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|---|---|---|---|---|---|
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.
|
D
|
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.
|
A
|
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.
|
B
|
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.
|
D
|
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.
|
C
|
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.
|
D
|
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.
|
C
|
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.
|
E
|
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.
|
B
|
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.
|
B
|
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.
|
B
|
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.
|
B
|
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.
|
A
|
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.
|
C
|
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.
|
C
|
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.
|
C
|
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.
|
A
|
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.
|
A
|
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.
|
B
|
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.
|
A
|
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.
|
C
|
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.
|
B
|
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.
|
D
|
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.
|
D
|
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.
|
A
|
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.
|
B
|
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.
|
A
|
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.
|
C
|
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.
|
C
|
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.
|
B
|
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.
|
A
|
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.
|
A
|
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.
|
E
|
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.
|
D
|
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.
|
D
|
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.
|
D
|
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?.
|
D
|
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.
|
A
|
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.
|
C
|
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.
|
C
|
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.
|
A
|
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.
|
A
|
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.
|
C
|
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.
|
A
|
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.
|
A
|
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.
|
B
|
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.
|
B
|
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.
|
B
|
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.
|
C
|
insulated material can be used to prevent wasting a lot of what?
|
[
"sunny days",
"body heat",
"body water",
"heat energy",
"contained areas",
"electricity",
"fever sweats",
"power"
] |
body heat
|
Answer the following multiple-choice question.
Question: insulated material can be used to prevent wasting a lot of what?
Options:
A. sunny days
B. body heat
C. body water
D. heat energy
E. contained areas
F. electricity
G. fever sweats
H. power
Which option is correct and why?
|
The correct answer is: body heat.
|
B
|
What system of organs delivers blood to all cells of the body?
|
[
"gastrointestinal",
"respiratory",
"integumentary",
"cardiovascular"
] |
cardiovascular
|
Answer the following multiple-choice question.
Question: What system of organs delivers blood to all cells of the body?
Options:
A. gastrointestinal
B. respiratory
C. integumentary
D. cardiovascular
Which option is correct and why?
|
The correct answer is: cardiovascular.
|
D
|
For a star to form, what force pulls gas and dust into the center of the nebula?
|
[
"motion",
"weight",
"centrifugal force",
"gravity"
] |
gravity
|
Answer the following multiple-choice question.
Question: For a star to form, what force pulls gas and dust into the center of the nebula?
Options:
A. motion
B. weight
C. centrifugal force
D. gravity
Which option is correct and why?
|
The correct answer is: gravity.
|
D
|
What is the term for physicians and scientists who research and develop vaccines and treat and study conditions ranging from allergies to aids?
|
[
"endocrinologists",
"immunologists",
"vaccinologists",
"virologists"
] |
immunologists
|
Answer the following multiple-choice question.
Question: What is the term for physicians and scientists who research and develop vaccines and treat and study conditions ranging from allergies to aids?
Options:
A. endocrinologists
B. immunologists
C. vaccinologists
D. virologists
Which option is correct and why?
|
The correct answer is: immunologists.
|
B
|
what has tectonic plates?
|
[
"San Francisco",
"outer space",
"atmosphere",
"h2o",
"coral reefs",
"humans disturb it",
"Physical weathering",
"threatened"
] |
San Francisco
|
Answer the following multiple-choice question.
Question: what has tectonic plates?
Options:
A. San Francisco
B. outer space
C. atmosphere
D. h2o
E. coral reefs
F. humans disturb it
G. Physical weathering
H. threatened
Which option is correct and why?
|
The correct answer is: San Francisco.
|
A
|
A radiator is something that can
|
[
"recycle water from the toilet",
"propel a rocket to the moon",
"keep a room comfortable",
"filter water from the tap"
] |
keep a room comfortable
|
Answer the following multiple-choice question.
Question: A radiator is something that can
Options:
A. recycle water from the toilet
B. propel a rocket to the moon
C. keep a room comfortable
D. filter water from the tap
Which option is correct and why?
|
The correct answer is: keep a room comfortable.
|
C
|
What can be found inside a cell?
|
[
"ovum",
"DNA",
"gene",
"soil",
"liver",
"cell wall",
"RNA",
"p53"
] |
DNA
|
Answer the following multiple-choice question.
Question: What can be found inside a cell?
Options:
A. ovum
B. DNA
C. gene
D. soil
E. liver
F. cell wall
G. RNA
H. p53
Which option is correct and why?
|
The correct answer is: DNA.
|
B
|
The appendicular skeleton is made up of all bones of the upper and lower what?
|
[
"limbs",
"digestive tract",
"organs",
"hemispheres"
] |
limbs
|
Answer the following multiple-choice question.
Question: The appendicular skeleton is made up of all bones of the upper and lower what?
Options:
A. limbs
B. digestive tract
C. organs
D. hemispheres
Which option is correct and why?
|
The correct answer is: limbs.
|
A
|
How many types of mechanical waves are there?
|
[
"nine",
"three",
"one",
"five"
] |
three
|
Answer the following multiple-choice question.
Question: How many types of mechanical waves are there?
Options:
A. nine
B. three
C. one
D. five
Which option is correct and why?
|
The correct answer is: three.
|
B
|
A natural resource that is consumed or used up faster than it can be made by nature is termed what?
|
[
"fossil fuel",
"energy-inefficient",
"non-renewable",
"renewable"
] |
non-renewable
|
Answer the following multiple-choice question.
Question: A natural resource that is consumed or used up faster than it can be made by nature is termed what?
Options:
A. fossil fuel
B. energy-inefficient
C. non-renewable
D. renewable
Which option is correct and why?
|
The correct answer is: non-renewable.
|
C
|
Precipitation is when hail fall from clouds to the ground, and so is
|
[
"sprinkles",
"water",
"frost",
"clouds"
] |
sprinkles
|
Answer the following multiple-choice question.
Question: Precipitation is when hail fall from clouds to the ground, and so is
Options:
A. sprinkles
B. water
C. frost
D. clouds
Which option is correct and why?
|
The correct answer is: sprinkles.
|
A
|
What is a homogeneous mixture also known as?
|
[
"element",
"structure",
"mixture",
"solution"
] |
solution
|
Answer the following multiple-choice question.
Question: What is a homogeneous mixture also known as?
Options:
A. element
B. structure
C. mixture
D. solution
Which option is correct and why?
|
The correct answer is: solution.
|
D
|
To create paper you will first have to acquire a supply of
|
[
"stardust",
"sand",
"pens",
"pulp"
] |
pulp
|
Answer the following multiple-choice question.
Question: To create paper you will first have to acquire a supply of
Options:
A. stardust
B. sand
C. pens
D. pulp
Which option is correct and why?
|
The correct answer is: pulp.
|
D
|
Consuming from an aluminium container, a human is likely enjoying
|
[
"a melted down liver enzyme",
"a strange liquid metal",
"a makeshift type of pasta",
"a crisp beverage with cold bubbles streaming throughout it"
] |
a crisp beverage with cold bubbles streaming throughout it
|
Answer the following multiple-choice question.
Question: Consuming from an aluminium container, a human is likely enjoying
Options:
A. a melted down liver enzyme
B. a strange liquid metal
C. a makeshift type of pasta
D. a crisp beverage with cold bubbles streaming throughout it
Which option is correct and why?
|
The correct answer is: a crisp beverage with cold bubbles streaming throughout it.
|
D
|
What are numerous in plant cells?
|
[
"soil",
"bacteria",
"flowers",
"glucose",
"calories",
"hydrocarbons",
"Chemical energy",
"eukyarotes"
] |
eukyarotes
|
Answer the following multiple-choice question.
Question: What are numerous in plant cells?
Options:
A. soil
B. bacteria
C. flowers
D. glucose
E. calories
F. hydrocarbons
G. Chemical energy
H. eukyarotes
Which option is correct and why?
|
The correct answer is: eukyarotes.
|
A
|
A lot of animals would avoid
|
[
"piles of discarded diapers",
"freshly off the grill steak",
"flowers that have just bloomed",
"pools of clear, clean water"
] |
piles of discarded diapers
|
Answer the following multiple-choice question.
Question: A lot of animals would avoid
Options:
A. piles of discarded diapers
B. freshly off the grill steak
C. flowers that have just bloomed
D. pools of clear, clean water
Which option is correct and why?
|
The correct answer is: piles of discarded diapers.
|
A
|
Luster, malleability, ductility, and conductivity are all properties of which kind of material?
|
[
"ores",
"nonmetals",
"wood",
"metals"
] |
metals
|
Answer the following multiple-choice question.
Question: Luster, malleability, ductility, and conductivity are all properties of which kind of material?
Options:
A. ores
B. nonmetals
C. wood
D. metals
Which option is correct and why?
|
The correct answer is: metals.
|
D
|
In what area of the body are sutural bones found?
|
[
"skull",
"legs",
"tooth",
"skin"
] |
skull
|
Answer the following multiple-choice question.
Question: In what area of the body are sutural bones found?
Options:
A. skull
B. legs
C. tooth
D. skin
Which option is correct and why?
|
The correct answer is: skull.
|
A
|
What is it called when the soils of the arctic tundra remain in a perennially frozen state?
|
[
"permafreeze",
"concentrated freeze",
"glacial domination",
"permafrost"
] |
permafrost
|
Answer the following multiple-choice question.
Question: What is it called when the soils of the arctic tundra remain in a perennially frozen state?
Options:
A. permafreeze
B. concentrated freeze
C. glacial domination
D. permafrost
Which option is correct and why?
|
The correct answer is: permafrost.
|
D
|
What happens inside the single egg embedded inside the prothallus
|
[
"Earth revolving around the sun",
"The area was once underwater",
"gastropod shells",
"it keeps an organism warm",
"remains of prehistoric life",
"fertilization occurs",
"allow growth",
"It helps them survive"
] |
fertilization occurs
|
Answer the following multiple-choice question.
Question: What happens inside the single egg embedded inside the prothallus
Options:
A. Earth revolving around the sun
B. The area was once underwater
C. gastropod shells
D. it keeps an organism warm
E. remains of prehistoric life
F. fertilization occurs
G. allow growth
H. It helps them survive
Which option is correct and why?
|
The correct answer is: fertilization occurs.
|
A
|
What can infect and live inside the cells of living organisms?
|
[
"Leptospirosis",
"fish",
"spiders",
"Pesticides",
"influenza",
"horses",
"insects",
"bacteria"
] |
influenza
|
Answer the following multiple-choice question.
Question: What can infect and live inside the cells of living organisms?
Options:
A. Leptospirosis
B. fish
C. spiders
D. Pesticides
E. influenza
F. horses
G. insects
H. bacteria
Which option is correct and why?
|
The correct answer is: influenza.
|
E
|
What joins within each testis to form the epididymis?
|
[
"hypodermic tubules",
"viviparous tubules",
"seminiferous tubules",
"interstitial tubules"
] |
seminiferous tubules
|
Answer the following multiple-choice question.
Question: What joins within each testis to form the epididymis?
Options:
A. hypodermic tubules
B. viviparous tubules
C. seminiferous tubules
D. interstitial tubules
Which option is correct and why?
|
The correct answer is: seminiferous tubules.
|
C
|
what do genes carry?
|
[
"pollen",
"Energy",
"calories",
"instructions",
"Chemical energy",
"fat",
"acid",
"colors"
] |
instructions
|
Answer the following multiple-choice question.
Question: what do genes carry?
Options:
A. pollen
B. Energy
C. calories
D. instructions
E. Chemical energy
F. fat
G. acid
H. colors
Which option is correct and why?
|
The correct answer is: instructions.
|
D
|
as the number of pollinators attracted to a flower increases , the ability to reproduce will increase for what?
|
[
"whales",
"oceans",
"flora",
"animals"
] |
flora
|
Answer the following multiple-choice question.
Question: as the number of pollinators attracted to a flower increases , the ability to reproduce will increase for what?
Options:
A. whales
B. oceans
C. flora
D. animals
Which option is correct and why?
|
The correct answer is: flora.
|
C
|
What does rhizobial bacteria do for plants?
|
[
"Converts oxygen",
"nutrients",
"Converts h2o",
"Converts nitrogen",
"Regrows it",
"hydrate their cells",
"Converts methane",
"competing for resources"
] |
Converts nitrogen
|
Answer the following multiple-choice question.
Question: What does rhizobial bacteria do for plants?
Options:
A. Converts oxygen
B. nutrients
C. Converts h2o
D. Converts nitrogen
E. Regrows it
F. hydrate their cells
G. Converts methane
H. competing for resources
Which option is correct and why?
|
The correct answer is: Converts nitrogen.
|
D
|
One example of changing an objects shape is
|
[
"Making glass into a birdhouse",
"Holding another person's hand",
"Watching a bird fly",
"Watching a show on TV"
] |
Making glass into a birdhouse
|
Answer the following multiple-choice question.
Question: One example of changing an objects shape is
Options:
A. Making glass into a birdhouse
B. Holding another person's hand
C. Watching a bird fly
D. Watching a show on TV
Which option is correct and why?
|
The correct answer is: Making glass into a birdhouse.
|
A
|
Atoms with the same atomic number but different mass numbers are called what?
|
[
"tropes",
"isotopes",
"organisms",
"reactions"
] |
isotopes
|
Answer the following multiple-choice question.
Question: Atoms with the same atomic number but different mass numbers are called what?
Options:
A. tropes
B. isotopes
C. organisms
D. reactions
Which option is correct and why?
|
The correct answer is: isotopes.
|
B
|
One of the main things that can negatively impact organism health is
|
[
"singing",
"nothing",
"walking",
"falling ill"
] |
falling ill
|
Answer the following multiple-choice question.
Question: One of the main things that can negatively impact organism health is
Options:
A. singing
B. nothing
C. walking
D. falling ill
Which option is correct and why?
|
The correct answer is: falling ill.
|
D
|
What can happen to make animals move to another area?
|
[
"food and shelter",
"predators leave the area",
"predators go extinct",
"forest is destroyed",
"Climate change",
"deforestation",
"food is increased",
"fossil fuels"
] |
forest is destroyed
|
Answer the following multiple-choice question.
Question: What can happen to make animals move to another area?
Options:
A. food and shelter
B. predators leave the area
C. predators go extinct
D. forest is destroyed
E. Climate change
F. deforestation
G. food is increased
H. fossil fuels
Which option is correct and why?
|
The correct answer is: forest is destroyed.
|
D
|
the Grand Canyon was formed by the Colorado River doing what over long periods of time?
|
[
"blazing",
"melting",
"moving steadily",
"evaporating"
] |
moving steadily
|
Answer the following multiple-choice question.
Question: the Grand Canyon was formed by the Colorado River doing what over long periods of time?
Options:
A. blazing
B. melting
C. moving steadily
D. evaporating
Which option is correct and why?
|
The correct answer is: moving steadily.
|
C
|
Tides can change in different locations because
|
[
"A higher power",
"God",
"Magic",
"the pacific's bottom"
] |
the pacific's bottom
|
Answer the following multiple-choice question.
Question: Tides can change in different locations because
Options:
A. A higher power
B. God
C. Magic
D. the pacific's bottom
Which option is correct and why?
|
The correct answer is: the pacific's bottom.
|
D
|
Bees are naturalized on every continent except which?
|
[
"Australia",
"North America",
"antarctica",
"Africa"
] |
antarctica
|
Answer the following multiple-choice question.
Question: Bees are naturalized on every continent except which?
Options:
A. Australia
B. North America
C. antarctica
D. Africa
Which option is correct and why?
|
The correct answer is: antarctica.
|
C
|
What is the name for elements that neither contain carbon nor come from living things?
|
[
"acids",
"pigments",
"minerals",
"contaminants"
] |
minerals
|
Answer the following multiple-choice question.
Question: What is the name for elements that neither contain carbon nor come from living things?
Options:
A. acids
B. pigments
C. minerals
D. contaminants
Which option is correct and why?
|
The correct answer is: minerals.
|
C
|
what are made in an organelle in the cytoplasm?
|
[
"Acids",
"bioaerosols",
"glucose",
"parasites",
"Energy",
"acetic acid",
"Proteins",
"Energy."
] |
Proteins
|
Answer the following multiple-choice question.
Question: what are made in an organelle in the cytoplasm?
Options:
A. Acids
B. bioaerosols
C. glucose
D. parasites
E. Energy
F. acetic acid
G. Proteins
H. Energy.
Which option is correct and why?
|
The correct answer is: Proteins.
|
A
|
if a predator wanted to catch its meal undetected, which method would be effective?
|
[
"hiding behind a bush with similar colors as itself",
"roaring really loud to scare it",
"none of these",
"peeing to confuse the prey"
] |
hiding behind a bush with similar colors as itself
|
Answer the following multiple-choice question.
Question: if a predator wanted to catch its meal undetected, which method would be effective?
Options:
A. hiding behind a bush with similar colors as itself
B. roaring really loud to scare it
C. none of these
D. peeing to confuse the prey
Which option is correct and why?
|
The correct answer is: hiding behind a bush with similar colors as itself.
|
A
|
What system carries messages from sense organs and internal organs to the central nervous system?
|
[
"auxiliary nervous system",
"peripheral nervous system",
"respiratory system",
"sensitive nervous system"
] |
peripheral nervous system
|
Answer the following multiple-choice question.
Question: What system carries messages from sense organs and internal organs to the central nervous system?
Options:
A. auxiliary nervous system
B. peripheral nervous system
C. respiratory system
D. sensitive nervous system
Which option is correct and why?
|
The correct answer is: peripheral nervous system.
|
B
|
What tissue do clubmosses have that mosses do not?
|
[
"dioxide tissue",
"chorophyll",
"vascular tissue",
"nuclei"
] |
vascular tissue
|
Answer the following multiple-choice question.
Question: What tissue do clubmosses have that mosses do not?
Options:
A. dioxide tissue
B. chorophyll
C. vascular tissue
D. nuclei
Which option is correct and why?
|
The correct answer is: vascular tissue.
|
C
|
What causes damage to forest ecosystems?
|
[
"flooding",
"humans disturb it",
"Sulfur dioxide",
"deforestation",
"Liquid bromine",
"Carnivore animals",
"Pollution",
"Hydrogen peroxide"
] |
Sulfur dioxide
|
Answer the following multiple-choice question.
Question: What causes damage to forest ecosystems?
Options:
A. flooding
B. humans disturb it
C. Sulfur dioxide
D. deforestation
E. Liquid bromine
F. Carnivore animals
G. Pollution
H. Hydrogen peroxide
Which option is correct and why?
|
The correct answer is: Sulfur dioxide.
|
C
|
Bees and other insects are attracted on purpose by what?
|
[
"colors",
"orchids",
"human food",
"chemicals",
"flowers",
"humans",
"pollen",
"perfume"
] |
flowers
|
Answer the following multiple-choice question.
Question: Bees and other insects are attracted on purpose by what?
Options:
A. colors
B. orchids
C. human food
D. chemicals
E. flowers
F. humans
G. pollen
H. perfume
Which option is correct and why?
|
The correct answer is: flowers.
|
E
|
A plant will have difficulty growing larger if it is held away from
|
[
"corn",
"poison",
"ice",
"liquid"
] |
liquid
|
Answer the following multiple-choice question.
Question: A plant will have difficulty growing larger if it is held away from
Options:
A. corn
B. poison
C. ice
D. liquid
Which option is correct and why?
|
The correct answer is: liquid.
|
D
|
What do extensive properties depend on the amount of?
|
[
"sample temperature",
"independent variables",
"matter in a sample",
"experimental controls"
] |
matter in a sample
|
Answer the following multiple-choice question.
Question: What do extensive properties depend on the amount of?
Options:
A. sample temperature
B. independent variables
C. matter in a sample
D. experimental controls
Which option is correct and why?
|
The correct answer is: matter in a sample.
|
C
|
What would a sedimentary rock likely hold?
|
[
"a trilobyte",
"a cookie",
"a wheatgrass shake",
"a diner"
] |
a trilobyte
|
Answer the following multiple-choice question.
Question: What would a sedimentary rock likely hold?
Options:
A. a trilobyte
B. a cookie
C. a wheatgrass shake
D. a diner
Which option is correct and why?
|
The correct answer is: a trilobyte.
|
A
|
Thyroid hormones increase the rate of
|
[
"by making heat",
"the rest of the body",
"female sex cells",
"Helps them grow",
"hydration of their cells",
"heat produced",
"converting food to energy",
"aerobic capacity"
] |
converting food to energy
|
Answer the following multiple-choice question.
Question: Thyroid hormones increase the rate of
Options:
A. by making heat
B. the rest of the body
C. female sex cells
D. Helps them grow
E. hydration of their cells
F. heat produced
G. converting food to energy
H. aerobic capacity
Which option is correct and why?
|
The correct answer is: converting food to energy.
|
A
|
What in orange juice makes it taste sour?
|
[
"acetic acid",
"carbonation",
"citric acid",
"amino acid"
] |
citric acid
|
Answer the following multiple-choice question.
Question: What in orange juice makes it taste sour?
Options:
A. acetic acid
B. carbonation
C. citric acid
D. amino acid
Which option is correct and why?
|
The correct answer is: citric acid.
|
C
|
What do you call the movement of molecules across a membrane without the input of energy?
|
[
"obvious transport",
"passive transport",
"reactive transport",
"active transport"
] |
passive transport
|
Answer the following multiple-choice question.
Question: What do you call the movement of molecules across a membrane without the input of energy?
Options:
A. obvious transport
B. passive transport
C. reactive transport
D. active transport
Which option is correct and why?
|
The correct answer is: passive transport.
|
B
|
What do flashlights require to produce light?
|
[
"sunlight",
"energy",
"a light source",
"batteries",
"circuits",
"energy usage",
"heat energy",
"power"
] |
batteries
|
Answer the following multiple-choice question.
Question: What do flashlights require to produce light?
Options:
A. sunlight
B. energy
C. a light source
D. batteries
E. circuits
F. energy usage
G. heat energy
H. power
Which option is correct and why?
|
The correct answer is: batteries.
|
D
|
What do producers use to make food?
|
[
"bees",
"pesticides",
"glucose",
"The sun",
"utensils",
"stove",
"sunlight",
"recipe"
] |
The sun
|
Answer the following multiple-choice question.
Question: What do producers use to make food?
Options:
A. bees
B. pesticides
C. glucose
D. The sun
E. utensils
F. stove
G. sunlight
H. recipe
Which option is correct and why?
|
The correct answer is: The sun.
|
D
|
Leaves respond to these environmental stimuli by producing less what?
|
[
"energy",
"chlorophyll",
"carbonate",
"oxygen"
] |
chlorophyll
|
Answer the following multiple-choice question.
Question: Leaves respond to these environmental stimuli by producing less what?
Options:
A. energy
B. chlorophyll
C. carbonate
D. oxygen
Which option is correct and why?
|
The correct answer is: chlorophyll.
|
B
|
What can be the cause of lakes and ponds forming?
|
[
"beavers",
"heat",
"Pesticides",
"flooding",
"erosion",
"rainfall",
"loose soil",
"spring"
] |
beavers
|
Answer the following multiple-choice question.
Question: What can be the cause of lakes and ponds forming?
Options:
A. beavers
B. heat
C. Pesticides
D. flooding
E. erosion
F. rainfall
G. loose soil
H. spring
Which option is correct and why?
|
The correct answer is: beavers.
|
A
|
What are tiny, hair like projections?
|
[
"spinicles",
"actin",
"fuzz",
"cilia"
] |
cilia
|
Answer the following multiple-choice question.
Question: What are tiny, hair like projections?
Options:
A. spinicles
B. actin
C. fuzz
D. cilia
Which option is correct and why?
|
The correct answer is: cilia.
|
D
|
Courtship is behavior that is intended to
|
[
"protect them",
"reproduce",
"compete",
"animals",
"communicate",
"humans",
"offspring",
"pollinate"
] |
reproduce
|
Answer the following multiple-choice question.
Question: Courtship is behavior that is intended to
Options:
A. protect them
B. reproduce
C. compete
D. animals
E. communicate
F. humans
G. offspring
H. pollinate
Which option is correct and why?
|
The correct answer is: reproduce.
|
B
|
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