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|---|---|---|---|---|
The tiny hair present on mucus membranes is known as?
|
[
"tissue",
"collagen",
"dendrites",
"cilia"
] |
cilia
|
Answer the following multiple-choice question.
Question: The tiny hair present on mucus membranes is known as?
Options:
A. tissue
B. collagen
C. dendrites
D. cilia
Which option is correct and why?
|
The correct answer is: cilia.
|
What do organisms require for growth?
|
[
"DNA",
"O2",
"genes",
"oxygen",
"Heat",
"Food",
"cells",
"tissue"
] |
Food
|
Answer the following multiple-choice question.
Question: What do organisms require for growth?
Options:
A. DNA
B. O2
C. genes
D. oxygen
E. Heat
F. Food
G. cells
H. tissue
Which option is correct and why?
|
The correct answer is: Food.
|
What is something that can be used to impede electrical transference?
|
[
"A virus",
"hormones",
"sulfur",
"forces",
"tar",
"toxins",
"mutations",
"storms"
] |
sulfur
|
Answer the following multiple-choice question.
Question: What is something that can be used to impede electrical transference?
Options:
A. A virus
B. hormones
C. sulfur
D. forces
E. tar
F. toxins
G. mutations
H. storms
Which option is correct and why?
|
The correct answer is: sulfur.
|
If you touch a wall wart which hasn't been on in weeks, it'll feel
|
[
"very warm",
"cold",
"hot",
"moderately warm"
] |
cold
|
Answer the following multiple-choice question.
Question: If you touch a wall wart which hasn't been on in weeks, it'll feel
Options:
A. very warm
B. cold
C. hot
D. moderately warm
Which option is correct and why?
|
The correct answer is: cold.
|
What is the term for how the air feels at its temperature and humidity
|
[
"climate sensory index",
"atmospheric humidity",
"relative humidity",
"initial humidity"
] |
relative humidity
|
Answer the following multiple-choice question.
Question: What is the term for how the air feels at its temperature and humidity
Options:
A. climate sensory index
B. atmospheric humidity
C. relative humidity
D. initial humidity
Which option is correct and why?
|
The correct answer is: relative humidity.
|
What is the average number of individuals per unit of area or volume?
|
[
"population divided by class",
"population divided by area",
"solid, liquid, gas",
"biological diversity",
"competing for resources",
"population divided by income",
"population divided by wealth",
"Something that makes plants green"
] |
population divided by area
|
Answer the following multiple-choice question.
Question: What is the average number of individuals per unit of area or volume?
Options:
A. population divided by class
B. population divided by area
C. solid, liquid, gas
D. biological diversity
E. competing for resources
F. population divided by income
G. population divided by wealth
H. Something that makes plants green
Which option is correct and why?
|
The correct answer is: population divided by area.
|
Along with nerve tissue, what kind of tissue are lecithins and cephalins important constituents of?
|
[
"skin tissue",
"brain tissue",
"lung tissue",
"heart tissue"
] |
brain tissue
|
Answer the following multiple-choice question.
Question: Along with nerve tissue, what kind of tissue are lecithins and cephalins important constituents of?
Options:
A. skin tissue
B. brain tissue
C. lung tissue
D. heart tissue
Which option is correct and why?
|
The correct answer is: brain tissue.
|
What is a natural part of aging?
|
[
"Smoking",
"apoptosis",
"regeneration",
"illness",
"stimulation",
"cracking",
"Weight",
"firm skin"
] |
apoptosis
|
Answer the following multiple-choice question.
Question: What is a natural part of aging?
Options:
A. Smoking
B. apoptosis
C. regeneration
D. illness
E. stimulation
F. cracking
G. Weight
H. firm skin
Which option is correct and why?
|
The correct answer is: apoptosis.
|
he penetration of the egg by a sperm takes place inside what?
|
[
"Microscope",
"an object",
"ejaculate",
"epidermis and dermis",
"male organism",
"female organism",
"Veins and arteries.",
"testicles"
] |
female organism
|
Answer the following multiple-choice question.
Question: he penetration of the egg by a sperm takes place inside what?
Options:
A. Microscope
B. an object
C. ejaculate
D. epidermis and dermis
E. male organism
F. female organism
G. Veins and arteries.
H. testicles
Which option is correct and why?
|
The correct answer is: female organism.
|
what has a negative impact on the body?
|
[
"pathogens",
"electrons",
"smallpox",
"amoebae",
"vitamins",
"lungs",
"viruses",
"smoking"
] |
pathogens
|
Answer the following multiple-choice question.
Question: what has a negative impact on the body?
Options:
A. pathogens
B. electrons
C. smallpox
D. amoebae
E. vitamins
F. lungs
G. viruses
H. smoking
Which option is correct and why?
|
The correct answer is: pathogens.
|
Sea anemones
|
[
"look like flora",
"look like cars",
"look like bats",
"look like dogs"
] |
look like flora
|
Answer the following multiple-choice question.
Question: Sea anemones
Options:
A. look like flora
B. look like cars
C. look like bats
D. look like dogs
Which option is correct and why?
|
The correct answer is: look like flora.
|
What is the largest organelle in a eukaryotic cell?
|
[
"apoptosis",
"nucleus",
"epidermis",
"cortex"
] |
nucleus
|
Answer the following multiple-choice question.
Question: What is the largest organelle in a eukaryotic cell?
Options:
A. apoptosis
B. nucleus
C. epidermis
D. cortex
Which option is correct and why?
|
The correct answer is: nucleus.
|
In hornworts, the horns are the sporophytes that rise up from what?
|
[
"the roots",
"the breaza gametophyte",
"the leaflike gametophyte",
"the polyol gametophyte"
] |
the leaflike gametophyte
|
Answer the following multiple-choice question.
Question: In hornworts, the horns are the sporophytes that rise up from what?
Options:
A. the roots
B. the breaza gametophyte
C. the leaflike gametophyte
D. the polyol gametophyte
Which option is correct and why?
|
The correct answer is: the leaflike gametophyte.
|
What cools the skin?
|
[
"humidity",
"temperature",
"condensation",
"Solar energy",
"evaporation",
"vaporization",
"layers of fat",
"water vapor"
] |
evaporation
|
Answer the following multiple-choice question.
Question: What cools the skin?
Options:
A. humidity
B. temperature
C. condensation
D. Solar energy
E. evaporation
F. vaporization
G. layers of fat
H. water vapor
Which option is correct and why?
|
The correct answer is: evaporation.
|
Which changes the environment?
|
[
"backyard vegetable garden",
"television signals",
"vacuuming carpet",
"taking a nap"
] |
backyard vegetable garden
|
Answer the following multiple-choice question.
Question: Which changes the environment?
Options:
A. backyard vegetable garden
B. television signals
C. vacuuming carpet
D. taking a nap
Which option is correct and why?
|
The correct answer is: backyard vegetable garden.
|
What can cause evolution to occur?
|
[
"heat",
"viruses",
"alleles",
"pollen",
"Pesticides",
"extinction",
"A computer",
"animals"
] |
viruses
|
Answer the following multiple-choice question.
Question: What can cause evolution to occur?
Options:
A. heat
B. viruses
C. alleles
D. pollen
E. Pesticides
F. extinction
G. A computer
H. animals
Which option is correct and why?
|
The correct answer is: viruses.
|
How do prokaryotes reproduce?
|
[
"inorganically",
"unusually",
"asexually",
"sexually"
] |
asexually
|
Answer the following multiple-choice question.
Question: How do prokaryotes reproduce?
Options:
A. inorganically
B. unusually
C. asexually
D. sexually
Which option is correct and why?
|
The correct answer is: asexually.
|
Plants are grown where they are protected from what?
|
[
"the sky",
"disease",
"storms",
"cold air",
"the water",
"the warmth",
"sun's heat",
"the cold"
] |
the cold
|
Answer the following multiple-choice question.
Question: Plants are grown where they are protected from what?
Options:
A. the sky
B. disease
C. storms
D. cold air
E. the water
F. the warmth
G. sun's heat
H. the cold
Which option is correct and why?
|
The correct answer is: the cold.
|
A type of what in a cow's gut enables the animal to digest grass?
|
[
"algae",
"bacteria",
"pests",
"virus"
] |
bacteria
|
Answer the following multiple-choice question.
Question: A type of what in a cow's gut enables the animal to digest grass?
Options:
A. algae
B. bacteria
C. pests
D. virus
Which option is correct and why?
|
The correct answer is: bacteria.
|
if food has lack of immediate use for energy then it will
|
[
"be discarded immediately",
"kept for later",
"left to rot",
"be thrown up"
] |
kept for later
|
Answer the following multiple-choice question.
Question: if food has lack of immediate use for energy then it will
Options:
A. be discarded immediately
B. kept for later
C. left to rot
D. be thrown up
Which option is correct and why?
|
The correct answer is: kept for later.
|
What does gong's particles vibrating cause?
|
[
"particle explosion",
"friction",
"silence",
"ice forming",
"heat energy",
"Energy.",
"energy",
"resonance"
] |
resonance
|
Answer the following multiple-choice question.
Question: What does gong's particles vibrating cause?
Options:
A. particle explosion
B. friction
C. silence
D. ice forming
E. heat energy
F. Energy.
G. energy
H. resonance
Which option is correct and why?
|
The correct answer is: resonance.
|
What substance, involved in most biochemical reactions, is essential to life?
|
[
"carbon",
"water",
"air",
"nitrogen"
] |
water
|
Answer the following multiple-choice question.
Question: What substance, involved in most biochemical reactions, is essential to life?
Options:
A. carbon
B. water
C. air
D. nitrogen
Which option is correct and why?
|
The correct answer is: water.
|
Earth acts like a giant version of what device, with angular momentum along its axis and pointing at polaris, the north star?
|
[
"telescope",
"compass",
"accelerator",
"gyroscope"
] |
gyroscope
|
Answer the following multiple-choice question.
Question: Earth acts like a giant version of what device, with angular momentum along its axis and pointing at polaris, the north star?
Options:
A. telescope
B. compass
C. accelerator
D. gyroscope
Which option is correct and why?
|
The correct answer is: gyroscope.
|
Flashlights
|
[
"illuminate ideas and thoughts",
"illuminate answers to questions",
"illuminate pathways in an overgrown forest",
"illuminate bright sunny days"
] |
illuminate pathways in an overgrown forest
|
Answer the following multiple-choice question.
Question: Flashlights
Options:
A. illuminate ideas and thoughts
B. illuminate answers to questions
C. illuminate pathways in an overgrown forest
D. illuminate bright sunny days
Which option is correct and why?
|
The correct answer is: illuminate pathways in an overgrown forest.
|
What is a result when warm air advances on cold air?
|
[
"heat",
"dry air",
"blue skies",
"rain",
"storms",
"drought",
"Injury",
"force"
] |
rain
|
Answer the following multiple-choice question.
Question: What is a result when warm air advances on cold air?
Options:
A. heat
B. dry air
C. blue skies
D. rain
E. storms
F. drought
G. Injury
H. force
Which option is correct and why?
|
The correct answer is: rain.
|
What requires energy for survival?
|
[
"air",
"giraffes",
"rocks",
"sand"
] |
giraffes
|
Answer the following multiple-choice question.
Question: What requires energy for survival?
Options:
A. air
B. giraffes
C. rocks
D. sand
Which option is correct and why?
|
The correct answer is: giraffes.
|
The moon has a crust, mantle, and a?
|
[
"magnetic field",
"ice cap",
"mountain range",
"core"
] |
core
|
Answer the following multiple-choice question.
Question: The moon has a crust, mantle, and a?
Options:
A. magnetic field
B. ice cap
C. mountain range
D. core
Which option is correct and why?
|
The correct answer is: core.
|
Metals become what readily
|
[
"acid",
"evaporated",
"fats",
"zinc",
"penetrated",
"hot",
"permeable",
"rust"
] |
hot
|
Answer the following multiple-choice question.
Question: Metals become what readily
Options:
A. acid
B. evaporated
C. fats
D. zinc
E. penetrated
F. hot
G. permeable
H. rust
Which option is correct and why?
|
The correct answer is: hot.
|
For each initial glucose molecules, two pyruvate molecules will enter where?
|
[
"the plasma",
"the mitochondria",
"the nucleus",
"Golgi apparatus"
] |
the mitochondria
|
Answer the following multiple-choice question.
Question: For each initial glucose molecules, two pyruvate molecules will enter where?
Options:
A. the plasma
B. the mitochondria
C. the nucleus
D. Golgi apparatus
Which option is correct and why?
|
The correct answer is: the mitochondria.
|
What type of cells make up about one quarter of all white blood cells?
|
[
"erythrocytes",
"tumors",
"lymphocytes",
"Fat"
] |
lymphocytes
|
Answer the following multiple-choice question.
Question: What type of cells make up about one quarter of all white blood cells?
Options:
A. erythrocytes
B. tumors
C. lymphocytes
D. Fat
Which option is correct and why?
|
The correct answer is: lymphocytes.
|
A healing mineral has what impact on wounds?
|
[
"a positive",
"a hurtful",
"an increased",
"the skin",
"support",
"a negative",
"protect them",
"heat energy"
] |
a positive
|
Answer the following multiple-choice question.
Question: A healing mineral has what impact on wounds?
Options:
A. a positive
B. a hurtful
C. an increased
D. the skin
E. support
F. a negative
G. protect them
H. heat energy
Which option is correct and why?
|
The correct answer is: a positive.
|
How do autotrophs get food?
|
[
"Soak up from host cell",
"From Water",
"From Plant matter",
"make their own"
] |
make their own
|
Answer the following multiple-choice question.
Question: How do autotrophs get food?
Options:
A. Soak up from host cell
B. From Water
C. From Plant matter
D. make their own
Which option is correct and why?
|
The correct answer is: make their own.
|
null | null | null | null | null |
Which of these use a womb instead of eggs for fetal development?
|
[
"chickens",
"falcons",
"lemurs",
"hawks"
] |
lemurs
|
Answer the following multiple-choice question.
Question: Which of these use a womb instead of eggs for fetal development?
Options:
A. chickens
B. falcons
C. lemurs
D. hawks
Which option is correct and why?
|
The correct answer is: lemurs.
|
Which chemical element is the basis of all life on earth?
|
[
"carbon",
"hydrogen",
"oxygen",
"nitrogen"
] |
carbon
|
Answer the following multiple-choice question.
Question: Which chemical element is the basis of all life on earth?
Options:
A. carbon
B. hydrogen
C. oxygen
D. nitrogen
Which option is correct and why?
|
The correct answer is: carbon.
|
When a mirror reflects photons it creates
|
[
"an image",
"vibrations",
"sunlight",
"energy",
"heat energy",
"an object",
"motion",
"heat"
] |
an image
|
Answer the following multiple-choice question.
Question: When a mirror reflects photons it creates
Options:
A. an image
B. vibrations
C. sunlight
D. energy
E. heat energy
F. an object
G. motion
H. heat
Which option is correct and why?
|
The correct answer is: an image.
|
A successful combination of things is
|
[
"tomatoes and peppers",
"nylon and carpet",
"milk and honey",
"sand and socks"
] |
milk and honey
|
Answer the following multiple-choice question.
Question: A successful combination of things is
Options:
A. tomatoes and peppers
B. nylon and carpet
C. milk and honey
D. sand and socks
Which option is correct and why?
|
The correct answer is: milk and honey.
|
Where do most amphibians live, salt water or fresh water?
|
[
"fresh water",
"deserts",
"saltwater",
"aquariums"
] |
fresh water
|
Answer the following multiple-choice question.
Question: Where do most amphibians live, salt water or fresh water?
Options:
A. fresh water
B. deserts
C. saltwater
D. aquariums
Which option is correct and why?
|
The correct answer is: fresh water.
|
What is the name of an uncharged particle whose weight is nearly equal to that of a proton?
|
[
"electron",
"proton",
"a neutron",
"a nuclei"
] |
a neutron
|
Answer the following multiple-choice question.
Question: What is the name of an uncharged particle whose weight is nearly equal to that of a proton?
Options:
A. electron
B. proton
C. a neutron
D. a nuclei
Which option is correct and why?
|
The correct answer is: a neutron.
|
A change in temperature with distance is called a what?
|
[
"oxygen gradient",
"speed gradient",
"temperature gradient",
"solution gradient"
] |
temperature gradient
|
Answer the following multiple-choice question.
Question: A change in temperature with distance is called a what?
Options:
A. oxygen gradient
B. speed gradient
C. temperature gradient
D. solution gradient
Which option is correct and why?
|
The correct answer is: temperature gradient.
|
which of these would result in reversal of desertification?
|
[
"sowing a seed for each felled tree",
"cutting down as many trees as possible",
"taking all the water away from deserts",
"all of these"
] |
sowing a seed for each felled tree
|
Answer the following multiple-choice question.
Question: which of these would result in reversal of desertification?
Options:
A. sowing a seed for each felled tree
B. cutting down as many trees as possible
C. taking all the water away from deserts
D. all of these
Which option is correct and why?
|
The correct answer is: sowing a seed for each felled tree.
|
What do you call the patterns and groups of stars in the sky that ancient people observed and made stories about?
|
[
"asteroid fields",
"planets",
"constellations",
"meteors"
] |
constellations
|
Answer the following multiple-choice question.
Question: What do you call the patterns and groups of stars in the sky that ancient people observed and made stories about?
Options:
A. asteroid fields
B. planets
C. constellations
D. meteors
Which option is correct and why?
|
The correct answer is: constellations.
|
Because atoms are always electrically neutral, for each added proton, one of what is also added?
|
[
"quark",
"electron",
"ion",
"neutron"
] |
electron
|
Answer the following multiple-choice question.
Question: Because atoms are always electrically neutral, for each added proton, one of what is also added?
Options:
A. quark
B. electron
C. ion
D. neutron
Which option is correct and why?
|
The correct answer is: electron.
|
What produces gametes with different alleles?
|
[
"prokaryotes",
"chromatids",
"anthocyanins",
"heterozygotes"
] |
heterozygotes
|
Answer the following multiple-choice question.
Question: What produces gametes with different alleles?
Options:
A. prokaryotes
B. chromatids
C. anthocyanins
D. heterozygotes
Which option is correct and why?
|
The correct answer is: heterozygotes.
|
What are a class of tetrapod vertebrates that produce amniotic eggs called?
|
[
"amphibians",
"reptiles",
"insects",
"mammals"
] |
reptiles
|
Answer the following multiple-choice question.
Question: What are a class of tetrapod vertebrates that produce amniotic eggs called?
Options:
A. amphibians
B. reptiles
C. insects
D. mammals
Which option is correct and why?
|
The correct answer is: reptiles.
|
Different types of home heating systems all function by producing what type of energy?
|
[
"natural",
"thermal",
"distinct",
"electron"
] |
thermal
|
Answer the following multiple-choice question.
Question: Different types of home heating systems all function by producing what type of energy?
Options:
A. natural
B. thermal
C. distinct
D. electron
Which option is correct and why?
|
The correct answer is: thermal.
|
What warms the base of the mantle creating convection currents there?
|
[
"the hot regenerate",
"mantle soil",
"the hot core",
"molten lava"
] |
the hot core
|
Answer the following multiple-choice question.
Question: What warms the base of the mantle creating convection currents there?
Options:
A. the hot regenerate
B. mantle soil
C. the hot core
D. molten lava
Which option is correct and why?
|
The correct answer is: the hot core.
|
Oceans help control global warming by absorbing what?
|
[
"methane",
"ozone",
"carbon dioxide",
"hydrogen"
] |
carbon dioxide
|
Answer the following multiple-choice question.
Question: Oceans help control global warming by absorbing what?
Options:
A. methane
B. ozone
C. carbon dioxide
D. hydrogen
Which option is correct and why?
|
The correct answer is: carbon dioxide.
|
What did sir isaac newton's famous law help people understand?
|
[
"motion",
"gravity",
"radio waves",
"light"
] |
gravity
|
Answer the following multiple-choice question.
Question: What did sir isaac newton's famous law help people understand?
Options:
A. motion
B. gravity
C. radio waves
D. light
Which option is correct and why?
|
The correct answer is: gravity.
|
Amoebas have zero options and must preform
|
[
"zero duties",
"most duties",
"all responsibilities",
"some duties"
] |
all responsibilities
|
Answer the following multiple-choice question.
Question: Amoebas have zero options and must preform
Options:
A. zero duties
B. most duties
C. all responsibilities
D. some duties
Which option is correct and why?
|
The correct answer is: all responsibilities.
|
What kind of process is boiling?
|
[
"chemical",
"isothermal",
"spheroidal",
"cavitation"
] |
isothermal
|
Answer the following multiple-choice question.
Question: What kind of process is boiling?
Options:
A. chemical
B. isothermal
C. spheroidal
D. cavitation
Which option is correct and why?
|
The correct answer is: isothermal.
|
What are many chemical messengers that control body functions?
|
[
"gasses",
"photons",
"acetic acid",
"flames",
"heat or cold",
"chemical waste",
"proteins",
"sweating"
] |
proteins
|
Answer the following multiple-choice question.
Question: What are many chemical messengers that control body functions?
Options:
A. gasses
B. photons
C. acetic acid
D. flames
E. heat or cold
F. chemical waste
G. proteins
H. sweating
Which option is correct and why?
|
The correct answer is: proteins.
|
What occurs at joints?
|
[
"body movements",
"digestion",
"nothing",
"respiration"
] |
body movements
|
Answer the following multiple-choice question.
Question: What occurs at joints?
Options:
A. body movements
B. digestion
C. nothing
D. respiration
Which option is correct and why?
|
The correct answer is: body movements.
|
null | null | null | null | null |
Problems caused by mold spore in the body are treated by what kind of doctor?
|
[
"heterotrophs",
"by indirect light",
"critical organs",
"Deoxyribonucleicacid",
"Abnormal cell growth",
"Pulmonologists",
"electron microscope",
"one celled organisms"
] |
Pulmonologists
|
Answer the following multiple-choice question.
Question: Problems caused by mold spore in the body are treated by what kind of doctor?
Options:
A. heterotrophs
B. by indirect light
C. critical organs
D. Deoxyribonucleicacid
E. Abnormal cell growth
F. Pulmonologists
G. electron microscope
H. one celled organisms
Which option is correct and why?
|
The correct answer is: Pulmonologists.
|
What nullified the idea that all biological catalysts are proteins?
|
[
"discovery of enzymes",
"discovery of ribozymes",
"amino acid theory",
"discovery of metabolites"
] |
discovery of ribozymes
|
Answer the following multiple-choice question.
Question: What nullified the idea that all biological catalysts are proteins?
Options:
A. discovery of enzymes
B. discovery of ribozymes
C. amino acid theory
D. discovery of metabolites
Which option is correct and why?
|
The correct answer is: discovery of ribozymes.
|
what breathes with gills as larvae and lungs as adults?
|
[
"salamanders",
"animals",
"respiration",
"gastropod shells",
"fish",
"h2o",
"insects",
"it needs them"
] |
salamanders
|
Answer the following multiple-choice question.
Question: what breathes with gills as larvae and lungs as adults?
Options:
A. salamanders
B. animals
C. respiration
D. gastropod shells
E. fish
F. h2o
G. insects
H. it needs them
Which option is correct and why?
|
The correct answer is: salamanders.
|
what is formed by refraction of light by separating light into all different colors?
|
[
"reflection",
"an electron lens",
"chromatic dispersion",
"greenhouse gases",
"water condensation",
"deoxyribonucleic acid",
"Males and females",
"movement of tectonic plates"
] |
chromatic dispersion
|
Answer the following multiple-choice question.
Question: what is formed by refraction of light by separating light into all different colors?
Options:
A. reflection
B. an electron lens
C. chromatic dispersion
D. greenhouse gases
E. water condensation
F. deoxyribonucleic acid
G. Males and females
H. movement of tectonic plates
Which option is correct and why?
|
The correct answer is: chromatic dispersion.
|
Which type of natural disturbance in temperate grasslands, can be caused by a lightning strike?
|
[
"fire",
"avalanche",
"drought",
"mass extinction"
] |
fire
|
Answer the following multiple-choice question.
Question: Which type of natural disturbance in temperate grasslands, can be caused by a lightning strike?
Options:
A. fire
B. avalanche
C. drought
D. mass extinction
Which option is correct and why?
|
The correct answer is: fire.
|
The vertebrae are divided into the cervical region, the thoracic region, and which other region?
|
[
"central region",
"lumbar region",
"pelvic region",
"cylindrical region"
] |
lumbar region
|
Answer the following multiple-choice question.
Question: The vertebrae are divided into the cervical region, the thoracic region, and which other region?
Options:
A. central region
B. lumbar region
C. pelvic region
D. cylindrical region
Which option is correct and why?
|
The correct answer is: lumbar region.
|
When the number of active receptors falls below that threshold, what happens to the cellular response?
|
[
"it increases",
"it responds",
"it ceases",
"it stabilizes"
] |
it ceases
|
Answer the following multiple-choice question.
Question: When the number of active receptors falls below that threshold, what happens to the cellular response?
Options:
A. it increases
B. it responds
C. it ceases
D. it stabilizes
Which option is correct and why?
|
The correct answer is: it ceases.
|
What goes through different larval stages?
|
[
"octopuses",
"plants",
"sponges",
"crustaceans"
] |
crustaceans
|
Answer the following multiple-choice question.
Question: What goes through different larval stages?
Options:
A. octopuses
B. plants
C. sponges
D. crustaceans
Which option is correct and why?
|
The correct answer is: crustaceans.
|
Linked genes are located on the same what?
|
[
"chromosome",
"nucleolus",
"genome",
"bacterium"
] |
chromosome
|
Answer the following multiple-choice question.
Question: Linked genes are located on the same what?
Options:
A. chromosome
B. nucleolus
C. genome
D. bacterium
Which option is correct and why?
|
The correct answer is: chromosome.
|
A method of heating a building might be what?
|
[
"dangerous",
"Blizzards",
"Heated arguments",
"threatened",
"major threat to health",
"Direct sunlight.",
"Mothballs",
"slow and inefficient"
] |
Direct sunlight.
|
Answer the following multiple-choice question.
Question: A method of heating a building might be what?
Options:
A. dangerous
B. Blizzards
C. Heated arguments
D. threatened
E. major threat to health
F. Direct sunlight.
G. Mothballs
H. slow and inefficient
Which option is correct and why?
|
The correct answer is: Direct sunlight..
|
Is the heat of reaction positive or negative for an endothermic reaction?
|
[
"Neither",
"Negative",
"Both",
"positive"
] |
positive
|
Answer the following multiple-choice question.
Question: Is the heat of reaction positive or negative for an endothermic reaction?
Options:
A. Neither
B. Negative
C. Both
D. positive
Which option is correct and why?
|
The correct answer is: positive.
|
In which supergroup are red algae and green algae included?
|
[
"archaeplastida",
"xerophyte",
"troglodyte",
"spirogyra"
] |
archaeplastida
|
Answer the following multiple-choice question.
Question: In which supergroup are red algae and green algae included?
Options:
A. archaeplastida
B. xerophyte
C. troglodyte
D. spirogyra
Which option is correct and why?
|
The correct answer is: archaeplastida.
|
What will increase the amount of heat that is transferred from the body?
|
[
"shivering",
"Evaporation",
"exercise",
"warm environments",
"wearing a hat",
"Movement",
"dehydration",
"sweating"
] |
sweating
|
Answer the following multiple-choice question.
Question: What will increase the amount of heat that is transferred from the body?
Options:
A. shivering
B. Evaporation
C. exercise
D. warm environments
E. wearing a hat
F. Movement
G. dehydration
H. sweating
Which option is correct and why?
|
The correct answer is: sweating.
|
What attracts bees to the flower?
|
[
"seeds",
"orchids",
"other bees",
"butterflies",
"thorns",
"heat",
"petals",
"pollen"
] |
petals
|
Answer the following multiple-choice question.
Question: What attracts bees to the flower?
Options:
A. seeds
B. orchids
C. other bees
D. butterflies
E. thorns
F. heat
G. petals
H. pollen
Which option is correct and why?
|
The correct answer is: petals.
|
A tiny daffodil is next to a large carnation. Bees looking for nectar will swarm
|
[
"the daffodil",
"a stick",
"a rock",
"the carnation"
] |
the carnation
|
Answer the following multiple-choice question.
Question: A tiny daffodil is next to a large carnation. Bees looking for nectar will swarm
Options:
A. the daffodil
B. a stick
C. a rock
D. the carnation
Which option is correct and why?
|
The correct answer is: the carnation.
|
Speed takes distance and what else into account?
|
[
"energy",
"matter",
"time",
"gravity"
] |
time
|
Answer the following multiple-choice question.
Question: Speed takes distance and what else into account?
Options:
A. energy
B. matter
C. time
D. gravity
Which option is correct and why?
|
The correct answer is: time.
|
What is the measure of kinetic energy of the particles in matter?
|
[
"energy",
"precipitation",
"temperature",
"friction"
] |
temperature
|
Answer the following multiple-choice question.
Question: What is the measure of kinetic energy of the particles in matter?
Options:
A. energy
B. precipitation
C. temperature
D. friction
Which option is correct and why?
|
The correct answer is: temperature.
|
What do male dogs use in urine to mark their territory?
|
[
"Natural aphrodisiacs",
"competing for resources",
"Tails",
"Urine cleaner",
"Something coming from a gland",
"Chemical energy",
"an area swollen with pus",
"Chew toys"
] |
Natural aphrodisiacs
|
Answer the following multiple-choice question.
Question: What do male dogs use in urine to mark their territory?
Options:
A. Natural aphrodisiacs
B. competing for resources
C. Tails
D. Urine cleaner
E. Something coming from a gland
F. Chemical energy
G. an area swollen with pus
H. Chew toys
Which option is correct and why?
|
The correct answer is: Natural aphrodisiacs.
|
What do the muscles of the gastrointestinal tract do?
|
[
"secrete stomach acid",
"keep food moving",
"break down food",
"stop digestion"
] |
keep food moving
|
Answer the following multiple-choice question.
Question: What do the muscles of the gastrointestinal tract do?
Options:
A. secrete stomach acid
B. keep food moving
C. break down food
D. stop digestion
Which option is correct and why?
|
The correct answer is: keep food moving.
|
What requires nutrients to grow?
|
[
"birds",
"metals",
"computers",
"dirt"
] |
birds
|
Answer the following multiple-choice question.
Question: What requires nutrients to grow?
Options:
A. birds
B. metals
C. computers
D. dirt
Which option is correct and why?
|
The correct answer is: birds.
|
Many corals secrete what to form a coral reef?
|
[
"Chlorophyll",
"salt and water.",
"The area was once underwater",
"Chemical energy",
"aqueous solution",
"Organic compounds",
"gastropod shells",
"hard outer covering"
] |
hard outer covering
|
Answer the following multiple-choice question.
Question: Many corals secrete what to form a coral reef?
Options:
A. Chlorophyll
B. salt and water.
C. The area was once underwater
D. Chemical energy
E. aqueous solution
F. Organic compounds
G. gastropod shells
H. hard outer covering
Which option is correct and why?
|
The correct answer is: hard outer covering.
|
What die quickly if their oxygen supply is cut off?
|
[
"neurons",
"insects",
"viruses",
"parasites",
"rocks",
"humans",
"dirt",
"mammals"
] |
neurons
|
Answer the following multiple-choice question.
Question: What die quickly if their oxygen supply is cut off?
Options:
A. neurons
B. insects
C. viruses
D. parasites
E. rocks
F. humans
G. dirt
H. mammals
Which option is correct and why?
|
The correct answer is: neurons.
|
Plants and fish oils contain
|
[
"fish oils exist in plants",
"plants and fish oils are same",
"plants produce fish oil",
"fatty acids",
"chemicals",
"hydrocarbons",
"share properties",
"Energy"
] |
fatty acids
|
Answer the following multiple-choice question.
Question: Plants and fish oils contain
Options:
A. fish oils exist in plants
B. plants and fish oils are same
C. plants produce fish oil
D. fatty acids
E. chemicals
F. hydrocarbons
G. share properties
H. Energy
Which option is correct and why?
|
The correct answer is: fatty acids.
|
Alerting devices inform a person when they convert electrical energy into what
|
[
"sound",
"batteries",
"air",
"heat",
"energy",
"action",
"photons",
"waves"
] |
sound
|
Answer the following multiple-choice question.
Question: Alerting devices inform a person when they convert electrical energy into what
Options:
A. sound
B. batteries
C. air
D. heat
E. energy
F. action
G. photons
H. waves
Which option is correct and why?
|
The correct answer is: sound.
|
What change can you expect in vectors that are perpendicular to each other?
|
[
"Molecular Reaction",
"Large Effect",
"no effect",
"Chemical reaction"
] |
no effect
|
Answer the following multiple-choice question.
Question: What change can you expect in vectors that are perpendicular to each other?
Options:
A. Molecular Reaction
B. Large Effect
C. no effect
D. Chemical reaction
Which option is correct and why?
|
The correct answer is: no effect.
|
What is a wall of rocks or concrete called?
|
[
"foot",
"knee",
"groin",
"ankle"
] |
groin
|
Answer the following multiple-choice question.
Question: What is a wall of rocks or concrete called?
Options:
A. foot
B. knee
C. groin
D. ankle
Which option is correct and why?
|
The correct answer is: groin.
|
A flashlight needs electricity to produce what?
|
[
"stay warm",
"movement",
"waves",
"an object",
"Decibels",
"energy",
"improve",
"warmth"
] |
energy
|
Answer the following multiple-choice question.
Question: A flashlight needs electricity to produce what?
Options:
A. stay warm
B. movement
C. waves
D. an object
E. Decibels
F. energy
G. improve
H. warmth
Which option is correct and why?
|
The correct answer is: energy.
|
A rod that is wobbling from being struck with a stick will
|
[
"be sold",
"be silent",
"be audible",
"be frozen"
] |
be audible
|
Answer the following multiple-choice question.
Question: A rod that is wobbling from being struck with a stick will
Options:
A. be sold
B. be silent
C. be audible
D. be frozen
Which option is correct and why?
|
The correct answer is: be audible.
|
Sphenodontia sphenodontia (“wedge tooth”) arose in the mesozoic era and includes only one of what?
|
[
"outside genus",
"inner genus",
"traveling genus",
"living genus"
] |
living genus
|
Answer the following multiple-choice question.
Question: Sphenodontia sphenodontia (“wedge tooth”) arose in the mesozoic era and includes only one of what?
Options:
A. outside genus
B. inner genus
C. traveling genus
D. living genus
Which option is correct and why?
|
The correct answer is: living genus.
|
What is the name of the disorder of the arteries in which cholesterol and other materials are deposited on the interior of the arterial wall?
|
[
"anemia",
"arthritis",
"atherosclerosis",
"paralysis"
] |
atherosclerosis
|
Answer the following multiple-choice question.
Question: What is the name of the disorder of the arteries in which cholesterol and other materials are deposited on the interior of the arterial wall?
Options:
A. anemia
B. arthritis
C. atherosclerosis
D. paralysis
Which option is correct and why?
|
The correct answer is: atherosclerosis.
|
Out of the four ways that allele frequencies of a population can be changed, which way is caused by individuals leaving or joining the population?
|
[
"Allopatric speciation",
"spontaneous mutation",
"gene flow",
"mass extinction"
] |
gene flow
|
Answer the following multiple-choice question.
Question: Out of the four ways that allele frequencies of a population can be changed, which way is caused by individuals leaving or joining the population?
Options:
A. Allopatric speciation
B. spontaneous mutation
C. gene flow
D. mass extinction
Which option is correct and why?
|
The correct answer is: gene flow.
|
To discover how durable a certain mineral may be, one could
|
[
"crush it in a vise",
"view the atomic weight of it",
"attempt to leave a mark on it",
"melt it down and pour"
] |
attempt to leave a mark on it
|
Answer the following multiple-choice question.
Question: To discover how durable a certain mineral may be, one could
Options:
A. crush it in a vise
B. view the atomic weight of it
C. attempt to leave a mark on it
D. melt it down and pour
Which option is correct and why?
|
The correct answer is: attempt to leave a mark on it.
|
What rocks are formed by deposition?
|
[
"Sand dollars",
"soft soil",
"jury",
"sandstone",
"coral reefs",
"In sediment",
"lawyer",
"basalt"
] |
sandstone
|
Answer the following multiple-choice question.
Question: What rocks are formed by deposition?
Options:
A. Sand dollars
B. soft soil
C. jury
D. sandstone
E. coral reefs
F. In sediment
G. lawyer
H. basalt
Which option is correct and why?
|
The correct answer is: sandstone.
|
What is the scientific term for the amount of light reflected by a surface?
|
[
"albedo",
"inversion",
"prism",
"reactivity"
] |
albedo
|
Answer the following multiple-choice question.
Question: What is the scientific term for the amount of light reflected by a surface?
Options:
A. albedo
B. inversion
C. prism
D. reactivity
Which option is correct and why?
|
The correct answer is: albedo.
|
During what type of reproduction do two haploid gametes join in the process of fertilization to produce a diploid zygote?
|
[
"internal reproduction",
"asexual reproduction",
"sexual reproduction",
"essential reproduction"
] |
sexual reproduction
|
Answer the following multiple-choice question.
Question: During what type of reproduction do two haploid gametes join in the process of fertilization to produce a diploid zygote?
Options:
A. internal reproduction
B. asexual reproduction
C. sexual reproduction
D. essential reproduction
Which option is correct and why?
|
The correct answer is: sexual reproduction.
|
Some birds are pollinators that co-evolved with what other type of organism?
|
[
"animals",
"humans",
"vegetation",
"producers",
"parasites",
"warm-blooded",
"Conifers",
"mammals"
] |
producers
|
Answer the following multiple-choice question.
Question: Some birds are pollinators that co-evolved with what other type of organism?
Options:
A. animals
B. humans
C. vegetation
D. producers
E. parasites
F. warm-blooded
G. Conifers
H. mammals
Which option is correct and why?
|
The correct answer is: producers.
|
What kind of competition often leads to extinction because the species that is less well adapted gets fewer of the resources that both species need?
|
[
"parasitism",
"intraspecific competition",
"mutualism",
"interspecific competition"
] |
interspecific competition
|
Answer the following multiple-choice question.
Question: What kind of competition often leads to extinction because the species that is less well adapted gets fewer of the resources that both species need?
Options:
A. parasitism
B. intraspecific competition
C. mutualism
D. interspecific competition
Which option is correct and why?
|
The correct answer is: interspecific competition.
|
What is the term for the gases that surround a planet?
|
[
"biosphere",
"hemisphere",
"galaxy",
"the atmosphere"
] |
the atmosphere
|
Answer the following multiple-choice question.
Question: What is the term for the gases that surround a planet?
Options:
A. biosphere
B. hemisphere
C. galaxy
D. the atmosphere
Which option is correct and why?
|
The correct answer is: the atmosphere.
|
Creep, which usually takes place where the ground freezes and thaws frequently, involves movement of particles due to what force?
|
[
"gravity",
"normal",
"friction",
"wind"
] |
gravity
|
Answer the following multiple-choice question.
Question: Creep, which usually takes place where the ground freezes and thaws frequently, involves movement of particles due to what force?
Options:
A. gravity
B. normal
C. friction
D. wind
Which option is correct and why?
|
The correct answer is: gravity.
|
When an electrical circuit is working properly, what charge runs through that circuit
|
[
"light",
"energy",
"metal",
"electric",
"positive",
"passive",
"heat",
"heat energy"
] |
electric
|
Answer the following multiple-choice question.
Question: When an electrical circuit is working properly, what charge runs through that circuit
Options:
A. light
B. energy
C. metal
D. electric
E. positive
F. passive
G. heat
H. heat energy
Which option is correct and why?
|
The correct answer is: electric.
|
Saturated hydrocarbons get their name because they are saturated with what atoms?
|
[
"nitrogen",
"helium",
"oxygen",
"hydrogen"
] |
hydrogen
|
Answer the following multiple-choice question.
Question: Saturated hydrocarbons get their name because they are saturated with what atoms?
Options:
A. nitrogen
B. helium
C. oxygen
D. hydrogen
Which option is correct and why?
|
The correct answer is: hydrogen.
|
Amphibians are ectothermic vertebrates that divide their time between freshwater and what else?
|
[
"saltwater",
"terrestrial habitats",
"deserts",
"arboreal habitats"
] |
terrestrial habitats
|
Answer the following multiple-choice question.
Question: Amphibians are ectothermic vertebrates that divide their time between freshwater and what else?
Options:
A. saltwater
B. terrestrial habitats
C. deserts
D. arboreal habitats
Which option is correct and why?
|
The correct answer is: terrestrial habitats.
|
A person takes a page out of a book and crumples it, so the page is
|
[
"flat",
"smooth",
"torn",
"round"
] |
round
|
Answer the following multiple-choice question.
Question: A person takes a page out of a book and crumples it, so the page is
Options:
A. flat
B. smooth
C. torn
D. round
Which option is correct and why?
|
The correct answer is: round.
|
One arctic animal, the polar bear may spend their time doing what
|
[
"racing",
"swimming",
"creating",
"reading"
] |
swimming
|
Answer the following multiple-choice question.
Question: One arctic animal, the polar bear may spend their time doing what
Options:
A. racing
B. swimming
C. creating
D. reading
Which option is correct and why?
|
The correct answer is: swimming.
|
What is the set of steps that scientists use to learn about the world?
|
[
"rhythm method",
"philosophic method",
"scientific method",
"Socratic method"
] |
scientific method
|
Answer the following multiple-choice question.
Question: What is the set of steps that scientists use to learn about the world?
Options:
A. rhythm method
B. philosophic method
C. scientific method
D. Socratic method
Which option is correct and why?
|
The correct answer is: scientific method.
|
Minerals that are not compounds consist of a single what?
|
[
"proton",
"element",
"gas",
"electron"
] |
element
|
Answer the following multiple-choice question.
Question: Minerals that are not compounds consist of a single what?
Options:
A. proton
B. element
C. gas
D. electron
Which option is correct and why?
|
The correct answer is: element.
|
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