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null | Question: These types of cella support young, growing parts of a plant?
Options:
A. angular cells
B. epidermal cells
C. pinworm cells
D. collenchyma cells
Answer: | D |
null | Question: Molecules move from an area of high concentration to an area of lower concentration until an what is met?
Options:
A. respiration
B. oxidation
C. equilibrium
D. freezing point
Answer: | C |
null | Question: What kind of muscle cells have a single nucleus and are spindle-shaped?
Options:
A. liquid muscle
B. cardiac muscle
C. skeletal muscle
D. smooth muscle
Answer: | D |
null | Question: First, high temperature denatures proteins and does what to cells?
Options:
A. exposes them
B. develops them
C. kills them
D. finds them
Answer: | C |
null | Question: The smallest units of matter that retain the unique properties of an element are known as what?
Options:
A. molecules
B. protons
C. neutrons
D. atoms
Answer: | D |
null | Question: To figure out the height of a wave you measure the distance between the crest and what?
Options:
A. core
B. trough
C. drift
D. crater
Answer: | B |
null | Question: Many diseases arise from genetic mutations that prevent the synthesis of critical what?
Options:
A. proteins
B. lipids
C. acids
D. oils
Answer: | A |
null | Question: In a cell cycle, what kind of regulator molecules allow advancement to the next stage?
Options:
A. strong
B. positive
C. similar
D. negative
Answer: | B |
null | Question: In vertebrates, what structure runs from the brain to the tail end of the backbone?
Options:
A. backbone
B. aortic valve
C. ribcage
D. spinal cord
Answer: | D |
null | Question: Minerals that are not pure elements are made of what?
Options:
A. metalloids
B. chemical compounds
C. noble gases
D. isotopes
Answer: | B |
null | Question: Behind a ship, what is the giant rectangular bucket that is dragged along from the behind called?
Options:
A. prop
B. wig
C. dredge
D. trousers
Answer: | C |
null | Question: What is the term for the hard covering that protects insects, crustaceans, and spiders?
Options:
A. exoskeleton
B. endoskeleton
C. endoplate
D. exoplate
Answer: | A |
null | Question: How does the nucleus divide during nuclear fission?
Options:
A. asymmetrically
B. evenly
C. biochemically
D. equally
Answer: | A |
null | Question: What is the term for an antibody that inappropriately marks self-components as foreign?
Options:
A. autoantibody
B. autoimmune antibody
C. compromised antibody
D. rogue antibody
Answer: | A |
null | Question: Zeros that appear in front of all of the nonzero digits are called what?
Options:
A. non-numbers
B. zero sum game
C. left-end zeros
D. significant digits
Answer: | C |
null | Question: Many objects have color because they contain what?
Options:
A. solvents
B. vitamins
C. pigments
D. salts
Answer: | C |
null | Question: What type of plants supplement their mineral nutrition by digesting animals?
Options:
A. annuals
B. herbivorous
C. carnivorous
D. perennials
Answer: | C |
null | Question: What is group 16 of the periodic table referred to?
Options:
A. acid group
B. dioxide group
C. oxygen group
D. sulfur group
Answer: | C |
null | Question: What work by lowering the activation energy of reactions and are needed to speed up chemical reactions in organisms?
Options:
A. compounds
B. enzymes
C. molecules
D. Proteins
Answer: | B |
null | Question: What type of force always opposes the direction of motion?
Options:
A. harmonic friction
B. strong force
C. kinetic friction
D. binary friction
Answer: | C |
null | Question: What is a measure of how much energy is needed to change the temperature of a substance?
Options:
A. specific heat
B. specific gravity
C. momentum
D. thermal potential
Answer: | A |
null | Question: Skeletal muscles are attached to the skeleton by tough connective tissues called what?
Options:
A. veins
B. tendons
C. fibers
D. cords
Answer: | B |
null | Question: How is oxygen transferred into the bloodstream?
Options:
A. hard diffusion
B. mean diffusion
C. simple diffusion
D. brain diffusion
Answer: | C |
null | Question: What type of bacteria are sometimes used as weapons of bioterrorism?
Options:
A. avian
B. carcinogenic
C. hypothermic
D. pathogenic
Answer: | D |
null | Question: Substances may be either elements or what?
Options:
A. existent compounds
B. fundamental compounds
C. pure compounds
D. pure chemicals
Answer: | C |
null | Question: The ocean basin begins where the ocean meets what?
Options:
A. land
B. sea
C. bay
D. river
Answer: | A |
null | 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. brain
B. kidney
C. heart
D. liver
Answer: | A |
null | Question: What system of the body is generally responsible for breathing?
Options:
A. respiratory system
B. cardiac
C. excretory
D. integumentary
Answer: | A |
null | Question: What do willow trees produce to kill bacteria?
Options:
A. Posion
B. salicylic acid
C. bacterial acid
D. facultative acid
Answer: | B |
null | Question: What did roots evolve from that plants used for aborption?
Options:
A. rhizoids
B. seeds
C. leguminous
D. oomycetes
Answer: | A |
null | Question: By what processes does the ocean modify landforms?
Options:
A. erosion and deposition
B. sweeping and deposition
C. splash and deposition
D. shape and deposition
Answer: | A |
null | Question: Chemical reactions follow which laws?
Options:
A. Chemical kinetics
B. thermodynamics
C. Archie's law
D. Physics Analysis
Answer: | B |
null | Question: Although individuals of a given species are genetically similar, they are not identical; every individual has a unique set of these?
Options:
A. habits
B. mutations
C. chromosomes
D. traits
Answer: | D |
null | Question: What are hydrocarbons most important use?
Options:
A. electricity
B. fuel
C. food
D. lightsource
Answer: | B |
null | Question: Long distance runners try to maintain constant velocity with very little acceleration or deceleration to conserve what?
Options:
A. energy
B. momentum
C. fuel
D. pressure
Answer: | A |
null | Question: What is formed when the ceiling of an underground cave collapses?
Options:
A. mountain
B. sinkhole
C. hill
D. groundwater
Answer: | B |
null | Question: What are examples of parasitic athropods?
Options:
A. crabs and clams
B. bees and wasps
C. spiders and fleas
D. ticks and many mites
Answer: | D |
null | Question: Which scale measures acids and bases and has 7 as a neutral value?
Options:
A. rock
B. respiration
C. color
D. ph
Answer: | D |
null | Question: What is a spectrometer able to produce from starlight?
Options:
A. radio waves
B. spectrum
C. aspect
D. exposure
Answer: | B |
null | Question: What is responsible for the foul smell of rancid butt?
Options:
A. Fatty Acid
B. affixed acid
C. butyric acid
D. ibogaine acid
Answer: | C |
null | Question: What does cartilage lack compared to bones, making it softer and less rigid?
Options:
A. protein
B. potassium
C. calcium
D. magnesium
Answer: | C |
null | Question: What are archaea that live in extremely hot environments called?
Options:
A. hypothermic
B. thermophiles
C. hemophiliacs
D. tardigrades
Answer: | B |
null | Question: The differing glycosidic linkages in starch and cellulose give the two molecules what kind of distinct shapes?
Options:
A. square
B. one-dimensional
C. three-dimensional
D. diamond
Answer: | C |
null | Question: Two important types of waves include longitudinal waves and what other kind?
Options:
A. irregular
B. phenomena
C. transverse
D. slow
Answer: | C |
null | Question: The urinary system can be considered a smaller part of what other body system?
Options:
A. excretory
B. extraneous
C. circulatory
D. sensory
Answer: | A |
null | Question: Where in the cell does transcription occur?
Options:
A. nucleus
B. protoplasm
C. cell wall
D. epidermis
Answer: | A |
null | Question: What are the three types of symbiosis?
Options:
A. commensalism, osmosis, internalization
B. internalization , parasitism , commensalism
C. connectionism , parasitism , commensalism
D. mutualism, parasitism, commensalism
Answer: | D |
null | Question: What are biochemical catalysts that speed up biochemical reactions?
Options:
A. enzymes
B. inhibitor
C. polymers
D. metabolites
Answer: | A |
null | Question: Where does fertilization usually take place?
Options:
A. ovary
B. vagina
C. fallopian tubes
D. uterus
Answer: | C |
null | Question: What color is pyrite?
Options:
A. black
B. blue
C. silver
D. gold
Answer: | D |
null | Question: Why do butterfly fish have fake eyespots?
Options:
A. confuse predators
B. aerodynamic purposes
C. random evolution
D. mating purposes
Answer: | A |
null | Question: Slow-twitch or fast-twitch and oxidative or glycolytic describe what type of fibers?
Options:
A. coronary muscle fibers
B. capillaries
C. skeletal muscle fibers
D. digestion muscle fibers
Answer: | C |
null | Question: What type of force allows non-polar molecules to interact?
Options:
A. experienced dispersion
B. london dispersion
C. centrifigal dispersion
D. graviitational force
Answer: | B |
null | Question: What do most ecosystems get energy from?
Options:
A. evaporation
B. sunlight
C. moisture
D. magma
Answer: | B |
null | Question: What is the cause of most ocean waves?
Options:
A. Magnetic pull
B. winds
C. Gravity
D. tides
Answer: | B |
null | Question: What is the space between a neuron and the next cell?
Options:
A. neurotransmitter passage
B. cell divide
C. dendritic gap
D. the synapse
Answer: | D |
null | Question: What evolutionary process has adapted protonephridia to different tasks in different environments?
Options:
A. natural selection
B. natural change
C. natural reproduction
D. natural variety
Answer: | A |
null | Question: What is the tough tissue that contains collagen?
Options:
A. muscle
B. fiber
C. cartilage
D. membrane
Answer: | C |
null | Question: How many types of mechanical waves are there?
Options:
A. three
B. one
C. nine
D. five
Answer: | A |
null | Question: The inside of the small intestine has many folds, called villi. microvilli are lined with blood vessels as well as lymphatic vessels. the inside of the small intestine is called this?
Options:
A. porous
B. lumen
C. osmotic
D. reticular
Answer: | B |
null | Question: The needle of a compass is made of what element?
Options:
A. nickel
B. iron
C. tin
D. aluminum
Answer: | B |
null | Question: What force includes forces of attraction and repulsion?
Options:
A. centripetal force
B. molecular force
C. magnetic force
D. gravitational force
Answer: | C |
null | Question: What are misfolded versions of normal brain proteins?
Options:
A. prions
B. humans
C. ribosomes
D. protons
Answer: | A |
null | Question: On the ventral side of the embryonic disc, opposite the amnion, cells in the lower layer of the embryonic disk (the hypoblast) extend into the blastocyst cavity and form this?
Options:
A. embryo sac
B. algae sac
C. yolk sac
D. neural sac
Answer: | C |
null | Question: What causes the particles of medium to move parallel to the direction of the wave?
Options:
A. Sound waves.
B. mechanical waves
C. fluid waves
D. longitudinal waves
Answer: | D |
null | Question: What substance do developing seeds produce which promotes fruit growth?
Options:
A. interferon
B. auxin
C. pepsin
D. xenon
Answer: | B |
null | Question: Relative humidity is related to the partial pressure of what in the air?
Options:
A. gas vapor
B. water vapor
C. air vapor
D. solid vapor
Answer: | B |
null | Question: Which has a higher metabolic rate, a mouse or an elephant?
Options:
A. mouse
B. elephant
C. rabbit
D. rat
Answer: | A |
null | Question: Dissolved oxygen in seawater is critical for sea creatures, but as the oceans warm, oxygen becomes less what?
Options:
A. soluble
B. insoluble
C. saturated
D. abundant
Answer: | A |
null | Question: What is an area that is saturated with water or covered by water for at least one season of the year?
Options:
A. a valley
B. a peat
C. a bog
D. a wetland
Answer: | D |
null | Question: Reactant concentrations are highest at which part of a reaction?
Options:
A. beginning
B. concurrent
C. middle
D. ending
Answer: | A |
null | Question: How can one dimensional vectors be added?
Options:
A. incrementally
B. arithmetically
C. exponentially
D. sequentially
Answer: | B |
null | Question: What are the antibodies an animal produces after exposure to a microbial antigen?
Options:
A. polyclonal
B. chimeric
C. isolated
D. monoclonal
Answer: | A |
null | Question: What is the name of the mechanism in which sounds are encoded in microwaves by changing their frequency?
Options:
A. mechanical modulation
B. molecular modulation
C. frequency modulation
D. shape modulation
Answer: | C |
null | Question: What does it mean to be a diploid organism?
Options:
A. organism has two copies of each gene
B. micelles have two copies of each gene
C. taproot has two copies of each gene
D. yolk has two copies of each gene
Answer: | A |
null | Question: What is the process in which gases are exchanged between the body and the outside air?
Options:
A. metabolism
B. respiration
C. ingestion
D. precipitation
Answer: | B |
null | Question: What happens to a species when all of the individuals die out or evolve into a different species?
Options:
A. depletion
B. accumulation
C. selection
D. extinction
Answer: | D |
null | Question: The fact that all animals have certain traits in common shows that they share what?
Options:
A. a common planet
B. a common brain
C. a common ancestor
D. a common gene
Answer: | C |
null | Question: H2o is the chemical formula for what?
Options:
A. smog
B. water
C. salt
D. glass
Answer: | B |
null | Question: Pure substances have a constant composition and can only be changed through what?
Options:
A. chemical reactions
B. heating
C. liquid reactions
D. dissolution
Answer: | A |
null | Question: Metabolism is the collection of what that occur in an organism?
Options:
A. chemical reactions
B. mineral reactions
C. mechanical reactions
D. growth reactions
Answer: | A |
null | Question: What has the burning of fossil fuels increased in the atmosphere?
Options:
A. carbon dioxide
B. temperature
C. oxygen
D. ozone
Answer: | A |
null | Question: What type of doctor specializes in the laboratory detection of disease?
Options:
A. infectious disease physician
B. pathologist
C. internist
D. diagnostician
Answer: | B |
null | Question: What is a threat against civilized people called?
Options:
A. bombing
B. pandemic
C. disaster
D. bioterrorism
Answer: | D |
null | Question: What type of resource cannot be replaced as easily as it is consumed?
Options:
A. biological
B. renewable
C. nonrenewable
D. untapped
Answer: | C |
null | Question: What type of compound is essential to life?
Options:
A. nitrogen
B. carbon
C. oxygen
D. water
Answer: | D |
null | Question: A very small artery that leads to a capillary is known as what?
Options:
A. arterium
B. vein
C. arteriole
D. capillary junction
Answer: | C |
null | Question: What are the flattened, disk-shaped cells in blood that carry oxygen?
Options:
A. red blood cells
B. platlets
C. plasma
D. white blood cells
Answer: | A |
null | Question: Present-day plants that have a complex vascular tissue system are called what kind of plants?
Options:
A. vasuluar plants
B. pinworm plants
C. cirulatory plants
D. vasculated plants
Answer: | A |
null | Question: Most diseases caused by bacteria can be cured by which medicines?
Options:
A. antibiotics
B. hydroxides
C. antioxidants
D. inhibitors
Answer: | A |
null | Question: Part of the fossil record, stromatolites belong to what rock group and are formed when minerals are precipitated out of water by prokaryotes in a microbial mat?
Options:
A. igneous
B. metamorphic
C. sedimentary
D. crystalline
Answer: | C |
null | Question: What rigid layer surrounds the cell membrane of a plant cell?
Options:
A. cuticle
B. bark
C. epidermis
D. cell wall
Answer: | D |
null | Question: Air conditioning systems can incubate certain bacteria and what else?
Options:
A. mold
B. root
C. wood
D. Cancer
Answer: | A |
null | Question: What is the leading cause of soil erosion?
Options:
A. glacier movement
B. volcanic explosions
C. running water
D. tidal winds
Answer: | C |
null | Question: If a unit is named after a person it needs to be?
Options:
A. capitalized
B. short
C. squandered
D. forgotten
Answer: | A |
null | Question: Water waves act as a mix of longitudinal and what other kind of wave?
Options:
A. latitudinal
B. lateral wave
C. variable wave
D. transverse wave
Answer: | D |
null | Question: What begins when an oogonium with the diploid number of chromosomes undergoes mitosis?
Options:
A. gametogenesis
B. germination
C. oogenesis
D. morphogenesis
Answer: | C |
null | Question: What force pulls people and objects toward the center of the earth?
Options:
A. gravity
B. variation
C. magnetism
D. motion
Answer: | A |
null | Question: Solar cells convert the energy in sunlight to what type of energy?
Options:
A. active energy
B. electrical energy
C. radical energy
D. stellar energy
Answer: | B |
null | Question: Like ammonia, hydrazine is both a brønsted base and which other base?
Options:
A. lewis base
B. dynamic base
C. unit base
D. floyd base
Answer: | A |
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