ellendagher/MNLP_M2_mcqa_dataset_lighteval_cleaned

question stringlengths 4 399	choices listlengths 4 8	correct_answer stringlengths 1 116	prompt stringlengths 146 739	completion stringlengths 25 140	answer stringclasses 5 values
When do female reproductive organs mature?	[ "at birth", "at puberty", "periomenopause", "at menopause" ]	at puberty	Answer the following multiple-choice question. Question: When do female reproductive organs mature? Options: A. at birth B. at puberty C. periomenopause D. at menopause Which option is correct and why?	The correct answer is: at puberty.	B
Building which of the following would cause an animal exodus from the region?	[ "a conservatory", "a park", "a car dealership", "a forest" ]	a car dealership	Answer the following multiple-choice question. Question: Building which of the following would cause an animal exodus from the region? Options: A. a conservatory B. a park C. a car dealership D. a forest Which option is correct and why?	The correct answer is: a car dealership.	C
What process does water undergo to leave behind dissolved substances?	[ "oxidation", "accumulation", "evaporation", "ascension" ]	evaporation	Answer the following multiple-choice question. Question: What process does water undergo to leave behind dissolved substances? Options: A. oxidation B. accumulation C. evaporation D. ascension Which option is correct and why?	The correct answer is: evaporation.	C
What can create toxic fumes?	[ "cigarettes", "High temperatures.", "smoking tobacco", "harmful substances", "fossil fuels", "chlorofluorocarbons", "Pesticides", "chemical reaction" ]	High temperatures.	Answer the following multiple-choice question. Question: What can create toxic fumes? Options: A. cigarettes B. High temperatures. C. smoking tobacco D. harmful substances E. fossil fuels F. chlorofluorocarbons G. Pesticides H. chemical reaction Which option is correct and why?	The correct answer is: High temperatures..	B
What is responsible for the foul smell of rancid butt?	[ "Fatty Acid", "butyric acid", "affixed acid", "ibogaine acid" ]	butyric acid	Answer the following multiple-choice question. Question: What is responsible for the foul smell of rancid butt? Options: A. Fatty Acid B. butyric acid C. affixed acid D. ibogaine acid Which option is correct and why?	The correct answer is: butyric acid.	B
What is oil likely comprised of?	[ "homo sapiens", "air", "soil", "brontosaurus" ]	brontosaurus	Answer the following multiple-choice question. Question: What is oil likely comprised of? Options: A. homo sapiens B. air C. soil D. brontosaurus Which option is correct and why?	The correct answer is: brontosaurus.	D
which of these usually occur over the shortest period?	[ "a super size earthquake", "a torrential rain fall", "all of these", "the eruption of a volcano" ]	a super size earthquake	Answer the following multiple-choice question. Question: which of these usually occur over the shortest period? Options: A. a super size earthquake B. a torrential rain fall C. all of these D. the eruption of a volcano Which option is correct and why?	The correct answer is: a super size earthquake.	A
Which gas do people exhale during each breath?	[ "oxygen", "carbon dioxide", "carbon monoxide", "nitrogen" ]	carbon dioxide	Answer the following multiple-choice question. Question: Which gas do people exhale during each breath? Options: A. oxygen B. carbon dioxide C. carbon monoxide D. nitrogen Which option is correct and why?	The correct answer is: carbon dioxide.	B
Gravity pulling objects is gives an object what measurement?	[ "speed", "TRH", "Energy.", "energy", "Force", "Weight", "Light", "Density" ]	Weight	Answer the following multiple-choice question. Question: Gravity pulling objects is gives an object what measurement? Options: A. speed B. TRH C. Energy. D. energy E. Force F. Weight G. Light H. Density Which option is correct and why?	The correct answer is: Weight.	A
Two ships grazing each other as they pass will	[ "cause mayhem", "sink them", "speed them up", "slow them down" ]	slow them down	Answer the following multiple-choice question. Question: Two ships grazing each other as they pass will Options: A. cause mayhem B. sink them C. speed them up D. slow them down Which option is correct and why?	The correct answer is: slow them down.	D
Which area would be brightest, if you woke up there?	[ "rainy environments", "underwater environments", "forest areas", "frozen areas" ]	frozen areas	Answer the following multiple-choice question. Question: Which area would be brightest, if you woke up there? Options: A. rainy environments B. underwater environments C. forest areas D. frozen areas Which option is correct and why?	The correct answer is: frozen areas.	D
The laws of what field of science apply to galaxies and atoms, an indication of the underlying unity in the universe?	[ "physics", "geology", "astronomy", "anthropology" ]	physics	Answer the following multiple-choice question. Question: The laws of what field of science apply to galaxies and atoms, an indication of the underlying unity in the universe? Options: A. physics B. geology C. astronomy D. anthropology Which option is correct and why?	The correct answer is: physics.	A
what do some insects use their antennae to detect?	[ "members of their own species", "spiders", "heat and light", "an area swollen with pus", "compressional waves", "density", "h2o", "electromagnetic energy" ]	compressional waves	Answer the following multiple-choice question. Question: what do some insects use their antennae to detect? Options: A. members of their own species B. spiders C. heat and light D. an area swollen with pus E. compressional waves F. density G. h2o H. electromagnetic energy Which option is correct and why?	The correct answer is: compressional waves.	E
Pakicetus and rodhocetus are considered to be ancestors of modern what?	[ "rodents", "whales", "primates", "hominins" ]	whales	Answer the following multiple-choice question. Question: Pakicetus and rodhocetus are considered to be ancestors of modern what? Options: A. rodents B. whales C. primates D. hominins Which option is correct and why?	The correct answer is: whales.	B
When the air temperature reaches the dew point, water vapor starts to do what?	[ "dissipate", "condense", "evaporate", "germinate" ]	condense	Answer the following multiple-choice question. Question: When the air temperature reaches the dew point, water vapor starts to do what? Options: A. dissipate B. condense C. evaporate D. germinate Which option is correct and why?	The correct answer is: condense.	B
What is used to move people across an ocean?	[ "A wagon", "A wave", "energy", "wind", "oil", "dolphins", "A ship", "A catapult" ]	A ship	Answer the following multiple-choice question. Question: What is used to move people across an ocean? Options: A. A wagon B. A wave C. energy D. wind E. oil F. dolphins G. A ship H. A catapult Which option is correct and why?	The correct answer is: A ship.	A
What mechanism do plants use to produce offspring?	[ "competition", "by indirect light", "circulatory systems", "seed dispersal", "genetic material", "In chromosomes", "mutations", "Organic compounds" ]	seed dispersal	Answer the following multiple-choice question. Question: What mechanism do plants use to produce offspring? Options: A. competition B. by indirect light C. circulatory systems D. seed dispersal E. genetic material F. In chromosomes G. mutations H. Organic compounds Which option is correct and why?	The correct answer is: seed dispersal.	D
What device is an electrochemical cell or series of cells that produces an electric current?	[ "battery", "reactor", "magnet", "generator" ]	battery	Answer the following multiple-choice question. Question: What device is an electrochemical cell or series of cells that produces an electric current? Options: A. battery B. reactor C. magnet D. generator Which option is correct and why?	The correct answer is: battery.	A
Gametes are often required for reproduction in:	[ "insects", "coral", "Jellyfish", "squids", "courtship", "Frogs", "plants", "DNA" ]	plants	Answer the following multiple-choice question. Question: Gametes are often required for reproduction in: Options: A. insects B. coral C. Jellyfish D. squids E. courtship F. Frogs G. plants H. DNA Which option is correct and why?	The correct answer is: plants.	A
Where does a baby travel to after leaving the uterus?	[ "tissue canal", "nasal canal", "birth canal", "ear canal" ]	birth canal	Answer the following multiple-choice question. Question: Where does a baby travel to after leaving the uterus? Options: A. tissue canal B. nasal canal C. birth canal D. ear canal Which option is correct and why?	The correct answer is: birth canal.	C
What cell structures capture light energy from the sun and use it with water and carbon dioxide to produce sugars for food?	[ "chloroplasts", "fibroblasts", "nuclei", "ribosomes" ]	chloroplasts	Answer the following multiple-choice question. Question: What cell structures capture light energy from the sun and use it with water and carbon dioxide to produce sugars for food? Options: A. chloroplasts B. fibroblasts C. nuclei D. ribosomes Which option is correct and why?	The correct answer is: chloroplasts.	A
What does food help a living thing do?	[ "Regrows it", "growth", "health", "stay warm", "Survive", "Reproduce", "Walk", "Hunt" ]	Survive	Answer the following multiple-choice question. Question: What does food help a living thing do? Options: A. Regrows it B. growth C. health D. stay warm E. Survive F. Reproduce G. Walk H. Hunt Which option is correct and why?	The correct answer is: Survive.	E
An animal needs another animal to	[ "fly", "eat", "eliminate waste", "pass genetic information" ]	pass genetic information	Answer the following multiple-choice question. Question: An animal needs another animal to Options: A. fly B. eat C. eliminate waste D. pass genetic information Which option is correct and why?	The correct answer is: pass genetic information.	D
What can genes do?	[ "Give a young goat hair that looks like its mother's hair", "Make a baby chubby", "Make a horse break its leg", "Attack viruses and bacteria" ]	Give a young goat hair that looks like its mother's hair	Answer the following multiple-choice question. Question: What can genes do? Options: A. Give a young goat hair that looks like its mother's hair B. Make a baby chubby C. Make a horse break its leg D. Attack viruses and bacteria Which option is correct and why?	The correct answer is: Give a young goat hair that looks like its mother's hair.	A
What is the most widely accepted theory explaining how muscle fibers contract?	[ "sliding tritium theory", "sliding pigment theoery", "sliding filament theory", "sliding carbon theory" ]	sliding filament theory	Answer the following multiple-choice question. Question: What is the most widely accepted theory explaining how muscle fibers contract? Options: A. sliding tritium theory B. sliding pigment theoery C. sliding filament theory D. sliding carbon theory Which option is correct and why?	The correct answer is: sliding filament theory.	C
The changing of a light ray’s direction (loosely called bending) when it passes through variations in matter is called this?	[ "vibration", "refraction", "wavelength", "resonance" ]	refraction	Answer the following multiple-choice question. Question: The changing of a light ray’s direction (loosely called bending) when it passes through variations in matter is called this? Options: A. vibration B. refraction C. wavelength D. resonance Which option is correct and why?	The correct answer is: refraction.	B
Cells like a prokaryotic cell, a eukaryotic cell has a plasma membrane, cytoplasm, and ribosomes, but a eukaryotic cell is typically larger than a prokaryotic cell, has a true nucleus (meaning its dna is surrounded by a membrane), and has other membrane-bound organelles that allow for what?	[ "compartmentalization of functions", "replicating of functions", "misuse of functions", "scrobipalpa of functions" ]	compartmentalization of functions	Answer the following multiple-choice question. Question: Cells like a prokaryotic cell, a eukaryotic cell has a plasma membrane, cytoplasm, and ribosomes, but a eukaryotic cell is typically larger than a prokaryotic cell, has a true nucleus (meaning its dna is surrounded by a membrane), and has other membrane-bound organelles that allow for what? Options: A. compartmentalization of functions B. replicating of functions C. misuse of functions D. scrobipalpa of functions Which option is correct and why?	The correct answer is: compartmentalization of functions.	A
What is a group of lions called?	[ "bevy", "pride", "coven", "herd" ]	pride	Answer the following multiple-choice question. Question: What is a group of lions called? Options: A. bevy B. pride C. coven D. herd Which option is correct and why?	The correct answer is: pride.	B
One of the most advanced uses of what in medicine is the positron emission tomography scanner, which detects the activity in the body of a very small injection of radioactive glucose?	[ "membranes", "quarks", "radioisotopes", "radionuclides" ]	radioisotopes	Answer the following multiple-choice question. Question: One of the most advanced uses of what in medicine is the positron emission tomography scanner, which detects the activity in the body of a very small injection of radioactive glucose? Options: A. membranes B. quarks C. radioisotopes D. radionuclides Which option is correct and why?	The correct answer is: radioisotopes.	C
What will happen to a badge in the sun?	[ "body temperature reduces", "Warm air moving into cold air", "reflecting light", "They may not survive.", "heat is produced", "depress neuronal excitability", "it will absorb solar energy", "It gets heated up" ]	it will absorb solar energy	Answer the following multiple-choice question. Question: What will happen to a badge in the sun? Options: A. body temperature reduces B. Warm air moving into cold air C. reflecting light D. They may not survive. E. heat is produced F. depress neuronal excitability G. it will absorb solar energy H. It gets heated up Which option is correct and why?	The correct answer is: it will absorb solar energy.	A
Glacier melt	[ "is an effect of too many polar bears", "is an effect of an abundance of CO2 in the environment", "is an effect of deforestation", "is an effect of oxygen saturation" ]	is an effect of an abundance of CO2 in the environment	Answer the following multiple-choice question. Question: Glacier melt Options: A. is an effect of too many polar bears B. is an effect of an abundance of CO2 in the environment C. is an effect of deforestation D. is an effect of oxygen saturation Which option is correct and why?	The correct answer is: is an effect of an abundance of CO2 in the environment.	B
deserts are known for having what type of climates?	[ "scorching", "comfortable", "average temps", "lush" ]	scorching	Answer the following multiple-choice question. Question: deserts are known for having what type of climates? Options: A. scorching B. comfortable C. average temps D. lush Which option is correct and why?	The correct answer is: scorching.	A
What is the name of the sugar that plants produce to be used as food?	[ "chlorophyll", "glucose", "glucosamine", "insulin" ]	glucose	Answer the following multiple-choice question. Question: What is the name of the sugar that plants produce to be used as food? Options: A. chlorophyll B. glucose C. glucosamine D. insulin Which option is correct and why?	The correct answer is: glucose.	B
A genetic molecule is called dna, which stands for this?	[ "deoxyribonucleic acid", "dark nitrogen amine", "di-nitrous ammonia", "dense ribonucleic acid" ]	deoxyribonucleic acid	Answer the following multiple-choice question. Question: A genetic molecule is called dna, which stands for this? Options: A. deoxyribonucleic acid B. dark nitrogen amine C. di-nitrous ammonia D. dense ribonucleic acid Which option is correct and why?	The correct answer is: deoxyribonucleic acid.	A
What kind of structure do purines have?	[ "double ring structure", "triple ring structure", "single ring structure", "helical stucture" ]	double ring structure	Answer the following multiple-choice question. Question: What kind of structure do purines have? Options: A. double ring structure B. triple ring structure C. single ring structure D. helical stucture Which option is correct and why?	The correct answer is: double ring structure.	A
Some of these creatures with fluffy butts live in grassy areas	[ "snakes", "doe", "scorpions", "turtles" ]	doe	Answer the following multiple-choice question. Question: Some of these creatures with fluffy butts live in grassy areas Options: A. snakes B. doe C. scorpions D. turtles Which option is correct and why?	The correct answer is: doe.	B
What does condensation cause?	[ "water", "emptiness", "sandstorms", "guilt", "heat", "rain", "gas", "H20" ]	rain	Answer the following multiple-choice question. Question: What does condensation cause? Options: A. water B. emptiness C. sandstorms D. guilt E. heat F. rain G. gas H. H20 Which option is correct and why?	The correct answer is: rain.	A
What can happen spontaneously or as a result of mutagens in the environment?	[ "mutations", "combustion", "traits", "lesions" ]	mutations	Answer the following multiple-choice question. Question: What can happen spontaneously or as a result of mutagens in the environment? Options: A. mutations B. combustion C. traits D. lesions Which option is correct and why?	The correct answer is: mutations.	A
What can cause an aneurysm?	[ "smoking", "infection", "bacteria", "viruses", "Pollution", "steroids", "influenza", "rays or beams" ]	infection	Answer the following multiple-choice question. Question: What can cause an aneurysm? Options: A. smoking B. infection C. bacteria D. viruses E. Pollution F. steroids G. influenza H. rays or beams Which option is correct and why?	The correct answer is: infection.	B
In what unit is frequency measured in?	[ "gram", "hertz", "centimeter", "mole" ]	hertz	Answer the following multiple-choice question. Question: In what unit is frequency measured in? Options: A. gram B. hertz C. centimeter D. mole Which option is correct and why?	The correct answer is: hertz.	B
The types of white blood cells that arrive at an inflamed site depend on the nature of what?	[ "skin color", "blood type", "genes", "injury or infection" ]	injury or infection	Answer the following multiple-choice question. Question: The types of white blood cells that arrive at an inflamed site depend on the nature of what? Options: A. skin color B. blood type C. genes D. injury or infection Which option is correct and why?	The correct answer is: injury or infection.	D
If a sunbeam shoots through a rainstorm,	[ "hues show up", "fields are burned", "trees blow up", "mice grow up" ]	hues show up	Answer the following multiple-choice question. Question: If a sunbeam shoots through a rainstorm, Options: A. hues show up B. fields are burned C. trees blow up D. mice grow up Which option is correct and why?	The correct answer is: hues show up.	A
If a weed is pulled then the weed is what?	[ "fruitful", "terminated", "functioning", "ugly" ]	terminated	Answer the following multiple-choice question. Question: If a weed is pulled then the weed is what? Options: A. fruitful B. terminated C. functioning D. ugly Which option is correct and why?	The correct answer is: terminated.	B
if a cloud deposits its contents to the earth, which of these may be true?	[ "the moon will shine brighter", "the open fair will be a success", "the river will dry up", "the farmers would rejoice" ]	the farmers would rejoice	Answer the following multiple-choice question. Question: if a cloud deposits its contents to the earth, which of these may be true? Options: A. the moon will shine brighter B. the open fair will be a success C. the river will dry up D. the farmers would rejoice Which option is correct and why?	The correct answer is: the farmers would rejoice.	D
A plant that forms special tissues for storing water in an arid climate is an example of the plant evolving what?	[ "additions", "divergence", "adaptations", "consciousness" ]	adaptations	Answer the following multiple-choice question. Question: A plant that forms special tissues for storing water in an arid climate is an example of the plant evolving what? Options: A. additions B. divergence C. adaptations D. consciousness Which option is correct and why?	The correct answer is: adaptations.	C
Ash that enters the air naturally as a result of a volcano eruption is classified as what kind of pollutant?	[ "secondary pollutant", "thick pollutant", "natural pollutant", "primary pollutant" ]	primary pollutant	Answer the following multiple-choice question. Question: Ash that enters the air naturally as a result of a volcano eruption is classified as what kind of pollutant? Options: A. secondary pollutant B. thick pollutant C. natural pollutant D. primary pollutant Which option is correct and why?	The correct answer is: primary pollutant.	D
What is the number placed in front of a chemical symbol or formula that shows how many atoms or molecules of the substance are involved in the reaction?	[ "frequency", "note", "coefficient", "requirement" ]	coefficient	Answer the following multiple-choice question. Question: What is the number placed in front of a chemical symbol or formula that shows how many atoms or molecules of the substance are involved in the reaction? Options: A. frequency B. note C. coefficient D. requirement Which option is correct and why?	The correct answer is: coefficient.	C
Unlike plants, animal species rely almost exclusively on what type of reproduction?	[ "sexual reproduction", "multiplication", "regeneration", "pollination" ]	sexual reproduction	Answer the following multiple-choice question. Question: Unlike plants, animal species rely almost exclusively on what type of reproduction? Options: A. sexual reproduction B. multiplication C. regeneration D. pollination Which option is correct and why?	The correct answer is: sexual reproduction.	A
What property of toluene and xylene makes them important in the chemical industry?	[ "excess property", "isolate property", "solvent property", "corrosive property" ]	solvent property	Answer the following multiple-choice question. Question: What property of toluene and xylene makes them important in the chemical industry? Options: A. excess property B. isolate property C. solvent property D. corrosive property Which option is correct and why?	The correct answer is: solvent property.	C
What is the term for matter that does not let any light pass through it, whether it absorbs light, reflects light, or does both?	[ "artificial", "devoid", "obscene", "opaque" ]	opaque	Answer the following multiple-choice question. Question: What is the term for matter that does not let any light pass through it, whether it absorbs light, reflects light, or does both? Options: A. artificial B. devoid C. obscene D. opaque Which option is correct and why?	The correct answer is: opaque.	D
condensation is a stage in what cycle process?	[ "h2o", "space", "solar", "fire" ]	h2o	Answer the following multiple-choice question. Question: condensation is a stage in what cycle process? Options: A. h2o B. space C. solar D. fire Which option is correct and why?	The correct answer is: h2o.	A
The lungs are a series of ever-narrowing tubes that end in a myriad of tiny sacs called what?	[ "testes", "alveoli", "brachii", "glands" ]	alveoli	Answer the following multiple-choice question. Question: The lungs are a series of ever-narrowing tubes that end in a myriad of tiny sacs called what? Options: A. testes B. alveoli C. brachii D. glands Which option is correct and why?	The correct answer is: alveoli.	B
What age group can intend to cause harm and pain?	[ "if humans disturb bears", "Adults only", "Children only", "barks and snarls", "Neither", "resistance activities", "Both children and adults", "destroying trees" ]	Both children and adults	Answer the following multiple-choice question. Question: What age group can intend to cause harm and pain? Options: A. if humans disturb bears B. Adults only C. Children only D. barks and snarls E. Neither F. resistance activities G. Both children and adults H. destroying trees Which option is correct and why?	The correct answer is: Both children and adults.	A
What can cause phase changes?	[ "sweating", "constant temperatures", "heat or cold", "global warming", "observation", "climate", "scattered light", "nothing" ]	heat or cold	Answer the following multiple-choice question. Question: What can cause phase changes? Options: A. sweating B. constant temperatures C. heat or cold D. global warming E. observation F. climate G. scattered light H. nothing Which option is correct and why?	The correct answer is: heat or cold.	C
Every chemical reaction between molecules involves breaking and forming of what?	[ "atomic pathways", "bonds", "orbits", "ions" ]	bonds	Answer the following multiple-choice question. Question: Every chemical reaction between molecules involves breaking and forming of what? Options: A. atomic pathways B. bonds C. orbits D. ions Which option is correct and why?	The correct answer is: bonds.	B
What affects all plants and animals as the Earth revolves around the sun?	[ "starlight", "cool breezes", "global warming", "electromagnetic energy", "moisture levels", "fossil fuels", "temperature", "weather changes" ]	weather changes	Answer the following multiple-choice question. Question: What affects all plants and animals as the Earth revolves around the sun? Options: A. starlight B. cool breezes C. global warming D. electromagnetic energy E. moisture levels F. fossil fuels G. temperature H. weather changes Which option is correct and why?	The correct answer is: weather changes.	A
The melting point of a duck would be	[ "higher than the body temps", "lower than a refrigerator", "higher than the sun's", "lower than a freezer's" ]	higher than the body temps	Answer the following multiple-choice question. Question: The melting point of a duck would be Options: A. higher than the body temps B. lower than a refrigerator C. higher than the sun's D. lower than a freezer's Which option is correct and why?	The correct answer is: higher than the body temps.	A
A bird that weighs twenty pounds will fly easier than a bird that weighs	[ "twenty four pounds", "ten pounds", "seventeen pounds", "twelve pounds" ]	twenty four pounds	Answer the following multiple-choice question. Question: A bird that weighs twenty pounds will fly easier than a bird that weighs Options: A. twenty four pounds B. ten pounds C. seventeen pounds D. twelve pounds Which option is correct and why?	The correct answer is: twenty four pounds.	A
What is the nervous tissue in the brain and in the rest of the nervous system made up of?	[ "electrons", "ions", "plastic", "neurons" ]	neurons	Answer the following multiple-choice question. Question: What is the nervous tissue in the brain and in the rest of the nervous system made up of? Options: A. electrons B. ions C. plastic D. neurons Which option is correct and why?	The correct answer is: neurons.	D
What is the medical process of removing wastes and excess water from the blood by diffusion and ultrafiltration called?	[ "digestion", "arthritis", "tumors", "dialysis" ]	dialysis	Answer the following multiple-choice question. Question: What is the medical process of removing wastes and excess water from the blood by diffusion and ultrafiltration called? Options: A. digestion B. arthritis C. tumors D. dialysis Which option is correct and why?	The correct answer is: dialysis.	D
if a person wanted to hunt down some deer, which of these would be the wrong place to visit?	[ "the local hunting reservation", "a known national reservation", "an uncharted wilderness region", "a natural unregulated forest" ]	a known national reservation	Answer the following multiple-choice question. Question: if a person wanted to hunt down some deer, which of these would be the wrong place to visit? Options: A. the local hunting reservation B. a known national reservation C. an uncharted wilderness region D. a natural unregulated forest Which option is correct and why?	The correct answer is: a known national reservation.	B
which one of these is approximately opposite in acquisition to doing chores?	[ "instinctive behavior", "cleaning the yard", "mowing the lawn", "washing the dishes" ]	instinctive behavior	Answer the following multiple-choice question. Question: which one of these is approximately opposite in acquisition to doing chores? Options: A. instinctive behavior B. cleaning the yard C. mowing the lawn D. washing the dishes Which option is correct and why?	The correct answer is: instinctive behavior.	A
Radioisotopes may vary greatly in their rate of decay, decaying faster if their nuclei are more what?	[ "unstable", "immature", "stable", "mature" ]	unstable	Answer the following multiple-choice question. Question: Radioisotopes may vary greatly in their rate of decay, decaying faster if their nuclei are more what? Options: A. unstable B. immature C. stable D. mature Which option is correct and why?	The correct answer is: unstable.	A
Breaking a vase changes its	[ "center of gravity", "shape and mass", "chemical composition", "speed" ]	shape and mass	Answer the following multiple-choice question. Question: Breaking a vase changes its Options: A. center of gravity B. shape and mass C. chemical composition D. speed Which option is correct and why?	The correct answer is: shape and mass.	B
Most people can survive only a few days without controlling the body's what?	[ "temperature", "ideas", "oxygen", "menace", "energy", "it's state", "Energy.", "movement" ]	temperature	Answer the following multiple-choice question. Question: Most people can survive only a few days without controlling the body's what? Options: A. temperature B. ideas C. oxygen D. menace E. energy F. it's state G. Energy. H. movement Which option is correct and why?	The correct answer is: temperature.	A
What evidence is there that mt. everest was once at the bottom of a sea?	[ "glaciers", "skulls", "corals", "fossils" ]	fossils	Answer the following multiple-choice question. Question: What evidence is there that mt. everest was once at the bottom of a sea? Options: A. glaciers B. skulls C. corals D. fossils Which option is correct and why?	The correct answer is: fossils.	D
The density of bone is, in part, related to the amount of what mineral in one’s diet?	[ "barium", "potassium", "nitrogen", "calcium" ]	calcium	Answer the following multiple-choice question. Question: The density of bone is, in part, related to the amount of what mineral in one’s diet? Options: A. barium B. potassium C. nitrogen D. calcium Which option is correct and why?	The correct answer is: calcium.	D
Which setup likely refracts light?	[ "a banjo and a flute", "two mirrors in unison", "a cat in a hat", "gems and glowlights arranged precisely" ]	gems and glowlights arranged precisely	Answer the following multiple-choice question. Question: Which setup likely refracts light? Options: A. a banjo and a flute B. two mirrors in unison C. a cat in a hat D. gems and glowlights arranged precisely Which option is correct and why?	The correct answer is: gems and glowlights arranged precisely.	D
Funerals are common occurrences after	[ "a routine doctor's appointment", "a person has ceased taking in oxygen and pumping blood thru their system", "a person is declared in remission from cancer", "a person has had a big lunch" ]	a person has ceased taking in oxygen and pumping blood thru their system	Answer the following multiple-choice question. Question: Funerals are common occurrences after Options: A. a routine doctor's appointment B. a person has ceased taking in oxygen and pumping blood thru their system C. a person is declared in remission from cancer D. a person has had a big lunch Which option is correct and why?	The correct answer is: a person has ceased taking in oxygen and pumping blood thru their system.	B
What is the term for an amount of force pushing against a given area?	[ "force", "mass", "resistance", "pressure" ]	pressure	Answer the following multiple-choice question. Question: What is the term for an amount of force pushing against a given area? Options: A. force B. mass C. resistance D. pressure Which option is correct and why?	The correct answer is: pressure.	D
loud noises can cause hamsters to deliver quite a what?	[ "deadly", "package", "lecture", "delivery", "rabies", "bite", "Injury", "food" ]	bite	Answer the following multiple-choice question. Question: loud noises can cause hamsters to deliver quite a what? Options: A. deadly B. package C. lecture D. delivery E. rabies F. bite G. Injury H. food Which option is correct and why?	The correct answer is: bite.	A
If the earth were small enough to put on a plate and serve up for dinner, the being eating it would get mouthfuls of	[ "stew", "towels", "stone", "corn" ]	stone	Answer the following multiple-choice question. Question: If the earth were small enough to put on a plate and serve up for dinner, the being eating it would get mouthfuls of Options: A. stew B. towels C. stone D. corn Which option is correct and why?	The correct answer is: stone.	C
Oscillations in the transcription of certain genes are at the heart of the molecular mechanisms underlying what biological rhythms?	[ "brain rhythms", "circadian rhythms", "reproductive rhythms", "metastasis rhythms" ]	circadian rhythms	Answer the following multiple-choice question. Question: Oscillations in the transcription of certain genes are at the heart of the molecular mechanisms underlying what biological rhythms? Options: A. brain rhythms B. circadian rhythms C. reproductive rhythms D. metastasis rhythms Which option is correct and why?	The correct answer is: circadian rhythms.	B
What group makes up the majority of multicellular eukaryotes?	[ "Most plants", "solid, liquid, gas", "orchids", "Plant reproduction", "Veins and arteries.", "passenger pigeons", "Invertebrates", "insects" ]	Invertebrates	Answer the following multiple-choice question. Question: What group makes up the majority of multicellular eukaryotes? Options: A. Most plants B. solid, liquid, gas C. orchids D. Plant reproduction E. Veins and arteries. F. passenger pigeons G. Invertebrates H. insects Which option is correct and why?	The correct answer is: Invertebrates.	A
What type of isotopes have short half-lives and are given in very low doses?	[ "radionuclides", "gasses", "stable isotopes", "radioisotopes" ]	radioisotopes	Answer the following multiple-choice question. Question: What type of isotopes have short half-lives and are given in very low doses? Options: A. radionuclides B. gasses C. stable isotopes D. radioisotopes Which option is correct and why?	The correct answer is: radioisotopes.	D
Biochemical reactions are optimal at physiological temperatures because many what lose function at lower and higher temperatures?	[ "hormones", "neurons", "carbohydrates", "enzymes" ]	enzymes	Answer the following multiple-choice question. Question: Biochemical reactions are optimal at physiological temperatures because many what lose function at lower and higher temperatures? Options: A. hormones B. neurons C. carbohydrates D. enzymes Which option is correct and why?	The correct answer is: enzymes.	D
How does alcohol expand over a wide range of temperatures?	[ "exponentially", "variably", "uniformly", "erratically" ]	uniformly	Answer the following multiple-choice question. Question: How does alcohol expand over a wide range of temperatures? Options: A. exponentially B. variably C. uniformly D. erratically Which option is correct and why?	The correct answer is: uniformly.	C
what can produce electricity?	[ "rivers", "animal transport", "tidal caves", "Nematoda", "rays or beams", "animals", "cactuses", "photons" ]	tidal caves	Answer the following multiple-choice question. Question: what can produce electricity? Options: A. rivers B. animal transport C. tidal caves D. Nematoda E. rays or beams F. animals G. cactuses H. photons Which option is correct and why?	The correct answer is: tidal caves.	C
aging occurs because of a loss of what?	[ "wrinkles", "the skin", "mitosis", "glucose", "eyesight", "density", "Energy", "alleles" ]	mitosis	Answer the following multiple-choice question. Question: aging occurs because of a loss of what? Options: A. wrinkles B. the skin C. mitosis D. glucose E. eyesight F. density G. Energy H. alleles Which option is correct and why?	The correct answer is: mitosis.	C
What release oxygen during the day but not at night?	[ "sea anenomes", "Organic compounds", "orange trees", "coral", "power stations", "humans", "swamp vegetation", "important habitats" ]	orange trees	Answer the following multiple-choice question. Question: What release oxygen during the day but not at night? Options: A. sea anenomes B. Organic compounds C. orange trees D. coral E. power stations F. humans G. swamp vegetation H. important habitats Which option is correct and why?	The correct answer is: orange trees.	C
In mammals, the cells on the exterior form the trophectoderm, which goes on to form what?	[ "cardiac tissues", "extraembryonic tissues", "aeroponics tissues", "protoplanetary tissues" ]	extraembryonic tissues	Answer the following multiple-choice question. Question: In mammals, the cells on the exterior form the trophectoderm, which goes on to form what? Options: A. cardiac tissues B. extraembryonic tissues C. aeroponics tissues D. protoplanetary tissues Which option is correct and why?	The correct answer is: extraembryonic tissues.	B
How are organisms able to grow and repair their cells?	[ "hospitalization", "orchids", "cell care", "fungi", "growth cells", "mitosis", "recovery", "recycling" ]	mitosis	Answer the following multiple-choice question. Question: How are organisms able to grow and repair their cells? Options: A. hospitalization B. orchids C. cell care D. fungi E. growth cells F. mitosis G. recovery H. recycling Which option is correct and why?	The correct answer is: mitosis.	A
The sun’s energy is converted to chemical energy by a what?	[ "plant", "bacterium", "mammal", "amphibian" ]	plant	Answer the following multiple-choice question. Question: The sun’s energy is converted to chemical energy by a what? Options: A. plant B. bacterium C. mammal D. amphibian Which option is correct and why?	The correct answer is: plant.	A
This calcification prevents diffusion of nutrients into the matrix, resulting in what dying and the opening up of cavities in the diaphysis cartilage?	[ "keratinocytes", "chondrocytes", "phytocytes", "nanoparticles" ]	chondrocytes	Answer the following multiple-choice question. Question: This calcification prevents diffusion of nutrients into the matrix, resulting in what dying and the opening up of cavities in the diaphysis cartilage? Options: A. keratinocytes B. chondrocytes C. phytocytes D. nanoparticles Which option is correct and why?	The correct answer is: chondrocytes.	B
What is scarred by a negative impact on the environment?	[ "mines", "deforestation", "skin", "bushes", "water", "landscape", "coastlines", "clouds" ]	landscape	Answer the following multiple-choice question. Question: What is scarred by a negative impact on the environment? Options: A. mines B. deforestation C. skin D. bushes E. water F. landscape G. coastlines H. clouds Which option is correct and why?	The correct answer is: landscape.	A
If you scrape an object, small pieces or particles may break off of the object; what's an example of this?	[ "rubbing an emery board across your nail", "rubbing a cloth over a counter", "using a towel after you shower", "wiping your chin after drinking some milk" ]	rubbing an emery board across your nail	Answer the following multiple-choice question. Question: If you scrape an object, small pieces or particles may break off of the object; what's an example of this? Options: A. rubbing an emery board across your nail B. rubbing a cloth over a counter C. using a towel after you shower D. wiping your chin after drinking some milk Which option is correct and why?	The correct answer is: rubbing an emery board across your nail.	A
what are the building blocks of DNA?	[ "Plants growth", "Plant reproduction", "Organic compounds", "it needs them", "Earth orbiting the Sun", "major threat to health", "Chemical energy", "polynucleotides" ]	polynucleotides	Answer the following multiple-choice question. Question: what are the building blocks of DNA? Options: A. Plants growth B. Plant reproduction C. Organic compounds D. it needs them E. Earth orbiting the Sun F. major threat to health G. Chemical energy H. polynucleotides Which option is correct and why?	The correct answer is: polynucleotides.	A
Which type of muscle fiber can sustain long contractions?	[ "intense fibers", "direct fibers", "slow fibers", "fast fibres" ]	slow fibers	Answer the following multiple-choice question. Question: Which type of muscle fiber can sustain long contractions? Options: A. intense fibers B. direct fibers C. slow fibers D. fast fibres Which option is correct and why?	The correct answer is: slow fibers.	C
When substances react with one another the sharing or transfer of what occurs?	[ "Energy.", "voltage", "heat produced", "heat energy", "electrons", "a solute", "kinetic", "Energy" ]	electrons	Answer the following multiple-choice question. Question: When substances react with one another the sharing or transfer of what occurs? Options: A. Energy. B. voltage C. heat produced D. heat energy E. electrons F. a solute G. kinetic H. Energy Which option is correct and why?	The correct answer is: electrons.	E
Which animal requires great amounts of water to survive?	[ "amphibians", "Frogs", "bullfrogs", "Beavers", "Jellyfish", "mussels", "trout", "sharks" ]	Beavers	Answer the following multiple-choice question. Question: Which animal requires great amounts of water to survive? Options: A. amphibians B. Frogs C. bullfrogs D. Beavers E. Jellyfish F. mussels G. trout H. sharks Which option is correct and why?	The correct answer is: Beavers.	D
What are named for their “spiny skin”?	[ "amphibians", "echinoderms", "reptiles", "arachnids" ]	echinoderms	Answer the following multiple-choice question. Question: What are named for their “spiny skin”? Options: A. amphibians B. echinoderms C. reptiles D. arachnids Which option is correct and why?	The correct answer is: echinoderms.	B
Intelligence is primarily encoded in what?	[ "Man", "RNA", "SNPs", "p53", "deep set eyes", "reading glasses", "DNA", "python code" ]	DNA	Answer the following multiple-choice question. Question: Intelligence is primarily encoded in what? Options: A. Man B. RNA C. SNPs D. p53 E. deep set eyes F. reading glasses G. DNA H. python code Which option is correct and why?	The correct answer is: DNA.	A
Name the one metal that melts below room temperature?	[ "gold", "bronze", "aluminum", "mercury" ]	mercury	Answer the following multiple-choice question. Question: Name the one metal that melts below room temperature? Options: A. gold B. bronze C. aluminum D. mercury Which option is correct and why?	The correct answer is: mercury.	D
Besides the inner membrane, where are many respiratory enzymes found?	[ "the matrix", "golgi apparatus", "cytoplasm", "alveoli" ]	the matrix	Answer the following multiple-choice question. Question: Besides the inner membrane, where are many respiratory enzymes found? Options: A. the matrix B. golgi apparatus C. cytoplasm D. alveoli Which option is correct and why?	The correct answer is: the matrix.	A
what do viruses often infect?	[ "prokaryotes", "mammals", "dead h2o particles", "volume", "insects", "A computer", "the skin", "clouds" ]	prokaryotes	Answer the following multiple-choice question. Question: what do viruses often infect? Options: A. prokaryotes B. mammals C. dead h2o particles D. volume E. insects F. A computer G. the skin H. clouds Which option is correct and why?	The correct answer is: prokaryotes.	A
What type of blood cells transport oxygen to the tissues so they can function?	[ "mutated blood cells", "red blood cells", "depleted blood cells", "white blood cells" ]	red blood cells	Answer the following multiple-choice question. Question: What type of blood cells transport oxygen to the tissues so they can function? Options: A. mutated blood cells B. red blood cells C. depleted blood cells D. white blood cells Which option is correct and why?	The correct answer is: red blood cells.	B
What do dying cells do?	[ "Move to another area", "survival", "accumulate waste", "harm them", "kill them", "They may not survive.", "keeps the organism warm", "forest is destroyed" ]	accumulate waste	Answer the following multiple-choice question. Question: What do dying cells do? Options: A. Move to another area B. survival C. accumulate waste D. harm them E. kill them F. They may not survive. G. keeps the organism warm H. forest is destroyed Which option is correct and why?	The correct answer is: accumulate waste.	C
What would a polecat leave in a chair?	[ "poles", "poetry", "hair", "dusk" ]	hair	Answer the following multiple-choice question. Question: What would a polecat leave in a chair? Options: A. poles B. poetry C. hair D. dusk Which option is correct and why?	The correct answer is: hair.	C
What kind of organisms have many different types of specialized cells with particular jobs?	[ "intricate", "monocellular", "multicellular", "crude" ]	multicellular	Answer the following multiple-choice question. Question: What kind of organisms have many different types of specialized cells with particular jobs? Options: A. intricate B. monocellular C. multicellular D. crude Which option is correct and why?	The correct answer is: multicellular.	C
As the population grows, competition for food does what?	[ "stagnates", "decreases", "stays the same", "grows" ]	grows	Answer the following multiple-choice question. Question: As the population grows, competition for food does what? Options: A. stagnates B. decreases C. stays the same D. grows Which option is correct and why?	The correct answer is: grows.	D

When do female reproductive organs mature?

[ "at birth", "at puberty", "periomenopause", "at menopause" ]

at puberty

Answer the following multiple-choice question. Question: When do female reproductive organs mature? Options: A. at birth B. at puberty C. periomenopause D. at menopause Which option is correct and why?

The correct answer is: at puberty.

B

Building which of the following would cause an animal exodus from the region?

[ "a conservatory", "a park", "a car dealership", "a forest" ]

a car dealership

Answer the following multiple-choice question. Question: Building which of the following would cause an animal exodus from the region? Options: A. a conservatory B. a park C. a car dealership D. a forest Which option is correct and why?

The correct answer is: a car dealership.

C

What process does water undergo to leave behind dissolved substances?

[ "oxidation", "accumulation", "evaporation", "ascension" ]

evaporation

Answer the following multiple-choice question. Question: What process does water undergo to leave behind dissolved substances? Options: A. oxidation B. accumulation C. evaporation D. ascension Which option is correct and why?

The correct answer is: evaporation.

C

What can create toxic fumes?

[ "cigarettes", "High temperatures.", "smoking tobacco", "harmful substances", "fossil fuels", "chlorofluorocarbons", "Pesticides", "chemical reaction" ]

High temperatures.

Answer the following multiple-choice question. Question: What can create toxic fumes? Options: A. cigarettes B. High temperatures. C. smoking tobacco D. harmful substances E. fossil fuels F. chlorofluorocarbons G. Pesticides H. chemical reaction Which option is correct and why?

The correct answer is: High temperatures..

B

What is responsible for the foul smell of rancid butt?

[ "Fatty Acid", "butyric acid", "affixed acid", "ibogaine acid" ]

butyric acid

Answer the following multiple-choice question. Question: What is responsible for the foul smell of rancid butt? Options: A. Fatty Acid B. butyric acid C. affixed acid D. ibogaine acid Which option is correct and why?

The correct answer is: butyric acid.

B

What is oil likely comprised of?

[ "homo sapiens", "air", "soil", "brontosaurus" ]

brontosaurus

Answer the following multiple-choice question. Question: What is oil likely comprised of? Options: A. homo sapiens B. air C. soil D. brontosaurus Which option is correct and why?

The correct answer is: brontosaurus.

D

which of these usually occur over the shortest period?

[ "a super size earthquake", "a torrential rain fall", "all of these", "the eruption of a volcano" ]

a super size earthquake

Answer the following multiple-choice question. Question: which of these usually occur over the shortest period? Options: A. a super size earthquake B. a torrential rain fall C. all of these D. the eruption of a volcano Which option is correct and why?

The correct answer is: a super size earthquake.

A

Which gas do people exhale during each breath?

[ "oxygen", "carbon dioxide", "carbon monoxide", "nitrogen" ]

carbon dioxide

Answer the following multiple-choice question. Question: Which gas do people exhale during each breath? Options: A. oxygen B. carbon dioxide C. carbon monoxide D. nitrogen Which option is correct and why?

The correct answer is: carbon dioxide.

B

Gravity pulling objects is gives an object what measurement?

[ "speed", "TRH", "Energy.", "energy", "Force", "Weight", "Light", "Density" ]

Weight

Answer the following multiple-choice question. Question: Gravity pulling objects is gives an object what measurement? Options: A. speed B. TRH C. Energy. D. energy E. Force F. Weight G. Light H. Density Which option is correct and why?

The correct answer is: Weight.

A

Two ships grazing each other as they pass will

[ "cause mayhem", "sink them", "speed them up", "slow them down" ]

slow them down

Answer the following multiple-choice question. Question: Two ships grazing each other as they pass will Options: A. cause mayhem B. sink them C. speed them up D. slow them down Which option is correct and why?

The correct answer is: slow them down.

D

Which area would be brightest, if you woke up there?

[ "rainy environments", "underwater environments", "forest areas", "frozen areas" ]

frozen areas

Answer the following multiple-choice question. Question: Which area would be brightest, if you woke up there? Options: A. rainy environments B. underwater environments C. forest areas D. frozen areas Which option is correct and why?

The correct answer is: frozen areas.

D

The laws of what field of science apply to galaxies and atoms, an indication of the underlying unity in the universe?

[ "physics", "geology", "astronomy", "anthropology" ]

physics

Answer the following multiple-choice question. Question: The laws of what field of science apply to galaxies and atoms, an indication of the underlying unity in the universe? Options: A. physics B. geology C. astronomy D. anthropology Which option is correct and why?

The correct answer is: physics.

A

what do some insects use their antennae to detect?

[ "members of their own species", "spiders", "heat and light", "an area swollen with pus", "compressional waves", "density", "h2o", "electromagnetic energy" ]

compressional waves

Answer the following multiple-choice question. Question: what do some insects use their antennae to detect? Options: A. members of their own species B. spiders C. heat and light D. an area swollen with pus E. compressional waves F. density G. h2o H. electromagnetic energy Which option is correct and why?

The correct answer is: compressional waves.

E

Pakicetus and rodhocetus are considered to be ancestors of modern what?

[ "rodents", "whales", "primates", "hominins" ]

whales

Answer the following multiple-choice question. Question: Pakicetus and rodhocetus are considered to be ancestors of modern what? Options: A. rodents B. whales C. primates D. hominins Which option is correct and why?

The correct answer is: whales.

B

When the air temperature reaches the dew point, water vapor starts to do what?

[ "dissipate", "condense", "evaporate", "germinate" ]

condense

Answer the following multiple-choice question. Question: When the air temperature reaches the dew point, water vapor starts to do what? Options: A. dissipate B. condense C. evaporate D. germinate Which option is correct and why?

The correct answer is: condense.

B

What is used to move people across an ocean?

[ "A wagon", "A wave", "energy", "wind", "oil", "dolphins", "A ship", "A catapult" ]

A ship

Answer the following multiple-choice question. Question: What is used to move people across an ocean? Options: A. A wagon B. A wave C. energy D. wind E. oil F. dolphins G. A ship H. A catapult Which option is correct and why?

The correct answer is: A ship.

A

What mechanism do plants use to produce offspring?

[ "competition", "by indirect light", "circulatory systems", "seed dispersal", "genetic material", "In chromosomes", "mutations", "Organic compounds" ]

seed dispersal

Answer the following multiple-choice question. Question: What mechanism do plants use to produce offspring? Options: A. competition B. by indirect light C. circulatory systems D. seed dispersal E. genetic material F. In chromosomes G. mutations H. Organic compounds Which option is correct and why?

The correct answer is: seed dispersal.

D

What device is an electrochemical cell or series of cells that produces an electric current?

[ "battery", "reactor", "magnet", "generator" ]

battery

Answer the following multiple-choice question. Question: What device is an electrochemical cell or series of cells that produces an electric current? Options: A. battery B. reactor C. magnet D. generator Which option is correct and why?

The correct answer is: battery.

A

Gametes are often required for reproduction in:

[ "insects", "coral", "Jellyfish", "squids", "courtship", "Frogs", "plants", "DNA" ]

plants

Answer the following multiple-choice question. Question: Gametes are often required for reproduction in: Options: A. insects B. coral C. Jellyfish D. squids E. courtship F. Frogs G. plants H. DNA Which option is correct and why?

The correct answer is: plants.

A

Where does a baby travel to after leaving the uterus?

[ "tissue canal", "nasal canal", "birth canal", "ear canal" ]

birth canal

Answer the following multiple-choice question. Question: Where does a baby travel to after leaving the uterus? Options: A. tissue canal B. nasal canal C. birth canal D. ear canal Which option is correct and why?

The correct answer is: birth canal.

C

What cell structures capture light energy from the sun and use it with water and carbon dioxide to produce sugars for food?

[ "chloroplasts", "fibroblasts", "nuclei", "ribosomes" ]

chloroplasts

Answer the following multiple-choice question. Question: What cell structures capture light energy from the sun and use it with water and carbon dioxide to produce sugars for food? Options: A. chloroplasts B. fibroblasts C. nuclei D. ribosomes Which option is correct and why?

The correct answer is: chloroplasts.

A

What does food help a living thing do?

[ "Regrows it", "growth", "health", "stay warm", "Survive", "Reproduce", "Walk", "Hunt" ]

Survive

Answer the following multiple-choice question. Question: What does food help a living thing do? Options: A. Regrows it B. growth C. health D. stay warm E. Survive F. Reproduce G. Walk H. Hunt Which option is correct and why?

The correct answer is: Survive.

E

An animal needs another animal to

[ "fly", "eat", "eliminate waste", "pass genetic information" ]

pass genetic information

Answer the following multiple-choice question. Question: An animal needs another animal to Options: A. fly B. eat C. eliminate waste D. pass genetic information Which option is correct and why?

The correct answer is: pass genetic information.

D

What can genes do?

[ "Give a young goat hair that looks like its mother's hair", "Make a baby chubby", "Make a horse break its leg", "Attack viruses and bacteria" ]

Give a young goat hair that looks like its mother's hair

Answer the following multiple-choice question. Question: What can genes do? Options: A. Give a young goat hair that looks like its mother's hair B. Make a baby chubby C. Make a horse break its leg D. Attack viruses and bacteria Which option is correct and why?

The correct answer is: Give a young goat hair that looks like its mother's hair.

A

What is the most widely accepted theory explaining how muscle fibers contract?

[ "sliding tritium theory", "sliding pigment theoery", "sliding filament theory", "sliding carbon theory" ]

sliding filament theory

Answer the following multiple-choice question. Question: What is the most widely accepted theory explaining how muscle fibers contract? Options: A. sliding tritium theory B. sliding pigment theoery C. sliding filament theory D. sliding carbon theory Which option is correct and why?

The correct answer is: sliding filament theory.

C

The changing of a light ray’s direction (loosely called bending) when it passes through variations in matter is called this?

[ "vibration", "refraction", "wavelength", "resonance" ]

refraction

Answer the following multiple-choice question. Question: The changing of a light ray’s direction (loosely called bending) when it passes through variations in matter is called this? Options: A. vibration B. refraction C. wavelength D. resonance Which option is correct and why?

The correct answer is: refraction.

B

Cells like a prokaryotic cell, a eukaryotic cell has a plasma membrane, cytoplasm, and ribosomes, but a eukaryotic cell is typically larger than a prokaryotic cell, has a true nucleus (meaning its dna is surrounded by a membrane), and has other membrane-bound organelles that allow for what?

[ "compartmentalization of functions", "replicating of functions", "misuse of functions", "scrobipalpa of functions" ]

compartmentalization of functions

Answer the following multiple-choice question. Question: Cells like a prokaryotic cell, a eukaryotic cell has a plasma membrane, cytoplasm, and ribosomes, but a eukaryotic cell is typically larger than a prokaryotic cell, has a true nucleus (meaning its dna is surrounded by a membrane), and has other membrane-bound organelles that allow for what? Options: A. compartmentalization of functions B. replicating of functions C. misuse of functions D. scrobipalpa of functions Which option is correct and why?

The correct answer is: compartmentalization of functions.

A

What is a group of lions called?

[ "bevy", "pride", "coven", "herd" ]

pride

Answer the following multiple-choice question. Question: What is a group of lions called? Options: A. bevy B. pride C. coven D. herd Which option is correct and why?

The correct answer is: pride.

B

One of the most advanced uses of what in medicine is the positron emission tomography scanner, which detects the activity in the body of a very small injection of radioactive glucose?

[ "membranes", "quarks", "radioisotopes", "radionuclides" ]

radioisotopes

Answer the following multiple-choice question. Question: One of the most advanced uses of what in medicine is the positron emission tomography scanner, which detects the activity in the body of a very small injection of radioactive glucose? Options: A. membranes B. quarks C. radioisotopes D. radionuclides Which option is correct and why?

The correct answer is: radioisotopes.

C

What will happen to a badge in the sun?

[ "body temperature reduces", "Warm air moving into cold air", "reflecting light", "They may not survive.", "heat is produced", "depress neuronal excitability", "it will absorb solar energy", "It gets heated up" ]

it will absorb solar energy

Answer the following multiple-choice question. Question: What will happen to a badge in the sun? Options: A. body temperature reduces B. Warm air moving into cold air C. reflecting light D. They may not survive. E. heat is produced F. depress neuronal excitability G. it will absorb solar energy H. It gets heated up Which option is correct and why?

The correct answer is: it will absorb solar energy.

A

Glacier melt

[ "is an effect of too many polar bears", "is an effect of an abundance of CO2 in the environment", "is an effect of deforestation", "is an effect of oxygen saturation" ]

is an effect of an abundance of CO2 in the environment

Answer the following multiple-choice question. Question: Glacier melt Options: A. is an effect of too many polar bears B. is an effect of an abundance of CO2 in the environment C. is an effect of deforestation D. is an effect of oxygen saturation Which option is correct and why?

The correct answer is: is an effect of an abundance of CO2 in the environment.

B

deserts are known for having what type of climates?

[ "scorching", "comfortable", "average temps", "lush" ]

scorching

Answer the following multiple-choice question. Question: deserts are known for having what type of climates? Options: A. scorching B. comfortable C. average temps D. lush Which option is correct and why?

The correct answer is: scorching.

A

What is the name of the sugar that plants produce to be used as food?

[ "chlorophyll", "glucose", "glucosamine", "insulin" ]

glucose

Answer the following multiple-choice question. Question: What is the name of the sugar that plants produce to be used as food? Options: A. chlorophyll B. glucose C. glucosamine D. insulin Which option is correct and why?

The correct answer is: glucose.

B

A genetic molecule is called dna, which stands for this?

[ "deoxyribonucleic acid", "dark nitrogen amine", "di-nitrous ammonia", "dense ribonucleic acid" ]

deoxyribonucleic acid

Answer the following multiple-choice question. Question: A genetic molecule is called dna, which stands for this? Options: A. deoxyribonucleic acid B. dark nitrogen amine C. di-nitrous ammonia D. dense ribonucleic acid Which option is correct and why?

The correct answer is: deoxyribonucleic acid.

A

What kind of structure do purines have?

[ "double ring structure", "triple ring structure", "single ring structure", "helical stucture" ]

double ring structure

Answer the following multiple-choice question. Question: What kind of structure do purines have? Options: A. double ring structure B. triple ring structure C. single ring structure D. helical stucture Which option is correct and why?

The correct answer is: double ring structure.

A

Some of these creatures with fluffy butts live in grassy areas

[ "snakes", "doe", "scorpions", "turtles" ]

doe

Answer the following multiple-choice question. Question: Some of these creatures with fluffy butts live in grassy areas Options: A. snakes B. doe C. scorpions D. turtles Which option is correct and why?

The correct answer is: doe.

B

What does condensation cause?

[ "water", "emptiness", "sandstorms", "guilt", "heat", "rain", "gas", "H20" ]

rain

Answer the following multiple-choice question. Question: What does condensation cause? Options: A. water B. emptiness C. sandstorms D. guilt E. heat F. rain G. gas H. H20 Which option is correct and why?

The correct answer is: rain.

A

What can happen spontaneously or as a result of mutagens in the environment?

[ "mutations", "combustion", "traits", "lesions" ]

mutations

Answer the following multiple-choice question. Question: What can happen spontaneously or as a result of mutagens in the environment? Options: A. mutations B. combustion C. traits D. lesions Which option is correct and why?

The correct answer is: mutations.

A

What can cause an aneurysm?

[ "smoking", "infection", "bacteria", "viruses", "Pollution", "steroids", "influenza", "rays or beams" ]

infection

Answer the following multiple-choice question. Question: What can cause an aneurysm? Options: A. smoking B. infection C. bacteria D. viruses E. Pollution F. steroids G. influenza H. rays or beams Which option is correct and why?

The correct answer is: infection.

B

In what unit is frequency measured in?

[ "gram", "hertz", "centimeter", "mole" ]

hertz

Answer the following multiple-choice question. Question: In what unit is frequency measured in? Options: A. gram B. hertz C. centimeter D. mole Which option is correct and why?

The correct answer is: hertz.

B

The types of white blood cells that arrive at an inflamed site depend on the nature of what?

[ "skin color", "blood type", "genes", "injury or infection" ]

injury or infection

Answer the following multiple-choice question. Question: The types of white blood cells that arrive at an inflamed site depend on the nature of what? Options: A. skin color B. blood type C. genes D. injury or infection Which option is correct and why?

The correct answer is: injury or infection.

D

If a sunbeam shoots through a rainstorm,

[ "hues show up", "fields are burned", "trees blow up", "mice grow up" ]

hues show up

Answer the following multiple-choice question. Question: If a sunbeam shoots through a rainstorm, Options: A. hues show up B. fields are burned C. trees blow up D. mice grow up Which option is correct and why?

The correct answer is: hues show up.

A

If a weed is pulled then the weed is what?

[ "fruitful", "terminated", "functioning", "ugly" ]

terminated

Answer the following multiple-choice question. Question: If a weed is pulled then the weed is what? Options: A. fruitful B. terminated C. functioning D. ugly Which option is correct and why?

The correct answer is: terminated.

B

if a cloud deposits its contents to the earth, which of these may be true?

[ "the moon will shine brighter", "the open fair will be a success", "the river will dry up", "the farmers would rejoice" ]

the farmers would rejoice

Answer the following multiple-choice question. Question: if a cloud deposits its contents to the earth, which of these may be true? Options: A. the moon will shine brighter B. the open fair will be a success C. the river will dry up D. the farmers would rejoice Which option is correct and why?

The correct answer is: the farmers would rejoice.

D

A plant that forms special tissues for storing water in an arid climate is an example of the plant evolving what?

[ "additions", "divergence", "adaptations", "consciousness" ]

adaptations

Answer the following multiple-choice question. Question: A plant that forms special tissues for storing water in an arid climate is an example of the plant evolving what? Options: A. additions B. divergence C. adaptations D. consciousness Which option is correct and why?

The correct answer is: adaptations.

C

Ash that enters the air naturally as a result of a volcano eruption is classified as what kind of pollutant?

[ "secondary pollutant", "thick pollutant", "natural pollutant", "primary pollutant" ]

primary pollutant

Answer the following multiple-choice question. Question: Ash that enters the air naturally as a result of a volcano eruption is classified as what kind of pollutant? Options: A. secondary pollutant B. thick pollutant C. natural pollutant D. primary pollutant Which option is correct and why?

The correct answer is: primary pollutant.

D

What is the number placed in front of a chemical symbol or formula that shows how many atoms or molecules of the substance are involved in the reaction?

[ "frequency", "note", "coefficient", "requirement" ]

coefficient

Answer the following multiple-choice question. Question: What is the number placed in front of a chemical symbol or formula that shows how many atoms or molecules of the substance are involved in the reaction? Options: A. frequency B. note C. coefficient D. requirement Which option is correct and why?

The correct answer is: coefficient.

C

Unlike plants, animal species rely almost exclusively on what type of reproduction?

[ "sexual reproduction", "multiplication", "regeneration", "pollination" ]

sexual reproduction

Answer the following multiple-choice question. Question: Unlike plants, animal species rely almost exclusively on what type of reproduction? Options: A. sexual reproduction B. multiplication C. regeneration D. pollination Which option is correct and why?

The correct answer is: sexual reproduction.

A

What property of toluene and xylene makes them important in the chemical industry?

[ "excess property", "isolate property", "solvent property", "corrosive property" ]

solvent property

Answer the following multiple-choice question. Question: What property of toluene and xylene makes them important in the chemical industry? Options: A. excess property B. isolate property C. solvent property D. corrosive property Which option is correct and why?

The correct answer is: solvent property.

C

What is the term for matter that does not let any light pass through it, whether it absorbs light, reflects light, or does both?

[ "artificial", "devoid", "obscene", "opaque" ]

opaque

Answer the following multiple-choice question. Question: What is the term for matter that does not let any light pass through it, whether it absorbs light, reflects light, or does both? Options: A. artificial B. devoid C. obscene D. opaque Which option is correct and why?

The correct answer is: opaque.

D

condensation is a stage in what cycle process?

[ "h2o", "space", "solar", "fire" ]

h2o

Answer the following multiple-choice question. Question: condensation is a stage in what cycle process? Options: A. h2o B. space C. solar D. fire Which option is correct and why?

The correct answer is: h2o.

A

The lungs are a series of ever-narrowing tubes that end in a myriad of tiny sacs called what?

[ "testes", "alveoli", "brachii", "glands" ]

alveoli

Answer the following multiple-choice question. Question: The lungs are a series of ever-narrowing tubes that end in a myriad of tiny sacs called what? Options: A. testes B. alveoli C. brachii D. glands Which option is correct and why?

The correct answer is: alveoli.

B

What age group can intend to cause harm and pain?

[ "if humans disturb bears", "Adults only", "Children only", "barks and snarls", "Neither", "resistance activities", "Both children and adults", "destroying trees" ]

Both children and adults

Answer the following multiple-choice question. Question: What age group can intend to cause harm and pain? Options: A. if humans disturb bears B. Adults only C. Children only D. barks and snarls E. Neither F. resistance activities G. Both children and adults H. destroying trees Which option is correct and why?

The correct answer is: Both children and adults.

A

What can cause phase changes?

[ "sweating", "constant temperatures", "heat or cold", "global warming", "observation", "climate", "scattered light", "nothing" ]

heat or cold

Answer the following multiple-choice question. Question: What can cause phase changes? Options: A. sweating B. constant temperatures C. heat or cold D. global warming E. observation F. climate G. scattered light H. nothing Which option is correct and why?

The correct answer is: heat or cold.

C

Every chemical reaction between molecules involves breaking and forming of what?

[ "atomic pathways", "bonds", "orbits", "ions" ]

bonds

Answer the following multiple-choice question. Question: Every chemical reaction between molecules involves breaking and forming of what? Options: A. atomic pathways B. bonds C. orbits D. ions Which option is correct and why?

The correct answer is: bonds.

B

What affects all plants and animals as the Earth revolves around the sun?

[ "starlight", "cool breezes", "global warming", "electromagnetic energy", "moisture levels", "fossil fuels", "temperature", "weather changes" ]

weather changes

Answer the following multiple-choice question. Question: What affects all plants and animals as the Earth revolves around the sun? Options: A. starlight B. cool breezes C. global warming D. electromagnetic energy E. moisture levels F. fossil fuels G. temperature H. weather changes Which option is correct and why?

The correct answer is: weather changes.

A

The melting point of a duck would be

[ "higher than the body temps", "lower than a refrigerator", "higher than the sun's", "lower than a freezer's" ]

higher than the body temps

Answer the following multiple-choice question. Question: The melting point of a duck would be Options: A. higher than the body temps B. lower than a refrigerator C. higher than the sun's D. lower than a freezer's Which option is correct and why?

The correct answer is: higher than the body temps.

A

A bird that weighs twenty pounds will fly easier than a bird that weighs

[ "twenty four pounds", "ten pounds", "seventeen pounds", "twelve pounds" ]

twenty four pounds

Answer the following multiple-choice question. Question: A bird that weighs twenty pounds will fly easier than a bird that weighs Options: A. twenty four pounds B. ten pounds C. seventeen pounds D. twelve pounds Which option is correct and why?

The correct answer is: twenty four pounds.

A

What is the nervous tissue in the brain and in the rest of the nervous system made up of?

[ "electrons", "ions", "plastic", "neurons" ]

neurons

Answer the following multiple-choice question. Question: What is the nervous tissue in the brain and in the rest of the nervous system made up of? Options: A. electrons B. ions C. plastic D. neurons Which option is correct and why?

The correct answer is: neurons.

D

What is the medical process of removing wastes and excess water from the blood by diffusion and ultrafiltration called?

[ "digestion", "arthritis", "tumors", "dialysis" ]

dialysis

Answer the following multiple-choice question. Question: What is the medical process of removing wastes and excess water from the blood by diffusion and ultrafiltration called? Options: A. digestion B. arthritis C. tumors D. dialysis Which option is correct and why?

The correct answer is: dialysis.

D

if a person wanted to hunt down some deer, which of these would be the wrong place to visit?

[ "the local hunting reservation", "a known national reservation", "an uncharted wilderness region", "a natural unregulated forest" ]

a known national reservation

Answer the following multiple-choice question. Question: if a person wanted to hunt down some deer, which of these would be the wrong place to visit? Options: A. the local hunting reservation B. a known national reservation C. an uncharted wilderness region D. a natural unregulated forest Which option is correct and why?

The correct answer is: a known national reservation.

B

which one of these is approximately opposite in acquisition to doing chores?

[ "instinctive behavior", "cleaning the yard", "mowing the lawn", "washing the dishes" ]

instinctive behavior

Answer the following multiple-choice question. Question: which one of these is approximately opposite in acquisition to doing chores? Options: A. instinctive behavior B. cleaning the yard C. mowing the lawn D. washing the dishes Which option is correct and why?

The correct answer is: instinctive behavior.

A

Radioisotopes may vary greatly in their rate of decay, decaying faster if their nuclei are more what?

[ "unstable", "immature", "stable", "mature" ]

unstable

Answer the following multiple-choice question. Question: Radioisotopes may vary greatly in their rate of decay, decaying faster if their nuclei are more what? Options: A. unstable B. immature C. stable D. mature Which option is correct and why?

The correct answer is: unstable.

A

Breaking a vase changes its

[ "center of gravity", "shape and mass", "chemical composition", "speed" ]

shape and mass

Answer the following multiple-choice question. Question: Breaking a vase changes its Options: A. center of gravity B. shape and mass C. chemical composition D. speed Which option is correct and why?

The correct answer is: shape and mass.

B

Most people can survive only a few days without controlling the body's what?

[ "temperature", "ideas", "oxygen", "menace", "energy", "it's state", "Energy.", "movement" ]

temperature

Answer the following multiple-choice question. Question: Most people can survive only a few days without controlling the body's what? Options: A. temperature B. ideas C. oxygen D. menace E. energy F. it's state G. Energy. H. movement Which option is correct and why?

The correct answer is: temperature.

A

What evidence is there that mt. everest was once at the bottom of a sea?

[ "glaciers", "skulls", "corals", "fossils" ]

fossils

Answer the following multiple-choice question. Question: What evidence is there that mt. everest was once at the bottom of a sea? Options: A. glaciers B. skulls C. corals D. fossils Which option is correct and why?

The correct answer is: fossils.

D

The density of bone is, in part, related to the amount of what mineral in one’s diet?

[ "barium", "potassium", "nitrogen", "calcium" ]

calcium

Answer the following multiple-choice question. Question: The density of bone is, in part, related to the amount of what mineral in one’s diet? Options: A. barium B. potassium C. nitrogen D. calcium Which option is correct and why?

The correct answer is: calcium.

D

Which setup likely refracts light?

[ "a banjo and a flute", "two mirrors in unison", "a cat in a hat", "gems and glowlights arranged precisely" ]

gems and glowlights arranged precisely

Answer the following multiple-choice question. Question: Which setup likely refracts light? Options: A. a banjo and a flute B. two mirrors in unison C. a cat in a hat D. gems and glowlights arranged precisely Which option is correct and why?

The correct answer is: gems and glowlights arranged precisely.

D

Funerals are common occurrences after

[ "a routine doctor's appointment", "a person has ceased taking in oxygen and pumping blood thru their system", "a person is declared in remission from cancer", "a person has had a big lunch" ]

a person has ceased taking in oxygen and pumping blood thru their system

Answer the following multiple-choice question. Question: Funerals are common occurrences after Options: A. a routine doctor's appointment B. a person has ceased taking in oxygen and pumping blood thru their system C. a person is declared in remission from cancer D. a person has had a big lunch Which option is correct and why?

The correct answer is: a person has ceased taking in oxygen and pumping blood thru their system.

B

What is the term for an amount of force pushing against a given area?

[ "force", "mass", "resistance", "pressure" ]

pressure

Answer the following multiple-choice question. Question: What is the term for an amount of force pushing against a given area? Options: A. force B. mass C. resistance D. pressure Which option is correct and why?

The correct answer is: pressure.

D

loud noises can cause hamsters to deliver quite a what?

[ "deadly", "package", "lecture", "delivery", "rabies", "bite", "Injury", "food" ]

bite

Answer the following multiple-choice question. Question: loud noises can cause hamsters to deliver quite a what? Options: A. deadly B. package C. lecture D. delivery E. rabies F. bite G. Injury H. food Which option is correct and why?

The correct answer is: bite.

A

If the earth were small enough to put on a plate and serve up for dinner, the being eating it would get mouthfuls of

[ "stew", "towels", "stone", "corn" ]

stone

Answer the following multiple-choice question. Question: If the earth were small enough to put on a plate and serve up for dinner, the being eating it would get mouthfuls of Options: A. stew B. towels C. stone D. corn Which option is correct and why?

The correct answer is: stone.

C

Oscillations in the transcription of certain genes are at the heart of the molecular mechanisms underlying what biological rhythms?

[ "brain rhythms", "circadian rhythms", "reproductive rhythms", "metastasis rhythms" ]

circadian rhythms

Answer the following multiple-choice question. Question: Oscillations in the transcription of certain genes are at the heart of the molecular mechanisms underlying what biological rhythms? Options: A. brain rhythms B. circadian rhythms C. reproductive rhythms D. metastasis rhythms Which option is correct and why?

The correct answer is: circadian rhythms.

B

What group makes up the majority of multicellular eukaryotes?

[ "Most plants", "solid, liquid, gas", "orchids", "Plant reproduction", "Veins and arteries.", "passenger pigeons", "Invertebrates", "insects" ]

Invertebrates

Answer the following multiple-choice question. Question: What group makes up the majority of multicellular eukaryotes? Options: A. Most plants B. solid, liquid, gas C. orchids D. Plant reproduction E. Veins and arteries. F. passenger pigeons G. Invertebrates H. insects Which option is correct and why?

The correct answer is: Invertebrates.

A

What type of isotopes have short half-lives and are given in very low doses?

[ "radionuclides", "gasses", "stable isotopes", "radioisotopes" ]

radioisotopes

Answer the following multiple-choice question. Question: What type of isotopes have short half-lives and are given in very low doses? Options: A. radionuclides B. gasses C. stable isotopes D. radioisotopes Which option is correct and why?

The correct answer is: radioisotopes.

D

Biochemical reactions are optimal at physiological temperatures because many what lose function at lower and higher temperatures?

[ "hormones", "neurons", "carbohydrates", "enzymes" ]

enzymes

Answer the following multiple-choice question. Question: Biochemical reactions are optimal at physiological temperatures because many what lose function at lower and higher temperatures? Options: A. hormones B. neurons C. carbohydrates D. enzymes Which option is correct and why?

The correct answer is: enzymes.

D

How does alcohol expand over a wide range of temperatures?

[ "exponentially", "variably", "uniformly", "erratically" ]

uniformly

Answer the following multiple-choice question. Question: How does alcohol expand over a wide range of temperatures? Options: A. exponentially B. variably C. uniformly D. erratically Which option is correct and why?

The correct answer is: uniformly.

C

what can produce electricity?

[ "rivers", "animal transport", "tidal caves", "Nematoda", "rays or beams", "animals", "cactuses", "photons" ]

tidal caves

Answer the following multiple-choice question. Question: what can produce electricity? Options: A. rivers B. animal transport C. tidal caves D. Nematoda E. rays or beams F. animals G. cactuses H. photons Which option is correct and why?

The correct answer is: tidal caves.

C

aging occurs because of a loss of what?

[ "wrinkles", "the skin", "mitosis", "glucose", "eyesight", "density", "Energy", "alleles" ]

mitosis

Answer the following multiple-choice question. Question: aging occurs because of a loss of what? Options: A. wrinkles B. the skin C. mitosis D. glucose E. eyesight F. density G. Energy H. alleles Which option is correct and why?

The correct answer is: mitosis.

C

What release oxygen during the day but not at night?

[ "sea anenomes", "Organic compounds", "orange trees", "coral", "power stations", "humans", "swamp vegetation", "important habitats" ]

orange trees

Answer the following multiple-choice question. Question: What release oxygen during the day but not at night? Options: A. sea anenomes B. Organic compounds C. orange trees D. coral E. power stations F. humans G. swamp vegetation H. important habitats Which option is correct and why?

The correct answer is: orange trees.

C

In mammals, the cells on the exterior form the trophectoderm, which goes on to form what?

[ "cardiac tissues", "extraembryonic tissues", "aeroponics tissues", "protoplanetary tissues" ]

extraembryonic tissues

Answer the following multiple-choice question. Question: In mammals, the cells on the exterior form the trophectoderm, which goes on to form what? Options: A. cardiac tissues B. extraembryonic tissues C. aeroponics tissues D. protoplanetary tissues Which option is correct and why?

The correct answer is: extraembryonic tissues.

B

How are organisms able to grow and repair their cells?

[ "hospitalization", "orchids", "cell care", "fungi", "growth cells", "mitosis", "recovery", "recycling" ]

mitosis

Answer the following multiple-choice question. Question: How are organisms able to grow and repair their cells? Options: A. hospitalization B. orchids C. cell care D. fungi E. growth cells F. mitosis G. recovery H. recycling Which option is correct and why?

The correct answer is: mitosis.

A

The sun’s energy is converted to chemical energy by a what?

[ "plant", "bacterium", "mammal", "amphibian" ]

plant

Answer the following multiple-choice question. Question: The sun’s energy is converted to chemical energy by a what? Options: A. plant B. bacterium C. mammal D. amphibian Which option is correct and why?

The correct answer is: plant.

A

This calcification prevents diffusion of nutrients into the matrix, resulting in what dying and the opening up of cavities in the diaphysis cartilage?

[ "keratinocytes", "chondrocytes", "phytocytes", "nanoparticles" ]

chondrocytes

Answer the following multiple-choice question. Question: This calcification prevents diffusion of nutrients into the matrix, resulting in what dying and the opening up of cavities in the diaphysis cartilage? Options: A. keratinocytes B. chondrocytes C. phytocytes D. nanoparticles Which option is correct and why?

The correct answer is: chondrocytes.

B

What is scarred by a negative impact on the environment?

[ "mines", "deforestation", "skin", "bushes", "water", "landscape", "coastlines", "clouds" ]

landscape

Answer the following multiple-choice question. Question: What is scarred by a negative impact on the environment? Options: A. mines B. deforestation C. skin D. bushes E. water F. landscape G. coastlines H. clouds Which option is correct and why?

The correct answer is: landscape.

A

If you scrape an object, small pieces or particles may break off of the object; what's an example of this?

[ "rubbing an emery board across your nail", "rubbing a cloth over a counter", "using a towel after you shower", "wiping your chin after drinking some milk" ]

rubbing an emery board across your nail

Answer the following multiple-choice question. Question: If you scrape an object, small pieces or particles may break off of the object; what's an example of this? Options: A. rubbing an emery board across your nail B. rubbing a cloth over a counter C. using a towel after you shower D. wiping your chin after drinking some milk Which option is correct and why?

The correct answer is: rubbing an emery board across your nail.

A

what are the building blocks of DNA?

[ "Plants growth", "Plant reproduction", "Organic compounds", "it needs them", "Earth orbiting the Sun", "major threat to health", "Chemical energy", "polynucleotides" ]

polynucleotides

Answer the following multiple-choice question. Question: what are the building blocks of DNA? Options: A. Plants growth B. Plant reproduction C. Organic compounds D. it needs them E. Earth orbiting the Sun F. major threat to health G. Chemical energy H. polynucleotides Which option is correct and why?

The correct answer is: polynucleotides.

A

Which type of muscle fiber can sustain long contractions?

[ "intense fibers", "direct fibers", "slow fibers", "fast fibres" ]

slow fibers

Answer the following multiple-choice question. Question: Which type of muscle fiber can sustain long contractions? Options: A. intense fibers B. direct fibers C. slow fibers D. fast fibres Which option is correct and why?

The correct answer is: slow fibers.

C

When substances react with one another the sharing or transfer of what occurs?

[ "Energy.", "voltage", "heat produced", "heat energy", "electrons", "a solute", "kinetic", "Energy" ]

electrons

Answer the following multiple-choice question. Question: When substances react with one another the sharing or transfer of what occurs? Options: A. Energy. B. voltage C. heat produced D. heat energy E. electrons F. a solute G. kinetic H. Energy Which option is correct and why?

The correct answer is: electrons.

E

Which animal requires great amounts of water to survive?

[ "amphibians", "Frogs", "bullfrogs", "Beavers", "Jellyfish", "mussels", "trout", "sharks" ]

Beavers

Answer the following multiple-choice question. Question: Which animal requires great amounts of water to survive? Options: A. amphibians B. Frogs C. bullfrogs D. Beavers E. Jellyfish F. mussels G. trout H. sharks Which option is correct and why?

The correct answer is: Beavers.

D

What are named for their “spiny skin”?

[ "amphibians", "echinoderms", "reptiles", "arachnids" ]

echinoderms

Answer the following multiple-choice question. Question: What are named for their “spiny skin”? Options: A. amphibians B. echinoderms C. reptiles D. arachnids Which option is correct and why?

The correct answer is: echinoderms.

B

Intelligence is primarily encoded in what?

[ "Man", "RNA", "SNPs", "p53", "deep set eyes", "reading glasses", "DNA", "python code" ]

DNA

Answer the following multiple-choice question. Question: Intelligence is primarily encoded in what? Options: A. Man B. RNA C. SNPs D. p53 E. deep set eyes F. reading glasses G. DNA H. python code Which option is correct and why?

The correct answer is: DNA.

A

Name the one metal that melts below room temperature?

[ "gold", "bronze", "aluminum", "mercury" ]

mercury

Answer the following multiple-choice question. Question: Name the one metal that melts below room temperature? Options: A. gold B. bronze C. aluminum D. mercury Which option is correct and why?

The correct answer is: mercury.

D

Besides the inner membrane, where are many respiratory enzymes found?

[ "the matrix", "golgi apparatus", "cytoplasm", "alveoli" ]

the matrix

Answer the following multiple-choice question. Question: Besides the inner membrane, where are many respiratory enzymes found? Options: A. the matrix B. golgi apparatus C. cytoplasm D. alveoli Which option is correct and why?

The correct answer is: the matrix.

A

what do viruses often infect?

[ "prokaryotes", "mammals", "dead h2o particles", "volume", "insects", "A computer", "the skin", "clouds" ]

prokaryotes

Answer the following multiple-choice question. Question: what do viruses often infect? Options: A. prokaryotes B. mammals C. dead h2o particles D. volume E. insects F. A computer G. the skin H. clouds Which option is correct and why?

The correct answer is: prokaryotes.

A

What type of blood cells transport oxygen to the tissues so they can function?

[ "mutated blood cells", "red blood cells", "depleted blood cells", "white blood cells" ]

red blood cells

Answer the following multiple-choice question. Question: What type of blood cells transport oxygen to the tissues so they can function? Options: A. mutated blood cells B. red blood cells C. depleted blood cells D. white blood cells Which option is correct and why?

The correct answer is: red blood cells.

B

What do dying cells do?

[ "Move to another area", "survival", "accumulate waste", "harm them", "kill them", "They may not survive.", "keeps the organism warm", "forest is destroyed" ]

accumulate waste

Answer the following multiple-choice question. Question: What do dying cells do? Options: A. Move to another area B. survival C. accumulate waste D. harm them E. kill them F. They may not survive. G. keeps the organism warm H. forest is destroyed Which option is correct and why?

The correct answer is: accumulate waste.

C

What would a polecat leave in a chair?

[ "poles", "poetry", "hair", "dusk" ]

hair

Answer the following multiple-choice question. Question: What would a polecat leave in a chair? Options: A. poles B. poetry C. hair D. dusk Which option is correct and why?

The correct answer is: hair.

C

What kind of organisms have many different types of specialized cells with particular jobs?

[ "intricate", "monocellular", "multicellular", "crude" ]

multicellular

Answer the following multiple-choice question. Question: What kind of organisms have many different types of specialized cells with particular jobs? Options: A. intricate B. monocellular C. multicellular D. crude Which option is correct and why?

The correct answer is: multicellular.

C

As the population grows, competition for food does what?

[ "stagnates", "decreases", "stays the same", "grows" ]

grows

Answer the following multiple-choice question. Question: As the population grows, competition for food does what? Options: A. stagnates B. decreases C. stays the same D. grows Which option is correct and why?

The correct answer is: grows.

D