question stringlengths 68 502 | answer stringclasses 4 values |
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Question: When animals get rid of their gaseous waste, what is exhaled through their mouth and nose?
Options:
A. carbon monoxide
B. carbon dioxide
C. hydrogen
D. oxygen | B |
Question: What is another name for composite volcanos?
Options:
A. stratovolcanoes
B. fault lines
C. fjords
D. seismic giants | A |
Question: Fossil records support the idea that periods of little change may be interrupted by bursts of rapid change, an evolutionary model contrasted by what?
Options:
A. elitism
B. gradualism
C. darwinian
D. minimalism | B |
Question: What type of winds occur when air is forced over a mountain range?
Options:
A. doldrums
B. chinook winds
C. trade winds
D. local winds | B |
Question: What do clouds trap into the atmosphere at night?
Options:
A. light
B. seawater
C. heat
D. smog | C |
Question: A nerve cell that carries messages is called a?
Options:
A. platelet
B. mitochondria
C. stem cell
D. neuron | D |
Question: What group of animals are the largest arthropods?
Options:
A. insects
B. spiders
C. fish
D. birds | A |
Question: What term describes a collection of similar cells that had a common embryonic origin?
Options:
A. organ-level organization
B. tissue
C. nucleus
D. plasma | B |
Question: Most biochemical molecules are macromolecules, meaning that they are what?
Options:
A. very small
B. very abundant
C. very large
D. very dense | C |
Question: The name of a spinal cord region corresponds to the level at which spinal nerves pass through the what?
Options:
A. intervertebral foramina
B. synovial fluid
C. notochord
D. lumbar foramina | A |
Question: Tests for levels of what in blood allow a diabetic patient to regulate how much insulin to administer?
Options:
A. protein
B. chloride
C. alcohol
D. glucose | D |
Question: The process of breaking down food into nutrients is known as __________
Options:
A. filtration
B. energy
C. absorption
D. digestion | D |
Question: Reasoning can be broken down into two categories: deduction and?
Options:
A. preduction
B. conduction
C. induction
D. invention | C |
Question: What are used to make maps of the moon and other planets?
Options:
A. imaging satellites
B. rendering satellites
C. radio telescopes
D. topographical charts | A |
Question: What term describes how closely packed the particles of matter are?
Options:
A. space
B. range
C. mass
D. density | D |
Question: Populations of viruses do not grow through cell division because they?
Options:
A. non living
B. are not cells
C. Static
D. Acidic | B |
Question: What is likely to happen to a parasite if it kills its host?
Options:
A. it dies
B. it mutates
C. it adapts
D. it thrives | A |
Question: What is a type of solid that lacks an ordered internal structure?
Options:
A. an amorphous solid
B. a sponge
C. an elastic solid
D. ice | A |
Question: What is it called when you get the same result after repeating an experiment?
Options:
A. variable
B. control
C. replication
D. initiation | C |
Question: What is the largest human organ?
Options:
A. skin
B. lungs
C. stomach
D. brain | A |
Question: In the chest, the trachea divides as it enters the lungs to form the right and left what?
Options:
A. ventricle
B. bronchi
C. atrium
D. alveoli | B |
Question: Many objects have color because they contain what?
Options:
A. salts
B. pigments
C. solvents
D. vitamins | B |
Question: What is the process of action potentials in myelinated axons jumping between the nodes of ranvier called?
Options:
A. pinworm conduction
B. saltatory movement
C. saltatory conduction
D. photoreactive conduction | C |
Question: What do craters and rifts become when the fill with water?
Options:
A. lakes
B. grasses
C. creeks
D. rivers | A |
Question: What kind of power does not produce any pollutants, but produces waste that can be difficult to dispose of?
Options:
A. solar
B. biofuel
C. electrical
D. nuclear | D |
Question: What is the long, narrow tube that carries food from the pharynx to the stomach by the mechanism of peristalsis?
Options:
A. gallbladder
B. liver
C. spinal cord
D. esophagus | D |
Question: What is the temperature at which condensation of water vapor occurs called?
Options:
A. the cooling point
B. the tipping point
C. the boiling point
D. the dew point | D |
Question: Alkenes have double bonds while alkynes have what?
Options:
A. quadruple bonds
B. triple bonds
C. equal bonds
D. single bonds | B |
Question: What is our main source of aluminum ore?
Options:
A. tin
B. cobalt
C. bauxite
D. coal | C |
Question: Rapidly produced genetic vairants are found in organisms with what type of generation time?
Options:
A. repeating
B. long
C. oscillating
D. short | D |
Question: What are the 2 primary hosts of ebola in central africa?
Options:
A. apes and hippos
B. lions and elephants
C. apes and bats
D. hyenas and apes | C |
Question: Unlike prokaryotic cells, dna and rna synthesis in eukaryotic cells occurs in a separate compartment from synthesis of what?
Options:
A. membrane
B. acids
C. protein
D. phenotype | C |
Question: What important organelle (that would otherwise be centrally located and crucial to the cell's survival) do prokaryotic cells lack?
Options:
A. electrons
B. protons
C. molecules
D. nucleus | D |
Question: What is the outer layer of an axon that acts like a layer of insulation, similar to the plastic that encases an electrical cord?
Options:
A. lipids sheath
B. layer sheath
C. nerve sheath
D. myelin sheath | D |
Question: What occurs when some members of a species become geographically separated?
Options:
A. divergent speciation
B. reflective speciation
C. allopatric speciation
D. symbiotic speciation | C |
Question: What creatures evolved from a lobe-finned lungfish ancestor?
Options:
A. birds
B. horses
C. mice
D. amphibians | D |
Question: What is the term for a mixture of two or more substances that has the same composition throughout?
Options:
A. solution
B. structure
C. fluid
D. simple liquid | A |
Question: What are flagellate protozoa that cause giardiasis?
Options:
A. diatoms
B. plankton
C. fungus
D. giardia | D |
Question: Rna and dna are types of what biochemical compounds containing the elements carbon, hydrogen, oxygen, nitrogen, and phosphorus?
Options:
A. nitrous acids
B. nucleic acids
C. hormones
D. amino acids | B |
Question: What are the contacts between neurons called?
Options:
A. impulses
B. electrodes
C. synapses
D. neurapses | C |
Question: What is the color of the powder of a mineral?
Options:
A. gray
B. organic
C. streak
D. blue | C |
Question: What basic plant structure facilitates dispersal of pollen and fruit by raising reproductive structures?
Options:
A. leaf
B. flower
C. stem
D. root | C |
Question: What type of compound is essential to life?
Options:
A. water
B. oxygen
C. nitrogen
D. carbon | A |
Question: Which part of the ear amplifies the sound waves?
Options:
A. middle ear
B. ear canal
C. cochlea
D. eardrum | A |
Question: The shape of a virus is determined by the type and arrangement of proteins in its what?
Options:
A. capsid
B. enamel
C. nuclei
D. anode | A |
Question: What is the rising and sinking of warm and cooler material called?
Options:
A. conveyance
B. convection
C. depression
D. diffusion | B |
Question: What is a group of connected cells that have a similar function within an organism called?
Options:
A. tissue
B. nucleus
C. organ
D. colony | A |
Question: The number of what subatomic particles can vary between atoms of the same element?
Options:
A. neutrons
B. protons
C. neurons
D. electrons | A |
Question: Water is recycled constantly through which system?
Options:
A. the hydropshere
B. the habitat
C. the troposphere
D. the ecosystem | D |
Question: The process in which organ systems work to maintain a stable internal environment is called what?
Options:
A. homeostasis
B. thrombosis
C. ketosis
D. consciousness | A |
Question: What do scientist's believe mercury's core is mostly made of?
Options:
A. water
B. melted iron
C. helium gas
D. quicksilver | B |
Question: What material comprises the sun and other stars, as well as lightning and the northern lights?
Options:
A. plasma
B. gamma
C. gas
D. aurora | A |
Question: The function of which organ is to filter blood and form urine?
Options:
A. lungs
B. liver
C. gallbladder
D. kidneys | D |
Question: The attraction between all objects in the universe is known as ______.
Options:
A. gravity
B. electricity
C. variation
D. magnetism | A |
Question: Friction causes the molecules on rubbing surfaces to move faster, which produces what?
Options:
A. cold
B. heat
C. precipitation
D. life | B |
Question: The cell wall acts as an extra layer of protection, helps the cell maintain its shape, and prevents what?
Options:
A. Respiration
B. dehydration
C. extinction
D. exhaustion | B |
Question: What's another term for egg-laying mammals?
Options:
A. monotremes
B. viviparus
C. amphibians
D. herbivores | A |
Question: What code is the same in all living things and shows that all organisms are related by descent from a common ancestor?
Options:
A. genetic
B. intrinsic
C. descendant
D. biochemical | A |
Question: All animals that derive energy from food are classified as what?
Options:
A. heliotrophs
B. paleotrophs
C. heterotrophs
D. lifeforms | C |
Question: Through which process is the human gene for insulin placed into bacteria?
Options:
A. mutation
B. absorption
C. migration
D. transformation | D |
Question: What is a symbiotic relationship in which both species benefit?
Options:
A. parasitism
B. mutualism
C. inorganic
D. detrimental | B |
Question: What is the term for longer chains of monosaccharides ?
Options:
A. polysaccharides
B. proteins
C. oligosaccharides
D. hydrocarbons | A |
Question: Electrical potential energy can be described by the equation pe = qv, where q is the electric charge and v is what?
Options:
A. frequency
B. voltage
C. amplitude
D. wavelength density | B |
Question: What are broad explanations that are widely accepted as true?
Options:
A. scientific hypotheses
B. scientific experiments
C. informal theories
D. scientific theories | D |
Question: What process is at work when warm air or water rises, and cool air or water sinks?
Options:
A. radiation
B. evaporation
C. moisture
D. convection | D |
Question: If force is applied further away from a pivot point, than what kind of acceleration will be greater?
Options:
A. rectangular
B. parameters
C. angular
D. circular | C |
Question: The kinetic-molecular theory as it applies to gases has how many basic assumptions?
Options:
A. four
B. five
C. two
D. seven | B |
Question: During photosynthesis, what is energy from the sun converted to after entering a plant?
Options:
A. chloride
B. Proteins
C. Carbon
D. glucose | D |
Question: Formic acid is found in the secretions of?
Options:
A. stomach acid
B. sweat glands
C. stinging ants
D. acid rain | C |
Question: What do hydrophilic substances have an affinity for?
Options:
A. soil
B. water
C. heat
D. air | B |
Question: What is a structure that consists of two or more types of tissues that work together to do the same job?
Options:
A. organ system
B. organ
C. cell
D. organism | B |
Question: What is formed when amino acids are linked together in a long chain?
Options:
A. water molecule
B. hormones
C. protein
D. amino acid | C |
Question: Both diffusion and effusion are related to the speed at which what objects move?
Options:
A. electricity
B. solids
C. gas molecules
D. copper molecules | C |
Question: Baroreceptors in the aortic arch and carotid sinuses monitor what level in the body?
Options:
A. air intake
B. temperature
C. blood pressure
D. hunger | C |
Question: The electronegativity of an element increases with increasing of what state?
Options:
A. isolation
B. conduction
C. evaporation
D. oxidation | D |
Question: Animals require air, water, and what in order to live and survive?
Options:
A. food?
B. time
C. mates
D. shade | A |
Question: How many types of bosons are there?
Options:
A. four
B. three
C. one
D. five | A |
Question: What astronomical phenomenon, formed of split asteroids or planetary rocks, provides clues about our solar system?
Options:
A. stars
B. meteorites
C. galaxies
D. comets | B |
Question: An electron possesses both particle and these?
Options:
A. land properties
B. wave properties
C. surging properties
D. shock properties | B |
Question: What are mutant versions of normal genes called?
Options:
A. extinction - oncogenes
B. proto-oncogenes
C. antecedent - oncogenes
D. anti-oncogenes | B |
Question: The heart and a network of blood vessels that run throughout the body make up what organ system?
Options:
A. lymphatic system
B. immune system
C. cardiovascular system
D. respiratory system | C |
Question: When a predator kills and eats its prey, what sort of predation is this referred to as?
Options:
A. false
B. just
C. true
D. predestined | C |
Question: Pressure, volume, and temperature are related by which law?
Options:
A. Murphy's Law
B. law of inertia
C. gas law
D. Law of Conservation | C |
Question: Different forms, or allotropes, of carbon are diamond, graphite, and what?
Options:
A. vesicles
B. carbonite
C. ligands
D. fullerenes | D |
Question: What is the process in which organisms reproduce sexually by joining gametes called?
Options:
A. propagation
B. fertilization
C. stimulation
D. migration | B |
Question: What is the force of attraction between things that have mass
Options:
A. momentum
B. motion
C. gravity
D. friction | C |
Question: Mitosis and meiosis are two types of what process, with dramatically different products?
Options:
A. cell transition
B. cell division
C. cell solution
D. cell diffusion | B |
Question: Zinc reacting with hydrochloric acid produces bubbles of which gas?
Options:
A. carbon
B. helium
C. mustard
D. hydrogen | D |
Question: Water gains and loses what more slowly than does land, affecting seasonal conditions inland and on the coast?
Options:
A. minerals
B. humidity
C. heat
D. volume | C |
Question: Covalent solutes separate into what when dissolved?
Options:
A. second molecules
B. individual molecules
C. new molecules
D. true molecules | B |
Question: What term indicates moles per liter, whereas molality is moles per kilogram of solvent?
Options:
A. molarity
B. kilocalorie
C. pollenation
D. abundance | A |
Question: Many of the hormones are secreted in response to what signals of the body?
Options:
A. heart system signals
B. skeletal system signals
C. nervous system signals
D. nose system signals | C |
Question: What are two of the most common vision problems?
Options:
A. blindness and astigmatism
B. nearsightedness and farsightedness
C. myopia and nearsightedness
D. cross-eye and blindness | B |
Question: Hydrochloric acid is formed when hcl is dissolved into what?
Options:
A. sodium
B. water
C. blood
D. plasma | B |
Question: Atoms of the same element that have different masses are called what?
Options:
A. variations
B. radioactive
C. mutations
D. isotopes | D |
Question: What term is used to describe potential energy due to an object’s shape?
Options:
A. elastic potential energy
B. kinetic energy
C. flexible energy
D. stimulated potential energy | A |
Question: What property is characterized by eddies and swirls that mix layers of fluid together, unlike laminar flow?
Options:
A. turbulence
B. compression
C. evaporation
D. combustion | A |
Question: What process refers to a separation of charge within an atom or molecule?
Options:
A. convection
B. rotation
C. diffusion
D. polarization | D |
Question: What is the largest cartilaginous fish?
Options:
A. dolphin
B. blue whale
C. whale shark
D. sturgeon | C |
Question: Capillaries in the chorionic villi filter fetal wastes out of the blood and return clean, oxygenated blood to the fetus through what?
Options:
A. umbilical vein
B. separates vein
C. skin vein
D. Back Vein | A |
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