prompt stringlengths 51 646 | completion stringclasses 8 values | source stringclasses 3 values |
|---|---|---|
Carnivores are animals that eat other animals. the word carnivore is derived from latin and literally means this?
A. meat eater
B. amount eater
C. thick eater
D. leaf eater
Answer: | A | sciq |
What term describes the sequential appearance and disappearance of species in a community over time after a severe disturbance?
A. succession
B. generational replacement
C. supression
D. pattern
Answer: | A | sciq |
What can water's high surface tension be attributed t?
A. molecules create a thin film-like substance
B. electric impulses in atoms
C. territorial molecules sticking together
D. polar molecules sticking together
Answer: | D | sciq |
What supports life, and is also needed for the water cycle and weather?
A. oxygen
B. atmosphere
C. greenhouse gas
D. fossil fuels
Answer: | B | sciq |
The zoospores develop into haploid, multicellular male and female gametophytes, which produce?
A. microorganisms
B. toxins
C. gametes
D. spores
Answer: | C | sciq |
Reducing the number of molecules in a rigid container causes what to decrease?
A. demand
B. energy
C. velocity
D. pressure
Answer: | D | sciq |
What causes a lot of geological activity on the earth?
A. plate tectonics
B. natural selection
C. weather
D. landslides
Answer: | A | sciq |
The fuel that burns in a combustion reaction in many fossil fuels such as natural gas that consists of carbon hydrogen is known as what?
A. fossil
B. helium
C. hydrocarbon
D. catalyst
Answer: | C | sciq |
What describes a combination of two or more substances, each of which maintains its own chemical identity?
A. mixture
B. solute
C. structure
D. bond
Answer: | A | sciq |
Sodium-potassium pumps help nerve cells establish a voltage across their what?
A. potassium membranes
B. cell walls
C. sodium membranes
D. plasma membranes
Answer: | D | sciq |
Tin is oxidized at the anode, while silver ion is reduced at?
A. iodine
B. cathode
C. gamma
D. anodyne
Answer: | B | sciq |
Adding a solute does what to the boiling point of a pure solvent?
A. silences it
B. no effect
C. reduces it
D. increases it
Answer: | D | sciq |
Illnesses caused by bacteria in food are commonly known as what?
A. chemical poisoning
B. the flu
C. viral poisoning
D. food poisoning
Answer: | D | sciq |
Most bacteria may be placed into one of three groups based on their response to gaseous?
A. potassium
B. oxygen
C. carbon
D. nitrogen
Answer: | B | sciq |
More uv rays reach the ground due to a decrease in what layer in the stratosphere?
A. smog
B. gases
C. troposphere
D. ozone
Answer: | D | sciq |
Two species that share what cannot coexist in a community?
A. language
B. same niche
C. mood
D. color
Answer: | B | sciq |
In a wheel and axle, when force is applied either to the wheel or axle, what aspect of the force does not change?
A. speed
B. shift
C. pressure
D. direction
Answer: | D | sciq |
What can be used to determine the mass of a quantity of material?
A. molar masses
B. inertial mass
C. atomic masses
D. gravitational mass
Answer: | A | sciq |
The thick skin, found only on the palms of the hands and the soles of the feet, has an extra what?
A. surface
B. outer
C. Skin
D. layer
Answer: | D | sciq |
What effect does tamiflu have on viruses and cells?
A. enhances cells
B. inhibits spread of virus
C. destroys all viruses
D. reprograms viruses
Answer: | B | sciq |
What is the main ingredient of mothballs?
A. ionized naphthalene
B. processed naphthalene
C. stable naphthalene
D. hydrocarbon naphthalene
Answer: | D | sciq |
What is the column of hot rock that continuously brings hot rock up from the mantle toward the crust?
A. volcanic vent
B. mantle plume
C. hotspot
D. flue
Answer: | B | sciq |
What color light is actually the absence of electromagnetic waves in the visible spectrum, for humans?
A. black light
B. ultraviolet light
C. blue light
D. infrared light
Answer: | A | sciq |
What type of seeds come from plants that were traditionally grown in human populations, as opposed to the seeds used for large-scale agricultural production?
A. modified seeds
B. old-fashioned seeds
C. heirloom seeds
D. original seeds
Answer: | C | sciq |
What is the organic material that comes from plants and animals that were recently living called?
A. biomass
B. biofuels
C. chlorophyll
D. contaminants
Answer: | A | sciq |
What is the simplest form of matter that has a unique set of properties?
A. element
B. molecule
C. atom
D. quark
Answer: | A | sciq |
At least 20 percent of the world’s people do not have a ready supply of what?
A. clean drinking water
B. oil
C. food
D. clothing
Answer: | A | sciq |
What simple machine consists of two connected rings or cylinders, one inside the other, which both turn in the same direction around a single center point?
A. pully
B. wheel and axle
C. spoke
D. bloom and axle
Answer: | B | sciq |
Birds have air sacs that store inhaled air and push it into their what?
A. beaks
B. abdomens
C. bones
D. lungs
Answer: | D | sciq |
What is in the soil that causes mars to look red?
A. sand
B. carbon
C. iron
D. garnet
Answer: | C | sciq |
Convection generally involves the transfer of what type of energy?
A. magnetic
B. sunlight
C. thermal
D. radioactive
Answer: | C | sciq |
What is the term for a push or a pull on an object?
A. effort
B. action
C. force
D. gravity
Answer: | C | sciq |
What term is used to describe the process of removing wastes and excess water from the body?
A. excretion
B. digestion
C. aeration
D. diffusion
Answer: | A | sciq |
Which disease occurs when there is not enough hemoglobin in the blood?
A. Respiratory
B. Diabetes
C. anemia
D. Pulmonary
Answer: | C | sciq |
In what state of matter are particles rigidly fixed in space and held tightly to neighboring particles?
A. solids
B. energies
C. liquids
D. Gases
Answer: | A | sciq |
What is a network solid and consists of carbon atoms covalently bonded to one another in a repeating three-dimensional pattern?
A. a ruby
B. a diamond
C. an agate
D. a zirconium
Answer: | B | sciq |
Linnaeus developed binomial nomenclature, which means each organism is assigned what?
A. single name
B. two-part name
C. complex name
D. simple name
Answer: | B | sciq |
What do we call the mathematical field of study credited to french mathematician-philosopher rene descartes?
A. Euclidean geometry
B. algebra
C. calculus
D. cartesian geometry
Answer: | D | sciq |
Where do skeletal muscles usually attach?
A. end of bones
B. to dendrites
C. to the spine
D. to cartilage
Answer: | A | sciq |
What do the cells in the front of a volvox typically develop to help swim towards light?
A. sunspots
B. tumors
C. eyespots
D. vertebrates
Answer: | C | sciq |
What bodily system handles taking in oxygen, getting rid of carbon dioxide, aiding in speech production and sensing odors?
A. respiratory system
B. nervous system
C. pulmonary system
D. circulatory system
Answer: | A | sciq |
The atom often (but not always) turns into a different what during the decay process?
A. concept
B. aspect
C. element
D. reaction
Answer: | C | sciq |
Females are not influenced by the male sex hormone testosterone during embryonic development because they lack what?
A. y chromosome
B. z chromosome
C. x chromosome
D. m chromosome
Answer: | A | sciq |
Pressure relationships inspiration (or inhalation) and expiration (or exhalation) are dependent on the differences in pressure between the atmosphere and these?
A. lungs
B. salts
C. bones
D. enzymes
Answer: | A | sciq |
Female monotremes share what external opening with reptiles and birds?
A. anus
B. urethra
C. cloaca
D. vagina
Answer: | C | sciq |
Collisions between hydrogen atoms demonstrate one form of what?
A. destructive fusion
B. nuclear radiation
C. nuclear fusion
D. nuclear reaction
Answer: | C | sciq |
Fluid-filled thylakoids are the site of glucose production in the second stage of what process?
A. photosynthesis
B. birth
C. glycolysis
D. measurements
Answer: | A | sciq |
What are the basic units of structure and function in living organisms?
A. lipids
B. cells
C. molecules
D. proteins
Answer: | B | sciq |
What concept can be applied to biology, because the structure of an organism, or part of an organism, depends on its function?
A. form follows use
B. attachment follows function
C. form follows function
D. motion follows function
Answer: | C | sciq |
Is sweat an exocrine or endocrine substance?
A. exocrine
B. both
C. neither
D. exocrine
Answer: | A | sciq |
Nuclei with even numbers of protons, neutrons, or both are more likely to be this?
A. unstable
B. ionic
C. stable
D. solid
Answer: | C | sciq |
Some prokaryotes form spores for survival called what?
A. rhizomes
B. buds
C. endospores
D. gymnosperms
Answer: | C | sciq |
What is the liquid inside the central vacuole called?
A. osmotic fluid
B. cytoplasm
C. cell sap
D. chloroplasm
Answer: | C | sciq |
Cancer cells take up glucose for what reason?
A. energy
B. heating
C. food
D. reproduction
Answer: | A | sciq |
Birds and insects perform what function for flowering plants?
A. irrigation
B. vegetation
C. pollination
D. condensation
Answer: | C | sciq |
Most carcinogens produce mutations in genes that control what?
A. cell cycle
B. ubiquitous cycle
C. proteins cycle
D. digestive cycle
Answer: | A | sciq |
What type of equations allows calculation of the wavelength of any moving object?
A. fluctuations wave
B. disc wave
C. develpoment wave
D. debroglie wave
Answer: | D | sciq |
Each new horizontal row of the periodic table corresponds to the beginning of a new period because a new principal energy level is being filled with what?
A. neutrons
B. electrons
C. protons
D. photons
Answer: | B | sciq |
What kind of energy is specifically defined as the energy that is available to do work?
A. free
B. old
C. used
D. new
Answer: | A | sciq |
Only a small percent of earth's water is what type, as opposed to saltwater?
A. runoff
B. rainwater
C. groundwater
D. fresh
Answer: | D | sciq |
The kidneys work with the urinary system to remove what?
A. water
B. nutrients
C. wastes
D. ions
Answer: | C | sciq |
What is asexual reproduction in which an egg develops without being fertilized called?
A. binary fission
B. parthenogenesis
C. budding
D. metamorphosis
Answer: | B | sciq |
What does water vapor in the atmosphere cool and condense into?
A. puddles
B. clouds
C. oceans
D. rain
Answer: | B | sciq |
Carbon-14 dating is a method of what kind of dating?
A. orbital
B. radiometric
C. stratigraphy
D. metamorphic
Answer: | B | sciq |
Friendly bacteria live mostly in the large intestine and part of the small intestine, because what organ is too acidic?
A. skin
B. liver
C. rectum
D. stomach
Answer: | D | sciq |
The addition of heat changes liquid water to what?
A. rainwater
B. distilled water
C. ice
D. water vapor
Answer: | D | sciq |
What is the most widely accepted theory explaining how muscle fibers contract?
A. sliding tritium theory
B. sliding pigment theoery
C. sliding filament theory
D. sliding carbon theory
Answer: | C | sciq |
Power in electricity is the voltage multiplied by what?
A. the current
B. power
C. wattage
D. amperes
Answer: | A | sciq |
What are the vertical columns of similar chemical properties on the periodic table?
A. groups
B. Pods
C. zones
D. Family
Answer: | A | sciq |
What forms the changing shapes of sand dunes?
A. temperature
B. humidity
C. magnetism
D. wind
Answer: | D | sciq |
What is the process in which one cell divides to form two new cells called?
A. Cell Formation
B. cell contribution
C. cell direction
D. cell division
Answer: | D | sciq |
What reaction is considered the reverse of photosynthesis?
A. cellular decay
B. cellular transfer
C. cellular digestion
D. cellular respiration
Answer: | D | sciq |
What are composed of an oxygen atom that forms single bonds with two carbon atoms?
A. sugars
B. ethers
C. solvents
D. acids
Answer: | B | sciq |
Where do cells come from?
A. sexual reproduction
B. mutations
C. nuclear fission
D. preexisting cells
Answer: | D | sciq |
What are the female gametes that form in the ovaries?
A. eggs
B. genes
C. spermatozoa
D. sperm
Answer: | A | sciq |
What are plants in the diploid generation called?
A. sporophytes
B. monocots
C. haplocytes
D. keratinocytes
Answer: | A | sciq |
Through what do moving particles transfer thermal energy?
A. gas
B. tissue
C. fluid
D. plasma
Answer: | C | sciq |
What is the name for the water-splitting step of photosynthesis?
A. cellular respiration
B. photolysis
C. hydrolysis
D. peristalsis
Answer: | B | sciq |
The entropy change is positive as the solid state changes into which state?
A. gas
B. mixture
C. liquid
D. chemical
Answer: | C | sciq |
The process when heat is released is referred to as what?
A. geothermal
B. endothermic
C. insular
D. exothermic
Answer: | D | sciq |
What is a large space that helps the organism digest & move nutrients around the cnidarian body?
A. abdominal wall
B. gastrovascular cavity
C. thorax
D. vacuole
Answer: | B | sciq |
An infection of the brain is called?
A. influenza
B. syphilis
C. tuberculosis
D. encephalitis
Answer: | D | sciq |
The converging of continental plates can form what kind of geological feature?
A. streams
B. mountains
C. plains
D. shores
Answer: | B | sciq |
Mammals generally lack a cloaca and have a separate opening for the what?
A. urinary tract
B. digestive tract
C. tissues tract
D. physical tract
Answer: | B | sciq |
Chordates are defined by a set of four characteristics that are shared by these animals at some point during their?
A. birth
B. development
C. death
D. response
Answer: | B | sciq |
What is produced during the light reactions in photosynthesis?
A. oxygen
B. nitrogen
C. carbon
D. waste
Answer: | A | sciq |
Nerves of the hands, arms, feet, legs, and trunk are part of what system?
A. circulatory system
B. urinary system
C. cardiovascular system
D. peripheral nervous system
Answer: | D | sciq |
Generally, momentum implies a tendency to continue on course—to move in the same direction—and is associated with great mass and speed. momentum, like energy, is important because it is what?
A. sequences
B. conserved
C. endless
D. invisible
Answer: | B | sciq |
Which types of muscles cause bones to move when they retract?
A. skeletal muscles
B. working muscles
C. bone muscles
D. active muscles
Answer: | A | sciq |
Which is the final step of cell division?
A. cytokinesis
B. electrolysis
C. Mitosis
D. genesys
Answer: | A | sciq |
What are xylem and phloem responsible for transporting to the cells of leaves?
A. water and blood
B. water and minerals
C. air and dirt
D. light and gas
Answer: | B | sciq |
What kind of cell is a cell with two chromosomes?
A. neurotic cell
B. mutated cell
C. diploid cell
D. haploid cells
Answer: | C | sciq |
Which term literally means 'spore in a vessel'?
A. Carboid
B. germination
C. sporangia
D. cyanobacteria
Answer: | C | sciq |
Human culture is related to evolutionary theory in the discipline of what?
A. astrology
B. ethnology
C. sociobiology
D. psychopathology
Answer: | C | sciq |
Which forces hold particles together in more ordered states?
A. intermolecular
B. particular
C. natural
D. gravitational
Answer: | A | sciq |
What is the movement of muscle in the digestive system called?
A. peristalsis
B. apoptosis
C. labor contractions
D. acid reflux
Answer: | A | sciq |
Smoking increases the risk of cancer from what radioactive gas that can also be detected with a test kit for your home?
A. radon
B. carbon dioxide
C. carbon monoxide
D. arsenic
Answer: | A | sciq |
What is the main function of the cardiovascular system?
A. respiration
B. implanatation
C. to transport
D. digestion
Answer: | C | sciq |
When something is described as "hydrophilic", you can determine something about how it interacts with what?
A. hydrogen
B. air
C. iron
D. water
Answer: | D | sciq |
What human traits are controlled by more than one gene?
A. polygenic traits
B. mutant traits
C. maladaptive traits
D. autolysis traits
Answer: | A | sciq |
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