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What are accessory digestive organs critical for breaking down?
A. enzymes
B. food
C. pathogens
D. hormones
Answer:
|
B
|
sciq
|
The direction of prevailing winds determines the type of what that usually moves over an area?
A. storm
B. weather
C. air mass
D. water mass
Answer:
|
C
|
sciq
|
As blood glucose levels rise what is released from the pancreas?
A. estrogen
B. hemoglobin
C. adrenaline
D. insulin
Answer:
|
D
|
sciq
|
Hydrocarbons are combined with oxygen in a series of enzymatic steps to product water, carbon dioxide, and energy, which is stored in the form of what?
A. dormant molecules
B. light
C. energy
D. reactive molecules
Answer:
|
D
|
sciq
|
The validity of thought experiments, of course, is determined by this?
A. predictive observation
B. theoretical observation
C. hypothetical observation
D. actual observation
Answer:
|
D
|
sciq
|
What do you call a close relationship between two species that benefits both?
A. parasitic relationship
B. commensalism
C. primordial relationship
D. symbiotic relationship
Answer:
|
D
|
sciq
|
Generators convert mechanical energy to which kind?
A. static
B. kinetic
C. radiation
D. electrical
Answer:
|
D
|
sciq
|
What is common in two eukaryotic proteins?
A. translation
B. one domain
C. DNA
D. cells
Answer:
|
B
|
sciq
|
What do you call egg-shaped galaxies, which are reddish to yellowish in color because they contain mostly old stars?
A. irregular galaxies
B. spiral galaxies
C. conical galaxies
D. elliptical galaxies
Answer:
|
D
|
sciq
|
When it was found that, without the force of gravity exerting pressure on the bones, bone mass was lost in astronauts, what kind of exercise provided an antidote?
A. aerobic
B. anaerobic
C. sedentary
D. resistive
Answer:
|
D
|
sciq
|
What can occur during periods of heavy rain?
A. earthquakes
B. glaciers
C. floods
D. volcanoes
Answer:
|
C
|
sciq
|
What type of energy can be used to change the position or shape of an object, thus giving it potential energy?
A. harmonic energy
B. kinetic energy
C. binary energy
D. static energy
Answer:
|
B
|
sciq
|
What equals the output power divided by the input power?
A. inertia
B. potential
C. efficiency
D. output
Answer:
|
C
|
sciq
|
Overpopulation takes place when the number of organisms in an area exceeds what?
A. predators
B. carrying capacity
C. biome size
D. consumers
Answer:
|
B
|
sciq
|
There are six fundamentally different kinds of nuclear decay reactions, and each releases a different kind of particle or what?
A. mineral
B. energy
C. mass
D. protein
Answer:
|
B
|
sciq
|
What is the only metal that is a liquid at room temperature?
A. aluminum
B. tin
C. copper
D. mercury
Answer:
|
D
|
sciq
|
Heart valves prevent what kind of blood flow from happening in the heart?
A. irregular flow
B. slow flow
C. backflow
D. quick flow
Answer:
|
C
|
sciq
|
What is the source of energy for photosynthesis?
A. carbon
B. air
C. gravity
D. light
Answer:
|
D
|
sciq
|
Different types of interference include destructive and what else?
A. constructive
B. active
C. consistent
D. helpful
Answer:
|
A
|
sciq
|
What is anything that causes cancer called?
A. carcinogen
B. bacteria
C. pesticide
D. chemical
Answer:
|
A
|
sciq
|
In comparing two solutions of unequal solute concentration, the solution with the higher solute concentration is called what?
A. hypertonic
B. acetic
C. hypothermic
D. hydrophilic
Answer:
|
A
|
sciq
|
What broad group of animals - which includes rats, dogs and camels - have highly developed brains and often perform work for humans?
A. reptiles
B. mammals
C. amphibians
D. arachnids
Answer:
|
B
|
sciq
|
What term describes a way that small molecules or ions move across the cell membrane without input of energy by the cell?
A. immune transport
B. passive transport
C. impassive transport
D. physical transport
Answer:
|
B
|
sciq
|
Do most humans feed at one trophic level, or more than one?
A. less than one
B. none
C. more than one
D. one
Answer:
|
C
|
sciq
|
What is it called when two waves combine to create a larger wave?
A. constructive interference
B. wave propagation
C. consistent interference
D. Destructive Interference
Answer:
|
A
|
sciq
|
What is the study of the relationship between electricity and chemical reactions called?
A. physical chemistry
B. inorganic chemistry
C. electrochemistry
D. analytical chemistry
Answer:
|
C
|
sciq
|
What is the term for expelling air out of the body through the nose or mouth?
A. exhalation
B. inhalation
C. induction
D. perspiration
Answer:
|
A
|
sciq
|
The lowest resonant frequency is called the what?
A. basic
B. fundamental
C. simplest
D. lowest
Answer:
|
B
|
sciq
|
Body waves and surface waves are the two major types of what, which occur during earthquakes?
A. seismic waves
B. sound waves
C. current waves
D. tidal waves
Answer:
|
A
|
sciq
|
Inferior rotation occurs during limb adduction and involves the downward motion of what?
A. choroidal cavity
B. pelvic cavity
C. dialysate cavity
D. glenoid cavity
Answer:
|
D
|
sciq
|
The speed of an electromagnetic wave is the product of its wavelength and what else?
A. frequency
B. density
C. height
D. resonance
Answer:
|
A
|
sciq
|
Electrons in inner shells are called what?
A. surface electrons
B. core electrons
C. inner electrons
D. valence electrons
Answer:
|
B
|
sciq
|
The binding of complementary bases allows dna molecules to take their well-known shape, called a what?
A. triple helix
B. simple helix
C. single helix
D. double helix
Answer:
|
D
|
sciq
|
What are the only amphibians without legs?
A. porifera
B. crustaceans
C. caecilians
D. newts
Answer:
|
C
|
sciq
|
Plants, fungi, bacteria and archaea cells all have what feature that keeps them rigid that animal cells do not have?
A. cytoplasm
B. cell membrane
C. cell walls
D. plastids
Answer:
|
C
|
sciq
|
What type of interspecies relationship involves one party being actively harmed?
A. symbiosis
B. mosaicism
C. parasitism
D. mutualism
Answer:
|
C
|
sciq
|
Which nervous system consists of all the nervous tissue that lies outside the central nervous system?
A. auxiliary nervous system
B. function nervous system
C. peripheral nervous system
D. significant nervous system
Answer:
|
C
|
sciq
|
What do organisms use to grow and repair themselves?
A. diffusion
B. cell division
C. mutation
D. cell solution
Answer:
|
B
|
sciq
|
The afferent arterioles service about 1.3 million of what in each kidney?
A. neurons
B. dendrites
C. axons
D. nephrons
Answer:
|
D
|
sciq
|
Kyphosis, lordosis, and scoliosis are all diseases involving improper curvature of which bodily structure (which is supposed to be curved in a certain way anyway)?
A. spine
B. lungs
C. aorta
D. femur
Answer:
|
A
|
sciq
|
What do herbivores eat?
A. minerals
B. meat and plants
C. animals
D. plants
Answer:
|
D
|
sciq
|
What important aspect of the scientific method is a suggested explanation for an event, which can be tested?
A. string theory
B. hypothesis
C. independent variable
D. scientific control
Answer:
|
B
|
sciq
|
What distant and extraordinarily energetic objects now seem to be early stages of galactic evolution with a supermassive black-hole-devouring material?
A. pulsars
B. stars
C. neutrinos
D. quasars
Answer:
|
D
|
sciq
|
Which gland is an extension of the hypothalamus?
A. posterior pituitary gland
B. pineal gland
C. salivary gland
D. adrenal gland
Answer:
|
A
|
sciq
|
Energy often changes between potential and what other kind of energy?
A. magnetic
B. kinetic
C. thermal
D. realized
Answer:
|
B
|
sciq
|
As the prokaryotic cell size increases, what happens to its surface area-to-volume ratio?
A. stagnates
B. halts
C. increases
D. decreases
Answer:
|
D
|
sciq
|
Why are seeds of a pine cone easily carried by the wind and dispersed?
A. seeds are small
B. seeds are dense
C. seeds are sticky
D. seeds have wings
Answer:
|
D
|
sciq
|
What do dendrites from the cell body recieve impulses from?
A. other neurons
B. other cells
C. axon
D. myelin
Answer:
|
A
|
sciq
|
During what are deletions and duplications especially likely to occur?
A. endothermia
B. nucleus
C. electrolysis
D. meiosis
Answer:
|
D
|
sciq
|
What causes maple leaves to change their colors?
A. chemical reactions
B. radiation reactions
C. factor reactions
D. artificial preservatives
Answer:
|
A
|
sciq
|
The cell body contains what central structure along with other organelles?
A. nucleus
B. electron
C. neutron
D. protons
Answer:
|
A
|
sciq
|
What is the term for the number that describes an electron's orbital orientation in space?
A. magnetic quantum number
B. magnetic electron number
C. imaging quantum number
D. relative quantum number
Answer:
|
A
|
sciq
|
Where do most red algae species live?
A. seas
B. rivers
C. oceans
D. lakes
Answer:
|
C
|
sciq
|
What term is used for darwin's idea that in stable geologic and climatic conditions evolution occurred gradually?
A. gradualism
B. elitism
C. canibalism
D. tinkering
Answer:
|
A
|
sciq
|
What element is all life built around?
A. neon
B. carbon
C. hydrogen
D. oxygen
Answer:
|
B
|
sciq
|
What are seamounts that rise above the water surface called?
A. coasts
B. islands
C. sandbars
D. reefs
Answer:
|
B
|
sciq
|
Though often regarded as the supporting cast of the nervous system, glial cells in the brain actually outnumber what by a factor of ten?
A. electrons
B. muscles
C. blood cells
D. neurons
Answer:
|
D
|
sciq
|
Dinosaurs filled the niches that mammals fill today during which era?
A. Proterozoic
B. mesozoic
C. Phanerozoic
D. Cenozoic
Answer:
|
B
|
sciq
|
The magnet field of earth is called what?
A. ionosphere
B. magnetosphere
C. atmosphere
D. troposphere
Answer:
|
B
|
sciq
|
What two types of hormones regulate mammalian reproduction?
A. endorphins and adrenaline
B. tropic and sex
C. pheromones and enzymes
D. tropic and subtropic
Answer:
|
B
|
sciq
|
In addition to five classes of fish, what other classes make up the species of vertebrates?
A. reptiles, birds, mammals, and primates
B. amphibians , vertebrae , birds , and mammals
C. amphibians, reptiles, birds, and mammals
D. insects, amphibians, reptiles, and birds
Answer:
|
C
|
sciq
|
What is the method of reproduction for echinoderms?
A. pollination
B. external fertilization
C. fragmentation
D. internal fertilization
Answer:
|
B
|
sciq
|
What is happening to the rate of the expansion of the universe?
A. it is increasing
B. it is decreasing
C. it is unknown
D. it is stable
Answer:
|
A
|
sciq
|
What are required when the damage from trauma or infection cannot be closed with sutures or staples?
A. skin grafts
B. debris grafts
C. tree grafts
D. bone grafts
Answer:
|
A
|
sciq
|
In addition to a vibrating electric field what does an electromagnetic wave consist of?
A. radiation field
B. molecular field
C. gravitational field
D. magnetic field
Answer:
|
D
|
sciq
|
What type of bones serve as points of attachment for muscles and often protect internal organs?
A. short bones
B. sesamoid bones
C. flat bones
D. irregular bones
Answer:
|
C
|
sciq
|
The presence of what stratospheric gas layer decreases the frequency of skin cancer and other damaging effects of ultraviolet radiation?
A. smog
B. plasma
C. ozone
D. cumulonimbus
Answer:
|
C
|
sciq
|
The characteristic sound of a motorcycle buzzing by is an example of which effect?
A. coreolis effect
B. polar effect
C. warp effect
D. doppler effect
Answer:
|
D
|
sciq
|
What protects the scalp from ultraviolet light exposure and loss of body heat?
A. ground hair
B. head hair
C. receding hair
D. temporal hair
Answer:
|
B
|
sciq
|
What is the name given to the use of controlled nuclear fusion as an energy source?
A. fossil fuel
B. thermonuclear power
C. generator power
D. half-life
Answer:
|
B
|
sciq
|
Some compounds containing hydrogen are members of an important class of substances known as what?
A. proteins
B. ions
C. acids
D. bases
Answer:
|
C
|
sciq
|
In which organ are bile acids made
A. liver
B. gall bladder
C. spleen
D. kidney
Answer:
|
A
|
sciq
|
What is the layer of electrons that encircle the nucleus at a distinct energy level called?
A. molecular shell
B. ions shell
C. electron shell
D. vortex shell
Answer:
|
C
|
sciq
|
What is the most common way to classify stars?
A. by distance
B. by age
C. by size
D. by color
Answer:
|
D
|
sciq
|
What is a homogeneous mixture also known as?
A. element
B. structure
C. mixture
D. solution
Answer:
|
D
|
sciq
|
Living organisms are made up of what type of carbon-based compounds?
A. biophysical
B. microbial
C. biochemical
D. synthetic
Answer:
|
C
|
sciq
|
What classification system was developed by a swedish botanist trying to classify all known living things?
A. bionumerical system
B. linnaean system
C. taxonomical system
D. plantological system
Answer:
|
B
|
sciq
|
The word science is derived from what latin word?
A. scefitana
B. scitifica
C. scentia
D. sceria
Answer:
|
C
|
sciq
|
In a model of an atom, the level with the least energy is the one closest to what?
A. center
B. nucleus
C. surface
D. protons
Answer:
|
B
|
sciq
|
What is the process of making atp without oxygen called?
A. Cell Division
B. fermentation
C. photosynthesis
D. condensation
Answer:
|
B
|
sciq
|
What is the type of mining called when materials are removed along a strip?
A. pit mining
B. surface mining
C. strip mining
D. edge mining
Answer:
|
C
|
sciq
|
Chlorine is a nonmetal and gains one electron in becoming a what?
A. anion
B. atom
C. sulfate
D. carbonate
Answer:
|
A
|
sciq
|
The most common mode of asexual reproduction is through the formation of asexual these?
A. cells
B. atoms
C. spores
D. fibers
Answer:
|
C
|
sciq
|
Some species of fish carry their fertilized eggs in their mouth until they hatch; this is called what?
A. spawning
B. mouth brooding
C. internal reproduction
D. schooling
Answer:
|
B
|
sciq
|
In a chemical reaction, what, in general, comes together in order to form a product?
A. reactants
B. gases
C. liquids
D. propellants
Answer:
|
A
|
sciq
|
What decides what may enter or leave a cell?
A. cell membrane
B. golgi apparatus
C. nucleus
D. cell wall
Answer:
|
A
|
sciq
|
What trophic level are secondary consumers (which eat primary consumers) considered to be?
A. trophic level 5
B. trophic level 4
C. trophic level 2
D. trophic level 3
Answer:
|
D
|
sciq
|
What type of map projection is used for small areas to avoid distortion?
A. mercator projection
B. unmeasured projection
C. equatorial projection
D. gnomic projection
Answer:
|
D
|
sciq
|
What do atoms form by sharing valence electrons?
A. covalent bonds
B. ionic bonds
C. neutron bonds
D. phenotype bonds
Answer:
|
A
|
sciq
|
What is the process that moves particles by rolling or dragging along the bottom of the water?
A. compaction
B. traction
C. compression
D. isolation
Answer:
|
B
|
sciq
|
Alkenes react with what to form dihalides?
A. antioxidants
B. oxides
C. amines
D. halogens
Answer:
|
D
|
sciq
|
A supervolcano that may have killed all but 10,000 humans resulted in what phenomenon, lasting up to a decade?
A. volcano fall
B. volcanic summer
C. volcano spring
D. volcanic winter
Answer:
|
D
|
sciq
|
The existence of the plasma membrane was identified in the 1890s, and its chemical components were identified in 1915. the principal components identified at that time were these?
A. gasses and proteins
B. carbohydrates and proteins
C. lipids and carbohydrates
D. lipids and proteins
Answer:
|
D
|
sciq
|
Acting like drawstrings to close off the alimentary canal, what regulates the passage of material between compartments?
A. hamstring
B. uterus
C. sphincter
D. intestine
Answer:
|
C
|
sciq
|
What man-made substance tends to break down ozone in the stratosphere?
A. cfcs
B. plastic
C. steel
D. gasoline
Answer:
|
A
|
sciq
|
What in saliva protects the lining of the mouth from abrasion and lubricates food for easier swallowing?
A. mucus
B. hairs
C. spores
D. phloem
Answer:
|
A
|
sciq
|
Which latitudes get the most energy from the sun?
A. polular latitudes
B. highest latitudes
C. lowest latitudes
D. middle latitudes
Answer:
|
C
|
sciq
|
Extended stays in zero gravity are not healthy for human beings. thus, for the comfort of the astronauts, the station is rotated so that the astronauts feel there is what?
A. Fixed Gravity
B. internal gravity
C. still gravity
D. revealed gravity
Answer:
|
B
|
sciq
|
What parts of the planet does solar energy have difficulty reaching?
A. equators
B. poles
C. deserts
D. oceans
Answer:
|
B
|
sciq
|
Oceans are made of a solution of what?
A. water and carbon
B. salt and carbon
C. salt and water
D. salt and algae
Answer:
|
C
|
sciq
|
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