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What are elements that generally do not conduct electricity?
[ "metal", "iron", "copper", "nonmetals" ]
nonmetals
Answer the following multiple-choice question. Question: What are elements that generally do not conduct electricity? Options: A. metal B. iron C. copper D. nonmetals Which option is correct and why?
The correct answer is: nonmetals.
Superconductors expel a magnetic field from their interior. what is this phenomenon known as?
[ "meissner effect", "lauer effect", "eibner effect", "weissenberg effect" ]
meissner effect
Answer the following multiple-choice question. Question: Superconductors expel a magnetic field from their interior. what is this phenomenon known as? Options: A. meissner effect B. lauer effect C. eibner effect D. weissenberg effect Which option is correct and why?
The correct answer is: meissner effect.
Continually increasing the pressure on the liquid will eventually cause the substance to do what?
[ "erode", "solidify", "transform", "explode" ]
solidify
Answer the following multiple-choice question. Question: Continually increasing the pressure on the liquid will eventually cause the substance to do what? Options: A. erode B. solidify C. transform D. explode Which option is correct and why?
The correct answer is: solidify.
Hypersensitivity may refer to a maladaptive response of what system toward a harmless foreign substance?
[ "immune", "System", "brain", "oxygen" ]
immune
Answer the following multiple-choice question. Question: Hypersensitivity may refer to a maladaptive response of what system toward a harmless foreign substance? Options: A. immune B. System C. brain D. oxygen Which option is correct and why?
The correct answer is: immune.
Similarity that results from common ancestry is known as what?
[ "homology", "affinity", "heterogeny", "duality" ]
homology
Answer the following multiple-choice question. Question: Similarity that results from common ancestry is known as what? Options: A. homology B. affinity C. heterogeny D. duality Which option is correct and why?
The correct answer is: homology.
We all start as a single cell and soon grow into what?
[ "nucleus", "uterus", "embryo", "egg" ]
embryo
Answer the following multiple-choice question. Question: We all start as a single cell and soon grow into what? Options: A. nucleus B. uterus C. embryo D. egg Which option is correct and why?
The correct answer is: embryo.
Which acid contains only one ionizable hydrogen?
[ "monoprotic acid", "lactic acid", "amino acid", "citric acid" ]
monoprotic acid
Answer the following multiple-choice question. Question: Which acid contains only one ionizable hydrogen? Options: A. monoprotic acid B. lactic acid C. amino acid D. citric acid Which option is correct and why?
The correct answer is: monoprotic acid.
The epidermis is made of which closely packed cells?
[ "nerve cells", "epithelial cells", "muscle cells", "cancer cells" ]
epithelial cells
Answer the following multiple-choice question. Question: The epidermis is made of which closely packed cells? Options: A. nerve cells B. epithelial cells C. muscle cells D. cancer cells Which option is correct and why?
The correct answer is: epithelial cells.
What is a double membrane of the nucleus that encloses the genetic material?
[ "cell membrane", "nuclear enevelope", "nuclear wall", "cell wall" ]
nuclear enevelope
Answer the following multiple-choice question. Question: What is a double membrane of the nucleus that encloses the genetic material? Options: A. cell membrane B. nuclear enevelope C. nuclear wall D. cell wall Which option is correct and why?
The correct answer is: nuclear enevelope.
What effect does changing temperature have on a system at equilibrium?
[ "the height", "energy", "stress", "movement" ]
stress
Answer the following multiple-choice question. Question: What effect does changing temperature have on a system at equilibrium? Options: A. the height B. energy C. stress D. movement Which option is correct and why?
The correct answer is: stress.
What type of cancer can the use of tanning beds lead to?
[ "skin cancer", "tissue cancer", "brain cancer", "breast cancer" ]
skin cancer
Answer the following multiple-choice question. Question: What type of cancer can the use of tanning beds lead to? Options: A. skin cancer B. tissue cancer C. brain cancer D. breast cancer Which option is correct and why?
The correct answer is: skin cancer.
Organisms tend to be larger in size at higher what levels?
[ "trophic", "benthic", "proteolytic", "Secondary Layer" ]
trophic
Answer the following multiple-choice question. Question: Organisms tend to be larger in size at higher what levels? Options: A. trophic B. benthic C. proteolytic D. Secondary Layer Which option is correct and why?
The correct answer is: trophic.
A major step in animal evolution was the evolution of what rigid rod that runs the length of the body?
[ "endoderm", "notochord", "limbic system", "mitochondria" ]
notochord
Answer the following multiple-choice question. Question: A major step in animal evolution was the evolution of what rigid rod that runs the length of the body? Options: A. endoderm B. notochord C. limbic system D. mitochondria Which option is correct and why?
The correct answer is: notochord.
What is the name of the process that refers to the balance or equilibrium within the cell or a body?
[ "static", "determinants", "homeostasis", "hypothesis" ]
homeostasis
Answer the following multiple-choice question. Question: What is the name of the process that refers to the balance or equilibrium within the cell or a body? Options: A. static B. determinants C. homeostasis D. hypothesis Which option is correct and why?
The correct answer is: homeostasis.
What is the clear, protective covering on the outside of the eye?
[ "retina", "vitreous fluid", "iris", "cornea" ]
cornea
Answer the following multiple-choice question. Question: What is the clear, protective covering on the outside of the eye? Options: A. retina B. vitreous fluid C. iris D. cornea Which option is correct and why?
The correct answer is: cornea.
Deeper layers of rock must be older than layers closer to the surface, this is the law of what?
[ "erosion", "flux", "superposition", "diffraction" ]
superposition
Answer the following multiple-choice question. Question: Deeper layers of rock must be older than layers closer to the surface, this is the law of what? Options: A. erosion B. flux C. superposition D. diffraction Which option is correct and why?
The correct answer is: superposition.
Dentists occasionally use metallic mixtures called amalgams for what?
[ "braces", "tools", "fillings", "anesthesia" ]
fillings
Answer the following multiple-choice question. Question: Dentists occasionally use metallic mixtures called amalgams for what? Options: A. braces B. tools C. fillings D. anesthesia Which option is correct and why?
The correct answer is: fillings.
Which infection turns ant's abdomen red and fruit-like and an easy prey for birds?
[ "yeast", "cocklebur", "neotropicum", "trichina" ]
neotropicum
Answer the following multiple-choice question. Question: Which infection turns ant's abdomen red and fruit-like and an easy prey for birds? Options: A. yeast B. cocklebur C. neotropicum D. trichina Which option is correct and why?
The correct answer is: neotropicum.
What do mitochondrions have an inner and outer version of?
[ "Fatty Acids", "Molecule", "protein", "membrane" ]
membrane
Answer the following multiple-choice question. Question: What do mitochondrions have an inner and outer version of? Options: A. Fatty Acids B. Molecule C. protein D. membrane Which option is correct and why?
The correct answer is: membrane.
Resistance to pesticides in a population of insects is an example of what?
[ "macroevolution", "microevolution", "redistributions", "extinction" ]
microevolution
Answer the following multiple-choice question. Question: Resistance to pesticides in a population of insects is an example of what? Options: A. macroevolution B. microevolution C. redistributions D. extinction Which option is correct and why?
The correct answer is: microevolution.
What expresses the mass of substance in terms of the volume occupied by the substance?
[ "frequency", "velocity", "diameter", "density" ]
density
Answer the following multiple-choice question. Question: What expresses the mass of substance in terms of the volume occupied by the substance? Options: A. frequency B. velocity C. diameter D. density Which option is correct and why?
The correct answer is: density.
What organ is the hypothalamus a part of?
[ "brain", "heart", "Nervous system", "liver" ]
brain
Answer the following multiple-choice question. Question: What organ is the hypothalamus a part of? Options: A. brain B. heart C. Nervous system D. liver Which option is correct and why?
The correct answer is: brain.
Urea, ammonia and uric acid are types of what waste, excreted in different forms by different species?
[ "methane waste", "fecal waste", "carbon waste", "nitrogenous waste" ]
nitrogenous waste
Answer the following multiple-choice question. Question: Urea, ammonia and uric acid are types of what waste, excreted in different forms by different species? Options: A. methane waste B. fecal waste C. carbon waste D. nitrogenous waste Which option is correct and why?
The correct answer is: nitrogenous waste.
Besides tasting food, what organ is necessary for mastication, deglutition (swallowing), and speech?
[ "tongue", "throat", "larnyx", "mouth" ]
tongue
Answer the following multiple-choice question. Question: Besides tasting food, what organ is necessary for mastication, deglutition (swallowing), and speech? Options: A. tongue B. throat C. larnyx D. mouth Which option is correct and why?
The correct answer is: tongue.
What is transmitted by moving electrons in an electric current?
[ "electrical energy", "subsequent energy", "potential energy", "stellar energy" ]
electrical energy
Answer the following multiple-choice question. Question: What is transmitted by moving electrons in an electric current? Options: A. electrical energy B. subsequent energy C. potential energy D. stellar energy Which option is correct and why?
The correct answer is: electrical energy.
What happens if a molecule forms strong bonds to the catalyst?
[ "molecules gets poisoned", "membrane gets poisoned", "catalyst gets poisoned", "surface gets poisoned" ]
catalyst gets poisoned
Answer the following multiple-choice question. Question: What happens if a molecule forms strong bonds to the catalyst? Options: A. molecules gets poisoned B. membrane gets poisoned C. catalyst gets poisoned D. surface gets poisoned Which option is correct and why?
The correct answer is: catalyst gets poisoned.
In general, kinetic energy is the form of energy powering any type of matter in motion, while the energy of position is called what?
[ "potential energy", "thermal energy", "mechanical energy", "magnetic energy" ]
potential energy
Answer the following multiple-choice question. Question: In general, kinetic energy is the form of energy powering any type of matter in motion, while the energy of position is called what? Options: A. potential energy B. thermal energy C. mechanical energy D. magnetic energy Which option is correct and why?
The correct answer is: potential energy.
What event occurs between the two solstices?
[ "Leap Year", "summer", "equinox", "Christmas" ]
equinox
Answer the following multiple-choice question. Question: What event occurs between the two solstices? Options: A. Leap Year B. summer C. equinox D. Christmas Which option is correct and why?
The correct answer is: equinox.
Alveoli can be found in which organ in the human body?
[ "Liver", "Heart", "Stomach", "lungs" ]
lungs
Answer the following multiple-choice question. Question: Alveoli can be found in which organ in the human body? Options: A. Liver B. Heart C. Stomach D. lungs Which option is correct and why?
The correct answer is: lungs.
About one-fourth of the blood pumped with each heartbeat enters arteries serving what organs of digestion?
[ "stomach", "bowels", "lungs", "intestines" ]
intestines
Answer the following multiple-choice question. Question: About one-fourth of the blood pumped with each heartbeat enters arteries serving what organs of digestion? Options: A. stomach B. bowels C. lungs D. intestines Which option is correct and why?
The correct answer is: intestines.
The paired bones of the skull are the palatine, zygomatic, nasal, lacrimal, inferior nasal conchae bones, and what else?
[ "minilla", "ventral", "elongated", "maxilla" ]
maxilla
Answer the following multiple-choice question. Question: The paired bones of the skull are the palatine, zygomatic, nasal, lacrimal, inferior nasal conchae bones, and what else? Options: A. minilla B. ventral C. elongated D. maxilla Which option is correct and why?
The correct answer is: maxilla.
Each muscle fiber contains hundreds of organelles called what?
[ "myofibrils", "slow twitch fibres", "pores", "fast glycolytic fibres" ]
myofibrils
Answer the following multiple-choice question. Question: Each muscle fiber contains hundreds of organelles called what? Options: A. myofibrils B. slow twitch fibres C. pores D. fast glycolytic fibres Which option is correct and why?
The correct answer is: myofibrils.
The common cold and flu are examples of human diseases caused by what tiny particles?
[ "parasites", "viruses", "infections", "bacteria" ]
viruses
Answer the following multiple-choice question. Question: The common cold and flu are examples of human diseases caused by what tiny particles? Options: A. parasites B. viruses C. infections D. bacteria Which option is correct and why?
The correct answer is: viruses.
What are the two layers of the skin?
[ "epidermis and dermis", "epithelial and endometrial", "dermis and epithelial", "sebaceous and salivary" ]
epidermis and dermis
Answer the following multiple-choice question. Question: What are the two layers of the skin? Options: A. epidermis and dermis B. epithelial and endometrial C. dermis and epithelial D. sebaceous and salivary Which option is correct and why?
The correct answer is: epidermis and dermis.
Light can be used to eject what from a solid material?
[ "electrons", "calories", "protons", "neutrons" ]
electrons
Answer the following multiple-choice question. Question: Light can be used to eject what from a solid material? Options: A. electrons B. calories C. protons D. neutrons Which option is correct and why?
The correct answer is: electrons.
What element is a biochemical compound based on?
[ "nitrogen", "hydrogen", "oxygen", "carbon" ]
carbon
Answer the following multiple-choice question. Question: What element is a biochemical compound based on? Options: A. nitrogen B. hydrogen C. oxygen D. carbon Which option is correct and why?
The correct answer is: carbon.
The amniotic sac is attached to what?
[ "placenta", "uterus", "Stomach", "Umbilical Cord" ]
placenta
Answer the following multiple-choice question. Question: The amniotic sac is attached to what? Options: A. placenta B. uterus C. Stomach D. Umbilical Cord Which option is correct and why?
The correct answer is: placenta.
Which type of respiration helps organisms generate quick bursts of speed, as opposed to long steady movement?
[ "anaerobic respiration", "insertion respiration", "anabolic respiration", "digestion respiration" ]
anaerobic respiration
Answer the following multiple-choice question. Question: Which type of respiration helps organisms generate quick bursts of speed, as opposed to long steady movement? Options: A. anaerobic respiration B. insertion respiration C. anabolic respiration D. digestion respiration Which option is correct and why?
The correct answer is: anaerobic respiration.
When matter reacts, there can be what that comes from nowhere and is unaccounted for?
[ "bonds", "mass", "combustions", "concentrations" ]
mass
Answer the following multiple-choice question. Question: When matter reacts, there can be what that comes from nowhere and is unaccounted for? Options: A. bonds B. mass C. combustions D. concentrations Which option is correct and why?
The correct answer is: mass.
What is located at about 80 degrees north latitude?
[ "the equator", "india", "alaska", "the north pole" ]
the north pole
Answer the following multiple-choice question. Question: What is located at about 80 degrees north latitude? Options: A. the equator B. india C. alaska D. the north pole Which option is correct and why?
The correct answer is: the north pole.
What is a byproduct from the combustion of fossil fuels like coal and gasoline?
[ "alcohol", "nitrogen dioxide", "carbon monoxide", "aluminum oxide" ]
nitrogen dioxide
Answer the following multiple-choice question. Question: What is a byproduct from the combustion of fossil fuels like coal and gasoline? Options: A. alcohol B. nitrogen dioxide C. carbon monoxide D. aluminum oxide Which option is correct and why?
The correct answer is: nitrogen dioxide.
What can damage animal tissues?
[ "nervous stress", "extreme pressure or temperature", "wind erosion", "acid and water exposure" ]
extreme pressure or temperature
Answer the following multiple-choice question. Question: What can damage animal tissues? Options: A. nervous stress B. extreme pressure or temperature C. wind erosion D. acid and water exposure Which option is correct and why?
The correct answer is: extreme pressure or temperature.
Along with other functions, what do carbohydrates, proteins, and lipids provide for the body?
[ "carbon", "hydrogen", "muscle", "energy" ]
energy
Answer the following multiple-choice question. Question: Along with other functions, what do carbohydrates, proteins, and lipids provide for the body? Options: A. carbon B. hydrogen C. muscle D. energy Which option is correct and why?
The correct answer is: energy.
What system of the body uses amylase and pepsin in its functioning?
[ "hormonal system", "respiratory system", "digestive system", "circulatory system" ]
digestive system
Answer the following multiple-choice question. Question: What system of the body uses amylase and pepsin in its functioning? Options: A. hormonal system B. respiratory system C. digestive system D. circulatory system Which option is correct and why?
The correct answer is: digestive system.
What are genes located on the sex chromosomes called?
[ "diploid genes", "autosomes", "dimorphism - linked genes", "sex-linked genes" ]
sex-linked genes
Answer the following multiple-choice question. Question: What are genes located on the sex chromosomes called? Options: A. diploid genes B. autosomes C. dimorphism - linked genes D. sex-linked genes Which option is correct and why?
The correct answer is: sex-linked genes.
The posterior pituitary releases which hormone, which stimulates uterine contractions during childbirth?
[ "estrogen", "insulin", "oxytocin", "estradiol" ]
oxytocin
Answer the following multiple-choice question. Question: The posterior pituitary releases which hormone, which stimulates uterine contractions during childbirth? Options: A. estrogen B. insulin C. oxytocin D. estradiol Which option is correct and why?
The correct answer is: oxytocin.
What consists mainly of parenchymal cells with chloroplasts?
[ "mesophyll", "periosteum", "chlorophyll", "mitochondria" ]
mesophyll
Answer the following multiple-choice question. Question: What consists mainly of parenchymal cells with chloroplasts? Options: A. mesophyll B. periosteum C. chlorophyll D. mitochondria Which option is correct and why?
The correct answer is: mesophyll.
What is the movement of animals from one place to another?
[ "migration", "trade", "population", "communication" ]
migration
Answer the following multiple-choice question. Question: What is the movement of animals from one place to another? Options: A. migration B. trade C. population D. communication Which option is correct and why?
The correct answer is: migration.
Twin studies have been instrumental in demonstrating what type of component in autism?
[ "internal", "environmental", "bacterial", "natural" ]
environmental
Answer the following multiple-choice question. Question: Twin studies have been instrumental in demonstrating what type of component in autism? Options: A. internal B. environmental C. bacterial D. natural Which option is correct and why?
The correct answer is: environmental.
What is a measure of the size of sound waves?
[ "frequency", "amplitude", "wavelength", "voltage" ]
amplitude
Answer the following multiple-choice question. Question: What is a measure of the size of sound waves? Options: A. frequency B. amplitude C. wavelength D. voltage Which option is correct and why?
The correct answer is: amplitude.
Covalent compounds form individual molecules rather than what?
[ "carbon", "crystals", "chemicals", "atoms" ]
crystals
Answer the following multiple-choice question. Question: Covalent compounds form individual molecules rather than what? Options: A. carbon B. crystals C. chemicals D. atoms Which option is correct and why?
The correct answer is: crystals.
Winds are caused by differences in what?
[ "temperature", "air pressure", "water pressure", "elevation" ]
air pressure
Answer the following multiple-choice question. Question: Winds are caused by differences in what? Options: A. temperature B. air pressure C. water pressure D. elevation Which option is correct and why?
The correct answer is: air pressure.
What is generated when a heart ventricle contracts?
[ "artery pressure", "vein pressure", "blood pressure", "blood force" ]
blood pressure
Answer the following multiple-choice question. Question: What is generated when a heart ventricle contracts? Options: A. artery pressure B. vein pressure C. blood pressure D. blood force Which option is correct and why?
The correct answer is: blood pressure.
What area beneath the earth's surface do magma collects?
[ "hot chambers", "magma chambers", "underneath chambers", "erosion chambers" ]
magma chambers
Answer the following multiple-choice question. Question: What area beneath the earth's surface do magma collects? Options: A. hot chambers B. magma chambers C. underneath chambers D. erosion chambers Which option is correct and why?
The correct answer is: magma chambers.
What develop inside chambers called ovaries, which originate within flowers and mature into fruits?
[ "angiosperm seeds", "pollen seeds", "tomoxia seeds", "trematode seeds" ]
angiosperm seeds
Answer the following multiple-choice question. Question: What develop inside chambers called ovaries, which originate within flowers and mature into fruits? Options: A. angiosperm seeds B. pollen seeds C. tomoxia seeds D. trematode seeds Which option is correct and why?
The correct answer is: angiosperm seeds.
What kind of lakes form when volcanic eruptions create holes that fill with water?
[ "crater lakes", "novel lakes", "artificial lakes", "formation lakes" ]
crater lakes
Answer the following multiple-choice question. Question: What kind of lakes form when volcanic eruptions create holes that fill with water? Options: A. crater lakes B. novel lakes C. artificial lakes D. formation lakes Which option is correct and why?
The correct answer is: crater lakes.
The size of the solute particles determines the rate of what?
[ "extracting", "dissolving", "merging", "solution" ]
dissolving
Answer the following multiple-choice question. Question: The size of the solute particles determines the rate of what? Options: A. extracting B. dissolving C. merging D. solution Which option is correct and why?
The correct answer is: dissolving.
The vas deferens and ejaculatory ducts are part of what system?
[ "female reproductive system", "female adaptive system", "male reproductive system", "male circulatory system" ]
male reproductive system
Answer the following multiple-choice question. Question: The vas deferens and ejaculatory ducts are part of what system? Options: A. female reproductive system B. female adaptive system C. male reproductive system D. male circulatory system Which option is correct and why?
The correct answer is: male reproductive system.
What part of an egg contains the genetic material ?
[ "the nucleus", "the sperm", "the fetus", "here.the nucleus" ]
the nucleus
Answer the following multiple-choice question. Question: What part of an egg contains the genetic material ? Options: A. the nucleus B. the sperm C. the fetus D. here.the nucleus Which option is correct and why?
The correct answer is: the nucleus.
Bees and other wild animals perform what function on flowering plants, making them vital for crop reproduction?
[ "irrigation", "pesticide", "fertilizer", "pollenation" ]
pollenation
Answer the following multiple-choice question. Question: Bees and other wild animals perform what function on flowering plants, making them vital for crop reproduction? Options: A. irrigation B. pesticide C. fertilizer D. pollenation Which option is correct and why?
The correct answer is: pollenation.
What does the sebaceous gland secrete which waterproofs the skin and hair?
[ "progesterone", "sebum", "pus", "collagen" ]
sebum
Answer the following multiple-choice question. Question: What does the sebaceous gland secrete which waterproofs the skin and hair? Options: A. progesterone B. sebum C. pus D. collagen Which option is correct and why?
The correct answer is: sebum.
What water is about 3.5% salt?
[ "spring water", "glacial water", "fresh water", "seawater" ]
seawater
Answer the following multiple-choice question. Question: What water is about 3.5% salt? Options: A. spring water B. glacial water C. fresh water D. seawater Which option is correct and why?
The correct answer is: seawater.
Catabolic and anabolic hormones in the body help regulate these?
[ "hormone levels", "brain signals", "nutrient levels", "metabolic processes" ]
metabolic processes
Answer the following multiple-choice question. Question: Catabolic and anabolic hormones in the body help regulate these? Options: A. hormone levels B. brain signals C. nutrient levels D. metabolic processes Which option is correct and why?
The correct answer is: metabolic processes.
Food chains and what describe the transfer of energy within an ecosystem, from one organism to another?
[ "food webs", "fuel webs", "the webs", "spider webs" ]
food webs
Answer the following multiple-choice question. Question: Food chains and what describe the transfer of energy within an ecosystem, from one organism to another? Options: A. food webs B. fuel webs C. the webs D. spider webs Which option is correct and why?
The correct answer is: food webs.
The type of eruption a volcano has depends on the type of what in its chamber?
[ "cavity", "core", "magma", "funnel" ]
magma
Answer the following multiple-choice question. Question: The type of eruption a volcano has depends on the type of what in its chamber? Options: A. cavity B. core C. magma D. funnel Which option is correct and why?
The correct answer is: magma.
What organ has four ventricles, all of which developed from the original hollow space within the neural tube?
[ "heart", "bladder", "brain", "liver" ]
brain
Answer the following multiple-choice question. Question: What organ has four ventricles, all of which developed from the original hollow space within the neural tube? Options: A. heart B. bladder C. brain D. liver Which option is correct and why?
The correct answer is: brain.
The cell theory and the theory of evolution by natural selection are basic to all fields in what branch of science?
[ "chemistry", "zoology", "rock science", "life science" ]
life science
Answer the following multiple-choice question. Question: The cell theory and the theory of evolution by natural selection are basic to all fields in what branch of science? Options: A. chemistry B. zoology C. rock science D. life science Which option is correct and why?
The correct answer is: life science.
How many types of antigens can an antibody match?
[ "infinite", "two", "four", "one" ]
one
Answer the following multiple-choice question. Question: How many types of antigens can an antibody match? Options: A. infinite B. two C. four D. one Which option is correct and why?
The correct answer is: one.
What do drugs that alleviate symptoms of schizophrenia block?
[ "ephedrine receptors", "dopamine receptors", "histamine receptors", "adrenaline receptors" ]
dopamine receptors
Answer the following multiple-choice question. Question: What do drugs that alleviate symptoms of schizophrenia block? Options: A. ephedrine receptors B. dopamine receptors C. histamine receptors D. adrenaline receptors Which option is correct and why?
The correct answer is: dopamine receptors.
What destroys the filtered pathogens?
[ "neutrophils", "lymphocytes", "antibodies", "parasites" ]
lymphocytes
Answer the following multiple-choice question. Question: What destroys the filtered pathogens? Options: A. neutrophils B. lymphocytes C. antibodies D. parasites Which option is correct and why?
The correct answer is: lymphocytes.
A device that produces a very focused beam of visible light of just one wavelength and color is called?
[ "prism", "laser", "mirror", "microwave" ]
laser
Answer the following multiple-choice question. Question: A device that produces a very focused beam of visible light of just one wavelength and color is called? Options: A. prism B. laser C. mirror D. microwave Which option is correct and why?
The correct answer is: laser.
The second step in eukaryotic cell division is division of which part of the cell?
[ "protons", "molecules", "Cell Division", "nucleus" ]
nucleus
Answer the following multiple-choice question. Question: The second step in eukaryotic cell division is division of which part of the cell? Options: A. protons B. molecules C. Cell Division D. nucleus Which option is correct and why?
The correct answer is: nucleus.
Approximately how many galaxies are there in the universe?
[ "an octillion", "an infinite number", "a trillion", "about a hundred billion" ]
about a hundred billion
Answer the following multiple-choice question. Question: Approximately how many galaxies are there in the universe? Options: A. an octillion B. an infinite number C. a trillion D. about a hundred billion Which option is correct and why?
The correct answer is: about a hundred billion.
What theory of evolution is charles darwin most known for?
[ "natural selection", "natural variety", "natural change", "immoral selection" ]
natural selection
Answer the following multiple-choice question. Question: What theory of evolution is charles darwin most known for? Options: A. natural selection B. natural variety C. natural change D. immoral selection Which option is correct and why?
The correct answer is: natural selection.
What organ system is different in men and women?
[ "nervous organs", "respratory organs", "reproductive organs", "lymphatic organs" ]
reproductive organs
Answer the following multiple-choice question. Question: What organ system is different in men and women? Options: A. nervous organs B. respratory organs C. reproductive organs D. lymphatic organs Which option is correct and why?
The correct answer is: reproductive organs.
Why do effusive eruptions rarely kill anyone?
[ "They are low temperature", "They occur rarely", "they move slowly", "They are minor" ]
they move slowly
Answer the following multiple-choice question. Question: Why do effusive eruptions rarely kill anyone? Options: A. They are low temperature B. They occur rarely C. they move slowly D. They are minor Which option is correct and why?
The correct answer is: they move slowly.
What are hot fragments of rock called?
[ "magma", "shards", "pyroclasts", "obsidian" ]
pyroclasts
Answer the following multiple-choice question. Question: What are hot fragments of rock called? Options: A. magma B. shards C. pyroclasts D. obsidian Which option is correct and why?
The correct answer is: pyroclasts.
Unevenness or asymmetry in the focus of the eye describes what visual defect?
[ "hyperopia", "myopia", "presbyopia", "astigmatism" ]
astigmatism
Answer the following multiple-choice question. Question: Unevenness or asymmetry in the focus of the eye describes what visual defect? Options: A. hyperopia B. myopia C. presbyopia D. astigmatism Which option is correct and why?
The correct answer is: astigmatism.
The addition of electron gives the halide ions the same electron configuration as what gas?
[ "a fatty gas", "a noble gas", "an inert gas", "a flammable gas" ]
a noble gas
Answer the following multiple-choice question. Question: The addition of electron gives the halide ions the same electron configuration as what gas? Options: A. a fatty gas B. a noble gas C. an inert gas D. a flammable gas Which option is correct and why?
The correct answer is: a noble gas.
Partially decayed remains of plants and animals form the organic portion of what?
[ "nutrients", "soil", "minerals", "grasses" ]
soil
Answer the following multiple-choice question. Question: Partially decayed remains of plants and animals form the organic portion of what? Options: A. nutrients B. soil C. minerals D. grasses Which option is correct and why?
The correct answer is: soil.
Where is the most significant connection between the cerebellum and the rest of the brain?
[ "at the pons", "at the medulla oblongata", "at the meninges", "at the cerebrum" ]
at the pons
Answer the following multiple-choice question. Question: Where is the most significant connection between the cerebellum and the rest of the brain? Options: A. at the pons B. at the medulla oblongata C. at the meninges D. at the cerebrum Which option is correct and why?
The correct answer is: at the pons.
What do you call the daily changes in the level of ocean water?
[ "waves", "shores", "currents", "tides" ]
tides
Answer the following multiple-choice question. Question: What do you call the daily changes in the level of ocean water? Options: A. waves B. shores C. currents D. tides Which option is correct and why?
The correct answer is: tides.
What are the specialized building blocks of your body?
[ "tissues", "cells", "proteins", "muscles" ]
cells
Answer the following multiple-choice question. Question: What are the specialized building blocks of your body? Options: A. tissues B. cells C. proteins D. muscles Which option is correct and why?
The correct answer is: cells.
What do plants make to store extra glucose?
[ "fats", "sugars", "water", "starches" ]
starches
Answer the following multiple-choice question. Question: What do plants make to store extra glucose? Options: A. fats B. sugars C. water D. starches Which option is correct and why?
The correct answer is: starches.
Sand dunes migrate when sand is blown up a slope and this force pulls it down the other side?
[ "air pressure", "gravity", "spin", "earthquakes" ]
gravity
Answer the following multiple-choice question. Question: Sand dunes migrate when sand is blown up a slope and this force pulls it down the other side? Options: A. air pressure B. gravity C. spin D. earthquakes Which option is correct and why?
The correct answer is: gravity.
Inside each lymph node is a honeycomb of connective tissue with spaces filled by what?
[ "red blood cells", "white blood cells", "hemoglobin", "platelets" ]
white blood cells
Answer the following multiple-choice question. Question: Inside each lymph node is a honeycomb of connective tissue with spaces filled by what? Options: A. red blood cells B. white blood cells C. hemoglobin D. platelets Which option is correct and why?
The correct answer is: white blood cells.
What "apparatus" is responsible for sorting, modifying, and shipping off the products that come from the rough endoplasmic reticulum?
[ "golgi apparatus", "plasma apparatus", "secretion apparatus", "receptor apparatus" ]
golgi apparatus
Answer the following multiple-choice question. Question: What "apparatus" is responsible for sorting, modifying, and shipping off the products that come from the rough endoplasmic reticulum? Options: A. golgi apparatus B. plasma apparatus C. secretion apparatus D. receptor apparatus Which option is correct and why?
The correct answer is: golgi apparatus.
When two haploid gametes unite during fertilization they form what?
[ "haploid cell", "a diploid cell", "a mutated cell", "a fertilized cell" ]
a diploid cell
Answer the following multiple-choice question. Question: When two haploid gametes unite during fertilization they form what? Options: A. haploid cell B. a diploid cell C. a mutated cell D. a fertilized cell Which option is correct and why?
The correct answer is: a diploid cell.
What kind of phenotype results in a case of incomplete dominance?
[ "intermediate phenotype", "backward phenotype", "long phenotype", "short phenotype" ]
intermediate phenotype
Answer the following multiple-choice question. Question: What kind of phenotype results in a case of incomplete dominance? Options: A. intermediate phenotype B. backward phenotype C. long phenotype D. short phenotype Which option is correct and why?
The correct answer is: intermediate phenotype.
Chloroplasts, chromoplasts, and leucoplasts are all plastids, organelles found in what kind of cells?
[ "lung cells", "animal cells", "heart cells", "plant cells" ]
plant cells
Answer the following multiple-choice question. Question: Chloroplasts, chromoplasts, and leucoplasts are all plastids, organelles found in what kind of cells? Options: A. lung cells B. animal cells C. heart cells D. plant cells Which option is correct and why?
The correct answer is: plant cells.
What is the attraction of a particular atom for the electrons of a covalent bond called?
[ "conductivity", "ionization", "electronegativity", "electromagnetism" ]
electronegativity
Answer the following multiple-choice question. Question: What is the attraction of a particular atom for the electrons of a covalent bond called? Options: A. conductivity B. ionization C. electronegativity D. electromagnetism Which option is correct and why?
The correct answer is: electronegativity.
How many continents do birds breed on?
[ "4", "3", "2", "7" ]
7
Answer the following multiple-choice question. Question: How many continents do birds breed on? Options: A. 4 B. 3 C. 2 D. 7 Which option is correct and why?
The correct answer is: 7.
Dna consists of how many long chains of nucleotides?
[ "zero", "two", "one", "three" ]
two
Answer the following multiple-choice question. Question: Dna consists of how many long chains of nucleotides? Options: A. zero B. two C. one D. three Which option is correct and why?
The correct answer is: two.
What is the transition from liquid to gas is called?
[ "condensing", "freezing", "melting", "boiling" ]
boiling
Answer the following multiple-choice question. Question: What is the transition from liquid to gas is called? Options: A. condensing B. freezing C. melting D. boiling Which option is correct and why?
The correct answer is: boiling.
What is inside the plasma membrane of a prokaryotic cell?
[ "electron", "cytoplasm", "alkaline", "protoplasm" ]
cytoplasm
Answer the following multiple-choice question. Question: What is inside the plasma membrane of a prokaryotic cell? Options: A. electron B. cytoplasm C. alkaline D. protoplasm Which option is correct and why?
The correct answer is: cytoplasm.
When the helium is gone, the stars become what?
[ "red giants", "comets", "white dwarfs", "yellow dwarfs" ]
white dwarfs
Answer the following multiple-choice question. Question: When the helium is gone, the stars become what? Options: A. red giants B. comets C. white dwarfs D. yellow dwarfs Which option is correct and why?
The correct answer is: white dwarfs.
What is the change of state from a solid to a gas without passing through the liquid state?
[ "sublimation", "vaporization", "speciation", "neutralization" ]
sublimation
Answer the following multiple-choice question. Question: What is the change of state from a solid to a gas without passing through the liquid state? Options: A. sublimation B. vaporization C. speciation D. neutralization Which option is correct and why?
The correct answer is: sublimation.
What type of cells are gametes?
[ "reproductive", "cardiac", "proteins", "immune" ]
reproductive
Answer the following multiple-choice question. Question: What type of cells are gametes? Options: A. reproductive B. cardiac C. proteins D. immune Which option is correct and why?
The correct answer is: reproductive.
What is the touch response in plants called?
[ "pollenation", "phototropism", "thigmotropism", "sensitivity" ]
thigmotropism
Answer the following multiple-choice question. Question: What is the touch response in plants called? Options: A. pollenation B. phototropism C. thigmotropism D. sensitivity Which option is correct and why?
The correct answer is: thigmotropism.
Humans have an estimated 20,000 to 22,000 of what units of heredity?
[ "chromosomes", "eggs", "cells", "genes" ]
genes
Answer the following multiple-choice question. Question: Humans have an estimated 20,000 to 22,000 of what units of heredity? Options: A. chromosomes B. eggs C. cells D. genes Which option is correct and why?
The correct answer is: genes.