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stringlengths 78
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|---|---|---|
null | Question: What phylum has the highest number of species on earth?
Options:
A. lophotrochozoa
B. lichens
C. cephalopods
D. arthropods
Answer: | D |
null | Question: Plasmodesmata passes through what part of plants?
Options:
A. cell ridges
B. nucleus
C. cell walls
D. cytoplasm
Answer: | C |
null | Question: What can be identified as an element, a compound, or a mixture?
Options:
A. waves
B. energy
C. light
D. matter
Answer: | D |
null | Question: What will spores that eventually germinate develop into?
Options:
A. yeast cells
B. new hyphae
C. gametes
D. hydra
Answer: | B |
null | Question: Some living things on the ocean floor are sources of what human necessity?
Options:
A. hormones
B. medicines
C. steroids
D. pesticides
Answer: | B |
null | Question: What play an important role in the modulation of the nuclear chain reaction?
Options:
A. control neutrons
B. control rods
C. radiation rods
D. particle rods
Answer: | B |
null | Question: In a magnet, what are the regions called that are the strongest?
Options:
A. poles
B. positives
C. plates
D. negatives
Answer: | A |
null | Question: What are solutions that maintain a relatively constant ph when an acid or a base is added?
Options:
A. buffer
B. water
C. liquids
D. gases
Answer: | A |
null | Question: Which is the only organ system in humans that differs greatly between males and females?
Options:
A. digestive system
B. neural system
C. reproductive system
D. immune system
Answer: | C |
null | Question: What hormone controls milk production in mammary glands?
Options:
A. pepsin
B. dopamine
C. prolactin
D. melanin
Answer: | C |
null | Question: Internal resistance, or (electrical) resistance in general, involves the resistance of the flow of what?
Options:
A. water
B. protons
C. force
D. current
Answer: | D |
null | Question: What substances affect the brain and influence how a person feels, thinks, or acts?
Options:
A. amphetamines
B. psychoactive drugs or drugs
C. primeval drugs or drugs
D. H2 blockers
Answer: | B |
null | Question: In headwater streams, what plant process is mostly attributed to algae that are growing on rocks?
Options:
A. reproduction
B. mitosis
C. photosynthesis
D. symbiosis
Answer: | C |
null | Question: What is defined as superheated gas with a positive electrical charge?
Options:
A. plasma
B. greenhouse gas
C. supernova
D. ion
Answer: | A |
null | Question: The length of the route between two points is known as what?
Options:
A. shape
B. velocity
C. distance
D. direction
Answer: | C |
null | Question: The vivid colors of flowers are an adaptation designed to encourage what by animals such as insects and birds?
Options:
A. consumption
B. pollination
C. flowering
D. eating
Answer: | B |
null | Question: What type of cell does the sperm cell fertilize?
Options:
A. fat
B. protein
C. egg
D. bacteria
Answer: | C |
null | Question: What natural process allows water to return again to the earth’s surface?
Options:
A. erosion
B. precipitation
C. wind
D. currents
Answer: | B |
null | Question: What is the outer layer of cells in a root called?
Options:
A. muscles
B. epidermis
C. skeletal
D. igneous
Answer: | B |
null | Question: What are atoms called when they have the same number of negative electrons as positive protons in an electrical charge?
Options:
A. negative
B. static
C. positive
D. neutral
Answer: | D |
null | Question: What is the second largest class of elements?
Options:
A. carbonates
B. metalloids
C. nonmetals
D. silicates
Answer: | C |
null | Question: What term is used to describe the amount of space occupied by a sample of matter?
Options:
A. volume
B. growth
C. mass
D. liquid
Answer: | A |
null | Question: What is cholera?
Options:
A. glucose
B. protein
C. bacteria
D. energy
Answer: | C |
null | Question: The atomic number defines the identity of what?
Options:
A. neutralized molecule
B. periodic table
C. element
D. atomic reaction
Answer: | C |
null | Question: What device uses an electromagnet to change electrical energy to kinetic energy?
Options:
A. public motor
B. Magnetic motor.
C. melodic motor
D. electric motor
Answer: | D |
null | Question: At the anode, liquid chloride ions are oxidized to what?
Options:
A. elemental gas
B. nitrogen gas
C. Heavy Gas
D. chlorine gas
Answer: | D |
null | Question: Geiger counters can be used to detect what, in general?
Options:
A. radiation
B. seismic load
C. convection
D. evaporation
Answer: | A |
null | Question: How many mass extinctions have occurred throughout earth's history?
Options:
A. six
B. five
C. four
D. three
Answer: | B |
null | Question: As the anterior end of the neural tube starts to develop into the brain, it undergoes a couple of enlargements; the result is the production of these?
Options:
A. sac-like vesicles
B. tributaries - like vesicles
C. square-like vesicles
D. cyclinder-like vesicles
Answer: | A |
null | Question: Catabolic and anabolic hormones in the body help regulate these?
Options:
A. hormone levels
B. nutrient levels
C. metabolic processes
D. brain signals
Answer: | C |
null | Question: Surface tension and viscosity are generally associated with what form or state of matter?
Options:
A. liquids
B. gases
C. solids
D. electrons
Answer: | A |
null | Question: What collect data on the land and sea in regards to the weather?
Options:
A. turbine stations
B. wind stations
C. weather stations
D. thermal stations
Answer: | C |
null | Question: What is the storage form of glucose in humans and other vertebrates?
Options:
A. fructose
B. glycogen
C. neurons
D. placenta
Answer: | B |
null | Question: Atoms of a given _______ are identical in size, mass, and other properties.
Options:
A. element
B. organism
C. molecule
D. function
Answer: | A |
null | Question: Pluto’s orbit is in the kuiper?
Options:
A. field
B. area
C. zone
D. belt
Answer: | D |
null | Question: What do plants use to make food for themselves and most other organisms?
Options:
A. light
B. electricity
C. heat
D. gravity
Answer: | A |
null | Question: E. coli uses how many enzymes to take up and metabolize lactose?
Options:
A. 2
B. 11
C. 3
D. 4
Answer: | C |
null | Question: When what common element forms single bonds with other atoms, the shape is tetrahedral, and when its atoms form a double bond, the shape is planar?
Options:
A. carbon
B. oxygen
C. hydrogen
D. silicon
Answer: | A |
null | Question: Centrioles are a very important part of what?
Options:
A. tubercles
B. centricles
C. centrosomes
D. enterocytes
Answer: | C |
null | Question: In science, what do you call something that always applies under the same conditions?
Options:
A. hypothesis
B. theory
C. scientific law
D. scientific method
Answer: | C |
null | Question: Elements involved in nuclear reactions are what?
Options:
A. detectable
B. inert
C. radioactive
D. static
Answer: | C |
null | Question: What term describes a type of redox reaction in which the same substance is both oxidized and reduced?
Options:
A. disapprobation
B. interposition
C. disproportion
D. misappropriation
Answer: | C |
null | Question: The distribution of thermal speeds depends strongly on temperature. as temperature increases, the speeds are shifted to higher values and the distribution is what?
Options:
A. broadened
B. improved
C. removed
D. decreased
Answer: | A |
null | Question: The force exerted by a diving board is conservative, provided the internal friction is this?
Options:
A. significant
B. intrinsic
C. static
D. negligible
Answer: | D |
null | Question: Like other amphibians, frogs generally lay their eggs in moist environments, which are required since the eggs lack what feature?
Options:
A. shells
B. nucleus
C. membrane
D. tubes
Answer: | A |
null | Question: What occurs when an unstable nucleus emits an alpha particle and energy?
Options:
A. alpha decay
B. radar decay
C. nucleus decay
D. alpha radition
Answer: | A |
null | Question: During what period on earth was coal formed?
Options:
A. Neoproterozoic
B. Mesozoic
C. Neoproterozoic era
D. the carboniferous period
Answer: | D |
null | Question: In which type of reaction are compounds formed?
Options:
A. gaseous reaction
B. balanced reaction
C. chemical reaction
D. acid reaction
Answer: | C |
null | Question: Images in what type of mirror are reversed left and right but not reversed top and bottom?
Options:
A. concave
B. plane mirror
C. convex
D. virtual
Answer: | B |
null | Question: Developing cars that run on hydrogen gas can help solve our dependence on what?
Options:
A. water
B. food
C. oxygen
D. nonrenewable fossil fuels
Answer: | D |
null | Question: An electron in an atom is completely described by four of what?
Options:
A. decay numbers
B. quantum numbers
C. prime bumbers
D. photosynthesis numbers
Answer: | B |
null | Question: In an acidic medium, add which ions to balance?
Options:
A. calcium
B. hydrogen
C. helium
D. magnesium
Answer: | B |
null | Question: What is it called when waves interact with other waves?
Options:
A. combination interference
B. wave interference
C. wave impact
D. wave collision
Answer: | B |
null | Question: What is the term for the small particles that rocks are worn down to by water and wind?
Options:
A. fragments
B. sediments
C. organisms
D. pebbles
Answer: | B |
null | Question: What term describes how close estimates are to one another?
Options:
A. precise
B. precision
C. efficiency
D. Distant
Answer: | B |
null | Question: Root-like projections anchor adults of what colony-dwelling animals to solid surfaces such as rocks and reefs?
Options:
A. sponges
B. anemones
C. corals
D. molluscs
Answer: | A |
null | Question: Tremetol, a metabolic poison found in the white snake root plant, prevents the metabolism of what?
Options:
A. lactate
B. sugars
C. lipids
D. sodium
Answer: | A |
null | Question: What are chromosomes in the same pair called?
Options:
A. homologous chromosomes
B. homogeneous chromosomes
C. reversible chromosomes
D. regulated chromosomes
Answer: | A |
null | Question: What simple machine consists of a bar that rotates around a fixed point called the fulcrum?
Options:
A. rotor
B. lever
C. battering ram
D. catapult
Answer: | B |
null | Question: An object undergoing circular motion experiences centripetal what?
Options:
A. vibration
B. acceleration
C. velocity
D. transmission
Answer: | B |
null | Question: The major salivary enzyme is called?
Options:
A. sucrase
B. amylase
C. mucosa
D. synthase
Answer: | B |
null | Question: Researchers have also used insect courtship to explore genetic variation underlying differences in what?
Options:
A. behavior
B. function
C. reproduction
D. instance
Answer: | A |
null | Question: During the condensation reaction of sugars what is removed, linking the two sugars?
Options:
A. hormones
B. chlorophyll
C. water
D. air
Answer: | C |
null | Question: Earthworms are important deposit feeders that help form and enrich what material?
Options:
A. wood
B. coal
C. soil
D. shale
Answer: | C |
null | Question: What is the process in which the genetic code in mrna is read to make a protein called?
Options:
A. expression
B. translation
C. modification
D. splicing
Answer: | B |
null | Question: Integral proteins penetrate the hydrophobic interior of the what?
Options:
A. metabolism bilayer
B. skin bilayer
C. carbon bilayer
D. lipid bilayer
Answer: | D |
null | Question: In vertebrates, a system of what structures attached to the endoskeleton enables movement?
Options:
A. muscles
B. nerves
C. tendons
D. tissues
Answer: | A |
null | Question: What is utilized to analyze simple mendelian inheritance?
Options:
A. origins
B. trait
C. pedigree
D. dna
Answer: | C |
null | Question: What is used to measure current through a resistor?
Options:
A. thermometers
B. ammeters
C. microscopes
D. spectrographs
Answer: | B |
null | Question: What type of diseases occur when the immune system attacks normal body cells?
Options:
A. gastrointestinal
B. liver
C. inflammatory
D. autoimmune
Answer: | D |
null | Question: What do you call the symbiotic relationship where a parasite benefits while the host is harmed?
Options:
A. invasion
B. hostism
C. symbolic damage
D. parasitism
Answer: | D |
null | Question: What bodily defense can be acquired in an active or passive way, and can be natural or artificial?
Options:
A. immunity
B. nerves
C. membrane
D. skin
Answer: | A |
null | Question: Molecules that are in continuous motion, travelling in straight lines and changing comprise what state of matter?
Options:
A. liquids
B. gases
C. plasma
D. solids
Answer: | B |
null | Question: Which system in your body stores urine and is controlled by the nervous system?
Options:
A. muscular system
B. digestive system
C. cardiovascular system
D. urinary system
Answer: | D |
null | Question: Which fuels provide most of the world’s energy?
Options:
A. pattern fuels
B. artificial fuels
C. fossil fuels
D. coal fuels
Answer: | C |
null | Question: Antacids are bases that neutralize what in the digestive tract?
Options:
A. hormones
B. fats
C. salts
D. acids
Answer: | D |
null | Question: Are bones considered living or dead tissues?
Options:
A. living
B. decomposing
C. dead
D. decaying
Answer: | A |
null | Question: Which gases trap heat in the atmosphere?
Options:
A. methane and helium
B. ozone
C. fluorine and nitrogen
D. greenhouse
Answer: | D |
null | Question: An alloy is a mixture of metals that has bulk metallic properties different from those of its what?
Options:
A. mineral elements
B. constituent elements
C. nuclear elements
D. system elements
Answer: | B |
null | Question: When sparks from a steel grinder react with oxygen, what do they form?
Options:
A. iron oxide
B. steel oxide
C. rust
D. spontaneous combustion
Answer: | A |
null | Question: Bronchial tubes in the lungs branch into ever-smaller structures, finally ending in alveoli. the alveoli act like what?
Options:
A. filters
B. tiny bubbles
C. springs
D. bellows
Answer: | B |
null | Question: In which phase do the chromosomes duplicate?
Options:
A. mitosis
B. metaphase
C. interphase
D. prophase
Answer: | C |
null | Question: How do planets usually rotate to their orbital planes?
Options:
A. nearly perpendicular
B. exactly perpendicular
C. chaotic
D. randomly
Answer: | A |
null | Question: What type of mammals are characterized by detailed development of the hands and feet, a shortened snout, and a large brain?
Options:
A. primates
B. amphibians
C. apes
D. mammles
Answer: | A |
null | Question: In which state of matter are particles completely separate from one another?
Options:
A. liquid state
B. phosphorus state
C. gaseous state
D. solid state
Answer: | C |
null | Question: The vector sum of all the torques acting on an object is called what?
Options:
A. net torque
B. torque load
C. peak capacity
D. homeostasis
Answer: | A |
null | Question: What particles ancient greeks propose that matter consists of ?
Options:
A. ether
B. atoms
C. ions
D. molecules
Answer: | B |
null | Question: What is an animal that picks up pollen on its body and carries it to another flower called?
Options:
A. rodent
B. lizard
C. fungi
D. pollinator
Answer: | D |
null | Question: Sutures, gomphoses, and syndesmoses are types of what, which are found where adjacent bones are strongly united by connective tissue?
Options:
A. fibrous joints
B. ligaments
C. metallic joints
D. cartilage
Answer: | A |
null | Question: What does hair get its color from?
Options:
A. melanin pigments
B. elasticity pigments
C. fluorescent pigments
D. stimulating pigments
Answer: | A |
null | Question: The last two stages of aerobic respiration require what?
Options:
A. water
B. carbon
C. sulfur
D. oxygen
Answer: | D |
null | Question: In what country can some of the largest natural crystals be found?
Options:
A. spain
B. canada
C. mexico
D. germany
Answer: | C |
null | Question: A magnet can exert force on objects without touching them, as long as they are within what?
Options:
A. audio field
B. magnetic field
C. molecular field
D. gravitational field
Answer: | B |
null | Question: What catalyst substances may also allow reactions to occur by different pathways that have lower activation energy?
Options:
A. carbohydrates
B. enzymes
C. calories
D. hormones
Answer: | B |
null | Question: Fungi, such as black bread mold (rhizopus nigricans), have haploid-dominant what?
Options:
A. gene pools
B. life cycles
C. mutations
D. birth cycles
Answer: | B |
null | Question: The entropy change is positive as the solid state changes into which state?
Options:
A. liquid
B. chemical
C. mixture
D. gas
Answer: | A |
null | Question: The magnitude of the wave function at a particular point in space is proportional to what property of the wave at that point?
Options:
A. amplitude
B. Sounding
C. voltage
D. frequency
Answer: | A |
null | Question: The sternocleidomastoid is the major muscle that laterally flexes and rotates what?
Options:
A. head
B. eye
C. knee
D. tongue
Answer: | A |
null | Question: What current-carrying long coil of wire acts as a magnet?
Options:
A. solenoid
B. igniter
C. converter
D. antenna
Answer: | A |
null | Question: Although vitamins and minerals do not provide what, they are still essential for good health?
Options:
A. flavor
B. energy
C. enzymes
D. antioxidants
Answer: | B |
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