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float64 | question
stringlengths 78
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|---|---|---|
null | Question: The term “vapor” refers to the gas phase when it exists at a temperature below what?
Options:
A. freezing temperature
B. contaminated temperature
C. liquid temperature
D. boiling temperature
Answer: | D |
null | Question: What do all sound waves begin with?
Options:
A. vibrating matter
B. talking matter
C. enclosing matter
D. oscillating matter
Answer: | A |
null | Question: Well suited to absorb water and dissolved minerals from the soil, thin-walled dermal cells and tiny hairs cover what basic plant structures?
Options:
A. stems
B. flowers
C. leaves
D. roots
Answer: | D |
null | Question: Covalent compounds form individual molecules rather than what?
Options:
A. chemicals
B. carbon
C. crystals
D. atoms
Answer: | C |
null | Question: Salt hydrolysis is a reaction in which one of the ions from a salt reacts with what?
Options:
A. water
B. air
C. proteins
D. fat
Answer: | A |
null | Question: In eukaryotic cells, what divides before the cell itself divides?
Options:
A. protons
B. cell wall
C. nucleus
D. electrons
Answer: | C |
null | Question: Which is the main organ of the respiratory system?
Options:
A. the lungs
B. the mouth
C. the stomach
D. the liver
Answer: | A |
null | Question: Individuals with what condition experience depigmentation that results in lighter colored patches of skin?
Options:
A. vitiligo
B. psoriasis
C. dementia
D. eczema
Answer: | A |
null | Question: As a diver descends, the increase in pressure causes the body’s air pockets in the ears and lungs to do what?
Options:
A. compress
B. blow up
C. expand
D. heat up
Answer: | A |
null | Question: Energy from sunlight enters many ecosystems through what process?
Options:
A. isolation
B. reproduction
C. multiplication
D. photosynthesis
Answer: | D |
null | Question: What is the tube-like device used to reliably measure lower levels of radiation?
Options:
A. MRI machine
B. geiger counter
C. Richter scale
D. weber counter
Answer: | B |
null | Question: What type pf mining is used to obtain mineral ores that are near the surface?
Options:
A. core mining
B. function mining
C. surface mining
D. multi-layered mining
Answer: | C |
null | Question: In a car race on a circular track, where the start and finish line are the same, what quantity is neglible?
Options:
A. total distance
B. total displacement
C. partial displacement
D. total acceleration
Answer: | B |
null | Question: How are the fetuses of eutherian mammals connected to their mothers during gestation?
Options:
A. altered placenta
B. visual placenta
C. complex placenta
D. Movement Placenta
Answer: | C |
null | Question: Around what percentage of the earth's surface water is contained in the ocean?
Options:
A. 99%
B. 97%
C. 92 %
D. 86 %
Answer: | B |
null | Question: What joins within each testis to form the epididymis?
Options:
A. seminiferous tubules
B. interstitial tubules
C. hypodermic tubules
D. viviparous tubules
Answer: | A |
null | Question: A desert is a type of what community in an ecosystem?
Options:
A. colony
B. culture
C. biome
D. population
Answer: | C |
null | Question: What can be used to convert the energy provided by the sun to usable electrical energy?
Options:
A. Pannels
B. Power Plants
C. solar cells
D. Wind Mills
Answer: | C |
null | Question: Osseous tissue - the connective tissue that includes specialized cells, mineral salts, and collagen fibers - makes up what?
Options:
A. muscles
B. ligaments
C. bone
D. spine
Answer: | C |
null | Question: Increasing or decreasing the temperature of a system in what state acts as a stress to the system?
Options:
A. equilibrium
B. nitrogen
C. gaseous
D. liquid
Answer: | A |
null | Question: What are the two components of the autonomic nervous system?
Options:
A. neurons and sympathetic
B. crystallisation and sympathetic
C. empathetic and sympathetic
D. parasympathetic and sympathetic
Answer: | D |
null | Question: Body movements help circulate the hemolymph by periodically squeezing what?
Options:
A. the lungs
B. the heart
C. muscles
D. the sinuses
Answer: | D |
null | Question: What kind of solids are generally classified by the forces that hold their particles together and include ionic, metallic, covalent network, and molecular types?
Options:
A. distinct solids
B. helium solids
C. flat solids
D. crystalline solids
Answer: | D |
null | Question: Release of spores in a suitable environment will lead to germination and a new generation of what?
Options:
A. gametophytes
B. seeds
C. assemblages
D. filaments
Answer: | A |
null | Question: What kinds of winds can be found in belts that span the entire circumference of the earth?
Options:
A. global winds
B. Local Winds
C. Trade winds
D. Periodic winds
Answer: | A |
null | Question: Parasitic fungi often cause illness and may eventually do what to their hosts?
Options:
A. mutate them
B. become them
C. reproduce with them
D. kill them
Answer: | D |
null | Question: What are prepared by the oxidation of secondary alcohols?
Options:
A. more alcohol
B. ions
C. protons
D. ketones
Answer: | D |
null | Question: Plants that live in the desert are called?
Options:
A. heatophiles
B. xerophytes
C. sporozoans
D. xerozoans
Answer: | B |
null | Question: Latitude affects the amount of which radiation a place receives?
Options:
A. solar
B. surface
C. molecular
D. thermal
Answer: | A |
null | Question: What is the range of all possible frequencies of radiation called?
Options:
A. Difused Spectrum
B. electromagnetic spectrum
C. particles spectrum
D. vibrations spectrum
Answer: | B |
null | Question: What make distant objects appear both nearer and larger?
Options:
A. mirrors
B. lasers
C. astrolabes
D. telescopes
Answer: | D |
null | Question: What are the little sacs at the end of the bronchioles called?
Options:
A. respiratory sacs
B. ganglion
C. alveoli
D. lung
Answer: | C |
null | Question: What is the general name for the homogeneous mixture that is formed when a solute dissolves in a solvent?
Options:
A. Combination
B. Reaction
C. solution
D. Dissolvant
Answer: | C |
null | Question: Where do sperm go after leaving the testicles and before entering the vas deferens?
Options:
A. skin
B. anus
C. clitoris
D. epididymis
Answer: | D |
null | Question: When a car is brought to a stop by friction on level ground, it loses what?
Options:
A. exhibit energy
B. residual energy
C. kinetic energy
D. mass energy
Answer: | C |
null | Question: What process changes a liquid to a gas without boiling?
Options:
A. evaporation
B. absorption
C. bubbling
D. melting
Answer: | A |
null | Question: Visible light can be split into colors with the use of a what?
Options:
A. kaleidoscope
B. spectrum
C. convex lenses
D. prism
Answer: | D |
null | Question: With wavelengths from 400-700 nm, what kind of light represents only a very small portion of the spectrum?
Options:
A. ultraviolet light
B. invisible light
C. visible light
D. sunlight
Answer: | C |
null | Question: Energy from the sun has a wide range of wavelengths.what is the total range of energy called?
Options:
A. light spectrum
B. thermal spectrum
C. heat spectrum
D. electromagnetic spectrum
Answer: | D |
null | Question: What term describes reproducing by external fertilization after the female sheds large numbers of small eggs?
Options:
A. oviparous
B. glaucous
C. homozygous
D. glandular
Answer: | A |
null | Question: What is a sugar that is found in fruits?
Options:
A. fructose
B. glucose
C. ethanol
D. sucrose
Answer: | A |
null | Question: A water molecule forms when oxygen (o) and _______ atoms react and are held together by covalent bonds?
Options:
A. carbon
B. steam
C. hydrogen (h)
D. nitrogen
Answer: | C |
null | Question: When matter reacts, there can be what that comes from nowhere and is unaccounted for?
Options:
A. mass
B. bonds
C. concentrations
D. combustions
Answer: | A |
null | Question: What is a push or a pull acting on an object?
Options:
A. force
B. action
C. energy
D. pulse
Answer: | A |
null | Question: Many plants respond to the days growing shorter in the fall by doing what?
Options:
A. growing faster
B. turning to liquid
C. going dormant
D. migrating
Answer: | C |
null | Question: What forms when a solute dissolves in a solvent?
Options:
A. chemical
B. gas
C. liquid
D. solution
Answer: | D |
null | Question: Where is the seafloor youngest?
Options:
A. deep currents
B. inland
C. sand bars
D. mid-ocean
Answer: | D |
null | Question: What do bees carry from one plant to another to facilitate plant growth and development?
Options:
A. spores
B. fungi
C. pollen
D. nutrients
Answer: | C |
null | Question: Restriction enzymes or restriction endonucleases are prokaryotic enzymes that recognize and cut what at specific sequences?
Options:
A. bacteria
B. mitochondria
C. rna
D. dna
Answer: | D |
null | Question: Animals that do not have internal control of their body temperature are called what?
Options:
A. cold-blooded
B. athermal
C. ectotherms
D. photophores
Answer: | C |
null | Question: What comprises the contents of a cell between the plasma membrane and the nuclear envelope?
Options:
A. cytoplasm
B. cytoskeleton
C. protoplasm
D. cerebellum
Answer: | A |
null | Question: Metal detectors used for airport security work on which principle?
Options:
A. inductance
B. conductivity
C. electricity
D. inertia
Answer: | A |
null | Question: Interconnected pathways through which carbon is recycled through the biotic and abiotic components of what?
Options:
A. atmosphere
B. biosphere
C. hemisphere
D. ozone
Answer: | B |
null | Question: All types of cells are enclosed by what?
Options:
A. membrane
B. substrate
C. cell wall
D. stoma
Answer: | A |
null | Question: Scientists goal is develop nuclear fusion power plants, where the energy from fusion of hydrogen nuclei can be converted to what?
Options:
A. wind
B. gasoline
C. oil
D. electricity
Answer: | D |
null | Question: Representing a leap in scientific understanding, einstein described what as a dent in the fabric of space and time?
Options:
A. energy
B. gravity
C. motion
D. light
Answer: | B |
null | Question: What is the force of gravity called?
Options:
A. pressure
B. mass
C. weight
D. scale
Answer: | C |
null | Question: Blood vessels blood pumped by the heart flows through a series of vessels known as arteries, arterioles, capillaries, venules, and veins before returning to this?
Options:
A. heart
B. lungs
C. feet
D. brain
Answer: | A |
null | Question: A diet rich in calcium and what vitamin may reduce the risk of osteoporosis and related bone fractures?
Options:
A. vitamin C
B. vitamin A
C. niacin
D. vitamin d
Answer: | D |
null | Question: What kind of energy is released when the thermochemical reaction of a campfire converts wood to carbon dioxide and water?
Options:
A. ultraviolet
B. heat
C. smoke
D. light
Answer: | B |
null | Question: The vagina starts at the vulva and ends where?
Options:
A. pelvic brim
B. the uterus
C. testicle
D. clitoris
Answer: | B |
null | Question: The age of a rock in years is its?
Options:
A. geological age
B. chemical age
C. absolute age
D. full age
Answer: | C |
null | Question: What is the most widely distributed organism around?
Options:
A. microbes
B. phages
C. cockroaches
D. viruses
Answer: | B |
null | Question: In neurons, what often involves gated sodium channels?
Options:
A. fermentation
B. polarization
C. depolarization
D. excitation
Answer: | C |
null | Question: What is one major cause of skin cancer?
Options:
A. sunscreen
B. infrared light
C. ultraviolet light
D. visible light
Answer: | C |
null | Question: The legend explains features and symbols on?
Options:
A. telescopes
B. compass
C. map
D. earth
Answer: | C |
null | Question: What is the tubular passageway through which the embryo or fetus leaves the mother’s body during birth?
Options:
A. vagina
B. penis
C. cervix
D. uterus
Answer: | A |
null | Question: In chemical reactions, what substances can act like metals or nonmetals, depending on their number of electrons?
Options:
A. diacritics
B. metalloids
C. synthetics
D. minerals
Answer: | B |
null | Question: What organism is at the top of the energy pyramid?
Options:
A. insects
B. carnivore
C. herbivore
D. primate
Answer: | B |
null | Question: Heat expansion is a result of the increase of what type of energy, exhibited by molecules bumping together?
Options:
A. harmonic energy
B. light energy
C. kinetic energy
D. radioactivity
Answer: | C |
null | Question: What is the force that causes centripetal acceleration?
Options:
A. centripetal force
B. pressure
C. gravity
D. Tension Force
Answer: | A |
null | Question: Water dissolving minerals out of rocks makes ocean water what?
Options:
A. salty
B. bitter
C. sweet
D. muddy
Answer: | A |
null | Question: Where do oceans absorb gases from?
Options:
A. sunlight
B. wind
C. atmosphere
D. stratosphere
Answer: | C |
null | Question: A solute generally does what to the freezing point of a solvent?
Options:
A. regulates it
B. increases it
C. raises it
D. lowers it
Answer: | D |
null | Question: White light is a mixture of all wavelengths of what?
Options:
A. gamma radiation
B. x-rays
C. infrared radiation
D. visible light
Answer: | D |
null | Question: What is the gland in the chest behind the breast bone that stores some types of lymphocytes while they mature?
Options:
A. thymus
B. Montgomery
C. lumbar
D. pineal
Answer: | A |
null | Question: Sugar and starch are examples of what type of nutrient?
Options:
A. proteins
B. carbohydrates
C. vitamins
D. fat
Answer: | B |
null | Question: Plants and fungi cells have what basic cell structure, which animals do not have?
Options:
A. Cell Membrane
B. cell wall
C. Lysosomes
D. Cytoskeleton
Answer: | B |
null | Question: Where do living things obtain the energy to carry out all life processes?
Options:
A. food
B. waste
C. fuel
D. oxygen
Answer: | A |
null | Question: What grows through blue cheese that gives it the distinctive appearance and flavor?
Options:
A. Roots
B. fungus
C. Bacteria
D. Viruses
Answer: | B |
null | Question: How often an allele occurs in a gene pool relative to the other alleles for that gene is known as _______
Options:
A. genomic frequency
B. allele succession
C. allele frequency
D. genetic rate
Answer: | C |
null | Question: What is the magnetic field traditionally referred to as?
Options:
A. m-field
B. charged field
C. bfield
D. spicule
Answer: | C |
null | Question: What may be lost when waves travel through matter, but not when they travel through space?
Options:
A. frequency
B. threshold
C. matter
D. energy
Answer: | D |
null | Question: What is the term for the decayed remains of living organisms?
Options:
A. intermediate material
B. humus
C. waste
D. necrosis
Answer: | B |
null | Question: Blood helps maintain homeostasis by stabilizing ph, temperature, osmotic pressure, and by eliminating this?
Options:
A. excess heat
B. water
C. acid
D. toxins
Answer: | A |
null | Question: What laboratory instrument is used to analyze and test for static charge?
Options:
A. electroscope
B. microtome
C. microscope
D. bunsen burner
Answer: | A |
null | Question: Where does oxygen enter the blood?
Options:
A. in the liver
B. in the veins
C. in the lungs
D. in the heart
Answer: | C |
null | Question: What is a small, spherical compartment separated by at least one lipid layer from the cytosol?
Options:
A. cortex
B. cuticle
C. capillary
D. vesicle
Answer: | D |
null | Question: What stage in human males lasts from about ages 12 to 18 years and is controlled by hormones?
Options:
A. childhood
B. adolescence
C. maturity
D. puberty
Answer: | D |
null | Question: What kind of viscosity is found in long-chain hydrocarbons?
Options:
A. intense viscosity
B. highly viscous
C. increased viscosity
D. low viscosity
Answer: | B |
null | Question: Pieces of the cell break off and form a new cell in what type of reproduction that produces genetically identical organisms?
Options:
A. fragmentation
B. Meiosis
C. Mitosis
D. Fusion
Answer: | A |
null | Question: What is formed when an acidic solution and a basic solution react together in a neutralization reaction?
Options:
A. salt
B. shallow
C. Sodium
D. seawater
Answer: | A |
null | Question: Essential minerals that the body needs in tiny quantities are called what?
Options:
A. byproduct minerals
B. flux minerals
C. trace minerals
D. draw minerals
Answer: | C |
null | Question: During which process does carbon dioxide exit the cells, enter the bloodstream, travel back to the lungs, and get expired out of the body?
Options:
A. inhalation
B. peroxidation
C. osmosis
D. exhalation
Answer: | D |
null | Question: What are the high points in a transverse wave called?
Options:
A. waves
B. peaks
C. crests
D. apex
Answer: | C |
null | Question: What is the last step in scientific investigation?
Options:
A. communication of results
B. data management
C. migration of results
D. document of results
Answer: | A |
null | Question: Most lipid hormones are derived from what?
Options:
A. protein
B. fat
C. cholesterol
D. tissue
Answer: | C |
null | Question: Which system of the body is responsible for bringing air into the body?
Options:
A. respiratory system
B. vascular system
C. digestive system
D. excretory system
Answer: | A |
null | Question: The scientific practice of classifying organisms is also known as what?
Options:
A. taxodermy
B. taxonomy
C. methodology
D. terminology
Answer: | B |
null | Question: What type of molecule is carbon dioxide (co2)?
Options:
A. planar
B. linear
C. filter
D. non-linear
Answer: | B |
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