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What noble gas follows hydrogen on the periodic table?
A. nitrogen
B. helium
C. oxygen
D. halogen
Answer:
|
B
|
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What is the order and family of a meat-eating cat like a tiger?
A. carnivora felidae
B. hierarchies felidae
C. Synapsida felidae
D. Mammalia felidae
Answer:
|
A
|
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|
What is required between cytoskeleton and motor proteins for cell motility?
A. absorption
B. inhibition
C. interaction
D. translation
Answer:
|
C
|
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|
Underground rock in a molten state is called?
A. lava
B. gaseous
C. igneous
D. magma
Answer:
|
D
|
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|
What takes over the synthesis and secretion of progesterone throughout pregnancy as the corpus luteum degenerates?
A. ovaries
B. uterus
C. placenta
D. vagina
Answer:
|
C
|
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|
Distillation is an effective method to separate mixtures comprised of two or more what?
A. solutes
B. ionic compounds
C. pure liquids
D. elements
Answer:
|
C
|
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|
Aids is an infectious disease of which system?
A. muscular
B. digestion
C. endocrine
D. immune
Answer:
|
D
|
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|
Where are the olfactory organs of snails located?
A. their shell
B. their feet
C. their anus
D. their tentacles
Answer:
|
D
|
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|
What is the term for a pure substance that possesses unique properties and cannot be broken down into other substances?
A. element
B. plastic
C. light
D. alloy
Answer:
|
A
|
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|
What is the term for a cross in which the inheritance of two characteristics are tracked at the same time?
A. Mendelian
B. fraternal
C. identical twin
D. dihybrid cross
Answer:
|
D
|
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|
Through what system of the body do hormones generally travel?
A. excretory
B. circulatory system
C. endocrine
D. respiratory
Answer:
|
B
|
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|
What sort of digestion do animals engage in?
A. external
B. poison
C. internal
D. essential
Answer:
|
C
|
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|
What is the most abundant biochemical compound?
A. tissue
B. cellulose
C. soil
D. methane
Answer:
|
B
|
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|
When organisms penetrate a rock, they accelerate breakdown by chemical means and what other means?
A. temperature
B. mechanical
C. geological
D. ecological
Answer:
|
B
|
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|
What determines velocity?
A. change in direction
B. distance over time in a given direction
C. direction
D. mass per unit
Answer:
|
B
|
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|
What term is used to describe a simple diagram that shows one way energy flows through an ecosystem?
A. water cycle
B. food pyramid
C. fuel chain
D. food chain
Answer:
|
D
|
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|
How can nuclear fusion in stars be simulated?
A. nitrogen accelerators
B. nuclear reactors
C. plutonium accelerators
D. particle accelerators
Answer:
|
D
|
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|
What type of tissue transmits nerve impulses throughout the body?
A. epithelial
B. nervous
C. fibrous
D. connective
Answer:
|
B
|
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|
Animals produce most of what chemicals, which are needed to synthesize the fatty acids they need?
A. enzymes
B. solvents
C. hormones
D. carbohydrates
Answer:
|
A
|
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|
How do parathyroid hormones react as a body ages?
A. use with age
B. decrease with age
C. help with age
D. increase with age
Answer:
|
D
|
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|
What describe the fraction or percentage of a mixture that is made up of a particular substance.
A. atomic weight
B. mole fractions
C. molecular scale
D. solute level
Answer:
|
B
|
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|
What are the most numerous organisms in the world?
A. jellyfish
B. reptiles
C. insects
D. primates
Answer:
|
C
|
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|
What helps push the fetus from the uterus during birth?
A. tremors
B. contractions
C. glands
D. Shaking
Answer:
|
B
|
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|
Telescopes use which kind of lenses to enlarge images?
A. spherical
B. crystalline
C. convex
D. concave
Answer:
|
C
|
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|
How does uric acid react to water?
A. explodes
B. does not dissolve
C. mixes
D. does not form
Answer:
|
B
|
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|
Which kingdom are mosses and trees included in?
A. plant
B. protista
C. gymnosperm
D. fungus
Answer:
|
A
|
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|
What is the developing human organism referred to as from the end of the eighth week until birth?
A. nucleus
B. fetus
C. babies
D. egg
Answer:
|
B
|
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|
In an acidic medium, add which ions to balance?
A. magnesium
B. calcium
C. hydrogen
D. helium
Answer:
|
C
|
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|
Which type of plankton make food via photosynthesis?
A. dinoflagellates
B. phytoplankton
C. common plankton
D. zooplankton
Answer:
|
B
|
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|
What is capable of altering the rate of time passing?
A. weak gravitational fields
B. strong magnetic fields
C. strong planetary fields
D. strong gravitational fields
Answer:
|
D
|
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|
Damages and deaths are directly affected by what in an earthquake?
A. structures
B. shaking
C. natural
D. construction
Answer:
|
D
|
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|
What is the the basic si unit for mass?
A. volume
B. pound
C. density
D. kilogram (kg)
Answer:
|
D
|
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|
What are objects that are launched into the air called?
A. stones
B. booms
C. projectiles
D. shoots
Answer:
|
C
|
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|
What are hydrocarbons with double bonds called?
A. amines
B. alcohols
C. alkenes
D. aldehydes
Answer:
|
C
|
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|
What is the liquid component in blood?
A. plasma
B. aqueous humor
C. hemoglobin
D. respiration
Answer:
|
A
|
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|
Functional groups are groups of atoms that occur within molecules and confer specific chemical properties to those molecules. they are found along the “carbon backbone” of what?
A. inorganic molecules
B. micromolecules
C. macromolecules
D. functional molecules
Answer:
|
C
|
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|
Predators can replace what tool in agriculture.
A. fertilizer
B. pesticides
C. irrigators
D. harvesters
Answer:
|
B
|
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|
What is a mixture of eroded rock, minerals, partly decomposed organic matter, and other materials called?
A. loam
B. sediment
C. soil
D. sand
Answer:
|
C
|
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|
All cells need what for energy?
A. glucose
B. oxygen
C. light
D. insulin
Answer:
|
A
|
sciq
|
In an experiment, what is the affected variable called?
A. form variable
B. dependent variable
C. independent variable
D. control variable
Answer:
|
B
|
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|
Does the stream-lined body featured on most fish increase or decrease water resistance?
A. precipitates
B. decrease
C. quickens
D. increases
Answer:
|
B
|
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|
What is the role of the sodium ion in the neutralization reaction of sodium flouride?
A. reflection ion
B. circuit ion
C. team ion
D. spectator ion
Answer:
|
D
|
sciq
|
What is the name of the line used in topographic maps that shows different elevations?
A. a crater line
B. a patch line
C. a contour line
D. a curve line
Answer:
|
C
|
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|
Sporangia produce spores that develop into tiny, heart-shaped what?
A. filaments
B. tubules
C. gametophytes
D. cells
Answer:
|
C
|
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|
A long chain of mountains that rises up high above the deep seafloor is called?
A. sea mounds
B. oceanic alps
C. mid-ocean ridges
D. blue ridge mountains
Answer:
|
C
|
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|
When bacteria are destroyed by leukocytes, what are released into the blood?
A. pyrogens
B. sporozoans
C. proteins
D. carcinogens
Answer:
|
A
|
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|
Hierarchical classification can reflect the branching patterns of phylogenetic?
A. animals
B. trees
C. fruits
D. birds
Answer:
|
B
|
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|
Unstable isotopes give off particles and energy as what?
A. radiation
B. radioactivity
C. electricity
D. ultraviolet light
Answer:
|
B
|
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|
What structure is an organelle that contains enzymes that break down and digest unneeded cellular components?
A. tissue
B. lysosome
C. centrosome
D. peroxisome
Answer:
|
B
|
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|
What is the unit used to measure voltage?
A. watt
B. ampere
C. volts
D. ohm
Answer:
|
C
|
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|
What type of gases are used for balloons, light bulbs and lighted signs?
A. helium
B. heavy
C. noble
D. ignoble
Answer:
|
C
|
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|
Some living things on the ocean floor are sources of what human necessity?
A. steroids
B. pesticides
C. medicines
D. hormones
Answer:
|
C
|
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|
Many protists form what kind of beneficial association with other species?
A. Opportunistic
B. Facultative
C. evolved
D. symbiotic
Answer:
|
D
|
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|
When two of these meet, the result is often a storm?
A. air masses
B. air pockets
C. electromagnetic waves
D. tectonic plates
Answer:
|
A
|
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|
What causes food to move through the esophagus?
A. apoptosis
B. proteolysis
C. peristalsis
D. photosynthesis
Answer:
|
C
|
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|
What do we call the solid form of hydrocarbons?
A. shale
B. coal
C. bauxite
D. methane
Answer:
|
B
|
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|
What is needed to create muscles, regulate chemical reactions, and transport oxygen?
A. enzymes
B. lipids
C. proteins
D. cytoplasm
Answer:
|
C
|
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|
What does the vertebral column , or backbone, protect?
A. axons
B. neurons
C. disks
D. spinal cord
Answer:
|
D
|
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|
X rays and what other type of electromagnetic wave has the shortest wavelengths and the highest frequencies?
A. plasma rays
B. gamma rays
C. ultraviolet rays
D. X-rays
Answer:
|
B
|
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|
The anterior pituitary produces seven different what, each with a special function?
A. enzymes
B. proteins
C. hormones
D. neurotransmitters
Answer:
|
C
|
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|
What is the term for the measure of the average kinetic energy of the particles in matter?
A. temperature
B. voltage
C. precipitation
D. friction
Answer:
|
A
|
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|
Pepsin and trypsin are examples of enzymes involved in what bodily process?
A. perspiration
B. filtration
C. regeneration
D. digestion
Answer:
|
D
|
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|
What is the only metalloid in group 13?
A. gallium
B. phosphorus
C. alluminum
D. boron
Answer:
|
D
|
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|
How is a mammal developed if not inside of a placenta or a pouch?
A. hatched from eggs
B. spawning or budding
C. cloning
D. mitosis
Answer:
|
A
|
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|
Slime molds have several morphological similarities to fungi, including spore-generation, that are thought to be the result of convergent what?
A. evolution
B. phenomenon
C. generation
D. emergence
Answer:
|
A
|
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|
What do willow trees produce to kill bacteria?
A. chlorophyll
B. enzymes
C. salicylic acid
D. cytoplasmic acid
Answer:
|
C
|
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|
The ph scale is a scale used to express the concentration of hydrogen ions in solution. a neutral solution, neither acidic nor basic, has a ph of what?
A. 8
B. 0
C. 7
D. 6
Answer:
|
C
|
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|
What is the term for something left behind by once-living organisms?
A. waste matter
B. deposits
C. decay
D. fossils
Answer:
|
D
|
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|
What connects the peripheral nervous system to the central nervous system?
A. nerves
B. fibers
C. veins
D. wires
Answer:
|
A
|
sciq
|
In which supergroup are red algae and green algae included?
A. spirogyra
B. troglodyte
C. archaeplastida
D. xerophyte
Answer:
|
C
|
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|
If a machine only changes the direction of a force without changing the ratio of the output/input forces, then what is its associated mechanical advantage?
A. 1
B. 4
C. 2
D. 1.5
Answer:
|
A
|
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|
What is an advantage of brightly colored fruits?
A. warning of poisons
B. dyes for clothing
C. attract animals to disperse their seeds
D. make pretty paintings
Answer:
|
C
|
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|
What is the apt term for the very slow movement of rock and soil down a hillside?
A. landslide
B. drop
C. glide
D. creep
Answer:
|
D
|
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|
The zeros at the end of a number are known as what?
A. edge zeros
B. remaining zeros
C. rest zeros
D. trailing zeros
Answer:
|
D
|
sciq
|
Does water get colder or warmer the deeper you go?
A. warmer
B. colder, than warmer
C. colder
D. neither
Answer:
|
C
|
sciq
|
Many transition metals and their compounds are used as what?
A. bases
B. catalysts
C. insulators
D. sealants
Answer:
|
B
|
sciq
|
What do willow trees produce to kill bacteria?
A. facultative acid
B. Posion
C. bacterial acid
D. salicylic acid
Answer:
|
D
|
sciq
|
What do decomposers release once they have broken down the dead organisms?
A. organic molecules
B. inorganic molecules
C. essential molecules
D. unusable molecules
Answer:
|
B
|
sciq
|
Often determining the strength or intensity of a wave, this term is the distance from the equilibrium point of motion to either its lowest or highest point?
A. frequency
B. density
C. amplitude
D. peak
Answer:
|
C
|
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|
Which type of muscle fiber can sustain long contractions?
A. direct fibers
B. slow fibers
C. intense fibers
D. fast fibres
Answer:
|
B
|
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|
We would genetically be all the same if genes did not have different what?
A. atoms
B. alleles
C. bases
D. antigens
Answer:
|
B
|
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|
Thylakoid membranes contain molecules of what green pigment used in photosynthesis?
A. carbonate
B. copper
C. chlorophyll
D. sodium
Answer:
|
C
|
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|
What is the name for a way of learning that involves reward or punishment?
A. instinct
B. objective
C. conditioning
D. subjective
Answer:
|
C
|
sciq
|
What scale measures the total energy released by an earthquake?
A. direct magnitude scale
B. moment radiation scale
C. moment magnitude scale
D. moment identification scale
Answer:
|
C
|
sciq
|
All enzymes have an optimal temperature and what?
A. weight
B. shapes
C. ph
D. ions
Answer:
|
C
|
sciq
|
When do homologous chromosomes form pairs?
A. meiosis
B. metathesis
C. mitosis
D. transcripton
Answer:
|
A
|
sciq
|
What forms when the metal sodium gives up an electron to the nonmetal chlorine?
A. hydrogen bond
B. an ionic bond
C. covalent bond
D. van der waals force
Answer:
|
B
|
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|
What type of gas is produced by alcoholic fermentation of the glucose in corn or other plants?
A. isopropyl
B. ethanol
C. methanol
D. ethyl
Answer:
|
B
|
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|
What type of transport is vesicle transport considered to be?
A. active transport
B. passive transport
C. catalyst
D. intercellular transport
Answer:
|
A
|
sciq
|
Strong bands of dense, regular connective tissue that connect muscles to bones are called what?
A. tendons
B. veins
C. membranes
D. cartilage
Answer:
|
A
|
sciq
|
Homes and transportation use what percent of all energy in the u.s.?
A. half (fifty)
B. twenty five
C. forty
D. fifteen
Answer:
|
A
|
sciq
|
What falls roughly in the middle of the electromagnetic spectrum, having shorter wavelengths and higher frequencies than microwaves, but not as short and high as x rays?
A. radio waves
B. ultraviolet light
C. gamma rays
D. light
Answer:
|
D
|
sciq
|
What are models good for?
A. they are expensive to make
B. they give us an idea of what the real thing is like
C. they are identical to the real thing
D. they are independent variables
Answer:
|
B
|
sciq
|
Explanations of some aspect of the natural world based on repeated observations are termed what?
A. scientific guesses
B. scientific theories
C. scientific thoughts
D. scientific insights
Answer:
|
B
|
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|
What is found in abundance in the polar ice caps and under the surface of mars?
A. water
B. carbon
C. bacteria
D. fossils
Answer:
|
A
|
sciq
|
What do nerve impulses travel along?
A. pores
B. axons
C. arteries
D. membranes
Answer:
|
B
|
sciq
|
Cyanobacteria are bluish green in color because they contain what?
A. microbial
B. chloroplasts
C. chlorophyll
D. carbonate
Answer:
|
C
|
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|
How many miles is the distance between the earth and sun?
A. 91
B. 78
C. 93
D. 82
Answer:
|
C
|
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|
What is the dominant form of plant life in most terrestrial ecosystems, comprising about 90 percent of all plant species?
A. pteridophytes
B. angiosperms
C. bryophytes
D. gymnosperms
Answer:
|
B
|
sciq
|
What is the largest mammal on earth?
A. tiger shark
B. water buffalo
C. giraffe
D. blue whale
Answer:
|
D
|
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|
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