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What goes through different larval stages?
A. octopuses
B. sponges
C. crustaceans
D. plants
Answer:
|
C
|
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|
What is the major cause of chronic respiratory disease as well as cardiovascular disease and cancer?
A. exercise
B. smoking
C. drinking
D. diet
Answer:
|
B
|
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|
Monotremes, marsupials, and placental mammals are subclasses of what?
A. birds
B. amphibians
C. reptiles
D. mammals
Answer:
|
D
|
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|
What type of mammal gives birth to young that need to develop further in the mother's pouch after birth?
A. marsupials
B. humans
C. whales
D. aborigines
Answer:
|
A
|
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|
What is the measure of how closely molecules are packed together?
A. density
B. length
C. volume
D. frequency
Answer:
|
A
|
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|
What is the leading cause of lung cancer?
A. chewing tobacco
B. tuberculosis
C. tobacco smoke
D. heredity
Answer:
|
C
|
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|
The golgi removes some sugar monomers and substitutes others, producing a large variety of what?
A. fats
B. proteins
C. carbohydrates
D. electrolytes
Answer:
|
C
|
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|
Parenchymal, collenchymal, and sclerenchymal cells are associated with what types of living things?
A. fungi
B. plants
C. parasites
D. primates
Answer:
|
B
|
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|
What is the name of the location in which a stream or river starts?
A. spring
B. source
C. mouth
D. shore
Answer:
|
B
|
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|
What disease occurs when cells in the breast grow out of control and form a tumor?
A. muscle cancer
B. adult breast growth
C. breast cancer
D. muscular cyst
Answer:
|
C
|
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|
What process refers to the changes that occur in populations of living organisms over time?
A. variation
B. adaptation
C. evolution
D. spontaneous mutation
Answer:
|
C
|
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|
Alkenes can react with what to form alcohols?
A. sugars
B. proteins
C. air
D. water
Answer:
|
D
|
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|
Wind blown sand contributes to what type of erosion?
A. abrasion
B. filtration
C. sedimentary
D. vegetation
Answer:
|
A
|
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|
Bases are ionic compounds consisting of hydroxide ions and a what?
A. cinion
B. carbonate
C. cation
D. sulfate
Answer:
|
C
|
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|
What causes the menstrual cycle to be repeated?
A. gravity
B. lack of fertilization
C. ovaries
D. uteris
Answer:
|
B
|
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|
What happens when turgid cells in a nonwoody tissue push against each other?
A. the tissue stiffens
B. the tissue dies
C. the tissues merge
D. the tissue melts
Answer:
|
A
|
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|
What is the waxy substance that epidermal cells secrete?
A. bile
B. saliva
C. cuticle
D. cellulose
Answer:
|
C
|
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|
What is the length of the route between two points?
A. speed
B. distance
C. direction
D. velocity
Answer:
|
B
|
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|
According to the first law of thermodynamics, what can neither be created nor destroyed?
A. light
B. fuel
C. food
D. energy
Answer:
|
D
|
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|
What are the three primary pigment colors?
A. green, orange, purple
B. red, green, blue
C. red, white, blue
D. cyan, yellow, magenta
Answer:
|
D
|
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|
How do organophostbate pesticides work?
A. inhibiting reticulum
B. inhibiting cryptosporidium
C. inhibiting testosterone
D. inhibiting acetylcholinesterase
Answer:
|
D
|
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|
In the case of a light bulb, electricity is converted to light and what kind of energy?
A. abstract
B. nuclear
C. chemical
D. thermal
Answer:
|
D
|
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|
Where in relation to the home, are levels of vocs found to be higher?
A. outdoors
B. indoors
C. in Fields
D. On slopes
Answer:
|
B
|
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|
Density and pressure of air decreases with what?
A. temperature
B. horizontal distance
C. altitude
D. humidity
Answer:
|
C
|
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|
Energy is absorbed in the process of converting a liquid at its boiling point into a what?
A. mesh
B. gas
C. solid
D. plasma
Answer:
|
B
|
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|
Images in what type of mirror are reversed left and right but not reversed top and bottom?
A. convex
B. virtual
C. plane mirror
D. concave
Answer:
|
C
|
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|
What do cells produce as they age?
A. oxidants
B. wrinkles
C. proto-oncogenes
D. carcinogens
Answer:
|
C
|
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|
The body of the simplest sponges takes the shape of a cylinder with a large central cavity, called?
A. spirogyra
B. vacuole
C. spongocoel
D. spicule
Answer:
|
C
|
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|
Laid on dry land by reptiles, amniotic eggs have what that prevents them from drying out?
A. oil coating
B. waterproof membranes
C. double yolks
D. double shells
Answer:
|
B
|
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|
What three rs represent the steps that you personally can take to conserve our natural resources and minimize waste?
A. reduce, reuse, recycle
B. remove, reduce, reuse
C. reduce, reuse, re-educate
D. rinse, reuse, recycle
Answer:
|
A
|
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|
What is the process that allows organisms with better traits to survive and produce?
A. succession
B. adaptation
C. natural selection
D. spontaneous mutation
Answer:
|
C
|
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|
What is the term for a substance that increases the rate of a chemical reaction but is not changed or used up in the reaction?
A. an acid
B. a catalyst
C. a mechanism
D. a contribute
Answer:
|
B
|
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|
What type of compounds can form crystals?
A. molecular compounds
B. magnetic compounds
C. ionic compounds
D. integral compounds
Answer:
|
C
|
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|
In grazing, a predator partially eats but does not kill what?
A. prey
B. pack
C. time
D. predators
Answer:
|
A
|
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|
Bone tissues include compact bone, spongy bone, bone marrow, and?
A. epithelium
B. periosteum
C. esophagus
D. cartilage
Answer:
|
B
|
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|
What type of bacteria causes the disease called tuberculosis?
A. streptococcus
B. E. coli
C. staphylococcus
D. mycobacterium
Answer:
|
D
|
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|
Studies have shown that not only does reproduction have a cost as far as how long male fruit flies live, but also fruit flies that have already mated several times have limited amounts of this?
A. sperm
B. chromosomes
C. dna
D. eggs
Answer:
|
A
|
sciq
|
What are the two most common causes of diseases?
A. nutritional deficiencies
B. bacteria and viruses
C. bacteria and protazoa
D. viruses and protazoa
Answer:
|
B
|
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|
Organic compounds are defined as covalently bonded compounds containing carbon, excluding carbonates and what else?
A. gases
B. crystals
C. oxides
D. acids
Answer:
|
C
|
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|
What drives the turbine in a thermonuclear reactor?
A. magnets
B. heated water or steam
C. heated oil
D. wind energy
Answer:
|
B
|
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|
What is the term for physicians and scientists who research and develop vaccines and treat and study conditions ranging from allergies to aids?
A. endocrinologists
B. immunologists
C. virologists
D. vaccinologists
Answer:
|
B
|
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|
Where are temperatures the lowest?
A. over the oceans
B. in asia
C. at the equator
D. at the poles
Answer:
|
D
|
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|
Protecting the surface of metal prevents what?
A. evaporation
B. extraction
C. diffusion
D. corrosion
Answer:
|
D
|
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|
What type of tissues are major barriers to the entry of pathogens into the body?
A. skin
B. mucosal
C. vascular
D. nasal
Answer:
|
B
|
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|
Trash that gets into fresh and saltwater waterways is called what type of debris?
A. water
B. pollution
C. aquatic
D. ocean
Answer:
|
C
|
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|
What is the term for genes that control the expression of other genes within specific regions of cells in the developing organism?
A. data genes
B. expression genes
C. gap genes
D. age genes
Answer:
|
C
|
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|
In vertebrates, what tissue is a type of connective tissue that supports the entire body structure?
A. blood
B. bone
C. cartilage
D. collagen
Answer:
|
B
|
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|
Red blood cells don't have a nucleus. this allows them to do what?
A. carry more oxygen
B. heal faster
C. be redder
D. move faster
Answer:
|
A
|
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|
The number of electron pairs that hold two atoms together is called?
A. bond order
B. electron order
C. nuclear order
D. proton order
Answer:
|
A
|
sciq
|
What occurs when the immune system makes an inflammatory response to a harmless antigen?
A. asthma attack
B. allergies
C. antibodies
D. immunity
Answer:
|
B
|
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|
What energy source, now making a comeback, has helped propel ships and pump water for many years?
A. wind energy
B. geothermal energy
C. solar energy
D. weather energy
Answer:
|
A
|
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|
What is it called when the nucleus of an atom splits into two smaller nuclei?
A. nuclear fission
B. nuclear fusion
C. cell division
D. complex fission
Answer:
|
A
|
sciq
|
The curie (ci) is one measure of the rate of what?
A. division
B. spin
C. growth
D. decay
Answer:
|
D
|
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|
A unique type of organism is also known as what?
A. element
B. taxonomy
C. parasites
D. species
Answer:
|
D
|
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|
Snakes use what anatomical structure to smell scents in the air?
A. forked tongue
B. forked tails
C. branched tongue
D. forked eyes
Answer:
|
A
|
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|
What chemical element helps forms strong bones and teeth in humans?
A. magnesium
B. potassium
C. calcium
D. iron
Answer:
|
C
|
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|
The limit to how much solute will dissolve in a given amount of solvent is called what?
A. potency
B. solubility
C. strength
D. density
Answer:
|
B
|
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|
What occurs when hot magma transforms rock that it contacts?
A. existence metamorphism
B. changing metamorphism
C. form metamorphism
D. contact metamorphism
Answer:
|
D
|
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|
What term refers to entities, events or powers regarded as being beyond nature, and cannot be explained by scientific means?
A. natural
B. supernatural
C. hypothetical
D. fictional
Answer:
|
B
|
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|
What causes an elastic force in springs?
A. velocity
B. momentum
C. freezing
D. stretching or compressing
Answer:
|
D
|
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|
What effect is responsible for flight paths looking curved?
A. volumetric effect
B. resonant effect
C. tonal effect
D. coriolis effect
Answer:
|
D
|
sciq
|
Wetlands are environments in which the soil is either permanently or periodically saturated with what?
A. oil
B. water
C. spores
D. hydrogen
Answer:
|
B
|
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|
When the ground absorbs the water and it settles below the surface it is called what?
A. precipitation
B. wastewater
C. glacier
D. groundwater
Answer:
|
D
|
sciq
|
Some metabolic pathways release what by breaking down complex molecules to simpler compounds?
A. fat
B. water
C. hydrogen
D. energy
Answer:
|
D
|
sciq
|
What is the smallest portion of a crystal lattice?
A. element cell
B. ionic cell
C. unit cell
D. function cell
Answer:
|
C
|
sciq
|
What is one major cause of skin cancer?
A. sunscreen
B. visible light
C. ultraviolet light
D. infrared light
Answer:
|
C
|
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|
Which important decomposers are known to live just about anywhere on earth?
A. viruses
B. archeans
C. sporozoans
D. protazoas
Answer:
|
B
|
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|
In the scientific method, what is the initial, unproven explanation for why something is occurring?
A. concepts
B. idea
C. theories
D. hypothesis
Answer:
|
D
|
sciq
|
What is the name of an element with a different number of neutrons?
A. isotope
B. reaction
C. mineral
D. solution
Answer:
|
A
|
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|
Nitrogen and sulfur oxides form what type of rain?
A. toxic rain
B. heavy rain
C. acid rain
D. common rain
Answer:
|
C
|
sciq
|
Polyester fabric's resistance to wrinkling comes from the cross-linking of what?
A. algae strands
B. wool strands
C. polymer strands
D. velocity strands
Answer:
|
C
|
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|
What term refers to the sequence of community and ecosystem changes after a disturbance?
A. ecological succession
B. disturbance succession
C. physiological succession
D. progressions
Answer:
|
A
|
sciq
|
What is the network of fibers that organizes structures and activities in the cell called?
A. enzymes
B. cytoskeleton
C. cytoplasm
D. DNA
Answer:
|
B
|
sciq
|
Decreasing the volume of a gas and keeping everything else the same will cause its pressure to change in what way?
A. increase
B. heat up
C. decrease
D. lower
Answer:
|
A
|
sciq
|
What evolutionary strategy enables substantial activity during sleep for some animals?
A. adaptation
B. mutation
C. hibernation
D. reproduction
Answer:
|
A
|
sciq
|
The cells of the blastocyst form an inner cell mass called the what?
A. xerophyte
B. blastocyst
C. chloroplast
D. embryoblast
Answer:
|
D
|
sciq
|
How do all musical instruments create sound?
A. conduction
B. stimulation
C. vibration
D. condensation
Answer:
|
C
|
sciq
|
What system disorders include kidney stones, kidney failure, and urinary tract infections?
A. urinary system
B. nervous system
C. digestive system
D. renal system
Answer:
|
A
|
sciq
|
What type of respiration has the advantage of releasing more energy?
A. kinetic
B. elastic
C. aerobic
D. anaerobic
Answer:
|
C
|
sciq
|
Major climate types are based on what two things?
A. environment & precipitation
B. oxygen & precipitation
C. temperature & precipitation
D. topography & temperature
Answer:
|
C
|
sciq
|
When amino acids bind together, they form a long chain called what, which is an essential component of protein?
A. lipids
B. polypeptide
C. enzyme
D. peptide
Answer:
|
B
|
sciq
|
What type of cells does meiosis produce?
A. diploid daughter cells
B. haploid daughter cells
C. mutated cells
D. child cells
Answer:
|
B
|
sciq
|
Organisms that lack both a nucleus and membrane-bound organelles are known as what, in general?
A. barren
B. trophic
C. prokaryotic
D. photosynthetic
Answer:
|
C
|
sciq
|
What happens to most of the energy in a trophic level as it passes to the next higher level?
A. it increases
B. it stays the same
C. it is lost
D. it is transferred
Answer:
|
C
|
sciq
|
What is the name for a specific amount of solute that can dissolve in a given amount of solvent?
A. humidity
B. concentration
C. viscosity
D. solubility
Answer:
|
D
|
sciq
|
What is freshwater below the earth's surface called?
A. precipitation
B. sediment
C. geyser
D. groundwater
Answer:
|
D
|
sciq
|
What forms when crystals precipitate out from a liquid?
A. plasma sedimentary rocks
B. liquid sedimentary rocks
C. chemical sedimentary rocks
D. plants sedimentary rocks
Answer:
|
C
|
sciq
|
What do people build to protect areas from floods?
A. drains
B. dams
C. reinforced walls
D. sewers
Answer:
|
B
|
sciq
|
What system of the body is responsible for ultimately ridding it of waste and excess water?
A. respiratory system
B. circulatory system
C. digestive system
D. excretory system
Answer:
|
D
|
sciq
|
What's it called when there's a sudden flow of mud?
A. avalanche
B. dirt bath
C. sediment
D. mudflow
Answer:
|
D
|
sciq
|
Which zone is located below 200 meters from the surface?
A. aphotic zone
B. mesopelagic
C. epipelagic
D. observable zone
Answer:
|
A
|
sciq
|
Food chewed evenly during mastication moisten and lubricate the lining of the mouth and this?
A. trachea
B. pharynx
C. esophagus
D. larynx
Answer:
|
B
|
sciq
|
Photosynthesis is initiated by what hitting plants?
A. moisture
B. air
C. sunlight
D. dirt
Answer:
|
C
|
sciq
|
What is the process of drawing general conclusions based on many pieces of evidence?
A. quantum reasoning
B. experimental reasoning
C. inductive reasoning
D. primitive reasoning
Answer:
|
C
|
sciq
|
Name the fibrous joint in which two parallel bones are united to each other by fibrous connective tissue.
A. cartilage
B. syndesmosis
C. suture
D. gomphosis
Answer:
|
B
|
sciq
|
What's the best way humans can conserve water?
A. use more
B. salt it
C. boil it
D. use less
Answer:
|
D
|
sciq
|
Although fewer in number than chemical synapses, what type of synapses are found in all nervous systems and play important and unique roles?
A. beginning synapses
B. duplicating synapses
C. dual synapses
D. electrical synapses
Answer:
|
D
|
sciq
|
What consists of a nitrogen atom bonded to some combination of carbons and hydrogens?
A. an alkali
B. a chloride
C. a metalloid
D. an amine
Answer:
|
D
|
sciq
|
When do hammerhead sharks usually hunt?
A. at night
B. summer
C. winter
D. in the day
Answer:
|
A
|
sciq
|
What types of glands do only female mammals have?
A. respiratory
B. thyroid
C. pituitary
D. mammary
Answer:
|
D
|
sciq
|
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