prompt stringlengths 51 646 | completion stringclasses 8 values |
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What goes through different larval stages?
A. octopuses
B. plants
C. sponges
D. crustaceans
Answer: | D |
What is the major cause of chronic respiratory disease as well as cardiovascular disease and cancer?
A. drinking
B. exercise
C. smoking
D. diet
Answer: | C |
Monotremes, marsupials, and placental mammals are subclasses of what?
A. birds
B. mammals
C. reptiles
D. amphibians
Answer: | B |
What type of mammal gives birth to young that need to develop further in the mother's pouch after birth?
A. whales
B. humans
C. marsupials
D. aborigines
Answer: | C |
What is the measure of how closely molecules are packed together?
A. length
B. volume
C. frequency
D. density
Answer: | D |
What is the leading cause of lung cancer?
A. chewing tobacco
B. tobacco smoke
C. tuberculosis
D. heredity
Answer: | B |
The golgi removes some sugar monomers and substitutes others, producing a large variety of what?
A. proteins
B. carbohydrates
C. electrolytes
D. fats
Answer: | B |
Parenchymal, collenchymal, and sclerenchymal cells are associated with what types of living things?
A. parasites
B. plants
C. fungi
D. primates
Answer: | B |
What is the name of the location in which a stream or river starts?
A. mouth
B. source
C. shore
D. spring
Answer: | B |
What disease occurs when cells in the breast grow out of control and form a tumor?
A. adult breast growth
B. muscular cyst
C. muscle cancer
D. breast cancer
Answer: | D |
What process refers to the changes that occur in populations of living organisms over time?
A. spontaneous mutation
B. variation
C. adaptation
D. evolution
Answer: | D |
Alkenes can react with what to form alcohols?
A. water
B. sugars
C. air
D. proteins
Answer: | A |
Wind blown sand contributes to what type of erosion?
A. filtration
B. vegetation
C. abrasion
D. sedimentary
Answer: | C |
Bases are ionic compounds consisting of hydroxide ions and a what?
A. carbonate
B. cinion
C. sulfate
D. cation
Answer: | D |
What causes the menstrual cycle to be repeated?
A. uteris
B. gravity
C. ovaries
D. lack of fertilization
Answer: | D |
What happens when turgid cells in a nonwoody tissue push against each other?
A. the tissue dies
B. the tissue stiffens
C. the tissues merge
D. the tissue melts
Answer: | B |
What is the waxy substance that epidermal cells secrete?
A. cuticle
B. cellulose
C. bile
D. saliva
Answer: | A |
What is the length of the route between two points?
A. distance
B. speed
C. velocity
D. direction
Answer: | A |
According to the first law of thermodynamics, what can neither be created nor destroyed?
A. food
B. energy
C. light
D. fuel
Answer: | B |
What are the three primary pigment colors?
A. red, green, blue
B. red, white, blue
C. green, orange, purple
D. cyan, yellow, magenta
Answer: | D |
How do organophostbate pesticides work?
A. inhibiting cryptosporidium
B. inhibiting reticulum
C. inhibiting acetylcholinesterase
D. inhibiting testosterone
Answer: | C |
In the case of a light bulb, electricity is converted to light and what kind of energy?
A. chemical
B. nuclear
C. thermal
D. abstract
Answer: | C |
Where in relation to the home, are levels of vocs found to be higher?
A. On slopes
B. indoors
C. outdoors
D. in Fields
Answer: | B |
Density and pressure of air decreases with what?
A. horizontal distance
B. altitude
C. temperature
D. humidity
Answer: | B |
Energy is absorbed in the process of converting a liquid at its boiling point into a what?
A. mesh
B. plasma
C. gas
D. solid
Answer: | C |
Images in what type of mirror are reversed left and right but not reversed top and bottom?
A. virtual
B. convex
C. plane mirror
D. concave
Answer: | C |
What do cells produce as they age?
A. wrinkles
B. oxidants
C. proto-oncogenes
D. carcinogens
Answer: | C |
The body of the simplest sponges takes the shape of a cylinder with a large central cavity, called?
A. vacuole
B. spongocoel
C. spicule
D. spirogyra
Answer: | B |
Laid on dry land by reptiles, amniotic eggs have what that prevents them from drying out?
A. double shells
B. oil coating
C. double yolks
D. waterproof membranes
Answer: | D |
What three rs represent the steps that you personally can take to conserve our natural resources and minimize waste?
A. rinse, reuse, recycle
B. reduce, reuse, re-educate
C. remove, reduce, reuse
D. reduce, reuse, recycle
Answer: | D |
What is the process that allows organisms with better traits to survive and produce?
A. succession
B. natural selection
C. adaptation
D. spontaneous mutation
Answer: | B |
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. a mechanism
B. an acid
C. a contribute
D. a catalyst
Answer: | D |
What type of compounds can form crystals?
A. ionic compounds
B. magnetic compounds
C. molecular compounds
D. integral compounds
Answer: | A |
In grazing, a predator partially eats but does not kill what?
A. pack
B. predators
C. prey
D. time
Answer: | C |
Bone tissues include compact bone, spongy bone, bone marrow, and?
A. cartilage
B. periosteum
C. esophagus
D. epithelium
Answer: | B |
What type of bacteria causes the disease called tuberculosis?
A. E. coli
B. staphylococcus
C. mycobacterium
D. streptococcus
Answer: | C |
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. eggs
B. sperm
C. chromosomes
D. dna
Answer: | B |
What are the two most common causes of diseases?
A. bacteria and viruses
B. bacteria and protazoa
C. nutritional deficiencies
D. viruses and protazoa
Answer: | A |
Organic compounds are defined as covalently bonded compounds containing carbon, excluding carbonates and what else?
A. acids
B. gases
C. crystals
D. oxides
Answer: | D |
What drives the turbine in a thermonuclear reactor?
A. heated oil
B. heated water or steam
C. magnets
D. wind energy
Answer: | B |
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. vaccinologists
D. virologists
Answer: | B |
Where are temperatures the lowest?
A. in asia
B. at the equator
C. over the oceans
D. at the poles
Answer: | D |
Protecting the surface of metal prevents what?
A. diffusion
B. evaporation
C. extraction
D. corrosion
Answer: | D |
What type of tissues are major barriers to the entry of pathogens into the body?
A. vascular
B. skin
C. nasal
D. mucosal
Answer: | D |
Trash that gets into fresh and saltwater waterways is called what type of debris?
A. pollution
B. aquatic
C. water
D. ocean
Answer: | B |
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 |
In vertebrates, what tissue is a type of connective tissue that supports the entire body structure?
A. cartilage
B. collagen
C. bone
D. blood
Answer: | C |
Red blood cells don't have a nucleus. this allows them to do what?
A. carry more oxygen
B. be redder
C. move faster
D. heal faster
Answer: | A |
The number of electron pairs that hold two atoms together is called?
A. electron order
B. proton order
C. bond order
D. nuclear order
Answer: | C |
What occurs when the immune system makes an inflammatory response to a harmless antigen?
A. immunity
B. asthma attack
C. allergies
D. antibodies
Answer: | C |
What energy source, now making a comeback, has helped propel ships and pump water for many years?
A. wind energy
B. weather energy
C. solar energy
D. geothermal energy
Answer: | A |
What is it called when the nucleus of an atom splits into two smaller nuclei?
A. cell division
B. nuclear fusion
C. complex fission
D. nuclear fission
Answer: | D |
The curie (ci) is one measure of the rate of what?
A. growth
B. division
C. spin
D. decay
Answer: | D |
A unique type of organism is also known as what?
A. element
B. parasites
C. taxonomy
D. species
Answer: | D |
Snakes use what anatomical structure to smell scents in the air?
A. branched tongue
B. forked tails
C. forked eyes
D. forked tongue
Answer: | D |
What chemical element helps forms strong bones and teeth in humans?
A. calcium
B. potassium
C. iron
D. magnesium
Answer: | A |
The limit to how much solute will dissolve in a given amount of solvent is called what?
A. solubility
B. potency
C. strength
D. density
Answer: | A |
What occurs when hot magma transforms rock that it contacts?
A. existence metamorphism
B. contact metamorphism
C. form metamorphism
D. changing metamorphism
Answer: | B |
What term refers to entities, events or powers regarded as being beyond nature, and cannot be explained by scientific means?
A. fictional
B. hypothetical
C. supernatural
D. natural
Answer: | C |
What causes an elastic force in springs?
A. momentum
B. freezing
C. velocity
D. stretching or compressing
Answer: | D |
What effect is responsible for flight paths looking curved?
A. resonant effect
B. tonal effect
C. coriolis effect
D. volumetric effect
Answer: | C |
Wetlands are environments in which the soil is either permanently or periodically saturated with what?
A. hydrogen
B. oil
C. water
D. spores
Answer: | C |
When the ground absorbs the water and it settles below the surface it is called what?
A. precipitation
B. glacier
C. wastewater
D. groundwater
Answer: | D |
Some metabolic pathways release what by breaking down complex molecules to simpler compounds?
A. hydrogen
B. energy
C. fat
D. water
Answer: | B |
What is the smallest portion of a crystal lattice?
A. unit cell
B. element cell
C. ionic cell
D. function cell
Answer: | A |
What is one major cause of skin cancer?
A. visible light
B. infrared light
C. sunscreen
D. ultraviolet light
Answer: | D |
Which important decomposers are known to live just about anywhere on earth?
A. sporozoans
B. protazoas
C. viruses
D. archeans
Answer: | D |
In the scientific method, what is the initial, unproven explanation for why something is occurring?
A. theories
B. concepts
C. idea
D. hypothesis
Answer: | D |
What is the name of an element with a different number of neutrons?
A. reaction
B. solution
C. mineral
D. isotope
Answer: | D |
Nitrogen and sulfur oxides form what type of rain?
A. toxic rain
B. acid rain
C. common rain
D. heavy rain
Answer: | B |
Polyester fabric's resistance to wrinkling comes from the cross-linking of what?
A. velocity strands
B. wool strands
C. polymer strands
D. algae strands
Answer: | C |
What term refers to the sequence of community and ecosystem changes after a disturbance?
A. progressions
B. ecological succession
C. physiological succession
D. disturbance succession
Answer: | B |
What is the network of fibers that organizes structures and activities in the cell called?
A. cytoplasm
B. DNA
C. cytoskeleton
D. enzymes
Answer: | C |
Decreasing the volume of a gas and keeping everything else the same will cause its pressure to change in what way?
A. decrease
B. lower
C. increase
D. heat up
Answer: | C |
What evolutionary strategy enables substantial activity during sleep for some animals?
A. adaptation
B. mutation
C. reproduction
D. hibernation
Answer: | A |
The cells of the blastocyst form an inner cell mass called the what?
A. xerophyte
B. chloroplast
C. blastocyst
D. embryoblast
Answer: | D |
How do all musical instruments create sound?
A. conduction
B. vibration
C. stimulation
D. condensation
Answer: | B |
What system disorders include kidney stones, kidney failure, and urinary tract infections?
A. nervous system
B. digestive system
C. urinary system
D. renal system
Answer: | C |
What type of respiration has the advantage of releasing more energy?
A. elastic
B. aerobic
C. anaerobic
D. kinetic
Answer: | B |
Major climate types are based on what two things?
A. environment & precipitation
B. topography & temperature
C. temperature & precipitation
D. oxygen & precipitation
Answer: | C |
When amino acids bind together, they form a long chain called what, which is an essential component of protein?
A. enzyme
B. polypeptide
C. lipids
D. peptide
Answer: | B |
What type of cells does meiosis produce?
A. child cells
B. mutated cells
C. haploid daughter cells
D. diploid daughter cells
Answer: | C |
Organisms that lack both a nucleus and membrane-bound organelles are known as what, in general?
A. prokaryotic
B. trophic
C. barren
D. photosynthetic
Answer: | A |
What happens to most of the energy in a trophic level as it passes to the next higher level?
A. it is lost
B. it is transferred
C. it stays the same
D. it increases
Answer: | A |
What is the name for a specific amount of solute that can dissolve in a given amount of solvent?
A. viscosity
B. concentration
C. humidity
D. solubility
Answer: | D |
What is freshwater below the earth's surface called?
A. groundwater
B. sediment
C. geyser
D. precipitation
Answer: | A |
What forms when crystals precipitate out from a liquid?
A. plants sedimentary rocks
B. liquid sedimentary rocks
C. chemical sedimentary rocks
D. plasma sedimentary rocks
Answer: | C |
What do people build to protect areas from floods?
A. drains
B. sewers
C. dams
D. reinforced walls
Answer: | C |
What system of the body is responsible for ultimately ridding it of waste and excess water?
A. digestive system
B. circulatory system
C. respiratory system
D. excretory system
Answer: | D |
What's it called when there's a sudden flow of mud?
A. avalanche
B. mudflow
C. sediment
D. dirt bath
Answer: | B |
Which zone is located below 200 meters from the surface?
A. aphotic zone
B. mesopelagic
C. observable zone
D. epipelagic
Answer: | A |
Food chewed evenly during mastication moisten and lubricate the lining of the mouth and this?
A. larynx
B. trachea
C. esophagus
D. pharynx
Answer: | D |
Photosynthesis is initiated by what hitting plants?
A. sunlight
B. dirt
C. air
D. moisture
Answer: | A |
What is the process of drawing general conclusions based on many pieces of evidence?
A. experimental reasoning
B. quantum reasoning
C. primitive reasoning
D. inductive reasoning
Answer: | D |
Name the fibrous joint in which two parallel bones are united to each other by fibrous connective tissue.
A. gomphosis
B. suture
C. cartilage
D. syndesmosis
Answer: | D |
What's the best way humans can conserve water?
A. boil it
B. use more
C. use less
D. salt it
Answer: | C |
Although fewer in number than chemical synapses, what type of synapses are found in all nervous systems and play important and unique roles?
A. duplicating synapses
B. electrical synapses
C. dual synapses
D. beginning synapses
Answer: | B |
What consists of a nitrogen atom bonded to some combination of carbons and hydrogens?
A. a chloride
B. an amine
C. a metalloid
D. an alkali
Answer: | B |
When do hammerhead sharks usually hunt?
A. at night
B. summer
C. in the day
D. winter
Answer: | A |
What types of glands do only female mammals have?
A. pituitary
B. thyroid
C. mammary
D. respiratory
Answer: | C |
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