question stringlengths 68 502 | answer stringclasses 4
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Question: What do we call water that has been used for cleaning, washing, flushing, or manufacturing?
Options:
A. sewage
B. groundwater
C. Grey water
D. wastewater | D |
Question: What is the name for an area that is covered in water, or at least has soggy soil, during all or part of the year?
Options:
A. coastal zone
B. a crater
C. a stream
D. a wetland | D |
Question: Regulation of the reproductive system is a process that requires the action of hormones from which gland?
Options:
A. pituitary gland
B. adrenal gland
C. salivary gland
D. thyroid gland | A |
Question: What occurs when organisms acquire and pass on new traits from one generation to the next generation?
Options:
A. evolution
B. birth
C. phenomenon
D. variation | A |
Question: What process provides more than 99% of energy?
Options:
A. glycolysis
B. photosynthesis
C. cellular respiration
D. nuclear fusion | B |
Question: What tissue blocks entry of pathogens in mammals?
Options:
A. dendritic
B. pathological
C. esophageal
D. epithelial | D |
Question: What in the axils of leaves and stems give rise to branches?
Options:
A. nodules
B. axillary buds
C. meristems
D. chloroplasts | B |
Question: The existence of what tiny, fundamental particles of matter was first proposed in the 1960s?
Options:
A. neutrons
B. quarks
C. molecules
D. atoms | B |
Question: Animals that defend their area are generally known as what kinds of animals?
Options:
A. territorial
B. neutral
C. carnivores
D. mutants | A |
Question: A boiler converts the chemical energy stored in fuel into what type of energy?
Options:
A. Thermometric Energy
B. atmospheric energy
C. thermal energy
D. ultraviolet energy | C |
Question: What are the ice crystals that form on the ground called?
Options:
A. granules
B. snow
C. sleet
D. frost | D |
Question: What is the largest organelle in a eukaryotic cell?
Options:
A. ribosome
B. vacuole
C. mitochondria
D. nucleus | D |
Question: What does the kinetic-molecular theory describe the behavior of?
Options:
A. a compound
B. a solid
C. an ideal gas
D. a liquid | C |
Question: What kind of hormones are released into the environment for communication between animals of the same species?
Options:
A. pheromones
B. hormones
C. peptides
D. reactions | A |
Question: What organ contributes about 60% of the volume of semen ?
Options:
A. seminal vesicles
B. cilia
C. long vesicles
D. complete vesicles | A |
Question: Eukaryotic cells contain what type of structures that possess special functions?
Options:
A. cell membranes
B. chloroplasts
C. fibers
D. organelles | D |
Question: What is the common name for the midpoint between high and low tide?
Options:
A. floods level
B. middle level
C. sea level
D. clouds level | C |
Question: What is formed when humid air near the ground cools below its dew point?
Options:
A. fog
B. weather
C. steam
D. smoke | A |
Question: When are peptide bonds between amino acids formed?
Options:
A. process of translation
B. process of migration
C. process of production
D. process of transcription | A |
Question: Within the petals are two whorls of fertile floral organs that produce what?
Options:
A. toxins
B. leaves
C. fibers
D. spores | D |
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 | A |
Question: The scientific name of an organism consists of its genus and what else?
Options:
A. specimens
B. species
C. mammals
D. samples | B |
Question: What type of organism was the only able to live in the anoxic atmosphere of the first 2 billion years?
Options:
A. aerobic
B. mammals
C. protists
D. anaerobic | D |
Question: Scientists utilize what natural process to teach cranes born in captivity to migrate along safe routes?
Options:
A. expediting
B. imprinting
C. natural selection
D. neuroimaging | B |
Question: What are mass, volume, and length an example of?
Options:
A. extensive compounds
B. extensive properties
C. dynamic properties
D. fantastic properties | B |
Question: Chelicerata are know for their first pair of appendages, also know as what?
Options:
A. ambers
B. chelicerae
C. chelicides
D. maxillae | B |
Question: What kind of reproduction generates new individuals without fusion of an egg and sperm?
Options:
A. asexual
B. gametes
C. sexual
D. propagation | A |
Question: The properties of liquids are intermediate between those of gases and solids but are more similar to?
Options:
A. gases
B. oils
C. solids
D. plasma | C |
Question: What does blood pickup from the lungs to be carried throughout the rest of the body?
Options:
A. platelets
B. white blood cells
C. oxygen
D. carbon | C |
Question: The earliest types of what lacked flowers, leaves, roots and stems?
Options:
A. clouds
B. houses
C. plants
D. animals | C |
Question: The nervous system is made up of these?
Options:
A. muscles
B. blood cells
C. neurons
D. fibers | C |
Question: What are regular changes in biology or behavior that occur in a 24 hour cycle?
Options:
A. life cycle
B. auditory rhythm
C. cognitive rhythm
D. circadian rhythm | D |
Question: Did darwin believe in punctuated equilibrium or gradualism?
Options:
A. gradualism
B. neither
C. punctuated equilibrium
D. it depended | A |
Question: What is the term for a solution that resists dramatic changes in ph?
Options:
A. neutral
B. buffer
C. inert
D. stable | B |
Question: Wood consists of mainly what kind of walls?
Options:
A. chaotic
B. primary
C. secondary
D. aquatic | C |
Question: Viruses lack metabolic enzymes and equipment for making what?
Options:
A. proteins
B. acids
C. cells
D. dna | A |
Question: What are non-steroid hormones made of?
Options:
A. fats
B. Molecules
C. proteins
D. amino acids | D |
Question: The german physicist max planck (1858–1947) used the idea that atoms and molecules in a body act like oscillators to absorb and emit this?
Options:
A. convection
B. radiation
C. blood
D. energy | B |
Question: The process of microscope mountains and valleys on the surface of a material interacting with another material is called?
Options:
A. friction
B. vibration
C. motion
D. tension | A |
Question: What do you call any device that makes work easier by changing a force?
Options:
A. battery
B. technology
C. invention
D. machine | D |
Question: In what organ is food remains turned into solid waste for excretion?
Options:
A. large intestine
B. large tissue
C. large metabolism
D. non-transverse intenstine | A |
Question: What is the type of cancer where bone marrow produces abnormal white blood cells?
Options:
A. liver
B. leukemia
C. kidney
D. anemia | B |
Question: What cells are typically characterized by the polarized distribution of organelles and membrane-bound proteins between their basal and apical surfaces?
Options:
A. epithelial cells
B. mast cells
C. connective tissue
D. nerve cells | A |
Question: Condensation, melting, deposition, sublimation, vaporization, and freezing are all considered changes in what?
Options:
A. altitude
B. density
C. state
D. speed | C |
Question: Myopia and hyperopia are defects that can be corrected with devices?
Options:
A. lenses
B. casts
C. fins
D. crutches | A |
Question: What do you call the part of the skeletal system that connects bones?
Options:
A. fibers
B. joints
C. tissue
D. muscles | B |
Question: What type of molecules sit within a membrane and contain an aqueous channel that spans the membrane’s hydrophobic region?
Options:
A. osmotic fluid
B. channel
C. mole
D. microorganisms | B |
Question: What state of matter has a definite volume, but takes the shape of the container?
Options:
A. solid
B. gas
C. liquid
D. plasma | C |
Question: Where does the earth gets its energy from?
Options:
A. precipitation
B. decomposers
C. heat
D. sun | D |
Question: In chemical reactions, what substances can act like metals or nonmetals, depending on their number of electrons?
Options:
A. metalloids
B. diacritics
C. synthetics
D. minerals | A |
Question: In the lungs, air is diverted into smaller and smaller passages called what?
Options:
A. alveoli
B. ion channels
C. bronchi
D. ectoderm | C |
Question: How did a vascular let plants grow?
Options:
A. they could grow taller
B. they could reproduce
C. they could conduct photosynthesis
D. they could bear fruit | A |
Question: When a soluble compound dissolves, its constituent atoms, molecules, or ions disperse throughout what?
Options:
A. liquid
B. pigment
C. gel
D. solvent | D |
Question: Many viral diseases can be prevented by giving people what?
Options:
A. pesticides
B. cancers
C. Lactose
D. vaccines | D |
Question: What purpose does the appendix serve in humans today?
Options:
A. filters blood
B. work
C. digests food
D. none | D |
Question: What is the bulb called in the frontal lobe that processes smells?
Options:
A. auditory bulb
B. sensory bulb
C. peripheral bulb
D. olfactory bulb | D |
Question: According to early accounts, newton was inspired to make the connection between falling bodies and astronomical motions when he saw an apple fall from a tree and realized that if the gravitational force could extend above the ground to a tree, it might also reach this?
Options:
A. moon
B. sun
C. stars
D. hori... | B |
Question: Gravitational force on a large scale dominates interactions between large objects because it is always what?
Options:
A. ugly
B. suitable
C. attractive
D. vulnerable | C |
Question: What two microorganisms have different membrane lipids?
Options:
A. microsporidia and bacteria
B. mesozoic and bacteria
C. algae and bacteria
D. archaea and bacteria | D |
Question: Sharing a phylum with insects, spiders, daddy-long-legs, scorpions, and ticks belong to what class?
Options:
A. reptiles
B. annelids
C. mammals
D. arachnids | D |
Question: What describes the amount of solute in a solution?
Options:
A. viscosity
B. tonicity
C. solubility
D. frequency | B |
Question: What is the layer above the mesophere called?
Options:
A. thermosphere
B. troposphere
C. stratosphere
D. exosphere | C |
Question: The fundamental unit of time, the second, is based on what type of clock?
Options:
A. eternal clock
B. gravity clock
C. atomic clock
D. quantum clock | C |
Question: In a carbon triple bond, how many pairs of electrons are shared?
Options:
A. two
B. three
C. one
D. four | B |
Question: What is the reproductive part of the plant?
Options:
A. the leaf
B. the core
C. the flower
D. the stem | C |
Question: The attraction of an atom for the electrons of a covalent bond is its what?
Options:
A. brightness
B. hardness
C. electronegativity
D. weight | C |
Question: What substance do the leaves of plants take in from the environment?
Options:
A. hydrogen
B. acid rain
C. carbon dioxide
D. oxygen | C |
Question: Controlled variables are kept what to prevent them from influencing the effects of the independent variable on the dependent variable?
Options:
A. mechanical
B. temporary
C. fleeting
D. constant | D |
Question: What branch of biology uses fossils to study life’s history?
Options:
A. morphology
B. entomology
C. paleontology
D. gerontology | C |
Question: What occurs after gametes fuse and form a diploid zygote?
Options:
A. meiosis
B. reproduction
C. electrolysis
D. transcription | A |
Question: What is a trait whose allele is found on a sex chromosome called?
Options:
A. sex-linked trait
B. genomic trait
C. dimorphism - linked trait
D. gender trait | A |
Question: What is required when electrons are removed from an atom, and released from the process when an electron is added?
Options:
A. energy
B. proton
C. nuclear
D. fuel | A |
Question: What do you call the angle of the earth's axis of rotation?
Options:
A. dynamic tilt
B. horizontal tilt
C. axial tilt
D. vertical tilt | C |
Question: What kind of structure do purines have?
Options:
A. double ring structure
B. single ring structure
C. helical stucture
D. triple ring structure | A |
Question: Photoautotrophs use what energy source to self-manufacture their own food?
Options:
A. water
B. chlorophyll
C. air
D. light | D |
Question: What is the process of getting oxygen into the body & releasing carbon dioxide called?
Options:
A. photosynthesis
B. perspiration
C. respiration
D. precipitation | C |
Question: What are plants that grow where people don't want them to and can take up space and use resources which hinders growth of more desirable plants?
Options:
A. native plants
B. grasses
C. weeds
D. shrubs | C |
Question: Unlike ammonia, oxygen cannot be liquefied at room temperature because its what is below room temperature?
Options:
A. particular temperature
B. critical temperature
C. relaxed temperature
D. leading temperature | B |
Question: What occurs at joints?
Options:
A. nothing
B. respiration
C. digestion
D. body movements | D |
Question: What is the term for a symbiotic relationship in which the parasite benefits while the host is harmed?
Options:
A. parasitism
B. infection
C. pathology
D. reciprocity | A |
Question: Alpha particles, beta particles, and gamma particles are major types of what?
Options:
A. visible light
B. microscopy
C. sound waves
D. radioactivity | D |
Question: What do obligate aerobes need to live?
Options:
A. oxygen
B. blood
C. acid
D. dioxide | A |
Question: What is the standard measurement for mass?
Options:
A. calories
B. grams
C. volume
D. BMI | B |
Question: What do you call the state in which a plant slows down cellular activities and may shed its leaves?
Options:
A. recession
B. hibernation
C. germination
D. dormancy | D |
Question: Is the rate of population growth increasing or decreasing?
Options:
A. preventing
B. increasing
C. suggesting
D. Vanishing. | B |
Question: What does the human protein cytokine help fight?
Options:
A. mutations
B. infections
C. parasites
D. toxins | B |
Question: What is the goal of science?
Options:
A. gain scholarships
B. improve life expectancy
C. increase knowledge
D. improve knowledge | C |
Question: What is the temperature where molecular motion stops?
Options:
A. Absolute Freezing
B. absolute zero
C. Final Zero
D. mean zero | B |
Question: Early blastomeres can form what if isolated?
Options:
A. a complete embryo
B. tumors
C. lesions
D. cancer | A |
Question: What component of an organism, made up of many cells, in turn makes up an organ?
Options:
A. tissues
B. muscles
C. epidermis
D. molecules | A |
Question: What form do alkali metals take at room temperature?
Options:
A. gas
B. liquid
C. solid
D. compound | C |
Question: What is the cutting and burning trees to clear land for farming called?
Options:
A. reduce-and-ignite agriculture
B. slash-and-burn agriculture
C. cut-and-smoke farming
D. drop-and-blaze agriculture | B |
Question: What is the name of the scientist who named neutrinos?
Options:
A. enrico fermi
B. Einstein
C. Gibbs
D. Schrodinger | A |
Question: What creates a new seafloor at the mid-ocean ridge?
Options:
A. glaciers
B. earthquake
C. magma
D. hurricane | C |
Question: What are hydrocarbons that contain only single bonds between carbon atoms called?
Options:
A. saturated hydrocarbons
B. caloric hydrocarbons
C. unsaturated hydrocarbons
D. carcinogenic hydrocarbons | A |
Question: The presence of what makes soil hold together more tightly and enables it to hold more water?
Options:
A. clay
B. salt
C. glass
D. sand | A |
Question: What kind of anatomical structure consists of several types of tissues that together carry out particular functions?
Options:
A. system
B. frame
C. valve
D. organ | D |
Question: How many pathways do plants have for carbon fixation?
Options:
A. five
B. eleven
C. three
D. two | C |
Question: What is used to measure electric current?
Options:
A. galvanometer
B. atomizer
C. anemometer
D. chronometer | A |
Question: What connects the fetus to the placenta?
Options:
A. umbilical cord
B. microbial cord
C. eustachian tube
D. fallopian tube | A |
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