question stringlengths 68 502 | answer stringclasses 4
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Question: An electromagnetic wave begins with what movement by an electrically charged particle?
Options:
A. acceleration
B. vibration
C. momentum
D. diffusion | B |
Question: What are the sharp projections that specialized cells grow called?
Options:
A. ossicles
B. spicules
C. antlers
D. cilia | B |
Question: What is formed when water vapor in the air condenses into tiny droplets?
Options:
A. fog
B. smoke
C. hail
D. rain | A |
Question: The main components of the circulatory system are the heart, blood vessels, and what else?
Options:
A. brain
B. blood
C. lungs
D. nerves | B |
Question: From what do tubeworms found deep in the galapagos rift get their energy from?
Options:
A. chemosynthetic plants
B. chemosynthetic fish
C. chemosynthetic viruses
D. chemosynthetic bacteria | D |
Question: What is water falling from the sky called?
Options:
A. temperature
B. precipitation
C. snow
D. acid | B |
Question: Coal, oil and natural gas are types of what formed from the remains of once living organisms?
Options:
A. fossil compounds
B. living fossils
C. fossil fuels
D. crop fuels | C |
Question: In a hot water heater, burning fuel causes the water to get hot because combustion is what type of reaction?
Options:
A. biochemical
B. exothermic
C. geothermal
D. endothermic | B |
Question: What is a force that opposes motion?
Options:
A. thrust
B. momentum
C. tension
D. friction | D |
Question: What is another term for a hand lens?
Options:
A. seeing glass
B. traversing glass
C. projecting glass
D. magnifying glass | D |
Question: The anterior half of the foot is formed by the five what type of bones?
Options:
A. conidia bones
B. metatarsal bones
C. conidia bones
D. malignancy bones | B |
Question: What adjective describes the movements that propel the feces during elimination?
Options:
A. peristaltic
B. enzymatic
C. hyperplastic
D. convulsive | A |
Question: What is transferred in an acid-base reaction
Options:
A. bonding ion
B. calcium ion
C. friendly ion
D. hydrogen ion | D |
Question: What is the largest planet in our solar system?
Options:
A. mars
B. earth
C. jupiter
D. uranus | C |
Question: What does the ubiquitous generator use to generate currents?
Options:
A. gravity
B. water
C. inertia
D. magnetism | D |
Question: What prevents soil erosion on a hillside that is being farmed?
Options:
A. slash-and-burn
B. terracing
C. no-till farming
D. irrigation | B |
Question: What do the external female reproductive structures are collectively referred to?
Options:
A. vulva
B. cervix
C. endometrium
D. Clitoris | A |
Question: What is another name for collar cells?
Options:
A. sporozoans
B. enzymes
C. choanocytes
D. clutches | C |
Question: What involuntary muscle is found only in the heart?
Options:
A. digestive muscle
B. cardiac muscle
C. physiological muscle
D. respiratory muscle | B |
Question: Most sedimentary rocks form from what?
Options:
A. erosion
B. sediments
C. volcanic activity
D. glaciers | B |
Question: What system serves as the relay between the cns and the internal organs?
Options:
A. central nervous system
B. cellular nervous system
C. limbic nervous system
D. autonomic nervous system | D |
Question: When pumping blood, the hearts of animals with very long necks must overcome what force?
Options:
A. gravity
B. friction
C. evolution
D. erosion | A |
Question: The seasonal movements of animals from one area to another is referred to as?
Options:
A. echolocation
B. mitigation
C. migration
D. hybernation | C |
Question: Falling onto what joint can fracture the distal humerus?
Options:
A. elbow
B. Foot
C. knee
D. thumb | A |
Question: What term is used to describe the energy reserve carbohydrate of animals?
Options:
A. glycogen
B. lactose
C. sucrose
D. fructose | A |
Question: What is used to measure current through a resistor?
Options:
A. spectrographs
B. thermometers
C. ammeters
D. microscopes | C |
Question: When struck, how are the rigid crystals of ionic compounds likely to react?
Options:
A. grow
B. break
C. shrink
D. bend | B |
Question: What type of matter transmits light without scattering it?
Options:
A. opaque
B. smooth
C. transparent
D. reflective | C |
Question: What is the term for the unconscious movements controlled by the somatic nervous system?
Options:
A. mechanisms
B. tremors
C. reflexes
D. senses | C |
Question: What organism captures light energy and converts it to chemical energy inside its cell?
Options:
A. autotrophs
B. insects
C. phototrophs
D. plants | C |
Question: By applying salt to an icy road, the melting point of the ice is what?
Options:
A. increased
B. concentrated
C. decreased
D. compounded | C |
Question: How many pairs of chromosomes do human have ?
Options:
A. 31 pairs
B. 19 pairs
C. 12 pairs
D. 23 pairs | D |
Question: Where do polychaetes live?
Options:
A. ocean floor
B. great plains
C. lakes
D. the tundra | A |
Question: What term describes a gene or sequence on a chromosome that co-segregates (shows genetic linkage) with a specific trait?
Options:
A. genetic marker
B. nucleic acid chain
C. autosomal
D. analogous effect | A |
Question: What type of blood vessels carry blood away from the heart?
Options:
A. arteries
B. tubes
C. Heart
D. Viens | A |
Question: How many millions of years ago did pangaea begin breaking apart?
Options:
A. 600
B. 500
C. 400
D. 250 | D |
Question: Continental drift also promotes what speciation?
Options:
A. mutualistic
B. allopatric
C. macroevolution
D. obligate | B |
Question: Which kind of mutations have the most dramatic effect on proteins?
Options:
A. cancerous mutations
B. arbitrary mutations
C. sight mutations
D. nonsense mutations | D |
Question: When skunks are in danger what do they give off?
Options:
A. ejected quills
B. warning howls
C. sweet odor
D. foul smell | D |
Question: What kind of reproduction produces genetically identical organisms or clones?
Options:
A. Prophase I
B. asexual
C. Meiosis
D. Sexual | B |
Question: Oceans help control global warming by absorbing what?
Options:
A. hydrogen
B. methane
C. ozone
D. carbon dioxide | D |
Question: A phase diagram plots temperature and what else?
Options:
A. movement
B. power
C. pressure
D. friction | C |
Question: What kind of hormones are derived from cholesterol?
Options:
A. Antibiotic
B. synthesis
C. steroid
D. germs | C |
Question: Eukaryotic cell division involves mitosis and what?
Options:
A. electrolysis
B. meiosis
C. spermatogenesis
D. cytokinesis | D |
Question: Why do sodium and chloride ions attract each other?
Options:
A. like attracts like
B. opposites attract
C. magnetism
D. sulfides attract | B |
Question: What layer of soil, essential for farming, has the highest proportion of organic material?
Options:
A. bedrock
B. subsoil
C. topsoil
D. humus | C |
Question: What are the organized instructions within dna for making proteins called?
Options:
A. clones
B. genomes
C. genes
D. replicants | C |
Question: Macrophages, which can swallow and destroy old and dying cells, bacteria, or viruses, are large types of what cells?
Options:
A. dendritic cells
B. white brain cells
C. white blood cells
D. red blood cells | C |
Question: What is the distance between the nuclei of two identical atoms bonded together called?
Options:
A. atomic radius
B. bond radius
C. cycle radius
D. sleep radius | A |
Question: What is the term for water that contains one or more dissolved substances?
Options:
A. evaporation solution
B. sediment solution
C. aqueous solution
D. dilute solution | C |
Question: Gall bladder removal surgery does not seriously affect digestion because ______ is still being produced.
Options:
A. plasma
B. saliva
C. bile
D. blood | C |
Question: The hepatitis virus attacks only cells of what organ?
Options:
A. brain
B. liver
C. lungs
D. kidney | B |
Question: A rusty bike has been left outside in damp weather too many times, so the iron in the metal parts have?
Options:
A. rusted
B. eroded
C. melted
D. decayed | A |
Question: What two layers is the skin made of?
Options:
A. respiration and dermis
B. epidermis and dermis
C. Blood and dermis
D. layers and dermis | B |
Question: What are the three major types of blood vessels?
Options:
A. arteries, capilaries, tubes
B. arteries , pups , capillaries
C. arteries, veins, capillaries
D. sculptures , veins , capillaries | C |
Question: What is the name of the protective layer of gases that surrounds the earth and blocks harmful rays from the sun?
Options:
A. the protector
B. the atmosphere
C. the coma
D. the corona | B |
Question: What are colonies of cells stuck to a surface called?
Options:
A. cellular coating
B. biofilms
C. membranes
D. membranes | B |
Question: Trichomoniasis is cause by what type of pathogen?
Options:
A. virus
B. protozoa
C. worm
D. bacteria | B |
Question: An increase in what, across the periodic table, explains why elements go from metals to metalloids and then to nonmetals?
Options:
A. neutrons
B. electrons
C. temperature
D. protons | B |
Question: How many pairs of chromosomes are in the human genome?
Options:
A. 21
B. 13
C. 23
D. 24 | C |
Question: What measure is resorted to by people who wish to screen out genetic abnormalities in the fetus?
Options:
A. stem cell therapy
B. contraceptive use
C. in vitro fertilization
D. prenatal testing | D |
Question: Who built the first telescope?
Options:
A. galileo
B. copernicus
C. newton
D. brahe | A |
Question: Water can be boiled to kill giardia and most other what?
Options:
A. bacteria
B. parasites
C. germs
D. pathogens | D |
Question: What do you call mixtures of ash and water that travel down river valleys?
Options:
A. pollutants
B. debris
C. mud slides
D. lahars | D |
Question: Why do homonuclear diatomic molecules have zero dipole moment?
Options:
A. no activation energy
B. no electrical attraction
C. at homeostasis
D. no difference in electronegativity | D |
Question: The types of white blood cells that arrive at an inflamed site depend on the nature of what?
Options:
A. genes
B. skin color
C. injury or infection
D. blood type | C |
Question: In what season are temperature inversions more common?
Options:
A. spring
B. summer
C. autumn
D. winter | D |
Question: Are thunderstorms more likely where the ground temperatures are extremely high or extremely low?
Options:
A. extremely low
B. extremely high
C. somewhat high
D. somewhat low | B |
Question: What type of diseases in humans are caused by protozoa?
Options:
A. dysentery
B. diarrhea
C. protist diseases
D. protozoa diseases | C |
Question: Shark teeth likely evolved from the jagged scales that cover their skin, called what?
Options:
A. pinworm scales
B. heterotroph scales
C. hook scales
D. placoid scales | D |
Question: In the human ear, sound waves cause the stapes to press against what?
Options:
A. shaped window
B. yellow window
C. Idea Window
D. oval window | D |
Question: What is the term for proportion of amount of product actually produced in a chemical reaction versus predicted amount ?
Options:
A. percent impact
B. calculus yield
C. percent yield
D. decrease yield | C |
Question: What creates wet and dry zones at different latitudes?
Options:
A. horse latitudes
B. global air currents
C. jet stream
D. trade winds | B |
Question: What term is used to describe the total spread of values in a sample?
Options:
A. range
B. axis
C. variety
D. scale | A |
Question: Fermentation—of grains to produce beer, and of fruits to produce wine—is an ancient art that humans in most cultures have practiced for how long?
Options:
A. millennia
B. years
C. decades
D. eons | A |
Question: In which direction does water travel?
Options:
A. uphill
B. backwards
C. northwest
D. downhill | D |
Question: The largest population size that can be supported in an area without harming the environment is referred to as what?
Options:
A. population shift
B. population density
C. containing capacity
D. carrying capacity | D |
Question: What are the smallest particles of elements that maintain their unique properties?
Options:
A. molecules
B. atoms
C. protons
D. electrons | B |
Question: Where does the christmas tree worm live?
Options:
A. Atlantic shoreline
B. tropical coral reefs
C. rainforests
D. northeast coral reefs | B |
Question: What are biomes that occur where a river, a source of fresh water, meets the ocean called?
Options:
A. estuaries
B. waterways
C. sediments
D. rapids | A |
Question: What continuously monitors and repairs its genetic material?
Options:
A. nucleolus
B. cells
C. ova
D. proteins | B |
Question: What are the large segments of the earth’s crust that ordinarily move very slowly?
Options:
A. ocean plates
B. tectonic plates
C. lava plates
D. distinct plates | B |
Question: Which process causes rocks at the earth's surface to change form?
Options:
A. bleaching
B. remodeling
C. weathering
D. eroding | C |
Question: Chemical reactions always involve energy. when methane burns, for example, it releases energy in the form of what?
Options:
A. heat and movement
B. movement and light
C. heat and light
D. light and sound | C |
Question: Alzheimers disease is associated with memory loss in what group of people?
Options:
A. juveniles
B. elderly
C. immigrants
D. prehistoric | B |
Question: What global cycle takes place on, above, and below earth’s surface?
Options:
A. water cycle
B. water wheel
C. aqua cycle
D. water flow | A |
Question: Why are two different minerals considered different though they have the same chemical composition?
Options:
A. different linear structures
B. different rods structures
C. different crystal structures
D. different molecular structures | C |
Question: What type of mapping is critical for identifying the location of genes that cause genetic diseases?
Options:
A. interaction mapping
B. diagnostic mapping
C. linkage mapping
D. chemical mapping | C |
Question: When menstrual periods become less frequent and finally cease; this is called?
Options:
A. metabolic
B. menopause
C. climax
D. hormonal imbalance | B |
Question: What blood protein carries oxygen from the lungs to cells throughout the body?
Options:
A. plasma
B. dopamine
C. platelets
D. hemoglobin | D |
Question: What is the most abundant element in the universe?
Options:
A. oxygen
B. hydrogen
C. fluoride
D. helium | B |
Question: The product of a system’s mass multiplied by its velocity is called what?
Options:
A. magnetic momentum
B. variation momentum
C. horizontal momentum
D. linear momentum | D |
Question: In response to changing environmental conditions, prokaryotic populations can undergo what process in short periods of time?
Options:
A. extinction
B. fusion
C. evolution
D. reproduction | C |
Question: What term means the time in which half of the original number of radioactive nuclei in a sample decay?
Options:
A. quarter-life
B. half-life
C. reduced life
D. partial-life | B |
Question: What is a shortage of water that causes the soil to dry from the surface down called?
Options:
A. tidal wave
B. flood
C. overflowage
D. drought | D |
Question: What are are segmented invertebrates in phylum annelida called?
Options:
A. fungi
B. annelids
C. corals
D. flatworms | B |
Question: What is the connection between the two hemispheres of the brain called?
Options:
A. cranial septum
B. spinal cord
C. cerebral cortex
D. corpus callosum | D |
Question: Banging on a drum is an example of which type of energy?
Options:
A. molecular
B. solar.
C. mechanical
D. potential | C |
Question: What do microbes use to make food?
Options:
A. plants
B. nitrogen
C. chemicals
D. sunlight | C |
Question: Space telescopes avoid such problems completely since they orbit outside the what?
Options:
A. atmosphere
B. galaxy
C. ozone layer
D. earth's crust | A |
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