mnlp-a2e2/sciq_mcqa · Datasets at Hugging Face

question stringlengths 14 399	choices listlengths 4 4	answer stringclasses 4 values
What type of organism is commonly used in preparation of foods such as cheese and yogurt?	[ "gymnosperms", "viruses", "protozoa", "mesophilic organisms" ]	D
What phenomenon makes global winds blow northeast to southwest or the reverse in the northern hemisphere and northwest to southeast or the reverse in the southern hemisphere?	[ "centrifugal effect", "coriolis effect", "tropical effect", "muon effect" ]	B
Changes from a less-ordered state to a more-ordered state (such as a liquid to a solid) are always what?	[ "reactive", "endothermic", "exothermic", "unbalanced" ]	C
What is the least dangerous radioactive decay?	[ "zeta decay", "alpha decay", "beta decay", "gamma decay" ]	B
Kilauea in hawaii is the world’s most continuously active volcano. very active volcanoes characteristically eject red-hot rocks and lava rather than this?	[ "smoke and ash", "magma", "carbon and smog", "greenhouse gases" ]	A
When a meteoroid reaches earth, what is the remaining object called?	[ "meteorite", "comet", "meteor", "orbit" ]	A
What kind of a reaction occurs when a substance reacts quickly with oxygen?	[ "Fluid Reaction", "nitrogen reaction", "combustion reaction", "invention reaction" ]	C
Organisms categorized by what species descriptor demonstrate a version of allopatric speciation and have limited regions of overlap with one another, but where they overlap they interbreed successfully?.	[ "surface species", "species complex", "ring species", "fitting species" ]	C
Alpha emission is a type of what?	[ "heat", "light", "radiation", "radioactivity" ]	D
What is the stored food in a seed called?	[ "endosperm", "membrane", "larval", "pollin" ]	A
Zinc is more easily oxidized than iron because zinc has a lower reduction potential. since zinc has a lower reduction potential, it is a more what?	[ "Trap metal", "active metal", "much metal", "usually metal" ]	B
What is controlled by both genes and experiences in a given envionment?	[ "animal behaviors", "reflexes", "instincts", "learned behaviors" ]	A
What tells you how much of the food you should eat to get the nutrients listed on the label?	[ "serving size", "longer size", "scoop size", "regular size" ]	A
What are used to write nuclear equations for radioactive decay?	[ "trigonometric symbols", "critical symbols", "radioactive symbols", "nuclear symbols" ]	D
What is controlled by regulatory proteins that bind to regulatory elements on dna?	[ "amino acids", "substance transcription", "mRNA", "gene transcription" ]	D
Boron only occurs naturally in compounds with what element?	[ "carbon", "nitrogen", "oxygen", "helium" ]	C
What organ systems link exchange surfaces with cells throughout the body?	[ "circulatory", "nervous", "vascular", "pulmonary" ]	A
What occurs when the immune system attacks a harmless substance that enters the body from the outside?	[ "allergy", "nausea", "plague", "panic attack" ]	A
Fertilization is the union of a sperm and egg, resulting in the formation of what?	[ "a zygote", "a cytoplasm", "a bacteriophage", "a nuclei" ]	A
The plants alternation between haploid and diploud generations allow it to do what?	[ "reproduce asexually and simultaneously", "reproduce asexually and sexually", "reproduce sexually and autonomously", "reproduce asexually and biologically" ]	B
Most of the chemical reactions in the body are facilitated by what?	[ "vitamins", "carbohydrates", "proteins", "enzymes" ]	D
What is the termination of a pregnancy in progress called?	[ "abortion", "delivery", "contraception", "miscarriage" ]	A
Cutting down on the use of chemical fertilizers and preserving wetlands are ways to prevent what "unlivable" regions in bodies of water?	[ "hostile zones", "inhabitable zones", "fresh zones", "dead zones" ]	D
Which muscles allow your fingers to also make precise movements for actions?	[ "intrinsic muscles", "fine movement muscles", "paired muscles", "motoric muscles" ]	A
Testing what usually requires making observations or performing experiments?	[ "hypothesis", "homeostasis", "conclusion", "variables" ]	A
This sharing of electrons produces what is known as a covalent bond. covalent bonds are ~20 to 50 times stronger than what?	[ "Newton's third law", "Mendelian systems", "van der waals interactions", "gravitational pull" ]	C
Water molecules move about continuously due to what type of energy?	[ "optical", "potential", "kinetic", "seismic" ]	C
A small scale version of what type of map displays individual rock units?	[ "seismic map", "geologic map", "polar map", "geographic map" ]	B
What is defined as a change in the inherited traits of organisms over time?	[ "evolution", "divergence", "generation", "variation" ]	A
What hormone, which is associated with luteinizing hormone and male sexuality, helps bring about physical changes in puberty?	[ "testosterone", "epinephrine", "steroids", "estrogen" ]	A
Where do angiosperms produce seeds in flowers?	[ "ovaries", "testes", "germs", "cones" ]	A
In order to create food, what do photosynthetic protists use?	[ "decayed matter", "thermal energy", "light energy", "hydrocarbons" ]	C
What type of vertebrates are birds?	[ "epidermal tetrapod", "invertebrates", "exothermic", "endothermic tetrapod" ]	D
What type of ions do ionic compounds contain?	[ "positive and negative", "negative and neutal", "regular and irregular", "positive and charged" ]	A
All living things need air and this to survive?	[ "ecosystem", "water", "stimuli", "habitat" ]	B
The cells of all eukarya have a what?	[ "epidermis", "chloroplast", "nucleus", "necrosis" ]	C
What type of plate boundaries produce huge mountain ranges in the ocean basin?	[ "divergent", "coherent", "parallel", "tractional" ]	A
Interstitial carbides are produced by the reaction of most transition metals at high temperatures with what element?	[ "hydrogen", "oxygen", "carbon", "nitrogen" ]	C
Fungus-like protist saprobes play what role in a food chain and are specialized to absorb nutrients from nonliving organic matter, such as dead organisms or their wastes?	[ "decomposers", "fluxes", "Soil", "aphids" ]	A
What are the sites of protein synthesis or assembly?	[ "chloroplasts", "ribosomes", "chromosomes", "plasma" ]	B
What must replicate in the cell cycle before meiosis i takes place?	[ "dna", "cell walls", "meiotic fluid", "sperm" ]	A
What phenomenon is primarily the result of plate tectonic motions?	[ "earthquake", "tsunamis", "eruption", "volcanoes" ]	A
What is a group of neuron cell bodies in the periphery called?	[ "crystals", "gangism", "organism", "ganglion" ]	D
Where does most of our food come from?	[ "microbes", "lichen", "gymnosperms", "angiosperms" ]	D
Gases are most ideal at high temperature and what pressure?	[ "high", "stable", "absolute", "low" ]	D
Hard igneous rocks and easily dissolved sedimentary rocks respond very differently to what natural force?	[ "sunlight", "weathering", "evaporation", "gravity" ]	B
A diet rich in calcium and what vitamin may reduce the risk of osteoporosis and related bone fractures?	[ "niacin", "vitamin d", "vitamin A", "vitamin C" ]	B
How many people die from air pollution each year?	[ "14 million", "5 million", "22 million", "17 million" ]	C
What substances serve as catalysts in most of the biochemical reactions that take place in organisms?	[ "iseotrops", "enzymes", "hormones", "carbohydrates" ]	B
The formation of an amalgam allows the metal to react with what?	[ "air and water", "blood and sweat", "cloth and plastic", "helium and oxygen" ]	A
A pulley changes the direction of the force t exerted by the cord without changing its what?	[ "position", "magnitude", "longitude", "latitude" ]	B
What is the name of the small bumps that contain taste buds and covers the tongue?	[ "cuticle", "lingual tonsils", "palatine tonsils", "papillae" ]	D
In the absence of air resistance, all falling objects accelerate at the same rate due to what force?	[ "weight", "gravity", "velocity", "motion" ]	B
The ability for a plasma membrane to only allow certain molecules in or out of the cell is referred to as what?	[ "total permeability", "periodic permeability", "selective permeability", "moderate permeability" ]	C
In the presence of oxygen, hydrogen can interact to make what?	[ "carbon", "water", "acid", "helium" ]	B
What galaxy is our solar system a part of?	[ "Bode's Galaxy", "Centaurus", "milky way", "Andromeda" ]	C
The angle at which light bends when it enters a different medium is known as what?	[ "frequency", "refraction", "resonance", "bounce" ]	B
Whether the organism is a bacterium, plant, or animal, all living things access energy by breaking down these?	[ "oxygen molecules", "protein molecules", "lipid molecules", "carbohydrate molecules" ]	D
Increasing the temperature of n2 molecules increases what energy of motion?	[ "compression energy", "emotional energy", "residual energy", "kinetic energy" ]	D
Which radio frequency should you listen to if you want less noise?	[ "cb", "fm", "wave", "am" ]	B
What form of radiation is the energy emitted by the sun?	[ "thermal", "seismic", "magnetic", "electromagnetic" ]	D
What is the suns innermost layer called?	[ "flare", "core", "solar", "surface" ]	B
A growth spurt requires constant divisions of what?	[ "seeds", "cells", "proteins", "hairs" ]	B
What's the term for the gradual progression from simple plants to larger more complex ones in an area?	[ "pattern progression", "complex progression", "primary succession", "primary pattern" ]	C
Fungi may form mutualistic relationships with plants, algae, cyanobacteria, and what?	[ "plants", "eggs", "farmers", "animals" ]	D
Which cycle tracks the flow of nitrogen through an ecosystem?	[ "nitrogen reaction", "nitrogen cycle", "water cycle", "life cycle" ]	B
What consequence of a tornado is responsible for most injuries and deaths?	[ "falling debris", "catching debris", "flying debris", "touring debris" ]	C
What are the only truly innate behaviors in humans called?	[ "feats", "flinches", "automatic movements", "reflexes" ]	D
What happens to the density of air as the altitude decreases?	[ "decreases", "remains the same", "multiplies", "increases" ]	A
How do some animals change their depth?	[ "by changing their density", "metamorphosis", "spontaneous mutations", "mass migration" ]	A
What phenomenon is crowding out other species and making all the other causes of extinction worse?	[ "climate change", "human overpopulation", "human suburbanization", "migration" ]	B
Dessication is an extreme and usually fatal form of what in animals?	[ "dehydration", "depletion", "diarrhea", "starvation" ]	A
Internal and external forms of what life process occur as simple diffusion due to a partial pressure gradient?	[ "respiration", "metabolism", "reproduction", "photosynthesis" ]	A
The fossil record shows that this type of event is followed by the evolution of new species to fill the habitats where old species lived?	[ "mass extinction", "moderate extinction", "minor extinction", "formation extinction" ]	A
Soluble minerals and clays accumulate in what soil layer, allowing it to hold more water?	[ "subsoil", "subsurface", "silt", "topsoil" ]	A
What is the common word for potential difference in a circuit?	[ "watt", "velocity", "voltage", "frequency" ]	C
How many chambers does the stomach of a crocodile have?	[ "three", "six", "two", "ten" ]	C
When populations get close to the carrying capacity, what happens to growth?	[ "slows", "halts", "dies", "spikes" ]	A
Although air can transfer heat rapidly by convection, it is a poor conductor and thus a good what?	[ "insulator", "absorber", "transporter", "magnet" ]	A
Most plants grow continuously, except for what periods?	[ "mutant", "dormant", "abnormal", "winter" ]	B
What man-made devices in space are used to observe the earth's surface?	[ "sensors", "satellites", "telescopes", "crystals" ]	B
Carboxylic acids are weak acids, meaning they are not 100% ionized in what?	[ "liquid", "air", "ethanol", "water" ]	D
An endocrine disease usually involves the secretion of too much or not enough of what?	[ "hormone", "enzyme", "sweat", "metabolite" ]	A
In experiments with garden peas, austrian monk gregor mendel described the basic patterns of what?	[ "inheritance", "preference", "behavior", "color" ]	A
Nutrition and diet affect your metabolism. more energy is required to break down fats and proteins than this?	[ "minerals", "carbohydrates", "vitamins", "electrolytes" ]	B
What are unsaturated hydrocarbons with at least one double bond between carbon atoms called?	[ "enzymes", "amines", "alkenes", "peptides" ]	C
What is the opposite of melting?	[ "evaporation", "freezing", "compression", "liquidation" ]	B
A unique characteristic of mammals is the ability to chew, this happens by the temporalis and the masseter allowing what?	[ "side-to-side movement", "Up and down", "Bakward and forward", "Grinding" ]	A
Most of the pathogens that cause stis enter the body through mucous membranes of which organs?	[ "reproductive organs", "stomach", "kidneys", "eyes" ]	A
The activation of what kind of buds induces branching?	[ "axillary buds", "leafy buds", "arterial buds", "lymphatic buds" ]	A
Sexual reproduction involves haploid gametes and produces a diploid zygote through what process?	[ "vivisection", "sedimentation", "infection", "fertilization" ]	D
All alkanes are composed of carbon and hydrogen atoms, and have similar bonds, structures, and formulas; noncyclic alkanes all have a formula of cnh2n+2. the number of carbon atoms present in an alkane has what?	[ "no limit", "crippling limit", "such limit", "done limit" ]	A
What percentage of men suffer from some form of erectile dysfunction by age 40?	[ "approximately 40 percent", "approximately 80 percent", "approximately 60 percent", "approximately 10 percent" ]	A
What secures together immovable joints and prevents them from moving?	[ "light collagen", "light cartilage", "dense cartilage", "dense collagen" ]	D
Transform faults are the site of massive what?	[ "vibrations", "earthquakes", "tornadoes", "storms" ]	B
When water goes above and below its freezing point, what rock-breaking phenomenon is common?	[ "ice crushing", "ice wedging", "ice inverting", "ice locking" ]	B
The diatoms are unicellular photosynthetic protists that encase themselves in intricately patterned, glassy cell walls composed of silicon dioxide in a matrix of organic particles. these protists are a component of freshwater and these?	[ "waste plankton", "source plankton", "land plankton", "marine plankton" ]	D
What type of reactions form compounds?	[ "chemical reactions", "physical reactions", "consumption reactions", "mineral reactions" ]	A
Millions of years ago, plants used energy from the sun to form what?	[ "evolution", "greenhouse gases", "fossil fuels", "carbon compounds" ]	D
What is the term for the process in which living things with beneficial traits produce more offspring than others do?	[ "natural selection", "natural survival", "natural variety", "natural process" ]	A

What type of organism is commonly used in preparation of foods such as cheese and yogurt?

[ "gymnosperms", "viruses", "protozoa", "mesophilic organisms" ]

D

What phenomenon makes global winds blow northeast to southwest or the reverse in the northern hemisphere and northwest to southeast or the reverse in the southern hemisphere?

[ "centrifugal effect", "coriolis effect", "tropical effect", "muon effect" ]

B

Changes from a less-ordered state to a more-ordered state (such as a liquid to a solid) are always what?

[ "reactive", "endothermic", "exothermic", "unbalanced" ]

C

What is the least dangerous radioactive decay?

[ "zeta decay", "alpha decay", "beta decay", "gamma decay" ]

B

Kilauea in hawaii is the world’s most continuously active volcano. very active volcanoes characteristically eject red-hot rocks and lava rather than this?

[ "smoke and ash", "magma", "carbon and smog", "greenhouse gases" ]

A

When a meteoroid reaches earth, what is the remaining object called?

[ "meteorite", "comet", "meteor", "orbit" ]

A

What kind of a reaction occurs when a substance reacts quickly with oxygen?

[ "Fluid Reaction", "nitrogen reaction", "combustion reaction", "invention reaction" ]

C

Organisms categorized by what species descriptor demonstrate a version of allopatric speciation and have limited regions of overlap with one another, but where they overlap they interbreed successfully?.

[ "surface species", "species complex", "ring species", "fitting species" ]

C

Alpha emission is a type of what?

[ "heat", "light", "radiation", "radioactivity" ]

D

What is the stored food in a seed called?

[ "endosperm", "membrane", "larval", "pollin" ]

A

Zinc is more easily oxidized than iron because zinc has a lower reduction potential. since zinc has a lower reduction potential, it is a more what?

[ "Trap metal", "active metal", "much metal", "usually metal" ]

B

What is controlled by both genes and experiences in a given envionment?

[ "animal behaviors", "reflexes", "instincts", "learned behaviors" ]

A

What tells you how much of the food you should eat to get the nutrients listed on the label?

[ "serving size", "longer size", "scoop size", "regular size" ]

A

What are used to write nuclear equations for radioactive decay?

[ "trigonometric symbols", "critical symbols", "radioactive symbols", "nuclear symbols" ]

D

What is controlled by regulatory proteins that bind to regulatory elements on dna?

[ "amino acids", "substance transcription", "mRNA", "gene transcription" ]

D

Boron only occurs naturally in compounds with what element?

[ "carbon", "nitrogen", "oxygen", "helium" ]

C

What organ systems link exchange surfaces with cells throughout the body?

[ "circulatory", "nervous", "vascular", "pulmonary" ]

A

What occurs when the immune system attacks a harmless substance that enters the body from the outside?

[ "allergy", "nausea", "plague", "panic attack" ]

A

Fertilization is the union of a sperm and egg, resulting in the formation of what?

[ "a zygote", "a cytoplasm", "a bacteriophage", "a nuclei" ]

A

The plants alternation between haploid and diploud generations allow it to do what?

[ "reproduce asexually and simultaneously", "reproduce asexually and sexually", "reproduce sexually and autonomously", "reproduce asexually and biologically" ]

B

Most of the chemical reactions in the body are facilitated by what?

[ "vitamins", "carbohydrates", "proteins", "enzymes" ]

D

What is the termination of a pregnancy in progress called?

[ "abortion", "delivery", "contraception", "miscarriage" ]

A

Cutting down on the use of chemical fertilizers and preserving wetlands are ways to prevent what "unlivable" regions in bodies of water?

[ "hostile zones", "inhabitable zones", "fresh zones", "dead zones" ]

D

Which muscles allow your fingers to also make precise movements for actions?

[ "intrinsic muscles", "fine movement muscles", "paired muscles", "motoric muscles" ]

A

Testing what usually requires making observations or performing experiments?

[ "hypothesis", "homeostasis", "conclusion", "variables" ]

A

This sharing of electrons produces what is known as a covalent bond. covalent bonds are ~20 to 50 times stronger than what?

[ "Newton's third law", "Mendelian systems", "van der waals interactions", "gravitational pull" ]

C

Water molecules move about continuously due to what type of energy?

[ "optical", "potential", "kinetic", "seismic" ]

C

A small scale version of what type of map displays individual rock units?

[ "seismic map", "geologic map", "polar map", "geographic map" ]

B

What is defined as a change in the inherited traits of organisms over time?

[ "evolution", "divergence", "generation", "variation" ]

A

What hormone, which is associated with luteinizing hormone and male sexuality, helps bring about physical changes in puberty?

[ "testosterone", "epinephrine", "steroids", "estrogen" ]

A

Where do angiosperms produce seeds in flowers?

[ "ovaries", "testes", "germs", "cones" ]

A

In order to create food, what do photosynthetic protists use?

[ "decayed matter", "thermal energy", "light energy", "hydrocarbons" ]

C

What type of vertebrates are birds?

[ "epidermal tetrapod", "invertebrates", "exothermic", "endothermic tetrapod" ]

D

What type of ions do ionic compounds contain?

[ "positive and negative", "negative and neutal", "regular and irregular", "positive and charged" ]

A

All living things need air and this to survive?

[ "ecosystem", "water", "stimuli", "habitat" ]

B

The cells of all eukarya have a what?

[ "epidermis", "chloroplast", "nucleus", "necrosis" ]

C

What type of plate boundaries produce huge mountain ranges in the ocean basin?

[ "divergent", "coherent", "parallel", "tractional" ]

A

Interstitial carbides are produced by the reaction of most transition metals at high temperatures with what element?

[ "hydrogen", "oxygen", "carbon", "nitrogen" ]

C

Fungus-like protist saprobes play what role in a food chain and are specialized to absorb nutrients from nonliving organic matter, such as dead organisms or their wastes?

[ "decomposers", "fluxes", "Soil", "aphids" ]

A

What are the sites of protein synthesis or assembly?

[ "chloroplasts", "ribosomes", "chromosomes", "plasma" ]

B

What must replicate in the cell cycle before meiosis i takes place?

[ "dna", "cell walls", "meiotic fluid", "sperm" ]

A

What phenomenon is primarily the result of plate tectonic motions?

[ "earthquake", "tsunamis", "eruption", "volcanoes" ]

A

What is a group of neuron cell bodies in the periphery called?

[ "crystals", "gangism", "organism", "ganglion" ]

D

Where does most of our food come from?

[ "microbes", "lichen", "gymnosperms", "angiosperms" ]

D

Gases are most ideal at high temperature and what pressure?

[ "high", "stable", "absolute", "low" ]

D

Hard igneous rocks and easily dissolved sedimentary rocks respond very differently to what natural force?

[ "sunlight", "weathering", "evaporation", "gravity" ]

B

A diet rich in calcium and what vitamin may reduce the risk of osteoporosis and related bone fractures?

[ "niacin", "vitamin d", "vitamin A", "vitamin C" ]

B

How many people die from air pollution each year?

[ "14 million", "5 million", "22 million", "17 million" ]

C

What substances serve as catalysts in most of the biochemical reactions that take place in organisms?

[ "iseotrops", "enzymes", "hormones", "carbohydrates" ]

B

The formation of an amalgam allows the metal to react with what?

[ "air and water", "blood and sweat", "cloth and plastic", "helium and oxygen" ]

A

A pulley changes the direction of the force t exerted by the cord without changing its what?

[ "position", "magnitude", "longitude", "latitude" ]

B

What is the name of the small bumps that contain taste buds and covers the tongue?

[ "cuticle", "lingual tonsils", "palatine tonsils", "papillae" ]

D

In the absence of air resistance, all falling objects accelerate at the same rate due to what force?

[ "weight", "gravity", "velocity", "motion" ]

B

The ability for a plasma membrane to only allow certain molecules in or out of the cell is referred to as what?

[ "total permeability", "periodic permeability", "selective permeability", "moderate permeability" ]

C

In the presence of oxygen, hydrogen can interact to make what?

[ "carbon", "water", "acid", "helium" ]

B

What galaxy is our solar system a part of?

[ "Bode's Galaxy", "Centaurus", "milky way", "Andromeda" ]

C

The angle at which light bends when it enters a different medium is known as what?

[ "frequency", "refraction", "resonance", "bounce" ]

B

Whether the organism is a bacterium, plant, or animal, all living things access energy by breaking down these?

[ "oxygen molecules", "protein molecules", "lipid molecules", "carbohydrate molecules" ]

D

Increasing the temperature of n2 molecules increases what energy of motion?

[ "compression energy", "emotional energy", "residual energy", "kinetic energy" ]

D

Which radio frequency should you listen to if you want less noise?

[ "cb", "fm", "wave", "am" ]

B

What form of radiation is the energy emitted by the sun?

[ "thermal", "seismic", "magnetic", "electromagnetic" ]

D

What is the suns innermost layer called?

[ "flare", "core", "solar", "surface" ]

B

A growth spurt requires constant divisions of what?

[ "seeds", "cells", "proteins", "hairs" ]

B

What's the term for the gradual progression from simple plants to larger more complex ones in an area?

[ "pattern progression", "complex progression", "primary succession", "primary pattern" ]

C

Fungi may form mutualistic relationships with plants, algae, cyanobacteria, and what?

[ "plants", "eggs", "farmers", "animals" ]

D

Which cycle tracks the flow of nitrogen through an ecosystem?

[ "nitrogen reaction", "nitrogen cycle", "water cycle", "life cycle" ]

B

What consequence of a tornado is responsible for most injuries and deaths?

[ "falling debris", "catching debris", "flying debris", "touring debris" ]

C

What are the only truly innate behaviors in humans called?

[ "feats", "flinches", "automatic movements", "reflexes" ]

D

What happens to the density of air as the altitude decreases?

[ "decreases", "remains the same", "multiplies", "increases" ]

A

How do some animals change their depth?

[ "by changing their density", "metamorphosis", "spontaneous mutations", "mass migration" ]

A

What phenomenon is crowding out other species and making all the other causes of extinction worse?

[ "climate change", "human overpopulation", "human suburbanization", "migration" ]

B

Dessication is an extreme and usually fatal form of what in animals?

[ "dehydration", "depletion", "diarrhea", "starvation" ]

A

Internal and external forms of what life process occur as simple diffusion due to a partial pressure gradient?

[ "respiration", "metabolism", "reproduction", "photosynthesis" ]

A

The fossil record shows that this type of event is followed by the evolution of new species to fill the habitats where old species lived?

[ "mass extinction", "moderate extinction", "minor extinction", "formation extinction" ]

A

Soluble minerals and clays accumulate in what soil layer, allowing it to hold more water?

[ "subsoil", "subsurface", "silt", "topsoil" ]

A

What is the common word for potential difference in a circuit?

[ "watt", "velocity", "voltage", "frequency" ]

C

How many chambers does the stomach of a crocodile have?

[ "three", "six", "two", "ten" ]

C

When populations get close to the carrying capacity, what happens to growth?

[ "slows", "halts", "dies", "spikes" ]

A

Although air can transfer heat rapidly by convection, it is a poor conductor and thus a good what?

[ "insulator", "absorber", "transporter", "magnet" ]

A

Most plants grow continuously, except for what periods?

[ "mutant", "dormant", "abnormal", "winter" ]

B

What man-made devices in space are used to observe the earth's surface?

[ "sensors", "satellites", "telescopes", "crystals" ]

B

Carboxylic acids are weak acids, meaning they are not 100% ionized in what?

[ "liquid", "air", "ethanol", "water" ]

D

An endocrine disease usually involves the secretion of too much or not enough of what?

[ "hormone", "enzyme", "sweat", "metabolite" ]

A

In experiments with garden peas, austrian monk gregor mendel described the basic patterns of what?

[ "inheritance", "preference", "behavior", "color" ]

A

Nutrition and diet affect your metabolism. more energy is required to break down fats and proteins than this?

[ "minerals", "carbohydrates", "vitamins", "electrolytes" ]

B

What are unsaturated hydrocarbons with at least one double bond between carbon atoms called?

[ "enzymes", "amines", "alkenes", "peptides" ]

C

What is the opposite of melting?

[ "evaporation", "freezing", "compression", "liquidation" ]

B

A unique characteristic of mammals is the ability to chew, this happens by the temporalis and the masseter allowing what?

[ "side-to-side movement", "Up and down", "Bakward and forward", "Grinding" ]

A

Most of the pathogens that cause stis enter the body through mucous membranes of which organs?

[ "reproductive organs", "stomach", "kidneys", "eyes" ]

A

The activation of what kind of buds induces branching?

[ "axillary buds", "leafy buds", "arterial buds", "lymphatic buds" ]

A

Sexual reproduction involves haploid gametes and produces a diploid zygote through what process?

[ "vivisection", "sedimentation", "infection", "fertilization" ]

D

All alkanes are composed of carbon and hydrogen atoms, and have similar bonds, structures, and formulas; noncyclic alkanes all have a formula of cnh2n+2. the number of carbon atoms present in an alkane has what?

[ "no limit", "crippling limit", "such limit", "done limit" ]

A

What percentage of men suffer from some form of erectile dysfunction by age 40?

[ "approximately 40 percent", "approximately 80 percent", "approximately 60 percent", "approximately 10 percent" ]

A

What secures together immovable joints and prevents them from moving?

[ "light collagen", "light cartilage", "dense cartilage", "dense collagen" ]

D

Transform faults are the site of massive what?

[ "vibrations", "earthquakes", "tornadoes", "storms" ]

B

When water goes above and below its freezing point, what rock-breaking phenomenon is common?

[ "ice crushing", "ice wedging", "ice inverting", "ice locking" ]

B

The diatoms are unicellular photosynthetic protists that encase themselves in intricately patterned, glassy cell walls composed of silicon dioxide in a matrix of organic particles. these protists are a component of freshwater and these?

[ "waste plankton", "source plankton", "land plankton", "marine plankton" ]

D

What type of reactions form compounds?

[ "chemical reactions", "physical reactions", "consumption reactions", "mineral reactions" ]

A

Millions of years ago, plants used energy from the sun to form what?

[ "evolution", "greenhouse gases", "fossil fuels", "carbon compounds" ]

D

What is the term for the process in which living things with beneficial traits produce more offspring than others do?

[ "natural selection", "natural survival", "natural variety", "natural process" ]

A