question stringlengths 68 502 | answer stringclasses 4
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Question: Tendons connecting the scapula to the humerus form what, which is the circle of tendons around the shoulder joint?
Options:
A. thigh cuff
B. rotator cuff
C. wrist cuff
D. knee cuff | B |
Question: The number of particles of a substance in a given volume is known as?
Options:
A. frequency
B. concentration
C. mass
D. range | B |
Question: Potential differences from various voltage sources are necessary in order to create electrical fields, which result in what flow of charge?
Options:
A. current
B. output
C. voltage
D. wattage | A |
Question: What effect is caused by air moving over the earth's surface as it spins?
Options:
A. dopple effect
B. mazinho effect
C. pruett effect
D. coriolis effect | D |
Question: The separation of compounds on the basis of their solubilities in a given solvent is known as what?
Options:
A. simplest crystallization
B. separate crystallization
C. nuclei crystallization
D. fractional crystallization | D |
Question: What is the process by which wind blows to make the ground surface gets lower and rockier ?
Options:
A. stagnation
B. inflation
C. layering
D. deflation | D |
Question: Because trees add water vapor to air, cutting down forests leads to longer periods of what?
Options:
A. harvest
B. flooding
C. drought
D. ice | C |
Question: Some sea anemones establish what kind of relationship with hermit crabs by attaching to the crab’s shell?
Options:
A. parasitic
B. mutualistic
C. pathogenic
D. predatory | B |
Question: Prokaryotic cells do not have a nucleus but instead generally have a single chromosome, a piece of double-stranded dna located in an area of the cell called the what?
Options:
A. cytoplasm
B. lysosome
C. nucleoid
D. spicule | C |
Question: What measures a fluid’s resistance to flow?
Options:
A. elasticity
B. density
C. surface tension
D. viscosity | D |
Question: What happens to the wire in a fuse if it's current rating is exceed?
Options:
A. ignites
B. it melts
C. sparks
D. disappears | B |
Question: Polar climates include polar and which other kind of tundra?
Options:
A. arid
B. tropic
C. alpine
D. mountains | C |
Question: What disease is given as an example of a sex-linked trait?
Options:
A. arthritis
B. hemophilia
C. emphysema
D. hypertension | B |
Question: What type of feeders are earthworms?
Options:
A. top
B. oil
C. deposit
D. middle | C |
Question: What part of the plant is the main site of photosynthesis?
Options:
A. leaf
B. stem
C. root
D. soil | A |
Question: Aluminosilicates are formed by replacing some of the si atoms in silicates by which atoms?
Options:
A. ce
B. fe
C. ad
D. al | D |
Question: In a smoke detector, a battery in the electric circuit creates what between the metal plates?
Options:
A. voltage
B. hydrogen
C. cooling
D. magnetism | A |
Question: Photochemical smog consists mainly of what?
Options:
A. ozone
B. carbon
C. oxygen
D. acid | A |
Question: What lizards can change colors based on the color of their surroundings?
Options:
A. geckos
B. Monitor
C. chameleons
D. skink | C |
Question: Lipids are organic compounds that consist of carbon, hydrogen, and?
Options:
A. methane
B. nitrogen
C. oxygen
D. helium | C |
Question: What do you call the force a machine applies to an object?
Options:
A. optimal force
B. output force
C. premium force
D. drop force | B |
Question: In scientific terms, average acceleration is the rate at which what changes?
Options:
A. direction
B. velocity
C. gravity
D. volume | B |
Question: Some atoms are more stable when they gain or lose an electron and form what?
Options:
A. molecules
B. ions
C. electrons
D. protons | B |
Question: Like a blanket on a sleeping person, greenhouse gases act as what for the planet?
Options:
A. Exterior Coverings
B. plastic
C. insulation
D. ventilation | C |
Question: What is the process in which a solid changes directly to a gas without going through the liquid state called?
Options:
A. Diffusion
B. sublimation
C. vaporization
D. amplification | B |
Question: How many forces do objects on earth have acting on them at all times?
Options:
A. three
B. four
C. ten
D. two | D |
Question: How often does sperm develop in humans?
Options:
A. continuously
B. monthly
C. rarely
D. sporadically | A |
Question: Scientists found that the youngest rocks on the seafloor were where?
Options:
A. trenches.
B. mid - ocean glaciers
C. mid - ocean sediments
D. mid-ocean ridges | D |
Question: 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?
Options:
A. liver
B. bladder
C. kidneys
D. gonads | D |
Question: Flatworms have a concentration of nerve tissue in the head end, which was a major step in the evolution of what organ?
Options:
A. liver
B. heart
C. brain
D. kidney | C |
Question: What type of energy travels through matter in wave form?
Options:
A. vibrational
B. sound
C. magnetic
D. light | B |
Question: What speeds up chemical reactions inside cells?
Options:
A. nucleus
B. catalysts
C. inhibitors
D. electrodes | B |
Question: What atmosphere do gills help exchange gas in?
Options:
A. ecosystem
B. air
C. stratosphere
D. water | D |
Question: Community interactions are important factors in what?
Options:
A. natural resources
B. natural change
C. natural process
D. natural selection | D |
Question: The end of a pine tree branch bears the male cones that produce what?
Options:
A. the pollen
B. the ovaries
C. oxygen
D. the stigmas | A |
Question: One seismogram indicates the distance to the what?
Options:
A. researchers
B. epicenter
C. the moon
D. houses | B |
Question: What is the process of creating complementary strands of mrna called?
Options:
A. division
B. transcription
C. differentiation
D. mutation | B |
Question: In ancient egypt gold mines were the property of what?
Options:
A. people
B. state
C. city
D. prospectors | B |
Question: The arid environment of a desert, for instance, can quickly deplete an animal of what?
Options:
A. air
B. water
C. strength
D. protein | B |
Question: What type of chemistry is the study of chemicals containing carbon called?
Options:
A. organic chemistry
B. biochemistry
C. inorganic chemistry
D. bioanalytical chemistry | A |
Question: What is the muscular organ shaped like an upside-down pear that has a thick lining of tissues called the endometrium?
Options:
A. lungs
B. kidney
C. uterus
D. liver | C |
Question: What includes all the biotic and abiotic factors in an area and how they interact?
Options:
A. ecosystem
B. habitat
C. tundra
D. biome | A |
Question: What is used for cooling detectors of infrared telescopes?
Options:
A. material nitrogen
B. carbon dioxide
C. liquid nitrogen
D. hand nitrogen | C |
Question: What do we call something that pushes or pulls on an object?
Options:
A. annoyance
B. reaction
C. friction
D. force | D |
Question: Velocity is a vector that has both direction and what?
Options:
A. latitude
B. magnitude
C. radiation
D. variable | B |
Question: What are the two classifications for organisms living in water?
Options:
A. scharwenka and plankton
B. arctan and nekton
C. arctan and plankton
D. nekton and plankton | D |
Question: Where are hotspot volcanoes commonly found?
Options:
A. streams
B. lakes
C. rivers
D. the ocean | D |
Question: 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?
Options:
A. posterior flexion
B. ganglion flexion
C. walking flexion
D. plantar flexion | D |
Question: The presence of what, which acts as a trigger, affects the rate of chemical reaction?
Options:
A. heat
B. friction
C. light
D. catalyst | D |
Question: What do you call the splitting of the nucleus of an atom into two smaller nuclei?
Options:
A. nuclear fusion
B. cell division
C. critical fission
D. nuclear fission | D |
Question: What method is used to map the earth on flat paper?
Options:
A. forecasts
B. surveying
C. projections
D. calculations | C |
Question: Water molds mostly live in water or moist?
Options:
A. biomes
B. soil
C. cells
D. plants | B |
Question: What is the act of noting or detecting phenomenon through the senses
Options:
A. overstimulation
B. an observation
C. invention
D. sensory overload | B |
Question: What two measurements are multiplied to find the area of a rectangle?
Options:
A. depth and width
B. volume and mass
C. length and depth
D. length and width | D |
Question: What is the term for biologically meaningful dna sequences?
Options:
A. babies
B. genes
C. eggs
D. atoms | B |
Question: Which common type of diabetes is also known as noninsulin-dependent or adult-onset diabetes?
Options:
A. type 1
B. type 2
C. juvenile diabetes
D. gestational diabetes | B |
Question: Recognition of pathogens is a function of what type of response?
Options:
A. digestion
B. immune
C. inhalation
D. hormones | B |
Question: Typically done to find food or mates, what do you call the regular movement of individuals or populations each year during certain seasons?
Options:
A. industrialization
B. migration
C. emmigration
D. erosion | B |
Question: What is the vaccine to prevent infection of hpv?
Options:
A. gardasil
B. HIV
C. cervical
D. herpes | A |
Question: Mineral crystals that form when magma cools are usually _______ than crystals that form when lava cools.
Options:
A. smaller
B. larger
C. denser
D. older | B |
Question: What element makes up the majority of coal?
Options:
A. lead
B. silicon
C. iron
D. carbon | D |
Question: What do you call a simple machine consisting of a sloping surface that connects lower and higher elevations?
Options:
A. inclined plane
B. lever
C. wedge
D. jack | A |
Question: What can be combined with an amine to form an amide?
Options:
A. carboxylic acid
B. acetic acid
C. carbon dioxide
D. ketones | A |
Question: There are about 50,000 vertebrate species, and they are placed in how many different classes?
Options:
A. ten
B. four
C. three
D. nine | D |
Question: In which kind of species do open circulatory systems serve additional functions?
Options:
A. some earthworms
B. some apes
C. some seedlings
D. some invertebrates | D |
Question: Boyle’s law applies to matter which is in what state?
Options:
A. plasma
B. gas
C. liquids
D. solids | B |
Question: What do we call heated groundwater that erupts from the ground under pressure?
Options:
A. springs or geysers
B. spas
C. aquifers
D. volcanic eruptions | A |
Question: Sensory organs that respond to particular sensory stimuli contain cells called what?
Options:
A. artificial receptors
B. sensory receptors
C. stimulus receptor
D. whole receptors | B |
Question: How can we reduce use of energy resources?
Options:
A. conservation
B. liberation
C. restoration
D. modification | A |
Question: About 50% of all animal species died off between the mesozoic and which other era?
Options:
A. cenozoic
B. precambrian
C. jurassic
D. cretaceous | A |
Question: Transforming from a caterpillar to a butterfly requires a lot of what?
Options:
A. energy
B. fuel
C. Water
D. food | A |
Question: What two cycles make up the female reproductive cycle?
Options:
A. cervical and menstrual
B. ovarian and menstrual
C. digestive and menstrual
D. ovarian and cesarean | B |
Question: Uranium is an example of a non-renewable resource used to produce what type of power?
Options:
A. water
B. electrical
C. wind
D. nuclear | D |
Question: One of the early signs of cell disease is this "leaking" of what into the body cells?
Options:
A. glucose
B. proteins
C. potassium ions
D. sodium ions | D |
Question: What does the moving piston in an engine turn?
Options:
A. brake
B. hammer
C. muffler
D. crankshaft | D |
Question: What type of chloride is a non-volatile material, but does not dissolve in water?
Options:
A. yellow chloride
B. silver chloride
C. lead chloride
D. pink chloride | B |
Question: In general, objects expand in all directions as temperature does what?
Options:
A. stays the same
B. decreases
C. increases
D. cycles | C |
Question: Paddles and hammers are examples of simple machines that increase the distance over which force is applied, while reducing what?
Options:
A. momentum
B. strength
C. gravity
D. intensity | B |
Question: What two things collide to cause gas pressure?
Options:
A. gas particles and an electron
B. light particles and an object
C. gas particles and a wave
D. gas particles and an object | D |
Question: Every human cell has the same what, and each cell has thousands of them?
Options:
A. genes
B. chromosomes
C. ribosomes
D. DNA | A |
Question: What are a class of tetrapod vertebrates that produce amniotic eggs called?
Options:
A. mammals
B. amphibians
C. reptiles
D. insects | C |
Question: What characteristic of reptile eggs allows them to be laid on land instead of in water?
Options:
A. they trap gas
B. they are amniotic
C. they are circular
D. they are dry | B |
Question: What part of the rainforest commonly has ferns and other ground plants?
Options:
A. forest floor
B. emergent layer
C. understory
D. canopy layer | C |
Question: The primary function of insulin is to facilitate the uptake of what into body cells?
Options:
A. sucralose
B. chloride
C. glucose
D. water | C |
Question: Spindle fibers form between the centrioles during prophase i of what process?
Options:
A. hydrolysis
B. meiosis
C. mitosis
D. photosynthesis | B |
Question: How many quarks are in each proton and neutron?
Options:
A. five
B. three
C. four
D. ten | B |
Question: What is the year cycle that sunspots occur?
Options:
A. 15
B. 12
C. 11
D. 22 | C |
Question: When an unstable nucleus emits radiation and is transformed into the nucleus of other elements this is called?
Options:
A. fusion decay
B. naturally decay
C. explosive decay
D. radioactive decay | D |
Question: What is manufactured and added to foods to preserve freshness?
Options:
A. trans fat
B. carbohydrates
C. vitamin c
D. protein | A |
Question: 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?
Options:
A. typical matter
B. light matter
C. cold matter
D. dark matter | D |
Question: Why are noninfectious diseases not contagious?
Options:
A. they are viral
B. they are inherited
C. non-pathogen caused
D. they are contagious | C |
Question: Organisms that "love" acids are known as what?
Options:
A. acid heads
B. acidophiles
C. acidic
D. acidophobes | B |
Question: Which enzyme is used in step three of the polymerase chain reaction because of it's ability to withstand high temperatures?
Options:
A. carbon polumerase
B. backronym polymerase
C. minocycline polymerase
D. taq polymerase | D |
Question: What do scientists use to study the deep without going to the seafloor?
Options:
A. ultrasound machines
B. drill rigs
C. remotely operated vehicles
D. telescopes | C |
Question: The hemisphere that is tilted away from the sun is cooler because it receives less what?
Options:
A. x-rays
B. direct rays
C. direct electrons
D. pollution | B |
Question: Like the strings of cello, anything that vibrates produces waves of what?
Options:
A. light
B. sound
C. heating
D. energy | D |
Question: The point in the titration at which an indicator changes color is called what?
Options:
A. zeta point
B. end point
C. chromatic point
D. tipping point | B |
Question: On a hot, dry day, plants close their stomata to conserve what?
Options:
A. cold
B. air
C. water
D. sunlight | C |
Question: What do you call the system of glands that release chemical messenger molecules into the bloodstream?
Options:
A. homeostasis system
B. nervous system
C. limbic system
D. endocrine system | D |
Question: Reactant concentrations are highest at which part of a reaction?
Options:
A. concurrent
B. ending
C. middle
D. beginning | D |
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