c0ntrolZ/all_mcqa · Datasets at Hugging Face

source stringclasses 5 values	question_body stringlengths 1 2.8k	question_options sequencelengths 4 4	answer stringlengths 4 812
SciQ	What type of organism is commonly used in preparation of foods such as cheese and yogurt?	[ "A. protozoa", "B. gymnosperms", "C. viruses", "D. mesophilic organisms" ]	D. mesophilic organisms
SciQ	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?	[ "A. muon effect", "B. centrifugal effect", "C. tropical effect", "D. coriolis effect" ]	D. coriolis effect
SciQ	Changes from a less-ordered state to a more-ordered state (such as a liquid to a solid) are always what?	[ "A. unbalanced", "B. reactive", "C. endothermic", "D. exothermic" ]	D. exothermic
SciQ	What is the least dangerous radioactive decay?	[ "A. beta decay", "B. gamma decay", "C. zeta decay", "D. alpha decay" ]	D. alpha decay
SciQ	Kilauea in hawaii is the world’s most continuously active volcano. very active volcanoes characteristically eject red-hot rocks and lava rather than this?	[ "A. greenhouse gases", "B. carbon and smog", "C. magma", "D. smoke and ash" ]	D. smoke and ash
SciQ	When a meteoroid reaches earth, what is the remaining object called?	[ "A. comet", "B. meteor", "C. orbit", "D. meteorite" ]	D. meteorite
SciQ	What kind of a reaction occurs when a substance reacts quickly with oxygen?	[ "A. invention reaction", "B. Fluid Reaction", "C. nitrogen reaction", "D. combustion reaction" ]	D. combustion reaction
SciQ	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?.	[ "A. surface species", "B. fitting species", "C. species complex", "D. ring species" ]	D. ring species
SciQ	Alpha emission is a type of what?	[ "A. radiation", "B. heat", "C. light", "D. radioactivity" ]	D. radioactivity
SciQ	What is the stored food in a seed called?	[ "A. pollin", "B. membrane", "C. larval", "D. endosperm" ]	D. endosperm
SciQ	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?	[ "A. much metal", "B. Trap metal", "C. usually metal", "D. active metal" ]	D. active metal
SciQ	What is controlled by both genes and experiences in a given envionment?	[ "A. reflexes", "B. instincts", "C. learned behaviors", "D. animal behaviors" ]	D. animal behaviors
SciQ	What tells you how much of the food you should eat to get the nutrients listed on the label?	[ "A. regular size", "B. scoop size", "C. longer size", "D. serving size" ]	D. serving size
SciQ	What are used to write nuclear equations for radioactive decay?	[ "A. trigonometric symbols", "B. critical symbols", "C. radioactive symbols", "D. nuclear symbols" ]	D. nuclear symbols
SciQ	What is controlled by regulatory proteins that bind to regulatory elements on dna?	[ "A. amino acids", "B. mRNA", "C. substance transcription", "D. gene transcription" ]	D. gene transcription
SciQ	Boron only occurs naturally in compounds with what element?	[ "A. helium", "B. nitrogen", "C. carbon", "D. oxygen" ]	D. oxygen
SciQ	What organ systems link exchange surfaces with cells throughout the body?	[ "A. vascular", "B. pulmonary", "C. nervous", "D. circulatory" ]	D. circulatory
SciQ	What occurs when the immune system attacks a harmless substance that enters the body from the outside?	[ "A. panic attack", "B. nausea", "C. plague", "D. allergy" ]	D. allergy
SciQ	Fertilization is the union of a sperm and egg, resulting in the formation of what?	[ "A. a cytoplasm", "B. a nuclei", "C. a bacteriophage", "D. a zygote" ]	D. a zygote
SciQ	The plants alternation between haploid and diploud generations allow it to do what?	[ "A. reproduce asexually and simultaneously", "B. reproduce sexually and autonomously", "C. reproduce asexually and biologically", "D. reproduce asexually and sexually" ]	D. reproduce asexually and sexually
SciQ	Most of the chemical reactions in the body are facilitated by what?	[ "A. proteins", "B. vitamins", "C. carbohydrates", "D. enzymes" ]	D. enzymes
SciQ	What is the termination of a pregnancy in progress called?	[ "A. contraception", "B. miscarriage", "C. delivery", "D. abortion" ]	D. abortion
SciQ	Cutting down on the use of chemical fertilizers and preserving wetlands are ways to prevent what "unlivable" regions in bodies of water?	[ "A. inhabitable zones", "B. hostile zones", "C. fresh zones", "D. dead zones" ]	D. dead zones
SciQ	Which muscles allow your fingers to also make precise movements for actions?	[ "A. paired muscles", "B. motoric muscles", "C. fine movement muscles", "D. intrinsic muscles" ]	D. intrinsic muscles
SciQ	Testing what usually requires making observations or performing experiments?	[ "A. variables", "B. conclusion", "C. homeostasis", "D. hypothesis" ]	D. hypothesis
SciQ	This sharing of electrons produces what is known as a covalent bond. covalent bonds are ~20 to 50 times stronger than what?	[ "A. Mendelian systems", "B. Newton's third law", "C. gravitational pull", "D. van der waals interactions" ]	D. van der waals interactions
SciQ	Water molecules move about continuously due to what type of energy?	[ "A. seismic", "B. potential", "C. optical", "D. kinetic" ]	D. kinetic
SciQ	A small scale version of what type of map displays individual rock units?	[ "A. seismic map", "B. geographic map", "C. polar map", "D. geologic map" ]	D. geologic map
SciQ	What is defined as a change in the inherited traits of organisms over time?	[ "A. variation", "B. divergence", "C. generation", "D. evolution" ]	D. evolution
SciQ	What hormone, which is associated with luteinizing hormone and male sexuality, helps bring about physical changes in puberty?	[ "A. steroids", "B. epinephrine", "C. estrogen", "D. testosterone" ]	D. testosterone
SciQ	Where do angiosperms produce seeds in flowers?	[ "A. germs", "B. cones", "C. testes", "D. ovaries" ]	D. ovaries
SciQ	In order to create food, what do photosynthetic protists use?	[ "A. thermal energy", "B. hydrocarbons", "C. decayed matter", "D. light energy" ]	D. light energy
SciQ	What type of vertebrates are birds?	[ "A. epidermal tetrapod", "B. invertebrates", "C. exothermic", "D. endothermic tetrapod" ]	D. endothermic tetrapod
SciQ	What type of ions do ionic compounds contain?	[ "A. regular and irregular", "B. positive and charged", "C. negative and neutal", "D. positive and negative" ]	D. positive and negative
SciQ	All living things need air and this to survive?	[ "A. stimuli", "B. habitat", "C. ecosystem", "D. water" ]	D. water
SciQ	The cells of all eukarya have a what?	[ "A. chloroplast", "B. epidermis", "C. necrosis", "D. nucleus" ]	D. nucleus
SciQ	What type of plate boundaries produce huge mountain ranges in the ocean basin?	[ "A. coherent", "B. parallel", "C. tractional", "D. divergent" ]	D. divergent
SciQ	Interstitial carbides are produced by the reaction of most transition metals at high temperatures with what element?	[ "A. hydrogen", "B. oxygen", "C. nitrogen", "D. carbon" ]	D. carbon
SciQ	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?	[ "A. aphids", "B. Soil", "C. fluxes", "D. decomposers" ]	D. decomposers
SciQ	What are the sites of protein synthesis or assembly?	[ "A. chloroplasts", "B. chromosomes", "C. plasma", "D. ribosomes" ]	D. ribosomes
SciQ	What must replicate in the cell cycle before meiosis i takes place?	[ "A. cell walls", "B. sperm", "C. meiotic fluid", "D. dna" ]	D. dna
SciQ	What phenomenon is primarily the result of plate tectonic motions?	[ "A. eruption", "B. tsunamis", "C. volcanoes", "D. earthquake" ]	D. earthquake
SciQ	What is a group of neuron cell bodies in the periphery called?	[ "A. crystals", "B. organism", "C. gangism", "D. ganglion" ]	D. ganglion
SciQ	Where does most of our food come from?	[ "A. microbes", "B. lichen", "C. gymnosperms", "D. angiosperms" ]	D. angiosperms
SciQ	Gases are most ideal at high temperature and what pressure?	[ "A. absolute", "B. high", "C. stable", "D. low" ]	D. low
SciQ	Hard igneous rocks and easily dissolved sedimentary rocks respond very differently to what natural force?	[ "A. gravity", "B. sunlight", "C. evaporation", "D. weathering" ]	D. weathering
SciQ	A diet rich in calcium and what vitamin may reduce the risk of osteoporosis and related bone fractures?	[ "A. niacin", "B. vitamin A", "C. vitamin C", "D. vitamin d" ]	D. vitamin d
SciQ	How many people die from air pollution each year?	[ "A. 14 million", "B. 17 million", "C. 5 million", "D. 22 million" ]	D. 22 million
SciQ	What substances serve as catalysts in most of the biochemical reactions that take place in organisms?	[ "A. hormones", "B. carbohydrates", "C. iseotrops", "D. enzymes" ]	D. enzymes
SciQ	The formation of an amalgam allows the metal to react with what?	[ "A. helium and oxygen", "B. cloth and plastic", "C. blood and sweat", "D. air and water" ]	D. air and water
SciQ	A pulley changes the direction of the force t exerted by the cord without changing its what?	[ "A. longitude", "B. latitude", "C. position", "D. magnitude" ]	D. magnitude
SciQ	What is the name of the small bumps that contain taste buds and covers the tongue?	[ "A. lingual tonsils", "B. palatine tonsils", "C. cuticle", "D. papillae" ]	D. papillae
SciQ	In the absence of air resistance, all falling objects accelerate at the same rate due to what force?	[ "A. velocity", "B. weight", "C. motion", "D. gravity" ]	D. gravity
SciQ	The ability for a plasma membrane to only allow certain molecules in or out of the cell is referred to as what?	[ "A. periodic permeability", "B. total permeability", "C. moderate permeability", "D. selective permeability" ]	D. selective permeability
SciQ	In the presence of oxygen, hydrogen can interact to make what?	[ "A. carbon", "B. helium", "C. acid", "D. water" ]	D. water
SciQ	What galaxy is our solar system a part of?	[ "A. Centaurus", "B. Andromeda", "C. Bode's Galaxy", "D. milky way" ]	D. milky way
SciQ	The angle at which light bends when it enters a different medium is known as what?	[ "A. bounce", "B. frequency", "C. resonance", "D. refraction" ]	D. refraction
SciQ	Whether the organism is a bacterium, plant, or animal, all living things access energy by breaking down these?	[ "A. lipid molecules", "B. protein molecules", "C. oxygen molecules", "D. carbohydrate molecules" ]	D. carbohydrate molecules
SciQ	Increasing the temperature of n2 molecules increases what energy of motion?	[ "A. compression energy", "B. residual energy", "C. emotional energy", "D. kinetic energy" ]	D. kinetic energy
SciQ	Which radio frequency should you listen to if you want less noise?	[ "A. am", "B. wave", "C. cb", "D. fm" ]	D. fm
SciQ	What form of radiation is the energy emitted by the sun?	[ "A. seismic", "B. magnetic", "C. thermal", "D. electromagnetic" ]	D. electromagnetic
SciQ	What is the suns innermost layer called?	[ "A. surface", "B. solar", "C. flare", "D. core" ]	D. core
SciQ	A growth spurt requires constant divisions of what?	[ "A. hairs", "B. seeds", "C. proteins", "D. cells" ]	D. cells
SciQ	What's the term for the gradual progression from simple plants to larger more complex ones in an area?	[ "A. complex progression", "B. pattern progression", "C. primary pattern", "D. primary succession" ]	D. primary succession
SciQ	Fungi may form mutualistic relationships with plants, algae, cyanobacteria, and what?	[ "A. plants", "B. farmers", "C. eggs", "D. animals" ]	D. animals
SciQ	Which cycle tracks the flow of nitrogen through an ecosystem?	[ "A. nitrogen reaction", "B. water cycle", "C. life cycle", "D. nitrogen cycle" ]	D. nitrogen cycle
SciQ	What consequence of a tornado is responsible for most injuries and deaths?	[ "A. catching debris", "B. touring debris", "C. falling debris", "D. flying debris" ]	D. flying debris
SciQ	What are the only truly innate behaviors in humans called?	[ "A. automatic movements", "B. flinches", "C. feats", "D. reflexes" ]	D. reflexes
SciQ	What happens to the density of air as the altitude decreases?	[ "A. multiplies", "B. remains the same", "C. increases", "D. decreases" ]	D. decreases
SciQ	How do some animals change their depth?	[ "A. mass migration", "B. metamorphosis", "C. spontaneous mutations", "D. by changing their density" ]	D. by changing their density
SciQ	What phenomenon is crowding out other species and making all the other causes of extinction worse?	[ "A. climate change", "B. human suburbanization", "C. migration", "D. human overpopulation" ]	D. human overpopulation
SciQ	Dessication is an extreme and usually fatal form of what in animals?	[ "A. diarrhea", "B. depletion", "C. starvation", "D. dehydration" ]	D. dehydration
SciQ	Internal and external forms of what life process occur as simple diffusion due to a partial pressure gradient?	[ "A. reproduction", "B. metabolism", "C. photosynthesis", "D. respiration" ]	D. respiration
SciQ	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?	[ "A. minor extinction", "B. moderate extinction", "C. formation extinction", "D. mass extinction" ]	D. mass extinction
SciQ	Soluble minerals and clays accumulate in what soil layer, allowing it to hold more water?	[ "A. silt", "B. subsurface", "C. topsoil", "D. subsoil" ]	D. subsoil
SciQ	What is the common word for potential difference in a circuit?	[ "A. watt", "B. velocity", "C. frequency", "D. voltage" ]	D. voltage
SciQ	How many chambers does the stomach of a crocodile have?	[ "A. six", "B. ten", "C. three", "D. two" ]	D. two
SciQ	When populations get close to the carrying capacity, what happens to growth?	[ "A. halts", "B. dies", "C. spikes", "D. slows" ]	D. slows
SciQ	Although air can transfer heat rapidly by convection, it is a poor conductor and thus a good what?	[ "A. magnet", "B. absorber", "C. transporter", "D. insulator" ]	D. insulator
SciQ	Most plants grow continuously, except for what periods?	[ "A. abnormal", "B. mutant", "C. winter", "D. dormant" ]	D. dormant
SciQ	What man-made devices in space are used to observe the earth's surface?	[ "A. crystals", "B. telescopes", "C. sensors", "D. satellites" ]	D. satellites
SciQ	Carboxylic acids are weak acids, meaning they are not 100% ionized in what?	[ "A. air", "B. ethanol", "C. liquid", "D. water" ]	D. water
SciQ	An endocrine disease usually involves the secretion of too much or not enough of what?	[ "A. enzyme", "B. metabolite", "C. sweat", "D. hormone" ]	D. hormone
SciQ	In experiments with garden peas, austrian monk gregor mendel described the basic patterns of what?	[ "A. behavior", "B. preference", "C. color", "D. inheritance" ]	D. inheritance
SciQ	Nutrition and diet affect your metabolism. more energy is required to break down fats and proteins than this?	[ "A. vitamins", "B. electrolytes", "C. minerals", "D. carbohydrates" ]	D. carbohydrates
SciQ	What are unsaturated hydrocarbons with at least one double bond between carbon atoms called?	[ "A. amines", "B. enzymes", "C. peptides", "D. alkenes" ]	D. alkenes
SciQ	What is the opposite of melting?	[ "A. evaporation", "B. liquidation", "C. compression", "D. freezing" ]	D. freezing
SciQ	A unique characteristic of mammals is the ability to chew, this happens by the temporalis and the masseter allowing what?	[ "A. Up and down", "B. Bakward and forward", "C. Grinding", "D. side-to-side movement" ]	D. side-to-side movement
SciQ	Most of the pathogens that cause stis enter the body through mucous membranes of which organs?	[ "A. eyes", "B. kidneys", "C. stomach", "D. reproductive organs" ]	D. reproductive organs
SciQ	The activation of what kind of buds induces branching?	[ "A. lymphatic buds", "B. leafy buds", "C. arterial buds", "D. axillary buds" ]	D. axillary buds
SciQ	Sexual reproduction involves haploid gametes and produces a diploid zygote through what process?	[ "A. infection", "B. vivisection", "C. sedimentation", "D. fertilization" ]	D. fertilization
SciQ	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?	[ "A. done limit", "B. crippling limit", "C. such limit", "D. no limit" ]	D. no limit
SciQ	What percentage of men suffer from some form of erectile dysfunction by age 40?	[ "A. approximately 60 percent", "B. approximately 10 percent", "C. approximately 80 percent", "D. approximately 40 percent" ]	D. approximately 40 percent
SciQ	What secures together immovable joints and prevents them from moving?	[ "A. light collagen", "B. light cartilage", "C. dense cartilage", "D. dense collagen" ]	D. dense collagen
SciQ	Transform faults are the site of massive what?	[ "A. vibrations", "B. storms", "C. tornadoes", "D. earthquakes" ]	D. earthquakes
SciQ	When water goes above and below its freezing point, what rock-breaking phenomenon is common?	[ "A. ice locking", "B. ice inverting", "C. ice crushing", "D. ice wedging" ]	D. ice wedging
SciQ	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?	[ "A. waste plankton", "B. land plankton", "C. source plankton", "D. marine plankton" ]	D. marine plankton
SciQ	What type of reactions form compounds?	[ "A. mineral reactions", "B. consumption reactions", "C. physical reactions", "D. chemical reactions" ]	D. chemical reactions
SciQ	Millions of years ago, plants used energy from the sun to form what?	[ "A. fossil fuels", "B. evolution", "C. greenhouse gases", "D. carbon compounds" ]	D. carbon compounds
SciQ	What is the term for the process in which living things with beneficial traits produce more offspring than others do?	[ "A. natural process", "B. natural survival", "C. natural variety", "D. natural selection" ]	D. natural selection

SciQ

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

[ "A. protozoa", "B. gymnosperms", "C. viruses", "D. mesophilic organisms" ]

D. mesophilic organisms

SciQ

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?

[ "A. muon effect", "B. centrifugal effect", "C. tropical effect", "D. coriolis effect" ]

D. coriolis effect

SciQ

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

[ "A. unbalanced", "B. reactive", "C. endothermic", "D. exothermic" ]

D. exothermic

SciQ

What is the least dangerous radioactive decay?

[ "A. beta decay", "B. gamma decay", "C. zeta decay", "D. alpha decay" ]

D. alpha decay

SciQ

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

[ "A. greenhouse gases", "B. carbon and smog", "C. magma", "D. smoke and ash" ]

D. smoke and ash

SciQ

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

[ "A. comet", "B. meteor", "C. orbit", "D. meteorite" ]

D. meteorite

SciQ

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

[ "A. invention reaction", "B. Fluid Reaction", "C. nitrogen reaction", "D. combustion reaction" ]

D. combustion reaction

SciQ

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?.

[ "A. surface species", "B. fitting species", "C. species complex", "D. ring species" ]

D. ring species

SciQ

Alpha emission is a type of what?

[ "A. radiation", "B. heat", "C. light", "D. radioactivity" ]

D. radioactivity

SciQ

What is the stored food in a seed called?

[ "A. pollin", "B. membrane", "C. larval", "D. endosperm" ]

D. endosperm

SciQ

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?

[ "A. much metal", "B. Trap metal", "C. usually metal", "D. active metal" ]

D. active metal

SciQ

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

[ "A. reflexes", "B. instincts", "C. learned behaviors", "D. animal behaviors" ]

D. animal behaviors

SciQ

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

[ "A. regular size", "B. scoop size", "C. longer size", "D. serving size" ]

D. serving size

SciQ

What are used to write nuclear equations for radioactive decay?

[ "A. trigonometric symbols", "B. critical symbols", "C. radioactive symbols", "D. nuclear symbols" ]

D. nuclear symbols

SciQ

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

[ "A. amino acids", "B. mRNA", "C. substance transcription", "D. gene transcription" ]

D. gene transcription

SciQ

Boron only occurs naturally in compounds with what element?

[ "A. helium", "B. nitrogen", "C. carbon", "D. oxygen" ]

D. oxygen

SciQ

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

[ "A. vascular", "B. pulmonary", "C. nervous", "D. circulatory" ]

D. circulatory

SciQ

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

[ "A. panic attack", "B. nausea", "C. plague", "D. allergy" ]

D. allergy

SciQ

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

[ "A. a cytoplasm", "B. a nuclei", "C. a bacteriophage", "D. a zygote" ]

D. a zygote

SciQ

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

[ "A. reproduce asexually and simultaneously", "B. reproduce sexually and autonomously", "C. reproduce asexually and biologically", "D. reproduce asexually and sexually" ]

D. reproduce asexually and sexually

SciQ

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

[ "A. proteins", "B. vitamins", "C. carbohydrates", "D. enzymes" ]

D. enzymes

SciQ

What is the termination of a pregnancy in progress called?

[ "A. contraception", "B. miscarriage", "C. delivery", "D. abortion" ]

D. abortion

SciQ

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

[ "A. inhabitable zones", "B. hostile zones", "C. fresh zones", "D. dead zones" ]

D. dead zones

SciQ

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

[ "A. paired muscles", "B. motoric muscles", "C. fine movement muscles", "D. intrinsic muscles" ]

D. intrinsic muscles

SciQ

Testing what usually requires making observations or performing experiments?

[ "A. variables", "B. conclusion", "C. homeostasis", "D. hypothesis" ]

D. hypothesis

SciQ

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

[ "A. Mendelian systems", "B. Newton's third law", "C. gravitational pull", "D. van der waals interactions" ]

D. van der waals interactions

SciQ

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

[ "A. seismic", "B. potential", "C. optical", "D. kinetic" ]

D. kinetic

SciQ

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

[ "A. seismic map", "B. geographic map", "C. polar map", "D. geologic map" ]

D. geologic map

SciQ

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

[ "A. variation", "B. divergence", "C. generation", "D. evolution" ]

D. evolution

SciQ

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

[ "A. steroids", "B. epinephrine", "C. estrogen", "D. testosterone" ]

D. testosterone

SciQ

Where do angiosperms produce seeds in flowers?

[ "A. germs", "B. cones", "C. testes", "D. ovaries" ]

D. ovaries

SciQ

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

[ "A. thermal energy", "B. hydrocarbons", "C. decayed matter", "D. light energy" ]

D. light energy

SciQ

What type of vertebrates are birds?

[ "A. epidermal tetrapod", "B. invertebrates", "C. exothermic", "D. endothermic tetrapod" ]

D. endothermic tetrapod

SciQ

What type of ions do ionic compounds contain?

[ "A. regular and irregular", "B. positive and charged", "C. negative and neutal", "D. positive and negative" ]

D. positive and negative

SciQ

All living things need air and this to survive?

[ "A. stimuli", "B. habitat", "C. ecosystem", "D. water" ]

D. water

SciQ

The cells of all eukarya have a what?

[ "A. chloroplast", "B. epidermis", "C. necrosis", "D. nucleus" ]

D. nucleus

SciQ

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

[ "A. coherent", "B. parallel", "C. tractional", "D. divergent" ]

D. divergent

SciQ

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

[ "A. hydrogen", "B. oxygen", "C. nitrogen", "D. carbon" ]

D. carbon

SciQ

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?

[ "A. aphids", "B. Soil", "C. fluxes", "D. decomposers" ]

D. decomposers

SciQ

What are the sites of protein synthesis or assembly?

[ "A. chloroplasts", "B. chromosomes", "C. plasma", "D. ribosomes" ]

D. ribosomes

SciQ

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

[ "A. cell walls", "B. sperm", "C. meiotic fluid", "D. dna" ]

D. dna

SciQ

What phenomenon is primarily the result of plate tectonic motions?

[ "A. eruption", "B. tsunamis", "C. volcanoes", "D. earthquake" ]

D. earthquake

SciQ

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

[ "A. crystals", "B. organism", "C. gangism", "D. ganglion" ]

D. ganglion

SciQ

Where does most of our food come from?

[ "A. microbes", "B. lichen", "C. gymnosperms", "D. angiosperms" ]

D. angiosperms

SciQ

Gases are most ideal at high temperature and what pressure?

[ "A. absolute", "B. high", "C. stable", "D. low" ]

D. low

SciQ

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

[ "A. gravity", "B. sunlight", "C. evaporation", "D. weathering" ]

D. weathering

SciQ

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

[ "A. niacin", "B. vitamin A", "C. vitamin C", "D. vitamin d" ]

D. vitamin d

SciQ

How many people die from air pollution each year?

[ "A. 14 million", "B. 17 million", "C. 5 million", "D. 22 million" ]

D. 22 million

SciQ

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

[ "A. hormones", "B. carbohydrates", "C. iseotrops", "D. enzymes" ]

D. enzymes

SciQ

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

[ "A. helium and oxygen", "B. cloth and plastic", "C. blood and sweat", "D. air and water" ]

D. air and water

SciQ

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

[ "A. longitude", "B. latitude", "C. position", "D. magnitude" ]

D. magnitude

SciQ

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

[ "A. lingual tonsils", "B. palatine tonsils", "C. cuticle", "D. papillae" ]

D. papillae

SciQ

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

[ "A. velocity", "B. weight", "C. motion", "D. gravity" ]

D. gravity

SciQ

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

[ "A. periodic permeability", "B. total permeability", "C. moderate permeability", "D. selective permeability" ]

D. selective permeability

SciQ

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

[ "A. carbon", "B. helium", "C. acid", "D. water" ]

D. water

SciQ

What galaxy is our solar system a part of?

[ "A. Centaurus", "B. Andromeda", "C. Bode's Galaxy", "D. milky way" ]

D. milky way

SciQ

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

[ "A. bounce", "B. frequency", "C. resonance", "D. refraction" ]

D. refraction

SciQ

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

[ "A. lipid molecules", "B. protein molecules", "C. oxygen molecules", "D. carbohydrate molecules" ]

D. carbohydrate molecules

SciQ

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

[ "A. compression energy", "B. residual energy", "C. emotional energy", "D. kinetic energy" ]

D. kinetic energy

SciQ

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

[ "A. am", "B. wave", "C. cb", "D. fm" ]

D. fm

SciQ

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

[ "A. seismic", "B. magnetic", "C. thermal", "D. electromagnetic" ]

D. electromagnetic

SciQ

What is the suns innermost layer called?

[ "A. surface", "B. solar", "C. flare", "D. core" ]

D. core

SciQ

A growth spurt requires constant divisions of what?

[ "A. hairs", "B. seeds", "C. proteins", "D. cells" ]

D. cells

SciQ

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

[ "A. complex progression", "B. pattern progression", "C. primary pattern", "D. primary succession" ]

D. primary succession

SciQ

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

[ "A. plants", "B. farmers", "C. eggs", "D. animals" ]

D. animals

SciQ

Which cycle tracks the flow of nitrogen through an ecosystem?

[ "A. nitrogen reaction", "B. water cycle", "C. life cycle", "D. nitrogen cycle" ]

D. nitrogen cycle

SciQ

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

[ "A. catching debris", "B. touring debris", "C. falling debris", "D. flying debris" ]

D. flying debris

SciQ

What are the only truly innate behaviors in humans called?

[ "A. automatic movements", "B. flinches", "C. feats", "D. reflexes" ]

D. reflexes

SciQ

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

[ "A. multiplies", "B. remains the same", "C. increases", "D. decreases" ]

D. decreases

SciQ

How do some animals change their depth?

[ "A. mass migration", "B. metamorphosis", "C. spontaneous mutations", "D. by changing their density" ]

D. by changing their density

SciQ

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

[ "A. climate change", "B. human suburbanization", "C. migration", "D. human overpopulation" ]

D. human overpopulation

SciQ

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

[ "A. diarrhea", "B. depletion", "C. starvation", "D. dehydration" ]

D. dehydration

SciQ

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

[ "A. reproduction", "B. metabolism", "C. photosynthesis", "D. respiration" ]

D. respiration

SciQ

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?

[ "A. minor extinction", "B. moderate extinction", "C. formation extinction", "D. mass extinction" ]

D. mass extinction

SciQ

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

[ "A. silt", "B. subsurface", "C. topsoil", "D. subsoil" ]

D. subsoil

SciQ

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

[ "A. watt", "B. velocity", "C. frequency", "D. voltage" ]

D. voltage

SciQ

How many chambers does the stomach of a crocodile have?

[ "A. six", "B. ten", "C. three", "D. two" ]

D. two

SciQ

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

[ "A. halts", "B. dies", "C. spikes", "D. slows" ]

D. slows

SciQ

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

[ "A. magnet", "B. absorber", "C. transporter", "D. insulator" ]

D. insulator

SciQ

Most plants grow continuously, except for what periods?

[ "A. abnormal", "B. mutant", "C. winter", "D. dormant" ]

D. dormant

SciQ

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

[ "A. crystals", "B. telescopes", "C. sensors", "D. satellites" ]

D. satellites

SciQ

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

[ "A. air", "B. ethanol", "C. liquid", "D. water" ]

D. water

SciQ

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

[ "A. enzyme", "B. metabolite", "C. sweat", "D. hormone" ]

D. hormone

SciQ

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

[ "A. behavior", "B. preference", "C. color", "D. inheritance" ]

D. inheritance

SciQ

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

[ "A. vitamins", "B. electrolytes", "C. minerals", "D. carbohydrates" ]

D. carbohydrates

SciQ

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

[ "A. amines", "B. enzymes", "C. peptides", "D. alkenes" ]

D. alkenes

SciQ

What is the opposite of melting?

[ "A. evaporation", "B. liquidation", "C. compression", "D. freezing" ]

D. freezing

SciQ

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

[ "A. Up and down", "B. Bakward and forward", "C. Grinding", "D. side-to-side movement" ]

D. side-to-side movement

SciQ

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

[ "A. eyes", "B. kidneys", "C. stomach", "D. reproductive organs" ]

D. reproductive organs

SciQ

The activation of what kind of buds induces branching?

[ "A. lymphatic buds", "B. leafy buds", "C. arterial buds", "D. axillary buds" ]

D. axillary buds

SciQ

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

[ "A. infection", "B. vivisection", "C. sedimentation", "D. fertilization" ]

D. fertilization

SciQ

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?

[ "A. done limit", "B. crippling limit", "C. such limit", "D. no limit" ]

D. no limit

SciQ

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

[ "A. approximately 60 percent", "B. approximately 10 percent", "C. approximately 80 percent", "D. approximately 40 percent" ]

D. approximately 40 percent

SciQ

What secures together immovable joints and prevents them from moving?

[ "A. light collagen", "B. light cartilage", "C. dense cartilage", "D. dense collagen" ]

D. dense collagen

SciQ

Transform faults are the site of massive what?

[ "A. vibrations", "B. storms", "C. tornadoes", "D. earthquakes" ]

D. earthquakes

SciQ

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

[ "A. ice locking", "B. ice inverting", "C. ice crushing", "D. ice wedging" ]

D. ice wedging

SciQ

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?

[ "A. waste plankton", "B. land plankton", "C. source plankton", "D. marine plankton" ]

D. marine plankton

SciQ

What type of reactions form compounds?

[ "A. mineral reactions", "B. consumption reactions", "C. physical reactions", "D. chemical reactions" ]

D. chemical reactions

SciQ

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

[ "A. fossil fuels", "B. evolution", "C. greenhouse gases", "D. carbon compounds" ]

D. carbon compounds

SciQ

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

[ "A. natural process", "B. natural survival", "C. natural variety", "D. natural selection" ]

D. natural selection