prompt stringlengths 51 646 | completion stringclasses 8
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|---|---|
What measures a fluid’s resistance to flow?
A. elasticity
B. viscosity
C. density
D. surface tension
Answer: | B |
What happens to the wire in a fuse if it's current rating is exceed?
A. it melts
B. sparks
C. disappears
D. ignites
Answer: | A |
Polar climates include polar and which other kind of tundra?
A. arid
B. mountains
C. tropic
D. alpine
Answer: | D |
What disease is given as an example of a sex-linked trait?
A. hypertension
B. emphysema
C. hemophilia
D. arthritis
Answer: | C |
What type of feeders are earthworms?
A. top
B. oil
C. deposit
D. middle
Answer: | C |
What part of the plant is the main site of photosynthesis?
A. root
B. soil
C. stem
D. leaf
Answer: | D |
Aluminosilicates are formed by replacing some of the si atoms in silicates by which atoms?
A. al
B. ad
C. ce
D. fe
Answer: | A |
In a smoke detector, a battery in the electric circuit creates what between the metal plates?
A. magnetism
B. voltage
C. cooling
D. hydrogen
Answer: | B |
Photochemical smog consists mainly of what?
A. oxygen
B. ozone
C. acid
D. carbon
Answer: | B |
What lizards can change colors based on the color of their surroundings?
A. skink
B. chameleons
C. Monitor
D. geckos
Answer: | B |
Lipids are organic compounds that consist of carbon, hydrogen, and?
A. helium
B. methane
C. oxygen
D. nitrogen
Answer: | C |
What do you call the force a machine applies to an object?
A. premium force
B. optimal force
C. drop force
D. output force
Answer: | D |
In scientific terms, average acceleration is the rate at which what changes?
A. volume
B. velocity
C. direction
D. gravity
Answer: | B |
Some atoms are more stable when they gain or lose an electron and form what?
A. electrons
B. ions
C. molecules
D. protons
Answer: | B |
Like a blanket on a sleeping person, greenhouse gases act as what for the planet?
A. Exterior Coverings
B. ventilation
C. plastic
D. insulation
Answer: | D |
What is the process in which a solid changes directly to a gas without going through the liquid state called?
A. vaporization
B. amplification
C. sublimation
D. Diffusion
Answer: | C |
How many forces do objects on earth have acting on them at all times?
A. two
B. ten
C. four
D. three
Answer: | A |
How often does sperm develop in humans?
A. rarely
B. continuously
C. monthly
D. sporadically
Answer: | B |
Scientists found that the youngest rocks on the seafloor were where?
A. trenches.
B. mid - ocean sediments
C. mid-ocean ridges
D. mid - ocean glaciers
Answer: | C |
The reproductive tissues of male and female humans develop similarly in utero until a low level of the hormone testosterone is released from male what?
A. liver
B. gonads
C. bladder
D. kidneys
Answer: | B |
Flatworms have a concentration of nerve tissue in the head end, which was a major step in the evolution of what organ?
A. heart
B. liver
C. brain
D. kidney
Answer: | C |
What type of energy travels through matter in wave form?
A. light
B. sound
C. magnetic
D. vibrational
Answer: | B |
What speeds up chemical reactions inside cells?
A. catalysts
B. nucleus
C. electrodes
D. inhibitors
Answer: | A |
What atmosphere do gills help exchange gas in?
A. ecosystem
B. water
C. air
D. stratosphere
Answer: | B |
Community interactions are important factors in what?
A. natural selection
B. natural resources
C. natural process
D. natural change
Answer: | A |
The end of a pine tree branch bears the male cones that produce what?
A. the pollen
B. oxygen
C. the stigmas
D. the ovaries
Answer: | A |
One seismogram indicates the distance to the what?
A. houses
B. researchers
C. epicenter
D. the moon
Answer: | C |
What is the process of creating complementary strands of mrna called?
A. mutation
B. transcription
C. division
D. differentiation
Answer: | B |
In ancient egypt gold mines were the property of what?
A. people
B. prospectors
C. city
D. state
Answer: | D |
The arid environment of a desert, for instance, can quickly deplete an animal of what?
A. protein
B. strength
C. air
D. water
Answer: | D |
What type of chemistry is the study of chemicals containing carbon called?
A. inorganic chemistry
B. biochemistry
C. bioanalytical chemistry
D. organic chemistry
Answer: | D |
What is the muscular organ shaped like an upside-down pear that has a thick lining of tissues called the endometrium?
A. lungs
B. uterus
C. kidney
D. liver
Answer: | B |
What includes all the biotic and abiotic factors in an area and how they interact?
A. habitat
B. tundra
C. biome
D. ecosystem
Answer: | D |
What is used for cooling detectors of infrared telescopes?
A. material nitrogen
B. liquid nitrogen
C. carbon dioxide
D. hand nitrogen
Answer: | B |
What do we call something that pushes or pulls on an object?
A. force
B. reaction
C. friction
D. annoyance
Answer: | A |
Velocity is a vector that has both direction and what?
A. radiation
B. variable
C. latitude
D. magnitude
Answer: | D |
What are the two classifications for organisms living in water?
A. arctan and nekton
B. arctan and plankton
C. nekton and plankton
D. scharwenka and plankton
Answer: | C |
Where are hotspot volcanoes commonly found?
A. streams
B. the ocean
C. rivers
D. lakes
Answer: | B |
The muscles of the anterior compartment of the lower leg are generally responsible for dorsiflexion, and the muscles of the posterior compartment of the lower leg are generally responsible for this?
A. walking flexion
B. plantar flexion
C. ganglion flexion
D. posterior flexion
Answer: | B |
The presence of what, which acts as a trigger, affects the rate of chemical reaction?
A. catalyst
B. friction
C. heat
D. light
Answer: | A |
What do you call the splitting of the nucleus of an atom into two smaller nuclei?
A. nuclear fusion
B. nuclear fission
C. cell division
D. critical fission
Answer: | B |
What method is used to map the earth on flat paper?
A. calculations
B. projections
C. surveying
D. forecasts
Answer: | B |
Water molds mostly live in water or moist?
A. biomes
B. cells
C. plants
D. soil
Answer: | D |
What is the act of noting or detecting phenomenon through the senses
A. an observation
B. invention
C. overstimulation
D. sensory overload
Answer: | A |
What two measurements are multiplied to find the area of a rectangle?
A. length and depth
B. volume and mass
C. depth and width
D. length and width
Answer: | D |
What is the term for biologically meaningful dna sequences?
A. babies
B. genes
C. atoms
D. eggs
Answer: | B |
Which common type of diabetes is also known as noninsulin-dependent or adult-onset diabetes?
A. type 2
B. gestational diabetes
C. type 1
D. juvenile diabetes
Answer: | A |
Recognition of pathogens is a function of what type of response?
A. immune
B. inhalation
C. digestion
D. hormones
Answer: | A |
Typically done to find food or mates, what do you call the regular movement of individuals or populations each year during certain seasons?
A. emmigration
B. migration
C. industrialization
D. erosion
Answer: | B |
What is the vaccine to prevent infection of hpv?
A. HIV
B. gardasil
C. herpes
D. cervical
Answer: | B |
Mineral crystals that form when magma cools are usually _______ than crystals that form when lava cools.
A. larger
B. older
C. smaller
D. denser
Answer: | A |
What element makes up the majority of coal?
A. iron
B. carbon
C. lead
D. silicon
Answer: | B |
What do you call a simple machine consisting of a sloping surface that connects lower and higher elevations?
A. lever
B. wedge
C. inclined plane
D. jack
Answer: | C |
What can be combined with an amine to form an amide?
A. acetic acid
B. carbon dioxide
C. carboxylic acid
D. ketones
Answer: | C |
There are about 50,000 vertebrate species, and they are placed in how many different classes?
A. nine
B. three
C. ten
D. four
Answer: | A |
In which kind of species do open circulatory systems serve additional functions?
A. some earthworms
B. some invertebrates
C. some apes
D. some seedlings
Answer: | B |
Boyle’s law applies to matter which is in what state?
A. solids
B. liquids
C. gas
D. plasma
Answer: | C |
What do we call heated groundwater that erupts from the ground under pressure?
A. volcanic eruptions
B. aquifers
C. spas
D. springs or geysers
Answer: | D |
Sensory organs that respond to particular sensory stimuli contain cells called what?
A. sensory receptors
B. artificial receptors
C. whole receptors
D. stimulus receptor
Answer: | A |
How can we reduce use of energy resources?
A. restoration
B. modification
C. conservation
D. liberation
Answer: | C |
About 50% of all animal species died off between the mesozoic and which other era?
A. cenozoic
B. precambrian
C. cretaceous
D. jurassic
Answer: | A |
Transforming from a caterpillar to a butterfly requires a lot of what?
A. fuel
B. Water
C. food
D. energy
Answer: | D |
What two cycles make up the female reproductive cycle?
A. cervical and menstrual
B. ovarian and cesarean
C. digestive and menstrual
D. ovarian and menstrual
Answer: | D |
Uranium is an example of a non-renewable resource used to produce what type of power?
A. nuclear
B. wind
C. electrical
D. water
Answer: | A |
One of the early signs of cell disease is this "leaking" of what into the body cells?
A. potassium ions
B. proteins
C. sodium ions
D. glucose
Answer: | C |
What does the moving piston in an engine turn?
A. hammer
B. muffler
C. brake
D. crankshaft
Answer: | D |
What type of chloride is a non-volatile material, but does not dissolve in water?
A. lead chloride
B. pink chloride
C. yellow chloride
D. silver chloride
Answer: | D |
In general, objects expand in all directions as temperature does what?
A. decreases
B. stays the same
C. cycles
D. increases
Answer: | D |
Paddles and hammers are examples of simple machines that increase the distance over which force is applied, while reducing what?
A. momentum
B. gravity
C. strength
D. intensity
Answer: | C |
What two things collide to cause gas pressure?
A. gas particles and a wave
B. light particles and an object
C. gas particles and an object
D. gas particles and an electron
Answer: | C |
Every human cell has the same what, and each cell has thousands of them?
A. DNA
B. ribosomes
C. chromosomes
D. genes
Answer: | D |
What are a class of tetrapod vertebrates that produce amniotic eggs called?
A. amphibians
B. reptiles
C. insects
D. mammals
Answer: | B |
What characteristic of reptile eggs allows them to be laid on land instead of in water?
A. they trap gas
B. they are circular
C. they are dry
D. they are amniotic
Answer: | D |
What part of the rainforest commonly has ferns and other ground plants?
A. forest floor
B. emergent layer
C. understory
D. canopy layer
Answer: | C |
The primary function of insulin is to facilitate the uptake of what into body cells?
A. water
B. chloride
C. glucose
D. sucralose
Answer: | C |
Spindle fibers form between the centrioles during prophase i of what process?
A. hydrolysis
B. photosynthesis
C. mitosis
D. meiosis
Answer: | D |
How many quarks are in each proton and neutron?
A. three
B. four
C. ten
D. five
Answer: | A |
What is the year cycle that sunspots occur?
A. 12
B. 22
C. 15
D. 11
Answer: | D |
When an unstable nucleus emits radiation and is transformed into the nucleus of other elements this is called?
A. radioactive decay
B. naturally decay
C. fusion decay
D. explosive decay
Answer: | A |
What is manufactured and added to foods to preserve freshness?
A. carbohydrates
B. protein
C. vitamin c
D. trans fat
Answer: | D |
Scientists think that stars and galaxies make up only a small part of the matter in the universe. what is the rest of the matter called?
A. dark matter
B. typical matter
C. light matter
D. cold matter
Answer: | A |
Why are noninfectious diseases not contagious?
A. non-pathogen caused
B. they are contagious
C. they are viral
D. they are inherited
Answer: | A |
Organisms that "love" acids are known as what?
A. acidophiles
B. acidophobes
C. acid heads
D. acidic
Answer: | A |
Which enzyme is used in step three of the polymerase chain reaction because of it's ability to withstand high temperatures?
A. minocycline polymerase
B. taq polymerase
C. carbon polumerase
D. backronym polymerase
Answer: | B |
What do scientists use to study the deep without going to the seafloor?
A. ultrasound machines
B. remotely operated vehicles
C. drill rigs
D. telescopes
Answer: | B |
The hemisphere that is tilted away from the sun is cooler because it receives less what?
A. direct electrons
B. pollution
C. direct rays
D. x-rays
Answer: | C |
Like the strings of cello, anything that vibrates produces waves of what?
A. sound
B. heating
C. light
D. energy
Answer: | D |
The point in the titration at which an indicator changes color is called what?
A. chromatic point
B. zeta point
C. tipping point
D. end point
Answer: | D |
On a hot, dry day, plants close their stomata to conserve what?
A. air
B. sunlight
C. water
D. cold
Answer: | C |
What do you call the system of glands that release chemical messenger molecules into the bloodstream?
A. nervous system
B. homeostasis system
C. limbic system
D. endocrine system
Answer: | D |
Reactant concentrations are highest at which part of a reaction?
A. ending
B. concurrent
C. middle
D. beginning
Answer: | D |
What happens to the temperature of a system during phase change?
A. increases
B. decreases
C. fluctuates rapidly
D. remains constant
Answer: | D |
What is the major cause of outdoor air pollution?
A. agricultural equipment
B. burning fossil fuels
C. manufacturing industry
D. electric lines
Answer: | B |
Why does a metal spoon heat up quickly when placed in a hot drink?
A. insulation
B. high specific heat
C. convection
D. low specific heat
Answer: | D |
What does the megaspore mother cell produce after meiosis division?
A. four haploid megaspores
B. two haploid megaspores
C. four diploid megaspores
D. two diploid megapores
Answer: | A |
Synaptic connections can change over time depending on what?
A. activity level
B. diet
C. age
D. weight
Answer: | A |
What is the body of a roundworm covered with?
A. slime
B. tough cuticle
C. thick scales
D. thin epidermis
Answer: | B |
The end of the phospholipid molecule that is polar and attracts water is called what?
A. hydrophobic
B. cytosolic
C. hydrophilic
D. magnetic
Answer: | C |
What is known as the universal solvent?
A. vinegar
B. oil
C. air
D. water
Answer: | D |
Any organism that causes disease is called what?
A. a pathogen
B. a microbe
C. a parasite
D. a virus
Answer: | A |
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