question
stringlengths 4
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|---|---|---|---|---|---|
What rod provides stiffness to counterbalance the pull of muscles?
|
[
"vertebrae",
"mesoderm",
"spinal cord",
"notochord"
] |
notochord
|
Answer the following multiple-choice question.
Question: What rod provides stiffness to counterbalance the pull of muscles?
Options:
A. vertebrae
B. mesoderm
C. spinal cord
D. notochord
Which option is correct and why?
|
The correct answer is: notochord.
|
D
|
what can cause bearings to heat up?
|
[
"friction",
"loose soil",
"energy",
"voltage",
"Energy.",
"wind",
"electrically",
"sweating"
] |
friction
|
Answer the following multiple-choice question.
Question: what can cause bearings to heat up?
Options:
A. friction
B. loose soil
C. energy
D. voltage
E. Energy.
F. wind
G. electrically
H. sweating
Which option is correct and why?
|
The correct answer is: friction.
|
A
|
Behaviors that improve fitness increase through what?
|
[
"evolving",
"relocating",
"absorbing",
"competition",
"Riding a bike",
"Animal survival",
"kinetic energy",
"adaptation"
] |
adaptation
|
Answer the following multiple-choice question.
Question: Behaviors that improve fitness increase through what?
Options:
A. evolving
B. relocating
C. absorbing
D. competition
E. Riding a bike
F. Animal survival
G. kinetic energy
H. adaptation
Which option is correct and why?
|
The correct answer is: adaptation.
|
A
|
After the amino acid molecule has been bound to its what, protein synthesis can take place?
|
[
"RNA receptor",
"base",
"dna molecule",
"trna carrier"
] |
trna carrier
|
Answer the following multiple-choice question.
Question: After the amino acid molecule has been bound to its what, protein synthesis can take place?
Options:
A. RNA receptor
B. base
C. dna molecule
D. trna carrier
Which option is correct and why?
|
The correct answer is: trna carrier.
|
D
|
How does carbon dioxide chemically weather rocks?
|
[
"by creating proteins",
"by creating acids",
"by creating water",
"by creating heat"
] |
by creating acids
|
Answer the following multiple-choice question.
Question: How does carbon dioxide chemically weather rocks?
Options:
A. by creating proteins
B. by creating acids
C. by creating water
D. by creating heat
Which option is correct and why?
|
The correct answer is: by creating acids.
|
B
|
Scavengers eat dead what?
|
[
"fauna",
"stars",
"meteors",
"dreams"
] |
fauna
|
Answer the following multiple-choice question.
Question: Scavengers eat dead what?
Options:
A. fauna
B. stars
C. meteors
D. dreams
Which option is correct and why?
|
The correct answer is: fauna.
|
A
|
what consists of organic molecules that store energy from the sunlight
|
[
"edible",
"Food",
"plants",
"trees",
"apples",
"CO 2",
"Carbon",
"fruits"
] |
Food
|
Answer the following multiple-choice question.
Question: what consists of organic molecules that store energy from the sunlight
Options:
A. edible
B. Food
C. plants
D. trees
E. apples
F. CO 2
G. Carbon
H. fruits
Which option is correct and why?
|
The correct answer is: Food.
|
B
|
If water from a spring can't flow downwards, it can spread out to form one of 2 things. what are they?
|
[
"lake or ocean",
"ocean or river",
"ocean or sea",
"pond or lake"
] |
pond or lake
|
Answer the following multiple-choice question.
Question: If water from a spring can't flow downwards, it can spread out to form one of 2 things. what are they?
Options:
A. lake or ocean
B. ocean or river
C. ocean or sea
D. pond or lake
Which option is correct and why?
|
The correct answer is: pond or lake.
|
D
|
Plants and algae maintain the atmosphere. during photosynthesis, they add oxygen and remove what?
|
[
"methane",
"water",
"nitrogen",
"carbon dioxide"
] |
carbon dioxide
|
Answer the following multiple-choice question.
Question: Plants and algae maintain the atmosphere. during photosynthesis, they add oxygen and remove what?
Options:
A. methane
B. water
C. nitrogen
D. carbon dioxide
Which option is correct and why?
|
The correct answer is: carbon dioxide.
|
D
|
What is a rigid layer that surrounds the plasma membrane of a plant cell?
|
[
"the cell center",
"the cell wall",
"the nucleic wall",
"mitochondria"
] |
the cell wall
|
Answer the following multiple-choice question.
Question: What is a rigid layer that surrounds the plasma membrane of a plant cell?
Options:
A. the cell center
B. the cell wall
C. the nucleic wall
D. mitochondria
Which option is correct and why?
|
The correct answer is: the cell wall.
|
B
|
What do many corals secrete that build up to become a coral reef?
|
[
"an external framework",
"The area was once underwater",
"that material's properties",
"bioaerosols",
"water",
"dust",
"after too much water received",
"oxygen"
] |
an external framework
|
Answer the following multiple-choice question.
Question: What do many corals secrete that build up to become a coral reef?
Options:
A. an external framework
B. The area was once underwater
C. that material's properties
D. bioaerosols
E. water
F. dust
G. after too much water received
H. oxygen
Which option is correct and why?
|
The correct answer is: an external framework.
|
A
|
some what live on the surface of their computer?
|
[
"humans",
"bacteria",
"warm-blooded",
"hosts",
"parasites",
"harm them",
"computers",
"internal components"
] |
parasites
|
Answer the following multiple-choice question.
Question: some what live on the surface of their computer?
Options:
A. humans
B. bacteria
C. warm-blooded
D. hosts
E. parasites
F. harm them
G. computers
H. internal components
Which option is correct and why?
|
The correct answer is: parasites.
|
E
|
How can you safely look at a solar eclipse?
|
[
"mirror",
"pinhole onto a screen",
"look directly at it",
"you can't look safely at a solar eclipse."
] |
pinhole onto a screen
|
Answer the following multiple-choice question.
Question: How can you safely look at a solar eclipse?
Options:
A. mirror
B. pinhole onto a screen
C. look directly at it
D. you can't look safely at a solar eclipse.
Which option is correct and why?
|
The correct answer is: pinhole onto a screen.
|
B
|
What is the name for an area that is covered in water, or at least has soggy soil, during all or part of the year?
|
[
"a crater",
"a wetland",
"coastal zone",
"a stream"
] |
a wetland
|
Answer the following multiple-choice question.
Question: What is the name for an area that is covered in water, or at least has soggy soil, during all or part of the year?
Options:
A. a crater
B. a wetland
C. coastal zone
D. a stream
Which option is correct and why?
|
The correct answer is: a wetland.
|
B
|
What type of product can be made from the moving winds?
|
[
"snow",
"electricity",
"wood",
"bananas"
] |
electricity
|
Answer the following multiple-choice question.
Question: What type of product can be made from the moving winds?
Options:
A. snow
B. electricity
C. wood
D. bananas
Which option is correct and why?
|
The correct answer is: electricity.
|
B
|
what is a moderate way to have a positive impact on a human 's health
|
[
"Cooking",
"walking",
"high fat",
"Heart rate",
"skipping meals",
"pollution",
"sweating",
"food"
] |
walking
|
Answer the following multiple-choice question.
Question: what is a moderate way to have a positive impact on a human 's health
Options:
A. Cooking
B. walking
C. high fat
D. Heart rate
E. skipping meals
F. pollution
G. sweating
H. food
Which option is correct and why?
|
The correct answer is: walking.
|
B
|
Which is considered least important in the solar system?
|
[
"Earth",
"Pluto",
"Mars",
"the Sun"
] |
Pluto
|
Answer the following multiple-choice question.
Question: Which is considered least important in the solar system?
Options:
A. Earth
B. Pluto
C. Mars
D. the Sun
Which option is correct and why?
|
The correct answer is: Pluto.
|
B
|
Cutting down trees has a what on the homes of animals in natural habitats?
|
[
"neutral impact",
"deforestation",
"positive impact",
"no impact",
"threatened",
"Decrease bodily water",
"massive damage",
"negative impact"
] |
negative impact
|
Answer the following multiple-choice question.
Question: Cutting down trees has a what on the homes of animals in natural habitats?
Options:
A. neutral impact
B. deforestation
C. positive impact
D. no impact
E. threatened
F. Decrease bodily water
G. massive damage
H. negative impact
Which option is correct and why?
|
The correct answer is: negative impact.
|
A
|
Kittens that are practicing hunting is an example of what?
|
[
"learning behavior",
"competing for resources",
"warm-blooded",
"competition",
"bad behavior",
"learning nothing",
"extinguishing behavior",
"energy of moving objects"
] |
learning behavior
|
Answer the following multiple-choice question.
Question: Kittens that are practicing hunting is an example of what?
Options:
A. learning behavior
B. competing for resources
C. warm-blooded
D. competition
E. bad behavior
F. learning nothing
G. extinguishing behavior
H. energy of moving objects
Which option is correct and why?
|
The correct answer is: learning behavior.
|
A
|
What is it called when poles are in opposite positions?
|
[
"polar effect",
"demagnetization",
"reversed bonding",
"reversed polarity"
] |
reversed polarity
|
Answer the following multiple-choice question.
Question: What is it called when poles are in opposite positions?
Options:
A. polar effect
B. demagnetization
C. reversed bonding
D. reversed polarity
Which option is correct and why?
|
The correct answer is: reversed polarity.
|
D
|
Most food chains and webs have a maximum of how many trophic levels?
|
[
"3",
"6",
"10",
"4"
] |
4
|
Answer the following multiple-choice question.
Question: Most food chains and webs have a maximum of how many trophic levels?
Options:
A. 3
B. 6
C. 10
D. 4
Which option is correct and why?
|
The correct answer is: 4.
|
D
|
Which region is just posterior to the mouth?
|
[
"the esophagus",
"the diaphragm",
"the pharynx",
"the duodenum"
] |
the pharynx
|
Answer the following multiple-choice question.
Question: Which region is just posterior to the mouth?
Options:
A. the esophagus
B. the diaphragm
C. the pharynx
D. the duodenum
Which option is correct and why?
|
The correct answer is: the pharynx.
|
C
|
What is defined as a change in the inherited traits of organisms over time?
|
[
"divergence",
"evolution",
"generation",
"variation"
] |
evolution
|
Answer the following multiple-choice question.
Question: What is defined as a change in the inherited traits of organisms over time?
Options:
A. divergence
B. evolution
C. generation
D. variation
Which option is correct and why?
|
The correct answer is: evolution.
|
B
|
if a human-like entity was spotted breathing normally under water, it might have developed which of these to make that happen?
|
[
"eyes for seeing things",
"wings for flying around",
"limbs for walking upright",
"special parts for underwater respiration"
] |
special parts for underwater respiration
|
Answer the following multiple-choice question.
Question: if a human-like entity was spotted breathing normally under water, it might have developed which of these to make that happen?
Options:
A. eyes for seeing things
B. wings for flying around
C. limbs for walking upright
D. special parts for underwater respiration
Which option is correct and why?
|
The correct answer is: special parts for underwater respiration.
|
D
|
What does DDT do to insects?
|
[
"uncontrolled",
"feed them",
"kill them",
"Relieve pain",
"Dehydration",
"produce them",
"it needs them",
"shelter them"
] |
kill them
|
Answer the following multiple-choice question.
Question: What does DDT do to insects?
Options:
A. uncontrolled
B. feed them
C. kill them
D. Relieve pain
E. Dehydration
F. produce them
G. it needs them
H. shelter them
Which option is correct and why?
|
The correct answer is: kill them.
|
C
|
Atherosclerosis and coronary heart disease are examples of what type of body system disease?
|
[
"connective system",
"excretory system",
"cardiovascular system",
"digestive system"
] |
cardiovascular system
|
Answer the following multiple-choice question.
Question: Atherosclerosis and coronary heart disease are examples of what type of body system disease?
Options:
A. connective system
B. excretory system
C. cardiovascular system
D. digestive system
Which option is correct and why?
|
The correct answer is: cardiovascular system.
|
C
|
What is a flower's purpose?
|
[
"staying warm",
"food and shelter",
"To look pretty",
"To reproduce",
"To smell good",
"plant reproduction",
"To help people",
"Reproduction"
] |
To reproduce
|
Answer the following multiple-choice question.
Question: What is a flower's purpose?
Options:
A. staying warm
B. food and shelter
C. To look pretty
D. To reproduce
E. To smell good
F. plant reproduction
G. To help people
H. Reproduction
Which option is correct and why?
|
The correct answer is: To reproduce.
|
D
|
What is a disease characterized by high concentrations of glucose in the blood?
|
[
"diabetes",
"myeloma",
"hepatitis",
"leukemia"
] |
diabetes
|
Answer the following multiple-choice question.
Question: What is a disease characterized by high concentrations of glucose in the blood?
Options:
A. diabetes
B. myeloma
C. hepatitis
D. leukemia
Which option is correct and why?
|
The correct answer is: diabetes.
|
A
|
Transgenic animals are animals that have incorporated a gene from another species into their what?
|
[
"habitats",
"genome",
"enemies",
"food"
] |
genome
|
Answer the following multiple-choice question.
Question: Transgenic animals are animals that have incorporated a gene from another species into their what?
Options:
A. habitats
B. genome
C. enemies
D. food
Which option is correct and why?
|
The correct answer is: genome.
|
B
|
Changes in what are essential for evolution to occur.
|
[
"color of leaves",
"genetic material",
"learned behavior",
"synthetic material",
"the body's largest organ",
"acquired characteristics",
"sensory neurons",
"Most plants"
] |
genetic material
|
Answer the following multiple-choice question.
Question: Changes in what are essential for evolution to occur.
Options:
A. color of leaves
B. genetic material
C. learned behavior
D. synthetic material
E. the body's largest organ
F. acquired characteristics
G. sensory neurons
H. Most plants
Which option is correct and why?
|
The correct answer is: genetic material.
|
B
|
A crow that becomes used to a scarecrow and lands on it is an example of what?
|
[
"dissociation",
"habituation",
"adaptation",
"assimilation"
] |
habituation
|
Answer the following multiple-choice question.
Question: A crow that becomes used to a scarecrow and lands on it is an example of what?
Options:
A. dissociation
B. habituation
C. adaptation
D. assimilation
Which option is correct and why?
|
The correct answer is: habituation.
|
B
|
Pressure has a significant effect on the solubility of what state of matter?
|
[
"solids",
"water",
"gases",
"mixtures"
] |
gases
|
Answer the following multiple-choice question.
Question: Pressure has a significant effect on the solubility of what state of matter?
Options:
A. solids
B. water
C. gases
D. mixtures
Which option is correct and why?
|
The correct answer is: gases.
|
C
|
If pollination and fertilization occur, a diploid zygote forms within an ovule, located where
|
[
"uterus",
"bladder",
"testicle",
"ovary"
] |
ovary
|
Answer the following multiple-choice question.
Question: If pollination and fertilization occur, a diploid zygote forms within an ovule, located where
Options:
A. uterus
B. bladder
C. testicle
D. ovary
Which option is correct and why?
|
The correct answer is: ovary.
|
D
|
What are most protist diseases in humans caused by?
|
[
"protozoa",
"eukaryots",
"ticks",
"lice"
] |
protozoa
|
Answer the following multiple-choice question.
Question: What are most protist diseases in humans caused by?
Options:
A. protozoa
B. eukaryots
C. ticks
D. lice
Which option is correct and why?
|
The correct answer is: protozoa.
|
A
|
What can cause animals to leave their homes?
|
[
"Pesticides",
"natural disasters",
"animal sanctuaries",
"deforestation",
"influenza",
"Electrical energy",
"wildlife protections",
"creating dens"
] |
natural disasters
|
Answer the following multiple-choice question.
Question: What can cause animals to leave their homes?
Options:
A. Pesticides
B. natural disasters
C. animal sanctuaries
D. deforestation
E. influenza
F. Electrical energy
G. wildlife protections
H. creating dens
Which option is correct and why?
|
The correct answer is: natural disasters.
|
B
|
What laboratory instrument is used to analyze and test for static charge?
|
[
"microscope",
"microtome",
"bunsen burner",
"electroscope"
] |
electroscope
|
Answer the following multiple-choice question.
Question: What laboratory instrument is used to analyze and test for static charge?
Options:
A. microscope
B. microtome
C. bunsen burner
D. electroscope
Which option is correct and why?
|
The correct answer is: electroscope.
|
D
|
The earth is like organisms in that it maintains a stable state, which is also known as what?
|
[
"hibernation",
"ketosis",
"homeostasis",
"dormancy"
] |
homeostasis
|
Answer the following multiple-choice question.
Question: The earth is like organisms in that it maintains a stable state, which is also known as what?
Options:
A. hibernation
B. ketosis
C. homeostasis
D. dormancy
Which option is correct and why?
|
The correct answer is: homeostasis.
|
C
|
What makes food for themselves and other organisms?
|
[
"agriculture",
"honeybees",
"water",
"sunlight",
"most plants",
"viruses",
"Conifers",
"Chlorophyll"
] |
most plants
|
Answer the following multiple-choice question.
Question: What makes food for themselves and other organisms?
Options:
A. agriculture
B. honeybees
C. water
D. sunlight
E. most plants
F. viruses
G. Conifers
H. Chlorophyll
Which option is correct and why?
|
The correct answer is: most plants.
|
E
|
In fruit flies, all homeotic genes are found on one what?
|
[
"enzymes",
"genome",
"chromosome",
"site"
] |
chromosome
|
Answer the following multiple-choice question.
Question: In fruit flies, all homeotic genes are found on one what?
Options:
A. enzymes
B. genome
C. chromosome
D. site
Which option is correct and why?
|
The correct answer is: chromosome.
|
C
|
What kind of vapor condenses to form fog in the air?
|
[
"h2o",
"Oxygen",
"H20",
"Dew",
"NaCl",
"sodium chloride",
"rain",
"mountain ranges"
] |
h2o
|
Answer the following multiple-choice question.
Question: What kind of vapor condenses to form fog in the air?
Options:
A. h2o
B. Oxygen
C. H20
D. Dew
E. NaCl
F. sodium chloride
G. rain
H. mountain ranges
Which option is correct and why?
|
The correct answer is: h2o.
|
A
|
What do tadpoles turn into?
|
[
"snakes",
"frogs",
"insects",
"fish"
] |
frogs
|
Answer the following multiple-choice question.
Question: What do tadpoles turn into?
Options:
A. snakes
B. frogs
C. insects
D. fish
Which option is correct and why?
|
The correct answer is: frogs.
|
B
|
Gravity pulls objects towards what?
|
[
"ground",
"forces",
"Objectives",
"Earth",
"Energy.",
"Oxygen",
"Helium",
"the sun"
] |
Earth
|
Answer the following multiple-choice question.
Question: Gravity pulls objects towards what?
Options:
A. ground
B. forces
C. Objectives
D. Earth
E. Energy.
F. Oxygen
G. Helium
H. the sun
Which option is correct and why?
|
The correct answer is: Earth.
|
D
|
what causes erosion?
|
[
"standing water",
"coastlines",
"mouth of rivers",
"ice wedging",
"liquid precipitation",
"Physical weathering",
"trees",
"gravity"
] |
liquid precipitation
|
Answer the following multiple-choice question.
Question: what causes erosion?
Options:
A. standing water
B. coastlines
C. mouth of rivers
D. ice wedging
E. liquid precipitation
F. Physical weathering
G. trees
H. gravity
Which option is correct and why?
|
The correct answer is: liquid precipitation.
|
E
|
There are how many visual clues to indicate a chemical reaction?
|
[
"three",
"seven",
"five",
"four"
] |
four
|
Answer the following multiple-choice question.
Question: There are how many visual clues to indicate a chemical reaction?
Options:
A. three
B. seven
C. five
D. four
Which option is correct and why?
|
The correct answer is: four.
|
D
|
What are elements required in very small amounts?
|
[
"minerals",
"pollutants",
"macronutrients",
"micronutrients"
] |
micronutrients
|
Answer the following multiple-choice question.
Question: What are elements required in very small amounts?
Options:
A. minerals
B. pollutants
C. macronutrients
D. micronutrients
Which option is correct and why?
|
The correct answer is: micronutrients.
|
D
|
What are large sheets of ice that cover relatively flat ground called?
|
[
"land glaciers",
"rocky glaciers",
"continental glaciers",
"cellular glaciers"
] |
continental glaciers
|
Answer the following multiple-choice question.
Question: What are large sheets of ice that cover relatively flat ground called?
Options:
A. land glaciers
B. rocky glaciers
C. continental glaciers
D. cellular glaciers
Which option is correct and why?
|
The correct answer is: continental glaciers.
|
C
|
What is root that does not arise from a usual place?
|
[
"monomers",
"hypochlorous",
"momentous",
"adventitious"
] |
adventitious
|
Answer the following multiple-choice question.
Question: What is root that does not arise from a usual place?
Options:
A. monomers
B. hypochlorous
C. momentous
D. adventitious
Which option is correct and why?
|
The correct answer is: adventitious.
|
D
|
in the presence heat, which of these comes about?
|
[
"a melted snocone at the cafeteria",
"an ice cream cone",
"a piece of gum",
"a large metamorphic rock"
] |
a melted snocone at the cafeteria
|
Answer the following multiple-choice question.
Question: in the presence heat, which of these comes about?
Options:
A. a melted snocone at the cafeteria
B. an ice cream cone
C. a piece of gum
D. a large metamorphic rock
Which option is correct and why?
|
The correct answer is: a melted snocone at the cafeteria.
|
A
|
Undifferentiated cells in plants allow it to grow
|
[
"in clouds",
"taller",
"without sunlight",
"without water"
] |
taller
|
Answer the following multiple-choice question.
Question: Undifferentiated cells in plants allow it to grow
Options:
A. in clouds
B. taller
C. without sunlight
D. without water
Which option is correct and why?
|
The correct answer is: taller.
|
B
|
Organisms such as goldfish that can tolerate only a relatively narrow range of salinity are referred to as what?
|
[
"antisaline",
"trichina",
"saline intolerant",
"stenohaline"
] |
stenohaline
|
Answer the following multiple-choice question.
Question: Organisms such as goldfish that can tolerate only a relatively narrow range of salinity are referred to as what?
Options:
A. antisaline
B. trichina
C. saline intolerant
D. stenohaline
Which option is correct and why?
|
The correct answer is: stenohaline.
|
D
|
What is caused by cycles of water freezing and thawing?
|
[
"heat is produced",
"a tree falling",
"peachleaf willow",
"Plant growth is reduced",
"root growth",
"mechanical weathering",
"Condensation",
"fissures of hot, acidic water"
] |
mechanical weathering
|
Answer the following multiple-choice question.
Question: What is caused by cycles of water freezing and thawing?
Options:
A. heat is produced
B. a tree falling
C. peachleaf willow
D. Plant growth is reduced
E. root growth
F. mechanical weathering
G. Condensation
H. fissures of hot, acidic water
Which option is correct and why?
|
The correct answer is: mechanical weathering.
|
A
|
The molecular formula is still c 4 h 10 , which is the same formula as?
|
[
"carbon hydroxide",
"butane",
"chlorine",
"propane"
] |
butane
|
Answer the following multiple-choice question.
Question: The molecular formula is still c 4 h 10 , which is the same formula as?
Options:
A. carbon hydroxide
B. butane
C. chlorine
D. propane
Which option is correct and why?
|
The correct answer is: butane.
|
B
|
The anatomical arrangement of capillaries and alveoli emphasizes the structural and functional relationship of what systems?
|
[
"nervous and lymphatic",
"respiratory and circulatory",
"endocrine and renal",
"digestive and respiratory"
] |
respiratory and circulatory
|
Answer the following multiple-choice question.
Question: The anatomical arrangement of capillaries and alveoli emphasizes the structural and functional relationship of what systems?
Options:
A. nervous and lymphatic
B. respiratory and circulatory
C. endocrine and renal
D. digestive and respiratory
Which option is correct and why?
|
The correct answer is: respiratory and circulatory.
|
B
|
Instead of a nervous system, plant responses are generally controlled by what type of molecules, which serves as chemical messengers?
|
[
"hormones",
"receptors",
"enzymes",
"sugars"
] |
hormones
|
Answer the following multiple-choice question.
Question: Instead of a nervous system, plant responses are generally controlled by what type of molecules, which serves as chemical messengers?
Options:
A. hormones
B. receptors
C. enzymes
D. sugars
Which option is correct and why?
|
The correct answer is: hormones.
|
A
|
Cellular respiration and photosynthesis are important parts of which cycle?
|
[
"greenhouse effect",
"water cycle",
"vapor cycle",
"carbon cycle"
] |
carbon cycle
|
Answer the following multiple-choice question.
Question: Cellular respiration and photosynthesis are important parts of which cycle?
Options:
A. greenhouse effect
B. water cycle
C. vapor cycle
D. carbon cycle
Which option is correct and why?
|
The correct answer is: carbon cycle.
|
D
|
Certain medications can suppress the immune system. this is an intended effect of drugs given to people with what?
|
[
"genetic disorders",
"transplanted organs",
"benign tumors",
"infections"
] |
transplanted organs
|
Answer the following multiple-choice question.
Question: Certain medications can suppress the immune system. this is an intended effect of drugs given to people with what?
Options:
A. genetic disorders
B. transplanted organs
C. benign tumors
D. infections
Which option is correct and why?
|
The correct answer is: transplanted organs.
|
B
|
What is most impervious to an ax?
|
[
"a thin branch",
"a neck",
"a twig",
"a boulder"
] |
a boulder
|
Answer the following multiple-choice question.
Question: What is most impervious to an ax?
Options:
A. a thin branch
B. a neck
C. a twig
D. a boulder
Which option is correct and why?
|
The correct answer is: a boulder.
|
D
|
What's the term for a relationship between two organisms where at least one benefits?
|
[
"meiosis",
"dermatitis",
"symbiosis",
"morphogenesis"
] |
symbiosis
|
Answer the following multiple-choice question.
Question: What's the term for a relationship between two organisms where at least one benefits?
Options:
A. meiosis
B. dermatitis
C. symbiosis
D. morphogenesis
Which option is correct and why?
|
The correct answer is: symbiosis.
|
C
|
Vertebrates differ from invertebrates because they lack this?
|
[
"backbone or a spinal column",
"neck",
"legs",
"head"
] |
backbone or a spinal column
|
Answer the following multiple-choice question.
Question: Vertebrates differ from invertebrates because they lack this?
Options:
A. backbone or a spinal column
B. neck
C. legs
D. head
Which option is correct and why?
|
The correct answer is: backbone or a spinal column.
|
A
|
A mechanism that a ____ uses is a ____
|
[
"see-saw; pulley",
"crane; pulley",
"lever; lever",
"cat; fishing rod"
] |
crane; pulley
|
Answer the following multiple-choice question.
Question: A mechanism that a ____ uses is a ____
Options:
A. see-saw; pulley
B. crane; pulley
C. lever; lever
D. cat; fishing rod
Which option is correct and why?
|
The correct answer is: crane; pulley.
|
B
|
To the extent that behaviors are controlled by what, they may evolve through natural selection?
|
[
"genes",
"rna",
"mutation",
"dna"
] |
genes
|
Answer the following multiple-choice question.
Question: To the extent that behaviors are controlled by what, they may evolve through natural selection?
Options:
A. genes
B. rna
C. mutation
D. dna
Which option is correct and why?
|
The correct answer is: genes.
|
A
|
What device changes kinetic energy to electrical energy through electromagnetic induction?
|
[
"electric generator",
"due generator",
"real generator",
"Emission generator"
] |
electric generator
|
Answer the following multiple-choice question.
Question: What device changes kinetic energy to electrical energy through electromagnetic induction?
Options:
A. electric generator
B. due generator
C. real generator
D. Emission generator
Which option is correct and why?
|
The correct answer is: electric generator.
|
A
|
The average human body contains 5,830 g of what?
|
[
"water",
"bacteria",
"blood",
"muscle"
] |
blood
|
Answer the following multiple-choice question.
Question: The average human body contains 5,830 g of what?
Options:
A. water
B. bacteria
C. blood
D. muscle
Which option is correct and why?
|
The correct answer is: blood.
|
C
|
When a wildfire happens what catches fire?
|
[
"rocks",
"timberland",
"water",
"rivers"
] |
timberland
|
Answer the following multiple-choice question.
Question: When a wildfire happens what catches fire?
Options:
A. rocks
B. timberland
C. water
D. rivers
Which option is correct and why?
|
The correct answer is: timberland.
|
B
|
The cochlea and vestibul make up what part of the ear?
|
[
"middle",
"inner",
"upper",
"outer"
] |
inner
|
Answer the following multiple-choice question.
Question: The cochlea and vestibul make up what part of the ear?
Options:
A. middle
B. inner
C. upper
D. outer
Which option is correct and why?
|
The correct answer is: inner.
|
B
|
How is ice made?
|
[
"The area was once underwater",
"Melting it",
"Drying it out",
"salt and water.",
"It gets heated up",
"It used to be covered by water",
"Boiling the water",
"Reducing heat energy"
] |
Reducing heat energy
|
Answer the following multiple-choice question.
Question: How is ice made?
Options:
A. The area was once underwater
B. Melting it
C. Drying it out
D. salt and water.
E. It gets heated up
F. It used to be covered by water
G. Boiling the water
H. Reducing heat energy
Which option is correct and why?
|
The correct answer is: Reducing heat energy.
|
A
|
Avoiding carcinogens helps lower the risk of what?
|
[
"cancer",
"radiation",
"sunburn",
"colds and flu"
] |
cancer
|
Answer the following multiple-choice question.
Question: Avoiding carcinogens helps lower the risk of what?
Options:
A. cancer
B. radiation
C. sunburn
D. colds and flu
Which option is correct and why?
|
The correct answer is: cancer.
|
A
|
How many stages does the process that produces gametes have?
|
[
"12",
"DNA",
"Five",
"step",
"Two",
"ovum",
"four",
"eggs"
] |
Two
|
Answer the following multiple-choice question.
Question: How many stages does the process that produces gametes have?
Options:
A. 12
B. DNA
C. Five
D. step
E. Two
F. ovum
G. four
H. eggs
Which option is correct and why?
|
The correct answer is: Two.
|
E
|
What is used to remove lead from the stomach?
|
[
"Vomiting reflex",
"heat energy",
"Fish hook",
"layers of fat",
"an electron microscope",
"evaporation",
"digestion",
"acid"
] |
Vomiting reflex
|
Answer the following multiple-choice question.
Question: What is used to remove lead from the stomach?
Options:
A. Vomiting reflex
B. heat energy
C. Fish hook
D. layers of fat
E. an electron microscope
F. evaporation
G. digestion
H. acid
Which option is correct and why?
|
The correct answer is: Vomiting reflex.
|
A
|
What is an electrically neutral compound with positive and negative ions?
|
[
"ionic compound",
"neutralized molecule",
"correlated compound",
"isotope"
] |
ionic compound
|
Answer the following multiple-choice question.
Question: What is an electrically neutral compound with positive and negative ions?
Options:
A. ionic compound
B. neutralized molecule
C. correlated compound
D. isotope
Which option is correct and why?
|
The correct answer is: ionic compound.
|
A
|
Both endotherms and ectotherms control what through behavioral responses to changes in the environment?
|
[
"sleep cycles",
"gas temperature",
"hormones",
"body temperature"
] |
body temperature
|
Answer the following multiple-choice question.
Question: Both endotherms and ectotherms control what through behavioral responses to changes in the environment?
Options:
A. sleep cycles
B. gas temperature
C. hormones
D. body temperature
Which option is correct and why?
|
The correct answer is: body temperature.
|
D
|
This material was less of a thermal conductor
|
[
"aluminum",
"copper",
"thermal underwear",
"steel"
] |
thermal underwear
|
Answer the following multiple-choice question.
Question: This material was less of a thermal conductor
Options:
A. aluminum
B. copper
C. thermal underwear
D. steel
Which option is correct and why?
|
The correct answer is: thermal underwear.
|
C
|
if a person commits arson, which of these might be found as the source in the remains?
|
[
"a new cold water bottle",
"a new portable stove",
"a new hot coffee",
"a blue plastic comb"
] |
a new portable stove
|
Answer the following multiple-choice question.
Question: if a person commits arson, which of these might be found as the source in the remains?
Options:
A. a new cold water bottle
B. a new portable stove
C. a new hot coffee
D. a blue plastic comb
Which option is correct and why?
|
The correct answer is: a new portable stove.
|
B
|
Friction causes the heat of an object to do what?
|
[
"increase",
"energy",
"slowing it down",
"Energy.",
"It expands",
"decrease",
"Evaporation",
"stay the same"
] |
increase
|
Answer the following multiple-choice question.
Question: Friction causes the heat of an object to do what?
Options:
A. increase
B. energy
C. slowing it down
D. Energy.
E. It expands
F. decrease
G. Evaporation
H. stay the same
Which option is correct and why?
|
The correct answer is: increase.
|
A
|
The highest blood pressure is found in
|
[
"alveoli",
"toes",
"the eyes",
"arteries",
"humans",
"lungs",
"hemoglobin",
"veins"
] |
arteries
|
Answer the following multiple-choice question.
Question: The highest blood pressure is found in
Options:
A. alveoli
B. toes
C. the eyes
D. arteries
E. humans
F. lungs
G. hemoglobin
H. veins
Which option is correct and why?
|
The correct answer is: arteries.
|
D
|
Pathogens infect many animals and are agents of what?
|
[
"mutation",
"change",
"disease",
"drought"
] |
disease
|
Answer the following multiple-choice question.
Question: Pathogens infect many animals and are agents of what?
Options:
A. mutation
B. change
C. disease
D. drought
Which option is correct and why?
|
The correct answer is: disease.
|
C
|
Acetone is the simplest type of what organic compound that involves a carbonyl in which the carbon atom makes single bonds with two other carbon atoms?
|
[
"protein",
"enzyme",
"ketone",
"anion"
] |
ketone
|
Answer the following multiple-choice question.
Question: Acetone is the simplest type of what organic compound that involves a carbonyl in which the carbon atom makes single bonds with two other carbon atoms?
Options:
A. protein
B. enzyme
C. ketone
D. anion
Which option is correct and why?
|
The correct answer is: ketone.
|
C
|
A hang-glider that is soaring runs into gales head-on. The gales
|
[
"sinks the glider",
"speeds the glider",
"crashes the glider",
"slow the glider"
] |
slow the glider
|
Answer the following multiple-choice question.
Question: A hang-glider that is soaring runs into gales head-on. The gales
Options:
A. sinks the glider
B. speeds the glider
C. crashes the glider
D. slow the glider
Which option is correct and why?
|
The correct answer is: slow the glider.
|
D
|
If a screwdriver is bought from a high end store known for high quality, it will most likely end up
|
[
"falling apart quite fast",
"breaking in half immediately",
"with rotting wood this week",
"passed down from parent to child"
] |
passed down from parent to child
|
Answer the following multiple-choice question.
Question: If a screwdriver is bought from a high end store known for high quality, it will most likely end up
Options:
A. falling apart quite fast
B. breaking in half immediately
C. with rotting wood this week
D. passed down from parent to child
Which option is correct and why?
|
The correct answer is: passed down from parent to child.
|
D
|
What machine is used to determine the calories in food, as well as the average heat yield from burning various grades of coal and oil?
|
[
"radio telescope",
"thermometer",
"calorimeter",
"alethiometer"
] |
calorimeter
|
Answer the following multiple-choice question.
Question: What machine is used to determine the calories in food, as well as the average heat yield from burning various grades of coal and oil?
Options:
A. radio telescope
B. thermometer
C. calorimeter
D. alethiometer
Which option is correct and why?
|
The correct answer is: calorimeter.
|
C
|
What make distant objects appear both nearer and larger?
|
[
"lasers",
"astrolabes",
"telescopes",
"mirrors"
] |
telescopes
|
Answer the following multiple-choice question.
Question: What make distant objects appear both nearer and larger?
Options:
A. lasers
B. astrolabes
C. telescopes
D. mirrors
Which option is correct and why?
|
The correct answer is: telescopes.
|
C
|
When does a caldera form?
|
[
"before an eruption",
"after a hurricane",
"after an eruption",
"when faults form"
] |
after an eruption
|
Answer the following multiple-choice question.
Question: When does a caldera form?
Options:
A. before an eruption
B. after a hurricane
C. after an eruption
D. when faults form
Which option is correct and why?
|
The correct answer is: after an eruption.
|
C
|
Two events are defined to be simultaneous if an observer measures them as occurring at what?
|
[
"different times",
"midnight",
"opposite times",
"same time"
] |
same time
|
Answer the following multiple-choice question.
Question: Two events are defined to be simultaneous if an observer measures them as occurring at what?
Options:
A. different times
B. midnight
C. opposite times
D. same time
Which option is correct and why?
|
The correct answer is: same time.
|
D
|
Flowers make themselves attractive to hummingbirds with
|
[
"nocturnal access",
"prickly thorns",
"dull, subdued colors",
"an optimal angle"
] |
an optimal angle
|
Answer the following multiple-choice question.
Question: Flowers make themselves attractive to hummingbirds with
Options:
A. nocturnal access
B. prickly thorns
C. dull, subdued colors
D. an optimal angle
Which option is correct and why?
|
The correct answer is: an optimal angle.
|
D
|
What do some mollusks live near?
|
[
"gills",
"rivers",
"desert",
"roads",
"fungi",
"trout",
"clouds",
"water"
] |
trout
|
Answer the following multiple-choice question.
Question: What do some mollusks live near?
Options:
A. gills
B. rivers
C. desert
D. roads
E. fungi
F. trout
G. clouds
H. water
Which option is correct and why?
|
The correct answer is: trout.
|
A
|
A person takes a bucket full of water and adds it to a full pool. After adding fifty buckets of water to the pool, it
|
[
"drains",
"dries",
"bloats",
"sinks"
] |
bloats
|
Answer the following multiple-choice question.
Question: A person takes a bucket full of water and adds it to a full pool. After adding fifty buckets of water to the pool, it
Options:
A. drains
B. dries
C. bloats
D. sinks
Which option is correct and why?
|
The correct answer is: bloats.
|
C
|
What must molecules have to be cis-trans isomers?
|
[
"double bond",
"single bond",
"triple bond",
"last bond"
] |
double bond
|
Answer the following multiple-choice question.
Question: What must molecules have to be cis-trans isomers?
Options:
A. double bond
B. single bond
C. triple bond
D. last bond
Which option is correct and why?
|
The correct answer is: double bond.
|
A
|
What process allows particles too large to move along the stream bed?
|
[
"channelization",
"impaction",
"diffusion",
"saltation"
] |
saltation
|
Answer the following multiple-choice question.
Question: What process allows particles too large to move along the stream bed?
Options:
A. channelization
B. impaction
C. diffusion
D. saltation
Which option is correct and why?
|
The correct answer is: saltation.
|
D
|
How does consuming enterobactin help our body?
|
[
"builds excess iron",
"eliminates excess iron",
"eliminates excess oxygen",
"eliminates excess fat"
] |
eliminates excess iron
|
Answer the following multiple-choice question.
Question: How does consuming enterobactin help our body?
Options:
A. builds excess iron
B. eliminates excess iron
C. eliminates excess oxygen
D. eliminates excess fat
Which option is correct and why?
|
The correct answer is: eliminates excess iron.
|
B
|
Burning coal worsens
|
[
"global warming",
"torn tendons",
"gender inequality",
"energy usage",
"Dehydration",
"Abnormal cell growth",
"The atmosphere",
"sound reproduction"
] |
global warming
|
Answer the following multiple-choice question.
Question: Burning coal worsens
Options:
A. global warming
B. torn tendons
C. gender inequality
D. energy usage
E. Dehydration
F. Abnormal cell growth
G. The atmosphere
H. sound reproduction
Which option is correct and why?
|
The correct answer is: global warming.
|
A
|
What part of the body are chemicals dangerous to?
|
[
"health",
"Frogs.",
"humans",
"salmon",
"Eyes",
"animal",
"toads",
"people"
] |
Eyes
|
Answer the following multiple-choice question.
Question: What part of the body are chemicals dangerous to?
Options:
A. health
B. Frogs.
C. humans
D. salmon
E. Eyes
F. animal
G. toads
H. people
Which option is correct and why?
|
The correct answer is: Eyes.
|
E
|
The Earth being tilted on its axis causes ones side to receive less
|
[
"water vapor",
"moisture",
"sunlight",
"harmful substances",
"carbon and oxygen",
"heat and light",
"Greenhouse gases",
"wind currents"
] |
heat and light
|
Answer the following multiple-choice question.
Question: The Earth being tilted on its axis causes ones side to receive less
Options:
A. water vapor
B. moisture
C. sunlight
D. harmful substances
E. carbon and oxygen
F. heat and light
G. Greenhouse gases
H. wind currents
Which option is correct and why?
|
The correct answer is: heat and light.
|
A
|
When gas particles collide, what kinds of collisions are these considered?
|
[
"conservative",
"inelastic",
"elastic",
"perfect"
] |
elastic
|
Answer the following multiple-choice question.
Question: When gas particles collide, what kinds of collisions are these considered?
Options:
A. conservative
B. inelastic
C. elastic
D. perfect
Which option is correct and why?
|
The correct answer is: elastic.
|
C
|
Co 2 , h 2 o, methane, o 3 , nitrous oxides (no and no 2 ), and chlorofluorocarbons (cfcs) are known as what type of gases?
|
[
"carbonate gases",
"chemical gases",
"greenhouse gases",
"hydrogen gases"
] |
greenhouse gases
|
Answer the following multiple-choice question.
Question: Co 2 , h 2 o, methane, o 3 , nitrous oxides (no and no 2 ), and chlorofluorocarbons (cfcs) are known as what type of gases?
Options:
A. carbonate gases
B. chemical gases
C. greenhouse gases
D. hydrogen gases
Which option is correct and why?
|
The correct answer is: greenhouse gases.
|
C
|
What measures a fluid’s resistance to flow?
|
[
"elasticity",
"viscosity",
"density",
"surface tension"
] |
viscosity
|
Answer the following multiple-choice question.
Question: What measures a fluid’s resistance to flow?
Options:
A. elasticity
B. viscosity
C. density
D. surface tension
Which option is correct and why?
|
The correct answer is: viscosity.
|
B
|
How can we reduce use of energy resources?
|
[
"restoration",
"modification",
"conservation",
"liberation"
] |
conservation
|
Answer the following multiple-choice question.
Question: How can we reduce use of energy resources?
Options:
A. restoration
B. modification
C. conservation
D. liberation
Which option is correct and why?
|
The correct answer is: conservation.
|
C
|
What consists of structures that produce eggs and secrete female sex hormones?
|
[
"asexual reproductive system",
"female neural system",
"female reproductive system",
"male reproductive system"
] |
female reproductive system
|
Answer the following multiple-choice question.
Question: What consists of structures that produce eggs and secrete female sex hormones?
Options:
A. asexual reproductive system
B. female neural system
C. female reproductive system
D. male reproductive system
Which option is correct and why?
|
The correct answer is: female reproductive system.
|
C
|
How many more legs do spiders have compared to insects?
|
[
"four",
"six",
"two",
"one"
] |
two
|
Answer the following multiple-choice question.
Question: How many more legs do spiders have compared to insects?
Options:
A. four
B. six
C. two
D. one
Which option is correct and why?
|
The correct answer is: two.
|
C
|
What types of animals reproduce sexually?
|
[
"virus",
"produce offspring",
"larvae",
"Some animals with shells",
"mate with females",
"By wind and rain",
"spread flower seeds",
"acellular"
] |
Some animals with shells
|
Answer the following multiple-choice question.
Question: What types of animals reproduce sexually?
Options:
A. virus
B. produce offspring
C. larvae
D. Some animals with shells
E. mate with females
F. By wind and rain
G. spread flower seeds
H. acellular
Which option is correct and why?
|
The correct answer is: Some animals with shells.
|
D
|
What is named after the type of enzyme they interact with in the cell?
|
[
"receptor proteins",
"function proteins",
"nitrogen proteins",
"oxygen proteins"
] |
receptor proteins
|
Answer the following multiple-choice question.
Question: What is named after the type of enzyme they interact with in the cell?
Options:
A. receptor proteins
B. function proteins
C. nitrogen proteins
D. oxygen proteins
Which option is correct and why?
|
The correct answer is: receptor proteins.
|
A
|
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