prompt stringlengths 51 646 | completion stringclasses 8 values | source stringclasses 3 values |
|---|---|---|
What type of gases are the least reactive of all elements?
A. brave
B. noble
C. humble
D. lucky
Answer: | B | sciq |
The cells of most eukaryotic and many prokaryotic organisms can carry out what type of respiration?
A. kinetic
B. energetic
C. aerobic
D. anaerobic
Answer: | C | sciq |
What kind of rock's makeup is changed by heat and or pressure?
A. tectonic
B. igneous
C. metamorphic
D. basaltic
Answer: | C | sciq |
Most scientists think that ordinary matter makes up how much of the total matter in the universe?
A. greater than half
B. less than half
C. more than half
D. about half
Answer: | B | sciq |
In machines that increase force, such as ramps and doorknobs and nutcrackers, what is the relation between output and input force?
A. output is greater
B. output is smaller
C. drop is greater
D. input is greater
Answer: | A | sciq |
What type of galaxies are oval shaped, red or yellow, and contain mostly old stars?
A. ovoid anomalies
B. typical elliptical
C. mutant ellipses
D. unique elliptical
Answer: | B | sciq |
What is the term for something in the environment that causes a reaction in an organism?
A. crisis
B. stimulus
C. climate
D. pollution
Answer: | B | sciq |
What is the mildest type of brain injury?
A. concussion
B. blunt trauma
C. dementia
D. hydrocephalus
Answer: | A | sciq |
Isobaric expansion is a process occurring without a change in what?
A. pressure
B. energy
C. temperature
D. direction
Answer: | A | sciq |
What is the term for the process of exposing a person to a pathogen on purpose in order to develop immunity?
A. evacuation
B. ramping
C. priming
D. vaccination
Answer: | D | sciq |
Why will water balloons launched into the air eventually burst?
A. friction
B. momentum
C. heat
D. expansion
Answer: | D | sciq |
What type of behaviors do not have to be learned or practiced?
A. innate behaviors
B. acquired behaviors
C. diverse behaviors
D. protective behaviors
Answer: | A | sciq |
Terrestrial biomes are classified by the climate and their what?
A. geography
B. pollution
C. habitat
D. biodiversity
Answer: | D | sciq |
A flower's colors come from what part of the plant?
A. Internode
B. glycogen
C. Petiole
D. vacuole
Answer: | D | sciq |
What stages in the life of a cell does the cell cycle include?
A. intermediate stages
B. adult stages
C. all
D. both
Answer: | C | sciq |
What do you call the type of molecular signals that include insulin and that help regulate a number of biochemical processes?
A. nerves
B. acids
C. enzymes
D. hormones
Answer: | D | sciq |
What type of device uses electromagnetic induction to change the voltage of electric current?
A. electronic transformer
B. hot transformer
C. mechanical transformer
D. radioactive transformer
Answer: | A | sciq |
Mutations cannot be passed on to offspring if they occur in what type of cells?
A. blood cells
B. kept cells
C. body cells
D. put cells
Answer: | C | sciq |
What layer high in the atmosphere protects living things from most of the sun’s harmful uv rays?
A. stratosphere
B. ozone layer
C. troposphere
D. Mesosphere
Answer: | B | sciq |
What occurs over a large area when a rock is buried or compressed?
A. cavern system
B. landslide
C. metamorphic diffusion
D. regional metamorphism
Answer: | D | sciq |
The uterus has an external opening known as what?
A. ovaries
B. fallopian tubes
C. vulva
D. cervix
Answer: | C | sciq |
Plants face two types of enemies: herbivores and what else?
A. pathogens
B. erosion
C. carnivores
D. water
Answer: | A | sciq |
What organism carries out only fermentation or anaerobic respiration?
A. metabolites
B. aldehydes
C. aerobicc enzymes
D. obligate anaerobes
Answer: | D | sciq |
What are the smallest type of blood vessel?
A. spider veins
B. capillaries
C. varicose veins
D. arteries
Answer: | B | sciq |
What type of behavior is most flexible?
A. innate behavior
B. reflex behavior
C. learned behavior
D. adaptation
Answer: | C | sciq |
In the water molecule, two of the electron pairs are lone pairs rather than what?
A. ions pairs
B. bonding pairs
C. bonding ions
D. acid pairs
Answer: | B | sciq |
What are the basic building blocks of the human body?
A. vitamins
B. cells
C. minerals
D. proteins
Answer: | B | sciq |
What is the medial bone of the forearm that runs parallel to the radius?
A. ulna
B. radius
C. humerus
D. fibula
Answer: | A | sciq |
The animal kingdom can also be divided into two basic groups, what are they?
A. invertebrates and vertebrates
B. sponges and vertebrates
C. aquatic and land
D. mammals and fish
Answer: | A | sciq |
These microorganisms are abundant in the human digestive track and serve many roles. what are they?
A. bacteria
B. pathogens
C. antioxidants
D. tumors
Answer: | A | sciq |
When both objects have a positive charge what will the force be between them?
A. polar
B. repulsive
C. expressive
D. attractive
Answer: | B | sciq |
What are ocean waves mainly caused by?
A. tides
B. gravity
C. wind
D. humidity
Answer: | C | sciq |
What type of archaea live in salty environments?
A. arthropods
B. sporozoans
C. halophiles
D. amphibians
Answer: | C | sciq |
What can be thought of as the fundamental unit of life?
A. cell
B. atom
C. ion
D. electron
Answer: | A | sciq |
What type of organism is a bacteria?
A. paramecium
B. fungi
C. single-celled prokaryotic
D. multicellular organism
Answer: | C | sciq |
What chemical element is required for a combustion reaction ?
A. nitrogen
B. carbon
C. helium
D. oxygen
Answer: | D | sciq |
What do wind turbines turn wind energy into?
A. hydrogen
B. electricy
C. carbon
D. oxygen
Answer: | B | sciq |
A simple sugar such as fructose or glucose is also called a what?
A. galactose
B. disaccharide
C. carbohydrate
D. monosaccharide
Answer: | D | sciq |
The fossilized skeleton of archaeopteryx looks like that of a dinosaur, but it had what structures modified for flight, a trait associated only with birds among modern animals?
A. fingers
B. feathers
C. claws
D. beaks
Answer: | B | sciq |
Blood volume increases substantially during pregnancy, so that by childbirth, it exceeds its preconception volume by 30 percent, or approximately what?
A. 3-5 liters
B. 1-2 liters
C. 0-1 liters
D. 2-3 liters
Answer: | B | sciq |
All of the land drained by a river system is called its basin, or what "wet" term?
A. river bank
B. watershed
C. groundwater
D. wetlands
Answer: | B | sciq |
What does the gizzard in birds contain that allows them to grind food?
A. bile
B. teeth
C. swallowed stones
D. acid
Answer: | C | sciq |
Equal and oppositely directed forces produce what kind of acceleration?
A. faster acceleration
B. greater acceleration
C. no acceleration
D. steady acceleration
Answer: | C | sciq |
Organs are groups of what working together?
A. bones
B. tissues
C. muscles
D. tendons
Answer: | B | sciq |
Deep water filling a void caused by surface winds blowing water north and south is known as?
A. divergence
B. surface current
C. downwelling
D. upwelling
Answer: | D | sciq |
What devices do astronomers use to see objects at wavelengths all across the electromagnetic spectrum?
A. levels
B. spectrographs
C. telescopes
D. microscopes
Answer: | C | sciq |
What type of winds blow only over a limited area?
A. local
B. periodic
C. Planetary
D. trade
Answer: | A | sciq |
What is the term for the spacing of individuals within a population?
A. suspension
B. equilibrium
C. dispersion
D. population density
Answer: | C | sciq |
What is the minimum number of pulleys needed for a compound pulley?
A. 1
B. zero
C. 4
D. 2
Answer: | D | sciq |
Magnetic force is always perpendicular to what?
A. length
B. sunlight
C. speed
D. velocity
Answer: | D | sciq |
What is the region in the center back of the eye that is responsible for acute vision?
A. pupil
B. lens
C. cornea
D. fovea
Answer: | D | sciq |
What is it called when a human has an extra autosome?
A. polysomy
B. mosaicism
C. trisomy
D. monosomy
Answer: | C | sciq |
Carboxylic acids can form what with alcohols?
A. aldehydes
B. esters
C. lipids
D. ketones
Answer: | B | sciq |
What are the two types of semiconductors?
A. o-type and p-type
B. n-type and p-type
C. n-type and m-type
D. a-type and b-type
Answer: | B | sciq |
What is the term for organisms that live in extremely hot environments?
A. hydrophylic
B. thermophiles
C. exothermic
D. thermophobes
Answer: | B | sciq |
What is a capillary bed that filters blood principally based on particle size?
A. buds
B. plexus
C. glomerulus
D. vein
Answer: | C | sciq |
Minerals form when they precipitate from hot fluids that have done what?
A. dried out
B. accelerated down
C. heated up
D. cooled down
Answer: | D | sciq |
Mass spectrometry today is used extensively in chemistry and biology laboratories to identify chemical and biological substances according to their ratios of what?
A. mass to volume
B. volume to charge
C. ph to charge
D. mass-to-charge
Answer: | D | sciq |
What helps treat bacterial infections in people?
A. antibiotic drugs
B. rest
C. respiratory drugs
D. vaccines
Answer: | A | sciq |
Which has more electrons, neon or fluorine?
A. the same
B. neon
C. neither
D. fluorine
Answer: | B | sciq |
What kind of process occurs naturally under certain conditions, unlike its opposite, which will not take place unless it is “driven” by the continual input of energy from an external source?
A. noticeable process
B. activation process
C. controlled process
D. spontaneous process
Answer: | D | sciq |
Gradual degradation of a material due to its exposure to the environment is known as what?
A. erosion
B. corrosion
C. destruction
D. metabolism
Answer: | B | sciq |
What is the name for a matter that has a fixed volume and a fixed shape?
A. gas
B. stable
C. liquid
D. solid
Answer: | D | sciq |
German doctor rudolf virchow first discovered what process when studying living cells under a microscope?
A. photosynthesis
B. cell division
C. evolution
D. radiation
Answer: | B | sciq |
What was the first mass extinction that occurred on earth?
A. proterozoic mass extinction
B. late Devonian mass extinction
C. precambrian mass extinction
D. paleozoic mass extinction
Answer: | C | sciq |
What type of habitat do ferns need to grow?
A. elevated
B. moist
C. dry
D. cold
Answer: | B | sciq |
G2 and s are phases in what process that is important in cell division?
A. mitosis
B. cytokinesis
C. tissues
D. osmosis
Answer: | A | sciq |
Solar energy travels in what?
A. neurons
B. electrons
C. photons
D. ions
Answer: | C | sciq |
What type of joint is the knee joint?
A. ball joint
B. pivot joint
C. hinge joint
D. condyloid joint
Answer: | C | sciq |
What state of matter takes the shape and volume of whatever container it occupies?
A. liquid
B. gas
C. solid
D. mixture
Answer: | B | sciq |
What is a high concentrated solution typically referred to as?
A. percent solution
B. saline sollution
C. share solution
D. stock solution
Answer: | D | sciq |
The joints that are between the bones that make up the skull are what kind of joints?
A. immovable joints
B. Interphalangeal joints
C. Gliding ioints
D. Ball and socket joints
Answer: | A | sciq |
What weather phenomenon increases the rate of weathering in rock and soil?
A. rainfall
B. earthquake
C. temperature
D. landslide
Answer: | A | sciq |
What is pluto now called?
A. planet
B. meteor
C. dwarf planet
D. asteroid
Answer: | C | sciq |
Tidal volume, expiratory reserve volume, inspiratory reserve volume, and residual volume are all types of what kind of measurement?
A. lung volume
B. breathing volume
C. respiratory volume
D. emitted volume
Answer: | A | sciq |
What kind of a relationship do plants and soil have?
A. one-way relationship
B. contentious relationship
C. two-way relationship
D. dimorphic relationship
Answer: | C | sciq |
What is the process of generating electric current with a magnetic field?
A. electromagnetic induction
B. molecular induction
C. pole induction
D. mechanical induction
Answer: | A | sciq |
The adrenal cortex directly influences the function of what organs through the production of the hormone aldosterone to stimulate sodium reabsorption?
A. heart
B. tumors
C. kidneys
D. lungs
Answer: | C | sciq |
What type of direction does a phase change depend on?
A. weight transfer
B. humidity transfer
C. power transfer
D. heat transfer
Answer: | D | sciq |
The strength of what depends on the concentration of hydrogen ions it produces when dissolved in water?
A. acid
B. the solution
C. the base
D. electricity
Answer: | A | sciq |
What are the largest phylum in the animal kingdom?
A. crustaceans
B. mammals
C. arthropods
D. cephalopods
Answer: | C | sciq |
What kind of organisms are yeasts?
A. bacteria
B. protozoa
C. viruses
D. single-celled
Answer: | D | sciq |
What kind of bond consists of one sigma bond and one pi bond?
A. covalent bond
B. double bond
C. beta bond
D. ionic bond
Answer: | B | sciq |
What is the purpose of utilizing careful farming practices such as rotating crops or planting nutrient rich crops?
A. improve photosynthesis quality
B. improve sediment quality
C. improve soil texture
D. improve soil quality
Answer: | D | sciq |
What do communication satellites carry and use to provide energy during their missions?
A. infrared panels
B. batteries
C. solar panels
D. geothermal panels
Answer: | C | sciq |
What is the biogeochemical cycle that recycles water called?
A. water cycle
B. water theory
C. Liquid Cycle
D. Water Table
Answer: | A | sciq |
What type of behavior is frogs croaking or deer clashing antlers an example of?
A. learned behavior
B. instincts
C. courtship
D. mating
Answer: | C | sciq |
An atom can be classified as a particular element based solely on its what?
A. atomic number
B. spectrum
C. light number
D. ability
Answer: | A | sciq |
In the body, what essential substance is pumped from the heart into arteries and then eventually into capillaries?
A. blood
B. spinal fluid
C. water
D. lymphatic Fluid
Answer: | A | sciq |
What (nh3) is one of the few thermodynamically stable binary compounds of nitrogen with a nonmetal?
A. liquid nitrogen
B. nitrous oxide
C. ammonia
D. acetic acid
Answer: | C | sciq |
What does increased temperature cause the volume to do in a gas?
A. increase
B. halve
C. decrease
D. disappear
Answer: | A | sciq |
Which effect causes winds to strike the polar front at an angle?
A. axial tilt
B. centrifugal effect
C. Lake Effect
D. coriolis effect
Answer: | D | sciq |
Birds evolved from what type of ancestor?
A. reptile
B. fish
C. apes
D. insect
Answer: | A | sciq |
Which blood cells serve to defend the body in various ways?
A. white blood cells
B. red blood cells
C. helper blood cells
D. blue blood cells
Answer: | A | sciq |
Eutherian mammals possess a specialized structure called the corpus callosum that links what hemispheres?
A. appendages
B. spatial
C. cortical
D. cerebral
Answer: | D | sciq |
Which part of the brain secretes hormones that tell the pituitary gland either to secrete or to stop secreting its hormones?
A. hypothalamus
B. hippocampus
C. cerebrum
D. thalamus
Answer: | A | sciq |
Most reptile eggs can be laid on land, not in water and they are called what?
A. umbilical
B. amniotic
C. aqueous
D. Transitional
Answer: | B | sciq |
What do you call a small whole number placed in front of a formula in an equation in order to balance it?
A. divisible
B. correlation
C. function
D. coefficient
Answer: | D | sciq |
Because the earth is covered with vegetation, cellulose is the most abundant of all what?
A. impurities
B. carbohydrates
C. vegetables
D. rocks
Answer: | B | sciq |
The energy of a photon is directly proportional to the frequency of the electromagnetic what?
A. evaporation
B. absorption
C. radiation
D. convection
Answer: | C | sciq |
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