prompt stringlengths 51 646 | completion stringclasses 8
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Because force and electric field are what, they have direction as well as their value?
A. mass
B. neurons
C. vectors
D. sensors
Answer: | C |
Acceleration is a vector, and thus has a both a magnitude and what else?
A. pressure
B. wavelength
C. direction
D. temperature
Answer: | C |
What is it called when individual organisms work together with one another?
A. cooperation
B. dualism
C. continuation
D. competition
Answer: | A |
How thick is the earth's continental crust, on average?
A. 60 kilometers
B. 25 kilometers
C. 15 kilometers
D. 35 kilometers
Answer: | D |
Which organ has a thick mucus lining that protects the underlying tissue from the action of the digestive juices?
A. stomach
B. spleen
C. colon
D. liver
Answer: | A |
What historical event taught people that soil could be lost by plowing and growing crops and encouraged new methods to prevent erosion?
A. the dust bowl
B. the flow bowl
C. the debris bowl
D. the land bowl
Answer: | A |
In what phase is the moon brightly illuminated?
A. blue moon
B. full moon
C. crescent
D. new moon
Answer: | B |
What do vectors possess that scalars do not?
A. magnitude and direction
B. height and polarity
C. magnitude and weight
D. direction and texture
Answer: | A |
What are the food making factories of plants?
A. fruits
B. stems
C. leaves
D. roots
Answer: | C |
What does a pollinator pick from its body and carry directly to another plant of the same species?
A. spore
B. pollen
C. pathogen
D. egg
Answer: | B |
Melting ice cubes and freezing water are examples of change of what?
A. volume
B. state
C. role
D. role
Answer: | B |
What is the term for heterotrophs that eat only or mainly animals?
A. parasites
B. carnivores
C. omnivores
D. predators
Answer: | B |
How much work is done when a force is applied in a different direction than the direction of movement?
A. minimum
B. full
C. none
D. half
Answer: | C |
The mercury or alcohol in a common glass what changes its volume as the temperature changes?
A. compass
B. calculator
C. thermometer
D. barometer
Answer: | C |
What are commonly used to control insect pests, but can have harmful effects on the environment?
A. toxins
B. insecticides
C. fertilizers
D. Herbicides
Answer: | B |
The components of what keep their own identity when they combine and can usually be easily separated?
A. solution
B. alloy
C. compound
D. mixture
Answer: | D |
What type of light can mosquitoes see?
A. infared
B. trichina
C. neon
D. spicule
Answer: | A |
What subject is a way of learning about the natural world that is based on evidence and logic?
A. geology
B. science
C. geography
D. evolution
Answer: | B |
Chloroplasts are present only in cells of eukaryotes capable of what process?
A. sexual reproduction
B. photosynthesis
C. digestion
D. hydrolysis
Answer: | B |
Shielding should be used when receiving x-rays to limit exposure to what potentially harmful form of energy?
A. pollution
B. radiation
C. evaporation
D. convection
Answer: | B |
What is the way animals act either alone or with other animals called?
A. animal behavior
B. animal lifestyle
C. animal way
D. animal point
Answer: | A |
What three primary colors of light can be distinguished by the human eye?
A. red, green, yellow
B. blue, red, orange
C. red, green, blue
D. yellow, green, blue
Answer: | C |
Which body system releases hormones that act on target cells to regulate development, growth, energy metabolism, reproduction, and many behaviors?
A. lymphatic
B. exocrine system
C. pituitary
D. endocrine system
Answer: | D |
What is the main difference between eukaryotic and prokaryotic cells?
A. eukaryotic cells have a flagella
B. eukaryotic cells have a cell wall
C. eukaryotic cells have a nucleus
D. prokaryotic cells have a nucleus
Answer: | C |
What forms when cells start to grow out of control?
A. fat
B. tumor
C. moles
D. inflammation
Answer: | B |
Organs, vessels, and lymph make up what system?
A. nervous
B. digestive
C. circulatory
D. lymphatic
Answer: | D |
Like the marketplace, the metabolic economy is regulated by what basic principle?
A. industrial and demand
B. jobs and demand
C. supply and demand
D. price and demand
Answer: | C |
As roots grow longer they will always do what?
A. grow downward
B. get thicker
C. get larger
D. change direction
Answer: | A |
Which virus causes cold sores?
A. microbes virus
B. herpes virus
C. stilts virus
D. flu virus
Answer: | B |
Duplicated chromosomes are composed of two sister what?
A. eukaryotes
B. karyotypes
C. nucleotides
D. chromatids
Answer: | D |
What is the name of anything that has mass and takes up space?
A. solid
B. depth
C. matter
D. carbon
Answer: | C |
The units of time, day and year are based on what?
A. motions of earth
B. motions of the sun
C. gravitational waves
D. moon phases
Answer: | A |
What is the term for an amount of force pushing against a given area?
A. force
B. mass
C. resistance
D. pressure
Answer: | D |
What is the region called where an electron is most likely to be found?
A. the ellipse
B. the shell
C. the orbital
D. the nucleus
Answer: | C |
Many glasses eventually crystallize, rendering them brittle and this?
A. opaque
B. powdered
C. molten
D. soft
Answer: | A |
What is magnetism produced by an electrical current?
A. hydromagnetism
B. electromagnetism
C. exomagnetism
D. strong magnetism
Answer: | B |
A weak and temporary dipole that influences nearby atoms through electrostatic attraction and repulsion is known as what?
A. an instantaneous dipole
B. an debased dipole
C. an incomplete dipole
D. a fused dipole
Answer: | A |
The motion of molecules in a gas is random in magnitude and direction for individual molecules, but a gas of many molecules has a predictable distribution of what, which is called the maxwell-boltzmann distribution?
A. molecular shape
B. molecular size
C. molecular rate
D. molecular speeds
Answer: | D |
What helps the cell continually renew itself?
A. centrosome
B. vacuole
C. lysosomes
D. lymphocytes
Answer: | C |
One of the fundamental laws of chemistry deals with the fact that we cannot create or destroy what?
A. stars
B. time
C. protein
D. matter
Answer: | D |
What are the tiny, tube-shaped structures found inside a kidney called?
A. nephrons
B. jejunum
C. neurons
D. dendrites
Answer: | A |
How many sperm does it take to fertilize an egg?
A. two
B. ten
C. one
D. five
Answer: | C |
What type of climate is found mostly near the equator?
A. hot dessert
B. cool tropical
C. warm subtropical
D. warm tropical
Answer: | D |
Metabolism is the collection of what that occur in an organism?
A. mechanical reactions
B. chemical reactions
C. mineral reactions
D. growth reactions
Answer: | B |
What is the arrangement of a t-tubule with the membranes of sr on either side called?
A. triad
B. acid
C. orchid
D. aracnid
Answer: | A |
What is the name of the order that salamanders belong to?
A. urodela
B. platyhelminth
C. aneuploid
D. oronthalic
Answer: | A |
What is the tough tissue that contains collagen?
A. fiber
B. membrane
C. muscle
D. cartilage
Answer: | D |
What common ailment is typically caused by tense muscles in the shoulders, head and neck?
A. fever
B. headache
C. disturbances
D. pollution
Answer: | B |
How many watts equals a horse power?
A. 375
B. 745
C. 904
D. 695
Answer: | B |
Some microorganisms can digest cellulose, breaking it down into what?
A. glucose monomers
B. fructose polymers
C. gluclose polymers
D. fructose monomers
Answer: | A |
Where does most geological activity take place?
A. plate buildings
B. plate waves
C. plate medians
D. plate boundaries
Answer: | D |
What can be used to mechanically separate the two elements by attracting the iron filings out of the mixture and leaving the sulfur behind?
A. centrifuge
B. laser
C. graduated cylinder
D. magnet
Answer: | D |
What forms when a solute dissolves in a solvent?
A. solution
B. liquid
C. gas
D. chemical
Answer: | A |
The enteric nervous system provides intrinsic innervation, and the autonomic nervous system provides this?
A. extrinsic innervation
B. complex innervation
C. autonomic innervation
D. arise innervation
Answer: | A |
Virtually all aquatic organisms depend directly or indirectly on what for food?
A. prokaryotes
B. ground beef
C. growths
D. protists
Answer: | D |
Saltwater is a homogeneous mixture, another term for what?
A. solution
B. structure
C. element
D. lipid
Answer: | A |
What connects the two hemispheres of the brain?
A. disruption callosum
B. holy callosum
C. corpus callosum
D. The brain stem
Answer: | C |
Cells like a prokaryotic cell, a eukaryotic cell has a plasma membrane, cytoplasm, and ribosomes, but a eukaryotic cell is typically larger than a prokaryotic cell, has a true nucleus (meaning its dna is surrounded by a membrane), and has other membrane-bound organelles that allow for what?
A. compartmentalization of f... | A |
Colonial organisms were probably one of the first evolutionary steps towards which type of organisms?
A. double cellular
B. mutated
C. multicellular
D. fetus
Answer: | C |
What do you call accumulation of excess water in the tissues?
A. asthma
B. diuretic
C. gout
D. edema
Answer: | D |
Transport epithelia that function in maintaining water balance also often function in disposal of what?
A. organisms wastes
B. bacteria
C. metabolic wastes
D. absorption wastes
Answer: | C |
What is magnetism produced by electricity called?
A. momentum
B. electrical attraction
C. excitation
D. electromagnetism
Answer: | D |
What is an area that is saturated with water or covered by water for at least one season of the year?
A. a bog
B. a peat
C. a wetland
D. a valley
Answer: | C |
How are bacteria identified and classified?
A. by there movement
B. by their shape
C. by there cell count
D. by their color
Answer: | B |
What do we call forces that act on the system from outside?
A. material
B. internal
C. static
D. external
Answer: | D |
Prostaglandins also help regulate the aggregation of platelets, one step in the formation of what?
A. acne
B. cysts
C. bloats
D. blood clots
Answer: | D |
Deceleration is the opposite of what?
A. stimulation
B. acceleration
C. vibration
D. stopping
Answer: | B |
Each cell and every living thing requires what?
A. potassium
B. calcium
C. salt
D. energy
Answer: | D |
In the human body, what do you call the intersection where the paths for air and food cross.?
A. cloaca
B. larynx
C. esophagus
D. pharynx
Answer: | D |
Air conditioning systems can incubate certain bacteria and what else?
A. mold
B. Cancer
C. wood
D. root
Answer: | A |
The toothlessness of modern birds, which serves to trim the weight of the head, is an example of what?
A. mutation
B. adaptation
C. genetic drift
D. variety
Answer: | B |
What are the active transport mechanisms by which molecules enter and leave the cell inside vesicles?
A. dielectric and exocytosis
B. endocytosis and oxidation
C. oxidation and exocytosis
D. endocytosis and exocytosis
Answer: | D |
Fractures, rickets, and osteoarthritis all affect what part(s) of the body?
A. bones
B. animals
C. Heart
D. fossils
Answer: | A |
Name the closest living relatives of tetrapods?
A. spinefishes
B. lungfishes
C. lumpfishes
D. shrimp
Answer: | B |
What type of air may get stuck on the windward side of a mountain range?
A. steady air
B. maritime air
C. live air
D. brisk air
Answer: | B |
Most protists are aquatic organisms and need what kind of environment to survive?
A. moist
B. dry
C. cold
D. warm
Answer: | A |
The help with diffusion comes from special proteins in the membrane known as what?
A. lazy proteins
B. installation proteins
C. navigation proteins
D. transport proteins
Answer: | D |
The extracellular matrix of most animal cells contains abundant amounts of what protein, which helps hold things together?
A. actin
B. elastin
C. collagen
D. keratin
Answer: | C |
What are two types of lobe finned fish?
A. moles and lungfish
B. piranha and pike
C. sharks and piranha
D. coelacanths and lungfish
Answer: | D |
What is the rate of change of velocity called?
A. transmission
B. acceleration
C. speed
D. vibration
Answer: | B |
What is the main organ required for respiration in mammals?
A. the lungs
B. the diaphragm
C. the brain
D. the heart
Answer: | A |
Molecules are represented by symbols that all who agree on?
A. physics
B. chemists
C. geologists
D. astrologists
Answer: | B |
What is the smallest unit of time commonly based on?
A. second
B. hour
C. millimeter
D. minute
Answer: | A |
Atoms cannot be subdivided, created, or what?
A. contaminated
B. contained
C. destroyed
D. observed
Answer: | C |
What process changes a liquid to a gas without boiling?
A. bubbling
B. absorption
C. melting
D. evaporation
Answer: | D |
Every peripheral nerve is connected directly or indirectly to what?
A. the functional cord
B. the spinal cord
C. the umbilical chord
D. the optimal cord
Answer: | B |
The four phases of mitosis are prophase, metaphase, anaphase and what?
A. postphase
B. telophase
C. trichina
D. spirogyra
Answer: | B |
Pathogenic prokaryotes usually cause illness by producing what?
A. insects
B. ions
C. organisms
D. poisons
Answer: | D |
Once cells _______, they can no longer divide
A. differentiate
B. migrate
C. mature
D. propagate
Answer: | A |
Phase labels - and even special conditions - are sometimes included for the substances that are part of what?
A. chemical equations
B. solid equations
C. carbon equations
D. toxic equations
Answer: | A |
Body waves travel through the earth and arrive at seismograms before what?
A. velocity waves
B. function waves
C. sound waves
D. surface waves
Answer: | D |
What are the outpocketings of the digestive tract that remove nitrogenous wastes and function in osmoregulation?
A. intestinal tubules
B. integumentary tubules
C. olivary tubules
D. malpighian tubules
Answer: | D |
What were the first photosynthetic organisms on earth?
A. bacteria
B. fungi
C. trees
D. mosses
Answer: | A |
What do you call the substance in a cooling system that has a low boiling point and changes between liquid and gaseous states?
A. emission
B. refrigerant
C. byproduct
D. coolant
Answer: | B |
Certain characteristics are frequently inherited together because of what?
A. linkage
B. correlation
C. genetic combination
D. mitosis
Answer: | A |
Which organ protects the body from injury, water loss, and microorganisms?
A. stomach
B. skin
C. liver
D. kidney
Answer: | B |
What is the term for the sudden movement of large blocks of rock and soil down a slope?
A. torrent
B. hurricane
C. slump
D. sludge
Answer: | C |
What is the comparison of two factors within a population?
A. curve
B. correlation
C. hypothesis
D. variable
Answer: | B |
What process is the opposite of nitrogen fixation?
A. digestion
B. respiration
C. percolation
D. denitrification
Answer: | D |
Plant-like protists produce oxygen through which process?
A. photosynthesis
B. glycolysis
C. respiration
D. metamorphosis
Answer: | A |
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