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