prompt stringlengths 51 646 | completion stringclasses 8 values | source stringclasses 3 values |
|---|---|---|
A boiler converts the chemical energy stored in fuel into what type of energy?
A. atmospheric energy
B. Thermometric Energy
C. thermal energy
D. ultraviolet energy
Answer: | C | sciq |
What are the ice crystals that form on the ground called?
A. snow
B. sleet
C. granules
D. frost
Answer: | D | sciq |
What is the largest organelle in a eukaryotic cell?
A. mitochondria
B. ribosome
C. nucleus
D. vacuole
Answer: | C | sciq |
What does the kinetic-molecular theory describe the behavior of?
A. a solid
B. a compound
C. a liquid
D. an ideal gas
Answer: | D | sciq |
What kind of hormones are released into the environment for communication between animals of the same species?
A. reactions
B. hormones
C. pheromones
D. peptides
Answer: | C | sciq |
What organ contributes about 60% of the volume of semen ?
A. cilia
B. complete vesicles
C. long vesicles
D. seminal vesicles
Answer: | D | sciq |
Eukaryotic cells contain what type of structures that possess special functions?
A. organelles
B. cell membranes
C. fibers
D. chloroplasts
Answer: | A | sciq |
What is the common name for the midpoint between high and low tide?
A. sea level
B. clouds level
C. middle level
D. floods level
Answer: | A | sciq |
What is formed when humid air near the ground cools below its dew point?
A. smoke
B. fog
C. weather
D. steam
Answer: | B | sciq |
When are peptide bonds between amino acids formed?
A. process of transcription
B. process of migration
C. process of production
D. process of translation
Answer: | D | sciq |
Within the petals are two whorls of fertile floral organs that produce what?
A. fibers
B. toxins
C. spores
D. leaves
Answer: | C | sciq |
Increasing or decreasing the temperature of a system in what state acts as a stress to the system?
A. equilibrium
B. gaseous
C. liquid
D. nitrogen
Answer: | A | sciq |
The scientific name of an organism consists of its genus and what else?
A. specimens
B. samples
C. species
D. mammals
Answer: | C | sciq |
What type of organism was the only able to live in the anoxic atmosphere of the first 2 billion years?
A. protists
B. mammals
C. aerobic
D. anaerobic
Answer: | D | sciq |
Scientists utilize what natural process to teach cranes born in captivity to migrate along safe routes?
A. expediting
B. imprinting
C. neuroimaging
D. natural selection
Answer: | B | sciq |
What are mass, volume, and length an example of?
A. extensive compounds
B. fantastic properties
C. extensive properties
D. dynamic properties
Answer: | C | sciq |
Chelicerata are know for their first pair of appendages, also know as what?
A. chelicides
B. maxillae
C. ambers
D. chelicerae
Answer: | D | sciq |
What kind of reproduction generates new individuals without fusion of an egg and sperm?
A. propagation
B. asexual
C. gametes
D. sexual
Answer: | B | sciq |
The properties of liquids are intermediate between those of gases and solids but are more similar to?
A. oils
B. plasma
C. solids
D. gases
Answer: | C | sciq |
What does blood pickup from the lungs to be carried throughout the rest of the body?
A. white blood cells
B. oxygen
C. carbon
D. platelets
Answer: | B | sciq |
The earliest types of what lacked flowers, leaves, roots and stems?
A. clouds
B. houses
C. plants
D. animals
Answer: | C | sciq |
The nervous system is made up of these?
A. neurons
B. fibers
C. blood cells
D. muscles
Answer: | A | sciq |
What are regular changes in biology or behavior that occur in a 24 hour cycle?
A. circadian rhythm
B. cognitive rhythm
C. life cycle
D. auditory rhythm
Answer: | A | sciq |
Did darwin believe in punctuated equilibrium or gradualism?
A. punctuated equilibrium
B. it depended
C. neither
D. gradualism
Answer: | D | sciq |
What is the term for a solution that resists dramatic changes in ph?
A. buffer
B. stable
C. neutral
D. inert
Answer: | A | sciq |
Wood consists of mainly what kind of walls?
A. chaotic
B. primary
C. aquatic
D. secondary
Answer: | D | sciq |
Viruses lack metabolic enzymes and equipment for making what?
A. dna
B. acids
C. cells
D. proteins
Answer: | D | sciq |
What are non-steroid hormones made of?
A. fats
B. Molecules
C. amino acids
D. proteins
Answer: | C | sciq |
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?
A. energy
B. convection
C. blood
D. radiation
Answer: | D | sciq |
The process of microscope mountains and valleys on the surface of a material interacting with another material is called?
A. friction
B. vibration
C. motion
D. tension
Answer: | A | sciq |
What do you call any device that makes work easier by changing a force?
A. invention
B. battery
C. machine
D. technology
Answer: | C | sciq |
In what organ is food remains turned into solid waste for excretion?
A. large tissue
B. non-transverse intenstine
C. large metabolism
D. large intestine
Answer: | D | sciq |
What is the type of cancer where bone marrow produces abnormal white blood cells?
A. anemia
B. leukemia
C. kidney
D. liver
Answer: | B | sciq |
What cells are typically characterized by the polarized distribution of organelles and membrane-bound proteins between their basal and apical surfaces?
A. nerve cells
B. epithelial cells
C. connective tissue
D. mast cells
Answer: | B | sciq |
Condensation, melting, deposition, sublimation, vaporization, and freezing are all considered changes in what?
A. speed
B. altitude
C. density
D. state
Answer: | D | sciq |
Myopia and hyperopia are defects that can be corrected with devices?
A. casts
B. fins
C. lenses
D. crutches
Answer: | C | sciq |
What do you call the part of the skeletal system that connects bones?
A. fibers
B. tissue
C. joints
D. muscles
Answer: | C | sciq |
What type of molecules sit within a membrane and contain an aqueous channel that spans the membrane’s hydrophobic region?
A. osmotic fluid
B. microorganisms
C. channel
D. mole
Answer: | C | sciq |
What state of matter has a definite volume, but takes the shape of the container?
A. plasma
B. solid
C. gas
D. liquid
Answer: | D | sciq |
Where does the earth gets its energy from?
A. precipitation
B. heat
C. decomposers
D. sun
Answer: | D | sciq |
In chemical reactions, what substances can act like metals or nonmetals, depending on their number of electrons?
A. synthetics
B. metalloids
C. minerals
D. diacritics
Answer: | B | sciq |
In the lungs, air is diverted into smaller and smaller passages called what?
A. alveoli
B. ion channels
C. bronchi
D. ectoderm
Answer: | C | sciq |
How did a vascular let plants grow?
A. they could grow taller
B. they could bear fruit
C. they could reproduce
D. they could conduct photosynthesis
Answer: | A | sciq |
When a soluble compound dissolves, its constituent atoms, molecules, or ions disperse throughout what?
A. solvent
B. liquid
C. pigment
D. gel
Answer: | A | sciq |
Many viral diseases can be prevented by giving people what?
A. pesticides
B. cancers
C. Lactose
D. vaccines
Answer: | D | sciq |
What purpose does the appendix serve in humans today?
A. digests food
B. work
C. filters blood
D. none
Answer: | D | sciq |
What is the bulb called in the frontal lobe that processes smells?
A. olfactory bulb
B. auditory bulb
C. peripheral bulb
D. sensory bulb
Answer: | A | sciq |
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?
A. horizon
B. sun
C. moon
D. stars
Answer: | B | sciq |
Gravitational force on a large scale dominates interactions between large objects because it is always what?
A. attractive
B. vulnerable
C. ugly
D. suitable
Answer: | A | sciq |
What two microorganisms have different membrane lipids?
A. microsporidia and bacteria
B. algae and bacteria
C. archaea and bacteria
D. mesozoic and bacteria
Answer: | C | sciq |
Sharing a phylum with insects, spiders, daddy-long-legs, scorpions, and ticks belong to what class?
A. mammals
B. arachnids
C. annelids
D. reptiles
Answer: | B | sciq |
What describes the amount of solute in a solution?
A. viscosity
B. tonicity
C. frequency
D. solubility
Answer: | B | sciq |
What is the layer above the mesophere called?
A. stratosphere
B. troposphere
C. thermosphere
D. exosphere
Answer: | A | sciq |
The fundamental unit of time, the second, is based on what type of clock?
A. quantum clock
B. atomic clock
C. gravity clock
D. eternal clock
Answer: | B | sciq |
In a carbon triple bond, how many pairs of electrons are shared?
A. one
B. four
C. two
D. three
Answer: | D | sciq |
What is the reproductive part of the plant?
A. the flower
B. the leaf
C. the stem
D. the core
Answer: | A | sciq |
The attraction of an atom for the electrons of a covalent bond is its what?
A. brightness
B. hardness
C. electronegativity
D. weight
Answer: | C | sciq |
What substance do the leaves of plants take in from the environment?
A. oxygen
B. acid rain
C. hydrogen
D. carbon dioxide
Answer: | D | sciq |
Controlled variables are kept what to prevent them from influencing the effects of the independent variable on the dependent variable?
A. fleeting
B. constant
C. mechanical
D. temporary
Answer: | B | sciq |
What branch of biology uses fossils to study life’s history?
A. gerontology
B. paleontology
C. morphology
D. entomology
Answer: | B | sciq |
What occurs after gametes fuse and form a diploid zygote?
A. electrolysis
B. transcription
C. reproduction
D. meiosis
Answer: | D | sciq |
What is a trait whose allele is found on a sex chromosome called?
A. dimorphism - linked trait
B. genomic trait
C. gender trait
D. sex-linked trait
Answer: | D | sciq |
What is required when electrons are removed from an atom, and released from the process when an electron is added?
A. energy
B. fuel
C. proton
D. nuclear
Answer: | A | sciq |
What do you call the angle of the earth's axis of rotation?
A. horizontal tilt
B. axial tilt
C. vertical tilt
D. dynamic tilt
Answer: | B | sciq |
What kind of structure do purines have?
A. double ring structure
B. triple ring structure
C. single ring structure
D. helical stucture
Answer: | A | sciq |
Photoautotrophs use what energy source to self-manufacture their own food?
A. chlorophyll
B. water
C. air
D. light
Answer: | D | sciq |
What is the process of getting oxygen into the body & releasing carbon dioxide called?
A. respiration
B. precipitation
C. perspiration
D. photosynthesis
Answer: | A | sciq |
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?
A. grasses
B. native plants
C. weeds
D. shrubs
Answer: | C | sciq |
Unlike ammonia, oxygen cannot be liquefied at room temperature because its what is below room temperature?
A. critical temperature
B. leading temperature
C. relaxed temperature
D. particular temperature
Answer: | A | sciq |
What occurs at joints?
A. body movements
B. digestion
C. nothing
D. respiration
Answer: | A | sciq |
What is the term for a symbiotic relationship in which the parasite benefits while the host is harmed?
A. parasitism
B. infection
C. reciprocity
D. pathology
Answer: | A | sciq |
Alpha particles, beta particles, and gamma particles are major types of what?
A. microscopy
B. visible light
C. radioactivity
D. sound waves
Answer: | C | sciq |
What do obligate aerobes need to live?
A. dioxide
B. blood
C. acid
D. oxygen
Answer: | D | sciq |
What is the standard measurement for mass?
A. grams
B. BMI
C. calories
D. volume
Answer: | A | sciq |
What do you call the state in which a plant slows down cellular activities and may shed its leaves?
A. recession
B. hibernation
C. dormancy
D. germination
Answer: | C | sciq |
Is the rate of population growth increasing or decreasing?
A. increasing
B. preventing
C. Vanishing.
D. suggesting
Answer: | A | sciq |
What does the human protein cytokine help fight?
A. mutations
B. infections
C. toxins
D. parasites
Answer: | B | sciq |
What is the goal of science?
A. improve knowledge
B. increase knowledge
C. improve life expectancy
D. gain scholarships
Answer: | B | sciq |
What is the temperature where molecular motion stops?
A. mean zero
B. absolute zero
C. Absolute Freezing
D. Final Zero
Answer: | B | sciq |
Early blastomeres can form what if isolated?
A. tumors
B. a complete embryo
C. cancer
D. lesions
Answer: | B | sciq |
What component of an organism, made up of many cells, in turn makes up an organ?
A. muscles
B. epidermis
C. molecules
D. tissues
Answer: | D | sciq |
What form do alkali metals take at room temperature?
A. compound
B. liquid
C. solid
D. gas
Answer: | C | sciq |
What is the cutting and burning trees to clear land for farming called?
A. reduce-and-ignite agriculture
B. slash-and-burn agriculture
C. cut-and-smoke farming
D. drop-and-blaze agriculture
Answer: | B | sciq |
What is the name of the scientist who named neutrinos?
A. Einstein
B. Gibbs
C. Schrodinger
D. enrico fermi
Answer: | D | sciq |
What creates a new seafloor at the mid-ocean ridge?
A. glaciers
B. earthquake
C. hurricane
D. magma
Answer: | D | sciq |
What are hydrocarbons that contain only single bonds between carbon atoms called?
A. caloric hydrocarbons
B. carcinogenic hydrocarbons
C. unsaturated hydrocarbons
D. saturated hydrocarbons
Answer: | D | sciq |
The presence of what makes soil hold together more tightly and enables it to hold more water?
A. glass
B. salt
C. clay
D. sand
Answer: | C | sciq |
What kind of anatomical structure consists of several types of tissues that together carry out particular functions?
A. frame
B. organ
C. valve
D. system
Answer: | B | sciq |
How many pathways do plants have for carbon fixation?
A. five
B. two
C. eleven
D. three
Answer: | D | sciq |
What is used to measure electric current?
A. chronometer
B. galvanometer
C. atomizer
D. anemometer
Answer: | B | sciq |
What connects the fetus to the placenta?
A. eustachian tube
B. fallopian tube
C. microbial cord
D. umbilical cord
Answer: | D | sciq |
When your body digests food, it breaks down the molecules of nutrients and releases what?
A. energy
B. waste materials
C. calories
D. gas
Answer: | A | sciq |
The first period of the paleozoic era was called what?
A. ordovician
B. permian
C. carboniferous
D. cambrian
Answer: | D | sciq |
What is a molecule with two fatty acids and a modified phosphate group attached to a glycerol backbone?
A. phospholipid
B. carbohydrate
C. polymer
D. amino acid
Answer: | A | sciq |
Some women experience cramping and pain before and during what monthly cycle?
A. menstruation
B. inflammation
C. reproduction
D. deformation
Answer: | A | sciq |
What is the attraction of oppositely charged ions caused by electron transfer called?
A. ionic bond
B. solvent bond
C. covalent bond
D. velocity bond
Answer: | A | sciq |
What process converts the sun's hydrogen nuclei into helium?
A. nuclear fusion
B. nuclear fission
C. solar fission
D. combustion
Answer: | A | sciq |
Both solids and liquids hold a definite what?
A. mass
B. size
C. volume
D. shape
Answer: | C | sciq |
Because the fields that make up an electromagnetic wave are at right angles to each other and to the direction that the wave travels, an electromagnetic wave is considered what?
A. insverse wave
B. stimulation wave
C. transverse wave
D. transverse wave
Answer: | C | sciq |
Which measure indicates the number of electrons in a given sublevel?
A. superscripts
B. subscripts
C. coefficients
D. mole
Answer: | A | sciq |
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