aklein4/sciq_compiled · Datasets at Hugging Face

question stringlengths 68 502	answer stringclasses 4 values
Question: What type of organism is commonly used in preparation of foods such as cheese and yogurt? Options: A. gymnosperms B. mesophilic organisms C. viruses D. protozoa	B
Question: 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? Options: A. tropical effect B. coriolis effect C. muon effect D. centrifugal effect	B
Question: Changes from a less-ordered state to a more-ordered state (such as a liquid to a solid) are always what? Options: A. unbalanced B. endothermic C. exothermic D. reactive	C
Question: What is the least dangerous radioactive decay? Options: A. zeta decay B. beta decay C. gamma decay D. alpha decay	D
Question: Kilauea in hawaii is the world’s most continuously active volcano. very active volcanoes characteristically eject red-hot rocks and lava rather than this? Options: A. greenhouse gases B. carbon and smog C. smoke and ash D. magma	C
Question: When a meteoroid reaches earth, what is the remaining object called? Options: A. comet B. meteorite C. meteor D. orbit	B
Question: What kind of a reaction occurs when a substance reacts quickly with oxygen? Options: A. Fluid Reaction B. nitrogen reaction C. invention reaction D. combustion reaction	D
Question: 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?. Options: A. ring species B. fitting species C. species complex D. surface species	A
Question: Alpha emission is a type of what? Options: A. radioactivity B. radiation C. light D. heat	A
Question: What is the stored food in a seed called? Options: A. pollin B. endosperm C. membrane D. larval	B
Question: 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? Options: A. active metal B. usually metal C. much metal D. Trap metal	A
Question: What is controlled by both genes and experiences in a given envionment? Options: A. animal behaviors B. reflexes C. learned behaviors D. instincts	A
Question: What tells you how much of the food you should eat to get the nutrients listed on the label? Options: A. scoop size B. longer size C. serving size D. regular size	C
Question: What are used to write nuclear equations for radioactive decay? Options: A. radioactive symbols B. nuclear symbols C. critical symbols D. trigonometric symbols	B
Question: What is controlled by regulatory proteins that bind to regulatory elements on dna? Options: A. amino acids B. mRNA C. substance transcription D. gene transcription	D
Question: Boron only occurs naturally in compounds with what element? Options: A. nitrogen B. carbon C. helium D. oxygen	D
Question: What organ systems link exchange surfaces with cells throughout the body? Options: A. circulatory B. vascular C. nervous D. pulmonary	A
Question: What occurs when the immune system attacks a harmless substance that enters the body from the outside? Options: A. plague B. allergy C. panic attack D. nausea	B
Question: Fertilization is the union of a sperm and egg, resulting in the formation of what? Options: A. a nuclei B. a cytoplasm C. a zygote D. a bacteriophage	C
Question: The plants alternation between haploid and diploud generations allow it to do what? Options: A. reproduce asexually and sexually B. reproduce sexually and autonomously C. reproduce asexually and biologically D. reproduce asexually and simultaneously	A
Question: Most of the chemical reactions in the body are facilitated by what? Options: A. proteins B. vitamins C. enzymes D. carbohydrates	C
Question: What is the termination of a pregnancy in progress called? Options: A. miscarriage B. delivery C. contraception D. abortion	D
Question: Cutting down on the use of chemical fertilizers and preserving wetlands are ways to prevent what "unlivable" regions in bodies of water? Options: A. hostile zones B. dead zones C. inhabitable zones D. fresh zones	B
Question: Which muscles allow your fingers to also make precise movements for actions? Options: A. paired muscles B. intrinsic muscles C. motoric muscles D. fine movement muscles	B
Question: Testing what usually requires making observations or performing experiments? Options: A. hypothesis B. conclusion C. variables D. homeostasis	A
Question: This sharing of electrons produces what is known as a covalent bond. covalent bonds are ~20 to 50 times stronger than what? Options: A. gravitational pull B. Newton's third law C. van der waals interactions D. Mendelian systems	C
Question: Water molecules move about continuously due to what type of energy? Options: A. potential B. optical C. kinetic D. seismic	C
Question: A small scale version of what type of map displays individual rock units? Options: A. geologic map B. seismic map C. polar map D. geographic map	A
Question: What is defined as a change in the inherited traits of organisms over time? Options: A. divergence B. generation C. variation D. evolution	D
Question: What hormone, which is associated with luteinizing hormone and male sexuality, helps bring about physical changes in puberty? Options: A. steroids B. epinephrine C. testosterone D. estrogen	C
Question: Where do angiosperms produce seeds in flowers? Options: A. cones B. germs C. ovaries D. testes	C
Question: In order to create food, what do photosynthetic protists use? Options: A. thermal energy B. hydrocarbons C. light energy D. decayed matter	C
Question: What type of vertebrates are birds? Options: A. endothermic tetrapod B. invertebrates C. exothermic D. epidermal tetrapod	A
Question: What type of ions do ionic compounds contain? Options: A. positive and charged B. positive and negative C. regular and irregular D. negative and neutal	B
Question: All living things need air and this to survive? Options: A. ecosystem B. water C. habitat D. stimuli	B
Question: The cells of all eukarya have a what? Options: A. chloroplast B. necrosis C. epidermis D. nucleus	D
Question: What type of plate boundaries produce huge mountain ranges in the ocean basin? Options: A. divergent B. coherent C. parallel D. tractional	A
Question: Interstitial carbides are produced by the reaction of most transition metals at high temperatures with what element? Options: A. carbon B. oxygen C. hydrogen D. nitrogen	A
Question: 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? Options: A. aphids B. Soil C. decomposers D. fluxes	C
Question: What are the sites of protein synthesis or assembly? Options: A. chloroplasts B. ribosomes C. plasma D. chromosomes	B
Question: What must replicate in the cell cycle before meiosis i takes place? Options: A. dna B. sperm C. cell walls D. meiotic fluid	A
Question: What phenomenon is primarily the result of plate tectonic motions? Options: A. eruption B. earthquake C. tsunamis D. volcanoes	B
Question: What is a group of neuron cell bodies in the periphery called? Options: A. ganglion B. crystals C. organism D. gangism	A
Question: Where does most of our food come from? Options: A. gymnosperms B. lichen C. microbes D. angiosperms	D
Question: Gases are most ideal at high temperature and what pressure? Options: A. low B. absolute C. high D. stable	A
Question: Hard igneous rocks and easily dissolved sedimentary rocks respond very differently to what natural force? Options: A. sunlight B. evaporation C. weathering D. gravity	C
Question: A diet rich in calcium and what vitamin may reduce the risk of osteoporosis and related bone fractures? Options: A. niacin B. vitamin C C. vitamin A D. vitamin d	D
Question: How many people die from air pollution each year? Options: A. 22 million B. 14 million C. 17 million D. 5 million	A
Question: What substances serve as catalysts in most of the biochemical reactions that take place in organisms? Options: A. iseotrops B. carbohydrates C. hormones D. enzymes	D
Question: The formation of an amalgam allows the metal to react with what? Options: A. cloth and plastic B. air and water C. blood and sweat D. helium and oxygen	B
Question: A pulley changes the direction of the force t exerted by the cord without changing its what? Options: A. position B. magnitude C. longitude D. latitude	B
Question: What is the name of the small bumps that contain taste buds and covers the tongue? Options: A. lingual tonsils B. cuticle C. palatine tonsils D. papillae	D
Question: In the absence of air resistance, all falling objects accelerate at the same rate due to what force? Options: A. gravity B. velocity C. motion D. weight	A
Question: The ability for a plasma membrane to only allow certain molecules in or out of the cell is referred to as what? Options: A. total permeability B. selective permeability C. moderate permeability D. periodic permeability	B
Question: In the presence of oxygen, hydrogen can interact to make what? Options: A. carbon B. helium C. water D. acid	C
Question: What galaxy is our solar system a part of? Options: A. Andromeda B. milky way C. Centaurus D. Bode's Galaxy	B
Question: The angle at which light bends when it enters a different medium is known as what? Options: A. resonance B. bounce C. refraction D. frequency	C
Question: Whether the organism is a bacterium, plant, or animal, all living things access energy by breaking down these? Options: A. protein molecules B. oxygen molecules C. carbohydrate molecules D. lipid molecules	C
Question: Increasing the temperature of n2 molecules increases what energy of motion? Options: A. kinetic energy B. residual energy C. compression energy D. emotional energy	A
Question: Which radio frequency should you listen to if you want less noise? Options: A. wave B. fm C. cb D. am	B
Question: What form of radiation is the energy emitted by the sun? Options: A. thermal B. electromagnetic C. magnetic D. seismic	B
Question: What is the suns innermost layer called? Options: A. surface B. flare C. core D. solar	C
Question: A growth spurt requires constant divisions of what? Options: A. cells B. hairs C. proteins D. seeds	A
Question: What's the term for the gradual progression from simple plants to larger more complex ones in an area? Options: A. complex progression B. primary pattern C. primary succession D. pattern progression	C
Question: Fungi may form mutualistic relationships with plants, algae, cyanobacteria, and what? Options: A. farmers B. plants C. animals D. eggs	C
Question: Which cycle tracks the flow of nitrogen through an ecosystem? Options: A. life cycle B. nitrogen reaction C. water cycle D. nitrogen cycle	D
Question: What consequence of a tornado is responsible for most injuries and deaths? Options: A. falling debris B. catching debris C. flying debris D. touring debris	C
Question: What are the only truly innate behaviors in humans called? Options: A. flinches B. reflexes C. feats D. automatic movements	B
Question: What happens to the density of air as the altitude decreases? Options: A. remains the same B. multiplies C. decreases D. increases	C
Question: How do some animals change their depth? Options: A. spontaneous mutations B. mass migration C. metamorphosis D. by changing their density	D
Question: What phenomenon is crowding out other species and making all the other causes of extinction worse? Options: A. human suburbanization B. climate change C. migration D. human overpopulation	D
Question: Dessication is an extreme and usually fatal form of what in animals? Options: A. diarrhea B. dehydration C. depletion D. starvation	B
Question: Internal and external forms of what life process occur as simple diffusion due to a partial pressure gradient? Options: A. photosynthesis B. respiration C. metabolism D. reproduction	B
Question: 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? Options: A. formation extinction B. minor extinction C. moderate extinction D. mass extinction	D
Question: Soluble minerals and clays accumulate in what soil layer, allowing it to hold more water? Options: A. subsurface B. topsoil C. silt D. subsoil	D
Question: What is the common word for potential difference in a circuit? Options: A. frequency B. watt C. voltage D. velocity	C
Question: How many chambers does the stomach of a crocodile have? Options: A. ten B. two C. three D. six	B
Question: When populations get close to the carrying capacity, what happens to growth? Options: A. spikes B. slows C. halts D. dies	B
Question: Although air can transfer heat rapidly by convection, it is a poor conductor and thus a good what? Options: A. transporter B. insulator C. absorber D. magnet	B
Question: Most plants grow continuously, except for what periods? Options: A. dormant B. winter C. mutant D. abnormal	A
Question: What man-made devices in space are used to observe the earth's surface? Options: A. crystals B. satellites C. sensors D. telescopes	B
Question: Carboxylic acids are weak acids, meaning they are not 100% ionized in what? Options: A. liquid B. air C. ethanol D. water	D
Question: An endocrine disease usually involves the secretion of too much or not enough of what? Options: A. sweat B. hormone C. enzyme D. metabolite	B
Question: In experiments with garden peas, austrian monk gregor mendel described the basic patterns of what? Options: A. color B. behavior C. preference D. inheritance	D
Question: Nutrition and diet affect your metabolism. more energy is required to break down fats and proteins than this? Options: A. carbohydrates B. electrolytes C. minerals D. vitamins	A
Question: What are unsaturated hydrocarbons with at least one double bond between carbon atoms called? Options: A. peptides B. amines C. enzymes D. alkenes	D
Question: What is the opposite of melting? Options: A. liquidation B. compression C. freezing D. evaporation	C
Question: A unique characteristic of mammals is the ability to chew, this happens by the temporalis and the masseter allowing what? Options: A. Grinding B. side-to-side movement C. Bakward and forward D. Up and down	B
Question: Most of the pathogens that cause stis enter the body through mucous membranes of which organs? Options: A. eyes B. stomach C. reproductive organs D. kidneys	C
Question: The activation of what kind of buds induces branching? Options: A. lymphatic buds B. leafy buds C. axillary buds D. arterial buds	C
Question: Sexual reproduction involves haploid gametes and produces a diploid zygote through what process? Options: A. infection B. sedimentation C. fertilization D. vivisection	C
Question: 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? Options: A. such limit B. done limit C. no limit D. crippling limit	C
Question: What percentage of men suffer from some form of erectile dysfunction by age 40? Options: A. approximately 60 percent B. approximately 40 percent C. approximately 80 percent D. approximately 10 percent	B
Question: What secures together immovable joints and prevents them from moving? Options: A. light collagen B. dense collagen C. dense cartilage D. light cartilage	B
Question: Transform faults are the site of massive what? Options: A. storms B. tornadoes C. earthquakes D. vibrations	C
Question: When water goes above and below its freezing point, what rock-breaking phenomenon is common? Options: A. ice crushing B. ice inverting C. ice locking D. ice wedging	D
Question: 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? Options: A. land plankton B. waste plankton C. marine plankton D. source plankton	C
Question: What type of reactions form compounds? Options: A. consumption reactions B. physical reactions C. chemical reactions D. mineral reactions	C
Question: Millions of years ago, plants used energy from the sun to form what? Options: A. evolution B. carbon compounds C. fossil fuels D. greenhouse gases	B
Question: What is the term for the process in which living things with beneficial traits produce more offspring than others do? Options: A. natural survival B. natural selection C. natural variety D. natural process	B

Question: What type of organism is commonly used in preparation of foods such as cheese and yogurt? Options: A. gymnosperms B. mesophilic organisms C. viruses D. protozoa

B

Question: 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? Options: A. tropical effect B. coriolis effect C. muon effect D. centrifugal effect

B

Question: Changes from a less-ordered state to a more-ordered state (such as a liquid to a solid) are always what? Options: A. unbalanced B. endothermic C. exothermic D. reactive

C

Question: What is the least dangerous radioactive decay? Options: A. zeta decay B. beta decay C. gamma decay D. alpha decay

D

Question: Kilauea in hawaii is the world’s most continuously active volcano. very active volcanoes characteristically eject red-hot rocks and lava rather than this? Options: A. greenhouse gases B. carbon and smog C. smoke and ash D. magma

C

Question: When a meteoroid reaches earth, what is the remaining object called? Options: A. comet B. meteorite C. meteor D. orbit

B

Question: What kind of a reaction occurs when a substance reacts quickly with oxygen? Options: A. Fluid Reaction B. nitrogen reaction C. invention reaction D. combustion reaction

D

Question: 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?. Options: A. ring species B. fitting species C. species complex D. surface species

A

Question: Alpha emission is a type of what? Options: A. radioactivity B. radiation C. light D. heat

A

Question: What is the stored food in a seed called? Options: A. pollin B. endosperm C. membrane D. larval

B

Question: 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? Options: A. active metal B. usually metal C. much metal D. Trap metal

A

Question: What is controlled by both genes and experiences in a given envionment? Options: A. animal behaviors B. reflexes C. learned behaviors D. instincts

A

Question: What tells you how much of the food you should eat to get the nutrients listed on the label? Options: A. scoop size B. longer size C. serving size D. regular size

C

Question: What are used to write nuclear equations for radioactive decay? Options: A. radioactive symbols B. nuclear symbols C. critical symbols D. trigonometric symbols

B

Question: What is controlled by regulatory proteins that bind to regulatory elements on dna? Options: A. amino acids B. mRNA C. substance transcription D. gene transcription

D

Question: Boron only occurs naturally in compounds with what element? Options: A. nitrogen B. carbon C. helium D. oxygen

D

Question: What organ systems link exchange surfaces with cells throughout the body? Options: A. circulatory B. vascular C. nervous D. pulmonary

A

Question: What occurs when the immune system attacks a harmless substance that enters the body from the outside? Options: A. plague B. allergy C. panic attack D. nausea

B

Question: Fertilization is the union of a sperm and egg, resulting in the formation of what? Options: A. a nuclei B. a cytoplasm C. a zygote D. a bacteriophage

C

Question: The plants alternation between haploid and diploud generations allow it to do what? Options: A. reproduce asexually and sexually B. reproduce sexually and autonomously C. reproduce asexually and biologically D. reproduce asexually and simultaneously

A

Question: Most of the chemical reactions in the body are facilitated by what? Options: A. proteins B. vitamins C. enzymes D. carbohydrates

C

Question: What is the termination of a pregnancy in progress called? Options: A. miscarriage B. delivery C. contraception D. abortion

D

Question: Cutting down on the use of chemical fertilizers and preserving wetlands are ways to prevent what "unlivable" regions in bodies of water? Options: A. hostile zones B. dead zones C. inhabitable zones D. fresh zones

B

Question: Which muscles allow your fingers to also make precise movements for actions? Options: A. paired muscles B. intrinsic muscles C. motoric muscles D. fine movement muscles

B

Question: Testing what usually requires making observations or performing experiments? Options: A. hypothesis B. conclusion C. variables D. homeostasis

A

Question: This sharing of electrons produces what is known as a covalent bond. covalent bonds are ~20 to 50 times stronger than what? Options: A. gravitational pull B. Newton's third law C. van der waals interactions D. Mendelian systems

C

Question: Water molecules move about continuously due to what type of energy? Options: A. potential B. optical C. kinetic D. seismic

C

Question: A small scale version of what type of map displays individual rock units? Options: A. geologic map B. seismic map C. polar map D. geographic map

A

Question: What is defined as a change in the inherited traits of organisms over time? Options: A. divergence B. generation C. variation D. evolution

D

Question: What hormone, which is associated with luteinizing hormone and male sexuality, helps bring about physical changes in puberty? Options: A. steroids B. epinephrine C. testosterone D. estrogen

C

Question: Where do angiosperms produce seeds in flowers? Options: A. cones B. germs C. ovaries D. testes

C

Question: In order to create food, what do photosynthetic protists use? Options: A. thermal energy B. hydrocarbons C. light energy D. decayed matter

C

Question: What type of vertebrates are birds? Options: A. endothermic tetrapod B. invertebrates C. exothermic D. epidermal tetrapod

A

Question: What type of ions do ionic compounds contain? Options: A. positive and charged B. positive and negative C. regular and irregular D. negative and neutal

B

Question: All living things need air and this to survive? Options: A. ecosystem B. water C. habitat D. stimuli

B

Question: The cells of all eukarya have a what? Options: A. chloroplast B. necrosis C. epidermis D. nucleus

D

Question: What type of plate boundaries produce huge mountain ranges in the ocean basin? Options: A. divergent B. coherent C. parallel D. tractional

A

Question: Interstitial carbides are produced by the reaction of most transition metals at high temperatures with what element? Options: A. carbon B. oxygen C. hydrogen D. nitrogen

A

Question: 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? Options: A. aphids B. Soil C. decomposers D. fluxes

C

Question: What are the sites of protein synthesis or assembly? Options: A. chloroplasts B. ribosomes C. plasma D. chromosomes

B

Question: What must replicate in the cell cycle before meiosis i takes place? Options: A. dna B. sperm C. cell walls D. meiotic fluid

A

Question: What phenomenon is primarily the result of plate tectonic motions? Options: A. eruption B. earthquake C. tsunamis D. volcanoes

B

Question: What is a group of neuron cell bodies in the periphery called? Options: A. ganglion B. crystals C. organism D. gangism

A

Question: Where does most of our food come from? Options: A. gymnosperms B. lichen C. microbes D. angiosperms

D

Question: Gases are most ideal at high temperature and what pressure? Options: A. low B. absolute C. high D. stable

A

Question: Hard igneous rocks and easily dissolved sedimentary rocks respond very differently to what natural force? Options: A. sunlight B. evaporation C. weathering D. gravity

C

Question: A diet rich in calcium and what vitamin may reduce the risk of osteoporosis and related bone fractures? Options: A. niacin B. vitamin C C. vitamin A D. vitamin d

D

Question: How many people die from air pollution each year? Options: A. 22 million B. 14 million C. 17 million D. 5 million

A

Question: What substances serve as catalysts in most of the biochemical reactions that take place in organisms? Options: A. iseotrops B. carbohydrates C. hormones D. enzymes

D

Question: The formation of an amalgam allows the metal to react with what? Options: A. cloth and plastic B. air and water C. blood and sweat D. helium and oxygen

B

Question: A pulley changes the direction of the force t exerted by the cord without changing its what? Options: A. position B. magnitude C. longitude D. latitude

B

Question: What is the name of the small bumps that contain taste buds and covers the tongue? Options: A. lingual tonsils B. cuticle C. palatine tonsils D. papillae

D

Question: In the absence of air resistance, all falling objects accelerate at the same rate due to what force? Options: A. gravity B. velocity C. motion D. weight

A

Question: The ability for a plasma membrane to only allow certain molecules in or out of the cell is referred to as what? Options: A. total permeability B. selective permeability C. moderate permeability D. periodic permeability

B

Question: In the presence of oxygen, hydrogen can interact to make what? Options: A. carbon B. helium C. water D. acid

C

Question: What galaxy is our solar system a part of? Options: A. Andromeda B. milky way C. Centaurus D. Bode's Galaxy

B

Question: The angle at which light bends when it enters a different medium is known as what? Options: A. resonance B. bounce C. refraction D. frequency

C

Question: Whether the organism is a bacterium, plant, or animal, all living things access energy by breaking down these? Options: A. protein molecules B. oxygen molecules C. carbohydrate molecules D. lipid molecules

C

Question: Increasing the temperature of n2 molecules increases what energy of motion? Options: A. kinetic energy B. residual energy C. compression energy D. emotional energy

A

Question: Which radio frequency should you listen to if you want less noise? Options: A. wave B. fm C. cb D. am

B

Question: What form of radiation is the energy emitted by the sun? Options: A. thermal B. electromagnetic C. magnetic D. seismic

B

Question: What is the suns innermost layer called? Options: A. surface B. flare C. core D. solar

C

Question: A growth spurt requires constant divisions of what? Options: A. cells B. hairs C. proteins D. seeds

A

Question: What's the term for the gradual progression from simple plants to larger more complex ones in an area? Options: A. complex progression B. primary pattern C. primary succession D. pattern progression

C

Question: Fungi may form mutualistic relationships with plants, algae, cyanobacteria, and what? Options: A. farmers B. plants C. animals D. eggs

C

Question: Which cycle tracks the flow of nitrogen through an ecosystem? Options: A. life cycle B. nitrogen reaction C. water cycle D. nitrogen cycle

D

Question: What consequence of a tornado is responsible for most injuries and deaths? Options: A. falling debris B. catching debris C. flying debris D. touring debris

C

Question: What are the only truly innate behaviors in humans called? Options: A. flinches B. reflexes C. feats D. automatic movements

B

Question: What happens to the density of air as the altitude decreases? Options: A. remains the same B. multiplies C. decreases D. increases

C

Question: How do some animals change their depth? Options: A. spontaneous mutations B. mass migration C. metamorphosis D. by changing their density

D

Question: What phenomenon is crowding out other species and making all the other causes of extinction worse? Options: A. human suburbanization B. climate change C. migration D. human overpopulation

D

Question: Dessication is an extreme and usually fatal form of what in animals? Options: A. diarrhea B. dehydration C. depletion D. starvation

B

Question: Internal and external forms of what life process occur as simple diffusion due to a partial pressure gradient? Options: A. photosynthesis B. respiration C. metabolism D. reproduction

B

Question: 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? Options: A. formation extinction B. minor extinction C. moderate extinction D. mass extinction

D

Question: Soluble minerals and clays accumulate in what soil layer, allowing it to hold more water? Options: A. subsurface B. topsoil C. silt D. subsoil

D

Question: What is the common word for potential difference in a circuit? Options: A. frequency B. watt C. voltage D. velocity

C

Question: How many chambers does the stomach of a crocodile have? Options: A. ten B. two C. three D. six

B

Question: When populations get close to the carrying capacity, what happens to growth? Options: A. spikes B. slows C. halts D. dies

B

Question: Although air can transfer heat rapidly by convection, it is a poor conductor and thus a good what? Options: A. transporter B. insulator C. absorber D. magnet

B

Question: Most plants grow continuously, except for what periods? Options: A. dormant B. winter C. mutant D. abnormal

A

Question: What man-made devices in space are used to observe the earth's surface? Options: A. crystals B. satellites C. sensors D. telescopes

B

Question: Carboxylic acids are weak acids, meaning they are not 100% ionized in what? Options: A. liquid B. air C. ethanol D. water

D

Question: An endocrine disease usually involves the secretion of too much or not enough of what? Options: A. sweat B. hormone C. enzyme D. metabolite

B

Question: In experiments with garden peas, austrian monk gregor mendel described the basic patterns of what? Options: A. color B. behavior C. preference D. inheritance

D

Question: Nutrition and diet affect your metabolism. more energy is required to break down fats and proteins than this? Options: A. carbohydrates B. electrolytes C. minerals D. vitamins

A

Question: What are unsaturated hydrocarbons with at least one double bond between carbon atoms called? Options: A. peptides B. amines C. enzymes D. alkenes

D

Question: What is the opposite of melting? Options: A. liquidation B. compression C. freezing D. evaporation

C

Question: A unique characteristic of mammals is the ability to chew, this happens by the temporalis and the masseter allowing what? Options: A. Grinding B. side-to-side movement C. Bakward and forward D. Up and down

B

Question: Most of the pathogens that cause stis enter the body through mucous membranes of which organs? Options: A. eyes B. stomach C. reproductive organs D. kidneys

C

Question: The activation of what kind of buds induces branching? Options: A. lymphatic buds B. leafy buds C. axillary buds D. arterial buds

C

Question: Sexual reproduction involves haploid gametes and produces a diploid zygote through what process? Options: A. infection B. sedimentation C. fertilization D. vivisection

C

Question: 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? Options: A. such limit B. done limit C. no limit D. crippling limit

C

Question: What percentage of men suffer from some form of erectile dysfunction by age 40? Options: A. approximately 60 percent B. approximately 40 percent C. approximately 80 percent D. approximately 10 percent

B

Question: What secures together immovable joints and prevents them from moving? Options: A. light collagen B. dense collagen C. dense cartilage D. light cartilage

B

Question: Transform faults are the site of massive what? Options: A. storms B. tornadoes C. earthquakes D. vibrations

C

Question: When water goes above and below its freezing point, what rock-breaking phenomenon is common? Options: A. ice crushing B. ice inverting C. ice locking D. ice wedging

D

Question: 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? Options: A. land plankton B. waste plankton C. marine plankton D. source plankton

C

Question: What type of reactions form compounds? Options: A. consumption reactions B. physical reactions C. chemical reactions D. mineral reactions

C

Question: Millions of years ago, plants used energy from the sun to form what? Options: A. evolution B. carbon compounds C. fossil fuels D. greenhouse gases

B

Question: What is the term for the process in which living things with beneficial traits produce more offspring than others do? Options: A. natural survival B. natural selection C. natural variety D. natural process

B