question stringlengths 68 502 | answer stringclasses 4
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Question: The three main rock types are igneous, metamorphic, and what?
Options:
A. basalt
B. sedimentary
C. silicate
D. crystalline | B |
Question: What body part does encephalitis attack?
Options:
A. liver
B. brain
C. heart
D. lungs | B |
Question: What type of reproduction takes place when an animal simply divides into two parts?
Options:
A. fission
B. sexual reproduction
C. fusion
D. budding | A |
Question: Winds moving air masses causes what?
Options:
A. tsunami
B. tremors
C. weather
D. earthquake | C |
Question: How many orders of magnitudes bigger is the electric force?
Options:
A. 39
B. 36
C. 33
D. 45 | A |
Question: What is the term for any way that an animal interacts with other animals or the environment?
Options:
A. animal behavior
B. animal biology
C. immunity
D. animal way | A |
Question: A mushroom is only a specialised reproductive part of the whole fungus. the main part of the fungi is underground in a whole web of hyphae, called this?
Options:
A. bacterium
B. hypothalamus
C. mycelium
D. detritus | C |
Question: Most oxygen in blood is bound to a protein called what, and carried to the tissues?
Options:
A. platelete
B. hemoglobin
C. hydrogen
D. plasma | B |
Question: What do we call the only light that people can see?
Options:
A. wave light
B. natural light
C. visible light
D. spectral light | C |
Question: Carnivores are animals that eat other animals. the word carnivore is derived from latin and literally means this?
Options:
A. amount eater
B. thick eater
C. leaf eater
D. meat eater | D |
Question: What term describes the sequential appearance and disappearance of species in a community over time after a severe disturbance?
Options:
A. pattern
B. supression
C. succession
D. generational replacement | C |
Question: What can water's high surface tension be attributed t?
Options:
A. polar molecules sticking together
B. territorial molecules sticking together
C. molecules create a thin film-like substance
D. electric impulses in atoms | A |
Question: What supports life, and is also needed for the water cycle and weather?
Options:
A. atmosphere
B. fossil fuels
C. oxygen
D. greenhouse gas | A |
Question: The zoospores develop into haploid, multicellular male and female gametophytes, which produce?
Options:
A. spores
B. gametes
C. microorganisms
D. toxins | B |
Question: Reducing the number of molecules in a rigid container causes what to decrease?
Options:
A. pressure
B. energy
C. velocity
D. demand | A |
Question: What causes a lot of geological activity on the earth?
Options:
A. weather
B. plate tectonics
C. landslides
D. natural selection | B |
Question: The fuel that burns in a combustion reaction in many fossil fuels such as natural gas that consists of carbon hydrogen is known as what?
Options:
A. fossil
B. hydrocarbon
C. helium
D. catalyst | B |
Question: What describes a combination of two or more substances, each of which maintains its own chemical identity?
Options:
A. bond
B. solute
C. structure
D. mixture | D |
Question: Sodium-potassium pumps help nerve cells establish a voltage across their what?
Options:
A. sodium membranes
B. potassium membranes
C. plasma membranes
D. cell walls | C |
Question: Tin is oxidized at the anode, while silver ion is reduced at?
Options:
A. iodine
B. anodyne
C. cathode
D. gamma | C |
Question: Adding a solute does what to the boiling point of a pure solvent?
Options:
A. increases it
B. silences it
C. reduces it
D. no effect | A |
Question: Illnesses caused by bacteria in food are commonly known as what?
Options:
A. food poisoning
B. the flu
C. chemical poisoning
D. viral poisoning | A |
Question: Most bacteria may be placed into one of three groups based on their response to gaseous?
Options:
A. oxygen
B. carbon
C. nitrogen
D. potassium | A |
Question: More uv rays reach the ground due to a decrease in what layer in the stratosphere?
Options:
A. ozone
B. smog
C. troposphere
D. gases | A |
Question: Two species that share what cannot coexist in a community?
Options:
A. same niche
B. language
C. mood
D. color | A |
Question: In a wheel and axle, when force is applied either to the wheel or axle, what aspect of the force does not change?
Options:
A. pressure
B. shift
C. speed
D. direction | D |
Question: What can be used to determine the mass of a quantity of material?
Options:
A. atomic masses
B. molar masses
C. gravitational mass
D. inertial mass | B |
Question: The thick skin, found only on the palms of the hands and the soles of the feet, has an extra what?
Options:
A. Skin
B. outer
C. surface
D. layer | D |
Question: What effect does tamiflu have on viruses and cells?
Options:
A. enhances cells
B. reprograms viruses
C. destroys all viruses
D. inhibits spread of virus | D |
Question: What is the main ingredient of mothballs?
Options:
A. ionized naphthalene
B. stable naphthalene
C. processed naphthalene
D. hydrocarbon naphthalene | D |
Question: What is the column of hot rock that continuously brings hot rock up from the mantle toward the crust?
Options:
A. flue
B. hotspot
C. mantle plume
D. volcanic vent | C |
Question: What color light is actually the absence of electromagnetic waves in the visible spectrum, for humans?
Options:
A. infrared light
B. blue light
C. black light
D. ultraviolet light | C |
Question: What type of seeds come from plants that were traditionally grown in human populations, as opposed to the seeds used for large-scale agricultural production?
Options:
A. modified seeds
B. original seeds
C. heirloom seeds
D. old-fashioned seeds | C |
Question: What is the organic material that comes from plants and animals that were recently living called?
Options:
A. chlorophyll
B. contaminants
C. biomass
D. biofuels | C |
Question: What is the simplest form of matter that has a unique set of properties?
Options:
A. quark
B. element
C. atom
D. molecule | B |
Question: At least 20 percent of the world’s people do not have a ready supply of what?
Options:
A. food
B. clean drinking water
C. oil
D. clothing | B |
Question: What simple machine consists of two connected rings or cylinders, one inside the other, which both turn in the same direction around a single center point?
Options:
A. spoke
B. pully
C. wheel and axle
D. bloom and axle | C |
Question: Birds have air sacs that store inhaled air and push it into their what?
Options:
A. abdomens
B. beaks
C. bones
D. lungs | D |
Question: What is in the soil that causes mars to look red?
Options:
A. iron
B. sand
C. garnet
D. carbon | A |
Question: Convection generally involves the transfer of what type of energy?
Options:
A. radioactive
B. thermal
C. sunlight
D. magnetic | B |
Question: What is the term for a push or a pull on an object?
Options:
A. force
B. gravity
C. effort
D. action | A |
Question: What term is used to describe the process of removing wastes and excess water from the body?
Options:
A. digestion
B. excretion
C. aeration
D. diffusion | B |
Question: Which disease occurs when there is not enough hemoglobin in the blood?
Options:
A. anemia
B. Respiratory
C. Pulmonary
D. Diabetes | A |
Question: In what state of matter are particles rigidly fixed in space and held tightly to neighboring particles?
Options:
A. liquids
B. Gases
C. solids
D. energies | C |
Question: What is a network solid and consists of carbon atoms covalently bonded to one another in a repeating three-dimensional pattern?
Options:
A. a diamond
B. a zirconium
C. an agate
D. a ruby | A |
Question: Linnaeus developed binomial nomenclature, which means each organism is assigned what?
Options:
A. complex name
B. two-part name
C. single name
D. simple name | B |
Question: What do we call the mathematical field of study credited to french mathematician-philosopher rene descartes?
Options:
A. Euclidean geometry
B. calculus
C. algebra
D. cartesian geometry | D |
Question: Where do skeletal muscles usually attach?
Options:
A. to cartilage
B. end of bones
C. to the spine
D. to dendrites | B |
Question: What do the cells in the front of a volvox typically develop to help swim towards light?
Options:
A. sunspots
B. tumors
C. eyespots
D. vertebrates | C |
Question: What bodily system handles taking in oxygen, getting rid of carbon dioxide, aiding in speech production and sensing odors?
Options:
A. respiratory system
B. circulatory system
C. pulmonary system
D. nervous system | A |
Question: The atom often (but not always) turns into a different what during the decay process?
Options:
A. aspect
B. concept
C. element
D. reaction | C |
Question: Females are not influenced by the male sex hormone testosterone during embryonic development because they lack what?
Options:
A. m chromosome
B. z chromosome
C. x chromosome
D. y chromosome | D |
Question: Pressure relationships inspiration (or inhalation) and expiration (or exhalation) are dependent on the differences in pressure between the atmosphere and these?
Options:
A. bones
B. salts
C. lungs
D. enzymes | C |
Question: Female monotremes share what external opening with reptiles and birds?
Options:
A. cloaca
B. anus
C. vagina
D. urethra | A |
Question: Collisions between hydrogen atoms demonstrate one form of what?
Options:
A. nuclear radiation
B. nuclear fusion
C. destructive fusion
D. nuclear reaction | B |
Question: Fluid-filled thylakoids are the site of glucose production in the second stage of what process?
Options:
A. measurements
B. birth
C. glycolysis
D. photosynthesis | D |
Question: What are the basic units of structure and function in living organisms?
Options:
A. lipids
B. molecules
C. proteins
D. cells | D |
Question: What concept can be applied to biology, because the structure of an organism, or part of an organism, depends on its function?
Options:
A. form follows use
B. motion follows function
C. form follows function
D. attachment follows function | C |
Question: Is sweat an exocrine or endocrine substance?
Options:
A. exocrine
B. exocrine
C. neither
D. both | A |
Question: Nuclei with even numbers of protons, neutrons, or both are more likely to be this?
Options:
A. unstable
B. solid
C. ionic
D. stable | D |
Question: Some prokaryotes form spores for survival called what?
Options:
A. buds
B. endospores
C. rhizomes
D. gymnosperms | B |
Question: What is the liquid inside the central vacuole called?
Options:
A. cell sap
B. osmotic fluid
C. cytoplasm
D. chloroplasm | A |
Question: Cancer cells take up glucose for what reason?
Options:
A. heating
B. reproduction
C. food
D. energy | D |
Question: Birds and insects perform what function for flowering plants?
Options:
A. vegetation
B. irrigation
C. condensation
D. pollination | D |
Question: Most carcinogens produce mutations in genes that control what?
Options:
A. proteins cycle
B. digestive cycle
C. ubiquitous cycle
D. cell cycle | D |
Question: What type of equations allows calculation of the wavelength of any moving object?
Options:
A. disc wave
B. debroglie wave
C. fluctuations wave
D. develpoment wave | B |
Question: Each new horizontal row of the periodic table corresponds to the beginning of a new period because a new principal energy level is being filled with what?
Options:
A. photons
B. neutrons
C. electrons
D. protons | C |
Question: What kind of energy is specifically defined as the energy that is available to do work?
Options:
A. new
B. free
C. old
D. used | B |
Question: Only a small percent of earth's water is what type, as opposed to saltwater?
Options:
A. runoff
B. groundwater
C. fresh
D. rainwater | C |
Question: The kidneys work with the urinary system to remove what?
Options:
A. ions
B. water
C. wastes
D. nutrients | C |
Question: What is asexual reproduction in which an egg develops without being fertilized called?
Options:
A. parthenogenesis
B. budding
C. binary fission
D. metamorphosis | A |
Question: What does water vapor in the atmosphere cool and condense into?
Options:
A. clouds
B. rain
C. oceans
D. puddles | A |
Question: Carbon-14 dating is a method of what kind of dating?
Options:
A. stratigraphy
B. radiometric
C. orbital
D. metamorphic | B |
Question: Friendly bacteria live mostly in the large intestine and part of the small intestine, because what organ is too acidic?
Options:
A. stomach
B. rectum
C. skin
D. liver | A |
Question: The addition of heat changes liquid water to what?
Options:
A. ice
B. rainwater
C. distilled water
D. water vapor | D |
Question: What is the most widely accepted theory explaining how muscle fibers contract?
Options:
A. sliding pigment theoery
B. sliding tritium theory
C. sliding filament theory
D. sliding carbon theory | C |
Question: Power in electricity is the voltage multiplied by what?
Options:
A. the current
B. power
C. amperes
D. wattage | A |
Question: What are the vertical columns of similar chemical properties on the periodic table?
Options:
A. Family
B. Pods
C. zones
D. groups | D |
Question: What forms the changing shapes of sand dunes?
Options:
A. magnetism
B. temperature
C. humidity
D. wind | D |
Question: What is the process in which one cell divides to form two new cells called?
Options:
A. cell division
B. Cell Formation
C. cell direction
D. cell contribution | A |
Question: What reaction is considered the reverse of photosynthesis?
Options:
A. cellular transfer
B. cellular respiration
C. cellular digestion
D. cellular decay | B |
Question: What are composed of an oxygen atom that forms single bonds with two carbon atoms?
Options:
A. sugars
B. ethers
C. acids
D. solvents | B |
Question: Where do cells come from?
Options:
A. mutations
B. sexual reproduction
C. nuclear fission
D. preexisting cells | D |
Question: What are the female gametes that form in the ovaries?
Options:
A. sperm
B. genes
C. eggs
D. spermatozoa | C |
Question: What are plants in the diploid generation called?
Options:
A. sporophytes
B. keratinocytes
C. monocots
D. haplocytes | A |
Question: Through what do moving particles transfer thermal energy?
Options:
A. fluid
B. tissue
C. plasma
D. gas | A |
Question: What is the name for the water-splitting step of photosynthesis?
Options:
A. peristalsis
B. cellular respiration
C. photolysis
D. hydrolysis | C |
Question: The entropy change is positive as the solid state changes into which state?
Options:
A. chemical
B. gas
C. mixture
D. liquid | D |
Question: The process when heat is released is referred to as what?
Options:
A. insular
B. exothermic
C. endothermic
D. geothermal | B |
Question: What is a large space that helps the organism digest & move nutrients around the cnidarian body?
Options:
A. vacuole
B. abdominal wall
C. gastrovascular cavity
D. thorax | C |
Question: An infection of the brain is called?
Options:
A. tuberculosis
B. encephalitis
C. syphilis
D. influenza | B |
Question: The converging of continental plates can form what kind of geological feature?
Options:
A. mountains
B. plains
C. shores
D. streams | A |
Question: Mammals generally lack a cloaca and have a separate opening for the what?
Options:
A. digestive tract
B. physical tract
C. urinary tract
D. tissues tract | A |
Question: Chordates are defined by a set of four characteristics that are shared by these animals at some point during their?
Options:
A. death
B. birth
C. response
D. development | D |
Question: What is produced during the light reactions in photosynthesis?
Options:
A. waste
B. carbon
C. oxygen
D. nitrogen | C |
Question: Nerves of the hands, arms, feet, legs, and trunk are part of what system?
Options:
A. peripheral nervous system
B. circulatory system
C. cardiovascular system
D. urinary system | A |
Question: Generally, momentum implies a tendency to continue on course—to move in the same direction—and is associated with great mass and speed. momentum, like energy, is important because it is what?
Options:
A. endless
B. sequences
C. invisible
D. conserved | D |
Question: Which types of muscles cause bones to move when they retract?
Options:
A. bone muscles
B. skeletal muscles
C. active muscles
D. working muscles | B |
Question: Which is the final step of cell division?
Options:
A. Mitosis
B. genesys
C. electrolysis
D. cytokinesis | D |
Question: What are xylem and phloem responsible for transporting to the cells of leaves?
Options:
A. water and minerals
B. air and dirt
C. water and blood
D. light and gas | A |
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