sentence
stringlengths 21
624
| distractors
list | answer
stringlengths 2
32
|
|---|---|---|
the process by which organisms give rise to offspring is **blank**
|
[
"differentiation",
"evolution",
"photosynthesis"
] |
reproduction
|
it is called **blank** when ice changes to liquid water
|
[
"vaporizing",
"boiling",
"condensing"
] |
melting
|
Biological features from a common evolutionary origin are known as **blank**
|
[
"monologous",
"heterologous",
"analogous"
] |
homologous
|
**blank** protects the pollen of seed plants and spores of seedless plants
|
[
"cystosol",
"cocklebur",
"chlorophyll"
] |
sporopollenin
|
first stage of cellular respiration is **blank**
|
[
"electrolysis",
"hydrolisis",
"metabolism"
] |
glycolsis
|
birds live and breed on **blank**
|
[
"three",
"four",
"eight"
] |
seven
|
The hydrogen is oxidized because it undergoes a partial loss of **blank**
|
[
"density",
"protons",
"ions"
] |
electrons
|
land with permafrost , no trees , and small hardy plants is **blank**
|
[
"subtropics",
"taiga",
"desert"
] |
tundra
|
**blank** is defined as the ability to do work
|
[
"fuel",
"heating",
"momentum"
] |
energy
|
All biochemical molecules have oxygen , carbon , and **blank** other element
|
[
"helium",
"nitrogen",
"calcium"
] |
hydrogen
|
a structure that is composed of one or more types of tissues is **blank**
|
[
"system",
"muscle",
"node"
] |
organ
|
different types of tissues organized into functional units are called **blank**
|
[
"tendons",
"arteries",
"veins"
] |
organs
|
atoms of the same element that differ in their numbers of neutrons are called **blank**
|
[
"reactions",
"organisms",
"opposites"
] |
isotopes
|
**blank** is added to a measured portion of a more concentrated stock solution to achieve a particular concentration
|
[
"water",
"yeast",
"pigment"
] |
solvent
|
a vector quantity with the same direction as the force is called **blank**
|
[
"accelerated",
"inverted",
"simple"
] |
impulse
|
pepsin help break down into amino acids **blank**
|
[
"glucose",
"carbohydrates",
"fats"
] |
proteins
|
the most successful phylum of plants are **blank**
|
[
"spores",
"gymnosperms",
"ferns"
] |
angiosperms
|
The muscular layer is much thicker in **blank** ventricle of the heart
|
[
"middle",
"upper",
"right"
] |
left
|
**blank** of fluid cushions the fetus and helps protect it from injury
|
[
"plasmid",
"epithelial",
"aqueous"
] |
amniotic
|
Under the right conditions , **blank** energy source can be used to eject electrons from a solid material
|
[
"force",
"weight",
"gravity"
] |
light
|
the study of how forces affect the motion of objects is **blank**
|
[
"behaviors",
"acceleration",
"kinematics"
] |
dynamics
|
Compounds containing **blank** element are the basis of all known life
|
[
"oxygen",
"helium",
"hydrogen"
] |
carbon
|
the muscles that control the anus are **blank**
|
[
"elliptical",
"irregular",
"triangular"
] |
circular
|
the small molecules or proteins produced by bacteria that regulate gene expression are **blank**
|
[
"fluxes",
"protazoas",
"sporozoans"
] |
autoinducers
|
Channel proteins form **blank** in the membrane
|
[
"walls",
"fibers",
"atoms"
] |
pores
|
The sun gives off energy in tiny packets called **blank**
|
[
"ions",
"electrons",
"atoms"
] |
photons
|
a rock that contains important minerals called is **blank**
|
[
"carbonic",
"steel",
"copper"
] |
ore
|
A high metabolic rate and hair are ways mammals generate and conserve **blank**
|
[
"resources",
"energy",
"water"
] |
heat
|
**blank** is made of molecules of many different gases , and is something we usually can ' t see , taste , or smell ; we can only feel it when it moves
|
[
"water",
"light",
"sound"
] |
air
|
**blank** works on the same principle as echolocation
|
[
"radar",
"GPS",
"topography"
] |
sonar
|
A reaction producing heat is **blank** type of reaction
|
[
"chemistry",
"carbon",
"physical"
] |
chemical
|
living things that produce food for themselves and other organisms are called **blank**
|
[
"growers",
"harvesters",
"refiners"
] |
producers
|
the second largest class of elements is **blank**
|
[
"carbonates",
"silicates",
"metalloids"
] |
nonmetals
|
The process in which a gas changes to a liquid is called **blank**
|
[
"diffusion",
"fermentation",
"vaporing"
] |
condensation
|
**blank** contain one-way valves that contribute to the return of blood to the heart
|
[
"glands",
"clots",
"brains"
] |
veins
|
Traditionally , **blank** preventative measure used weakened or inactive forms of microorganisms or viruses to stimulate the immune system
|
[
"infection",
"assimilation",
"pathogen"
] |
vaccine
|
the measurement of something along it 's greatest dimension called is **blank**
|
[
"stretch",
"stretch",
"height"
] |
length
|
**blank** describes the process of vesicles fusing with the plasma membrane and releasing their contents to the outside of the cell
|
[
"biosynthesis",
"plasmosis",
"endocytosis"
] |
exocytosis
|
A metarteriole is a type of vessel that has structural characteristics of both an arteriole and this ? **blank**
|
[
"tendon",
"electron",
"layer"
] |
capillary
|
the most direct way of recovering a metal from its ores is **blank**
|
[
"drilling",
"molecules",
"osmosis"
] |
electrolysis
|
**blank** of map reveals the shape of a landscape
|
[
"meteorological",
"geologic",
"geographic"
] |
topographic
|
**blank** done by bacteria makes them important producers in aquatic ecosystems
|
[
"maturation",
"infection",
"reproduction"
] |
photosynthesis
|
As the telencephalon enlarges and grows into the cranial cavity , it is limited by the space within **blank** bone structure
|
[
"skeleton",
"spine",
"chest"
] |
skull
|
a relationship is **blank** where one species benefits and the other is unaffected
|
[
"pollenation",
"mutualism",
"parasitism"
] |
commensalism
|
**blank** is used to describe is the spontaneous emission of particles and radiation from atomic nuclei
|
[
"intensity",
"vibration",
"microscopic"
] |
radioactivity
|
Twenty-four hours before fertilization , the egg has finished meiosis and becomes a mature **blank**
|
[
"spermatozoa",
"fetus",
"zygote"
] |
oocyte
|
Oxygen is combined with **blank** to form water
|
[
"glucose",
"helium",
"carbon"
] |
hydrogen
|
All of the petals together are called **blank**
|
[
"stamen",
"anthers",
"stalk"
] |
corolla
|
phosphate mineral turquoise is **blank**
|
[
"white",
"green",
"purple"
] |
blue
|
**blank** many ways are there for a species to go extinct
|
[
"four",
"eight",
"Ten"
] |
two
|
The skin disease impetigo is caused by spread of **blank** type of microorganism
|
[
"viruses",
"tumors",
"algae"
] |
bacteria
|
**blank** of mechanical weathering occurs when one rock bumps against another rock
|
[
"absorption",
"refraction",
"disintegration"
] |
abrasion
|
**blank** is used to indicate directionality in chemical reactions
|
[
"triangle",
"circle",
"line"
] |
arrow
|
**blank** wrote the book on the origin of species
|
[
"Scopes",
"Sagan",
"cannon"
] |
darwin
|
**blank** is considered a good source of calcium
|
[
"wheat",
"egg",
"corn"
] |
milk
|
Exons are cut out before **blank** leaves the nucleus
|
[
"gene",
"dna",
"rna"
] |
mrna
|
**blank** is divided into two parts , the sensory division and the motor division
|
[
"physiological",
"developmental",
"central"
] |
peripheral
|
When mendel crossed purple flowered-plants and white flowered-plants , all the offspring had **blank** color flowers
|
[
"blue",
"red",
"yellow"
] |
purple
|
When statoliths settle to the low point in the chamber , they stimulate **blank** in that location
|
[
"dendrites",
"axons",
"nociceptors"
] |
mechanoreceptors
|
The goal of this is the understand **blank** and why things happen
|
[
"experience",
"inquiry",
"theory"
] |
science
|
the most diverse organisms on earth , which are often classified by shape or how they react to gram stain are **blank**
|
[
"cultures",
"pathogens",
"algae"
] |
bacteria
|
Breathing involves differences in **blank** , measured in torr , between the inside of the lungs and the air outside
|
[
"temperature",
"gravity",
"resistance"
] |
pressure
|
Gymnamoebas constitute a large and varied group of **blank**
|
[
"newborns",
"cells",
"sporozoans"
] |
amoebozoans
|
In weather terms , **blank** do you call the boundary between two air masses
|
[
"cloud",
"mass",
"cover"
] |
front
|
**blank** takes place when plants release water vapor through pores in their leaves called stomata
|
[
"evaporation",
"expiration",
"propagation"
] |
transpiration
|
Most hydrogen atoms have **blank** many protons
|
[
"two",
"three",
"four"
] |
one
|
**blank** is utilized to analyze simple mendelian inheritance
|
[
"origins",
"dna",
"trait"
] |
pedigree
|
the only animal phyla that does not consist exclusively of invertebrates is **blank**
|
[
"arthropods",
"bacteria",
"eukaryotes"
] |
chordates
|
Soap acts as **blank** kind of agent between grease and water
|
[
"lubricating",
"codifying",
"sterilizing"
] |
emulsifying
|
The nucleus from a differentiated frog cell can direct development of **blank**
|
[
"embryo",
"fetus",
"ovary"
] |
tadpole
|
**blank** can slow down the increase of viruses in the blood
|
[
"platelets",
"infections",
"androgens"
] |
medications
|
the name of microscopic channels which traverse the cell walls of plants is **blank**
|
[
"chloroplasts",
"sphenopalatine",
"notochord"
] |
plasmodesmata
|
The cell membrane consists of two layers of **blank**
|
[
"chlorophyll",
"epidermis",
"filaments"
] |
phospholipids
|
**blank** of the genus eomaia found
|
[
"Japan",
"Egypt",
"India"
] |
china
|
By exploding **blank** the space probes get separated from their launchers
|
[
"frames",
"doors",
"walls"
] |
bolts
|
the term for the relatively stable state inside the body of an animal is **blank**
|
[
"metabolism",
"dormancy",
"consciousness"
] |
homeostasis
|
the middle layer of connective tissue is called **blank**
|
[
"tendon",
"xerophyte",
"pollenation"
] |
perimysium
|
Unlike prokaryotic chromosomes , eukaryotic chromosomes are **blank**
|
[
"multiple",
"simple",
"expanding"
] |
linear
|
Population size is the number of **blank** in a population
|
[
"humans",
"subdivisions",
"proteins"
] |
individuals
|
**blank** helps prey hide and predators sneak up on prey
|
[
"scent",
"claws",
"variation"
] |
camouflage
|
corrosion is **blank** of a process
|
[
"electrolysis",
"oxidation",
"electromagnetic"
] |
galvanic
|
the membrane is lining the back of the eye called **blank**
|
[
"lens",
"cornea",
"aperture"
] |
retina
|
**blank** of animals has adapted to live in both water and on land
|
[
"herbivores",
"reptiles",
"omnivores"
] |
amphibians
|
Animals breath in air in order to obtain **blank** element
|
[
"water",
"nitrogen",
"carbon"
] |
oxygen
|
Silk and cotton are examples of **blank** kind of fiber
|
[
"pure",
"artificial",
"simple"
] |
natural
|
Reacting with metal is one thing that distinguishes acids from **blank**
|
[
"metals",
"minerals",
"protiens"
] |
bases
|
In a solution , **blank** is the substance present in the lesser amount called
|
[
"molecules",
"compound",
"fluids"
] |
solute
|
A cochlear implant aims to restore loss of **blank** sense
|
[
"vision",
"touch",
"taste"
] |
hearing
|
the helix nebula is located in **blank**
|
[
"prometheus",
"zodiac",
"gemini"
] |
aquarius
|
The small , rocky bodies that orbit the sun are called **blank**
|
[
"comets",
"meteorites",
"fossils"
] |
asteroids
|
Water is used by the plant to move materials up from the roots to make **blank**
|
[
"light",
"chlorophyll",
"fruit"
] |
food
|
Magnets have a north and a south **blank**
|
[
"arch",
"grid",
"temperature"
] |
pole
|
Exemplified by organisms that grow in geysers , hyperthermophiles love **blank**
|
[
"humidity",
"cold",
"rainfall"
] |
heat
|
the term for the multi-phase process in which the nucleus of the cell divides is **blank**
|
[
"cytokinesis",
"mutation",
"epistasis"
] |
mitosis
|
**blank** is a more reliable trait or measure to identify minerals
|
[
"color",
"shape",
"weight"
] |
streak
|
Inside female cones , female spores develop into female **blank**
|
[
"gymnosperms",
"filaments",
"tubules"
] |
gametophytes
|
**blank** of reactions absorb heat from their surroundings
|
[
"geothermic",
"hypothermic",
"exothermic"
] |
endothermic
|
an extension of genetics , evolution , anatomy , physiology , and other biological disciplines is **blank**
|
[
"microbiology",
"neurobiology",
"chronology"
] |
ethology
|
catalysts in living things are called **blank**
|
[
"proteins",
"carbohydrates",
"carbohydrates"
] |
enzymes
|
part of a large fungus that lives underground is **blank**
|
[
"bamboo",
"mold",
"bark"
] |
mushroom
|
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