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|---|---|---|---|---|
What kinds of neutron stars emit radiation in pulses?
|
[
"red giants",
"quasars",
"dwarf stars",
"pulsars"
] |
pulsars
|
Answer the following multiple-choice question.
Question: What kinds of neutron stars emit radiation in pulses?
Options:
A. red giants
B. quasars
C. dwarf stars
D. pulsars
Which option is correct and why?
|
The correct answer is: pulsars.
|
What requires sunlight in order to take over an area?
|
[
"spores",
"fish",
"plants",
"humans",
"pods",
"Oak",
"opossums",
"coral"
] |
plants
|
Answer the following multiple-choice question.
Question: What requires sunlight in order to take over an area?
Options:
A. spores
B. fish
C. plants
D. humans
E. pods
F. Oak
G. opossums
H. coral
Which option is correct and why?
|
The correct answer is: plants.
|
Some of the small moons of saturn are found within what features distinctive to the planet?
|
[
"craters of saturn",
"crest of saturn",
"rings of saturn",
"interior of saturn"
] |
rings of saturn
|
Answer the following multiple-choice question.
Question: Some of the small moons of saturn are found within what features distinctive to the planet?
Options:
A. craters of saturn
B. crest of saturn
C. rings of saturn
D. interior of saturn
Which option is correct and why?
|
The correct answer is: rings of saturn.
|
What type of salts are secreted into the small intestine to aid in the digestion of fats?
|
[
"bile",
"zinc",
"sodium",
"Table Salt"
] |
bile
|
Answer the following multiple-choice question.
Question: What type of salts are secreted into the small intestine to aid in the digestion of fats?
Options:
A. bile
B. zinc
C. sodium
D. Table Salt
Which option is correct and why?
|
The correct answer is: bile.
|
Genes are inherited together if they are located on the same what?
|
[
"the eyes",
"chromosome",
"cell",
"gene",
"pollen",
"sensory neurons",
"DNA",
"Most plants"
] |
chromosome
|
Answer the following multiple-choice question.
Question: Genes are inherited together if they are located on the same what?
Options:
A. the eyes
B. chromosome
C. cell
D. gene
E. pollen
F. sensory neurons
G. DNA
H. Most plants
Which option is correct and why?
|
The correct answer is: chromosome.
|
What can be dangerous?
|
[
"dreaming",
"rabies",
"music",
"mines",
"force",
"toxins",
"words",
"viruses"
] |
force
|
Answer the following multiple-choice question.
Question: What can be dangerous?
Options:
A. dreaming
B. rabies
C. music
D. mines
E. force
F. toxins
G. words
H. viruses
Which option is correct and why?
|
The correct answer is: force.
|
Plant-like protists are commonly called what?
|
[
"algae",
"seaweed",
"sponge",
"fungus"
] |
algae
|
Answer the following multiple-choice question.
Question: Plant-like protists are commonly called what?
Options:
A. algae
B. seaweed
C. sponge
D. fungus
Which option is correct and why?
|
The correct answer is: algae.
|
null | null | null | null | null |
Plants can reproduce sexually and in which other way?
|
[
"asexually",
"horizontally",
"spontaneously",
"genetically"
] |
asexually
|
Answer the following multiple-choice question.
Question: Plants can reproduce sexually and in which other way?
Options:
A. asexually
B. horizontally
C. spontaneously
D. genetically
Which option is correct and why?
|
The correct answer is: asexually.
|
Ocean acidification results from the ocean absorbing what gas from the atmosphere?
|
[
"carbon dioxide",
"nitrogen",
"oxygen",
"hydrogen"
] |
carbon dioxide
|
Answer the following multiple-choice question.
Question: Ocean acidification results from the ocean absorbing what gas from the atmosphere?
Options:
A. carbon dioxide
B. nitrogen
C. oxygen
D. hydrogen
Which option is correct and why?
|
The correct answer is: carbon dioxide.
|
What object can be used to create a rainbow?
|
[
"power",
"refracted",
"the sun",
"arc",
"lenses",
"flowers",
"prism",
"leprechauns"
] |
prism
|
Answer the following multiple-choice question.
Question: What object can be used to create a rainbow?
Options:
A. power
B. refracted
C. the sun
D. arc
E. lenses
F. flowers
G. prism
H. leprechauns
Which option is correct and why?
|
The correct answer is: prism.
|
Mineral graphite could be found in places such as
|
[
"happy kittens",
"pink candles",
"wild oats",
"office supplies"
] |
office supplies
|
Answer the following multiple-choice question.
Question: Mineral graphite could be found in places such as
Options:
A. happy kittens
B. pink candles
C. wild oats
D. office supplies
Which option is correct and why?
|
The correct answer is: office supplies.
|
Which infection of multicellular eukaryotes is usually limited to particular tissues?
|
[
"digestive",
"bacterial",
"parasites",
"viral"
] |
viral
|
Answer the following multiple-choice question.
Question: Which infection of multicellular eukaryotes is usually limited to particular tissues?
Options:
A. digestive
B. bacterial
C. parasites
D. viral
Which option is correct and why?
|
The correct answer is: viral.
|
The physical sciences can be divided into physics and what other science?
|
[
"chemistry",
"astrology",
"phsycology",
"biology"
] |
chemistry
|
Answer the following multiple-choice question.
Question: The physical sciences can be divided into physics and what other science?
Options:
A. chemistry
B. astrology
C. phsycology
D. biology
Which option is correct and why?
|
The correct answer is: chemistry.
|
What force explains why objects may float in water?
|
[
"buoyant force",
"cool force",
"gravity force",
"warm force"
] |
buoyant force
|
Answer the following multiple-choice question.
Question: What force explains why objects may float in water?
Options:
A. buoyant force
B. cool force
C. gravity force
D. warm force
Which option is correct and why?
|
The correct answer is: buoyant force.
|
Plants live just about everywhere within our planet's what?
|
[
"crust",
"solar system",
"state",
"the environment",
"atmosphere",
"moon",
"solar energy",
"vegetation"
] |
atmosphere
|
Answer the following multiple-choice question.
Question: Plants live just about everywhere within our planet's what?
Options:
A. crust
B. solar system
C. state
D. the environment
E. atmosphere
F. moon
G. solar energy
H. vegetation
Which option is correct and why?
|
The correct answer is: atmosphere.
|
Exposure to toxins is most damaging during weeks 4 through 8 of the embryonic stage due to development of what during this period?
|
[
"samples",
"faith",
"pain",
"organs"
] |
organs
|
Answer the following multiple-choice question.
Question: Exposure to toxins is most damaging during weeks 4 through 8 of the embryonic stage due to development of what during this period?
Options:
A. samples
B. faith
C. pain
D. organs
Which option is correct and why?
|
The correct answer is: organs.
|
The speed of a wave is a product of its wavelength and what else?
|
[
"voltage",
"magnitude",
"density",
"frequency"
] |
frequency
|
Answer the following multiple-choice question.
Question: The speed of a wave is a product of its wavelength and what else?
Options:
A. voltage
B. magnitude
C. density
D. frequency
Which option is correct and why?
|
The correct answer is: frequency.
|
Radiation can be absorbed or shielded by materials, particularly what material used to make protective aprons worn by x-ray administrators?
|
[
"cotton",
"carbon",
"steel",
"lead"
] |
lead
|
Answer the following multiple-choice question.
Question: Radiation can be absorbed or shielded by materials, particularly what material used to make protective aprons worn by x-ray administrators?
Options:
A. cotton
B. carbon
C. steel
D. lead
Which option is correct and why?
|
The correct answer is: lead.
|
What does photosynthesis change light energy into?
|
[
"radiation energy",
"carbon energy",
"chemical energy",
"electrical energy"
] |
chemical energy
|
Answer the following multiple-choice question.
Question: What does photosynthesis change light energy into?
Options:
A. radiation energy
B. carbon energy
C. chemical energy
D. electrical energy
Which option is correct and why?
|
The correct answer is: chemical energy.
|
If an electric current passes through water, water molecules break down into molecules of what?
|
[
"hydrogen and carbon",
"carbon and oxygen",
"hydrogen and oxygen",
"oxygen and methane"
] |
hydrogen and oxygen
|
Answer the following multiple-choice question.
Question: If an electric current passes through water, water molecules break down into molecules of what?
Options:
A. hydrogen and carbon
B. carbon and oxygen
C. hydrogen and oxygen
D. oxygen and methane
Which option is correct and why?
|
The correct answer is: hydrogen and oxygen.
|
What two planets is the asteroid belt found between?
|
[
"Jupiter and Saturn",
"mars and jupiter",
"Jupiter and Earth",
"Mars and Earth"
] |
mars and jupiter
|
Answer the following multiple-choice question.
Question: What two planets is the asteroid belt found between?
Options:
A. Jupiter and Saturn
B. mars and jupiter
C. Jupiter and Earth
D. Mars and Earth
Which option is correct and why?
|
The correct answer is: mars and jupiter.
|
Slime molds can produce
|
[
"Localized damage",
"methane gas",
"bioaerosols",
"Chemical energy",
"reproduce",
"massive damage",
"heat energy",
"Greenhouse gases"
] |
methane gas
|
Answer the following multiple-choice question.
Question: Slime molds can produce
Options:
A. Localized damage
B. methane gas
C. bioaerosols
D. Chemical energy
E. reproduce
F. massive damage
G. heat energy
H. Greenhouse gases
Which option is correct and why?
|
The correct answer is: methane gas.
|
Switches can be used to cease electronic energy flow, such as when
|
[
"a button is pushed and a fan stops spinning",
"a fridge is running loudly",
"a freezer turns off in a power outage",
"a light is turned on"
] |
a button is pushed and a fan stops spinning
|
Answer the following multiple-choice question.
Question: Switches can be used to cease electronic energy flow, such as when
Options:
A. a button is pushed and a fan stops spinning
B. a fridge is running loudly
C. a freezer turns off in a power outage
D. a light is turned on
Which option is correct and why?
|
The correct answer is: a button is pushed and a fan stops spinning.
|
What purpose does a plant light serve?
|
[
"Comfort them",
"replicate sunlight",
"Protect from bugs",
"Keep plants warm"
] |
replicate sunlight
|
Answer the following multiple-choice question.
Question: What purpose does a plant light serve?
Options:
A. Comfort them
B. replicate sunlight
C. Protect from bugs
D. Keep plants warm
Which option is correct and why?
|
The correct answer is: replicate sunlight.
|
if weather is stormy then there is a greater chance of
|
[
"everything getting wet",
"naps",
"lottery wins",
"lunch"
] |
everything getting wet
|
Answer the following multiple-choice question.
Question: if weather is stormy then there is a greater chance of
Options:
A. everything getting wet
B. naps
C. lottery wins
D. lunch
Which option is correct and why?
|
The correct answer is: everything getting wet.
|
What is the only thing that can change an asteroid?
|
[
"a situation",
"weather",
"a wind",
"a collision"
] |
a collision
|
Answer the following multiple-choice question.
Question: What is the only thing that can change an asteroid?
Options:
A. a situation
B. weather
C. a wind
D. a collision
Which option is correct and why?
|
The correct answer is: a collision.
|
what can cause death?
|
[
"weathering",
"chemicals",
"Cars",
"respiration",
"viruses",
"flooding",
"digestion",
"Pesticides"
] |
viruses
|
Answer the following multiple-choice question.
Question: what can cause death?
Options:
A. weathering
B. chemicals
C. Cars
D. respiration
E. viruses
F. flooding
G. digestion
H. Pesticides
Which option is correct and why?
|
The correct answer is: viruses.
|
Once classified as plants, fungi have chitin rather than cellulose in what cell structures?
|
[
"platelets",
"cell walls",
"mitochondria",
"cell ridges"
] |
cell walls
|
Answer the following multiple-choice question.
Question: Once classified as plants, fungi have chitin rather than cellulose in what cell structures?
Options:
A. platelets
B. cell walls
C. mitochondria
D. cell ridges
Which option is correct and why?
|
The correct answer is: cell walls.
|
what do organellescontain?
|
[
"Energy",
"honeybees",
"sensory neurons",
"matter vibrating",
"aerobic capacity",
"bioaerosols",
"alveoli",
"chlorophyll"
] |
chlorophyll
|
Answer the following multiple-choice question.
Question: what do organellescontain?
Options:
A. Energy
B. honeybees
C. sensory neurons
D. matter vibrating
E. aerobic capacity
F. bioaerosols
G. alveoli
H. chlorophyll
Which option is correct and why?
|
The correct answer is: chlorophyll.
|
What is caused by human actions that releases chemical substances and particles into the air?
|
[
"heavy pollution",
"Improper Emissions",
"CFO pollution",
"air pollution"
] |
air pollution
|
Answer the following multiple-choice question.
Question: What is caused by human actions that releases chemical substances and particles into the air?
Options:
A. heavy pollution
B. Improper Emissions
C. CFO pollution
D. air pollution
Which option is correct and why?
|
The correct answer is: air pollution.
|
G2 and s are phases in what process that is important in cell division?
|
[
"osmosis",
"mitosis",
"cytokinesis",
"tissues"
] |
mitosis
|
Answer the following multiple-choice question.
Question: G2 and s are phases in what process that is important in cell division?
Options:
A. osmosis
B. mitosis
C. cytokinesis
D. tissues
Which option is correct and why?
|
The correct answer is: mitosis.
|
What is the name for a material that prevents the transfer of heat energy?
|
[
"thermal insulator",
"structure insulator",
"physical insulator",
"thermal condenser"
] |
thermal insulator
|
Answer the following multiple-choice question.
Question: What is the name for a material that prevents the transfer of heat energy?
Options:
A. thermal insulator
B. structure insulator
C. physical insulator
D. thermal condenser
Which option is correct and why?
|
The correct answer is: thermal insulator.
|
Under a microscope, salt crystals are what shape?
|
[
"circles",
"triangles",
"cubes",
"squares"
] |
cubes
|
Answer the following multiple-choice question.
Question: Under a microscope, salt crystals are what shape?
Options:
A. circles
B. triangles
C. cubes
D. squares
Which option is correct and why?
|
The correct answer is: cubes.
|
What phenomenon has severe consequences on both natural and man-made objects, including killing trees and degrading marble statues?
|
[
"natural rain",
"oxygen rain",
"acid rain",
"carbon rain"
] |
acid rain
|
Answer the following multiple-choice question.
Question: What phenomenon has severe consequences on both natural and man-made objects, including killing trees and degrading marble statues?
Options:
A. natural rain
B. oxygen rain
C. acid rain
D. carbon rain
Which option is correct and why?
|
The correct answer is: acid rain.
|
what appear within animals that have a backbone?
|
[
"animals without backbones",
"nerves",
"californium",
"otters",
"muscle",
"jaws",
"Birds",
"fingernails"
] |
jaws
|
Answer the following multiple-choice question.
Question: what appear within animals that have a backbone?
Options:
A. animals without backbones
B. nerves
C. californium
D. otters
E. muscle
F. jaws
G. Birds
H. fingernails
Which option is correct and why?
|
The correct answer is: jaws.
|
Chemical and solar cells are devices that change chemical or light energy to what?
|
[
"cellular",
"electrical energy",
"temperature energy",
"occurring energy"
] |
electrical energy
|
Answer the following multiple-choice question.
Question: Chemical and solar cells are devices that change chemical or light energy to what?
Options:
A. cellular
B. electrical energy
C. temperature energy
D. occurring energy
Which option is correct and why?
|
The correct answer is: electrical energy.
|
the young of monotremes are
|
[
"hatched",
"babies",
"fertile",
"warm",
"white",
"older than their parents",
"born without a backbone",
"always stillborn"
] |
hatched
|
Answer the following multiple-choice question.
Question: the young of monotremes are
Options:
A. hatched
B. babies
C. fertile
D. warm
E. white
F. older than their parents
G. born without a backbone
H. always stillborn
Which option is correct and why?
|
The correct answer is: hatched.
|
What kind of animal lives in most terrestrial, freshwater and marine habitats?
|
[
"animals",
"swimming",
"snails",
"tortoises",
"barnacles",
"swea",
"protected",
"a fish"
] |
snails
|
Answer the following multiple-choice question.
Question: What kind of animal lives in most terrestrial, freshwater and marine habitats?
Options:
A. animals
B. swimming
C. snails
D. tortoises
E. barnacles
F. swea
G. protected
H. a fish
Which option is correct and why?
|
The correct answer is: snails.
|
What is the force that causes objects to fall down to the ground?
|
[
"gravity",
"motion",
"velocity",
"pull"
] |
gravity
|
Answer the following multiple-choice question.
Question: What is the force that causes objects to fall down to the ground?
Options:
A. gravity
B. motion
C. velocity
D. pull
Which option is correct and why?
|
The correct answer is: gravity.
|
what can negatively impact a species?
|
[
"chemicals",
"elephant",
"cells",
"dog",
"drought",
"mines",
"steroids",
"amoeba"
] |
amoeba
|
Answer the following multiple-choice question.
Question: what can negatively impact a species?
Options:
A. chemicals
B. elephant
C. cells
D. dog
E. drought
F. mines
G. steroids
H. amoeba
Which option is correct and why?
|
The correct answer is: amoeba.
|
what may live in large colonies?
|
[
"bats",
"density",
"Birds",
"snakes",
"ants",
"acids",
"Wasps",
"bees"
] |
ants
|
Answer the following multiple-choice question.
Question: what may live in large colonies?
Options:
A. bats
B. density
C. Birds
D. snakes
E. ants
F. acids
G. Wasps
H. bees
Which option is correct and why?
|
The correct answer is: ants.
|
What is hurt when the environment changes from green to brown?
|
[
"animals",
"oceans",
"humans",
"forests",
"bushes",
"people",
"water",
"space"
] |
forests
|
Answer the following multiple-choice question.
Question: What is hurt when the environment changes from green to brown?
Options:
A. animals
B. oceans
C. humans
D. forests
E. bushes
F. people
G. water
H. space
Which option is correct and why?
|
The correct answer is: forests.
|
As ph increases what happens to a solution?
|
[
"stays the same",
"becomes more basic",
"becomes less basic",
"depends on the solution"
] |
becomes more basic
|
Answer the following multiple-choice question.
Question: As ph increases what happens to a solution?
Options:
A. stays the same
B. becomes more basic
C. becomes less basic
D. depends on the solution
Which option is correct and why?
|
The correct answer is: becomes more basic.
|
What weathers rocks?
|
[
"soil",
"streams",
"a delta",
"calcite",
"erosion",
"water",
"grass",
"the sun"
] |
water
|
Answer the following multiple-choice question.
Question: What weathers rocks?
Options:
A. soil
B. streams
C. a delta
D. calcite
E. erosion
F. water
G. grass
H. the sun
Which option is correct and why?
|
The correct answer is: water.
|
What does hemoglobin in blood carry to the cells?
|
[
"oxygen",
"nitrogen",
"methane",
"carbon dioxide"
] |
oxygen
|
Answer the following multiple-choice question.
Question: What does hemoglobin in blood carry to the cells?
Options:
A. oxygen
B. nitrogen
C. methane
D. carbon dioxide
Which option is correct and why?
|
The correct answer is: oxygen.
|
what does hydrogen bonds cause to expand when it freezes?
|
[
"oxygen",
"atomic bombs",
"rain",
"NaCl",
"H20",
"lake",
"hydrogen",
"h2o"
] |
h2o
|
Answer the following multiple-choice question.
Question: what does hydrogen bonds cause to expand when it freezes?
Options:
A. oxygen
B. atomic bombs
C. rain
D. NaCl
E. H20
F. lake
G. hydrogen
H. h2o
Which option is correct and why?
|
The correct answer is: h2o.
|
What is the sum of the masses of the atoms in a molecule?
|
[
"mass effect",
"compound mass",
"atomic energy",
"molecular mass"
] |
molecular mass
|
Answer the following multiple-choice question.
Question: What is the sum of the masses of the atoms in a molecule?
Options:
A. mass effect
B. compound mass
C. atomic energy
D. molecular mass
Which option is correct and why?
|
The correct answer is: molecular mass.
|
Electronegativity is a qualitative measure of how much an atom attracts what in a covalent bond?
|
[
"electrons",
"protons",
"isotopes",
"neutrons"
] |
electrons
|
Answer the following multiple-choice question.
Question: Electronegativity is a qualitative measure of how much an atom attracts what in a covalent bond?
Options:
A. electrons
B. protons
C. isotopes
D. neutrons
Which option is correct and why?
|
The correct answer is: electrons.
|
How does the magnetic field produced by a current in a wire move?
|
[
"in concentric circles",
"intermittently",
"slowly",
"counterclockwise"
] |
in concentric circles
|
Answer the following multiple-choice question.
Question: How does the magnetic field produced by a current in a wire move?
Options:
A. in concentric circles
B. intermittently
C. slowly
D. counterclockwise
Which option is correct and why?
|
The correct answer is: in concentric circles.
|
What is often a result of untreated atherosclerosis?
|
[
"heart disease",
"seizures",
"cancer",
"a heart attack or stroke"
] |
a heart attack or stroke
|
Answer the following multiple-choice question.
Question: What is often a result of untreated atherosclerosis?
Options:
A. heart disease
B. seizures
C. cancer
D. a heart attack or stroke
Which option is correct and why?
|
The correct answer is: a heart attack or stroke.
|
Why does a snake look for shelter in the winter?
|
[
"Protection",
"Food",
"adding heat",
"Water",
"When it's cold",
"Darkness",
"energy barrier",
"hydration"
] |
Protection
|
Answer the following multiple-choice question.
Question: Why does a snake look for shelter in the winter?
Options:
A. Protection
B. Food
C. adding heat
D. Water
E. When it's cold
F. Darkness
G. energy barrier
H. hydration
Which option is correct and why?
|
The correct answer is: Protection.
|
The motor thus acts as a generator whenever its coil does what?
|
[
"stops",
"rotates",
"oscillates",
"revolves"
] |
rotates
|
Answer the following multiple-choice question.
Question: The motor thus acts as a generator whenever its coil does what?
Options:
A. stops
B. rotates
C. oscillates
D. revolves
Which option is correct and why?
|
The correct answer is: rotates.
|
Root systems are mainly of two types. dicots have a tap root system, while monocots have a what?
|
[
"runner root system",
"long root system",
"attaching root system",
"fibrous root system"
] |
fibrous root system
|
Answer the following multiple-choice question.
Question: Root systems are mainly of two types. dicots have a tap root system, while monocots have a what?
Options:
A. runner root system
B. long root system
C. attaching root system
D. fibrous root system
Which option is correct and why?
|
The correct answer is: fibrous root system.
|
What affects the respiratory and circulatory systems in the body?
|
[
"HIV",
"sulfur",
"smog",
"stress",
"fever",
"sweat",
"heat",
"tar"
] |
smog
|
Answer the following multiple-choice question.
Question: What affects the respiratory and circulatory systems in the body?
Options:
A. HIV
B. sulfur
C. smog
D. stress
E. fever
F. sweat
G. heat
H. tar
Which option is correct and why?
|
The correct answer is: smog.
|
What does interspecific competition between species often lead to?
|
[
"symbiosis",
"immigration",
"evolution",
"extinction"
] |
extinction
|
Answer the following multiple-choice question.
Question: What does interspecific competition between species often lead to?
Options:
A. symbiosis
B. immigration
C. evolution
D. extinction
Which option is correct and why?
|
The correct answer is: extinction.
|
What is connected to, and dependent on, the gametophyte?
|
[
"the zygote",
"the sperm",
"the sporophyte",
"the chromosomes"
] |
the sporophyte
|
Answer the following multiple-choice question.
Question: What is connected to, and dependent on, the gametophyte?
Options:
A. the zygote
B. the sperm
C. the sporophyte
D. the chromosomes
Which option is correct and why?
|
The correct answer is: the sporophyte.
|
What does a squids circulatory system pump?
|
[
"Mucus",
"Air",
"Water",
"Energy",
"Blood",
"Energy.",
"heat",
"oxygen"
] |
Blood
|
Answer the following multiple-choice question.
Question: What does a squids circulatory system pump?
Options:
A. Mucus
B. Air
C. Water
D. Energy
E. Blood
F. Energy.
G. heat
H. oxygen
Which option is correct and why?
|
The correct answer is: Blood.
|
The sun and many other light sources produce waves that are randomly this?
|
[
"obfuscated",
"polarized",
"colored",
"amplified"
] |
polarized
|
Answer the following multiple-choice question.
Question: The sun and many other light sources produce waves that are randomly this?
Options:
A. obfuscated
B. polarized
C. colored
D. amplified
Which option is correct and why?
|
The correct answer is: polarized.
|
Humans use many compounds that were first discovered or derived from living organisms as medicines: secondary plant compounds, animal toxins, and antibiotics produced by these?
|
[
"tumors and fungi",
"bacteria and fungi",
"bacteria and tumors",
"molecules and fungi"
] |
bacteria and fungi
|
Answer the following multiple-choice question.
Question: Humans use many compounds that were first discovered or derived from living organisms as medicines: secondary plant compounds, animal toxins, and antibiotics produced by these?
Options:
A. tumors and fungi
B. bacteria and fungi
C. bacteria and tumors
D. molecules and fungi
Which option is correct and why?
|
The correct answer is: bacteria and fungi.
|
You wake up north of the equator, and you notice the sunrise happening earlier than yesterday and later than the day after, what day could it be
|
[
"Feb. 21",
"Dec. 21",
"Sep. 31",
"May 21"
] |
Dec. 21
|
Answer the following multiple-choice question.
Question: You wake up north of the equator, and you notice the sunrise happening earlier than yesterday and later than the day after, what day could it be
Options:
A. Feb. 21
B. Dec. 21
C. Sep. 31
D. May 21
Which option is correct and why?
|
The correct answer is: Dec. 21.
|
Fertilization is the union of a sperm and egg, resulting in the formation of what?
|
[
"a bacteriophage",
"a zygote",
"a cytoplasm",
"a nuclei"
] |
a zygote
|
Answer the following multiple-choice question.
Question: Fertilization is the union of a sperm and egg, resulting in the formation of what?
Options:
A. a bacteriophage
B. a zygote
C. a cytoplasm
D. a nuclei
Which option is correct and why?
|
The correct answer is: a zygote.
|
The human heart is located within what cavity?
|
[
"thoracic",
"pelvic",
"abdominal",
"spinal"
] |
thoracic
|
Answer the following multiple-choice question.
Question: The human heart is located within what cavity?
Options:
A. thoracic
B. pelvic
C. abdominal
D. spinal
Which option is correct and why?
|
The correct answer is: thoracic.
|
In multicellular organisms, only mutations in cell lines that produce gametes can be passed to what?
|
[
"proteins",
"cells",
"offspring",
"clones"
] |
offspring
|
Answer the following multiple-choice question.
Question: In multicellular organisms, only mutations in cell lines that produce gametes can be passed to what?
Options:
A. proteins
B. cells
C. offspring
D. clones
Which option is correct and why?
|
The correct answer is: offspring.
|
What is the thin coat of phospholipids that surrounds the cell and controls what enters and leaves?
|
[
"plasma",
"blood",
"cell membrane",
"myelin"
] |
cell membrane
|
Answer the following multiple-choice question.
Question: What is the thin coat of phospholipids that surrounds the cell and controls what enters and leaves?
Options:
A. plasma
B. blood
C. cell membrane
D. myelin
Which option is correct and why?
|
The correct answer is: cell membrane.
|
Sickle cell disease is caused by production of an abnormal type of what?
|
[
"leukocyte",
"fat globule",
"hemoglobin",
"thrombocyte"
] |
hemoglobin
|
Answer the following multiple-choice question.
Question: Sickle cell disease is caused by production of an abnormal type of what?
Options:
A. leukocyte
B. fat globule
C. hemoglobin
D. thrombocyte
Which option is correct and why?
|
The correct answer is: hemoglobin.
|
Hotter blood is rarely found
|
[
"in horny toads",
"in rats",
"in humans",
"in bears"
] |
in horny toads
|
Answer the following multiple-choice question.
Question: Hotter blood is rarely found
Options:
A. in horny toads
B. in rats
C. in humans
D. in bears
Which option is correct and why?
|
The correct answer is: in horny toads.
|
What against the seed coat causes a root to emerge from a seed?
|
[
"warmth",
"calcite",
"lipids",
"an ion",
"fibrous",
"waves",
"heat",
"acidity"
] |
waves
|
Answer the following multiple-choice question.
Question: What against the seed coat causes a root to emerge from a seed?
Options:
A. warmth
B. calcite
C. lipids
D. an ion
E. fibrous
F. waves
G. heat
H. acidity
Which option is correct and why?
|
The correct answer is: waves.
|
What do many mollusks secrete for their protection?
|
[
"microscopic shell",
"calcareous shell",
"mucus",
"sedimentation shell"
] |
calcareous shell
|
Answer the following multiple-choice question.
Question: What do many mollusks secrete for their protection?
Options:
A. microscopic shell
B. calcareous shell
C. mucus
D. sedimentation shell
Which option is correct and why?
|
The correct answer is: calcareous shell.
|
If you wanted the visual effect of being closer to something without moving, what would you use?
|
[
"An old spyglass",
"Squinting your eyes",
"A large mirror",
"Some good sunglasses"
] |
An old spyglass
|
Answer the following multiple-choice question.
Question: If you wanted the visual effect of being closer to something without moving, what would you use?
Options:
A. An old spyglass
B. Squinting your eyes
C. A large mirror
D. Some good sunglasses
Which option is correct and why?
|
The correct answer is: An old spyglass.
|
How do some octopus hide?
|
[
"using clear ink to spread smell",
"hiding in dark, inky caves",
"expelling dark fluid for cover",
"using ink to paint camouflage"
] |
expelling dark fluid for cover
|
Answer the following multiple-choice question.
Question: How do some octopus hide?
Options:
A. using clear ink to spread smell
B. hiding in dark, inky caves
C. expelling dark fluid for cover
D. using ink to paint camouflage
Which option is correct and why?
|
The correct answer is: expelling dark fluid for cover.
|
Macroevolution occurs how above the level of the species.
|
[
"swiftly",
"slowly",
"quickly",
"forces",
"never",
"ferns",
"animals",
"three"
] |
slowly
|
Answer the following multiple-choice question.
Question: Macroevolution occurs how above the level of the species.
Options:
A. swiftly
B. slowly
C. quickly
D. forces
E. never
F. ferns
G. animals
H. three
Which option is correct and why?
|
The correct answer is: slowly.
|
Cephalochordates have a notochord and nerve cord but not a?
|
[
"digestive system",
"nervous system",
"brain",
"backbone"
] |
backbone
|
Answer the following multiple-choice question.
Question: Cephalochordates have a notochord and nerve cord but not a?
Options:
A. digestive system
B. nervous system
C. brain
D. backbone
Which option is correct and why?
|
The correct answer is: backbone.
|
Where do corals form large colonies?
|
[
"Mars",
"new World",
"Sediment",
"shoreline",
"environment",
"Absorb light",
"loose soil",
"polyps"
] |
shoreline
|
Answer the following multiple-choice question.
Question: Where do corals form large colonies?
Options:
A. Mars
B. new World
C. Sediment
D. shoreline
E. environment
F. Absorb light
G. loose soil
H. polyps
Which option is correct and why?
|
The correct answer is: shoreline.
|
what will move to another area if their habitat will no longer support them?
|
[
"density",
"Birds",
"squids",
"humans",
"clouds",
"gravity",
"cows",
"Whales"
] |
cows
|
Answer the following multiple-choice question.
Question: what will move to another area if their habitat will no longer support them?
Options:
A. density
B. Birds
C. squids
D. humans
E. clouds
F. gravity
G. cows
H. Whales
Which option is correct and why?
|
The correct answer is: cows.
|
What births live young?
|
[
"a feathered animal with a beak",
"a tail having tree dweller",
"a modern sport utility vehicle",
"a planet close to the sun"
] |
a tail having tree dweller
|
Answer the following multiple-choice question.
Question: What births live young?
Options:
A. a feathered animal with a beak
B. a tail having tree dweller
C. a modern sport utility vehicle
D. a planet close to the sun
Which option is correct and why?
|
The correct answer is: a tail having tree dweller.
|
Scientists are experimenting to develop microbes that can live off surplus electricity and CO2 to produce
|
[
"organic products, such as methane, acetate and butanol as economic biofuels",
"less electricity and more CO2",
"solar energy and biofuels in the laboratory",
"fewer biofuels like butanol and less CO2"
] |
organic products, such as methane, acetate and butanol as economic biofuels
|
Answer the following multiple-choice question.
Question: Scientists are experimenting to develop microbes that can live off surplus electricity and CO2 to produce
Options:
A. organic products, such as methane, acetate and butanol as economic biofuels
B. less electricity and more CO2
C. solar energy and biofuels in the laboratory
D. fewer biofuels like butanol and less CO2
Which option is correct and why?
|
The correct answer is: organic products, such as methane, acetate and butanol as economic biofuels.
|
What type of compounds make up the cells and tissues of organisms?
|
[
"hormonal compounds",
"productive compounds",
"biochemical compounds",
"organic compounds"
] |
biochemical compounds
|
Answer the following multiple-choice question.
Question: What type of compounds make up the cells and tissues of organisms?
Options:
A. hormonal compounds
B. productive compounds
C. biochemical compounds
D. organic compounds
Which option is correct and why?
|
The correct answer is: biochemical compounds.
|
If citrate accumulates in mitochondria, some of it passes into where and inhibits phosphofructokinase?
|
[
"Golgi apparatus",
"epidermis",
"cytosol",
"pores"
] |
cytosol
|
Answer the following multiple-choice question.
Question: If citrate accumulates in mitochondria, some of it passes into where and inhibits phosphofructokinase?
Options:
A. Golgi apparatus
B. epidermis
C. cytosol
D. pores
Which option is correct and why?
|
The correct answer is: cytosol.
|
Cans can be taken to a place known as
|
[
"the ocean",
"scrap yard",
"shot with BBs",
"buried"
] |
scrap yard
|
Answer the following multiple-choice question.
Question: Cans can be taken to a place known as
Options:
A. the ocean
B. scrap yard
C. shot with BBs
D. buried
Which option is correct and why?
|
The correct answer is: scrap yard.
|
If energy is conducted to an object what will happen to that object?
|
[
"they will move to another area",
"that object will get cold",
"Temperature changing",
"that object will get smaller",
"Earth revolving around the sun",
"that object will lose energy",
"enormous damage to homes",
"that object will get hot"
] |
that object will get hot
|
Answer the following multiple-choice question.
Question: If energy is conducted to an object what will happen to that object?
Options:
A. they will move to another area
B. that object will get cold
C. Temperature changing
D. that object will get smaller
E. Earth revolving around the sun
F. that object will lose energy
G. enormous damage to homes
H. that object will get hot
Which option is correct and why?
|
The correct answer is: that object will get hot.
|
Where does organism development start?
|
[
"loose soil",
"housing",
"oceans",
"swamp vegetation",
"Plants growth",
"food",
"female organs",
"dry conditions"
] |
female organs
|
Answer the following multiple-choice question.
Question: Where does organism development start?
Options:
A. loose soil
B. housing
C. oceans
D. swamp vegetation
E. Plants growth
F. food
G. female organs
H. dry conditions
Which option is correct and why?
|
The correct answer is: female organs.
|
Amphibians with what are more advanced than fish?
|
[
"four eyes",
"sensory neurons",
"rapid expansion",
"layers of fat",
"four limbs",
"kinetic energy",
"tails",
"many limbs"
] |
four limbs
|
Answer the following multiple-choice question.
Question: Amphibians with what are more advanced than fish?
Options:
A. four eyes
B. sensory neurons
C. rapid expansion
D. layers of fat
E. four limbs
F. kinetic energy
G. tails
H. many limbs
Which option is correct and why?
|
The correct answer is: four limbs.
|
What uses unsaturated fatty acids to store energy?
|
[
"algae",
"humans",
"Trees",
"oaks",
"shrews",
"asses",
"Cane.",
"fens"
] |
oaks
|
Answer the following multiple-choice question.
Question: What uses unsaturated fatty acids to store energy?
Options:
A. algae
B. humans
C. Trees
D. oaks
E. shrews
F. asses
G. Cane.
H. fens
Which option is correct and why?
|
The correct answer is: oaks.
|
An echo is produced by what type of reflection of sound source?
|
[
"Direct",
"Distant",
"Varied",
"Single"
] |
Single
|
Answer the following multiple-choice question.
Question: An echo is produced by what type of reflection of sound source?
Options:
A. Direct
B. Distant
C. Varied
D. Single
Which option is correct and why?
|
The correct answer is: Single.
|
Which is the ultimate energy source in a bear's food chain?
|
[
"plants",
"decomposers",
"heat",
"sun"
] |
sun
|
Answer the following multiple-choice question.
Question: Which is the ultimate energy source in a bear's food chain?
Options:
A. plants
B. decomposers
C. heat
D. sun
Which option is correct and why?
|
The correct answer is: sun.
|
Animals require air, water, and what in order to live and survive?
|
[
"mates",
"time",
"shade",
"food?"
] |
food?
|
Answer the following multiple-choice question.
Question: Animals require air, water, and what in order to live and survive?
Options:
A. mates
B. time
C. shade
D. food?
Which option is correct and why?
|
The correct answer is: food?.
|
Where does a pan usually heat meals?
|
[
"started",
"Winter",
"homes",
"made",
"Sun",
"oil",
"cooled",
"stove"
] |
stove
|
Answer the following multiple-choice question.
Question: Where does a pan usually heat meals?
Options:
A. started
B. Winter
C. homes
D. made
E. Sun
F. oil
G. cooled
H. stove
Which option is correct and why?
|
The correct answer is: stove.
|
What term describes a wave in which particles of the medium vibrate at right angles, or perpendicular, to the direction that the wave travels?
|
[
"stimulation wave",
"drainage wave",
"transverse wave",
"symmetrical wave"
] |
transverse wave
|
Answer the following multiple-choice question.
Question: What term describes a wave in which particles of the medium vibrate at right angles, or perpendicular, to the direction that the wave travels?
Options:
A. stimulation wave
B. drainage wave
C. transverse wave
D. symmetrical wave
Which option is correct and why?
|
The correct answer is: transverse wave.
|
As rabbits in a county die off, foxes will
|
[
"live longer",
"boom in population",
"do the same",
"eat trees"
] |
do the same
|
Answer the following multiple-choice question.
Question: As rabbits in a county die off, foxes will
Options:
A. live longer
B. boom in population
C. do the same
D. eat trees
Which option is correct and why?
|
The correct answer is: do the same.
|
What can be used to see cells?
|
[
"microscopes",
"A computer",
"mirrors",
"cell walls",
"barometers",
"binoculars",
"scattered light",
"flashlights"
] |
microscopes
|
Answer the following multiple-choice question.
Question: What can be used to see cells?
Options:
A. microscopes
B. A computer
C. mirrors
D. cell walls
E. barometers
F. binoculars
G. scattered light
H. flashlights
Which option is correct and why?
|
The correct answer is: microscopes.
|
Tissues of marine bony fishes gain what from their surroundings?
|
[
"excess salts",
"mercury",
"toxins",
"absorb salts"
] |
excess salts
|
Answer the following multiple-choice question.
Question: Tissues of marine bony fishes gain what from their surroundings?
Options:
A. excess salts
B. mercury
C. toxins
D. absorb salts
Which option is correct and why?
|
The correct answer is: excess salts.
|
Plants, fungi, bacteria and archaea cells all have what feature that keeps them rigid that animal cells do not have?
|
[
"cytoplasm",
"cell membrane",
"cell walls",
"plastids"
] |
cell walls
|
Answer the following multiple-choice question.
Question: Plants, fungi, bacteria and archaea cells all have what feature that keeps them rigid that animal cells do not have?
Options:
A. cytoplasm
B. cell membrane
C. cell walls
D. plastids
Which option is correct and why?
|
The correct answer is: cell walls.
|
What can frogs, toads and salamanders use to smell and taste chemicals?
|
[
"sense organs",
"Chemical energy",
"matter vibrating",
"larynx",
"Organic compounds",
"ocular organs",
"gills",
"harmful substances"
] |
sense organs
|
Answer the following multiple-choice question.
Question: What can frogs, toads and salamanders use to smell and taste chemicals?
Options:
A. sense organs
B. Chemical energy
C. matter vibrating
D. larynx
E. Organic compounds
F. ocular organs
G. gills
H. harmful substances
Which option is correct and why?
|
The correct answer is: sense organs.
|
What is a major change that happens in menopause?
|
[
"forest is destroyed",
"breasts develop",
"Plant growth is reduced",
"direct damage to the lungs",
"pubic bones expand",
"menstruation begins",
"menstruation stops",
"decreases its bodily water"
] |
menstruation stops
|
Answer the following multiple-choice question.
Question: What is a major change that happens in menopause?
Options:
A. forest is destroyed
B. breasts develop
C. Plant growth is reduced
D. direct damage to the lungs
E. pubic bones expand
F. menstruation begins
G. menstruation stops
H. decreases its bodily water
Which option is correct and why?
|
The correct answer is: menstruation stops.
|
What kind of organisms are prokaryotes?
|
[
"multicellular organisms",
"single-celled",
"viral",
"single - flagellated"
] |
single-celled
|
Answer the following multiple-choice question.
Question: What kind of organisms are prokaryotes?
Options:
A. multicellular organisms
B. single-celled
C. viral
D. single - flagellated
Which option is correct and why?
|
The correct answer is: single-celled.
|
Algae are like plants mainly because they contain what?
|
[
"cell wall",
"chloroplasts",
"cells",
"organelles"
] |
chloroplasts
|
Answer the following multiple-choice question.
Question: Algae are like plants mainly because they contain what?
Options:
A. cell wall
B. chloroplasts
C. cells
D. organelles
Which option is correct and why?
|
The correct answer is: chloroplasts.
|
null | null | null | null | null |
Found in cord blood and other sources, what kind of cells hold the promise of renewing and repairing body tissues?
|
[
"white blood cells",
"stem cells",
"neurons",
"red blood cells"
] |
stem cells
|
Answer the following multiple-choice question.
Question: Found in cord blood and other sources, what kind of cells hold the promise of renewing and repairing body tissues?
Options:
A. white blood cells
B. stem cells
C. neurons
D. red blood cells
Which option is correct and why?
|
The correct answer is: stem cells.
|
Which three colors are called the primary colors of light?
|
[
"black, white, red",
"blue, green, violet",
"red, green, blue",
"red, blue, yellow"
] |
red, green, blue
|
Answer the following multiple-choice question.
Question: Which three colors are called the primary colors of light?
Options:
A. black, white, red
B. blue, green, violet
C. red, green, blue
D. red, blue, yellow
Which option is correct and why?
|
The correct answer is: red, green, blue.
|
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