyte are derived from what?	sciq-00918	[ "the same species", "different plants", "the same plant", "dead plants" ]	B
Cancers are caused by a series of what?	sciq-00919	[ "microbes", "parasites", "adaptations", "mutations" ]	D
In comparison to light, the speed of sound is faster or slower?	sciq-00920	[ "sound does does not travel", "faster", "the same", "slower" ]	D
What type of fossils are of organisms that lived over a wide area for a fairly short period of time and are used to determine the age of the rock it is in?	sciq-00921	[ "rate fossils", "index fossils", "reference fossils", "inventory fossils" ]	B
What term is defined as the preserved remains or traces of organisms that lived during earlier ages?	sciq-00922	[ "archaeology", "fossils", "deposits", "taxidermy" ]	B
Which glands produce milk after the birth of offspring?	sciq-00923	[ "mammary", "Pituitary gland", "Thyroid gland", "adrenal glands" ]	A
Reduction often involves the gain of hydrogen, the loss of oxygen, or the gain of what?	sciq-00924	[ "protons", "neutrons", "mass", "electrons" ]	D
What is a short band of tough connective tissue that connects bones together to form a joint?	sciq-00925	[ "a tendon", "cartilage", "a ligament", "muscle tissue" ]	C
When you burn wood into ash or burn a marshmallow to become brown and crispy, it is impossible to undo. this change is known as what?	sciq-00926	[ "carbon change", "compounding change", "chemical change", "physical change" ]	C
Which biomes are determined mainly by sunlight and concentrations of dissolved oxygen and nutrients in the water?	sciq-00927	[ "bacterial", "symbiotic", "aquatic", "viral" ]	C
What is the moon's shadow's inner part called?	sciq-00928	[ "umbra", "mullah", "aurora", "penumbra" ]	A
The earliest known mammal fossils are from which period?	sciq-00929	[ "early jurassic", "Mesosoic period", "Cretaceous Period", "Tertiary" ]	A
Each parapodium has numerous chaetae, bristles made of what?	sciq-00930	[ "chitin", "ricin", "casein", "lectin" ]	A
What phylum includes sponges, which are aquatic invertebrates?	sciq-00931	[ "mollusca", "chordata", "hymenoptera", "porifera" ]	D
Which are the three most important temperature scales?	sciq-00932	[ "Kelvin, celcius, richter", "thermoelectric , celsius , kelvin", "temperatures , celsius , kelvin", "fahrenheit, celsius, kelvin" ]	D
What part of the body does caffeine stimulate?	sciq-00933	[ "large nervous system", "sympathetic nervous system", "central nervous system", "autonomic nervous system" ]	C
An alpha particle, which is emitted during alpha decay, consists of two protons and what else?	sciq-00934	[ "two positrons", "two electrons", "two neutrons", "two nuclei" ]	C
Melanin in skin is produced in response to exposure to what type of light?	sciq-00935	[ "visible light", "x rays", "uv light", "infrared light" ]	C
Protein molecules are made up of chains of small molecules made up of what kinds of acids?	sciq-00936	[ "amino acids", "mutation acids", "hydrochloric acids", "rna acids" ]	A
Which element has the highest electronegativity value?	sciq-00937	[ "chlorine", "Barium", "magnesium", "fluorine" ]	D
When small particles, such as clay and silt, are in mixed in water but do not disolve in the water, what state are they in?	sciq-00938	[ "suspension", "mud", "incomplete", "sedimentation" ]	A
When a person stands on the floor, his feet exert what on the surface?	sciq-00939	[ "pressure", "resistance", "acceleration", "power" ]	A
Molds that grow on bread are from what kingdom?	sciq-00940	[ "animal", "fungi", "pollen", "yeast" ]	B
What is defined as the change in the size of the population over time?	sciq-00941	[ "overpopulation", "extinction", "population density", "population growth" ]	D
The frequency of sound waves is measured in what, or the number of waves that pass a fixed point in a second?	sciq-00942	[ "watts", "avis", "hertz", "Ohms" ]	C
What are examples of parasitic athropods?	sciq-00943	[ "crabs and clams", "ticks and many mites", "spiders and fleas", "bees and wasps" ]	B
In a position-time graph, what does the slope of the line represent?	sciq-00944	[ "velocity", "time", "position", "direction" ]	A
Salmon must do what when they migrate from freshwater to the ocean?	sciq-00945	[ "synthesize", "acclimatize", "regenerate", "adapt" ]	B
What occurs when two free radicals come in contact with each other?	sciq-00946	[ "radiation", "termination", "assimilation", "cancellation" ]	B
Despite the season, what aspect of constellations never change?	sciq-00947	[ "size", "colors", "location", "patterns" ]	D
What do you call electrons that form bonds with other elements in compounds and generally determine the properties of elements?	sciq-00948	[ "isotopes", "shell electrons", "ionic electrons", "valence electrons" ]	D
What is the members of the clade vertebrata known as?	sciq-00949	[ "grasses", "vertebrates", "invertebrates", "lipids" ]	B
What two ways do fruits mainly disperse seeds?	sciq-00950	[ "bees and water", "birds and wind", "animals and wind", "roots and decay" ]	C
What helps maglev trains go very fast?	sciq-00951	[ "gravity", "rollers", "magnets", "wheels" ]	C
What is the study of energy changes that occur during chemical reactions and during changes of state?	sciq-00952	[ "nuclear biology", "nuclear chemistry", "thermobiology", "thermochemistry" ]	D
Hormones that share what usually perform the same function?	sciq-00953	[ "radiation class", "temperature", "chemical class", "glandular process" ]	C
A glacier is an example of h20 in which state of matter?	sciq-00954	[ "liquid", "gas", "solid", "stable" ]	C
Silver chloride can be used as an antidote for which kind of poisoning?	sciq-00955	[ "the bends", "mercury", "arsenic", "carbon monoxide" ]	B
What do we call the microflora that aid in the digestion process?	sciq-00956	[ "stomach flora", "intestinal flora", "digestive flora", "tissue flora" ]	B
Nitrogen also is released to the environment by decaying organisms or decaying wastes. these wastes release nitrogen in the form of what?	sciq-00957	[ "sulfide", "methane", "hydroxide", "ammonium" ]	D
What requirement of the second circuit does the current that flows in the primary circuit depend on?	sciq-00958	[ "composition of current", "accumulation of current", "amount of current", "velocity of current" ]	C
Mammalian sex determination is determined genetically by the presence of chromosomes identified by what letters?	sciq-00959	[ "x and y", "y and z", "rna and dna", "a and b" ]	A
What kind of symmetry do most adult echinoderms possess?	sciq-00960	[ "bilateral", "asymmetry", "spherical", "radial symmetry" ]	D
What happens if cancer cells enter the blood stream?	sciq-00961	[ "they mutate", "they die", "they enter the brain", "carried through body" ]	D
Fires, mainly caused by what, are a natural disturbance in temperate grasslands?	sciq-00962	[ "campfires", "humans", "lightning", "cigarettes" ]	C
What is the net force acting on an object when two equal forces are applied from opposite directions?	sciq-00963	[ "homeostasis", "sum", "zero", "negative" ]	C
Insects use what structures, located on the head, to smell and taste chemicals, and in some cases to hear sounds?	sciq-00964	[ "caripace", "legs", "appendages", "antennae" ]	D
The carbon cycle includes photosynthesis, in which plants change what to organic compounds?	sciq-00965	[ "carbon monoxide", "chemical dioxide", "carbon dioxide", "acid dioxide" ]	C
Nucleic acids are found in all living cells and also what?	sciq-00966	[ "bacteria", "viruses", "fungi", "parasites" ]	B
What is the gelatinous layer that is sandwiched between the epidermis and gastrodermis?	sciq-00967	[ "plasmid", "myelin sheath", "aqueous humor", "the mesoglea" ]	D
Mollusks can be divided into how many classes?	sciq-00968	[ "seven", "nine", "three", "four" ]	A
Stars are lit by what reaction?	sciq-00969	[ "Coriolis effect", "nuclear fusion", "nuclear fission", "ionization" ]	B
What is the term for a partial degradation of glucose without the use of oxygen?	sciq-00970	[ "fermentation", "segregation", "condensation", "oxidation" ]	A
What is the term for the measurement of the amount of variation of species in a given area?	sciq-00971	[ "ecosystem", "reproduction", "biodiversity", "divergence" ]	C
The radioactive gas radon and uv radiation are culprits in different types of what disease?	sciq-00972	[ "reproductive", "metabolic disease", "cancer", "diabetes" ]	C
What is used to show energy flow through the trophic levels?	sciq-00973	[ "pyramid ecosystem", "inverted food chain", "biome graph", "food pyramid" ]	A
Compared to a straight wire, a coiled wire has a stronger what?	sciq-00974	[ "proximate field", "gravitational field", "magnetic field", "horizontal field" ]	C
The extrusive type of what rock cools rapidly from lava at the surface?	sciq-00975	[ "precipitous", "crystalline", "erythematous", "igneous" ]	D
The burning of fossil fuels releases three major things - thermal energy, water vapor, and what pollutant?	sciq-00976	[ "carbon monoxide", "aluminum", "hydrogen", "carbon dioxide" ]	D
Ground collapse, associated with chambers of what substance, leads to formation of a caldera?	sciq-00977	[ "lava", "magma", "stone", "molten" ]	B
A habitat’s features are determined mainly by abiotic factors such as?	sciq-00978	[ "oxygen and rainfall", "temperature and rainfall", "mixing and rainfall", "length" ]	B
Sulfuric acid conducts the charge in what kind of battery?	sciq-00979	[ "lead-acid cell", "nickel cadmium", "lithium ion", "nickel-metal hydride" ]	A
The pubis forms the anterior portion of what bone?	sciq-00980	[ "clavicle", "labia", "femur", "hip bone" ]	D
What is the general term for water that falls from clouds to earth’s surface, in forms that include snow and rain?	sciq-00981	[ "condensation", "distillation", "groundwater", "precipitation" ]	D
What are an important predators of mosquitoes, that can be used to control this pest?	sciq-00982	[ "dogs", "dragonflies", "deers", "primates" ]	B
Receptors for which hormones reside in the cytoplasm or nucleus?	sciq-00983	[ "lipid-soluble hormones", "cores - soluble hormones", "organism - soluble hormones", "non lipid-soluble hormones" ]	A
Heterotrophs get food by eating what?	sciq-00984	[ "plants", "other organisms", "sand", "similar organisms" ]	B
What is the process called when liquid changes to gas, even though it has not become hot enough to boil?	sciq-00985	[ "expiration", "oxidation", "evaporation", "transpiration" ]	C
How often do partial lunar eclipses occur?	sciq-00986	[ "2 times a year", "6 times a year", "once a year", "twice a year" ]	D
What are the trillions of bacteria living within the large intestine called?	sciq-00987	[ "microflora", "probiotic", "bacteria flora", "intastinal flora" ]	C
What is the process by which rocks and other sediments are picked up by a glacier?	sciq-00988	[ "plucking", "pulling", "freezing", "picking" ]	A
Genetic variation produced in sexual life cycles contributes to what process?	sciq-00989	[ "evolution", "maturity", "deconstruction", "generation" ]	A
Animal claws, spines, and shells are examples of what strategy for survival?	sciq-00990	[ "learned behavior", "display behavior", "spontaneous mutation", "defense mechanism" ]	D
The jejunum is about 0.9 meters (3 feet) long (in life) and runs from the duodenum to the ileum. jejunum means “empty” in latin and supposedly was so named by the ancient greeks who noticed it was always what?	sciq-00991	[ "weeks at death", "black at death", "empty at death", "time.the at death" ]	C
Cellular innate defenses in vertebrates also involve natural killer what?	sciq-00992	[ "nerves", "lipids", "proteins", "cells" ]	D
Which construction material previously used in factories and in homes caused cancer?	sciq-00993	[ "asbestos", "Paints contains lead", "Alkylphenols", "Silica" ]	A
What is the number waves that pass a fixed point in a given amount of time called?	sciq-00994	[ "combination frequency", "wave frequency", "heating frequency", "wave tendency" ]	B
The outer ear, or ear canal, carries sound to the recessed protected what?	sciq-00995	[ "eardrum", "lungs", "ear lobe", "aorta" ]	A
What sport involves people quickly finding destinations using polar coordinates?	sciq-00996	[ "mapping", "sticking", "orienteering", "patterning" ]	C
Almost all earthquakes occur at which place?	sciq-00997	[ "mountains", "land boundaries", "continental shelf", "plate boundaries" ]	D
Melting glaciers, rising temperatures and droughts are all impacts of what?	sciq-00998	[ "sudden warming", "global warming", "air pollution", "nature's natural cycle" ]	B
What parts of a human possess the highest concentration of thermoreceptors?	sciq-00999	[ "hand and ears", "face and ears", "face and hair", "hands and feet" ]	B

What occurs when a population reaches the carrying capacity?

sciq-00900

[ "impact stops", "growth stops", "core stops", "growth increases" ]

B

What is the form of logical thinking that uses related observations to arrive at a general conclusion called?

sciq-00901

[ "theory reasoning", "inductive reasoning", "deductive logic", "hypthetical thinking" ]

B

Carbon can form single, double, or triple what with other carbon atoms

sciq-00902

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

B

Wind or water that travels toward the poles from the equator curves in which direction?

sciq-00903

[ "downward", "east", "upward", "west" ]

B

What is defined as the ability to cause changes in matter?

sciq-00904

[ "fuel", "energy", "pressure", "transcription" ]

B

Some spindle microtubules attach to the kinetochores of chromosomes and move the chromosomes to what plate?

sciq-00905

[ "interstitium plate", "metaphase plate", "boundary plate", "prophase plate" ]

B

What do plants use to make food for themselves and most other organisms?

sciq-00906

[ "heat", "light", "electricity", "gravity" ]

B

Chlorophylls and carotenoids are the two major classes of pigments associated with what process and found in plants and algae?

sciq-00907

[ "photosynthesis", "osmosis", "glycolysis", "mitosis" ]

A

What is created when you combine simple machines?

sciq-00908

[ "factories", "digital devices", "compound machines", "motors" ]

C

What is the general term for a parasite that causes disease ?

sciq-00909

[ "predator parasite", "pathogenic parasite", "noxious parasite", "avian parasite" ]

B

What device measures atmospheric pressure and can be used as an altimeter?

sciq-00910

[ "indicator", "thermometer", "barometer", "speedometer" ]

C

What are solid-solid solutions like brass and bronze called?

sciq-00911

[ "mixtures", "amalgams", "alloys", "oxides" ]

C

What is the main element in organic compounds?

sciq-00912

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

A

In living systems, diffusion of substances into and out of cells is mediated by the what?

sciq-00913

[ "plasma membrane", "cells membrane", "Plant membrane", "battery membrane" ]

A

Desertification can result from slash-and-burn agriculture, which causes loss of what?

sciq-00914

[ "fertilizer", "subsoil", "topsoil", "sediment" ]

C

What are certain numbers of nucleons, known as magic numbers stable against?

sciq-00915

[ "radiation", "water", "half-lifes", "nuclear decay" ]

D

Electron capture occurs when an inner shell electron combines with a proton and is converted into what?

sciq-00916

[ "photon", "protein", "nuclei", "neutron" ]

D

What system consists of neurons that carry signals to skeletal muscles?

sciq-00917

[ "circulatory system", "nervous system", "motor system", "endocrine system" ]

C

Cross-pollination—or out-crossing—leads to greater genetic diversity because the microgametophyte and megagametophyte are derived from what?

sciq-00918

[ "the same species", "different plants", "the same plant", "dead plants" ]

B

Cancers are caused by a series of what?

sciq-00919

[ "microbes", "parasites", "adaptations", "mutations" ]

D

In comparison to light, the speed of sound is faster or slower?

sciq-00920

[ "sound does does not travel", "faster", "the same", "slower" ]

D

What type of fossils are of organisms that lived over a wide area for a fairly short period of time and are used to determine the age of the rock it is in?

sciq-00921

[ "rate fossils", "index fossils", "reference fossils", "inventory fossils" ]

B

What term is defined as the preserved remains or traces of organisms that lived during earlier ages?

sciq-00922

[ "archaeology", "fossils", "deposits", "taxidermy" ]

B

Which glands produce milk after the birth of offspring?

sciq-00923

[ "mammary", "Pituitary gland", "Thyroid gland", "adrenal glands" ]

A

Reduction often involves the gain of hydrogen, the loss of oxygen, or the gain of what?

sciq-00924

[ "protons", "neutrons", "mass", "electrons" ]

D

What is a short band of tough connective tissue that connects bones together to form a joint?

sciq-00925

[ "a tendon", "cartilage", "a ligament", "muscle tissue" ]

C

When you burn wood into ash or burn a marshmallow to become brown and crispy, it is impossible to undo. this change is known as what?

sciq-00926

[ "carbon change", "compounding change", "chemical change", "physical change" ]

C

Which biomes are determined mainly by sunlight and concentrations of dissolved oxygen and nutrients in the water?

sciq-00927

[ "bacterial", "symbiotic", "aquatic", "viral" ]

C

What is the moon's shadow's inner part called?

sciq-00928

[ "umbra", "mullah", "aurora", "penumbra" ]

A

The earliest known mammal fossils are from which period?

sciq-00929

[ "early jurassic", "Mesosoic period", "Cretaceous Period", "Tertiary" ]

A

Each parapodium has numerous chaetae, bristles made of what?

sciq-00930

[ "chitin", "ricin", "casein", "lectin" ]

A

What phylum includes sponges, which are aquatic invertebrates?

sciq-00931

[ "mollusca", "chordata", "hymenoptera", "porifera" ]

D

Which are the three most important temperature scales?

sciq-00932

[ "Kelvin, celcius, richter", "thermoelectric , celsius , kelvin", "temperatures , celsius , kelvin", "fahrenheit, celsius, kelvin" ]

D

What part of the body does caffeine stimulate?

sciq-00933

[ "large nervous system", "sympathetic nervous system", "central nervous system", "autonomic nervous system" ]

C

An alpha particle, which is emitted during alpha decay, consists of two protons and what else?

sciq-00934

[ "two positrons", "two electrons", "two neutrons", "two nuclei" ]

C

Melanin in skin is produced in response to exposure to what type of light?

sciq-00935

[ "visible light", "x rays", "uv light", "infrared light" ]

C

Protein molecules are made up of chains of small molecules made up of what kinds of acids?

sciq-00936

[ "amino acids", "mutation acids", "hydrochloric acids", "rna acids" ]

A

Which element has the highest electronegativity value?

sciq-00937

[ "chlorine", "Barium", "magnesium", "fluorine" ]

D

When small particles, such as clay and silt, are in mixed in water but do not disolve in the water, what state are they in?

sciq-00938

[ "suspension", "mud", "incomplete", "sedimentation" ]

A

When a person stands on the floor, his feet exert what on the surface?

sciq-00939

[ "pressure", "resistance", "acceleration", "power" ]

A

Molds that grow on bread are from what kingdom?

sciq-00940

[ "animal", "fungi", "pollen", "yeast" ]

B

What is defined as the change in the size of the population over time?

sciq-00941

[ "overpopulation", "extinction", "population density", "population growth" ]

D

The frequency of sound waves is measured in what, or the number of waves that pass a fixed point in a second?

sciq-00942

[ "watts", "avis", "hertz", "Ohms" ]

C

What are examples of parasitic athropods?

sciq-00943

[ "crabs and clams", "ticks and many mites", "spiders and fleas", "bees and wasps" ]

B

In a position-time graph, what does the slope of the line represent?

sciq-00944

[ "velocity", "time", "position", "direction" ]

A

Salmon must do what when they migrate from freshwater to the ocean?

sciq-00945

[ "synthesize", "acclimatize", "regenerate", "adapt" ]

B

What occurs when two free radicals come in contact with each other?

sciq-00946

[ "radiation", "termination", "assimilation", "cancellation" ]

B

Despite the season, what aspect of constellations never change?

sciq-00947

[ "size", "colors", "location", "patterns" ]

D

What do you call electrons that form bonds with other elements in compounds and generally determine the properties of elements?

sciq-00948

[ "isotopes", "shell electrons", "ionic electrons", "valence electrons" ]

D

What is the members of the clade vertebrata known as?

sciq-00949

[ "grasses", "vertebrates", "invertebrates", "lipids" ]

B

What two ways do fruits mainly disperse seeds?

sciq-00950

[ "bees and water", "birds and wind", "animals and wind", "roots and decay" ]

C

What helps maglev trains go very fast?

sciq-00951

[ "gravity", "rollers", "magnets", "wheels" ]

C

What is the study of energy changes that occur during chemical reactions and during changes of state?

sciq-00952

[ "nuclear biology", "nuclear chemistry", "thermobiology", "thermochemistry" ]

D

Hormones that share what usually perform the same function?

sciq-00953

[ "radiation class", "temperature", "chemical class", "glandular process" ]

C

A glacier is an example of h20 in which state of matter?

sciq-00954

[ "liquid", "gas", "solid", "stable" ]

C

Silver chloride can be used as an antidote for which kind of poisoning?

sciq-00955

[ "the bends", "mercury", "arsenic", "carbon monoxide" ]

B

What do we call the microflora that aid in the digestion process?

sciq-00956

[ "stomach flora", "intestinal flora", "digestive flora", "tissue flora" ]

B

Nitrogen also is released to the environment by decaying organisms or decaying wastes. these wastes release nitrogen in the form of what?

sciq-00957

[ "sulfide", "methane", "hydroxide", "ammonium" ]

D

What requirement of the second circuit does the current that flows in the primary circuit depend on?

sciq-00958

[ "composition of current", "accumulation of current", "amount of current", "velocity of current" ]

C

Mammalian sex determination is determined genetically by the presence of chromosomes identified by what letters?

sciq-00959

[ "x and y", "y and z", "rna and dna", "a and b" ]

A

What kind of symmetry do most adult echinoderms possess?

sciq-00960

[ "bilateral", "asymmetry", "spherical", "radial symmetry" ]

D

What happens if cancer cells enter the blood stream?

sciq-00961

[ "they mutate", "they die", "they enter the brain", "carried through body" ]

D

Fires, mainly caused by what, are a natural disturbance in temperate grasslands?

sciq-00962

[ "campfires", "humans", "lightning", "cigarettes" ]

C

What is the net force acting on an object when two equal forces are applied from opposite directions?

sciq-00963

[ "homeostasis", "sum", "zero", "negative" ]

C

Insects use what structures, located on the head, to smell and taste chemicals, and in some cases to hear sounds?

sciq-00964

[ "caripace", "legs", "appendages", "antennae" ]

D

The carbon cycle includes photosynthesis, in which plants change what to organic compounds?

sciq-00965

[ "carbon monoxide", "chemical dioxide", "carbon dioxide", "acid dioxide" ]

C

Nucleic acids are found in all living cells and also what?

sciq-00966

[ "bacteria", "viruses", "fungi", "parasites" ]

B

What is the gelatinous layer that is sandwiched between the epidermis and gastrodermis?

sciq-00967

[ "plasmid", "myelin sheath", "aqueous humor", "the mesoglea" ]

D

Mollusks can be divided into how many classes?

sciq-00968

[ "seven", "nine", "three", "four" ]

A

Stars are lit by what reaction?

sciq-00969

[ "Coriolis effect", "nuclear fusion", "nuclear fission", "ionization" ]

B

What is the term for a partial degradation of glucose without the use of oxygen?

sciq-00970

[ "fermentation", "segregation", "condensation", "oxidation" ]

A

What is the term for the measurement of the amount of variation of species in a given area?

sciq-00971

[ "ecosystem", "reproduction", "biodiversity", "divergence" ]

C

The radioactive gas radon and uv radiation are culprits in different types of what disease?

sciq-00972

[ "reproductive", "metabolic disease", "cancer", "diabetes" ]

C

What is used to show energy flow through the trophic levels?

sciq-00973

[ "pyramid ecosystem", "inverted food chain", "biome graph", "food pyramid" ]

A

Compared to a straight wire, a coiled wire has a stronger what?

sciq-00974

[ "proximate field", "gravitational field", "magnetic field", "horizontal field" ]

C

The extrusive type of what rock cools rapidly from lava at the surface?

sciq-00975

[ "precipitous", "crystalline", "erythematous", "igneous" ]

D

The burning of fossil fuels releases three major things - thermal energy, water vapor, and what pollutant?

sciq-00976

[ "carbon monoxide", "aluminum", "hydrogen", "carbon dioxide" ]

D

Ground collapse, associated with chambers of what substance, leads to formation of a caldera?

sciq-00977

[ "lava", "magma", "stone", "molten" ]

B

A habitat’s features are determined mainly by abiotic factors such as?

sciq-00978

[ "oxygen and rainfall", "temperature and rainfall", "mixing and rainfall", "length" ]

B

Sulfuric acid conducts the charge in what kind of battery?

sciq-00979

[ "lead-acid cell", "nickel cadmium", "lithium ion", "nickel-metal hydride" ]

A

The pubis forms the anterior portion of what bone?

sciq-00980

[ "clavicle", "labia", "femur", "hip bone" ]

D

What is the general term for water that falls from clouds to earth’s surface, in forms that include snow and rain?

sciq-00981

[ "condensation", "distillation", "groundwater", "precipitation" ]

D

What are an important predators of mosquitoes, that can be used to control this pest?

sciq-00982

[ "dogs", "dragonflies", "deers", "primates" ]

B

Receptors for which hormones reside in the cytoplasm or nucleus?

sciq-00983

[ "lipid-soluble hormones", "cores - soluble hormones", "organism - soluble hormones", "non lipid-soluble hormones" ]

A

Heterotrophs get food by eating what?

sciq-00984

[ "plants", "other organisms", "sand", "similar organisms" ]

B

What is the process called when liquid changes to gas, even though it has not become hot enough to boil?

sciq-00985

[ "expiration", "oxidation", "evaporation", "transpiration" ]

C

How often do partial lunar eclipses occur?

sciq-00986

[ "2 times a year", "6 times a year", "once a year", "twice a year" ]

D

What are the trillions of bacteria living within the large intestine called?

sciq-00987

[ "microflora", "probiotic", "bacteria flora", "intastinal flora" ]

C

What is the process by which rocks and other sediments are picked up by a glacier?

sciq-00988

[ "plucking", "pulling", "freezing", "picking" ]

A

Genetic variation produced in sexual life cycles contributes to what process?

sciq-00989

[ "evolution", "maturity", "deconstruction", "generation" ]

A

Animal claws, spines, and shells are examples of what strategy for survival?

sciq-00990

[ "learned behavior", "display behavior", "spontaneous mutation", "defense mechanism" ]

D

The jejunum is about 0.9 meters (3 feet) long (in life) and runs from the duodenum to the ileum. jejunum means “empty” in latin and supposedly was so named by the ancient greeks who noticed it was always what?

sciq-00991

[ "weeks at death", "black at death", "empty at death", "time.the at death" ]

C

Cellular innate defenses in vertebrates also involve natural killer what?

sciq-00992

[ "nerves", "lipids", "proteins", "cells" ]

D

Which construction material previously used in factories and in homes caused cancer?

sciq-00993

[ "asbestos", "Paints contains lead", "Alkylphenols", "Silica" ]

A

What is the number waves that pass a fixed point in a given amount of time called?

sciq-00994

[ "combination frequency", "wave frequency", "heating frequency", "wave tendency" ]

B

The outer ear, or ear canal, carries sound to the recessed protected what?

sciq-00995

[ "eardrum", "lungs", "ear lobe", "aorta" ]

A

What sport involves people quickly finding destinations using polar coordinates?

sciq-00996

[ "mapping", "sticking", "orienteering", "patterning" ]

C

Almost all earthquakes occur at which place?

sciq-00997

[ "mountains", "land boundaries", "continental shelf", "plate boundaries" ]

D

Melting glaciers, rising temperatures and droughts are all impacts of what?

sciq-00998

[ "sudden warming", "global warming", "air pollution", "nature's natural cycle" ]

B

What parts of a human possess the highest concentration of thermoreceptors?

sciq-00999

[ "hand and ears", "face and ears", "face and hair", "hands and feet" ]

B